Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1 | /* |
| 2 | * SAS Transport Layer for MPT (Message Passing Technology) based controllers |
| 3 | * |
| 4 | * This code is based on drivers/scsi/mpt3sas/mpt3sas_transport.c |
Sreekanth Reddy | a4ffce0 | 2014-09-12 15:35:29 +0530 | [diff] [blame] | 5 | * Copyright (C) 2012-2014 LSI Corporation |
Sreekanth Reddy | a03bd15 | 2015-01-12 11:39:02 +0530 | [diff] [blame] | 6 | * Copyright (C) 2013-2014 Avago Technologies |
| 7 | * (mailto: MPT-FusionLinux.pdl@avagotech.com) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 8 | * |
| 9 | * This program is free software; you can redistribute it and/or |
| 10 | * modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation; either version 2 |
| 12 | * of the License, or (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * NO WARRANTY |
| 20 | * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| 21 | * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| 22 | * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| 23 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| 24 | * solely responsible for determining the appropriateness of using and |
| 25 | * distributing the Program and assumes all risks associated with its |
| 26 | * exercise of rights under this Agreement, including but not limited to |
| 27 | * the risks and costs of program errors, damage to or loss of data, |
| 28 | * programs or equipment, and unavailability or interruption of operations. |
| 29 | |
| 30 | * DISCLAIMER OF LIABILITY |
| 31 | * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| 32 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 33 | * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| 34 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 35 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 36 | * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| 37 | * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| 38 | |
| 39 | * You should have received a copy of the GNU General Public License |
| 40 | * along with this program; if not, write to the Free Software |
| 41 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| 42 | * USA. |
| 43 | */ |
| 44 | |
| 45 | #include <linux/module.h> |
| 46 | #include <linux/kernel.h> |
| 47 | #include <linux/init.h> |
| 48 | #include <linux/errno.h> |
| 49 | #include <linux/sched.h> |
| 50 | #include <linux/workqueue.h> |
| 51 | #include <linux/delay.h> |
| 52 | #include <linux/pci.h> |
| 53 | |
| 54 | #include <scsi/scsi.h> |
| 55 | #include <scsi/scsi_cmnd.h> |
| 56 | #include <scsi/scsi_device.h> |
| 57 | #include <scsi/scsi_host.h> |
| 58 | #include <scsi/scsi_transport_sas.h> |
| 59 | #include <scsi/scsi_dbg.h> |
| 60 | |
| 61 | #include "mpt3sas_base.h" |
| 62 | |
| 63 | /** |
| 64 | * _transport_sas_node_find_by_sas_address - sas node search |
| 65 | * @ioc: per adapter object |
| 66 | * @sas_address: sas address of expander or sas host |
| 67 | * Context: Calling function should acquire ioc->sas_node_lock. |
| 68 | * |
| 69 | * Search for either hba phys or expander device based on handle, then returns |
| 70 | * the sas_node object. |
| 71 | */ |
| 72 | static struct _sas_node * |
| 73 | _transport_sas_node_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, |
| 74 | u64 sas_address) |
| 75 | { |
| 76 | if (ioc->sas_hba.sas_address == sas_address) |
| 77 | return &ioc->sas_hba; |
| 78 | else |
| 79 | return mpt3sas_scsih_expander_find_by_sas_address(ioc, |
| 80 | sas_address); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * _transport_convert_phy_link_rate - |
| 85 | * @link_rate: link rate returned from mpt firmware |
| 86 | * |
| 87 | * Convert link_rate from mpi fusion into sas_transport form. |
| 88 | */ |
| 89 | static enum sas_linkrate |
| 90 | _transport_convert_phy_link_rate(u8 link_rate) |
| 91 | { |
| 92 | enum sas_linkrate rc; |
| 93 | |
| 94 | switch (link_rate) { |
| 95 | case MPI2_SAS_NEG_LINK_RATE_1_5: |
| 96 | rc = SAS_LINK_RATE_1_5_GBPS; |
| 97 | break; |
| 98 | case MPI2_SAS_NEG_LINK_RATE_3_0: |
| 99 | rc = SAS_LINK_RATE_3_0_GBPS; |
| 100 | break; |
| 101 | case MPI2_SAS_NEG_LINK_RATE_6_0: |
| 102 | rc = SAS_LINK_RATE_6_0_GBPS; |
| 103 | break; |
| 104 | case MPI25_SAS_NEG_LINK_RATE_12_0: |
| 105 | rc = SAS_LINK_RATE_12_0_GBPS; |
| 106 | break; |
| 107 | case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED: |
| 108 | rc = SAS_PHY_DISABLED; |
| 109 | break; |
| 110 | case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED: |
| 111 | rc = SAS_LINK_RATE_FAILED; |
| 112 | break; |
| 113 | case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR: |
| 114 | rc = SAS_SATA_PORT_SELECTOR; |
| 115 | break; |
| 116 | case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS: |
| 117 | rc = SAS_PHY_RESET_IN_PROGRESS; |
| 118 | break; |
| 119 | |
| 120 | default: |
| 121 | case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE: |
| 122 | case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE: |
| 123 | rc = SAS_LINK_RATE_UNKNOWN; |
| 124 | break; |
| 125 | } |
| 126 | return rc; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * _transport_set_identify - set identify for phys and end devices |
| 131 | * @ioc: per adapter object |
| 132 | * @handle: device handle |
| 133 | * @identify: sas identify info |
| 134 | * |
| 135 | * Populates sas identify info. |
| 136 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 137 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 138 | */ |
| 139 | static int |
| 140 | _transport_set_identify(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| 141 | struct sas_identify *identify) |
| 142 | { |
| 143 | Mpi2SasDevicePage0_t sas_device_pg0; |
| 144 | Mpi2ConfigReply_t mpi_reply; |
| 145 | u32 device_info; |
| 146 | u32 ioc_status; |
| 147 | |
| 148 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
Joe Perches | 4dc74b2 | 2018-09-17 08:01:10 -0700 | [diff] [blame] | 149 | ioc_info(ioc, "%s: host reset in progress!\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 150 | return -EFAULT; |
| 151 | } |
| 152 | |
| 153 | if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, |
| 154 | MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 155 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 156 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 157 | return -ENXIO; |
| 158 | } |
| 159 | |
| 160 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 161 | MPI2_IOCSTATUS_MASK; |
| 162 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 163 | ioc_err(ioc, "handle(0x%04x), ioc_status(0x%04x) failure at %s:%d/%s()!\n", |
| 164 | handle, ioc_status, __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 165 | return -EIO; |
| 166 | } |
| 167 | |
| 168 | memset(identify, 0, sizeof(struct sas_identify)); |
| 169 | device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); |
| 170 | |
| 171 | /* sas_address */ |
| 172 | identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress); |
| 173 | |
| 174 | /* phy number of the parent device this device is linked to */ |
| 175 | identify->phy_identifier = sas_device_pg0.PhyNum; |
| 176 | |
| 177 | /* device_type */ |
| 178 | switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) { |
| 179 | case MPI2_SAS_DEVICE_INFO_NO_DEVICE: |
| 180 | identify->device_type = SAS_PHY_UNUSED; |
| 181 | break; |
| 182 | case MPI2_SAS_DEVICE_INFO_END_DEVICE: |
| 183 | identify->device_type = SAS_END_DEVICE; |
| 184 | break; |
| 185 | case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER: |
| 186 | identify->device_type = SAS_EDGE_EXPANDER_DEVICE; |
| 187 | break; |
| 188 | case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER: |
| 189 | identify->device_type = SAS_FANOUT_EXPANDER_DEVICE; |
| 190 | break; |
| 191 | } |
| 192 | |
| 193 | /* initiator_port_protocols */ |
| 194 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR) |
| 195 | identify->initiator_port_protocols |= SAS_PROTOCOL_SSP; |
| 196 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR) |
| 197 | identify->initiator_port_protocols |= SAS_PROTOCOL_STP; |
| 198 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR) |
| 199 | identify->initiator_port_protocols |= SAS_PROTOCOL_SMP; |
| 200 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST) |
| 201 | identify->initiator_port_protocols |= SAS_PROTOCOL_SATA; |
| 202 | |
| 203 | /* target_port_protocols */ |
| 204 | if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
| 205 | identify->target_port_protocols |= SAS_PROTOCOL_SSP; |
| 206 | if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
| 207 | identify->target_port_protocols |= SAS_PROTOCOL_STP; |
| 208 | if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) |
| 209 | identify->target_port_protocols |= SAS_PROTOCOL_SMP; |
| 210 | if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) |
| 211 | identify->target_port_protocols |= SAS_PROTOCOL_SATA; |
| 212 | |
| 213 | return 0; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * mpt3sas_transport_done - internal transport layer callback handler. |
| 218 | * @ioc: per adapter object |
| 219 | * @smid: system request message index |
| 220 | * @msix_index: MSIX table index supplied by the OS |
| 221 | * @reply: reply message frame(lower 32bit addr) |
| 222 | * |
| 223 | * Callback handler when sending internal generated transport cmds. |
| 224 | * The callback index passed is `ioc->transport_cb_idx` |
| 225 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 226 | * Return: 1 meaning mf should be freed from _base_interrupt |
| 227 | * 0 means the mf is freed from this function. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 228 | */ |
| 229 | u8 |
| 230 | mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, |
| 231 | u32 reply) |
| 232 | { |
| 233 | MPI2DefaultReply_t *mpi_reply; |
| 234 | |
| 235 | mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); |
| 236 | if (ioc->transport_cmds.status == MPT3_CMD_NOT_USED) |
| 237 | return 1; |
| 238 | if (ioc->transport_cmds.smid != smid) |
| 239 | return 1; |
| 240 | ioc->transport_cmds.status |= MPT3_CMD_COMPLETE; |
| 241 | if (mpi_reply) { |
| 242 | memcpy(ioc->transport_cmds.reply, mpi_reply, |
| 243 | mpi_reply->MsgLength*4); |
| 244 | ioc->transport_cmds.status |= MPT3_CMD_REPLY_VALID; |
| 245 | } |
| 246 | ioc->transport_cmds.status &= ~MPT3_CMD_PENDING; |
| 247 | complete(&ioc->transport_cmds.done); |
| 248 | return 1; |
| 249 | } |
| 250 | |
| 251 | /* report manufacture request structure */ |
| 252 | struct rep_manu_request { |
| 253 | u8 smp_frame_type; |
| 254 | u8 function; |
| 255 | u8 reserved; |
| 256 | u8 request_length; |
| 257 | }; |
| 258 | |
| 259 | /* report manufacture reply structure */ |
| 260 | struct rep_manu_reply { |
| 261 | u8 smp_frame_type; /* 0x41 */ |
| 262 | u8 function; /* 0x01 */ |
| 263 | u8 function_result; |
| 264 | u8 response_length; |
| 265 | u16 expander_change_count; |
| 266 | u8 reserved0[2]; |
| 267 | u8 sas_format; |
| 268 | u8 reserved2[3]; |
| 269 | u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN]; |
| 270 | u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN]; |
