Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Scsi Host Layer for MPT (Message Passing Technology) based controllers |
| 3 | * |
| 4 | * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c |
Sreekanth Reddy | a4ffce0 | 2014-09-12 15:35:29 +0530 | [diff] [blame] | 5 | * Copyright (C) 2012-2014 LSI Corporation |
Sreekanth Reddy | a03bd15 | 2015-01-12 11:39:02 +0530 | [diff] [blame] | 6 | * Copyright (C) 2013-2014 Avago Technologies |
| 7 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation; either version 2 |
| 12 | * of the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * NO WARRANTY |
| 20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| 21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| 22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| 23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| 24 | * solely responsible for determining the appropriateness of using and |
| 25 | * distributing the Program and assumes all risks associated with its |
| 26 | * exercise of rights under this Agreement, including but not limited to |
| 27 | * the risks and costs of program errors, damage to or loss of data, |
| 28 | * programs or equipment, and unavailability or interruption of operations. |
| 29 | |
| 30 | * DISCLAIMER OF LIABILITY |
| 31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| 32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| 34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| 37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| 38 | |
| 39 | * You should have received a copy of the GNU General Public License |
| 40 | * along with this program; if not, write to the Free Software |
| 41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 42 | * USA. |
| 43 | */ |
| 44 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 45 | #include <linux/module.h> |
| 46 | #include <linux/kernel.h> |
| 47 | #include <linux/init.h> |
| 48 | #include <linux/errno.h> |
| 49 | #include <linux/blkdev.h> |
| 50 | #include <linux/sched.h> |
| 51 | #include <linux/workqueue.h> |
| 52 | #include <linux/delay.h> |
| 53 | #include <linux/pci.h> |
| 54 | #include <linux/interrupt.h> |
| 55 | #include <linux/aer.h> |
| 56 | #include <linux/raid_class.h> |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 57 | #include <asm/unaligned.h> |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 58 | |
| 59 | #include "mpt3sas_base.h" |
| 60 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 61 | #define RAID_CHANNEL 1 |
| 62 | /* forward proto's */ |
| 63 | static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, |
| 64 | struct _sas_node *sas_expander); |
| 65 | static void _firmware_event_work(struct work_struct *work); |
| 66 | |
| 67 | static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, |
| 68 | struct _sas_device *sas_device); |
| 69 | static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| 70 | u8 retry_count, u8 is_pd); |
| 71 | |
| 72 | static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid); |
| 73 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 74 | /* global parameters */ |
| 75 | LIST_HEAD(mpt3sas_ioc_list); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 76 | /* global ioc lock for list operations */ |
| 77 | DEFINE_SPINLOCK(gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 78 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 79 | MODULE_AUTHOR(MPT3SAS_AUTHOR); |
| 80 | MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION); |
| 81 | MODULE_LICENSE("GPL"); |
| 82 | MODULE_VERSION(MPT3SAS_DRIVER_VERSION); |
| 83 | MODULE_ALIAS("mpt2sas"); |
| 84 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 85 | /* local parameters */ |
| 86 | static u8 scsi_io_cb_idx = -1; |
| 87 | static u8 tm_cb_idx = -1; |
| 88 | static u8 ctl_cb_idx = -1; |
| 89 | static u8 base_cb_idx = -1; |
| 90 | static u8 port_enable_cb_idx = -1; |
| 91 | static u8 transport_cb_idx = -1; |
| 92 | static u8 scsih_cb_idx = -1; |
| 93 | static u8 config_cb_idx = -1; |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 94 | static int mpt2_ids; |
| 95 | static int mpt3_ids; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 96 | |
| 97 | static u8 tm_tr_cb_idx = -1 ; |
| 98 | static u8 tm_tr_volume_cb_idx = -1 ; |
| 99 | static u8 tm_sas_control_cb_idx = -1; |
| 100 | |
| 101 | /* command line options */ |
| 102 | static u32 logging_level; |
| 103 | MODULE_PARM_DESC(logging_level, |
| 104 | " bits for enabling additional logging info (default=0)"); |
| 105 | |
| 106 | |
| 107 | static ushort max_sectors = 0xFFFF; |
| 108 | module_param(max_sectors, ushort, 0); |
| 109 | MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); |
| 110 | |
| 111 | |
| 112 | static int missing_delay[2] = {-1, -1}; |
| 113 | module_param_array(missing_delay, int, NULL, 0); |
| 114 | MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); |
| 115 | |
| 116 | /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ |
| 117 | #define MPT3SAS_MAX_LUN (16895) |
Hannes Reinecke | 1abf635 | 2014-06-25 15:27:38 +0200 | [diff] [blame] | 118 | static u64 max_lun = MPT3SAS_MAX_LUN; |
| 119 | module_param(max_lun, ullong, 0); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 120 | MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); |
| 121 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 122 | static ushort hbas_to_enumerate; |
| 123 | module_param(hbas_to_enumerate, ushort, 0); |
| 124 | MODULE_PARM_DESC(hbas_to_enumerate, |
| 125 | " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \ |
| 126 | 1 - enumerates only SAS 2.0 generation HBAs\n \ |
| 127 | 2 - enumerates only SAS 3.0 generation HBAs (default=0)"); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 128 | |
| 129 | /* diag_buffer_enable is bitwise |
| 130 | * bit 0 set = TRACE |
| 131 | * bit 1 set = SNAPSHOT |
| 132 | * bit 2 set = EXTENDED |
| 133 | * |
| 134 | * Either bit can be set, or both |
| 135 | */ |
| 136 | static int diag_buffer_enable = -1; |
| 137 | module_param(diag_buffer_enable, int, 0); |
| 138 | MODULE_PARM_DESC(diag_buffer_enable, |
| 139 | " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); |
| 140 | static int disable_discovery = -1; |
| 141 | module_param(disable_discovery, int, 0); |
| 142 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); |
| 143 | |
| 144 | |
| 145 | /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ |
| 146 | static int prot_mask = -1; |
| 147 | module_param(prot_mask, int, 0); |
| 148 | MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); |
| 149 | |
| 150 | |
| 151 | /* raid transport support */ |
Sreekanth Reddy | 7497392a | 2015-11-11 17:30:19 +0530 | [diff] [blame] | 152 | struct raid_template *mpt3sas_raid_template; |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 153 | struct raid_template *mpt2sas_raid_template; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 154 | |
| 155 | |
| 156 | /** |
| 157 | * struct sense_info - common structure for obtaining sense keys |
| 158 | * @skey: sense key |
| 159 | * @asc: additional sense code |
| 160 | * @ascq: additional sense code qualifier |
| 161 | */ |
| 162 | struct sense_info { |
| 163 | u8 skey; |
| 164 | u8 asc; |
| 165 | u8 ascq; |
| 166 | }; |
| 167 | |
| 168 | #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB) |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 169 | #define MPT3SAS_TURN_ON_PFA_LED (0xFFFC) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 170 | #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD) |
| 171 | #define MPT3SAS_ABRT_TASK_SET (0xFFFE) |
| 172 | #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF) |
| 173 | /** |
| 174 | * struct fw_event_work - firmware event struct |
| 175 | * @list: link list framework |
| 176 | * @work: work object (ioc->fault_reset_work_q) |
| 177 | * @cancel_pending_work: flag set during reset handling |
| 178 | * @ioc: per adapter object |
| 179 | * @device_handle: device handle |
| 180 | * @VF_ID: virtual function id |
| 181 | * @VP_ID: virtual port id |
| 182 | * @ignore: flag meaning this event has been marked to ignore |
| 183 | * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h |
| 184 | * @event_data: reply event data payload follows |
| 185 | * |
| 186 | * This object stored on ioc->fw_event_list. |
| 187 | */ |
| 188 | struct fw_event_work { |
| 189 | struct list_head list; |
| 190 | struct work_struct work; |
| 191 | u8 cancel_pending_work; |
| 192 | struct delayed_work delayed_work; |
| 193 | |
| 194 | struct MPT3SAS_ADAPTER *ioc; |
| 195 | u16 device_handle; |
| 196 | u8 VF_ID; |
| 197 | u8 VP_ID; |
| 198 | u8 ignore; |
| 199 | u16 event; |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 200 | struct kref refcount; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 201 | char event_data[0] __aligned(4); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 202 | }; |
| 203 | |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 204 | static void fw_event_work_free(struct kref *r) |
| 205 | { |
| 206 | kfree(container_of(r, struct fw_event_work, refcount)); |
| 207 | } |
| 208 | |
| 209 | static void fw_event_work_get(struct fw_event_work *fw_work) |
| 210 | { |
| 211 | kref_get(&fw_work->refcount); |
| 212 | } |
| 213 | |
| 214 | static void fw_event_work_put(struct fw_event_work *fw_work) |
| 215 | { |
| 216 | kref_put(&fw_work->refcount, fw_event_work_free); |
| 217 | } |
| 218 | |
| 219 | static struct fw_event_work *alloc_fw_event_work(int len) |
| 220 | { |
| 221 | struct fw_event_work *fw_event; |
| 222 | |
| 223 | fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC); |
| 224 | if (!fw_event) |
| 225 | return NULL; |
| 226 | |
| 227 | kref_init(&fw_event->refcount); |
| 228 | return fw_event; |
| 229 | } |
| 230 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 231 | /** |
| 232 | * struct _scsi_io_transfer - scsi io transfer |
| 233 | * @handle: sas device handle (assigned by firmware) |
| 234 | * @is_raid: flag set for hidden raid components |
| 235 | * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE, |
| 236 | * @data_length: data transfer length |
| 237 | * @data_dma: dma pointer to data |
| 238 | * @sense: sense data |
| 239 | * @lun: lun number |
| 240 | * @cdb_length: cdb length |
| 241 | * @cdb: cdb contents |
| 242 | * @timeout: timeout for this command |
| 243 | * @VF_ID: virtual function id |
| 244 | * @VP_ID: virtual port id |
| 245 | * @valid_reply: flag set for reply message |
| 246 | * @sense_length: sense length |
| 247 | * @ioc_status: ioc status |
| 248 | * @scsi_state: scsi state |
| 249 | * @scsi_status: scsi staus |
| 250 | * @log_info: log information |
| 251 | * @transfer_length: data length transfer when there is a reply message |
| 252 | * |
| 253 | * Used for sending internal scsi commands to devices within this module. |
| 254 | * Refer to _scsi_send_scsi_io(). |
| 255 | */ |
| 256 | struct _scsi_io_transfer { |
| 257 | u16 handle; |
| 258 | u8 is_raid; |
| 259 | enum dma_data_direction dir; |
| 260 | u32 data_length; |
| 261 | dma_addr_t data_dma; |
| 262 | u8 sense[SCSI_SENSE_BUFFERSIZE]; |
| 263 | u32 lun; |
| 264 | u8 cdb_length; |
| 265 | u8 cdb[32]; |
| 266 | u8 timeout; |
| 267 | u8 VF_ID; |
| 268 | u8 VP_ID; |
| 269 | u8 valid_reply; |
| 270 | /* the following bits are only valid when 'valid_reply = 1' */ |
| 271 | u32 sense_length; |
| 272 | u16 ioc_status; |
| 273 | u8 scsi_state; |
| 274 | u8 scsi_status; |
| 275 | u32 log_info; |
| 276 | u32 transfer_length; |
| 277 | }; |
| 278 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 279 | /** |
| 280 | * _scsih_set_debug_level - global setting of ioc->logging_level. |
| 281 | * |
| 282 | * Note: The logging levels are defined in mpt3sas_debug.h. |
| 283 | */ |
| 284 | static int |
| 285 | _scsih_set_debug_level(const char *val, struct kernel_param *kp) |
| 286 | { |
| 287 | int ret = param_set_int(val, kp); |
| 288 | struct MPT3SAS_ADAPTER *ioc; |
| 289 | |
| 290 | if (ret) |
| 291 | return ret; |
| 292 | |
| 293 | pr_info("setting logging_level(0x%08x)\n", logging_level); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 294 | spin_lock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 295 | list_for_each_entry(ioc, &mpt3sas_ioc_list, list) |
| 296 | ioc->logging_level = logging_level; |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 297 | spin_unlock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 298 | return 0; |
| 299 | } |
| 300 | module_param_call(logging_level, _scsih_set_debug_level, param_get_int, |
| 301 | &logging_level, 0644); |
| 302 | |
| 303 | /** |
| 304 | * _scsih_srch_boot_sas_address - search based on sas_address |
| 305 | * @sas_address: sas address |
| 306 | * @boot_device: boot device object from bios page 2 |
| 307 | * |
| 308 | * Returns 1 when there's a match, 0 means no match. |
| 309 | */ |
| 310 | static inline int |
| 311 | _scsih_srch_boot_sas_address(u64 sas_address, |
| 312 | Mpi2BootDeviceSasWwid_t *boot_device) |
| 313 | { |
| 314 | return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0; |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * _scsih_srch_boot_device_name - search based on device name |
| 319 | * @device_name: device name specified in INDENTIFY fram |
| 320 | * @boot_device: boot device object from bios page 2 |
| 321 | * |
| 322 | * Returns 1 when there's a match, 0 means no match. |
| 323 | */ |
| 324 | static inline int |
| 325 | _scsih_srch_boot_device_name(u64 device_name, |
| 326 | Mpi2BootDeviceDeviceName_t *boot_device) |
| 327 | { |
| 328 | return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0; |
| 329 | } |
| 330 | |
| 331 | /** |
| 332 | * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot |
| 333 | * @enclosure_logical_id: enclosure logical id |
| 334 | * @slot_number: slot number |
| 335 | * @boot_device: boot device object from bios page 2 |
| 336 | * |
| 337 | * Returns 1 when there's a match, 0 means no match. |
| 338 | */ |
| 339 | static inline int |
| 340 | _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number, |
| 341 | Mpi2BootDeviceEnclosureSlot_t *boot_device) |
| 342 | { |
| 343 | return (enclosure_logical_id == le64_to_cpu(boot_device-> |
| 344 | EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device-> |
| 345 | SlotNumber)) ? 1 : 0; |
| 346 | } |
| 347 | |
| 348 | /** |
| 349 | * _scsih_is_boot_device - search for matching boot device. |
| 350 | * @sas_address: sas address |
| 351 | * @device_name: device name specified in INDENTIFY fram |
| 352 | * @enclosure_logical_id: enclosure logical id |
| 353 | * @slot_number: slot number |
| 354 | * @form: specifies boot device form |
| 355 | * @boot_device: boot device object from bios page 2 |
| 356 | * |
| 357 | * Returns 1 when there's a match, 0 means no match. |
| 358 | */ |
| 359 | static int |
| 360 | _scsih_is_boot_device(u64 sas_address, u64 device_name, |
| 361 | u64 enclosure_logical_id, u16 slot, u8 form, |
| 362 | Mpi2BiosPage2BootDevice_t *boot_device) |
| 363 | { |
| 364 | int rc = 0; |
| 365 | |
| 366 | switch (form) { |
| 367 | case MPI2_BIOSPAGE2_FORM_SAS_WWID: |
| 368 | if (!sas_address) |
| 369 | break; |
| 370 | rc = _scsih_srch_boot_sas_address( |
| 371 | sas_address, &boot_device->SasWwid); |
| 372 | break; |
| 373 | case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT: |
| 374 | if (!enclosure_logical_id) |
| 375 | break; |
| 376 | rc = _scsih_srch_boot_encl_slot( |
| 377 | enclosure_logical_id, |
| 378 | slot, &boot_device->EnclosureSlot); |
| 379 | break; |
| 380 | case MPI2_BIOSPAGE2_FORM_DEVICE_NAME: |
| 381 | if (!device_name) |
| 382 | break; |
| 383 | rc = _scsih_srch_boot_device_name( |
| 384 | device_name, &boot_device->DeviceName); |
| 385 | break; |
| 386 | case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED: |
| 387 | break; |
| 388 | } |
| 389 | |
| 390 | return rc; |
| 391 | } |
| 392 | |
| 393 | /** |
| 394 | * _scsih_get_sas_address - set the sas_address for given device handle |
| 395 | * @handle: device handle |
| 396 | * @sas_address: sas address |
| 397 | * |
| 398 | * Returns 0 success, non-zero when failure |
| 399 | */ |
| 400 | static int |
| 401 | _scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| 402 | u64 *sas_address) |
| 403 | { |
| 404 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 405 | Mpi2ConfigReply_t mpi_reply; |
| 406 | u32 ioc_status; |
| 407 | |
| 408 | *sas_address = 0; |
| 409 | |
| 410 | if (handle <= ioc->sas_hba.num_phys) { |
| 411 | *sas_address = ioc->sas_hba.sas_address; |
| 412 | return 0; |
| 413 | } |
| 414 | |
| 415 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 416 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| 417 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, |
| 418 | __FILE__, __LINE__, __func__); |
| 419 | return -ENXIO; |
| 420 | } |
| 421 | |
| 422 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| 423 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { |
| 424 | *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| 425 | return 0; |
| 426 | } |
| 427 | |
| 428 | /* we hit this becuase the given parent handle doesn't exist */ |
| 429 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| 430 | return -ENXIO; |
| 431 | |
| 432 | /* else error case */ |
| 433 | pr_err(MPT3SAS_FMT |
| 434 | "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n", |
| 435 | ioc->name, handle, ioc_status, |
| 436 | __FILE__, __LINE__, __func__); |
| 437 | return -EIO; |
| 438 | } |
| 439 | |
| 440 | /** |
| 441 | * _scsih_determine_boot_device - determine boot device. |
| 442 | * @ioc: per adapter object |
| 443 | * @device: either sas_device or raid_device object |
| 444 | * @is_raid: [flag] 1 = raid object, 0 = sas object |
| 445 | * |
| 446 | * Determines whether this device should be first reported device to |
| 447 | * to scsi-ml or sas transport, this purpose is for persistent boot device. |
| 448 | * There are primary, alternate, and current entries in bios page 2. The order |
| 449 | * priority is primary, alternate, then current. This routine saves |
| 450 | * the corresponding device object and is_raid flag in the ioc object. |
| 451 | * The saved data to be used later in _scsih_probe_boot_devices(). |
| 452 | */ |
| 453 | static void |
| 454 | _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, |
| 455 | void *device, u8 is_raid) |
| 456 | { |
| 457 | struct _sas_device *sas_device; |
| 458 | struct _raid_device *raid_device; |
| 459 | u64 sas_address; |
| 460 | u64 device_name; |
| 461 | u64 enclosure_logical_id; |
| 462 | u16 slot; |
| 463 | |
| 464 | /* only process this function when driver loads */ |
| 465 | if (!ioc->is_driver_loading) |
| 466 | return; |
| 467 | |
| 468 | /* no Bios, return immediately */ |
| 469 | if (!ioc->bios_pg3.BiosVersion) |
| 470 | return; |
| 471 | |
| 472 | if (!is_raid) { |
| 473 | sas_device = device; |
| 474 | sas_address = sas_device->sas_address; |
| 475 | device_name = sas_device->device_name; |
| 476 | enclosure_logical_id = sas_device->enclosure_logical_id; |
| 477 | slot = sas_device->slot; |
| 478 | } else { |
| 479 | raid_device = device; |
| 480 | sas_address = raid_device->wwid; |
| 481 | device_name = 0; |
| 482 | enclosure_logical_id = 0; |
| 483 | slot = 0; |
| 484 | } |
| 485 | |
| 486 | if (!ioc->req_boot_device.device) { |
| 487 | if (_scsih_is_boot_device(sas_address, device_name, |
| 488 | enclosure_logical_id, slot, |
| 489 | (ioc->bios_pg2.ReqBootDeviceForm & |
| 490 | MPI2_BIOSPAGE2_FORM_MASK), |
| 491 | &ioc->bios_pg2.RequestedBootDevice)) { |
| 492 | dinitprintk(ioc, pr_info(MPT3SAS_FMT |
| 493 | "%s: req_boot_device(0x%016llx)\n", |
| 494 | ioc->name, __func__, |
| 495 | (unsigned long long)sas_address)); |
| 496 | ioc->req_boot_device.device = device; |
| 497 | ioc->req_boot_device.is_raid = is_raid; |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | if (!ioc->req_alt_boot_device.device) { |
| 502 | if (_scsih_is_boot_device(sas_address, device_name, |
| 503 | enclosure_logical_id, slot, |
| 504 | (ioc->bios_pg2.ReqAltBootDeviceForm & |
| 505 | MPI2_BIOSPAGE2_FORM_MASK), |
| 506 | &ioc->bios_pg2.RequestedAltBootDevice)) { |
| 507 | dinitprintk(ioc, pr_info(MPT3SAS_FMT |
| 508 | "%s: req_alt_boot_device(0x%016llx)\n", |
| 509 | ioc->name, __func__, |
| 510 | (unsigned long long)sas_address)); |
| 511 | ioc->req_alt_boot_device.device = device; |
| 512 | ioc->req_alt_boot_device.is_raid = is_raid; |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | if (!ioc->current_boot_device.device) { |
| 517 | if (_scsih_is_boot_device(sas_address, device_name, |
| 518 | enclosure_logical_id, slot, |
| 519 | (ioc->bios_pg2.CurrentBootDeviceForm & |
| 520 | MPI2_BIOSPAGE2_FORM_MASK), |
| 521 | &ioc->bios_pg2.CurrentBootDevice)) { |
| 522 | dinitprintk(ioc, pr_info(MPT3SAS_FMT |
| 523 | "%s: current_boot_device(0x%016llx)\n", |
| 524 | ioc->name, __func__, |
| 525 | (unsigned long long)sas_address)); |
| 526 | ioc->current_boot_device.device = device; |
| 527 | ioc->current_boot_device.is_raid = is_raid; |
| 528 | } |
| 529 | } |
| 530 | } |
| 531 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 532 | static struct _sas_device * |
| 533 | __mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, |
| 534 | struct MPT3SAS_TARGET *tgt_priv) |
| 535 | { |
| 536 | struct _sas_device *ret; |
| 537 | |
| 538 | assert_spin_locked(&ioc->sas_device_lock); |
| 539 | |
| 540 | ret = tgt_priv->sdev; |
| 541 | if (ret) |
| 542 | sas_device_get(ret); |
| 543 | |
| 544 | return ret; |
| 545 | } |
| 546 | |
| 547 | static struct _sas_device * |
| 548 | mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, |
| 549 | struct MPT3SAS_TARGET *tgt_priv) |
| 550 | { |
| 551 | struct _sas_device *ret; |
| 552 | unsigned long flags; |
| 553 | |
| 554 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 555 | ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv); |
| 556 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 557 | |
| 558 | return ret; |
| 559 | } |
| 560 | |
| 561 | |
| 562 | struct _sas_device * |
| 563 | __mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, |
| 564 | u64 sas_address) |
| 565 | { |
| 566 | struct _sas_device *sas_device; |
| 567 | |
| 568 | assert_spin_locked(&ioc->sas_device_lock); |
| 569 | |
| 570 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
| 571 | if (sas_device->sas_address == sas_address) |
| 572 | goto found_device; |
| 573 | |
| 574 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) |
| 575 | if (sas_device->sas_address == sas_address) |
| 576 | goto found_device; |
| 577 | |
| 578 | return NULL; |
| 579 | |
| 580 | found_device: |
| 581 | sas_device_get(sas_device); |
| 582 | return sas_device; |
| 583 | } |
| 584 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 585 | /** |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 586 | * mpt3sas_get_sdev_by_addr - sas device search |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 587 | * @ioc: per adapter object |
| 588 | * @sas_address: sas address |
| 589 | * Context: Calling function should acquire ioc->sas_device_lock |
| 590 | * |
| 591 | * This searches for sas_device based on sas_address, then return sas_device |
| 592 | * object. |
| 593 | */ |
| 594 | struct _sas_device * |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 595 | mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 596 | u64 sas_address) |
| 597 | { |
| 598 | struct _sas_device *sas_device; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 599 | unsigned long flags; |
| 600 | |
| 601 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 602 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| 603 | sas_address); |
| 604 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 605 | |
| 606 | return sas_device; |
| 607 | } |
| 608 | |
| 609 | static struct _sas_device * |
| 610 | __mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 611 | { |
| 612 | struct _sas_device *sas_device; |
| 613 | |
| 614 | assert_spin_locked(&ioc->sas_device_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 615 | |
| 616 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 617 | if (sas_device->handle == handle) |
| 618 | goto found_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 619 | |
| 620 | list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 621 | if (sas_device->handle == handle) |
| 622 | goto found_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 623 | |
| 624 | return NULL; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 625 | |
| 626 | found_device: |
| 627 | sas_device_get(sas_device); |
| 628 | return sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 629 | } |
| 630 | |
| 631 | /** |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 632 | * mpt3sas_get_sdev_by_handle - sas device search |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 633 | * @ioc: per adapter object |
| 634 | * @handle: sas device handle (assigned by firmware) |
| 635 | * Context: Calling function should acquire ioc->sas_device_lock |
| 636 | * |
| 637 | * This searches for sas_device based on sas_address, then return sas_device |
| 638 | * object. |
| 639 | */ |
| 640 | static struct _sas_device * |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 641 | mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 642 | { |
| 643 | struct _sas_device *sas_device; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 644 | unsigned long flags; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 645 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 646 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 647 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| 648 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 649 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 650 | return sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 651 | } |
| 652 | |
| 653 | /** |
| 654 | * _scsih_sas_device_remove - remove sas_device from list. |
| 655 | * @ioc: per adapter object |
| 656 | * @sas_device: the sas_device object |
| 657 | * Context: This function will acquire ioc->sas_device_lock. |
| 658 | * |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 659 | * If sas_device is on the list, remove it and decrement its reference count. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 660 | */ |
| 661 | static void |
| 662 | _scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc, |
| 663 | struct _sas_device *sas_device) |
| 664 | { |
| 665 | unsigned long flags; |
| 666 | |
| 667 | if (!sas_device) |
| 668 | return; |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 669 | pr_info(MPT3SAS_FMT |
| 670 | "removing handle(0x%04x), sas_addr(0x%016llx)\n", |
| 671 | ioc->name, sas_device->handle, |
| 672 | (unsigned long long) sas_device->sas_address); |
| 673 | |
| 674 | if (sas_device->enclosure_handle != 0) |
| 675 | pr_info(MPT3SAS_FMT |
| 676 | "removing enclosure logical id(0x%016llx), slot(%d)\n", |
| 677 | ioc->name, (unsigned long long) |
| 678 | sas_device->enclosure_logical_id, sas_device->slot); |
| 679 | |
| 680 | if (sas_device->connector_name[0] != '\0') |
| 681 | pr_info(MPT3SAS_FMT |
| 682 | "removing enclosure level(0x%04x), connector name( %s)\n", |
| 683 | ioc->name, sas_device->enclosure_level, |
| 684 | sas_device->connector_name); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 685 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 686 | /* |
| 687 | * The lock serializes access to the list, but we still need to verify |
| 688 | * that nobody removed the entry while we were waiting on the lock. |
| 689 | */ |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 690 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 691 | if (!list_empty(&sas_device->list)) { |
| 692 | list_del_init(&sas_device->list); |
| 693 | sas_device_put(sas_device); |
| 694 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 695 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * _scsih_device_remove_by_handle - removing device object by handle |
| 700 | * @ioc: per adapter object |
| 701 | * @handle: device handle |
| 702 | * |
| 703 | * Return nothing. |
| 704 | */ |
| 705 | static void |
| 706 | _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 707 | { |
| 708 | struct _sas_device *sas_device; |
| 709 | unsigned long flags; |
| 710 | |
| 711 | if (ioc->shost_recovery) |
| 712 | return; |
| 713 | |
| 714 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 715 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| 716 | if (sas_device) { |
| 717 | list_del_init(&sas_device->list); |
| 718 | sas_device_put(sas_device); |
| 719 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 720 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 721 | if (sas_device) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 722 | _scsih_remove_device(ioc, sas_device); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 723 | sas_device_put(sas_device); |
| 724 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | /** |
| 728 | * mpt3sas_device_remove_by_sas_address - removing device object by sas address |
| 729 | * @ioc: per adapter object |
| 730 | * @sas_address: device sas_address |
| 731 | * |
| 732 | * Return nothing. |
| 733 | */ |
| 734 | void |
| 735 | mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc, |
| 736 | u64 sas_address) |
| 737 | { |
| 738 | struct _sas_device *sas_device; |
| 739 | unsigned long flags; |
| 740 | |
| 741 | if (ioc->shost_recovery) |
| 742 | return; |
| 743 | |
| 744 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 745 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address); |
| 746 | if (sas_device) { |
| 747 | list_del_init(&sas_device->list); |
| 748 | sas_device_put(sas_device); |
| 749 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 750 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 751 | if (sas_device) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 752 | _scsih_remove_device(ioc, sas_device); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 753 | sas_device_put(sas_device); |
| 754 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 755 | } |
| 756 | |
| 757 | /** |
| 758 | * _scsih_sas_device_add - insert sas_device to the list. |
| 759 | * @ioc: per adapter object |
| 760 | * @sas_device: the sas_device object |
| 761 | * Context: This function will acquire ioc->sas_device_lock. |
| 762 | * |
| 763 | * Adding new object to the ioc->sas_device_list. |
| 764 | */ |
| 765 | static void |
| 766 | _scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc, |
| 767 | struct _sas_device *sas_device) |
| 768 | { |
| 769 | unsigned long flags; |
| 770 | |
| 771 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 772 | "%s: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 773 | ioc->name, __func__, sas_device->handle, |
| 774 | (unsigned long long)sas_device->sas_address)); |
| 775 | |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 776 | if (sas_device->enclosure_handle != 0) |
| 777 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 778 | "%s: enclosure logical id(0x%016llx), slot( %d)\n", |
| 779 | ioc->name, __func__, (unsigned long long) |
| 780 | sas_device->enclosure_logical_id, sas_device->slot)); |
| 781 | |
| 782 | if (sas_device->connector_name[0] != '\0') |
| 783 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 784 | "%s: enclosure level(0x%04x), connector name( %s)\n", |
| 785 | ioc->name, __func__, |
| 786 | sas_device->enclosure_level, sas_device->connector_name)); |
| 787 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 788 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 789 | sas_device_get(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 790 | list_add_tail(&sas_device->list, &ioc->sas_device_list); |
| 791 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 792 | |
| 793 | if (!mpt3sas_transport_port_add(ioc, sas_device->handle, |
| 794 | sas_device->sas_address_parent)) { |
| 795 | _scsih_sas_device_remove(ioc, sas_device); |
| 796 | } else if (!sas_device->starget) { |
| 797 | /* |
| 798 | * When asyn scanning is enabled, its not possible to remove |
| 799 | * devices while scanning is turned on due to an oops in |
| 800 | * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start() |
| 801 | */ |
Sreekanth Reddy | f5edbe7 | 2013-06-29 03:54:51 +0530 | [diff] [blame] | 802 | if (!ioc->is_driver_loading) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 803 | mpt3sas_transport_port_remove(ioc, |
| 804 | sas_device->sas_address, |
| 805 | sas_device->sas_address_parent); |
Sreekanth Reddy | f5edbe7 | 2013-06-29 03:54:51 +0530 | [diff] [blame] | 806 | _scsih_sas_device_remove(ioc, sas_device); |
| 807 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 808 | } |
| 809 | } |
| 810 | |
| 811 | /** |
| 812 | * _scsih_sas_device_init_add - insert sas_device to the list. |
| 813 | * @ioc: per adapter object |
| 814 | * @sas_device: the sas_device object |
| 815 | * Context: This function will acquire ioc->sas_device_lock. |
| 816 | * |
| 817 | * Adding new object at driver load time to the ioc->sas_device_init_list. |
| 818 | */ |
| 819 | static void |
| 820 | _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc, |
| 821 | struct _sas_device *sas_device) |
| 822 | { |
| 823 | unsigned long flags; |
| 824 | |
| 825 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 826 | "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, |
| 827 | __func__, sas_device->handle, |
| 828 | (unsigned long long)sas_device->sas_address)); |
| 829 | |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 830 | if (sas_device->enclosure_handle != 0) |
| 831 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 832 | "%s: enclosure logical id(0x%016llx), slot( %d)\n", |
| 833 | ioc->name, __func__, (unsigned long long) |
| 834 | sas_device->enclosure_logical_id, sas_device->slot)); |
| 835 | |
| 836 | if (sas_device->connector_name[0] != '\0') |
| 837 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 838 | "%s: enclosure level(0x%04x), connector name( %s)\n", |
| 839 | ioc->name, __func__, sas_device->enclosure_level, |
| 840 | sas_device->connector_name)); |
| 841 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 842 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 843 | sas_device_get(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 844 | list_add_tail(&sas_device->list, &ioc->sas_device_init_list); |
| 845 | _scsih_determine_boot_device(ioc, sas_device, 0); |
| 846 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * _scsih_raid_device_find_by_id - raid device search |
| 851 | * @ioc: per adapter object |
| 852 | * @id: sas device target id |
| 853 | * @channel: sas device channel |
| 854 | * Context: Calling function should acquire ioc->raid_device_lock |
| 855 | * |
| 856 | * This searches for raid_device based on target id, then return raid_device |
| 857 | * object. |
| 858 | */ |
| 859 | static struct _raid_device * |
| 860 | _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel) |
| 861 | { |
| 862 | struct _raid_device *raid_device, *r; |
| 863 | |
| 864 | r = NULL; |
| 865 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| 866 | if (raid_device->id == id && raid_device->channel == channel) { |
| 867 | r = raid_device; |
| 868 | goto out; |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | out: |
| 873 | return r; |
| 874 | } |
| 875 | |
| 876 | /** |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 877 | * mpt3sas_raid_device_find_by_handle - raid device search |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 878 | * @ioc: per adapter object |
| 879 | * @handle: sas device handle (assigned by firmware) |
| 880 | * Context: Calling function should acquire ioc->raid_device_lock |
| 881 | * |
| 882 | * This searches for raid_device based on handle, then return raid_device |
| 883 | * object. |
| 884 | */ |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 885 | struct _raid_device * |
| 886 | mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 887 | { |
| 888 | struct _raid_device *raid_device, *r; |
| 889 | |
| 890 | r = NULL; |
| 891 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| 892 | if (raid_device->handle != handle) |
| 893 | continue; |
| 894 | r = raid_device; |
| 895 | goto out; |
| 896 | } |
| 897 | |
| 898 | out: |
| 899 | return r; |
| 900 | } |
| 901 | |
| 902 | /** |
| 903 | * _scsih_raid_device_find_by_wwid - raid device search |
| 904 | * @ioc: per adapter object |
| 905 | * @handle: sas device handle (assigned by firmware) |
| 906 | * Context: Calling function should acquire ioc->raid_device_lock |
| 907 | * |
| 908 | * This searches for raid_device based on wwid, then return raid_device |
| 909 | * object. |
| 910 | */ |
| 911 | static struct _raid_device * |
| 912 | _scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid) |
| 913 | { |
| 914 | struct _raid_device *raid_device, *r; |
| 915 | |
| 916 | r = NULL; |
| 917 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| 918 | if (raid_device->wwid != wwid) |
| 919 | continue; |
| 920 | r = raid_device; |
| 921 | goto out; |
| 922 | } |
| 923 | |
| 924 | out: |
| 925 | return r; |
| 926 | } |
| 927 | |
| 928 | /** |
| 929 | * _scsih_raid_device_add - add raid_device object |
| 930 | * @ioc: per adapter object |
| 931 | * @raid_device: raid_device object |
| 932 | * |
| 933 | * This is added to the raid_device_list link list. |
| 934 | */ |
| 935 | static void |
| 936 | _scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc, |
| 937 | struct _raid_device *raid_device) |
| 938 | { |
| 939 | unsigned long flags; |
| 940 | |
| 941 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 942 | "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, |
| 943 | raid_device->handle, (unsigned long long)raid_device->wwid)); |
| 944 | |
| 945 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 946 | list_add_tail(&raid_device->list, &ioc->raid_device_list); |
| 947 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 948 | } |
| 949 | |
| 950 | /** |
| 951 | * _scsih_raid_device_remove - delete raid_device object |
| 952 | * @ioc: per adapter object |
| 953 | * @raid_device: raid_device object |
| 954 | * |
| 955 | */ |
| 956 | static void |
| 957 | _scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc, |
| 958 | struct _raid_device *raid_device) |
| 959 | { |
| 960 | unsigned long flags; |
| 961 | |
| 962 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 963 | list_del(&raid_device->list); |
| 964 | kfree(raid_device); |
| 965 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 966 | } |
| 967 | |
| 968 | /** |
| 969 | * mpt3sas_scsih_expander_find_by_handle - expander device search |
| 970 | * @ioc: per adapter object |
| 971 | * @handle: expander handle (assigned by firmware) |
| 972 | * Context: Calling function should acquire ioc->sas_device_lock |
| 973 | * |
| 974 | * This searches for expander device based on handle, then returns the |
| 975 | * sas_node object. |
| 976 | */ |
| 977 | struct _sas_node * |
| 978 | mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 979 | { |
| 980 | struct _sas_node *sas_expander, *r; |
| 981 | |
| 982 | r = NULL; |
| 983 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| 984 | if (sas_expander->handle != handle) |
| 985 | continue; |
| 986 | r = sas_expander; |
| 987 | goto out; |
| 988 | } |
| 989 | out: |
| 990 | return r; |
| 991 | } |
| 992 | |
| 993 | /** |
| 994 | * mpt3sas_scsih_expander_find_by_sas_address - expander device search |
| 995 | * @ioc: per adapter object |
| 996 | * @sas_address: sas address |
| 997 | * Context: Calling function should acquire ioc->sas_node_lock. |
| 998 | * |
| 999 | * This searches for expander device based on sas_address, then returns the |
| 1000 | * sas_node object. |
| 1001 | */ |
| 1002 | struct _sas_node * |
| 1003 | mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, |
| 1004 | u64 sas_address) |
| 1005 | { |
| 1006 | struct _sas_node *sas_expander, *r; |
| 1007 | |
| 1008 | r = NULL; |
| 1009 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| 1010 | if (sas_expander->sas_address != sas_address) |
| 1011 | continue; |
| 1012 | r = sas_expander; |
| 1013 | goto out; |
| 1014 | } |
| 1015 | out: |
| 1016 | return r; |
| 1017 | } |
| 1018 | |
| 1019 | /** |
| 1020 | * _scsih_expander_node_add - insert expander device to the list. |
| 1021 | * @ioc: per adapter object |
| 1022 | * @sas_expander: the sas_device object |
| 1023 | * Context: This function will acquire ioc->sas_node_lock. |
| 1024 | * |
| 1025 | * Adding new object to the ioc->sas_expander_list. |
| 1026 | * |
| 1027 | * Return nothing. |
| 1028 | */ |
| 1029 | static void |
| 1030 | _scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc, |
| 1031 | struct _sas_node *sas_expander) |
| 1032 | { |
| 1033 | unsigned long flags; |
| 1034 | |
| 1035 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 1036 | list_add_tail(&sas_expander->list, &ioc->sas_expander_list); |
| 1037 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1038 | } |
| 1039 | |
| 1040 | /** |
| 1041 | * _scsih_is_end_device - determines if device is an end device |
| 1042 | * @device_info: bitfield providing information about the device. |
| 1043 | * Context: none |
| 1044 | * |
| 1045 | * Returns 1 if end device. |
| 1046 | */ |
| 1047 | static int |
| 1048 | _scsih_is_end_device(u32 device_info) |
| 1049 | { |
| 1050 | if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE && |
| 1051 | ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) | |
| 1052 | (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) | |
| 1053 | (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE))) |
| 1054 | return 1; |
| 1055 | else |
| 1056 | return 0; |
| 1057 | } |
| 1058 | |
| 1059 | /** |
| 1060 | * _scsih_scsi_lookup_get - returns scmd entry |
| 1061 | * @ioc: per adapter object |
| 1062 | * @smid: system request message index |
| 1063 | * |
| 1064 | * Returns the smid stored scmd pointer. |
| 1065 | */ |
| 1066 | static struct scsi_cmnd * |
| 1067 | _scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid) |
| 1068 | { |
| 1069 | return ioc->scsi_lookup[smid - 1].scmd; |
| 1070 | } |
| 1071 | |
| 1072 | /** |
| 1073 | * _scsih_scsi_lookup_get_clear - returns scmd entry |
| 1074 | * @ioc: per adapter object |
| 1075 | * @smid: system request message index |
| 1076 | * |
| 1077 | * Returns the smid stored scmd pointer. |
| 1078 | * Then will derefrence the stored scmd pointer. |
| 1079 | */ |
| 1080 | static inline struct scsi_cmnd * |
| 1081 | _scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid) |
| 1082 | { |
| 1083 | unsigned long flags; |
| 1084 | struct scsi_cmnd *scmd; |
| 1085 | |
| 1086 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 1087 | scmd = ioc->scsi_lookup[smid - 1].scmd; |
| 1088 | ioc->scsi_lookup[smid - 1].scmd = NULL; |
| 1089 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1090 | |
| 1091 | return scmd; |
| 1092 | } |
| 1093 | |
| 1094 | /** |
| 1095 | * _scsih_scsi_lookup_find_by_scmd - scmd lookup |
| 1096 | * @ioc: per adapter object |
| 1097 | * @smid: system request message index |
| 1098 | * @scmd: pointer to scsi command object |
| 1099 | * Context: This function will acquire ioc->scsi_lookup_lock. |
| 1100 | * |
| 1101 | * This will search for a scmd pointer in the scsi_lookup array, |
| 1102 | * returning the revelent smid. A returned value of zero means invalid. |
| 1103 | */ |
| 1104 | static u16 |
| 1105 | _scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd |
| 1106 | *scmd) |
| 1107 | { |
| 1108 | u16 smid; |
| 1109 | unsigned long flags; |
| 1110 | int i; |
| 1111 | |
| 1112 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 1113 | smid = 0; |
| 1114 | for (i = 0; i < ioc->scsiio_depth; i++) { |
| 1115 | if (ioc->scsi_lookup[i].scmd == scmd) { |
| 1116 | smid = ioc->scsi_lookup[i].smid; |
| 1117 | goto out; |
| 1118 | } |
| 1119 | } |
| 1120 | out: |
| 1121 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1122 | return smid; |
| 1123 | } |
| 1124 | |
| 1125 | /** |
| 1126 | * _scsih_scsi_lookup_find_by_target - search for matching channel:id |
| 1127 | * @ioc: per adapter object |
| 1128 | * @id: target id |
| 1129 | * @channel: channel |
| 1130 | * Context: This function will acquire ioc->scsi_lookup_lock. |
| 1131 | * |
| 1132 | * This will search for a matching channel:id in the scsi_lookup array, |
| 1133 | * returning 1 if found. |
| 1134 | */ |
| 1135 | static u8 |
| 1136 | _scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id, |
| 1137 | int channel) |
| 1138 | { |
| 1139 | u8 found; |
| 1140 | unsigned long flags; |
| 1141 | int i; |
| 1142 | |
| 1143 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 1144 | found = 0; |
| 1145 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
| 1146 | if (ioc->scsi_lookup[i].scmd && |
| 1147 | (ioc->scsi_lookup[i].scmd->device->id == id && |
| 1148 | ioc->scsi_lookup[i].scmd->device->channel == channel)) { |
| 1149 | found = 1; |
| 1150 | goto out; |
| 1151 | } |
| 1152 | } |
| 1153 | out: |
| 1154 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1155 | return found; |
| 1156 | } |
| 1157 | |
| 1158 | /** |
| 1159 | * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun |
| 1160 | * @ioc: per adapter object |
| 1161 | * @id: target id |
| 1162 | * @lun: lun number |
| 1163 | * @channel: channel |
| 1164 | * Context: This function will acquire ioc->scsi_lookup_lock. |
| 1165 | * |
| 1166 | * This will search for a matching channel:id:lun in the scsi_lookup array, |
| 1167 | * returning 1 if found. |
| 1168 | */ |
| 1169 | static u8 |
| 1170 | _scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id, |
| 1171 | unsigned int lun, int channel) |
| 1172 | { |
| 1173 | u8 found; |
| 1174 | unsigned long flags; |
| 1175 | int i; |
| 1176 | |
| 1177 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 1178 | found = 0; |
| 1179 | for (i = 0 ; i < ioc->scsiio_depth; i++) { |
| 1180 | if (ioc->scsi_lookup[i].scmd && |
| 1181 | (ioc->scsi_lookup[i].scmd->device->id == id && |
| 1182 | ioc->scsi_lookup[i].scmd->device->channel == channel && |
| 1183 | ioc->scsi_lookup[i].scmd->device->lun == lun)) { |
| 1184 | found = 1; |
| 1185 | goto out; |
| 1186 | } |
| 1187 | } |
| 1188 | out: |
| 1189 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1190 | return found; |
| 1191 | } |
| 1192 | |
Christoph Hellwig | cf75d5d | 2014-11-13 15:13:20 +0100 | [diff] [blame] | 1193 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1194 | * scsih_change_queue_depth - setting device queue depth |
Christoph Hellwig | cf75d5d | 2014-11-13 15:13:20 +0100 | [diff] [blame] | 1195 | * @sdev: scsi device struct |
| 1196 | * @qdepth: requested queue depth |
| 1197 | * |
| 1198 | * Returns queue depth. |
| 1199 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1200 | int |
| 1201 | scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1202 | { |
| 1203 | struct Scsi_Host *shost = sdev->host; |
| 1204 | int max_depth; |
