Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/message/fusion/mptsas.c |
| 3 | * For use with LSI Logic PCI chip/adapter(s) |
| 4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. |
| 5 | * |
| 6 | * Copyright (c) 1999-2005 LSI Logic Corporation |
| 7 | * (mailto:mpt_linux_developer@lsil.com) |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 8 | * Copyright (c) 2005-2006 Dell |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 9 | */ |
| 10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 11 | /* |
| 12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by |
| 14 | the Free Software Foundation; version 2 of the License. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | NO WARRANTY |
| 22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| 23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| 24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| 25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| 26 | solely responsible for determining the appropriateness of using and |
| 27 | distributing the Program and assumes all risks associated with its |
| 28 | exercise of rights under this Agreement, including but not limited to |
| 29 | the risks and costs of program errors, damage to or loss of data, |
| 30 | programs or equipment, and unavailability or interruption of operations. |
| 31 | |
| 32 | DISCLAIMER OF LIABILITY |
| 33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| 34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| 36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| 39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| 40 | |
| 41 | You should have received a copy of the GNU General Public License |
| 42 | along with this program; if not, write to the Free Software |
| 43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 44 | */ |
| 45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 46 | |
| 47 | #include <linux/module.h> |
| 48 | #include <linux/kernel.h> |
| 49 | #include <linux/init.h> |
| 50 | #include <linux/errno.h> |
| 51 | #include <linux/sched.h> |
| 52 | #include <linux/workqueue.h> |
| 53 | |
| 54 | #include <scsi/scsi_cmnd.h> |
| 55 | #include <scsi/scsi_device.h> |
| 56 | #include <scsi/scsi_host.h> |
| 57 | #include <scsi/scsi_transport_sas.h> |
| 58 | |
| 59 | #include "mptbase.h" |
| 60 | #include "mptscsih.h" |
| 61 | |
| 62 | |
| 63 | #define my_NAME "Fusion MPT SAS Host driver" |
| 64 | #define my_VERSION MPT_LINUX_VERSION_COMMON |
| 65 | #define MYNAM "mptsas" |
| 66 | |
| 67 | MODULE_AUTHOR(MODULEAUTHOR); |
| 68 | MODULE_DESCRIPTION(my_NAME); |
| 69 | MODULE_LICENSE("GPL"); |
| 70 | |
| 71 | static int mpt_pq_filter; |
| 72 | module_param(mpt_pq_filter, int, 0); |
| 73 | MODULE_PARM_DESC(mpt_pq_filter, |
| 74 | "Enable peripheral qualifier filter: enable=1 " |
| 75 | "(default=0)"); |
| 76 | |
| 77 | static int mpt_pt_clear; |
| 78 | module_param(mpt_pt_clear, int, 0); |
| 79 | MODULE_PARM_DESC(mpt_pt_clear, |
| 80 | "Clear persistency table: enable=1 " |
| 81 | "(default=MPTSCSIH_PT_CLEAR=0)"); |
| 82 | |
| 83 | static int mptsasDoneCtx = -1; |
| 84 | static int mptsasTaskCtx = -1; |
| 85 | static int mptsasInternalCtx = -1; /* Used only for internal commands */ |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 86 | static int mptsasMgmtCtx = -1; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 87 | |
| 88 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 89 | enum mptsas_hotplug_action { |
| 90 | MPTSAS_ADD_DEVICE, |
| 91 | MPTSAS_DEL_DEVICE, |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 92 | MPTSAS_ADD_RAID, |
| 93 | MPTSAS_DEL_RAID, |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 94 | MPTSAS_IGNORE_EVENT, |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 95 | }; |
| 96 | |
| 97 | struct mptsas_hotplug_event { |
| 98 | struct work_struct work; |
| 99 | MPT_ADAPTER *ioc; |
| 100 | enum mptsas_hotplug_action event_type; |
| 101 | u64 sas_address; |
| 102 | u32 channel; |
| 103 | u32 id; |
| 104 | u32 device_info; |
| 105 | u16 handle; |
| 106 | u16 parent_handle; |
| 107 | u8 phy_id; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 108 | u8 phys_disk_num; |
| 109 | u8 phys_disk_num_valid; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 110 | }; |
| 111 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 112 | struct mptsas_discovery_event { |
| 113 | struct work_struct work; |
| 114 | MPT_ADAPTER *ioc; |
| 115 | }; |
| 116 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 117 | /* |
| 118 | * SAS topology structures |
| 119 | * |
| 120 | * The MPT Fusion firmware interface spreads information about the |
| 121 | * SAS topology over many manufacture pages, thus we need some data |
| 122 | * structure to collect it and process it for the SAS transport class. |
| 123 | */ |
| 124 | |
| 125 | struct mptsas_devinfo { |
| 126 | u16 handle; /* unique id to address this device */ |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 127 | u16 handle_parent; /* unique id to address parent device */ |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 128 | u16 handle_enclosure; /* enclosure identifier of the enclosure */ |
| 129 | u16 slot; /* physical slot in enclosure */ |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 130 | u8 phy_id; /* phy number of parent device */ |
| 131 | u8 port_id; /* sas physical port this device |
| 132 | is assoc'd with */ |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 133 | u8 id; /* logical target id of this device */ |
| 134 | u8 channel; /* logical bus number of this device */ |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 135 | u64 sas_address; /* WWN of this device, |
| 136 | SATA is assigned by HBA,expander */ |
| 137 | u32 device_info; /* bitfield detailed info about this device */ |
| 138 | }; |
| 139 | |
| 140 | struct mptsas_phyinfo { |
| 141 | u8 phy_id; /* phy index */ |
| 142 | u8 port_id; /* port number this phy is part of */ |
| 143 | u8 negotiated_link_rate; /* nego'd link rate for this phy */ |
| 144 | u8 hw_link_rate; /* hardware max/min phys link rate */ |
| 145 | u8 programmed_link_rate; /* programmed max/min phy link rate */ |
| 146 | struct mptsas_devinfo identify; /* point to phy device info */ |
| 147 | struct mptsas_devinfo attached; /* point to attached device info */ |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 148 | struct sas_phy *phy; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 149 | struct sas_rphy *rphy; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 150 | struct scsi_target *starget; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 151 | }; |
| 152 | |
| 153 | struct mptsas_portinfo { |
| 154 | struct list_head list; |
| 155 | u16 handle; /* unique id to address this */ |
| 156 | u8 num_phys; /* number of phys */ |
| 157 | struct mptsas_phyinfo *phy_info; |
| 158 | }; |
| 159 | |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 160 | struct mptsas_enclosure { |
| 161 | u64 enclosure_logical_id; /* The WWN for the enclosure */ |
| 162 | u16 enclosure_handle; /* unique id to address this */ |
| 163 | u16 flags; /* details enclosure management */ |
| 164 | u16 num_slot; /* num slots */ |
| 165 | u16 start_slot; /* first slot */ |
| 166 | u8 start_id; /* starting logical target id */ |
| 167 | u8 start_channel; /* starting logical channel id */ |
| 168 | u8 sep_id; /* SEP device logical target id */ |
| 169 | u8 sep_channel; /* SEP channel logical channel id */ |
| 170 | }; |
| 171 | |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 172 | #ifdef SASDEBUG |
| 173 | static void mptsas_print_phy_data(MPI_SAS_IO_UNIT0_PHY_DATA *phy_data) |
| 174 | { |
| 175 | printk("---- IO UNIT PAGE 0 ------------\n"); |
| 176 | printk("Handle=0x%X\n", |
| 177 | le16_to_cpu(phy_data->AttachedDeviceHandle)); |
| 178 | printk("Controller Handle=0x%X\n", |
| 179 | le16_to_cpu(phy_data->ControllerDevHandle)); |
| 180 | printk("Port=0x%X\n", phy_data->Port); |
| 181 | printk("Port Flags=0x%X\n", phy_data->PortFlags); |
| 182 | printk("PHY Flags=0x%X\n", phy_data->PhyFlags); |
| 183 | printk("Negotiated Link Rate=0x%X\n", phy_data->NegotiatedLinkRate); |
| 184 | printk("Controller PHY Device Info=0x%X\n", |
| 185 | le32_to_cpu(phy_data->ControllerPhyDeviceInfo)); |
| 186 | printk("DiscoveryStatus=0x%X\n", |
| 187 | le32_to_cpu(phy_data->DiscoveryStatus)); |
| 188 | printk("\n"); |
| 189 | } |
| 190 | |
| 191 | static void mptsas_print_phy_pg0(SasPhyPage0_t *pg0) |
| 192 | { |
| 193 | __le64 sas_address; |
| 194 | |
| 195 | memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); |
| 196 | |
| 197 | printk("---- SAS PHY PAGE 0 ------------\n"); |
| 198 | printk("Attached Device Handle=0x%X\n", |
| 199 | le16_to_cpu(pg0->AttachedDevHandle)); |
| 200 | printk("SAS Address=0x%llX\n", |
| 201 | (unsigned long long)le64_to_cpu(sas_address)); |
| 202 | printk("Attached PHY Identifier=0x%X\n", pg0->AttachedPhyIdentifier); |
| 203 | printk("Attached Device Info=0x%X\n", |
| 204 | le32_to_cpu(pg0->AttachedDeviceInfo)); |
| 205 | printk("Programmed Link Rate=0x%X\n", pg0->ProgrammedLinkRate); |
| 206 | printk("Change Count=0x%X\n", pg0->ChangeCount); |
| 207 | printk("PHY Info=0x%X\n", le32_to_cpu(pg0->PhyInfo)); |
| 208 | printk("\n"); |
| 209 | } |
| 210 | |
| 211 | static void mptsas_print_phy_pg1(SasPhyPage1_t *pg1) |
| 212 | { |
| 213 | printk("---- SAS PHY PAGE 1 ------------\n"); |
Christoph Hellwig | f9a2d2e | 2005-10-19 20:01:47 +0200 | [diff] [blame] | 214 | printk("Invalid Dword Count=0x%x\n", pg1->InvalidDwordCount); |
| 215 | printk("Running Disparity Error Count=0x%x\n", |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 216 | pg1->RunningDisparityErrorCount); |
Christoph Hellwig | f9a2d2e | 2005-10-19 20:01:47 +0200 | [diff] [blame] | 217 | printk("Loss Dword Synch Count=0x%x\n", pg1->LossDwordSynchCount); |
| 218 | printk("PHY Reset Problem Count=0x%x\n", pg1->PhyResetProblemCount); |
| 219 | printk("\n"); |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 220 | } |
| 221 | |
| 222 | static void mptsas_print_device_pg0(SasDevicePage0_t *pg0) |
| 223 | { |
| 224 | __le64 sas_address; |
| 225 | |
| 226 | memcpy(&sas_address, &pg0->SASAddress, sizeof(__le64)); |
| 227 | |
| 228 | printk("---- SAS DEVICE PAGE 0 ---------\n"); |
| 229 | printk("Handle=0x%X\n" ,le16_to_cpu(pg0->DevHandle)); |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 230 | printk("Parent Handle=0x%X\n" ,le16_to_cpu(pg0->ParentDevHandle)); |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 231 | printk("Enclosure Handle=0x%X\n", le16_to_cpu(pg0->EnclosureHandle)); |
| 232 | printk("Slot=0x%X\n", le16_to_cpu(pg0->Slot)); |
| 233 | printk("SAS Address=0x%llX\n", le64_to_cpu(sas_address)); |
| 234 | printk("Target ID=0x%X\n", pg0->TargetID); |
| 235 | printk("Bus=0x%X\n", pg0->Bus); |
Christoph Hellwig | f9a2d2e | 2005-10-19 20:01:47 +0200 | [diff] [blame] | 236 | /* The PhyNum field specifies the PHY number of the parent |
| 237 | * device this device is linked to |
| 238 | */ |
| 239 | printk("Parent Phy Num=0x%X\n", pg0->PhyNum); |
| 240 | printk("Access Status=0x%X\n", le16_to_cpu(pg0->AccessStatus)); |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 241 | printk("Device Info=0x%X\n", le32_to_cpu(pg0->DeviceInfo)); |
| 242 | printk("Flags=0x%X\n", le16_to_cpu(pg0->Flags)); |
| 243 | printk("Physical Port=0x%X\n", pg0->PhysicalPort); |
| 244 | printk("\n"); |
| 245 | } |
| 246 | |
| 247 | static void mptsas_print_expander_pg1(SasExpanderPage1_t *pg1) |
| 248 | { |
| 249 | printk("---- SAS EXPANDER PAGE 1 ------------\n"); |
| 250 | |
| 251 | printk("Physical Port=0x%X\n", pg1->PhysicalPort); |
Christoph Hellwig | f9a2d2e | 2005-10-19 20:01:47 +0200 | [diff] [blame] | 252 | printk("PHY Identifier=0x%X\n", pg1->PhyIdentifier); |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 253 | printk("Negotiated Link Rate=0x%X\n", pg1->NegotiatedLinkRate); |
| 254 | printk("Programmed Link Rate=0x%X\n", pg1->ProgrammedLinkRate); |
| 255 | printk("Hardware Link Rate=0x%X\n", pg1->HwLinkRate); |
| 256 | printk("Owner Device Handle=0x%X\n", |
| 257 | le16_to_cpu(pg1->OwnerDevHandle)); |
| 258 | printk("Attached Device Handle=0x%X\n", |
| 259 | le16_to_cpu(pg1->AttachedDevHandle)); |
| 260 | } |
| 261 | #else |
| 262 | #define mptsas_print_phy_data(phy_data) do { } while (0) |
| 263 | #define mptsas_print_phy_pg0(pg0) do { } while (0) |
| 264 | #define mptsas_print_phy_pg1(pg1) do { } while (0) |
| 265 | #define mptsas_print_device_pg0(pg0) do { } while (0) |
| 266 | #define mptsas_print_expander_pg1(pg1) do { } while (0) |
| 267 | #endif |
| 268 | |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 269 | static inline MPT_ADAPTER *phy_to_ioc(struct sas_phy *phy) |
| 270 | { |
| 271 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); |
| 272 | return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; |
