Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1 | /* |
| 2 | * This is the Fusion MPT base driver providing common API layer interface |
| 3 | * for access to MPT (Message Passing Technology) firmware. |
| 4 | * |
| 5 | * This code is based on drivers/scsi/mpt2sas/mpt2_base.c |
Sreekanth Reddy | d648d5a | 2013-07-25 11:28:01 +0530 | [diff] [blame] | 6 | * Copyright (C) 2007-2013 LSI Corporation |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 7 | * (mailto:DL-MPTFusionLinux@lsi.com) |
| 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 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 45 | #include <linux/kernel.h> |
| 46 | #include <linux/module.h> |
| 47 | #include <linux/errno.h> |
| 48 | #include <linux/init.h> |
| 49 | #include <linux/slab.h> |
| 50 | #include <linux/types.h> |
| 51 | #include <linux/pci.h> |
| 52 | #include <linux/kdev_t.h> |
| 53 | #include <linux/blkdev.h> |
| 54 | #include <linux/delay.h> |
| 55 | #include <linux/interrupt.h> |
| 56 | #include <linux/dma-mapping.h> |
| 57 | #include <linux/sort.h> |
| 58 | #include <linux/io.h> |
Kashyap, Desai | a8ebd76 | 2009-09-23 17:29:29 +0530 | [diff] [blame] | 59 | #include <linux/time.h> |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 60 | #include <linux/kthread.h> |
Kashyap, Desai | ef7c80c | 2010-04-05 14:20:07 +0530 | [diff] [blame] | 61 | #include <linux/aer.h> |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 62 | |
| 63 | #include "mpt2sas_base.h" |
| 64 | |
| 65 | static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; |
| 66 | |
| 67 | #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 68 | |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 69 | #define MAX_HBA_QUEUE_DEPTH 30000 |
| 70 | #define MAX_CHAIN_DEPTH 100000 |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 71 | static int max_queue_depth = -1; |
| 72 | module_param(max_queue_depth, int, 0); |
| 73 | MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); |
| 74 | |
| 75 | static int max_sgl_entries = -1; |
| 76 | module_param(max_sgl_entries, int, 0); |
| 77 | MODULE_PARM_DESC(max_sgl_entries, " max sg entries "); |
| 78 | |
| 79 | static int msix_disable = -1; |
| 80 | module_param(msix_disable, int, 0); |
| 81 | MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); |
| 82 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 83 | static int mpt2sas_fwfault_debug; |
| 84 | MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " |
| 85 | "and halt firmware - (default=0)"); |
| 86 | |
| 87 | static int disable_discovery = -1; |
| 88 | module_param(disable_discovery, int, 0); |
| 89 | MODULE_PARM_DESC(disable_discovery, " disable discovery "); |
| 90 | |
Kashyap, Desai | fa7f316 | 2009-09-23 17:26:58 +0530 | [diff] [blame] | 91 | /** |
| 92 | * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug. |
| 93 | * |
| 94 | */ |
| 95 | static int |
| 96 | _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) |
| 97 | { |
| 98 | int ret = param_set_int(val, kp); |
| 99 | struct MPT2SAS_ADAPTER *ioc; |
| 100 | |
| 101 | if (ret) |
| 102 | return ret; |
| 103 | |
Kashyap, Desai | e75b9b6 | 2009-12-16 18:52:39 +0530 | [diff] [blame] | 104 | printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); |
Kashyap, Desai | fa7f316 | 2009-09-23 17:26:58 +0530 | [diff] [blame] | 105 | list_for_each_entry(ioc, &mpt2sas_ioc_list, list) |
| 106 | ioc->fwfault_debug = mpt2sas_fwfault_debug; |
| 107 | return 0; |
| 108 | } |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 109 | |
Kashyap, Desai | fa7f316 | 2009-09-23 17:26:58 +0530 | [diff] [blame] | 110 | module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, |
| 111 | param_get_int, &mpt2sas_fwfault_debug, 0644); |
| 112 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 113 | /** |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 114 | * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc |
| 115 | * @arg: input argument, used to derive ioc |
| 116 | * |
| 117 | * Return 0 if controller is removed from pci subsystem. |
| 118 | * Return -1 for other case. |
| 119 | */ |
| 120 | static int mpt2sas_remove_dead_ioc_func(void *arg) |
| 121 | { |
| 122 | struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; |
| 123 | struct pci_dev *pdev; |
| 124 | |
| 125 | if ((ioc == NULL)) |
| 126 | return -1; |
| 127 | |
| 128 | pdev = ioc->pdev; |
| 129 | if ((pdev == NULL)) |
| 130 | return -1; |
Yinghai Lu | 210647a | 2012-02-25 13:54:20 -0800 | [diff] [blame] | 131 | pci_stop_and_remove_bus_device(pdev); |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | |
| 136 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 137 | * _base_fault_reset_work - workq handling ioc fault conditions |
| 138 | * @work: input argument, used to derive ioc |
| 139 | * Context: sleep. |
| 140 | * |
| 141 | * Return nothing. |
| 142 | */ |
| 143 | static void |
| 144 | _base_fault_reset_work(struct work_struct *work) |
| 145 | { |
| 146 | struct MPT2SAS_ADAPTER *ioc = |
| 147 | container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work); |
| 148 | unsigned long flags; |
| 149 | u32 doorbell; |
| 150 | int rc; |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 151 | struct task_struct *p; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 152 | |
| 153 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
Sreekanth Reddy | b4730fb | 2012-12-18 14:45:30 +0100 | [diff] [blame] | 154 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 155 | goto rearm_timer; |
| 156 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
| 157 | |
| 158 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 159 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { |
| 160 | printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", |
| 161 | ioc->name, __func__); |
| 162 | |
Sreekanth Reddy | b4730fb | 2012-12-18 14:45:30 +0100 | [diff] [blame] | 163 | /* It may be possible that EEH recovery can resolve some of |
| 164 | * pci bus failure issues rather removing the dead ioc function |
| 165 | * by considering controller is in a non-operational state. So |
| 166 | * here priority is given to the EEH recovery. If it doesn't |
| 167 | * not resolve this issue, mpt2sas driver will consider this |
| 168 | * controller to non-operational state and remove the dead ioc |
| 169 | * function. |
| 170 | */ |
| 171 | if (ioc->non_operational_loop++ < 5) { |
| 172 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, |
| 173 | flags); |
| 174 | goto rearm_timer; |
| 175 | } |
| 176 | |
nagalakshmi.nandigama@lsi.com | 845a0e4 | 2011-12-01 07:42:04 +0530 | [diff] [blame] | 177 | /* |
| 178 | * Call _scsih_flush_pending_cmds callback so that we flush all |
| 179 | * pending commands back to OS. This call is required to aovid |
| 180 | * deadlock at block layer. Dead IOC will fail to do diag reset, |
| 181 | * and this call is safe since dead ioc will never return any |
| 182 | * command back from HW. |
| 183 | */ |
| 184 | ioc->schedule_dead_ioc_flush_running_cmds(ioc); |
| 185 | /* |
| 186 | * Set remove_host flag early since kernel thread will |
| 187 | * take some time to execute. |
| 188 | */ |
| 189 | ioc->remove_host = 1; |
| 190 | /*Remove the Dead Host */ |
| 191 | p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, |
| 192 | "mpt2sas_dead_ioc_%d", ioc->id); |
| 193 | if (IS_ERR(p)) { |
| 194 | printk(MPT2SAS_ERR_FMT |
| 195 | "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", |
| 196 | ioc->name, __func__); |
| 197 | } else { |
| 198 | printk(MPT2SAS_ERR_FMT |
| 199 | "%s: Running mpt2sas_dead_ioc thread success !!!!\n", |
| 200 | ioc->name, __func__); |
| 201 | } |
| 202 | |
| 203 | return; /* don't rearm timer */ |
| 204 | } |
| 205 | |
Sreekanth Reddy | b4730fb | 2012-12-18 14:45:30 +0100 | [diff] [blame] | 206 | ioc->non_operational_loop = 0; |
| 207 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 208 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
| 209 | rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 210 | FORCE_BIG_HAMMER); |
| 211 | printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name, |
| 212 | __func__, (rc == 0) ? "success" : "failed"); |
| 213 | doorbell = mpt2sas_base_get_iocstate(ioc, 0); |
| 214 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) |
| 215 | mpt2sas_base_fault_info(ioc, doorbell & |
| 216 | MPI2_DOORBELL_DATA_MASK); |
| 217 | } |
| 218 | |
| 219 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
| 220 | rearm_timer: |
| 221 | if (ioc->fault_reset_work_q) |
| 222 | queue_delayed_work(ioc->fault_reset_work_q, |
| 223 | &ioc->fault_reset_work, |
| 224 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); |
| 225 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
| 226 | } |
| 227 | |
Kashyap, Desai | e4750c9 | 2009-08-07 19:37:59 +0530 | [diff] [blame] | 228 | /** |
| 229 | * mpt2sas_base_start_watchdog - start the fault_reset_work_q |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 230 | * @ioc: per adapter object |
Kashyap, Desai | e4750c9 | 2009-08-07 19:37:59 +0530 | [diff] [blame] | 231 | * Context: sleep. |
| 232 | * |
| 233 | * Return nothing. |
| 234 | */ |
| 235 | void |
| 236 | mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc) |
| 237 | { |
| 238 | unsigned long flags; |
| 239 | |
| 240 | if (ioc->fault_reset_work_q) |
| 241 | return; |
| 242 | |
| 243 | /* initialize fault polling */ |
| 244 | INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); |
| 245 | snprintf(ioc->fault_reset_work_q_name, |
| 246 | sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); |
| 247 | ioc->fault_reset_work_q = |
| 248 | create_singlethread_workqueue(ioc->fault_reset_work_q_name); |
| 249 | if (!ioc->fault_reset_work_q) { |
| 250 | printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n", |
| 251 | ioc->name, __func__, __LINE__); |
| 252 | return; |
| 253 | } |
| 254 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
| 255 | if (ioc->fault_reset_work_q) |
| 256 | queue_delayed_work(ioc->fault_reset_work_q, |
| 257 | &ioc->fault_reset_work, |
| 258 | msecs_to_jiffies(FAULT_POLLING_INTERVAL)); |
| 259 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
| 260 | } |
| 261 | |
| 262 | /** |
| 263 | * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 264 | * @ioc: per adapter object |
Kashyap, Desai | e4750c9 | 2009-08-07 19:37:59 +0530 | [diff] [blame] | 265 | * Context: sleep. |
| 266 | * |
| 267 | * Return nothing. |
| 268 | */ |
| 269 | void |
| 270 | mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc) |
| 271 | { |
| 272 | unsigned long flags; |
| 273 | struct workqueue_struct *wq; |
| 274 | |
| 275 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
| 276 | wq = ioc->fault_reset_work_q; |
| 277 | ioc->fault_reset_work_q = NULL; |
| 278 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
| 279 | if (wq) { |
| 280 | if (!cancel_delayed_work(&ioc->fault_reset_work)) |
| 281 | flush_workqueue(wq); |
| 282 | destroy_workqueue(wq); |
| 283 | } |
| 284 | } |
| 285 | |
Kashyap, Desai | fa7f316 | 2009-09-23 17:26:58 +0530 | [diff] [blame] | 286 | /** |
| 287 | * mpt2sas_base_fault_info - verbose translation of firmware FAULT code |
| 288 | * @ioc: per adapter object |
| 289 | * @fault_code: fault code |
| 290 | * |
| 291 | * Return nothing. |
| 292 | */ |
| 293 | void |
| 294 | mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code) |
| 295 | { |
| 296 | printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n", |
| 297 | ioc->name, fault_code); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * mpt2sas_halt_firmware - halt's mpt controller firmware |
| 302 | * @ioc: per adapter object |
| 303 | * |
| 304 | * For debugging timeout related issues. Writing 0xCOFFEE00 |
| 305 | * to the doorbell register will halt controller firmware. With |
| 306 | * the purpose to stop both driver and firmware, the enduser can |
| 307 | * obtain a ring buffer from controller UART. |
| 308 | */ |
| 309 | void |
| 310 | mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc) |
| 311 | { |
| 312 | u32 doorbell; |
| 313 | |
| 314 | if (!ioc->fwfault_debug) |
| 315 | return; |
| 316 | |
| 317 | dump_stack(); |
| 318 | |
| 319 | doorbell = readl(&ioc->chip->Doorbell); |
| 320 | if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) |
| 321 | mpt2sas_base_fault_info(ioc , doorbell); |
| 322 | else { |
| 323 | writel(0xC0FFEE00, &ioc->chip->Doorbell); |
| 324 | printk(MPT2SAS_ERR_FMT "Firmware is halted due to command " |
| 325 | "timeout\n", ioc->name); |
| 326 | } |
| 327 | |
| 328 | panic("panic in %s\n", __func__); |
| 329 | } |
| 330 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 331 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| 332 | /** |
| 333 | * _base_sas_ioc_info - verbose translation of the ioc status |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 334 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 335 | * @mpi_reply: reply mf payload returned from firmware |
| 336 | * @request_hdr: request mf |
| 337 | * |
| 338 | * Return nothing. |
| 339 | */ |
| 340 | static void |
| 341 | _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply, |
| 342 | MPI2RequestHeader_t *request_hdr) |
| 343 | { |
| 344 | u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & |
| 345 | MPI2_IOCSTATUS_MASK; |
| 346 | char *desc = NULL; |
| 347 | u16 frame_sz; |
| 348 | char *func_str = NULL; |
| 349 | |
| 350 | /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */ |
| 351 | if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST || |
| 352 | request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH || |
| 353 | request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION) |
| 354 | return; |
| 355 | |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 356 | if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) |
| 357 | return; |
| 358 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 359 | switch (ioc_status) { |
| 360 | |
| 361 | /**************************************************************************** |
| 362 | * Common IOCStatus values for all replies |
| 363 | ****************************************************************************/ |
| 364 | |
| 365 | case MPI2_IOCSTATUS_INVALID_FUNCTION: |
| 366 | desc = "invalid function"; |
| 367 | break; |
| 368 | case MPI2_IOCSTATUS_BUSY: |
| 369 | desc = "busy"; |
| 370 | break; |
| 371 | case MPI2_IOCSTATUS_INVALID_SGL: |
| 372 | desc = "invalid sgl"; |
| 373 | break; |
| 374 | case MPI2_IOCSTATUS_INTERNAL_ERROR: |
| 375 | desc = "internal error"; |
| 376 | break; |
| 377 | case MPI2_IOCSTATUS_INVALID_VPID: |
| 378 | desc = "invalid vpid"; |
| 379 | break; |
| 380 | case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES: |
| 381 | desc = "insufficient resources"; |
| 382 | break; |
| 383 | case MPI2_IOCSTATUS_INVALID_FIELD: |
| 384 | desc = "invalid field"; |
| 385 | break; |
| 386 | case MPI2_IOCSTATUS_INVALID_STATE: |
| 387 | desc = "invalid state"; |
| 388 | break; |
| 389 | case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED: |
| 390 | desc = "op state not supported"; |
| 391 | break; |
| 392 | |
| 393 | /**************************************************************************** |
| 394 | * Config IOCStatus values |
| 395 | ****************************************************************************/ |
| 396 | |
| 397 | case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION: |
| 398 | desc = "config invalid action"; |
| 399 | break; |
| 400 | case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE: |
| 401 | desc = "config invalid type"; |
| 402 | break; |
| 403 | case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE: |
| 404 | desc = "config invalid page"; |
| 405 | break; |
| 406 | case MPI2_IOCSTATUS_CONFIG_INVALID_DATA: |
| 407 | desc = "config invalid data"; |
| 408 | break; |
| 409 | case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS: |
| 410 | desc = "config no defaults"; |
| 411 | break; |
| 412 | case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT: |
| 413 | desc = "config cant commit"; |
| 414 | break; |
| 415 | |
| 416 | /**************************************************************************** |
| 417 | * SCSI IO Reply |
| 418 | ****************************************************************************/ |
| 419 | |
| 420 | case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR: |
| 421 | case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE: |
| 422 | case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE: |
| 423 | case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN: |
| 424 | case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: |
| 425 | case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR: |
| 426 | case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR: |
| 427 | case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: |
| 428 | case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: |
| 429 | case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED: |
| 430 | case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED: |
| 431 | case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: |
| 432 | break; |
| 433 | |
| 434 | /**************************************************************************** |
| 435 | * For use by SCSI Initiator and SCSI Target end-to-end data protection |
| 436 | ****************************************************************************/ |
| 437 | |
| 438 | case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: |
| 439 | desc = "eedp guard error"; |
| 440 | break; |
| 441 | case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR: |
| 442 | desc = "eedp ref tag error"; |
| 443 | break; |
| 444 | case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR: |
| 445 | desc = "eedp app tag error"; |
| 446 | break; |
| 447 | |
| 448 | /**************************************************************************** |
| 449 | * SCSI Target values |
| 450 | ****************************************************************************/ |
| 451 | |
| 452 | case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX: |
| 453 | desc = "target invalid io index"; |
| 454 | break; |
| 455 | case MPI2_IOCSTATUS_TARGET_ABORTED: |
| 456 | desc = "target aborted"; |
| 457 | break; |
| 458 | case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE: |
| 459 | desc = "target no conn retryable"; |
| 460 | break; |
| 461 | case MPI2_IOCSTATUS_TARGET_NO_CONNECTION: |
| 462 | desc = "target no connection"; |
| 463 | break; |
| 464 | case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH: |
| 465 | desc = "target xfer count mismatch"; |
| 466 | break; |
| 467 | case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR: |
| 468 | desc = "target data offset error"; |
| 469 | break; |
| 470 | case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA: |
| 471 | desc = "target too much write data"; |
| 472 | break; |
| 473 | case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT: |
| 474 | desc = "target iu too short"; |
| 475 | break; |
| 476 | case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT: |
| 477 | desc = "target ack nak timeout"; |
| 478 | break; |
| 479 | case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED: |
| 480 | desc = "target nak received"; |
| 481 | break; |
| 482 | |
| 483 | /**************************************************************************** |
| 484 | * Serial Attached SCSI values |
| 485 | ****************************************************************************/ |
| 486 | |
| 487 | case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED: |
| 488 | desc = "smp request failed"; |
| 489 | break; |
| 490 | case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN: |
| 491 | desc = "smp data overrun"; |
| 492 | break; |
| 493 | |
| 494 | /**************************************************************************** |
| 495 | * Diagnostic Buffer Post / Diagnostic Release values |
| 496 | ****************************************************************************/ |
| 497 | |
| 498 | case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED: |
| 499 | desc = "diagnostic released"; |
| 500 | break; |
| 501 | default: |
| 502 | break; |
| 503 | } |
| 504 | |
| 505 | if (!desc) |
| 506 | return; |
| 507 | |
| 508 | switch (request_hdr->Function) { |
| 509 | case MPI2_FUNCTION_CONFIG: |
| 510 | frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size; |
| 511 | func_str = "config_page"; |
| 512 | break; |
| 513 | case MPI2_FUNCTION_SCSI_TASK_MGMT: |
| 514 | frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t); |
| 515 | func_str = "task_mgmt"; |
| 516 | break; |
| 517 | case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL: |
| 518 | frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t); |
| 519 | func_str = "sas_iounit_ctl"; |
| 520 | break; |
| 521 | case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR: |
| 522 | frame_sz = sizeof(Mpi2SepRequest_t); |
| 523 | func_str = "enclosure"; |
| 524 | break; |
| 525 | case MPI2_FUNCTION_IOC_INIT: |
| 526 | frame_sz = sizeof(Mpi2IOCInitRequest_t); |
| 527 | func_str = "ioc_init"; |
| 528 | break; |
| 529 | case MPI2_FUNCTION_PORT_ENABLE: |
| 530 | frame_sz = sizeof(Mpi2PortEnableRequest_t); |
| 531 | func_str = "port_enable"; |
| 532 | break; |
| 533 | case MPI2_FUNCTION_SMP_PASSTHROUGH: |
| 534 | frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size; |
| 535 | func_str = "smp_passthru"; |
| 536 | break; |
| 537 | default: |
| 538 | frame_sz = 32; |
| 539 | func_str = "unknown"; |
| 540 | break; |
| 541 | } |
| 542 | |
| 543 | printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p)," |
| 544 | " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str); |
| 545 | |
| 546 | _debug_dump_mf(request_hdr, frame_sz/4); |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * _base_display_event_data - verbose translation of firmware asyn events |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 551 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 552 | * @mpi_reply: reply mf payload returned from firmware |
| 553 | * |
| 554 | * Return nothing. |
| 555 | */ |
| 556 | static void |
| 557 | _base_display_event_data(struct MPT2SAS_ADAPTER *ioc, |
| 558 | Mpi2EventNotificationReply_t *mpi_reply) |
| 559 | { |
| 560 | char *desc = NULL; |
| 561 | u16 event; |
| 562 | |
| 563 | if (!(ioc->logging_level & MPT_DEBUG_EVENTS)) |
| 564 | return; |
| 565 | |
| 566 | event = le16_to_cpu(mpi_reply->Event); |
| 567 | |
| 568 | switch (event) { |
| 569 | case MPI2_EVENT_LOG_DATA: |
| 570 | desc = "Log Data"; |
| 571 | break; |
| 572 | case MPI2_EVENT_STATE_CHANGE: |
| 573 | desc = "Status Change"; |
| 574 | break; |
| 575 | case MPI2_EVENT_HARD_RESET_RECEIVED: |
| 576 | desc = "Hard Reset Received"; |
| 577 | break; |
| 578 | case MPI2_EVENT_EVENT_CHANGE: |
| 579 | desc = "Event Change"; |
| 580 | break; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 581 | case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| 582 | desc = "Device Status Change"; |
| 583 | break; |
| 584 | case MPI2_EVENT_IR_OPERATION_STATUS: |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 585 | if (!ioc->hide_ir_msg) |
| 586 | desc = "IR Operation Status"; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 587 | break; |
| 588 | case MPI2_EVENT_SAS_DISCOVERY: |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 589 | { |
| 590 | Mpi2EventDataSasDiscovery_t *event_data = |
| 591 | (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData; |
| 592 | printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name, |
| 593 | (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? |
| 594 | "start" : "stop"); |
| 595 | if (event_data->DiscoveryStatus) |
| 596 | printk("discovery_status(0x%08x)", |
| 597 | le32_to_cpu(event_data->DiscoveryStatus)); |
Julia Lawall | 7968f19 | 2010-08-05 22:19:36 +0200 | [diff] [blame] | 598 | printk("\n"); |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 599 | return; |
| 600 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 601 | case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: |
| 602 | desc = "SAS Broadcast Primitive"; |
| 603 | break; |
| 604 | case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE: |
| 605 | desc = "SAS Init Device Status Change"; |
| 606 | break; |
| 607 | case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW: |
| 608 | desc = "SAS Init Table Overflow"; |
| 609 | break; |
| 610 | case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: |
| 611 | desc = "SAS Topology Change List"; |
| 612 | break; |
| 613 | case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: |
| 614 | desc = "SAS Enclosure Device Status Change"; |
| 615 | break; |
| 616 | case MPI2_EVENT_IR_VOLUME: |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 617 | if (!ioc->hide_ir_msg) |
| 618 | desc = "IR Volume"; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 619 | break; |
| 620 | case MPI2_EVENT_IR_PHYSICAL_DISK: |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 621 | if (!ioc->hide_ir_msg) |
| 622 | desc = "IR Physical Disk"; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 623 | break; |
| 624 | case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 625 | if (!ioc->hide_ir_msg) |
| 626 | desc = "IR Configuration Change List"; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 627 | break; |
| 628 | case MPI2_EVENT_LOG_ENTRY_ADDED: |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 629 | if (!ioc->hide_ir_msg) |
| 630 | desc = "Log Entry Added"; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 631 | break; |
| 632 | } |
| 633 | |
| 634 | if (!desc) |
| 635 | return; |
| 636 | |
| 637 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc); |
| 638 | } |
| 639 | #endif |
| 640 | |
| 641 | /** |
| 642 | * _base_sas_log_info - verbose translation of firmware log info |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 643 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 644 | * @log_info: log info |
| 645 | * |
| 646 | * Return nothing. |
| 647 | */ |
| 648 | static void |
| 649 | _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) |
| 650 | { |
| 651 | union loginfo_type { |
| 652 | u32 loginfo; |
| 653 | struct { |
| 654 | u32 subcode:16; |
| 655 | u32 code:8; |
| 656 | u32 originator:4; |
| 657 | u32 bus_type:4; |
| 658 | } dw; |
| 659 | }; |
| 660 | union loginfo_type sas_loginfo; |
| 661 | char *originator_str = NULL; |
| 662 | |