| 271 | u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN]; |
| 272 | u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN]; |
| 273 | u16 component_id; |
| 274 | u8 component_revision_id; |
| 275 | u8 reserved3; |
| 276 | u8 vendor_specific[8]; |
| 277 | }; |
| 278 | |
| 279 | /** |
| 280 | * transport_expander_report_manufacture - obtain SMP report_manufacture |
| 281 | * @ioc: per adapter object |
| 282 | * @sas_address: expander sas address |
| 283 | * @edev: the sas_expander_device object |
| 284 | * |
| 285 | * Fills in the sas_expander_device object when SMP port is created. |
| 286 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 287 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 288 | */ |
| 289 | static int |
| 290 | _transport_expander_report_manufacture(struct MPT3SAS_ADAPTER *ioc, |
| 291 | u64 sas_address, struct sas_expander_device *edev) |
| 292 | { |
| 293 | Mpi2SmpPassthroughRequest_t *mpi_request; |
| 294 | Mpi2SmpPassthroughReply_t *mpi_reply; |
| 295 | struct rep_manu_reply *manufacture_reply; |
| 296 | struct rep_manu_request *manufacture_request; |
| 297 | int rc; |
| 298 | u16 smid; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 299 | void *psge; |
| 300 | u8 issue_reset = 0; |
| 301 | void *data_out = NULL; |
| 302 | dma_addr_t data_out_dma; |
| 303 | dma_addr_t data_in_dma; |
| 304 | size_t data_in_sz; |
| 305 | size_t data_out_sz; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 306 | |
| 307 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
Joe Perches | 4dc74b2 | 2018-09-17 08:01:10 -0700 | [diff] [blame] | 308 | ioc_info(ioc, "%s: host reset in progress!\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 309 | return -EFAULT; |
| 310 | } |
| 311 | |
| 312 | mutex_lock(&ioc->transport_cmds.mutex); |
| 313 | |
| 314 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 315 | ioc_err(ioc, "%s: transport_cmds in use\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 316 | rc = -EAGAIN; |
| 317 | goto out; |
| 318 | } |
| 319 | ioc->transport_cmds.status = MPT3_CMD_PENDING; |
| 320 | |
Suganath Prabu | f430574 | 2018-10-31 18:53:33 +0530 | [diff] [blame] | 321 | rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT); |
| 322 | if (rc) |
| 323 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 324 | |
| 325 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); |
| 326 | if (!smid) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 327 | ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 328 | rc = -EAGAIN; |
| 329 | goto out; |
| 330 | } |
| 331 | |
| 332 | rc = 0; |
| 333 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 334 | ioc->transport_cmds.smid = smid; |
| 335 | |
| 336 | data_out_sz = sizeof(struct rep_manu_request); |
| 337 | data_in_sz = sizeof(struct rep_manu_reply); |
Christoph Hellwig | 1c2048b | 2018-10-11 09:35:25 +0200 | [diff] [blame] | 338 | data_out = dma_alloc_coherent(&ioc->pdev->dev, data_out_sz + data_in_sz, |
| 339 | &data_out_dma, GFP_KERNEL); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 340 | if (!data_out) { |
| 341 | pr_err("failure at %s:%d/%s()!\n", __FILE__, |
| 342 | __LINE__, __func__); |
| 343 | rc = -ENOMEM; |
| 344 | mpt3sas_base_free_smid(ioc, smid); |
| 345 | goto out; |
| 346 | } |
| 347 | |
| 348 | data_in_dma = data_out_dma + sizeof(struct rep_manu_request); |
| 349 | |
| 350 | manufacture_request = data_out; |
| 351 | manufacture_request->smp_frame_type = 0x40; |
| 352 | manufacture_request->function = 1; |
| 353 | manufacture_request->reserved = 0; |
| 354 | manufacture_request->request_length = 0; |
| 355 | |
| 356 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); |
| 357 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; |
| 358 | mpi_request->PhysicalPort = 0xFF; |
| 359 | mpi_request->SASAddress = cpu_to_le64(sas_address); |
| 360 | mpi_request->RequestDataLength = cpu_to_le16(data_out_sz); |
| 361 | psge = &mpi_request->SGL; |
| 362 | |
| 363 | ioc->build_sg(ioc, psge, data_out_dma, data_out_sz, data_in_dma, |
| 364 | data_in_sz); |
| 365 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 366 | dtransportprintk(ioc, |
| 367 | ioc_info(ioc, "report_manufacture - send to sas_addr(0x%016llx)\n", |
| 368 | (u64)sas_address)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 369 | init_completion(&ioc->transport_cmds.done); |
Suganath Prabu S | 40114bd | 2018-02-14 02:16:37 -0800 | [diff] [blame] | 370 | mpt3sas_base_put_smid_default(ioc, smid); |
Calvin Owens | 8bbb1cf | 2016-07-28 21:38:22 -0700 | [diff] [blame] | 371 | wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 372 | |
| 373 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 374 | ioc_err(ioc, "%s: timeout\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 375 | _debug_dump_mf(mpi_request, |
| 376 | sizeof(Mpi2SmpPassthroughRequest_t)/4); |
| 377 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) |
| 378 | issue_reset = 1; |
| 379 | goto issue_host_reset; |
| 380 | } |
| 381 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 382 | dtransportprintk(ioc, ioc_info(ioc, "report_manufacture - complete\n")); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 383 | |
| 384 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { |
| 385 | u8 *tmp; |
| 386 | |
| 387 | mpi_reply = ioc->transport_cmds.reply; |
| 388 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 389 | dtransportprintk(ioc, |
| 390 | ioc_info(ioc, "report_manufacture - reply data transfer size(%d)\n", |
| 391 | le16_to_cpu(mpi_reply->ResponseDataLength))); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 392 | |
| 393 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != |
| 394 | sizeof(struct rep_manu_reply)) |
| 395 | goto out; |
| 396 | |
| 397 | manufacture_reply = data_out + sizeof(struct rep_manu_request); |
| 398 | strncpy(edev->vendor_id, manufacture_reply->vendor_id, |
| 399 | SAS_EXPANDER_VENDOR_ID_LEN); |
| 400 | strncpy(edev->product_id, manufacture_reply->product_id, |
| 401 | SAS_EXPANDER_PRODUCT_ID_LEN); |
| 402 | strncpy(edev->product_rev, manufacture_reply->product_rev, |
| 403 | SAS_EXPANDER_PRODUCT_REV_LEN); |
| 404 | edev->level = manufacture_reply->sas_format & 1; |
| 405 | if (edev->level) { |
| 406 | strncpy(edev->component_vendor_id, |
| 407 | manufacture_reply->component_vendor_id, |
| 408 | SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN); |
| 409 | tmp = (u8 *)&manufacture_reply->component_id; |
| 410 | edev->component_id = tmp[0] << 8 | tmp[1]; |
| 411 | edev->component_revision_id = |
| 412 | manufacture_reply->component_revision_id; |
| 413 | } |
| 414 | } else |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 415 | dtransportprintk(ioc, |
| 416 | ioc_info(ioc, "report_manufacture - no reply\n")); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 417 | |
| 418 | issue_host_reset: |
| 419 | if (issue_reset) |
Calvin Owens | 98c56ad | 2016-07-28 21:38:21 -0700 | [diff] [blame] | 420 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 421 | out: |
| 422 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; |
| 423 | if (data_out) |
Christoph Hellwig | 1c2048b | 2018-10-11 09:35:25 +0200 | [diff] [blame] | 424 | dma_free_coherent(&ioc->pdev->dev, data_out_sz + data_in_sz, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 425 | data_out, data_out_dma); |
| 426 | |
| 427 | mutex_unlock(&ioc->transport_cmds.mutex); |
| 428 | return rc; |
| 429 | } |
| 430 | |
| 431 | |
| 432 | /** |
| 433 | * _transport_delete_port - helper function to removing a port |
| 434 | * @ioc: per adapter object |
| 435 | * @mpt3sas_port: mpt3sas per port object |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 436 | */ |
| 437 | static void |
| 438 | _transport_delete_port(struct MPT3SAS_ADAPTER *ioc, |
| 439 | struct _sas_port *mpt3sas_port) |
| 440 | { |
| 441 | u64 sas_address = mpt3sas_port->remote_identify.sas_address; |
| 442 | enum sas_device_type device_type = |
| 443 | mpt3sas_port->remote_identify.device_type; |
| 444 | |
| 445 | dev_printk(KERN_INFO, &mpt3sas_port->port->dev, |
| 446 | "remove: sas_addr(0x%016llx)\n", |
| 447 | (unsigned long long) sas_address); |
| 448 | |
| 449 | ioc->logging_level |= MPT_DEBUG_TRANSPORT; |
| 450 | if (device_type == SAS_END_DEVICE) |
| 451 | mpt3sas_device_remove_by_sas_address(ioc, sas_address); |
| 452 | else if (device_type == SAS_EDGE_EXPANDER_DEVICE || |
| 453 | device_type == SAS_FANOUT_EXPANDER_DEVICE) |
| 454 | mpt3sas_expander_remove(ioc, sas_address); |
| 455 | ioc->logging_level &= ~MPT_DEBUG_TRANSPORT; |
| 456 | } |
| 457 | |
| 458 | /** |
| 459 | * _transport_delete_phy - helper function to removing single phy from port |
| 460 | * @ioc: per adapter object |
| 461 | * @mpt3sas_port: mpt3sas per port object |
| 462 | * @mpt3sas_phy: mpt3sas per phy object |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 463 | */ |
| 464 | static void |
| 465 | _transport_delete_phy(struct MPT3SAS_ADAPTER *ioc, |
| 466 | struct _sas_port *mpt3sas_port, struct _sas_phy *mpt3sas_phy) |
| 467 | { |
| 468 | u64 sas_address = mpt3sas_port->remote_identify.sas_address; |
| 469 | |
| 470 | dev_printk(KERN_INFO, &mpt3sas_phy->phy->dev, |
| 471 | "remove: sas_addr(0x%016llx), phy(%d)\n", |
| 472 | (unsigned long long) sas_address, mpt3sas_phy->phy_id); |
| 473 | |
| 474 | list_del(&mpt3sas_phy->port_siblings); |
| 475 | mpt3sas_port->num_phys--; |
| 476 | sas_port_delete_phy(mpt3sas_port->port, mpt3sas_phy->phy); |
| 477 | mpt3sas_phy->phy_belongs_to_port = 0; |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * _transport_add_phy - helper function to adding single phy to port |
| 482 | * @ioc: per adapter object |
| 483 | * @mpt3sas_port: mpt3sas per port object |
| 484 | * @mpt3sas_phy: mpt3sas per phy object |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 485 | */ |
| 486 | static void |
| 487 | _transport_add_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_port *mpt3sas_port, |
| 488 | struct _sas_phy *mpt3sas_phy) |
| 489 | { |
| 490 | u64 sas_address = mpt3sas_port->remote_identify.sas_address; |
| 491 | |
| 492 | dev_printk(KERN_INFO, &mpt3sas_phy->phy->dev, |
| 493 | "add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long) |
| 494 | sas_address, mpt3sas_phy->phy_id); |
| 495 | |
| 496 | list_add_tail(&mpt3sas_phy->port_siblings, &mpt3sas_port->phy_list); |
| 497 | mpt3sas_port->num_phys++; |
| 498 | sas_port_add_phy(mpt3sas_port->port, mpt3sas_phy->phy); |
| 499 | mpt3sas_phy->phy_belongs_to_port = 1; |
| 500 | } |
| 501 | |
| 502 | /** |
| 503 | * _transport_add_phy_to_an_existing_port - adding new phy to existing port |
| 504 | * @ioc: per adapter object |
| 505 | * @sas_node: sas node object (either expander or sas host) |
| 506 | * @mpt3sas_phy: mpt3sas per phy object |
| 507 | * @sas_address: sas address of device/expander were phy needs to be added to |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 508 | */ |
| 509 | static void |
| 510 | _transport_add_phy_to_an_existing_port(struct MPT3SAS_ADAPTER *ioc, |
| 511 | struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy, |
| 512 | u64 sas_address) |
| 513 | { |