| 273 | } |
| 274 | |
| 275 | static inline MPT_ADAPTER *rphy_to_ioc(struct sas_rphy *rphy) |
| 276 | { |
| 277 | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); |
| 278 | return ((MPT_SCSI_HOST *)shost->hostdata)->ioc; |
| 279 | } |
| 280 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 281 | /* |
| 282 | * mptsas_find_portinfo_by_handle |
| 283 | * |
| 284 | * This function should be called with the sas_topology_mutex already held |
| 285 | */ |
| 286 | static struct mptsas_portinfo * |
| 287 | mptsas_find_portinfo_by_handle(MPT_ADAPTER *ioc, u16 handle) |
| 288 | { |
| 289 | struct mptsas_portinfo *port_info, *rc=NULL; |
| 290 | int i; |
| 291 | |
| 292 | list_for_each_entry(port_info, &ioc->sas_topology, list) |
| 293 | for (i = 0; i < port_info->num_phys; i++) |
| 294 | if (port_info->phy_info[i].identify.handle == handle) { |
| 295 | rc = port_info; |
| 296 | goto out; |
| 297 | } |
| 298 | out: |
| 299 | return rc; |
| 300 | } |
| 301 | |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 302 | /* |
| 303 | * Returns true if there is a scsi end device |
| 304 | */ |
| 305 | static inline int |
| 306 | mptsas_is_end_device(struct mptsas_devinfo * attached) |
| 307 | { |
| 308 | if ((attached->handle) && |
| 309 | (attached->device_info & |
| 310 | MPI_SAS_DEVICE_INFO_END_DEVICE) && |
| 311 | ((attached->device_info & |
| 312 | MPI_SAS_DEVICE_INFO_SSP_TARGET) | |
| 313 | (attached->device_info & |
| 314 | MPI_SAS_DEVICE_INFO_STP_TARGET) | |
| 315 | (attached->device_info & |
| 316 | MPI_SAS_DEVICE_INFO_SATA_DEVICE))) |
| 317 | return 1; |
| 318 | else |
| 319 | return 0; |
| 320 | } |
| 321 | |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 322 | static int |
Moore, Eric | 5243543 | 2006-03-14 09:14:15 -0700 | [diff] [blame] | 323 | mptsas_sas_enclosure_pg0(MPT_ADAPTER *ioc, struct mptsas_enclosure *enclosure, |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 324 | u32 form, u32 form_specific) |
| 325 | { |
| 326 | ConfigExtendedPageHeader_t hdr; |
| 327 | CONFIGPARMS cfg; |
| 328 | SasEnclosurePage0_t *buffer; |
| 329 | dma_addr_t dma_handle; |
| 330 | int error; |
| 331 | __le64 le_identifier; |
| 332 | |
| 333 | memset(&hdr, 0, sizeof(hdr)); |
| 334 | hdr.PageVersion = MPI_SASENCLOSURE0_PAGEVERSION; |
| 335 | hdr.PageNumber = 0; |
| 336 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 337 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_ENCLOSURE; |
| 338 | |
| 339 | cfg.cfghdr.ehdr = &hdr; |
| 340 | cfg.physAddr = -1; |
| 341 | cfg.pageAddr = form + form_specific; |
| 342 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 343 | cfg.dir = 0; /* read */ |
| 344 | cfg.timeout = 10; |
| 345 | |
| 346 | error = mpt_config(ioc, &cfg); |
| 347 | if (error) |
| 348 | goto out; |
| 349 | if (!hdr.ExtPageLength) { |
| 350 | error = -ENXIO; |
| 351 | goto out; |
| 352 | } |
| 353 | |
| 354 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 355 | &dma_handle); |
| 356 | if (!buffer) { |
| 357 | error = -ENOMEM; |
| 358 | goto out; |
| 359 | } |
| 360 | |
| 361 | cfg.physAddr = dma_handle; |
| 362 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 363 | |
| 364 | error = mpt_config(ioc, &cfg); |
| 365 | if (error) |
| 366 | goto out_free_consistent; |
| 367 | |
| 368 | /* save config data */ |
| 369 | memcpy(&le_identifier, &buffer->EnclosureLogicalID, sizeof(__le64)); |
| 370 | enclosure->enclosure_logical_id = le64_to_cpu(le_identifier); |
| 371 | enclosure->enclosure_handle = le16_to_cpu(buffer->EnclosureHandle); |
| 372 | enclosure->flags = le16_to_cpu(buffer->Flags); |
| 373 | enclosure->num_slot = le16_to_cpu(buffer->NumSlots); |
| 374 | enclosure->start_slot = le16_to_cpu(buffer->StartSlot); |
| 375 | enclosure->start_id = buffer->StartTargetID; |
| 376 | enclosure->start_channel = buffer->StartBus; |
| 377 | enclosure->sep_id = buffer->SEPTargetID; |
| 378 | enclosure->sep_channel = buffer->SEPBus; |
| 379 | |
| 380 | out_free_consistent: |
| 381 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 382 | buffer, dma_handle); |
| 383 | out: |
| 384 | return error; |
| 385 | } |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 386 | |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 387 | static int |
| 388 | mptsas_slave_configure(struct scsi_device *sdev) |
| 389 | { |
Moore, Eric | 3c0c25b | 2006-04-13 16:08:17 -0600 | [diff] [blame] | 390 | struct Scsi_Host *host = sdev->host; |
| 391 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| 392 | |
| 393 | /* |
| 394 | * RAID volumes placed beyond the last expected port. |
| 395 | * Ignore sending sas mode pages in that case.. |
| 396 | */ |
| 397 | if (sdev->channel < hd->ioc->num_ports) |
| 398 | sas_read_port_mode_page(sdev); |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 399 | |
| 400 | return mptscsih_slave_configure(sdev); |
| 401 | } |
| 402 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 403 | /* |
| 404 | * This is pretty ugly. We will be able to seriously clean it up |
| 405 | * once the DV code in mptscsih goes away and we can properly |
| 406 | * implement ->target_alloc. |
| 407 | */ |
| 408 | static int |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 409 | mptsas_slave_alloc(struct scsi_device *sdev) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 410 | { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 411 | struct Scsi_Host *host = sdev->host; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 412 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| 413 | struct sas_rphy *rphy; |
| 414 | struct mptsas_portinfo *p; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 415 | VirtTarget *vtarget; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 416 | VirtDevice *vdev; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 417 | struct scsi_target *starget; |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 418 | u32 target_id; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 419 | int i; |
| 420 | |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 421 | vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 422 | if (!vdev) { |
| 423 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", |
| 424 | hd->ioc->name, sizeof(VirtDevice)); |
| 425 | return -ENOMEM; |
| 426 | } |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 427 | sdev->hostdata = vdev; |
| 428 | starget = scsi_target(sdev); |
| 429 | vtarget = starget->hostdata; |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 430 | vtarget->ioc_id = hd->ioc->id; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 431 | vdev->vtarget = vtarget; |
| 432 | if (vtarget->num_luns == 0) { |
| 433 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY; |
| 434 | hd->Targets[sdev->id] = vtarget; |
| 435 | } |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 436 | |
Moore, Eric | 816aa90 | 2006-01-13 16:25:20 -0700 | [diff] [blame] | 437 | /* |
| 438 | RAID volumes placed beyond the last expected port. |
| 439 | */ |
| 440 | if (sdev->channel == hd->ioc->num_ports) { |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 441 | target_id = sdev->id; |
| 442 | vtarget->bus_id = 0; |
Moore, Eric | 816aa90 | 2006-01-13 16:25:20 -0700 | [diff] [blame] | 443 | vdev->lun = 0; |
| 444 | goto out; |
| 445 | } |
| 446 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 447 | rphy = dev_to_rphy(sdev->sdev_target->dev.parent); |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 448 | mutex_lock(&hd->ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 449 | list_for_each_entry(p, &hd->ioc->sas_topology, list) { |
| 450 | for (i = 0; i < p->num_phys; i++) { |
| 451 | if (p->phy_info[i].attached.sas_address == |
| 452 | rphy->identify.sas_address) { |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 453 | target_id = p->phy_info[i].attached.id; |
| 454 | vtarget->bus_id = p->phy_info[i].attached.channel; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 455 | vdev->lun = sdev->lun; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 456 | p->phy_info[i].starget = sdev->sdev_target; |
| 457 | /* |
| 458 | * Exposing hidden disk (RAID) |
| 459 | */ |
| 460 | if (mptscsih_is_phys_disk(hd->ioc, target_id)) { |
| 461 | target_id = mptscsih_raid_id_to_num(hd, |
| 462 | target_id); |
| 463 | vdev->vtarget->tflags |= |
| 464 | MPT_TARGET_FLAGS_RAID_COMPONENT; |
| 465 | sdev->no_uld_attach = 1; |
| 466 | } |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 467 | mutex_unlock(&hd->ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 468 | goto out; |
| 469 | } |
| 470 | } |
| 471 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 472 | mutex_unlock(&hd->ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 473 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 474 | kfree(vdev); |
Christoph Hellwig | 23f236e | 2006-01-30 19:00:43 +0100 | [diff] [blame] | 475 | return -ENXIO; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 476 | |
| 477 | out: |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 478 | vtarget->target_id = target_id; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 479 | vtarget->num_luns++; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 480 | return 0; |
| 481 | } |
| 482 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 483 | static void |
| 484 | mptsas_slave_destroy(struct scsi_device *sdev) |
| 485 | { |
| 486 | struct Scsi_Host *host = sdev->host; |
| 487 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
Moore, Eric | 7d3eecf | 2006-01-25 18:05:12 -0700 | [diff] [blame] | 488 | VirtDevice *vdev; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 489 | |
| 490 | /* |
Moore, Eric | 7d3eecf | 2006-01-25 18:05:12 -0700 | [diff] [blame] | 491 | * Issue target reset to flush firmware outstanding commands. |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 492 | */ |
Moore, Eric | 7d3eecf | 2006-01-25 18:05:12 -0700 | [diff] [blame] | 493 | vdev = sdev->hostdata; |
| 494 | if (vdev->configured_lun){ |
| 495 | if (mptscsih_TMHandler(hd, |
| 496 | MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 497 | vdev->vtarget->bus_id, |
| 498 | vdev->vtarget->target_id, |
Moore, Eric | 7d3eecf | 2006-01-25 18:05:12 -0700 | [diff] [blame] | 499 | 0, 0, 5 /* 5 second timeout */) |
| 500 | < 0){ |
| 501 | |
| 502 | /* The TM request failed! |
| 503 | * Fatal error case. |
| 504 | */ |
| 505 | printk(MYIOC_s_WARN_FMT |
| 506 | "Error processing TaskMgmt id=%d TARGET_RESET\n", |
| 507 | hd->ioc->name, |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 508 | vdev->vtarget->target_id); |
Moore, Eric | 7d3eecf | 2006-01-25 18:05:12 -0700 | [diff] [blame] | 509 | |
| 510 | hd->tmPending = 0; |
| 511 | hd->tmState = TM_STATE_NONE; |
| 512 | } |
| 513 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 514 | mptscsih_slave_destroy(sdev); |
| 515 | } |
| 516 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 517 | static struct scsi_host_template mptsas_driver_template = { |
Moore, Eric Dean | f78496d | 2005-11-16 18:54:14 -0700 | [diff] [blame] | 518 | .module = THIS_MODULE, |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 519 | .proc_name = "mptsas", |
| 520 | .proc_info = mptscsih_proc_info, |
| 521 | .name = "MPT SPI Host", |
| 522 | .info = mptscsih_info, |
| 523 | .queuecommand = mptscsih_qcmd, |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 524 | .target_alloc = mptscsih_target_alloc, |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 525 | .slave_alloc = mptsas_slave_alloc, |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 526 | .slave_configure = mptsas_slave_configure, |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 527 | .target_destroy = mptscsih_target_destroy, |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 528 | .slave_destroy = mptsas_slave_destroy, |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 529 | .change_queue_depth = mptscsih_change_queue_depth, |
| 530 | .eh_abort_handler = mptscsih_abort, |
| 531 | .eh_device_reset_handler = mptscsih_dev_reset, |
| 532 | .eh_bus_reset_handler = mptscsih_bus_reset, |
| 533 | .eh_host_reset_handler = mptscsih_host_reset, |
| 534 | .bios_param = mptscsih_bios_param, |
| 535 | .can_queue = MPT_FC_CAN_QUEUE, |
| 536 | .this_id = -1, |
| 537 | .sg_tablesize = MPT_SCSI_SG_DEPTH, |
| 538 | .max_sectors = 8192, |
| 539 | .cmd_per_lun = 7, |
| 540 | .use_clustering = ENABLE_CLUSTERING, |
| 541 | }; |
| 542 | |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 543 | static int mptsas_get_linkerrors(struct sas_phy *phy) |
| 544 | { |
| 545 | MPT_ADAPTER *ioc = phy_to_ioc(phy); |
| 546 | ConfigExtendedPageHeader_t hdr; |
| 547 | CONFIGPARMS cfg; |
| 548 | SasPhyPage1_t *buffer; |
| 549 | dma_addr_t dma_handle; |
| 550 | int error; |
| 551 | |
| 552 | hdr.PageVersion = MPI_SASPHY1_PAGEVERSION; |
| 553 | hdr.ExtPageLength = 0; |
| 554 | hdr.PageNumber = 1 /* page number 1*/; |