| 663 | sas_loginfo.loginfo = log_info; |
| 664 | if (sas_loginfo.dw.bus_type != 3 /*SAS*/) |
| 665 | return; |
| 666 | |
Kashyap, Desai | be9e8cd7 | 2009-08-07 19:36:43 +0530 | [diff] [blame] | 667 | /* each nexus loss loginfo */ |
| 668 | if (log_info == 0x31170000) |
| 669 | return; |
| 670 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 671 | /* eat the loginfos associated with task aborts */ |
Sathisha Nanjappa | 714be35 | 2012-03-13 11:59:28 -0700 | [diff] [blame] | 672 | if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 673 | 0x31140000 || log_info == 0x31130000)) |
| 674 | return; |
| 675 | |
| 676 | switch (sas_loginfo.dw.originator) { |
| 677 | case 0: |
| 678 | originator_str = "IOP"; |
| 679 | break; |
| 680 | case 1: |
| 681 | originator_str = "PL"; |
| 682 | break; |
| 683 | case 2: |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 684 | if (!ioc->hide_ir_msg) |
| 685 | originator_str = "IR"; |
| 686 | else |
| 687 | originator_str = "WarpDrive"; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 688 | break; |
| 689 | } |
| 690 | |
| 691 | printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), " |
| 692 | "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info, |
| 693 | originator_str, sas_loginfo.dw.code, |
| 694 | sas_loginfo.dw.subcode); |
| 695 | } |
| 696 | |
| 697 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 698 | * _base_display_reply_info - |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 699 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 700 | * @smid: system request message index |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 701 | * @msix_index: MSIX table index supplied by the OS |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 702 | * @reply: reply message frame(lower 32bit addr) |
| 703 | * |
| 704 | * Return nothing. |
| 705 | */ |
| 706 | static void |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 707 | _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 708 | u32 reply) |
| 709 | { |
| 710 | MPI2DefaultReply_t *mpi_reply; |
| 711 | u16 ioc_status; |
| 712 | |
| 713 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
nagalakshmi.nandigama@lsi.com | 298c794 | 2012-03-20 12:07:17 +0530 | [diff] [blame] | 714 | if (unlikely(!mpi_reply)) { |
| 715 | printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", |
| 716 | ioc->name, __FILE__, __LINE__, __func__); |
| 717 | return; |
| 718 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 719 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus); |
| 720 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| 721 | if ((ioc_status & MPI2_IOCSTATUS_MASK) && |
| 722 | (ioc->logging_level & MPT_DEBUG_REPLY)) { |
| 723 | _base_sas_ioc_info(ioc , mpi_reply, |
| 724 | mpt2sas_base_get_msg_frame(ioc, smid)); |
| 725 | } |
| 726 | #endif |
| 727 | if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) |
| 728 | _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo)); |
| 729 | } |
| 730 | |
| 731 | /** |
| 732 | * mpt2sas_base_done - base internal command completion routine |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 733 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 734 | * @smid: system request message index |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 735 | * @msix_index: MSIX table index supplied by the OS |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 736 | * @reply: reply message frame(lower 32bit addr) |
| 737 | * |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 738 | * Return 1 meaning mf should be freed from _base_interrupt |
| 739 | * 0 means the mf is freed from this function. |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 740 | */ |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 741 | u8 |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 742 | mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
| 743 | u32 reply) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 744 | { |
| 745 | MPI2DefaultReply_t *mpi_reply; |
| 746 | |
| 747 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| 748 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 749 | return 1; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 750 | |
| 751 | if (ioc->base_cmds.status == MPT2_CMD_NOT_USED) |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 752 | return 1; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 753 | |
| 754 | ioc->base_cmds.status |= MPT2_CMD_COMPLETE; |
| 755 | if (mpi_reply) { |
| 756 | ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID; |
| 757 | memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); |
| 758 | } |
| 759 | ioc->base_cmds.status &= ~MPT2_CMD_PENDING; |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 760 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 761 | complete(&ioc->base_cmds.done); |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 762 | return 1; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 763 | } |
| 764 | |
| 765 | /** |
| 766 | * _base_async_event - main callback handler for firmware asyn events |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 767 | * @ioc: per adapter object |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 768 | * @msix_index: MSIX table index supplied by the OS |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 769 | * @reply: reply message frame(lower 32bit addr) |
| 770 | * |
Sreekanth Reddy | 6409a7d | 2013-07-25 11:24:35 +0530 | [diff] [blame] | 771 | * Returns void. |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 772 | */ |
Sreekanth Reddy | 6409a7d | 2013-07-25 11:24:35 +0530 | [diff] [blame] | 773 | static void |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 774 | _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 775 | { |
| 776 | Mpi2EventNotificationReply_t *mpi_reply; |
| 777 | Mpi2EventAckRequest_t *ack_request; |
| 778 | u16 smid; |
| 779 | |
| 780 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| 781 | if (!mpi_reply) |
Sreekanth Reddy | 6409a7d | 2013-07-25 11:24:35 +0530 | [diff] [blame] | 782 | return; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 783 | if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) |
Sreekanth Reddy | 6409a7d | 2013-07-25 11:24:35 +0530 | [diff] [blame] | 784 | return; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 785 | #ifdef CONFIG_SCSI_MPT2SAS_LOGGING |
| 786 | _base_display_event_data(ioc, mpi_reply); |
| 787 | #endif |
| 788 | if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) |
| 789 | goto out; |
| 790 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); |
| 791 | if (!smid) { |
| 792 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| 793 | ioc->name, __func__); |
| 794 | goto out; |
| 795 | } |
| 796 | |
| 797 | ack_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| 798 | memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t)); |
| 799 | ack_request->Function = MPI2_FUNCTION_EVENT_ACK; |
| 800 | ack_request->Event = mpi_reply->Event; |
| 801 | ack_request->EventContext = mpi_reply->EventContext; |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 802 | ack_request->VF_ID = 0; /* TODO */ |
| 803 | ack_request->VP_ID = 0; |
| 804 | mpt2sas_base_put_smid_default(ioc, smid); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 805 | |
| 806 | out: |
| 807 | |
| 808 | /* scsih callback handler */ |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 809 | mpt2sas_scsih_event_callback(ioc, msix_index, reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 810 | |
| 811 | /* ctl callback handler */ |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 812 | mpt2sas_ctl_event_callback(ioc, msix_index, reply); |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 813 | |
Sreekanth Reddy | 6409a7d | 2013-07-25 11:24:35 +0530 | [diff] [blame] | 814 | return; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 815 | } |
| 816 | |
| 817 | /** |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 818 | * _base_get_cb_idx - obtain the callback index |
| 819 | * @ioc: per adapter object |
| 820 | * @smid: system request message index |
| 821 | * |
| 822 | * Return callback index. |
| 823 | */ |
| 824 | static u8 |
| 825 | _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| 826 | { |
| 827 | int i; |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 828 | u8 cb_idx; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 829 | |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 830 | if (smid < ioc->hi_priority_smid) { |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 831 | i = smid - 1; |
| 832 | cb_idx = ioc->scsi_lookup[i].cb_idx; |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 833 | } else if (smid < ioc->internal_smid) { |
| 834 | i = smid - ioc->hi_priority_smid; |
| 835 | cb_idx = ioc->hpr_lookup[i].cb_idx; |
| 836 | } else if (smid <= ioc->hba_queue_depth) { |
| 837 | i = smid - ioc->internal_smid; |
| 838 | cb_idx = ioc->internal_lookup[i].cb_idx; |
| 839 | } else |
| 840 | cb_idx = 0xFF; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 841 | return cb_idx; |
| 842 | } |
| 843 | |
| 844 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 845 | * _base_mask_interrupts - disable interrupts |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 846 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 847 | * |
| 848 | * Disabling ResetIRQ, Reply and Doorbell Interrupts |
| 849 | * |
| 850 | * Return nothing. |
| 851 | */ |
| 852 | static void |
| 853 | _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc) |
| 854 | { |
| 855 | u32 him_register; |
| 856 | |
| 857 | ioc->mask_interrupts = 1; |
| 858 | him_register = readl(&ioc->chip->HostInterruptMask); |
| 859 | him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK; |
| 860 | writel(him_register, &ioc->chip->HostInterruptMask); |
| 861 | readl(&ioc->chip->HostInterruptMask); |
| 862 | } |
| 863 | |
| 864 | /** |
| 865 | * _base_unmask_interrupts - enable interrupts |
Kashyap, Desai | cef7a12 | 2009-09-23 17:27:41 +0530 | [diff] [blame] | 866 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 867 | * |
| 868 | * Enabling only Reply Interrupts |
| 869 | * |
| 870 | * Return nothing. |
| 871 | */ |
| 872 | static void |
| 873 | _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc) |
| 874 | { |
| 875 | u32 him_register; |
| 876 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 877 | him_register = readl(&ioc->chip->HostInterruptMask); |
| 878 | him_register &= ~MPI2_HIM_RIM; |
| 879 | writel(him_register, &ioc->chip->HostInterruptMask); |
| 880 | ioc->mask_interrupts = 0; |
| 881 | } |
| 882 | |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 883 | union reply_descriptor { |
| 884 | u64 word; |
| 885 | struct { |
| 886 | u32 low; |
| 887 | u32 high; |
| 888 | } u; |
| 889 | }; |
| 890 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 891 | /** |
| 892 | * _base_interrupt - MPT adapter (IOC) specific interrupt handler. |
| 893 | * @irq: irq number (not used) |
| 894 | * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure |
| 895 | * @r: pt_regs pointer (not used) |
| 896 | * |
| 897 | * Return IRQ_HANDLE if processed, else IRQ_NONE. |
| 898 | */ |
| 899 | static irqreturn_t |
| 900 | _base_interrupt(int irq, void *bus_id) |
| 901 | { |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 902 | struct adapter_reply_queue *reply_q = bus_id; |
Eric Moore | 03ea111 | 2009-04-21 15:37:57 -0600 | [diff] [blame] | 903 | union reply_descriptor rd; |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 904 | u32 completed_cmds; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 905 | u8 request_desript_type; |
| 906 | u16 smid; |
| 907 | u8 cb_idx; |
| 908 | u32 reply; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 909 | u8 msix_index = reply_q->msix_index; |
| 910 | struct MPT2SAS_ADAPTER *ioc = reply_q->ioc; |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 911 | Mpi2ReplyDescriptorsUnion_t *rpf; |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 912 | u8 rc; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 913 | |
| 914 | if (ioc->mask_interrupts) |
| 915 | return IRQ_NONE; |
| 916 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 917 | if (!atomic_add_unless(&reply_q->busy, 1, 1)) |
| 918 | return IRQ_NONE; |
| 919 | |
| 920 | rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index]; |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 921 | request_desript_type = rpf->Default.ReplyFlags |
| 922 | & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 923 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) { |
| 924 | atomic_dec(&reply_q->busy); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 925 | return IRQ_NONE; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 926 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 927 | |
| 928 | completed_cmds = 0; |
Kashyap, Desai | dd3741d | 2010-11-13 04:31:14 +0530 | [diff] [blame] | 929 | cb_idx = 0xFF; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 930 | do { |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 931 | rd.word = le64_to_cpu(rpf->Words); |
Eric Moore | 03ea111 | 2009-04-21 15:37:57 -0600 | [diff] [blame] | 932 | if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 933 | goto out; |
| 934 | reply = 0; |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 935 | smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 936 | if (request_desript_type == |
| 937 | MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) { |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 938 | reply = le32_to_cpu |
| 939 | (rpf->AddressReply.ReplyFrameAddress); |
Kashyap, Desai | dd3741d | 2010-11-13 04:31:14 +0530 | [diff] [blame] | 940 | if (reply > ioc->reply_dma_max_address || |
| 941 | reply < ioc->reply_dma_min_address) |
| 942 | reply = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 943 | } else if (request_desript_type == |
| 944 | MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER) |
| 945 | goto next; |
| 946 | else if (request_desript_type == |
| 947 | MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) |
| 948 | goto next; |
nagalakshmi.nandigama@lsi.com | 298c794 | 2012-03-20 12:07:17 +0530 | [diff] [blame] | 949 | if (smid) { |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 950 | cb_idx = _base_get_cb_idx(ioc, smid); |
nagalakshmi.nandigama@lsi.com | 298c794 | 2012-03-20 12:07:17 +0530 | [diff] [blame] | 951 | if ((likely(cb_idx < MPT_MAX_CALLBACKS)) |
| 952 | && (likely(mpt_callbacks[cb_idx] != NULL))) { |
| 953 | rc = mpt_callbacks[cb_idx](ioc, smid, |
| 954 | msix_index, reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 955 | if (reply) |
nagalakshmi.nandigama@lsi.com | 298c794 | 2012-03-20 12:07:17 +0530 | [diff] [blame] | 956 | _base_display_reply_info(ioc, smid, |
| 957 | msix_index, reply); |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 958 | if (rc) |
| 959 | mpt2sas_base_free_smid(ioc, smid); |
nagalakshmi.nandigama@lsi.com | 298c794 | 2012-03-20 12:07:17 +0530 | [diff] [blame] | 960 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 961 | } |
| 962 | if (!smid) |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 963 | _base_async_event(ioc, msix_index, reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 964 | |
| 965 | /* reply free queue handling */ |
| 966 | if (reply) { |
| 967 | ioc->reply_free_host_index = |
| 968 | (ioc->reply_free_host_index == |
| 969 | (ioc->reply_free_queue_depth - 1)) ? |
| 970 | 0 : ioc->reply_free_host_index + 1; |
| 971 | ioc->reply_free[ioc->reply_free_host_index] = |
| 972 | cpu_to_le32(reply); |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 973 | wmb(); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 974 | writel(ioc->reply_free_host_index, |
| 975 | &ioc->chip->ReplyFreeHostIndex); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 976 | } |
| 977 | |
| 978 | next: |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 979 | |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 980 | rpf->Words = cpu_to_le64(ULLONG_MAX); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 981 | reply_q->reply_post_host_index = |
| 982 | (reply_q->reply_post_host_index == |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 983 | (ioc->reply_post_queue_depth - 1)) ? 0 : |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 984 | reply_q->reply_post_host_index + 1; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 985 | request_desript_type = |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 986 | reply_q->reply_post_free[reply_q->reply_post_host_index]. |
| 987 | Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 988 | completed_cmds++; |
| 989 | if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) |
| 990 | goto out; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 991 | if (!reply_q->reply_post_host_index) |
| 992 | rpf = reply_q->reply_post_free; |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 993 | else |
| 994 | rpf++; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 995 | } while (1); |
| 996 | |
| 997 | out: |
| 998 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 999 | if (!completed_cmds) { |
| 1000 | atomic_dec(&reply_q->busy); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1001 | return IRQ_NONE; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1002 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1003 | wmb(); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1004 | if (ioc->is_warpdrive) { |
| 1005 | writel(reply_q->reply_post_host_index, |
| 1006 | ioc->reply_post_host_index[msix_index]); |
| 1007 | atomic_dec(&reply_q->busy); |
| 1008 | return IRQ_HANDLED; |
| 1009 | } |
| 1010 | writel(reply_q->reply_post_host_index | (msix_index << |
| 1011 | MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex); |
| 1012 | atomic_dec(&reply_q->busy); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1013 | return IRQ_HANDLED; |
| 1014 | } |
| 1015 | |
| 1016 | /** |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1017 | * _base_is_controller_msix_enabled - is controller support muli-reply queues |
| 1018 | * @ioc: per adapter object |
| 1019 | * |
| 1020 | */ |
| 1021 | static inline int |
| 1022 | _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc) |
| 1023 | { |
| 1024 | return (ioc->facts.IOCCapabilities & |
| 1025 | MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable; |
| 1026 | } |
| 1027 | |
| 1028 | /** |
| 1029 | * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues |
| 1030 | * @ioc: per adapter object |
| 1031 | * Context: ISR conext |
| 1032 | * |
| 1033 | * Called when a Task Management request has completed. We want |
| 1034 | * to flush the other reply queues so all the outstanding IO has been |
| 1035 | * completed back to OS before we process the TM completetion. |
| 1036 | * |
| 1037 | * Return nothing. |
| 1038 | */ |
| 1039 | void |
| 1040 | mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc) |
| 1041 | { |
| 1042 | struct adapter_reply_queue *reply_q; |
| 1043 | |
| 1044 | /* If MSIX capability is turned off |
| 1045 | * then multi-queues are not enabled |
| 1046 | */ |
| 1047 | if (!_base_is_controller_msix_enabled(ioc)) |
| 1048 | return; |
| 1049 | |
| 1050 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
| 1051 | if (ioc->shost_recovery) |
| 1052 | return; |
| 1053 | /* TMs are on msix_index == 0 */ |
| 1054 | if (reply_q->msix_index == 0) |
| 1055 | continue; |
| 1056 | _base_interrupt(reply_q->vector, (void *)reply_q); |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | /** |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1061 | * mpt2sas_base_release_callback_handler - clear interrupt callback handler |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1062 | * @cb_idx: callback index |
| 1063 | * |
| 1064 | * Return nothing. |
| 1065 | */ |
| 1066 | void |
| 1067 | mpt2sas_base_release_callback_handler(u8 cb_idx) |
| 1068 | { |
| 1069 | mpt_callbacks[cb_idx] = NULL; |
| 1070 | } |
| 1071 | |
| 1072 | /** |
| 1073 | * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler |
| 1074 | * @cb_func: callback function |
| 1075 | * |
| 1076 | * Returns cb_func. |
| 1077 | */ |
| 1078 | u8 |
| 1079 | mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func) |
| 1080 | { |
| 1081 | u8 cb_idx; |
| 1082 | |
| 1083 | for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--) |
| 1084 | if (mpt_callbacks[cb_idx] == NULL) |
| 1085 | break; |
| 1086 | |
| 1087 | mpt_callbacks[cb_idx] = cb_func; |
| 1088 | return cb_idx; |
| 1089 | } |
| 1090 | |
| 1091 | /** |
| 1092 | * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler |
| 1093 | * |
| 1094 | * Return nothing. |
| 1095 | */ |
| 1096 | void |
| 1097 | mpt2sas_base_initialize_callback_handler(void) |
| 1098 | { |
| 1099 | u8 cb_idx; |
| 1100 | |
| 1101 | for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++) |
| 1102 | mpt2sas_base_release_callback_handler(cb_idx); |
| 1103 | } |
| 1104 | |
| 1105 | /** |
| 1106 | * mpt2sas_base_build_zero_len_sge - build zero length sg entry |
| 1107 | * @ioc: per adapter object |
| 1108 | * @paddr: virtual address for SGE |
| 1109 | * |
| 1110 | * Create a zero length scatter gather entry to insure the IOCs hardware has |
| 1111 | * something to use if the target device goes brain dead and tries |
| 1112 | * to send data even when none is asked for. |
| 1113 | * |
| 1114 | * Return nothing. |
| 1115 | */ |
| 1116 | void |
| 1117 | mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr) |
| 1118 | { |
| 1119 | u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT | |
| 1120 | MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST | |
| 1121 | MPI2_SGE_FLAGS_SIMPLE_ELEMENT) << |
| 1122 | MPI2_SGE_FLAGS_SHIFT); |
| 1123 | ioc->base_add_sg_single(paddr, flags_length, -1); |
| 1124 | } |
| 1125 | |
| 1126 | /** |
| 1127 | * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr. |
| 1128 | * @paddr: virtual address for SGE |
| 1129 | * @flags_length: SGE flags and data transfer length |
| 1130 | * @dma_addr: Physical address |
| 1131 | * |
| 1132 | * Return nothing. |
| 1133 | */ |
| 1134 | static void |
| 1135 | _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr) |
| 1136 | { |
| 1137 | Mpi2SGESimple32_t *sgel = paddr; |
| 1138 | |
| 1139 | flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING | |
| 1140 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; |
| 1141 | sgel->FlagsLength = cpu_to_le32(flags_length); |
| 1142 | sgel->Address = cpu_to_le32(dma_addr); |
| 1143 | } |
| 1144 | |
| 1145 | |
| 1146 | /** |
| 1147 | * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr. |
| 1148 | * @paddr: virtual address for SGE |
| 1149 | * @flags_length: SGE flags and data transfer length |
| 1150 | * @dma_addr: Physical address |
| 1151 | * |
| 1152 | * Return nothing. |
| 1153 | */ |
| 1154 | static void |
| 1155 | _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr) |
| 1156 | { |
| 1157 | Mpi2SGESimple64_t *sgel = paddr; |
| 1158 | |
| 1159 | flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING | |
| 1160 | MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT; |
| 1161 | sgel->FlagsLength = cpu_to_le32(flags_length); |
| 1162 | sgel->Address = cpu_to_le64(dma_addr); |
| 1163 | } |
| 1164 | |
| 1165 | #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10)) |
| 1166 | |
| 1167 | /** |
| 1168 | * _base_config_dma_addressing - set dma addressing |
| 1169 | * @ioc: per adapter object |
| 1170 | * @pdev: PCI device struct |
| 1171 | * |
| 1172 | * Returns 0 for success, non-zero for failure. |
| 1173 | */ |
| 1174 | static int |
| 1175 | _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev) |
| 1176 | { |
| 1177 | struct sysinfo s; |
| 1178 | char *desc = NULL; |
| 1179 | |
| 1180 | if (sizeof(dma_addr_t) > 4) { |
| 1181 | const uint64_t required_mask = |
| 1182 | dma_get_required_mask(&pdev->dev); |
Yang Hongyang | e930438 | 2009-04-13 14:40:14 -0700 | [diff] [blame] | 1183 | if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev, |
| 1184 | DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev, |
| 1185 | DMA_BIT_MASK(64))) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1186 | ioc->base_add_sg_single = &_base_add_sg_single_64; |
| 1187 | ioc->sge_size = sizeof(Mpi2SGESimple64_t); |
| 1188 | desc = "64"; |
| 1189 | goto out; |
| 1190 | } |
| 1191 | } |
| 1192 | |
Yang Hongyang | e930438 | 2009-04-13 14:40:14 -0700 | [diff] [blame] | 1193 | if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) |
| 1194 | && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1195 | ioc->base_add_sg_single = &_base_add_sg_single_32; |
| 1196 | ioc->sge_size = sizeof(Mpi2SGESimple32_t); |
| 1197 | desc = "32"; |
| 1198 | } else |
| 1199 | return -ENODEV; |
| 1200 | |
| 1201 | out: |
| 1202 | si_meminfo(&s); |
| 1203 | printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, " |
| 1204 | "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram)); |
| 1205 | |
| 1206 | return 0; |
| 1207 | } |
| 1208 | |
| 1209 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1210 | * _base_check_enable_msix - checks MSIX capabable. |
| 1211 | * @ioc: per adapter object |
| 1212 | * |
| 1213 | * Check to see if card is capable of MSIX, and set number |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1214 | * of available msix vectors |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1215 | */ |
| 1216 | static int |
| 1217 | _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) |
| 1218 | { |
| 1219 | int base; |
| 1220 | u16 message_control; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1221 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1222 | |
sreekanth.reddy@lsi.com | 10cce6d | 2012-08-22 16:55:13 +0530 | [diff] [blame] | 1223 | /* Check whether controller SAS2008 B0 controller, |
| 1224 | if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ |
| 1225 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && |
| 1226 | ioc->pdev->revision == 0x01) { |
| 1227 | return -EINVAL; |
| 1228 | } |
| 1229 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1230 | base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); |
| 1231 | if (!base) { |
| 1232 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " |
| 1233 | "supported\n", ioc->name)); |
| 1234 | return -EINVAL; |
| 1235 | } |
| 1236 | |