| 514 | struct _sas_port *mpt3sas_port; |
| 515 | struct _sas_phy *phy_srch; |
| 516 | |
| 517 | if (mpt3sas_phy->phy_belongs_to_port == 1) |
| 518 | return; |
| 519 | |
| 520 | list_for_each_entry(mpt3sas_port, &sas_node->sas_port_list, |
| 521 | port_list) { |
| 522 | if (mpt3sas_port->remote_identify.sas_address != |
| 523 | sas_address) |
| 524 | continue; |
| 525 | list_for_each_entry(phy_srch, &mpt3sas_port->phy_list, |
| 526 | port_siblings) { |
| 527 | if (phy_srch == mpt3sas_phy) |
| 528 | return; |
| 529 | } |
| 530 | _transport_add_phy(ioc, mpt3sas_port, mpt3sas_phy); |
Bart Van Assche | 199fd79 | 2018-06-15 14:41:54 -0700 | [diff] [blame] | 531 | return; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 532 | } |
| 533 | |
| 534 | } |
| 535 | |
| 536 | /** |
| 537 | * _transport_del_phy_from_an_existing_port - delete phy from existing port |
| 538 | * @ioc: per adapter object |
| 539 | * @sas_node: sas node object (either expander or sas host) |
| 540 | * @mpt3sas_phy: mpt3sas per phy object |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 541 | */ |
| 542 | static void |
| 543 | _transport_del_phy_from_an_existing_port(struct MPT3SAS_ADAPTER *ioc, |
| 544 | struct _sas_node *sas_node, struct _sas_phy *mpt3sas_phy) |
| 545 | { |
| 546 | struct _sas_port *mpt3sas_port, *next; |
| 547 | struct _sas_phy *phy_srch; |
| 548 | |
| 549 | if (mpt3sas_phy->phy_belongs_to_port == 0) |
| 550 | return; |
| 551 | |
| 552 | list_for_each_entry_safe(mpt3sas_port, next, &sas_node->sas_port_list, |
| 553 | port_list) { |
| 554 | list_for_each_entry(phy_srch, &mpt3sas_port->phy_list, |
| 555 | port_siblings) { |
| 556 | if (phy_srch != mpt3sas_phy) |
| 557 | continue; |
| 558 | |
| 559 | if (mpt3sas_port->num_phys == 1) |
| 560 | _transport_delete_port(ioc, mpt3sas_port); |
| 561 | else |
| 562 | _transport_delete_phy(ioc, mpt3sas_port, |
| 563 | mpt3sas_phy); |
| 564 | return; |
| 565 | } |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | /** |
| 570 | * _transport_sanity_check - sanity check when adding a new port |
| 571 | * @ioc: per adapter object |
| 572 | * @sas_node: sas node object (either expander or sas host) |
| 573 | * @sas_address: sas address of device being added |
| 574 | * |
| 575 | * See the explanation above from _transport_delete_duplicate_port |
| 576 | */ |
| 577 | static void |
| 578 | _transport_sanity_check(struct MPT3SAS_ADAPTER *ioc, struct _sas_node *sas_node, |
| 579 | u64 sas_address) |
| 580 | { |
| 581 | int i; |
| 582 | |
| 583 | for (i = 0; i < sas_node->num_phys; i++) { |
| 584 | if (sas_node->phy[i].remote_identify.sas_address != sas_address) |
| 585 | continue; |
| 586 | if (sas_node->phy[i].phy_belongs_to_port == 1) |
| 587 | _transport_del_phy_from_an_existing_port(ioc, sas_node, |
| 588 | &sas_node->phy[i]); |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | /** |
| 593 | * mpt3sas_transport_port_add - insert port to the list |
| 594 | * @ioc: per adapter object |
| 595 | * @handle: handle of attached device |
| 596 | * @sas_address: sas address of parent expander or sas host |
| 597 | * Context: This function will acquire ioc->sas_node_lock. |
| 598 | * |
| 599 | * Adding new port object to the sas_node->sas_port_list. |
| 600 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 601 | * Return: mpt3sas_port. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 602 | */ |
| 603 | struct _sas_port * |
| 604 | mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, u16 handle, |
| 605 | u64 sas_address) |
| 606 | { |
| 607 | struct _sas_phy *mpt3sas_phy, *next; |
| 608 | struct _sas_port *mpt3sas_port; |
| 609 | unsigned long flags; |
| 610 | struct _sas_node *sas_node; |
| 611 | struct sas_rphy *rphy; |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 612 | struct _sas_device *sas_device = NULL; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 613 | int i; |
| 614 | struct sas_port *port; |
| 615 | |
| 616 | mpt3sas_port = kzalloc(sizeof(struct _sas_port), |
| 617 | GFP_KERNEL); |
| 618 | if (!mpt3sas_port) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 619 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 620 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 621 | return NULL; |
| 622 | } |
| 623 | |
| 624 | INIT_LIST_HEAD(&mpt3sas_port->port_list); |
| 625 | INIT_LIST_HEAD(&mpt3sas_port->phy_list); |
| 626 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 627 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
| 628 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 629 | |
| 630 | if (!sas_node) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 631 | ioc_err(ioc, "%s: Could not find parent sas_address(0x%016llx)!\n", |
| 632 | __func__, (u64)sas_address); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 633 | goto out_fail; |
| 634 | } |
| 635 | |
| 636 | if ((_transport_set_identify(ioc, handle, |
| 637 | &mpt3sas_port->remote_identify))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 638 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 639 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 640 | goto out_fail; |
| 641 | } |
| 642 | |
| 643 | if (mpt3sas_port->remote_identify.device_type == SAS_PHY_UNUSED) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 644 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 645 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 646 | goto out_fail; |
| 647 | } |
| 648 | |
| 649 | _transport_sanity_check(ioc, sas_node, |
| 650 | mpt3sas_port->remote_identify.sas_address); |
| 651 | |
| 652 | for (i = 0; i < sas_node->num_phys; i++) { |
| 653 | if (sas_node->phy[i].remote_identify.sas_address != |
| 654 | mpt3sas_port->remote_identify.sas_address) |
| 655 | continue; |
| 656 | list_add_tail(&sas_node->phy[i].port_siblings, |
| 657 | &mpt3sas_port->phy_list); |
| 658 | mpt3sas_port->num_phys++; |
| 659 | } |
| 660 | |
| 661 | if (!mpt3sas_port->num_phys) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 662 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 663 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 664 | goto out_fail; |
| 665 | } |
| 666 | |
Joe Lawrence | ad2bf16 | 2016-05-25 15:14:29 -0400 | [diff] [blame] | 667 | if (!sas_node->parent_dev) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 668 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 669 | __FILE__, __LINE__, __func__); |
Joe Lawrence | ad2bf16 | 2016-05-25 15:14:29 -0400 | [diff] [blame] | 670 | goto out_fail; |
| 671 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 672 | port = sas_port_alloc_num(sas_node->parent_dev); |
| 673 | if ((sas_port_add(port))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 674 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 675 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 676 | goto out_fail; |
| 677 | } |
| 678 | |
| 679 | list_for_each_entry(mpt3sas_phy, &mpt3sas_port->phy_list, |
| 680 | port_siblings) { |
| 681 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
| 682 | dev_printk(KERN_INFO, &port->dev, |
| 683 | "add: handle(0x%04x), sas_addr(0x%016llx), phy(%d)\n", |
| 684 | handle, (unsigned long long) |
| 685 | mpt3sas_port->remote_identify.sas_address, |
| 686 | mpt3sas_phy->phy_id); |
| 687 | sas_port_add_phy(port, mpt3sas_phy->phy); |
| 688 | mpt3sas_phy->phy_belongs_to_port = 1; |
| 689 | } |
| 690 | |
| 691 | mpt3sas_port->port = port; |
| 692 | if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) |
| 693 | rphy = sas_end_device_alloc(port); |
| 694 | else |
| 695 | rphy = sas_expander_alloc(port, |
| 696 | mpt3sas_port->remote_identify.device_type); |
| 697 | |
| 698 | rphy->identify = mpt3sas_port->remote_identify; |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 699 | |
| 700 | if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 701 | sas_device = mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 702 | mpt3sas_port->remote_identify.sas_address); |
| 703 | if (!sas_device) { |
Joe Perches | 1f95a47 | 2018-09-17 08:01:13 -0700 | [diff] [blame] | 704 | dfailprintk(ioc, |
| 705 | ioc_info(ioc, "failure at %s:%d/%s()!\n", |
| 706 | __FILE__, __LINE__, __func__)); |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 707 | goto out_fail; |
| 708 | } |
| 709 | sas_device->pend_sas_rphy_add = 1; |
| 710 | } |
| 711 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 712 | if ((sas_rphy_add(rphy))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 713 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 714 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 715 | } |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 716 | |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 717 | if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 718 | sas_device->pend_sas_rphy_add = 0; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 719 | sas_device_put(sas_device); |
| 720 | } |
Sreekanth Reddy | e4bc7f5 | 2015-06-30 12:24:49 +0530 | [diff] [blame] | 721 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 722 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
| 723 | dev_printk(KERN_INFO, &rphy->dev, |
| 724 | "add: handle(0x%04x), sas_addr(0x%016llx)\n", |
| 725 | handle, (unsigned long long) |
| 726 | mpt3sas_port->remote_identify.sas_address); |
| 727 | mpt3sas_port->rphy = rphy; |
| 728 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 729 | list_add_tail(&mpt3sas_port->port_list, &sas_node->sas_port_list); |
| 730 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 731 | |
| 732 | /* fill in report manufacture */ |
| 733 | if (mpt3sas_port->remote_identify.device_type == |
| 734 | MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || |
| 735 | mpt3sas_port->remote_identify.device_type == |
| 736 | MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) |
| 737 | _transport_expander_report_manufacture(ioc, |
| 738 | mpt3sas_port->remote_identify.sas_address, |
| 739 | rphy_to_expander_device(rphy)); |
| 740 | return mpt3sas_port; |
| 741 | |
| 742 | out_fail: |
| 743 | list_for_each_entry_safe(mpt3sas_phy, next, &mpt3sas_port->phy_list, |
| 744 | port_siblings) |
| 745 | list_del(&mpt3sas_phy->port_siblings); |
| 746 | kfree(mpt3sas_port); |
| 747 | return NULL; |
| 748 | } |
| 749 | |
| 750 | /** |
| 751 | * mpt3sas_transport_port_remove - remove port from the list |
| 752 | * @ioc: per adapter object |
| 753 | * @sas_address: sas address of attached device |
| 754 | * @sas_address_parent: sas address of parent expander or sas host |
| 755 | * Context: This function will acquire ioc->sas_node_lock. |
| 756 | * |
| 757 | * Removing object and freeing associated memory from the |
| 758 | * ioc->sas_port_list. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 759 | */ |
| 760 | void |
| 761 | mpt3sas_transport_port_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, |
| 762 | u64 sas_address_parent) |
| 763 | { |
| 764 | int i; |
| 765 | unsigned long flags; |
| 766 | struct _sas_port *mpt3sas_port, *next; |
| 767 | struct _sas_node *sas_node; |
| 768 | u8 found = 0; |
| 769 | struct _sas_phy *mpt3sas_phy, *next_phy; |
| 770 | |