| 555 | hdr.Reserved1 = 0; |
| 556 | hdr.Reserved2 = 0; |
| 557 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 558 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; |
| 559 | |
| 560 | cfg.cfghdr.ehdr = &hdr; |
| 561 | cfg.physAddr = -1; |
| 562 | cfg.pageAddr = phy->identify.phy_identifier; |
| 563 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 564 | cfg.dir = 0; /* read */ |
| 565 | cfg.timeout = 10; |
| 566 | |
| 567 | error = mpt_config(ioc, &cfg); |
| 568 | if (error) |
| 569 | return error; |
| 570 | if (!hdr.ExtPageLength) |
| 571 | return -ENXIO; |
| 572 | |
| 573 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 574 | &dma_handle); |
| 575 | if (!buffer) |
| 576 | return -ENOMEM; |
| 577 | |
| 578 | cfg.physAddr = dma_handle; |
| 579 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 580 | |
| 581 | error = mpt_config(ioc, &cfg); |
| 582 | if (error) |
| 583 | goto out_free_consistent; |
| 584 | |
| 585 | mptsas_print_phy_pg1(buffer); |
| 586 | |
| 587 | phy->invalid_dword_count = le32_to_cpu(buffer->InvalidDwordCount); |
| 588 | phy->running_disparity_error_count = |
| 589 | le32_to_cpu(buffer->RunningDisparityErrorCount); |
| 590 | phy->loss_of_dword_sync_count = |
| 591 | le32_to_cpu(buffer->LossDwordSynchCount); |
| 592 | phy->phy_reset_problem_count = |
| 593 | le32_to_cpu(buffer->PhyResetProblemCount); |
| 594 | |
| 595 | out_free_consistent: |
| 596 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 597 | buffer, dma_handle); |
| 598 | return error; |
| 599 | } |
| 600 | |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 601 | static int mptsas_mgmt_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, |
| 602 | MPT_FRAME_HDR *reply) |
| 603 | { |
| 604 | ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_COMMAND_GOOD; |
| 605 | if (reply != NULL) { |
| 606 | ioc->sas_mgmt.status |= MPT_SAS_MGMT_STATUS_RF_VALID; |
| 607 | memcpy(ioc->sas_mgmt.reply, reply, |
| 608 | min(ioc->reply_sz, 4 * reply->u.reply.MsgLength)); |
| 609 | } |
| 610 | complete(&ioc->sas_mgmt.done); |
| 611 | return 1; |
| 612 | } |
| 613 | |
| 614 | static int mptsas_phy_reset(struct sas_phy *phy, int hard_reset) |
| 615 | { |
| 616 | MPT_ADAPTER *ioc = phy_to_ioc(phy); |
| 617 | SasIoUnitControlRequest_t *req; |
| 618 | SasIoUnitControlReply_t *reply; |
| 619 | MPT_FRAME_HDR *mf; |
| 620 | MPIHeader_t *hdr; |
| 621 | unsigned long timeleft; |
| 622 | int error = -ERESTARTSYS; |
| 623 | |
| 624 | /* not implemented for expanders */ |
| 625 | if (phy->identify.target_port_protocols & SAS_PROTOCOL_SMP) |
| 626 | return -ENXIO; |
| 627 | |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 628 | if (mutex_lock_interruptible(&ioc->sas_mgmt.mutex)) |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 629 | goto out; |
| 630 | |
| 631 | mf = mpt_get_msg_frame(mptsasMgmtCtx, ioc); |
| 632 | if (!mf) { |
| 633 | error = -ENOMEM; |
| 634 | goto out_unlock; |
| 635 | } |
| 636 | |
| 637 | hdr = (MPIHeader_t *) mf; |
| 638 | req = (SasIoUnitControlRequest_t *)mf; |
| 639 | memset(req, 0, sizeof(SasIoUnitControlRequest_t)); |
| 640 | req->Function = MPI_FUNCTION_SAS_IO_UNIT_CONTROL; |
| 641 | req->MsgContext = hdr->MsgContext; |
| 642 | req->Operation = hard_reset ? |
| 643 | MPI_SAS_OP_PHY_HARD_RESET : MPI_SAS_OP_PHY_LINK_RESET; |
| 644 | req->PhyNum = phy->identify.phy_identifier; |
| 645 | |
| 646 | mpt_put_msg_frame(mptsasMgmtCtx, ioc, mf); |
| 647 | |
| 648 | timeleft = wait_for_completion_timeout(&ioc->sas_mgmt.done, |
| 649 | 10 * HZ); |
| 650 | if (!timeleft) { |
| 651 | /* On timeout reset the board */ |
| 652 | mpt_free_msg_frame(ioc, mf); |
| 653 | mpt_HardResetHandler(ioc, CAN_SLEEP); |
| 654 | error = -ETIMEDOUT; |
| 655 | goto out_unlock; |
| 656 | } |
| 657 | |
| 658 | /* a reply frame is expected */ |
| 659 | if ((ioc->sas_mgmt.status & |
| 660 | MPT_IOCTL_STATUS_RF_VALID) == 0) { |
| 661 | error = -ENXIO; |
| 662 | goto out_unlock; |
| 663 | } |
| 664 | |
| 665 | /* process the completed Reply Message Frame */ |
| 666 | reply = (SasIoUnitControlReply_t *)ioc->sas_mgmt.reply; |
| 667 | if (reply->IOCStatus != MPI_IOCSTATUS_SUCCESS) { |
| 668 | printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n", |
| 669 | __FUNCTION__, |
| 670 | reply->IOCStatus, |
| 671 | reply->IOCLogInfo); |
| 672 | error = -ENXIO; |
| 673 | goto out_unlock; |
| 674 | } |
| 675 | |
| 676 | error = 0; |
| 677 | |
| 678 | out_unlock: |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 679 | mutex_unlock(&ioc->sas_mgmt.mutex); |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 680 | out: |
| 681 | return error; |
| 682 | } |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 683 | |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 684 | static int |
| 685 | mptsas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) |
| 686 | { |
| 687 | MPT_ADAPTER *ioc = rphy_to_ioc(rphy); |
| 688 | int i, error; |
| 689 | struct mptsas_portinfo *p; |
| 690 | struct mptsas_enclosure enclosure_info; |
| 691 | u64 enclosure_handle; |
| 692 | |
| 693 | mutex_lock(&ioc->sas_topology_mutex); |
| 694 | list_for_each_entry(p, &ioc->sas_topology, list) { |
| 695 | for (i = 0; i < p->num_phys; i++) { |
| 696 | if (p->phy_info[i].attached.sas_address == |
| 697 | rphy->identify.sas_address) { |
| 698 | enclosure_handle = p->phy_info[i]. |
| 699 | attached.handle_enclosure; |
| 700 | goto found_info; |
| 701 | } |
| 702 | } |
| 703 | } |
| 704 | mutex_unlock(&ioc->sas_topology_mutex); |
| 705 | return -ENXIO; |
| 706 | |
| 707 | found_info: |
| 708 | mutex_unlock(&ioc->sas_topology_mutex); |
| 709 | memset(&enclosure_info, 0, sizeof(struct mptsas_enclosure)); |
Moore, Eric | 5243543 | 2006-03-14 09:14:15 -0700 | [diff] [blame] | 710 | error = mptsas_sas_enclosure_pg0(ioc, &enclosure_info, |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 711 | (MPI_SAS_ENCLOS_PGAD_FORM_HANDLE << |
| 712 | MPI_SAS_ENCLOS_PGAD_FORM_SHIFT), enclosure_handle); |
| 713 | if (!error) |
| 714 | *identifier = enclosure_info.enclosure_logical_id; |
| 715 | return error; |
| 716 | } |
| 717 | |
| 718 | static int |
| 719 | mptsas_get_bay_identifier(struct sas_rphy *rphy) |
| 720 | { |
| 721 | MPT_ADAPTER *ioc = rphy_to_ioc(rphy); |
| 722 | struct mptsas_portinfo *p; |
| 723 | int i, rc; |
| 724 | |
| 725 | mutex_lock(&ioc->sas_topology_mutex); |
| 726 | list_for_each_entry(p, &ioc->sas_topology, list) { |
| 727 | for (i = 0; i < p->num_phys; i++) { |
| 728 | if (p->phy_info[i].attached.sas_address == |
| 729 | rphy->identify.sas_address) { |
| 730 | rc = p->phy_info[i].attached.slot; |
| 731 | goto out; |
| 732 | } |
| 733 | } |
| 734 | } |
| 735 | rc = -ENXIO; |
| 736 | out: |
| 737 | mutex_unlock(&ioc->sas_topology_mutex); |
| 738 | return rc; |
| 739 | } |
| 740 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 741 | static struct sas_function_template mptsas_transport_functions = { |
Christoph Hellwig | b514112 | 2005-10-28 22:07:41 +0200 | [diff] [blame] | 742 | .get_linkerrors = mptsas_get_linkerrors, |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 743 | .get_enclosure_identifier = mptsas_get_enclosure_identifier, |
| 744 | .get_bay_identifier = mptsas_get_bay_identifier, |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 745 | .phy_reset = mptsas_phy_reset, |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 746 | }; |
| 747 | |
| 748 | static struct scsi_transport_template *mptsas_transport_template; |
| 749 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 750 | static int |
| 751 | mptsas_sas_io_unit_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info) |
| 752 | { |
| 753 | ConfigExtendedPageHeader_t hdr; |
| 754 | CONFIGPARMS cfg; |
| 755 | SasIOUnitPage0_t *buffer; |
| 756 | dma_addr_t dma_handle; |
| 757 | int error, i; |
| 758 | |
| 759 | hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION; |
| 760 | hdr.ExtPageLength = 0; |
| 761 | hdr.PageNumber = 0; |
| 762 | hdr.Reserved1 = 0; |
| 763 | hdr.Reserved2 = 0; |
| 764 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 765 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT; |
| 766 | |
| 767 | cfg.cfghdr.ehdr = &hdr; |
| 768 | cfg.physAddr = -1; |
| 769 | cfg.pageAddr = 0; |
| 770 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 771 | cfg.dir = 0; /* read */ |
| 772 | cfg.timeout = 10; |
| 773 | |
| 774 | error = mpt_config(ioc, &cfg); |
| 775 | if (error) |
| 776 | goto out; |
| 777 | if (!hdr.ExtPageLength) { |
| 778 | error = -ENXIO; |
| 779 | goto out; |
| 780 | } |
| 781 | |
| 782 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 783 | &dma_handle); |
| 784 | if (!buffer) { |
| 785 | error = -ENOMEM; |
| 786 | goto out; |
| 787 | } |
| 788 | |
| 789 | cfg.physAddr = dma_handle; |
| 790 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 791 | |
| 792 | error = mpt_config(ioc, &cfg); |
| 793 | if (error) |
| 794 | goto out_free_consistent; |
| 795 | |
| 796 | port_info->num_phys = buffer->NumPhys; |
| 797 | port_info->phy_info = kcalloc(port_info->num_phys, |
| 798 | sizeof(struct mptsas_phyinfo),GFP_KERNEL); |
| 799 | if (!port_info->phy_info) { |
| 800 | error = -ENOMEM; |
| 801 | goto out_free_consistent; |
| 802 | } |
| 803 | |
Moore, Eric | db9c917 | 2006-03-14 09:14:18 -0700 | [diff] [blame] | 804 | if (port_info->num_phys) |
| 805 | port_info->handle = |
| 806 | le16_to_cpu(buffer->PhyData[0].ControllerDevHandle); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 807 | for (i = 0; i < port_info->num_phys; i++) { |
| 808 | mptsas_print_phy_data(&buffer->PhyData[i]); |
| 809 | port_info->phy_info[i].phy_id = i; |
| 810 | port_info->phy_info[i].port_id = |
| 811 | buffer->PhyData[i].Port; |
| 812 | port_info->phy_info[i].negotiated_link_rate = |
| 813 | buffer->PhyData[i].NegotiatedLinkRate; |
| 814 | } |
| 815 | |
| 816 | out_free_consistent: |
| 817 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 818 | buffer, dma_handle); |
| 819 | out: |
| 820 | return error; |
| 821 | } |
| 822 | |
| 823 | static int |
| 824 | mptsas_sas_phy_pg0(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, |
| 825 | u32 form, u32 form_specific) |
| 826 | { |
| 827 | ConfigExtendedPageHeader_t hdr; |
| 828 | CONFIGPARMS cfg; |
| 829 | SasPhyPage0_t *buffer; |
| 830 | dma_addr_t dma_handle; |
| 831 | int error; |
| 832 | |
| 833 | hdr.PageVersion = MPI_SASPHY0_PAGEVERSION; |
| 834 | hdr.ExtPageLength = 0; |
| 835 | hdr.PageNumber = 0; |
| 836 | hdr.Reserved1 = 0; |
| 837 | hdr.Reserved2 = 0; |
| 838 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 839 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_PHY; |
| 840 | |
| 841 | cfg.cfghdr.ehdr = &hdr; |
| 842 | cfg.dir = 0; /* read */ |
| 843 | cfg.timeout = 10; |
| 844 | |
| 845 | /* Get Phy Pg 0 for each Phy. */ |
| 846 | cfg.physAddr = -1; |
| 847 | cfg.pageAddr = form + form_specific; |
| 848 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 849 | |
| 850 | error = mpt_config(ioc, &cfg); |
| 851 | if (error) |
| 852 | goto out; |
| 853 | |
| 854 | if (!hdr.ExtPageLength) { |
| 855 | error = -ENXIO; |
| 856 | goto out; |
| 857 | } |
| 858 | |
| 859 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 860 | &dma_handle); |
| 861 | if (!buffer) { |
| 862 | error = -ENOMEM; |
| 863 | goto out; |
| 864 | } |
| 865 | |
| 866 | cfg.physAddr = dma_handle; |
| 867 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 868 | |
| 869 | error = mpt_config(ioc, &cfg); |
| 870 | if (error) |
| 871 | goto out_free_consistent; |
| 872 | |
| 873 | mptsas_print_phy_pg0(buffer); |
| 874 | |
| 875 | phy_info->hw_link_rate = buffer->HwLinkRate; |
| 876 | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; |
| 877 | phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); |
| 878 | phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); |
| 879 | |
| 880 | out_free_consistent: |
| 881 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 882 | buffer, dma_handle); |
| 883 | out: |
| 884 | return error; |
| 885 | } |
| 886 | |
| 887 | static int |
| 888 | mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info, |
| 889 | u32 form, u32 form_specific) |
| 890 | { |
| 891 | ConfigExtendedPageHeader_t hdr; |
| 892 | CONFIGPARMS cfg; |
| 893 | SasDevicePage0_t *buffer; |
| 894 | dma_addr_t dma_handle; |
| 895 | __le64 sas_address; |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 896 | int error=0; |
| 897 | |
| 898 | if (ioc->sas_discovery_runtime && |
| 899 | mptsas_is_end_device(device_info)) |
| 900 | goto out; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 901 | |
| 902 | hdr.PageVersion = MPI_SASDEVICE0_PAGEVERSION; |
| 903 | hdr.ExtPageLength = 0; |
| 904 | hdr.PageNumber = 0; |
| 905 | hdr.Reserved1 = 0; |
| 906 | hdr.Reserved2 = 0; |
| 907 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 908 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_DEVICE; |
| 909 | |
