Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/drivers/message/fusion/mptscsih.c |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3 | * For use with LSI Logic PCI chip/adapter(s) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. |
| 5 | * |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 6 | * Copyright (c) 1999-2005 LSI Logic Corporation |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * (mailto:mpt_linux_developer@lsil.com) |
| 8 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | */ |
| 10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 11 | /* |
| 12 | This program is free software; you can redistribute it and/or modify |
| 13 | it under the terms of the GNU General Public License as published by |
| 14 | the Free Software Foundation; version 2 of the License. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | NO WARRANTY |
| 22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR |
| 23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT |
| 24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, |
| 25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is |
| 26 | solely responsible for determining the appropriateness of using and |
| 27 | distributing the Program and assumes all risks associated with its |
| 28 | exercise of rights under this Agreement, including but not limited to |
| 29 | the risks and costs of program errors, damage to or loss of data, |
| 30 | programs or equipment, and unavailability or interruption of operations. |
| 31 | |
| 32 | DISCLAIMER OF LIABILITY |
| 33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY |
| 34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND |
| 36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| 37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| 38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED |
| 39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES |
| 40 | |
| 41 | You should have received a copy of the GNU General Public License |
| 42 | along with this program; if not, write to the Free Software |
| 43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 44 | */ |
| 45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 46 | |
| 47 | #include "linux_compat.h" /* linux-2.6 tweaks */ |
| 48 | #include <linux/module.h> |
| 49 | #include <linux/kernel.h> |
| 50 | #include <linux/init.h> |
| 51 | #include <linux/errno.h> |
| 52 | #include <linux/kdev_t.h> |
| 53 | #include <linux/blkdev.h> |
| 54 | #include <linux/delay.h> /* for mdelay */ |
| 55 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ |
| 56 | #include <linux/reboot.h> /* notifier code */ |
| 57 | #include <linux/sched.h> |
| 58 | #include <linux/workqueue.h> |
| 59 | |
| 60 | #include <scsi/scsi.h> |
| 61 | #include <scsi/scsi_cmnd.h> |
| 62 | #include <scsi/scsi_device.h> |
| 63 | #include <scsi/scsi_host.h> |
| 64 | #include <scsi/scsi_tcq.h> |
Moore, Eric Dean | e0fc15b | 2005-09-15 13:17:14 -0600 | [diff] [blame] | 65 | #include <scsi/scsi_dbg.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
| 67 | #include "mptbase.h" |
| 68 | #include "mptscsih.h" |
| 69 | |
| 70 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 71 | #define my_NAME "Fusion MPT SCSI Host driver" |
| 72 | #define my_VERSION MPT_LINUX_VERSION_COMMON |
| 73 | #define MYNAM "mptscsih" |
| 74 | |
| 75 | MODULE_AUTHOR(MODULEAUTHOR); |
| 76 | MODULE_DESCRIPTION(my_NAME); |
| 77 | MODULE_LICENSE("GPL"); |
| 78 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 80 | |
| 81 | typedef struct _BIG_SENSE_BUF { |
| 82 | u8 data[MPT_SENSE_BUFFER_ALLOC]; |
| 83 | } BIG_SENSE_BUF; |
| 84 | |
| 85 | #define MPT_SCANDV_GOOD (0x00000000) /* must be 0 */ |
| 86 | #define MPT_SCANDV_DID_RESET (0x00000001) |
| 87 | #define MPT_SCANDV_SENSE (0x00000002) |
| 88 | #define MPT_SCANDV_SOME_ERROR (0x00000004) |
| 89 | #define MPT_SCANDV_SELECTION_TIMEOUT (0x00000008) |
| 90 | #define MPT_SCANDV_ISSUE_SENSE (0x00000010) |
| 91 | #define MPT_SCANDV_FALLBACK (0x00000020) |
| 92 | |
| 93 | #define MPT_SCANDV_MAX_RETRIES (10) |
| 94 | |
| 95 | #define MPT_ICFLAG_BUF_CAP 0x01 /* ReadBuffer Read Capacity format */ |
| 96 | #define MPT_ICFLAG_ECHO 0x02 /* ReadBuffer Echo buffer format */ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 97 | #define MPT_ICFLAG_EBOS 0x04 /* ReadBuffer Echo buffer has EBOS */ |
| 98 | #define MPT_ICFLAG_PHYS_DISK 0x08 /* Any SCSI IO but do Phys Disk Format */ |
| 99 | #define MPT_ICFLAG_TAGGED_CMD 0x10 /* Do tagged IO */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | #define MPT_ICFLAG_DID_RESET 0x20 /* Bus Reset occurred with this command */ |
| 101 | #define MPT_ICFLAG_RESERVED 0x40 /* Reserved has been issued */ |
| 102 | |
| 103 | typedef struct _internal_cmd { |
| 104 | char *data; /* data pointer */ |
| 105 | dma_addr_t data_dma; /* data dma address */ |
| 106 | int size; /* transfer size */ |
| 107 | u8 cmd; /* SCSI Op Code */ |
| 108 | u8 bus; /* bus number */ |
| 109 | u8 id; /* SCSI ID (virtual) */ |
| 110 | u8 lun; |
| 111 | u8 flags; /* Bit Field - See above */ |
| 112 | u8 physDiskNum; /* Phys disk number, -1 else */ |
| 113 | u8 rsvd2; |
| 114 | u8 rsvd; |
| 115 | } INTERNAL_CMD; |
| 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | /* |
| 118 | * Other private/forward protos... |
| 119 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 120 | int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 122 | int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | |
| 124 | static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, |
| 125 | SCSIIORequest_t *pReq, int req_idx); |
| 126 | static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 127 | static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd); |
| 129 | static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ); |
| 130 | static u32 SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc); |
| 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout); |
| 133 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 134 | int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); |
| 135 | int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 137 | static void mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev); |
| 138 | static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | static int mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 140 | int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 142 | static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 144 | void mptscsih_remove(struct pci_dev *); |
Greg Kroah-Hartman | d18c3db | 2005-06-23 17:35:56 -0700 | [diff] [blame] | 145 | void mptscsih_shutdown(struct pci_dev *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | #ifdef CONFIG_PM |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 147 | int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); |
| 148 | int mptscsih_resume(struct pci_dev *pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | #endif |
| 150 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | #define SNS_LEN(scp) sizeof((scp)->sense_buffer) |
| 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 154 | /** |
| 155 | * mptscsih_add_sge - Place a simple SGE at address pAddr. |
| 156 | * @pAddr: virtual address for SGE |
| 157 | * @flagslength: SGE flags and data transfer length |
| 158 | * @dma_addr: Physical address |
| 159 | * |
| 160 | * This routine places a MPT request frame back on the MPT adapter's |
| 161 | * FreeQ. |
| 162 | */ |
| 163 | static inline void |
| 164 | mptscsih_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr) |
| 165 | { |
| 166 | if (sizeof(dma_addr_t) == sizeof(u64)) { |
| 167 | SGESimple64_t *pSge = (SGESimple64_t *) pAddr; |
| 168 | u32 tmp = dma_addr & 0xFFFFFFFF; |
| 169 | |
| 170 | pSge->FlagsLength = cpu_to_le32(flagslength); |
| 171 | pSge->Address.Low = cpu_to_le32(tmp); |
| 172 | tmp = (u32) ((u64)dma_addr >> 32); |
| 173 | pSge->Address.High = cpu_to_le32(tmp); |
| 174 | |
| 175 | } else { |
| 176 | SGESimple32_t *pSge = (SGESimple32_t *) pAddr; |
| 177 | pSge->FlagsLength = cpu_to_le32(flagslength); |
| 178 | pSge->Address = cpu_to_le32(dma_addr); |
| 179 | } |
| 180 | } /* mptscsih_add_sge() */ |
| 181 | |
| 182 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 183 | /** |
| 184 | * mptscsih_add_chain - Place a chain SGE at address pAddr. |
| 185 | * @pAddr: virtual address for SGE |
| 186 | * @next: nextChainOffset value (u32's) |
| 187 | * @length: length of next SGL segment |
| 188 | * @dma_addr: Physical address |
| 189 | * |
| 190 | * This routine places a MPT request frame back on the MPT adapter's |
| 191 | * FreeQ. |
| 192 | */ |
| 193 | static inline void |
| 194 | mptscsih_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr) |
| 195 | { |
| 196 | if (sizeof(dma_addr_t) == sizeof(u64)) { |
| 197 | SGEChain64_t *pChain = (SGEChain64_t *) pAddr; |
| 198 | u32 tmp = dma_addr & 0xFFFFFFFF; |
| 199 | |
| 200 | pChain->Length = cpu_to_le16(length); |
| 201 | pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); |
| 202 | |
| 203 | pChain->NextChainOffset = next; |
| 204 | |
| 205 | pChain->Address.Low = cpu_to_le32(tmp); |
| 206 | tmp = (u32) ((u64)dma_addr >> 32); |
| 207 | pChain->Address.High = cpu_to_le32(tmp); |
| 208 | } else { |
| 209 | SGEChain32_t *pChain = (SGEChain32_t *) pAddr; |
| 210 | pChain->Length = cpu_to_le16(length); |
| 211 | pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); |
| 212 | pChain->NextChainOffset = next; |
| 213 | pChain->Address = cpu_to_le32(dma_addr); |
| 214 | } |
| 215 | } /* mptscsih_add_chain() */ |
| 216 | |
| 217 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 218 | /* |
| 219 | * mptscsih_getFreeChainBuffer - Function to get a free chain |
| 220 | * from the MPT_SCSI_HOST FreeChainQ. |
| 221 | * @ioc: Pointer to MPT_ADAPTER structure |
| 222 | * @req_idx: Index of the SCSI IO request frame. (output) |
| 223 | * |
| 224 | * return SUCCESS or FAILED |
| 225 | */ |
| 226 | static inline int |
| 227 | mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) |
| 228 | { |
| 229 | MPT_FRAME_HDR *chainBuf; |
| 230 | unsigned long flags; |
| 231 | int rc; |
| 232 | int chain_idx; |
| 233 | |
| 234 | dsgprintk((MYIOC_s_INFO_FMT "getFreeChainBuffer called\n", |
| 235 | ioc->name)); |
| 236 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
| 237 | if (!list_empty(&ioc->FreeChainQ)) { |
| 238 | int offset; |
| 239 | |
| 240 | chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, |
| 241 | u.frame.linkage.list); |
| 242 | list_del(&chainBuf->u.frame.linkage.list); |
| 243 | offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; |
| 244 | chain_idx = offset / ioc->req_sz; |
| 245 | rc = SUCCESS; |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 246 | dsgprintk((MYIOC_s_ERR_FMT "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n", |
| 247 | ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | } else { |
| 249 | rc = FAILED; |
| 250 | chain_idx = MPT_HOST_NO_CHAIN; |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 251 | dfailprintk((MYIOC_s_INFO_FMT "getFreeChainBuffer failed\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | ioc->name)); |
| 253 | } |
| 254 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| 255 | |
| 256 | *retIndex = chain_idx; |
| 257 | return rc; |
| 258 | } /* mptscsih_getFreeChainBuffer() */ |
| 259 | |
| 260 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 261 | /* |
| 262 | * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the |
| 263 | * SCSIIORequest_t Message Frame. |
| 264 | * @ioc: Pointer to MPT_ADAPTER structure |
| 265 | * @SCpnt: Pointer to scsi_cmnd structure |
| 266 | * @pReq: Pointer to SCSIIORequest_t structure |
| 267 | * |
| 268 | * Returns ... |
| 269 | */ |
| 270 | static int |
| 271 | mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, |
| 272 | SCSIIORequest_t *pReq, int req_idx) |
| 273 | { |
| 274 | char *psge; |
| 275 | char *chainSge; |
| 276 | struct scatterlist *sg; |
| 277 | int frm_sz; |
| 278 | int sges_left, sg_done; |
| 279 | int chain_idx = MPT_HOST_NO_CHAIN; |
| 280 | int sgeOffset; |
| 281 | int numSgeSlots, numSgeThisFrame; |
| 282 | u32 sgflags, sgdir, thisxfer = 0; |
| 283 | int chain_dma_off = 0; |
| 284 | int newIndex; |
| 285 | int ii; |
| 286 | dma_addr_t v2; |
| 287 | u32 RequestNB; |
| 288 | |
| 289 | sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; |
| 290 | if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { |
| 291 | sgdir = MPT_TRANSFER_HOST_TO_IOC; |
| 292 | } else { |
| 293 | sgdir = MPT_TRANSFER_IOC_TO_HOST; |
| 294 | } |
| 295 | |
| 296 | psge = (char *) &pReq->SGL; |
| 297 | frm_sz = ioc->req_sz; |
| 298 | |
| 299 | /* Map the data portion, if any. |
| 300 | * sges_left = 0 if no data transfer. |
| 301 | */ |
| 302 | if ( (sges_left = SCpnt->use_sg) ) { |
| 303 | sges_left = pci_map_sg(ioc->pcidev, |
| 304 | (struct scatterlist *) SCpnt->request_buffer, |
| 305 | SCpnt->use_sg, |
| 306 | SCpnt->sc_data_direction); |
| 307 | if (sges_left == 0) |
| 308 | return FAILED; |
| 309 | } else if (SCpnt->request_bufflen) { |
| 310 | SCpnt->SCp.dma_handle = pci_map_single(ioc->pcidev, |
| 311 | SCpnt->request_buffer, |
| 312 | SCpnt->request_bufflen, |
| 313 | SCpnt->sc_data_direction); |
| 314 | dsgprintk((MYIOC_s_INFO_FMT "SG: non-SG for %p, len=%d\n", |
| 315 | ioc->name, SCpnt, SCpnt->request_bufflen)); |
| 316 | mptscsih_add_sge((char *) &pReq->SGL, |
| 317 | 0xD1000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|SCpnt->request_bufflen, |
| 318 | SCpnt->SCp.dma_handle); |
| 319 | |
| 320 | return SUCCESS; |
| 321 | } |
| 322 | |
| 323 | /* Handle the SG case. |
| 324 | */ |
| 325 | sg = (struct scatterlist *) SCpnt->request_buffer; |
| 326 | sg_done = 0; |
| 327 | sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); |
| 328 | chainSge = NULL; |
| 329 | |
| 330 | /* Prior to entering this loop - the following must be set |
| 331 | * current MF: sgeOffset (bytes) |
| 332 | * chainSge (Null if original MF is not a chain buffer) |
| 333 | * sg_done (num SGE done for this MF) |
| 334 | */ |
| 335 | |
| 336 | nextSGEset: |
| 337 | numSgeSlots = ((frm_sz - sgeOffset) / (sizeof(u32) + sizeof(dma_addr_t)) ); |
| 338 | numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; |
| 339 | |
| 340 | sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | MPT_SGE_FLAGS_ADDRESSING | sgdir; |
| 341 | |
| 342 | /* Get first (num - 1) SG elements |
| 343 | * Skip any SG entries with a length of 0 |
| 344 | * NOTE: at finish, sg and psge pointed to NEXT data/location positions |
| 345 | */ |
| 346 | for (ii=0; ii < (numSgeThisFrame-1); ii++) { |
| 347 | thisxfer = sg_dma_len(sg); |
| 348 | if (thisxfer == 0) { |
| 349 | sg ++; /* Get next SG element from the OS */ |
| 350 | sg_done++; |
| 351 | continue; |
| 352 | } |
| 353 | |
| 354 | v2 = sg_dma_address(sg); |
| 355 | mptscsih_add_sge(psge, sgflags | thisxfer, v2); |
| 356 | |
| 357 | sg++; /* Get next SG element from the OS */ |
| 358 | psge += (sizeof(u32) + sizeof(dma_addr_t)); |
| 359 | sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); |
| 360 | sg_done++; |
| 361 | } |
| 362 | |
| 363 | if (numSgeThisFrame == sges_left) { |
| 364 | /* Add last element, end of buffer and end of list flags. |
| 365 | */ |
| 366 | sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | |
| 367 | MPT_SGE_FLAGS_END_OF_BUFFER | |
| 368 | MPT_SGE_FLAGS_END_OF_LIST; |
| 369 | |
| 370 | /* Add last SGE and set termination flags. |
| 371 | * Note: Last SGE may have a length of 0 - which should be ok. |
| 372 | */ |
| 373 | thisxfer = sg_dma_len(sg); |
| 374 | |
| 375 | v2 = sg_dma_address(sg); |
| 376 | mptscsih_add_sge(psge, sgflags | thisxfer, v2); |
| 377 | /* |
| 378 | sg++; |
| 379 | psge += (sizeof(u32) + sizeof(dma_addr_t)); |
| 380 | */ |
| 381 | sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); |
| 382 | sg_done++; |
| 383 | |
| 384 | if (chainSge) { |
| 385 | /* The current buffer is a chain buffer, |
| 386 | * but there is not another one. |
| 387 | * Update the chain element |
| 388 | * Offset and Length fields. |
| 389 | */ |
| 390 | mptscsih_add_chain((char *)chainSge, 0, sgeOffset, ioc->ChainBufferDMA + chain_dma_off); |
| 391 | } else { |
| 392 | /* The current buffer is the original MF |
| 393 | * and there is no Chain buffer. |
| 394 | */ |
| 395 | pReq->ChainOffset = 0; |
| 396 | RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 397 | dsgprintk((MYIOC_s_INFO_FMT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); |
| 399 | ioc->RequestNB[req_idx] = RequestNB; |
| 400 | } |
| 401 | } else { |
| 402 | /* At least one chain buffer is needed. |
| 403 | * Complete the first MF |
| 404 | * - last SGE element, set the LastElement bit |
| 405 | * - set ChainOffset (words) for orig MF |
| 406 | * (OR finish previous MF chain buffer) |
| 407 | * - update MFStructPtr ChainIndex |
| 408 | * - Populate chain element |
| 409 | * Also |
| 410 | * Loop until done. |
| 411 | */ |
| 412 | |