| 1237 | /* get msix vector count */ |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1238 | /* NUMA_IO not supported for older controllers */ |
| 1239 | if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || |
| 1240 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || |
| 1241 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || |
| 1242 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || |
| 1243 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || |
| 1244 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || |
| 1245 | ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) |
| 1246 | ioc->msix_vector_count = 1; |
| 1247 | else { |
| 1248 | pci_read_config_word(ioc->pdev, base + 2, &message_control); |
| 1249 | ioc->msix_vector_count = (message_control & 0x3FF) + 1; |
| 1250 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1251 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, " |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1252 | "vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); |
| 1253 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1254 | return 0; |
| 1255 | } |
| 1256 | |
| 1257 | /** |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1258 | * _base_free_irq - free irq |
| 1259 | * @ioc: per adapter object |
| 1260 | * |
| 1261 | * Freeing respective reply_queue from the list. |
| 1262 | */ |
| 1263 | static void |
| 1264 | _base_free_irq(struct MPT2SAS_ADAPTER *ioc) |
| 1265 | { |
| 1266 | struct adapter_reply_queue *reply_q, *next; |
| 1267 | |
| 1268 | if (list_empty(&ioc->reply_queue_list)) |
| 1269 | return; |
| 1270 | |
| 1271 | list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) { |
| 1272 | list_del(&reply_q->list); |
| 1273 | synchronize_irq(reply_q->vector); |
| 1274 | free_irq(reply_q->vector, reply_q); |
| 1275 | kfree(reply_q); |
| 1276 | } |
| 1277 | } |
| 1278 | |
| 1279 | /** |
| 1280 | * _base_request_irq - request irq |
| 1281 | * @ioc: per adapter object |
| 1282 | * @index: msix index into vector table |
| 1283 | * @vector: irq vector |
| 1284 | * |
| 1285 | * Inserting respective reply_queue into the list. |
| 1286 | */ |
| 1287 | static int |
| 1288 | _base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector) |
| 1289 | { |
| 1290 | struct adapter_reply_queue *reply_q; |
| 1291 | int r; |
| 1292 | |
| 1293 | reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL); |
| 1294 | if (!reply_q) { |
| 1295 | printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n", |
| 1296 | ioc->name, (int)sizeof(struct adapter_reply_queue)); |
| 1297 | return -ENOMEM; |
| 1298 | } |
| 1299 | reply_q->ioc = ioc; |
| 1300 | reply_q->msix_index = index; |
| 1301 | reply_q->vector = vector; |
| 1302 | atomic_set(&reply_q->busy, 0); |
| 1303 | if (ioc->msix_enable) |
| 1304 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", |
| 1305 | MPT2SAS_DRIVER_NAME, ioc->id, index); |
| 1306 | else |
| 1307 | snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", |
| 1308 | MPT2SAS_DRIVER_NAME, ioc->id); |
| 1309 | r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, |
| 1310 | reply_q); |
| 1311 | if (r) { |
| 1312 | printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n", |
| 1313 | reply_q->name, vector); |
| 1314 | kfree(reply_q); |
| 1315 | return -EBUSY; |
| 1316 | } |
| 1317 | |
| 1318 | INIT_LIST_HEAD(&reply_q->list); |
| 1319 | list_add_tail(&reply_q->list, &ioc->reply_queue_list); |
| 1320 | return 0; |
| 1321 | } |
| 1322 | |
| 1323 | /** |
| 1324 | * _base_assign_reply_queues - assigning msix index for each cpu |
| 1325 | * @ioc: per adapter object |
| 1326 | * |
| 1327 | * The enduser would need to set the affinity via /proc/irq/#/smp_affinity |
| 1328 | * |
| 1329 | * It would nice if we could call irq_set_affinity, however it is not |
| 1330 | * an exported symbol |
| 1331 | */ |
| 1332 | static void |
| 1333 | _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc) |
| 1334 | { |
| 1335 | struct adapter_reply_queue *reply_q; |
| 1336 | int cpu_id; |
| 1337 | int cpu_grouping, loop, grouping, grouping_mod; |
| 1338 | |
| 1339 | if (!_base_is_controller_msix_enabled(ioc)) |
| 1340 | return; |
| 1341 | |
| 1342 | memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz); |
| 1343 | /* when there are more cpus than available msix vectors, |
| 1344 | * then group cpus togeather on same irq |
| 1345 | */ |
| 1346 | if (ioc->cpu_count > ioc->msix_vector_count) { |
| 1347 | grouping = ioc->cpu_count / ioc->msix_vector_count; |
| 1348 | grouping_mod = ioc->cpu_count % ioc->msix_vector_count; |
| 1349 | if (grouping < 2 || (grouping == 2 && !grouping_mod)) |
| 1350 | cpu_grouping = 2; |
| 1351 | else if (grouping < 4 || (grouping == 4 && !grouping_mod)) |
| 1352 | cpu_grouping = 4; |
| 1353 | else if (grouping < 8 || (grouping == 8 && !grouping_mod)) |
| 1354 | cpu_grouping = 8; |
| 1355 | else |
| 1356 | cpu_grouping = 16; |
| 1357 | } else |
| 1358 | cpu_grouping = 0; |
| 1359 | |
| 1360 | loop = 0; |
| 1361 | reply_q = list_entry(ioc->reply_queue_list.next, |
| 1362 | struct adapter_reply_queue, list); |
| 1363 | for_each_online_cpu(cpu_id) { |
| 1364 | if (!cpu_grouping) { |
| 1365 | ioc->cpu_msix_table[cpu_id] = reply_q->msix_index; |
| 1366 | reply_q = list_entry(reply_q->list.next, |
| 1367 | struct adapter_reply_queue, list); |
| 1368 | } else { |
| 1369 | if (loop < cpu_grouping) { |
| 1370 | ioc->cpu_msix_table[cpu_id] = |
| 1371 | reply_q->msix_index; |
| 1372 | loop++; |
| 1373 | } else { |
| 1374 | reply_q = list_entry(reply_q->list.next, |
| 1375 | struct adapter_reply_queue, list); |
| 1376 | ioc->cpu_msix_table[cpu_id] = |
| 1377 | reply_q->msix_index; |
| 1378 | loop = 1; |
| 1379 | } |
| 1380 | } |
| 1381 | } |
| 1382 | } |
| 1383 | |
| 1384 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1385 | * _base_disable_msix - disables msix |
| 1386 | * @ioc: per adapter object |
| 1387 | * |
| 1388 | */ |
| 1389 | static void |
| 1390 | _base_disable_msix(struct MPT2SAS_ADAPTER *ioc) |
| 1391 | { |
| 1392 | if (ioc->msix_enable) { |
| 1393 | pci_disable_msix(ioc->pdev); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1394 | ioc->msix_enable = 0; |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | /** |
| 1399 | * _base_enable_msix - enables msix, failback to io_apic |
| 1400 | * @ioc: per adapter object |
| 1401 | * |
| 1402 | */ |
| 1403 | static int |
| 1404 | _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) |
| 1405 | { |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1406 | struct msix_entry *entries, *a; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1407 | int r; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1408 | int i; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1409 | u8 try_msix = 0; |
| 1410 | |
| 1411 | if (msix_disable == -1 || msix_disable == 0) |
| 1412 | try_msix = 1; |
| 1413 | |
| 1414 | if (!try_msix) |
| 1415 | goto try_ioapic; |
| 1416 | |
| 1417 | if (_base_check_enable_msix(ioc) != 0) |
| 1418 | goto try_ioapic; |
| 1419 | |
Roland Dreier | 2f73b9a | 2011-11-30 16:30:33 -0800 | [diff] [blame] | 1420 | ioc->reply_queue_count = min_t(int, ioc->cpu_count, |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1421 | ioc->msix_vector_count); |
| 1422 | |
| 1423 | entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), |
| 1424 | GFP_KERNEL); |
| 1425 | if (!entries) { |
| 1426 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc " |
| 1427 | "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__, |
| 1428 | __LINE__, __func__)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1429 | goto try_ioapic; |
| 1430 | } |
| 1431 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1432 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) |
| 1433 | a->entry = i; |
| 1434 | |
| 1435 | r = pci_enable_msix(ioc->pdev, entries, ioc->reply_queue_count); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1436 | if (r) { |
| 1437 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix " |
| 1438 | "failed (r=%d) !!!\n", ioc->name, r)); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1439 | kfree(entries); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1440 | goto try_ioapic; |
| 1441 | } |
| 1442 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1443 | ioc->msix_enable = 1; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1444 | for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) { |
| 1445 | r = _base_request_irq(ioc, i, a->vector); |
| 1446 | if (r) { |
| 1447 | _base_free_irq(ioc); |
| 1448 | _base_disable_msix(ioc); |
| 1449 | kfree(entries); |
| 1450 | goto try_ioapic; |
| 1451 | } |
| 1452 | } |
| 1453 | |
| 1454 | kfree(entries); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1455 | return 0; |
| 1456 | |
| 1457 | /* failback to io_apic interrupt routing */ |
| 1458 | try_ioapic: |
| 1459 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1460 | r = _base_request_irq(ioc, 0, ioc->pdev->irq); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1461 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1462 | return r; |
| 1463 | } |
| 1464 | |
| 1465 | /** |
| 1466 | * mpt2sas_base_map_resources - map in controller resources (io/irq/memap) |
| 1467 | * @ioc: per adapter object |
| 1468 | * |
| 1469 | * Returns 0 for success, non-zero for failure. |
| 1470 | */ |
| 1471 | int |
| 1472 | mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) |
| 1473 | { |
| 1474 | struct pci_dev *pdev = ioc->pdev; |
| 1475 | u32 memap_sz; |
| 1476 | u32 pio_sz; |
| 1477 | int i, r = 0; |
Kashyap, Desai | 6846e75 | 2009-12-16 18:51:45 +0530 | [diff] [blame] | 1478 | u64 pio_chip = 0; |
| 1479 | u64 chip_phys = 0; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1480 | struct adapter_reply_queue *reply_q; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1481 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 1482 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1483 | ioc->name, __func__)); |
| 1484 | |
| 1485 | ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM); |
| 1486 | if (pci_enable_device_mem(pdev)) { |
| 1487 | printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " |
| 1488 | "failed\n", ioc->name); |
Joe Lawrence | 3b3e6f8 | 2013-08-08 16:45:38 -0400 | [diff] [blame] | 1489 | ioc->bars = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1490 | return -ENODEV; |
| 1491 | } |
| 1492 | |
| 1493 | |
| 1494 | if (pci_request_selected_regions(pdev, ioc->bars, |
| 1495 | MPT2SAS_DRIVER_NAME)) { |
| 1496 | printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " |
| 1497 | "failed\n", ioc->name); |
Joe Lawrence | 3b3e6f8 | 2013-08-08 16:45:38 -0400 | [diff] [blame] | 1498 | ioc->bars = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1499 | r = -ENODEV; |
| 1500 | goto out_fail; |
| 1501 | } |
| 1502 | |
Kashyap, Desai | ef7c80c | 2010-04-05 14:20:07 +0530 | [diff] [blame] | 1503 | /* AER (Advanced Error Reporting) hooks */ |
| 1504 | pci_enable_pcie_error_reporting(pdev); |
| 1505 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1506 | pci_set_master(pdev); |
| 1507 | |
| 1508 | if (_base_config_dma_addressing(ioc, pdev) != 0) { |
| 1509 | printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n", |
| 1510 | ioc->name, pci_name(pdev)); |
| 1511 | r = -ENODEV; |
| 1512 | goto out_fail; |
| 1513 | } |
| 1514 | |
| 1515 | for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) { |
Richard A Lary | fc19317 | 2010-03-12 15:27:06 -0800 | [diff] [blame] | 1516 | if (pci_resource_flags(pdev, i) & IORESOURCE_IO) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1517 | if (pio_sz) |
| 1518 | continue; |
Kashyap, Desai | 6846e75 | 2009-12-16 18:51:45 +0530 | [diff] [blame] | 1519 | pio_chip = (u64)pci_resource_start(pdev, i); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1520 | pio_sz = pci_resource_len(pdev, i); |
| 1521 | } else { |
| 1522 | if (memap_sz) |
| 1523 | continue; |
Richard A Lary | fc19317 | 2010-03-12 15:27:06 -0800 | [diff] [blame] | 1524 | /* verify memory resource is valid before using */ |
| 1525 | if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) { |
| 1526 | ioc->chip_phys = pci_resource_start(pdev, i); |
| 1527 | chip_phys = (u64)ioc->chip_phys; |
| 1528 | memap_sz = pci_resource_len(pdev, i); |
| 1529 | ioc->chip = ioremap(ioc->chip_phys, memap_sz); |
| 1530 | if (ioc->chip == NULL) { |
| 1531 | printk(MPT2SAS_ERR_FMT "unable to map " |
| 1532 | "adapter memory!\n", ioc->name); |
| 1533 | r = -EINVAL; |
| 1534 | goto out_fail; |
| 1535 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1536 | } |
| 1537 | } |
| 1538 | } |
| 1539 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1540 | _base_mask_interrupts(ioc); |
| 1541 | r = _base_enable_msix(ioc); |
| 1542 | if (r) |
| 1543 | goto out_fail; |
| 1544 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1545 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) |
| 1546 | printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n", |
| 1547 | reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" : |
| 1548 | "IO-APIC enabled"), reply_q->vector); |
| 1549 | |
Kashyap, Desai | 6846e75 | 2009-12-16 18:51:45 +0530 | [diff] [blame] | 1550 | printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n", |
| 1551 | ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz); |
| 1552 | printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n", |
| 1553 | ioc->name, (unsigned long long)pio_chip, pio_sz); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1554 | |
Eric Moore | 3cb5469 | 2010-07-08 14:44:34 -0600 | [diff] [blame] | 1555 | /* Save PCI configuration state for recovery from PCI AER/EEH errors */ |
| 1556 | pci_save_state(pdev); |
| 1557 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1558 | return 0; |
| 1559 | |
| 1560 | out_fail: |
| 1561 | if (ioc->chip_phys) |
| 1562 | iounmap(ioc->chip); |
| 1563 | ioc->chip_phys = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1564 | pci_release_selected_regions(ioc->pdev, ioc->bars); |
Kashyap, Desai | ef7c80c | 2010-04-05 14:20:07 +0530 | [diff] [blame] | 1565 | pci_disable_pcie_error_reporting(pdev); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1566 | pci_disable_device(pdev); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1567 | return r; |
| 1568 | } |
| 1569 | |
| 1570 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1571 | * mpt2sas_base_get_msg_frame - obtain request mf pointer |
| 1572 | * @ioc: per adapter object |
| 1573 | * @smid: system request message index(smid zero is invalid) |
| 1574 | * |
| 1575 | * Returns virt pointer to message frame. |
| 1576 | */ |
| 1577 | void * |
| 1578 | mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| 1579 | { |
| 1580 | return (void *)(ioc->request + (smid * ioc->request_sz)); |
| 1581 | } |
| 1582 | |
| 1583 | /** |
| 1584 | * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request |
| 1585 | * @ioc: per adapter object |
| 1586 | * @smid: system request message index |
| 1587 | * |
| 1588 | * Returns virt pointer to sense buffer. |
| 1589 | */ |
| 1590 | void * |
| 1591 | mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| 1592 | { |
| 1593 | return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); |
| 1594 | } |
| 1595 | |
| 1596 | /** |
| 1597 | * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request |
| 1598 | * @ioc: per adapter object |
| 1599 | * @smid: system request message index |
| 1600 | * |
Kashyap, Desai | ec9472c | 2009-09-23 17:34:13 +0530 | [diff] [blame] | 1601 | * Returns phys pointer to the low 32bit address of the sense buffer. |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1602 | */ |
Kashyap, Desai | ec9472c | 2009-09-23 17:34:13 +0530 | [diff] [blame] | 1603 | __le32 |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1604 | mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| 1605 | { |
Kashyap, Desai | ec9472c | 2009-09-23 17:34:13 +0530 | [diff] [blame] | 1606 | return cpu_to_le32(ioc->sense_dma + |
| 1607 | ((smid - 1) * SCSI_SENSE_BUFFERSIZE)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1608 | } |
| 1609 | |
| 1610 | /** |
| 1611 | * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address |
| 1612 | * @ioc: per adapter object |
| 1613 | * @phys_addr: lower 32 physical addr of the reply |
| 1614 | * |
| 1615 | * Converts 32bit lower physical addr into a virt address. |
| 1616 | */ |
| 1617 | void * |
| 1618 | mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr) |
| 1619 | { |
| 1620 | if (!phys_addr) |
| 1621 | return NULL; |
| 1622 | return ioc->reply + (phys_addr - (u32)ioc->reply_dma); |
| 1623 | } |
| 1624 | |
| 1625 | /** |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1626 | * mpt2sas_base_get_smid - obtain a free smid from internal queue |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1627 | * @ioc: per adapter object |
| 1628 | * @cb_idx: callback index |
| 1629 | * |
| 1630 | * Returns smid (zero is invalid) |
| 1631 | */ |
| 1632 | u16 |
| 1633 | mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) |
| 1634 | { |
| 1635 | unsigned long flags; |
| 1636 | struct request_tracker *request; |
| 1637 | u16 smid; |
| 1638 | |
| 1639 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1640 | if (list_empty(&ioc->internal_free_list)) { |
| 1641 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1642 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", |
| 1643 | ioc->name, __func__); |
| 1644 | return 0; |
| 1645 | } |
| 1646 | |
| 1647 | request = list_entry(ioc->internal_free_list.next, |
| 1648 | struct request_tracker, tracker_list); |
| 1649 | request->cb_idx = cb_idx; |
| 1650 | smid = request->smid; |
| 1651 | list_del(&request->tracker_list); |
| 1652 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1653 | return smid; |
| 1654 | } |
| 1655 | |
| 1656 | /** |
| 1657 | * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue |
| 1658 | * @ioc: per adapter object |
| 1659 | * @cb_idx: callback index |
| 1660 | * @scmd: pointer to scsi command object |
| 1661 | * |
| 1662 | * Returns smid (zero is invalid) |
| 1663 | */ |
| 1664 | u16 |
| 1665 | mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx, |
| 1666 | struct scsi_cmnd *scmd) |
| 1667 | { |
| 1668 | unsigned long flags; |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1669 | struct scsiio_tracker *request; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1670 | u16 smid; |
| 1671 | |
| 1672 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1673 | if (list_empty(&ioc->free_list)) { |
| 1674 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1675 | printk(MPT2SAS_ERR_FMT "%s: smid not available\n", |
| 1676 | ioc->name, __func__); |
| 1677 | return 0; |
| 1678 | } |
| 1679 | |
| 1680 | request = list_entry(ioc->free_list.next, |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1681 | struct scsiio_tracker, tracker_list); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1682 | request->scmd = scmd; |
| 1683 | request->cb_idx = cb_idx; |
| 1684 | smid = request->smid; |
| 1685 | list_del(&request->tracker_list); |
| 1686 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1687 | return smid; |
| 1688 | } |
| 1689 | |
| 1690 | /** |
| 1691 | * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue |
| 1692 | * @ioc: per adapter object |
| 1693 | * @cb_idx: callback index |
| 1694 | * |
| 1695 | * Returns smid (zero is invalid) |
| 1696 | */ |
| 1697 | u16 |
| 1698 | mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx) |
| 1699 | { |
| 1700 | unsigned long flags; |
| 1701 | struct request_tracker *request; |
| 1702 | u16 smid; |
| 1703 | |
| 1704 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 1705 | if (list_empty(&ioc->hpr_free_list)) { |
| 1706 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1707 | return 0; |
| 1708 | } |
| 1709 | |
| 1710 | request = list_entry(ioc->hpr_free_list.next, |
| 1711 | struct request_tracker, tracker_list); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1712 | request->cb_idx = cb_idx; |
| 1713 | smid = request->smid; |
| 1714 | list_del(&request->tracker_list); |
| 1715 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 1716 | return smid; |
| 1717 | } |
| 1718 | |
| 1719 | |
| 1720 | /** |
| 1721 | * mpt2sas_base_free_smid - put smid back on free_list |
| 1722 | * @ioc: per adapter object |
| 1723 | * @smid: system request message index |
| 1724 | * |
| 1725 | * Return nothing. |
| 1726 | */ |
| 1727 | void |
| 1728 | mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
| 1729 | { |
| 1730 | unsigned long flags; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1731 | int i; |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 1732 | struct chain_tracker *chain_req, *next; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1733 | |
| 1734 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1735 | if (smid < ioc->hi_priority_smid) { |
| 1736 | /* scsiio queue */ |
| 1737 | i = smid - 1; |
| 1738 | if (!list_empty(&ioc->scsi_lookup[i].chain_list)) { |
| 1739 | list_for_each_entry_safe(chain_req, next, |
| 1740 | &ioc->scsi_lookup[i].chain_list, tracker_list) { |
| 1741 | list_del_init(&chain_req->tracker_list); |
| 1742 | list_add_tail(&chain_req->tracker_list, |
| 1743 | &ioc->free_chain_list); |
| 1744 | } |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1745 | } |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1746 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
| 1747 | ioc->scsi_lookup[i].scmd = NULL; |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 1748 | ioc->scsi_lookup[i].direct_io = 0; |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1749 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
| 1750 | &ioc->free_list); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1751 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 1752 | |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1753 | /* |
| 1754 | * See _wait_for_commands_to_complete() call with regards |
| 1755 | * to this code. |
| 1756 | */ |
| 1757 | if (ioc->shost_recovery && ioc->pending_io_count) { |
| 1758 | if (ioc->pending_io_count == 1) |
| 1759 | wake_up(&ioc->reset_wq); |
| 1760 | ioc->pending_io_count--; |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 1761 | } |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 1762 | return; |
| 1763 | } else if (smid < ioc->internal_smid) { |
| 1764 | /* hi-priority */ |
| 1765 | i = smid - ioc->hi_priority_smid; |
| 1766 | ioc->hpr_lookup[i].cb_idx = 0xFF; |
| 1767 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, |
| 1768 | &ioc->hpr_free_list); |
| 1769 | } else if (smid <= ioc->hba_queue_depth) { |
| 1770 | /* internal queue */ |
| 1771 | i = smid - ioc->internal_smid; |
| 1772 | ioc->internal_lookup[i].cb_idx = 0xFF; |
| 1773 | list_add_tail(&ioc->internal_lookup[i].tracker_list, |
| 1774 | &ioc->internal_free_list); |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 1775 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1776 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1777 | } |
| 1778 | |
| 1779 | /** |
| 1780 | * _base_writeq - 64 bit write to MMIO |
| 1781 | * @ioc: per adapter object |
| 1782 | * @b: data payload |
| 1783 | * @addr: address in MMIO space |
| 1784 | * @writeq_lock: spin lock |
| 1785 | * |
| 1786 | * Glue for handling an atomic 64 bit word to MMIO. This special handling takes |
| 1787 | * care of 32 bit environment where its not quarenteed to send the entire word |
| 1788 | * in one transfer. |
| 1789 | */ |
| 1790 | #ifndef writeq |
| 1791 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, |
| 1792 | spinlock_t *writeq_lock) |
| 1793 | { |
| 1794 | unsigned long flags; |
| 1795 | __u64 data_out = cpu_to_le64(b); |
| 1796 | |
| 1797 | spin_lock_irqsave(writeq_lock, flags); |
| 1798 | writel((u32)(data_out), addr); |
| 1799 | writel((u32)(data_out >> 32), (addr + 4)); |
| 1800 | spin_unlock_irqrestore(writeq_lock, flags); |
| 1801 | } |
| 1802 | #else |
| 1803 | static inline void _base_writeq(__u64 b, volatile void __iomem *addr, |
| 1804 | spinlock_t *writeq_lock) |
| 1805 | { |
| 1806 | writeq(cpu_to_le64(b), addr); |
| 1807 | } |
| 1808 | #endif |
| 1809 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1810 | static inline u8 |
| 1811 | _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) |
| 1812 | { |
nagalakshmi.nandigama@lsi.com | a2c6585 | 2012-04-17 11:25:04 +0530 | [diff] [blame] | 1813 | return ioc->cpu_msix_table[raw_smp_processor_id()]; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1814 | } |
| 1815 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1816 | /** |
| 1817 | * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware |
| 1818 | * @ioc: per adapter object |
| 1819 | * @smid: system request message index |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1820 | * @handle: device handle |
| 1821 | * |
| 1822 | * Return nothing. |
| 1823 | */ |
| 1824 | void |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 1825 | mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1826 | { |
| 1827 | Mpi2RequestDescriptorUnion_t descriptor; |
| 1828 | u64 *request = (u64 *)&descriptor; |
| 1829 | |
| 1830 | |
| 1831 | descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1832 | descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1833 | descriptor.SCSIIO.SMID = cpu_to_le16(smid); |
| 1834 | descriptor.SCSIIO.DevHandle = cpu_to_le16(handle); |
| 1835 | descriptor.SCSIIO.LMID = 0; |
| 1836 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, |
| 1837 | &ioc->scsi_lookup_lock); |
| 1838 | } |
| 1839 | |
| 1840 | |
| 1841 | /** |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 1842 | * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1843 | * @ioc: per adapter object |
| 1844 | * @smid: system request message index |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1845 | * |
| 1846 | * Return nothing. |
| 1847 | */ |
| 1848 | void |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 1849 | mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1850 | { |
| 1851 | Mpi2RequestDescriptorUnion_t descriptor; |
| 1852 | u64 *request = (u64 *)&descriptor; |
| 1853 | |
| 1854 | descriptor.HighPriority.RequestFlags = |
| 1855 | MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1856 | descriptor.HighPriority.MSIxIndex = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1857 | descriptor.HighPriority.SMID = cpu_to_le16(smid); |
| 1858 | descriptor.HighPriority.LMID = 0; |