| 910 | cfg.cfghdr.ehdr = &hdr; |
| 911 | cfg.pageAddr = form + form_specific; |
| 912 | cfg.physAddr = -1; |
| 913 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 914 | cfg.dir = 0; /* read */ |
| 915 | cfg.timeout = 10; |
| 916 | |
Moore, Eric | db9c917 | 2006-03-14 09:14:18 -0700 | [diff] [blame] | 917 | memset(device_info, 0, sizeof(struct mptsas_devinfo)); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 918 | error = mpt_config(ioc, &cfg); |
| 919 | if (error) |
| 920 | goto out; |
| 921 | if (!hdr.ExtPageLength) { |
| 922 | error = -ENXIO; |
| 923 | goto out; |
| 924 | } |
| 925 | |
| 926 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 927 | &dma_handle); |
| 928 | if (!buffer) { |
| 929 | error = -ENOMEM; |
| 930 | goto out; |
| 931 | } |
| 932 | |
| 933 | cfg.physAddr = dma_handle; |
| 934 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 935 | |
| 936 | error = mpt_config(ioc, &cfg); |
| 937 | if (error) |
| 938 | goto out_free_consistent; |
| 939 | |
| 940 | mptsas_print_device_pg0(buffer); |
| 941 | |
| 942 | device_info->handle = le16_to_cpu(buffer->DevHandle); |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 943 | device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle); |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 944 | device_info->handle_enclosure = |
| 945 | le16_to_cpu(buffer->EnclosureHandle); |
| 946 | device_info->slot = le16_to_cpu(buffer->Slot); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 947 | device_info->phy_id = buffer->PhyNum; |
| 948 | device_info->port_id = buffer->PhysicalPort; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 949 | device_info->id = buffer->TargetID; |
| 950 | device_info->channel = buffer->Bus; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 951 | memcpy(&sas_address, &buffer->SASAddress, sizeof(__le64)); |
| 952 | device_info->sas_address = le64_to_cpu(sas_address); |
| 953 | device_info->device_info = |
| 954 | le32_to_cpu(buffer->DeviceInfo); |
| 955 | |
| 956 | out_free_consistent: |
| 957 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 958 | buffer, dma_handle); |
| 959 | out: |
| 960 | return error; |
| 961 | } |
| 962 | |
| 963 | static int |
| 964 | mptsas_sas_expander_pg0(MPT_ADAPTER *ioc, struct mptsas_portinfo *port_info, |
| 965 | u32 form, u32 form_specific) |
| 966 | { |
| 967 | ConfigExtendedPageHeader_t hdr; |
| 968 | CONFIGPARMS cfg; |
| 969 | SasExpanderPage0_t *buffer; |
| 970 | dma_addr_t dma_handle; |
| 971 | int error; |
| 972 | |
| 973 | hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; |
| 974 | hdr.ExtPageLength = 0; |
| 975 | hdr.PageNumber = 0; |
| 976 | hdr.Reserved1 = 0; |
| 977 | hdr.Reserved2 = 0; |
| 978 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 979 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; |
| 980 | |
| 981 | cfg.cfghdr.ehdr = &hdr; |
| 982 | cfg.physAddr = -1; |
| 983 | cfg.pageAddr = form + form_specific; |
| 984 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 985 | cfg.dir = 0; /* read */ |
| 986 | cfg.timeout = 10; |
| 987 | |
Moore, Eric | db9c917 | 2006-03-14 09:14:18 -0700 | [diff] [blame] | 988 | memset(port_info, 0, sizeof(struct mptsas_portinfo)); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 989 | error = mpt_config(ioc, &cfg); |
| 990 | if (error) |
| 991 | goto out; |
| 992 | |
| 993 | if (!hdr.ExtPageLength) { |
| 994 | error = -ENXIO; |
| 995 | goto out; |
| 996 | } |
| 997 | |
| 998 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 999 | &dma_handle); |
| 1000 | if (!buffer) { |
| 1001 | error = -ENOMEM; |
| 1002 | goto out; |
| 1003 | } |
| 1004 | |
| 1005 | cfg.physAddr = dma_handle; |
| 1006 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 1007 | |
| 1008 | error = mpt_config(ioc, &cfg); |
| 1009 | if (error) |
| 1010 | goto out_free_consistent; |
| 1011 | |
| 1012 | /* save config data */ |
| 1013 | port_info->num_phys = buffer->NumPhys; |
| 1014 | port_info->handle = le16_to_cpu(buffer->DevHandle); |
| 1015 | port_info->phy_info = kcalloc(port_info->num_phys, |
| 1016 | sizeof(struct mptsas_phyinfo),GFP_KERNEL); |
| 1017 | if (!port_info->phy_info) { |
| 1018 | error = -ENOMEM; |
| 1019 | goto out_free_consistent; |
| 1020 | } |
| 1021 | |
| 1022 | out_free_consistent: |
| 1023 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 1024 | buffer, dma_handle); |
| 1025 | out: |
| 1026 | return error; |
| 1027 | } |
| 1028 | |
| 1029 | static int |
| 1030 | mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, |
| 1031 | u32 form, u32 form_specific) |
| 1032 | { |
| 1033 | ConfigExtendedPageHeader_t hdr; |
| 1034 | CONFIGPARMS cfg; |
| 1035 | SasExpanderPage1_t *buffer; |
| 1036 | dma_addr_t dma_handle; |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 1037 | int error=0; |
| 1038 | |
| 1039 | if (ioc->sas_discovery_runtime && |
| 1040 | mptsas_is_end_device(&phy_info->attached)) |
| 1041 | goto out; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1042 | |
| 1043 | hdr.PageVersion = MPI_SASEXPANDER0_PAGEVERSION; |
| 1044 | hdr.ExtPageLength = 0; |
| 1045 | hdr.PageNumber = 1; |
| 1046 | hdr.Reserved1 = 0; |
| 1047 | hdr.Reserved2 = 0; |
| 1048 | hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED; |
| 1049 | hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_EXPANDER; |
| 1050 | |
| 1051 | cfg.cfghdr.ehdr = &hdr; |
| 1052 | cfg.physAddr = -1; |
| 1053 | cfg.pageAddr = form + form_specific; |
| 1054 | cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER; |
| 1055 | cfg.dir = 0; /* read */ |
| 1056 | cfg.timeout = 10; |
| 1057 | |
| 1058 | error = mpt_config(ioc, &cfg); |
| 1059 | if (error) |
| 1060 | goto out; |
| 1061 | |
| 1062 | if (!hdr.ExtPageLength) { |
| 1063 | error = -ENXIO; |
| 1064 | goto out; |
| 1065 | } |
| 1066 | |
| 1067 | buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 1068 | &dma_handle); |
| 1069 | if (!buffer) { |
| 1070 | error = -ENOMEM; |
| 1071 | goto out; |
| 1072 | } |
| 1073 | |
| 1074 | cfg.physAddr = dma_handle; |
| 1075 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; |
| 1076 | |
| 1077 | error = mpt_config(ioc, &cfg); |
| 1078 | if (error) |
| 1079 | goto out_free_consistent; |
| 1080 | |
| 1081 | |
| 1082 | mptsas_print_expander_pg1(buffer); |
| 1083 | |
| 1084 | /* save config data */ |
Eric Moore | 024358e | 2005-10-21 20:56:36 +0200 | [diff] [blame] | 1085 | phy_info->phy_id = buffer->PhyIdentifier; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1086 | phy_info->port_id = buffer->PhysicalPort; |
| 1087 | phy_info->negotiated_link_rate = buffer->NegotiatedLinkRate; |
| 1088 | phy_info->programmed_link_rate = buffer->ProgrammedLinkRate; |
| 1089 | phy_info->hw_link_rate = buffer->HwLinkRate; |
| 1090 | phy_info->identify.handle = le16_to_cpu(buffer->OwnerDevHandle); |
| 1091 | phy_info->attached.handle = le16_to_cpu(buffer->AttachedDevHandle); |
| 1092 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1093 | out_free_consistent: |
| 1094 | pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4, |
| 1095 | buffer, dma_handle); |
| 1096 | out: |
| 1097 | return error; |
| 1098 | } |
| 1099 | |
| 1100 | static void |
| 1101 | mptsas_parse_device_info(struct sas_identify *identify, |
| 1102 | struct mptsas_devinfo *device_info) |
| 1103 | { |
| 1104 | u16 protocols; |
| 1105 | |
| 1106 | identify->sas_address = device_info->sas_address; |
| 1107 | identify->phy_identifier = device_info->phy_id; |
| 1108 | |
| 1109 | /* |
| 1110 | * Fill in Phy Initiator Port Protocol. |
| 1111 | * Bits 6:3, more than one bit can be set, fall through cases. |
| 1112 | */ |
| 1113 | protocols = device_info->device_info & 0x78; |
| 1114 | identify->initiator_port_protocols = 0; |
| 1115 | if (protocols & MPI_SAS_DEVICE_INFO_SSP_INITIATOR) |
| 1116 | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; |
| 1117 | if (protocols & MPI_SAS_DEVICE_INFO_STP_INITIATOR) |
| 1118 | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; |
| 1119 | if (protocols & MPI_SAS_DEVICE_INFO_SMP_INITIATOR) |
| 1120 | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; |
| 1121 | if (protocols & MPI_SAS_DEVICE_INFO_SATA_HOST) |
| 1122 | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; |
| 1123 | |
| 1124 | /* |
| 1125 | * Fill in Phy Target Port Protocol. |
| 1126 | * Bits 10:7, more than one bit can be set, fall through cases. |
| 1127 | */ |
| 1128 | protocols = device_info->device_info & 0x780; |
| 1129 | identify->target_port_protocols = 0; |
| 1130 | if (protocols & MPI_SAS_DEVICE_INFO_SSP_TARGET) |
| 1131 | identify->target_port_protocols |= SAS_PROTOCOL_SSP; |
| 1132 | if (protocols & MPI_SAS_DEVICE_INFO_STP_TARGET) |
| 1133 | identify->target_port_protocols |= SAS_PROTOCOL_STP; |
| 1134 | if (protocols & MPI_SAS_DEVICE_INFO_SMP_TARGET) |
| 1135 | identify->target_port_protocols |= SAS_PROTOCOL_SMP; |
| 1136 | if (protocols & MPI_SAS_DEVICE_INFO_SATA_DEVICE) |
| 1137 | identify->target_port_protocols |= SAS_PROTOCOL_SATA; |
| 1138 | |
| 1139 | /* |
| 1140 | * Fill in Attached device type. |
| 1141 | */ |
| 1142 | switch (device_info->device_info & |
| 1143 | MPI_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { |
| 1144 | case MPI_SAS_DEVICE_INFO_NO_DEVICE: |
| 1145 | identify->device_type = SAS_PHY_UNUSED; |
| 1146 | break; |
| 1147 | case MPI_SAS_DEVICE_INFO_END_DEVICE: |
| 1148 | identify->device_type = SAS_END_DEVICE; |
| 1149 | break; |
| 1150 | case MPI_SAS_DEVICE_INFO_EDGE_EXPANDER: |
| 1151 | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; |
| 1152 | break; |
| 1153 | case MPI_SAS_DEVICE_INFO_FANOUT_EXPANDER: |
| 1154 | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; |
| 1155 | break; |
| 1156 | } |
| 1157 | } |
| 1158 | |
| 1159 | static int mptsas_probe_one_phy(struct device *dev, |
Christoph Hellwig | ac01bbb | 2005-10-19 20:01:17 +0200 | [diff] [blame] | 1160 | struct mptsas_phyinfo *phy_info, int index, int local) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1161 | { |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1162 | MPT_ADAPTER *ioc; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1163 | struct sas_phy *phy; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1164 | int error; |
| 1165 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1166 | if (!dev) |
| 1167 | return -ENODEV; |
| 1168 | |
| 1169 | if (!phy_info->phy) { |
| 1170 | phy = sas_phy_alloc(dev, index); |
| 1171 | if (!phy) |
| 1172 | return -ENOMEM; |
| 1173 | } else |
| 1174 | phy = phy_info->phy; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1175 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1176 | phy->port_identifier = phy_info->port_id; |
| 1177 | mptsas_parse_device_info(&phy->identify, &phy_info->identify); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1178 | |
| 1179 | /* |
| 1180 | * Set Negotiated link rate. |
| 1181 | */ |
| 1182 | switch (phy_info->negotiated_link_rate) { |
| 1183 | case MPI_SAS_IOUNIT0_RATE_PHY_DISABLED: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1184 | phy->negotiated_linkrate = SAS_PHY_DISABLED; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1185 | break; |
| 1186 | case MPI_SAS_IOUNIT0_RATE_FAILED_SPEED_NEGOTIATION: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1187 | phy->negotiated_linkrate = SAS_LINK_RATE_FAILED; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1188 | break; |
| 1189 | case MPI_SAS_IOUNIT0_RATE_1_5: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1190 | phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1191 | break; |
| 1192 | case MPI_SAS_IOUNIT0_RATE_3_0: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1193 | phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1194 | break; |
| 1195 | case MPI_SAS_IOUNIT0_RATE_SATA_OOB_COMPLETE: |
| 1196 | case MPI_SAS_IOUNIT0_RATE_UNKNOWN: |
| 1197 | default: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1198 | phy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1199 | break; |
| 1200 | } |
| 1201 | |
| 1202 | /* |
| 1203 | * Set Max hardware link rate. |
| 1204 | */ |
| 1205 | switch (phy_info->hw_link_rate & MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { |
| 1206 | case MPI_SAS_PHY0_HWRATE_MAX_RATE_1_5: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1207 | phy->maximum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1208 | break; |
| 1209 | case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1210 | phy->maximum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1211 | break; |
| 1212 | default: |
| 1213 | break; |
| 1214 | } |
| 1215 | |
| 1216 | /* |
| 1217 | * Set Max programmed link rate. |
| 1218 | */ |
| 1219 | switch (phy_info->programmed_link_rate & |
| 1220 | MPI_SAS_PHY0_PRATE_MAX_RATE_MASK) { |
| 1221 | case MPI_SAS_PHY0_PRATE_MAX_RATE_1_5: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1222 | phy->maximum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1223 | break; |