| 771 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 772 | sas_node = _transport_sas_node_find_by_sas_address(ioc, |
| 773 | sas_address_parent); |
| 774 | if (!sas_node) { |
| 775 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 776 | return; |
| 777 | } |
| 778 | list_for_each_entry_safe(mpt3sas_port, next, &sas_node->sas_port_list, |
| 779 | port_list) { |
| 780 | if (mpt3sas_port->remote_identify.sas_address != sas_address) |
| 781 | continue; |
| 782 | found = 1; |
| 783 | list_del(&mpt3sas_port->port_list); |
| 784 | goto out; |
| 785 | } |
| 786 | out: |
| 787 | if (!found) { |
| 788 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 789 | return; |
| 790 | } |
| 791 | |
| 792 | for (i = 0; i < sas_node->num_phys; i++) { |
| 793 | if (sas_node->phy[i].remote_identify.sas_address == sas_address) |
| 794 | memset(&sas_node->phy[i].remote_identify, 0 , |
| 795 | sizeof(struct sas_identify)); |
| 796 | } |
| 797 | |
| 798 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 799 | |
| 800 | list_for_each_entry_safe(mpt3sas_phy, next_phy, |
| 801 | &mpt3sas_port->phy_list, port_siblings) { |
| 802 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
| 803 | dev_printk(KERN_INFO, &mpt3sas_port->port->dev, |
| 804 | "remove: sas_addr(0x%016llx), phy(%d)\n", |
| 805 | (unsigned long long) |
| 806 | mpt3sas_port->remote_identify.sas_address, |
| 807 | mpt3sas_phy->phy_id); |
| 808 | mpt3sas_phy->phy_belongs_to_port = 0; |
Suganath Prabu | dc73021 | 2018-10-31 18:53:35 +0530 | [diff] [blame] | 809 | if (!ioc->remove_host) |
| 810 | sas_port_delete_phy(mpt3sas_port->port, |
| 811 | mpt3sas_phy->phy); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 812 | list_del(&mpt3sas_phy->port_siblings); |
| 813 | } |
Suganath Prabu | dc73021 | 2018-10-31 18:53:35 +0530 | [diff] [blame] | 814 | if (!ioc->remove_host) |
| 815 | sas_port_delete(mpt3sas_port->port); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 816 | kfree(mpt3sas_port); |
| 817 | } |
| 818 | |
| 819 | /** |
| 820 | * mpt3sas_transport_add_host_phy - report sas_host phy to transport |
| 821 | * @ioc: per adapter object |
| 822 | * @mpt3sas_phy: mpt3sas per phy object |
| 823 | * @phy_pg0: sas phy page 0 |
| 824 | * @parent_dev: parent device class object |
| 825 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 826 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 827 | */ |
| 828 | int |
| 829 | mpt3sas_transport_add_host_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy |
| 830 | *mpt3sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev) |
| 831 | { |
| 832 | struct sas_phy *phy; |
| 833 | int phy_index = mpt3sas_phy->phy_id; |
| 834 | |
| 835 | |
| 836 | INIT_LIST_HEAD(&mpt3sas_phy->port_siblings); |
| 837 | phy = sas_phy_alloc(parent_dev, phy_index); |
| 838 | if (!phy) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 839 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 840 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 841 | return -1; |
| 842 | } |
| 843 | if ((_transport_set_identify(ioc, mpt3sas_phy->handle, |
| 844 | &mpt3sas_phy->identify))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 845 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 846 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 847 | sas_phy_free(phy); |
| 848 | return -1; |
| 849 | } |
| 850 | phy->identify = mpt3sas_phy->identify; |
| 851 | mpt3sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle); |
| 852 | if (mpt3sas_phy->attached_handle) |
| 853 | _transport_set_identify(ioc, mpt3sas_phy->attached_handle, |
| 854 | &mpt3sas_phy->remote_identify); |
| 855 | phy->identify.phy_identifier = mpt3sas_phy->phy_id; |
| 856 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( |
| 857 | phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); |
| 858 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( |
| 859 | phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); |
| 860 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( |
| 861 | phy_pg0.HwLinkRate >> 4); |
| 862 | phy->minimum_linkrate = _transport_convert_phy_link_rate( |
| 863 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); |
| 864 | phy->maximum_linkrate = _transport_convert_phy_link_rate( |
| 865 | phy_pg0.ProgrammedLinkRate >> 4); |
| 866 | |
| 867 | if ((sas_phy_add(phy))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 868 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 869 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 870 | sas_phy_free(phy); |
| 871 | return -1; |
| 872 | } |
| 873 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
| 874 | dev_printk(KERN_INFO, &phy->dev, |
| 875 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" |
| 876 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", |
| 877 | mpt3sas_phy->handle, (unsigned long long) |
| 878 | mpt3sas_phy->identify.sas_address, |
| 879 | mpt3sas_phy->attached_handle, |
| 880 | (unsigned long long) |
| 881 | mpt3sas_phy->remote_identify.sas_address); |
| 882 | mpt3sas_phy->phy = phy; |
| 883 | return 0; |
| 884 | } |
| 885 | |
| 886 | |
| 887 | /** |
| 888 | * mpt3sas_transport_add_expander_phy - report expander phy to transport |
| 889 | * @ioc: per adapter object |
| 890 | * @mpt3sas_phy: mpt3sas per phy object |
| 891 | * @expander_pg1: expander page 1 |
| 892 | * @parent_dev: parent device class object |
| 893 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 894 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 895 | */ |
| 896 | int |
| 897 | mpt3sas_transport_add_expander_phy(struct MPT3SAS_ADAPTER *ioc, struct _sas_phy |
| 898 | *mpt3sas_phy, Mpi2ExpanderPage1_t expander_pg1, |
| 899 | struct device *parent_dev) |
| 900 | { |
| 901 | struct sas_phy *phy; |
| 902 | int phy_index = mpt3sas_phy->phy_id; |
| 903 | |
| 904 | INIT_LIST_HEAD(&mpt3sas_phy->port_siblings); |
| 905 | phy = sas_phy_alloc(parent_dev, phy_index); |
| 906 | if (!phy) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 907 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 908 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 909 | return -1; |
| 910 | } |
| 911 | if ((_transport_set_identify(ioc, mpt3sas_phy->handle, |
| 912 | &mpt3sas_phy->identify))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 913 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 914 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 915 | sas_phy_free(phy); |
| 916 | return -1; |
| 917 | } |
| 918 | phy->identify = mpt3sas_phy->identify; |
| 919 | mpt3sas_phy->attached_handle = |
| 920 | le16_to_cpu(expander_pg1.AttachedDevHandle); |
| 921 | if (mpt3sas_phy->attached_handle) |
| 922 | _transport_set_identify(ioc, mpt3sas_phy->attached_handle, |
| 923 | &mpt3sas_phy->remote_identify); |
| 924 | phy->identify.phy_identifier = mpt3sas_phy->phy_id; |
| 925 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( |
| 926 | expander_pg1.NegotiatedLinkRate & |
| 927 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); |
| 928 | phy->minimum_linkrate_hw = _transport_convert_phy_link_rate( |
| 929 | expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK); |
| 930 | phy->maximum_linkrate_hw = _transport_convert_phy_link_rate( |
| 931 | expander_pg1.HwLinkRate >> 4); |
| 932 | phy->minimum_linkrate = _transport_convert_phy_link_rate( |
| 933 | expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); |
| 934 | phy->maximum_linkrate = _transport_convert_phy_link_rate( |
| 935 | expander_pg1.ProgrammedLinkRate >> 4); |
| 936 | |
| 937 | if ((sas_phy_add(phy))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 938 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 939 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 940 | sas_phy_free(phy); |
| 941 | return -1; |
| 942 | } |
| 943 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
| 944 | dev_printk(KERN_INFO, &phy->dev, |
| 945 | "add: handle(0x%04x), sas_addr(0x%016llx)\n" |
| 946 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", |
| 947 | mpt3sas_phy->handle, (unsigned long long) |
| 948 | mpt3sas_phy->identify.sas_address, |
| 949 | mpt3sas_phy->attached_handle, |
| 950 | (unsigned long long) |
| 951 | mpt3sas_phy->remote_identify.sas_address); |
| 952 | mpt3sas_phy->phy = phy; |
| 953 | return 0; |
| 954 | } |
| 955 | |
| 956 | /** |
| 957 | * mpt3sas_transport_update_links - refreshing phy link changes |
| 958 | * @ioc: per adapter object |
| 959 | * @sas_address: sas address of parent expander or sas host |
| 960 | * @handle: attached device handle |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 961 | * @phy_number: phy number |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 962 | * @link_rate: new link rate |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 963 | */ |
| 964 | void |
| 965 | mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc, |
| 966 | u64 sas_address, u16 handle, u8 phy_number, u8 link_rate) |
| 967 | { |
| 968 | unsigned long flags; |
| 969 | struct _sas_node *sas_node; |
| 970 | struct _sas_phy *mpt3sas_phy; |
| 971 | |
| 972 | if (ioc->shost_recovery || ioc->pci_error_recovery) |
| 973 | return; |
| 974 | |
| 975 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 976 | sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address); |
| 977 | if (!sas_node) { |
| 978 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 979 | return; |
| 980 | } |
| 981 | |
| 982 | mpt3sas_phy = &sas_node->phy[phy_number]; |
| 983 | mpt3sas_phy->attached_handle = handle; |
| 984 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 985 | if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) { |
| 986 | _transport_set_identify(ioc, handle, |
| 987 | &mpt3sas_phy->remote_identify); |
| 988 | _transport_add_phy_to_an_existing_port(ioc, sas_node, |
| 989 | mpt3sas_phy, mpt3sas_phy->remote_identify.sas_address); |
Sreekanth Reddy | 2311ce4 | 2014-12-02 20:58:47 +0530 | [diff] [blame] | 990 | } else |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 991 | memset(&mpt3sas_phy->remote_identify, 0 , sizeof(struct |
| 992 | sas_identify)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 993 | |
| 994 | if (mpt3sas_phy->phy) |
| 995 | mpt3sas_phy->phy->negotiated_linkrate = |
| 996 | _transport_convert_phy_link_rate(link_rate); |
| 997 | |
| 998 | if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) |
| 999 | dev_printk(KERN_INFO, &mpt3sas_phy->phy->dev, |
| 1000 | "refresh: parent sas_addr(0x%016llx),\n" |
| 1001 | "\tlink_rate(0x%02x), phy(%d)\n" |
| 1002 | "\tattached_handle(0x%04x), sas_addr(0x%016llx)\n", |
| 1003 | (unsigned long long)sas_address, |
| 1004 | link_rate, phy_number, handle, (unsigned long long) |
| 1005 | mpt3sas_phy->remote_identify.sas_address); |
| 1006 | } |
| 1007 | |
| 1008 | static inline void * |
| 1009 | phy_to_ioc(struct sas_phy *phy) |
| 1010 | { |
| 1011 | struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); |
| 1012 | return shost_priv(shost); |
| 1013 | } |
| 1014 | |
| 1015 | static inline void * |
| 1016 | rphy_to_ioc(struct sas_rphy *rphy) |
| 1017 | { |
| 1018 | struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent); |