| 413 | dsgprintk((MYIOC_s_INFO_FMT "SG: Chain Required! sg done %d\n", |
| 414 | ioc->name, sg_done)); |
| 415 | |
| 416 | /* Set LAST_ELEMENT flag for last non-chain element |
| 417 | * in the buffer. Since psge points at the NEXT |
| 418 | * SGE element, go back one SGE element, update the flags |
| 419 | * and reset the pointer. (Note: sgflags & thisxfer are already |
| 420 | * set properly). |
| 421 | */ |
| 422 | if (sg_done) { |
| 423 | u32 *ptmp = (u32 *) (psge - (sizeof(u32) + sizeof(dma_addr_t))); |
| 424 | sgflags = le32_to_cpu(*ptmp); |
| 425 | sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; |
| 426 | *ptmp = cpu_to_le32(sgflags); |
| 427 | } |
| 428 | |
| 429 | if (chainSge) { |
| 430 | /* The current buffer is a chain buffer. |
| 431 | * chainSge points to the previous Chain Element. |
| 432 | * Update its chain element Offset and Length (must |
| 433 | * include chain element size) fields. |
| 434 | * Old chain element is now complete. |
| 435 | */ |
| 436 | u8 nextChain = (u8) (sgeOffset >> 2); |
| 437 | sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); |
| 438 | mptscsih_add_chain((char *)chainSge, nextChain, sgeOffset, ioc->ChainBufferDMA + chain_dma_off); |
| 439 | } else { |
| 440 | /* The original MF buffer requires a chain buffer - |
| 441 | * set the offset. |
| 442 | * Last element in this MF is a chain element. |
| 443 | */ |
| 444 | pReq->ChainOffset = (u8) (sgeOffset >> 2); |
| 445 | RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; |
| 446 | dsgprintk((MYIOC_s_ERR_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); |
| 447 | ioc->RequestNB[req_idx] = RequestNB; |
| 448 | } |
| 449 | |
| 450 | sges_left -= sg_done; |
| 451 | |
| 452 | |
| 453 | /* NOTE: psge points to the beginning of the chain element |
| 454 | * in current buffer. Get a chain buffer. |
| 455 | */ |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 456 | if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) { |
| 457 | dfailprintk((MYIOC_s_INFO_FMT |
| 458 | "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n", |
| 459 | ioc->name, pReq->CDB[0], SCpnt)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | return FAILED; |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 461 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 462 | |
| 463 | /* Update the tracking arrays. |
| 464 | * If chainSge == NULL, update ReqToChain, else ChainToChain |
| 465 | */ |
| 466 | if (chainSge) { |
| 467 | ioc->ChainToChain[chain_idx] = newIndex; |
| 468 | } else { |
| 469 | ioc->ReqToChain[req_idx] = newIndex; |
| 470 | } |
| 471 | chain_idx = newIndex; |
| 472 | chain_dma_off = ioc->req_sz * chain_idx; |
| 473 | |
| 474 | /* Populate the chainSGE for the current buffer. |
| 475 | * - Set chain buffer pointer to psge and fill |
| 476 | * out the Address and Flags fields. |
| 477 | */ |
| 478 | chainSge = (char *) psge; |
| 479 | dsgprintk((KERN_INFO " Current buff @ %p (index 0x%x)", |
| 480 | psge, req_idx)); |
| 481 | |
| 482 | /* Start the SGE for the next buffer |
| 483 | */ |
| 484 | psge = (char *) (ioc->ChainBuffer + chain_dma_off); |
| 485 | sgeOffset = 0; |
| 486 | sg_done = 0; |
| 487 | |
| 488 | dsgprintk((KERN_INFO " Chain buff @ %p (index 0x%x)\n", |
| 489 | psge, chain_idx)); |
| 490 | |
| 491 | /* Start the SGE for the next buffer |
| 492 | */ |
| 493 | |
| 494 | goto nextSGEset; |
| 495 | } |
| 496 | |
| 497 | return SUCCESS; |
| 498 | } /* mptscsih_AddSGE() */ |
| 499 | |
| 500 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 501 | /* |
| 502 | * mptscsih_io_done - Main SCSI IO callback routine registered to |
| 503 | * Fusion MPT (base) driver |
| 504 | * @ioc: Pointer to MPT_ADAPTER structure |
| 505 | * @mf: Pointer to original MPT request frame |
| 506 | * @r: Pointer to MPT reply frame (NULL if TurboReply) |
| 507 | * |
| 508 | * This routine is called from mpt.c::mpt_interrupt() at the completion |
| 509 | * of any SCSI IO request. |
| 510 | * This routine is registered with the Fusion MPT (base) driver at driver |
| 511 | * load/init time via the mpt_register() API call. |
| 512 | * |
| 513 | * Returns 1 indicating alloc'd request frame ptr should be freed. |
| 514 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 515 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
| 517 | { |
| 518 | struct scsi_cmnd *sc; |
| 519 | MPT_SCSI_HOST *hd; |
| 520 | SCSIIORequest_t *pScsiReq; |
| 521 | SCSIIOReply_t *pScsiReply; |
Moore, Eric | 2254c86 | 2006-01-17 17:06:29 -0700 | [diff] [blame] | 522 | u16 req_idx, req_idx_MR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | |
| 524 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
| 525 | |
| 526 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
Moore, Eric | 2254c86 | 2006-01-17 17:06:29 -0700 | [diff] [blame] | 527 | req_idx_MR = (mr != NULL) ? |
| 528 | le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx; |
| 529 | if ((req_idx != req_idx_MR) || |
| 530 | (mf->u.frame.linkage.arg1 == 0xdeadbeaf)) { |
| 531 | printk(MYIOC_s_ERR_FMT "Received a mf that was already freed\n", |
| 532 | ioc->name); |
| 533 | printk (MYIOC_s_ERR_FMT |
| 534 | "req_idx=%x req_idx_MR=%x mf=%p mr=%p sc=%p\n", |
| 535 | ioc->name, req_idx, req_idx_MR, mf, mr, |
| 536 | hd->ScsiLookup[req_idx_MR]); |
| 537 | return 0; |
| 538 | } |
| 539 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | sc = hd->ScsiLookup[req_idx]; |
| 541 | if (sc == NULL) { |
| 542 | MPIHeader_t *hdr = (MPIHeader_t *)mf; |
| 543 | |
| 544 | /* Remark: writeSDP1 will use the ScsiDoneCtx |
| 545 | * If a SCSI I/O cmd, device disabled by OS and |
| 546 | * completion done. Cannot touch sc struct. Just free mem. |
| 547 | */ |
| 548 | if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) |
| 549 | printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", |
| 550 | ioc->name); |
| 551 | |
| 552 | mptscsih_freeChainBuffers(ioc, req_idx); |
| 553 | return 1; |
| 554 | } |
| 555 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 556 | sc->result = DID_OK << 16; /* Set default reply as OK */ |
| 557 | pScsiReq = (SCSIIORequest_t *) mf; |
| 558 | pScsiReply = (SCSIIOReply_t *) mr; |
| 559 | |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 560 | if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){ |
| 561 | dmfprintk((MYIOC_s_INFO_FMT |
| 562 | "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n", |
| 563 | ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag)); |
| 564 | }else{ |
| 565 | dmfprintk((MYIOC_s_INFO_FMT |
| 566 | "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", |
| 567 | ioc->name, mf, mr, sc, req_idx)); |
| 568 | } |
| 569 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | if (pScsiReply == NULL) { |
| 571 | /* special context reply handling */ |
| 572 | ; |
| 573 | } else { |
| 574 | u32 xfer_cnt; |
| 575 | u16 status; |
| 576 | u8 scsi_state, scsi_status; |
| 577 | |
| 578 | status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
| 579 | scsi_state = pScsiReply->SCSIState; |
| 580 | scsi_status = pScsiReply->SCSIStatus; |
| 581 | xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); |
| 582 | sc->resid = sc->request_bufflen - xfer_cnt; |
| 583 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 584 | /* |
| 585 | * if we get a data underrun indication, yet no data was |
| 586 | * transferred and the SCSI status indicates that the |
| 587 | * command was never started, change the data underrun |
| 588 | * to success |
| 589 | */ |
| 590 | if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 && |
| 591 | (scsi_status == MPI_SCSI_STATUS_BUSY || |
| 592 | scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT || |
| 593 | scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) { |
| 594 | status = MPI_IOCSTATUS_SUCCESS; |
| 595 | } |
| 596 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 597 | dreplyprintk((KERN_NOTICE "Reply ha=%d id=%d lun=%d:\n" |
| 598 | "IOCStatus=%04xh SCSIState=%02xh SCSIStatus=%02xh\n" |
| 599 | "resid=%d bufflen=%d xfer_cnt=%d\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 600 | ioc->id, sc->device->id, sc->device->lun, |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 601 | status, scsi_state, scsi_status, sc->resid, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | sc->request_bufflen, xfer_cnt)); |
| 603 | |
| 604 | if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 605 | mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); |
| 606 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 607 | /* |
| 608 | * Look for + dump FCP ResponseInfo[]! |
| 609 | */ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 610 | if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID && |
| 611 | pScsiReply->ResponseInfo) { |
| 612 | printk(KERN_NOTICE "ha=%d id=%d lun=%d: " |
| 613 | "FCP_ResponseInfo=%08xh\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 614 | ioc->id, sc->device->id, sc->device->lun, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 615 | le32_to_cpu(pScsiReply->ResponseInfo)); |
| 616 | } |
| 617 | |
| 618 | switch(status) { |
| 619 | case MPI_IOCSTATUS_BUSY: /* 0x0002 */ |
| 620 | /* CHECKME! |
| 621 | * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) |
| 622 | * But not: DID_BUS_BUSY lest one risk |
| 623 | * killing interrupt handler:-( |
| 624 | */ |
| 625 | sc->result = SAM_STAT_BUSY; |
| 626 | break; |
| 627 | |
| 628 | case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ |
| 629 | case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ |
| 630 | sc->result = DID_BAD_TARGET << 16; |
| 631 | break; |
| 632 | |
| 633 | case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ |
| 634 | /* Spoof to SCSI Selection Timeout! */ |
| 635 | sc->result = DID_NO_CONNECT << 16; |
| 636 | |
| 637 | if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) |
| 638 | hd->sel_timeout[pScsiReq->TargetID]++; |
| 639 | break; |
| 640 | |
| 641 | case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ |
| 642 | case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ |
| 643 | case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ |
| 644 | /* Linux handles an unsolicited DID_RESET better |
| 645 | * than an unsolicited DID_ABORT. |
| 646 | */ |
| 647 | sc->result = DID_RESET << 16; |
| 648 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 649 | break; |
| 650 | |
| 651 | case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 652 | sc->resid = sc->request_bufflen - xfer_cnt; |
| 653 | if((xfer_cnt==0)||(sc->underflow > xfer_cnt)) |
| 654 | sc->result=DID_SOFT_ERROR << 16; |
| 655 | else /* Sufficient data transfer occurred */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | sc->result = (DID_OK << 16) | scsi_status; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 657 | dreplyprintk((KERN_NOTICE |
| 658 | "RESIDUAL_MISMATCH: result=%x on id=%d\n", sc->result, sc->device->id)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 659 | break; |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 660 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 661 | case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ |
| 662 | /* |
| 663 | * Do upfront check for valid SenseData and give it |
| 664 | * precedence! |
| 665 | */ |
| 666 | sc->result = (DID_OK << 16) | scsi_status; |
| 667 | if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { |
| 668 | /* Have already saved the status and sense data |
| 669 | */ |
| 670 | ; |
| 671 | } else { |
| 672 | if (xfer_cnt < sc->underflow) { |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 673 | if (scsi_status == SAM_STAT_BUSY) |
| 674 | sc->result = SAM_STAT_BUSY; |
| 675 | else |
| 676 | sc->result = DID_SOFT_ERROR << 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 677 | } |
| 678 | if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { |
| 679 | /* What to do? |
| 680 | */ |
| 681 | sc->result = DID_SOFT_ERROR << 16; |
| 682 | } |
| 683 | else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { |
| 684 | /* Not real sure here either... */ |
| 685 | sc->result = DID_RESET << 16; |
| 686 | } |
| 687 | } |
| 688 | |
| 689 | dreplyprintk((KERN_NOTICE " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", |
| 690 | sc->underflow)); |
| 691 | dreplyprintk((KERN_NOTICE " ActBytesXferd=%02xh\n", xfer_cnt)); |
| 692 | /* Report Queue Full |
| 693 | */ |
| 694 | if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) |
| 695 | mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 696 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | break; |
| 698 | |
Moore, Eric | 7e55147 | 2006-01-16 18:53:21 -0700 | [diff] [blame] | 699 | case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ |
| 700 | sc->resid=0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 701 | case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ |
| 702 | case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 703 | if (scsi_status == MPI_SCSI_STATUS_BUSY) |
| 704 | sc->result = (DID_BUS_BUSY << 16) | scsi_status; |
| 705 | else |
| 706 | sc->result = (DID_OK << 16) | scsi_status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 707 | if (scsi_state == 0) { |
| 708 | ; |
| 709 | } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { |
| 710 | /* |
| 711 | * If running against circa 200003dd 909 MPT f/w, |
| 712 | * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL |
| 713 | * (QUEUE_FULL) returned from device! --> get 0x0000?128 |
| 714 | * and with SenseBytes set to 0. |
| 715 | */ |
| 716 | if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) |
| 717 | mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); |
| 718 | |
| 719 | } |
| 720 | else if (scsi_state & |
| 721 | (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) |
| 722 | ) { |
| 723 | /* |
| 724 | * What to do? |
| 725 | */ |
| 726 | sc->result = DID_SOFT_ERROR << 16; |
| 727 | } |
| 728 | else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { |
| 729 | /* Not real sure here either... */ |
| 730 | sc->result = DID_RESET << 16; |
| 731 | } |
| 732 | else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { |
| 733 | /* Device Inq. data indicates that it supports |
| 734 | * QTags, but rejects QTag messages. |
| 735 | * This command completed OK. |
| 736 | * |
| 737 | * Not real sure here either so do nothing... */ |
| 738 | } |
| 739 | |
| 740 | if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) |
| 741 | mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); |
| 742 | |
| 743 | /* Add handling of: |
| 744 | * Reservation Conflict, Busy, |
| 745 | * Command Terminated, CHECK |
| 746 | */ |
| 747 | break; |
| 748 | |
| 749 | case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ |
| 750 | sc->result = DID_SOFT_ERROR << 16; |
| 751 | break; |
| 752 | |
| 753 | case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ |
| 754 | case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ |
| 755 | case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ |
| 756 | case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ |
| 757 | case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ |
| 758 | case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ |
| 759 | case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 760 | case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ |
| 761 | case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ |
| 762 | default: |
| 763 | /* |
| 764 | * What to do? |
| 765 | */ |
| 766 | sc->result = DID_SOFT_ERROR << 16; |
| 767 | break; |
| 768 | |
| 769 | } /* switch(status) */ |
| 770 | |
| 771 | dreplyprintk((KERN_NOTICE " sc->result is %08xh\n", sc->result)); |
| 772 | } /* end of address reply case */ |
| 773 | |
| 774 | /* Unmap the DMA buffers, if any. */ |
| 775 | if (sc->use_sg) { |
| 776 | pci_unmap_sg(ioc->pcidev, (struct scatterlist *) sc->request_buffer, |
| 777 | sc->use_sg, sc->sc_data_direction); |
| 778 | } else if (sc->request_bufflen) { |
| 779 | pci_unmap_single(ioc->pcidev, sc->SCp.dma_handle, |
| 780 | sc->request_bufflen, sc->sc_data_direction); |
| 781 | } |
| 782 | |
| 783 | hd->ScsiLookup[req_idx] = NULL; |
| 784 | |
| 785 | sc->scsi_done(sc); /* Issue the command callback */ |
| 786 | |
| 787 | /* Free Chain buffers */ |
| 788 | mptscsih_freeChainBuffers(ioc, req_idx); |
| 789 | return 1; |
| 790 | } |
| 791 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 792 | /* |
| 793 | * mptscsih_flush_running_cmds - For each command found, search |
| 794 | * Scsi_Host instance taskQ and reply to OS. |
| 795 | * Called only if recovering from a FW reload. |
| 796 | * @hd: Pointer to a SCSI HOST structure |
| 797 | * |
| 798 | * Returns: None. |
| 799 | * |
| 800 | * Must be called while new I/Os are being queued. |
| 801 | */ |
| 802 | static void |
| 803 | mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) |
| 804 | { |
| 805 | MPT_ADAPTER *ioc = hd->ioc; |
| 806 | struct scsi_cmnd *SCpnt; |
| 807 | MPT_FRAME_HDR *mf; |
| 808 | int ii; |
| 809 | int max = ioc->req_depth; |
| 810 | |