| 1205 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 1206 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 1207 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 1208 | struct _sas_device *sas_device; |
| 1209 | unsigned long flags; |
| 1210 | |
| 1211 | max_depth = shost->can_queue; |
| 1212 | |
| 1213 | /* limit max device queue for SATA to 32 */ |
| 1214 | sas_device_priv_data = sdev->hostdata; |
| 1215 | if (!sas_device_priv_data) |
| 1216 | goto not_sata; |
| 1217 | sas_target_priv_data = sas_device_priv_data->sas_target; |
| 1218 | if (!sas_target_priv_data) |
| 1219 | goto not_sata; |
| 1220 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) |
| 1221 | goto not_sata; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1222 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1223 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1224 | sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); |
| 1225 | if (sas_device) { |
| 1226 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| 1227 | max_depth = MPT3SAS_SATA_QUEUE_DEPTH; |
| 1228 | |
| 1229 | sas_device_put(sas_device); |
| 1230 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1231 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1232 | |
| 1233 | not_sata: |
| 1234 | |
| 1235 | if (!sdev->tagged_supported) |
| 1236 | max_depth = 1; |
| 1237 | if (qdepth > max_depth) |
| 1238 | qdepth = max_depth; |
Christoph Hellwig | cf75d5d | 2014-11-13 15:13:20 +0100 | [diff] [blame] | 1239 | return scsi_change_queue_depth(sdev, qdepth); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1240 | } |
| 1241 | |
| 1242 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1243 | * scsih_target_alloc - target add routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1244 | * @starget: scsi target struct |
| 1245 | * |
| 1246 | * Returns 0 if ok. Any other return is assumed to be an error and |
| 1247 | * the device is ignored. |
| 1248 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1249 | int |
| 1250 | scsih_target_alloc(struct scsi_target *starget) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1251 | { |
| 1252 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
| 1253 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 1254 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 1255 | struct _sas_device *sas_device; |
| 1256 | struct _raid_device *raid_device; |
| 1257 | unsigned long flags; |
| 1258 | struct sas_rphy *rphy; |
| 1259 | |
Joe Lawrence | 62c4da4 | 2014-06-25 17:04:22 -0400 | [diff] [blame] | 1260 | sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data), |
| 1261 | GFP_KERNEL); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1262 | if (!sas_target_priv_data) |
| 1263 | return -ENOMEM; |
| 1264 | |
| 1265 | starget->hostdata = sas_target_priv_data; |
| 1266 | sas_target_priv_data->starget = starget; |
| 1267 | sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE; |
| 1268 | |
| 1269 | /* RAID volumes */ |
| 1270 | if (starget->channel == RAID_CHANNEL) { |
| 1271 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 1272 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, |
| 1273 | starget->channel); |
| 1274 | if (raid_device) { |
| 1275 | sas_target_priv_data->handle = raid_device->handle; |
| 1276 | sas_target_priv_data->sas_address = raid_device->wwid; |
| 1277 | sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1278 | sas_target_priv_data->raid_device = raid_device; |
| 1279 | if (ioc->is_warpdrive) |
| 1280 | raid_device->starget = starget; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1281 | } |
| 1282 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 1283 | return 0; |
| 1284 | } |
| 1285 | |
| 1286 | /* sas/sata devices */ |
| 1287 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 1288 | rphy = dev_to_rphy(starget->dev.parent); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1289 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1290 | rphy->identify.sas_address); |
| 1291 | |
| 1292 | if (sas_device) { |
| 1293 | sas_target_priv_data->handle = sas_device->handle; |
| 1294 | sas_target_priv_data->sas_address = sas_device->sas_address; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1295 | sas_target_priv_data->sdev = sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1296 | sas_device->starget = starget; |
| 1297 | sas_device->id = starget->id; |
| 1298 | sas_device->channel = starget->channel; |
| 1299 | if (test_bit(sas_device->handle, ioc->pd_handles)) |
| 1300 | sas_target_priv_data->flags |= |
| 1301 | MPT_TARGET_FLAGS_RAID_COMPONENT; |
| 1302 | if (sas_device->fast_path) |
| 1303 | sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO; |
| 1304 | } |
| 1305 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1306 | |
| 1307 | return 0; |
| 1308 | } |
| 1309 | |
| 1310 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1311 | * scsih_target_destroy - target destroy routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1312 | * @starget: scsi target struct |
| 1313 | * |
| 1314 | * Returns nothing. |
| 1315 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1316 | void |
| 1317 | scsih_target_destroy(struct scsi_target *starget) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1318 | { |
| 1319 | struct Scsi_Host *shost = dev_to_shost(&starget->dev); |
| 1320 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 1321 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 1322 | struct _sas_device *sas_device; |
| 1323 | struct _raid_device *raid_device; |
| 1324 | unsigned long flags; |
| 1325 | struct sas_rphy *rphy; |
| 1326 | |
| 1327 | sas_target_priv_data = starget->hostdata; |
| 1328 | if (!sas_target_priv_data) |
| 1329 | return; |
| 1330 | |
| 1331 | if (starget->channel == RAID_CHANNEL) { |
| 1332 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 1333 | raid_device = _scsih_raid_device_find_by_id(ioc, starget->id, |
| 1334 | starget->channel); |
| 1335 | if (raid_device) { |
| 1336 | raid_device->starget = NULL; |
| 1337 | raid_device->sdev = NULL; |
| 1338 | } |
| 1339 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 1340 | goto out; |
| 1341 | } |
| 1342 | |
| 1343 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 1344 | rphy = dev_to_rphy(starget->dev.parent); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1345 | sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1346 | if (sas_device && (sas_device->starget == starget) && |
| 1347 | (sas_device->id == starget->id) && |
| 1348 | (sas_device->channel == starget->channel)) |
| 1349 | sas_device->starget = NULL; |
| 1350 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1351 | if (sas_device) { |
| 1352 | /* |
| 1353 | * Corresponding get() is in _scsih_target_alloc() |
| 1354 | */ |
| 1355 | sas_target_priv_data->sdev = NULL; |
| 1356 | sas_device_put(sas_device); |
| 1357 | |
| 1358 | sas_device_put(sas_device); |
| 1359 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1360 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1361 | |
| 1362 | out: |
| 1363 | kfree(sas_target_priv_data); |
| 1364 | starget->hostdata = NULL; |
| 1365 | } |
| 1366 | |
| 1367 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1368 | * scsih_slave_alloc - device add routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1369 | * @sdev: scsi device struct |
| 1370 | * |
| 1371 | * Returns 0 if ok. Any other return is assumed to be an error and |
| 1372 | * the device is ignored. |
| 1373 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1374 | int |
| 1375 | scsih_slave_alloc(struct scsi_device *sdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1376 | { |
| 1377 | struct Scsi_Host *shost; |
| 1378 | struct MPT3SAS_ADAPTER *ioc; |
| 1379 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 1380 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 1381 | struct scsi_target *starget; |
| 1382 | struct _raid_device *raid_device; |
Sreekanth Reddy | b65cfed | 2013-06-29 03:52:03 +0530 | [diff] [blame] | 1383 | struct _sas_device *sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1384 | unsigned long flags; |
| 1385 | |
Joe Lawrence | 62c4da4 | 2014-06-25 17:04:22 -0400 | [diff] [blame] | 1386 | sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data), |
| 1387 | GFP_KERNEL); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1388 | if (!sas_device_priv_data) |
| 1389 | return -ENOMEM; |
| 1390 | |
| 1391 | sas_device_priv_data->lun = sdev->lun; |
| 1392 | sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT; |
| 1393 | |
| 1394 | starget = scsi_target(sdev); |
| 1395 | sas_target_priv_data = starget->hostdata; |
| 1396 | sas_target_priv_data->num_luns++; |
| 1397 | sas_device_priv_data->sas_target = sas_target_priv_data; |
| 1398 | sdev->hostdata = sas_device_priv_data; |
| 1399 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT)) |
| 1400 | sdev->no_uld_attach = 1; |
| 1401 | |
| 1402 | shost = dev_to_shost(&starget->dev); |
| 1403 | ioc = shost_priv(shost); |
| 1404 | if (starget->channel == RAID_CHANNEL) { |
| 1405 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 1406 | raid_device = _scsih_raid_device_find_by_id(ioc, |
| 1407 | starget->id, starget->channel); |
| 1408 | if (raid_device) |
| 1409 | raid_device->sdev = sdev; /* raid is single lun */ |
| 1410 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 1411 | } |
| 1412 | |
Sreekanth Reddy | b65cfed | 2013-06-29 03:52:03 +0530 | [diff] [blame] | 1413 | if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { |
| 1414 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1415 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | b65cfed | 2013-06-29 03:52:03 +0530 | [diff] [blame] | 1416 | sas_target_priv_data->sas_address); |
| 1417 | if (sas_device && (sas_device->starget == NULL)) { |
| 1418 | sdev_printk(KERN_INFO, sdev, |
| 1419 | "%s : sas_device->starget set to starget @ %d\n", |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1420 | __func__, __LINE__); |
Sreekanth Reddy | b65cfed | 2013-06-29 03:52:03 +0530 | [diff] [blame] | 1421 | sas_device->starget = starget; |
| 1422 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1423 | |
| 1424 | if (sas_device) |
| 1425 | sas_device_put(sas_device); |
| 1426 | |
Sreekanth Reddy | b65cfed | 2013-06-29 03:52:03 +0530 | [diff] [blame] | 1427 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1428 | } |
| 1429 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1430 | return 0; |
| 1431 | } |
| 1432 | |
| 1433 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1434 | * scsih_slave_destroy - device destroy routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1435 | * @sdev: scsi device struct |
| 1436 | * |
| 1437 | * Returns nothing. |
| 1438 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1439 | void |
| 1440 | scsih_slave_destroy(struct scsi_device *sdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1441 | { |
| 1442 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 1443 | struct scsi_target *starget; |
| 1444 | struct Scsi_Host *shost; |
| 1445 | struct MPT3SAS_ADAPTER *ioc; |
| 1446 | struct _sas_device *sas_device; |
| 1447 | unsigned long flags; |
| 1448 | |
| 1449 | if (!sdev->hostdata) |
| 1450 | return; |
| 1451 | |
| 1452 | starget = scsi_target(sdev); |
| 1453 | sas_target_priv_data = starget->hostdata; |
| 1454 | sas_target_priv_data->num_luns--; |
| 1455 | |
| 1456 | shost = dev_to_shost(&starget->dev); |
| 1457 | ioc = shost_priv(shost); |
| 1458 | |
| 1459 | if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { |
| 1460 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1461 | sas_device = __mpt3sas_get_sdev_from_target(ioc, |
| 1462 | sas_target_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1463 | if (sas_device && !sas_target_priv_data->num_luns) |
| 1464 | sas_device->starget = NULL; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1465 | |
| 1466 | if (sas_device) |
| 1467 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1468 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1469 | } |
| 1470 | |
| 1471 | kfree(sdev->hostdata); |
| 1472 | sdev->hostdata = NULL; |
| 1473 | } |
| 1474 | |
| 1475 | /** |
| 1476 | * _scsih_display_sata_capabilities - sata capabilities |
| 1477 | * @ioc: per adapter object |
| 1478 | * @handle: device handle |
| 1479 | * @sdev: scsi device struct |
| 1480 | */ |
| 1481 | static void |
| 1482 | _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc, |
| 1483 | u16 handle, struct scsi_device *sdev) |
| 1484 | { |
| 1485 | Mpi2ConfigReply_t mpi_reply; |
| 1486 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 1487 | u32 ioc_status; |
| 1488 | u16 flags; |
| 1489 | u32 device_info; |
| 1490 | |
| 1491 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 1492 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| 1493 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 1494 | ioc->name, __FILE__, __LINE__, __func__); |
| 1495 | return; |
| 1496 | } |
| 1497 | |
| 1498 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 1499 | MPI2_IOCSTATUS_MASK; |
| 1500 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 1501 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 1502 | ioc->name, __FILE__, __LINE__, __func__); |
| 1503 | return; |
| 1504 | } |
| 1505 | |
| 1506 | flags = le16_to_cpu(sas_device_pg0.Flags); |
| 1507 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| 1508 | |
| 1509 | sdev_printk(KERN_INFO, sdev, |
| 1510 | "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " |
| 1511 | "sw_preserve(%s)\n", |
| 1512 | (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n", |
| 1513 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n", |
| 1514 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" : |
| 1515 | "n", |
| 1516 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n", |
| 1517 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n", |
| 1518 | (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n"); |
| 1519 | } |
| 1520 | |
| 1521 | /* |
| 1522 | * raid transport support - |
| 1523 | * Enabled for SLES11 and newer, in older kernels the driver will panic when |
| 1524 | * unloading the driver followed by a load - I beleive that the subroutine |
| 1525 | * raid_class_release() is not cleaning up properly. |
| 1526 | */ |
| 1527 | |
| 1528 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1529 | * scsih_is_raid - return boolean indicating device is raid volume |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1530 | * @dev the device struct object |
| 1531 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1532 | int |
| 1533 | scsih_is_raid(struct device *dev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1534 | { |
| 1535 | struct scsi_device *sdev = to_scsi_device(dev); |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1536 | struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1537 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1538 | if (ioc->is_warpdrive) |
| 1539 | return 0; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1540 | return (sdev->channel == RAID_CHANNEL) ? 1 : 0; |
| 1541 | } |
| 1542 | |
| 1543 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1544 | * scsih_get_resync - get raid volume resync percent complete |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1545 | * @dev the device struct object |
| 1546 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1547 | void |
| 1548 | scsih_get_resync(struct device *dev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1549 | { |
| 1550 | struct scsi_device *sdev = to_scsi_device(dev); |
| 1551 | struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| 1552 | static struct _raid_device *raid_device; |
| 1553 | unsigned long flags; |
| 1554 | Mpi2RaidVolPage0_t vol_pg0; |
| 1555 | Mpi2ConfigReply_t mpi_reply; |
| 1556 | u32 volume_status_flags; |
| 1557 | u8 percent_complete; |
| 1558 | u16 handle; |
| 1559 | |
| 1560 | percent_complete = 0; |
| 1561 | handle = 0; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1562 | if (ioc->is_warpdrive) |
| 1563 | goto out; |
| 1564 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1565 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 1566 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, |
| 1567 | sdev->channel); |
| 1568 | if (raid_device) { |
| 1569 | handle = raid_device->handle; |
| 1570 | percent_complete = raid_device->percent_complete; |
| 1571 | } |
| 1572 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 1573 | |
| 1574 | if (!handle) |
| 1575 | goto out; |
| 1576 | |
| 1577 | if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, |
| 1578 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| 1579 | sizeof(Mpi2RaidVolPage0_t))) { |
| 1580 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 1581 | ioc->name, __FILE__, __LINE__, __func__); |
| 1582 | percent_complete = 0; |
| 1583 | goto out; |
| 1584 | } |
| 1585 | |
| 1586 | volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); |
| 1587 | if (!(volume_status_flags & |
| 1588 | MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)) |
| 1589 | percent_complete = 0; |
| 1590 | |
| 1591 | out: |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1592 | if (ioc->hba_mpi_version_belonged == MPI2_VERSION) |
| 1593 | raid_set_resync(mpt2sas_raid_template, dev, percent_complete); |
| 1594 | if (ioc->hba_mpi_version_belonged == MPI25_VERSION) |
| 1595 | raid_set_resync(mpt3sas_raid_template, dev, percent_complete); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1596 | } |
| 1597 | |
| 1598 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1599 | * scsih_get_state - get raid volume level |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1600 | * @dev the device struct object |
| 1601 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1602 | void |
| 1603 | scsih_get_state(struct device *dev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1604 | { |
| 1605 | struct scsi_device *sdev = to_scsi_device(dev); |
| 1606 | struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); |
| 1607 | static struct _raid_device *raid_device; |
| 1608 | unsigned long flags; |
| 1609 | Mpi2RaidVolPage0_t vol_pg0; |
| 1610 | Mpi2ConfigReply_t mpi_reply; |
| 1611 | u32 volstate; |
| 1612 | enum raid_state state = RAID_STATE_UNKNOWN; |
| 1613 | u16 handle = 0; |
| 1614 | |
| 1615 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 1616 | raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, |
| 1617 | sdev->channel); |
| 1618 | if (raid_device) |
| 1619 | handle = raid_device->handle; |
| 1620 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 1621 | |
| 1622 | if (!raid_device) |
| 1623 | goto out; |
| 1624 | |
| 1625 | if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, |
| 1626 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| 1627 | sizeof(Mpi2RaidVolPage0_t))) { |
| 1628 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 1629 | ioc->name, __FILE__, __LINE__, __func__); |
| 1630 | goto out; |
| 1631 | } |
| 1632 | |
| 1633 | volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); |
| 1634 | if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { |
| 1635 | state = RAID_STATE_RESYNCING; |
| 1636 | goto out; |
| 1637 | } |
| 1638 | |
| 1639 | switch (vol_pg0.VolumeState) { |
| 1640 | case MPI2_RAID_VOL_STATE_OPTIMAL: |
| 1641 | case MPI2_RAID_VOL_STATE_ONLINE: |
| 1642 | state = RAID_STATE_ACTIVE; |
| 1643 | break; |
| 1644 | case MPI2_RAID_VOL_STATE_DEGRADED: |
| 1645 | state = RAID_STATE_DEGRADED; |
| 1646 | break; |
| 1647 | case MPI2_RAID_VOL_STATE_FAILED: |
| 1648 | case MPI2_RAID_VOL_STATE_MISSING: |
| 1649 | state = RAID_STATE_OFFLINE; |
| 1650 | break; |
| 1651 | } |
| 1652 | out: |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1653 | if (ioc->hba_mpi_version_belonged == MPI2_VERSION) |
| 1654 | raid_set_state(mpt2sas_raid_template, dev, state); |
| 1655 | if (ioc->hba_mpi_version_belonged == MPI25_VERSION) |
| 1656 | raid_set_state(mpt3sas_raid_template, dev, state); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1657 | } |
| 1658 | |
| 1659 | /** |
| 1660 | * _scsih_set_level - set raid level |
| 1661 | * @sdev: scsi device struct |
| 1662 | * @volume_type: volume type |
| 1663 | */ |
| 1664 | static void |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1665 | _scsih_set_level(struct MPT3SAS_ADAPTER *ioc, |
| 1666 | struct scsi_device *sdev, u8 volume_type) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1667 | { |
| 1668 | enum raid_level level = RAID_LEVEL_UNKNOWN; |
| 1669 | |
| 1670 | switch (volume_type) { |
| 1671 | case MPI2_RAID_VOL_TYPE_RAID0: |
| 1672 | level = RAID_LEVEL_0; |
| 1673 | break; |
| 1674 | case MPI2_RAID_VOL_TYPE_RAID10: |
| 1675 | level = RAID_LEVEL_10; |
| 1676 | break; |
| 1677 | case MPI2_RAID_VOL_TYPE_RAID1E: |
| 1678 | level = RAID_LEVEL_1E; |
| 1679 | break; |
| 1680 | case MPI2_RAID_VOL_TYPE_RAID1: |
| 1681 | level = RAID_LEVEL_1; |
| 1682 | break; |
| 1683 | } |
| 1684 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1685 | if (ioc->hba_mpi_version_belonged == MPI2_VERSION) |
| 1686 | raid_set_level(mpt2sas_raid_template, |
| 1687 | &sdev->sdev_gendev, level); |
| 1688 | if (ioc->hba_mpi_version_belonged == MPI25_VERSION) |
| 1689 | raid_set_level(mpt3sas_raid_template, |
| 1690 | &sdev->sdev_gendev, level); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1691 | } |
| 1692 | |
| 1693 | |
| 1694 | /** |
| 1695 | * _scsih_get_volume_capabilities - volume capabilities |
| 1696 | * @ioc: per adapter object |
| 1697 | * @sas_device: the raid_device object |
| 1698 | * |
| 1699 | * Returns 0 for success, else 1 |
| 1700 | */ |
| 1701 | static int |
| 1702 | _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc, |
| 1703 | struct _raid_device *raid_device) |
| 1704 | { |
| 1705 | Mpi2RaidVolPage0_t *vol_pg0; |
| 1706 | Mpi2RaidPhysDiskPage0_t pd_pg0; |
| 1707 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 1708 | Mpi2ConfigReply_t mpi_reply; |
| 1709 | u16 sz; |
| 1710 | u8 num_pds; |
| 1711 | |
| 1712 | if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle, |
| 1713 | &num_pds)) || !num_pds) { |
| 1714 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1715 | "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, |
| 1716 | __func__)); |
| 1717 | return 1; |
| 1718 | } |
| 1719 | |
| 1720 | raid_device->num_pds = num_pds; |
| 1721 | sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * |
| 1722 | sizeof(Mpi2RaidVol0PhysDisk_t)); |
| 1723 | vol_pg0 = kzalloc(sz, GFP_KERNEL); |
| 1724 | if (!vol_pg0) { |
| 1725 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1726 | "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, |
| 1727 | __func__)); |
| 1728 | return 1; |
| 1729 | } |
| 1730 | |
| 1731 | if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, |
| 1732 | MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { |
| 1733 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1734 | "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, |
| 1735 | __func__)); |
| 1736 | kfree(vol_pg0); |
| 1737 | return 1; |
| 1738 | } |
| 1739 | |
| 1740 | raid_device->volume_type = vol_pg0->VolumeType; |
| 1741 | |
| 1742 | /* figure out what the underlying devices are by |
| 1743 | * obtaining the device_info bits for the 1st device |
| 1744 | */ |
| 1745 | if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| 1746 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, |
| 1747 | vol_pg0->PhysDisk[0].PhysDiskNum))) { |
| 1748 | if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| 1749 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| 1750 | le16_to_cpu(pd_pg0.DevHandle)))) { |
| 1751 | raid_device->device_info = |
| 1752 | le32_to_cpu(sas_device_pg0.DeviceInfo); |
| 1753 | } |
| 1754 | } |
| 1755 | |
| 1756 | kfree(vol_pg0); |
| 1757 | return 0; |
| 1758 | } |
| 1759 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1760 | /** |
| 1761 | * _scsih_enable_tlr - setting TLR flags |
| 1762 | * @ioc: per adapter object |
| 1763 | * @sdev: scsi device struct |
| 1764 | * |
| 1765 | * Enabling Transaction Layer Retries for tape devices when |
| 1766 | * vpd page 0x90 is present |
| 1767 | * |
| 1768 | */ |
| 1769 | static void |
| 1770 | _scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev) |
| 1771 | { |
| 1772 | |
| 1773 | /* only for TAPE */ |
| 1774 | if (sdev->type != TYPE_TAPE) |
| 1775 | return; |
| 1776 | |
| 1777 | if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) |
| 1778 | return; |
| 1779 | |
| 1780 | sas_enable_tlr(sdev); |
| 1781 | sdev_printk(KERN_INFO, sdev, "TLR %s\n", |
| 1782 | sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); |
| 1783 | return; |
| 1784 | |
| 1785 | } |
| 1786 | |
| 1787 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1788 | * scsih_slave_configure - device configure routine. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1789 | * @sdev: scsi device struct |
| 1790 | * |
| 1791 | * Returns 0 if ok. Any other return is assumed to be an error and |
| 1792 | * the device is ignored. |
| 1793 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1794 | int |
| 1795 | scsih_slave_configure(struct scsi_device *sdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1796 | { |
| 1797 | struct Scsi_Host *shost = sdev->host; |
| 1798 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 1799 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 1800 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 1801 | struct _sas_device *sas_device; |
| 1802 | struct _raid_device *raid_device; |
| 1803 | unsigned long flags; |
| 1804 | int qdepth; |
| 1805 | u8 ssp_target = 0; |
| 1806 | char *ds = ""; |
| 1807 | char *r_level = ""; |
| 1808 | u16 handle, volume_handle = 0; |
| 1809 | u64 volume_wwid = 0; |
| 1810 | |
| 1811 | qdepth = 1; |
| 1812 | sas_device_priv_data = sdev->hostdata; |
| 1813 | sas_device_priv_data->configured_lun = 1; |
| 1814 | sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; |
| 1815 | sas_target_priv_data = sas_device_priv_data->sas_target; |
| 1816 | handle = sas_target_priv_data->handle; |
| 1817 | |
| 1818 | /* raid volume handling */ |
| 1819 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { |
| 1820 | |
| 1821 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1822 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1823 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 1824 | if (!raid_device) { |
| 1825 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1826 | "failure at %s:%d/%s()!\n", ioc->name, __FILE__, |
| 1827 | __LINE__, __func__)); |
| 1828 | return 1; |
| 1829 | } |
| 1830 | |
| 1831 | if (_scsih_get_volume_capabilities(ioc, raid_device)) { |
| 1832 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1833 | "failure at %s:%d/%s()!\n", ioc->name, __FILE__, |
| 1834 | __LINE__, __func__)); |
| 1835 | return 1; |
| 1836 | } |
| 1837 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1838 | /* |
| 1839 | * WARPDRIVE: Initialize the required data for Direct IO |
| 1840 | */ |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1841 | mpt3sas_init_warpdrive_properties(ioc, raid_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1842 | |
| 1843 | /* RAID Queue Depth Support |
| 1844 | * IS volume = underlying qdepth of drive type, either |
| 1845 | * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH |
| 1846 | * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH) |
| 1847 | */ |
| 1848 | if (raid_device->device_info & |
| 1849 | MPI2_SAS_DEVICE_INFO_SSP_TARGET) { |
| 1850 | qdepth = MPT3SAS_SAS_QUEUE_DEPTH; |
| 1851 | ds = "SSP"; |
| 1852 | } else { |
| 1853 | qdepth = MPT3SAS_SATA_QUEUE_DEPTH; |
| 1854 | if (raid_device->device_info & |
| 1855 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| 1856 | ds = "SATA"; |
| 1857 | else |
| 1858 | ds = "STP"; |
| 1859 | } |
| 1860 | |
| 1861 | switch (raid_device->volume_type) { |
| 1862 | case MPI2_RAID_VOL_TYPE_RAID0: |
| 1863 | r_level = "RAID0"; |
| 1864 | break; |
| 1865 | case MPI2_RAID_VOL_TYPE_RAID1E: |
| 1866 | qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| 1867 | if (ioc->manu_pg10.OEMIdentifier && |
| 1868 | (le32_to_cpu(ioc->manu_pg10.GenericFlags0) & |
| 1869 | MFG10_GF0_R10_DISPLAY) && |
| 1870 | !(raid_device->num_pds % 2)) |
| 1871 | r_level = "RAID10"; |
| 1872 | else |
| 1873 | r_level = "RAID1E"; |
| 1874 | break; |
| 1875 | case MPI2_RAID_VOL_TYPE_RAID1: |
| 1876 | qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| 1877 | r_level = "RAID1"; |
| 1878 | break; |
| 1879 | case MPI2_RAID_VOL_TYPE_RAID10: |
| 1880 | qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| 1881 | r_level = "RAID10"; |
| 1882 | break; |
| 1883 | case MPI2_RAID_VOL_TYPE_UNKNOWN: |
| 1884 | default: |
| 1885 | qdepth = MPT3SAS_RAID_QUEUE_DEPTH; |
| 1886 | r_level = "RAIDX"; |
| 1887 | break; |
| 1888 | } |
| 1889 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1890 | if (!ioc->hide_ir_msg) |
| 1891 | sdev_printk(KERN_INFO, sdev, |
| 1892 | "%s: handle(0x%04x), wwid(0x%016llx)," |
| 1893 | " pd_count(%d), type(%s)\n", |
| 1894 | r_level, raid_device->handle, |
| 1895 | (unsigned long long)raid_device->wwid, |
| 1896 | raid_device->num_pds, ds); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1897 | |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1898 | scsih_change_queue_depth(sdev, qdepth); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1899 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 1900 | /* raid transport support */ |
| 1901 | if (!ioc->is_warpdrive) |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 1902 | _scsih_set_level(ioc, sdev, raid_device->volume_type); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1903 | return 0; |
| 1904 | } |
| 1905 | |
| 1906 | /* non-raid handling */ |
| 1907 | if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| 1908 | if (mpt3sas_config_get_volume_handle(ioc, handle, |
| 1909 | &volume_handle)) { |
| 1910 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1911 | "failure at %s:%d/%s()!\n", ioc->name, |
| 1912 | __FILE__, __LINE__, __func__)); |
| 1913 | return 1; |
| 1914 | } |
| 1915 | if (volume_handle && mpt3sas_config_get_volume_wwid(ioc, |
| 1916 | volume_handle, &volume_wwid)) { |
| 1917 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1918 | "failure at %s:%d/%s()!\n", ioc->name, |
| 1919 | __FILE__, __LINE__, __func__)); |
| 1920 | return 1; |
| 1921 | } |
| 1922 | } |
| 1923 | |
| 1924 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1925 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1926 | sas_device_priv_data->sas_target->sas_address); |
| 1927 | if (!sas_device) { |
| 1928 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1929 | dfailprintk(ioc, pr_warn(MPT3SAS_FMT |
| 1930 | "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, |
| 1931 | __func__)); |
| 1932 | return 1; |
| 1933 | } |
| 1934 | |
| 1935 | sas_device->volume_handle = volume_handle; |
| 1936 | sas_device->volume_wwid = volume_wwid; |
| 1937 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { |
| 1938 | qdepth = MPT3SAS_SAS_QUEUE_DEPTH; |
| 1939 | ssp_target = 1; |
| 1940 | ds = "SSP"; |
| 1941 | } else { |
| 1942 | qdepth = MPT3SAS_SATA_QUEUE_DEPTH; |
| 1943 | if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
| 1944 | ds = "STP"; |
| 1945 | else if (sas_device->device_info & |
| 1946 | MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| 1947 | ds = "SATA"; |
| 1948 | } |
| 1949 | |
| 1950 | sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \ |
| 1951 | "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", |
| 1952 | ds, handle, (unsigned long long)sas_device->sas_address, |
| 1953 | sas_device->phy, (unsigned long long)sas_device->device_name); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 1954 | if (sas_device->enclosure_handle != 0) |
| 1955 | sdev_printk(KERN_INFO, sdev, |
| 1956 | "%s: enclosure_logical_id(0x%016llx), slot(%d)\n", |
| 1957 | ds, (unsigned long long) |
| 1958 | sas_device->enclosure_logical_id, sas_device->slot); |
| 1959 | if (sas_device->connector_name[0] != '\0') |
| 1960 | sdev_printk(KERN_INFO, sdev, |
| 1961 | "%s: enclosure level(0x%04x), connector name( %s)\n", |
| 1962 | ds, sas_device->enclosure_level, |
| 1963 | sas_device->connector_name); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1964 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1965 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1966 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1967 | |
| 1968 | if (!ssp_target) |
| 1969 | _scsih_display_sata_capabilities(ioc, handle, sdev); |
| 1970 | |
| 1971 | |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1972 | scsih_change_queue_depth(sdev, qdepth); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1973 | |
| 1974 | if (ssp_target) { |
| 1975 | sas_read_port_mode_page(sdev); |
| 1976 | _scsih_enable_tlr(ioc, sdev); |
| 1977 | } |
| 1978 | |
| 1979 | return 0; |
| 1980 | } |
| 1981 | |
| 1982 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1983 | * scsih_bios_param - fetch head, sector, cylinder info for a disk |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1984 | * @sdev: scsi device struct |
| 1985 | * @bdev: pointer to block device context |
| 1986 | * @capacity: device size (in 512 byte sectors) |
| 1987 | * @params: three element array to place output: |
| 1988 | * params[0] number of heads (max 255) |
| 1989 | * params[1] number of sectors (max 63) |
| 1990 | * params[2] number of cylinders |
| 1991 | * |
| 1992 | * Return nothing. |
| 1993 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 1994 | int |
| 1995 | scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1996 | sector_t capacity, int params[]) |
| 1997 | { |
| 1998 | int heads; |
| 1999 | int sectors; |
| 2000 | sector_t cylinders; |
| 2001 | ulong dummy; |
| 2002 | |
| 2003 | heads = 64; |
| 2004 | sectors = 32; |
| 2005 | |
| 2006 | dummy = heads * sectors; |
| 2007 | cylinders = capacity; |
| 2008 | sector_div(cylinders, dummy); |
| 2009 | |
| 2010 | /* |
| 2011 | * Handle extended translation size for logical drives |
| 2012 | * > 1Gb |
| 2013 | */ |
| 2014 | if ((ulong)capacity >= 0x200000) { |
| 2015 | heads = 255; |
| 2016 | sectors = 63; |
| 2017 | dummy = heads * sectors; |
| 2018 | cylinders = capacity; |
| 2019 | sector_div(cylinders, dummy); |
| 2020 | } |
| 2021 | |
| 2022 | /* return result */ |
| 2023 | params[0] = heads; |
| 2024 | params[1] = sectors; |
| 2025 | params[2] = cylinders; |
| 2026 | |
| 2027 | return 0; |
| 2028 | } |
| 2029 | |
| 2030 | /** |
| 2031 | * _scsih_response_code - translation of device response code |
| 2032 | * @ioc: per adapter object |
| 2033 | * @response_code: response code returned by the device |
| 2034 | * |
| 2035 | * Return nothing. |
| 2036 | */ |
| 2037 | static void |
| 2038 | _scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code) |
| 2039 | { |
| 2040 | char *desc; |
| 2041 | |
| 2042 | switch (response_code) { |
| 2043 | case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE: |
| 2044 | desc = "task management request completed"; |
| 2045 | break; |
| 2046 | case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME: |
| 2047 | desc = "invalid frame"; |
| 2048 | break; |
| 2049 | case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: |
| 2050 | desc = "task management request not supported"; |
| 2051 | break; |
| 2052 | case MPI2_SCSITASKMGMT_RSP_TM_FAILED: |
| 2053 | desc = "task management request failed"; |
| 2054 | break; |
| 2055 | case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED: |
| 2056 | desc = "task management request succeeded"; |
| 2057 | break; |
| 2058 | case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN: |
| 2059 | desc = "invalid lun"; |
| 2060 | break; |
| 2061 | case 0xA: |
| 2062 | desc = "overlapped tag attempted"; |
| 2063 | break; |
| 2064 | case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: |
| 2065 | desc = "task queued, however not sent to target"; |
| 2066 | break; |
| 2067 | default: |
| 2068 | desc = "unknown"; |
| 2069 | break; |
| 2070 | } |
| 2071 | pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n", |
| 2072 | ioc->name, response_code, desc); |
| 2073 | } |
| 2074 | |
| 2075 | /** |
| 2076 | * _scsih_tm_done - tm completion routine |
| 2077 | * @ioc: per adapter object |
| 2078 | * @smid: system request message index |
| 2079 | * @msix_index: MSIX table index supplied by the OS |
| 2080 | * @reply: reply message frame(lower 32bit addr) |
| 2081 | * Context: none. |
| 2082 | * |
| 2083 | * The callback handler when using scsih_issue_tm. |
| 2084 | * |
| 2085 | * Return 1 meaning mf should be freed from _base_interrupt |
| 2086 | * 0 means the mf is freed from this function. |
| 2087 | */ |
| 2088 | static u8 |
| 2089 | _scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| 2090 | { |
| 2091 | MPI2DefaultReply_t *mpi_reply; |
| 2092 | |
| 2093 | if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED) |
| 2094 | return 1; |
| 2095 | if (ioc->tm_cmds.smid != smid) |
| 2096 | return 1; |
| 2097 | mpt3sas_base_flush_reply_queues(ioc); |
| 2098 | ioc->tm_cmds.status |= MPT3_CMD_COMPLETE; |
| 2099 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 2100 | if (mpi_reply) { |
| 2101 | memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); |
| 2102 | ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID; |
| 2103 | } |
| 2104 | ioc->tm_cmds.status &= ~MPT3_CMD_PENDING; |
| 2105 | complete(&ioc->tm_cmds.done); |
| 2106 | return 1; |
| 2107 | } |
| 2108 | |
| 2109 | /** |
| 2110 | * mpt3sas_scsih_set_tm_flag - set per target tm_busy |
| 2111 | * @ioc: per adapter object |
| 2112 | * @handle: device handle |
| 2113 | * |
| 2114 | * During taskmangement request, we need to freeze the device queue. |
| 2115 | */ |
| 2116 | void |
| 2117 | mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 2118 | { |
| 2119 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2120 | struct scsi_device *sdev; |
| 2121 | u8 skip = 0; |
| 2122 | |
| 2123 | shost_for_each_device(sdev, ioc->shost) { |
| 2124 | if (skip) |
| 2125 | continue; |
| 2126 | sas_device_priv_data = sdev->hostdata; |
| 2127 | if (!sas_device_priv_data) |
| 2128 | continue; |
| 2129 | if (sas_device_priv_data->sas_target->handle == handle) { |
| 2130 | sas_device_priv_data->sas_target->tm_busy = 1; |
| 2131 | skip = 1; |
| 2132 | ioc->ignore_loginfos = 1; |
| 2133 | } |
| 2134 | } |
| 2135 | } |
| 2136 | |
| 2137 | /** |
| 2138 | * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy |
| 2139 | * @ioc: per adapter object |
| 2140 | * @handle: device handle |
| 2141 | * |
| 2142 | * During taskmangement request, we need to freeze the device queue. |
| 2143 | */ |
| 2144 | void |
| 2145 | mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 2146 | { |
| 2147 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2148 | struct scsi_device *sdev; |
| 2149 | u8 skip = 0; |
| 2150 | |
| 2151 | shost_for_each_device(sdev, ioc->shost) { |
| 2152 | if (skip) |
| 2153 | continue; |
| 2154 | sas_device_priv_data = sdev->hostdata; |
| 2155 | if (!sas_device_priv_data) |
| 2156 | continue; |
| 2157 | if (sas_device_priv_data->sas_target->handle == handle) { |
| 2158 | sas_device_priv_data->sas_target->tm_busy = 0; |
| 2159 | skip = 1; |
| 2160 | ioc->ignore_loginfos = 0; |
| 2161 | } |
| 2162 | } |
| 2163 | } |
| 2164 | |
| 2165 | /** |
| 2166 | * mpt3sas_scsih_issue_tm - main routine for sending tm requests |
| 2167 | * @ioc: per adapter struct |
| 2168 | * @device_handle: device handle |
| 2169 | * @channel: the channel assigned by the OS |
| 2170 | * @id: the id assigned by the OS |
| 2171 | * @lun: lun number |
| 2172 | * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) |
| 2173 | * @smid_task: smid assigned to the task |
| 2174 | * @timeout: timeout in seconds |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2175 | * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF |
| 2176 | * Context: user |
| 2177 | * |
| 2178 | * A generic API for sending task management requests to firmware. |
| 2179 | * |
| 2180 | * The callback index is set inside `ioc->tm_cb_idx`. |
| 2181 | * |
| 2182 | * Return SUCCESS or FAILED. |
| 2183 | */ |
| 2184 | int |
| 2185 | mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel, |
| 2186 | uint id, uint lun, u8 type, u16 smid_task, ulong timeout, |
Matthew Wilcox | c62e46d | 2014-03-27 16:40:30 -0400 | [diff] [blame] | 2187 | enum mutex_type m_type) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2188 | { |
| 2189 | Mpi2SCSITaskManagementRequest_t *mpi_request; |
| 2190 | Mpi2SCSITaskManagementReply_t *mpi_reply; |
| 2191 | u16 smid = 0; |
| 2192 | u32 ioc_state; |
| 2193 | unsigned long timeleft; |
| 2194 | struct scsiio_tracker *scsi_lookup = NULL; |
| 2195 | int rc; |
| 2196 | |
| 2197 | if (m_type == TM_MUTEX_ON) |
| 2198 | mutex_lock(&ioc->tm_cmds.mutex); |
| 2199 | if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) { |
| 2200 | pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n", |
| 2201 | __func__, ioc->name); |
| 2202 | rc = FAILED; |
| 2203 | goto err_out; |
| 2204 | } |
| 2205 | |
| 2206 | if (ioc->shost_recovery || ioc->remove_host || |
| 2207 | ioc->pci_error_recovery) { |
| 2208 | pr_info(MPT3SAS_FMT "%s: host reset in progress!\n", |
| 2209 | __func__, ioc->name); |
| 2210 | rc = FAILED; |
| 2211 | goto err_out; |
| 2212 | } |
| 2213 | |
| 2214 | ioc_state = mpt3sas_base_get_iocstate(ioc, 0); |
| 2215 | if (ioc_state & MPI2_DOORBELL_USED) { |
| 2216 | dhsprintk(ioc, pr_info(MPT3SAS_FMT |
| 2217 | "unexpected doorbell active!\n", ioc->name)); |
| 2218 | rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 2219 | FORCE_BIG_HAMMER); |
| 2220 | rc = (!rc) ? SUCCESS : FAILED; |
| 2221 | goto err_out; |
| 2222 | } |
| 2223 | |
| 2224 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
| 2225 | mpt3sas_base_fault_info(ioc, ioc_state & |
| 2226 | MPI2_DOORBELL_DATA_MASK); |
| 2227 | rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 2228 | FORCE_BIG_HAMMER); |
| 2229 | rc = (!rc) ? SUCCESS : FAILED; |
| 2230 | goto err_out; |
| 2231 | } |
| 2232 | |
| 2233 | smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); |
| 2234 | if (!smid) { |
| 2235 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", |
| 2236 | ioc->name, __func__); |
| 2237 | rc = FAILED; |
| 2238 | goto err_out; |
| 2239 | } |
| 2240 | |
| 2241 | if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) |
| 2242 | scsi_lookup = &ioc->scsi_lookup[smid_task - 1]; |
| 2243 | |
| 2244 | dtmprintk(ioc, pr_info(MPT3SAS_FMT |
| 2245 | "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n", |
| 2246 | ioc->name, handle, type, smid_task)); |
| 2247 | ioc->tm_cmds.status = MPT3_CMD_PENDING; |
| 2248 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 2249 | ioc->tm_cmds.smid = smid; |
| 2250 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| 2251 | memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t)); |
| 2252 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| 2253 | mpi_request->DevHandle = cpu_to_le16(handle); |
| 2254 | mpi_request->TaskType = type; |
| 2255 | mpi_request->TaskMID = cpu_to_le16(smid_task); |
| 2256 | int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); |
| 2257 | mpt3sas_scsih_set_tm_flag(ioc, handle); |
| 2258 | init_completion(&ioc->tm_cmds.done); |
| 2259 | mpt3sas_base_put_smid_hi_priority(ioc, smid); |
| 2260 | timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); |
| 2261 | if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) { |
| 2262 | pr_err(MPT3SAS_FMT "%s: timeout\n", |
| 2263 | ioc->name, __func__); |
| 2264 | _debug_dump_mf(mpi_request, |
| 2265 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); |
| 2266 | if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) { |
| 2267 | rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 2268 | FORCE_BIG_HAMMER); |
| 2269 | rc = (!rc) ? SUCCESS : FAILED; |
| 2270 | ioc->tm_cmds.status = MPT3_CMD_NOT_USED; |
| 2271 | mpt3sas_scsih_clear_tm_flag(ioc, handle); |
| 2272 | goto err_out; |
| 2273 | } |
| 2274 | } |
| 2275 | |
| 2276 | if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) { |
| 2277 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT); |
| 2278 | mpi_reply = ioc->tm_cmds.reply; |
| 2279 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \ |
| 2280 | "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n", |
| 2281 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), |
| 2282 | le32_to_cpu(mpi_reply->IOCLogInfo), |
| 2283 | le32_to_cpu(mpi_reply->TerminationCount))); |
| 2284 | if (ioc->logging_level & MPT_DEBUG_TM) { |
| 2285 | _scsih_response_code(ioc, mpi_reply->ResponseCode); |
| 2286 | if (mpi_reply->IOCStatus) |
| 2287 | _debug_dump_mf(mpi_request, |
| 2288 | sizeof(Mpi2SCSITaskManagementRequest_t)/4); |
| 2289 | } |
| 2290 | } |
| 2291 | |
| 2292 | switch (type) { |
| 2293 | case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: |
| 2294 | rc = SUCCESS; |
| 2295 | if (scsi_lookup->scmd == NULL) |
| 2296 | break; |
| 2297 | rc = FAILED; |
| 2298 | break; |
| 2299 | |
| 2300 | case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: |
| 2301 | if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) |
| 2302 | rc = FAILED; |
| 2303 | else |
| 2304 | rc = SUCCESS; |
| 2305 | break; |
| 2306 | case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: |
| 2307 | case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: |
| 2308 | if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) |
| 2309 | rc = FAILED; |
| 2310 | else |
| 2311 | rc = SUCCESS; |
| 2312 | break; |
| 2313 | case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: |
| 2314 | rc = SUCCESS; |
| 2315 | break; |
| 2316 | default: |
| 2317 | rc = FAILED; |
| 2318 | break; |
| 2319 | } |
| 2320 | |
| 2321 | mpt3sas_scsih_clear_tm_flag(ioc, handle); |
| 2322 | ioc->tm_cmds.status = MPT3_CMD_NOT_USED; |
| 2323 | if (m_type == TM_MUTEX_ON) |
| 2324 | mutex_unlock(&ioc->tm_cmds.mutex); |
| 2325 | |
| 2326 | return rc; |
| 2327 | |
| 2328 | err_out: |
| 2329 | if (m_type == TM_MUTEX_ON) |
| 2330 | mutex_unlock(&ioc->tm_cmds.mutex); |
| 2331 | return rc; |
| 2332 | } |
| 2333 | |
| 2334 | /** |
| 2335 | * _scsih_tm_display_info - displays info about the device |
| 2336 | * @ioc: per adapter struct |
| 2337 | * @scmd: pointer to scsi command object |
| 2338 | * |
| 2339 | * Called by task management callback handlers. |
| 2340 | */ |
| 2341 | static void |
| 2342 | _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) |
| 2343 | { |
| 2344 | struct scsi_target *starget = scmd->device->sdev_target; |
| 2345 | struct MPT3SAS_TARGET *priv_target = starget->hostdata; |
| 2346 | struct _sas_device *sas_device = NULL; |
| 2347 | unsigned long flags; |
| 2348 | char *device_str = NULL; |
| 2349 | |
| 2350 | if (!priv_target) |
| 2351 | return; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 2352 | if (ioc->hide_ir_msg) |
| 2353 | device_str = "WarpDrive"; |
| 2354 | else |
| 2355 | device_str = "volume"; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2356 | |