| 1859 | descriptor.HighPriority.Reserved1 = 0; |
| 1860 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, |
| 1861 | &ioc->scsi_lookup_lock); |
| 1862 | } |
| 1863 | |
| 1864 | /** |
| 1865 | * mpt2sas_base_put_smid_default - Default, primarily used for config pages |
| 1866 | * @ioc: per adapter object |
| 1867 | * @smid: system request message index |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1868 | * |
| 1869 | * Return nothing. |
| 1870 | */ |
| 1871 | void |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 1872 | mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1873 | { |
| 1874 | Mpi2RequestDescriptorUnion_t descriptor; |
| 1875 | u64 *request = (u64 *)&descriptor; |
| 1876 | |
| 1877 | descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1878 | descriptor.Default.MSIxIndex = _base_get_msix_index(ioc); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1879 | descriptor.Default.SMID = cpu_to_le16(smid); |
| 1880 | descriptor.Default.LMID = 0; |
| 1881 | descriptor.Default.DescriptorTypeDependent = 0; |
| 1882 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, |
| 1883 | &ioc->scsi_lookup_lock); |
| 1884 | } |
| 1885 | |
| 1886 | /** |
| 1887 | * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware |
| 1888 | * @ioc: per adapter object |
| 1889 | * @smid: system request message index |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1890 | * @io_index: value used to track the IO |
| 1891 | * |
| 1892 | * Return nothing. |
| 1893 | */ |
| 1894 | void |
| 1895 | mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid, |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 1896 | u16 io_index) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1897 | { |
| 1898 | Mpi2RequestDescriptorUnion_t descriptor; |
| 1899 | u64 *request = (u64 *)&descriptor; |
| 1900 | |
| 1901 | descriptor.SCSITarget.RequestFlags = |
| 1902 | MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 1903 | descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 1904 | descriptor.SCSITarget.SMID = cpu_to_le16(smid); |
| 1905 | descriptor.SCSITarget.LMID = 0; |
| 1906 | descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index); |
| 1907 | _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow, |
| 1908 | &ioc->scsi_lookup_lock); |
| 1909 | } |
| 1910 | |
| 1911 | /** |
Eric Moore | f0f9cc1 | 2009-04-21 15:40:48 -0600 | [diff] [blame] | 1912 | * _base_display_dell_branding - Disply branding string |
| 1913 | * @ioc: per adapter object |
| 1914 | * |
| 1915 | * Return nothing. |
| 1916 | */ |
| 1917 | static void |
| 1918 | _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc) |
| 1919 | { |
| 1920 | char dell_branding[MPT2SAS_DELL_BRANDING_SIZE]; |
| 1921 | |
| 1922 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) |
| 1923 | return; |
| 1924 | |
| 1925 | memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE); |
| 1926 | switch (ioc->pdev->subsystem_device) { |
| 1927 | case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: |
| 1928 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING, |
| 1929 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1930 | break; |
| 1931 | case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: |
| 1932 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING, |
| 1933 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1934 | break; |
| 1935 | case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: |
| 1936 | strncpy(dell_branding, |
| 1937 | MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING, |
| 1938 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1939 | break; |
| 1940 | case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: |
| 1941 | strncpy(dell_branding, |
| 1942 | MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING, |
| 1943 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1944 | break; |
| 1945 | case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: |
| 1946 | strncpy(dell_branding, |
| 1947 | MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING, |
| 1948 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1949 | break; |
| 1950 | case MPT2SAS_DELL_PERC_H200_SSDID: |
| 1951 | strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING, |
| 1952 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1953 | break; |
| 1954 | case MPT2SAS_DELL_6GBPS_SAS_SSDID: |
| 1955 | strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING, |
| 1956 | MPT2SAS_DELL_BRANDING_SIZE - 1); |
| 1957 | break; |
| 1958 | default: |
| 1959 | sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device); |
| 1960 | break; |
| 1961 | } |
| 1962 | |
| 1963 | printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X)," |
| 1964 | " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding, |
| 1965 | ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor, |
| 1966 | ioc->pdev->subsystem_device); |
| 1967 | } |
| 1968 | |
| 1969 | /** |
Kashyap, Desai | fb396be | 2011-01-04 11:36:37 +0530 | [diff] [blame] | 1970 | * _base_display_intel_branding - Display branding string |
| 1971 | * @ioc: per adapter object |
| 1972 | * |
| 1973 | * Return nothing. |
| 1974 | */ |
| 1975 | static void |
| 1976 | _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) |
| 1977 | { |
Kashyap, Desai | ab3e5f6 | 2011-06-14 10:57:31 +0530 | [diff] [blame] | 1978 | if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) |
| 1979 | return; |
Kashyap, Desai | fb396be | 2011-01-04 11:36:37 +0530 | [diff] [blame] | 1980 | |
Kashyap, Desai | ab3e5f6 | 2011-06-14 10:57:31 +0530 | [diff] [blame] | 1981 | switch (ioc->pdev->device) { |
| 1982 | case MPI2_MFGPAGE_DEVID_SAS2008: |
Kashyap, Desai | fb396be | 2011-01-04 11:36:37 +0530 | [diff] [blame] | 1983 | switch (ioc->pdev->subsystem_device) { |
| 1984 | case MPT2SAS_INTEL_RMS2LL080_SSDID: |
| 1985 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 1986 | MPT2SAS_INTEL_RMS2LL080_BRANDING); |
| 1987 | break; |
| 1988 | case MPT2SAS_INTEL_RMS2LL040_SSDID: |
| 1989 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 1990 | MPT2SAS_INTEL_RMS2LL040_BRANDING); |
| 1991 | break; |
sreekanth.reddy@lsi.com | e17eee4 | 2012-07-17 15:56:05 +0530 | [diff] [blame] | 1992 | case MPT2SAS_INTEL_SSD910_SSDID: |
nagalakshmi.nandigama@lsi.com | 70e73f9 | 2011-12-01 07:43:00 +0530 | [diff] [blame] | 1993 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
sreekanth.reddy@lsi.com | e17eee4 | 2012-07-17 15:56:05 +0530 | [diff] [blame] | 1994 | MPT2SAS_INTEL_SSD910_BRANDING); |
nagalakshmi.nandigama@lsi.com | 70e73f9 | 2011-12-01 07:43:00 +0530 | [diff] [blame] | 1995 | break; |
Kashyap, Desai | ab3e5f6 | 2011-06-14 10:57:31 +0530 | [diff] [blame] | 1996 | default: |
| 1997 | break; |
Kashyap, Desai | fb396be | 2011-01-04 11:36:37 +0530 | [diff] [blame] | 1998 | } |
Kashyap, Desai | ab3e5f6 | 2011-06-14 10:57:31 +0530 | [diff] [blame] | 1999 | case MPI2_MFGPAGE_DEVID_SAS2308_2: |
| 2000 | switch (ioc->pdev->subsystem_device) { |
| 2001 | case MPT2SAS_INTEL_RS25GB008_SSDID: |
| 2002 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2003 | MPT2SAS_INTEL_RS25GB008_BRANDING); |
| 2004 | break; |
nagalakshmi.nandigama@lsi.com | 8bad305 | 2011-12-01 07:52:42 +0530 | [diff] [blame] | 2005 | case MPT2SAS_INTEL_RMS25JB080_SSDID: |
| 2006 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2007 | MPT2SAS_INTEL_RMS25JB080_BRANDING); |
| 2008 | break; |
| 2009 | case MPT2SAS_INTEL_RMS25JB040_SSDID: |
| 2010 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2011 | MPT2SAS_INTEL_RMS25JB040_BRANDING); |
| 2012 | break; |
| 2013 | case MPT2SAS_INTEL_RMS25KB080_SSDID: |
| 2014 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2015 | MPT2SAS_INTEL_RMS25KB080_BRANDING); |
| 2016 | break; |
| 2017 | case MPT2SAS_INTEL_RMS25KB040_SSDID: |
| 2018 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2019 | MPT2SAS_INTEL_RMS25KB040_BRANDING); |
| 2020 | break; |
Sreekanth Reddy | 7887ea7 | 2013-02-01 21:49:30 +0530 | [diff] [blame] | 2021 | case MPT2SAS_INTEL_RMS25LB040_SSDID: |
| 2022 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2023 | MPT2SAS_INTEL_RMS25LB040_BRANDING); |
| 2024 | break; |
| 2025 | case MPT2SAS_INTEL_RMS25LB080_SSDID: |
| 2026 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2027 | MPT2SAS_INTEL_RMS25LB080_BRANDING); |
| 2028 | break; |
Kashyap, Desai | ab3e5f6 | 2011-06-14 10:57:31 +0530 | [diff] [blame] | 2029 | default: |
| 2030 | break; |
| 2031 | } |
| 2032 | default: |
| 2033 | break; |
Kashyap, Desai | fb396be | 2011-01-04 11:36:37 +0530 | [diff] [blame] | 2034 | } |
| 2035 | } |
| 2036 | |
| 2037 | /** |
Kashyap, Desai | 0a2385c | 2011-03-15 20:04:26 +0530 | [diff] [blame] | 2038 | * _base_display_hp_branding - Display branding string |
| 2039 | * @ioc: per adapter object |
| 2040 | * |
| 2041 | * Return nothing. |
| 2042 | */ |
| 2043 | static void |
| 2044 | _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc) |
| 2045 | { |
| 2046 | if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID) |
| 2047 | return; |
| 2048 | |
| 2049 | switch (ioc->pdev->device) { |
| 2050 | case MPI2_MFGPAGE_DEVID_SAS2004: |
| 2051 | switch (ioc->pdev->subsystem_device) { |
| 2052 | case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: |
| 2053 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2054 | MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); |
| 2055 | break; |
| 2056 | default: |
| 2057 | break; |
| 2058 | } |
| 2059 | case MPI2_MFGPAGE_DEVID_SAS2308_2: |
| 2060 | switch (ioc->pdev->subsystem_device) { |
| 2061 | case MPT2SAS_HP_2_4_INTERNAL_SSDID: |
| 2062 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2063 | MPT2SAS_HP_2_4_INTERNAL_BRANDING); |
| 2064 | break; |
| 2065 | case MPT2SAS_HP_2_4_EXTERNAL_SSDID: |
| 2066 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2067 | MPT2SAS_HP_2_4_EXTERNAL_BRANDING); |
| 2068 | break; |
| 2069 | case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: |
| 2070 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2071 | MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); |
| 2072 | break; |
| 2073 | case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: |
| 2074 | printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
| 2075 | MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); |
| 2076 | break; |
| 2077 | default: |
| 2078 | break; |
| 2079 | } |
| 2080 | default: |
| 2081 | break; |
| 2082 | } |
| 2083 | } |
| 2084 | |
| 2085 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2086 | * _base_display_ioc_capabilities - Disply IOC's capabilities. |
| 2087 | * @ioc: per adapter object |
| 2088 | * |
| 2089 | * Return nothing. |
| 2090 | */ |
| 2091 | static void |
| 2092 | _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) |
| 2093 | { |
| 2094 | int i = 0; |
| 2095 | char desc[16]; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2096 | u32 iounit_pg1_flags; |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 2097 | u32 bios_version; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2098 | |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 2099 | bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2100 | strncpy(desc, ioc->manu_pg0.ChipName, 16); |
| 2101 | printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " |
| 2102 | "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", |
| 2103 | ioc->name, desc, |
| 2104 | (ioc->facts.FWVersion.Word & 0xFF000000) >> 24, |
| 2105 | (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, |
| 2106 | (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, |
| 2107 | ioc->facts.FWVersion.Word & 0x000000FF, |
Sergei Shtylyov | 7d7311c | 2012-03-14 22:04:30 +0300 | [diff] [blame] | 2108 | ioc->pdev->revision, |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 2109 | (bios_version & 0xFF000000) >> 24, |
| 2110 | (bios_version & 0x00FF0000) >> 16, |
| 2111 | (bios_version & 0x0000FF00) >> 8, |
| 2112 | bios_version & 0x000000FF); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2113 | |
Kashyap, Desai | ed79f12 | 2009-08-20 13:23:49 +0530 | [diff] [blame] | 2114 | _base_display_dell_branding(ioc); |
Kashyap, Desai | fb396be | 2011-01-04 11:36:37 +0530 | [diff] [blame] | 2115 | _base_display_intel_branding(ioc); |
Kashyap, Desai | 0a2385c | 2011-03-15 20:04:26 +0530 | [diff] [blame] | 2116 | _base_display_hp_branding(ioc); |
Kashyap, Desai | ed79f12 | 2009-08-20 13:23:49 +0530 | [diff] [blame] | 2117 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2118 | printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name); |
| 2119 | |
| 2120 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) { |
| 2121 | printk("Initiator"); |
| 2122 | i++; |
| 2123 | } |
| 2124 | |
| 2125 | if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) { |
| 2126 | printk("%sTarget", i ? "," : ""); |
| 2127 | i++; |
| 2128 | } |
| 2129 | |
| 2130 | i = 0; |
| 2131 | printk("), "); |
| 2132 | printk("Capabilities=("); |
| 2133 | |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 2134 | if (!ioc->hide_ir_msg) { |
| 2135 | if (ioc->facts.IOCCapabilities & |
| 2136 | MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { |
| 2137 | printk("Raid"); |
| 2138 | i++; |
| 2139 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2140 | } |
| 2141 | |
| 2142 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { |
| 2143 | printk("%sTLR", i ? "," : ""); |
| 2144 | i++; |
| 2145 | } |
| 2146 | |
| 2147 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) { |
| 2148 | printk("%sMulticast", i ? "," : ""); |
| 2149 | i++; |
| 2150 | } |
| 2151 | |
| 2152 | if (ioc->facts.IOCCapabilities & |
| 2153 | MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) { |
| 2154 | printk("%sBIDI Target", i ? "," : ""); |
| 2155 | i++; |
| 2156 | } |
| 2157 | |
| 2158 | if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) { |
| 2159 | printk("%sEEDP", i ? "," : ""); |
| 2160 | i++; |
| 2161 | } |
| 2162 | |
| 2163 | if (ioc->facts.IOCCapabilities & |
| 2164 | MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) { |
| 2165 | printk("%sSnapshot Buffer", i ? "," : ""); |
| 2166 | i++; |
| 2167 | } |
| 2168 | |
| 2169 | if (ioc->facts.IOCCapabilities & |
| 2170 | MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) { |
| 2171 | printk("%sDiag Trace Buffer", i ? "," : ""); |
| 2172 | i++; |
| 2173 | } |
| 2174 | |
| 2175 | if (ioc->facts.IOCCapabilities & |
Kashyap, Desai | 1b01fe3 | 2009-09-23 17:28:59 +0530 | [diff] [blame] | 2176 | MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) { |
| 2177 | printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : ""); |
| 2178 | i++; |
| 2179 | } |
| 2180 | |
| 2181 | if (ioc->facts.IOCCapabilities & |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2182 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) { |
| 2183 | printk("%sTask Set Full", i ? "," : ""); |
| 2184 | i++; |
| 2185 | } |
| 2186 | |
| 2187 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); |
| 2188 | if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) { |
| 2189 | printk("%sNCQ", i ? "," : ""); |
| 2190 | i++; |
| 2191 | } |
| 2192 | |
| 2193 | printk(")\n"); |
| 2194 | } |
| 2195 | |
| 2196 | /** |
Reddy, Sreekanth | b0df96a0 | 2013-02-26 16:59:59 +0530 | [diff] [blame] | 2197 | * mpt2sas_base_update_missing_delay - change the missing delay timers |
Kashyap, Desai | 6cb8ef5 | 2010-11-13 04:32:18 +0530 | [diff] [blame] | 2198 | * @ioc: per adapter object |
| 2199 | * @device_missing_delay: amount of time till device is reported missing |
| 2200 | * @io_missing_delay: interval IO is returned when there is a missing device |
| 2201 | * |
| 2202 | * Return nothing. |
| 2203 | * |
| 2204 | * Passed on the command line, this function will modify the device missing |
| 2205 | * delay, as well as the io missing delay. This should be called at driver |
| 2206 | * load time. |
| 2207 | */ |
Reddy, Sreekanth | b0df96a0 | 2013-02-26 16:59:59 +0530 | [diff] [blame] | 2208 | void |
| 2209 | mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, |
Kashyap, Desai | 6cb8ef5 | 2010-11-13 04:32:18 +0530 | [diff] [blame] | 2210 | u16 device_missing_delay, u8 io_missing_delay) |
| 2211 | { |
| 2212 | u16 dmd, dmd_new, dmd_orignal; |
| 2213 | u8 io_missing_delay_original; |
| 2214 | u16 sz; |
| 2215 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
| 2216 | Mpi2ConfigReply_t mpi_reply; |
| 2217 | u8 num_phys = 0; |
| 2218 | u16 ioc_status; |
| 2219 | |
| 2220 | mpt2sas_config_get_number_hba_phys(ioc, &num_phys); |
| 2221 | if (!num_phys) |
| 2222 | return; |
| 2223 | |
| 2224 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys * |
| 2225 | sizeof(Mpi2SasIOUnit1PhyData_t)); |
| 2226 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); |
| 2227 | if (!sas_iounit_pg1) { |
| 2228 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| 2229 | ioc->name, __FILE__, __LINE__, __func__); |
| 2230 | goto out; |
| 2231 | } |
| 2232 | if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, |
| 2233 | sas_iounit_pg1, sz))) { |
| 2234 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| 2235 | ioc->name, __FILE__, __LINE__, __func__); |
| 2236 | goto out; |
| 2237 | } |
| 2238 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 2239 | MPI2_IOCSTATUS_MASK; |
| 2240 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 2241 | printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", |
| 2242 | ioc->name, __FILE__, __LINE__, __func__); |
| 2243 | goto out; |
| 2244 | } |
| 2245 | |
| 2246 | /* device missing delay */ |
| 2247 | dmd = sas_iounit_pg1->ReportDeviceMissingDelay; |
| 2248 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) |
| 2249 | dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; |
| 2250 | else |
| 2251 | dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; |
| 2252 | dmd_orignal = dmd; |
| 2253 | if (device_missing_delay > 0x7F) { |
| 2254 | dmd = (device_missing_delay > 0x7F0) ? 0x7F0 : |
| 2255 | device_missing_delay; |
| 2256 | dmd = dmd / 16; |
| 2257 | dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16; |
| 2258 | } else |
| 2259 | dmd = device_missing_delay; |
| 2260 | sas_iounit_pg1->ReportDeviceMissingDelay = dmd; |
| 2261 | |
| 2262 | /* io missing delay */ |
| 2263 | io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay; |
| 2264 | sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay; |
| 2265 | |
| 2266 | if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, |
| 2267 | sz)) { |
| 2268 | if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16) |
| 2269 | dmd_new = (dmd & |
| 2270 | MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16; |
| 2271 | else |
| 2272 | dmd_new = |
| 2273 | dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK; |
| 2274 | printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), " |
| 2275 | "new(%d)\n", ioc->name, dmd_orignal, dmd_new); |
| 2276 | printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), " |
| 2277 | "new(%d)\n", ioc->name, io_missing_delay_original, |
| 2278 | io_missing_delay); |
| 2279 | ioc->device_missing_delay = dmd_new; |
| 2280 | ioc->io_missing_delay = io_missing_delay; |
| 2281 | } |
| 2282 | |
| 2283 | out: |
| 2284 | kfree(sas_iounit_pg1); |
| 2285 | } |
| 2286 | |
| 2287 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2288 | * _base_static_config_pages - static start of day config pages |
| 2289 | * @ioc: per adapter object |
| 2290 | * |
| 2291 | * Return nothing. |
| 2292 | */ |
| 2293 | static void |
| 2294 | _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc) |
| 2295 | { |
| 2296 | Mpi2ConfigReply_t mpi_reply; |
| 2297 | u32 iounit_pg1_flags; |
| 2298 | |
| 2299 | mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0); |
Kashyap, Desai | ed79f12 | 2009-08-20 13:23:49 +0530 | [diff] [blame] | 2300 | if (ioc->ir_firmware) |
| 2301 | mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply, |
| 2302 | &ioc->manu_pg10); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2303 | mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2); |
| 2304 | mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3); |
| 2305 | mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8); |
| 2306 | mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0); |
| 2307 | mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); |
| 2308 | _base_display_ioc_capabilities(ioc); |
| 2309 | |
| 2310 | /* |
| 2311 | * Enable task_set_full handling in iounit_pg1 when the |
| 2312 | * facts capabilities indicate that its supported. |
| 2313 | */ |
| 2314 | iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags); |
| 2315 | if ((ioc->facts.IOCCapabilities & |
| 2316 | MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING)) |
| 2317 | iounit_pg1_flags &= |
| 2318 | ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; |
| 2319 | else |
| 2320 | iounit_pg1_flags |= |
| 2321 | MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING; |
| 2322 | ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags); |
Kashyap, Desai | 5b76858 | 2009-08-20 13:24:31 +0530 | [diff] [blame] | 2323 | mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1); |
Kashyap, Desai | 6cb8ef5 | 2010-11-13 04:32:18 +0530 | [diff] [blame] | 2324 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2325 | } |
| 2326 | |
| 2327 | /** |
| 2328 | * _base_release_memory_pools - release memory |
| 2329 | * @ioc: per adapter object |
| 2330 | * |
| 2331 | * Free memory allocated from _base_allocate_memory_pools. |
| 2332 | * |
| 2333 | * Return nothing. |
| 2334 | */ |
| 2335 | static void |
| 2336 | _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) |
| 2337 | { |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 2338 | int i; |
| 2339 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 2340 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2341 | __func__)); |
| 2342 | |
| 2343 | if (ioc->request) { |
| 2344 | pci_free_consistent(ioc->pdev, ioc->request_dma_sz, |
| 2345 | ioc->request, ioc->request_dma); |
| 2346 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)" |
| 2347 | ": free\n", ioc->name, ioc->request)); |
| 2348 | ioc->request = NULL; |
| 2349 | } |
| 2350 | |
| 2351 | if (ioc->sense) { |
| 2352 | pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma); |
| 2353 | if (ioc->sense_dma_pool) |
| 2354 | pci_pool_destroy(ioc->sense_dma_pool); |
| 2355 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)" |
| 2356 | ": free\n", ioc->name, ioc->sense)); |
| 2357 | ioc->sense = NULL; |
| 2358 | } |
| 2359 | |
| 2360 | if (ioc->reply) { |
| 2361 | pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma); |
| 2362 | if (ioc->reply_dma_pool) |
| 2363 | pci_pool_destroy(ioc->reply_dma_pool); |
| 2364 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)" |
| 2365 | ": free\n", ioc->name, ioc->reply)); |
| 2366 | ioc->reply = NULL; |
| 2367 | } |
| 2368 | |
| 2369 | if (ioc->reply_free) { |
| 2370 | pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free, |
| 2371 | ioc->reply_free_dma); |
| 2372 | if (ioc->reply_free_dma_pool) |
| 2373 | pci_pool_destroy(ioc->reply_free_dma_pool); |
| 2374 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool" |
| 2375 | "(0x%p): free\n", ioc->name, ioc->reply_free)); |
| 2376 | ioc->reply_free = NULL; |
| 2377 | } |
| 2378 | |
| 2379 | if (ioc->reply_post_free) { |
| 2380 | pci_pool_free(ioc->reply_post_free_dma_pool, |
| 2381 | ioc->reply_post_free, ioc->reply_post_free_dma); |
| 2382 | if (ioc->reply_post_free_dma_pool) |
| 2383 | pci_pool_destroy(ioc->reply_post_free_dma_pool); |
| 2384 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT |
| 2385 | "reply_post_free_pool(0x%p): free\n", ioc->name, |
| 2386 | ioc->reply_post_free)); |
| 2387 | ioc->reply_post_free = NULL; |
| 2388 | } |
| 2389 | |
| 2390 | if (ioc->config_page) { |
| 2391 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT |
| 2392 | "config_page(0x%p): free\n", ioc->name, |
| 2393 | ioc->config_page)); |
| 2394 | pci_free_consistent(ioc->pdev, ioc->config_page_sz, |
| 2395 | ioc->config_page, ioc->config_page_dma); |
| 2396 | } |
| 2397 | |
Kashyap, Desai | 66a6793 | 2010-04-05 14:21:07 +0530 | [diff] [blame] | 2398 | if (ioc->scsi_lookup) { |
| 2399 | free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages); |
| 2400 | ioc->scsi_lookup = NULL; |
| 2401 | } |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2402 | kfree(ioc->hpr_lookup); |
| 2403 | kfree(ioc->internal_lookup); |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 2404 | if (ioc->chain_lookup) { |
| 2405 | for (i = 0; i < ioc->chain_depth; i++) { |
| 2406 | if (ioc->chain_lookup[i].chain_buffer) |
| 2407 | pci_pool_free(ioc->chain_dma_pool, |
| 2408 | ioc->chain_lookup[i].chain_buffer, |
| 2409 | ioc->chain_lookup[i].chain_buffer_dma); |
| 2410 | } |
| 2411 | if (ioc->chain_dma_pool) |
| 2412 | pci_pool_destroy(ioc->chain_dma_pool); |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 2413 | free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); |
| 2414 | ioc->chain_lookup = NULL; |
| 2415 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2416 | } |
| 2417 | |
| 2418 | |
| 2419 | /** |
| 2420 | * _base_allocate_memory_pools - allocate start of day memory pools |
| 2421 | * @ioc: per adapter object |
| 2422 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 2423 | * |
| 2424 | * Returns 0 success, anything else error |
| 2425 | */ |
| 2426 | static int |
| 2427 | _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
| 2428 | { |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 2429 | struct mpt2sas_facts *facts; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2430 | u16 max_sge_elements; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2431 | u16 chains_needed_per_io; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 2432 | u32 sz, total_sz, reply_post_free_sz; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2433 | u32 retry_sz; |
| 2434 | u16 max_request_credit; |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 2435 | int i; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2436 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 2437 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2438 | __func__)); |
| 2439 | |
| 2440 | retry_sz = 0; |
| 2441 | facts = &ioc->facts; |
| 2442 | |
| 2443 | /* command line tunables for max sgl entries */ |
| 2444 | if (max_sgl_entries != -1) { |
| 2445 | ioc->shost->sg_tablesize = (max_sgl_entries < |