| 1224 | case MPI_SAS_PHY0_PRATE_MAX_RATE_3_0: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1225 | phy->maximum_linkrate = SAS_LINK_RATE_3_0_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1226 | break; |
| 1227 | default: |
| 1228 | break; |
| 1229 | } |
| 1230 | |
| 1231 | /* |
| 1232 | * Set Min hardware link rate. |
| 1233 | */ |
| 1234 | switch (phy_info->hw_link_rate & MPI_SAS_PHY0_HWRATE_MIN_RATE_MASK) { |
| 1235 | case MPI_SAS_PHY0_HWRATE_MIN_RATE_1_5: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1236 | phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1237 | break; |
| 1238 | case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1239 | phy->minimum_linkrate_hw = SAS_LINK_RATE_3_0_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1240 | break; |
| 1241 | default: |
| 1242 | break; |
| 1243 | } |
| 1244 | |
| 1245 | /* |
| 1246 | * Set Min programmed link rate. |
| 1247 | */ |
| 1248 | switch (phy_info->programmed_link_rate & |
| 1249 | MPI_SAS_PHY0_PRATE_MIN_RATE_MASK) { |
| 1250 | case MPI_SAS_PHY0_PRATE_MIN_RATE_1_5: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1251 | phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1252 | break; |
| 1253 | case MPI_SAS_PHY0_PRATE_MIN_RATE_3_0: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1254 | phy->minimum_linkrate = SAS_LINK_RATE_3_0_GBPS; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1255 | break; |
| 1256 | default: |
| 1257 | break; |
| 1258 | } |
| 1259 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1260 | if (!phy_info->phy) { |
Christoph Hellwig | ac01bbb | 2005-10-19 20:01:17 +0200 | [diff] [blame] | 1261 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1262 | if (local) |
| 1263 | phy->local_attached = 1; |
| 1264 | |
| 1265 | error = sas_phy_add(phy); |
| 1266 | if (error) { |
| 1267 | sas_phy_free(phy); |
| 1268 | return error; |
| 1269 | } |
| 1270 | phy_info->phy = phy; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1271 | } |
| 1272 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1273 | if ((phy_info->attached.handle) && |
| 1274 | (!phy_info->rphy)) { |
| 1275 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1276 | struct sas_rphy *rphy; |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 1277 | struct sas_identify identify; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1278 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1279 | ioc = phy_to_ioc(phy_info->phy); |
| 1280 | |
| 1281 | /* |
| 1282 | * Let the hotplug_work thread handle processing |
| 1283 | * the adding/removing of devices that occur |
| 1284 | * after start of day. |
| 1285 | */ |
| 1286 | if (ioc->sas_discovery_runtime && |
| 1287 | mptsas_is_end_device(&phy_info->attached)) |
| 1288 | return 0; |
| 1289 | |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 1290 | mptsas_parse_device_info(&identify, &phy_info->attached); |
| 1291 | switch (identify.device_type) { |
| 1292 | case SAS_END_DEVICE: |
| 1293 | rphy = sas_end_device_alloc(phy); |
| 1294 | break; |
| 1295 | case SAS_EDGE_EXPANDER_DEVICE: |
| 1296 | case SAS_FANOUT_EXPANDER_DEVICE: |
| 1297 | rphy = sas_expander_alloc(phy, identify.device_type); |
| 1298 | break; |
| 1299 | default: |
| 1300 | rphy = NULL; |
| 1301 | break; |
| 1302 | } |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1303 | if (!rphy) |
| 1304 | return 0; /* non-fatal: an rphy can be added later */ |
| 1305 | |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 1306 | rphy->identify = identify; |
| 1307 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1308 | error = sas_rphy_add(rphy); |
| 1309 | if (error) { |
| 1310 | sas_rphy_free(rphy); |
| 1311 | return error; |
| 1312 | } |
| 1313 | |
| 1314 | phy_info->rphy = rphy; |
| 1315 | } |
| 1316 | |
| 1317 | return 0; |
| 1318 | } |
| 1319 | |
| 1320 | static int |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1321 | mptsas_probe_hba_phys(MPT_ADAPTER *ioc) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1322 | { |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1323 | struct mptsas_portinfo *port_info, *hba; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1324 | u32 handle = 0xFFFF; |
| 1325 | int error = -ENOMEM, i; |
| 1326 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1327 | hba = kzalloc(sizeof(*port_info), GFP_KERNEL); |
| 1328 | if (! hba) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1329 | goto out; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1330 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1331 | error = mptsas_sas_io_unit_pg0(ioc, hba); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1332 | if (error) |
| 1333 | goto out_free_port_info; |
| 1334 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1335 | mutex_lock(&ioc->sas_topology_mutex); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1336 | port_info = mptsas_find_portinfo_by_handle(ioc, hba->handle); |
| 1337 | if (!port_info) { |
| 1338 | port_info = hba; |
| 1339 | list_add_tail(&port_info->list, &ioc->sas_topology); |
| 1340 | } else { |
| 1341 | port_info->handle = hba->handle; |
| 1342 | for (i = 0; i < hba->num_phys; i++) |
| 1343 | port_info->phy_info[i].negotiated_link_rate = |
| 1344 | hba->phy_info[i].negotiated_link_rate; |
| 1345 | if (hba->phy_info) |
| 1346 | kfree(hba->phy_info); |
| 1347 | kfree(hba); |
| 1348 | hba = NULL; |
| 1349 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1350 | mutex_unlock(&ioc->sas_topology_mutex); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1351 | ioc->num_ports = port_info->num_phys; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1352 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1353 | for (i = 0; i < port_info->num_phys; i++) { |
| 1354 | mptsas_sas_phy_pg0(ioc, &port_info->phy_info[i], |
| 1355 | (MPI_SAS_PHY_PGAD_FORM_PHY_NUMBER << |
| 1356 | MPI_SAS_PHY_PGAD_FORM_SHIFT), i); |
| 1357 | |
| 1358 | mptsas_sas_device_pg0(ioc, &port_info->phy_info[i].identify, |
| 1359 | (MPI_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE << |
| 1360 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), handle); |
Eric Moore | 024358e | 2005-10-21 20:56:36 +0200 | [diff] [blame] | 1361 | port_info->phy_info[i].identify.phy_id = |
| 1362 | port_info->phy_info[i].phy_id; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1363 | handle = port_info->phy_info[i].identify.handle; |
| 1364 | |
| 1365 | if (port_info->phy_info[i].attached.handle) { |
| 1366 | mptsas_sas_device_pg0(ioc, |
| 1367 | &port_info->phy_info[i].attached, |
| 1368 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| 1369 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| 1370 | port_info->phy_info[i].attached.handle); |
| 1371 | } |
| 1372 | |
| 1373 | mptsas_probe_one_phy(&ioc->sh->shost_gendev, |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1374 | &port_info->phy_info[i], ioc->sas_index, 1); |
| 1375 | ioc->sas_index++; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1376 | } |
| 1377 | |
| 1378 | return 0; |
| 1379 | |
| 1380 | out_free_port_info: |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1381 | if (hba) |
| 1382 | kfree(hba); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1383 | out: |
| 1384 | return error; |
| 1385 | } |
| 1386 | |
| 1387 | static int |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1388 | mptsas_probe_expander_phys(MPT_ADAPTER *ioc, u32 *handle) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1389 | { |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1390 | struct mptsas_portinfo *port_info, *p, *ex; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1391 | int error = -ENOMEM, i, j; |
| 1392 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1393 | ex = kzalloc(sizeof(*port_info), GFP_KERNEL); |
| 1394 | if (!ex) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1395 | goto out; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1396 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1397 | error = mptsas_sas_expander_pg0(ioc, ex, |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1398 | (MPI_SAS_EXPAND_PGAD_FORM_GET_NEXT_HANDLE << |
| 1399 | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), *handle); |
| 1400 | if (error) |
| 1401 | goto out_free_port_info; |
| 1402 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1403 | *handle = ex->handle; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1404 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1405 | mutex_lock(&ioc->sas_topology_mutex); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1406 | port_info = mptsas_find_portinfo_by_handle(ioc, *handle); |
| 1407 | if (!port_info) { |
| 1408 | port_info = ex; |
| 1409 | list_add_tail(&port_info->list, &ioc->sas_topology); |
| 1410 | } else { |
| 1411 | port_info->handle = ex->handle; |
| 1412 | if (ex->phy_info) |
| 1413 | kfree(ex->phy_info); |
| 1414 | kfree(ex); |
| 1415 | ex = NULL; |
| 1416 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1417 | mutex_unlock(&ioc->sas_topology_mutex); |
| 1418 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1419 | for (i = 0; i < port_info->num_phys; i++) { |
| 1420 | struct device *parent; |
| 1421 | |
| 1422 | mptsas_sas_expander_pg1(ioc, &port_info->phy_info[i], |
| 1423 | (MPI_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM << |
| 1424 | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), (i << 16) + *handle); |
| 1425 | |
| 1426 | if (port_info->phy_info[i].identify.handle) { |
| 1427 | mptsas_sas_device_pg0(ioc, |
| 1428 | &port_info->phy_info[i].identify, |
| 1429 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| 1430 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| 1431 | port_info->phy_info[i].identify.handle); |
Eric Moore | 024358e | 2005-10-21 20:56:36 +0200 | [diff] [blame] | 1432 | port_info->phy_info[i].identify.phy_id = |
| 1433 | port_info->phy_info[i].phy_id; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1434 | } |
| 1435 | |
| 1436 | if (port_info->phy_info[i].attached.handle) { |
| 1437 | mptsas_sas_device_pg0(ioc, |
| 1438 | &port_info->phy_info[i].attached, |
| 1439 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| 1440 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| 1441 | port_info->phy_info[i].attached.handle); |
Moore, Eric | db9c917 | 2006-03-14 09:14:18 -0700 | [diff] [blame] | 1442 | port_info->phy_info[i].attached.phy_id = |
| 1443 | port_info->phy_info[i].phy_id; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1444 | } |
| 1445 | |
| 1446 | /* |
| 1447 | * If we find a parent port handle this expander is |
| 1448 | * attached to another expander, else it hangs of the |
| 1449 | * HBA phys. |
| 1450 | */ |
| 1451 | parent = &ioc->sh->shost_gendev; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1452 | mutex_lock(&ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1453 | list_for_each_entry(p, &ioc->sas_topology, list) { |
| 1454 | for (j = 0; j < p->num_phys; j++) { |
| 1455 | if (port_info->phy_info[i].identify.handle == |
| 1456 | p->phy_info[j].attached.handle) |
| 1457 | parent = &p->phy_info[j].rphy->dev; |
| 1458 | } |
| 1459 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1460 | mutex_unlock(&ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1461 | |
Christoph Hellwig | ac01bbb | 2005-10-19 20:01:17 +0200 | [diff] [blame] | 1462 | mptsas_probe_one_phy(parent, &port_info->phy_info[i], |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1463 | ioc->sas_index, 0); |
| 1464 | ioc->sas_index++; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1465 | } |
| 1466 | |
| 1467 | return 0; |
| 1468 | |
| 1469 | out_free_port_info: |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1470 | if (ex) { |
| 1471 | if (ex->phy_info) |
| 1472 | kfree(ex->phy_info); |
| 1473 | kfree(ex); |
| 1474 | } |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1475 | out: |
| 1476 | return error; |
| 1477 | } |
| 1478 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1479 | /* |
| 1480 | * mptsas_delete_expander_phys |
| 1481 | * |
| 1482 | * |
| 1483 | * This will traverse topology, and remove expanders |
| 1484 | * that are no longer present |
| 1485 | */ |
| 1486 | static void |
| 1487 | mptsas_delete_expander_phys(MPT_ADAPTER *ioc) |
| 1488 | { |
| 1489 | struct mptsas_portinfo buffer; |
| 1490 | struct mptsas_portinfo *port_info, *n, *parent; |
| 1491 | int i; |
| 1492 | |
| 1493 | mutex_lock(&ioc->sas_topology_mutex); |
| 1494 | list_for_each_entry_safe(port_info, n, &ioc->sas_topology, list) { |
| 1495 | |
| 1496 | if (port_info->phy_info && |
| 1497 | (!(port_info->phy_info[0].identify.device_info & |
| 1498 | MPI_SAS_DEVICE_INFO_SMP_TARGET))) |
| 1499 | continue; |
| 1500 | |
| 1501 | if (mptsas_sas_expander_pg0(ioc, &buffer, |
| 1502 | (MPI_SAS_EXPAND_PGAD_FORM_HANDLE << |