| 2357 | scsi_print_command(scmd); |
| 2358 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| 2359 | starget_printk(KERN_INFO, starget, |
| 2360 | "%s handle(0x%04x), %s wwid(0x%016llx)\n", |
| 2361 | device_str, priv_target->handle, |
| 2362 | device_str, (unsigned long long)priv_target->sas_address); |
| 2363 | } else { |
| 2364 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2365 | sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2366 | if (sas_device) { |
| 2367 | if (priv_target->flags & |
| 2368 | MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| 2369 | starget_printk(KERN_INFO, starget, |
| 2370 | "volume handle(0x%04x), " |
| 2371 | "volume wwid(0x%016llx)\n", |
| 2372 | sas_device->volume_handle, |
| 2373 | (unsigned long long)sas_device->volume_wwid); |
| 2374 | } |
| 2375 | starget_printk(KERN_INFO, starget, |
| 2376 | "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", |
| 2377 | sas_device->handle, |
| 2378 | (unsigned long long)sas_device->sas_address, |
| 2379 | sas_device->phy); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 2380 | if (sas_device->enclosure_handle != 0) |
| 2381 | starget_printk(KERN_INFO, starget, |
| 2382 | "enclosure_logical_id(0x%016llx), slot(%d)\n", |
| 2383 | (unsigned long long) |
| 2384 | sas_device->enclosure_logical_id, |
| 2385 | sas_device->slot); |
| 2386 | if (sas_device->connector_name) |
| 2387 | starget_printk(KERN_INFO, starget, |
| 2388 | "enclosure level(0x%04x),connector name(%s)\n", |
| 2389 | sas_device->enclosure_level, |
| 2390 | sas_device->connector_name); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2391 | |
| 2392 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2393 | } |
| 2394 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 2395 | } |
| 2396 | } |
| 2397 | |
| 2398 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2399 | * scsih_abort - eh threads main abort routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2400 | * @scmd: pointer to scsi command object |
| 2401 | * |
| 2402 | * Returns SUCCESS if command aborted else FAILED |
| 2403 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2404 | int |
| 2405 | scsih_abort(struct scsi_cmnd *scmd) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2406 | { |
| 2407 | struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| 2408 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2409 | u16 smid; |
| 2410 | u16 handle; |
| 2411 | int r; |
| 2412 | |
| 2413 | sdev_printk(KERN_INFO, scmd->device, |
| 2414 | "attempting task abort! scmd(%p)\n", scmd); |
| 2415 | _scsih_tm_display_info(ioc, scmd); |
| 2416 | |
| 2417 | sas_device_priv_data = scmd->device->hostdata; |
| 2418 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| 2419 | sdev_printk(KERN_INFO, scmd->device, |
| 2420 | "device been deleted! scmd(%p)\n", scmd); |
| 2421 | scmd->result = DID_NO_CONNECT << 16; |
| 2422 | scmd->scsi_done(scmd); |
| 2423 | r = SUCCESS; |
| 2424 | goto out; |
| 2425 | } |
| 2426 | |
| 2427 | /* search for the command */ |
| 2428 | smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd); |
| 2429 | if (!smid) { |
| 2430 | scmd->result = DID_RESET << 16; |
| 2431 | r = SUCCESS; |
| 2432 | goto out; |
| 2433 | } |
| 2434 | |
| 2435 | /* for hidden raid components and volumes this is not supported */ |
| 2436 | if (sas_device_priv_data->sas_target->flags & |
| 2437 | MPT_TARGET_FLAGS_RAID_COMPONENT || |
| 2438 | sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| 2439 | scmd->result = DID_RESET << 16; |
| 2440 | r = FAILED; |
| 2441 | goto out; |
| 2442 | } |
| 2443 | |
| 2444 | mpt3sas_halt_firmware(ioc); |
| 2445 | |
| 2446 | handle = sas_device_priv_data->sas_target->handle; |
| 2447 | r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
| 2448 | scmd->device->id, scmd->device->lun, |
Matthew Wilcox | c62e46d | 2014-03-27 16:40:30 -0400 | [diff] [blame] | 2449 | MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2450 | |
| 2451 | out: |
| 2452 | sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", |
| 2453 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| 2454 | return r; |
| 2455 | } |
| 2456 | |
| 2457 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2458 | * scsih_dev_reset - eh threads main device reset routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2459 | * @scmd: pointer to scsi command object |
| 2460 | * |
| 2461 | * Returns SUCCESS if command aborted else FAILED |
| 2462 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2463 | int |
| 2464 | scsih_dev_reset(struct scsi_cmnd *scmd) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2465 | { |
| 2466 | struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| 2467 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2468 | struct _sas_device *sas_device = NULL; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2469 | u16 handle; |
| 2470 | int r; |
| 2471 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2472 | struct scsi_target *starget = scmd->device->sdev_target; |
| 2473 | struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; |
| 2474 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2475 | sdev_printk(KERN_INFO, scmd->device, |
| 2476 | "attempting device reset! scmd(%p)\n", scmd); |
| 2477 | _scsih_tm_display_info(ioc, scmd); |
| 2478 | |
| 2479 | sas_device_priv_data = scmd->device->hostdata; |
| 2480 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| 2481 | sdev_printk(KERN_INFO, scmd->device, |
| 2482 | "device been deleted! scmd(%p)\n", scmd); |
| 2483 | scmd->result = DID_NO_CONNECT << 16; |
| 2484 | scmd->scsi_done(scmd); |
| 2485 | r = SUCCESS; |
| 2486 | goto out; |
| 2487 | } |
| 2488 | |
| 2489 | /* for hidden raid components obtain the volume_handle */ |
| 2490 | handle = 0; |
| 2491 | if (sas_device_priv_data->sas_target->flags & |
| 2492 | MPT_TARGET_FLAGS_RAID_COMPONENT) { |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2493 | sas_device = mpt3sas_get_sdev_from_target(ioc, |
| 2494 | target_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2495 | if (sas_device) |
| 2496 | handle = sas_device->volume_handle; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2497 | } else |
| 2498 | handle = sas_device_priv_data->sas_target->handle; |
| 2499 | |
| 2500 | if (!handle) { |
| 2501 | scmd->result = DID_RESET << 16; |
| 2502 | r = FAILED; |
| 2503 | goto out; |
| 2504 | } |
| 2505 | |
| 2506 | r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
| 2507 | scmd->device->id, scmd->device->lun, |
Matthew Wilcox | c62e46d | 2014-03-27 16:40:30 -0400 | [diff] [blame] | 2508 | MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2509 | |
| 2510 | out: |
| 2511 | sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", |
| 2512 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2513 | |
| 2514 | if (sas_device) |
| 2515 | sas_device_put(sas_device); |
| 2516 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2517 | return r; |
| 2518 | } |
| 2519 | |
| 2520 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2521 | * scsih_target_reset - eh threads main target reset routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2522 | * @scmd: pointer to scsi command object |
| 2523 | * |
| 2524 | * Returns SUCCESS if command aborted else FAILED |
| 2525 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2526 | int |
| 2527 | scsih_target_reset(struct scsi_cmnd *scmd) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2528 | { |
| 2529 | struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| 2530 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2531 | struct _sas_device *sas_device = NULL; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2532 | u16 handle; |
| 2533 | int r; |
| 2534 | struct scsi_target *starget = scmd->device->sdev_target; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2535 | struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2536 | |
| 2537 | starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n", |
| 2538 | scmd); |
| 2539 | _scsih_tm_display_info(ioc, scmd); |
| 2540 | |
| 2541 | sas_device_priv_data = scmd->device->hostdata; |
| 2542 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| 2543 | starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n", |
| 2544 | scmd); |
| 2545 | scmd->result = DID_NO_CONNECT << 16; |
| 2546 | scmd->scsi_done(scmd); |
| 2547 | r = SUCCESS; |
| 2548 | goto out; |
| 2549 | } |
| 2550 | |
| 2551 | /* for hidden raid components obtain the volume_handle */ |
| 2552 | handle = 0; |
| 2553 | if (sas_device_priv_data->sas_target->flags & |
| 2554 | MPT_TARGET_FLAGS_RAID_COMPONENT) { |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2555 | sas_device = mpt3sas_get_sdev_from_target(ioc, |
| 2556 | target_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2557 | if (sas_device) |
| 2558 | handle = sas_device->volume_handle; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2559 | } else |
| 2560 | handle = sas_device_priv_data->sas_target->handle; |
| 2561 | |
| 2562 | if (!handle) { |
| 2563 | scmd->result = DID_RESET << 16; |
| 2564 | r = FAILED; |
| 2565 | goto out; |
| 2566 | } |
| 2567 | |
| 2568 | r = mpt3sas_scsih_issue_tm(ioc, handle, scmd->device->channel, |
| 2569 | scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, |
Matthew Wilcox | c62e46d | 2014-03-27 16:40:30 -0400 | [diff] [blame] | 2570 | 30, TM_MUTEX_ON); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2571 | |
| 2572 | out: |
| 2573 | starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", |
| 2574 | ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2575 | |
| 2576 | if (sas_device) |
| 2577 | sas_device_put(sas_device); |
| 2578 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2579 | return r; |
| 2580 | } |
| 2581 | |
| 2582 | |
| 2583 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2584 | * scsih_host_reset - eh threads main host reset routine |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2585 | * @scmd: pointer to scsi command object |
| 2586 | * |
| 2587 | * Returns SUCCESS if command aborted else FAILED |
| 2588 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 2589 | int |
| 2590 | scsih_host_reset(struct scsi_cmnd *scmd) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2591 | { |
| 2592 | struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); |
| 2593 | int r, retval; |
| 2594 | |
| 2595 | pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n", |
| 2596 | ioc->name, scmd); |
| 2597 | scsi_print_command(scmd); |
| 2598 | |
Sreekanth Reddy | ddb588b | 2015-01-12 11:38:57 +0530 | [diff] [blame] | 2599 | if (ioc->is_driver_loading) { |
| 2600 | pr_info(MPT3SAS_FMT "Blocking the host reset\n", |
| 2601 | ioc->name); |
| 2602 | r = FAILED; |
| 2603 | goto out; |
| 2604 | } |
| 2605 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2606 | retval = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 2607 | FORCE_BIG_HAMMER); |
| 2608 | r = (retval < 0) ? FAILED : SUCCESS; |
Sreekanth Reddy | ddb588b | 2015-01-12 11:38:57 +0530 | [diff] [blame] | 2609 | out: |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2610 | pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n", |
| 2611 | ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); |
| 2612 | |
| 2613 | return r; |
| 2614 | } |
| 2615 | |
| 2616 | /** |
| 2617 | * _scsih_fw_event_add - insert and queue up fw_event |
| 2618 | * @ioc: per adapter object |
| 2619 | * @fw_event: object describing the event |
| 2620 | * Context: This function will acquire ioc->fw_event_lock. |
| 2621 | * |
| 2622 | * This adds the firmware event object into link list, then queues it up to |
| 2623 | * be processed from user context. |
| 2624 | * |
| 2625 | * Return nothing. |
| 2626 | */ |
| 2627 | static void |
| 2628 | _scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) |
| 2629 | { |
| 2630 | unsigned long flags; |
| 2631 | |
| 2632 | if (ioc->firmware_event_thread == NULL) |
| 2633 | return; |
| 2634 | |
| 2635 | spin_lock_irqsave(&ioc->fw_event_lock, flags); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2636 | fw_event_work_get(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2637 | INIT_LIST_HEAD(&fw_event->list); |
| 2638 | list_add_tail(&fw_event->list, &ioc->fw_event_list); |
| 2639 | INIT_WORK(&fw_event->work, _firmware_event_work); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2640 | fw_event_work_get(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2641 | queue_work(ioc->firmware_event_thread, &fw_event->work); |
| 2642 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| 2643 | } |
| 2644 | |
| 2645 | /** |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2646 | * _scsih_fw_event_del_from_list - delete fw_event from the list |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2647 | * @ioc: per adapter object |
| 2648 | * @fw_event: object describing the event |
| 2649 | * Context: This function will acquire ioc->fw_event_lock. |
| 2650 | * |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2651 | * If the fw_event is on the fw_event_list, remove it and do a put. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2652 | * |
| 2653 | * Return nothing. |
| 2654 | */ |
| 2655 | static void |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2656 | _scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2657 | *fw_event) |
| 2658 | { |
| 2659 | unsigned long flags; |
| 2660 | |
| 2661 | spin_lock_irqsave(&ioc->fw_event_lock, flags); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2662 | if (!list_empty(&fw_event->list)) { |
| 2663 | list_del_init(&fw_event->list); |
| 2664 | fw_event_work_put(fw_event); |
| 2665 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2666 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| 2667 | } |
| 2668 | |
| 2669 | |
| 2670 | /** |
| 2671 | * mpt3sas_send_trigger_data_event - send event for processing trigger data |
| 2672 | * @ioc: per adapter object |
| 2673 | * @event_data: trigger event data |
| 2674 | * |
| 2675 | * Return nothing. |
| 2676 | */ |
| 2677 | void |
| 2678 | mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc, |
| 2679 | struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data) |
| 2680 | { |
| 2681 | struct fw_event_work *fw_event; |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2682 | u16 sz; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2683 | |
| 2684 | if (ioc->is_driver_loading) |
| 2685 | return; |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2686 | sz = sizeof(*event_data); |
| 2687 | fw_event = alloc_fw_event_work(sz); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2688 | if (!fw_event) |
| 2689 | return; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2690 | fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG; |
| 2691 | fw_event->ioc = ioc; |
| 2692 | memcpy(fw_event->event_data, event_data, sizeof(*event_data)); |
| 2693 | _scsih_fw_event_add(ioc, fw_event); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2694 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2695 | } |
| 2696 | |
| 2697 | /** |
| 2698 | * _scsih_error_recovery_delete_devices - remove devices not responding |
| 2699 | * @ioc: per adapter object |
| 2700 | * |
| 2701 | * Return nothing. |
| 2702 | */ |
| 2703 | static void |
| 2704 | _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc) |
| 2705 | { |
| 2706 | struct fw_event_work *fw_event; |
| 2707 | |
| 2708 | if (ioc->is_driver_loading) |
| 2709 | return; |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2710 | fw_event = alloc_fw_event_work(0); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2711 | if (!fw_event) |
| 2712 | return; |
| 2713 | fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES; |
| 2714 | fw_event->ioc = ioc; |
| 2715 | _scsih_fw_event_add(ioc, fw_event); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2716 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2717 | } |
| 2718 | |
| 2719 | /** |
| 2720 | * mpt3sas_port_enable_complete - port enable completed (fake event) |
| 2721 | * @ioc: per adapter object |
| 2722 | * |
| 2723 | * Return nothing. |
| 2724 | */ |
| 2725 | void |
| 2726 | mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc) |
| 2727 | { |
| 2728 | struct fw_event_work *fw_event; |
| 2729 | |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2730 | fw_event = alloc_fw_event_work(0); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2731 | if (!fw_event) |
| 2732 | return; |
| 2733 | fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE; |
| 2734 | fw_event->ioc = ioc; |
| 2735 | _scsih_fw_event_add(ioc, fw_event); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2736 | fw_event_work_put(fw_event); |
| 2737 | } |
| 2738 | |
| 2739 | static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc) |
| 2740 | { |
| 2741 | unsigned long flags; |
| 2742 | struct fw_event_work *fw_event = NULL; |
| 2743 | |
| 2744 | spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| 2745 | if (!list_empty(&ioc->fw_event_list)) { |
| 2746 | fw_event = list_first_entry(&ioc->fw_event_list, |
| 2747 | struct fw_event_work, list); |
| 2748 | list_del_init(&fw_event->list); |
| 2749 | } |
| 2750 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| 2751 | |
| 2752 | return fw_event; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2753 | } |
| 2754 | |
| 2755 | /** |
| 2756 | * _scsih_fw_event_cleanup_queue - cleanup event queue |
| 2757 | * @ioc: per adapter object |
| 2758 | * |
| 2759 | * Walk the firmware event queue, either killing timers, or waiting |
| 2760 | * for outstanding events to complete |
| 2761 | * |
| 2762 | * Return nothing. |
| 2763 | */ |
| 2764 | static void |
| 2765 | _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc) |
| 2766 | { |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2767 | struct fw_event_work *fw_event; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2768 | |
| 2769 | if (list_empty(&ioc->fw_event_list) || |
| 2770 | !ioc->firmware_event_thread || in_interrupt()) |
| 2771 | return; |
| 2772 | |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 2773 | while ((fw_event = dequeue_next_fw_event(ioc))) { |
| 2774 | /* |
| 2775 | * Wait on the fw_event to complete. If this returns 1, then |
| 2776 | * the event was never executed, and we need a put for the |
| 2777 | * reference the delayed_work had on the fw_event. |
| 2778 | * |
| 2779 | * If it did execute, we wait for it to finish, and the put will |
| 2780 | * happen from _firmware_event_work() |
| 2781 | */ |
| 2782 | if (cancel_delayed_work_sync(&fw_event->delayed_work)) |
| 2783 | fw_event_work_put(fw_event); |
| 2784 | |
| 2785 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2786 | } |
| 2787 | } |
| 2788 | |
| 2789 | /** |
Sreekanth Reddy | df838f9 | 2015-06-30 12:25:05 +0530 | [diff] [blame] | 2790 | * _scsih_internal_device_block - block the sdev device |
| 2791 | * @sdev: per device object |
| 2792 | * @sas_device_priv_data : per device driver private data |
| 2793 | * |
| 2794 | * make sure device is blocked without error, if not |
| 2795 | * print an error |
| 2796 | */ |
| 2797 | static void |
| 2798 | _scsih_internal_device_block(struct scsi_device *sdev, |
| 2799 | struct MPT3SAS_DEVICE *sas_device_priv_data) |
| 2800 | { |
| 2801 | int r = 0; |
| 2802 | |
| 2803 | sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n", |
| 2804 | sas_device_priv_data->sas_target->handle); |
| 2805 | sas_device_priv_data->block = 1; |
| 2806 | |
| 2807 | r = scsi_internal_device_block(sdev); |
| 2808 | if (r == -EINVAL) |
| 2809 | sdev_printk(KERN_WARNING, sdev, |
| 2810 | "device_block failed with return(%d) for handle(0x%04x)\n", |
| 2811 | sas_device_priv_data->sas_target->handle, r); |
| 2812 | } |
| 2813 | |
| 2814 | /** |
| 2815 | * _scsih_internal_device_unblock - unblock the sdev device |
| 2816 | * @sdev: per device object |
| 2817 | * @sas_device_priv_data : per device driver private data |
| 2818 | * make sure device is unblocked without error, if not retry |
| 2819 | * by blocking and then unblocking |
| 2820 | */ |
| 2821 | |
| 2822 | static void |
| 2823 | _scsih_internal_device_unblock(struct scsi_device *sdev, |
| 2824 | struct MPT3SAS_DEVICE *sas_device_priv_data) |
| 2825 | { |
| 2826 | int r = 0; |
| 2827 | |
| 2828 | sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, " |
| 2829 | "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle); |
| 2830 | sas_device_priv_data->block = 0; |
| 2831 | r = scsi_internal_device_unblock(sdev, SDEV_RUNNING); |
| 2832 | if (r == -EINVAL) { |
| 2833 | /* The device has been set to SDEV_RUNNING by SD layer during |
| 2834 | * device addition but the request queue is still stopped by |
| 2835 | * our earlier block call. We need to perform a block again |
| 2836 | * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */ |
| 2837 | |
| 2838 | sdev_printk(KERN_WARNING, sdev, |
| 2839 | "device_unblock failed with return(%d) for handle(0x%04x) " |
| 2840 | "performing a block followed by an unblock\n", |
| 2841 | sas_device_priv_data->sas_target->handle, r); |
| 2842 | sas_device_priv_data->block = 1; |
| 2843 | r = scsi_internal_device_block(sdev); |
| 2844 | if (r) |
| 2845 | sdev_printk(KERN_WARNING, sdev, "retried device_block " |
| 2846 | "failed with return(%d) for handle(0x%04x)\n", |
| 2847 | sas_device_priv_data->sas_target->handle, r); |
| 2848 | |
| 2849 | sas_device_priv_data->block = 0; |
| 2850 | r = scsi_internal_device_unblock(sdev, SDEV_RUNNING); |
| 2851 | if (r) |
| 2852 | sdev_printk(KERN_WARNING, sdev, "retried device_unblock" |
| 2853 | " failed with return(%d) for handle(0x%04x)\n", |
| 2854 | sas_device_priv_data->sas_target->handle, r); |
| 2855 | } |
| 2856 | } |
| 2857 | |
| 2858 | /** |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2859 | * _scsih_ublock_io_all_device - unblock every device |
| 2860 | * @ioc: per adapter object |
| 2861 | * |
| 2862 | * change the device state from block to running |
| 2863 | */ |
| 2864 | static void |
| 2865 | _scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc) |
| 2866 | { |
| 2867 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2868 | struct scsi_device *sdev; |
| 2869 | |
| 2870 | shost_for_each_device(sdev, ioc->shost) { |
| 2871 | sas_device_priv_data = sdev->hostdata; |
| 2872 | if (!sas_device_priv_data) |
| 2873 | continue; |
| 2874 | if (!sas_device_priv_data->block) |
| 2875 | continue; |
| 2876 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2877 | dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, |
| 2878 | "device_running, handle(0x%04x)\n", |
| 2879 | sas_device_priv_data->sas_target->handle)); |
Sreekanth Reddy | df838f9 | 2015-06-30 12:25:05 +0530 | [diff] [blame] | 2880 | _scsih_internal_device_unblock(sdev, sas_device_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2881 | } |
| 2882 | } |
| 2883 | |
| 2884 | |
| 2885 | /** |
| 2886 | * _scsih_ublock_io_device - prepare device to be deleted |
| 2887 | * @ioc: per adapter object |
| 2888 | * @sas_addr: sas address |
| 2889 | * |
| 2890 | * unblock then put device in offline state |
| 2891 | */ |
| 2892 | static void |
| 2893 | _scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) |
| 2894 | { |
| 2895 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2896 | struct scsi_device *sdev; |
| 2897 | |
| 2898 | shost_for_each_device(sdev, ioc->shost) { |
| 2899 | sas_device_priv_data = sdev->hostdata; |
| 2900 | if (!sas_device_priv_data) |
| 2901 | continue; |
| 2902 | if (sas_device_priv_data->sas_target->sas_address |
| 2903 | != sas_address) |
| 2904 | continue; |
Sreekanth Reddy | df838f9 | 2015-06-30 12:25:05 +0530 | [diff] [blame] | 2905 | if (sas_device_priv_data->block) |
| 2906 | _scsih_internal_device_unblock(sdev, |
| 2907 | sas_device_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2908 | } |
| 2909 | } |
| 2910 | |
| 2911 | /** |
| 2912 | * _scsih_block_io_all_device - set the device state to SDEV_BLOCK |
| 2913 | * @ioc: per adapter object |
| 2914 | * @handle: device handle |
| 2915 | * |
| 2916 | * During device pull we need to appropiately set the sdev state. |
| 2917 | */ |
| 2918 | static void |
| 2919 | _scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc) |
| 2920 | { |
| 2921 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2922 | struct scsi_device *sdev; |
| 2923 | |
| 2924 | shost_for_each_device(sdev, ioc->shost) { |
| 2925 | sas_device_priv_data = sdev->hostdata; |
| 2926 | if (!sas_device_priv_data) |
| 2927 | continue; |
| 2928 | if (sas_device_priv_data->block) |
| 2929 | continue; |
Sreekanth Reddy | df838f9 | 2015-06-30 12:25:05 +0530 | [diff] [blame] | 2930 | _scsih_internal_device_block(sdev, sas_device_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2931 | } |
| 2932 | } |
| 2933 | |
| 2934 | /** |
| 2935 | * _scsih_block_io_device - set the device state to SDEV_BLOCK |
| 2936 | * @ioc: per adapter object |
| 2937 | * @handle: device handle |
| 2938 | * |
| 2939 | * During device pull we need to appropiately set the sdev state. |
| 2940 | */ |
| 2941 | static void |
| 2942 | _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 2943 | { |
| 2944 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 2945 | struct scsi_device *sdev; |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 2946 | struct _sas_device *sas_device; |
| 2947 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2948 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 2949 | if (!sas_device) |
| 2950 | return; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2951 | |
| 2952 | shost_for_each_device(sdev, ioc->shost) { |
| 2953 | sas_device_priv_data = sdev->hostdata; |
| 2954 | if (!sas_device_priv_data) |
| 2955 | continue; |
| 2956 | if (sas_device_priv_data->sas_target->handle != handle) |
| 2957 | continue; |
| 2958 | if (sas_device_priv_data->block) |
| 2959 | continue; |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 2960 | if (sas_device->pend_sas_rphy_add) |
| 2961 | continue; |
Sreekanth Reddy | df838f9 | 2015-06-30 12:25:05 +0530 | [diff] [blame] | 2962 | _scsih_internal_device_block(sdev, sas_device_priv_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2963 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2964 | |
| 2965 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2966 | } |
| 2967 | |
| 2968 | /** |
| 2969 | * _scsih_block_io_to_children_attached_to_ex |
| 2970 | * @ioc: per adapter object |
| 2971 | * @sas_expander: the sas_device object |
| 2972 | * |
| 2973 | * This routine set sdev state to SDEV_BLOCK for all devices |
| 2974 | * attached to this expander. This function called when expander is |
| 2975 | * pulled. |
| 2976 | */ |
| 2977 | static void |
| 2978 | _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc, |
| 2979 | struct _sas_node *sas_expander) |
| 2980 | { |
| 2981 | struct _sas_port *mpt3sas_port; |
| 2982 | struct _sas_device *sas_device; |
| 2983 | struct _sas_node *expander_sibling; |
| 2984 | unsigned long flags; |
| 2985 | |
| 2986 | if (!sas_expander) |
| 2987 | return; |
| 2988 | |
| 2989 | list_for_each_entry(mpt3sas_port, |
| 2990 | &sas_expander->sas_port_list, port_list) { |
| 2991 | if (mpt3sas_port->remote_identify.device_type == |
| 2992 | SAS_END_DEVICE) { |
| 2993 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2994 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
| 2995 | mpt3sas_port->remote_identify.sas_address); |
| 2996 | if (sas_device) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 2997 | set_bit(sas_device->handle, |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 2998 | ioc->blocking_handles); |
| 2999 | sas_device_put(sas_device); |
| 3000 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3001 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 3002 | } |
| 3003 | } |
| 3004 | |
| 3005 | list_for_each_entry(mpt3sas_port, |
| 3006 | &sas_expander->sas_port_list, port_list) { |
| 3007 | |
| 3008 | if (mpt3sas_port->remote_identify.device_type == |
| 3009 | SAS_EDGE_EXPANDER_DEVICE || |
| 3010 | mpt3sas_port->remote_identify.device_type == |
| 3011 | SAS_FANOUT_EXPANDER_DEVICE) { |
| 3012 | expander_sibling = |
| 3013 | mpt3sas_scsih_expander_find_by_sas_address( |
| 3014 | ioc, mpt3sas_port->remote_identify.sas_address); |
| 3015 | _scsih_block_io_to_children_attached_to_ex(ioc, |
| 3016 | expander_sibling); |
| 3017 | } |
| 3018 | } |
| 3019 | } |
| 3020 | |
| 3021 | /** |
| 3022 | * _scsih_block_io_to_children_attached_directly |
| 3023 | * @ioc: per adapter object |
| 3024 | * @event_data: topology change event data |
| 3025 | * |
| 3026 | * This routine set sdev state to SDEV_BLOCK for all devices |
| 3027 | * direct attached during device pull. |
| 3028 | */ |
| 3029 | static void |
| 3030 | _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc, |
| 3031 | Mpi2EventDataSasTopologyChangeList_t *event_data) |
| 3032 | { |
| 3033 | int i; |
| 3034 | u16 handle; |
| 3035 | u16 reason_code; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3036 | |
| 3037 | for (i = 0; i < event_data->NumEntries; i++) { |
| 3038 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| 3039 | if (!handle) |
| 3040 | continue; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3041 | reason_code = event_data->PHY[i].PhyStatus & |
| 3042 | MPI2_EVENT_SAS_TOPO_RC_MASK; |
| 3043 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING) |
| 3044 | _scsih_block_io_device(ioc, handle); |
| 3045 | } |
| 3046 | } |
| 3047 | |
| 3048 | /** |
| 3049 | * _scsih_tm_tr_send - send task management request |
| 3050 | * @ioc: per adapter object |
| 3051 | * @handle: device handle |
| 3052 | * Context: interrupt time. |
| 3053 | * |
| 3054 | * This code is to initiate the device removal handshake protocol |
| 3055 | * with controller firmware. This function will issue target reset |
| 3056 | * using high priority request queue. It will send a sas iounit |
| 3057 | * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. |
| 3058 | * |
| 3059 | * This is designed to send muliple task management request at the same |
| 3060 | * time to the fifo. If the fifo is full, we will append the request, |
| 3061 | * and process it in a future completion. |
| 3062 | */ |
| 3063 | static void |
| 3064 | _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 3065 | { |
| 3066 | Mpi2SCSITaskManagementRequest_t *mpi_request; |
| 3067 | u16 smid; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 3068 | struct _sas_device *sas_device = NULL; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3069 | struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
| 3070 | u64 sas_address = 0; |
| 3071 | unsigned long flags; |
| 3072 | struct _tr_list *delayed_tr; |
| 3073 | u32 ioc_state; |
| 3074 | |
| 3075 | if (ioc->remove_host) { |
| 3076 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3077 | "%s: host has been removed: handle(0x%04x)\n", |
| 3078 | __func__, ioc->name, handle)); |
| 3079 | return; |
| 3080 | } else if (ioc->pci_error_recovery) { |
| 3081 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3082 | "%s: host in pci error recovery: handle(0x%04x)\n", |
| 3083 | __func__, ioc->name, |
| 3084 | handle)); |
| 3085 | return; |
| 3086 | } |
| 3087 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); |
| 3088 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| 3089 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3090 | "%s: host is not operational: handle(0x%04x)\n", |
| 3091 | __func__, ioc->name, |
| 3092 | handle)); |
| 3093 | return; |
| 3094 | } |
| 3095 | |
| 3096 | /* if PD, then return */ |
| 3097 | if (test_bit(handle, ioc->pd_handles)) |
| 3098 | return; |
| 3099 | |
| 3100 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 3101 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3102 | if (sas_device && sas_device->starget && |
| 3103 | sas_device->starget->hostdata) { |
| 3104 | sas_target_priv_data = sas_device->starget->hostdata; |
| 3105 | sas_target_priv_data->deleted = 1; |
| 3106 | sas_address = sas_device->sas_address; |
| 3107 | } |
| 3108 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 3109 | |
| 3110 | if (sas_target_priv_data) { |
| 3111 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3112 | "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 3113 | ioc->name, handle, |
| 3114 | (unsigned long long)sas_address)); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 3115 | if (sas_device->enclosure_handle != 0) |
| 3116 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3117 | "setting delete flag:enclosure logical id(0x%016llx)," |
| 3118 | " slot(%d)\n", ioc->name, (unsigned long long) |
| 3119 | sas_device->enclosure_logical_id, |
| 3120 | sas_device->slot)); |
| 3121 | if (sas_device->connector_name) |
| 3122 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3123 | "setting delete flag: enclosure level(0x%04x)," |
| 3124 | " connector name( %s)\n", ioc->name, |
| 3125 | sas_device->enclosure_level, |
| 3126 | sas_device->connector_name)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3127 | _scsih_ublock_io_device(ioc, sas_address); |
| 3128 | sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE; |
| 3129 | } |
| 3130 | |
| 3131 | smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); |
| 3132 | if (!smid) { |
| 3133 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| 3134 | if (!delayed_tr) |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 3135 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3136 | INIT_LIST_HEAD(&delayed_tr->list); |
| 3137 | delayed_tr->handle = handle; |
| 3138 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
| 3139 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3140 | "DELAYED:tr:handle(0x%04x), (open)\n", |
| 3141 | ioc->name, handle)); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 3142 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3143 | } |
| 3144 | |
| 3145 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3146 | "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| 3147 | ioc->name, handle, smid, |
| 3148 | ioc->tm_tr_cb_idx)); |
| 3149 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 3150 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| 3151 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| 3152 | mpi_request->DevHandle = cpu_to_le16(handle); |
| 3153 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; |
| 3154 | mpt3sas_base_put_smid_hi_priority(ioc, smid); |
| 3155 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 3156 | |
| 3157 | out: |
| 3158 | if (sas_device) |
| 3159 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3160 | } |
| 3161 | |
| 3162 | /** |
| 3163 | * _scsih_tm_tr_complete - |
| 3164 | * @ioc: per adapter object |
| 3165 | * @smid: system request message index |
| 3166 | * @msix_index: MSIX table index supplied by the OS |
| 3167 | * @reply: reply message frame(lower 32bit addr) |
| 3168 | * Context: interrupt time. |
| 3169 | * |
| 3170 | * This is the target reset completion routine. |
| 3171 | * This code is part of the code to initiate the device removal |
| 3172 | * handshake protocol with controller firmware. |
| 3173 | * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) |
| 3174 | * |
| 3175 | * Return 1 meaning mf should be freed from _base_interrupt |
| 3176 | * 0 means the mf is freed from this function. |
| 3177 | */ |
| 3178 | static u8 |
| 3179 | _scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
| 3180 | u32 reply) |
| 3181 | { |
| 3182 | u16 handle; |
| 3183 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
| 3184 | Mpi2SCSITaskManagementReply_t *mpi_reply = |
| 3185 | mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 3186 | Mpi2SasIoUnitControlRequest_t *mpi_request; |
| 3187 | u16 smid_sas_ctrl; |
| 3188 | u32 ioc_state; |
| 3189 | |
| 3190 | if (ioc->remove_host) { |
| 3191 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3192 | "%s: host has been removed\n", __func__, ioc->name)); |
| 3193 | return 1; |
| 3194 | } else if (ioc->pci_error_recovery) { |
| 3195 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3196 | "%s: host in pci error recovery\n", __func__, |
| 3197 | ioc->name)); |
| 3198 | return 1; |
| 3199 | } |
| 3200 | ioc_state = mpt3sas_base_get_iocstate(ioc, 1); |
| 3201 | if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| 3202 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3203 | "%s: host is not operational\n", __func__, ioc->name)); |
| 3204 | return 1; |
| 3205 | } |
| 3206 | if (unlikely(!mpi_reply)) { |
| 3207 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", |
| 3208 | ioc->name, __FILE__, __LINE__, __func__); |
| 3209 | return 1; |
| 3210 | } |
| 3211 | mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid); |
| 3212 | handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| 3213 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { |
| 3214 | dewtprintk(ioc, pr_err(MPT3SAS_FMT |
| 3215 | "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n", |
| 3216 | ioc->name, handle, |
| 3217 | le16_to_cpu(mpi_reply->DevHandle), smid)); |
| 3218 | return 0; |
| 3219 | } |
| 3220 | |
| 3221 | mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT); |
| 3222 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3223 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " |
| 3224 | "loginfo(0x%08x), completed(%d)\n", ioc->name, |
| 3225 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), |
| 3226 | le32_to_cpu(mpi_reply->IOCLogInfo), |
| 3227 | le32_to_cpu(mpi_reply->TerminationCount))); |
| 3228 | |
| 3229 | smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); |
| 3230 | if (!smid_sas_ctrl) { |
| 3231 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", |
| 3232 | ioc->name, __func__); |
| 3233 | return 1; |
| 3234 | } |
| 3235 | |
| 3236 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3237 | "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| 3238 | ioc->name, handle, smid_sas_ctrl, |
| 3239 | ioc->tm_sas_control_cb_idx)); |
| 3240 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl); |
| 3241 | memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); |
| 3242 | mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; |
| 3243 | mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; |
| 3244 | mpi_request->DevHandle = mpi_request_tm->DevHandle; |
| 3245 | mpt3sas_base_put_smid_default(ioc, smid_sas_ctrl); |
| 3246 | |
| 3247 | return _scsih_check_for_pending_tm(ioc, smid); |
| 3248 | } |
| 3249 | |
| 3250 | |
| 3251 | /** |
| 3252 | * _scsih_sas_control_complete - completion routine |
| 3253 | * @ioc: per adapter object |
| 3254 | * @smid: system request message index |
| 3255 | * @msix_index: MSIX table index supplied by the OS |
| 3256 | * @reply: reply message frame(lower 32bit addr) |
| 3257 | * Context: interrupt time. |
| 3258 | * |
| 3259 | * This is the sas iounit control completion routine. |
| 3260 | * This code is part of the code to initiate the device removal |
| 3261 | * handshake protocol with controller firmware. |
| 3262 | * |
| 3263 | * Return 1 meaning mf should be freed from _base_interrupt |
| 3264 | * 0 means the mf is freed from this function. |
| 3265 | */ |
| 3266 | static u8 |
| 3267 | _scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, |
| 3268 | u8 msix_index, u32 reply) |
| 3269 | { |
| 3270 | Mpi2SasIoUnitControlReply_t *mpi_reply = |
| 3271 | mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 3272 | |
| 3273 | if (likely(mpi_reply)) { |
| 3274 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3275 | "sc_complete:handle(0x%04x), (open) " |
| 3276 | "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 3277 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, |
| 3278 | le16_to_cpu(mpi_reply->IOCStatus), |
| 3279 | le32_to_cpu(mpi_reply->IOCLogInfo))); |
| 3280 | } else { |
| 3281 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", |
| 3282 | ioc->name, __FILE__, __LINE__, __func__); |
| 3283 | } |
| 3284 | return 1; |
| 3285 | } |
| 3286 | |
| 3287 | /** |
| 3288 | * _scsih_tm_tr_volume_send - send target reset request for volumes |
| 3289 | * @ioc: per adapter object |
| 3290 | * @handle: device handle |
| 3291 | * Context: interrupt time. |
| 3292 | * |
| 3293 | * This is designed to send muliple task management request at the same |
| 3294 | * time to the fifo. If the fifo is full, we will append the request, |
| 3295 | * and process it in a future completion. |
| 3296 | */ |
| 3297 | static void |
| 3298 | _scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 3299 | { |
| 3300 | Mpi2SCSITaskManagementRequest_t *mpi_request; |
| 3301 | u16 smid; |
| 3302 | struct _tr_list *delayed_tr; |
| 3303 | |
| 3304 | if (ioc->shost_recovery || ioc->remove_host || |
| 3305 | ioc->pci_error_recovery) { |
| 3306 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3307 | "%s: host reset in progress!\n", |
| 3308 | __func__, ioc->name)); |
| 3309 | return; |
| 3310 | } |
| 3311 | |
| 3312 | smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); |
| 3313 | if (!smid) { |
| 3314 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| 3315 | if (!delayed_tr) |
| 3316 | return; |
| 3317 | INIT_LIST_HEAD(&delayed_tr->list); |
| 3318 | delayed_tr->handle = handle; |
| 3319 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); |
| 3320 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3321 | "DELAYED:tr:handle(0x%04x), (open)\n", |
| 3322 | ioc->name, handle)); |
| 3323 | return; |
| 3324 | } |
| 3325 | |
| 3326 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3327 | "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n", |
| 3328 | ioc->name, handle, smid, |
| 3329 | ioc->tm_tr_volume_cb_idx)); |
| 3330 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 3331 | memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); |
| 3332 | mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; |
| 3333 | mpi_request->DevHandle = cpu_to_le16(handle); |
| 3334 | mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; |
| 3335 | mpt3sas_base_put_smid_hi_priority(ioc, smid); |
| 3336 | } |
| 3337 | |
| 3338 | /** |
| 3339 | * _scsih_tm_volume_tr_complete - target reset completion |
| 3340 | * @ioc: per adapter object |
| 3341 | * @smid: system request message index |
| 3342 | * @msix_index: MSIX table index supplied by the OS |
| 3343 | * @reply: reply message frame(lower 32bit addr) |
| 3344 | * Context: interrupt time. |
| 3345 | * |
| 3346 | * Return 1 meaning mf should be freed from _base_interrupt |
| 3347 | * 0 means the mf is freed from this function. |
| 3348 | */ |
| 3349 | static u8 |
| 3350 | _scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, |
| 3351 | u8 msix_index, u32 reply) |
| 3352 | { |
| 3353 | u16 handle; |
| 3354 | Mpi2SCSITaskManagementRequest_t *mpi_request_tm; |
| 3355 | Mpi2SCSITaskManagementReply_t *mpi_reply = |
| 3356 | mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 3357 | |
| 3358 | if (ioc->shost_recovery || ioc->remove_host || |
| 3359 | ioc->pci_error_recovery) { |
| 3360 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3361 | "%s: host reset in progress!\n", |
| 3362 | __func__, ioc->name)); |
| 3363 | return 1; |
| 3364 | } |
| 3365 | if (unlikely(!mpi_reply)) { |
| 3366 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", |
| 3367 | ioc->name, __FILE__, __LINE__, __func__); |
| 3368 | return 1; |
| 3369 | } |
| 3370 | |
| 3371 | mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid); |
| 3372 | handle = le16_to_cpu(mpi_request_tm->DevHandle); |
| 3373 | if (handle != le16_to_cpu(mpi_reply->DevHandle)) { |
| 3374 | dewtprintk(ioc, pr_err(MPT3SAS_FMT |
| 3375 | "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n", |
| 3376 | ioc->name, handle, |
| 3377 | le16_to_cpu(mpi_reply->DevHandle), smid)); |
| 3378 | return 0; |
| 3379 | } |
| 3380 | |
| 3381 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3382 | "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " |
| 3383 | "loginfo(0x%08x), completed(%d)\n", ioc->name, |
| 3384 | handle, smid, le16_to_cpu(mpi_reply->IOCStatus), |
| 3385 | le32_to_cpu(mpi_reply->IOCLogInfo), |
| 3386 | le32_to_cpu(mpi_reply->TerminationCount))); |
| 3387 | |
| 3388 | return _scsih_check_for_pending_tm(ioc, smid); |
| 3389 | } |
| 3390 | |
| 3391 | |
| 3392 | /** |
| 3393 | * _scsih_check_for_pending_tm - check for pending task management |
| 3394 | * @ioc: per adapter object |
| 3395 | * @smid: system request message index |
| 3396 | * |
| 3397 | * This will check delayed target reset list, and feed the |
| 3398 | * next reqeust. |
| 3399 | * |
| 3400 | * Return 1 meaning mf should be freed from _base_interrupt |
| 3401 | * 0 means the mf is freed from this function. |
| 3402 | */ |
| 3403 | static u8 |
| 3404 | _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid) |
| 3405 | { |
| 3406 | struct _tr_list *delayed_tr; |
| 3407 | |
| 3408 | if (!list_empty(&ioc->delayed_tr_volume_list)) { |
| 3409 | delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, |
| 3410 | struct _tr_list, list); |
| 3411 | mpt3sas_base_free_smid(ioc, smid); |
| 3412 | _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); |
| 3413 | list_del(&delayed_tr->list); |
| 3414 | kfree(delayed_tr); |
| 3415 | return 0; |
| 3416 | } |
| 3417 | |
| 3418 | if (!list_empty(&ioc->delayed_tr_list)) { |
| 3419 | delayed_tr = list_entry(ioc->delayed_tr_list.next, |
| 3420 | struct _tr_list, list); |
| 3421 | mpt3sas_base_free_smid(ioc, smid); |
| 3422 | _scsih_tm_tr_send(ioc, delayed_tr->handle); |
| 3423 | list_del(&delayed_tr->list); |
| 3424 | kfree(delayed_tr); |
| 3425 | return 0; |
| 3426 | } |
| 3427 | |
| 3428 | return 1; |
| 3429 | } |
| 3430 | |
| 3431 | /** |
| 3432 | * _scsih_check_topo_delete_events - sanity check on topo events |
| 3433 | * @ioc: per adapter object |
| 3434 | * @event_data: the event data payload |
| 3435 | * |
| 3436 | * This routine added to better handle cable breaker. |
| 3437 | * |
| 3438 | * This handles the case where driver receives multiple expander |
| 3439 | * add and delete events in a single shot. When there is a delete event |
| 3440 | * the routine will void any pending add events waiting in the event queue. |
| 3441 | * |
| 3442 | * Return nothing. |
| 3443 | */ |
| 3444 | static void |
| 3445 | _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc, |
| 3446 | Mpi2EventDataSasTopologyChangeList_t *event_data) |
| 3447 | { |
| 3448 | struct fw_event_work *fw_event; |
| 3449 | Mpi2EventDataSasTopologyChangeList_t *local_event_data; |
| 3450 | u16 expander_handle; |
| 3451 | struct _sas_node *sas_expander; |
| 3452 | unsigned long flags; |
| 3453 | int i, reason_code; |
| 3454 | u16 handle; |
| 3455 | |
| 3456 | for (i = 0 ; i < event_data->NumEntries; i++) { |
| 3457 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| 3458 | if (!handle) |
| 3459 | continue; |
| 3460 | reason_code = event_data->PHY[i].PhyStatus & |
| 3461 | MPI2_EVENT_SAS_TOPO_RC_MASK; |
| 3462 | if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING) |