| 2446 | MPT2SAS_SG_DEPTH) ? max_sgl_entries : |
| 2447 | MPT2SAS_SG_DEPTH; |
| 2448 | } else { |
| 2449 | ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH; |
| 2450 | } |
| 2451 | |
| 2452 | /* command line tunables for max controller queue depth */ |
sreekanth.reddy@lsi.com | 338b131 | 2012-07-17 15:57:05 +0530 | [diff] [blame] | 2453 | if (max_queue_depth != -1 && max_queue_depth != 0) { |
| 2454 | max_request_credit = min_t(u16, max_queue_depth + |
| 2455 | ioc->hi_priority_depth + ioc->internal_depth, |
| 2456 | facts->RequestCredit); |
| 2457 | if (max_request_credit > MAX_HBA_QUEUE_DEPTH) |
| 2458 | max_request_credit = MAX_HBA_QUEUE_DEPTH; |
| 2459 | } else |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 2460 | max_request_credit = min_t(u16, facts->RequestCredit, |
| 2461 | MAX_HBA_QUEUE_DEPTH); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2462 | |
| 2463 | ioc->hba_queue_depth = max_request_credit; |
| 2464 | ioc->hi_priority_depth = facts->HighPriorityCredit; |
| 2465 | ioc->internal_depth = ioc->hi_priority_depth + 5; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2466 | |
| 2467 | /* request frame size */ |
| 2468 | ioc->request_sz = facts->IOCRequestFrameSize * 4; |
| 2469 | |
| 2470 | /* reply frame size */ |
| 2471 | ioc->reply_sz = facts->ReplyFrameSize * 4; |
| 2472 | |
| 2473 | retry_allocation: |
| 2474 | total_sz = 0; |
| 2475 | /* calculate number of sg elements left over in the 1st frame */ |
| 2476 | max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) - |
| 2477 | sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size); |
| 2478 | ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size; |
| 2479 | |
| 2480 | /* now do the same for a chain buffer */ |
| 2481 | max_sge_elements = ioc->request_sz - ioc->sge_size; |
| 2482 | ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size; |
| 2483 | |
| 2484 | ioc->chain_offset_value_for_main_message = |
| 2485 | ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) + |
| 2486 | (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4; |
| 2487 | |
| 2488 | /* |
| 2489 | * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE |
| 2490 | */ |
| 2491 | chains_needed_per_io = ((ioc->shost->sg_tablesize - |
| 2492 | ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message) |
| 2493 | + 1; |
| 2494 | if (chains_needed_per_io > facts->MaxChainDepth) { |
| 2495 | chains_needed_per_io = facts->MaxChainDepth; |
| 2496 | ioc->shost->sg_tablesize = min_t(u16, |
| 2497 | ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message |
| 2498 | * chains_needed_per_io), ioc->shost->sg_tablesize); |
| 2499 | } |
| 2500 | ioc->chains_needed_per_io = chains_needed_per_io; |
| 2501 | |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 2502 | /* reply free queue sizing - taking into account for 64 FW events */ |
| 2503 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2504 | |
Sreekanth Reddy | 148124d | 2013-02-01 22:02:04 +0530 | [diff] [blame] | 2505 | /* calculate reply descriptor post queue depth */ |
| 2506 | ioc->reply_post_queue_depth = ioc->hba_queue_depth + |
| 2507 | ioc->reply_free_queue_depth + 1; |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 2508 | /* align the reply post queue on the next 16 count boundary */ |
Sreekanth Reddy | 148124d | 2013-02-01 22:02:04 +0530 | [diff] [blame] | 2509 | if (ioc->reply_post_queue_depth % 16) |
| 2510 | ioc->reply_post_queue_depth += 16 - |
| 2511 | (ioc->reply_post_queue_depth % 16); |
| 2512 | |
| 2513 | |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 2514 | if (ioc->reply_post_queue_depth > |
| 2515 | facts->MaxReplyDescriptorPostQueueDepth) { |
Sreekanth Reddy | 148124d | 2013-02-01 22:02:04 +0530 | [diff] [blame] | 2516 | ioc->reply_post_queue_depth = |
| 2517 | facts->MaxReplyDescriptorPostQueueDepth - |
| 2518 | (facts->MaxReplyDescriptorPostQueueDepth % 16); |
| 2519 | ioc->hba_queue_depth = |
| 2520 | ((ioc->reply_post_queue_depth - 64) / 2) - 1; |
| 2521 | ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2522 | } |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 2523 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2524 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " |
| 2525 | "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " |
| 2526 | "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message, |
| 2527 | ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize, |
| 2528 | ioc->chains_needed_per_io)); |
| 2529 | |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2530 | ioc->scsiio_depth = ioc->hba_queue_depth - |
| 2531 | ioc->hi_priority_depth - ioc->internal_depth; |
| 2532 | |
| 2533 | /* set the scsi host can_queue depth |
| 2534 | * with some internal commands that could be outstanding |
| 2535 | */ |
sreekanth.reddy@lsi.com | 338b131 | 2012-07-17 15:57:05 +0530 | [diff] [blame] | 2536 | ioc->shost->can_queue = ioc->scsiio_depth; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2537 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " |
| 2538 | "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); |
| 2539 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2540 | /* contiguous pool for request and chains, 16 byte align, one extra " |
| 2541 | * "frame for smid=0 |
| 2542 | */ |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2543 | ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth; |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 2544 | sz = ((ioc->scsiio_depth + 1) * ioc->request_sz); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2545 | |
| 2546 | /* hi-priority queue */ |
| 2547 | sz += (ioc->hi_priority_depth * ioc->request_sz); |
| 2548 | |
| 2549 | /* internal queue */ |
| 2550 | sz += (ioc->internal_depth * ioc->request_sz); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2551 | |
| 2552 | ioc->request_dma_sz = sz; |
| 2553 | ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma); |
| 2554 | if (!ioc->request) { |
| 2555 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2556 | "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
| 2557 | "total(%d kB)\n", ioc->name, ioc->hba_queue_depth, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2558 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2559 | if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2560 | goto out; |
| 2561 | retry_sz += 64; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2562 | ioc->hba_queue_depth = max_request_credit - retry_sz; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2563 | goto retry_allocation; |
| 2564 | } |
| 2565 | |
| 2566 | if (retry_sz) |
| 2567 | printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent " |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2568 | "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), " |
| 2569 | "total(%d kb)\n", ioc->name, ioc->hba_queue_depth, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2570 | ioc->chains_needed_per_io, ioc->request_sz, sz/1024); |
| 2571 | |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2572 | |
| 2573 | /* hi-priority queue */ |
| 2574 | ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) * |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2575 | ioc->request_sz); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2576 | ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) * |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2577 | ioc->request_sz); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2578 | |
| 2579 | /* internal queue */ |
| 2580 | ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth * |
| 2581 | ioc->request_sz); |
| 2582 | ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth * |
| 2583 | ioc->request_sz); |
| 2584 | |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2585 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2586 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): " |
| 2587 | "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2588 | ioc->request, ioc->hba_queue_depth, ioc->request_sz, |
| 2589 | (ioc->hba_queue_depth * ioc->request_sz)/1024)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2590 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n", |
| 2591 | ioc->name, (unsigned long long) ioc->request_dma)); |
| 2592 | total_sz += sz; |
| 2593 | |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 2594 | sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker); |
Kashyap, Desai | 89009fb | 2010-03-17 16:22:52 +0530 | [diff] [blame] | 2595 | ioc->scsi_lookup_pages = get_order(sz); |
Kashyap, Desai | d5bd3491c | 2011-01-04 11:39:20 +0530 | [diff] [blame] | 2596 | ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages( |
Kashyap, Desai | 89009fb | 2010-03-17 16:22:52 +0530 | [diff] [blame] | 2597 | GFP_KERNEL, ioc->scsi_lookup_pages); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2598 | if (!ioc->scsi_lookup) { |
Kashyap, Desai | 89009fb | 2010-03-17 16:22:52 +0530 | [diff] [blame] | 2599 | printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, " |
| 2600 | "sz(%d)\n", ioc->name, (int)sz); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2601 | goto out; |
| 2602 | } |
| 2603 | |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2604 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): " |
| 2605 | "depth(%d)\n", ioc->name, ioc->request, |
| 2606 | ioc->scsiio_depth)); |
| 2607 | |
nagalakshmi.nandigama@lsi.com | aff132d | 2011-12-01 07:53:08 +0530 | [diff] [blame] | 2608 | ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); |
| 2609 | sz = ioc->chain_depth * sizeof(struct chain_tracker); |
| 2610 | ioc->chain_pages = get_order(sz); |
| 2611 | |
| 2612 | ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( |
| 2613 | GFP_KERNEL, ioc->chain_pages); |
Tomas Henzl | c834b1c | 2012-02-13 18:29:58 +0100 | [diff] [blame] | 2614 | if (!ioc->chain_lookup) { |
| 2615 | printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " |
| 2616 | "sz(%d)\n", ioc->name, (int)sz); |
| 2617 | goto out; |
| 2618 | } |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 2619 | ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, |
| 2620 | ioc->request_sz, 16, 0); |
| 2621 | if (!ioc->chain_dma_pool) { |
| 2622 | printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create " |
| 2623 | "failed\n", ioc->name); |
| 2624 | goto out; |
| 2625 | } |
| 2626 | for (i = 0; i < ioc->chain_depth; i++) { |
| 2627 | ioc->chain_lookup[i].chain_buffer = pci_pool_alloc( |
| 2628 | ioc->chain_dma_pool , GFP_KERNEL, |
| 2629 | &ioc->chain_lookup[i].chain_buffer_dma); |
| 2630 | if (!ioc->chain_lookup[i].chain_buffer) { |
| 2631 | ioc->chain_depth = i; |
| 2632 | goto chain_done; |
| 2633 | } |
| 2634 | total_sz += ioc->request_sz; |
| 2635 | } |
| 2636 | chain_done: |
| 2637 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth" |
| 2638 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, |
| 2639 | ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth * |
| 2640 | ioc->request_sz))/1024)); |
| 2641 | |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2642 | /* initialize hi-priority queue smid's */ |
| 2643 | ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, |
| 2644 | sizeof(struct request_tracker), GFP_KERNEL); |
| 2645 | if (!ioc->hpr_lookup) { |
| 2646 | printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n", |
| 2647 | ioc->name); |
| 2648 | goto out; |
| 2649 | } |
| 2650 | ioc->hi_priority_smid = ioc->scsiio_depth + 1; |
| 2651 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): " |
| 2652 | "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority, |
| 2653 | ioc->hi_priority_depth, ioc->hi_priority_smid)); |
| 2654 | |
| 2655 | /* initialize internal queue smid's */ |
| 2656 | ioc->internal_lookup = kcalloc(ioc->internal_depth, |
| 2657 | sizeof(struct request_tracker), GFP_KERNEL); |
| 2658 | if (!ioc->internal_lookup) { |
| 2659 | printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n", |
| 2660 | ioc->name); |
| 2661 | goto out; |
| 2662 | } |
| 2663 | ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth; |
| 2664 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): " |
| 2665 | "depth(%d), start smid(%d)\n", ioc->name, ioc->internal, |
| 2666 | ioc->internal_depth, ioc->internal_smid)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2667 | |
| 2668 | /* sense buffers, 4 byte align */ |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2669 | sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2670 | ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4, |
| 2671 | 0); |
| 2672 | if (!ioc->sense_dma_pool) { |
| 2673 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n", |
| 2674 | ioc->name); |
| 2675 | goto out; |
| 2676 | } |
| 2677 | ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL, |
| 2678 | &ioc->sense_dma); |
| 2679 | if (!ioc->sense) { |
| 2680 | printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n", |
| 2681 | ioc->name); |
| 2682 | goto out; |
| 2683 | } |
| 2684 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT |
| 2685 | "sense pool(0x%p): depth(%d), element_size(%d), pool_size" |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 2686 | "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2687 | SCSI_SENSE_BUFFERSIZE, sz/1024)); |
| 2688 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n", |
| 2689 | ioc->name, (unsigned long long)ioc->sense_dma)); |
| 2690 | total_sz += sz; |
| 2691 | |
| 2692 | /* reply pool, 4 byte align */ |
| 2693 | sz = ioc->reply_free_queue_depth * ioc->reply_sz; |
| 2694 | ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4, |
| 2695 | 0); |
| 2696 | if (!ioc->reply_dma_pool) { |
| 2697 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n", |
| 2698 | ioc->name); |
| 2699 | goto out; |
| 2700 | } |
| 2701 | ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL, |
| 2702 | &ioc->reply_dma); |
| 2703 | if (!ioc->reply) { |
| 2704 | printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n", |
| 2705 | ioc->name); |
| 2706 | goto out; |
| 2707 | } |
Kashyap, Desai | dd3741d | 2010-11-13 04:31:14 +0530 | [diff] [blame] | 2708 | ioc->reply_dma_min_address = (u32)(ioc->reply_dma); |
| 2709 | ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2710 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth" |
| 2711 | "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply, |
| 2712 | ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024)); |
| 2713 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n", |
| 2714 | ioc->name, (unsigned long long)ioc->reply_dma)); |
| 2715 | total_sz += sz; |
| 2716 | |
| 2717 | /* reply free queue, 16 byte align */ |
| 2718 | sz = ioc->reply_free_queue_depth * 4; |
| 2719 | ioc->reply_free_dma_pool = pci_pool_create("reply_free pool", |
| 2720 | ioc->pdev, sz, 16, 0); |
| 2721 | if (!ioc->reply_free_dma_pool) { |
| 2722 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create " |
| 2723 | "failed\n", ioc->name); |
| 2724 | goto out; |
| 2725 | } |
| 2726 | ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL, |
| 2727 | &ioc->reply_free_dma); |
| 2728 | if (!ioc->reply_free) { |
| 2729 | printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc " |
| 2730 | "failed\n", ioc->name); |
| 2731 | goto out; |
| 2732 | } |
| 2733 | memset(ioc->reply_free, 0, sz); |
| 2734 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): " |
| 2735 | "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name, |
| 2736 | ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024)); |
| 2737 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma" |
| 2738 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma)); |
| 2739 | total_sz += sz; |
| 2740 | |
| 2741 | /* reply post queue, 16 byte align */ |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 2742 | reply_post_free_sz = ioc->reply_post_queue_depth * |
| 2743 | sizeof(Mpi2DefaultReplyDescriptor_t); |
| 2744 | if (_base_is_controller_msix_enabled(ioc)) |
| 2745 | sz = reply_post_free_sz * ioc->reply_queue_count; |
| 2746 | else |
| 2747 | sz = reply_post_free_sz; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2748 | ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool", |
| 2749 | ioc->pdev, sz, 16, 0); |
| 2750 | if (!ioc->reply_post_free_dma_pool) { |
| 2751 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create " |
| 2752 | "failed\n", ioc->name); |
| 2753 | goto out; |
| 2754 | } |
| 2755 | ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool , |
| 2756 | GFP_KERNEL, &ioc->reply_post_free_dma); |
| 2757 | if (!ioc->reply_post_free) { |
| 2758 | printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc " |
| 2759 | "failed\n", ioc->name); |
| 2760 | goto out; |
| 2761 | } |
| 2762 | memset(ioc->reply_post_free, 0, sz); |
| 2763 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool" |
| 2764 | "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n", |
| 2765 | ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8, |
| 2766 | sz/1024)); |
| 2767 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = " |
| 2768 | "(0x%llx)\n", ioc->name, (unsigned long long) |
| 2769 | ioc->reply_post_free_dma)); |
| 2770 | total_sz += sz; |
| 2771 | |
| 2772 | ioc->config_page_sz = 512; |
| 2773 | ioc->config_page = pci_alloc_consistent(ioc->pdev, |
| 2774 | ioc->config_page_sz, &ioc->config_page_dma); |
| 2775 | if (!ioc->config_page) { |
| 2776 | printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc " |
| 2777 | "failed\n", ioc->name); |
| 2778 | goto out; |
| 2779 | } |
| 2780 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size" |
| 2781 | "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz)); |
| 2782 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma" |
| 2783 | "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma)); |
| 2784 | total_sz += ioc->config_page_sz; |
| 2785 | |
| 2786 | printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n", |
| 2787 | ioc->name, total_sz/1024); |
| 2788 | printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), " |
| 2789 | "Max Controller Queue Depth(%d)\n", |
| 2790 | ioc->name, ioc->shost->can_queue, facts->RequestCredit); |
| 2791 | printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n", |
| 2792 | ioc->name, ioc->shost->sg_tablesize); |
| 2793 | return 0; |
| 2794 | |
| 2795 | out: |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2796 | return -ENOMEM; |
| 2797 | } |
| 2798 | |
| 2799 | |
| 2800 | /** |
| 2801 | * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter. |
| 2802 | * @ioc: Pointer to MPT_ADAPTER structure |
| 2803 | * @cooked: Request raw or cooked IOC state |
| 2804 | * |
| 2805 | * Returns all IOC Doorbell register bits if cooked==0, else just the |
| 2806 | * Doorbell bits in MPI_IOC_STATE_MASK. |
| 2807 | */ |
| 2808 | u32 |
| 2809 | mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked) |
| 2810 | { |
| 2811 | u32 s, sc; |
| 2812 | |
| 2813 | s = readl(&ioc->chip->Doorbell); |
| 2814 | sc = s & MPI2_IOC_STATE_MASK; |
| 2815 | return cooked ? sc : s; |
| 2816 | } |
| 2817 | |
| 2818 | /** |
| 2819 | * _base_wait_on_iocstate - waiting on a particular ioc state |
| 2820 | * @ioc_state: controller state { READY, OPERATIONAL, or RESET } |
| 2821 | * @timeout: timeout in second |
| 2822 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 2823 | * |
| 2824 | * Returns 0 for success, non-zero for failure. |
| 2825 | */ |
| 2826 | static int |
| 2827 | _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout, |
| 2828 | int sleep_flag) |
| 2829 | { |
| 2830 | u32 count, cntdn; |
| 2831 | u32 current_state; |
| 2832 | |
| 2833 | count = 0; |
| 2834 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; |
| 2835 | do { |
| 2836 | current_state = mpt2sas_base_get_iocstate(ioc, 1); |
| 2837 | if (current_state == ioc_state) |
| 2838 | return 0; |
| 2839 | if (count && current_state == MPI2_IOC_STATE_FAULT) |
| 2840 | break; |
| 2841 | if (sleep_flag == CAN_SLEEP) |
| 2842 | msleep(1); |
| 2843 | else |
| 2844 | udelay(500); |
| 2845 | count++; |
| 2846 | } while (--cntdn); |
| 2847 | |
| 2848 | return current_state; |
| 2849 | } |
| 2850 | |
| 2851 | /** |
| 2852 | * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by |
| 2853 | * a write to the doorbell) |
| 2854 | * @ioc: per adapter object |
| 2855 | * @timeout: timeout in second |
| 2856 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 2857 | * |
| 2858 | * Returns 0 for success, non-zero for failure. |
| 2859 | * |
| 2860 | * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell. |
| 2861 | */ |
| 2862 | static int |
| 2863 | _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout, |
| 2864 | int sleep_flag) |
| 2865 | { |
| 2866 | u32 cntdn, count; |
| 2867 | u32 int_status; |
| 2868 | |
| 2869 | count = 0; |
| 2870 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; |
| 2871 | do { |
| 2872 | int_status = readl(&ioc->chip->HostInterruptStatus); |
| 2873 | if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 2874 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 2875 | "successful count(%d), timeout(%d)\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2876 | __func__, count, timeout)); |
| 2877 | return 0; |
| 2878 | } |
| 2879 | if (sleep_flag == CAN_SLEEP) |
| 2880 | msleep(1); |
| 2881 | else |
| 2882 | udelay(500); |
| 2883 | count++; |
| 2884 | } while (--cntdn); |
| 2885 | |
| 2886 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " |
| 2887 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); |
| 2888 | return -EFAULT; |
| 2889 | } |
| 2890 | |
| 2891 | /** |
| 2892 | * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell. |
| 2893 | * @ioc: per adapter object |
| 2894 | * @timeout: timeout in second |
| 2895 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 2896 | * |
| 2897 | * Returns 0 for success, non-zero for failure. |
| 2898 | * |
| 2899 | * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to |
| 2900 | * doorbell. |
| 2901 | */ |
| 2902 | static int |
| 2903 | _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout, |
| 2904 | int sleep_flag) |
| 2905 | { |
| 2906 | u32 cntdn, count; |
| 2907 | u32 int_status; |
| 2908 | u32 doorbell; |
| 2909 | |
| 2910 | count = 0; |
| 2911 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; |
| 2912 | do { |
| 2913 | int_status = readl(&ioc->chip->HostInterruptStatus); |
| 2914 | if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) { |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 2915 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 2916 | "successful count(%d), timeout(%d)\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2917 | __func__, count, timeout)); |
| 2918 | return 0; |
| 2919 | } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) { |
| 2920 | doorbell = readl(&ioc->chip->Doorbell); |
| 2921 | if ((doorbell & MPI2_IOC_STATE_MASK) == |
| 2922 | MPI2_IOC_STATE_FAULT) { |
| 2923 | mpt2sas_base_fault_info(ioc , doorbell); |
| 2924 | return -EFAULT; |
| 2925 | } |
| 2926 | } else if (int_status == 0xFFFFFFFF) |
| 2927 | goto out; |
| 2928 | |
| 2929 | if (sleep_flag == CAN_SLEEP) |
| 2930 | msleep(1); |
| 2931 | else |
| 2932 | udelay(500); |
| 2933 | count++; |
| 2934 | } while (--cntdn); |
| 2935 | |
| 2936 | out: |
| 2937 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " |
| 2938 | "int_status(%x)!\n", ioc->name, __func__, count, int_status); |
| 2939 | return -EFAULT; |
| 2940 | } |
| 2941 | |
| 2942 | /** |
| 2943 | * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use |
| 2944 | * @ioc: per adapter object |
| 2945 | * @timeout: timeout in second |
| 2946 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 2947 | * |
| 2948 | * Returns 0 for success, non-zero for failure. |
| 2949 | * |
| 2950 | */ |
| 2951 | static int |
| 2952 | _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout, |
| 2953 | int sleep_flag) |
| 2954 | { |
| 2955 | u32 cntdn, count; |
| 2956 | u32 doorbell_reg; |
| 2957 | |
| 2958 | count = 0; |
| 2959 | cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout; |
| 2960 | do { |
| 2961 | doorbell_reg = readl(&ioc->chip->Doorbell); |
| 2962 | if (!(doorbell_reg & MPI2_DOORBELL_USED)) { |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 2963 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 2964 | "successful count(%d), timeout(%d)\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 2965 | __func__, count, timeout)); |
| 2966 | return 0; |
| 2967 | } |
| 2968 | if (sleep_flag == CAN_SLEEP) |
| 2969 | msleep(1); |
| 2970 | else |
| 2971 | udelay(500); |
| 2972 | count++; |
| 2973 | } while (--cntdn); |
| 2974 | |
| 2975 | printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), " |
| 2976 | "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg); |
| 2977 | return -EFAULT; |
| 2978 | } |
| 2979 | |
| 2980 | /** |
| 2981 | * _base_send_ioc_reset - send doorbell reset |
| 2982 | * @ioc: per adapter object |
| 2983 | * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET |
| 2984 | * @timeout: timeout in second |
| 2985 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 2986 | * |
| 2987 | * Returns 0 for success, non-zero for failure. |
| 2988 | */ |
| 2989 | static int |
| 2990 | _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout, |
| 2991 | int sleep_flag) |
| 2992 | { |
| 2993 | u32 ioc_state; |
| 2994 | int r = 0; |
| 2995 | |
| 2996 | if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) { |
| 2997 | printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n", |
| 2998 | ioc->name, __func__); |
| 2999 | return -EFAULT; |
| 3000 | } |
| 3001 | |
| 3002 | if (!(ioc->facts.IOCCapabilities & |
| 3003 | MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY)) |
| 3004 | return -EFAULT; |
| 3005 | |
| 3006 | printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name); |
| 3007 | |
| 3008 | writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT, |
| 3009 | &ioc->chip->Doorbell); |
| 3010 | if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) { |
| 3011 | r = -EFAULT; |
| 3012 | goto out; |
| 3013 | } |
| 3014 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, |
| 3015 | timeout, sleep_flag); |
| 3016 | if (ioc_state) { |
| 3017 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " |
| 3018 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); |
| 3019 | r = -EFAULT; |
| 3020 | goto out; |
| 3021 | } |
| 3022 | out: |