| 1503 | MPI_SAS_EXPAND_PGAD_FORM_SHIFT), port_info->handle)) { |
| 1504 | |
| 1505 | /* |
| 1506 | * Obtain the port_info instance to the parent port |
| 1507 | */ |
| 1508 | parent = mptsas_find_portinfo_by_handle(ioc, |
| 1509 | port_info->phy_info[0].identify.handle_parent); |
| 1510 | |
| 1511 | if (!parent) |
| 1512 | goto next_port; |
| 1513 | |
| 1514 | /* |
| 1515 | * Delete rphys in the parent that point |
| 1516 | * to this expander. The transport layer will |
| 1517 | * cleanup all the children. |
| 1518 | */ |
| 1519 | for (i = 0; i < parent->num_phys; i++) { |
| 1520 | if ((!parent->phy_info[i].rphy) || |
| 1521 | (parent->phy_info[i].attached.sas_address != |
| 1522 | port_info->phy_info[i].identify.sas_address)) |
| 1523 | continue; |
| 1524 | sas_rphy_delete(parent->phy_info[i].rphy); |
| 1525 | memset(&parent->phy_info[i].attached, 0, |
| 1526 | sizeof(struct mptsas_devinfo)); |
| 1527 | parent->phy_info[i].rphy = NULL; |
| 1528 | parent->phy_info[i].starget = NULL; |
| 1529 | } |
| 1530 | next_port: |
| 1531 | list_del(&port_info->list); |
| 1532 | if (port_info->phy_info) |
| 1533 | kfree(port_info->phy_info); |
| 1534 | kfree(port_info); |
| 1535 | } |
| 1536 | /* |
| 1537 | * Free this memory allocated from inside |
| 1538 | * mptsas_sas_expander_pg0 |
| 1539 | */ |
| 1540 | if (buffer.phy_info) |
| 1541 | kfree(buffer.phy_info); |
| 1542 | } |
| 1543 | mutex_unlock(&ioc->sas_topology_mutex); |
| 1544 | } |
| 1545 | |
| 1546 | /* |
| 1547 | * Start of day discovery |
| 1548 | */ |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1549 | static void |
| 1550 | mptsas_scan_sas_topology(MPT_ADAPTER *ioc) |
| 1551 | { |
| 1552 | u32 handle = 0xFFFF; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1553 | int i; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1554 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1555 | mutex_lock(&ioc->sas_discovery_mutex); |
| 1556 | mptsas_probe_hba_phys(ioc); |
| 1557 | while (!mptsas_probe_expander_phys(ioc, &handle)) |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1558 | ; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1559 | /* |
| 1560 | Reporting RAID volumes. |
| 1561 | */ |
| 1562 | if (!ioc->raid_data.pIocPg2) |
| 1563 | goto out; |
| 1564 | if (!ioc->raid_data.pIocPg2->NumActiveVolumes) |
| 1565 | goto out; |
| 1566 | for (i=0; i<ioc->raid_data.pIocPg2->NumActiveVolumes; i++) { |
| 1567 | scsi_add_device(ioc->sh, ioc->num_ports, |
| 1568 | ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0); |
| 1569 | } |
| 1570 | out: |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1571 | mutex_unlock(&ioc->sas_discovery_mutex); |
| 1572 | } |
| 1573 | |
| 1574 | /* |
| 1575 | * Work queue thread to handle Runtime discovery |
| 1576 | * Mere purpose is the hot add/delete of expanders |
| 1577 | */ |
| 1578 | static void |
| 1579 | mptscsih_discovery_work(void * arg) |
| 1580 | { |
| 1581 | struct mptsas_discovery_event *ev = arg; |
| 1582 | MPT_ADAPTER *ioc = ev->ioc; |
| 1583 | u32 handle = 0xFFFF; |
| 1584 | |
| 1585 | mutex_lock(&ioc->sas_discovery_mutex); |
| 1586 | ioc->sas_discovery_runtime=1; |
| 1587 | mptsas_delete_expander_phys(ioc); |
| 1588 | mptsas_probe_hba_phys(ioc); |
| 1589 | while (!mptsas_probe_expander_phys(ioc, &handle)) |
| 1590 | ; |
| 1591 | kfree(ev); |
| 1592 | ioc->sas_discovery_runtime=0; |
| 1593 | mutex_unlock(&ioc->sas_discovery_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 1594 | } |
| 1595 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1596 | static struct mptsas_phyinfo * |
| 1597 | mptsas_find_phyinfo_by_parent(MPT_ADAPTER *ioc, u16 parent_handle, u8 phy_id) |
| 1598 | { |
| 1599 | struct mptsas_portinfo *port_info; |
| 1600 | struct mptsas_devinfo device_info; |
| 1601 | struct mptsas_phyinfo *phy_info = NULL; |
| 1602 | int i, error; |
| 1603 | |
| 1604 | /* |
| 1605 | * Retrieve the parent sas_address |
| 1606 | */ |
| 1607 | error = mptsas_sas_device_pg0(ioc, &device_info, |
| 1608 | (MPI_SAS_DEVICE_PGAD_FORM_HANDLE << |
| 1609 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), |
| 1610 | parent_handle); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1611 | if (error) |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1612 | return NULL; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1613 | |
| 1614 | /* |
| 1615 | * The phy_info structures are never deallocated during lifetime of |
| 1616 | * a host, so the code below is safe without additional refcounting. |
| 1617 | */ |
| 1618 | mutex_lock(&ioc->sas_topology_mutex); |
| 1619 | list_for_each_entry(port_info, &ioc->sas_topology, list) { |
| 1620 | for (i = 0; i < port_info->num_phys; i++) { |
| 1621 | if (port_info->phy_info[i].identify.sas_address == |
| 1622 | device_info.sas_address && |
| 1623 | port_info->phy_info[i].phy_id == phy_id) { |
| 1624 | phy_info = &port_info->phy_info[i]; |
| 1625 | break; |
| 1626 | } |
| 1627 | } |
| 1628 | } |
| 1629 | mutex_unlock(&ioc->sas_topology_mutex); |
| 1630 | |
| 1631 | return phy_info; |
| 1632 | } |
| 1633 | |
| 1634 | static struct mptsas_phyinfo * |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1635 | mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u32 id) |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1636 | { |
| 1637 | struct mptsas_portinfo *port_info; |
| 1638 | struct mptsas_phyinfo *phy_info = NULL; |
| 1639 | int i; |
| 1640 | |
| 1641 | /* |
| 1642 | * The phy_info structures are never deallocated during lifetime of |
| 1643 | * a host, so the code below is safe without additional refcounting. |
| 1644 | */ |
| 1645 | mutex_lock(&ioc->sas_topology_mutex); |
| 1646 | list_for_each_entry(port_info, &ioc->sas_topology, list) { |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1647 | for (i = 0; i < port_info->num_phys; i++) |
| 1648 | if (mptsas_is_end_device(&port_info->phy_info[i].attached)) |
| 1649 | if (port_info->phy_info[i].attached.id == id) { |
| 1650 | phy_info = &port_info->phy_info[i]; |
| 1651 | break; |
| 1652 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1653 | } |
| 1654 | mutex_unlock(&ioc->sas_topology_mutex); |
| 1655 | |
| 1656 | return phy_info; |
| 1657 | } |
| 1658 | |
Moore, Eric | 4b76647 | 2006-03-14 09:14:12 -0700 | [diff] [blame] | 1659 | /* |
| 1660 | * Work queue thread to clear the persitency table |
| 1661 | */ |
| 1662 | static void |
| 1663 | mptscsih_sas_persist_clear_table(void * arg) |
| 1664 | { |
| 1665 | MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg; |
| 1666 | |
| 1667 | mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT); |
| 1668 | } |
| 1669 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1670 | static void |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1671 | mptsas_reprobe_lun(struct scsi_device *sdev, void *data) |
| 1672 | { |
| 1673 | sdev->no_uld_attach = data ? 1 : 0; |
| 1674 | scsi_device_reprobe(sdev); |
| 1675 | } |
| 1676 | |
| 1677 | static void |
| 1678 | mptsas_reprobe_target(struct scsi_target *starget, int uld_attach) |
| 1679 | { |
| 1680 | starget_for_each_device(starget, uld_attach ? (void *)1 : NULL, |
| 1681 | mptsas_reprobe_lun); |
| 1682 | } |
| 1683 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1684 | |
| 1685 | /* |
| 1686 | * Work queue thread to handle SAS hotplug events |
| 1687 | */ |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1688 | static void |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1689 | mptsas_hotplug_work(void *arg) |
| 1690 | { |
| 1691 | struct mptsas_hotplug_event *ev = arg; |
| 1692 | MPT_ADAPTER *ioc = ev->ioc; |
| 1693 | struct mptsas_phyinfo *phy_info; |
| 1694 | struct sas_rphy *rphy; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1695 | struct scsi_device *sdev; |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 1696 | struct sas_identify identify; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1697 | char *ds = NULL; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1698 | struct mptsas_devinfo sas_device; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1699 | VirtTarget *vtarget; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1700 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1701 | mutex_lock(&ioc->sas_discovery_mutex); |
| 1702 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1703 | switch (ev->event_type) { |
| 1704 | case MPTSAS_DEL_DEVICE: |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1705 | |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1706 | phy_info = mptsas_find_phyinfo_by_target(ioc, ev->id); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1707 | |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1708 | /* |
| 1709 | * Sanity checks, for non-existing phys and remote rphys. |
| 1710 | */ |
| 1711 | if (!phy_info) |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1712 | break; |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1713 | if (!phy_info->rphy) |
| 1714 | break; |
| 1715 | if (phy_info->starget) { |
| 1716 | vtarget = phy_info->starget->hostdata; |
| 1717 | |
| 1718 | if (!vtarget) |
| 1719 | break; |
| 1720 | /* |
| 1721 | * Handling RAID components |
| 1722 | */ |
| 1723 | if (ev->phys_disk_num_valid) { |
| 1724 | vtarget->target_id = ev->phys_disk_num; |
| 1725 | vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT; |
| 1726 | mptsas_reprobe_target(vtarget->starget, 1); |
| 1727 | break; |
| 1728 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1729 | } |
| 1730 | |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1731 | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET) |
| 1732 | ds = "ssp"; |
| 1733 | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET) |
| 1734 | ds = "stp"; |
| 1735 | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE) |
| 1736 | ds = "sata"; |
| 1737 | |
| 1738 | printk(MYIOC_s_INFO_FMT |
| 1739 | "removing %s device, channel %d, id %d, phy %d\n", |
| 1740 | ioc->name, ds, ev->channel, ev->id, phy_info->phy_id); |
| 1741 | |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1742 | sas_rphy_delete(phy_info->rphy); |
| 1743 | memset(&phy_info->attached, 0, sizeof(struct mptsas_devinfo)); |
| 1744 | phy_info->rphy = NULL; |
| 1745 | phy_info->starget = NULL; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1746 | break; |
| 1747 | case MPTSAS_ADD_DEVICE: |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1748 | |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 1749 | if (ev->phys_disk_num_valid) |
| 1750 | mpt_findImVolumes(ioc); |
| 1751 | |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1752 | /* |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 1753 | * Refresh sas device pg0 data |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1754 | */ |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 1755 | if (mptsas_sas_device_pg0(ioc, &sas_device, |
| 1756 | (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID << |
| 1757 | MPI_SAS_DEVICE_PGAD_FORM_SHIFT), ev->id)) |
| 1758 | break; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1759 | |
| 1760 | phy_info = mptsas_find_phyinfo_by_parent(ioc, |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 1761 | sas_device.handle_parent, sas_device.phy_id); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1762 | |
| 1763 | if (!phy_info) { |
| 1764 | u32 handle = 0xFFFF; |
| 1765 | |
| 1766 | /* |
| 1767 | * Its possible when an expander has been hot added |
| 1768 | * containing attached devices, the sas firmware |
| 1769 | * may send a RC_ADDED event prior to the |
| 1770 | * DISCOVERY STOP event. If that occurs, our |
| 1771 | * view of the topology in the driver in respect to this |
| 1772 | * expander might of not been setup, and we hit this |
| 1773 | * condition. |
| 1774 | * Therefore, this code kicks off discovery to |
| 1775 | * refresh the data. |
| 1776 | * Then again, we check whether the parent phy has |
| 1777 | * been created. |
| 1778 | */ |
| 1779 | ioc->sas_discovery_runtime=1; |
| 1780 | mptsas_delete_expander_phys(ioc); |
| 1781 | mptsas_probe_hba_phys(ioc); |
| 1782 | while (!mptsas_probe_expander_phys(ioc, &handle)) |
| 1783 | ; |
| 1784 | ioc->sas_discovery_runtime=0; |
| 1785 | |
| 1786 | phy_info = mptsas_find_phyinfo_by_parent(ioc, |
| 1787 | sas_device.handle_parent, sas_device.phy_id); |
| 1788 | if (!phy_info) |
| 1789 | break; |
| 1790 | } |
| 1791 | |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1792 | if (phy_info->starget) { |
| 1793 | vtarget = phy_info->starget->hostdata; |
| 1794 | |
| 1795 | if (!vtarget) |
| 1796 | break; |
| 1797 | /* |
| 1798 | * Handling RAID components |
| 1799 | */ |
| 1800 | if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) { |
| 1801 | vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; |
| 1802 | vtarget->target_id = ev->id; |
| 1803 | mptsas_reprobe_target(phy_info->starget, 0); |
| 1804 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1805 | break; |