| 1019 | return shost_priv(shost); |
| 1020 | } |
| 1021 | |
| 1022 | /* report phy error log structure */ |
| 1023 | struct phy_error_log_request { |
| 1024 | u8 smp_frame_type; /* 0x40 */ |
| 1025 | u8 function; /* 0x11 */ |
| 1026 | u8 allocated_response_length; |
| 1027 | u8 request_length; /* 02 */ |
| 1028 | u8 reserved_1[5]; |
| 1029 | u8 phy_identifier; |
| 1030 | u8 reserved_2[2]; |
| 1031 | }; |
| 1032 | |
| 1033 | /* report phy error log reply structure */ |
| 1034 | struct phy_error_log_reply { |
| 1035 | u8 smp_frame_type; /* 0x41 */ |
| 1036 | u8 function; /* 0x11 */ |
| 1037 | u8 function_result; |
| 1038 | u8 response_length; |
| 1039 | __be16 expander_change_count; |
| 1040 | u8 reserved_1[3]; |
| 1041 | u8 phy_identifier; |
| 1042 | u8 reserved_2[2]; |
| 1043 | __be32 invalid_dword; |
| 1044 | __be32 running_disparity_error; |
| 1045 | __be32 loss_of_dword_sync; |
| 1046 | __be32 phy_reset_problem; |
| 1047 | }; |
| 1048 | |
| 1049 | /** |
| 1050 | * _transport_get_expander_phy_error_log - return expander counters |
| 1051 | * @ioc: per adapter object |
| 1052 | * @phy: The sas phy object |
| 1053 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1054 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1055 | * |
| 1056 | */ |
| 1057 | static int |
| 1058 | _transport_get_expander_phy_error_log(struct MPT3SAS_ADAPTER *ioc, |
| 1059 | struct sas_phy *phy) |
| 1060 | { |
| 1061 | Mpi2SmpPassthroughRequest_t *mpi_request; |
| 1062 | Mpi2SmpPassthroughReply_t *mpi_reply; |
| 1063 | struct phy_error_log_request *phy_error_log_request; |
| 1064 | struct phy_error_log_reply *phy_error_log_reply; |
| 1065 | int rc; |
| 1066 | u16 smid; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1067 | void *psge; |
| 1068 | u8 issue_reset = 0; |
| 1069 | void *data_out = NULL; |
| 1070 | dma_addr_t data_out_dma; |
| 1071 | u32 sz; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1072 | |
| 1073 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
Joe Perches | 4dc74b2 | 2018-09-17 08:01:10 -0700 | [diff] [blame] | 1074 | ioc_info(ioc, "%s: host reset in progress!\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1075 | return -EFAULT; |
| 1076 | } |
| 1077 | |
| 1078 | mutex_lock(&ioc->transport_cmds.mutex); |
| 1079 | |
| 1080 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1081 | ioc_err(ioc, "%s: transport_cmds in use\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1082 | rc = -EAGAIN; |
| 1083 | goto out; |
| 1084 | } |
| 1085 | ioc->transport_cmds.status = MPT3_CMD_PENDING; |
| 1086 | |
Suganath Prabu | f430574 | 2018-10-31 18:53:33 +0530 | [diff] [blame] | 1087 | rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT); |
| 1088 | if (rc) |
| 1089 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1090 | |
| 1091 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); |
| 1092 | if (!smid) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1093 | ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1094 | rc = -EAGAIN; |
| 1095 | goto out; |
| 1096 | } |
| 1097 | |
| 1098 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 1099 | ioc->transport_cmds.smid = smid; |
| 1100 | |
| 1101 | sz = sizeof(struct phy_error_log_request) + |
| 1102 | sizeof(struct phy_error_log_reply); |
Christoph Hellwig | 1c2048b | 2018-10-11 09:35:25 +0200 | [diff] [blame] | 1103 | data_out = dma_alloc_coherent(&ioc->pdev->dev, sz, &data_out_dma, |
| 1104 | GFP_KERNEL); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1105 | if (!data_out) { |
| 1106 | pr_err("failure at %s:%d/%s()!\n", __FILE__, |
| 1107 | __LINE__, __func__); |
| 1108 | rc = -ENOMEM; |
| 1109 | mpt3sas_base_free_smid(ioc, smid); |
| 1110 | goto out; |
| 1111 | } |
| 1112 | |
| 1113 | rc = -EINVAL; |
| 1114 | memset(data_out, 0, sz); |
| 1115 | phy_error_log_request = data_out; |
| 1116 | phy_error_log_request->smp_frame_type = 0x40; |
| 1117 | phy_error_log_request->function = 0x11; |
| 1118 | phy_error_log_request->request_length = 2; |
| 1119 | phy_error_log_request->allocated_response_length = 0; |
| 1120 | phy_error_log_request->phy_identifier = phy->number; |
| 1121 | |
| 1122 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); |
| 1123 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; |
| 1124 | mpi_request->PhysicalPort = 0xFF; |
| 1125 | mpi_request->VF_ID = 0; /* TODO */ |
| 1126 | mpi_request->VP_ID = 0; |
| 1127 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); |
| 1128 | mpi_request->RequestDataLength = |
| 1129 | cpu_to_le16(sizeof(struct phy_error_log_request)); |
| 1130 | psge = &mpi_request->SGL; |
| 1131 | |
| 1132 | ioc->build_sg(ioc, psge, data_out_dma, |
| 1133 | sizeof(struct phy_error_log_request), |
| 1134 | data_out_dma + sizeof(struct phy_error_log_request), |
| 1135 | sizeof(struct phy_error_log_reply)); |
| 1136 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1137 | dtransportprintk(ioc, |
| 1138 | ioc_info(ioc, "phy_error_log - send to sas_addr(0x%016llx), phy(%d)\n", |
| 1139 | (u64)phy->identify.sas_address, |
| 1140 | phy->number)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1141 | init_completion(&ioc->transport_cmds.done); |
Suganath Prabu S | 40114bd | 2018-02-14 02:16:37 -0800 | [diff] [blame] | 1142 | mpt3sas_base_put_smid_default(ioc, smid); |
Calvin Owens | 8bbb1cf | 2016-07-28 21:38:22 -0700 | [diff] [blame] | 1143 | wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1144 | |
| 1145 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1146 | ioc_err(ioc, "%s: timeout\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1147 | _debug_dump_mf(mpi_request, |
| 1148 | sizeof(Mpi2SmpPassthroughRequest_t)/4); |
| 1149 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) |
| 1150 | issue_reset = 1; |
| 1151 | goto issue_host_reset; |
| 1152 | } |
| 1153 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1154 | dtransportprintk(ioc, ioc_info(ioc, "phy_error_log - complete\n")); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1155 | |
| 1156 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { |
| 1157 | |
| 1158 | mpi_reply = ioc->transport_cmds.reply; |
| 1159 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1160 | dtransportprintk(ioc, |
| 1161 | ioc_info(ioc, "phy_error_log - reply data transfer size(%d)\n", |
| 1162 | le16_to_cpu(mpi_reply->ResponseDataLength))); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1163 | |
| 1164 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != |
| 1165 | sizeof(struct phy_error_log_reply)) |
| 1166 | goto out; |
| 1167 | |
| 1168 | phy_error_log_reply = data_out + |
| 1169 | sizeof(struct phy_error_log_request); |
| 1170 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1171 | dtransportprintk(ioc, |
| 1172 | ioc_info(ioc, "phy_error_log - function_result(%d)\n", |
| 1173 | phy_error_log_reply->function_result)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1174 | |
| 1175 | phy->invalid_dword_count = |
| 1176 | be32_to_cpu(phy_error_log_reply->invalid_dword); |
| 1177 | phy->running_disparity_error_count = |
| 1178 | be32_to_cpu(phy_error_log_reply->running_disparity_error); |
| 1179 | phy->loss_of_dword_sync_count = |
| 1180 | be32_to_cpu(phy_error_log_reply->loss_of_dword_sync); |
| 1181 | phy->phy_reset_problem_count = |
| 1182 | be32_to_cpu(phy_error_log_reply->phy_reset_problem); |
| 1183 | rc = 0; |
| 1184 | } else |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1185 | dtransportprintk(ioc, |
| 1186 | ioc_info(ioc, "phy_error_log - no reply\n")); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1187 | |
| 1188 | issue_host_reset: |
| 1189 | if (issue_reset) |
Calvin Owens | 98c56ad | 2016-07-28 21:38:21 -0700 | [diff] [blame] | 1190 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1191 | out: |
| 1192 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; |
| 1193 | if (data_out) |
Christoph Hellwig | 1c2048b | 2018-10-11 09:35:25 +0200 | [diff] [blame] | 1194 | dma_free_coherent(&ioc->pdev->dev, sz, data_out, data_out_dma); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1195 | |
| 1196 | mutex_unlock(&ioc->transport_cmds.mutex); |
| 1197 | return rc; |
| 1198 | } |
| 1199 | |
| 1200 | /** |
| 1201 | * _transport_get_linkerrors - return phy counters for both hba and expanders |
| 1202 | * @phy: The sas phy object |
| 1203 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1204 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1205 | * |
| 1206 | */ |
| 1207 | static int |
| 1208 | _transport_get_linkerrors(struct sas_phy *phy) |
| 1209 | { |
| 1210 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); |
| 1211 | unsigned long flags; |
| 1212 | Mpi2ConfigReply_t mpi_reply; |
| 1213 | Mpi2SasPhyPage1_t phy_pg1; |
| 1214 | |
| 1215 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 1216 | if (_transport_sas_node_find_by_sas_address(ioc, |
| 1217 | phy->identify.sas_address) == NULL) { |
| 1218 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1219 | return -EINVAL; |
| 1220 | } |
| 1221 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1222 | |
| 1223 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) |
| 1224 | return _transport_get_expander_phy_error_log(ioc, phy); |
| 1225 | |
| 1226 | /* get hba phy error logs */ |
| 1227 | if ((mpt3sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1, |
| 1228 | phy->number))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1229 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1230 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1231 | return -ENXIO; |
| 1232 | } |
| 1233 | |
| 1234 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1235 | ioc_info(ioc, "phy(%d), ioc_status (0x%04x), loginfo(0x%08x)\n", |
| 1236 | phy->number, |
| 1237 | le16_to_cpu(mpi_reply.IOCStatus), |
| 1238 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1239 | |
| 1240 | phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount); |
| 1241 | phy->running_disparity_error_count = |
| 1242 | le32_to_cpu(phy_pg1.RunningDisparityErrorCount); |
| 1243 | phy->loss_of_dword_sync_count = |
| 1244 | le32_to_cpu(phy_pg1.LossDwordSynchCount); |
| 1245 | phy->phy_reset_problem_count = |
| 1246 | le32_to_cpu(phy_pg1.PhyResetProblemCount); |
| 1247 | return 0; |
| 1248 | } |
| 1249 | |
| 1250 | /** |
| 1251 | * _transport_get_enclosure_identifier - |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1252 | * @rphy: The sas phy object |
| 1253 | * @identifier: ? |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1254 | * |
| 1255 | * Obtain the enclosure logical id for an expander. |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1256 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1257 | */ |
| 1258 | static int |
| 1259 | _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) |
| 1260 | { |
| 1261 | struct MPT3SAS_ADAPTER *ioc = rphy_to_ioc(rphy); |
| 1262 | struct _sas_device *sas_device; |
| 1263 | unsigned long flags; |
| 1264 | int rc; |
| 1265 | |
| 1266 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1267 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1268 | rphy->identify.sas_address); |
| 1269 | if (sas_device) { |