| 3023 | printk(MPT2SAS_INFO_FMT "message unit reset: %s\n", |
| 3024 | ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); |
| 3025 | return r; |
| 3026 | } |
| 3027 | |
| 3028 | /** |
| 3029 | * _base_handshake_req_reply_wait - send request thru doorbell interface |
| 3030 | * @ioc: per adapter object |
| 3031 | * @request_bytes: request length |
| 3032 | * @request: pointer having request payload |
| 3033 | * @reply_bytes: reply length |
| 3034 | * @reply: pointer to reply payload |
| 3035 | * @timeout: timeout in second |
| 3036 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3037 | * |
| 3038 | * Returns 0 for success, non-zero for failure. |
| 3039 | */ |
| 3040 | static int |
| 3041 | _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes, |
| 3042 | u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag) |
| 3043 | { |
| 3044 | MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply; |
| 3045 | int i; |
| 3046 | u8 failed; |
| 3047 | u16 dummy; |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3048 | __le32 *mfp; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3049 | |
| 3050 | /* make sure doorbell is not in use */ |
| 3051 | if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) { |
| 3052 | printk(MPT2SAS_ERR_FMT "doorbell is in use " |
| 3053 | " (line=%d)\n", ioc->name, __LINE__); |
| 3054 | return -EFAULT; |
| 3055 | } |
| 3056 | |
| 3057 | /* clear pending doorbell interrupts from previous state changes */ |
| 3058 | if (readl(&ioc->chip->HostInterruptStatus) & |
| 3059 | MPI2_HIS_IOC2SYS_DB_STATUS) |
| 3060 | writel(0, &ioc->chip->HostInterruptStatus); |
| 3061 | |
| 3062 | /* send message to ioc */ |
| 3063 | writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) | |
| 3064 | ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)), |
| 3065 | &ioc->chip->Doorbell); |
| 3066 | |
Kashyap, Desai | 29786e1 | 2009-09-14 11:06:21 +0530 | [diff] [blame] | 3067 | if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3068 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
| 3069 | "int failed (line=%d)\n", ioc->name, __LINE__); |
| 3070 | return -EFAULT; |
| 3071 | } |
| 3072 | writel(0, &ioc->chip->HostInterruptStatus); |
| 3073 | |
| 3074 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) { |
| 3075 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
| 3076 | "ack failed (line=%d)\n", ioc->name, __LINE__); |
| 3077 | return -EFAULT; |
| 3078 | } |
| 3079 | |
| 3080 | /* send message 32-bits at a time */ |
| 3081 | for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) { |
| 3082 | writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell); |
| 3083 | if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) |
| 3084 | failed = 1; |
| 3085 | } |
| 3086 | |
| 3087 | if (failed) { |
| 3088 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
| 3089 | "sending request failed (line=%d)\n", ioc->name, __LINE__); |
| 3090 | return -EFAULT; |
| 3091 | } |
| 3092 | |
| 3093 | /* now wait for the reply */ |
| 3094 | if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) { |
| 3095 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
| 3096 | "int failed (line=%d)\n", ioc->name, __LINE__); |
| 3097 | return -EFAULT; |
| 3098 | } |
| 3099 | |
| 3100 | /* read the first two 16-bits, it gives the total length of the reply */ |
| 3101 | reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell) |
| 3102 | & MPI2_DOORBELL_DATA_MASK); |
| 3103 | writel(0, &ioc->chip->HostInterruptStatus); |
| 3104 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { |
| 3105 | printk(MPT2SAS_ERR_FMT "doorbell handshake " |
| 3106 | "int failed (line=%d)\n", ioc->name, __LINE__); |
| 3107 | return -EFAULT; |
| 3108 | } |
| 3109 | reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell) |
| 3110 | & MPI2_DOORBELL_DATA_MASK); |
| 3111 | writel(0, &ioc->chip->HostInterruptStatus); |
| 3112 | |
| 3113 | for (i = 2; i < default_reply->MsgLength * 2; i++) { |
| 3114 | if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) { |
| 3115 | printk(MPT2SAS_ERR_FMT "doorbell " |
| 3116 | "handshake int failed (line=%d)\n", ioc->name, |
| 3117 | __LINE__); |
| 3118 | return -EFAULT; |
| 3119 | } |
| 3120 | if (i >= reply_bytes/2) /* overflow case */ |
| 3121 | dummy = readl(&ioc->chip->Doorbell); |
| 3122 | else |
| 3123 | reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell) |
| 3124 | & MPI2_DOORBELL_DATA_MASK); |
| 3125 | writel(0, &ioc->chip->HostInterruptStatus); |
| 3126 | } |
| 3127 | |
| 3128 | _base_wait_for_doorbell_int(ioc, 5, sleep_flag); |
| 3129 | if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) { |
| 3130 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use " |
| 3131 | " (line=%d)\n", ioc->name, __LINE__)); |
| 3132 | } |
| 3133 | writel(0, &ioc->chip->HostInterruptStatus); |
| 3134 | |
| 3135 | if (ioc->logging_level & MPT_DEBUG_INIT) { |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3136 | mfp = (__le32 *)reply; |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3137 | printk(KERN_INFO "\toffset:data\n"); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3138 | for (i = 0; i < reply_bytes/4; i++) |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3139 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3140 | le32_to_cpu(mfp[i])); |
| 3141 | } |
| 3142 | return 0; |
| 3143 | } |
| 3144 | |
| 3145 | /** |
| 3146 | * mpt2sas_base_sas_iounit_control - send sas iounit control to FW |
| 3147 | * @ioc: per adapter object |
| 3148 | * @mpi_reply: the reply payload from FW |
| 3149 | * @mpi_request: the request payload sent to FW |
| 3150 | * |
| 3151 | * The SAS IO Unit Control Request message allows the host to perform low-level |
| 3152 | * operations, such as resets on the PHYs of the IO Unit, also allows the host |
| 3153 | * to obtain the IOC assigned device handles for a device if it has other |
| 3154 | * identifying information about the device, in addition allows the host to |
| 3155 | * remove IOC resources associated with the device. |
| 3156 | * |
| 3157 | * Returns 0 for success, non-zero for failure. |
| 3158 | */ |
| 3159 | int |
| 3160 | mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, |
| 3161 | Mpi2SasIoUnitControlReply_t *mpi_reply, |
| 3162 | Mpi2SasIoUnitControlRequest_t *mpi_request) |
| 3163 | { |
| 3164 | u16 smid; |
| 3165 | u32 ioc_state; |
| 3166 | unsigned long timeleft; |
| 3167 | u8 issue_reset; |
| 3168 | int rc; |
| 3169 | void *request; |
| 3170 | u16 wait_state_count; |
| 3171 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3172 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3173 | __func__)); |
| 3174 | |
| 3175 | mutex_lock(&ioc->base_cmds.mutex); |
| 3176 | |
| 3177 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { |
| 3178 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", |
| 3179 | ioc->name, __func__); |
| 3180 | rc = -EAGAIN; |
| 3181 | goto out; |
| 3182 | } |
| 3183 | |
| 3184 | wait_state_count = 0; |
| 3185 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
| 3186 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| 3187 | if (wait_state_count++ == 10) { |
| 3188 | printk(MPT2SAS_ERR_FMT |
| 3189 | "%s: failed due to ioc not operational\n", |
| 3190 | ioc->name, __func__); |
| 3191 | rc = -EFAULT; |
| 3192 | goto out; |
| 3193 | } |
| 3194 | ssleep(1); |
| 3195 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
| 3196 | printk(MPT2SAS_INFO_FMT "%s: waiting for " |
| 3197 | "operational state(count=%d)\n", ioc->name, |
| 3198 | __func__, wait_state_count); |
| 3199 | } |
| 3200 | |
| 3201 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); |
| 3202 | if (!smid) { |
| 3203 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| 3204 | ioc->name, __func__); |
| 3205 | rc = -EAGAIN; |
| 3206 | goto out; |
| 3207 | } |
| 3208 | |
| 3209 | rc = 0; |
| 3210 | ioc->base_cmds.status = MPT2_CMD_PENDING; |
| 3211 | request = mpt2sas_base_get_msg_frame(ioc, smid); |
| 3212 | ioc->base_cmds.smid = smid; |
| 3213 | memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t)); |
| 3214 | if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || |
| 3215 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) |
| 3216 | ioc->ioc_link_reset_in_progress = 1; |
Kashyap, Desai | bcfb6e6 | 2009-09-14 11:05:24 +0530 | [diff] [blame] | 3217 | init_completion(&ioc->base_cmds.done); |
nagalakshmi.nandigama@lsi.com | f01690d | 2011-12-01 07:43:58 +0530 | [diff] [blame] | 3218 | mpt2sas_base_put_smid_default(ioc, smid); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3219 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
| 3220 | msecs_to_jiffies(10000)); |
| 3221 | if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || |
| 3222 | mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) && |
| 3223 | ioc->ioc_link_reset_in_progress) |
| 3224 | ioc->ioc_link_reset_in_progress = 0; |
| 3225 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { |
| 3226 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
| 3227 | ioc->name, __func__); |
| 3228 | _debug_dump_mf(mpi_request, |
| 3229 | sizeof(Mpi2SasIoUnitControlRequest_t)/4); |
| 3230 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) |
| 3231 | issue_reset = 1; |
| 3232 | goto issue_host_reset; |
| 3233 | } |
| 3234 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) |
| 3235 | memcpy(mpi_reply, ioc->base_cmds.reply, |
| 3236 | sizeof(Mpi2SasIoUnitControlReply_t)); |
| 3237 | else |
| 3238 | memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t)); |
| 3239 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; |
| 3240 | goto out; |
| 3241 | |
| 3242 | issue_host_reset: |
| 3243 | if (issue_reset) |
| 3244 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 3245 | FORCE_BIG_HAMMER); |
| 3246 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; |
| 3247 | rc = -EFAULT; |
| 3248 | out: |
| 3249 | mutex_unlock(&ioc->base_cmds.mutex); |
| 3250 | return rc; |
| 3251 | } |
| 3252 | |
| 3253 | |
| 3254 | /** |
| 3255 | * mpt2sas_base_scsi_enclosure_processor - sending request to sep device |
| 3256 | * @ioc: per adapter object |
| 3257 | * @mpi_reply: the reply payload from FW |
| 3258 | * @mpi_request: the request payload sent to FW |
| 3259 | * |
| 3260 | * The SCSI Enclosure Processor request message causes the IOC to |
| 3261 | * communicate with SES devices to control LED status signals. |
| 3262 | * |
| 3263 | * Returns 0 for success, non-zero for failure. |
| 3264 | */ |
| 3265 | int |
| 3266 | mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, |
| 3267 | Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request) |
| 3268 | { |
| 3269 | u16 smid; |
| 3270 | u32 ioc_state; |
| 3271 | unsigned long timeleft; |
| 3272 | u8 issue_reset; |
| 3273 | int rc; |
| 3274 | void *request; |
| 3275 | u16 wait_state_count; |
| 3276 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3277 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3278 | __func__)); |
| 3279 | |
| 3280 | mutex_lock(&ioc->base_cmds.mutex); |
| 3281 | |
| 3282 | if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) { |
| 3283 | printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n", |
| 3284 | ioc->name, __func__); |
| 3285 | rc = -EAGAIN; |
| 3286 | goto out; |
| 3287 | } |
| 3288 | |
| 3289 | wait_state_count = 0; |
| 3290 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
| 3291 | while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { |
| 3292 | if (wait_state_count++ == 10) { |
| 3293 | printk(MPT2SAS_ERR_FMT |
| 3294 | "%s: failed due to ioc not operational\n", |
| 3295 | ioc->name, __func__); |
| 3296 | rc = -EFAULT; |
| 3297 | goto out; |
| 3298 | } |
| 3299 | ssleep(1); |
| 3300 | ioc_state = mpt2sas_base_get_iocstate(ioc, 1); |
| 3301 | printk(MPT2SAS_INFO_FMT "%s: waiting for " |
| 3302 | "operational state(count=%d)\n", ioc->name, |
| 3303 | __func__, wait_state_count); |
| 3304 | } |
| 3305 | |
| 3306 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); |
| 3307 | if (!smid) { |
| 3308 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| 3309 | ioc->name, __func__); |
| 3310 | rc = -EAGAIN; |
| 3311 | goto out; |
| 3312 | } |
| 3313 | |
| 3314 | rc = 0; |
| 3315 | ioc->base_cmds.status = MPT2_CMD_PENDING; |
| 3316 | request = mpt2sas_base_get_msg_frame(ioc, smid); |
| 3317 | ioc->base_cmds.smid = smid; |
| 3318 | memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); |
Kashyap, Desai | bcfb6e6 | 2009-09-14 11:05:24 +0530 | [diff] [blame] | 3319 | init_completion(&ioc->base_cmds.done); |
nagalakshmi.nandigama@lsi.com | f01690d | 2011-12-01 07:43:58 +0530 | [diff] [blame] | 3320 | mpt2sas_base_put_smid_default(ioc, smid); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3321 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, |
| 3322 | msecs_to_jiffies(10000)); |
| 3323 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { |
| 3324 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
| 3325 | ioc->name, __func__); |
| 3326 | _debug_dump_mf(mpi_request, |
| 3327 | sizeof(Mpi2SepRequest_t)/4); |
| 3328 | if (!(ioc->base_cmds.status & MPT2_CMD_RESET)) |
| 3329 | issue_reset = 1; |
| 3330 | goto issue_host_reset; |
| 3331 | } |
| 3332 | if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID) |
| 3333 | memcpy(mpi_reply, ioc->base_cmds.reply, |
| 3334 | sizeof(Mpi2SepReply_t)); |
| 3335 | else |
| 3336 | memset(mpi_reply, 0, sizeof(Mpi2SepReply_t)); |
| 3337 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; |
| 3338 | goto out; |
| 3339 | |
| 3340 | issue_host_reset: |
| 3341 | if (issue_reset) |
| 3342 | mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, |
| 3343 | FORCE_BIG_HAMMER); |
| 3344 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; |
| 3345 | rc = -EFAULT; |
| 3346 | out: |
| 3347 | mutex_unlock(&ioc->base_cmds.mutex); |
| 3348 | return rc; |
| 3349 | } |
| 3350 | |
| 3351 | /** |
| 3352 | * _base_get_port_facts - obtain port facts reply and save in ioc |
| 3353 | * @ioc: per adapter object |
| 3354 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3355 | * |
| 3356 | * Returns 0 for success, non-zero for failure. |
| 3357 | */ |
| 3358 | static int |
| 3359 | _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) |
| 3360 | { |
| 3361 | Mpi2PortFactsRequest_t mpi_request; |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3362 | Mpi2PortFactsReply_t mpi_reply; |
| 3363 | struct mpt2sas_port_facts *pfacts; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3364 | int mpi_reply_sz, mpi_request_sz, r; |
| 3365 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3366 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3367 | __func__)); |
| 3368 | |
| 3369 | mpi_reply_sz = sizeof(Mpi2PortFactsReply_t); |
| 3370 | mpi_request_sz = sizeof(Mpi2PortFactsRequest_t); |
| 3371 | memset(&mpi_request, 0, mpi_request_sz); |
| 3372 | mpi_request.Function = MPI2_FUNCTION_PORT_FACTS; |
| 3373 | mpi_request.PortNumber = port; |
| 3374 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, |
| 3375 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); |
| 3376 | |
| 3377 | if (r != 0) { |
| 3378 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", |
| 3379 | ioc->name, __func__, r); |
| 3380 | return r; |
| 3381 | } |
| 3382 | |
| 3383 | pfacts = &ioc->pfacts[port]; |
nagalakshmi.nandigama@lsi.com | e42fafc | 2012-03-20 12:10:01 +0530 | [diff] [blame] | 3384 | memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3385 | pfacts->PortNumber = mpi_reply.PortNumber; |
| 3386 | pfacts->VP_ID = mpi_reply.VP_ID; |
| 3387 | pfacts->VF_ID = mpi_reply.VF_ID; |
| 3388 | pfacts->MaxPostedCmdBuffers = |
| 3389 | le16_to_cpu(mpi_reply.MaxPostedCmdBuffers); |
| 3390 | |
| 3391 | return 0; |
| 3392 | } |
| 3393 | |
| 3394 | /** |
| 3395 | * _base_get_ioc_facts - obtain ioc facts reply and save in ioc |
| 3396 | * @ioc: per adapter object |
| 3397 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3398 | * |
| 3399 | * Returns 0 for success, non-zero for failure. |
| 3400 | */ |
| 3401 | static int |
| 3402 | _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
| 3403 | { |
| 3404 | Mpi2IOCFactsRequest_t mpi_request; |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3405 | Mpi2IOCFactsReply_t mpi_reply; |
| 3406 | struct mpt2sas_facts *facts; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3407 | int mpi_reply_sz, mpi_request_sz, r; |
| 3408 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3409 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3410 | __func__)); |
| 3411 | |
| 3412 | mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t); |
| 3413 | mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t); |
| 3414 | memset(&mpi_request, 0, mpi_request_sz); |
| 3415 | mpi_request.Function = MPI2_FUNCTION_IOC_FACTS; |
| 3416 | r = _base_handshake_req_reply_wait(ioc, mpi_request_sz, |
| 3417 | (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP); |
| 3418 | |
| 3419 | if (r != 0) { |
| 3420 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", |
| 3421 | ioc->name, __func__, r); |
| 3422 | return r; |
| 3423 | } |
| 3424 | |
| 3425 | facts = &ioc->facts; |
nagalakshmi.nandigama@lsi.com | e42fafc | 2012-03-20 12:10:01 +0530 | [diff] [blame] | 3426 | memset(facts, 0, sizeof(struct mpt2sas_facts)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3427 | facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); |
| 3428 | facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); |
| 3429 | facts->VP_ID = mpi_reply.VP_ID; |
| 3430 | facts->VF_ID = mpi_reply.VF_ID; |
| 3431 | facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions); |
| 3432 | facts->MaxChainDepth = mpi_reply.MaxChainDepth; |
| 3433 | facts->WhoInit = mpi_reply.WhoInit; |
| 3434 | facts->NumberOfPorts = mpi_reply.NumberOfPorts; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 3435 | facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3436 | facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit); |
| 3437 | facts->MaxReplyDescriptorPostQueueDepth = |
| 3438 | le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth); |
| 3439 | facts->ProductID = le16_to_cpu(mpi_reply.ProductID); |
| 3440 | facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities); |
| 3441 | if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID)) |
| 3442 | ioc->ir_firmware = 1; |
| 3443 | facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word); |
| 3444 | facts->IOCRequestFrameSize = |
| 3445 | le16_to_cpu(mpi_reply.IOCRequestFrameSize); |
| 3446 | facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators); |
| 3447 | facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets); |
| 3448 | ioc->shost->max_id = -1; |
| 3449 | facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders); |
| 3450 | facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures); |
| 3451 | facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags); |
| 3452 | facts->HighPriorityCredit = |
| 3453 | le16_to_cpu(mpi_reply.HighPriorityCredit); |
| 3454 | facts->ReplyFrameSize = mpi_reply.ReplyFrameSize; |
| 3455 | facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle); |
| 3456 | |
| 3457 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), " |
| 3458 | "max chains per io(%d)\n", ioc->name, facts->RequestCredit, |
| 3459 | facts->MaxChainDepth)); |
| 3460 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), " |
| 3461 | "reply frame size(%d)\n", ioc->name, |
| 3462 | facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4)); |
| 3463 | return 0; |
| 3464 | } |
| 3465 | |
| 3466 | /** |
| 3467 | * _base_send_ioc_init - send ioc_init to firmware |
| 3468 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3469 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3470 | * |
| 3471 | * Returns 0 for success, non-zero for failure. |
| 3472 | */ |
| 3473 | static int |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3474 | _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3475 | { |
| 3476 | Mpi2IOCInitRequest_t mpi_request; |
| 3477 | Mpi2IOCInitReply_t mpi_reply; |
| 3478 | int r; |
Kashyap, Desai | a8ebd76 | 2009-09-23 17:29:29 +0530 | [diff] [blame] | 3479 | struct timeval current_time; |
Kashyap, Desai | 463217b | 2009-10-05 15:53:06 +0530 | [diff] [blame] | 3480 | u16 ioc_status; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3481 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3482 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3483 | __func__)); |
| 3484 | |
| 3485 | memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t)); |
| 3486 | mpi_request.Function = MPI2_FUNCTION_IOC_INIT; |
| 3487 | mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3488 | mpi_request.VF_ID = 0; /* TODO */ |
| 3489 | mpi_request.VP_ID = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3490 | mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION); |
| 3491 | mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); |
| 3492 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 3493 | if (_base_is_controller_msix_enabled(ioc)) |
| 3494 | mpi_request.HostMSIxVectors = ioc->reply_queue_count; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3495 | mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4); |
| 3496 | mpi_request.ReplyDescriptorPostQueueDepth = |
| 3497 | cpu_to_le16(ioc->reply_post_queue_depth); |
| 3498 | mpi_request.ReplyFreeQueueDepth = |
| 3499 | cpu_to_le16(ioc->reply_free_queue_depth); |
| 3500 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3501 | mpi_request.SenseBufferAddressHigh = |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3502 | cpu_to_le32((u64)ioc->sense_dma >> 32); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3503 | mpi_request.SystemReplyAddressHigh = |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3504 | cpu_to_le32((u64)ioc->reply_dma >> 32); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3505 | mpi_request.SystemRequestFrameBaseAddress = |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3506 | cpu_to_le64((u64)ioc->request_dma); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3507 | mpi_request.ReplyFreeQueueAddress = |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3508 | cpu_to_le64((u64)ioc->reply_free_dma); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3509 | mpi_request.ReplyDescriptorPostQueueAddress = |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3510 | cpu_to_le64((u64)ioc->reply_post_free_dma); |
| 3511 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3512 | |
Kashyap, Desai | a8ebd76 | 2009-09-23 17:29:29 +0530 | [diff] [blame] | 3513 | /* This time stamp specifies number of milliseconds |
| 3514 | * since epoch ~ midnight January 1, 1970. |
| 3515 | */ |
| 3516 | do_gettimeofday(¤t_time); |
Kashyap, Desai | 7921b35c | 2010-03-17 16:21:33 +0530 | [diff] [blame] | 3517 | mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 + |
| 3518 | (current_time.tv_usec / 1000)); |
Kashyap, Desai | a8ebd76 | 2009-09-23 17:29:29 +0530 | [diff] [blame] | 3519 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3520 | if (ioc->logging_level & MPT_DEBUG_INIT) { |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3521 | __le32 *mfp; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3522 | int i; |
| 3523 | |
Kashyap, Desai | c97951e | 2011-06-14 10:54:56 +0530 | [diff] [blame] | 3524 | mfp = (__le32 *)&mpi_request; |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3525 | printk(KERN_INFO "\toffset:data\n"); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3526 | for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++) |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3527 | printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3528 | le32_to_cpu(mfp[i])); |
| 3529 | } |
| 3530 | |
| 3531 | r = _base_handshake_req_reply_wait(ioc, |
| 3532 | sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request, |
| 3533 | sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10, |
| 3534 | sleep_flag); |
| 3535 | |
| 3536 | if (r != 0) { |
| 3537 | printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n", |
| 3538 | ioc->name, __func__, r); |
| 3539 | return r; |
| 3540 | } |
| 3541 | |
Kashyap, Desai | 463217b | 2009-10-05 15:53:06 +0530 | [diff] [blame] | 3542 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; |
| 3543 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS || |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3544 | mpi_reply.IOCLogInfo) { |
| 3545 | printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__); |
| 3546 | r = -EIO; |
| 3547 | } |
| 3548 | |
| 3549 | return 0; |
| 3550 | } |
| 3551 | |
| 3552 | /** |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3553 | * mpt2sas_port_enable_done - command completion routine for port enable |
| 3554 | * @ioc: per adapter object |
| 3555 | * @smid: system request message index |
| 3556 | * @msix_index: MSIX table index supplied by the OS |
| 3557 | * @reply: reply message frame(lower 32bit addr) |
| 3558 | * |
| 3559 | * Return 1 meaning mf should be freed from _base_interrupt |
| 3560 | * 0 means the mf is freed from this function. |
| 3561 | */ |
| 3562 | u8 |
| 3563 | mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
| 3564 | u32 reply) |
| 3565 | { |
| 3566 | MPI2DefaultReply_t *mpi_reply; |
| 3567 | u16 ioc_status; |
| 3568 | |
| 3569 | mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); |
| 3570 | if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) |
| 3571 | return 1; |
| 3572 | |
| 3573 | if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) |
| 3574 | return 1; |
| 3575 | |
| 3576 | ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; |
| 3577 | if (mpi_reply) { |
| 3578 | ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; |
| 3579 | memcpy(ioc->port_enable_cmds.reply, mpi_reply, |
| 3580 | mpi_reply->MsgLength*4); |
| 3581 | } |
| 3582 | ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; |
| 3583 | |
| 3584 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; |
| 3585 | |
| 3586 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) |
| 3587 | ioc->port_enable_failed = 1; |
| 3588 | |
| 3589 | if (ioc->is_driver_loading) { |
| 3590 | if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { |
| 3591 | mpt2sas_port_enable_complete(ioc); |
| 3592 | return 1; |
| 3593 | } else { |
| 3594 | ioc->start_scan_failed = ioc_status; |
| 3595 | ioc->start_scan = 0; |
| 3596 | return 1; |
| 3597 | } |
| 3598 | } |