| 1806 | } |
| 1807 | |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1808 | if (phy_info->rphy) |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1809 | break; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1810 | |
Christoph Hellwig | e309444 | 2006-02-16 13:25:36 +0100 | [diff] [blame] | 1811 | memcpy(&phy_info->attached, &sas_device, |
| 1812 | sizeof(struct mptsas_devinfo)); |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1813 | |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1814 | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET) |
| 1815 | ds = "ssp"; |
| 1816 | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET) |
| 1817 | ds = "stp"; |
| 1818 | if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE) |
| 1819 | ds = "sata"; |
| 1820 | |
| 1821 | printk(MYIOC_s_INFO_FMT |
| 1822 | "attaching %s device, channel %d, id %d, phy %d\n", |
| 1823 | ioc->name, ds, ev->channel, ev->id, ev->phy_id); |
| 1824 | |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 1825 | mptsas_parse_device_info(&identify, &phy_info->attached); |
| 1826 | switch (identify.device_type) { |
| 1827 | case SAS_END_DEVICE: |
| 1828 | rphy = sas_end_device_alloc(phy_info->phy); |
| 1829 | break; |
| 1830 | case SAS_EDGE_EXPANDER_DEVICE: |
| 1831 | case SAS_FANOUT_EXPANDER_DEVICE: |
| 1832 | rphy = sas_expander_alloc(phy_info->phy, identify.device_type); |
| 1833 | break; |
| 1834 | default: |
| 1835 | rphy = NULL; |
| 1836 | break; |
| 1837 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1838 | if (!rphy) |
| 1839 | break; /* non-fatal: an rphy can be added later */ |
| 1840 | |
James Bottomley | f013db3 | 2006-03-18 14:54:36 -0600 | [diff] [blame] | 1841 | rphy->identify = identify; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1842 | if (sas_rphy_add(rphy)) { |
| 1843 | sas_rphy_free(rphy); |
| 1844 | break; |
| 1845 | } |
| 1846 | |
| 1847 | phy_info->rphy = rphy; |
| 1848 | break; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1849 | case MPTSAS_ADD_RAID: |
| 1850 | sdev = scsi_device_lookup( |
| 1851 | ioc->sh, |
| 1852 | ioc->num_ports, |
| 1853 | ev->id, |
| 1854 | 0); |
| 1855 | if (sdev) { |
| 1856 | scsi_device_put(sdev); |
| 1857 | break; |
| 1858 | } |
| 1859 | printk(MYIOC_s_INFO_FMT |
Moore, Eric | 4b76647 | 2006-03-14 09:14:12 -0700 | [diff] [blame] | 1860 | "attaching raid volume, channel %d, id %d\n", |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1861 | ioc->name, ioc->num_ports, ev->id); |
| 1862 | scsi_add_device(ioc->sh, |
| 1863 | ioc->num_ports, |
| 1864 | ev->id, |
| 1865 | 0); |
| 1866 | mpt_findImVolumes(ioc); |
| 1867 | break; |
| 1868 | case MPTSAS_DEL_RAID: |
| 1869 | sdev = scsi_device_lookup( |
| 1870 | ioc->sh, |
| 1871 | ioc->num_ports, |
| 1872 | ev->id, |
| 1873 | 0); |
| 1874 | if (!sdev) |
| 1875 | break; |
| 1876 | printk(MYIOC_s_INFO_FMT |
Moore, Eric | 4b76647 | 2006-03-14 09:14:12 -0700 | [diff] [blame] | 1877 | "removing raid volume, channel %d, id %d\n", |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1878 | ioc->name, ioc->num_ports, ev->id); |
| 1879 | scsi_remove_device(sdev); |
| 1880 | scsi_device_put(sdev); |
| 1881 | mpt_findImVolumes(ioc); |
| 1882 | break; |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 1883 | case MPTSAS_IGNORE_EVENT: |
| 1884 | default: |
| 1885 | break; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1886 | } |
| 1887 | |
| 1888 | kfree(ev); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 1889 | mutex_unlock(&ioc->sas_discovery_mutex); |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1890 | } |
| 1891 | |
| 1892 | static void |
| 1893 | mptscsih_send_sas_event(MPT_ADAPTER *ioc, |
| 1894 | EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *sas_event_data) |
| 1895 | { |
| 1896 | struct mptsas_hotplug_event *ev; |
| 1897 | u32 device_info = le32_to_cpu(sas_event_data->DeviceInfo); |
| 1898 | __le64 sas_address; |
| 1899 | |
| 1900 | if ((device_info & |
| 1901 | (MPI_SAS_DEVICE_INFO_SSP_TARGET | |
| 1902 | MPI_SAS_DEVICE_INFO_STP_TARGET | |
| 1903 | MPI_SAS_DEVICE_INFO_SATA_DEVICE )) == 0) |
| 1904 | return; |
| 1905 | |
Moore, Eric | 4b76647 | 2006-03-14 09:14:12 -0700 | [diff] [blame] | 1906 | switch (sas_event_data->ReasonCode) { |
| 1907 | case MPI_EVENT_SAS_DEV_STAT_RC_ADDED: |
| 1908 | case MPI_EVENT_SAS_DEV_STAT_RC_NOT_RESPONDING: |
| 1909 | ev = kmalloc(sizeof(*ev), GFP_ATOMIC); |
| 1910 | if (!ev) { |
| 1911 | printk(KERN_WARNING "mptsas: lost hotplug event\n"); |
| 1912 | break; |
| 1913 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1914 | |
Moore, Eric | 4b76647 | 2006-03-14 09:14:12 -0700 | [diff] [blame] | 1915 | INIT_WORK(&ev->work, mptsas_hotplug_work, ev); |
| 1916 | ev->ioc = ioc; |
| 1917 | ev->handle = le16_to_cpu(sas_event_data->DevHandle); |
| 1918 | ev->parent_handle = |
| 1919 | le16_to_cpu(sas_event_data->ParentDevHandle); |
| 1920 | ev->channel = sas_event_data->Bus; |
| 1921 | ev->id = sas_event_data->TargetID; |
| 1922 | ev->phy_id = sas_event_data->PhyNum; |
| 1923 | memcpy(&sas_address, &sas_event_data->SASAddress, |
| 1924 | sizeof(__le64)); |
| 1925 | ev->sas_address = le64_to_cpu(sas_address); |
| 1926 | ev->device_info = device_info; |
| 1927 | |
| 1928 | if (sas_event_data->ReasonCode & |
| 1929 | MPI_EVENT_SAS_DEV_STAT_RC_ADDED) |
| 1930 | ev->event_type = MPTSAS_ADD_DEVICE; |
| 1931 | else |
| 1932 | ev->event_type = MPTSAS_DEL_DEVICE; |
| 1933 | schedule_work(&ev->work); |
| 1934 | break; |
| 1935 | case MPI_EVENT_SAS_DEV_STAT_RC_NO_PERSIST_ADDED: |
| 1936 | /* |
| 1937 | * Persistent table is full. |
| 1938 | */ |
| 1939 | INIT_WORK(&ioc->mptscsih_persistTask, |
| 1940 | mptscsih_sas_persist_clear_table, |
| 1941 | (void *)ioc); |
| 1942 | schedule_work(&ioc->mptscsih_persistTask); |
| 1943 | break; |
| 1944 | case MPI_EVENT_SAS_DEV_STAT_RC_SMART_DATA: |
| 1945 | /* TODO */ |
| 1946 | case MPI_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET: |
| 1947 | /* TODO */ |
| 1948 | default: |
| 1949 | break; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1950 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 1951 | } |
| 1952 | |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1953 | static void |
| 1954 | mptscsih_send_raid_event(MPT_ADAPTER *ioc, |
| 1955 | EVENT_DATA_RAID *raid_event_data) |
| 1956 | { |
| 1957 | struct mptsas_hotplug_event *ev; |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 1958 | int status = le32_to_cpu(raid_event_data->SettingsStatus); |
| 1959 | int state = (status >> 8) & 0xff; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1960 | |
| 1961 | if (ioc->bus_type != SAS) |
| 1962 | return; |
| 1963 | |
| 1964 | ev = kmalloc(sizeof(*ev), GFP_ATOMIC); |
| 1965 | if (!ev) { |
| 1966 | printk(KERN_WARNING "mptsas: lost hotplug event\n"); |
| 1967 | return; |
| 1968 | } |
| 1969 | |
| 1970 | memset(ev,0,sizeof(struct mptsas_hotplug_event)); |
| 1971 | INIT_WORK(&ev->work, mptsas_hotplug_work, ev); |
| 1972 | ev->ioc = ioc; |
| 1973 | ev->id = raid_event_data->VolumeID; |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 1974 | ev->event_type = MPTSAS_IGNORE_EVENT; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1975 | |
| 1976 | switch (raid_event_data->ReasonCode) { |
| 1977 | case MPI_EVENT_RAID_RC_PHYSDISK_DELETED: |
| 1978 | ev->event_type = MPTSAS_ADD_DEVICE; |
| 1979 | break; |
| 1980 | case MPI_EVENT_RAID_RC_PHYSDISK_CREATED: |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1981 | ioc->raid_data.isRaid = 1; |
| 1982 | ev->phys_disk_num_valid = 1; |
| 1983 | ev->phys_disk_num = raid_event_data->PhysDiskNum; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 1984 | ev->event_type = MPTSAS_DEL_DEVICE; |
| 1985 | break; |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 1986 | case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED: |
| 1987 | switch (state) { |
| 1988 | case MPI_PD_STATE_ONLINE: |
| 1989 | ioc->raid_data.isRaid = 1; |
| 1990 | ev->phys_disk_num_valid = 1; |
| 1991 | ev->phys_disk_num = raid_event_data->PhysDiskNum; |
| 1992 | ev->event_type = MPTSAS_ADD_DEVICE; |
| 1993 | break; |
| 1994 | case MPI_PD_STATE_MISSING: |
| 1995 | case MPI_PD_STATE_NOT_COMPATIBLE: |
| 1996 | case MPI_PD_STATE_OFFLINE_AT_HOST_REQUEST: |
| 1997 | case MPI_PD_STATE_FAILED_AT_HOST_REQUEST: |
| 1998 | case MPI_PD_STATE_OFFLINE_FOR_ANOTHER_REASON: |
| 1999 | ev->event_type = MPTSAS_DEL_DEVICE; |
| 2000 | break; |
| 2001 | default: |
| 2002 | break; |
| 2003 | } |
| 2004 | break; |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2005 | case MPI_EVENT_RAID_RC_VOLUME_DELETED: |
| 2006 | ev->event_type = MPTSAS_DEL_RAID; |
| 2007 | break; |
| 2008 | case MPI_EVENT_RAID_RC_VOLUME_CREATED: |
| 2009 | ev->event_type = MPTSAS_ADD_RAID; |
| 2010 | break; |
| 2011 | case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED: |
Moore, Eric | bd23e94 | 2006-04-17 12:43:04 -0600 | [diff] [blame] | 2012 | switch (state) { |
| 2013 | case MPI_RAIDVOL0_STATUS_STATE_FAILED: |
| 2014 | case MPI_RAIDVOL0_STATUS_STATE_MISSING: |
| 2015 | ev->event_type = MPTSAS_DEL_RAID; |
| 2016 | break; |
| 2017 | case MPI_RAIDVOL0_STATUS_STATE_OPTIMAL: |
| 2018 | case MPI_RAIDVOL0_STATUS_STATE_DEGRADED: |
| 2019 | ev->event_type = MPTSAS_ADD_RAID; |
| 2020 | break; |
| 2021 | default: |
| 2022 | break; |
| 2023 | } |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2024 | break; |
| 2025 | default: |
| 2026 | break; |
| 2027 | } |
| 2028 | schedule_work(&ev->work); |
| 2029 | } |
| 2030 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 2031 | static void |
| 2032 | mptscsih_send_discovery(MPT_ADAPTER *ioc, |
| 2033 | EVENT_DATA_SAS_DISCOVERY *discovery_data) |
| 2034 | { |
| 2035 | struct mptsas_discovery_event *ev; |
| 2036 | |
| 2037 | /* |
| 2038 | * DiscoveryStatus |
| 2039 | * |
| 2040 | * This flag will be non-zero when firmware |
| 2041 | * kicks off discovery, and return to zero |
| 2042 | * once its completed. |
| 2043 | */ |
| 2044 | if (discovery_data->DiscoveryStatus) |
| 2045 | return; |
| 2046 | |
| 2047 | ev = kmalloc(sizeof(*ev), GFP_ATOMIC); |
| 2048 | if (!ev) |
| 2049 | return; |
| 2050 | memset(ev,0,sizeof(struct mptsas_discovery_event)); |
| 2051 | INIT_WORK(&ev->work, mptscsih_discovery_work, ev); |
| 2052 | ev->ioc = ioc; |
| 2053 | schedule_work(&ev->work); |
| 2054 | }; |
| 2055 | |
| 2056 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2057 | static int |
| 2058 | mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply) |
| 2059 | { |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2060 | int rc=1; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2061 | u8 event = le32_to_cpu(reply->Event) & 0xFF; |
| 2062 | |
| 2063 | if (!ioc->sh) |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2064 | goto out; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2065 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 2066 | /* |
| 2067 | * sas_discovery_ignore_events |
| 2068 | * |
| 2069 | * This flag is to prevent anymore processing of |
| 2070 | * sas events once mptsas_remove function is called. |
| 2071 | */ |
| 2072 | if (ioc->sas_discovery_ignore_events) { |
| 2073 | rc = mptscsih_event_process(ioc, reply); |
| 2074 | goto out; |
| 2075 | } |
| 2076 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2077 | switch (event) { |
| 2078 | case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE: |
| 2079 | mptscsih_send_sas_event(ioc, |
| 2080 | (EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data); |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2081 | break; |
| 2082 | case MPI_EVENT_INTEGRATED_RAID: |
| 2083 | mptscsih_send_raid_event(ioc, |
| 2084 | (EVENT_DATA_RAID *)reply->Data); |
| 2085 | break; |
Moore, Eric | 79de278 | 2006-01-25 18:05:15 -0700 | [diff] [blame] | 2086 | case MPI_EVENT_PERSISTENT_TABLE_FULL: |
| 2087 | INIT_WORK(&ioc->mptscsih_persistTask, |
| 2088 | mptscsih_sas_persist_clear_table, |
| 2089 | (void *)ioc); |
| 2090 | schedule_work(&ioc->mptscsih_persistTask); |
| 2091 | break; |
Moore, Eric | 4b76647 | 2006-03-14 09:14:12 -0700 | [diff] [blame] | 2092 | case MPI_EVENT_SAS_DISCOVERY: |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 2093 | mptscsih_send_discovery(ioc, |
| 2094 | (EVENT_DATA_SAS_DISCOVERY *)reply->Data); |
| 2095 | break; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2096 | default: |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2097 | rc = mptscsih_event_process(ioc, reply); |
| 2098 | break; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2099 | } |
Moore, Eric | c73787ee | 2006-01-26 16:20:06 -0700 | [diff] [blame] | 2100 | out: |
| 2101 | |
| 2102 | return rc; |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2103 | } |
| 2104 | |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2105 | static int |
| 2106 | mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id) |