| 811 | dprintk((KERN_INFO MYNAM ": flush_ScsiLookup called\n")); |
| 812 | for (ii= 0; ii < max; ii++) { |
| 813 | if ((SCpnt = hd->ScsiLookup[ii]) != NULL) { |
| 814 | |
| 815 | /* Command found. |
| 816 | */ |
| 817 | |
| 818 | /* Null ScsiLookup index |
| 819 | */ |
| 820 | hd->ScsiLookup[ii] = NULL; |
| 821 | |
| 822 | mf = MPT_INDEX_2_MFPTR(ioc, ii); |
| 823 | dmfprintk(( "flush: ScsiDone (mf=%p,sc=%p)\n", |
| 824 | mf, SCpnt)); |
| 825 | |
| 826 | /* Set status, free OS resources (SG DMA buffers) |
| 827 | * Do OS callback |
| 828 | * Free driver resources (chain, msg buffers) |
| 829 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 830 | if (SCpnt->use_sg) { |
| 831 | pci_unmap_sg(ioc->pcidev, |
| 832 | (struct scatterlist *) SCpnt->request_buffer, |
| 833 | SCpnt->use_sg, |
| 834 | SCpnt->sc_data_direction); |
| 835 | } else if (SCpnt->request_bufflen) { |
| 836 | pci_unmap_single(ioc->pcidev, |
| 837 | SCpnt->SCp.dma_handle, |
| 838 | SCpnt->request_bufflen, |
| 839 | SCpnt->sc_data_direction); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | } |
| 841 | SCpnt->result = DID_RESET << 16; |
| 842 | SCpnt->host_scribble = NULL; |
| 843 | |
| 844 | /* Free Chain buffers */ |
| 845 | mptscsih_freeChainBuffers(ioc, ii); |
| 846 | |
| 847 | /* Free Message frames */ |
| 848 | mpt_free_msg_frame(ioc, mf); |
| 849 | |
| 850 | SCpnt->scsi_done(SCpnt); /* Issue the command callback */ |
| 851 | } |
| 852 | } |
| 853 | |
| 854 | return; |
| 855 | } |
| 856 | |
| 857 | /* |
| 858 | * mptscsih_search_running_cmds - Delete any commands associated |
| 859 | * with the specified target and lun. Function called only |
| 860 | * when a lun is disable by mid-layer. |
| 861 | * Do NOT access the referenced scsi_cmnd structure or |
| 862 | * members. Will cause either a paging or NULL ptr error. |
Michael Reed | 05e8ec1 | 2006-01-13 14:31:54 -0600 | [diff] [blame] | 863 | * (BUT, BUT, BUT, the code does reference it! - mdr) |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 864 | * @hd: Pointer to a SCSI HOST structure |
| 865 | * @vdevice: per device private data |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 866 | * |
| 867 | * Returns: None. |
| 868 | * |
| 869 | * Called from slave_destroy. |
| 870 | */ |
| 871 | static void |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 872 | mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 873 | { |
| 874 | SCSIIORequest_t *mf = NULL; |
| 875 | int ii; |
| 876 | int max = hd->ioc->req_depth; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 877 | struct scsi_cmnd *sc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 878 | |
| 879 | dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 880 | vdevice->target_id, vdevice->lun, max)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | |
| 882 | for (ii=0; ii < max; ii++) { |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 883 | if ((sc = hd->ScsiLookup[ii]) != NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 884 | |
| 885 | mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii); |
| 886 | |
| 887 | dsprintk(( "search_running: found (sc=%p, mf = %p) target %d, lun %d \n", |
| 888 | hd->ScsiLookup[ii], mf, mf->TargetID, mf->LUN[1])); |
| 889 | |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 890 | if ((mf->TargetID != ((u8)vdevice->vtarget->target_id)) || (mf->LUN[1] != ((u8) vdevice->lun))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 891 | continue; |
| 892 | |
| 893 | /* Cleanup |
| 894 | */ |
| 895 | hd->ScsiLookup[ii] = NULL; |
| 896 | mptscsih_freeChainBuffers(hd->ioc, ii); |
| 897 | mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf); |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 898 | if (sc->use_sg) { |
| 899 | pci_unmap_sg(hd->ioc->pcidev, |
| 900 | (struct scatterlist *) sc->request_buffer, |
| 901 | sc->use_sg, |
| 902 | sc->sc_data_direction); |
| 903 | } else if (sc->request_bufflen) { |
| 904 | pci_unmap_single(hd->ioc->pcidev, |
| 905 | sc->SCp.dma_handle, |
| 906 | sc->request_bufflen, |
| 907 | sc->sc_data_direction); |
| 908 | } |
| 909 | sc->host_scribble = NULL; |
| 910 | sc->result = DID_NO_CONNECT << 16; |
| 911 | sc->scsi_done(sc); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 912 | } |
| 913 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 914 | return; |
| 915 | } |
| 916 | |
| 917 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | |
| 919 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 920 | /* |
| 921 | * mptscsih_report_queue_full - Report QUEUE_FULL status returned |
| 922 | * from a SCSI target device. |
| 923 | * @sc: Pointer to scsi_cmnd structure |
| 924 | * @pScsiReply: Pointer to SCSIIOReply_t |
| 925 | * @pScsiReq: Pointer to original SCSI request |
| 926 | * |
| 927 | * This routine periodically reports QUEUE_FULL status returned from a |
| 928 | * SCSI target device. It reports this to the console via kernel |
| 929 | * printk() API call, not more than once every 10 seconds. |
| 930 | */ |
| 931 | static void |
| 932 | mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) |
| 933 | { |
| 934 | long time = jiffies; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 935 | MPT_SCSI_HOST *hd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 936 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 937 | if (sc->device == NULL) |
| 938 | return; |
| 939 | if (sc->device->host == NULL) |
| 940 | return; |
| 941 | if ((hd = (MPT_SCSI_HOST *)sc->device->host->hostdata) == NULL) |
| 942 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 944 | if (time - hd->last_queue_full > 10 * HZ) { |
| 945 | dprintk((MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", |
| 946 | hd->ioc->name, 0, sc->device->id, sc->device->lun)); |
| 947 | hd->last_queue_full = time; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 949 | } |
| 950 | |
| 951 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 952 | /* |
| 953 | * mptscsih_remove - Removed scsi devices |
| 954 | * @pdev: Pointer to pci_dev structure |
| 955 | * |
| 956 | * |
| 957 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 958 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | mptscsih_remove(struct pci_dev *pdev) |
| 960 | { |
| 961 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| 962 | struct Scsi_Host *host = ioc->sh; |
| 963 | MPT_SCSI_HOST *hd; |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 964 | int sz1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 966 | if(!host) { |
| 967 | mpt_detach(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | return; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 969 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | |
| 971 | scsi_remove_host(host); |
| 972 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 973 | if((hd = (MPT_SCSI_HOST *)host->hostdata) == NULL) |
| 974 | return; |
| 975 | |
Greg Kroah-Hartman | d18c3db | 2005-06-23 17:35:56 -0700 | [diff] [blame] | 976 | mptscsih_shutdown(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 978 | sz1=0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 979 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 980 | if (hd->ScsiLookup != NULL) { |
| 981 | sz1 = hd->ioc->req_depth * sizeof(void *); |
| 982 | kfree(hd->ScsiLookup); |
| 983 | hd->ScsiLookup = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 984 | } |
| 985 | |
Moore, Eric Dean | d485eb8 | 2005-05-11 17:37:26 -0600 | [diff] [blame] | 986 | /* |
| 987 | * Free pointer array. |
| 988 | */ |
| 989 | kfree(hd->Targets); |
| 990 | hd->Targets = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 991 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 992 | dprintk((MYIOC_s_INFO_FMT |
| 993 | "Free'd ScsiLookup (%d) memory\n", |
| 994 | hd->ioc->name, sz1)); |
| 995 | |
Moore, Eric Dean | d485eb8 | 2005-05-11 17:37:26 -0600 | [diff] [blame] | 996 | kfree(hd->info_kbuf); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 997 | |
| 998 | /* NULL the Scsi_Host pointer |
| 999 | */ |
| 1000 | hd->ioc->sh = NULL; |
| 1001 | |
| 1002 | scsi_host_put(host); |
| 1003 | |
| 1004 | mpt_detach(pdev); |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1005 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1006 | } |
| 1007 | |
| 1008 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1009 | /* |
| 1010 | * mptscsih_shutdown - reboot notifier |
| 1011 | * |
| 1012 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1013 | void |
Greg Kroah-Hartman | d18c3db | 2005-06-23 17:35:56 -0700 | [diff] [blame] | 1014 | mptscsih_shutdown(struct pci_dev *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | { |
Greg Kroah-Hartman | d18c3db | 2005-06-23 17:35:56 -0700 | [diff] [blame] | 1016 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1017 | struct Scsi_Host *host = ioc->sh; |
| 1018 | MPT_SCSI_HOST *hd; |
| 1019 | |
| 1020 | if(!host) |
| 1021 | return; |
| 1022 | |
| 1023 | hd = (MPT_SCSI_HOST *)host->hostdata; |
| 1024 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1025 | } |
| 1026 | |
| 1027 | #ifdef CONFIG_PM |
| 1028 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1029 | /* |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1030 | * mptscsih_suspend - Fusion MPT scsi driver suspend routine. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | * |
| 1032 | * |
| 1033 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1034 | int |
Pavel Machek | 8d189f7 | 2005-04-16 15:25:28 -0700 | [diff] [blame] | 1035 | mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1036 | { |
Greg Kroah-Hartman | d18c3db | 2005-06-23 17:35:56 -0700 | [diff] [blame] | 1037 | mptscsih_shutdown(pdev); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1038 | return mpt_suspend(pdev,state); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1039 | } |
| 1040 | |
| 1041 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1042 | /* |
| 1043 | * mptscsih_resume - Fusion MPT scsi driver resume routine. |
| 1044 | * |
| 1045 | * |
| 1046 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1047 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1048 | mptscsih_resume(struct pci_dev *pdev) |
| 1049 | { |
| 1050 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); |
| 1051 | struct Scsi_Host *host = ioc->sh; |
| 1052 | MPT_SCSI_HOST *hd; |
| 1053 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1054 | mpt_resume(pdev); |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1055 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1056 | if(!host) |
| 1057 | return 0; |
| 1058 | |
| 1059 | hd = (MPT_SCSI_HOST *)host->hostdata; |
| 1060 | if(!hd) |
| 1061 | return 0; |
| 1062 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | return 0; |
| 1064 | } |
| 1065 | |
| 1066 | #endif |
| 1067 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1069 | /** |
| 1070 | * mptscsih_info - Return information about MPT adapter |
| 1071 | * @SChost: Pointer to Scsi_Host structure |
| 1072 | * |
| 1073 | * (linux scsi_host_template.info routine) |
| 1074 | * |
| 1075 | * Returns pointer to buffer where information was written. |
| 1076 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1077 | const char * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | mptscsih_info(struct Scsi_Host *SChost) |
| 1079 | { |
| 1080 | MPT_SCSI_HOST *h; |
| 1081 | int size = 0; |
| 1082 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1083 | h = (MPT_SCSI_HOST *)SChost->hostdata; |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1084 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1085 | if (h) { |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1086 | if (h->info_kbuf == NULL) |
| 1087 | if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) |
| 1088 | return h->info_kbuf; |
| 1089 | h->info_kbuf[0] = '\0'; |
| 1090 | |
| 1091 | mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); |
| 1092 | h->info_kbuf[size-1] = '\0'; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1093 | } |
| 1094 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1095 | return h->info_kbuf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1096 | } |
| 1097 | |
| 1098 | struct info_str { |
| 1099 | char *buffer; |
| 1100 | int length; |
| 1101 | int offset; |
| 1102 | int pos; |
| 1103 | }; |
| 1104 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1105 | static void |
| 1106 | mptscsih_copy_mem_info(struct info_str *info, char *data, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | { |
| 1108 | if (info->pos + len > info->length) |
| 1109 | len = info->length - info->pos; |
| 1110 | |
| 1111 | if (info->pos + len < info->offset) { |
| 1112 | info->pos += len; |
| 1113 | return; |
| 1114 | } |
| 1115 | |
| 1116 | if (info->pos < info->offset) { |
| 1117 | data += (info->offset - info->pos); |
| 1118 | len -= (info->offset - info->pos); |
| 1119 | } |
| 1120 | |
| 1121 | if (len > 0) { |
| 1122 | memcpy(info->buffer + info->pos, data, len); |
| 1123 | info->pos += len; |
| 1124 | } |
| 1125 | } |
| 1126 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1127 | static int |
| 1128 | mptscsih_copy_info(struct info_str *info, char *fmt, ...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | { |
| 1130 | va_list args; |
| 1131 | char buf[81]; |
| 1132 | int len; |
| 1133 | |
| 1134 | va_start(args, fmt); |
| 1135 | len = vsprintf(buf, fmt, args); |
| 1136 | va_end(args); |
| 1137 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1138 | mptscsih_copy_mem_info(info, buf, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1139 | return len; |
| 1140 | } |
| 1141 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1142 | static int |
| 1143 | mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1144 | { |
| 1145 | struct info_str info; |
| 1146 | |
| 1147 | info.buffer = pbuf; |
| 1148 | info.length = len; |
| 1149 | info.offset = offset; |
| 1150 | info.pos = 0; |
| 1151 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1152 | mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); |
| 1153 | mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); |
| 1154 | mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); |
| 1155 | mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1156 | |
| 1157 | return ((info.pos > info.offset) ? info.pos - info.offset : 0); |
| 1158 | } |
| 1159 | |
| 1160 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1161 | /** |
| 1162 | * mptscsih_proc_info - Return information about MPT adapter |
| 1163 | * |
| 1164 | * (linux scsi_host_template.info routine) |
| 1165 | * |
| 1166 | * buffer: if write, user data; if read, buffer for user |
| 1167 | * length: if write, return length; |
| 1168 | * offset: if write, 0; if read, the current offset into the buffer from |
| 1169 | * the previous read. |
| 1170 | * hostno: scsi host number |
| 1171 | * func: if write = 1; if read = 0 |
| 1172 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1173 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1174 | mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, |
| 1175 | int length, int func) |
| 1176 | { |
| 1177 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
| 1178 | MPT_ADAPTER *ioc = hd->ioc; |
| 1179 | int size = 0; |
| 1180 | |
| 1181 | if (func) { |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1182 | /* |
| 1183 | * write is not supported |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1184 | */ |
| 1185 | } else { |
| 1186 | if (start) |
| 1187 | *start = buffer; |
| 1188 | |
| 1189 | size = mptscsih_host_info(ioc, buffer, offset, length); |
| 1190 | } |
| 1191 | |
| 1192 | return size; |
| 1193 | } |
| 1194 | |
| 1195 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1196 | #define ADD_INDEX_LOG(req_ent) do { } while(0) |
| 1197 | |
| 1198 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1199 | /** |
| 1200 | * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. |
| 1201 | * @SCpnt: Pointer to scsi_cmnd structure |
| 1202 | * @done: Pointer SCSI mid-layer IO completion function |
| 1203 | * |
| 1204 | * (linux scsi_host_template.queuecommand routine) |
| 1205 | * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest |
| 1206 | * from a linux scsi_cmnd request and send it to the IOC. |
| 1207 | * |
| 1208 | * Returns 0. (rtn value discarded by linux scsi mid-layer) |
| 1209 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1210 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1211 | mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) |
| 1212 | { |
| 1213 | MPT_SCSI_HOST *hd; |
| 1214 | MPT_FRAME_HDR *mf; |
| 1215 | SCSIIORequest_t *pScsiReq; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1216 | VirtDevice *vdev = SCpnt->device->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1217 | int lun; |
| 1218 | u32 datalen; |
| 1219 | u32 scsictl; |
| 1220 | u32 scsidir; |
| 1221 | u32 cmd_len; |
| 1222 | int my_idx; |
| 1223 | int ii; |
| 1224 | |
| 1225 | hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | lun = SCpnt->device->lun; |