| 3463 | _scsih_tm_tr_send(ioc, handle); |
| 3464 | } |
| 3465 | |
| 3466 | expander_handle = le16_to_cpu(event_data->ExpanderDevHandle); |
| 3467 | if (expander_handle < ioc->sas_hba.num_phys) { |
| 3468 | _scsih_block_io_to_children_attached_directly(ioc, event_data); |
| 3469 | return; |
| 3470 | } |
| 3471 | if (event_data->ExpStatus == |
| 3472 | MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) { |
| 3473 | /* put expander attached devices into blocking state */ |
| 3474 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 3475 | sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc, |
| 3476 | expander_handle); |
| 3477 | _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); |
| 3478 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 3479 | do { |
| 3480 | handle = find_first_bit(ioc->blocking_handles, |
| 3481 | ioc->facts.MaxDevHandle); |
| 3482 | if (handle < ioc->facts.MaxDevHandle) |
| 3483 | _scsih_block_io_device(ioc, handle); |
| 3484 | } while (test_and_clear_bit(handle, ioc->blocking_handles)); |
| 3485 | } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) |
| 3486 | _scsih_block_io_to_children_attached_directly(ioc, event_data); |
| 3487 | |
| 3488 | if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) |
| 3489 | return; |
| 3490 | |
| 3491 | /* mark ignore flag for pending events */ |
| 3492 | spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| 3493 | list_for_each_entry(fw_event, &ioc->fw_event_list, list) { |
| 3494 | if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST || |
| 3495 | fw_event->ignore) |
| 3496 | continue; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 3497 | local_event_data = (Mpi2EventDataSasTopologyChangeList_t *) |
| 3498 | fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3499 | if (local_event_data->ExpStatus == |
| 3500 | MPI2_EVENT_SAS_TOPO_ES_ADDED || |
| 3501 | local_event_data->ExpStatus == |
| 3502 | MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { |
| 3503 | if (le16_to_cpu(local_event_data->ExpanderDevHandle) == |
| 3504 | expander_handle) { |
| 3505 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3506 | "setting ignoring flag\n", ioc->name)); |
| 3507 | fw_event->ignore = 1; |
| 3508 | } |
| 3509 | } |
| 3510 | } |
| 3511 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| 3512 | } |
| 3513 | |
| 3514 | /** |
| 3515 | * _scsih_set_volume_delete_flag - setting volume delete flag |
| 3516 | * @ioc: per adapter object |
| 3517 | * @handle: device handle |
| 3518 | * |
| 3519 | * This returns nothing. |
| 3520 | */ |
| 3521 | static void |
| 3522 | _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 3523 | { |
| 3524 | struct _raid_device *raid_device; |
| 3525 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 3526 | unsigned long flags; |
| 3527 | |
| 3528 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 3529 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3530 | if (raid_device && raid_device->starget && |
| 3531 | raid_device->starget->hostdata) { |
| 3532 | sas_target_priv_data = |
| 3533 | raid_device->starget->hostdata; |
| 3534 | sas_target_priv_data->deleted = 1; |
| 3535 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3536 | "setting delete flag: handle(0x%04x), " |
| 3537 | "wwid(0x%016llx)\n", ioc->name, handle, |
| 3538 | (unsigned long long) raid_device->wwid)); |
| 3539 | } |
| 3540 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 3541 | } |
| 3542 | |
| 3543 | /** |
| 3544 | * _scsih_set_volume_handle_for_tr - set handle for target reset to volume |
| 3545 | * @handle: input handle |
| 3546 | * @a: handle for volume a |
| 3547 | * @b: handle for volume b |
| 3548 | * |
| 3549 | * IR firmware only supports two raid volumes. The purpose of this |
| 3550 | * routine is to set the volume handle in either a or b. When the given |
| 3551 | * input handle is non-zero, or when a and b have not been set before. |
| 3552 | */ |
| 3553 | static void |
| 3554 | _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) |
| 3555 | { |
| 3556 | if (!handle || handle == *a || handle == *b) |
| 3557 | return; |
| 3558 | if (!*a) |
| 3559 | *a = handle; |
| 3560 | else if (!*b) |
| 3561 | *b = handle; |
| 3562 | } |
| 3563 | |
| 3564 | /** |
| 3565 | * _scsih_check_ir_config_unhide_events - check for UNHIDE events |
| 3566 | * @ioc: per adapter object |
| 3567 | * @event_data: the event data payload |
| 3568 | * Context: interrupt time. |
| 3569 | * |
| 3570 | * This routine will send target reset to volume, followed by target |
| 3571 | * resets to the PDs. This is called when a PD has been removed, or |
| 3572 | * volume has been deleted or removed. When the target reset is sent |
| 3573 | * to volume, the PD target resets need to be queued to start upon |
| 3574 | * completion of the volume target reset. |
| 3575 | * |
| 3576 | * Return nothing. |
| 3577 | */ |
| 3578 | static void |
| 3579 | _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc, |
| 3580 | Mpi2EventDataIrConfigChangeList_t *event_data) |
| 3581 | { |
| 3582 | Mpi2EventIrConfigElement_t *element; |
| 3583 | int i; |
| 3584 | u16 handle, volume_handle, a, b; |
| 3585 | struct _tr_list *delayed_tr; |
| 3586 | |
| 3587 | a = 0; |
| 3588 | b = 0; |
| 3589 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3590 | if (ioc->is_warpdrive) |
| 3591 | return; |
| 3592 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3593 | /* Volume Resets for Deleted or Removed */ |
| 3594 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| 3595 | for (i = 0; i < event_data->NumElements; i++, element++) { |
| 3596 | if (le32_to_cpu(event_data->Flags) & |
| 3597 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) |
| 3598 | continue; |
| 3599 | if (element->ReasonCode == |
| 3600 | MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || |
| 3601 | element->ReasonCode == |
| 3602 | MPI2_EVENT_IR_CHANGE_RC_REMOVED) { |
| 3603 | volume_handle = le16_to_cpu(element->VolDevHandle); |
| 3604 | _scsih_set_volume_delete_flag(ioc, volume_handle); |
| 3605 | _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); |
| 3606 | } |
| 3607 | } |
| 3608 | |
| 3609 | /* Volume Resets for UNHIDE events */ |
| 3610 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| 3611 | for (i = 0; i < event_data->NumElements; i++, element++) { |
| 3612 | if (le32_to_cpu(event_data->Flags) & |
| 3613 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) |
| 3614 | continue; |
| 3615 | if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { |
| 3616 | volume_handle = le16_to_cpu(element->VolDevHandle); |
| 3617 | _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); |
| 3618 | } |
| 3619 | } |
| 3620 | |
| 3621 | if (a) |
| 3622 | _scsih_tm_tr_volume_send(ioc, a); |
| 3623 | if (b) |
| 3624 | _scsih_tm_tr_volume_send(ioc, b); |
| 3625 | |
| 3626 | /* PD target resets */ |
| 3627 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| 3628 | for (i = 0; i < event_data->NumElements; i++, element++) { |
| 3629 | if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) |
| 3630 | continue; |
| 3631 | handle = le16_to_cpu(element->PhysDiskDevHandle); |
| 3632 | volume_handle = le16_to_cpu(element->VolDevHandle); |
| 3633 | clear_bit(handle, ioc->pd_handles); |
| 3634 | if (!volume_handle) |
| 3635 | _scsih_tm_tr_send(ioc, handle); |
| 3636 | else if (volume_handle == a || volume_handle == b) { |
| 3637 | delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); |
| 3638 | BUG_ON(!delayed_tr); |
| 3639 | INIT_LIST_HEAD(&delayed_tr->list); |
| 3640 | delayed_tr->handle = handle; |
| 3641 | list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); |
| 3642 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 3643 | "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, |
| 3644 | handle)); |
| 3645 | } else |
| 3646 | _scsih_tm_tr_send(ioc, handle); |
| 3647 | } |
| 3648 | } |
| 3649 | |
| 3650 | |
| 3651 | /** |
| 3652 | * _scsih_check_volume_delete_events - set delete flag for volumes |
| 3653 | * @ioc: per adapter object |
| 3654 | * @event_data: the event data payload |
| 3655 | * Context: interrupt time. |
| 3656 | * |
| 3657 | * This will handle the case when the cable connected to entire volume is |
| 3658 | * pulled. We will take care of setting the deleted flag so normal IO will |
| 3659 | * not be sent. |
| 3660 | * |
| 3661 | * Return nothing. |
| 3662 | */ |
| 3663 | static void |
| 3664 | _scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc, |
| 3665 | Mpi2EventDataIrVolume_t *event_data) |
| 3666 | { |
| 3667 | u32 state; |
| 3668 | |
| 3669 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) |
| 3670 | return; |
| 3671 | state = le32_to_cpu(event_data->NewValue); |
| 3672 | if (state == MPI2_RAID_VOL_STATE_MISSING || state == |
| 3673 | MPI2_RAID_VOL_STATE_FAILED) |
| 3674 | _scsih_set_volume_delete_flag(ioc, |
| 3675 | le16_to_cpu(event_data->VolDevHandle)); |
| 3676 | } |
| 3677 | |
| 3678 | /** |
Sreekanth Reddy | 2d8ce8c | 2015-01-12 11:38:56 +0530 | [diff] [blame] | 3679 | * _scsih_temp_threshold_events - display temperature threshold exceeded events |
| 3680 | * @ioc: per adapter object |
| 3681 | * @event_data: the temp threshold event data |
| 3682 | * Context: interrupt time. |
| 3683 | * |
| 3684 | * Return nothing. |
| 3685 | */ |
| 3686 | static void |
| 3687 | _scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc, |
| 3688 | Mpi2EventDataTemperature_t *event_data) |
| 3689 | { |
| 3690 | if (ioc->temp_sensors_count >= event_data->SensorNum) { |
| 3691 | pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s" |
| 3692 | " exceeded for Sensor: %d !!!\n", ioc->name, |
| 3693 | ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ", |
| 3694 | ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ", |
| 3695 | ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ", |
| 3696 | ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ", |
| 3697 | event_data->SensorNum); |
| 3698 | pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n", |
| 3699 | ioc->name, event_data->CurrentTemperature); |
| 3700 | } |
| 3701 | } |
| 3702 | |
| 3703 | /** |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3704 | * _scsih_flush_running_cmds - completing outstanding commands. |
| 3705 | * @ioc: per adapter object |
| 3706 | * |
| 3707 | * The flushing out of all pending scmd commands following host reset, |
| 3708 | * where all IO is dropped to the floor. |
| 3709 | * |
| 3710 | * Return nothing. |
| 3711 | */ |
| 3712 | static void |
| 3713 | _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc) |
| 3714 | { |
| 3715 | struct scsi_cmnd *scmd; |
| 3716 | u16 smid; |
| 3717 | u16 count = 0; |
| 3718 | |
| 3719 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
| 3720 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); |
| 3721 | if (!scmd) |
| 3722 | continue; |
| 3723 | count++; |
| 3724 | mpt3sas_base_free_smid(ioc, smid); |
| 3725 | scsi_dma_unmap(scmd); |
| 3726 | if (ioc->pci_error_recovery) |
| 3727 | scmd->result = DID_NO_CONNECT << 16; |
| 3728 | else |
| 3729 | scmd->result = DID_RESET << 16; |
| 3730 | scmd->scsi_done(scmd); |
| 3731 | } |
| 3732 | dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n", |
| 3733 | ioc->name, count)); |
| 3734 | } |
| 3735 | |
| 3736 | /** |
| 3737 | * _scsih_setup_eedp - setup MPI request for EEDP transfer |
| 3738 | * @ioc: per adapter object |
| 3739 | * @scmd: pointer to scsi command object |
| 3740 | * @mpi_request: pointer to the SCSI_IO reqest message frame |
| 3741 | * |
| 3742 | * Supporting protection 1 and 3. |
| 3743 | * |
| 3744 | * Returns nothing |
| 3745 | */ |
| 3746 | static void |
| 3747 | _scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, |
| 3748 | Mpi2SCSIIORequest_t *mpi_request) |
| 3749 | { |
| 3750 | u16 eedp_flags; |
| 3751 | unsigned char prot_op = scsi_get_prot_op(scmd); |
| 3752 | unsigned char prot_type = scsi_get_prot_type(scmd); |
| 3753 | Mpi25SCSIIORequest_t *mpi_request_3v = |
| 3754 | (Mpi25SCSIIORequest_t *)mpi_request; |
| 3755 | |
| 3756 | if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) |
| 3757 | return; |
| 3758 | |
| 3759 | if (prot_op == SCSI_PROT_READ_STRIP) |
| 3760 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP; |
| 3761 | else if (prot_op == SCSI_PROT_WRITE_INSERT) |
| 3762 | eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP; |
| 3763 | else |
| 3764 | return; |
| 3765 | |
| 3766 | switch (prot_type) { |
| 3767 | case SCSI_PROT_DIF_TYPE1: |
| 3768 | case SCSI_PROT_DIF_TYPE2: |
| 3769 | |
| 3770 | /* |
| 3771 | * enable ref/guard checking |
| 3772 | * auto increment ref tag |
| 3773 | */ |
| 3774 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG | |
| 3775 | MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG | |
| 3776 | MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| 3777 | mpi_request->CDB.EEDP32.PrimaryReferenceTag = |
| 3778 | cpu_to_be32(scsi_get_lba(scmd)); |
| 3779 | break; |
| 3780 | |
| 3781 | case SCSI_PROT_DIF_TYPE3: |
| 3782 | |
| 3783 | /* |
| 3784 | * enable guard checking |
| 3785 | */ |
| 3786 | eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; |
| 3787 | |
| 3788 | break; |
| 3789 | } |
| 3790 | |
| 3791 | mpi_request_3v->EEDPBlockSize = |
| 3792 | cpu_to_le16(scmd->device->sector_size); |
| 3793 | mpi_request->EEDPFlags = cpu_to_le16(eedp_flags); |
| 3794 | } |
| 3795 | |
| 3796 | /** |
| 3797 | * _scsih_eedp_error_handling - return sense code for EEDP errors |
| 3798 | * @scmd: pointer to scsi command object |
| 3799 | * @ioc_status: ioc status |
| 3800 | * |
| 3801 | * Returns nothing |
| 3802 | */ |
| 3803 | static void |
| 3804 | _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) |
| 3805 | { |
| 3806 | u8 ascq; |
| 3807 | |
| 3808 | switch (ioc_status) { |
| 3809 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| 3810 | ascq = 0x01; |
| 3811 | break; |
| 3812 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| 3813 | ascq = 0x02; |
| 3814 | break; |
| 3815 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| 3816 | ascq = 0x03; |
| 3817 | break; |
| 3818 | default: |
| 3819 | ascq = 0x00; |
| 3820 | break; |
| 3821 | } |
| 3822 | scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, |
| 3823 | ascq); |
| 3824 | scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) | |
| 3825 | SAM_STAT_CHECK_CONDITION; |
| 3826 | } |
| 3827 | |
| 3828 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3829 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3830 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 3831 | * scsih_qcmd - main scsi request entry point |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3832 | * @scmd: pointer to scsi command object |
| 3833 | * @done: function pointer to be invoked on completion |
| 3834 | * |
| 3835 | * The callback index is set inside `ioc->scsi_io_cb_idx`. |
| 3836 | * |
| 3837 | * Returns 0 on success. If there's a failure, return either: |
| 3838 | * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or |
| 3839 | * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full |
| 3840 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 3841 | int |
| 3842 | scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3843 | { |
Matthew Wilcox | d8bfbd8 | 2014-03-27 16:40:31 -0400 | [diff] [blame] | 3844 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3845 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 3846 | struct MPT3SAS_TARGET *sas_target_priv_data; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3847 | struct _raid_device *raid_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3848 | Mpi2SCSIIORequest_t *mpi_request; |
| 3849 | u32 mpi_control; |
| 3850 | u16 smid; |
| 3851 | u16 handle; |
| 3852 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3853 | if (ioc->logging_level & MPT_DEBUG_SCSI) |
| 3854 | scsi_print_command(scmd); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3855 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3856 | sas_device_priv_data = scmd->device->hostdata; |
| 3857 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { |
| 3858 | scmd->result = DID_NO_CONNECT << 16; |
| 3859 | scmd->scsi_done(scmd); |
| 3860 | return 0; |
| 3861 | } |
| 3862 | |
| 3863 | if (ioc->pci_error_recovery || ioc->remove_host) { |
| 3864 | scmd->result = DID_NO_CONNECT << 16; |
| 3865 | scmd->scsi_done(scmd); |
| 3866 | return 0; |
| 3867 | } |
| 3868 | |
| 3869 | sas_target_priv_data = sas_device_priv_data->sas_target; |
| 3870 | |
| 3871 | /* invalid device handle */ |
| 3872 | handle = sas_target_priv_data->handle; |
| 3873 | if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) { |
| 3874 | scmd->result = DID_NO_CONNECT << 16; |
| 3875 | scmd->scsi_done(scmd); |
| 3876 | return 0; |
| 3877 | } |
| 3878 | |
| 3879 | |
| 3880 | /* host recovery or link resets sent via IOCTLs */ |
| 3881 | if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) |
| 3882 | return SCSI_MLQUEUE_HOST_BUSY; |
| 3883 | |
| 3884 | /* device has been deleted */ |
| 3885 | else if (sas_target_priv_data->deleted) { |
| 3886 | scmd->result = DID_NO_CONNECT << 16; |
| 3887 | scmd->scsi_done(scmd); |
| 3888 | return 0; |
| 3889 | /* device busy with task managment */ |
| 3890 | } else if (sas_target_priv_data->tm_busy || |
| 3891 | sas_device_priv_data->block) |
| 3892 | return SCSI_MLQUEUE_DEVICE_BUSY; |
| 3893 | |
| 3894 | if (scmd->sc_data_direction == DMA_FROM_DEVICE) |
| 3895 | mpi_control = MPI2_SCSIIO_CONTROL_READ; |
| 3896 | else if (scmd->sc_data_direction == DMA_TO_DEVICE) |
| 3897 | mpi_control = MPI2_SCSIIO_CONTROL_WRITE; |
| 3898 | else |
| 3899 | mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER; |
| 3900 | |
| 3901 | /* set tags */ |
Christoph Hellwig | 609aa22 | 2014-10-30 11:54:58 +0100 | [diff] [blame] | 3902 | mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3903 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3904 | /* Make sure Device is not raid volume. |
| 3905 | * We do not expose raid functionality to upper layer for warpdrive. |
| 3906 | */ |
| 3907 | if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev) |
Sreekanth Reddy | 15de0de | 2015-11-12 23:40:37 +0530 | [diff] [blame] | 3908 | && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3909 | mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; |
| 3910 | |
| 3911 | smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); |
| 3912 | if (!smid) { |
| 3913 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", |
| 3914 | ioc->name, __func__); |
| 3915 | goto out; |
| 3916 | } |
| 3917 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 3918 | memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); |
| 3919 | _scsih_setup_eedp(ioc, scmd, mpi_request); |
| 3920 | |
| 3921 | if (scmd->cmd_len == 32) |
| 3922 | mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; |
| 3923 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
| 3924 | if (sas_device_priv_data->sas_target->flags & |
| 3925 | MPT_TARGET_FLAGS_RAID_COMPONENT) |
| 3926 | mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; |
| 3927 | else |
| 3928 | mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; |
| 3929 | mpi_request->DevHandle = cpu_to_le16(handle); |
| 3930 | mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); |
| 3931 | mpi_request->Control = cpu_to_le32(mpi_control); |
| 3932 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len); |
| 3933 | mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR; |
| 3934 | mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE; |
| 3935 | mpi_request->SenseBufferLowAddress = |
| 3936 | mpt3sas_base_get_sense_buffer_dma(ioc, smid); |
| 3937 | mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4; |
| 3938 | int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *) |
| 3939 | mpi_request->LUN); |
| 3940 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); |
| 3941 | |
| 3942 | if (mpi_request->DataLength) { |
| 3943 | if (ioc->build_sg_scmd(ioc, scmd, smid)) { |
| 3944 | mpt3sas_base_free_smid(ioc, smid); |
| 3945 | goto out; |
| 3946 | } |
| 3947 | } else |
| 3948 | ioc->build_zero_len_sge(ioc, &mpi_request->SGL); |
| 3949 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3950 | raid_device = sas_target_priv_data->raid_device; |
| 3951 | if (raid_device && raid_device->direct_io_enabled) |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 3952 | mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request, |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3953 | smid); |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3954 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3955 | if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) { |
| 3956 | if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) { |
| 3957 | mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len | |
| 3958 | MPI25_SCSIIO_IOFLAGS_FAST_PATH); |
| 3959 | mpt3sas_base_put_smid_fast_path(ioc, smid, handle); |
| 3960 | } else |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 3961 | mpt3sas_base_put_smid_scsi_io(ioc, smid, |
| 3962 | le16_to_cpu(mpi_request->DevHandle)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3963 | } else |
| 3964 | mpt3sas_base_put_smid_default(ioc, smid); |
| 3965 | return 0; |
| 3966 | |
| 3967 | out: |
| 3968 | return SCSI_MLQUEUE_HOST_BUSY; |
| 3969 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3970 | |
| 3971 | /** |
| 3972 | * _scsih_normalize_sense - normalize descriptor and fixed format sense data |
| 3973 | * @sense_buffer: sense data returned by target |
| 3974 | * @data: normalized skey/asc/ascq |
| 3975 | * |
| 3976 | * Return nothing. |
| 3977 | */ |
| 3978 | static void |
| 3979 | _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) |
| 3980 | { |
| 3981 | if ((sense_buffer[0] & 0x7F) >= 0x72) { |
| 3982 | /* descriptor format */ |
| 3983 | data->skey = sense_buffer[1] & 0x0F; |
| 3984 | data->asc = sense_buffer[2]; |
| 3985 | data->ascq = sense_buffer[3]; |
| 3986 | } else { |
| 3987 | /* fixed format */ |
| 3988 | data->skey = sense_buffer[2] & 0x0F; |
| 3989 | data->asc = sense_buffer[12]; |
| 3990 | data->ascq = sense_buffer[13]; |
| 3991 | } |
| 3992 | } |
| 3993 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 3994 | /** |
| 3995 | * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request |
| 3996 | * @ioc: per adapter object |
| 3997 | * @scmd: pointer to scsi command object |
| 3998 | * @mpi_reply: reply mf payload returned from firmware |
| 3999 | * |
| 4000 | * scsi_status - SCSI Status code returned from target device |
| 4001 | * scsi_state - state info associated with SCSI_IO determined by ioc |
| 4002 | * ioc_status - ioc supplied status info |
| 4003 | * |
| 4004 | * Return nothing. |
| 4005 | */ |
| 4006 | static void |
| 4007 | _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, |
| 4008 | Mpi2SCSIIOReply_t *mpi_reply, u16 smid) |
| 4009 | { |
| 4010 | u32 response_info; |
| 4011 | u8 *response_bytes; |
| 4012 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & |
| 4013 | MPI2_IOCSTATUS_MASK; |
| 4014 | u8 scsi_state = mpi_reply->SCSIState; |
| 4015 | u8 scsi_status = mpi_reply->SCSIStatus; |
| 4016 | char *desc_ioc_state = NULL; |
| 4017 | char *desc_scsi_status = NULL; |
| 4018 | char *desc_scsi_state = ioc->tmp_string; |
| 4019 | u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| 4020 | struct _sas_device *sas_device = NULL; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4021 | struct scsi_target *starget = scmd->device->sdev_target; |
| 4022 | struct MPT3SAS_TARGET *priv_target = starget->hostdata; |
| 4023 | char *device_str = NULL; |
| 4024 | |
| 4025 | if (!priv_target) |
| 4026 | return; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 4027 | if (ioc->hide_ir_msg) |
| 4028 | device_str = "WarpDrive"; |
| 4029 | else |
| 4030 | device_str = "volume"; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4031 | |
| 4032 | if (log_info == 0x31170000) |
| 4033 | return; |
| 4034 | |
| 4035 | switch (ioc_status) { |
| 4036 | case MPI2_IOCSTATUS_SUCCESS: |
| 4037 | desc_ioc_state = "success"; |
| 4038 | break; |
| 4039 | case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| 4040 | desc_ioc_state = "invalid function"; |
| 4041 | break; |
| 4042 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| 4043 | desc_ioc_state = "scsi recovered error"; |
| 4044 | break; |
| 4045 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: |
| 4046 | desc_ioc_state = "scsi invalid dev handle"; |
| 4047 | break; |
| 4048 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| 4049 | desc_ioc_state = "scsi device not there"; |
| 4050 | break; |
| 4051 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| 4052 | desc_ioc_state = "scsi data overrun"; |
| 4053 | break; |
| 4054 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| 4055 | desc_ioc_state = "scsi data underrun"; |
| 4056 | break; |
| 4057 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| 4058 | desc_ioc_state = "scsi io data error"; |
| 4059 | break; |
| 4060 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| 4061 | desc_ioc_state = "scsi protocol error"; |
| 4062 | break; |
| 4063 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| 4064 | desc_ioc_state = "scsi task terminated"; |
| 4065 | break; |
| 4066 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| 4067 | desc_ioc_state = "scsi residual mismatch"; |
| 4068 | break; |
| 4069 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| 4070 | desc_ioc_state = "scsi task mgmt failed"; |
| 4071 | break; |
| 4072 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| 4073 | desc_ioc_state = "scsi ioc terminated"; |
| 4074 | break; |
| 4075 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| 4076 | desc_ioc_state = "scsi ext terminated"; |
| 4077 | break; |
| 4078 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| 4079 | desc_ioc_state = "eedp guard error"; |
| 4080 | break; |
| 4081 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| 4082 | desc_ioc_state = "eedp ref tag error"; |
| 4083 | break; |
| 4084 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| 4085 | desc_ioc_state = "eedp app tag error"; |
| 4086 | break; |
| 4087 | default: |
| 4088 | desc_ioc_state = "unknown"; |
| 4089 | break; |
| 4090 | } |
| 4091 | |
| 4092 | switch (scsi_status) { |
| 4093 | case MPI2_SCSI_STATUS_GOOD: |
| 4094 | desc_scsi_status = "good"; |
| 4095 | break; |
| 4096 | case MPI2_SCSI_STATUS_CHECK_CONDITION: |
| 4097 | desc_scsi_status = "check condition"; |
| 4098 | break; |
| 4099 | case MPI2_SCSI_STATUS_CONDITION_MET: |
| 4100 | desc_scsi_status = "condition met"; |
| 4101 | break; |
| 4102 | case MPI2_SCSI_STATUS_BUSY: |
| 4103 | desc_scsi_status = "busy"; |
| 4104 | break; |
| 4105 | case MPI2_SCSI_STATUS_INTERMEDIATE: |
| 4106 | desc_scsi_status = "intermediate"; |
| 4107 | break; |
| 4108 | case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET: |
| 4109 | desc_scsi_status = "intermediate condmet"; |
| 4110 | break; |
| 4111 | case MPI2_SCSI_STATUS_RESERVATION_CONFLICT: |
| 4112 | desc_scsi_status = "reservation conflict"; |
| 4113 | break; |
| 4114 | case MPI2_SCSI_STATUS_COMMAND_TERMINATED: |
| 4115 | desc_scsi_status = "command terminated"; |
| 4116 | break; |
| 4117 | case MPI2_SCSI_STATUS_TASK_SET_FULL: |
| 4118 | desc_scsi_status = "task set full"; |
| 4119 | break; |
| 4120 | case MPI2_SCSI_STATUS_ACA_ACTIVE: |
| 4121 | desc_scsi_status = "aca active"; |
| 4122 | break; |
| 4123 | case MPI2_SCSI_STATUS_TASK_ABORTED: |
| 4124 | desc_scsi_status = "task aborted"; |
| 4125 | break; |
| 4126 | default: |
| 4127 | desc_scsi_status = "unknown"; |
| 4128 | break; |
| 4129 | } |
| 4130 | |
| 4131 | desc_scsi_state[0] = '\0'; |
| 4132 | if (!scsi_state) |
| 4133 | desc_scsi_state = " "; |
| 4134 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) |
| 4135 | strcat(desc_scsi_state, "response info "); |
| 4136 | if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| 4137 | strcat(desc_scsi_state, "state terminated "); |
| 4138 | if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS) |
| 4139 | strcat(desc_scsi_state, "no status "); |
| 4140 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED) |
| 4141 | strcat(desc_scsi_state, "autosense failed "); |
| 4142 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) |
| 4143 | strcat(desc_scsi_state, "autosense valid "); |
| 4144 | |
| 4145 | scsi_print_command(scmd); |
| 4146 | |
| 4147 | if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { |
| 4148 | pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name, |
| 4149 | device_str, (unsigned long long)priv_target->sas_address); |
| 4150 | } else { |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4151 | sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4152 | if (sas_device) { |
| 4153 | pr_warn(MPT3SAS_FMT |
| 4154 | "\tsas_address(0x%016llx), phy(%d)\n", |
| 4155 | ioc->name, (unsigned long long) |
| 4156 | sas_device->sas_address, sas_device->phy); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 4157 | if (sas_device->enclosure_handle != 0) |
| 4158 | pr_warn(MPT3SAS_FMT |
| 4159 | "\tenclosure_logical_id(0x%016llx)," |
| 4160 | "slot(%d)\n", ioc->name, |
| 4161 | (unsigned long long) |
| 4162 | sas_device->enclosure_logical_id, |
| 4163 | sas_device->slot); |
| 4164 | if (sas_device->connector_name[0]) |
| 4165 | pr_warn(MPT3SAS_FMT |
| 4166 | "\tenclosure level(0x%04x)," |
| 4167 | " connector name( %s)\n", ioc->name, |
| 4168 | sas_device->enclosure_level, |
| 4169 | sas_device->connector_name); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4170 | |
| 4171 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4172 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4173 | } |
| 4174 | |
| 4175 | pr_warn(MPT3SAS_FMT |
| 4176 | "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n", |
| 4177 | ioc->name, le16_to_cpu(mpi_reply->DevHandle), |
| 4178 | desc_ioc_state, ioc_status, smid); |
| 4179 | pr_warn(MPT3SAS_FMT |
| 4180 | "\trequest_len(%d), underflow(%d), resid(%d)\n", |
| 4181 | ioc->name, scsi_bufflen(scmd), scmd->underflow, |
| 4182 | scsi_get_resid(scmd)); |
| 4183 | pr_warn(MPT3SAS_FMT |
| 4184 | "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n", |
| 4185 | ioc->name, le16_to_cpu(mpi_reply->TaskTag), |
| 4186 | le32_to_cpu(mpi_reply->TransferCount), scmd->result); |
| 4187 | pr_warn(MPT3SAS_FMT |
| 4188 | "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n", |
| 4189 | ioc->name, desc_scsi_status, |
| 4190 | scsi_status, desc_scsi_state, scsi_state); |
| 4191 | |
| 4192 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { |
| 4193 | struct sense_info data; |
| 4194 | _scsih_normalize_sense(scmd->sense_buffer, &data); |
| 4195 | pr_warn(MPT3SAS_FMT |
| 4196 | "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n", |
| 4197 | ioc->name, data.skey, |
| 4198 | data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); |
| 4199 | } |
| 4200 | |
| 4201 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { |
| 4202 | response_info = le32_to_cpu(mpi_reply->ResponseInfo); |
| 4203 | response_bytes = (u8 *)&response_info; |
| 4204 | _scsih_response_code(ioc, response_bytes[0]); |
| 4205 | } |
| 4206 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4207 | |
| 4208 | /** |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4209 | * _scsih_turn_on_pfa_led - illuminate PFA LED |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4210 | * @ioc: per adapter object |
| 4211 | * @handle: device handle |
| 4212 | * Context: process |
| 4213 | * |
| 4214 | * Return nothing. |
| 4215 | */ |
| 4216 | static void |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4217 | _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4218 | { |
| 4219 | Mpi2SepReply_t mpi_reply; |
| 4220 | Mpi2SepRequest_t mpi_request; |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4221 | struct _sas_device *sas_device; |
| 4222 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4223 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4224 | if (!sas_device) |
| 4225 | return; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4226 | |
| 4227 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); |
| 4228 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; |
| 4229 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; |
| 4230 | mpi_request.SlotStatus = |
| 4231 | cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); |
| 4232 | mpi_request.DevHandle = cpu_to_le16(handle); |
| 4233 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; |
| 4234 | if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply, |
| 4235 | &mpi_request)) != 0) { |
| 4236 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, |
| 4237 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4238 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4239 | } |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4240 | sas_device->pfa_led_on = 1; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4241 | |
| 4242 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { |
| 4243 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 4244 | "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", |
| 4245 | ioc->name, le16_to_cpu(mpi_reply.IOCStatus), |
| 4246 | le32_to_cpu(mpi_reply.IOCLogInfo))); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4247 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4248 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4249 | out: |
| 4250 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4251 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4252 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4253 | /** |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4254 | * _scsih_turn_off_pfa_led - turn off Fault LED |
| 4255 | * @ioc: per adapter object |
| 4256 | * @sas_device: sas device whose PFA LED has to turned off |
| 4257 | * Context: process |
| 4258 | * |
| 4259 | * Return nothing. |
| 4260 | */ |
| 4261 | static void |
| 4262 | _scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc, |
| 4263 | struct _sas_device *sas_device) |
| 4264 | { |
| 4265 | Mpi2SepReply_t mpi_reply; |
| 4266 | Mpi2SepRequest_t mpi_request; |
| 4267 | |
| 4268 | memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); |
| 4269 | mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; |
| 4270 | mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; |
| 4271 | mpi_request.SlotStatus = 0; |
| 4272 | mpi_request.Slot = cpu_to_le16(sas_device->slot); |
| 4273 | mpi_request.DevHandle = 0; |
| 4274 | mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle); |
| 4275 | mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS; |
| 4276 | if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply, |
| 4277 | &mpi_request)) != 0) { |
| 4278 | printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, |
| 4279 | __FILE__, __LINE__, __func__); |
| 4280 | return; |
| 4281 | } |
| 4282 | |
| 4283 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { |
| 4284 | dewtprintk(ioc, printk(MPT3SAS_FMT |
| 4285 | "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n", |
| 4286 | ioc->name, le16_to_cpu(mpi_reply.IOCStatus), |
| 4287 | le32_to_cpu(mpi_reply.IOCLogInfo))); |
| 4288 | return; |
| 4289 | } |
| 4290 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4291 | |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4292 | /** |
| 4293 | * _scsih_send_event_to_turn_on_pfa_led - fire delayed event |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4294 | * @ioc: per adapter object |
| 4295 | * @handle: device handle |
| 4296 | * Context: interrupt. |
| 4297 | * |
| 4298 | * Return nothing. |
| 4299 | */ |
| 4300 | static void |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4301 | _scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4302 | { |
| 4303 | struct fw_event_work *fw_event; |
| 4304 | |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 4305 | fw_event = alloc_fw_event_work(0); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4306 | if (!fw_event) |
| 4307 | return; |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4308 | fw_event->event = MPT3SAS_TURN_ON_PFA_LED; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4309 | fw_event->device_handle = handle; |
| 4310 | fw_event->ioc = ioc; |
| 4311 | _scsih_fw_event_add(ioc, fw_event); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 4312 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4313 | } |
| 4314 | |
| 4315 | /** |
| 4316 | * _scsih_smart_predicted_fault - process smart errors |
| 4317 | * @ioc: per adapter object |
| 4318 | * @handle: device handle |
| 4319 | * Context: interrupt. |
| 4320 | * |
| 4321 | * Return nothing. |
| 4322 | */ |
| 4323 | static void |
| 4324 | _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 4325 | { |
| 4326 | struct scsi_target *starget; |
| 4327 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 4328 | Mpi2EventNotificationReply_t *event_reply; |
| 4329 | Mpi2EventDataSasDeviceStatusChange_t *event_data; |
| 4330 | struct _sas_device *sas_device; |
| 4331 | ssize_t sz; |
| 4332 | unsigned long flags; |
| 4333 | |
| 4334 | /* only handle non-raid devices */ |
| 4335 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4336 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
| 4337 | if (!sas_device) |
| 4338 | goto out_unlock; |
| 4339 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4340 | starget = sas_device->starget; |
| 4341 | sas_target_priv_data = starget->hostdata; |
| 4342 | |
| 4343 | if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4344 | ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) |
| 4345 | goto out_unlock; |
| 4346 | |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 4347 | if (sas_device->enclosure_handle != 0) |
| 4348 | starget_printk(KERN_INFO, starget, "predicted fault, " |
| 4349 | "enclosure logical id(0x%016llx), slot(%d)\n", |
| 4350 | (unsigned long long)sas_device->enclosure_logical_id, |
| 4351 | sas_device->slot); |
| 4352 | if (sas_device->connector_name[0] != '\0') |
| 4353 | starget_printk(KERN_WARNING, starget, "predicted fault, " |
| 4354 | "enclosure level(0x%04x), connector name( %s)\n", |
| 4355 | sas_device->enclosure_level, |
| 4356 | sas_device->connector_name); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4357 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 4358 | |
| 4359 | if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 4360 | _scsih_send_event_to_turn_on_pfa_led(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4361 | |
| 4362 | /* insert into event log */ |
| 4363 | sz = offsetof(Mpi2EventNotificationReply_t, EventData) + |
| 4364 | sizeof(Mpi2EventDataSasDeviceStatusChange_t); |
| 4365 | event_reply = kzalloc(sz, GFP_KERNEL); |
| 4366 | if (!event_reply) { |
| 4367 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4368 | ioc->name, __FILE__, __LINE__, __func__); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4369 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4370 | } |
| 4371 | |
| 4372 | event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; |
| 4373 | event_reply->Event = |
| 4374 | cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); |
| 4375 | event_reply->MsgLength = sz/4; |
| 4376 | event_reply->EventDataLength = |
| 4377 | cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4); |
| 4378 | event_data = (Mpi2EventDataSasDeviceStatusChange_t *) |
| 4379 | event_reply->EventData; |
| 4380 | event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA; |
| 4381 | event_data->ASC = 0x5D; |
| 4382 | event_data->DevHandle = cpu_to_le16(handle); |
| 4383 | event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); |
| 4384 | mpt3sas_ctl_add_to_event_log(ioc, event_reply); |
| 4385 | kfree(event_reply); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 4386 | out: |
| 4387 | if (sas_device) |
| 4388 | sas_device_put(sas_device); |
| 4389 | return; |
| 4390 | |
| 4391 | out_unlock: |
| 4392 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 4393 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4394 | } |
| 4395 | |
| 4396 | /** |
| 4397 | * _scsih_io_done - scsi request callback |
| 4398 | * @ioc: per adapter object |
| 4399 | * @smid: system request message index |
| 4400 | * @msix_index: MSIX table index supplied by the OS |
| 4401 | * @reply: reply message frame(lower 32bit addr) |
| 4402 | * |
| 4403 | * Callback handler when using _scsih_qcmd. |
| 4404 | * |
| 4405 | * Return 1 meaning mf should be freed from _base_interrupt |
| 4406 | * 0 means the mf is freed from this function. |
| 4407 | */ |
| 4408 | static u8 |
| 4409 | _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| 4410 | { |
| 4411 | Mpi2SCSIIORequest_t *mpi_request; |
| 4412 | Mpi2SCSIIOReply_t *mpi_reply; |
| 4413 | struct scsi_cmnd *scmd; |
| 4414 | u16 ioc_status; |
| 4415 | u32 xfer_cnt; |
| 4416 | u8 scsi_state; |
| 4417 | u8 scsi_status; |
| 4418 | u32 log_info; |
| 4419 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 4420 | u32 response_code = 0; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 4421 | unsigned long flags; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4422 | |
| 4423 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 4424 | scmd = _scsih_scsi_lookup_get_clear(ioc, smid); |
| 4425 | if (scmd == NULL) |
| 4426 | return 1; |
| 4427 | |
| 4428 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 4429 | |
| 4430 | if (mpi_reply == NULL) { |
| 4431 | scmd->result = DID_OK << 16; |
| 4432 | goto out; |
| 4433 | } |
| 4434 | |
| 4435 | sas_device_priv_data = scmd->device->hostdata; |
| 4436 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target || |
| 4437 | sas_device_priv_data->sas_target->deleted) { |
| 4438 | scmd->result = DID_NO_CONNECT << 16; |
| 4439 | goto out; |
| 4440 | } |
| 4441 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
| 4442 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 4443 | /* |
| 4444 | * WARPDRIVE: If direct_io is set then it is directIO, |
| 4445 | * the failed direct I/O should be redirected to volume |
| 4446 | */ |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 4447 | if (mpt3sas_scsi_direct_io_get(ioc, smid) && |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 4448 | ((ioc_status & MPI2_IOCSTATUS_MASK) |
| 4449 | != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) { |
| 4450 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 4451 | ioc->scsi_lookup[smid - 1].scmd = scmd; |
| 4452 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 4453 | mpt3sas_scsi_direct_io_set(ioc, smid, 0); |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 4454 | memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); |
| 4455 | mpi_request->DevHandle = |
| 4456 | cpu_to_le16(sas_device_priv_data->sas_target->handle); |
| 4457 | mpt3sas_base_put_smid_scsi_io(ioc, smid, |
| 4458 | sas_device_priv_data->sas_target->handle); |
| 4459 | return 0; |
| 4460 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4461 | /* turning off TLR */ |
| 4462 | scsi_state = mpi_reply->SCSIState; |
| 4463 | if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) |
| 4464 | response_code = |
| 4465 | le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; |
| 4466 | if (!sas_device_priv_data->tlr_snoop_check) { |
| 4467 | sas_device_priv_data->tlr_snoop_check++; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 4468 | if (!ioc->is_warpdrive && |
| 4469 | !scsih_is_raid(&scmd->device->sdev_gendev) && |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 4470 | sas_is_tlr_enabled(scmd->device) && |
| 4471 | response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { |
| 4472 | sas_disable_tlr(scmd->device); |
| 4473 | sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); |
| 4474 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4475 | } |
| 4476 | |
| 4477 | xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); |
| 4478 | scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); |
| 4479 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) |
| 4480 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| 4481 | else |
| 4482 | log_info = 0; |
| 4483 | ioc_status &= MPI2_IOCSTATUS_MASK; |
| 4484 | scsi_status = mpi_reply->SCSIStatus; |
| 4485 | |
| 4486 | if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && |
| 4487 | (scsi_status == MPI2_SCSI_STATUS_BUSY || |
| 4488 | scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT || |
| 4489 | scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) { |
| 4490 | ioc_status = MPI2_IOCSTATUS_SUCCESS; |
| 4491 | } |
| 4492 | |
| 4493 | if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) { |
| 4494 | struct sense_info data; |
| 4495 | const void *sense_data = mpt3sas_base_get_sense_buffer(ioc, |
| 4496 | smid); |
| 4497 | u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE, |
| 4498 | le32_to_cpu(mpi_reply->SenseCount)); |
| 4499 | memcpy(scmd->sense_buffer, sense_data, sz); |
| 4500 | _scsih_normalize_sense(scmd->sense_buffer, &data); |
| 4501 | /* failure prediction threshold exceeded */ |
| 4502 | if (data.asc == 0x5D) |
| 4503 | _scsih_smart_predicted_fault(ioc, |
| 4504 | le16_to_cpu(mpi_reply->DevHandle)); |
| 4505 | mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4506 | |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 4507 | if (!(ioc->logging_level & MPT_DEBUG_REPLY) && |
| 4508 | ((scmd->sense_buffer[2] == UNIT_ATTENTION) || |
| 4509 | (scmd->sense_buffer[2] == MEDIUM_ERROR) || |
| 4510 | (scmd->sense_buffer[2] == HARDWARE_ERROR))) |
| 4511 | _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 4512 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4513 | switch (ioc_status) { |
| 4514 | case MPI2_IOCSTATUS_BUSY: |
| 4515 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: |
| 4516 | scmd->result = SAM_STAT_BUSY; |
| 4517 | break; |
| 4518 | |
| 4519 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| 4520 | scmd->result = DID_NO_CONNECT << 16; |
| 4521 | break; |
| 4522 | |
| 4523 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| 4524 | if (sas_device_priv_data->block) { |
| 4525 | scmd->result = DID_TRANSPORT_DISRUPTED << 16; |
| 4526 | goto out; |
| 4527 | } |
| 4528 | if (log_info == 0x31110630) { |
| 4529 | if (scmd->retries > 2) { |
| 4530 | scmd->result = DID_NO_CONNECT << 16; |
| 4531 | scsi_device_set_state(scmd->device, |
| 4532 | SDEV_OFFLINE); |
| 4533 | } else { |
| 4534 | scmd->result = DID_SOFT_ERROR << 16; |
| 4535 | scmd->device->expecting_cc_ua = 1; |
| 4536 | } |
| 4537 | break; |
Sreekanth Reddy | 3898f08 | 2015-06-30 12:25:00 +0530 | [diff] [blame] | 4538 | } else if (log_info == VIRTUAL_IO_FAILED_RETRY) { |
| 4539 | scmd->result = DID_RESET << 16; |
| 4540 | break; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4541 | } |
| 4542 | scmd->result = DID_SOFT_ERROR << 16; |
| 4543 | break; |
| 4544 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| 4545 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| 4546 | scmd->result = DID_RESET << 16; |