| 1270 | *identifier = sas_device->enclosure_logical_id; |
| 1271 | rc = 0; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1272 | sas_device_put(sas_device); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1273 | } else { |
| 1274 | *identifier = 0; |
| 1275 | rc = -ENXIO; |
| 1276 | } |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1277 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1278 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1279 | return rc; |
| 1280 | } |
| 1281 | |
| 1282 | /** |
| 1283 | * _transport_get_bay_identifier - |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1284 | * @rphy: The sas phy object |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1285 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1286 | * Return: the slot id for a device that resides inside an enclosure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1287 | */ |
| 1288 | static int |
| 1289 | _transport_get_bay_identifier(struct sas_rphy *rphy) |
| 1290 | { |
| 1291 | struct MPT3SAS_ADAPTER *ioc = rphy_to_ioc(rphy); |
| 1292 | struct _sas_device *sas_device; |
| 1293 | unsigned long flags; |
| 1294 | int rc; |
| 1295 | |
| 1296 | spin_lock_irqsave(&ioc->sas_device_lock, flags); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1297 | sas_device = __mpt3sas_get_sdev_by_addr(ioc, |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1298 | rphy->identify.sas_address); |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1299 | if (sas_device) { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1300 | rc = sas_device->slot; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1301 | sas_device_put(sas_device); |
| 1302 | } else { |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1303 | rc = -ENXIO; |
Sreekanth Reddy | d1cb5e4 | 2015-11-11 17:30:30 +0530 | [diff] [blame] | 1304 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1305 | spin_unlock_irqrestore(&ioc->sas_device_lock, flags); |
| 1306 | return rc; |
| 1307 | } |
| 1308 | |
| 1309 | /* phy control request structure */ |
| 1310 | struct phy_control_request { |
| 1311 | u8 smp_frame_type; /* 0x40 */ |
| 1312 | u8 function; /* 0x91 */ |
| 1313 | u8 allocated_response_length; |
| 1314 | u8 request_length; /* 0x09 */ |
| 1315 | u16 expander_change_count; |
| 1316 | u8 reserved_1[3]; |
| 1317 | u8 phy_identifier; |
| 1318 | u8 phy_operation; |
| 1319 | u8 reserved_2[13]; |
| 1320 | u64 attached_device_name; |
| 1321 | u8 programmed_min_physical_link_rate; |
| 1322 | u8 programmed_max_physical_link_rate; |
| 1323 | u8 reserved_3[6]; |
| 1324 | }; |
| 1325 | |
| 1326 | /* phy control reply structure */ |
| 1327 | struct phy_control_reply { |
| 1328 | u8 smp_frame_type; /* 0x41 */ |
| 1329 | u8 function; /* 0x11 */ |
| 1330 | u8 function_result; |
| 1331 | u8 response_length; |
| 1332 | }; |
| 1333 | |
| 1334 | #define SMP_PHY_CONTROL_LINK_RESET (0x01) |
| 1335 | #define SMP_PHY_CONTROL_HARD_RESET (0x02) |
| 1336 | #define SMP_PHY_CONTROL_DISABLE (0x03) |
| 1337 | |
| 1338 | /** |
| 1339 | * _transport_expander_phy_control - expander phy control |
| 1340 | * @ioc: per adapter object |
| 1341 | * @phy: The sas phy object |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1342 | * @phy_operation: ? |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1343 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1344 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1345 | * |
| 1346 | */ |
| 1347 | static int |
| 1348 | _transport_expander_phy_control(struct MPT3SAS_ADAPTER *ioc, |
| 1349 | struct sas_phy *phy, u8 phy_operation) |
| 1350 | { |
| 1351 | Mpi2SmpPassthroughRequest_t *mpi_request; |
| 1352 | Mpi2SmpPassthroughReply_t *mpi_reply; |
| 1353 | struct phy_control_request *phy_control_request; |
| 1354 | struct phy_control_reply *phy_control_reply; |
| 1355 | int rc; |
| 1356 | u16 smid; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1357 | void *psge; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1358 | u8 issue_reset = 0; |
| 1359 | void *data_out = NULL; |
| 1360 | dma_addr_t data_out_dma; |
| 1361 | u32 sz; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1362 | |
| 1363 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
Joe Perches | 4dc74b2 | 2018-09-17 08:01:10 -0700 | [diff] [blame] | 1364 | ioc_info(ioc, "%s: host reset in progress!\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1365 | return -EFAULT; |
| 1366 | } |
| 1367 | |
| 1368 | mutex_lock(&ioc->transport_cmds.mutex); |
| 1369 | |
| 1370 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1371 | ioc_err(ioc, "%s: transport_cmds in use\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1372 | rc = -EAGAIN; |
| 1373 | goto out; |
| 1374 | } |
| 1375 | ioc->transport_cmds.status = MPT3_CMD_PENDING; |
| 1376 | |
Suganath Prabu | f430574 | 2018-10-31 18:53:33 +0530 | [diff] [blame] | 1377 | rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT); |
| 1378 | if (rc) |
| 1379 | goto out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1380 | |
| 1381 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); |
| 1382 | if (!smid) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1383 | ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1384 | rc = -EAGAIN; |
| 1385 | goto out; |
| 1386 | } |
| 1387 | |
| 1388 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 1389 | ioc->transport_cmds.smid = smid; |
| 1390 | |
| 1391 | sz = sizeof(struct phy_control_request) + |
| 1392 | sizeof(struct phy_control_reply); |
Christoph Hellwig | 1c2048b | 2018-10-11 09:35:25 +0200 | [diff] [blame] | 1393 | data_out = dma_alloc_coherent(&ioc->pdev->dev, sz, &data_out_dma, |
| 1394 | GFP_KERNEL); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1395 | if (!data_out) { |
| 1396 | pr_err("failure at %s:%d/%s()!\n", __FILE__, |
| 1397 | __LINE__, __func__); |
| 1398 | rc = -ENOMEM; |
| 1399 | mpt3sas_base_free_smid(ioc, smid); |
| 1400 | goto out; |
| 1401 | } |
| 1402 | |
| 1403 | rc = -EINVAL; |
| 1404 | memset(data_out, 0, sz); |
| 1405 | phy_control_request = data_out; |
| 1406 | phy_control_request->smp_frame_type = 0x40; |
| 1407 | phy_control_request->function = 0x91; |
| 1408 | phy_control_request->request_length = 9; |
| 1409 | phy_control_request->allocated_response_length = 0; |
| 1410 | phy_control_request->phy_identifier = phy->number; |
| 1411 | phy_control_request->phy_operation = phy_operation; |
| 1412 | phy_control_request->programmed_min_physical_link_rate = |
| 1413 | phy->minimum_linkrate << 4; |
| 1414 | phy_control_request->programmed_max_physical_link_rate = |
| 1415 | phy->maximum_linkrate << 4; |
| 1416 | |
| 1417 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); |
| 1418 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; |
| 1419 | mpi_request->PhysicalPort = 0xFF; |
| 1420 | mpi_request->VF_ID = 0; /* TODO */ |
| 1421 | mpi_request->VP_ID = 0; |
| 1422 | mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address); |
| 1423 | mpi_request->RequestDataLength = |
| 1424 | cpu_to_le16(sizeof(struct phy_error_log_request)); |
| 1425 | psge = &mpi_request->SGL; |
| 1426 | |
Suganath prabu Subramani | ce61c57 | 2016-01-28 12:06:59 +0530 | [diff] [blame] | 1427 | ioc->build_sg(ioc, psge, data_out_dma, |
| 1428 | sizeof(struct phy_control_request), |
| 1429 | data_out_dma + sizeof(struct phy_control_request), |
| 1430 | sizeof(struct phy_control_reply)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1431 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1432 | dtransportprintk(ioc, |
| 1433 | ioc_info(ioc, "phy_control - send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", |
| 1434 | (u64)phy->identify.sas_address, |
| 1435 | phy->number, phy_operation)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1436 | init_completion(&ioc->transport_cmds.done); |
Suganath Prabu S | 40114bd | 2018-02-14 02:16:37 -0800 | [diff] [blame] | 1437 | mpt3sas_base_put_smid_default(ioc, smid); |
Calvin Owens | 8bbb1cf | 2016-07-28 21:38:22 -0700 | [diff] [blame] | 1438 | wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1439 | |
| 1440 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1441 | ioc_err(ioc, "%s: timeout\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1442 | _debug_dump_mf(mpi_request, |
| 1443 | sizeof(Mpi2SmpPassthroughRequest_t)/4); |
| 1444 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) |
| 1445 | issue_reset = 1; |
| 1446 | goto issue_host_reset; |
| 1447 | } |
| 1448 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1449 | dtransportprintk(ioc, ioc_info(ioc, "phy_control - complete\n")); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1450 | |
| 1451 | if (ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID) { |
| 1452 | |
| 1453 | mpi_reply = ioc->transport_cmds.reply; |
| 1454 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1455 | dtransportprintk(ioc, |
| 1456 | ioc_info(ioc, "phy_control - reply data transfer size(%d)\n", |
| 1457 | le16_to_cpu(mpi_reply->ResponseDataLength))); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1458 | |
| 1459 | if (le16_to_cpu(mpi_reply->ResponseDataLength) != |
| 1460 | sizeof(struct phy_control_reply)) |
| 1461 | goto out; |
| 1462 | |
| 1463 | phy_control_reply = data_out + |
| 1464 | sizeof(struct phy_control_request); |
| 1465 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1466 | dtransportprintk(ioc, |
| 1467 | ioc_info(ioc, "phy_control - function_result(%d)\n", |
| 1468 | phy_control_reply->function_result)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1469 | |
| 1470 | rc = 0; |
| 1471 | } else |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1472 | dtransportprintk(ioc, |
| 1473 | ioc_info(ioc, "phy_control - no reply\n")); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1474 | |
| 1475 | issue_host_reset: |
| 1476 | if (issue_reset) |
Calvin Owens | 98c56ad | 2016-07-28 21:38:21 -0700 | [diff] [blame] | 1477 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1478 | out: |
| 1479 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; |
| 1480 | if (data_out) |
Christoph Hellwig | 1c2048b | 2018-10-11 09:35:25 +0200 | [diff] [blame] | 1481 | dma_free_coherent(&ioc->pdev->dev, sz, data_out, |
| 1482 | data_out_dma); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1483 | |
| 1484 | mutex_unlock(&ioc->transport_cmds.mutex); |
| 1485 | return rc; |
| 1486 | } |
| 1487 | |
| 1488 | /** |
| 1489 | * _transport_phy_reset - |
| 1490 | * @phy: The sas phy object |
| 1491 | * @hard_reset: |
| 1492 | * |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1493 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1494 | */ |
| 1495 | static int |
| 1496 | _transport_phy_reset(struct sas_phy *phy, int hard_reset) |
| 1497 | { |
| 1498 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); |
| 1499 | Mpi2SasIoUnitControlReply_t mpi_reply; |
| 1500 | Mpi2SasIoUnitControlRequest_t mpi_request; |
| 1501 | unsigned long flags; |
| 1502 | |
| 1503 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 1504 | if (_transport_sas_node_find_by_sas_address(ioc, |
| 1505 | phy->identify.sas_address) == NULL) { |