| 1227 | SCpnt->scsi_done = done; |
| 1228 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1229 | dmfprintk((MYIOC_s_INFO_FMT "qcmd: SCpnt=%p, done()=%p\n", |
| 1230 | (hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt, done)); |
| 1231 | |
| 1232 | if (hd->resetPending) { |
| 1233 | dtmprintk((MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n", |
| 1234 | (hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt)); |
| 1235 | return SCSI_MLQUEUE_HOST_BUSY; |
| 1236 | } |
| 1237 | |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 1238 | if ((hd->ioc->bus_type == SPI) && |
| 1239 | vdev->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT && |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 1240 | mptscsih_raid_id_to_num(hd, SCpnt->device->id) < 0) { |
| 1241 | SCpnt->result = DID_NO_CONNECT << 16; |
| 1242 | done(SCpnt); |
| 1243 | return 0; |
| 1244 | } |
| 1245 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1246 | /* |
| 1247 | * Put together a MPT SCSI request... |
| 1248 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1249 | if ((mf = mpt_get_msg_frame(hd->ioc->DoneCtx, hd->ioc)) == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1250 | dprintk((MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", |
| 1251 | hd->ioc->name)); |
| 1252 | return SCSI_MLQUEUE_HOST_BUSY; |
| 1253 | } |
| 1254 | |
| 1255 | pScsiReq = (SCSIIORequest_t *) mf; |
| 1256 | |
| 1257 | my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 1258 | |
| 1259 | ADD_INDEX_LOG(my_idx); |
| 1260 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1261 | /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1262 | * Seems we may receive a buffer (datalen>0) even when there |
| 1263 | * will be no data transfer! GRRRRR... |
| 1264 | */ |
| 1265 | if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { |
| 1266 | datalen = SCpnt->request_bufflen; |
| 1267 | scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ |
| 1268 | } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { |
| 1269 | datalen = SCpnt->request_bufflen; |
| 1270 | scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ |
| 1271 | } else { |
| 1272 | datalen = 0; |
| 1273 | scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; |
| 1274 | } |
| 1275 | |
| 1276 | /* Default to untagged. Once a target structure has been allocated, |
| 1277 | * use the Inquiry data to determine if device supports tagged. |
| 1278 | */ |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1279 | if (vdev |
| 1280 | && (vdev->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1281 | && (SCpnt->device->tagged_supported)) { |
| 1282 | scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; |
| 1283 | } else { |
| 1284 | scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; |
| 1285 | } |
| 1286 | |
| 1287 | /* Use the above information to set up the message frame |
| 1288 | */ |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 1289 | pScsiReq->TargetID = (u8) vdev->vtarget->target_id; |
| 1290 | pScsiReq->Bus = vdev->vtarget->bus_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | pScsiReq->ChainOffset = 0; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 1292 | if (vdev->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) |
| 1293 | pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; |
| 1294 | else |
| 1295 | pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1296 | pScsiReq->CDBLength = SCpnt->cmd_len; |
| 1297 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
| 1298 | pScsiReq->Reserved = 0; |
| 1299 | pScsiReq->MsgFlags = mpt_msg_flags(); |
| 1300 | pScsiReq->LUN[0] = 0; |
| 1301 | pScsiReq->LUN[1] = lun; |
| 1302 | pScsiReq->LUN[2] = 0; |
| 1303 | pScsiReq->LUN[3] = 0; |
| 1304 | pScsiReq->LUN[4] = 0; |
| 1305 | pScsiReq->LUN[5] = 0; |
| 1306 | pScsiReq->LUN[6] = 0; |
| 1307 | pScsiReq->LUN[7] = 0; |
| 1308 | pScsiReq->Control = cpu_to_le32(scsictl); |
| 1309 | |
| 1310 | /* |
| 1311 | * Write SCSI CDB into the message |
| 1312 | */ |
| 1313 | cmd_len = SCpnt->cmd_len; |
| 1314 | for (ii=0; ii < cmd_len; ii++) |
| 1315 | pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; |
| 1316 | |
| 1317 | for (ii=cmd_len; ii < 16; ii++) |
| 1318 | pScsiReq->CDB[ii] = 0; |
| 1319 | |
| 1320 | /* DataLength */ |
| 1321 | pScsiReq->DataLength = cpu_to_le32(datalen); |
| 1322 | |
| 1323 | /* SenseBuffer low address */ |
| 1324 | pScsiReq->SenseBufferLowAddr = cpu_to_le32(hd->ioc->sense_buf_low_dma |
| 1325 | + (my_idx * MPT_SENSE_BUFFER_ALLOC)); |
| 1326 | |
| 1327 | /* Now add the SG list |
| 1328 | * Always have a SGE even if null length. |
| 1329 | */ |
| 1330 | if (datalen == 0) { |
| 1331 | /* Add a NULL SGE */ |
| 1332 | mptscsih_add_sge((char *)&pScsiReq->SGL, MPT_SGE_FLAGS_SSIMPLE_READ | 0, |
| 1333 | (dma_addr_t) -1); |
| 1334 | } else { |
| 1335 | /* Add a 32 or 64 bit SGE */ |
| 1336 | if (mptscsih_AddSGE(hd->ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) |
| 1337 | goto fail; |
| 1338 | } |
| 1339 | |
| 1340 | hd->ScsiLookup[my_idx] = SCpnt; |
| 1341 | SCpnt->host_scribble = NULL; |
| 1342 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1343 | mpt_put_msg_frame(hd->ioc->DoneCtx, hd->ioc, mf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1344 | dmfprintk((MYIOC_s_INFO_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", |
| 1345 | hd->ioc->name, SCpnt, mf, my_idx)); |
| 1346 | DBG_DUMP_REQUEST_FRAME(mf) |
| 1347 | return 0; |
| 1348 | |
| 1349 | fail: |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1350 | hd->ScsiLookup[my_idx] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1351 | mptscsih_freeChainBuffers(hd->ioc, my_idx); |
| 1352 | mpt_free_msg_frame(hd->ioc, mf); |
| 1353 | return SCSI_MLQUEUE_HOST_BUSY; |
| 1354 | } |
| 1355 | |
| 1356 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1357 | /* |
| 1358 | * mptscsih_freeChainBuffers - Function to free chain buffers associated |
| 1359 | * with a SCSI IO request |
| 1360 | * @hd: Pointer to the MPT_SCSI_HOST instance |
| 1361 | * @req_idx: Index of the SCSI IO request frame. |
| 1362 | * |
| 1363 | * Called if SG chain buffer allocation fails and mptscsih callbacks. |
| 1364 | * No return. |
| 1365 | */ |
| 1366 | static void |
| 1367 | mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) |
| 1368 | { |
| 1369 | MPT_FRAME_HDR *chain; |
| 1370 | unsigned long flags; |
| 1371 | int chain_idx; |
| 1372 | int next; |
| 1373 | |
| 1374 | /* Get the first chain index and reset |
| 1375 | * tracker state. |
| 1376 | */ |
| 1377 | chain_idx = ioc->ReqToChain[req_idx]; |
| 1378 | ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; |
| 1379 | |
| 1380 | while (chain_idx != MPT_HOST_NO_CHAIN) { |
| 1381 | |
| 1382 | /* Save the next chain buffer index */ |
| 1383 | next = ioc->ChainToChain[chain_idx]; |
| 1384 | |
| 1385 | /* Free this chain buffer and reset |
| 1386 | * tracker |
| 1387 | */ |
| 1388 | ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; |
| 1389 | |
| 1390 | chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer |
| 1391 | + (chain_idx * ioc->req_sz)); |
| 1392 | |
| 1393 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
| 1394 | list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); |
| 1395 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| 1396 | |
| 1397 | dmfprintk((MYIOC_s_INFO_FMT "FreeChainBuffers (index %d)\n", |
| 1398 | ioc->name, chain_idx)); |
| 1399 | |
| 1400 | /* handle next */ |
| 1401 | chain_idx = next; |
| 1402 | } |
| 1403 | return; |
| 1404 | } |
| 1405 | |
| 1406 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1407 | /* |
| 1408 | * Reset Handling |
| 1409 | */ |
| 1410 | |
| 1411 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1412 | /* |
| 1413 | * mptscsih_TMHandler - Generic handler for SCSI Task Management. |
| 1414 | * Fall through to mpt_HardResetHandler if: not operational, too many |
| 1415 | * failed TM requests or handshake failure. |
| 1416 | * |
| 1417 | * @ioc: Pointer to MPT_ADAPTER structure |
| 1418 | * @type: Task Management type |
| 1419 | * @target: Logical Target ID for reset (if appropriate) |
| 1420 | * @lun: Logical Unit for reset (if appropriate) |
| 1421 | * @ctx2abort: Context for the task to be aborted (if appropriate) |
| 1422 | * |
| 1423 | * Remark: Currently invoked from a non-interrupt thread (_bh). |
| 1424 | * |
| 1425 | * Remark: With old EH code, at most 1 SCSI TaskMgmt function per IOC |
| 1426 | * will be active. |
| 1427 | * |
| 1428 | * Returns 0 for SUCCESS or -1 if FAILED. |
| 1429 | */ |
James Bottomley | 663e1aa | 2006-01-29 12:10:24 -0600 | [diff] [blame] | 1430 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1431 | mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout) |
| 1432 | { |
| 1433 | MPT_ADAPTER *ioc; |
| 1434 | int rc = -1; |
| 1435 | int doTask = 1; |
| 1436 | u32 ioc_raw_state; |
| 1437 | unsigned long flags; |
| 1438 | |
| 1439 | /* If FW is being reloaded currently, return success to |
| 1440 | * the calling function. |
| 1441 | */ |
| 1442 | if (hd == NULL) |
| 1443 | return 0; |
| 1444 | |
| 1445 | ioc = hd->ioc; |
| 1446 | if (ioc == NULL) { |
| 1447 | printk(KERN_ERR MYNAM " TMHandler" " NULL ioc!\n"); |
| 1448 | return FAILED; |
| 1449 | } |
| 1450 | dtmprintk((MYIOC_s_INFO_FMT "TMHandler Entered!\n", ioc->name)); |
| 1451 | |
| 1452 | // SJR - CHECKME - Can we avoid this here? |
| 1453 | // (mpt_HardResetHandler has this check...) |
| 1454 | spin_lock_irqsave(&ioc->diagLock, flags); |
| 1455 | if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)) { |
| 1456 | spin_unlock_irqrestore(&ioc->diagLock, flags); |
| 1457 | return FAILED; |
| 1458 | } |
| 1459 | spin_unlock_irqrestore(&ioc->diagLock, flags); |
| 1460 | |
| 1461 | /* Wait a fixed amount of time for the TM pending flag to be cleared. |
| 1462 | * If we time out and not bus reset, then we return a FAILED status to the caller. |
| 1463 | * The call to mptscsih_tm_pending_wait() will set the pending flag if we are |
| 1464 | * successful. Otherwise, reload the FW. |
| 1465 | */ |
| 1466 | if (mptscsih_tm_pending_wait(hd) == FAILED) { |
| 1467 | if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1468 | dtmprintk((KERN_INFO MYNAM ": %s: TMHandler abort: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1469 | "Timed out waiting for last TM (%d) to complete! \n", |
| 1470 | hd->ioc->name, hd->tmPending)); |
| 1471 | return FAILED; |
| 1472 | } else if (type == MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1473 | dtmprintk((KERN_INFO MYNAM ": %s: TMHandler target reset: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1474 | "Timed out waiting for last TM (%d) to complete! \n", |
| 1475 | hd->ioc->name, hd->tmPending)); |
| 1476 | return FAILED; |
| 1477 | } else if (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) { |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1478 | dtmprintk((KERN_INFO MYNAM ": %s: TMHandler bus reset: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | "Timed out waiting for last TM (%d) to complete! \n", |
| 1480 | hd->ioc->name, hd->tmPending)); |
| 1481 | if (hd->tmPending & (1 << MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)) |
| 1482 | return FAILED; |
| 1483 | |
| 1484 | doTask = 0; |
| 1485 | } |
| 1486 | } else { |
| 1487 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| 1488 | hd->tmPending |= (1 << type); |
| 1489 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| 1490 | } |
| 1491 | |
| 1492 | /* Is operational? |
| 1493 | */ |
| 1494 | ioc_raw_state = mpt_GetIocState(hd->ioc, 0); |
| 1495 | |
| 1496 | #ifdef MPT_DEBUG_RESET |
| 1497 | if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { |
| 1498 | printk(MYIOC_s_WARN_FMT |
| 1499 | "TM Handler: IOC Not operational(0x%x)!\n", |
| 1500 | hd->ioc->name, ioc_raw_state); |
| 1501 | } |
| 1502 | #endif |
| 1503 | |
| 1504 | if (doTask && ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) |
| 1505 | && !(ioc_raw_state & MPI_DOORBELL_ACTIVE)) { |
| 1506 | |
| 1507 | /* Isse the Task Mgmt request. |
| 1508 | */ |
| 1509 | if (hd->hard_resets < -1) |
| 1510 | hd->hard_resets++; |
| 1511 | rc = mptscsih_IssueTaskMgmt(hd, type, channel, target, lun, ctx2abort, timeout); |
| 1512 | if (rc) { |
| 1513 | printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n", hd->ioc->name); |
| 1514 | } else { |
| 1515 | dtmprintk((MYIOC_s_INFO_FMT "Issue of TaskMgmt Successful!\n", hd->ioc->name)); |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | /* Only fall through to the HRH if this is a bus reset |
| 1520 | */ |
| 1521 | if ((type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && (rc || |
| 1522 | ioc->reload_fw || (ioc->alt_ioc && ioc->alt_ioc->reload_fw))) { |
| 1523 | dtmprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n", |
| 1524 | hd->ioc->name)); |
| 1525 | rc = mpt_HardResetHandler(hd->ioc, CAN_SLEEP); |
| 1526 | } |
| 1527 | |
| 1528 | dtmprintk((MYIOC_s_INFO_FMT "TMHandler rc = %d!\n", hd->ioc->name, rc)); |
| 1529 | |
| 1530 | return rc; |
| 1531 | } |
| 1532 | |
| 1533 | |
| 1534 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1535 | /* |
| 1536 | * mptscsih_IssueTaskMgmt - Generic send Task Management function. |
| 1537 | * @hd: Pointer to MPT_SCSI_HOST structure |
| 1538 | * @type: Task Management type |
| 1539 | * @target: Logical Target ID for reset (if appropriate) |
| 1540 | * @lun: Logical Unit for reset (if appropriate) |
| 1541 | * @ctx2abort: Context for the task to be aborted (if appropriate) |
| 1542 | * |
| 1543 | * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) |
| 1544 | * or a non-interrupt thread. In the former, must not call schedule(). |
| 1545 | * |
| 1546 | * Not all fields are meaningfull for all task types. |
| 1547 | * |
| 1548 | * Returns 0 for SUCCESS, -999 for "no msg frames", |
| 1549 | * else other non-zero value returned. |
| 1550 | */ |
| 1551 | static int |
| 1552 | mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout) |
| 1553 | { |
| 1554 | MPT_FRAME_HDR *mf; |
| 1555 | SCSITaskMgmt_t *pScsiTm; |
| 1556 | int ii; |
| 1557 | int retval; |
| 1558 | |
| 1559 | /* Return Fail to calling function if no message frames available. |
| 1560 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1561 | if ((mf = mpt_get_msg_frame(hd->ioc->TaskCtx, hd->ioc)) == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1562 | dfailprintk((MYIOC_s_ERR_FMT "IssueTaskMgmt, no msg frames!!\n", |
| 1563 | hd->ioc->name)); |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1564 | return FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1565 | } |
| 1566 | dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt request @ %p\n", |
| 1567 | hd->ioc->name, mf)); |
| 1568 | |
| 1569 | /* Format the Request |
| 1570 | */ |
| 1571 | pScsiTm = (SCSITaskMgmt_t *) mf; |
| 1572 | pScsiTm->TargetID = target; |
| 1573 | pScsiTm->Bus = channel; |
| 1574 | pScsiTm->ChainOffset = 0; |
| 1575 | pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; |
| 1576 | |
| 1577 | pScsiTm->Reserved = 0; |
| 1578 | pScsiTm->TaskType = type; |
| 1579 | pScsiTm->Reserved1 = 0; |
| 1580 | pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) |
| 1581 | ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; |
| 1582 | |
| 1583 | for (ii= 0; ii < 8; ii++) { |
| 1584 | pScsiTm->LUN[ii] = 0; |
| 1585 | } |
| 1586 | pScsiTm->LUN[1] = lun; |
| 1587 | |
| 1588 | for (ii=0; ii < 7; ii++) |
| 1589 | pScsiTm->Reserved2[ii] = 0; |
| 1590 | |
| 1591 | pScsiTm->TaskMsgContext = ctx2abort; |
| 1592 | |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1593 | dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt: ctx2abort (0x%08x) type=%d\n", |
| 1594 | hd->ioc->name, ctx2abort, type)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1595 | |
| 1596 | DBG_DUMP_TM_REQUEST_FRAME((u32 *)pScsiTm); |
| 1597 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1598 | if ((retval = mpt_send_handshake_request(hd->ioc->TaskCtx, hd->ioc, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1599 | sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, |
| 1600 | CAN_SLEEP)) != 0) { |
| 1601 | dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!" |
| 1602 | " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, |
| 1603 | hd->ioc, mf)); |
| 1604 | mpt_free_msg_frame(hd->ioc, mf); |
| 1605 | return retval; |
| 1606 | } |
| 1607 | |
| 1608 | if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) { |
| 1609 | dfailprintk((MYIOC_s_ERR_FMT "_wait_for_completion FAILED!" |
| 1610 | " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, |
| 1611 | hd->ioc, mf)); |
| 1612 | mpt_free_msg_frame(hd->ioc, mf); |
| 1613 | dtmprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n", |
| 1614 | hd->ioc->name)); |
| 1615 | retval = mpt_HardResetHandler(hd->ioc, CAN_SLEEP); |
| 1616 | } |
| 1617 | |
| 1618 | return retval; |
| 1619 | } |
| 1620 | |
Christoph Hellwig | d66c7a0 | 2006-01-17 13:43:14 +0000 | [diff] [blame] | 1621 | static int |