| 4547 | break; |
| 4548 | |
| 4549 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| 4550 | if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt)) |
| 4551 | scmd->result = DID_SOFT_ERROR << 16; |
| 4552 | else |
| 4553 | scmd->result = (DID_OK << 16) | scsi_status; |
| 4554 | break; |
| 4555 | |
| 4556 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| 4557 | scmd->result = (DID_OK << 16) | scsi_status; |
| 4558 | |
| 4559 | if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)) |
| 4560 | break; |
| 4561 | |
| 4562 | if (xfer_cnt < scmd->underflow) { |
| 4563 | if (scsi_status == SAM_STAT_BUSY) |
| 4564 | scmd->result = SAM_STAT_BUSY; |
| 4565 | else |
| 4566 | scmd->result = DID_SOFT_ERROR << 16; |
| 4567 | } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | |
| 4568 | MPI2_SCSI_STATE_NO_SCSI_STATUS)) |
| 4569 | scmd->result = DID_SOFT_ERROR << 16; |
| 4570 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| 4571 | scmd->result = DID_RESET << 16; |
| 4572 | else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) { |
| 4573 | mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID; |
| 4574 | mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION; |
| 4575 | scmd->result = (DRIVER_SENSE << 24) | |
| 4576 | SAM_STAT_CHECK_CONDITION; |
| 4577 | scmd->sense_buffer[0] = 0x70; |
| 4578 | scmd->sense_buffer[2] = ILLEGAL_REQUEST; |
| 4579 | scmd->sense_buffer[12] = 0x20; |
| 4580 | scmd->sense_buffer[13] = 0; |
| 4581 | } |
| 4582 | break; |
| 4583 | |
| 4584 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| 4585 | scsi_set_resid(scmd, 0); |
| 4586 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| 4587 | case MPI2_IOCSTATUS_SUCCESS: |
| 4588 | scmd->result = (DID_OK << 16) | scsi_status; |
| 4589 | if (response_code == |
| 4590 | MPI2_SCSITASKMGMT_RSP_INVALID_FRAME || |
| 4591 | (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED | |
| 4592 | MPI2_SCSI_STATE_NO_SCSI_STATUS))) |
| 4593 | scmd->result = DID_SOFT_ERROR << 16; |
| 4594 | else if (scsi_state & MPI2_SCSI_STATE_TERMINATED) |
| 4595 | scmd->result = DID_RESET << 16; |
| 4596 | break; |
| 4597 | |
| 4598 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| 4599 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| 4600 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| 4601 | _scsih_eedp_error_handling(scmd, ioc_status); |
| 4602 | break; |
| 4603 | |
| 4604 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| 4605 | case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| 4606 | case MPI2_IOCSTATUS_INVALID_SGL: |
| 4607 | case MPI2_IOCSTATUS_INTERNAL_ERROR: |
| 4608 | case MPI2_IOCSTATUS_INVALID_FIELD: |
| 4609 | case MPI2_IOCSTATUS_INVALID_STATE: |
| 4610 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| 4611 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| 4612 | default: |
| 4613 | scmd->result = DID_SOFT_ERROR << 16; |
| 4614 | break; |
| 4615 | |
| 4616 | } |
| 4617 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4618 | if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) |
| 4619 | _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 4620 | |
| 4621 | out: |
| 4622 | |
| 4623 | scsi_dma_unmap(scmd); |
| 4624 | |
| 4625 | scmd->scsi_done(scmd); |
| 4626 | return 1; |
| 4627 | } |
| 4628 | |
| 4629 | /** |
| 4630 | * _scsih_sas_host_refresh - refreshing sas host object contents |
| 4631 | * @ioc: per adapter object |
| 4632 | * Context: user |
| 4633 | * |
| 4634 | * During port enable, fw will send topology events for every device. Its |
| 4635 | * possible that the handles may change from the previous setting, so this |
| 4636 | * code keeping handles updating if changed. |
| 4637 | * |
| 4638 | * Return nothing. |
| 4639 | */ |
| 4640 | static void |
| 4641 | _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc) |
| 4642 | { |
| 4643 | u16 sz; |
| 4644 | u16 ioc_status; |
| 4645 | int i; |
| 4646 | Mpi2ConfigReply_t mpi_reply; |
| 4647 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| 4648 | u16 attached_handle; |
| 4649 | u8 link_rate; |
| 4650 | |
| 4651 | dtmprintk(ioc, pr_info(MPT3SAS_FMT |
| 4652 | "updating handles for sas_host(0x%016llx)\n", |
| 4653 | ioc->name, (unsigned long long)ioc->sas_hba.sas_address)); |
| 4654 | |
| 4655 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys |
| 4656 | * sizeof(Mpi2SasIOUnit0PhyData_t)); |
| 4657 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| 4658 | if (!sas_iounit_pg0) { |
| 4659 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4660 | ioc->name, __FILE__, __LINE__, __func__); |
| 4661 | return; |
| 4662 | } |
| 4663 | |
| 4664 | if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| 4665 | sas_iounit_pg0, sz)) != 0) |
| 4666 | goto out; |
| 4667 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| 4668 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| 4669 | goto out; |
| 4670 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| 4671 | link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; |
| 4672 | if (i == 0) |
| 4673 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> |
| 4674 | PhyData[0].ControllerDevHandle); |
| 4675 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; |
| 4676 | attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. |
| 4677 | AttachedDevHandle); |
| 4678 | if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
| 4679 | link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; |
| 4680 | mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address, |
| 4681 | attached_handle, i, link_rate); |
| 4682 | } |
| 4683 | out: |
| 4684 | kfree(sas_iounit_pg0); |
| 4685 | } |
| 4686 | |
| 4687 | /** |
| 4688 | * _scsih_sas_host_add - create sas host object |
| 4689 | * @ioc: per adapter object |
| 4690 | * |
| 4691 | * Creating host side data object, stored in ioc->sas_hba |
| 4692 | * |
| 4693 | * Return nothing. |
| 4694 | */ |
| 4695 | static void |
| 4696 | _scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc) |
| 4697 | { |
| 4698 | int i; |
| 4699 | Mpi2ConfigReply_t mpi_reply; |
| 4700 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| 4701 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
| 4702 | Mpi2SasPhyPage0_t phy_pg0; |
| 4703 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 4704 | Mpi2SasEnclosurePage0_t enclosure_pg0; |
| 4705 | u16 ioc_status; |
| 4706 | u16 sz; |
| 4707 | u8 device_missing_delay; |
| 4708 | |
| 4709 | mpt3sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys); |
| 4710 | if (!ioc->sas_hba.num_phys) { |
| 4711 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4712 | ioc->name, __FILE__, __LINE__, __func__); |
| 4713 | return; |
| 4714 | } |
| 4715 | |
| 4716 | /* sas_iounit page 0 */ |
| 4717 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * |
| 4718 | sizeof(Mpi2SasIOUnit0PhyData_t)); |
| 4719 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| 4720 | if (!sas_iounit_pg0) { |
| 4721 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4722 | ioc->name, __FILE__, __LINE__, __func__); |
| 4723 | return; |
| 4724 | } |
| 4725 | if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| 4726 | sas_iounit_pg0, sz))) { |
| 4727 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4728 | ioc->name, __FILE__, __LINE__, __func__); |
| 4729 | goto out; |
| 4730 | } |
| 4731 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 4732 | MPI2_IOCSTATUS_MASK; |
| 4733 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 4734 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4735 | ioc->name, __FILE__, __LINE__, __func__); |
| 4736 | goto out; |
| 4737 | } |
| 4738 | |
| 4739 | /* sas_iounit page 1 */ |
| 4740 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * |
| 4741 | sizeof(Mpi2SasIOUnit1PhyData_t)); |
| 4742 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); |
| 4743 | if (!sas_iounit_pg1) { |
| 4744 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4745 | ioc->name, __FILE__, __LINE__, __func__); |
| 4746 | goto out; |
| 4747 | } |
| 4748 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, |
| 4749 | sas_iounit_pg1, sz))) { |
| 4750 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4751 | ioc->name, __FILE__, __LINE__, __func__); |
| 4752 | goto out; |
| 4753 | } |
| 4754 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 4755 | MPI2_IOCSTATUS_MASK; |
| 4756 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 4757 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4758 | ioc->name, __FILE__, __LINE__, __func__); |
| 4759 | goto out; |
| 4760 | } |
| 4761 | |
| 4762 | ioc->io_missing_delay = |
| 4763 | sas_iounit_pg1->IODeviceMissingDelay; |
| 4764 | device_missing_delay = |
| 4765 | sas_iounit_pg1->ReportDeviceMissingDelay; |
| 4766 | if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) |
| 4767 | ioc->device_missing_delay = (device_missing_delay & |
| 4768 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; |
| 4769 | else |
| 4770 | ioc->device_missing_delay = device_missing_delay & |
| 4771 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; |
| 4772 | |
| 4773 | ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev; |
| 4774 | ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys, |
| 4775 | sizeof(struct _sas_phy), GFP_KERNEL); |
| 4776 | if (!ioc->sas_hba.phy) { |
| 4777 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4778 | ioc->name, __FILE__, __LINE__, __func__); |
| 4779 | goto out; |
| 4780 | } |
| 4781 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| 4782 | if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, |
| 4783 | i))) { |
| 4784 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4785 | ioc->name, __FILE__, __LINE__, __func__); |
| 4786 | goto out; |
| 4787 | } |
| 4788 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 4789 | MPI2_IOCSTATUS_MASK; |
| 4790 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 4791 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4792 | ioc->name, __FILE__, __LINE__, __func__); |
| 4793 | goto out; |
| 4794 | } |
| 4795 | |
| 4796 | if (i == 0) |
| 4797 | ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> |
| 4798 | PhyData[0].ControllerDevHandle); |
| 4799 | ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; |
| 4800 | ioc->sas_hba.phy[i].phy_id = i; |
| 4801 | mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i], |
| 4802 | phy_pg0, ioc->sas_hba.parent_dev); |
| 4803 | } |
| 4804 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 4805 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) { |
| 4806 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4807 | ioc->name, __FILE__, __LINE__, __func__); |
| 4808 | goto out; |
| 4809 | } |
| 4810 | ioc->sas_hba.enclosure_handle = |
| 4811 | le16_to_cpu(sas_device_pg0.EnclosureHandle); |
| 4812 | ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| 4813 | pr_info(MPT3SAS_FMT |
| 4814 | "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n", |
| 4815 | ioc->name, ioc->sas_hba.handle, |
| 4816 | (unsigned long long) ioc->sas_hba.sas_address, |
| 4817 | ioc->sas_hba.num_phys) ; |
| 4818 | |
| 4819 | if (ioc->sas_hba.enclosure_handle) { |
| 4820 | if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| 4821 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| 4822 | ioc->sas_hba.enclosure_handle))) |
| 4823 | ioc->sas_hba.enclosure_logical_id = |
| 4824 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| 4825 | } |
| 4826 | |
| 4827 | out: |
| 4828 | kfree(sas_iounit_pg1); |
| 4829 | kfree(sas_iounit_pg0); |
| 4830 | } |
| 4831 | |
| 4832 | /** |
| 4833 | * _scsih_expander_add - creating expander object |
| 4834 | * @ioc: per adapter object |
| 4835 | * @handle: expander handle |
| 4836 | * |
| 4837 | * Creating expander object, stored in ioc->sas_expander_list. |
| 4838 | * |
| 4839 | * Return 0 for success, else error. |
| 4840 | */ |
| 4841 | static int |
| 4842 | _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 4843 | { |
| 4844 | struct _sas_node *sas_expander; |
| 4845 | Mpi2ConfigReply_t mpi_reply; |
| 4846 | Mpi2ExpanderPage0_t expander_pg0; |
| 4847 | Mpi2ExpanderPage1_t expander_pg1; |
| 4848 | Mpi2SasEnclosurePage0_t enclosure_pg0; |
| 4849 | u32 ioc_status; |
| 4850 | u16 parent_handle; |
| 4851 | u64 sas_address, sas_address_parent = 0; |
| 4852 | int i; |
| 4853 | unsigned long flags; |
| 4854 | struct _sas_port *mpt3sas_port = NULL; |
| 4855 | |
| 4856 | int rc = 0; |
| 4857 | |
| 4858 | if (!handle) |
| 4859 | return -1; |
| 4860 | |
| 4861 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
| 4862 | return -1; |
| 4863 | |
| 4864 | if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| 4865 | MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) { |
| 4866 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4867 | ioc->name, __FILE__, __LINE__, __func__); |
| 4868 | return -1; |
| 4869 | } |
| 4870 | |
| 4871 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 4872 | MPI2_IOCSTATUS_MASK; |
| 4873 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 4874 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4875 | ioc->name, __FILE__, __LINE__, __func__); |
| 4876 | return -1; |
| 4877 | } |
| 4878 | |
| 4879 | /* handle out of order topology events */ |
| 4880 | parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle); |
| 4881 | if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent) |
| 4882 | != 0) { |
| 4883 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4884 | ioc->name, __FILE__, __LINE__, __func__); |
| 4885 | return -1; |
| 4886 | } |
| 4887 | if (sas_address_parent != ioc->sas_hba.sas_address) { |
| 4888 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 4889 | sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| 4890 | sas_address_parent); |
| 4891 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 4892 | if (!sas_expander) { |
| 4893 | rc = _scsih_expander_add(ioc, parent_handle); |
| 4894 | if (rc != 0) |
| 4895 | return rc; |
| 4896 | } |
| 4897 | } |
| 4898 | |
| 4899 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 4900 | sas_address = le64_to_cpu(expander_pg0.SASAddress); |
| 4901 | sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| 4902 | sas_address); |
| 4903 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 4904 | |
| 4905 | if (sas_expander) |
| 4906 | return 0; |
| 4907 | |
| 4908 | sas_expander = kzalloc(sizeof(struct _sas_node), |
| 4909 | GFP_KERNEL); |
| 4910 | if (!sas_expander) { |
| 4911 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4912 | ioc->name, __FILE__, __LINE__, __func__); |
| 4913 | return -1; |
| 4914 | } |
| 4915 | |
| 4916 | sas_expander->handle = handle; |
| 4917 | sas_expander->num_phys = expander_pg0.NumPhys; |
| 4918 | sas_expander->sas_address_parent = sas_address_parent; |
| 4919 | sas_expander->sas_address = sas_address; |
| 4920 | |
| 4921 | pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \ |
| 4922 | " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name, |
| 4923 | handle, parent_handle, (unsigned long long) |
| 4924 | sas_expander->sas_address, sas_expander->num_phys); |
| 4925 | |
| 4926 | if (!sas_expander->num_phys) |
| 4927 | goto out_fail; |
| 4928 | sas_expander->phy = kcalloc(sas_expander->num_phys, |
| 4929 | sizeof(struct _sas_phy), GFP_KERNEL); |
| 4930 | if (!sas_expander->phy) { |
| 4931 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4932 | ioc->name, __FILE__, __LINE__, __func__); |
| 4933 | rc = -1; |
| 4934 | goto out_fail; |
| 4935 | } |
| 4936 | |
| 4937 | INIT_LIST_HEAD(&sas_expander->sas_port_list); |
| 4938 | mpt3sas_port = mpt3sas_transport_port_add(ioc, handle, |
| 4939 | sas_address_parent); |
| 4940 | if (!mpt3sas_port) { |
| 4941 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4942 | ioc->name, __FILE__, __LINE__, __func__); |
| 4943 | rc = -1; |
| 4944 | goto out_fail; |
| 4945 | } |
| 4946 | sas_expander->parent_dev = &mpt3sas_port->rphy->dev; |
| 4947 | |
| 4948 | for (i = 0 ; i < sas_expander->num_phys ; i++) { |
| 4949 | if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, |
| 4950 | &expander_pg1, i, handle))) { |
| 4951 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4952 | ioc->name, __FILE__, __LINE__, __func__); |
| 4953 | rc = -1; |
| 4954 | goto out_fail; |
| 4955 | } |
| 4956 | sas_expander->phy[i].handle = handle; |
| 4957 | sas_expander->phy[i].phy_id = i; |
| 4958 | |
| 4959 | if ((mpt3sas_transport_add_expander_phy(ioc, |
| 4960 | &sas_expander->phy[i], expander_pg1, |
| 4961 | sas_expander->parent_dev))) { |
| 4962 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 4963 | ioc->name, __FILE__, __LINE__, __func__); |
| 4964 | rc = -1; |
| 4965 | goto out_fail; |
| 4966 | } |
| 4967 | } |
| 4968 | |
| 4969 | if (sas_expander->enclosure_handle) { |
| 4970 | if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply, |
| 4971 | &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| 4972 | sas_expander->enclosure_handle))) |
| 4973 | sas_expander->enclosure_logical_id = |
| 4974 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| 4975 | } |
| 4976 | |
| 4977 | _scsih_expander_node_add(ioc, sas_expander); |
| 4978 | return 0; |
| 4979 | |
| 4980 | out_fail: |
| 4981 | |
| 4982 | if (mpt3sas_port) |
| 4983 | mpt3sas_transport_port_remove(ioc, sas_expander->sas_address, |
| 4984 | sas_address_parent); |
| 4985 | kfree(sas_expander); |
| 4986 | return rc; |
| 4987 | } |
| 4988 | |
| 4989 | /** |
| 4990 | * mpt3sas_expander_remove - removing expander object |
| 4991 | * @ioc: per adapter object |
| 4992 | * @sas_address: expander sas_address |
| 4993 | * |
| 4994 | * Return nothing. |
| 4995 | */ |
| 4996 | void |
| 4997 | mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) |
| 4998 | { |
| 4999 | struct _sas_node *sas_expander; |
| 5000 | unsigned long flags; |
| 5001 | |
| 5002 | if (ioc->shost_recovery) |
| 5003 | return; |
| 5004 | |
| 5005 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 5006 | sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| 5007 | sas_address); |
| 5008 | if (sas_expander) |
| 5009 | list_del(&sas_expander->list); |
| 5010 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 5011 | if (sas_expander) |
| 5012 | _scsih_expander_node_remove(ioc, sas_expander); |
| 5013 | } |
| 5014 | |
| 5015 | /** |
| 5016 | * _scsih_done - internal SCSI_IO callback handler. |
| 5017 | * @ioc: per adapter object |
| 5018 | * @smid: system request message index |
| 5019 | * @msix_index: MSIX table index supplied by the OS |
| 5020 | * @reply: reply message frame(lower 32bit addr) |
| 5021 | * |
| 5022 | * Callback handler when sending internal generated SCSI_IO. |
| 5023 | * The callback index passed is `ioc->scsih_cb_idx` |
| 5024 | * |
| 5025 | * Return 1 meaning mf should be freed from _base_interrupt |
| 5026 | * 0 means the mf is freed from this function. |
| 5027 | */ |
| 5028 | static u8 |
| 5029 | _scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) |
| 5030 | { |
| 5031 | MPI2DefaultReply_t *mpi_reply; |
| 5032 | |
| 5033 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 5034 | if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED) |
| 5035 | return 1; |
| 5036 | if (ioc->scsih_cmds.smid != smid) |
| 5037 | return 1; |
| 5038 | ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE; |
| 5039 | if (mpi_reply) { |
| 5040 | memcpy(ioc->scsih_cmds.reply, mpi_reply, |
| 5041 | mpi_reply->MsgLength*4); |
| 5042 | ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID; |
| 5043 | } |
| 5044 | ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING; |
| 5045 | complete(&ioc->scsih_cmds.done); |
| 5046 | return 1; |
| 5047 | } |
| 5048 | |
| 5049 | |
| 5050 | |
| 5051 | |
| 5052 | #define MPT3_MAX_LUNS (255) |
| 5053 | |
| 5054 | |
| 5055 | /** |
| 5056 | * _scsih_check_access_status - check access flags |
| 5057 | * @ioc: per adapter object |
| 5058 | * @sas_address: sas address |
| 5059 | * @handle: sas device handle |
| 5060 | * @access_flags: errors returned during discovery of the device |
| 5061 | * |
| 5062 | * Return 0 for success, else failure |
| 5063 | */ |
| 5064 | static u8 |
| 5065 | _scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, |
| 5066 | u16 handle, u8 access_status) |
| 5067 | { |
| 5068 | u8 rc = 1; |
| 5069 | char *desc = NULL; |
| 5070 | |
| 5071 | switch (access_status) { |
| 5072 | case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: |
| 5073 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: |
| 5074 | rc = 0; |
| 5075 | break; |
| 5076 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: |
| 5077 | desc = "sata capability failed"; |
| 5078 | break; |
| 5079 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: |
| 5080 | desc = "sata affiliation conflict"; |
| 5081 | break; |
| 5082 | case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: |
| 5083 | desc = "route not addressable"; |
| 5084 | break; |
| 5085 | case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: |
| 5086 | desc = "smp error not addressable"; |
| 5087 | break; |
| 5088 | case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: |
| 5089 | desc = "device blocked"; |
| 5090 | break; |
| 5091 | case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: |
| 5092 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: |
| 5093 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: |
| 5094 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: |
| 5095 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: |
| 5096 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: |
| 5097 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: |
| 5098 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: |
| 5099 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: |
| 5100 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: |
| 5101 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: |
| 5102 | case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: |
| 5103 | desc = "sata initialization failed"; |
| 5104 | break; |
| 5105 | default: |
| 5106 | desc = "unknown"; |
| 5107 | break; |
| 5108 | } |
| 5109 | |
| 5110 | if (!rc) |
| 5111 | return 0; |
| 5112 | |
| 5113 | pr_err(MPT3SAS_FMT |
| 5114 | "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n", |
| 5115 | ioc->name, desc, (unsigned long long)sas_address, handle); |
| 5116 | return rc; |
| 5117 | } |
| 5118 | |
| 5119 | /** |
| 5120 | * _scsih_check_device - checking device responsiveness |
| 5121 | * @ioc: per adapter object |
| 5122 | * @parent_sas_address: sas address of parent expander or sas host |
| 5123 | * @handle: attached device handle |
| 5124 | * @phy_numberv: phy number |
| 5125 | * @link_rate: new link rate |
| 5126 | * |
| 5127 | * Returns nothing. |
| 5128 | */ |
| 5129 | static void |
| 5130 | _scsih_check_device(struct MPT3SAS_ADAPTER *ioc, |
| 5131 | u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate) |
| 5132 | { |
| 5133 | Mpi2ConfigReply_t mpi_reply; |
| 5134 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 5135 | struct _sas_device *sas_device; |
| 5136 | u32 ioc_status; |
| 5137 | unsigned long flags; |
| 5138 | u64 sas_address; |
| 5139 | struct scsi_target *starget; |
| 5140 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 5141 | u32 device_info; |
| 5142 | |
| 5143 | |
| 5144 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 5145 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) |
| 5146 | return; |
| 5147 | |
| 5148 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| 5149 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| 5150 | return; |
| 5151 | |
| 5152 | /* wide port handling ~ we need only handle device once for the phy that |
| 5153 | * is matched in sas device page zero |
| 5154 | */ |
| 5155 | if (phy_number != sas_device_pg0.PhyNum) |
| 5156 | return; |
| 5157 | |
| 5158 | /* check if this is end device */ |
| 5159 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| 5160 | if (!(_scsih_is_end_device(device_info))) |
| 5161 | return; |
| 5162 | |
| 5163 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 5164 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5165 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5166 | sas_address); |
| 5167 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5168 | if (!sas_device) |
| 5169 | goto out_unlock; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5170 | |
| 5171 | if (unlikely(sas_device->handle != handle)) { |
| 5172 | starget = sas_device->starget; |
| 5173 | sas_target_priv_data = starget->hostdata; |
| 5174 | starget_printk(KERN_INFO, starget, |
| 5175 | "handle changed from(0x%04x) to (0x%04x)!!!\n", |
| 5176 | sas_device->handle, handle); |
| 5177 | sas_target_priv_data->handle = handle; |
| 5178 | sas_device->handle = handle; |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 5179 | if (sas_device_pg0.Flags & |
| 5180 | MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { |
| 5181 | sas_device->enclosure_level = |
| 5182 | le16_to_cpu(sas_device_pg0.EnclosureLevel); |
| 5183 | memcpy(&sas_device->connector_name[0], |
| 5184 | &sas_device_pg0.ConnectorName[0], 4); |
| 5185 | } else { |
| 5186 | sas_device->enclosure_level = 0; |
| 5187 | sas_device->connector_name[0] = '\0'; |
| 5188 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5189 | } |
| 5190 | |
| 5191 | /* check if device is present */ |
| 5192 | if (!(le16_to_cpu(sas_device_pg0.Flags) & |
| 5193 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { |
| 5194 | pr_err(MPT3SAS_FMT |
| 5195 | "device is not present handle(0x%04x), flags!!!\n", |
| 5196 | ioc->name, handle); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5197 | goto out_unlock; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5198 | } |
| 5199 | |
| 5200 | /* check if there were any issues with discovery */ |
| 5201 | if (_scsih_check_access_status(ioc, sas_address, handle, |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5202 | sas_device_pg0.AccessStatus)) |
| 5203 | goto out_unlock; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5204 | |
| 5205 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 5206 | _scsih_ublock_io_device(ioc, sas_address); |
| 5207 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5208 | if (sas_device) |
| 5209 | sas_device_put(sas_device); |
| 5210 | return; |
| 5211 | |
| 5212 | out_unlock: |
| 5213 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 5214 | if (sas_device) |
| 5215 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5216 | } |
| 5217 | |
| 5218 | /** |
| 5219 | * _scsih_add_device - creating sas device object |
| 5220 | * @ioc: per adapter object |
| 5221 | * @handle: sas device handle |
| 5222 | * @phy_num: phy number end device attached to |
| 5223 | * @is_pd: is this hidden raid component |
| 5224 | * |
| 5225 | * Creating end device object, stored in ioc->sas_device_list. |
| 5226 | * |
| 5227 | * Returns 0 for success, non-zero for failure. |
| 5228 | */ |
| 5229 | static int |
| 5230 | _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, |
| 5231 | u8 is_pd) |
| 5232 | { |
| 5233 | Mpi2ConfigReply_t mpi_reply; |
| 5234 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 5235 | Mpi2SasEnclosurePage0_t enclosure_pg0; |
| 5236 | struct _sas_device *sas_device; |
| 5237 | u32 ioc_status; |
| 5238 | u64 sas_address; |
| 5239 | u32 device_info; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5240 | |
| 5241 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 5242 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| 5243 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 5244 | ioc->name, __FILE__, __LINE__, __func__); |
| 5245 | return -1; |
| 5246 | } |
| 5247 | |
| 5248 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 5249 | MPI2_IOCSTATUS_MASK; |
| 5250 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 5251 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 5252 | ioc->name, __FILE__, __LINE__, __func__); |
| 5253 | return -1; |
| 5254 | } |
| 5255 | |
| 5256 | /* check if this is end device */ |
| 5257 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| 5258 | if (!(_scsih_is_end_device(device_info))) |
| 5259 | return -1; |
| 5260 | sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| 5261 | |
| 5262 | /* check if device is present */ |
| 5263 | if (!(le16_to_cpu(sas_device_pg0.Flags) & |
| 5264 | MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { |
| 5265 | pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n", |
| 5266 | ioc->name, handle); |
| 5267 | return -1; |
| 5268 | } |
| 5269 | |
| 5270 | /* check if there were any issues with discovery */ |
| 5271 | if (_scsih_check_access_status(ioc, sas_address, handle, |
| 5272 | sas_device_pg0.AccessStatus)) |
| 5273 | return -1; |
| 5274 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5275 | sas_device = mpt3sas_get_sdev_by_addr(ioc, |
| 5276 | sas_address); |
| 5277 | if (sas_device) { |
| 5278 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5279 | return -1; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5280 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5281 | |
| 5282 | sas_device = kzalloc(sizeof(struct _sas_device), |
| 5283 | GFP_KERNEL); |
| 5284 | if (!sas_device) { |
| 5285 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 5286 | ioc->name, __FILE__, __LINE__, __func__); |
| 5287 | return 0; |
| 5288 | } |
| 5289 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5290 | kref_init(&sas_device->refcount); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5291 | sas_device->handle = handle; |
| 5292 | if (_scsih_get_sas_address(ioc, |
| 5293 | le16_to_cpu(sas_device_pg0.ParentDevHandle), |
| 5294 | &sas_device->sas_address_parent) != 0) |
| 5295 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 5296 | ioc->name, __FILE__, __LINE__, __func__); |
| 5297 | sas_device->enclosure_handle = |
| 5298 | le16_to_cpu(sas_device_pg0.EnclosureHandle); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 5299 | if (sas_device->enclosure_handle != 0) |
| 5300 | sas_device->slot = |
| 5301 | le16_to_cpu(sas_device_pg0.Slot); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5302 | sas_device->device_info = device_info; |
| 5303 | sas_device->sas_address = sas_address; |
| 5304 | sas_device->phy = sas_device_pg0.PhyNum; |
| 5305 | sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) & |
| 5306 | MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0; |
| 5307 | |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 5308 | if (sas_device_pg0.Flags & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { |
| 5309 | sas_device->enclosure_level = |
| 5310 | le16_to_cpu(sas_device_pg0.EnclosureLevel); |
| 5311 | memcpy(&sas_device->connector_name[0], |
| 5312 | &sas_device_pg0.ConnectorName[0], 4); |
| 5313 | } else { |
| 5314 | sas_device->enclosure_level = 0; |
| 5315 | sas_device->connector_name[0] = '\0'; |
| 5316 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5317 | /* get enclosure_logical_id */ |
| 5318 | if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0( |
| 5319 | ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE, |
| 5320 | sas_device->enclosure_handle))) |
| 5321 | sas_device->enclosure_logical_id = |
| 5322 | le64_to_cpu(enclosure_pg0.EnclosureLogicalID); |
| 5323 | |
| 5324 | /* get device name */ |
| 5325 | sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); |
| 5326 | |
| 5327 | if (ioc->wait_for_discovery_to_complete) |
| 5328 | _scsih_sas_device_init_add(ioc, sas_device); |
| 5329 | else |
| 5330 | _scsih_sas_device_add(ioc, sas_device); |
| 5331 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5332 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5333 | return 0; |
| 5334 | } |
| 5335 | |
| 5336 | /** |
| 5337 | * _scsih_remove_device - removing sas device object |
| 5338 | * @ioc: per adapter object |
| 5339 | * @sas_device_delete: the sas_device object |
| 5340 | * |
| 5341 | * Return nothing. |
| 5342 | */ |
| 5343 | static void |
| 5344 | _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, |
| 5345 | struct _sas_device *sas_device) |
| 5346 | { |
| 5347 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 5348 | |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 5349 | if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) && |
| 5350 | (sas_device->pfa_led_on)) { |
| 5351 | _scsih_turn_off_pfa_led(ioc, sas_device); |
| 5352 | sas_device->pfa_led_on = 0; |
| 5353 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5354 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5355 | "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 5356 | ioc->name, __func__, |
| 5357 | sas_device->handle, (unsigned long long) |
| 5358 | sas_device->sas_address)); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 5359 | if (sas_device->enclosure_handle != 0) |
| 5360 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5361 | "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n", |
| 5362 | ioc->name, __func__, |
| 5363 | (unsigned long long)sas_device->enclosure_logical_id, |
| 5364 | sas_device->slot)); |
| 5365 | if (sas_device->connector_name[0] != '\0') |
| 5366 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5367 | "%s: enter: enclosure level(0x%04x), connector name( %s)\n", |
| 5368 | ioc->name, __func__, |
| 5369 | sas_device->enclosure_level, |
| 5370 | sas_device->connector_name)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5371 | |
| 5372 | if (sas_device->starget && sas_device->starget->hostdata) { |
| 5373 | sas_target_priv_data = sas_device->starget->hostdata; |
| 5374 | sas_target_priv_data->deleted = 1; |
| 5375 | _scsih_ublock_io_device(ioc, sas_device->sas_address); |
| 5376 | sas_target_priv_data->handle = |
| 5377 | MPT3SAS_INVALID_DEVICE_HANDLE; |
| 5378 | } |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 5379 | |
| 5380 | if (!ioc->hide_drives) |
| 5381 | mpt3sas_transport_port_remove(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5382 | sas_device->sas_address, |
| 5383 | sas_device->sas_address_parent); |
| 5384 | |
| 5385 | pr_info(MPT3SAS_FMT |
| 5386 | "removing handle(0x%04x), sas_addr(0x%016llx)\n", |
| 5387 | ioc->name, sas_device->handle, |
| 5388 | (unsigned long long) sas_device->sas_address); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 5389 | if (sas_device->enclosure_handle != 0) |
| 5390 | pr_info(MPT3SAS_FMT |
| 5391 | "removing : enclosure logical id(0x%016llx), slot(%d)\n", |
| 5392 | ioc->name, |
| 5393 | (unsigned long long)sas_device->enclosure_logical_id, |
| 5394 | sas_device->slot); |
| 5395 | if (sas_device->connector_name[0] != '\0') |
| 5396 | pr_info(MPT3SAS_FMT |
| 5397 | "removing enclosure level(0x%04x), connector name( %s)\n", |
| 5398 | ioc->name, sas_device->enclosure_level, |
| 5399 | sas_device->connector_name); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5400 | |
| 5401 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5402 | "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 5403 | ioc->name, __func__, |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 5404 | sas_device->handle, (unsigned long long) |
| 5405 | sas_device->sas_address)); |
| 5406 | if (sas_device->enclosure_handle != 0) |
| 5407 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5408 | "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n", |
| 5409 | ioc->name, __func__, |
| 5410 | (unsigned long long)sas_device->enclosure_logical_id, |
| 5411 | sas_device->slot)); |
| 5412 | if (sas_device->connector_name[0] != '\0') |
| 5413 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5414 | "%s: exit: enclosure level(0x%04x), connector name(%s)\n", |
| 5415 | ioc->name, __func__, sas_device->enclosure_level, |
| 5416 | sas_device->connector_name)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5417 | } |
| 5418 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5419 | /** |
| 5420 | * _scsih_sas_topology_change_event_debug - debug for topology event |
| 5421 | * @ioc: per adapter object |
| 5422 | * @event_data: event data payload |
| 5423 | * Context: user. |
| 5424 | */ |
| 5425 | static void |
| 5426 | _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| 5427 | Mpi2EventDataSasTopologyChangeList_t *event_data) |
| 5428 | { |
| 5429 | int i; |
| 5430 | u16 handle; |
| 5431 | u16 reason_code; |
| 5432 | u8 phy_number; |
| 5433 | char *status_str = NULL; |
| 5434 | u8 link_rate, prev_link_rate; |
| 5435 | |
| 5436 | switch (event_data->ExpStatus) { |
| 5437 | case MPI2_EVENT_SAS_TOPO_ES_ADDED: |
| 5438 | status_str = "add"; |
| 5439 | break; |
| 5440 | case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING: |
| 5441 | status_str = "remove"; |
| 5442 | break; |
| 5443 | case MPI2_EVENT_SAS_TOPO_ES_RESPONDING: |
| 5444 | case 0: |
| 5445 | status_str = "responding"; |
| 5446 | break; |
| 5447 | case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING: |
| 5448 | status_str = "remove delay"; |
| 5449 | break; |
| 5450 | default: |
| 5451 | status_str = "unknown status"; |
| 5452 | break; |
| 5453 | } |
| 5454 | pr_info(MPT3SAS_FMT "sas topology change: (%s)\n", |
| 5455 | ioc->name, status_str); |
| 5456 | pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \ |
| 5457 | "start_phy(%02d), count(%d)\n", |
| 5458 | le16_to_cpu(event_data->ExpanderDevHandle), |
| 5459 | le16_to_cpu(event_data->EnclosureHandle), |
| 5460 | event_data->StartPhyNum, event_data->NumEntries); |
| 5461 | for (i = 0; i < event_data->NumEntries; i++) { |
| 5462 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| 5463 | if (!handle) |
| 5464 | continue; |
| 5465 | phy_number = event_data->StartPhyNum + i; |
| 5466 | reason_code = event_data->PHY[i].PhyStatus & |
| 5467 | MPI2_EVENT_SAS_TOPO_RC_MASK; |
| 5468 | switch (reason_code) { |
| 5469 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
| 5470 | status_str = "target add"; |
| 5471 | break; |
| 5472 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: |
| 5473 | status_str = "target remove"; |
| 5474 | break; |
| 5475 | case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING: |
| 5476 | status_str = "delay target remove"; |
| 5477 | break; |
| 5478 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: |
| 5479 | status_str = "link rate change"; |
| 5480 | break; |
| 5481 | case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE: |
| 5482 | status_str = "target responding"; |
| 5483 | break; |
| 5484 | default: |
| 5485 | status_str = "unknown"; |
| 5486 | break; |
| 5487 | } |
| 5488 | link_rate = event_data->PHY[i].LinkRate >> 4; |
| 5489 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
| 5490 | pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \ |
| 5491 | " link rate: new(0x%02x), old(0x%02x)\n", phy_number, |
| 5492 | handle, status_str, link_rate, prev_link_rate); |
| 5493 | |
| 5494 | } |
| 5495 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5496 | |
| 5497 | /** |
| 5498 | * _scsih_sas_topology_change_event - handle topology changes |
| 5499 | * @ioc: per adapter object |
| 5500 | * @fw_event: The fw_event_work object |
| 5501 | * Context: user. |
| 5502 | * |
| 5503 | */ |
| 5504 | static int |
| 5505 | _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc, |
| 5506 | struct fw_event_work *fw_event) |
| 5507 | { |
| 5508 | int i; |
| 5509 | u16 parent_handle, handle; |
| 5510 | u16 reason_code; |
| 5511 | u8 phy_number, max_phys; |
| 5512 | struct _sas_node *sas_expander; |
| 5513 | u64 sas_address; |
| 5514 | unsigned long flags; |
| 5515 | u8 link_rate, prev_link_rate; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 5516 | Mpi2EventDataSasTopologyChangeList_t *event_data = |
| 5517 | (Mpi2EventDataSasTopologyChangeList_t *) |
| 5518 | fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5519 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5520 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| 5521 | _scsih_sas_topology_change_event_debug(ioc, event_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5522 | |
| 5523 | if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery) |
| 5524 | return 0; |
| 5525 | |
| 5526 | if (!ioc->sas_hba.num_phys) |
| 5527 | _scsih_sas_host_add(ioc); |
| 5528 | else |
| 5529 | _scsih_sas_host_refresh(ioc); |
| 5530 | |
| 5531 | if (fw_event->ignore) { |
| 5532 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5533 | "ignoring expander event\n", ioc->name)); |
| 5534 | return 0; |
| 5535 | } |
| 5536 | |
| 5537 | parent_handle = le16_to_cpu(event_data->ExpanderDevHandle); |
| 5538 | |
| 5539 | /* handle expander add */ |
| 5540 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) |
| 5541 | if (_scsih_expander_add(ioc, parent_handle) != 0) |
| 5542 | return 0; |
| 5543 | |
| 5544 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 5545 | sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc, |
| 5546 | parent_handle); |
| 5547 | if (sas_expander) { |
| 5548 | sas_address = sas_expander->sas_address; |
| 5549 | max_phys = sas_expander->num_phys; |
| 5550 | } else if (parent_handle < ioc->sas_hba.num_phys) { |
| 5551 | sas_address = ioc->sas_hba.sas_address; |
| 5552 | max_phys = ioc->sas_hba.num_phys; |
| 5553 | } else { |
| 5554 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 5555 | return 0; |
| 5556 | } |
| 5557 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 5558 | |
| 5559 | /* handle siblings events */ |
| 5560 | for (i = 0; i < event_data->NumEntries; i++) { |
| 5561 | if (fw_event->ignore) { |
| 5562 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5563 | "ignoring expander event\n", ioc->name)); |
| 5564 | return 0; |
| 5565 | } |
| 5566 | if (ioc->remove_host || ioc->pci_error_recovery) |
| 5567 | return 0; |
| 5568 | phy_number = event_data->StartPhyNum + i; |
| 5569 | if (phy_number >= max_phys) |
| 5570 | continue; |
| 5571 | reason_code = event_data->PHY[i].PhyStatus & |
| 5572 | MPI2_EVENT_SAS_TOPO_RC_MASK; |
| 5573 | if ((event_data->PHY[i].PhyStatus & |
| 5574 | MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code != |
| 5575 | MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)) |
| 5576 | continue; |
| 5577 | handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); |
| 5578 | if (!handle) |
| 5579 | continue; |
| 5580 | link_rate = event_data->PHY[i].LinkRate >> 4; |
| 5581 | prev_link_rate = event_data->PHY[i].LinkRate & 0xF; |
| 5582 | switch (reason_code) { |
| 5583 | case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: |
| 5584 | |
| 5585 | if (ioc->shost_recovery) |
| 5586 | break; |
| 5587 | |
| 5588 | if (link_rate == prev_link_rate) |
| 5589 | break; |
| 5590 | |
| 5591 | mpt3sas_transport_update_links(ioc, sas_address, |
| 5592 | handle, phy_number, link_rate); |
| 5593 | |
| 5594 | if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) |
| 5595 | break; |
| 5596 | |
| 5597 | _scsih_check_device(ioc, sas_address, handle, |
| 5598 | phy_number, link_rate); |
| 5599 | |
| 5600 | |
| 5601 | case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: |
| 5602 | |
| 5603 | if (ioc->shost_recovery) |
| 5604 | break; |
| 5605 | |
| 5606 | mpt3sas_transport_update_links(ioc, sas_address, |
| 5607 | handle, phy_number, link_rate); |
| 5608 | |
| 5609 | _scsih_add_device(ioc, handle, phy_number, 0); |
| 5610 | |
| 5611 | break; |
| 5612 | case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: |
| 5613 | |
| 5614 | _scsih_device_remove_by_handle(ioc, handle); |
| 5615 | break; |
| 5616 | } |
| 5617 | } |
| 5618 | |
| 5619 | /* handle expander removal */ |
| 5620 | if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && |
| 5621 | sas_expander) |
| 5622 | mpt3sas_expander_remove(ioc, sas_address); |
| 5623 | |
| 5624 | return 0; |
| 5625 | } |
| 5626 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5627 | /** |
| 5628 | * _scsih_sas_device_status_change_event_debug - debug for device event |
| 5629 | * @event_data: event data payload |
| 5630 | * Context: user. |
| 5631 | * |
| 5632 | * Return nothing. |
| 5633 | */ |
| 5634 | static void |
| 5635 | _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| 5636 | Mpi2EventDataSasDeviceStatusChange_t *event_data) |
| 5637 | { |
| 5638 | char *reason_str = NULL; |
| 5639 | |
| 5640 | switch (event_data->ReasonCode) { |
| 5641 | case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA: |
| 5642 | reason_str = "smart data"; |
| 5643 | break; |
| 5644 | case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED: |
| 5645 | reason_str = "unsupported device discovered"; |
| 5646 | break; |
| 5647 | case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: |
| 5648 | reason_str = "internal device reset"; |
| 5649 | break; |
| 5650 | case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL: |
| 5651 | reason_str = "internal task abort"; |
| 5652 | break; |
| 5653 | case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL: |
| 5654 | reason_str = "internal task abort set"; |
| 5655 | break; |
| 5656 | case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL: |
| 5657 | reason_str = "internal clear task set"; |
| 5658 | break; |
| 5659 | case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL: |
| 5660 | reason_str = "internal query task"; |
| 5661 | break; |
| 5662 | case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE: |
| 5663 | reason_str = "sata init failure"; |
| 5664 | break; |
| 5665 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET: |
| 5666 | reason_str = "internal device reset complete"; |
| 5667 | break; |
| 5668 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL: |
| 5669 | reason_str = "internal task abort complete"; |
| 5670 | break; |
| 5671 | case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION: |
| 5672 | reason_str = "internal async notification"; |
| 5673 | break; |
| 5674 | case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY: |
| 5675 | reason_str = "expander reduced functionality"; |
| 5676 | break; |
| 5677 | case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY: |
| 5678 | reason_str = "expander reduced functionality complete"; |
| 5679 | break; |
| 5680 | default: |
| 5681 | reason_str = "unknown reason"; |
| 5682 | break; |
| 5683 | } |
| 5684 | pr_info(MPT3SAS_FMT "device status change: (%s)\n" |
| 5685 | "\thandle(0x%04x), sas address(0x%016llx), tag(%d)", |
| 5686 | ioc->name, reason_str, le16_to_cpu(event_data->DevHandle), |
| 5687 | (unsigned long long)le64_to_cpu(event_data->SASAddress), |
| 5688 | le16_to_cpu(event_data->TaskTag)); |
| 5689 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) |
| 5690 | pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, |
| 5691 | event_data->ASC, event_data->ASCQ); |
| 5692 | pr_info("\n"); |
| 5693 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5694 | |
| 5695 | /** |
| 5696 | * _scsih_sas_device_status_change_event - handle device status change |
| 5697 | * @ioc: per adapter object |
| 5698 | * @fw_event: The fw_event_work object |
| 5699 | * Context: user. |
| 5700 | * |
| 5701 | * Return nothing. |
| 5702 | */ |
| 5703 | static void |
| 5704 | _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc, |