| 1506 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1507 | return -EINVAL; |
| 1508 | } |
| 1509 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1510 | |
| 1511 | /* handle expander phys */ |
| 1512 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) |
| 1513 | return _transport_expander_phy_control(ioc, phy, |
| 1514 | (hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET : |
| 1515 | SMP_PHY_CONTROL_LINK_RESET); |
| 1516 | |
| 1517 | /* handle hba phys */ |
Suganath prabu Subramani | 869817f | 2016-01-28 12:07:00 +0530 | [diff] [blame] | 1518 | memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1519 | mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; |
| 1520 | mpi_request.Operation = hard_reset ? |
| 1521 | MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET; |
| 1522 | mpi_request.PhyNum = phy->number; |
| 1523 | |
| 1524 | if ((mpt3sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1525 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1526 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1527 | return -ENXIO; |
| 1528 | } |
| 1529 | |
| 1530 | if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1531 | ioc_info(ioc, "phy(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", |
| 1532 | phy->number, le16_to_cpu(mpi_reply.IOCStatus), |
| 1533 | le32_to_cpu(mpi_reply.IOCLogInfo)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1534 | |
| 1535 | return 0; |
| 1536 | } |
| 1537 | |
| 1538 | /** |
| 1539 | * _transport_phy_enable - enable/disable phys |
| 1540 | * @phy: The sas phy object |
| 1541 | * @enable: enable phy when true |
| 1542 | * |
| 1543 | * Only support sas_host direct attached phys. |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1544 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1545 | */ |
| 1546 | static int |
| 1547 | _transport_phy_enable(struct sas_phy *phy, int enable) |
| 1548 | { |
| 1549 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); |
| 1550 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
| 1551 | Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; |
| 1552 | Mpi2ConfigReply_t mpi_reply; |
| 1553 | u16 ioc_status; |
| 1554 | u16 sz; |
| 1555 | int rc = 0; |
| 1556 | unsigned long flags; |
| 1557 | int i, discovery_active; |
| 1558 | |
| 1559 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 1560 | if (_transport_sas_node_find_by_sas_address(ioc, |
| 1561 | phy->identify.sas_address) == NULL) { |
| 1562 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1563 | return -EINVAL; |
| 1564 | } |
| 1565 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1566 | |
| 1567 | /* handle expander phys */ |
| 1568 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) |
| 1569 | return _transport_expander_phy_control(ioc, phy, |
| 1570 | (enable == 1) ? SMP_PHY_CONTROL_LINK_RESET : |
| 1571 | SMP_PHY_CONTROL_DISABLE); |
| 1572 | |
| 1573 | /* handle hba phys */ |
| 1574 | |
| 1575 | /* read sas_iounit page 0 */ |
| 1576 | sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys * |
| 1577 | sizeof(Mpi2SasIOUnit0PhyData_t)); |
| 1578 | sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL); |
| 1579 | if (!sas_iounit_pg0) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1580 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1581 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1582 | rc = -ENOMEM; |
| 1583 | goto out; |
| 1584 | } |
| 1585 | if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply, |
| 1586 | sas_iounit_pg0, sz))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1587 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1588 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1589 | rc = -ENXIO; |
| 1590 | goto out; |
| 1591 | } |
| 1592 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 1593 | MPI2_IOCSTATUS_MASK; |
| 1594 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1595 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1596 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1597 | rc = -EIO; |
| 1598 | goto out; |
| 1599 | } |
| 1600 | |
| 1601 | /* unable to enable/disable phys when when discovery is active */ |
| 1602 | for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) { |
| 1603 | if (sas_iounit_pg0->PhyData[i].PortFlags & |
| 1604 | MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1605 | ioc_err(ioc, "discovery is active on port = %d, phy = %d: unable to enable/disable phys, try again later!\n", |
| 1606 | sas_iounit_pg0->PhyData[i].Port, i); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1607 | discovery_active = 1; |
| 1608 | } |
| 1609 | } |
| 1610 | |
| 1611 | if (discovery_active) { |
| 1612 | rc = -EAGAIN; |
| 1613 | goto out; |
| 1614 | } |
| 1615 | |
| 1616 | /* read sas_iounit page 1 */ |
| 1617 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * |
| 1618 | sizeof(Mpi2SasIOUnit1PhyData_t)); |
| 1619 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); |
| 1620 | if (!sas_iounit_pg1) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1621 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1622 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1623 | rc = -ENOMEM; |
| 1624 | goto out; |
| 1625 | } |
| 1626 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, |
| 1627 | sas_iounit_pg1, sz))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1628 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1629 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1630 | rc = -ENXIO; |
| 1631 | goto out; |
| 1632 | } |
| 1633 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 1634 | MPI2_IOCSTATUS_MASK; |
| 1635 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1636 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1637 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1638 | rc = -EIO; |
| 1639 | goto out; |
| 1640 | } |
| 1641 | |
| 1642 | /* copy Port/PortFlags/PhyFlags from page 0 */ |
| 1643 | for (i = 0; i < ioc->sas_hba.num_phys ; i++) { |
| 1644 | sas_iounit_pg1->PhyData[i].Port = |
| 1645 | sas_iounit_pg0->PhyData[i].Port; |
| 1646 | sas_iounit_pg1->PhyData[i].PortFlags = |
| 1647 | (sas_iounit_pg0->PhyData[i].PortFlags & |
| 1648 | MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG); |
| 1649 | sas_iounit_pg1->PhyData[i].PhyFlags = |
| 1650 | (sas_iounit_pg0->PhyData[i].PhyFlags & |
| 1651 | (MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED + |
| 1652 | MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED)); |
| 1653 | } |
| 1654 | |
| 1655 | if (enable) |
| 1656 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
| 1657 | &= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
| 1658 | else |
| 1659 | sas_iounit_pg1->PhyData[phy->number].PhyFlags |
| 1660 | |= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE; |
| 1661 | |
| 1662 | mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz); |
| 1663 | |
| 1664 | /* link reset */ |
| 1665 | if (enable) |
| 1666 | _transport_phy_reset(phy, 0); |
| 1667 | |
| 1668 | out: |
| 1669 | kfree(sas_iounit_pg1); |
| 1670 | kfree(sas_iounit_pg0); |
| 1671 | return rc; |
| 1672 | } |
| 1673 | |
| 1674 | /** |
| 1675 | * _transport_phy_speed - set phy min/max link rates |
| 1676 | * @phy: The sas phy object |
| 1677 | * @rates: rates defined in sas_phy_linkrates |
| 1678 | * |
| 1679 | * Only support sas_host direct attached phys. |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1680 | * |
| 1681 | * Return: 0 for success, non-zero for failure. |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1682 | */ |
| 1683 | static int |
| 1684 | _transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates) |
| 1685 | { |
| 1686 | struct MPT3SAS_ADAPTER *ioc = phy_to_ioc(phy); |
| 1687 | Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL; |
| 1688 | Mpi2SasPhyPage0_t phy_pg0; |
| 1689 | Mpi2ConfigReply_t mpi_reply; |
| 1690 | u16 ioc_status; |
| 1691 | u16 sz; |
| 1692 | int i; |
| 1693 | int rc = 0; |
| 1694 | unsigned long flags; |
| 1695 | |
| 1696 | spin_lock_irqsave(&ioc->sas_node_lock, flags); |
| 1697 | if (_transport_sas_node_find_by_sas_address(ioc, |
| 1698 | phy->identify.sas_address) == NULL) { |
| 1699 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1700 | return -EINVAL; |
| 1701 | } |
| 1702 | spin_unlock_irqrestore(&ioc->sas_node_lock, flags); |
| 1703 | |
| 1704 | if (!rates->minimum_linkrate) |
| 1705 | rates->minimum_linkrate = phy->minimum_linkrate; |
| 1706 | else if (rates->minimum_linkrate < phy->minimum_linkrate_hw) |
| 1707 | rates->minimum_linkrate = phy->minimum_linkrate_hw; |
| 1708 | |
| 1709 | if (!rates->maximum_linkrate) |
| 1710 | rates->maximum_linkrate = phy->maximum_linkrate; |
| 1711 | else if (rates->maximum_linkrate > phy->maximum_linkrate_hw) |
| 1712 | rates->maximum_linkrate = phy->maximum_linkrate_hw; |
| 1713 | |
| 1714 | /* handle expander phys */ |
| 1715 | if (phy->identify.sas_address != ioc->sas_hba.sas_address) { |
| 1716 | phy->minimum_linkrate = rates->minimum_linkrate; |
| 1717 | phy->maximum_linkrate = rates->maximum_linkrate; |
| 1718 | return _transport_expander_phy_control(ioc, phy, |
| 1719 | SMP_PHY_CONTROL_LINK_RESET); |
| 1720 | } |
| 1721 | |
| 1722 | /* handle hba phys */ |
| 1723 | |
| 1724 | /* sas_iounit page 1 */ |
| 1725 | sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys * |
| 1726 | sizeof(Mpi2SasIOUnit1PhyData_t)); |
| 1727 | sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL); |
| 1728 | if (!sas_iounit_pg1) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1729 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1730 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1731 | rc = -ENOMEM; |
| 1732 | goto out; |
| 1733 | } |
| 1734 | if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply, |
| 1735 | sas_iounit_pg1, sz))) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1736 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1737 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1738 | rc = -ENXIO; |
| 1739 | goto out; |
| 1740 | } |
| 1741 | ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & |
| 1742 | MPI2_IOCSTATUS_MASK; |
| 1743 | if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1744 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1745 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1746 | rc = -EIO; |
| 1747 | goto out; |
| 1748 | } |
| 1749 | |
| 1750 | for (i = 0; i < ioc->sas_hba.num_phys; i++) { |
| 1751 | if (phy->number != i) { |
| 1752 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = |
| 1753 | (ioc->sas_hba.phy[i].phy->minimum_linkrate + |
| 1754 | (ioc->sas_hba.phy[i].phy->maximum_linkrate << 4)); |
| 1755 | } else { |
| 1756 | sas_iounit_pg1->PhyData[i].MaxMinLinkRate = |
| 1757 | (rates->minimum_linkrate + |
| 1758 | (rates->maximum_linkrate << 4)); |
| 1759 | } |
| 1760 | } |
| 1761 | |
| 1762 | if (mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, |
| 1763 | sz)) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1764 | ioc_err(ioc, "failure at %s:%d/%s()!\n", |
| 1765 | __FILE__, __LINE__, __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1766 | rc = -ENXIO; |