| 1622 | mptscsih_get_tm_timeout(MPT_ADAPTER *ioc) |
| 1623 | { |
| 1624 | switch (ioc->bus_type) { |
| 1625 | case FC: |
| 1626 | return 40; |
| 1627 | case SAS: |
| 1628 | return 10; |
| 1629 | case SPI: |
| 1630 | default: |
| 1631 | return 2; |
| 1632 | } |
| 1633 | } |
| 1634 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1635 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1636 | /** |
| 1637 | * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant |
| 1638 | * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted |
| 1639 | * |
| 1640 | * (linux scsi_host_template.eh_abort_handler routine) |
| 1641 | * |
| 1642 | * Returns SUCCESS or FAILED. |
| 1643 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1644 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1645 | mptscsih_abort(struct scsi_cmnd * SCpnt) |
| 1646 | { |
| 1647 | MPT_SCSI_HOST *hd; |
| 1648 | MPT_ADAPTER *ioc; |
| 1649 | MPT_FRAME_HDR *mf; |
| 1650 | u32 ctx2abort; |
| 1651 | int scpnt_idx; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1652 | int retval; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1653 | VirtDevice *vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | |
| 1655 | /* If we can't locate our host adapter structure, return FAILED status. |
| 1656 | */ |
| 1657 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL) { |
| 1658 | SCpnt->result = DID_RESET << 16; |
| 1659 | SCpnt->scsi_done(SCpnt); |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1660 | dfailprintk((KERN_INFO MYNAM ": mptscsih_abort: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1661 | "Can't locate host! (sc=%p)\n", |
| 1662 | SCpnt)); |
| 1663 | return FAILED; |
| 1664 | } |
| 1665 | |
| 1666 | ioc = hd->ioc; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1667 | if (hd->resetPending) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | return FAILED; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1669 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1670 | |
| 1671 | if (hd->timeouts < -1) |
| 1672 | hd->timeouts++; |
| 1673 | |
| 1674 | /* Find this command |
| 1675 | */ |
| 1676 | if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) { |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1677 | /* Cmd not found in ScsiLookup. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1678 | * Do OS callback. |
| 1679 | */ |
| 1680 | SCpnt->result = DID_RESET << 16; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1681 | dtmprintk((KERN_INFO MYNAM ": %s: mptscsih_abort: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1682 | "Command not in the active list! (sc=%p)\n", |
| 1683 | hd->ioc->name, SCpnt)); |
| 1684 | return SUCCESS; |
| 1685 | } |
| 1686 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1687 | printk(KERN_WARNING MYNAM ": %s: attempting task abort! (sc=%p)\n", |
| 1688 | hd->ioc->name, SCpnt); |
| 1689 | scsi_print_command(SCpnt); |
| 1690 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1691 | /* Most important! Set TaskMsgContext to SCpnt's MsgContext! |
| 1692 | * (the IO to be ABORT'd) |
| 1693 | * |
| 1694 | * NOTE: Since we do not byteswap MsgContext, we do not |
| 1695 | * swap it here either. It is an opaque cookie to |
| 1696 | * the controller, so it does not matter. -DaveM |
| 1697 | */ |
| 1698 | mf = MPT_INDEX_2_MFPTR(hd->ioc, scpnt_idx); |
| 1699 | ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; |
| 1700 | |
| 1701 | hd->abortSCpnt = SCpnt; |
| 1702 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1703 | vdev = SCpnt->device->hostdata; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1704 | retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 1705 | vdev->vtarget->bus_id, vdev->vtarget->target_id, vdev->lun, |
Christoph Hellwig | d66c7a0 | 2006-01-17 13:43:14 +0000 | [diff] [blame] | 1706 | ctx2abort, mptscsih_get_tm_timeout(ioc)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1707 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1708 | printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n", |
| 1709 | hd->ioc->name, |
| 1710 | ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1711 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1712 | if (retval == 0) |
| 1713 | return SUCCESS; |
| 1714 | |
| 1715 | if(retval != FAILED ) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1716 | hd->tmPending = 0; |
| 1717 | hd->tmState = TM_STATE_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1718 | } |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1719 | return FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1720 | } |
| 1721 | |
| 1722 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1723 | /** |
| 1724 | * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant |
| 1725 | * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to |
| 1726 | * |
| 1727 | * (linux scsi_host_template.eh_dev_reset_handler routine) |
| 1728 | * |
| 1729 | * Returns SUCCESS or FAILED. |
| 1730 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1731 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1732 | mptscsih_dev_reset(struct scsi_cmnd * SCpnt) |
| 1733 | { |
| 1734 | MPT_SCSI_HOST *hd; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1735 | int retval; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1736 | VirtDevice *vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1737 | |
| 1738 | /* If we can't locate our host adapter structure, return FAILED status. |
| 1739 | */ |
| 1740 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1741 | dtmprintk((KERN_INFO MYNAM ": mptscsih_dev_reset: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1742 | "Can't locate host! (sc=%p)\n", |
| 1743 | SCpnt)); |
| 1744 | return FAILED; |
| 1745 | } |
| 1746 | |
| 1747 | if (hd->resetPending) |
| 1748 | return FAILED; |
| 1749 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1750 | printk(KERN_WARNING MYNAM ": %s: attempting target reset! (sc=%p)\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1751 | hd->ioc->name, SCpnt); |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1752 | scsi_print_command(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1753 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1754 | vdev = SCpnt->device->hostdata; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1755 | retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 1756 | vdev->vtarget->bus_id, vdev->vtarget->target_id, |
Christoph Hellwig | d66c7a0 | 2006-01-17 13:43:14 +0000 | [diff] [blame] | 1757 | 0, 0, mptscsih_get_tm_timeout(hd->ioc)); |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1758 | |
| 1759 | printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n", |
| 1760 | hd->ioc->name, |
| 1761 | ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); |
| 1762 | |
| 1763 | if (retval == 0) |
| 1764 | return SUCCESS; |
| 1765 | |
| 1766 | if(retval != FAILED ) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | hd->tmPending = 0; |
| 1768 | hd->tmState = TM_STATE_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1769 | } |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1770 | return FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1771 | } |
| 1772 | |
| 1773 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1774 | /** |
| 1775 | * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant |
| 1776 | * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to |
| 1777 | * |
| 1778 | * (linux scsi_host_template.eh_bus_reset_handler routine) |
| 1779 | * |
| 1780 | * Returns SUCCESS or FAILED. |
| 1781 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1782 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1783 | mptscsih_bus_reset(struct scsi_cmnd * SCpnt) |
| 1784 | { |
| 1785 | MPT_SCSI_HOST *hd; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1786 | int retval; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1787 | VirtDevice *vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1788 | |
| 1789 | /* If we can't locate our host adapter structure, return FAILED status. |
| 1790 | */ |
| 1791 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1792 | dtmprintk((KERN_INFO MYNAM ": mptscsih_bus_reset: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1793 | "Can't locate host! (sc=%p)\n", |
| 1794 | SCpnt ) ); |
| 1795 | return FAILED; |
| 1796 | } |
| 1797 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1798 | printk(KERN_WARNING MYNAM ": %s: attempting bus reset! (sc=%p)\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1799 | hd->ioc->name, SCpnt); |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1800 | scsi_print_command(SCpnt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1801 | |
| 1802 | if (hd->timeouts < -1) |
| 1803 | hd->timeouts++; |
| 1804 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 1805 | vdev = SCpnt->device->hostdata; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1806 | retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 1807 | vdev->vtarget->bus_id, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1808 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1809 | printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n", |
| 1810 | hd->ioc->name, |
| 1811 | ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); |
| 1812 | |
| 1813 | if (retval == 0) |
| 1814 | return SUCCESS; |
| 1815 | |
| 1816 | if(retval != FAILED ) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1817 | hd->tmPending = 0; |
| 1818 | hd->tmState = TM_STATE_NONE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1819 | } |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 1820 | return FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1821 | } |
| 1822 | |
| 1823 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1824 | /** |
| 1825 | * mptscsih_host_reset - Perform a SCSI host adapter RESET! |
| 1826 | * new_eh variant |
| 1827 | * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to |
| 1828 | * |
| 1829 | * (linux scsi_host_template.eh_host_reset_handler routine) |
| 1830 | * |
| 1831 | * Returns SUCCESS or FAILED. |
| 1832 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1833 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1834 | mptscsih_host_reset(struct scsi_cmnd *SCpnt) |
| 1835 | { |
| 1836 | MPT_SCSI_HOST * hd; |
| 1837 | int status = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1838 | |
| 1839 | /* If we can't locate the host to reset, then we failed. */ |
| 1840 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1841 | dtmprintk( ( KERN_INFO MYNAM ": mptscsih_host_reset: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1842 | "Can't locate host! (sc=%p)\n", |
| 1843 | SCpnt ) ); |
| 1844 | return FAILED; |
| 1845 | } |
| 1846 | |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1847 | printk(KERN_WARNING MYNAM ": %s: Attempting host reset! (sc=%p)\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1848 | hd->ioc->name, SCpnt); |
| 1849 | |
| 1850 | /* If our attempts to reset the host failed, then return a failed |
| 1851 | * status. The host will be taken off line by the SCSI mid-layer. |
| 1852 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1853 | if (mpt_HardResetHandler(hd->ioc, CAN_SLEEP) < 0){ |
| 1854 | status = FAILED; |
| 1855 | } else { |
| 1856 | /* Make sure TM pending is cleared and TM state is set to |
| 1857 | * NONE. |
| 1858 | */ |
| 1859 | hd->tmPending = 0; |
| 1860 | hd->tmState = TM_STATE_NONE; |
| 1861 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1862 | |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1863 | dtmprintk( ( KERN_INFO MYNAM ": mptscsih_host_reset: " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1864 | "Status = %s\n", |
| 1865 | (status == SUCCESS) ? "SUCCESS" : "FAILED" ) ); |
| 1866 | |
| 1867 | return status; |
| 1868 | } |
| 1869 | |
| 1870 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1871 | /** |
| 1872 | * mptscsih_tm_pending_wait - wait for pending task management request to |
| 1873 | * complete. |
| 1874 | * @hd: Pointer to MPT host structure. |
| 1875 | * |
| 1876 | * Returns {SUCCESS,FAILED}. |
| 1877 | */ |
| 1878 | static int |
| 1879 | mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd) |
| 1880 | { |
| 1881 | unsigned long flags; |
| 1882 | int loop_count = 4 * 10; /* Wait 10 seconds */ |
| 1883 | int status = FAILED; |
| 1884 | |
| 1885 | do { |
| 1886 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| 1887 | if (hd->tmState == TM_STATE_NONE) { |
| 1888 | hd->tmState = TM_STATE_IN_PROGRESS; |
| 1889 | hd->tmPending = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1890 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1891 | status = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1892 | break; |
| 1893 | } |
| 1894 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| 1895 | msleep(250); |
| 1896 | } while (--loop_count); |
| 1897 | |
| 1898 | return status; |
| 1899 | } |
| 1900 | |
| 1901 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 1902 | /** |
| 1903 | * mptscsih_tm_wait_for_completion - wait for completion of TM task |
| 1904 | * @hd: Pointer to MPT host structure. |
| 1905 | * |
| 1906 | * Returns {SUCCESS,FAILED}. |
| 1907 | */ |
| 1908 | static int |
| 1909 | mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ) |
| 1910 | { |
| 1911 | unsigned long flags; |
| 1912 | int loop_count = 4 * timeout; |
| 1913 | int status = FAILED; |
| 1914 | |
| 1915 | do { |
| 1916 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); |
| 1917 | if(hd->tmPending == 0) { |
| 1918 | status = SUCCESS; |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 1919 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1920 | break; |
| 1921 | } |
| 1922 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); |
| 1923 | msleep_interruptible(250); |
| 1924 | } while (--loop_count); |
| 1925 | |
| 1926 | return status; |
| 1927 | } |
| 1928 | |
| 1929 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Moore, Eric | 9f63bb7 | 2006-01-16 18:53:26 -0700 | [diff] [blame] | 1930 | static void |
| 1931 | mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code) |
| 1932 | { |
| 1933 | char *desc; |
| 1934 | |
| 1935 | switch (response_code) { |
| 1936 | case MPI_SCSITASKMGMT_RSP_TM_COMPLETE: |
| 1937 | desc = "The task completed."; |
| 1938 | break; |
| 1939 | case MPI_SCSITASKMGMT_RSP_INVALID_FRAME: |
| 1940 | desc = "The IOC received an invalid frame status."; |
| 1941 | break; |
| 1942 | case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED: |
| 1943 | desc = "The task type is not supported."; |
| 1944 | break; |
| 1945 | case MPI_SCSITASKMGMT_RSP_TM_FAILED: |
| 1946 | desc = "The requested task failed."; |
| 1947 | break; |
| 1948 | case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED: |
| 1949 | desc = "The task completed successfully."; |
| 1950 | break; |
| 1951 | case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN: |
| 1952 | desc = "The LUN request is invalid."; |
| 1953 | break; |
| 1954 | case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC: |
| 1955 | desc = "The task is in the IOC queue and has not been sent to target."; |
| 1956 | break; |
| 1957 | default: |
| 1958 | desc = "unknown"; |
| 1959 | break; |
| 1960 | } |
| 1961 | printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n", |
| 1962 | ioc->name, response_code, desc); |
| 1963 | } |
| 1964 | |
| 1965 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1966 | /** |
| 1967 | * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver |
| 1968 | * @ioc: Pointer to MPT_ADAPTER structure |
| 1969 | * @mf: Pointer to SCSI task mgmt request frame |
| 1970 | * @mr: Pointer to SCSI task mgmt reply frame |
| 1971 | * |
| 1972 | * This routine is called from mptbase.c::mpt_interrupt() at the completion |
| 1973 | * of any SCSI task management request. |
| 1974 | * This routine is registered with the MPT (base) driver at driver |
| 1975 | * load/init time via the mpt_register() API call. |
| 1976 | * |
| 1977 | * Returns 1 indicating alloc'd request frame ptr should be freed. |
| 1978 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 1979 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1980 | mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
| 1981 | { |
| 1982 | SCSITaskMgmtReply_t *pScsiTmReply; |
| 1983 | SCSITaskMgmt_t *pScsiTmReq; |
| 1984 | MPT_SCSI_HOST *hd; |
| 1985 | unsigned long flags; |
| 1986 | u16 iocstatus; |
| 1987 | u8 tmType; |
| 1988 | |
| 1989 | dtmprintk((MYIOC_s_WARN_FMT "TaskMgmt completed (mf=%p,mr=%p)\n", |
| 1990 | ioc->name, mf, mr)); |
| 1991 | if (ioc->sh) { |
| 1992 | /* Depending on the thread, a timer is activated for |
| 1993 | * the TM request. Delete this timer on completion of TM. |
| 1994 | * Decrement count of outstanding TM requests. |
| 1995 | */ |
| 1996 | hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; |
| 1997 | } else { |
| 1998 | dtmprintk((MYIOC_s_WARN_FMT "TaskMgmt Complete: NULL Scsi Host Ptr\n", |