| 5705 | struct fw_event_work *fw_event) |
| 5706 | { |
| 5707 | struct MPT3SAS_TARGET *target_priv_data; |
| 5708 | struct _sas_device *sas_device; |
| 5709 | u64 sas_address; |
| 5710 | unsigned long flags; |
| 5711 | Mpi2EventDataSasDeviceStatusChange_t *event_data = |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 5712 | (Mpi2EventDataSasDeviceStatusChange_t *) |
| 5713 | fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5714 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5715 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| 5716 | _scsih_sas_device_status_change_event_debug(ioc, |
| 5717 | event_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5718 | |
| 5719 | /* In MPI Revision K (0xC), the internal device reset complete was |
| 5720 | * implemented, so avoid setting tm_busy flag for older firmware. |
| 5721 | */ |
| 5722 | if ((ioc->facts.HeaderVersion >> 8) < 0xC) |
| 5723 | return; |
| 5724 | |
| 5725 | if (event_data->ReasonCode != |
| 5726 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && |
| 5727 | event_data->ReasonCode != |
| 5728 | MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) |
| 5729 | return; |
| 5730 | |
| 5731 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 5732 | sas_address = le64_to_cpu(event_data->SASAddress); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5733 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5734 | sas_address); |
| 5735 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5736 | if (!sas_device || !sas_device->starget) |
| 5737 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5738 | |
| 5739 | target_priv_data = sas_device->starget->hostdata; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5740 | if (!target_priv_data) |
| 5741 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5742 | |
| 5743 | if (event_data->ReasonCode == |
| 5744 | MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) |
| 5745 | target_priv_data->tm_busy = 1; |
| 5746 | else |
| 5747 | target_priv_data->tm_busy = 0; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5748 | |
| 5749 | out: |
| 5750 | if (sas_device) |
| 5751 | sas_device_put(sas_device); |
| 5752 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5753 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 5754 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5755 | } |
| 5756 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5757 | /** |
| 5758 | * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure |
| 5759 | * event |
| 5760 | * @ioc: per adapter object |
| 5761 | * @event_data: event data payload |
| 5762 | * Context: user. |
| 5763 | * |
| 5764 | * Return nothing. |
| 5765 | */ |
| 5766 | static void |
| 5767 | _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| 5768 | Mpi2EventDataSasEnclDevStatusChange_t *event_data) |
| 5769 | { |
| 5770 | char *reason_str = NULL; |
| 5771 | |
| 5772 | switch (event_data->ReasonCode) { |
| 5773 | case MPI2_EVENT_SAS_ENCL_RC_ADDED: |
| 5774 | reason_str = "enclosure add"; |
| 5775 | break; |
| 5776 | case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING: |
| 5777 | reason_str = "enclosure remove"; |
| 5778 | break; |
| 5779 | default: |
| 5780 | reason_str = "unknown reason"; |
| 5781 | break; |
| 5782 | } |
| 5783 | |
| 5784 | pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n" |
| 5785 | "\thandle(0x%04x), enclosure logical id(0x%016llx)" |
| 5786 | " number slots(%d)\n", ioc->name, reason_str, |
| 5787 | le16_to_cpu(event_data->EnclosureHandle), |
| 5788 | (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), |
| 5789 | le16_to_cpu(event_data->StartSlot)); |
| 5790 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5791 | |
| 5792 | /** |
| 5793 | * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events |
| 5794 | * @ioc: per adapter object |
| 5795 | * @fw_event: The fw_event_work object |
| 5796 | * Context: user. |
| 5797 | * |
| 5798 | * Return nothing. |
| 5799 | */ |
| 5800 | static void |
| 5801 | _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc, |
| 5802 | struct fw_event_work *fw_event) |
| 5803 | { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5804 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) |
| 5805 | _scsih_sas_enclosure_dev_status_change_event_debug(ioc, |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 5806 | (Mpi2EventDataSasEnclDevStatusChange_t *) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5807 | fw_event->event_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5808 | } |
| 5809 | |
| 5810 | /** |
| 5811 | * _scsih_sas_broadcast_primitive_event - handle broadcast events |
| 5812 | * @ioc: per adapter object |
| 5813 | * @fw_event: The fw_event_work object |
| 5814 | * Context: user. |
| 5815 | * |
| 5816 | * Return nothing. |
| 5817 | */ |
| 5818 | static void |
| 5819 | _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc, |
| 5820 | struct fw_event_work *fw_event) |
| 5821 | { |
| 5822 | struct scsi_cmnd *scmd; |
| 5823 | struct scsi_device *sdev; |
| 5824 | u16 smid, handle; |
| 5825 | u32 lun; |
| 5826 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 5827 | u32 termination_count; |
| 5828 | u32 query_count; |
| 5829 | Mpi2SCSITaskManagementReply_t *mpi_reply; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 5830 | Mpi2EventDataSasBroadcastPrimitive_t *event_data = |
| 5831 | (Mpi2EventDataSasBroadcastPrimitive_t *) |
| 5832 | fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5833 | u16 ioc_status; |
| 5834 | unsigned long flags; |
| 5835 | int r; |
| 5836 | u8 max_retries = 0; |
| 5837 | u8 task_abort_retries; |
| 5838 | |
| 5839 | mutex_lock(&ioc->tm_cmds.mutex); |
| 5840 | pr_info(MPT3SAS_FMT |
| 5841 | "%s: enter: phy number(%d), width(%d)\n", |
| 5842 | ioc->name, __func__, event_data->PhyNum, |
| 5843 | event_data->PortWidth); |
| 5844 | |
| 5845 | _scsih_block_io_all_device(ioc); |
| 5846 | |
| 5847 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 5848 | mpi_reply = ioc->tm_cmds.reply; |
| 5849 | broadcast_aen_retry: |
| 5850 | |
| 5851 | /* sanity checks for retrying this loop */ |
| 5852 | if (max_retries++ == 5) { |
| 5853 | dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n", |
| 5854 | ioc->name, __func__)); |
| 5855 | goto out; |
| 5856 | } else if (max_retries > 1) |
| 5857 | dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n", |
| 5858 | ioc->name, __func__, max_retries - 1)); |
| 5859 | |
| 5860 | termination_count = 0; |
| 5861 | query_count = 0; |
| 5862 | for (smid = 1; smid <= ioc->scsiio_depth; smid++) { |
| 5863 | if (ioc->shost_recovery) |
| 5864 | goto out; |
| 5865 | scmd = _scsih_scsi_lookup_get(ioc, smid); |
| 5866 | if (!scmd) |
| 5867 | continue; |
| 5868 | sdev = scmd->device; |
| 5869 | sas_device_priv_data = sdev->hostdata; |
| 5870 | if (!sas_device_priv_data || !sas_device_priv_data->sas_target) |
| 5871 | continue; |
| 5872 | /* skip hidden raid components */ |
| 5873 | if (sas_device_priv_data->sas_target->flags & |
| 5874 | MPT_TARGET_FLAGS_RAID_COMPONENT) |
| 5875 | continue; |
| 5876 | /* skip volumes */ |
| 5877 | if (sas_device_priv_data->sas_target->flags & |
| 5878 | MPT_TARGET_FLAGS_VOLUME) |
| 5879 | continue; |
| 5880 | |
| 5881 | handle = sas_device_priv_data->sas_target->handle; |
| 5882 | lun = sas_device_priv_data->lun; |
| 5883 | query_count++; |
| 5884 | |
| 5885 | if (ioc->shost_recovery) |
| 5886 | goto out; |
| 5887 | |
| 5888 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 5889 | r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun, |
Matthew Wilcox | c62e46d | 2014-03-27 16:40:30 -0400 | [diff] [blame] | 5890 | MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5891 | TM_MUTEX_OFF); |
| 5892 | if (r == FAILED) { |
| 5893 | sdev_printk(KERN_WARNING, sdev, |
| 5894 | "mpt3sas_scsih_issue_tm: FAILED when sending " |
| 5895 | "QUERY_TASK: scmd(%p)\n", scmd); |
| 5896 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 5897 | goto broadcast_aen_retry; |
| 5898 | } |
| 5899 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) |
| 5900 | & MPI2_IOCSTATUS_MASK; |
| 5901 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 5902 | sdev_printk(KERN_WARNING, sdev, |
| 5903 | "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n", |
| 5904 | ioc_status, scmd); |
| 5905 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 5906 | goto broadcast_aen_retry; |
| 5907 | } |
| 5908 | |
| 5909 | /* see if IO is still owned by IOC and target */ |
| 5910 | if (mpi_reply->ResponseCode == |
| 5911 | MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || |
| 5912 | mpi_reply->ResponseCode == |
| 5913 | MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { |
| 5914 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 5915 | continue; |
| 5916 | } |
| 5917 | task_abort_retries = 0; |
| 5918 | tm_retry: |
| 5919 | if (task_abort_retries++ == 60) { |
| 5920 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5921 | "%s: ABORT_TASK: giving up\n", ioc->name, |
| 5922 | __func__)); |
| 5923 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 5924 | goto broadcast_aen_retry; |
| 5925 | } |
| 5926 | |
| 5927 | if (ioc->shost_recovery) |
| 5928 | goto out_no_lock; |
| 5929 | |
| 5930 | r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, |
| 5931 | sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, |
Matthew Wilcox | c62e46d | 2014-03-27 16:40:30 -0400 | [diff] [blame] | 5932 | TM_MUTEX_OFF); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5933 | if (r == FAILED) { |
| 5934 | sdev_printk(KERN_WARNING, sdev, |
| 5935 | "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : " |
| 5936 | "scmd(%p)\n", scmd); |
| 5937 | goto tm_retry; |
| 5938 | } |
| 5939 | |
| 5940 | if (task_abort_retries > 1) |
| 5941 | sdev_printk(KERN_WARNING, sdev, |
| 5942 | "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" |
| 5943 | " scmd(%p)\n", |
| 5944 | task_abort_retries - 1, scmd); |
| 5945 | |
| 5946 | termination_count += le32_to_cpu(mpi_reply->TerminationCount); |
| 5947 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 5948 | } |
| 5949 | |
| 5950 | if (ioc->broadcast_aen_pending) { |
| 5951 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5952 | "%s: loop back due to pending AEN\n", |
| 5953 | ioc->name, __func__)); |
| 5954 | ioc->broadcast_aen_pending = 0; |
| 5955 | goto broadcast_aen_retry; |
| 5956 | } |
| 5957 | |
| 5958 | out: |
| 5959 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 5960 | out_no_lock: |
| 5961 | |
| 5962 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 5963 | "%s - exit, query_count = %d termination_count = %d\n", |
| 5964 | ioc->name, __func__, query_count, termination_count)); |
| 5965 | |
| 5966 | ioc->broadcast_aen_busy = 0; |
| 5967 | if (!ioc->shost_recovery) |
| 5968 | _scsih_ublock_io_all_device(ioc); |
| 5969 | mutex_unlock(&ioc->tm_cmds.mutex); |
| 5970 | } |
| 5971 | |
| 5972 | /** |
| 5973 | * _scsih_sas_discovery_event - handle discovery events |
| 5974 | * @ioc: per adapter object |
| 5975 | * @fw_event: The fw_event_work object |
| 5976 | * Context: user. |
| 5977 | * |
| 5978 | * Return nothing. |
| 5979 | */ |
| 5980 | static void |
| 5981 | _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc, |
| 5982 | struct fw_event_work *fw_event) |
| 5983 | { |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 5984 | Mpi2EventDataSasDiscovery_t *event_data = |
| 5985 | (Mpi2EventDataSasDiscovery_t *) fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5986 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5987 | if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { |
| 5988 | pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name, |
| 5989 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? |
| 5990 | "start" : "stop"); |
Sreekanth Reddy | af00941 | 2015-11-11 17:30:23 +0530 | [diff] [blame] | 5991 | if (event_data->DiscoveryStatus) |
| 5992 | pr_info("discovery_status(0x%08x)", |
| 5993 | le32_to_cpu(event_data->DiscoveryStatus)); |
| 5994 | pr_info("\n"); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5995 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 5996 | |
| 5997 | if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && |
| 5998 | !ioc->sas_hba.num_phys) { |
| 5999 | if (disable_discovery > 0 && ioc->shost_recovery) { |
| 6000 | /* Wait for the reset to complete */ |
| 6001 | while (ioc->shost_recovery) |
| 6002 | ssleep(1); |
| 6003 | } |
| 6004 | _scsih_sas_host_add(ioc); |
| 6005 | } |
| 6006 | } |
| 6007 | |
| 6008 | /** |
| 6009 | * _scsih_ir_fastpath - turn on fastpath for IR physdisk |
| 6010 | * @ioc: per adapter object |
| 6011 | * @handle: device handle for physical disk |
| 6012 | * @phys_disk_num: physical disk number |
| 6013 | * |
| 6014 | * Return 0 for success, else failure. |
| 6015 | */ |
| 6016 | static int |
| 6017 | _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num) |
| 6018 | { |
| 6019 | Mpi2RaidActionRequest_t *mpi_request; |
| 6020 | Mpi2RaidActionReply_t *mpi_reply; |
| 6021 | u16 smid; |
| 6022 | u8 issue_reset = 0; |
| 6023 | int rc = 0; |
| 6024 | u16 ioc_status; |
| 6025 | u32 log_info; |
| 6026 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6027 | if (ioc->hba_mpi_version_belonged == MPI2_VERSION) |
| 6028 | return rc; |
| 6029 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6030 | mutex_lock(&ioc->scsih_cmds.mutex); |
| 6031 | |
| 6032 | if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { |
| 6033 | pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n", |
| 6034 | ioc->name, __func__); |
| 6035 | rc = -EAGAIN; |
| 6036 | goto out; |
| 6037 | } |
| 6038 | ioc->scsih_cmds.status = MPT3_CMD_PENDING; |
| 6039 | |
| 6040 | smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); |
| 6041 | if (!smid) { |
| 6042 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", |
| 6043 | ioc->name, __func__); |
| 6044 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| 6045 | rc = -EAGAIN; |
| 6046 | goto out; |
| 6047 | } |
| 6048 | |
| 6049 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 6050 | ioc->scsih_cmds.smid = smid; |
| 6051 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); |
| 6052 | |
| 6053 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; |
| 6054 | mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN; |
| 6055 | mpi_request->PhysDiskNum = phys_disk_num; |
| 6056 | |
| 6057 | dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\ |
| 6058 | "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name, |
| 6059 | handle, phys_disk_num)); |
| 6060 | |
| 6061 | init_completion(&ioc->scsih_cmds.done); |
| 6062 | mpt3sas_base_put_smid_default(ioc, smid); |
| 6063 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); |
| 6064 | |
| 6065 | if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { |
| 6066 | pr_err(MPT3SAS_FMT "%s: timeout\n", |
| 6067 | ioc->name, __func__); |
| 6068 | if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET)) |
| 6069 | issue_reset = 1; |
| 6070 | rc = -EFAULT; |
| 6071 | goto out; |
| 6072 | } |
| 6073 | |
| 6074 | if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { |
| 6075 | |
| 6076 | mpi_reply = ioc->scsih_cmds.reply; |
| 6077 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
| 6078 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) |
| 6079 | log_info = le32_to_cpu(mpi_reply->IOCLogInfo); |
| 6080 | else |
| 6081 | log_info = 0; |
| 6082 | ioc_status &= MPI2_IOCSTATUS_MASK; |
| 6083 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 6084 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 6085 | "IR RAID_ACTION: failed: ioc_status(0x%04x), " |
| 6086 | "loginfo(0x%08x)!!!\n", ioc->name, ioc_status, |
| 6087 | log_info)); |
| 6088 | rc = -EFAULT; |
| 6089 | } else |
| 6090 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 6091 | "IR RAID_ACTION: completed successfully\n", |
| 6092 | ioc->name)); |
| 6093 | } |
| 6094 | |
| 6095 | out: |
| 6096 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| 6097 | mutex_unlock(&ioc->scsih_cmds.mutex); |
| 6098 | |
| 6099 | if (issue_reset) |
| 6100 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 6101 | FORCE_BIG_HAMMER); |
| 6102 | return rc; |
| 6103 | } |
| 6104 | |
| 6105 | /** |
| 6106 | * _scsih_reprobe_lun - reprobing lun |
| 6107 | * @sdev: scsi device struct |
| 6108 | * @no_uld_attach: sdev->no_uld_attach flag setting |
| 6109 | * |
| 6110 | **/ |
| 6111 | static void |
| 6112 | _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) |
| 6113 | { |
| 6114 | int rc; |
| 6115 | sdev->no_uld_attach = no_uld_attach ? 1 : 0; |
| 6116 | sdev_printk(KERN_INFO, sdev, "%s raid component\n", |
| 6117 | sdev->no_uld_attach ? "hidding" : "exposing"); |
| 6118 | rc = scsi_device_reprobe(sdev); |
| 6119 | } |
| 6120 | |
| 6121 | /** |
| 6122 | * _scsih_sas_volume_add - add new volume |
| 6123 | * @ioc: per adapter object |
| 6124 | * @element: IR config element data |
| 6125 | * Context: user. |
| 6126 | * |
| 6127 | * Return nothing. |
| 6128 | */ |
| 6129 | static void |
| 6130 | _scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc, |
| 6131 | Mpi2EventIrConfigElement_t *element) |
| 6132 | { |
| 6133 | struct _raid_device *raid_device; |
| 6134 | unsigned long flags; |
| 6135 | u64 wwid; |
| 6136 | u16 handle = le16_to_cpu(element->VolDevHandle); |
| 6137 | int rc; |
| 6138 | |
| 6139 | mpt3sas_config_get_volume_wwid(ioc, handle, &wwid); |
| 6140 | if (!wwid) { |
| 6141 | pr_err(MPT3SAS_FMT |
| 6142 | "failure at %s:%d/%s()!\n", ioc->name, |
| 6143 | __FILE__, __LINE__, __func__); |
| 6144 | return; |
| 6145 | } |
| 6146 | |
| 6147 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 6148 | raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid); |
| 6149 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6150 | |
| 6151 | if (raid_device) |
| 6152 | return; |
| 6153 | |
| 6154 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); |
| 6155 | if (!raid_device) { |
| 6156 | pr_err(MPT3SAS_FMT |
| 6157 | "failure at %s:%d/%s()!\n", ioc->name, |
| 6158 | __FILE__, __LINE__, __func__); |
| 6159 | return; |
| 6160 | } |
| 6161 | |
| 6162 | raid_device->id = ioc->sas_id++; |
| 6163 | raid_device->channel = RAID_CHANNEL; |
| 6164 | raid_device->handle = handle; |
| 6165 | raid_device->wwid = wwid; |
| 6166 | _scsih_raid_device_add(ioc, raid_device); |
| 6167 | if (!ioc->wait_for_discovery_to_complete) { |
| 6168 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| 6169 | raid_device->id, 0); |
| 6170 | if (rc) |
| 6171 | _scsih_raid_device_remove(ioc, raid_device); |
| 6172 | } else { |
| 6173 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 6174 | _scsih_determine_boot_device(ioc, raid_device, 1); |
| 6175 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6176 | } |
| 6177 | } |
| 6178 | |
| 6179 | /** |
| 6180 | * _scsih_sas_volume_delete - delete volume |
| 6181 | * @ioc: per adapter object |
| 6182 | * @handle: volume device handle |
| 6183 | * Context: user. |
| 6184 | * |
| 6185 | * Return nothing. |
| 6186 | */ |
| 6187 | static void |
| 6188 | _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle) |
| 6189 | { |
| 6190 | struct _raid_device *raid_device; |
| 6191 | unsigned long flags; |
| 6192 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 6193 | struct scsi_target *starget = NULL; |
| 6194 | |
| 6195 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6196 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6197 | if (raid_device) { |
| 6198 | if (raid_device->starget) { |
| 6199 | starget = raid_device->starget; |
| 6200 | sas_target_priv_data = starget->hostdata; |
| 6201 | sas_target_priv_data->deleted = 1; |
| 6202 | } |
| 6203 | pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n", |
| 6204 | ioc->name, raid_device->handle, |
| 6205 | (unsigned long long) raid_device->wwid); |
| 6206 | list_del(&raid_device->list); |
| 6207 | kfree(raid_device); |
| 6208 | } |
| 6209 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6210 | if (starget) |
| 6211 | scsi_remove_target(&starget->dev); |
| 6212 | } |
| 6213 | |
| 6214 | /** |
| 6215 | * _scsih_sas_pd_expose - expose pd component to /dev/sdX |
| 6216 | * @ioc: per adapter object |
| 6217 | * @element: IR config element data |
| 6218 | * Context: user. |
| 6219 | * |
| 6220 | * Return nothing. |
| 6221 | */ |
| 6222 | static void |
| 6223 | _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc, |
| 6224 | Mpi2EventIrConfigElement_t *element) |
| 6225 | { |
| 6226 | struct _sas_device *sas_device; |
| 6227 | struct scsi_target *starget = NULL; |
| 6228 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 6229 | unsigned long flags; |
| 6230 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| 6231 | |
| 6232 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6233 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6234 | if (sas_device) { |
| 6235 | sas_device->volume_handle = 0; |
| 6236 | sas_device->volume_wwid = 0; |
| 6237 | clear_bit(handle, ioc->pd_handles); |
| 6238 | if (sas_device->starget && sas_device->starget->hostdata) { |
| 6239 | starget = sas_device->starget; |
| 6240 | sas_target_priv_data = starget->hostdata; |
| 6241 | sas_target_priv_data->flags &= |
| 6242 | ~MPT_TARGET_FLAGS_RAID_COMPONENT; |
| 6243 | } |
| 6244 | } |
| 6245 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 6246 | if (!sas_device) |
| 6247 | return; |
| 6248 | |
| 6249 | /* exposing raid component */ |
| 6250 | if (starget) |
| 6251 | starget_for_each_device(starget, NULL, _scsih_reprobe_lun); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6252 | |
| 6253 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6254 | } |
| 6255 | |
| 6256 | /** |
| 6257 | * _scsih_sas_pd_hide - hide pd component from /dev/sdX |
| 6258 | * @ioc: per adapter object |
| 6259 | * @element: IR config element data |
| 6260 | * Context: user. |
| 6261 | * |
| 6262 | * Return nothing. |
| 6263 | */ |
| 6264 | static void |
| 6265 | _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc, |
| 6266 | Mpi2EventIrConfigElement_t *element) |
| 6267 | { |
| 6268 | struct _sas_device *sas_device; |
| 6269 | struct scsi_target *starget = NULL; |
| 6270 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 6271 | unsigned long flags; |
| 6272 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| 6273 | u16 volume_handle = 0; |
| 6274 | u64 volume_wwid = 0; |
| 6275 | |
| 6276 | mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle); |
| 6277 | if (volume_handle) |
| 6278 | mpt3sas_config_get_volume_wwid(ioc, volume_handle, |
| 6279 | &volume_wwid); |
| 6280 | |
| 6281 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6282 | sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6283 | if (sas_device) { |
| 6284 | set_bit(handle, ioc->pd_handles); |
| 6285 | if (sas_device->starget && sas_device->starget->hostdata) { |
| 6286 | starget = sas_device->starget; |
| 6287 | sas_target_priv_data = starget->hostdata; |
| 6288 | sas_target_priv_data->flags |= |
| 6289 | MPT_TARGET_FLAGS_RAID_COMPONENT; |
| 6290 | sas_device->volume_handle = volume_handle; |
| 6291 | sas_device->volume_wwid = volume_wwid; |
| 6292 | } |
| 6293 | } |
| 6294 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 6295 | if (!sas_device) |
| 6296 | return; |
| 6297 | |
| 6298 | /* hiding raid component */ |
| 6299 | _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6300 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6301 | if (starget) |
| 6302 | starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6303 | |
| 6304 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6305 | } |
| 6306 | |
| 6307 | /** |
| 6308 | * _scsih_sas_pd_delete - delete pd component |
| 6309 | * @ioc: per adapter object |
| 6310 | * @element: IR config element data |
| 6311 | * Context: user. |
| 6312 | * |
| 6313 | * Return nothing. |
| 6314 | */ |
| 6315 | static void |
| 6316 | _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc, |
| 6317 | Mpi2EventIrConfigElement_t *element) |
| 6318 | { |
| 6319 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| 6320 | |
| 6321 | _scsih_device_remove_by_handle(ioc, handle); |
| 6322 | } |
| 6323 | |
| 6324 | /** |
| 6325 | * _scsih_sas_pd_add - remove pd component |
| 6326 | * @ioc: per adapter object |
| 6327 | * @element: IR config element data |
| 6328 | * Context: user. |
| 6329 | * |
| 6330 | * Return nothing. |
| 6331 | */ |
| 6332 | static void |
| 6333 | _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc, |
| 6334 | Mpi2EventIrConfigElement_t *element) |
| 6335 | { |
| 6336 | struct _sas_device *sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6337 | u16 handle = le16_to_cpu(element->PhysDiskDevHandle); |
| 6338 | Mpi2ConfigReply_t mpi_reply; |
| 6339 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 6340 | u32 ioc_status; |
| 6341 | u64 sas_address; |
| 6342 | u16 parent_handle; |
| 6343 | |
| 6344 | set_bit(handle, ioc->pd_handles); |
| 6345 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6346 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6347 | if (sas_device) { |
| 6348 | _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6349 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6350 | return; |
| 6351 | } |
| 6352 | |
| 6353 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 6354 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
| 6355 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 6356 | ioc->name, __FILE__, __LINE__, __func__); |
| 6357 | return; |
| 6358 | } |
| 6359 | |
| 6360 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 6361 | MPI2_IOCSTATUS_MASK; |
| 6362 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 6363 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 6364 | ioc->name, __FILE__, __LINE__, __func__); |
| 6365 | return; |
| 6366 | } |
| 6367 | |
| 6368 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| 6369 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) |
| 6370 | mpt3sas_transport_update_links(ioc, sas_address, handle, |
| 6371 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| 6372 | |
| 6373 | _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); |
| 6374 | _scsih_add_device(ioc, handle, 0, 1); |
| 6375 | } |
| 6376 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6377 | /** |
| 6378 | * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events |
| 6379 | * @ioc: per adapter object |
| 6380 | * @event_data: event data payload |
| 6381 | * Context: user. |
| 6382 | * |
| 6383 | * Return nothing. |
| 6384 | */ |
| 6385 | static void |
| 6386 | _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| 6387 | Mpi2EventDataIrConfigChangeList_t *event_data) |
| 6388 | { |
| 6389 | Mpi2EventIrConfigElement_t *element; |
| 6390 | u8 element_type; |
| 6391 | int i; |
| 6392 | char *reason_str = NULL, *element_str = NULL; |
| 6393 | |
| 6394 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
| 6395 | |
| 6396 | pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n", |
| 6397 | ioc->name, (le32_to_cpu(event_data->Flags) & |
| 6398 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? |
| 6399 | "foreign" : "native", event_data->NumElements); |
| 6400 | for (i = 0; i < event_data->NumElements; i++, element++) { |
| 6401 | switch (element->ReasonCode) { |
| 6402 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: |
| 6403 | reason_str = "add"; |
| 6404 | break; |
| 6405 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: |
| 6406 | reason_str = "remove"; |
| 6407 | break; |
| 6408 | case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE: |
| 6409 | reason_str = "no change"; |
| 6410 | break; |
| 6411 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: |
| 6412 | reason_str = "hide"; |
| 6413 | break; |
| 6414 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: |
| 6415 | reason_str = "unhide"; |
| 6416 | break; |
| 6417 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: |
| 6418 | reason_str = "volume_created"; |
| 6419 | break; |
| 6420 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: |
| 6421 | reason_str = "volume_deleted"; |
| 6422 | break; |
| 6423 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: |
| 6424 | reason_str = "pd_created"; |
| 6425 | break; |
| 6426 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: |
| 6427 | reason_str = "pd_deleted"; |
| 6428 | break; |
| 6429 | default: |
| 6430 | reason_str = "unknown reason"; |
| 6431 | break; |
| 6432 | } |
| 6433 | element_type = le16_to_cpu(element->ElementFlags) & |
| 6434 | MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK; |
| 6435 | switch (element_type) { |
| 6436 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT: |
| 6437 | element_str = "volume"; |
| 6438 | break; |
| 6439 | case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT: |
| 6440 | element_str = "phys disk"; |
| 6441 | break; |
| 6442 | case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT: |
| 6443 | element_str = "hot spare"; |
| 6444 | break; |
| 6445 | default: |
| 6446 | element_str = "unknown element"; |
| 6447 | break; |
| 6448 | } |
| 6449 | pr_info("\t(%s:%s), vol handle(0x%04x), " \ |
| 6450 | "pd handle(0x%04x), pd num(0x%02x)\n", element_str, |
| 6451 | reason_str, le16_to_cpu(element->VolDevHandle), |
| 6452 | le16_to_cpu(element->PhysDiskDevHandle), |
| 6453 | element->PhysDiskNum); |
| 6454 | } |
| 6455 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6456 | |
| 6457 | /** |
| 6458 | * _scsih_sas_ir_config_change_event - handle ir configuration change events |
| 6459 | * @ioc: per adapter object |
| 6460 | * @fw_event: The fw_event_work object |
| 6461 | * Context: user. |
| 6462 | * |
| 6463 | * Return nothing. |
| 6464 | */ |
| 6465 | static void |
| 6466 | _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc, |
| 6467 | struct fw_event_work *fw_event) |
| 6468 | { |
| 6469 | Mpi2EventIrConfigElement_t *element; |
| 6470 | int i; |
| 6471 | u8 foreign_config; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 6472 | Mpi2EventDataIrConfigChangeList_t *event_data = |
| 6473 | (Mpi2EventDataIrConfigChangeList_t *) |
| 6474 | fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6475 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6476 | if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) && |
| 6477 | (!ioc->hide_ir_msg)) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6478 | _scsih_sas_ir_config_change_event_debug(ioc, event_data); |
| 6479 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6480 | foreign_config = (le32_to_cpu(event_data->Flags) & |
| 6481 | MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; |
| 6482 | |
| 6483 | element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6484 | if (ioc->shost_recovery && |
| 6485 | ioc->hba_mpi_version_belonged != MPI2_VERSION) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6486 | for (i = 0; i < event_data->NumElements; i++, element++) { |
| 6487 | if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE) |
| 6488 | _scsih_ir_fastpath(ioc, |
| 6489 | le16_to_cpu(element->PhysDiskDevHandle), |
| 6490 | element->PhysDiskNum); |
| 6491 | } |
| 6492 | return; |
| 6493 | } |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6494 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6495 | for (i = 0; i < event_data->NumElements; i++, element++) { |
| 6496 | |
| 6497 | switch (element->ReasonCode) { |
| 6498 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED: |
| 6499 | case MPI2_EVENT_IR_CHANGE_RC_ADDED: |
| 6500 | if (!foreign_config) |
| 6501 | _scsih_sas_volume_add(ioc, element); |
| 6502 | break; |
| 6503 | case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: |
| 6504 | case MPI2_EVENT_IR_CHANGE_RC_REMOVED: |
| 6505 | if (!foreign_config) |
| 6506 | _scsih_sas_volume_delete(ioc, |
| 6507 | le16_to_cpu(element->VolDevHandle)); |
| 6508 | break; |
| 6509 | case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6510 | if (!ioc->is_warpdrive) |
| 6511 | _scsih_sas_pd_hide(ioc, element); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6512 | break; |
| 6513 | case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6514 | if (!ioc->is_warpdrive) |
| 6515 | _scsih_sas_pd_expose(ioc, element); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6516 | break; |
| 6517 | case MPI2_EVENT_IR_CHANGE_RC_HIDE: |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6518 | if (!ioc->is_warpdrive) |
| 6519 | _scsih_sas_pd_add(ioc, element); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6520 | break; |
| 6521 | case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6522 | if (!ioc->is_warpdrive) |
| 6523 | _scsih_sas_pd_delete(ioc, element); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6524 | break; |
| 6525 | } |
| 6526 | } |
| 6527 | } |
| 6528 | |
| 6529 | /** |
| 6530 | * _scsih_sas_ir_volume_event - IR volume event |
| 6531 | * @ioc: per adapter object |
| 6532 | * @fw_event: The fw_event_work object |
| 6533 | * Context: user. |
| 6534 | * |
| 6535 | * Return nothing. |
| 6536 | */ |
| 6537 | static void |
| 6538 | _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc, |
| 6539 | struct fw_event_work *fw_event) |
| 6540 | { |
| 6541 | u64 wwid; |
| 6542 | unsigned long flags; |
| 6543 | struct _raid_device *raid_device; |
| 6544 | u16 handle; |
| 6545 | u32 state; |
| 6546 | int rc; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 6547 | Mpi2EventDataIrVolume_t *event_data = |
| 6548 | (Mpi2EventDataIrVolume_t *) fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6549 | |
| 6550 | if (ioc->shost_recovery) |
| 6551 | return; |
| 6552 | |
| 6553 | if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) |
| 6554 | return; |
| 6555 | |
| 6556 | handle = le16_to_cpu(event_data->VolDevHandle); |
| 6557 | state = le32_to_cpu(event_data->NewValue); |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6558 | if (!ioc->hide_ir_msg) |
| 6559 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 6560 | "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", |
| 6561 | ioc->name, __func__, handle, |
| 6562 | le32_to_cpu(event_data->PreviousValue), state)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6563 | switch (state) { |
| 6564 | case MPI2_RAID_VOL_STATE_MISSING: |
| 6565 | case MPI2_RAID_VOL_STATE_FAILED: |
| 6566 | _scsih_sas_volume_delete(ioc, handle); |
| 6567 | break; |
| 6568 | |
| 6569 | case MPI2_RAID_VOL_STATE_ONLINE: |
| 6570 | case MPI2_RAID_VOL_STATE_DEGRADED: |
| 6571 | case MPI2_RAID_VOL_STATE_OPTIMAL: |
| 6572 | |
| 6573 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6574 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6575 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6576 | |
| 6577 | if (raid_device) |
| 6578 | break; |
| 6579 | |
| 6580 | mpt3sas_config_get_volume_wwid(ioc, handle, &wwid); |
| 6581 | if (!wwid) { |
| 6582 | pr_err(MPT3SAS_FMT |
| 6583 | "failure at %s:%d/%s()!\n", ioc->name, |
| 6584 | __FILE__, __LINE__, __func__); |
| 6585 | break; |
| 6586 | } |
| 6587 | |
| 6588 | raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL); |
| 6589 | if (!raid_device) { |
| 6590 | pr_err(MPT3SAS_FMT |
| 6591 | "failure at %s:%d/%s()!\n", ioc->name, |
| 6592 | __FILE__, __LINE__, __func__); |
| 6593 | break; |
| 6594 | } |
| 6595 | |
| 6596 | raid_device->id = ioc->sas_id++; |
| 6597 | raid_device->channel = RAID_CHANNEL; |
| 6598 | raid_device->handle = handle; |
| 6599 | raid_device->wwid = wwid; |
| 6600 | _scsih_raid_device_add(ioc, raid_device); |
| 6601 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| 6602 | raid_device->id, 0); |
| 6603 | if (rc) |
| 6604 | _scsih_raid_device_remove(ioc, raid_device); |
| 6605 | break; |
| 6606 | |
| 6607 | case MPI2_RAID_VOL_STATE_INITIALIZING: |
| 6608 | default: |
| 6609 | break; |
| 6610 | } |
| 6611 | } |
| 6612 | |
| 6613 | /** |
| 6614 | * _scsih_sas_ir_physical_disk_event - PD event |
| 6615 | * @ioc: per adapter object |
| 6616 | * @fw_event: The fw_event_work object |
| 6617 | * Context: user. |
| 6618 | * |
| 6619 | * Return nothing. |
| 6620 | */ |
| 6621 | static void |
| 6622 | _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, |
| 6623 | struct fw_event_work *fw_event) |
| 6624 | { |
| 6625 | u16 handle, parent_handle; |
| 6626 | u32 state; |
| 6627 | struct _sas_device *sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6628 | Mpi2ConfigReply_t mpi_reply; |
| 6629 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 6630 | u32 ioc_status; |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 6631 | Mpi2EventDataIrPhysicalDisk_t *event_data = |
| 6632 | (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6633 | u64 sas_address; |
| 6634 | |
| 6635 | if (ioc->shost_recovery) |
| 6636 | return; |
| 6637 | |
| 6638 | if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) |
| 6639 | return; |
| 6640 | |
| 6641 | handle = le16_to_cpu(event_data->PhysDiskDevHandle); |
| 6642 | state = le32_to_cpu(event_data->NewValue); |
| 6643 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6644 | if (!ioc->hide_ir_msg) |
| 6645 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 6646 | "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", |
| 6647 | ioc->name, __func__, handle, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6648 | le32_to_cpu(event_data->PreviousValue), state)); |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6649 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6650 | switch (state) { |
| 6651 | case MPI2_RAID_PD_STATE_ONLINE: |
| 6652 | case MPI2_RAID_PD_STATE_DEGRADED: |
| 6653 | case MPI2_RAID_PD_STATE_REBUILDING: |
| 6654 | case MPI2_RAID_PD_STATE_OPTIMAL: |
| 6655 | case MPI2_RAID_PD_STATE_HOT_SPARE: |
| 6656 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6657 | if (!ioc->is_warpdrive) |
| 6658 | set_bit(handle, ioc->pd_handles); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6659 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6660 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| 6661 | if (sas_device) { |
| 6662 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6663 | return; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 6664 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6665 | |
| 6666 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| 6667 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| 6668 | handle))) { |
| 6669 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 6670 | ioc->name, __FILE__, __LINE__, __func__); |
| 6671 | return; |
| 6672 | } |
| 6673 | |
| 6674 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 6675 | MPI2_IOCSTATUS_MASK; |
| 6676 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 6677 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 6678 | ioc->name, __FILE__, __LINE__, __func__); |
| 6679 | return; |
| 6680 | } |
| 6681 | |
| 6682 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| 6683 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) |
| 6684 | mpt3sas_transport_update_links(ioc, sas_address, handle, |
| 6685 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| 6686 | |
| 6687 | _scsih_add_device(ioc, handle, 0, 1); |
| 6688 | |
| 6689 | break; |
| 6690 | |
| 6691 | case MPI2_RAID_PD_STATE_OFFLINE: |
| 6692 | case MPI2_RAID_PD_STATE_NOT_CONFIGURED: |
| 6693 | case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: |
| 6694 | default: |
| 6695 | break; |
| 6696 | } |
| 6697 | } |
| 6698 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6699 | /** |
| 6700 | * _scsih_sas_ir_operation_status_event_debug - debug for IR op event |
| 6701 | * @ioc: per adapter object |
| 6702 | * @event_data: event data payload |
| 6703 | * Context: user. |
| 6704 | * |
| 6705 | * Return nothing. |
| 6706 | */ |
| 6707 | static void |
| 6708 | _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc, |
| 6709 | Mpi2EventDataIrOperationStatus_t *event_data) |
| 6710 | { |
| 6711 | char *reason_str = NULL; |
| 6712 | |
| 6713 | switch (event_data->RAIDOperation) { |
| 6714 | case MPI2_EVENT_IR_RAIDOP_RESYNC: |
| 6715 | reason_str = "resync"; |
| 6716 | break; |
| 6717 | case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION: |
| 6718 | reason_str = "online capacity expansion"; |
| 6719 | break; |
| 6720 | case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK: |
| 6721 | reason_str = "consistency check"; |
| 6722 | break; |
| 6723 | case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT: |
| 6724 | reason_str = "background init"; |
| 6725 | break; |
| 6726 | case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT: |
| 6727 | reason_str = "make data consistent"; |
| 6728 | break; |
| 6729 | } |
| 6730 | |
| 6731 | if (!reason_str) |
| 6732 | return; |
| 6733 | |
| 6734 | pr_info(MPT3SAS_FMT "raid operational status: (%s)" \ |
| 6735 | "\thandle(0x%04x), percent complete(%d)\n", |
| 6736 | ioc->name, reason_str, |
| 6737 | le16_to_cpu(event_data->VolDevHandle), |
| 6738 | event_data->PercentComplete); |
| 6739 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6740 | |
| 6741 | /** |
| 6742 | * _scsih_sas_ir_operation_status_event - handle RAID operation events |
| 6743 | * @ioc: per adapter object |
| 6744 | * @fw_event: The fw_event_work object |
| 6745 | * Context: user. |
| 6746 | * |
| 6747 | * Return nothing. |
| 6748 | */ |
| 6749 | static void |
| 6750 | _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc, |
| 6751 | struct fw_event_work *fw_event) |
| 6752 | { |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 6753 | Mpi2EventDataIrOperationStatus_t *event_data = |
| 6754 | (Mpi2EventDataIrOperationStatus_t *) |
| 6755 | fw_event->event_data; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6756 | static struct _raid_device *raid_device; |
| 6757 | unsigned long flags; |
| 6758 | u16 handle; |
| 6759 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6760 | if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) && |
| 6761 | (!ioc->hide_ir_msg)) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6762 | _scsih_sas_ir_operation_status_event_debug(ioc, |
| 6763 | event_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6764 | |
| 6765 | /* code added for raid transport support */ |
| 6766 | if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { |
| 6767 | |
| 6768 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 6769 | handle = le16_to_cpu(event_data->VolDevHandle); |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6770 | raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6771 | if (raid_device) |
| 6772 | raid_device->percent_complete = |
| 6773 | event_data->PercentComplete; |
| 6774 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6775 | } |
| 6776 | } |
| 6777 | |
| 6778 | /** |
| 6779 | * _scsih_prep_device_scan - initialize parameters prior to device scan |
| 6780 | * @ioc: per adapter object |
| 6781 | * |
| 6782 | * Set the deleted flag prior to device scan. If the device is found during |
| 6783 | * the scan, then we clear the deleted flag. |
| 6784 | */ |
| 6785 | static void |
| 6786 | _scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc) |
| 6787 | { |
| 6788 | struct MPT3SAS_DEVICE *sas_device_priv_data; |
| 6789 | struct scsi_device *sdev; |
| 6790 | |
| 6791 | shost_for_each_device(sdev, ioc->shost) { |
| 6792 | sas_device_priv_data = sdev->hostdata; |
| 6793 | if (sas_device_priv_data && sas_device_priv_data->sas_target) |
| 6794 | sas_device_priv_data->sas_target->deleted = 1; |
| 6795 | } |
| 6796 | } |
| 6797 | |
| 6798 | /** |
| 6799 | * _scsih_mark_responding_sas_device - mark a sas_devices as responding |
| 6800 | * @ioc: per adapter object |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6801 | * @sas_device_pg0: SAS Device page 0 |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6802 | * |
| 6803 | * After host reset, find out whether devices are still responding. |
| 6804 | * Used in _scsih_remove_unresponsive_sas_devices. |
| 6805 | * |
| 6806 | * Return nothing. |
| 6807 | */ |
| 6808 | static void |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6809 | _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc, |
| 6810 | Mpi2SasDevicePage0_t *sas_device_pg0) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6811 | { |
| 6812 | struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
| 6813 | struct scsi_target *starget; |
| 6814 | struct _sas_device *sas_device; |
| 6815 | unsigned long flags; |
| 6816 | |
| 6817 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 6818 | list_for_each_entry(sas_device, &ioc->sas_device_list, list) { |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6819 | if ((sas_device->sas_address == sas_device_pg0->SASAddress) && |
| 6820 | (sas_device->slot == sas_device_pg0->Slot)) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6821 | sas_device->responding = 1; |
| 6822 | starget = sas_device->starget; |
| 6823 | if (starget && starget->hostdata) { |
| 6824 | sas_target_priv_data = starget->hostdata; |
| 6825 | sas_target_priv_data->tm_busy = 0; |
| 6826 | sas_target_priv_data->deleted = 0; |
| 6827 | } else |
| 6828 | sas_target_priv_data = NULL; |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6829 | if (starget) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6830 | starget_printk(KERN_INFO, starget, |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6831 | "handle(0x%04x), sas_addr(0x%016llx)\n", |
| 6832 | sas_device_pg0->DevHandle, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6833 | (unsigned long long) |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6834 | sas_device->sas_address); |
| 6835 | |
| 6836 | if (sas_device->enclosure_handle != 0) |
| 6837 | starget_printk(KERN_INFO, starget, |
| 6838 | "enclosure logical id(0x%016llx)," |
| 6839 | " slot(%d)\n", |
| 6840 | (unsigned long long) |
| 6841 | sas_device->enclosure_logical_id, |
| 6842 | sas_device->slot); |
| 6843 | } |
| 6844 | if (sas_device_pg0->Flags & |
| 6845 | MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) { |
| 6846 | sas_device->enclosure_level = |
| 6847 | le16_to_cpu(sas_device_pg0->EnclosureLevel); |
| 6848 | memcpy(&sas_device->connector_name[0], |
| 6849 | &sas_device_pg0->ConnectorName[0], 4); |
| 6850 | } else { |
| 6851 | sas_device->enclosure_level = 0; |
| 6852 | sas_device->connector_name[0] = '\0'; |
| 6853 | } |
| 6854 | |
| 6855 | if (sas_device->handle == sas_device_pg0->DevHandle) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6856 | goto out; |
| 6857 | pr_info("\thandle changed from(0x%04x)!!!\n", |
| 6858 | sas_device->handle); |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6859 | sas_device->handle = sas_device_pg0->DevHandle; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6860 | if (sas_target_priv_data) |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6861 | sas_target_priv_data->handle = |
| 6862 | sas_device_pg0->DevHandle; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6863 | goto out; |
| 6864 | } |
| 6865 | } |
| 6866 | out: |
| 6867 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 6868 | } |
| 6869 | |
| 6870 | /** |