| 1767 | goto out; |
| 1768 | } |
| 1769 | |
| 1770 | /* link reset */ |
| 1771 | _transport_phy_reset(phy, 0); |
| 1772 | |
| 1773 | /* read phy page 0, then update the rates in the sas transport phy */ |
| 1774 | if (!mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0, |
| 1775 | phy->number)) { |
| 1776 | phy->minimum_linkrate = _transport_convert_phy_link_rate( |
| 1777 | phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK); |
| 1778 | phy->maximum_linkrate = _transport_convert_phy_link_rate( |
| 1779 | phy_pg0.ProgrammedLinkRate >> 4); |
| 1780 | phy->negotiated_linkrate = _transport_convert_phy_link_rate( |
| 1781 | phy_pg0.NegotiatedLinkRate & |
| 1782 | MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL); |
| 1783 | } |
| 1784 | |
| 1785 | out: |
| 1786 | kfree(sas_iounit_pg1); |
| 1787 | return rc; |
| 1788 | } |
| 1789 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1790 | static int |
| 1791 | _transport_map_smp_buffer(struct device *dev, struct bsg_buffer *buf, |
| 1792 | dma_addr_t *dma_addr, size_t *dma_len, void **p) |
| 1793 | { |
| 1794 | /* Check if the request is split across multiple segments */ |
| 1795 | if (buf->sg_cnt > 1) { |
| 1796 | *p = dma_alloc_coherent(dev, buf->payload_len, dma_addr, |
| 1797 | GFP_KERNEL); |
| 1798 | if (!*p) |
| 1799 | return -ENOMEM; |
| 1800 | *dma_len = buf->payload_len; |
| 1801 | } else { |
| 1802 | if (!dma_map_sg(dev, buf->sg_list, 1, DMA_BIDIRECTIONAL)) |
| 1803 | return -ENOMEM; |
| 1804 | *dma_addr = sg_dma_address(buf->sg_list); |
| 1805 | *dma_len = sg_dma_len(buf->sg_list); |
| 1806 | *p = NULL; |
| 1807 | } |
| 1808 | |
| 1809 | return 0; |
| 1810 | } |
| 1811 | |
| 1812 | static void |
| 1813 | _transport_unmap_smp_buffer(struct device *dev, struct bsg_buffer *buf, |
| 1814 | dma_addr_t dma_addr, void *p) |
| 1815 | { |
| 1816 | if (p) |
| 1817 | dma_free_coherent(dev, buf->payload_len, p, dma_addr); |
| 1818 | else |
| 1819 | dma_unmap_sg(dev, buf->sg_list, 1, DMA_BIDIRECTIONAL); |
| 1820 | } |
| 1821 | |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1822 | /** |
| 1823 | * _transport_smp_handler - transport portal for smp passthru |
Bart Van Assche | 4beb486 | 2018-06-15 14:42:01 -0700 | [diff] [blame] | 1824 | * @job: ? |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1825 | * @shost: shost object |
| 1826 | * @rphy: sas transport rphy object |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1827 | * |
| 1828 | * This used primarily for smp_utils. |
| 1829 | * Example: |
| 1830 | * smp_rep_general /sys/class/bsg/expander-5:0 |
| 1831 | */ |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1832 | static void |
| 1833 | _transport_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, |
| 1834 | struct sas_rphy *rphy) |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1835 | { |
| 1836 | struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); |
| 1837 | Mpi2SmpPassthroughRequest_t *mpi_request; |
| 1838 | Mpi2SmpPassthroughReply_t *mpi_reply; |
Kent Overstreet | 7988613 | 2013-11-23 17:19:00 -0800 | [diff] [blame] | 1839 | int rc; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1840 | u16 smid; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1841 | void *psge; |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1842 | dma_addr_t dma_addr_in; |
| 1843 | dma_addr_t dma_addr_out; |
| 1844 | void *addr_in = NULL; |
| 1845 | void *addr_out = NULL; |
| 1846 | size_t dma_len_in; |
| 1847 | size_t dma_len_out; |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1848 | unsigned int reslen = 0; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1849 | |
| 1850 | if (ioc->shost_recovery || ioc->pci_error_recovery) { |
Joe Perches | 4dc74b2 | 2018-09-17 08:01:10 -0700 | [diff] [blame] | 1851 | ioc_info(ioc, "%s: host reset in progress!\n", __func__); |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1852 | rc = -EFAULT; |
Bart Van Assche | 91b7bdb | 2018-06-15 14:41:58 -0700 | [diff] [blame] | 1853 | goto job_done; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1854 | } |
| 1855 | |
| 1856 | rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex); |
| 1857 | if (rc) |
Bart Van Assche | 91b7bdb | 2018-06-15 14:41:58 -0700 | [diff] [blame] | 1858 | goto job_done; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1859 | |
| 1860 | if (ioc->transport_cmds.status != MPT3_CMD_NOT_USED) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1861 | ioc_err(ioc, "%s: transport_cmds in use\n", |
| 1862 | __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1863 | rc = -EAGAIN; |
| 1864 | goto out; |
| 1865 | } |
| 1866 | ioc->transport_cmds.status = MPT3_CMD_PENDING; |
| 1867 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1868 | rc = _transport_map_smp_buffer(&ioc->pdev->dev, &job->request_payload, |
| 1869 | &dma_addr_out, &dma_len_out, &addr_out); |
| 1870 | if (rc) |
| 1871 | goto out; |
| 1872 | if (addr_out) { |
| 1873 | sg_copy_to_buffer(job->request_payload.sg_list, |
| 1874 | job->request_payload.sg_cnt, addr_out, |
| 1875 | job->request_payload.payload_len); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1876 | } |
| 1877 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1878 | rc = _transport_map_smp_buffer(&ioc->pdev->dev, &job->reply_payload, |
| 1879 | &dma_addr_in, &dma_len_in, &addr_in); |
| 1880 | if (rc) |
| 1881 | goto unmap_out; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1882 | |
Suganath Prabu | f430574 | 2018-10-31 18:53:33 +0530 | [diff] [blame] | 1883 | rc = mpt3sas_wait_for_ioc(ioc, IOC_OPERATIONAL_WAIT_COUNT); |
| 1884 | if (rc) |
| 1885 | goto unmap_in; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1886 | |
| 1887 | smid = mpt3sas_base_get_smid(ioc, ioc->transport_cb_idx); |
| 1888 | if (!smid) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1889 | ioc_err(ioc, "%s: failed obtaining a smid\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1890 | rc = -EAGAIN; |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1891 | goto unmap_in; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1892 | } |
| 1893 | |
| 1894 | rc = 0; |
| 1895 | mpi_request = mpt3sas_base_get_msg_frame(ioc, smid); |
| 1896 | ioc->transport_cmds.smid = smid; |
| 1897 | |
| 1898 | memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t)); |
| 1899 | mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH; |
| 1900 | mpi_request->PhysicalPort = 0xFF; |
| 1901 | mpi_request->SASAddress = (rphy) ? |
| 1902 | cpu_to_le64(rphy->identify.sas_address) : |
| 1903 | cpu_to_le64(ioc->sas_hba.sas_address); |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1904 | mpi_request->RequestDataLength = cpu_to_le16(dma_len_out - 4); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1905 | psge = &mpi_request->SGL; |
| 1906 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1907 | ioc->build_sg(ioc, psge, dma_addr_out, dma_len_out - 4, dma_addr_in, |
| 1908 | dma_len_in - 4); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1909 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1910 | dtransportprintk(ioc, |
| 1911 | ioc_info(ioc, "%s: sending smp request\n", __func__)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1912 | |
| 1913 | init_completion(&ioc->transport_cmds.done); |
Suganath Prabu S | 40114bd | 2018-02-14 02:16:37 -0800 | [diff] [blame] | 1914 | mpt3sas_base_put_smid_default(ioc, smid); |
Calvin Owens | 8bbb1cf | 2016-07-28 21:38:22 -0700 | [diff] [blame] | 1915 | wait_for_completion_timeout(&ioc->transport_cmds.done, 10*HZ); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1916 | |
| 1917 | if (!(ioc->transport_cmds.status & MPT3_CMD_COMPLETE)) { |
Joe Perches | 4dc74b2 | 2018-09-17 08:01:10 -0700 | [diff] [blame] | 1918 | ioc_err(ioc, "%s: timeout\n", __func__); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1919 | _debug_dump_mf(mpi_request, |
| 1920 | sizeof(Mpi2SmpPassthroughRequest_t)/4); |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1921 | if (!(ioc->transport_cmds.status & MPT3_CMD_RESET)) { |
| 1922 | mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER); |
| 1923 | rc = -ETIMEDOUT; |
| 1924 | goto unmap_in; |
| 1925 | } |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1926 | } |
| 1927 | |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1928 | dtransportprintk(ioc, ioc_info(ioc, "%s - complete\n", __func__)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1929 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1930 | if (!(ioc->transport_cmds.status & MPT3_CMD_REPLY_VALID)) { |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1931 | dtransportprintk(ioc, |
| 1932 | ioc_info(ioc, "%s: no reply\n", __func__)); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1933 | rc = -ENXIO; |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1934 | goto unmap_in; |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1935 | } |
| 1936 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1937 | mpi_reply = ioc->transport_cmds.reply; |
| 1938 | |
| 1939 | dtransportprintk(ioc, |
Joe Perches | 919d8a3 | 2018-09-17 08:01:09 -0700 | [diff] [blame] | 1940 | ioc_info(ioc, "%s: reply data transfer size(%d)\n", |
| 1941 | __func__, |
| 1942 | le16_to_cpu(mpi_reply->ResponseDataLength))); |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1943 | |
| 1944 | memcpy(job->reply, mpi_reply, sizeof(*mpi_reply)); |
| 1945 | job->reply_len = sizeof(*mpi_reply); |
| 1946 | reslen = le16_to_cpu(mpi_reply->ResponseDataLength); |
| 1947 | |
| 1948 | if (addr_in) { |
| 1949 | sg_copy_to_buffer(job->reply_payload.sg_list, |
| 1950 | job->reply_payload.sg_cnt, addr_in, |
| 1951 | job->reply_payload.payload_len); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1952 | } |
| 1953 | |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1954 | rc = 0; |
| 1955 | unmap_in: |
| 1956 | _transport_unmap_smp_buffer(&ioc->pdev->dev, &job->reply_payload, |
| 1957 | dma_addr_in, addr_in); |
| 1958 | unmap_out: |
| 1959 | _transport_unmap_smp_buffer(&ioc->pdev->dev, &job->request_payload, |
| 1960 | dma_addr_out, addr_out); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1961 | out: |
| 1962 | ioc->transport_cmds.status = MPT3_CMD_NOT_USED; |
| 1963 | mutex_unlock(&ioc->transport_cmds.mutex); |
Bart Van Assche | 91b7bdb | 2018-06-15 14:41:58 -0700 | [diff] [blame] | 1964 | job_done: |
Christoph Hellwig | 651a013 | 2017-08-25 17:37:41 +0200 | [diff] [blame] | 1965 | bsg_job_done(job, rc, reslen); |
Sreekanth Reddy | f92363d | 2012-11-30 07:44:21 +0530 | [diff] [blame] | 1966 | } |
| 1967 | |
| 1968 | struct sas_function_template mpt3sas_transport_functions = { |
| 1969 | .get_linkerrors = _transport_get_linkerrors, |
| 1970 | .get_enclosure_identifier = _transport_get_enclosure_identifier, |
| 1971 | .get_bay_identifier = _transport_get_bay_identifier, |
| 1972 | .phy_reset = _transport_phy_reset, |
| 1973 | .phy_enable = _transport_phy_enable, |
| 1974 | .set_phy_speed = _transport_phy_speed, |
| 1975 | .smp_handler = _transport_smp_handler, |
| 1976 | }; |
| 1977 | |
| 1978 | struct scsi_transport_template *mpt3sas_transport_template; |