| 1999 | ioc->name)); |
| 2000 | return 1; |
| 2001 | } |
| 2002 | |
| 2003 | if (mr == NULL) { |
| 2004 | dtmprintk((MYIOC_s_WARN_FMT "ERROR! TaskMgmt Reply: NULL Request %p\n", |
| 2005 | ioc->name, mf)); |
| 2006 | return 1; |
| 2007 | } else { |
| 2008 | pScsiTmReply = (SCSITaskMgmtReply_t*)mr; |
| 2009 | pScsiTmReq = (SCSITaskMgmt_t*)mf; |
| 2010 | |
| 2011 | /* Figure out if this was ABORT_TASK, TARGET_RESET, or BUS_RESET! */ |
| 2012 | tmType = pScsiTmReq->TaskType; |
| 2013 | |
Moore, Eric | 9f63bb7 | 2006-01-16 18:53:26 -0700 | [diff] [blame] | 2014 | if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 && |
| 2015 | pScsiTmReply->ResponseCode) |
| 2016 | mptscsih_taskmgmt_response_code(ioc, |
| 2017 | pScsiTmReply->ResponseCode); |
| 2018 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2019 | dtmprintk((MYIOC_s_WARN_FMT " TaskType = %d, TerminationCount=%d\n", |
| 2020 | ioc->name, tmType, le32_to_cpu(pScsiTmReply->TerminationCount))); |
| 2021 | DBG_DUMP_TM_REPLY_FRAME((u32 *)pScsiTmReply); |
| 2022 | |
| 2023 | iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
| 2024 | dtmprintk((MYIOC_s_WARN_FMT " SCSI TaskMgmt (%d) IOCStatus=%04x IOCLogInfo=%08x\n", |
| 2025 | ioc->name, tmType, iocstatus, le32_to_cpu(pScsiTmReply->IOCLogInfo))); |
| 2026 | /* Error? (anything non-zero?) */ |
| 2027 | if (iocstatus) { |
| 2028 | |
| 2029 | /* clear flags and continue. |
| 2030 | */ |
| 2031 | if (tmType == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) |
| 2032 | hd->abortSCpnt = NULL; |
| 2033 | |
| 2034 | /* If an internal command is present |
| 2035 | * or the TM failed - reload the FW. |
| 2036 | * FC FW may respond FAILED to an ABORT |
| 2037 | */ |
| 2038 | if (tmType == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) { |
| 2039 | if ((hd->cmdPtr) || |
| 2040 | (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED)) { |
| 2041 | if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) { |
| 2042 | printk((KERN_WARNING |
| 2043 | " Firmware Reload FAILED!!\n")); |
| 2044 | } |
| 2045 | } |
| 2046 | } |
| 2047 | } else { |
| 2048 | dtmprintk((MYIOC_s_WARN_FMT " TaskMgmt SUCCESS\n", ioc->name)); |
| 2049 | |
| 2050 | hd->abortSCpnt = NULL; |
| 2051 | |
| 2052 | } |
| 2053 | } |
| 2054 | |
| 2055 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
| 2056 | hd->tmPending = 0; |
| 2057 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| 2058 | hd->tmState = TM_STATE_NONE; |
| 2059 | |
| 2060 | return 1; |
| 2061 | } |
| 2062 | |
| 2063 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2064 | /* |
| 2065 | * This is anyones guess quite frankly. |
| 2066 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2067 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2068 | mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, |
| 2069 | sector_t capacity, int geom[]) |
| 2070 | { |
| 2071 | int heads; |
| 2072 | int sectors; |
| 2073 | sector_t cylinders; |
| 2074 | ulong dummy; |
| 2075 | |
| 2076 | heads = 64; |
| 2077 | sectors = 32; |
| 2078 | |
| 2079 | dummy = heads * sectors; |
| 2080 | cylinders = capacity; |
| 2081 | sector_div(cylinders,dummy); |
| 2082 | |
| 2083 | /* |
| 2084 | * Handle extended translation size for logical drives |
| 2085 | * > 1Gb |
| 2086 | */ |
| 2087 | if ((ulong)capacity >= 0x200000) { |
| 2088 | heads = 255; |
| 2089 | sectors = 63; |
| 2090 | dummy = heads * sectors; |
| 2091 | cylinders = capacity; |
| 2092 | sector_div(cylinders,dummy); |
| 2093 | } |
| 2094 | |
| 2095 | /* return result */ |
| 2096 | geom[0] = heads; |
| 2097 | geom[1] = sectors; |
| 2098 | geom[2] = cylinders; |
| 2099 | |
| 2100 | dprintk((KERN_NOTICE |
| 2101 | ": bios_param: Id=%i Lun=%i Channel=%i CHS=%i/%i/%i\n", |
| 2102 | sdev->id, sdev->lun,sdev->channel,(int)cylinders,heads,sectors)); |
| 2103 | |
| 2104 | return 0; |
| 2105 | } |
| 2106 | |
Moore, Eric | f44e546 | 2006-03-14 09:14:21 -0700 | [diff] [blame] | 2107 | /* Search IOC page 3 to determine if this is hidden physical disk |
| 2108 | * |
| 2109 | */ |
| 2110 | int |
| 2111 | mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id) |
| 2112 | { |
| 2113 | int i; |
| 2114 | |
| 2115 | if (!ioc->raid_data.isRaid || !ioc->raid_data.pIocPg3) |
| 2116 | return 0; |
| 2117 | for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) { |
| 2118 | if (id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) |
| 2119 | return 1; |
| 2120 | } |
| 2121 | return 0; |
| 2122 | } |
| 2123 | EXPORT_SYMBOL(mptscsih_is_phys_disk); |
| 2124 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2125 | int |
| 2126 | mptscsih_raid_id_to_num(MPT_SCSI_HOST *hd, uint physdiskid) |
| 2127 | { |
| 2128 | int i; |
| 2129 | |
| 2130 | if (!hd->ioc->raid_data.isRaid || !hd->ioc->raid_data.pIocPg3) |
| 2131 | return -ENXIO; |
| 2132 | |
| 2133 | for (i = 0; i < hd->ioc->raid_data.pIocPg3->NumPhysDisks; i++) { |
| 2134 | if (physdiskid == |
| 2135 | hd->ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) |
| 2136 | return hd->ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum; |
| 2137 | } |
| 2138 | |
| 2139 | return -ENXIO; |
| 2140 | } |
| 2141 | EXPORT_SYMBOL(mptscsih_raid_id_to_num); |
| 2142 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2143 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2144 | /* |
| 2145 | * OS entry point to allow host driver to alloc memory |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2146 | * for each scsi target. Called once per device the bus scan. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2147 | * Return non-zero if allocation fails. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2148 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2149 | int |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2150 | mptscsih_target_alloc(struct scsi_target *starget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2151 | { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2152 | VirtTarget *vtarget; |
| 2153 | |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2154 | vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL); |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2155 | if (!vtarget) |
| 2156 | return -ENOMEM; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2157 | starget->hostdata = vtarget; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2158 | vtarget->starget = starget; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2159 | return 0; |
| 2160 | } |
| 2161 | |
| 2162 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2163 | /* |
| 2164 | * OS entry point to allow host driver to alloc memory |
| 2165 | * for each scsi device. Called once per device the bus scan. |
| 2166 | * Return non-zero if allocation fails. |
| 2167 | */ |
| 2168 | int |
| 2169 | mptscsih_slave_alloc(struct scsi_device *sdev) |
| 2170 | { |
| 2171 | struct Scsi_Host *host = sdev->host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2172 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2173 | VirtTarget *vtarget; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2174 | VirtDevice *vdev; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2175 | struct scsi_target *starget; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2176 | |
Christoph Hellwig | 1ca00bb | 2006-01-13 18:27:50 +0100 | [diff] [blame] | 2177 | vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2178 | if (!vdev) { |
| 2179 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", |
| 2180 | hd->ioc->name, sizeof(VirtDevice)); |
| 2181 | return -ENOMEM; |
| 2182 | } |
| 2183 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2184 | vdev->lun = sdev->lun; |
| 2185 | sdev->hostdata = vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2186 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2187 | starget = scsi_target(sdev); |
| 2188 | vtarget = starget->hostdata; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2189 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2190 | vdev->vtarget = vtarget; |
| 2191 | |
| 2192 | if (vtarget->num_luns == 0) { |
| 2193 | hd->Targets[sdev->id] = vtarget; |
| 2194 | vtarget->ioc_id = hd->ioc->id; |
| 2195 | vtarget->tflags = MPT_TARGET_FLAGS_Q_YES; |
| 2196 | vtarget->target_id = sdev->id; |
| 2197 | vtarget->bus_id = sdev->channel; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2198 | if (hd->ioc->bus_type == SPI && sdev->channel == 0 && |
| 2199 | hd->ioc->raid_data.isRaid & (1 << sdev->id)) { |
| 2200 | vtarget->raidVolume = 1; |
| 2201 | ddvtprintk((KERN_INFO |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2202 | "RAID Volume @ id %d\n", sdev->id)); |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2203 | } |
| 2204 | } |
| 2205 | vtarget->num_luns++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2206 | return 0; |
| 2207 | } |
| 2208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2209 | /* |
| 2210 | * OS entry point to allow for host driver to free allocated memory |
| 2211 | * Called if no device present or device being unloaded |
| 2212 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2213 | void |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2214 | mptscsih_target_destroy(struct scsi_target *starget) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2215 | { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2216 | if (starget->hostdata) |
| 2217 | kfree(starget->hostdata); |
| 2218 | starget->hostdata = NULL; |
| 2219 | } |
| 2220 | |
| 2221 | /* |
| 2222 | * OS entry point to allow for host driver to free allocated memory |
| 2223 | * Called if no device present or device being unloaded |
| 2224 | */ |
| 2225 | void |
| 2226 | mptscsih_slave_destroy(struct scsi_device *sdev) |
| 2227 | { |
| 2228 | struct Scsi_Host *host = sdev->host; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2229 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2230 | VirtTarget *vtarget; |
| 2231 | VirtDevice *vdevice; |
| 2232 | struct scsi_target *starget; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2233 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2234 | starget = scsi_target(sdev); |
| 2235 | vtarget = starget->hostdata; |
| 2236 | vdevice = sdev->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2237 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2238 | mptscsih_search_running_cmds(hd, vdevice); |
| 2239 | vtarget->luns[0] &= ~(1 << vdevice->lun); |
| 2240 | vtarget->num_luns--; |
| 2241 | if (vtarget->num_luns == 0) { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2242 | hd->Targets[sdev->id] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2243 | } |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2244 | mptscsih_synchronize_cache(hd, vdevice); |
| 2245 | kfree(vdevice); |
| 2246 | sdev->hostdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2247 | } |
| 2248 | |
Moore, Eric Dean | 6e3815b | 2005-06-24 12:18:57 -0600 | [diff] [blame] | 2249 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2250 | /* |
| 2251 | * mptscsih_change_queue_depth - This function will set a devices queue depth |
| 2252 | * @sdev: per scsi_device pointer |
| 2253 | * @qdepth: requested queue depth |
| 2254 | * |
| 2255 | * Adding support for new 'change_queue_depth' api. |
| 2256 | */ |
| 2257 | int |
| 2258 | mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2259 | { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2260 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sdev->host->hostdata; |
| 2261 | VirtTarget *vtarget; |
| 2262 | struct scsi_target *starget; |
| 2263 | int max_depth; |
| 2264 | int tagged; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2265 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2266 | starget = scsi_target(sdev); |
| 2267 | vtarget = starget->hostdata; |
Moore, Eric Dean | 6e3815b | 2005-06-24 12:18:57 -0600 | [diff] [blame] | 2268 | |
Moore, Eric Dean | a9b2937 | 2005-11-16 18:54:20 -0700 | [diff] [blame] | 2269 | if (hd->ioc->bus_type == SPI) { |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2270 | if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2271 | max_depth = 1; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2272 | else if (sdev->type == TYPE_DISK && |
| 2273 | vtarget->minSyncFactor <= MPT_ULTRA160) |
| 2274 | max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; |
| 2275 | else |
| 2276 | max_depth = MPT_SCSI_CMD_PER_DEV_LOW; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2277 | } else |
| 2278 | max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; |
| 2279 | |
| 2280 | if (qdepth > max_depth) |
| 2281 | qdepth = max_depth; |
| 2282 | if (qdepth == 1) |
| 2283 | tagged = 0; |
| 2284 | else |
| 2285 | tagged = MSG_SIMPLE_TAG; |
| 2286 | |
Moore, Eric Dean | 6e3815b | 2005-06-24 12:18:57 -0600 | [diff] [blame] | 2287 | scsi_adjust_queue_depth(sdev, tagged, qdepth); |
| 2288 | return sdev->queue_depth; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2289 | } |
| 2290 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2291 | /* |
| 2292 | * OS entry point to adjust the queue_depths on a per-device basis. |
| 2293 | * Called once per device the bus scan. Use it to force the queue_depth |
| 2294 | * member to 1 if a device does not support Q tags. |
| 2295 | * Return non-zero if fails. |
| 2296 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2297 | int |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2298 | mptscsih_slave_configure(struct scsi_device *sdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2299 | { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2300 | struct Scsi_Host *sh = sdev->host; |
| 2301 | VirtTarget *vtarget; |
| 2302 | VirtDevice *vdevice; |
| 2303 | struct scsi_target *starget; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2304 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sh->hostdata; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2305 | int indexed_lun, lun_index; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2306 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2307 | starget = scsi_target(sdev); |
| 2308 | vtarget = starget->hostdata; |
| 2309 | vdevice = sdev->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2310 | |
| 2311 | dsprintk((MYIOC_s_INFO_FMT |
| 2312 | "device @ %p, id=%d, LUN=%d, channel=%d\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2313 | hd->ioc->name, sdev, sdev->id, sdev->lun, sdev->channel)); |
| 2314 | if (hd->ioc->bus_type == SPI) |
| 2315 | dsprintk((MYIOC_s_INFO_FMT |
| 2316 | "sdtr %d wdtr %d ppr %d inq length=%d\n", |
| 2317 | hd->ioc->name, sdev->sdtr, sdev->wdtr, |
| 2318 | sdev->ppr, sdev->inquiry_len)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2319 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2320 | if (sdev->id > sh->max_id) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2321 | /* error case, should never happen */ |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2322 | scsi_adjust_queue_depth(sdev, 0, 1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2323 | goto slave_configure_exit; |
| 2324 | } |
| 2325 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2326 | vdevice->configured_lun=1; |
| 2327 | lun_index = (vdevice->lun >> 5); /* 32 luns per lun_index */ |
| 2328 | indexed_lun = (vdevice->lun % 32); |
| 2329 | vtarget->luns[lun_index] |= (1 << indexed_lun); |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2330 | mptscsih_initTarget(hd, vtarget, sdev); |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2331 | mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2332 | |
| 2333 | dsprintk((MYIOC_s_INFO_FMT |
| 2334 | "Queue depth=%d, tflags=%x\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2335 | hd->ioc->name, sdev->queue_depth, vtarget->tflags)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2336 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2337 | if (hd->ioc->bus_type == SPI) |
| 2338 | dsprintk((MYIOC_s_INFO_FMT |
| 2339 | "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", |
| 2340 | hd->ioc->name, vtarget->negoFlags, vtarget->maxOffset, |
| 2341 | vtarget->minSyncFactor)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | |
| 2343 | slave_configure_exit: |
| 2344 | |
| 2345 | dsprintk((MYIOC_s_INFO_FMT |
| 2346 | "tagged %d, simple %d, ordered %d\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2347 | hd->ioc->name,sdev->tagged_supported, sdev->simple_tags, |
| 2348 | sdev->ordered_tags)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2349 | |
| 2350 | return 0; |
| 2351 | } |
| 2352 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2353 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2354 | /* |
| 2355 | * Private routines... |
| 2356 | */ |
| 2357 | |
| 2358 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2359 | /* Utility function to copy sense data from the scsi_cmnd buffer |
| 2360 | * to the FC and SCSI target structures. |
| 2361 | * |
| 2362 | */ |