| 3599 | complete(&ioc->port_enable_cmds.done); |
| 3600 | return 1; |
| 3601 | } |
| 3602 | |
| 3603 | |
| 3604 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3605 | * _base_send_port_enable - send port_enable(discovery stuff) to firmware |
| 3606 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3607 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3608 | * |
| 3609 | * Returns 0 for success, non-zero for failure. |
| 3610 | */ |
| 3611 | static int |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3612 | _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3613 | { |
| 3614 | Mpi2PortEnableRequest_t *mpi_request; |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3615 | Mpi2PortEnableReply_t *mpi_reply; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3616 | unsigned long timeleft; |
| 3617 | int r = 0; |
| 3618 | u16 smid; |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3619 | u16 ioc_status; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3620 | |
| 3621 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); |
| 3622 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3623 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3624 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", |
| 3625 | ioc->name, __func__); |
| 3626 | return -EAGAIN; |
| 3627 | } |
| 3628 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3629 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3630 | if (!smid) { |
| 3631 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| 3632 | ioc->name, __func__); |
| 3633 | return -EAGAIN; |
| 3634 | } |
| 3635 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3636 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3637 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3638 | ioc->port_enable_cmds.smid = smid; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3639 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); |
| 3640 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3641 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3642 | init_completion(&ioc->port_enable_cmds.done); |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3643 | mpt2sas_base_put_smid_default(ioc, smid); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3644 | timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3645 | 300*HZ); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3646 | if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3647 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
| 3648 | ioc->name, __func__); |
| 3649 | _debug_dump_mf(mpi_request, |
| 3650 | sizeof(Mpi2PortEnableRequest_t)/4); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3651 | if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3652 | r = -EFAULT; |
| 3653 | else |
| 3654 | r = -ETIME; |
| 3655 | goto out; |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3656 | } |
| 3657 | mpi_reply = ioc->port_enable_cmds.reply; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3658 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3659 | ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; |
| 3660 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
| 3661 | printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", |
| 3662 | ioc->name, __func__, ioc_status); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3663 | r = -EFAULT; |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3664 | goto out; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3665 | } |
| 3666 | out: |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3667 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; |
| 3668 | printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? |
| 3669 | "SUCCESS" : "FAILED")); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3670 | return r; |
| 3671 | } |
| 3672 | |
| 3673 | /** |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 3674 | * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) |
| 3675 | * @ioc: per adapter object |
| 3676 | * |
| 3677 | * Returns 0 for success, non-zero for failure. |
| 3678 | */ |
| 3679 | int |
| 3680 | mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) |
| 3681 | { |
| 3682 | Mpi2PortEnableRequest_t *mpi_request; |
| 3683 | u16 smid; |
| 3684 | |
| 3685 | printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); |
| 3686 | |
| 3687 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
| 3688 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", |
| 3689 | ioc->name, __func__); |
| 3690 | return -EAGAIN; |
| 3691 | } |
| 3692 | |
| 3693 | smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); |
| 3694 | if (!smid) { |
| 3695 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| 3696 | ioc->name, __func__); |
| 3697 | return -EAGAIN; |
| 3698 | } |
| 3699 | |
| 3700 | ioc->port_enable_cmds.status = MPT2_CMD_PENDING; |
| 3701 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| 3702 | ioc->port_enable_cmds.smid = smid; |
| 3703 | memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); |
| 3704 | mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; |
| 3705 | |
| 3706 | mpt2sas_base_put_smid_default(ioc, smid); |
| 3707 | return 0; |
| 3708 | } |
| 3709 | |
| 3710 | /** |
| 3711 | * _base_determine_wait_on_discovery - desposition |
| 3712 | * @ioc: per adapter object |
| 3713 | * |
| 3714 | * Decide whether to wait on discovery to complete. Used to either |
| 3715 | * locate boot device, or report volumes ahead of physical devices. |
| 3716 | * |
| 3717 | * Returns 1 for wait, 0 for don't wait |
| 3718 | */ |
| 3719 | static int |
| 3720 | _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) |
| 3721 | { |
| 3722 | /* We wait for discovery to complete if IR firmware is loaded. |
| 3723 | * The sas topology events arrive before PD events, so we need time to |
| 3724 | * turn on the bit in ioc->pd_handles to indicate PD |
| 3725 | * Also, it maybe required to report Volumes ahead of physical |
| 3726 | * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. |
| 3727 | */ |
| 3728 | if (ioc->ir_firmware) |
| 3729 | return 1; |
| 3730 | |
| 3731 | /* if no Bios, then we don't need to wait */ |
| 3732 | if (!ioc->bios_pg3.BiosVersion) |
| 3733 | return 0; |
| 3734 | |
| 3735 | /* Bios is present, then we drop down here. |
| 3736 | * |
| 3737 | * If there any entries in the Bios Page 2, then we wait |
| 3738 | * for discovery to complete. |
| 3739 | */ |
| 3740 | |
| 3741 | /* Current Boot Device */ |
| 3742 | if ((ioc->bios_pg2.CurrentBootDeviceForm & |
| 3743 | MPI2_BIOSPAGE2_FORM_MASK) == |
| 3744 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && |
| 3745 | /* Request Boot Device */ |
| 3746 | (ioc->bios_pg2.ReqBootDeviceForm & |
| 3747 | MPI2_BIOSPAGE2_FORM_MASK) == |
| 3748 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && |
| 3749 | /* Alternate Request Boot Device */ |
| 3750 | (ioc->bios_pg2.ReqAltBootDeviceForm & |
| 3751 | MPI2_BIOSPAGE2_FORM_MASK) == |
| 3752 | MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) |
| 3753 | return 0; |
| 3754 | |
| 3755 | return 1; |
| 3756 | } |
| 3757 | |
| 3758 | |
| 3759 | /** |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3760 | * _base_unmask_events - turn on notification for this event |
| 3761 | * @ioc: per adapter object |
| 3762 | * @event: firmware event |
| 3763 | * |
| 3764 | * The mask is stored in ioc->event_masks. |
| 3765 | */ |
| 3766 | static void |
| 3767 | _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event) |
| 3768 | { |
| 3769 | u32 desired_event; |
| 3770 | |
| 3771 | if (event >= 128) |
| 3772 | return; |
| 3773 | |
| 3774 | desired_event = (1 << (event % 32)); |
| 3775 | |
| 3776 | if (event < 32) |
| 3777 | ioc->event_masks[0] &= ~desired_event; |
| 3778 | else if (event < 64) |
| 3779 | ioc->event_masks[1] &= ~desired_event; |
| 3780 | else if (event < 96) |
| 3781 | ioc->event_masks[2] &= ~desired_event; |
| 3782 | else if (event < 128) |
| 3783 | ioc->event_masks[3] &= ~desired_event; |
| 3784 | } |
| 3785 | |
| 3786 | /** |
| 3787 | * _base_event_notification - send event notification |
| 3788 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3789 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3790 | * |
| 3791 | * Returns 0 for success, non-zero for failure. |
| 3792 | */ |
| 3793 | static int |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3794 | _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3795 | { |
| 3796 | Mpi2EventNotificationRequest_t *mpi_request; |
| 3797 | unsigned long timeleft; |
| 3798 | u16 smid; |
| 3799 | int r = 0; |
| 3800 | int i; |
| 3801 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3802 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3803 | __func__)); |
| 3804 | |
| 3805 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { |
| 3806 | printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", |
| 3807 | ioc->name, __func__); |
| 3808 | return -EAGAIN; |
| 3809 | } |
| 3810 | |
| 3811 | smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); |
| 3812 | if (!smid) { |
| 3813 | printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", |
| 3814 | ioc->name, __func__); |
| 3815 | return -EAGAIN; |
| 3816 | } |
| 3817 | ioc->base_cmds.status = MPT2_CMD_PENDING; |
| 3818 | mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); |
| 3819 | ioc->base_cmds.smid = smid; |
| 3820 | memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t)); |
| 3821 | mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3822 | mpi_request->VF_ID = 0; /* TODO */ |
| 3823 | mpi_request->VP_ID = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3824 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
| 3825 | mpi_request->EventMasks[i] = |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 3826 | cpu_to_le32(ioc->event_masks[i]); |
Kashyap, Desai | bcfb6e6 | 2009-09-14 11:05:24 +0530 | [diff] [blame] | 3827 | init_completion(&ioc->base_cmds.done); |
nagalakshmi.nandigama@lsi.com | f01690d | 2011-12-01 07:43:58 +0530 | [diff] [blame] | 3828 | mpt2sas_base_put_smid_default(ioc, smid); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3829 | timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); |
| 3830 | if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { |
| 3831 | printk(MPT2SAS_ERR_FMT "%s: timeout\n", |
| 3832 | ioc->name, __func__); |
| 3833 | _debug_dump_mf(mpi_request, |
| 3834 | sizeof(Mpi2EventNotificationRequest_t)/4); |
| 3835 | if (ioc->base_cmds.status & MPT2_CMD_RESET) |
| 3836 | r = -EFAULT; |
| 3837 | else |
| 3838 | r = -ETIME; |
| 3839 | } else |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3840 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3841 | ioc->name, __func__)); |
| 3842 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; |
| 3843 | return r; |
| 3844 | } |
| 3845 | |
| 3846 | /** |
| 3847 | * mpt2sas_base_validate_event_type - validating event types |
| 3848 | * @ioc: per adapter object |
| 3849 | * @event: firmware event |
| 3850 | * |
| 3851 | * This will turn on firmware event notification when application |
| 3852 | * ask for that event. We don't mask events that are already enabled. |
| 3853 | */ |
| 3854 | void |
| 3855 | mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type) |
| 3856 | { |
| 3857 | int i, j; |
| 3858 | u32 event_mask, desired_event; |
| 3859 | u8 send_update_to_fw; |
| 3860 | |
| 3861 | for (i = 0, send_update_to_fw = 0; i < |
| 3862 | MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) { |
| 3863 | event_mask = ~event_type[i]; |
| 3864 | desired_event = 1; |
| 3865 | for (j = 0; j < 32; j++) { |
| 3866 | if (!(event_mask & desired_event) && |
| 3867 | (ioc->event_masks[i] & desired_event)) { |
| 3868 | ioc->event_masks[i] &= ~desired_event; |
| 3869 | send_update_to_fw = 1; |
| 3870 | } |
| 3871 | desired_event = (desired_event << 1); |
| 3872 | } |
| 3873 | } |
| 3874 | |
| 3875 | if (!send_update_to_fw) |
| 3876 | return; |
| 3877 | |
| 3878 | mutex_lock(&ioc->base_cmds.mutex); |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 3879 | _base_event_notification(ioc, CAN_SLEEP); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3880 | mutex_unlock(&ioc->base_cmds.mutex); |
| 3881 | } |
| 3882 | |
| 3883 | /** |
| 3884 | * _base_diag_reset - the "big hammer" start of day reset |
| 3885 | * @ioc: per adapter object |
| 3886 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 3887 | * |
| 3888 | * Returns 0 for success, non-zero for failure. |
| 3889 | */ |
| 3890 | static int |
| 3891 | _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
| 3892 | { |
| 3893 | u32 host_diagnostic; |
| 3894 | u32 ioc_state; |
| 3895 | u32 count; |
| 3896 | u32 hcb_size; |
| 3897 | |
| 3898 | printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name); |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3899 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3900 | ioc->name)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3901 | |
| 3902 | count = 0; |
| 3903 | do { |
| 3904 | /* Write magic sequence to WriteSequence register |
| 3905 | * Loop until in diagnostic mode |
| 3906 | */ |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3907 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3908 | "sequence\n", ioc->name)); |
| 3909 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3910 | writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3911 | writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3912 | writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3913 | writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3914 | writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3915 | writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3916 | |
| 3917 | /* wait 100 msec */ |
| 3918 | if (sleep_flag == CAN_SLEEP) |
| 3919 | msleep(100); |
| 3920 | else |
| 3921 | mdelay(100); |
| 3922 | |
| 3923 | if (count++ > 20) |
| 3924 | goto out; |
| 3925 | |
| 3926 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3927 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3928 | "sequence: count(%d), host_diagnostic(0x%08x)\n", |
| 3929 | ioc->name, count, host_diagnostic)); |
| 3930 | |
| 3931 | } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0); |
| 3932 | |
| 3933 | hcb_size = readl(&ioc->chip->HCBSize); |
| 3934 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3935 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3936 | ioc->name)); |
| 3937 | writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, |
| 3938 | &ioc->chip->HostDiagnostic); |
| 3939 | |
Sreekanth Reddy | ca6832e | 2013-02-01 21:55:43 +0530 | [diff] [blame] | 3940 | /* This delay allows the chip PCIe hardware time to finish reset tasks*/ |
| 3941 | if (sleep_flag == CAN_SLEEP) |
| 3942 | msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); |
| 3943 | else |
| 3944 | mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3945 | |
Sreekanth Reddy | ca6832e | 2013-02-01 21:55:43 +0530 | [diff] [blame] | 3946 | /* Approximately 300 second max wait */ |
| 3947 | for (count = 0; count < (300000000 / |
| 3948 | MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3949 | |
| 3950 | host_diagnostic = readl(&ioc->chip->HostDiagnostic); |
| 3951 | |
| 3952 | if (host_diagnostic == 0xFFFFFFFF) |
| 3953 | goto out; |
| 3954 | if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) |
| 3955 | break; |
| 3956 | |
Sreekanth Reddy | ca6832e | 2013-02-01 21:55:43 +0530 | [diff] [blame] | 3957 | /* Wait to pass the second read delay window */ |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3958 | if (sleep_flag == CAN_SLEEP) |
Sreekanth Reddy | ca6832e | 2013-02-01 21:55:43 +0530 | [diff] [blame] | 3959 | msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC |
| 3960 | /1000); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3961 | else |
Sreekanth Reddy | ca6832e | 2013-02-01 21:55:43 +0530 | [diff] [blame] | 3962 | mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC |
| 3963 | /1000); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3964 | } |
| 3965 | |
| 3966 | if (host_diagnostic & MPI2_DIAG_HCB_MODE) { |
| 3967 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3968 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3969 | "assuming the HCB Address points to good F/W\n", |
| 3970 | ioc->name)); |
| 3971 | host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK; |
| 3972 | host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW; |
| 3973 | writel(host_diagnostic, &ioc->chip->HostDiagnostic); |
| 3974 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3975 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3976 | "re-enable the HCDW\n", ioc->name)); |
| 3977 | writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE, |
| 3978 | &ioc->chip->HCBSize); |
| 3979 | } |
| 3980 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3981 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3982 | ioc->name)); |
| 3983 | writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET, |
| 3984 | &ioc->chip->HostDiagnostic); |
| 3985 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3986 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3987 | "diagnostic register\n", ioc->name)); |
| 3988 | writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence); |
| 3989 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 3990 | drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 3991 | "READY state\n", ioc->name)); |
| 3992 | ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20, |
| 3993 | sleep_flag); |
| 3994 | if (ioc_state) { |
| 3995 | printk(MPT2SAS_ERR_FMT "%s: failed going to ready state " |
| 3996 | " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); |
| 3997 | goto out; |
| 3998 | } |
| 3999 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4000 | printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name); |
| 4001 | return 0; |
| 4002 | |
| 4003 | out: |
| 4004 | printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name); |
| 4005 | return -EFAULT; |
| 4006 | } |
| 4007 | |
| 4008 | /** |
| 4009 | * _base_make_ioc_ready - put controller in READY state |
| 4010 | * @ioc: per adapter object |
| 4011 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 4012 | * @type: FORCE_BIG_HAMMER or SOFT_RESET |
| 4013 | * |
| 4014 | * Returns 0 for success, non-zero for failure. |
| 4015 | */ |
| 4016 | static int |
| 4017 | _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, |
| 4018 | enum reset_type type) |
| 4019 | { |
| 4020 | u32 ioc_state; |
Kashyap, Desai | d32a8c1 | 2010-06-17 13:36:53 +0530 | [diff] [blame] | 4021 | int rc; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4022 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4023 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4024 | __func__)); |
| 4025 | |
Eric Moore | 3cb5469 | 2010-07-08 14:44:34 -0600 | [diff] [blame] | 4026 | if (ioc->pci_error_recovery) |
| 4027 | return 0; |
| 4028 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4029 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4030 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4031 | ioc->name, __func__, ioc_state)); |
| 4032 | |
| 4033 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) |
| 4034 | return 0; |
| 4035 | |
| 4036 | if (ioc_state & MPI2_DOORBELL_USED) { |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4037 | dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4038 | "active!\n", ioc->name)); |
| 4039 | goto issue_diag_reset; |
| 4040 | } |
| 4041 | |
| 4042 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { |
| 4043 | mpt2sas_base_fault_info(ioc, ioc_state & |
| 4044 | MPI2_DOORBELL_DATA_MASK); |
| 4045 | goto issue_diag_reset; |
| 4046 | } |
| 4047 | |
| 4048 | if (type == FORCE_BIG_HAMMER) |
| 4049 | goto issue_diag_reset; |
| 4050 | |
| 4051 | if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL) |
| 4052 | if (!(_base_send_ioc_reset(ioc, |
Kashyap, Desai | d32a8c1 | 2010-06-17 13:36:53 +0530 | [diff] [blame] | 4053 | MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) { |
| 4054 | ioc->ioc_reset_count++; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4055 | return 0; |
Kashyap, Desai | d32a8c1 | 2010-06-17 13:36:53 +0530 | [diff] [blame] | 4056 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4057 | |
| 4058 | issue_diag_reset: |
Kashyap, Desai | d32a8c1 | 2010-06-17 13:36:53 +0530 | [diff] [blame] | 4059 | rc = _base_diag_reset(ioc, CAN_SLEEP); |
| 4060 | ioc->ioc_reset_count++; |
| 4061 | return rc; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4062 | } |
| 4063 | |
| 4064 | /** |
| 4065 | * _base_make_ioc_operational - put controller in OPERATIONAL state |
| 4066 | * @ioc: per adapter object |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4067 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 4068 | * |
| 4069 | * Returns 0 for success, non-zero for failure. |
| 4070 | */ |
| 4071 | static int |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4072 | _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4073 | { |
| 4074 | int r, i; |
| 4075 | unsigned long flags; |
| 4076 | u32 reply_address; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4077 | u16 smid; |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 4078 | struct _tr_list *delayed_tr, *delayed_tr_next; |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 4079 | u8 hide_flag; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4080 | struct adapter_reply_queue *reply_q; |
| 4081 | long reply_post_free; |
| 4082 | u32 reply_post_free_sz; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4083 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4084 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4085 | __func__)); |
| 4086 | |
Kashyap, Desai | 77e63ed | 2009-09-14 11:04:23 +0530 | [diff] [blame] | 4087 | /* clean the delayed target reset list */ |
| 4088 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, |
| 4089 | &ioc->delayed_tr_list, list) { |
| 4090 | list_del(&delayed_tr->list); |
| 4091 | kfree(delayed_tr); |
| 4092 | } |
| 4093 | |
Kashyap, Desai | f3eedd6 | 2010-06-17 13:46:13 +0530 | [diff] [blame] | 4094 | list_for_each_entry_safe(delayed_tr, delayed_tr_next, |
| 4095 | &ioc->delayed_tr_volume_list, list) { |
| 4096 | list_del(&delayed_tr->list); |
| 4097 | kfree(delayed_tr); |
| 4098 | } |
| 4099 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4100 | /* initialize the scsi lookup free list */ |
| 4101 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
| 4102 | INIT_LIST_HEAD(&ioc->free_list); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4103 | smid = 1; |
| 4104 | for (i = 0; i < ioc->scsiio_depth; i++, smid++) { |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 4105 | INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4106 | ioc->scsi_lookup[i].cb_idx = 0xFF; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4107 | ioc->scsi_lookup[i].smid = smid; |
| 4108 | ioc->scsi_lookup[i].scmd = NULL; |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 4109 | ioc->scsi_lookup[i].direct_io = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4110 | list_add_tail(&ioc->scsi_lookup[i].tracker_list, |
| 4111 | &ioc->free_list); |
| 4112 | } |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4113 | |
| 4114 | /* hi-priority queue */ |
| 4115 | INIT_LIST_HEAD(&ioc->hpr_free_list); |
| 4116 | smid = ioc->hi_priority_smid; |
| 4117 | for (i = 0; i < ioc->hi_priority_depth; i++, smid++) { |
| 4118 | ioc->hpr_lookup[i].cb_idx = 0xFF; |
| 4119 | ioc->hpr_lookup[i].smid = smid; |
| 4120 | list_add_tail(&ioc->hpr_lookup[i].tracker_list, |
| 4121 | &ioc->hpr_free_list); |
| 4122 | } |
| 4123 | |
| 4124 | /* internal queue */ |
| 4125 | INIT_LIST_HEAD(&ioc->internal_free_list); |
| 4126 | smid = ioc->internal_smid; |
| 4127 | for (i = 0; i < ioc->internal_depth; i++, smid++) { |
| 4128 | ioc->internal_lookup[i].cb_idx = 0xFF; |
| 4129 | ioc->internal_lookup[i].smid = smid; |
| 4130 | list_add_tail(&ioc->internal_lookup[i].tracker_list, |
| 4131 | &ioc->internal_free_list); |
| 4132 | } |
Kashyap, Desai | 35f805b | 2010-11-13 04:34:06 +0530 | [diff] [blame] | 4133 | |
| 4134 | /* chain pool */ |
| 4135 | INIT_LIST_HEAD(&ioc->free_chain_list); |
| 4136 | for (i = 0; i < ioc->chain_depth; i++) |
| 4137 | list_add_tail(&ioc->chain_lookup[i].tracker_list, |
| 4138 | &ioc->free_chain_list); |
| 4139 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4140 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 4141 | |
| 4142 | /* initialize Reply Free Queue */ |
| 4143 | for (i = 0, reply_address = (u32)ioc->reply_dma ; |
| 4144 | i < ioc->reply_free_queue_depth ; i++, reply_address += |
| 4145 | ioc->reply_sz) |
| 4146 | ioc->reply_free[i] = cpu_to_le32(reply_address); |
| 4147 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4148 | /* initialize reply queues */ |
nagalakshmi.nandigama@lsi.com | 2cb6fc8 | 2011-12-13 09:29:15 +0530 | [diff] [blame] | 4149 | if (ioc->is_driver_loading) |
| 4150 | _base_assign_reply_queues(ioc); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4151 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4152 | /* initialize Reply Post Free Queue */ |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4153 | reply_post_free = (long)ioc->reply_post_free; |
| 4154 | reply_post_free_sz = ioc->reply_post_queue_depth * |
| 4155 | sizeof(Mpi2DefaultReplyDescriptor_t); |
| 4156 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
| 4157 | reply_q->reply_post_host_index = 0; |
| 4158 | reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *) |
| 4159 | reply_post_free; |
| 4160 | for (i = 0; i < ioc->reply_post_queue_depth; i++) |
| 4161 | reply_q->reply_post_free[i].Words = |
| 4162 | cpu_to_le64(ULLONG_MAX); |
| 4163 | if (!_base_is_controller_msix_enabled(ioc)) |
| 4164 | goto skip_init_reply_post_free_queue; |
| 4165 | reply_post_free += reply_post_free_sz; |
| 4166 | } |
| 4167 | skip_init_reply_post_free_queue: |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4168 | |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4169 | r = _base_send_ioc_init(ioc, sleep_flag); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4170 | if (r) |
| 4171 | return r; |
| 4172 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4173 | /* initialize reply free host index */ |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4174 | ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4175 | writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4176 | |