| 6871 | * _scsih_search_responding_sas_devices - |
| 6872 | * @ioc: per adapter object |
| 6873 | * |
| 6874 | * After host reset, find out whether devices are still responding. |
| 6875 | * If not remove. |
| 6876 | * |
| 6877 | * Return nothing. |
| 6878 | */ |
| 6879 | static void |
| 6880 | _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc) |
| 6881 | { |
| 6882 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 6883 | Mpi2ConfigReply_t mpi_reply; |
| 6884 | u16 ioc_status; |
| 6885 | u16 handle; |
| 6886 | u32 device_info; |
| 6887 | |
| 6888 | pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name); |
| 6889 | |
| 6890 | if (list_empty(&ioc->sas_device_list)) |
| 6891 | goto out; |
| 6892 | |
| 6893 | handle = 0xFFFF; |
| 6894 | while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| 6895 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| 6896 | handle))) { |
| 6897 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 6898 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | 14be49a | 2013-06-29 03:53:02 +0530 | [diff] [blame] | 6899 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6900 | break; |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6901 | handle = sas_device_pg0.DevHandle = |
| 6902 | le16_to_cpu(sas_device_pg0.DevHandle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6903 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| 6904 | if (!(_scsih_is_end_device(device_info))) |
| 6905 | continue; |
Sreekanth Reddy | e6d45e3 | 2015-06-30 12:24:52 +0530 | [diff] [blame] | 6906 | sas_device_pg0.SASAddress = |
| 6907 | le64_to_cpu(sas_device_pg0.SASAddress); |
| 6908 | sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot); |
| 6909 | _scsih_mark_responding_sas_device(ioc, &sas_device_pg0); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6910 | } |
| 6911 | |
| 6912 | out: |
| 6913 | pr_info(MPT3SAS_FMT "search for end-devices: complete\n", |
| 6914 | ioc->name); |
| 6915 | } |
| 6916 | |
| 6917 | /** |
| 6918 | * _scsih_mark_responding_raid_device - mark a raid_device as responding |
| 6919 | * @ioc: per adapter object |
| 6920 | * @wwid: world wide identifier for raid volume |
| 6921 | * @handle: device handle |
| 6922 | * |
| 6923 | * After host reset, find out whether devices are still responding. |
| 6924 | * Used in _scsih_remove_unresponsive_raid_devices. |
| 6925 | * |
| 6926 | * Return nothing. |
| 6927 | */ |
| 6928 | static void |
| 6929 | _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid, |
| 6930 | u16 handle) |
| 6931 | { |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6932 | struct MPT3SAS_TARGET *sas_target_priv_data = NULL; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6933 | struct scsi_target *starget; |
| 6934 | struct _raid_device *raid_device; |
| 6935 | unsigned long flags; |
| 6936 | |
| 6937 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 6938 | list_for_each_entry(raid_device, &ioc->raid_device_list, list) { |
| 6939 | if (raid_device->wwid == wwid && raid_device->starget) { |
| 6940 | starget = raid_device->starget; |
| 6941 | if (starget && starget->hostdata) { |
| 6942 | sas_target_priv_data = starget->hostdata; |
| 6943 | sas_target_priv_data->deleted = 0; |
| 6944 | } else |
| 6945 | sas_target_priv_data = NULL; |
| 6946 | raid_device->responding = 1; |
| 6947 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6948 | starget_printk(KERN_INFO, raid_device->starget, |
| 6949 | "handle(0x%04x), wwid(0x%016llx)\n", handle, |
| 6950 | (unsigned long long)raid_device->wwid); |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6951 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 6952 | /* |
| 6953 | * WARPDRIVE: The handles of the PDs might have changed |
| 6954 | * across the host reset so re-initialize the |
| 6955 | * required data for Direct IO |
| 6956 | */ |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 6957 | mpt3sas_init_warpdrive_properties(ioc, raid_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 6958 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 6959 | if (raid_device->handle == handle) { |
| 6960 | spin_unlock_irqrestore(&ioc->raid_device_lock, |
| 6961 | flags); |
| 6962 | return; |
| 6963 | } |
| 6964 | pr_info("\thandle changed from(0x%04x)!!!\n", |
| 6965 | raid_device->handle); |
| 6966 | raid_device->handle = handle; |
| 6967 | if (sas_target_priv_data) |
| 6968 | sas_target_priv_data->handle = handle; |
| 6969 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6970 | return; |
| 6971 | } |
| 6972 | } |
| 6973 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 6974 | } |
| 6975 | |
| 6976 | /** |
| 6977 | * _scsih_search_responding_raid_devices - |
| 6978 | * @ioc: per adapter object |
| 6979 | * |
| 6980 | * After host reset, find out whether devices are still responding. |
| 6981 | * If not remove. |
| 6982 | * |
| 6983 | * Return nothing. |
| 6984 | */ |
| 6985 | static void |
| 6986 | _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc) |
| 6987 | { |
| 6988 | Mpi2RaidVolPage1_t volume_pg1; |
| 6989 | Mpi2RaidVolPage0_t volume_pg0; |
| 6990 | Mpi2RaidPhysDiskPage0_t pd_pg0; |
| 6991 | Mpi2ConfigReply_t mpi_reply; |
| 6992 | u16 ioc_status; |
| 6993 | u16 handle; |
| 6994 | u8 phys_disk_num; |
| 6995 | |
| 6996 | if (!ioc->ir_firmware) |
| 6997 | return; |
| 6998 | |
| 6999 | pr_info(MPT3SAS_FMT "search for raid volumes: start\n", |
| 7000 | ioc->name); |
| 7001 | |
| 7002 | if (list_empty(&ioc->raid_device_list)) |
| 7003 | goto out; |
| 7004 | |
| 7005 | handle = 0xFFFF; |
| 7006 | while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply, |
| 7007 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { |
| 7008 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7009 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | 14be49a | 2013-06-29 03:53:02 +0530 | [diff] [blame] | 7010 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7011 | break; |
| 7012 | handle = le16_to_cpu(volume_pg1.DevHandle); |
| 7013 | |
| 7014 | if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, |
| 7015 | &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| 7016 | sizeof(Mpi2RaidVolPage0_t))) |
| 7017 | continue; |
| 7018 | |
| 7019 | if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || |
| 7020 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || |
| 7021 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) |
| 7022 | _scsih_mark_responding_raid_device(ioc, |
| 7023 | le64_to_cpu(volume_pg1.WWID), handle); |
| 7024 | } |
| 7025 | |
| 7026 | /* refresh the pd_handles */ |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 7027 | if (!ioc->is_warpdrive) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7028 | phys_disk_num = 0xFF; |
| 7029 | memset(ioc->pd_handles, 0, ioc->pd_handles_sz); |
| 7030 | while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| 7031 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, |
| 7032 | phys_disk_num))) { |
| 7033 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7034 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | 14be49a | 2013-06-29 03:53:02 +0530 | [diff] [blame] | 7035 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7036 | break; |
| 7037 | phys_disk_num = pd_pg0.PhysDiskNum; |
| 7038 | handle = le16_to_cpu(pd_pg0.DevHandle); |
| 7039 | set_bit(handle, ioc->pd_handles); |
| 7040 | } |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 7041 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7042 | out: |
| 7043 | pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n", |
| 7044 | ioc->name); |
| 7045 | } |
| 7046 | |
| 7047 | /** |
| 7048 | * _scsih_mark_responding_expander - mark a expander as responding |
| 7049 | * @ioc: per adapter object |
| 7050 | * @sas_address: sas address |
| 7051 | * @handle: |
| 7052 | * |
| 7053 | * After host reset, find out whether devices are still responding. |
| 7054 | * Used in _scsih_remove_unresponsive_expanders. |
| 7055 | * |
| 7056 | * Return nothing. |
| 7057 | */ |
| 7058 | static void |
| 7059 | _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, |
| 7060 | u16 handle) |
| 7061 | { |
| 7062 | struct _sas_node *sas_expander; |
| 7063 | unsigned long flags; |
| 7064 | int i; |
| 7065 | |
| 7066 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 7067 | list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { |
| 7068 | if (sas_expander->sas_address != sas_address) |
| 7069 | continue; |
| 7070 | sas_expander->responding = 1; |
| 7071 | if (sas_expander->handle == handle) |
| 7072 | goto out; |
| 7073 | pr_info("\texpander(0x%016llx): handle changed" \ |
| 7074 | " from(0x%04x) to (0x%04x)!!!\n", |
| 7075 | (unsigned long long)sas_expander->sas_address, |
| 7076 | sas_expander->handle, handle); |
| 7077 | sas_expander->handle = handle; |
| 7078 | for (i = 0 ; i < sas_expander->num_phys ; i++) |
| 7079 | sas_expander->phy[i].handle = handle; |
| 7080 | goto out; |
| 7081 | } |
| 7082 | out: |
| 7083 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 7084 | } |
| 7085 | |
| 7086 | /** |
| 7087 | * _scsih_search_responding_expanders - |
| 7088 | * @ioc: per adapter object |
| 7089 | * |
| 7090 | * After host reset, find out whether devices are still responding. |
| 7091 | * If not remove. |
| 7092 | * |
| 7093 | * Return nothing. |
| 7094 | */ |
| 7095 | static void |
| 7096 | _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc) |
| 7097 | { |
| 7098 | Mpi2ExpanderPage0_t expander_pg0; |
| 7099 | Mpi2ConfigReply_t mpi_reply; |
| 7100 | u16 ioc_status; |
| 7101 | u64 sas_address; |
| 7102 | u16 handle; |
| 7103 | |
| 7104 | pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name); |
| 7105 | |
| 7106 | if (list_empty(&ioc->sas_expander_list)) |
| 7107 | goto out; |
| 7108 | |
| 7109 | handle = 0xFFFF; |
| 7110 | while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| 7111 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { |
| 7112 | |
| 7113 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7114 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | 14be49a | 2013-06-29 03:53:02 +0530 | [diff] [blame] | 7115 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7116 | break; |
| 7117 | |
| 7118 | handle = le16_to_cpu(expander_pg0.DevHandle); |
| 7119 | sas_address = le64_to_cpu(expander_pg0.SASAddress); |
| 7120 | pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 7121 | handle, |
| 7122 | (unsigned long long)sas_address); |
| 7123 | _scsih_mark_responding_expander(ioc, sas_address, handle); |
| 7124 | } |
| 7125 | |
| 7126 | out: |
| 7127 | pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name); |
| 7128 | } |
| 7129 | |
| 7130 | /** |
| 7131 | * _scsih_remove_unresponding_sas_devices - removing unresponding devices |
| 7132 | * @ioc: per adapter object |
| 7133 | * |
| 7134 | * Return nothing. |
| 7135 | */ |
| 7136 | static void |
| 7137 | _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc) |
| 7138 | { |
| 7139 | struct _sas_device *sas_device, *sas_device_next; |
| 7140 | struct _sas_node *sas_expander, *sas_expander_next; |
| 7141 | struct _raid_device *raid_device, *raid_device_next; |
| 7142 | struct list_head tmp_list; |
| 7143 | unsigned long flags; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7144 | LIST_HEAD(head); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7145 | |
| 7146 | pr_info(MPT3SAS_FMT "removing unresponding devices: start\n", |
| 7147 | ioc->name); |
| 7148 | |
| 7149 | /* removing unresponding end devices */ |
| 7150 | pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n", |
| 7151 | ioc->name); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7152 | /* |
| 7153 | * Iterate, pulling off devices marked as non-responding. We become the |
| 7154 | * owner for the reference the list had on any object we prune. |
| 7155 | */ |
| 7156 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7157 | list_for_each_entry_safe(sas_device, sas_device_next, |
| 7158 | &ioc->sas_device_list, list) { |
| 7159 | if (!sas_device->responding) |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7160 | list_move_tail(&sas_device->list, &head); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7161 | else |
| 7162 | sas_device->responding = 0; |
| 7163 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7164 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 7165 | |
| 7166 | /* |
| 7167 | * Now, uninitialize and remove the unresponding devices we pruned. |
| 7168 | */ |
| 7169 | list_for_each_entry_safe(sas_device, sas_device_next, &head, list) { |
| 7170 | _scsih_remove_device(ioc, sas_device); |
| 7171 | list_del_init(&sas_device->list); |
| 7172 | sas_device_put(sas_device); |
| 7173 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7174 | |
| 7175 | /* removing unresponding volumes */ |
| 7176 | if (ioc->ir_firmware) { |
| 7177 | pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n", |
| 7178 | ioc->name); |
| 7179 | list_for_each_entry_safe(raid_device, raid_device_next, |
| 7180 | &ioc->raid_device_list, list) { |
| 7181 | if (!raid_device->responding) |
| 7182 | _scsih_sas_volume_delete(ioc, |
| 7183 | raid_device->handle); |
| 7184 | else |
| 7185 | raid_device->responding = 0; |
| 7186 | } |
| 7187 | } |
| 7188 | |
| 7189 | /* removing unresponding expanders */ |
| 7190 | pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n", |
| 7191 | ioc->name); |
| 7192 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 7193 | INIT_LIST_HEAD(&tmp_list); |
| 7194 | list_for_each_entry_safe(sas_expander, sas_expander_next, |
| 7195 | &ioc->sas_expander_list, list) { |
| 7196 | if (!sas_expander->responding) |
| 7197 | list_move_tail(&sas_expander->list, &tmp_list); |
| 7198 | else |
| 7199 | sas_expander->responding = 0; |
| 7200 | } |
| 7201 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 7202 | list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list, |
| 7203 | list) { |
| 7204 | list_del(&sas_expander->list); |
| 7205 | _scsih_expander_node_remove(ioc, sas_expander); |
| 7206 | } |
| 7207 | |
| 7208 | pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n", |
| 7209 | ioc->name); |
| 7210 | |
| 7211 | /* unblock devices */ |
| 7212 | _scsih_ublock_io_all_device(ioc); |
| 7213 | } |
| 7214 | |
| 7215 | static void |
| 7216 | _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc, |
| 7217 | struct _sas_node *sas_expander, u16 handle) |
| 7218 | { |
| 7219 | Mpi2ExpanderPage1_t expander_pg1; |
| 7220 | Mpi2ConfigReply_t mpi_reply; |
| 7221 | int i; |
| 7222 | |
| 7223 | for (i = 0 ; i < sas_expander->num_phys ; i++) { |
| 7224 | if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply, |
| 7225 | &expander_pg1, i, handle))) { |
| 7226 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 7227 | ioc->name, __FILE__, __LINE__, __func__); |
| 7228 | return; |
| 7229 | } |
| 7230 | |
| 7231 | mpt3sas_transport_update_links(ioc, sas_expander->sas_address, |
| 7232 | le16_to_cpu(expander_pg1.AttachedDevHandle), i, |
| 7233 | expander_pg1.NegotiatedLinkRate >> 4); |
| 7234 | } |
| 7235 | } |
| 7236 | |
| 7237 | /** |
| 7238 | * _scsih_scan_for_devices_after_reset - scan for devices after host reset |
| 7239 | * @ioc: per adapter object |
| 7240 | * |
| 7241 | * Return nothing. |
| 7242 | */ |
| 7243 | static void |
| 7244 | _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc) |
| 7245 | { |
| 7246 | Mpi2ExpanderPage0_t expander_pg0; |
| 7247 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 7248 | Mpi2RaidVolPage1_t volume_pg1; |
| 7249 | Mpi2RaidVolPage0_t volume_pg0; |
| 7250 | Mpi2RaidPhysDiskPage0_t pd_pg0; |
| 7251 | Mpi2EventIrConfigElement_t element; |
| 7252 | Mpi2ConfigReply_t mpi_reply; |
| 7253 | u8 phys_disk_num; |
| 7254 | u16 ioc_status; |
| 7255 | u16 handle, parent_handle; |
| 7256 | u64 sas_address; |
| 7257 | struct _sas_device *sas_device; |
| 7258 | struct _sas_node *expander_device; |
| 7259 | static struct _raid_device *raid_device; |
| 7260 | u8 retry_count; |
| 7261 | unsigned long flags; |
| 7262 | |
| 7263 | pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name); |
| 7264 | |
| 7265 | _scsih_sas_host_refresh(ioc); |
| 7266 | |
| 7267 | pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name); |
| 7268 | |
| 7269 | /* expanders */ |
| 7270 | handle = 0xFFFF; |
| 7271 | while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, |
| 7272 | MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { |
| 7273 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7274 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7275 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 7276 | pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \ |
| 7277 | "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7278 | ioc->name, ioc_status, |
| 7279 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
| 7280 | break; |
| 7281 | } |
| 7282 | handle = le16_to_cpu(expander_pg0.DevHandle); |
| 7283 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 7284 | expander_device = mpt3sas_scsih_expander_find_by_sas_address( |
| 7285 | ioc, le64_to_cpu(expander_pg0.SASAddress)); |
| 7286 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 7287 | if (expander_device) |
| 7288 | _scsih_refresh_expander_links(ioc, expander_device, |
| 7289 | handle); |
| 7290 | else { |
| 7291 | pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \ |
| 7292 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, |
| 7293 | handle, (unsigned long long) |
| 7294 | le64_to_cpu(expander_pg0.SASAddress)); |
| 7295 | _scsih_expander_add(ioc, handle); |
| 7296 | pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \ |
| 7297 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, |
| 7298 | handle, (unsigned long long) |
| 7299 | le64_to_cpu(expander_pg0.SASAddress)); |
| 7300 | } |
| 7301 | } |
| 7302 | |
| 7303 | pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n", |
| 7304 | ioc->name); |
| 7305 | |
| 7306 | if (!ioc->ir_firmware) |
| 7307 | goto skip_to_sas; |
| 7308 | |
| 7309 | pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name); |
| 7310 | |
| 7311 | /* phys disk */ |
| 7312 | phys_disk_num = 0xFF; |
| 7313 | while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, |
| 7314 | &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, |
| 7315 | phys_disk_num))) { |
| 7316 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7317 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7318 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 7319 | pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\ |
| 7320 | "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7321 | ioc->name, ioc_status, |
| 7322 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
| 7323 | break; |
| 7324 | } |
| 7325 | phys_disk_num = pd_pg0.PhysDiskNum; |
| 7326 | handle = le16_to_cpu(pd_pg0.DevHandle); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7327 | sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); |
| 7328 | if (sas_device) { |
| 7329 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7330 | continue; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7331 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7332 | if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| 7333 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, |
| 7334 | handle) != 0) |
| 7335 | continue; |
| 7336 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7337 | MPI2_IOCSTATUS_MASK; |
| 7338 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 7339 | pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \ |
| 7340 | "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7341 | ioc->name, ioc_status, |
| 7342 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
| 7343 | break; |
| 7344 | } |
| 7345 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| 7346 | if (!_scsih_get_sas_address(ioc, parent_handle, |
| 7347 | &sas_address)) { |
| 7348 | pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \ |
| 7349 | " handle (0x%04x), sas_addr(0x%016llx)\n", |
| 7350 | ioc->name, handle, (unsigned long long) |
| 7351 | le64_to_cpu(sas_device_pg0.SASAddress)); |
| 7352 | mpt3sas_transport_update_links(ioc, sas_address, |
| 7353 | handle, sas_device_pg0.PhyNum, |
| 7354 | MPI2_SAS_NEG_LINK_RATE_1_5); |
| 7355 | set_bit(handle, ioc->pd_handles); |
| 7356 | retry_count = 0; |
| 7357 | /* This will retry adding the end device. |
| 7358 | * _scsih_add_device() will decide on retries and |
| 7359 | * return "1" when it should be retried |
| 7360 | */ |
| 7361 | while (_scsih_add_device(ioc, handle, retry_count++, |
| 7362 | 1)) { |
| 7363 | ssleep(1); |
| 7364 | } |
| 7365 | pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \ |
| 7366 | " handle (0x%04x), sas_addr(0x%016llx)\n", |
| 7367 | ioc->name, handle, (unsigned long long) |
| 7368 | le64_to_cpu(sas_device_pg0.SASAddress)); |
| 7369 | } |
| 7370 | } |
| 7371 | |
| 7372 | pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n", |
| 7373 | ioc->name); |
| 7374 | |
| 7375 | pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name); |
| 7376 | |
| 7377 | /* volumes */ |
| 7378 | handle = 0xFFFF; |
| 7379 | while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply, |
| 7380 | &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { |
| 7381 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7382 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7383 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 7384 | pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \ |
| 7385 | "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7386 | ioc->name, ioc_status, |
| 7387 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
| 7388 | break; |
| 7389 | } |
| 7390 | handle = le16_to_cpu(volume_pg1.DevHandle); |
| 7391 | spin_lock_irqsave(&ioc->raid_device_lock, flags); |
| 7392 | raid_device = _scsih_raid_device_find_by_wwid(ioc, |
| 7393 | le64_to_cpu(volume_pg1.WWID)); |
| 7394 | spin_unlock_irqrestore(&ioc->raid_device_lock, flags); |
| 7395 | if (raid_device) |
| 7396 | continue; |
| 7397 | if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, |
| 7398 | &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, |
| 7399 | sizeof(Mpi2RaidVolPage0_t))) |
| 7400 | continue; |
| 7401 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7402 | MPI2_IOCSTATUS_MASK; |
| 7403 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 7404 | pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \ |
| 7405 | "ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7406 | ioc->name, ioc_status, |
| 7407 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
| 7408 | break; |
| 7409 | } |
| 7410 | if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || |
| 7411 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || |
| 7412 | volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) { |
| 7413 | memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t)); |
| 7414 | element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED; |
| 7415 | element.VolDevHandle = volume_pg1.DevHandle; |
| 7416 | pr_info(MPT3SAS_FMT |
| 7417 | "\tBEFORE adding volume: handle (0x%04x)\n", |
| 7418 | ioc->name, volume_pg1.DevHandle); |
| 7419 | _scsih_sas_volume_add(ioc, &element); |
| 7420 | pr_info(MPT3SAS_FMT |
| 7421 | "\tAFTER adding volume: handle (0x%04x)\n", |
| 7422 | ioc->name, volume_pg1.DevHandle); |
| 7423 | } |
| 7424 | } |
| 7425 | |
| 7426 | pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n", |
| 7427 | ioc->name); |
| 7428 | |
| 7429 | skip_to_sas: |
| 7430 | |
| 7431 | pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n", |
| 7432 | ioc->name); |
| 7433 | |
| 7434 | /* sas devices */ |
| 7435 | handle = 0xFFFF; |
| 7436 | while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, |
| 7437 | &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, |
| 7438 | handle))) { |
| 7439 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 7440 | MPI2_IOCSTATUS_MASK; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7441 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 7442 | pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\ |
| 7443 | " ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7444 | ioc->name, ioc_status, |
| 7445 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
| 7446 | break; |
| 7447 | } |
| 7448 | handle = le16_to_cpu(sas_device_pg0.DevHandle); |
| 7449 | if (!(_scsih_is_end_device( |
| 7450 | le32_to_cpu(sas_device_pg0.DeviceInfo)))) |
| 7451 | continue; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7452 | sas_device = mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7453 | le64_to_cpu(sas_device_pg0.SASAddress)); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7454 | if (sas_device) { |
| 7455 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7456 | continue; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 7457 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7458 | parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); |
| 7459 | if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { |
| 7460 | pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \ |
| 7461 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, |
| 7462 | handle, (unsigned long long) |
| 7463 | le64_to_cpu(sas_device_pg0.SASAddress)); |
| 7464 | mpt3sas_transport_update_links(ioc, sas_address, handle, |
| 7465 | sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); |
| 7466 | retry_count = 0; |
| 7467 | /* This will retry adding the end device. |
| 7468 | * _scsih_add_device() will decide on retries and |
| 7469 | * return "1" when it should be retried |
| 7470 | */ |
| 7471 | while (_scsih_add_device(ioc, handle, retry_count++, |
| 7472 | 0)) { |
| 7473 | ssleep(1); |
| 7474 | } |
| 7475 | pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \ |
| 7476 | "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name, |
| 7477 | handle, (unsigned long long) |
| 7478 | le64_to_cpu(sas_device_pg0.SASAddress)); |
| 7479 | } |
| 7480 | } |
| 7481 | pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n", |
| 7482 | ioc->name); |
| 7483 | |
| 7484 | pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name); |
| 7485 | } |
| 7486 | /** |
| 7487 | * mpt3sas_scsih_reset_handler - reset callback handler (for scsih) |
| 7488 | * @ioc: per adapter object |
| 7489 | * @reset_phase: phase |
| 7490 | * |
| 7491 | * The handler for doing any required cleanup or initialization. |
| 7492 | * |
| 7493 | * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET, |
| 7494 | * MPT3_IOC_DONE_RESET |
| 7495 | * |
| 7496 | * Return nothing. |
| 7497 | */ |
| 7498 | void |
| 7499 | mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) |
| 7500 | { |
| 7501 | switch (reset_phase) { |
| 7502 | case MPT3_IOC_PRE_RESET: |
| 7503 | dtmprintk(ioc, pr_info(MPT3SAS_FMT |
| 7504 | "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__)); |
| 7505 | break; |
| 7506 | case MPT3_IOC_AFTER_RESET: |
| 7507 | dtmprintk(ioc, pr_info(MPT3SAS_FMT |
| 7508 | "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__)); |
| 7509 | if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) { |
| 7510 | ioc->scsih_cmds.status |= MPT3_CMD_RESET; |
| 7511 | mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid); |
| 7512 | complete(&ioc->scsih_cmds.done); |
| 7513 | } |
| 7514 | if (ioc->tm_cmds.status & MPT3_CMD_PENDING) { |
| 7515 | ioc->tm_cmds.status |= MPT3_CMD_RESET; |
| 7516 | mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid); |
| 7517 | complete(&ioc->tm_cmds.done); |
| 7518 | } |
| 7519 | |
| 7520 | _scsih_fw_event_cleanup_queue(ioc); |
| 7521 | _scsih_flush_running_cmds(ioc); |
| 7522 | break; |
| 7523 | case MPT3_IOC_DONE_RESET: |
| 7524 | dtmprintk(ioc, pr_info(MPT3SAS_FMT |
| 7525 | "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__)); |
| 7526 | if ((!ioc->is_driver_loading) && !(disable_discovery > 0 && |
| 7527 | !ioc->sas_hba.num_phys)) { |
| 7528 | _scsih_prep_device_scan(ioc); |
| 7529 | _scsih_search_responding_sas_devices(ioc); |
| 7530 | _scsih_search_responding_raid_devices(ioc); |
| 7531 | _scsih_search_responding_expanders(ioc); |
| 7532 | _scsih_error_recovery_delete_devices(ioc); |
| 7533 | } |
| 7534 | break; |
| 7535 | } |
| 7536 | } |
| 7537 | |
| 7538 | /** |
| 7539 | * _mpt3sas_fw_work - delayed task for processing firmware events |
| 7540 | * @ioc: per adapter object |
| 7541 | * @fw_event: The fw_event_work object |
| 7542 | * Context: user. |
| 7543 | * |
| 7544 | * Return nothing. |
| 7545 | */ |
| 7546 | static void |
| 7547 | _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) |
| 7548 | { |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7549 | _scsih_fw_event_del_from_list(ioc, fw_event); |
| 7550 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7551 | /* the queue is being flushed so ignore this event */ |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7552 | if (ioc->remove_host || ioc->pci_error_recovery) { |
| 7553 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7554 | return; |
| 7555 | } |
| 7556 | |
| 7557 | switch (fw_event->event) { |
| 7558 | case MPT3SAS_PROCESS_TRIGGER_DIAG: |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 7559 | mpt3sas_process_trigger_data(ioc, |
| 7560 | (struct SL_WH_TRIGGERS_EVENT_DATA_T *) |
| 7561 | fw_event->event_data); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7562 | break; |
| 7563 | case MPT3SAS_REMOVE_UNRESPONDING_DEVICES: |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7564 | while (scsi_host_in_recovery(ioc->shost) || |
| 7565 | ioc->shost_recovery) { |
| 7566 | /* |
| 7567 | * If we're unloading, bail. Otherwise, this can become |
| 7568 | * an infinite loop. |
| 7569 | */ |
| 7570 | if (ioc->remove_host) |
| 7571 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7572 | ssleep(1); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7573 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7574 | _scsih_remove_unresponding_sas_devices(ioc); |
| 7575 | _scsih_scan_for_devices_after_reset(ioc); |
| 7576 | break; |
| 7577 | case MPT3SAS_PORT_ENABLE_COMPLETE: |
| 7578 | ioc->start_scan = 0; |
| 7579 | if (missing_delay[0] != -1 && missing_delay[1] != -1) |
| 7580 | mpt3sas_base_update_missing_delay(ioc, missing_delay[0], |
| 7581 | missing_delay[1]); |
| 7582 | dewtprintk(ioc, pr_info(MPT3SAS_FMT |
| 7583 | "port enable: complete from worker thread\n", |
| 7584 | ioc->name)); |
| 7585 | break; |
Sreekanth Reddy | 0f624c3 | 2014-09-12 15:35:26 +0530 | [diff] [blame] | 7586 | case MPT3SAS_TURN_ON_PFA_LED: |
| 7587 | _scsih_turn_on_pfa_led(ioc, fw_event->device_handle); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7588 | break; |
| 7589 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| 7590 | _scsih_sas_topology_change_event(ioc, fw_event); |
| 7591 | break; |
| 7592 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| 7593 | _scsih_sas_device_status_change_event(ioc, fw_event); |
| 7594 | break; |
| 7595 | case MPI2_EVENT_SAS_DISCOVERY: |
| 7596 | _scsih_sas_discovery_event(ioc, fw_event); |
| 7597 | break; |
| 7598 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| 7599 | _scsih_sas_broadcast_primitive_event(ioc, fw_event); |
| 7600 | break; |
| 7601 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| 7602 | _scsih_sas_enclosure_dev_status_change_event(ioc, |
| 7603 | fw_event); |
| 7604 | break; |
| 7605 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
| 7606 | _scsih_sas_ir_config_change_event(ioc, fw_event); |
| 7607 | break; |
| 7608 | case MPI2_EVENT_IR_VOLUME: |
| 7609 | _scsih_sas_ir_volume_event(ioc, fw_event); |
| 7610 | break; |
| 7611 | case MPI2_EVENT_IR_PHYSICAL_DISK: |
| 7612 | _scsih_sas_ir_physical_disk_event(ioc, fw_event); |
| 7613 | break; |
| 7614 | case MPI2_EVENT_IR_OPERATION_STATUS: |
| 7615 | _scsih_sas_ir_operation_status_event(ioc, fw_event); |
| 7616 | break; |
| 7617 | } |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7618 | out: |
| 7619 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7620 | } |
| 7621 | |
| 7622 | /** |
| 7623 | * _firmware_event_work |
| 7624 | * @ioc: per adapter object |
| 7625 | * @work: The fw_event_work object |
| 7626 | * Context: user. |
| 7627 | * |
| 7628 | * wrappers for the work thread handling firmware events |
| 7629 | * |
| 7630 | * Return nothing. |
| 7631 | */ |
| 7632 | |
| 7633 | static void |
| 7634 | _firmware_event_work(struct work_struct *work) |
| 7635 | { |
| 7636 | struct fw_event_work *fw_event = container_of(work, |
| 7637 | struct fw_event_work, work); |
| 7638 | |
| 7639 | _mpt3sas_fw_work(fw_event->ioc, fw_event); |
| 7640 | } |
| 7641 | |
| 7642 | /** |
| 7643 | * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time) |
| 7644 | * @ioc: per adapter object |
| 7645 | * @msix_index: MSIX table index supplied by the OS |
| 7646 | * @reply: reply message frame(lower 32bit addr) |
| 7647 | * Context: interrupt. |
| 7648 | * |
| 7649 | * This function merely adds a new work task into ioc->firmware_event_thread. |
| 7650 | * The tasks are worked from _firmware_event_work in user context. |
| 7651 | * |
| 7652 | * Return 1 meaning mf should be freed from _base_interrupt |
| 7653 | * 0 means the mf is freed from this function. |
| 7654 | */ |
| 7655 | u8 |
| 7656 | mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, |
| 7657 | u32 reply) |
| 7658 | { |
| 7659 | struct fw_event_work *fw_event; |
| 7660 | Mpi2EventNotificationReply_t *mpi_reply; |
| 7661 | u16 event; |
| 7662 | u16 sz; |
| 7663 | |
| 7664 | /* events turned off due to host reset or driver unloading */ |
| 7665 | if (ioc->remove_host || ioc->pci_error_recovery) |
| 7666 | return 1; |
| 7667 | |
| 7668 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 7669 | |
| 7670 | if (unlikely(!mpi_reply)) { |
| 7671 | pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n", |
| 7672 | ioc->name, __FILE__, __LINE__, __func__); |
| 7673 | return 1; |
| 7674 | } |
| 7675 | |
| 7676 | event = le16_to_cpu(mpi_reply->Event); |
| 7677 | |
| 7678 | if (event != MPI2_EVENT_LOG_ENTRY_ADDED) |
| 7679 | mpt3sas_trigger_event(ioc, event, 0); |
| 7680 | |
| 7681 | switch (event) { |
| 7682 | /* handle these */ |
| 7683 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| 7684 | { |
| 7685 | Mpi2EventDataSasBroadcastPrimitive_t *baen_data = |
| 7686 | (Mpi2EventDataSasBroadcastPrimitive_t *) |
| 7687 | mpi_reply->EventData; |
| 7688 | |
| 7689 | if (baen_data->Primitive != |
| 7690 | MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) |
| 7691 | return 1; |
| 7692 | |
| 7693 | if (ioc->broadcast_aen_busy) { |
| 7694 | ioc->broadcast_aen_pending++; |
| 7695 | return 1; |
| 7696 | } else |
| 7697 | ioc->broadcast_aen_busy = 1; |
| 7698 | break; |
| 7699 | } |
| 7700 | |
| 7701 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| 7702 | _scsih_check_topo_delete_events(ioc, |
| 7703 | (Mpi2EventDataSasTopologyChangeList_t *) |
| 7704 | mpi_reply->EventData); |
| 7705 | break; |
| 7706 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
| 7707 | _scsih_check_ir_config_unhide_events(ioc, |
| 7708 | (Mpi2EventDataIrConfigChangeList_t *) |
| 7709 | mpi_reply->EventData); |
| 7710 | break; |
| 7711 | case MPI2_EVENT_IR_VOLUME: |
| 7712 | _scsih_check_volume_delete_events(ioc, |
| 7713 | (Mpi2EventDataIrVolume_t *) |
| 7714 | mpi_reply->EventData); |
| 7715 | break; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 7716 | case MPI2_EVENT_LOG_ENTRY_ADDED: |
| 7717 | { |
| 7718 | Mpi2EventDataLogEntryAdded_t *log_entry; |
| 7719 | u32 *log_code; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7720 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 7721 | if (!ioc->is_warpdrive) |
| 7722 | break; |
| 7723 | |
| 7724 | log_entry = (Mpi2EventDataLogEntryAdded_t *) |
| 7725 | mpi_reply->EventData; |
| 7726 | log_code = (u32 *)log_entry->LogData; |
| 7727 | |
| 7728 | if (le16_to_cpu(log_entry->LogEntryQualifier) |
| 7729 | != MPT2_WARPDRIVE_LOGENTRY) |
| 7730 | break; |
| 7731 | |
| 7732 | switch (le32_to_cpu(*log_code)) { |
| 7733 | case MPT2_WARPDRIVE_LC_SSDT: |
| 7734 | pr_warn(MPT3SAS_FMT "WarpDrive Warning: " |
| 7735 | "IO Throttling has occurred in the WarpDrive " |
| 7736 | "subsystem. Check WarpDrive documentation for " |
| 7737 | "additional details.\n", ioc->name); |
| 7738 | break; |
| 7739 | case MPT2_WARPDRIVE_LC_SSDLW: |
| 7740 | pr_warn(MPT3SAS_FMT "WarpDrive Warning: " |
| 7741 | "Program/Erase Cycles for the WarpDrive subsystem " |
| 7742 | "in degraded range. Check WarpDrive documentation " |
| 7743 | "for additional details.\n", ioc->name); |
| 7744 | break; |
| 7745 | case MPT2_WARPDRIVE_LC_SSDLF: |
| 7746 | pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: " |
| 7747 | "There are no Program/Erase Cycles for the " |
| 7748 | "WarpDrive subsystem. The storage device will be " |
| 7749 | "in read-only mode. Check WarpDrive documentation " |
| 7750 | "for additional details.\n", ioc->name); |
| 7751 | break; |
| 7752 | case MPT2_WARPDRIVE_LC_BRMF: |
| 7753 | pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: " |
| 7754 | "The Backup Rail Monitor has failed on the " |
| 7755 | "WarpDrive subsystem. Check WarpDrive " |
| 7756 | "documentation for additional details.\n", |
| 7757 | ioc->name); |
| 7758 | break; |
| 7759 | } |
| 7760 | |
| 7761 | break; |
| 7762 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7763 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| 7764 | case MPI2_EVENT_IR_OPERATION_STATUS: |
| 7765 | case MPI2_EVENT_SAS_DISCOVERY: |
| 7766 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| 7767 | case MPI2_EVENT_IR_PHYSICAL_DISK: |
| 7768 | break; |
| 7769 | |
Sreekanth Reddy | 2d8ce8c | 2015-01-12 11:38:56 +0530 | [diff] [blame] | 7770 | case MPI2_EVENT_TEMP_THRESHOLD: |
| 7771 | _scsih_temp_threshold_events(ioc, |
| 7772 | (Mpi2EventDataTemperature_t *) |
| 7773 | mpi_reply->EventData); |
| 7774 | break; |
| 7775 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7776 | default: /* ignore the rest */ |
| 7777 | return 1; |
| 7778 | } |
| 7779 | |
Joe Lawrence | 35b6236 | 2014-06-25 17:05:34 -0400 | [diff] [blame] | 7780 | sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7781 | fw_event = alloc_fw_event_work(sz); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7782 | if (!fw_event) { |
| 7783 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 7784 | ioc->name, __FILE__, __LINE__, __func__); |
| 7785 | return 1; |
| 7786 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7787 | |
| 7788 | memcpy(fw_event->event_data, mpi_reply->EventData, sz); |
| 7789 | fw_event->ioc = ioc; |
| 7790 | fw_event->VF_ID = mpi_reply->VF_ID; |
| 7791 | fw_event->VP_ID = mpi_reply->VP_ID; |
| 7792 | fw_event->event = event; |
| 7793 | _scsih_fw_event_add(ioc, fw_event); |
Sreekanth Reddy | 146b16c | 2015-11-11 17:30:31 +0530 | [diff] [blame] | 7794 | fw_event_work_put(fw_event); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7795 | return 1; |
| 7796 | } |
| 7797 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7798 | /** |
| 7799 | * _scsih_expander_node_remove - removing expander device from list. |
| 7800 | * @ioc: per adapter object |
| 7801 | * @sas_expander: the sas_device object |
| 7802 | * Context: Calling function should acquire ioc->sas_node_lock. |
| 7803 | * |
| 7804 | * Removing object and freeing associated memory from the |
| 7805 | * ioc->sas_expander_list. |
| 7806 | * |
| 7807 | * Return nothing. |
| 7808 | */ |
| 7809 | static void |
| 7810 | _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, |
| 7811 | struct _sas_node *sas_expander) |
| 7812 | { |
| 7813 | struct _sas_port *mpt3sas_port, *next; |
| 7814 | |
| 7815 | /* remove sibling ports attached to this expander */ |
| 7816 | list_for_each_entry_safe(mpt3sas_port, next, |
| 7817 | &sas_expander->sas_port_list, port_list) { |
| 7818 | if (ioc->shost_recovery) |
| 7819 | return; |
| 7820 | if (mpt3sas_port->remote_identify.device_type == |
| 7821 | SAS_END_DEVICE) |
| 7822 | mpt3sas_device_remove_by_sas_address(ioc, |
| 7823 | mpt3sas_port->remote_identify.sas_address); |
| 7824 | else if (mpt3sas_port->remote_identify.device_type == |
| 7825 | SAS_EDGE_EXPANDER_DEVICE || |
| 7826 | mpt3sas_port->remote_identify.device_type == |
| 7827 | SAS_FANOUT_EXPANDER_DEVICE) |
| 7828 | mpt3sas_expander_remove(ioc, |
| 7829 | mpt3sas_port->remote_identify.sas_address); |
| 7830 | } |
| 7831 | |
| 7832 | mpt3sas_transport_port_remove(ioc, sas_expander->sas_address, |
| 7833 | sas_expander->sas_address_parent); |
| 7834 | |
| 7835 | pr_info(MPT3SAS_FMT |
| 7836 | "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 7837 | ioc->name, |
| 7838 | sas_expander->handle, (unsigned long long) |
| 7839 | sas_expander->sas_address); |
| 7840 | |
| 7841 | kfree(sas_expander->phy); |
| 7842 | kfree(sas_expander); |
| 7843 | } |
| 7844 | |
| 7845 | /** |
| 7846 | * _scsih_ir_shutdown - IR shutdown notification |
| 7847 | * @ioc: per adapter object |
| 7848 | * |
| 7849 | * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that |
| 7850 | * the host system is shutting down. |
| 7851 | * |
| 7852 | * Return nothing. |
| 7853 | */ |
| 7854 | static void |
| 7855 | _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc) |
| 7856 | { |
| 7857 | Mpi2RaidActionRequest_t *mpi_request; |
| 7858 | Mpi2RaidActionReply_t *mpi_reply; |
| 7859 | u16 smid; |
| 7860 | |
| 7861 | /* is IR firmware build loaded ? */ |
| 7862 | if (!ioc->ir_firmware) |
| 7863 | return; |
| 7864 | |
| 7865 | /* are there any volumes ? */ |
| 7866 | if (list_empty(&ioc->raid_device_list)) |
| 7867 | return; |
| 7868 | |
| 7869 | mutex_lock(&ioc->scsih_cmds.mutex); |
| 7870 | |
| 7871 | if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) { |
| 7872 | pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n", |
| 7873 | ioc->name, __func__); |
| 7874 | goto out; |
| 7875 | } |
| 7876 | ioc->scsih_cmds.status = MPT3_CMD_PENDING; |
| 7877 | |
| 7878 | smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx); |
| 7879 | if (!smid) { |
| 7880 | pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n", |
| 7881 | ioc->name, __func__); |
| 7882 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| 7883 | goto out; |
| 7884 | } |
| 7885 | |
| 7886 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 7887 | ioc->scsih_cmds.smid = smid; |
| 7888 | memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t)); |
| 7889 | |
| 7890 | mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; |
| 7891 | mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; |
| 7892 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 7893 | if (!ioc->hide_ir_msg) |
| 7894 | pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7895 | init_completion(&ioc->scsih_cmds.done); |
| 7896 | mpt3sas_base_put_smid_default(ioc, smid); |
| 7897 | wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); |
| 7898 | |
| 7899 | if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) { |
| 7900 | pr_err(MPT3SAS_FMT "%s: timeout\n", |
| 7901 | ioc->name, __func__); |
| 7902 | goto out; |
| 7903 | } |
| 7904 | |
| 7905 | if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { |
| 7906 | mpi_reply = ioc->scsih_cmds.reply; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 7907 | if (!ioc->hide_ir_msg) |
| 7908 | pr_info(MPT3SAS_FMT "IR shutdown " |
| 7909 | "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 7910 | ioc->name, le16_to_cpu(mpi_reply->IOCStatus), |
| 7911 | le32_to_cpu(mpi_reply->IOCLogInfo)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7912 | } |
| 7913 | |
| 7914 | out: |
| 7915 | ioc->scsih_cmds.status = MPT3_CMD_NOT_USED; |
| 7916 | mutex_unlock(&ioc->scsih_cmds.mutex); |
| 7917 | } |
| 7918 | |
| 7919 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 7920 | * scsih_remove - detach and remove add host |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7921 | * @pdev: PCI device struct |
| 7922 | * |
| 7923 | * Routine called when unloading the driver. |
| 7924 | * Return nothing. |
| 7925 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 7926 | void scsih_remove(struct pci_dev *pdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7927 | { |
| 7928 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 7929 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 7930 | struct _sas_port *mpt3sas_port, *next_port; |
| 7931 | struct _raid_device *raid_device, *next; |
| 7932 | struct MPT3SAS_TARGET *sas_target_priv_data; |
| 7933 | struct workqueue_struct *wq; |
| 7934 | unsigned long flags; |
| 7935 | |
| 7936 | ioc->remove_host = 1; |
| 7937 | _scsih_fw_event_cleanup_queue(ioc); |
| 7938 | |
| 7939 | spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| 7940 | wq = ioc->firmware_event_thread; |
| 7941 | ioc->firmware_event_thread = NULL; |
| 7942 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| 7943 | if (wq) |
| 7944 | destroy_workqueue(wq); |
| 7945 | |
| 7946 | /* release all the volumes */ |
| 7947 | _scsih_ir_shutdown(ioc); |
| 7948 | list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, |
| 7949 | list) { |
| 7950 | if (raid_device->starget) { |
| 7951 | sas_target_priv_data = |
| 7952 | raid_device->starget->hostdata; |
| 7953 | sas_target_priv_data->deleted = 1; |
| 7954 | scsi_remove_target(&raid_device->starget->dev); |
| 7955 | } |
| 7956 | pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n", |
| 7957 | ioc->name, raid_device->handle, |
| 7958 | (unsigned long long) raid_device->wwid); |
| 7959 | _scsih_raid_device_remove(ioc, raid_device); |
| 7960 | } |
| 7961 | |
| 7962 | /* free ports attached to the sas_host */ |
| 7963 | list_for_each_entry_safe(mpt3sas_port, next_port, |
| 7964 | &ioc->sas_hba.sas_port_list, port_list) { |
| 7965 | if (mpt3sas_port->remote_identify.device_type == |
| 7966 | SAS_END_DEVICE) |
| 7967 | mpt3sas_device_remove_by_sas_address(ioc, |
| 7968 | mpt3sas_port->remote_identify.sas_address); |
| 7969 | else if (mpt3sas_port->remote_identify.device_type == |
| 7970 | SAS_EDGE_EXPANDER_DEVICE || |
| 7971 | mpt3sas_port->remote_identify.device_type == |
| 7972 | SAS_FANOUT_EXPANDER_DEVICE) |
| 7973 | mpt3sas_expander_remove(ioc, |
| 7974 | mpt3sas_port->remote_identify.sas_address); |
| 7975 | } |
| 7976 | |
| 7977 | /* free phys attached to the sas_host */ |
| 7978 | if (ioc->sas_hba.num_phys) { |
| 7979 | kfree(ioc->sas_hba.phy); |
| 7980 | ioc->sas_hba.phy = NULL; |
| 7981 | ioc->sas_hba.num_phys = 0; |
| 7982 | } |
| 7983 | |
| 7984 | sas_remove_host(shost); |
Reddy, Sreekanth | 4dc06fd | 2014-07-14 12:01:35 +0530 | [diff] [blame] | 7985 | scsi_remove_host(shost); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7986 | mpt3sas_base_detach(ioc); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 7987 | spin_lock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7988 | list_del(&ioc->list); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 7989 | spin_unlock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7990 | scsi_host_put(shost); |
| 7991 | } |
| 7992 | |