| 2363 | static void |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2364 | mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2365 | { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2366 | VirtDevice *vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2367 | SCSIIORequest_t *pReq; |
| 2368 | u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2369 | |
| 2370 | /* Get target structure |
| 2371 | */ |
| 2372 | pReq = (SCSIIORequest_t *) mf; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2373 | vdev = sc->device->hostdata; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2374 | |
| 2375 | if (sense_count) { |
| 2376 | u8 *sense_data; |
| 2377 | int req_index; |
| 2378 | |
| 2379 | /* Copy the sense received into the scsi command block. */ |
| 2380 | req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 2381 | sense_data = ((u8 *)hd->ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); |
| 2382 | memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); |
| 2383 | |
| 2384 | /* Log SMART data (asc = 0x5D, non-IM case only) if required. |
| 2385 | */ |
| 2386 | if ((hd->ioc->events) && (hd->ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2387 | if ((sense_data[12] == 0x5D) && (vdev->vtarget->raidVolume == 0)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2388 | int idx; |
| 2389 | MPT_ADAPTER *ioc = hd->ioc; |
| 2390 | |
Moore, Eric | 5b5ef4f | 2006-02-02 17:19:40 -0700 | [diff] [blame] | 2391 | idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2392 | ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; |
| 2393 | ioc->events[idx].eventContext = ioc->eventContext; |
| 2394 | |
| 2395 | ioc->events[idx].data[0] = (pReq->LUN[1] << 24) || |
| 2396 | (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) || |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2397 | (sc->device->channel << 8) || sc->device->id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2398 | |
| 2399 | ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12]; |
| 2400 | |
| 2401 | ioc->eventContext++; |
| 2402 | } |
| 2403 | } |
| 2404 | } else { |
| 2405 | dprintk((MYIOC_s_INFO_FMT "Hmmm... SenseData len=0! (?)\n", |
| 2406 | hd->ioc->name)); |
| 2407 | } |
| 2408 | } |
| 2409 | |
| 2410 | static u32 |
| 2411 | SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc) |
| 2412 | { |
| 2413 | MPT_SCSI_HOST *hd; |
| 2414 | int i; |
| 2415 | |
| 2416 | hd = (MPT_SCSI_HOST *) sc->device->host->hostdata; |
| 2417 | |
| 2418 | for (i = 0; i < hd->ioc->req_depth; i++) { |
| 2419 | if (hd->ScsiLookup[i] == sc) { |
| 2420 | return i; |
| 2421 | } |
| 2422 | } |
| 2423 | |
| 2424 | return -1; |
| 2425 | } |
| 2426 | |
| 2427 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2428 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2429 | mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
| 2430 | { |
| 2431 | MPT_SCSI_HOST *hd; |
| 2432 | unsigned long flags; |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2433 | int ii; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2434 | |
| 2435 | dtmprintk((KERN_WARNING MYNAM |
| 2436 | ": IOC %s_reset routed to SCSI host driver!\n", |
| 2437 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( |
| 2438 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); |
| 2439 | |
| 2440 | /* If a FW reload request arrives after base installed but |
| 2441 | * before all scsi hosts have been attached, then an alt_ioc |
| 2442 | * may have a NULL sh pointer. |
| 2443 | */ |
| 2444 | if ((ioc->sh == NULL) || (ioc->sh->hostdata == NULL)) |
| 2445 | return 0; |
| 2446 | else |
| 2447 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
| 2448 | |
| 2449 | if (reset_phase == MPT_IOC_SETUP_RESET) { |
| 2450 | dtmprintk((MYIOC_s_WARN_FMT "Setup-Diag Reset\n", ioc->name)); |
| 2451 | |
| 2452 | /* Clean Up: |
| 2453 | * 1. Set Hard Reset Pending Flag |
| 2454 | * All new commands go to doneQ |
| 2455 | */ |
| 2456 | hd->resetPending = 1; |
| 2457 | |
| 2458 | } else if (reset_phase == MPT_IOC_PRE_RESET) { |
| 2459 | dtmprintk((MYIOC_s_WARN_FMT "Pre-Diag Reset\n", ioc->name)); |
| 2460 | |
| 2461 | /* 2. Flush running commands |
| 2462 | * Clean ScsiLookup (and associated memory) |
| 2463 | * AND clean mytaskQ |
| 2464 | */ |
| 2465 | |
| 2466 | /* 2b. Reply to OS all known outstanding I/O commands. |
| 2467 | */ |
| 2468 | mptscsih_flush_running_cmds(hd); |
| 2469 | |
| 2470 | /* 2c. If there was an internal command that |
| 2471 | * has not completed, configuration or io request, |
| 2472 | * free these resources. |
| 2473 | */ |
| 2474 | if (hd->cmdPtr) { |
| 2475 | del_timer(&hd->timer); |
| 2476 | mpt_free_msg_frame(ioc, hd->cmdPtr); |
| 2477 | } |
| 2478 | |
| 2479 | dtmprintk((MYIOC_s_WARN_FMT "Pre-Reset complete.\n", ioc->name)); |
| 2480 | |
| 2481 | } else { |
| 2482 | dtmprintk((MYIOC_s_WARN_FMT "Post-Diag Reset\n", ioc->name)); |
| 2483 | |
| 2484 | /* Once a FW reload begins, all new OS commands are |
| 2485 | * redirected to the doneQ w/ a reset status. |
| 2486 | * Init all control structures. |
| 2487 | */ |
| 2488 | |
| 2489 | /* ScsiLookup initialization |
| 2490 | */ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2491 | for (ii=0; ii < hd->ioc->req_depth; ii++) |
| 2492 | hd->ScsiLookup[ii] = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2493 | |
| 2494 | /* 2. Chain Buffer initialization |
| 2495 | */ |
| 2496 | |
Moore, Eric Dean | a9b2937 | 2005-11-16 18:54:20 -0700 | [diff] [blame] | 2497 | /* 4. Renegotiate to all devices, if SPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2498 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2499 | |
| 2500 | /* 5. Enable new commands to be posted |
| 2501 | */ |
| 2502 | spin_lock_irqsave(&ioc->FreeQlock, flags); |
| 2503 | hd->tmPending = 0; |
| 2504 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); |
| 2505 | hd->resetPending = 0; |
| 2506 | hd->tmState = TM_STATE_NONE; |
| 2507 | |
| 2508 | /* 6. If there was an internal command, |
| 2509 | * wake this process up. |
| 2510 | */ |
| 2511 | if (hd->cmdPtr) { |
| 2512 | /* |
| 2513 | * Wake up the original calling thread |
| 2514 | */ |
| 2515 | hd->pLocal = &hd->localReply; |
| 2516 | hd->pLocal->completion = MPT_SCANDV_DID_RESET; |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2517 | hd->scandv_wait_done = 1; |
| 2518 | wake_up(&hd->scandv_waitq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2519 | hd->cmdPtr = NULL; |
| 2520 | } |
| 2521 | |
Michael Reed | 05e8ec1 | 2006-01-13 14:31:54 -0600 | [diff] [blame] | 2522 | /* 7. FC: Rescan for blocked rports which might have returned. |
| 2523 | */ |
| 2524 | else if (ioc->bus_type == FC) { |
| 2525 | int work_count; |
| 2526 | unsigned long flags; |
| 2527 | |
| 2528 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
| 2529 | work_count = ++ioc->fc_rescan_work_count; |
| 2530 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); |
| 2531 | if (work_count == 1) |
| 2532 | schedule_work(&ioc->fc_rescan_work); |
| 2533 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2534 | dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name)); |
| 2535 | |
| 2536 | } |
| 2537 | |
| 2538 | return 1; /* currently means nothing really */ |
| 2539 | } |
| 2540 | |
| 2541 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2542 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2543 | mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
| 2544 | { |
| 2545 | MPT_SCSI_HOST *hd; |
| 2546 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; |
Michael Reed | 05e8ec1 | 2006-01-13 14:31:54 -0600 | [diff] [blame] | 2547 | int work_count; |
| 2548 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2549 | |
Moore, Eric | 3a892be | 2006-03-14 09:14:03 -0700 | [diff] [blame] | 2550 | devtverboseprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2551 | ioc->name, event)); |
| 2552 | |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2553 | if (ioc->sh == NULL || |
| 2554 | ((hd = (MPT_SCSI_HOST *)ioc->sh->hostdata) == NULL)) |
| 2555 | return 1; |
| 2556 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2557 | switch (event) { |
| 2558 | case MPI_EVENT_UNIT_ATTENTION: /* 03 */ |
| 2559 | /* FIXME! */ |
| 2560 | break; |
| 2561 | case MPI_EVENT_IOC_BUS_RESET: /* 04 */ |
| 2562 | case MPI_EVENT_EXT_BUS_RESET: /* 05 */ |
Moore, Eric Dean | a9b2937 | 2005-11-16 18:54:20 -0700 | [diff] [blame] | 2563 | if (hd && (ioc->bus_type == SPI) && (hd->soft_resets < -1)) |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2564 | hd->soft_resets++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2565 | break; |
| 2566 | case MPI_EVENT_LOGOUT: /* 09 */ |
| 2567 | /* FIXME! */ |
| 2568 | break; |
| 2569 | |
Michael Reed | 05e8ec1 | 2006-01-13 14:31:54 -0600 | [diff] [blame] | 2570 | case MPI_EVENT_RESCAN: /* 06 */ |
| 2571 | spin_lock_irqsave(&ioc->fc_rescan_work_lock, flags); |
| 2572 | work_count = ++ioc->fc_rescan_work_count; |
| 2573 | spin_unlock_irqrestore(&ioc->fc_rescan_work_lock, flags); |
| 2574 | if (work_count == 1) |
| 2575 | schedule_work(&ioc->fc_rescan_work); |
| 2576 | break; |
| 2577 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2578 | /* |
| 2579 | * CHECKME! Don't think we need to do |
| 2580 | * anything for these, but... |
| 2581 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2582 | case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */ |
| 2583 | case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */ |
| 2584 | /* |
| 2585 | * CHECKME! Falling thru... |
| 2586 | */ |
| 2587 | break; |
| 2588 | |
| 2589 | case MPI_EVENT_INTEGRATED_RAID: /* 0B */ |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2590 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2591 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2592 | case MPI_EVENT_NONE: /* 00 */ |
| 2593 | case MPI_EVENT_LOG_DATA: /* 01 */ |
| 2594 | case MPI_EVENT_STATE_CHANGE: /* 02 */ |
| 2595 | case MPI_EVENT_EVENT_CHANGE: /* 0A */ |
| 2596 | default: |
| 2597 | dprintk((KERN_INFO " Ignoring event (=%02Xh)\n", event)); |
| 2598 | break; |
| 2599 | } |
| 2600 | |
| 2601 | return 1; /* currently means nothing really */ |
| 2602 | } |
| 2603 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2604 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2605 | /* |
| 2606 | * mptscsih_initTarget - Target, LUN alloc/free functionality. |
| 2607 | * @hd: Pointer to MPT_SCSI_HOST structure |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2608 | * @vtarget: per target private data |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2609 | * @sdev: SCSI device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2610 | * |
| 2611 | * NOTE: It's only SAFE to call this routine if data points to |
| 2612 | * sane & valid STANDARD INQUIRY data! |
| 2613 | * |
| 2614 | * Allocate and initialize memory for this target. |
| 2615 | * Save inquiry data. |
| 2616 | * |
| 2617 | */ |
| 2618 | static void |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2619 | mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, |
| 2620 | struct scsi_device *sdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2621 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2622 | dinitprintk((MYIOC_s_INFO_FMT "initTarget bus=%d id=%d lun=%d hd=%p\n", |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2623 | hd->ioc->name, vtarget->bus_id, vtarget->target_id, lun, hd)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2624 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2625 | /* Is LUN supported? If so, upper 2 bits will be 0 |
| 2626 | * in first byte of inquiry data. |
| 2627 | */ |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2628 | if (sdev->inq_periph_qual != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2629 | return; |
| 2630 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2631 | if (vtarget == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2632 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2633 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2634 | vtarget->type = sdev->type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2635 | |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2636 | if (hd->ioc->bus_type != SPI) |
| 2637 | return; |
| 2638 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2639 | if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2640 | /* Treat all Processors as SAF-TE if |
| 2641 | * command line option is set */ |
| 2642 | vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; |
| 2643 | mptscsih_writeIOCPage4(hd, vtarget->target_id, vtarget->bus_id); |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2644 | }else if ((sdev->type == TYPE_PROCESSOR) && |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2645 | !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2646 | if (sdev->inquiry_len > 49 ) { |
| 2647 | if (sdev->inquiry[44] == 'S' && |
| 2648 | sdev->inquiry[45] == 'A' && |
| 2649 | sdev->inquiry[46] == 'F' && |
| 2650 | sdev->inquiry[47] == '-' && |
| 2651 | sdev->inquiry[48] == 'T' && |
| 2652 | sdev->inquiry[49] == 'E' ) { |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2653 | vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; |
| 2654 | mptscsih_writeIOCPage4(hd, vtarget->target_id, vtarget->bus_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2655 | } |
| 2656 | } |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 2657 | } |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2658 | mptscsih_setTargetNegoParms(hd, vtarget, sdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2659 | } |
| 2660 | |
| 2661 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2662 | /* |
| 2663 | * Update the target negotiation parameters based on the |
| 2664 | * the Inquiry data, adapter capabilities, and NVRAM settings. |
| 2665 | * |
| 2666 | */ |
| 2667 | static void |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2668 | mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target, |
| 2669 | struct scsi_device *sdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2670 | { |
Moore, Eric Dean | 466544d | 2005-09-14 18:09:10 -0600 | [diff] [blame] | 2671 | SpiCfgData *pspi_data = &hd->ioc->spi_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2672 | int id = (int) target->target_id; |
| 2673 | int nvram; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2674 | u8 width = MPT_NARROW; |
| 2675 | u8 factor = MPT_ASYNC; |
| 2676 | u8 offset = 0; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2677 | u8 nfactor; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2678 | u8 noQas = 1; |
| 2679 | |
| 2680 | target->negoFlags = pspi_data->noQas; |
| 2681 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2682 | /* noQas == 0 => device supports QAS. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2683 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2684 | if (sdev->scsi_level < SCSI_2) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2685 | width = 0; |
| 2686 | factor = MPT_ULTRA2; |
| 2687 | offset = pspi_data->maxSyncOffset; |
| 2688 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; |
| 2689 | } else { |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2690 | if (scsi_device_wide(sdev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2691 | width = 1; |
| 2692 | } |
| 2693 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2694 | if (scsi_device_sync(sdev)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2695 | factor = pspi_data->minSyncFactor; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2696 | if (!scsi_device_dt(sdev)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2697 | factor = MPT_ULTRA2; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2698 | else { |
| 2699 | if (!scsi_device_ius(sdev) && |
| 2700 | !scsi_device_qas(sdev)) |
| 2701 | factor = MPT_ULTRA160; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2702 | else { |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2703 | factor = MPT_ULTRA320; |
| 2704 | if (scsi_device_qas(sdev)) { |
| 2705 | ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", byte56, id)); |
| 2706 | noQas = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2707 | } |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2708 | if (sdev->type == TYPE_TAPE && |
| 2709 | scsi_device_ius(sdev)) |
| 2710 | target->negoFlags |= MPT_TAPE_NEGO_IDP; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2711 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2712 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2713 | offset = pspi_data->maxSyncOffset; |
| 2714 | |
| 2715 | /* If RAID, never disable QAS |
| 2716 | * else if non RAID, do not disable |
| 2717 | * QAS if bit 1 is set |
| 2718 | * bit 1 QAS support, non-raid only |
| 2719 | * bit 0 IU support |
| 2720 | */ |
| 2721 | if (target->raidVolume == 1) { |
| 2722 | noQas = 0; |
| 2723 | } |
| 2724 | } else { |
| 2725 | factor = MPT_ASYNC; |
| 2726 | offset = 0; |
| 2727 | } |
| 2728 | } |