| 4177 | /* initialize reply post host index */ |
| 4178 | list_for_each_entry(reply_q, &ioc->reply_queue_list, list) { |
| 4179 | writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT, |
| 4180 | &ioc->chip->ReplyPostHostIndex); |
| 4181 | if (!_base_is_controller_msix_enabled(ioc)) |
| 4182 | goto skip_init_reply_post_host_index; |
| 4183 | } |
| 4184 | |
| 4185 | skip_init_reply_post_host_index: |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4186 | |
| 4187 | _base_unmask_interrupts(ioc); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4188 | |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4189 | r = _base_event_notification(ioc, sleep_flag); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4190 | if (r) |
| 4191 | return r; |
| 4192 | |
| 4193 | if (sleep_flag == CAN_SLEEP) |
| 4194 | _base_static_config_pages(ioc); |
| 4195 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4196 | |
| 4197 | if (ioc->is_driver_loading) { |
nagalakshmi.nandigama@lsi.com | 2cb6fc8 | 2011-12-13 09:29:15 +0530 | [diff] [blame] | 4198 | if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier |
| 4199 | == 0x80) { |
nagalakshmi.nandigama@lsi.com | d838c36 | 2012-03-20 12:07:48 +0530 | [diff] [blame] | 4200 | hide_flag = (u8) ( |
| 4201 | le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 4202 | MFG_PAGE10_HIDE_SSDS_MASK); |
| 4203 | if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) |
| 4204 | ioc->mfg_pg10_hide_flag = hide_flag; |
| 4205 | } |
nagalakshmi.nandigama@lsi.com | 2cb6fc8 | 2011-12-13 09:29:15 +0530 | [diff] [blame] | 4206 | ioc->wait_for_discovery_to_complete = |
| 4207 | _base_determine_wait_on_discovery(ioc); |
| 4208 | return r; /* scan_start and scan_finished support */ |
Kashyap, Desai | 0bdccdb | 2011-04-07 12:32:49 +0530 | [diff] [blame] | 4209 | } |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4210 | r = _base_send_port_enable(ioc, sleep_flag); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4211 | if (r) |
| 4212 | return r; |
| 4213 | |
| 4214 | return r; |
| 4215 | } |
| 4216 | |
| 4217 | /** |
| 4218 | * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap) |
| 4219 | * @ioc: per adapter object |
| 4220 | * |
| 4221 | * Return nothing. |
| 4222 | */ |
| 4223 | void |
| 4224 | mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) |
| 4225 | { |
| 4226 | struct pci_dev *pdev = ioc->pdev; |
| 4227 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4228 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4229 | __func__)); |
| 4230 | |
Joe Lawrence | 3b3e6f8 | 2013-08-08 16:45:38 -0400 | [diff] [blame] | 4231 | if (ioc->chip_phys && ioc->chip) { |
| 4232 | _base_mask_interrupts(ioc); |
| 4233 | ioc->shost_recovery = 1; |
| 4234 | _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
| 4235 | ioc->shost_recovery = 0; |
| 4236 | } |
| 4237 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4238 | _base_free_irq(ioc); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4239 | _base_disable_msix(ioc); |
Joe Lawrence | 3b3e6f8 | 2013-08-08 16:45:38 -0400 | [diff] [blame] | 4240 | |
| 4241 | if (ioc->chip_phys && ioc->chip) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4242 | iounmap(ioc->chip); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4243 | ioc->chip_phys = 0; |
Joe Lawrence | 3b3e6f8 | 2013-08-08 16:45:38 -0400 | [diff] [blame] | 4244 | |
| 4245 | if (pci_is_enabled(pdev)) { |
| 4246 | pci_release_selected_regions(ioc->pdev, ioc->bars); |
| 4247 | pci_disable_pcie_error_reporting(pdev); |
| 4248 | pci_disable_device(pdev); |
| 4249 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4250 | return; |
| 4251 | } |
| 4252 | |
| 4253 | /** |
| 4254 | * mpt2sas_base_attach - attach controller instance |
| 4255 | * @ioc: per adapter object |
| 4256 | * |
| 4257 | * Returns 0 for success, non-zero for failure. |
| 4258 | */ |
| 4259 | int |
| 4260 | mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) |
| 4261 | { |
| 4262 | int r, i; |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4263 | int cpu_id, last_cpu_id = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4264 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4265 | dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4266 | __func__)); |
| 4267 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4268 | /* setup cpu_msix_table */ |
| 4269 | ioc->cpu_count = num_online_cpus(); |
| 4270 | for_each_online_cpu(cpu_id) |
| 4271 | last_cpu_id = cpu_id; |
| 4272 | ioc->cpu_msix_table_sz = last_cpu_id + 1; |
| 4273 | ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL); |
| 4274 | ioc->reply_queue_count = 1; |
| 4275 | if (!ioc->cpu_msix_table) { |
| 4276 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for " |
| 4277 | "cpu_msix_table failed!!!\n", ioc->name)); |
| 4278 | r = -ENOMEM; |
| 4279 | goto out_free_resources; |
| 4280 | } |
| 4281 | |
| 4282 | if (ioc->is_warpdrive) { |
| 4283 | ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, |
| 4284 | sizeof(resource_size_t *), GFP_KERNEL); |
| 4285 | if (!ioc->reply_post_host_index) { |
| 4286 | dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation " |
| 4287 | "for cpu_msix_table failed!!!\n", ioc->name)); |
| 4288 | r = -ENOMEM; |
| 4289 | goto out_free_resources; |
| 4290 | } |
| 4291 | } |
| 4292 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4293 | r = mpt2sas_base_map_resources(ioc); |
| 4294 | if (r) |
Roland Dreier | c24a171 | 2011-11-30 17:14:22 -0800 | [diff] [blame] | 4295 | goto out_free_resources; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4296 | |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4297 | if (ioc->is_warpdrive) { |
| 4298 | ioc->reply_post_host_index[0] = |
| 4299 | (resource_size_t *)&ioc->chip->ReplyPostHostIndex; |
| 4300 | |
| 4301 | for (i = 1; i < ioc->cpu_msix_table_sz; i++) |
| 4302 | ioc->reply_post_host_index[i] = (resource_size_t *) |
| 4303 | ((u8 *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) |
| 4304 | * 4))); |
| 4305 | } |
| 4306 | |
Kashyap, Desai | fcfe639 | 2009-08-07 19:38:48 +0530 | [diff] [blame] | 4307 | pci_set_drvdata(ioc->pdev, ioc->shost); |
Kashyap, Desai | 96b681c | 2009-09-23 17:32:06 +0530 | [diff] [blame] | 4308 | r = _base_get_ioc_facts(ioc, CAN_SLEEP); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4309 | if (r) |
| 4310 | goto out_free_resources; |
| 4311 | |
Kashyap, Desai | 96b681c | 2009-09-23 17:32:06 +0530 | [diff] [blame] | 4312 | r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4313 | if (r) |
| 4314 | goto out_free_resources; |
| 4315 | |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4316 | ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, |
nagalakshmi.nandigama@lsi.com | e42fafc | 2012-03-20 12:10:01 +0530 | [diff] [blame] | 4317 | sizeof(struct mpt2sas_port_facts), GFP_KERNEL); |
Kashyap, Desai | f6aee7b | 2010-03-17 16:26:48 +0530 | [diff] [blame] | 4318 | if (!ioc->pfacts) { |
| 4319 | r = -ENOMEM; |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4320 | goto out_free_resources; |
Kashyap, Desai | f6aee7b | 2010-03-17 16:26:48 +0530 | [diff] [blame] | 4321 | } |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4322 | |
| 4323 | for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) { |
| 4324 | r = _base_get_port_facts(ioc, i, CAN_SLEEP); |
| 4325 | if (r) |
| 4326 | goto out_free_resources; |
| 4327 | } |
| 4328 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4329 | r = _base_allocate_memory_pools(ioc, CAN_SLEEP); |
| 4330 | if (r) |
| 4331 | goto out_free_resources; |
| 4332 | |
| 4333 | init_waitqueue_head(&ioc->reset_wq); |
Kashyap, Desai | f3eedd6 | 2010-06-17 13:46:13 +0530 | [diff] [blame] | 4334 | /* allocate memory pd handle bitmask list */ |
| 4335 | ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); |
| 4336 | if (ioc->facts.MaxDevHandle % 8) |
| 4337 | ioc->pd_handles_sz++; |
| 4338 | ioc->pd_handles = kzalloc(ioc->pd_handles_sz, |
| 4339 | GFP_KERNEL); |
Kashyap, Desai | 3e2e833 | 2010-06-17 13:47:29 +0530 | [diff] [blame] | 4340 | if (!ioc->pd_handles) { |
| 4341 | r = -ENOMEM; |
Kashyap, Desai | f3eedd6 | 2010-06-17 13:46:13 +0530 | [diff] [blame] | 4342 | goto out_free_resources; |
Kashyap, Desai | 3e2e833 | 2010-06-17 13:47:29 +0530 | [diff] [blame] | 4343 | } |
nagalakshmi.nandigama@lsi.com | 09da0b3 | 2012-03-20 12:06:50 +0530 | [diff] [blame] | 4344 | ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, |
| 4345 | GFP_KERNEL); |
| 4346 | if (!ioc->blocking_handles) { |
| 4347 | r = -ENOMEM; |
| 4348 | goto out_free_resources; |
| 4349 | } |
Kashyap, Desai | e75b9b6 | 2009-12-16 18:52:39 +0530 | [diff] [blame] | 4350 | ioc->fwfault_debug = mpt2sas_fwfault_debug; |
| 4351 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4352 | /* base internal command bits */ |
| 4353 | mutex_init(&ioc->base_cmds.mutex); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4354 | ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
| 4355 | ioc->base_cmds.status = MPT2_CMD_NOT_USED; |
| 4356 | |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4357 | /* port_enable command bits */ |
| 4358 | ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
| 4359 | ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; |
| 4360 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4361 | /* transport internal command bits */ |
| 4362 | ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
| 4363 | ioc->transport_cmds.status = MPT2_CMD_NOT_USED; |
| 4364 | mutex_init(&ioc->transport_cmds.mutex); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4365 | |
Kashyap, Desai | d685c26 | 2009-11-17 13:16:37 +0530 | [diff] [blame] | 4366 | /* scsih internal command bits */ |
| 4367 | ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
| 4368 | ioc->scsih_cmds.status = MPT2_CMD_NOT_USED; |
| 4369 | mutex_init(&ioc->scsih_cmds.mutex); |
| 4370 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4371 | /* task management internal command bits */ |
| 4372 | ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
| 4373 | ioc->tm_cmds.status = MPT2_CMD_NOT_USED; |
| 4374 | mutex_init(&ioc->tm_cmds.mutex); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4375 | |
| 4376 | /* config page internal command bits */ |
| 4377 | ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
| 4378 | ioc->config_cmds.status = MPT2_CMD_NOT_USED; |
| 4379 | mutex_init(&ioc->config_cmds.mutex); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4380 | |
| 4381 | /* ctl module internal command bits */ |
| 4382 | ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); |
Kashyap, Desai | 769578f | 2010-06-17 13:49:28 +0530 | [diff] [blame] | 4383 | ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4384 | ioc->ctl_cmds.status = MPT2_CMD_NOT_USED; |
| 4385 | mutex_init(&ioc->ctl_cmds.mutex); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4386 | |
Kashyap, Desai | f6aee7b | 2010-03-17 16:26:48 +0530 | [diff] [blame] | 4387 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
| 4388 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || |
Kashyap, Desai | 769578f | 2010-06-17 13:49:28 +0530 | [diff] [blame] | 4389 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply || |
| 4390 | !ioc->ctl_cmds.sense) { |
Kashyap, Desai | f6aee7b | 2010-03-17 16:26:48 +0530 | [diff] [blame] | 4391 | r = -ENOMEM; |
| 4392 | goto out_free_resources; |
| 4393 | } |
| 4394 | |
Kashyap, Desai | 3e2e833 | 2010-06-17 13:47:29 +0530 | [diff] [blame] | 4395 | if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply || |
| 4396 | !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply || |
| 4397 | !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) { |
| 4398 | r = -ENOMEM; |
| 4399 | goto out_free_resources; |
| 4400 | } |
| 4401 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4402 | for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) |
| 4403 | ioc->event_masks[i] = -1; |
| 4404 | |
| 4405 | /* here we enable the events we care about */ |
| 4406 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY); |
| 4407 | _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE); |
| 4408 | _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST); |
| 4409 | _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE); |
| 4410 | _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE); |
| 4411 | _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST); |
| 4412 | _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME); |
| 4413 | _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK); |
| 4414 | _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4415 | _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED); |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4416 | r = _base_make_ioc_operational(ioc, CAN_SLEEP); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4417 | if (r) |
| 4418 | goto out_free_resources; |
| 4419 | |
Sreekanth Reddy | b4730fb | 2012-12-18 14:45:30 +0100 | [diff] [blame] | 4420 | ioc->non_operational_loop = 0; |
Kashyap, Desai | 6cb8ef5 | 2010-11-13 04:32:18 +0530 | [diff] [blame] | 4421 | |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4422 | return 0; |
| 4423 | |
| 4424 | out_free_resources: |
| 4425 | |
| 4426 | ioc->remove_host = 1; |
| 4427 | mpt2sas_base_free_resources(ioc); |
| 4428 | _base_release_memory_pools(ioc); |
Kashyap, Desai | fcfe639 | 2009-08-07 19:38:48 +0530 | [diff] [blame] | 4429 | pci_set_drvdata(ioc->pdev, NULL); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4430 | kfree(ioc->cpu_msix_table); |
| 4431 | if (ioc->is_warpdrive) |
| 4432 | kfree(ioc->reply_post_host_index); |
Kashyap, Desai | f3eedd6 | 2010-06-17 13:46:13 +0530 | [diff] [blame] | 4433 | kfree(ioc->pd_handles); |
nagalakshmi.nandigama@lsi.com | 09da0b3 | 2012-03-20 12:06:50 +0530 | [diff] [blame] | 4434 | kfree(ioc->blocking_handles); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4435 | kfree(ioc->tm_cmds.reply); |
| 4436 | kfree(ioc->transport_cmds.reply); |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 4437 | kfree(ioc->scsih_cmds.reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4438 | kfree(ioc->config_cmds.reply); |
| 4439 | kfree(ioc->base_cmds.reply); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4440 | kfree(ioc->port_enable_cmds.reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4441 | kfree(ioc->ctl_cmds.reply); |
Kashyap, Desai | 769578f | 2010-06-17 13:49:28 +0530 | [diff] [blame] | 4442 | kfree(ioc->ctl_cmds.sense); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4443 | kfree(ioc->pfacts); |
| 4444 | ioc->ctl_cmds.reply = NULL; |
| 4445 | ioc->base_cmds.reply = NULL; |
| 4446 | ioc->tm_cmds.reply = NULL; |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 4447 | ioc->scsih_cmds.reply = NULL; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4448 | ioc->transport_cmds.reply = NULL; |
| 4449 | ioc->config_cmds.reply = NULL; |
| 4450 | ioc->pfacts = NULL; |
| 4451 | return r; |
| 4452 | } |
| 4453 | |
| 4454 | |
| 4455 | /** |
| 4456 | * mpt2sas_base_detach - remove controller instance |
| 4457 | * @ioc: per adapter object |
| 4458 | * |
| 4459 | * Return nothing. |
| 4460 | */ |
| 4461 | void |
| 4462 | mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) |
| 4463 | { |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4464 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4465 | dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4466 | __func__)); |
| 4467 | |
Kashyap, Desai | e4750c9 | 2009-08-07 19:37:59 +0530 | [diff] [blame] | 4468 | mpt2sas_base_stop_watchdog(ioc); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4469 | mpt2sas_base_free_resources(ioc); |
| 4470 | _base_release_memory_pools(ioc); |
Kashyap, Desai | fcfe639 | 2009-08-07 19:38:48 +0530 | [diff] [blame] | 4471 | pci_set_drvdata(ioc->pdev, NULL); |
nagalakshmi.nandigama@lsi.com | 911ae94 | 2011-09-08 06:18:50 +0530 | [diff] [blame] | 4472 | kfree(ioc->cpu_msix_table); |
| 4473 | if (ioc->is_warpdrive) |
| 4474 | kfree(ioc->reply_post_host_index); |
Kashyap, Desai | f3eedd6 | 2010-06-17 13:46:13 +0530 | [diff] [blame] | 4475 | kfree(ioc->pd_handles); |
nagalakshmi.nandigama@lsi.com | 09da0b3 | 2012-03-20 12:06:50 +0530 | [diff] [blame] | 4476 | kfree(ioc->blocking_handles); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4477 | kfree(ioc->pfacts); |
| 4478 | kfree(ioc->ctl_cmds.reply); |
Kashyap, Desai | 769578f | 2010-06-17 13:49:28 +0530 | [diff] [blame] | 4479 | kfree(ioc->ctl_cmds.sense); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4480 | kfree(ioc->base_cmds.reply); |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4481 | kfree(ioc->port_enable_cmds.reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4482 | kfree(ioc->tm_cmds.reply); |
| 4483 | kfree(ioc->transport_cmds.reply); |
Kashyap, Desai | e94f674 | 2010-03-17 16:24:52 +0530 | [diff] [blame] | 4484 | kfree(ioc->scsih_cmds.reply); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4485 | kfree(ioc->config_cmds.reply); |
| 4486 | } |
| 4487 | |
| 4488 | /** |
| 4489 | * _base_reset_handler - reset callback handler (for base) |
| 4490 | * @ioc: per adapter object |
| 4491 | * @reset_phase: phase |
| 4492 | * |
| 4493 | * The handler for doing any required cleanup or initialization. |
| 4494 | * |
| 4495 | * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET, |
| 4496 | * MPT2_IOC_DONE_RESET |
| 4497 | * |
| 4498 | * Return nothing. |
| 4499 | */ |
| 4500 | static void |
| 4501 | _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) |
| 4502 | { |
Kashyap, Desai | 4224489 | 2011-01-04 11:38:39 +0530 | [diff] [blame] | 4503 | mpt2sas_scsih_reset_handler(ioc, reset_phase); |
| 4504 | mpt2sas_ctl_reset_handler(ioc, reset_phase); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4505 | switch (reset_phase) { |
| 4506 | case MPT2_IOC_PRE_RESET: |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4507 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4508 | "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); |
| 4509 | break; |
| 4510 | case MPT2_IOC_AFTER_RESET: |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4511 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4512 | "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); |
| 4513 | if (ioc->transport_cmds.status & MPT2_CMD_PENDING) { |
| 4514 | ioc->transport_cmds.status |= MPT2_CMD_RESET; |
| 4515 | mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid); |
| 4516 | complete(&ioc->transport_cmds.done); |
| 4517 | } |
| 4518 | if (ioc->base_cmds.status & MPT2_CMD_PENDING) { |
| 4519 | ioc->base_cmds.status |= MPT2_CMD_RESET; |
| 4520 | mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); |
| 4521 | complete(&ioc->base_cmds.done); |
| 4522 | } |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4523 | if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { |
| 4524 | ioc->port_enable_failed = 1; |
| 4525 | ioc->port_enable_cmds.status |= MPT2_CMD_RESET; |
| 4526 | mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); |
| 4527 | if (ioc->is_driver_loading) { |
| 4528 | ioc->start_scan_failed = |
| 4529 | MPI2_IOCSTATUS_INTERNAL_ERROR; |
| 4530 | ioc->start_scan = 0; |
| 4531 | ioc->port_enable_cmds.status = |
| 4532 | MPT2_CMD_NOT_USED; |
| 4533 | } else |
| 4534 | complete(&ioc->port_enable_cmds.done); |
| 4535 | |
| 4536 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4537 | if (ioc->config_cmds.status & MPT2_CMD_PENDING) { |
| 4538 | ioc->config_cmds.status |= MPT2_CMD_RESET; |
| 4539 | mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); |
Alexey Dobriyan | 4be929b | 2010-05-24 14:33:03 -0700 | [diff] [blame] | 4540 | ioc->config_cmds.smid = USHRT_MAX; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4541 | complete(&ioc->config_cmds.done); |
| 4542 | } |
| 4543 | break; |
| 4544 | case MPT2_IOC_DONE_RESET: |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4545 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4546 | "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); |
| 4547 | break; |
| 4548 | } |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4549 | } |
| 4550 | |
| 4551 | /** |
| 4552 | * _wait_for_commands_to_complete - reset controller |
| 4553 | * @ioc: Pointer to MPT_ADAPTER structure |
| 4554 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 4555 | * |
| 4556 | * This function waiting(3s) for all pending commands to complete |
| 4557 | * prior to putting controller in reset. |
| 4558 | */ |
| 4559 | static void |
| 4560 | _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) |
| 4561 | { |
| 4562 | u32 ioc_state; |
| 4563 | unsigned long flags; |
| 4564 | u16 i; |
| 4565 | |
| 4566 | ioc->pending_io_count = 0; |
| 4567 | if (sleep_flag != CAN_SLEEP) |
| 4568 | return; |
| 4569 | |
| 4570 | ioc_state = mpt2sas_base_get_iocstate(ioc, 0); |
| 4571 | if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) |
| 4572 | return; |
| 4573 | |
| 4574 | /* pending command count */ |
| 4575 | spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); |
Kashyap, Desai | 595bb0b | 2009-09-14 11:02:48 +0530 | [diff] [blame] | 4576 | for (i = 0; i < ioc->scsiio_depth; i++) |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4577 | if (ioc->scsi_lookup[i].cb_idx != 0xFF) |
| 4578 | ioc->pending_io_count++; |
| 4579 | spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); |
| 4580 | |
| 4581 | if (!ioc->pending_io_count) |
| 4582 | return; |
| 4583 | |
| 4584 | /* wait for pending commands to complete */ |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4585 | wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4586 | } |
| 4587 | |
| 4588 | /** |
| 4589 | * mpt2sas_base_hard_reset_handler - reset controller |
| 4590 | * @ioc: Pointer to MPT_ADAPTER structure |
| 4591 | * @sleep_flag: CAN_SLEEP or NO_SLEEP |
| 4592 | * @type: FORCE_BIG_HAMMER or SOFT_RESET |
| 4593 | * |
| 4594 | * Returns 0 for success, non-zero for failure. |
| 4595 | */ |
| 4596 | int |
| 4597 | mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, |
| 4598 | enum reset_type type) |
| 4599 | { |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4600 | int r; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4601 | unsigned long flags; |
| 4602 | |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4603 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4604 | __func__)); |
| 4605 | |
Eric Moore | 3cb5469 | 2010-07-08 14:44:34 -0600 | [diff] [blame] | 4606 | if (ioc->pci_error_recovery) { |
| 4607 | printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", |
| 4608 | ioc->name, __func__); |
| 4609 | r = 0; |
Alexey Khoroshilov | 7fbd764 | 2011-08-26 00:36:23 +0400 | [diff] [blame] | 4610 | goto out_unlocked; |
Eric Moore | 3cb5469 | 2010-07-08 14:44:34 -0600 | [diff] [blame] | 4611 | } |
| 4612 | |
Kashyap, Desai | fa7f316 | 2009-09-23 17:26:58 +0530 | [diff] [blame] | 4613 | if (mpt2sas_fwfault_debug) |
| 4614 | mpt2sas_halt_firmware(ioc); |
| 4615 | |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4616 | /* TODO - What we really should be doing is pulling |
| 4617 | * out all the code associated with NO_SLEEP; its never used. |
| 4618 | * That is legacy code from mpt fusion driver, ported over. |
| 4619 | * I will leave this BUG_ON here for now till its been resolved. |
| 4620 | */ |
| 4621 | BUG_ON(sleep_flag == NO_SLEEP); |
| 4622 | |
| 4623 | /* wait for an active reset in progress to complete */ |
| 4624 | if (!mutex_trylock(&ioc->reset_in_progress_mutex)) { |
| 4625 | do { |
| 4626 | ssleep(1); |
| 4627 | } while (ioc->shost_recovery == 1); |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4628 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4629 | __func__)); |
| 4630 | return ioc->ioc_reset_in_progress_status; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4631 | } |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4632 | |
| 4633 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4634 | ioc->shost_recovery = 1; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4635 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
| 4636 | |
| 4637 | _base_reset_handler(ioc, MPT2_IOC_PRE_RESET); |
| 4638 | _wait_for_commands_to_complete(ioc, sleep_flag); |
| 4639 | _base_mask_interrupts(ioc); |
| 4640 | r = _base_make_ioc_ready(ioc, sleep_flag, type); |
| 4641 | if (r) |
| 4642 | goto out; |
| 4643 | _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET); |
Kashyap, Desai | 4224489 | 2011-01-04 11:38:39 +0530 | [diff] [blame] | 4644 | |
| 4645 | /* If this hard reset is called while port enable is active, then |
| 4646 | * there is no reason to call make_ioc_operational |
| 4647 | */ |
nagalakshmi.nandigama@lsi.com | 921cd80 | 2011-10-19 15:36:26 +0530 | [diff] [blame] | 4648 | if (ioc->is_driver_loading && ioc->port_enable_failed) { |
| 4649 | ioc->remove_host = 1; |
Kashyap, Desai | 4224489 | 2011-01-04 11:38:39 +0530 | [diff] [blame] | 4650 | r = -EFAULT; |
| 4651 | goto out; |
| 4652 | } |
Kashyap, Desai | 7b936b0 | 2009-09-25 11:44:41 +0530 | [diff] [blame] | 4653 | r = _base_make_ioc_operational(ioc, sleep_flag); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4654 | if (!r) |
| 4655 | _base_reset_handler(ioc, MPT2_IOC_DONE_RESET); |
| 4656 | out: |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4657 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n", |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4658 | ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED"))); |
| 4659 | |
| 4660 | spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4661 | ioc->ioc_reset_in_progress_status = r; |
Kashyap, Desai | 155dd4c | 2009-08-20 13:22:00 +0530 | [diff] [blame] | 4662 | ioc->shost_recovery = 0; |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4663 | spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4664 | mutex_unlock(&ioc->reset_in_progress_mutex); |
Kashyap, Desai | cd4e12e | 2009-08-20 13:20:54 +0530 | [diff] [blame] | 4665 | |
Alexey Khoroshilov | 7fbd764 | 2011-08-26 00:36:23 +0400 | [diff] [blame] | 4666 | out_unlocked: |
Kashyap, Desai | eabb08a | 2010-06-17 13:43:57 +0530 | [diff] [blame] | 4667 | dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, |
Kashyap, Desai | d274213 | 2010-06-17 13:28:55 +0530 | [diff] [blame] | 4668 | __func__)); |
Eric Moore | 635374e | 2009-03-09 01:21:12 -0600 | [diff] [blame] | 4669 | return r; |
| 4670 | } |