| 7993 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 7994 | * scsih_shutdown - routine call during system shutdown |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 7995 | * @pdev: PCI device struct |
| 7996 | * |
| 7997 | * Return nothing. |
| 7998 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 7999 | void |
| 8000 | scsih_shutdown(struct pci_dev *pdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8001 | { |
| 8002 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8003 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8004 | struct workqueue_struct *wq; |
| 8005 | unsigned long flags; |
| 8006 | |
| 8007 | ioc->remove_host = 1; |
| 8008 | _scsih_fw_event_cleanup_queue(ioc); |
| 8009 | |
| 8010 | spin_lock_irqsave(&ioc->fw_event_lock, flags); |
| 8011 | wq = ioc->firmware_event_thread; |
| 8012 | ioc->firmware_event_thread = NULL; |
| 8013 | spin_unlock_irqrestore(&ioc->fw_event_lock, flags); |
| 8014 | if (wq) |
| 8015 | destroy_workqueue(wq); |
| 8016 | |
| 8017 | _scsih_ir_shutdown(ioc); |
| 8018 | mpt3sas_base_detach(ioc); |
| 8019 | } |
| 8020 | |
| 8021 | |
| 8022 | /** |
| 8023 | * _scsih_probe_boot_devices - reports 1st device |
| 8024 | * @ioc: per adapter object |
| 8025 | * |
| 8026 | * If specified in bios page 2, this routine reports the 1st |
| 8027 | * device scsi-ml or sas transport for persistent boot device |
| 8028 | * purposes. Please refer to function _scsih_determine_boot_device() |
| 8029 | */ |
| 8030 | static void |
| 8031 | _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc) |
| 8032 | { |
| 8033 | u8 is_raid; |
| 8034 | void *device; |
| 8035 | struct _sas_device *sas_device; |
| 8036 | struct _raid_device *raid_device; |
| 8037 | u16 handle; |
| 8038 | u64 sas_address_parent; |
| 8039 | u64 sas_address; |
| 8040 | unsigned long flags; |
| 8041 | int rc; |
| 8042 | |
| 8043 | /* no Bios, return immediately */ |
| 8044 | if (!ioc->bios_pg3.BiosVersion) |
| 8045 | return; |
| 8046 | |
| 8047 | device = NULL; |
| 8048 | is_raid = 0; |
| 8049 | if (ioc->req_boot_device.device) { |
| 8050 | device = ioc->req_boot_device.device; |
| 8051 | is_raid = ioc->req_boot_device.is_raid; |
| 8052 | } else if (ioc->req_alt_boot_device.device) { |
| 8053 | device = ioc->req_alt_boot_device.device; |
| 8054 | is_raid = ioc->req_alt_boot_device.is_raid; |
| 8055 | } else if (ioc->current_boot_device.device) { |
| 8056 | device = ioc->current_boot_device.device; |
| 8057 | is_raid = ioc->current_boot_device.is_raid; |
| 8058 | } |
| 8059 | |
| 8060 | if (!device) |
| 8061 | return; |
| 8062 | |
| 8063 | if (is_raid) { |
| 8064 | raid_device = device; |
| 8065 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| 8066 | raid_device->id, 0); |
| 8067 | if (rc) |
| 8068 | _scsih_raid_device_remove(ioc, raid_device); |
| 8069 | } else { |
| 8070 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 8071 | sas_device = device; |
| 8072 | handle = sas_device->handle; |
| 8073 | sas_address_parent = sas_device->sas_address_parent; |
| 8074 | sas_address = sas_device->sas_address; |
| 8075 | list_move_tail(&sas_device->list, &ioc->sas_device_list); |
| 8076 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 8077 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8078 | if (ioc->hide_drives) |
| 8079 | return; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8080 | if (!mpt3sas_transport_port_add(ioc, handle, |
| 8081 | sas_address_parent)) { |
| 8082 | _scsih_sas_device_remove(ioc, sas_device); |
| 8083 | } else if (!sas_device->starget) { |
Sreekanth Reddy | f5edbe7 | 2013-06-29 03:54:51 +0530 | [diff] [blame] | 8084 | if (!ioc->is_driver_loading) { |
| 8085 | mpt3sas_transport_port_remove(ioc, |
| 8086 | sas_address, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8087 | sas_address_parent); |
Sreekanth Reddy | f5edbe7 | 2013-06-29 03:54:51 +0530 | [diff] [blame] | 8088 | _scsih_sas_device_remove(ioc, sas_device); |
| 8089 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8090 | } |
| 8091 | } |
| 8092 | } |
| 8093 | |
| 8094 | /** |
| 8095 | * _scsih_probe_raid - reporting raid volumes to scsi-ml |
| 8096 | * @ioc: per adapter object |
| 8097 | * |
| 8098 | * Called during initial loading of the driver. |
| 8099 | */ |
| 8100 | static void |
| 8101 | _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc) |
| 8102 | { |
| 8103 | struct _raid_device *raid_device, *raid_next; |
| 8104 | int rc; |
| 8105 | |
| 8106 | list_for_each_entry_safe(raid_device, raid_next, |
| 8107 | &ioc->raid_device_list, list) { |
| 8108 | if (raid_device->starget) |
| 8109 | continue; |
| 8110 | rc = scsi_add_device(ioc->shost, RAID_CHANNEL, |
| 8111 | raid_device->id, 0); |
| 8112 | if (rc) |
| 8113 | _scsih_raid_device_remove(ioc, raid_device); |
| 8114 | } |
| 8115 | } |
| 8116 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8117 | static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc) |
| 8118 | { |
| 8119 | struct _sas_device *sas_device = NULL; |
| 8120 | unsigned long flags; |
| 8121 | |
| 8122 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 8123 | if (!list_empty(&ioc->sas_device_init_list)) { |
| 8124 | sas_device = list_first_entry(&ioc->sas_device_init_list, |
| 8125 | struct _sas_device, list); |
| 8126 | sas_device_get(sas_device); |
| 8127 | } |
| 8128 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 8129 | |
| 8130 | return sas_device; |
| 8131 | } |
| 8132 | |
| 8133 | static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc, |
| 8134 | struct _sas_device *sas_device) |
| 8135 | { |
| 8136 | unsigned long flags; |
| 8137 | |
| 8138 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
| 8139 | |
| 8140 | /* |
| 8141 | * Since we dropped the lock during the call to port_add(), we need to |
| 8142 | * be careful here that somebody else didn't move or delete this item |
| 8143 | * while we were busy with other things. |
| 8144 | * |
| 8145 | * If it was on the list, we need a put() for the reference the list |
| 8146 | * had. Either way, we need a get() for the destination list. |
| 8147 | */ |
| 8148 | if (!list_empty(&sas_device->list)) { |
| 8149 | list_del_init(&sas_device->list); |
| 8150 | sas_device_put(sas_device); |
| 8151 | } |
| 8152 | |
| 8153 | sas_device_get(sas_device); |
| 8154 | list_add_tail(&sas_device->list, &ioc->sas_device_list); |
| 8155 | |
| 8156 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 8157 | } |
| 8158 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8159 | /** |
| 8160 | * _scsih_probe_sas - reporting sas devices to sas transport |
| 8161 | * @ioc: per adapter object |
| 8162 | * |
| 8163 | * Called during initial loading of the driver. |
| 8164 | */ |
| 8165 | static void |
| 8166 | _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc) |
| 8167 | { |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8168 | struct _sas_device *sas_device; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8169 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8170 | if (ioc->hide_drives) |
| 8171 | return; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8172 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8173 | while ((sas_device = get_next_sas_device(ioc))) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8174 | if (!mpt3sas_transport_port_add(ioc, sas_device->handle, |
| 8175 | sas_device->sas_address_parent)) { |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8176 | _scsih_sas_device_remove(ioc, sas_device); |
| 8177 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8178 | continue; |
| 8179 | } else if (!sas_device->starget) { |
| 8180 | /* |
| 8181 | * When asyn scanning is enabled, its not possible to |
| 8182 | * remove devices while scanning is turned on due to an |
| 8183 | * oops in scsi_sysfs_add_sdev()->add_device()-> |
| 8184 | * sysfs_addrm_start() |
| 8185 | */ |
Sreekanth Reddy | f5edbe7 | 2013-06-29 03:54:51 +0530 | [diff] [blame] | 8186 | if (!ioc->is_driver_loading) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8187 | mpt3sas_transport_port_remove(ioc, |
| 8188 | sas_device->sas_address, |
| 8189 | sas_device->sas_address_parent); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8190 | _scsih_sas_device_remove(ioc, sas_device); |
| 8191 | sas_device_put(sas_device); |
Sreekanth Reddy | f5edbe7 | 2013-06-29 03:54:51 +0530 | [diff] [blame] | 8192 | continue; |
| 8193 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8194 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 8195 | sas_device_make_active(ioc, sas_device); |
| 8196 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8197 | } |
| 8198 | } |
| 8199 | |
| 8200 | /** |
| 8201 | * _scsih_probe_devices - probing for devices |
| 8202 | * @ioc: per adapter object |
| 8203 | * |
| 8204 | * Called during initial loading of the driver. |
| 8205 | */ |
| 8206 | static void |
| 8207 | _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc) |
| 8208 | { |
| 8209 | u16 volume_mapping_flags; |
| 8210 | |
| 8211 | if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) |
| 8212 | return; /* return when IOC doesn't support initiator mode */ |
| 8213 | |
| 8214 | _scsih_probe_boot_devices(ioc); |
| 8215 | |
| 8216 | if (ioc->ir_firmware) { |
| 8217 | volume_mapping_flags = |
| 8218 | le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & |
| 8219 | MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; |
| 8220 | if (volume_mapping_flags == |
| 8221 | MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { |
| 8222 | _scsih_probe_raid(ioc); |
| 8223 | _scsih_probe_sas(ioc); |
| 8224 | } else { |
| 8225 | _scsih_probe_sas(ioc); |
| 8226 | _scsih_probe_raid(ioc); |
| 8227 | } |
| 8228 | } else |
| 8229 | _scsih_probe_sas(ioc); |
| 8230 | } |
| 8231 | |
| 8232 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8233 | * scsih_scan_start - scsi lld callback for .scan_start |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8234 | * @shost: SCSI host pointer |
| 8235 | * |
| 8236 | * The shost has the ability to discover targets on its own instead |
| 8237 | * of scanning the entire bus. In our implemention, we will kick off |
| 8238 | * firmware discovery. |
| 8239 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8240 | void |
| 8241 | scsih_scan_start(struct Scsi_Host *shost) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8242 | { |
| 8243 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8244 | int rc; |
| 8245 | if (diag_buffer_enable != -1 && diag_buffer_enable != 0) |
| 8246 | mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable); |
| 8247 | |
| 8248 | if (disable_discovery > 0) |
| 8249 | return; |
| 8250 | |
| 8251 | ioc->start_scan = 1; |
| 8252 | rc = mpt3sas_port_enable(ioc); |
| 8253 | |
| 8254 | if (rc != 0) |
| 8255 | pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name); |
| 8256 | } |
| 8257 | |
| 8258 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8259 | * scsih_scan_finished - scsi lld callback for .scan_finished |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8260 | * @shost: SCSI host pointer |
| 8261 | * @time: elapsed time of the scan in jiffies |
| 8262 | * |
| 8263 | * This function will be called periodicallyn until it returns 1 with the |
| 8264 | * scsi_host and the elapsed time of the scan in jiffies. In our implemention, |
| 8265 | * we wait for firmware discovery to complete, then return 1. |
| 8266 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8267 | int |
| 8268 | scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8269 | { |
| 8270 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8271 | |
| 8272 | if (disable_discovery > 0) { |
| 8273 | ioc->is_driver_loading = 0; |
| 8274 | ioc->wait_for_discovery_to_complete = 0; |
| 8275 | return 1; |
| 8276 | } |
| 8277 | |
| 8278 | if (time >= (300 * HZ)) { |
| 8279 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; |
| 8280 | pr_info(MPT3SAS_FMT |
| 8281 | "port enable: FAILED with timeout (timeout=300s)\n", |
| 8282 | ioc->name); |
| 8283 | ioc->is_driver_loading = 0; |
| 8284 | return 1; |
| 8285 | } |
| 8286 | |
| 8287 | if (ioc->start_scan) |
| 8288 | return 0; |
| 8289 | |
| 8290 | if (ioc->start_scan_failed) { |
| 8291 | pr_info(MPT3SAS_FMT |
| 8292 | "port enable: FAILED with (ioc_status=0x%08x)\n", |
| 8293 | ioc->name, ioc->start_scan_failed); |
| 8294 | ioc->is_driver_loading = 0; |
| 8295 | ioc->wait_for_discovery_to_complete = 0; |
| 8296 | ioc->remove_host = 1; |
| 8297 | return 1; |
| 8298 | } |
| 8299 | |
| 8300 | pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name); |
| 8301 | ioc->base_cmds.status = MPT3_CMD_NOT_USED; |
| 8302 | |
| 8303 | if (ioc->wait_for_discovery_to_complete) { |
| 8304 | ioc->wait_for_discovery_to_complete = 0; |
| 8305 | _scsih_probe_devices(ioc); |
| 8306 | } |
| 8307 | mpt3sas_base_start_watchdog(ioc); |
| 8308 | ioc->is_driver_loading = 0; |
| 8309 | return 1; |
| 8310 | } |
| 8311 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8312 | /* shost template for SAS 2.0 HBA devices */ |
| 8313 | static struct scsi_host_template mpt2sas_driver_template = { |
| 8314 | .module = THIS_MODULE, |
| 8315 | .name = "Fusion MPT SAS Host", |
| 8316 | .proc_name = MPT2SAS_DRIVER_NAME, |
| 8317 | .queuecommand = scsih_qcmd, |
| 8318 | .target_alloc = scsih_target_alloc, |
| 8319 | .slave_alloc = scsih_slave_alloc, |
| 8320 | .slave_configure = scsih_slave_configure, |
| 8321 | .target_destroy = scsih_target_destroy, |
| 8322 | .slave_destroy = scsih_slave_destroy, |
| 8323 | .scan_finished = scsih_scan_finished, |
| 8324 | .scan_start = scsih_scan_start, |
| 8325 | .change_queue_depth = scsih_change_queue_depth, |
| 8326 | .eh_abort_handler = scsih_abort, |
| 8327 | .eh_device_reset_handler = scsih_dev_reset, |
| 8328 | .eh_target_reset_handler = scsih_target_reset, |
| 8329 | .eh_host_reset_handler = scsih_host_reset, |
| 8330 | .bios_param = scsih_bios_param, |
| 8331 | .can_queue = 1, |
| 8332 | .this_id = -1, |
| 8333 | .sg_tablesize = MPT2SAS_SG_DEPTH, |
| 8334 | .max_sectors = 32767, |
| 8335 | .cmd_per_lun = 7, |
| 8336 | .use_clustering = ENABLE_CLUSTERING, |
| 8337 | .shost_attrs = mpt3sas_host_attrs, |
| 8338 | .sdev_attrs = mpt3sas_dev_attrs, |
| 8339 | .track_queue_depth = 1, |
| 8340 | }; |
Sreekanth Reddy | d357e84 | 2015-11-11 17:30:22 +0530 | [diff] [blame] | 8341 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8342 | /* raid transport support for SAS 2.0 HBA devices */ |
| 8343 | static struct raid_function_template mpt2sas_raid_functions = { |
| 8344 | .cookie = &mpt2sas_driver_template, |
| 8345 | .is_raid = scsih_is_raid, |
| 8346 | .get_resync = scsih_get_resync, |
| 8347 | .get_state = scsih_get_state, |
| 8348 | }; |
| 8349 | |
| 8350 | /* shost template for SAS 3.0 HBA devices */ |
| 8351 | static struct scsi_host_template mpt3sas_driver_template = { |
| 8352 | .module = THIS_MODULE, |
| 8353 | .name = "Fusion MPT SAS Host", |
| 8354 | .proc_name = MPT3SAS_DRIVER_NAME, |
| 8355 | .queuecommand = scsih_qcmd, |
| 8356 | .target_alloc = scsih_target_alloc, |
| 8357 | .slave_alloc = scsih_slave_alloc, |
| 8358 | .slave_configure = scsih_slave_configure, |
| 8359 | .target_destroy = scsih_target_destroy, |
| 8360 | .slave_destroy = scsih_slave_destroy, |
| 8361 | .scan_finished = scsih_scan_finished, |
| 8362 | .scan_start = scsih_scan_start, |
| 8363 | .change_queue_depth = scsih_change_queue_depth, |
| 8364 | .eh_abort_handler = scsih_abort, |
| 8365 | .eh_device_reset_handler = scsih_dev_reset, |
| 8366 | .eh_target_reset_handler = scsih_target_reset, |
| 8367 | .eh_host_reset_handler = scsih_host_reset, |
| 8368 | .bios_param = scsih_bios_param, |
| 8369 | .can_queue = 1, |
| 8370 | .this_id = -1, |
| 8371 | .sg_tablesize = MPT3SAS_SG_DEPTH, |
| 8372 | .max_sectors = 32767, |
| 8373 | .cmd_per_lun = 7, |
| 8374 | .use_clustering = ENABLE_CLUSTERING, |
| 8375 | .shost_attrs = mpt3sas_host_attrs, |
| 8376 | .sdev_attrs = mpt3sas_dev_attrs, |
| 8377 | .track_queue_depth = 1, |
| 8378 | }; |
| 8379 | |
| 8380 | /* raid transport support for SAS 3.0 HBA devices */ |
| 8381 | static struct raid_function_template mpt3sas_raid_functions = { |
| 8382 | .cookie = &mpt3sas_driver_template, |
| 8383 | .is_raid = scsih_is_raid, |
| 8384 | .get_resync = scsih_get_resync, |
| 8385 | .get_state = scsih_get_state, |
| 8386 | }; |
| 8387 | |
| 8388 | /** |
| 8389 | * _scsih_determine_hba_mpi_version - determine in which MPI version class |
| 8390 | * this device belongs to. |
| 8391 | * @pdev: PCI device struct |
| 8392 | * |
| 8393 | * return MPI2_VERSION for SAS 2.0 HBA devices, |
| 8394 | * MPI25_VERSION for SAS 3.0 HBA devices. |
| 8395 | */ |
| 8396 | u16 |
| 8397 | _scsih_determine_hba_mpi_version(struct pci_dev *pdev) |
| 8398 | { |
| 8399 | |
| 8400 | switch (pdev->device) { |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8401 | case MPI2_MFGPAGE_DEVID_SSS6200: |
Sreekanth Reddy | d357e84 | 2015-11-11 17:30:22 +0530 | [diff] [blame] | 8402 | case MPI2_MFGPAGE_DEVID_SAS2004: |
| 8403 | case MPI2_MFGPAGE_DEVID_SAS2008: |
| 8404 | case MPI2_MFGPAGE_DEVID_SAS2108_1: |
| 8405 | case MPI2_MFGPAGE_DEVID_SAS2108_2: |
| 8406 | case MPI2_MFGPAGE_DEVID_SAS2108_3: |
| 8407 | case MPI2_MFGPAGE_DEVID_SAS2116_1: |
| 8408 | case MPI2_MFGPAGE_DEVID_SAS2116_2: |
| 8409 | case MPI2_MFGPAGE_DEVID_SAS2208_1: |
| 8410 | case MPI2_MFGPAGE_DEVID_SAS2208_2: |
| 8411 | case MPI2_MFGPAGE_DEVID_SAS2208_3: |
| 8412 | case MPI2_MFGPAGE_DEVID_SAS2208_4: |
| 8413 | case MPI2_MFGPAGE_DEVID_SAS2208_5: |
| 8414 | case MPI2_MFGPAGE_DEVID_SAS2208_6: |
| 8415 | case MPI2_MFGPAGE_DEVID_SAS2308_1: |
| 8416 | case MPI2_MFGPAGE_DEVID_SAS2308_2: |
| 8417 | case MPI2_MFGPAGE_DEVID_SAS2308_3: |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8418 | return MPI2_VERSION; |
Sreekanth Reddy | d357e84 | 2015-11-11 17:30:22 +0530 | [diff] [blame] | 8419 | case MPI25_MFGPAGE_DEVID_SAS3004: |
| 8420 | case MPI25_MFGPAGE_DEVID_SAS3008: |
| 8421 | case MPI25_MFGPAGE_DEVID_SAS3108_1: |
| 8422 | case MPI25_MFGPAGE_DEVID_SAS3108_2: |
| 8423 | case MPI25_MFGPAGE_DEVID_SAS3108_5: |
| 8424 | case MPI25_MFGPAGE_DEVID_SAS3108_6: |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8425 | return MPI25_VERSION; |
Sreekanth Reddy | d357e84 | 2015-11-11 17:30:22 +0530 | [diff] [blame] | 8426 | } |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8427 | return 0; |
Sreekanth Reddy | d357e84 | 2015-11-11 17:30:22 +0530 | [diff] [blame] | 8428 | } |
| 8429 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8430 | /** |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8431 | * _scsih_probe - attach and add scsi host |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8432 | * @pdev: PCI device struct |
| 8433 | * @id: pci device id |
| 8434 | * |
| 8435 | * Returns 0 success, anything else error. |
| 8436 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8437 | int |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8438 | _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8439 | { |
| 8440 | struct MPT3SAS_ADAPTER *ioc; |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8441 | struct Scsi_Host *shost = NULL; |
Sreekanth Reddy | b65f1d4 | 2014-09-12 15:35:33 +0530 | [diff] [blame] | 8442 | int rv; |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8443 | u16 hba_mpi_version; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8444 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8445 | /* Determine in which MPI version class this pci device belongs */ |
| 8446 | hba_mpi_version = _scsih_determine_hba_mpi_version(pdev); |
| 8447 | if (hba_mpi_version == 0) |
| 8448 | return -ENODEV; |
| 8449 | |
| 8450 | /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one, |
| 8451 | * for other generation HBA's return with -ENODEV |
| 8452 | */ |
| 8453 | if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION)) |
| 8454 | return -ENODEV; |
| 8455 | |
| 8456 | /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two, |
| 8457 | * for other generation HBA's return with -ENODEV |
| 8458 | */ |
| 8459 | if ((hbas_to_enumerate == 2) && (hba_mpi_version != MPI25_VERSION)) |
| 8460 | return -ENODEV; |
| 8461 | |
| 8462 | switch (hba_mpi_version) { |
| 8463 | case MPI2_VERSION: |
| 8464 | /* Use mpt2sas driver host template for SAS 2.0 HBA's */ |
| 8465 | shost = scsi_host_alloc(&mpt2sas_driver_template, |
| 8466 | sizeof(struct MPT3SAS_ADAPTER)); |
| 8467 | if (!shost) |
| 8468 | return -ENODEV; |
| 8469 | ioc = shost_priv(shost); |
| 8470 | memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); |
| 8471 | ioc->hba_mpi_version_belonged = hba_mpi_version; |
| 8472 | ioc->id = mpt2_ids++; |
| 8473 | sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME); |
| 8474 | if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) { |
| 8475 | ioc->is_warpdrive = 1; |
| 8476 | ioc->hide_ir_msg = 1; |
| 8477 | } else |
| 8478 | ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; |
| 8479 | break; |
| 8480 | case MPI25_VERSION: |
| 8481 | /* Use mpt3sas driver host template for SAS 3.0 HBA's */ |
| 8482 | shost = scsi_host_alloc(&mpt3sas_driver_template, |
| 8483 | sizeof(struct MPT3SAS_ADAPTER)); |
| 8484 | if (!shost) |
| 8485 | return -ENODEV; |
| 8486 | ioc = shost_priv(shost); |
| 8487 | memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); |
| 8488 | ioc->hba_mpi_version_belonged = hba_mpi_version; |
| 8489 | ioc->id = mpt3_ids++; |
| 8490 | sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME); |
| 8491 | if (pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) |
| 8492 | ioc->msix96_vector = 1; |
| 8493 | break; |
| 8494 | default: |
| 8495 | return -ENODEV; |
| 8496 | } |
| 8497 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8498 | INIT_LIST_HEAD(&ioc->list); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 8499 | spin_lock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8500 | list_add_tail(&ioc->list, &mpt3sas_ioc_list); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 8501 | spin_unlock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8502 | ioc->shost = shost; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8503 | ioc->pdev = pdev; |
| 8504 | ioc->scsi_io_cb_idx = scsi_io_cb_idx; |
| 8505 | ioc->tm_cb_idx = tm_cb_idx; |
| 8506 | ioc->ctl_cb_idx = ctl_cb_idx; |
| 8507 | ioc->base_cb_idx = base_cb_idx; |
| 8508 | ioc->port_enable_cb_idx = port_enable_cb_idx; |
| 8509 | ioc->transport_cb_idx = transport_cb_idx; |
| 8510 | ioc->scsih_cb_idx = scsih_cb_idx; |
| 8511 | ioc->config_cb_idx = config_cb_idx; |
| 8512 | ioc->tm_tr_cb_idx = tm_tr_cb_idx; |
| 8513 | ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; |
| 8514 | ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; |
| 8515 | ioc->logging_level = logging_level; |
| 8516 | ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; |
| 8517 | /* misc semaphores and spin locks */ |
| 8518 | mutex_init(&ioc->reset_in_progress_mutex); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 8519 | /* initializing pci_access_mutex lock */ |
| 8520 | mutex_init(&ioc->pci_access_mutex); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8521 | spin_lock_init(&ioc->ioc_reset_in_progress_lock); |
| 8522 | spin_lock_init(&ioc->scsi_lookup_lock); |
| 8523 | spin_lock_init(&ioc->sas_device_lock); |
| 8524 | spin_lock_init(&ioc->sas_node_lock); |
| 8525 | spin_lock_init(&ioc->fw_event_lock); |
| 8526 | spin_lock_init(&ioc->raid_device_lock); |
| 8527 | spin_lock_init(&ioc->diag_trigger_lock); |
| 8528 | |
| 8529 | INIT_LIST_HEAD(&ioc->sas_device_list); |
| 8530 | INIT_LIST_HEAD(&ioc->sas_device_init_list); |
| 8531 | INIT_LIST_HEAD(&ioc->sas_expander_list); |
| 8532 | INIT_LIST_HEAD(&ioc->fw_event_list); |
| 8533 | INIT_LIST_HEAD(&ioc->raid_device_list); |
| 8534 | INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); |
| 8535 | INIT_LIST_HEAD(&ioc->delayed_tr_list); |
| 8536 | INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); |
Joe Lawrence | cf9bd21a | 2013-08-08 16:45:39 -0400 | [diff] [blame] | 8537 | INIT_LIST_HEAD(&ioc->reply_queue_list); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8538 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8539 | sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id); |
Sreekanth Reddy | d357e84 | 2015-11-11 17:30:22 +0530 | [diff] [blame] | 8540 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8541 | /* init shost parameters */ |
| 8542 | shost->max_cmd_len = 32; |
| 8543 | shost->max_lun = max_lun; |
| 8544 | shost->transportt = mpt3sas_transport_template; |
| 8545 | shost->unique_id = ioc->id; |
| 8546 | |
| 8547 | if (max_sectors != 0xFFFF) { |
| 8548 | if (max_sectors < 64) { |
| 8549 | shost->max_sectors = 64; |
| 8550 | pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ |
| 8551 | "for max_sectors, range is 64 to 32767. Assigning " |
| 8552 | "value of 64.\n", ioc->name, max_sectors); |
| 8553 | } else if (max_sectors > 32767) { |
| 8554 | shost->max_sectors = 32767; |
| 8555 | pr_warn(MPT3SAS_FMT "Invalid value %d passed " \ |
| 8556 | "for max_sectors, range is 64 to 32767. Assigning " |
| 8557 | "default value of 32767.\n", ioc->name, |
| 8558 | max_sectors); |
| 8559 | } else { |
| 8560 | shost->max_sectors = max_sectors & 0xFFFE; |
| 8561 | pr_info(MPT3SAS_FMT |
| 8562 | "The max_sectors value is set to %d\n", |
| 8563 | ioc->name, shost->max_sectors); |
| 8564 | } |
| 8565 | } |
| 8566 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8567 | /* register EEDP capabilities with SCSI layer */ |
| 8568 | if (prot_mask > 0) |
| 8569 | scsi_host_set_prot(shost, prot_mask); |
| 8570 | else |
| 8571 | scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION |
| 8572 | | SHOST_DIF_TYPE2_PROTECTION |
| 8573 | | SHOST_DIF_TYPE3_PROTECTION); |
| 8574 | |
| 8575 | scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); |
| 8576 | |
| 8577 | /* event thread */ |
| 8578 | snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8579 | "fw_event_%s%d", ioc->driver_name, ioc->id); |
Sreekanth Reddy | bdff785 | 2015-06-30 12:25:03 +0530 | [diff] [blame] | 8580 | ioc->firmware_event_thread = alloc_ordered_workqueue( |
| 8581 | ioc->firmware_event_name, WQ_MEM_RECLAIM); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8582 | if (!ioc->firmware_event_thread) { |
| 8583 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 8584 | ioc->name, __FILE__, __LINE__, __func__); |
Sreekanth Reddy | b65f1d4 | 2014-09-12 15:35:33 +0530 | [diff] [blame] | 8585 | rv = -ENODEV; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8586 | goto out_thread_fail; |
| 8587 | } |
| 8588 | |
| 8589 | ioc->is_driver_loading = 1; |
| 8590 | if ((mpt3sas_base_attach(ioc))) { |
| 8591 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 8592 | ioc->name, __FILE__, __LINE__, __func__); |
Sreekanth Reddy | b65f1d4 | 2014-09-12 15:35:33 +0530 | [diff] [blame] | 8593 | rv = -ENODEV; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8594 | goto out_attach_fail; |
| 8595 | } |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8596 | |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8597 | if (ioc->is_warpdrive) { |
| 8598 | if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) |
| 8599 | ioc->hide_drives = 0; |
| 8600 | else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) |
| 8601 | ioc->hide_drives = 1; |
| 8602 | else { |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8603 | if (mpt3sas_get_num_volumes(ioc)) |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8604 | ioc->hide_drives = 1; |
| 8605 | else |
| 8606 | ioc->hide_drives = 0; |
| 8607 | } |
| 8608 | } else |
| 8609 | ioc->hide_drives = 0; |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8610 | |
Sreekanth Reddy | b65f1d4 | 2014-09-12 15:35:33 +0530 | [diff] [blame] | 8611 | rv = scsi_add_host(shost, &pdev->dev); |
| 8612 | if (rv) { |
Reddy, Sreekanth | 4dc06fd | 2014-07-14 12:01:35 +0530 | [diff] [blame] | 8613 | pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", |
| 8614 | ioc->name, __FILE__, __LINE__, __func__); |
Reddy, Sreekanth | 4dc06fd | 2014-07-14 12:01:35 +0530 | [diff] [blame] | 8615 | goto out_add_shost_fail; |
| 8616 | } |
| 8617 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8618 | scsi_scan_host(shost); |
| 8619 | return 0; |
Reddy, Sreekanth | 4dc06fd | 2014-07-14 12:01:35 +0530 | [diff] [blame] | 8620 | out_add_shost_fail: |
| 8621 | mpt3sas_base_detach(ioc); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8622 | out_attach_fail: |
| 8623 | destroy_workqueue(ioc->firmware_event_thread); |
| 8624 | out_thread_fail: |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 8625 | spin_lock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8626 | list_del(&ioc->list); |
Sreekanth Reddy | 08c4d55 | 2015-11-11 17:30:33 +0530 | [diff] [blame] | 8627 | spin_unlock(&gioc_lock); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8628 | scsi_host_put(shost); |
Sreekanth Reddy | b65f1d4 | 2014-09-12 15:35:33 +0530 | [diff] [blame] | 8629 | return rv; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8630 | } |
| 8631 | |
| 8632 | #ifdef CONFIG_PM |
| 8633 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8634 | * scsih_suspend - power management suspend main entry point |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8635 | * @pdev: PCI device struct |
| 8636 | * @state: PM state change to (usually PCI_D3) |
| 8637 | * |
| 8638 | * Returns 0 success, anything else error. |
| 8639 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8640 | int |
| 8641 | scsih_suspend(struct pci_dev *pdev, pm_message_t state) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8642 | { |
| 8643 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8644 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8645 | pci_power_t device_state; |
| 8646 | |
| 8647 | mpt3sas_base_stop_watchdog(ioc); |
| 8648 | flush_scheduled_work(); |
| 8649 | scsi_block_requests(shost); |
| 8650 | device_state = pci_choose_state(pdev, state); |
| 8651 | pr_info(MPT3SAS_FMT |
| 8652 | "pdev=0x%p, slot=%s, entering operating state [D%d]\n", |
| 8653 | ioc->name, pdev, pci_name(pdev), device_state); |
| 8654 | |
| 8655 | pci_save_state(pdev); |
| 8656 | mpt3sas_base_free_resources(ioc); |
| 8657 | pci_set_power_state(pdev, device_state); |
| 8658 | return 0; |
| 8659 | } |
| 8660 | |
| 8661 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8662 | * scsih_resume - power management resume main entry point |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8663 | * @pdev: PCI device struct |
| 8664 | * |
| 8665 | * Returns 0 success, anything else error. |
| 8666 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8667 | int |
| 8668 | scsih_resume(struct pci_dev *pdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8669 | { |
| 8670 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8671 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8672 | pci_power_t device_state = pdev->current_state; |
| 8673 | int r; |
| 8674 | |
| 8675 | pr_info(MPT3SAS_FMT |
| 8676 | "pdev=0x%p, slot=%s, previous operating state [D%d]\n", |
| 8677 | ioc->name, pdev, pci_name(pdev), device_state); |
| 8678 | |
| 8679 | pci_set_power_state(pdev, PCI_D0); |
| 8680 | pci_enable_wake(pdev, PCI_D0, 0); |
| 8681 | pci_restore_state(pdev); |
| 8682 | ioc->pdev = pdev; |
| 8683 | r = mpt3sas_base_map_resources(ioc); |
| 8684 | if (r) |
| 8685 | return r; |
| 8686 | |
| 8687 | mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET); |
| 8688 | scsi_unblock_requests(shost); |
| 8689 | mpt3sas_base_start_watchdog(ioc); |
| 8690 | return 0; |
| 8691 | } |
| 8692 | #endif /* CONFIG_PM */ |
| 8693 | |
| 8694 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8695 | * scsih_pci_error_detected - Called when a PCI error is detected. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8696 | * @pdev: PCI device struct |
| 8697 | * @state: PCI channel state |
| 8698 | * |
| 8699 | * Description: Called when a PCI error is detected. |
| 8700 | * |
| 8701 | * Return value: |
| 8702 | * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT |
| 8703 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8704 | pci_ers_result_t |
| 8705 | scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8706 | { |
| 8707 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8708 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8709 | |
| 8710 | pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n", |
| 8711 | ioc->name, state); |
| 8712 | |
| 8713 | switch (state) { |
| 8714 | case pci_channel_io_normal: |
| 8715 | return PCI_ERS_RESULT_CAN_RECOVER; |
| 8716 | case pci_channel_io_frozen: |
| 8717 | /* Fatal error, prepare for slot reset */ |
| 8718 | ioc->pci_error_recovery = 1; |
| 8719 | scsi_block_requests(ioc->shost); |
| 8720 | mpt3sas_base_stop_watchdog(ioc); |
| 8721 | mpt3sas_base_free_resources(ioc); |
| 8722 | return PCI_ERS_RESULT_NEED_RESET; |
| 8723 | case pci_channel_io_perm_failure: |
| 8724 | /* Permanent error, prepare for device removal */ |
| 8725 | ioc->pci_error_recovery = 1; |
| 8726 | mpt3sas_base_stop_watchdog(ioc); |
| 8727 | _scsih_flush_running_cmds(ioc); |
| 8728 | return PCI_ERS_RESULT_DISCONNECT; |
| 8729 | } |
| 8730 | return PCI_ERS_RESULT_NEED_RESET; |
| 8731 | } |
| 8732 | |
| 8733 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8734 | * scsih_pci_slot_reset - Called when PCI slot has been reset. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8735 | * @pdev: PCI device struct |
| 8736 | * |
| 8737 | * Description: This routine is called by the pci error recovery |
| 8738 | * code after the PCI slot has been reset, just before we |
| 8739 | * should resume normal operations. |
| 8740 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8741 | pci_ers_result_t |
| 8742 | scsih_pci_slot_reset(struct pci_dev *pdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8743 | { |
| 8744 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8745 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8746 | int rc; |
| 8747 | |
| 8748 | pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n", |
| 8749 | ioc->name); |
| 8750 | |
| 8751 | ioc->pci_error_recovery = 0; |
| 8752 | ioc->pdev = pdev; |
| 8753 | pci_restore_state(pdev); |
| 8754 | rc = mpt3sas_base_map_resources(ioc); |
| 8755 | if (rc) |
| 8756 | return PCI_ERS_RESULT_DISCONNECT; |
| 8757 | |
| 8758 | rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 8759 | FORCE_BIG_HAMMER); |
| 8760 | |
| 8761 | pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name, |
| 8762 | (rc == 0) ? "success" : "failed"); |
| 8763 | |
| 8764 | if (!rc) |
| 8765 | return PCI_ERS_RESULT_RECOVERED; |
| 8766 | else |
| 8767 | return PCI_ERS_RESULT_DISCONNECT; |
| 8768 | } |
| 8769 | |
| 8770 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8771 | * scsih_pci_resume() - resume normal ops after PCI reset |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8772 | * @pdev: pointer to PCI device |
| 8773 | * |
| 8774 | * Called when the error recovery driver tells us that its |
| 8775 | * OK to resume normal operation. Use completion to allow |
| 8776 | * halted scsi ops to resume. |
| 8777 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8778 | void |
| 8779 | scsih_pci_resume(struct pci_dev *pdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8780 | { |
| 8781 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8782 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8783 | |
| 8784 | pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name); |
| 8785 | |
| 8786 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 8787 | mpt3sas_base_start_watchdog(ioc); |
| 8788 | scsi_unblock_requests(ioc->shost); |
| 8789 | } |
| 8790 | |
| 8791 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8792 | * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8793 | * @pdev: pointer to PCI device |
| 8794 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8795 | pci_ers_result_t |
| 8796 | scsih_pci_mmio_enabled(struct pci_dev *pdev) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8797 | { |
| 8798 | struct Scsi_Host *shost = pci_get_drvdata(pdev); |
| 8799 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 8800 | |
| 8801 | pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n", |
| 8802 | ioc->name); |
| 8803 | |
| 8804 | /* TODO - dump whatever for debugging purposes */ |
| 8805 | |
| 8806 | /* Request a slot reset. */ |
| 8807 | return PCI_ERS_RESULT_NEED_RESET; |
| 8808 | } |
| 8809 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8810 | /* |
| 8811 | * The pci device ids are defined in mpi/mpi2_cnfg.h. |
| 8812 | */ |
| 8813 | static const struct pci_device_id mpt3sas_pci_table[] = { |
| 8814 | /* Spitfire ~ 2004 */ |
| 8815 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, |
| 8816 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8817 | /* Falcon ~ 2008 */ |
| 8818 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, |
| 8819 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8820 | /* Liberator ~ 2108 */ |
| 8821 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, |
| 8822 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8823 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, |
| 8824 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8825 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, |
| 8826 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8827 | /* Meteor ~ 2116 */ |
| 8828 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, |
| 8829 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8830 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, |
| 8831 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8832 | /* Thunderbolt ~ 2208 */ |
| 8833 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, |
| 8834 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8835 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, |
| 8836 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8837 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, |
| 8838 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8839 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, |
| 8840 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8841 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, |
| 8842 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8843 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, |
| 8844 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8845 | /* Mustang ~ 2308 */ |
| 8846 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, |
| 8847 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8848 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, |
| 8849 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8850 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, |
| 8851 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8852 | /* SSS6200 */ |
| 8853 | { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, |
| 8854 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8855 | /* Fury ~ 3004 and 3008 */ |
| 8856 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, |
| 8857 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8858 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008, |
| 8859 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8860 | /* Invader ~ 3108 */ |
| 8861 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1, |
| 8862 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8863 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2, |
| 8864 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8865 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5, |
| 8866 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8867 | { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6, |
| 8868 | PCI_ANY_ID, PCI_ANY_ID }, |
| 8869 | {0} /* Terminating entry */ |
| 8870 | }; |
| 8871 | MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table); |
| 8872 | |
| 8873 | static struct pci_error_handlers _mpt3sas_err_handler = { |
| 8874 | .error_detected = scsih_pci_error_detected, |
| 8875 | .mmio_enabled = scsih_pci_mmio_enabled, |
| 8876 | .slot_reset = scsih_pci_slot_reset, |
| 8877 | .resume = scsih_pci_resume, |
| 8878 | }; |
| 8879 | |
| 8880 | static struct pci_driver mpt3sas_driver = { |
| 8881 | .name = MPT3SAS_DRIVER_NAME, |
| 8882 | .id_table = mpt3sas_pci_table, |
| 8883 | .probe = _scsih_probe, |
| 8884 | .remove = scsih_remove, |
| 8885 | .shutdown = scsih_shutdown, |
| 8886 | .err_handler = &_mpt3sas_err_handler, |
| 8887 | #ifdef CONFIG_PM |
| 8888 | .suspend = scsih_suspend, |
| 8889 | .resume = scsih_resume, |
| 8890 | #endif |
| 8891 | }; |
| 8892 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8893 | /** |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8894 | * scsih_init - main entry point for this driver. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8895 | * |
| 8896 | * Returns 0 success, anything else error. |
| 8897 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8898 | int |
| 8899 | scsih_init(void) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8900 | { |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8901 | mpt2_ids = 0; |
| 8902 | mpt3_ids = 0; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8903 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8904 | mpt3sas_base_initialize_callback_handler(); |
| 8905 | |
| 8906 | /* queuecommand callback hander */ |
| 8907 | scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done); |
| 8908 | |
| 8909 | /* task managment callback handler */ |
| 8910 | tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done); |
| 8911 | |
| 8912 | /* base internal commands callback handler */ |
| 8913 | base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done); |
| 8914 | port_enable_cb_idx = mpt3sas_base_register_callback_handler( |
| 8915 | mpt3sas_port_enable_done); |
| 8916 | |
| 8917 | /* transport internal commands callback handler */ |
| 8918 | transport_cb_idx = mpt3sas_base_register_callback_handler( |
| 8919 | mpt3sas_transport_done); |
| 8920 | |
| 8921 | /* scsih internal commands callback handler */ |
| 8922 | scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done); |
| 8923 | |
| 8924 | /* configuration page API internal commands callback handler */ |
| 8925 | config_cb_idx = mpt3sas_base_register_callback_handler( |
| 8926 | mpt3sas_config_done); |
| 8927 | |
| 8928 | /* ctl module callback handler */ |
| 8929 | ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done); |
| 8930 | |
| 8931 | tm_tr_cb_idx = mpt3sas_base_register_callback_handler( |
| 8932 | _scsih_tm_tr_complete); |
| 8933 | |
| 8934 | tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler( |
| 8935 | _scsih_tm_volume_tr_complete); |
| 8936 | |
| 8937 | tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler( |
| 8938 | _scsih_sas_control_complete); |
| 8939 | |
Sreekanth Reddy | 7497392a | 2015-11-11 17:30:19 +0530 | [diff] [blame] | 8940 | return 0; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8941 | } |
| 8942 | |
| 8943 | /** |
Sreekanth Reddy | 7497392a | 2015-11-11 17:30:19 +0530 | [diff] [blame] | 8944 | * scsih_exit - exit point for this driver (when it is a module). |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8945 | * |
| 8946 | * Returns 0 success, anything else error. |
| 8947 | */ |
Sreekanth Reddy | 8a7e4c2 | 2015-11-11 17:30:18 +0530 | [diff] [blame] | 8948 | void |
| 8949 | scsih_exit(void) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8950 | { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8951 | |
| 8952 | mpt3sas_base_release_callback_handler(scsi_io_cb_idx); |
| 8953 | mpt3sas_base_release_callback_handler(tm_cb_idx); |
| 8954 | mpt3sas_base_release_callback_handler(base_cb_idx); |
| 8955 | mpt3sas_base_release_callback_handler(port_enable_cb_idx); |
| 8956 | mpt3sas_base_release_callback_handler(transport_cb_idx); |
| 8957 | mpt3sas_base_release_callback_handler(scsih_cb_idx); |
| 8958 | mpt3sas_base_release_callback_handler(config_cb_idx); |
| 8959 | mpt3sas_base_release_callback_handler(ctl_cb_idx); |
| 8960 | |
| 8961 | mpt3sas_base_release_callback_handler(tm_tr_cb_idx); |
| 8962 | mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx); |
| 8963 | mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx); |
| 8964 | |
| 8965 | /* raid transport support */ |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8966 | if (hbas_to_enumerate != 1) |
| 8967 | raid_class_release(mpt3sas_raid_template); |
| 8968 | if (hbas_to_enumerate != 2) |
| 8969 | raid_class_release(mpt2sas_raid_template); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8970 | sas_release_transport(mpt3sas_transport_template); |
| 8971 | } |
Sreekanth Reddy | 7786ab6 | 2015-11-11 17:30:28 +0530 | [diff] [blame] | 8972 | |
Sreekanth Reddy | c84b06a | 2015-11-11 17:30:35 +0530 | [diff] [blame] | 8973 | /** |
| 8974 | * _mpt3sas_init - main entry point for this driver. |
| 8975 | * |
| 8976 | * Returns 0 success, anything else error. |
| 8977 | */ |
| 8978 | static int __init |
| 8979 | _mpt3sas_init(void) |
| 8980 | { |
| 8981 | int error; |
| 8982 | |
| 8983 | pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME, |
| 8984 | MPT3SAS_DRIVER_VERSION); |
| 8985 | |
| 8986 | mpt3sas_transport_template = |
| 8987 | sas_attach_transport(&mpt3sas_transport_functions); |
| 8988 | if (!mpt3sas_transport_template) |
| 8989 | return -ENODEV; |
| 8990 | |
| 8991 | /* No need attach mpt3sas raid functions template |
| 8992 | * if hbas_to_enumarate value is one. |
| 8993 | */ |
| 8994 | if (hbas_to_enumerate != 1) { |
| 8995 | mpt3sas_raid_template = |
| 8996 | raid_class_attach(&mpt3sas_raid_functions); |
| 8997 | if (!mpt3sas_raid_template) { |
| 8998 | sas_release_transport(mpt3sas_transport_template); |
| 8999 | return -ENODEV; |
| 9000 | } |
| 9001 | } |
| 9002 | |
| 9003 | /* No need to attach mpt2sas raid functions template |
| 9004 | * if hbas_to_enumarate value is two |
| 9005 | */ |
| 9006 | if (hbas_to_enumerate != 2) { |
| 9007 | mpt2sas_raid_template = |
| 9008 | raid_class_attach(&mpt2sas_raid_functions); |
| 9009 | if (!mpt2sas_raid_template) { |
| 9010 | sas_release_transport(mpt3sas_transport_template); |
| 9011 | return -ENODEV; |
| 9012 | } |
| 9013 | } |
| 9014 | |
| 9015 | error = scsih_init(); |
| 9016 | if (error) { |
| 9017 | scsih_exit(); |
| 9018 | return error; |
| 9019 | } |
| 9020 | |
| 9021 | mpt3sas_ctl_init(hbas_to_enumerate); |
| 9022 | |
| 9023 | error = pci_register_driver(&mpt3sas_driver); |
| 9024 | if (error) |
| 9025 | scsih_exit(); |
| 9026 | |
| 9027 | return error; |
| 9028 | } |
| 9029 | |
| 9030 | /** |
| 9031 | * _mpt3sas_exit - exit point for this driver (when it is a module). |
| 9032 | * |
| 9033 | */ |
| 9034 | static void __exit |
| 9035 | _mpt3sas_exit(void) |
| 9036 | { |
| 9037 | pr_info("mpt3sas version %s unloading\n", |
| 9038 | MPT3SAS_DRIVER_VERSION); |
| 9039 | |
| 9040 | pci_unregister_driver(&mpt3sas_driver); |
| 9041 | |
| 9042 | mpt3sas_ctl_exit(hbas_to_enumerate); |
| 9043 | |
| 9044 | scsih_exit(); |
| 9045 | } |
| 9046 | |
| 9047 | module_init(_mpt3sas_init); |
| 9048 | module_exit(_mpt3sas_exit); |