| 2107 | { |
| 2108 | struct Scsi_Host *sh; |
| 2109 | MPT_SCSI_HOST *hd; |
| 2110 | MPT_ADAPTER *ioc; |
| 2111 | unsigned long flags; |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2112 | int ii; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2113 | int numSGE = 0; |
| 2114 | int scale; |
| 2115 | int ioc_cap; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2116 | int error=0; |
| 2117 | int r; |
| 2118 | |
| 2119 | r = mpt_attach(pdev,id); |
| 2120 | if (r) |
| 2121 | return r; |
| 2122 | |
| 2123 | ioc = pci_get_drvdata(pdev); |
| 2124 | ioc->DoneCtx = mptsasDoneCtx; |
| 2125 | ioc->TaskCtx = mptsasTaskCtx; |
| 2126 | ioc->InternalCtx = mptsasInternalCtx; |
| 2127 | |
| 2128 | /* Added sanity check on readiness of the MPT adapter. |
| 2129 | */ |
| 2130 | if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) { |
| 2131 | printk(MYIOC_s_WARN_FMT |
| 2132 | "Skipping because it's not operational!\n", |
| 2133 | ioc->name); |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2134 | error = -ENODEV; |
| 2135 | goto out_mptsas_probe; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2136 | } |
| 2137 | |
| 2138 | if (!ioc->active) { |
| 2139 | printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n", |
| 2140 | ioc->name); |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2141 | error = -ENODEV; |
| 2142 | goto out_mptsas_probe; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2143 | } |
| 2144 | |
| 2145 | /* Sanity check - ensure at least 1 port is INITIATOR capable |
| 2146 | */ |
| 2147 | ioc_cap = 0; |
| 2148 | for (ii = 0; ii < ioc->facts.NumberOfPorts; ii++) { |
| 2149 | if (ioc->pfacts[ii].ProtocolFlags & |
| 2150 | MPI_PORTFACTS_PROTOCOL_INITIATOR) |
| 2151 | ioc_cap++; |
| 2152 | } |
| 2153 | |
| 2154 | if (!ioc_cap) { |
| 2155 | printk(MYIOC_s_WARN_FMT |
| 2156 | "Skipping ioc=%p because SCSI Initiator mode " |
| 2157 | "is NOT enabled!\n", ioc->name, ioc); |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2158 | return 0; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2159 | } |
| 2160 | |
| 2161 | sh = scsi_host_alloc(&mptsas_driver_template, sizeof(MPT_SCSI_HOST)); |
| 2162 | if (!sh) { |
| 2163 | printk(MYIOC_s_WARN_FMT |
| 2164 | "Unable to register controller with SCSI subsystem\n", |
| 2165 | ioc->name); |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2166 | error = -1; |
| 2167 | goto out_mptsas_probe; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2168 | } |
| 2169 | |
| 2170 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
| 2171 | |
| 2172 | /* Attach the SCSI Host to the IOC structure |
| 2173 | */ |
| 2174 | ioc->sh = sh; |
| 2175 | |
| 2176 | sh->io_port = 0; |
| 2177 | sh->n_io_port = 0; |
| 2178 | sh->irq = 0; |
| 2179 | |
| 2180 | /* set 16 byte cdb's */ |
| 2181 | sh->max_cmd_len = 16; |
| 2182 | |
| 2183 | sh->max_id = ioc->pfacts->MaxDevices + 1; |
| 2184 | |
| 2185 | sh->transportt = mptsas_transport_template; |
| 2186 | |
| 2187 | sh->max_lun = MPT_LAST_LUN + 1; |
| 2188 | sh->max_channel = 0; |
| 2189 | sh->this_id = ioc->pfacts[0].PortSCSIID; |
| 2190 | |
| 2191 | /* Required entry. |
| 2192 | */ |
| 2193 | sh->unique_id = ioc->id; |
| 2194 | |
| 2195 | INIT_LIST_HEAD(&ioc->sas_topology); |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2196 | mutex_init(&ioc->sas_topology_mutex); |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 2197 | mutex_init(&ioc->sas_discovery_mutex); |
Christoph Hellwig | eeb846c | 2006-01-13 18:27:11 +0100 | [diff] [blame] | 2198 | mutex_init(&ioc->sas_mgmt.mutex); |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 2199 | init_completion(&ioc->sas_mgmt.done); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2200 | |
| 2201 | /* Verify that we won't exceed the maximum |
| 2202 | * number of chain buffers |
| 2203 | * We can optimize: ZZ = req_sz/sizeof(SGE) |
| 2204 | * For 32bit SGE's: |
| 2205 | * numSGE = 1 + (ZZ-1)*(maxChain -1) + ZZ |
| 2206 | * + (req_sz - 64)/sizeof(SGE) |
| 2207 | * A slightly different algorithm is required for |
| 2208 | * 64bit SGEs. |
| 2209 | */ |
| 2210 | scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32)); |
| 2211 | if (sizeof(dma_addr_t) == sizeof(u64)) { |
| 2212 | numSGE = (scale - 1) * |
| 2213 | (ioc->facts.MaxChainDepth-1) + scale + |
| 2214 | (ioc->req_sz - 60) / (sizeof(dma_addr_t) + |
| 2215 | sizeof(u32)); |
| 2216 | } else { |
| 2217 | numSGE = 1 + (scale - 1) * |
| 2218 | (ioc->facts.MaxChainDepth-1) + scale + |
| 2219 | (ioc->req_sz - 64) / (sizeof(dma_addr_t) + |
| 2220 | sizeof(u32)); |
| 2221 | } |
| 2222 | |
| 2223 | if (numSGE < sh->sg_tablesize) { |
| 2224 | /* Reset this value */ |
| 2225 | dprintk((MYIOC_s_INFO_FMT |
| 2226 | "Resetting sg_tablesize to %d from %d\n", |
| 2227 | ioc->name, numSGE, sh->sg_tablesize)); |
| 2228 | sh->sg_tablesize = numSGE; |
| 2229 | } |
| 2230 | |
| 2231 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| 2232 | |
| 2233 | hd = (MPT_SCSI_HOST *) sh->hostdata; |
| 2234 | hd->ioc = ioc; |
| 2235 | |
| 2236 | /* SCSI needs scsi_cmnd lookup table! |
| 2237 | * (with size equal to req_depth*PtrSz!) |
| 2238 | */ |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2239 | hd->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC); |
| 2240 | if (!hd->ScsiLookup) { |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2241 | error = -ENOMEM; |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2242 | goto out_mptsas_probe; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2243 | } |
| 2244 | |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2245 | dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n", |
| 2246 | ioc->name, hd->ScsiLookup)); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2247 | |
| 2248 | /* Allocate memory for the device structures. |
| 2249 | * A non-Null pointer at an offset |
| 2250 | * indicates a device exists. |
| 2251 | * max_id = 1 + maximum id (hosts.h) |
| 2252 | */ |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2253 | hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC); |
| 2254 | if (!hd->Targets) { |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2255 | error = -ENOMEM; |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2256 | goto out_mptsas_probe; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2257 | } |
| 2258 | |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2259 | dprintk((KERN_INFO " vtarget @ %p\n", hd->Targets)); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2260 | |
| 2261 | /* Clear the TM flags |
| 2262 | */ |
| 2263 | hd->tmPending = 0; |
| 2264 | hd->tmState = TM_STATE_NONE; |
| 2265 | hd->resetPending = 0; |
| 2266 | hd->abortSCpnt = NULL; |
| 2267 | |
| 2268 | /* Clear the pointer used to store |
| 2269 | * single-threaded commands, i.e., those |
| 2270 | * issued during a bus scan, dv and |
| 2271 | * configuration pages. |
| 2272 | */ |
| 2273 | hd->cmdPtr = NULL; |
| 2274 | |
| 2275 | /* Initialize this SCSI Hosts' timers |
| 2276 | * To use, set the timer expires field |
| 2277 | * and add_timer |
| 2278 | */ |
| 2279 | init_timer(&hd->timer); |
| 2280 | hd->timer.data = (unsigned long) hd; |
| 2281 | hd->timer.function = mptscsih_timer_expired; |
| 2282 | |
| 2283 | hd->mpt_pq_filter = mpt_pq_filter; |
| 2284 | ioc->sas_data.ptClear = mpt_pt_clear; |
| 2285 | |
| 2286 | if (ioc->sas_data.ptClear==1) { |
| 2287 | mptbase_sas_persist_operation( |
| 2288 | ioc, MPI_SAS_OP_CLEAR_ALL_PERSISTENT); |
| 2289 | } |
| 2290 | |
| 2291 | ddvprintk((MYIOC_s_INFO_FMT |
| 2292 | "mpt_pq_filter %x mpt_pq_filter %x\n", |
| 2293 | ioc->name, |
| 2294 | mpt_pq_filter, |
| 2295 | mpt_pq_filter)); |
| 2296 | |
| 2297 | init_waitqueue_head(&hd->scandv_waitq); |
| 2298 | hd->scandv_wait_done = 0; |
| 2299 | hd->last_queue_full = 0; |
| 2300 | |
| 2301 | error = scsi_add_host(sh, &ioc->pcidev->dev); |
| 2302 | if (error) { |
| 2303 | dprintk((KERN_ERR MYNAM |
| 2304 | "scsi_add_host failed\n")); |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2305 | goto out_mptsas_probe; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2306 | } |
| 2307 | |
| 2308 | mptsas_scan_sas_topology(ioc); |
| 2309 | |
| 2310 | return 0; |
| 2311 | |
Moore, Eric Dean | 7acec1e | 2005-11-16 18:54:17 -0700 | [diff] [blame] | 2312 | out_mptsas_probe: |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2313 | |
| 2314 | mptscsih_remove(pdev); |
| 2315 | return error; |
| 2316 | } |
| 2317 | |
| 2318 | static void __devexit mptsas_remove(struct pci_dev *pdev) |
| 2319 | { |
| 2320 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| 2321 | struct mptsas_portinfo *p, *n; |
| 2322 | |
Moore, Eric | e6b2d76 | 2006-03-14 09:14:24 -0700 | [diff] [blame] | 2323 | ioc->sas_discovery_ignore_events=1; |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2324 | sas_remove_host(ioc->sh); |
| 2325 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2326 | mutex_lock(&ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2327 | list_for_each_entry_safe(p, n, &ioc->sas_topology, list) { |
| 2328 | list_del(&p->list); |
Moore, Eric | db9c917 | 2006-03-14 09:14:18 -0700 | [diff] [blame] | 2329 | if (p->phy_info) |
| 2330 | kfree(p->phy_info); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2331 | kfree(p); |
| 2332 | } |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2333 | mutex_unlock(&ioc->sas_topology_mutex); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2334 | |
| 2335 | mptscsih_remove(pdev); |
| 2336 | } |
| 2337 | |
| 2338 | static struct pci_device_id mptsas_pci_table[] = { |
| 2339 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064, |
| 2340 | PCI_ANY_ID, PCI_ANY_ID }, |
| 2341 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066, |
| 2342 | PCI_ANY_ID, PCI_ANY_ID }, |
| 2343 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068, |
| 2344 | PCI_ANY_ID, PCI_ANY_ID }, |
| 2345 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1064E, |
| 2346 | PCI_ANY_ID, PCI_ANY_ID }, |
| 2347 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1066E, |
| 2348 | PCI_ANY_ID, PCI_ANY_ID }, |
| 2349 | { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_SAS1068E, |
| 2350 | PCI_ANY_ID, PCI_ANY_ID }, |
| 2351 | {0} /* Terminating entry */ |
| 2352 | }; |
| 2353 | MODULE_DEVICE_TABLE(pci, mptsas_pci_table); |
| 2354 | |
| 2355 | |
| 2356 | static struct pci_driver mptsas_driver = { |
| 2357 | .name = "mptsas", |
| 2358 | .id_table = mptsas_pci_table, |
| 2359 | .probe = mptsas_probe, |
| 2360 | .remove = __devexit_p(mptsas_remove), |
| 2361 | .shutdown = mptscsih_shutdown, |
| 2362 | #ifdef CONFIG_PM |
| 2363 | .suspend = mptscsih_suspend, |
| 2364 | .resume = mptscsih_resume, |
| 2365 | #endif |
| 2366 | }; |
| 2367 | |
| 2368 | static int __init |
| 2369 | mptsas_init(void) |
| 2370 | { |
| 2371 | show_mptmod_ver(my_NAME, my_VERSION); |
| 2372 | |
| 2373 | mptsas_transport_template = |
| 2374 | sas_attach_transport(&mptsas_transport_functions); |
| 2375 | if (!mptsas_transport_template) |
| 2376 | return -ENODEV; |
| 2377 | |
| 2378 | mptsasDoneCtx = mpt_register(mptscsih_io_done, MPTSAS_DRIVER); |
| 2379 | mptsasTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSAS_DRIVER); |
| 2380 | mptsasInternalCtx = |
| 2381 | mpt_register(mptscsih_scandv_complete, MPTSAS_DRIVER); |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 2382 | mptsasMgmtCtx = mpt_register(mptsas_mgmt_done, MPTSAS_DRIVER); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2383 | |
Christoph Hellwig | 9a28f49 | 2006-01-13 18:04:41 +0100 | [diff] [blame] | 2384 | if (mpt_event_register(mptsasDoneCtx, mptsas_event_process) == 0) { |
Moore, Eric | 3a892be | 2006-03-14 09:14:03 -0700 | [diff] [blame] | 2385 | devtverboseprintk((KERN_INFO MYNAM |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2386 | ": Registered for IOC event notifications\n")); |
| 2387 | } |
| 2388 | |
| 2389 | if (mpt_reset_register(mptsasDoneCtx, mptscsih_ioc_reset) == 0) { |
| 2390 | dprintk((KERN_INFO MYNAM |
| 2391 | ": Registered for IOC reset notifications\n")); |
| 2392 | } |
| 2393 | |
| 2394 | return pci_register_driver(&mptsas_driver); |
| 2395 | } |
| 2396 | |
| 2397 | static void __exit |
| 2398 | mptsas_exit(void) |
| 2399 | { |
| 2400 | pci_unregister_driver(&mptsas_driver); |
| 2401 | sas_release_transport(mptsas_transport_template); |
| 2402 | |
| 2403 | mpt_reset_deregister(mptsasDoneCtx); |
| 2404 | mpt_event_deregister(mptsasDoneCtx); |
| 2405 | |
Christoph Hellwig | da4fa65 | 2005-10-19 20:01:42 +0200 | [diff] [blame] | 2406 | mpt_deregister(mptsasMgmtCtx); |
Christoph Hellwig | 0c33b27 | 2005-09-09 16:27:19 +0200 | [diff] [blame] | 2407 | mpt_deregister(mptsasInternalCtx); |
| 2408 | mpt_deregister(mptsasTaskCtx); |
| 2409 | mpt_deregister(mptsasDoneCtx); |
| 2410 | } |
| 2411 | |
| 2412 | module_init(mptsas_init); |
| 2413 | module_exit(mptsas_exit); |