| 2729 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2730 | if (!sdev->tagged_supported) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2731 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; |
| 2732 | } |
| 2733 | |
| 2734 | /* Update tflags based on NVRAM settings. (SCSI only) |
| 2735 | */ |
| 2736 | if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { |
| 2737 | nvram = pspi_data->nvram[id]; |
| 2738 | nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; |
| 2739 | |
| 2740 | if (width) |
| 2741 | width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; |
| 2742 | |
| 2743 | if (offset > 0) { |
| 2744 | /* Ensure factor is set to the |
| 2745 | * maximum of: adapter, nvram, inquiry |
| 2746 | */ |
| 2747 | if (nfactor) { |
| 2748 | if (nfactor < pspi_data->minSyncFactor ) |
| 2749 | nfactor = pspi_data->minSyncFactor; |
| 2750 | |
| 2751 | factor = max(factor, nfactor); |
| 2752 | if (factor == MPT_ASYNC) |
| 2753 | offset = 0; |
| 2754 | } else { |
| 2755 | offset = 0; |
| 2756 | factor = MPT_ASYNC; |
| 2757 | } |
| 2758 | } else { |
| 2759 | factor = MPT_ASYNC; |
| 2760 | } |
| 2761 | } |
| 2762 | |
| 2763 | /* Make sure data is consistent |
| 2764 | */ |
| 2765 | if ((!width) && (factor < MPT_ULTRA2)) { |
| 2766 | factor = MPT_ULTRA2; |
| 2767 | } |
| 2768 | |
| 2769 | /* Save the data to the target structure. |
| 2770 | */ |
| 2771 | target->minSyncFactor = factor; |
| 2772 | target->maxOffset = offset; |
| 2773 | target->maxWidth = width; |
| 2774 | |
| 2775 | target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; |
| 2776 | |
| 2777 | /* Disable unused features. |
| 2778 | */ |
| 2779 | if (!width) |
| 2780 | target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; |
| 2781 | |
| 2782 | if (!offset) |
| 2783 | target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; |
| 2784 | |
| 2785 | if ( factor > MPT_ULTRA320 ) |
| 2786 | noQas = 0; |
| 2787 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2788 | if (noQas && (pspi_data->noQas == 0)) { |
| 2789 | pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; |
| 2790 | target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2791 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2792 | /* Disable QAS in a mixed configuration case |
| 2793 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2794 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2795 | ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2796 | } |
| 2797 | } |
| 2798 | |
| 2799 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2800 | |
| 2801 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2802 | /* |
| 2803 | * SCSI Config Page functionality ... |
| 2804 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2805 | |
| 2806 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2807 | /* mptscsih_writeIOCPage4 - write IOC Page 4 |
| 2808 | * @hd: Pointer to a SCSI Host Structure |
| 2809 | * @target_id: write IOC Page4 for this ID & Bus |
| 2810 | * |
| 2811 | * Return: -EAGAIN if unable to obtain a Message Frame |
| 2812 | * or 0 if success. |
| 2813 | * |
| 2814 | * Remark: We do not wait for a return, write pages sequentially. |
| 2815 | */ |
| 2816 | static int |
| 2817 | mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus) |
| 2818 | { |
| 2819 | MPT_ADAPTER *ioc = hd->ioc; |
| 2820 | Config_t *pReq; |
| 2821 | IOCPage4_t *IOCPage4Ptr; |
| 2822 | MPT_FRAME_HDR *mf; |
| 2823 | dma_addr_t dataDma; |
| 2824 | u16 req_idx; |
| 2825 | u32 frameOffset; |
| 2826 | u32 flagsLength; |
| 2827 | int ii; |
| 2828 | |
| 2829 | /* Get a MF for this command. |
| 2830 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2831 | if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { |
Christoph Hellwig | c6678e0 | 2005-08-18 16:24:53 +0200 | [diff] [blame] | 2832 | dfailprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2833 | ioc->name)); |
| 2834 | return -EAGAIN; |
| 2835 | } |
| 2836 | |
| 2837 | /* Set the request and the data pointers. |
| 2838 | * Place data at end of MF. |
| 2839 | */ |
| 2840 | pReq = (Config_t *)mf; |
| 2841 | |
| 2842 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 2843 | frameOffset = ioc->req_sz - sizeof(IOCPage4_t); |
| 2844 | |
| 2845 | /* Complete the request frame (same for all requests). |
| 2846 | */ |
| 2847 | pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; |
| 2848 | pReq->Reserved = 0; |
| 2849 | pReq->ChainOffset = 0; |
| 2850 | pReq->Function = MPI_FUNCTION_CONFIG; |
| 2851 | pReq->ExtPageLength = 0; |
| 2852 | pReq->ExtPageType = 0; |
| 2853 | pReq->MsgFlags = 0; |
| 2854 | for (ii=0; ii < 8; ii++) { |
| 2855 | pReq->Reserved2[ii] = 0; |
| 2856 | } |
| 2857 | |
| 2858 | IOCPage4Ptr = ioc->spi_data.pIocPg4; |
| 2859 | dataDma = ioc->spi_data.IocPg4_dma; |
| 2860 | ii = IOCPage4Ptr->ActiveSEP++; |
| 2861 | IOCPage4Ptr->SEP[ii].SEPTargetID = target_id; |
| 2862 | IOCPage4Ptr->SEP[ii].SEPBus = bus; |
| 2863 | pReq->Header = IOCPage4Ptr->Header; |
| 2864 | pReq->PageAddress = cpu_to_le32(target_id | (bus << 8 )); |
| 2865 | |
| 2866 | /* Add a SGE to the config request. |
| 2867 | */ |
| 2868 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | |
| 2869 | (IOCPage4Ptr->Header.PageLength + ii) * 4; |
| 2870 | |
| 2871 | mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); |
| 2872 | |
| 2873 | dinitprintk((MYIOC_s_INFO_FMT |
| 2874 | "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n", |
| 2875 | ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, target_id, bus)); |
| 2876 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2877 | mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2878 | |
| 2879 | return 0; |
| 2880 | } |
| 2881 | |
| 2882 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2883 | /* |
| 2884 | * Bus Scan and Domain Validation functionality ... |
| 2885 | */ |
| 2886 | |
| 2887 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 2888 | /* |
| 2889 | * mptscsih_scandv_complete - Scan and DV callback routine registered |
| 2890 | * to Fustion MPT (base) driver. |
| 2891 | * |
| 2892 | * @ioc: Pointer to MPT_ADAPTER structure |
| 2893 | * @mf: Pointer to original MPT request frame |
| 2894 | * @mr: Pointer to MPT reply frame (NULL if TurboReply) |
| 2895 | * |
| 2896 | * This routine is called from mpt.c::mpt_interrupt() at the completion |
| 2897 | * of any SCSI IO request. |
| 2898 | * This routine is registered with the Fusion MPT (base) driver at driver |
| 2899 | * load/init time via the mpt_register() API call. |
| 2900 | * |
| 2901 | * Returns 1 indicating alloc'd request frame ptr should be freed. |
| 2902 | * |
| 2903 | * Remark: Sets a completion code and (possibly) saves sense data |
| 2904 | * in the IOC member localReply structure. |
| 2905 | * Used ONLY for DV and other internal commands. |
| 2906 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2907 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2908 | mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
| 2909 | { |
| 2910 | MPT_SCSI_HOST *hd; |
| 2911 | SCSIIORequest_t *pReq; |
| 2912 | int completionCode; |
| 2913 | u16 req_idx; |
| 2914 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 2915 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
| 2916 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2917 | if ((mf == NULL) || |
| 2918 | (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) { |
| 2919 | printk(MYIOC_s_ERR_FMT |
| 2920 | "ScanDvComplete, %s req frame ptr! (=%p)\n", |
| 2921 | ioc->name, mf?"BAD":"NULL", (void *) mf); |
| 2922 | goto wakeup; |
| 2923 | } |
| 2924 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2925 | del_timer(&hd->timer); |
| 2926 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 2927 | hd->ScsiLookup[req_idx] = NULL; |
| 2928 | pReq = (SCSIIORequest_t *) mf; |
| 2929 | |
| 2930 | if (mf != hd->cmdPtr) { |
| 2931 | printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n", |
| 2932 | hd->ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx); |
| 2933 | } |
| 2934 | hd->cmdPtr = NULL; |
| 2935 | |
| 2936 | ddvprintk((MYIOC_s_INFO_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n", |
| 2937 | hd->ioc->name, mf, mr, req_idx)); |
| 2938 | |
| 2939 | hd->pLocal = &hd->localReply; |
| 2940 | hd->pLocal->scsiStatus = 0; |
| 2941 | |
| 2942 | /* If target struct exists, clear sense valid flag. |
| 2943 | */ |
| 2944 | if (mr == NULL) { |
| 2945 | completionCode = MPT_SCANDV_GOOD; |
| 2946 | } else { |
| 2947 | SCSIIOReply_t *pReply; |
| 2948 | u16 status; |
| 2949 | u8 scsi_status; |
| 2950 | |
| 2951 | pReply = (SCSIIOReply_t *) mr; |
| 2952 | |
| 2953 | status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; |
| 2954 | scsi_status = pReply->SCSIStatus; |
| 2955 | |
| 2956 | ddvtprintk((KERN_NOTICE " IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh, IOCLogInfo=%08xh\n", |
| 2957 | status, pReply->SCSIState, scsi_status, |
| 2958 | le32_to_cpu(pReply->IOCLogInfo))); |
| 2959 | |
| 2960 | switch(status) { |
| 2961 | |
| 2962 | case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ |
| 2963 | completionCode = MPT_SCANDV_SELECTION_TIMEOUT; |
| 2964 | break; |
| 2965 | |
| 2966 | case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ |
| 2967 | case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ |
| 2968 | case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ |
| 2969 | case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ |
| 2970 | completionCode = MPT_SCANDV_DID_RESET; |
| 2971 | break; |
| 2972 | |
| 2973 | case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ |
| 2974 | case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ |
| 2975 | case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ |
| 2976 | if (pReply->Function == MPI_FUNCTION_CONFIG) { |
| 2977 | ConfigReply_t *pr = (ConfigReply_t *)mr; |
| 2978 | completionCode = MPT_SCANDV_GOOD; |
| 2979 | hd->pLocal->header.PageVersion = pr->Header.PageVersion; |
| 2980 | hd->pLocal->header.PageLength = pr->Header.PageLength; |
| 2981 | hd->pLocal->header.PageNumber = pr->Header.PageNumber; |
| 2982 | hd->pLocal->header.PageType = pr->Header.PageType; |
| 2983 | |
| 2984 | } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { |
| 2985 | /* If the RAID Volume request is successful, |
| 2986 | * return GOOD, else indicate that |
| 2987 | * some type of error occurred. |
| 2988 | */ |
| 2989 | MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr; |
Christoph Hellwig | 637fa99 | 2005-08-18 16:25:44 +0200 | [diff] [blame] | 2990 | if (le16_to_cpu(pr->ActionStatus) == MPI_RAID_ACTION_ASTATUS_SUCCESS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2991 | completionCode = MPT_SCANDV_GOOD; |
| 2992 | else |
| 2993 | completionCode = MPT_SCANDV_SOME_ERROR; |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 2994 | memcpy(hd->pLocal->sense, pr, sizeof(hd->pLocal->sense)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2995 | |
| 2996 | } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { |
| 2997 | u8 *sense_data; |
| 2998 | int sz; |
| 2999 | |
| 3000 | /* save sense data in global structure |
| 3001 | */ |
| 3002 | completionCode = MPT_SCANDV_SENSE; |
| 3003 | hd->pLocal->scsiStatus = scsi_status; |
| 3004 | sense_data = ((u8 *)hd->ioc->sense_buf_pool + |
| 3005 | (req_idx * MPT_SENSE_BUFFER_ALLOC)); |
| 3006 | |
| 3007 | sz = min_t(int, pReq->SenseBufferLength, |
| 3008 | SCSI_STD_SENSE_BYTES); |
| 3009 | memcpy(hd->pLocal->sense, sense_data, sz); |
| 3010 | |
| 3011 | ddvprintk((KERN_NOTICE " Check Condition, sense ptr %p\n", |
| 3012 | sense_data)); |
| 3013 | } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { |
| 3014 | if (pReq->CDB[0] == INQUIRY) |
| 3015 | completionCode = MPT_SCANDV_ISSUE_SENSE; |
| 3016 | else |
| 3017 | completionCode = MPT_SCANDV_DID_RESET; |
| 3018 | } |
| 3019 | else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) |
| 3020 | completionCode = MPT_SCANDV_DID_RESET; |
| 3021 | else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) |
| 3022 | completionCode = MPT_SCANDV_DID_RESET; |
| 3023 | else { |
| 3024 | completionCode = MPT_SCANDV_GOOD; |
| 3025 | hd->pLocal->scsiStatus = scsi_status; |
| 3026 | } |
| 3027 | break; |
| 3028 | |
| 3029 | case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ |
| 3030 | if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) |
| 3031 | completionCode = MPT_SCANDV_DID_RESET; |
| 3032 | else |
| 3033 | completionCode = MPT_SCANDV_SOME_ERROR; |
| 3034 | break; |
| 3035 | |
| 3036 | default: |
| 3037 | completionCode = MPT_SCANDV_SOME_ERROR; |
| 3038 | break; |
| 3039 | |
| 3040 | } /* switch(status) */ |
| 3041 | |
| 3042 | ddvtprintk((KERN_NOTICE " completionCode set to %08xh\n", |
| 3043 | completionCode)); |
| 3044 | } /* end of address reply case */ |
| 3045 | |
| 3046 | hd->pLocal->completion = completionCode; |
| 3047 | |
| 3048 | /* MF and RF are freed in mpt_interrupt |
| 3049 | */ |
| 3050 | wakeup: |
| 3051 | /* Free Chain buffers (will never chain) in scan or dv */ |
| 3052 | //mptscsih_freeChainBuffers(ioc, req_idx); |
| 3053 | |
| 3054 | /* |
| 3055 | * Wake up the original calling thread |
| 3056 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3057 | hd->scandv_wait_done = 1; |
| 3058 | wake_up(&hd->scandv_waitq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3059 | |
| 3060 | return 1; |
| 3061 | } |
| 3062 | |
| 3063 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 3064 | /* mptscsih_timer_expired - Call back for timer process. |
| 3065 | * Used only for dv functionality. |
| 3066 | * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long |
| 3067 | * |
| 3068 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3069 | void |
| 3070 | mptscsih_timer_expired(unsigned long data) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3071 | { |
| 3072 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data; |
| 3073 | |
| 3074 | ddvprintk((MYIOC_s_WARN_FMT "Timer Expired! Cmd %p\n", hd->ioc->name, hd->cmdPtr)); |
| 3075 | |
| 3076 | if (hd->cmdPtr) { |
| 3077 | MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr; |
| 3078 | |
| 3079 | if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) { |
| 3080 | /* Desire to issue a task management request here. |
| 3081 | * TM requests MUST be single threaded. |
| 3082 | * If old eh code and no TM current, issue request. |
| 3083 | * If new eh code, do nothing. Wait for OS cmd timeout |
| 3084 | * for bus reset. |
| 3085 | */ |
| 3086 | ddvtprintk((MYIOC_s_NOTE_FMT "DV Cmd Timeout: NoOp\n", hd->ioc->name)); |
| 3087 | } else { |
| 3088 | /* Perform a FW reload */ |
| 3089 | if (mpt_HardResetHandler(hd->ioc, NO_SLEEP) < 0) { |
| 3090 | printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", hd->ioc->name); |
| 3091 | } |
| 3092 | } |
| 3093 | } else { |
| 3094 | /* This should NEVER happen */ |
| 3095 | printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", hd->ioc->name); |
| 3096 | } |
| 3097 | |
| 3098 | /* No more processing. |
| 3099 | * TM call will generate an interrupt for SCSI TM Management. |
| 3100 | * The FW will reply to all outstanding commands, callback will finish cleanup. |
| 3101 | * Hard reset clean-up will free all resources. |
| 3102 | */ |
| 3103 | ddvprintk((MYIOC_s_WARN_FMT "Timer Expired Complete!\n", hd->ioc->name)); |
| 3104 | |
| 3105 | return; |
| 3106 | } |
| 3107 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3108 | |
| 3109 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 3110 | /** |
| 3111 | * mptscsih_do_cmd - Do internal command. |
| 3112 | * @hd: MPT_SCSI_HOST pointer |
| 3113 | * @io: INTERNAL_CMD pointer. |
| 3114 | * |
| 3115 | * Issue the specified internally generated command and do command |
| 3116 | * specific cleanup. For bus scan / DV only. |
| 3117 | * NOTES: If command is Inquiry and status is good, |
| 3118 | * initialize a target structure, save the data |
| 3119 | * |
| 3120 | * Remark: Single threaded access only. |
| 3121 | * |
| 3122 | * Return: |
| 3123 | * < 0 if an illegal command or no resources |
| 3124 | * |
| 3125 | * 0 if good |
| 3126 | * |
| 3127 | * > 0 if command complete but some type of completion error. |
| 3128 | */ |
| 3129 | static int |
| 3130 | mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) |
| 3131 | { |
| 3132 | MPT_FRAME_HDR *mf; |
| 3133 | SCSIIORequest_t *pScsiReq; |
| 3134 | SCSIIORequest_t ReqCopy; |
| 3135 | int my_idx, ii, dir; |
| 3136 | int rc, cmdTimeout; |
| 3137 | int in_isr; |
| 3138 | char cmdLen; |
| 3139 | char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; |
| 3140 | char cmd = io->cmd; |
| 3141 | |
| 3142 | in_isr = in_interrupt(); |
| 3143 | if (in_isr) { |
| 3144 | dprintk((MYIOC_s_WARN_FMT "Internal SCSI IO request not allowed in ISR context!\n", |
| 3145 | hd->ioc->name)); |
| 3146 | return -EPERM; |
| 3147 | } |
| 3148 | |
| 3149 | |
| 3150 | /* Set command specific information |
| 3151 | */ |
| 3152 | switch (cmd) { |
| 3153 | case INQUIRY: |
| 3154 | cmdLen = 6; |
| 3155 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3156 | CDB[0] = cmd; |
| 3157 | CDB[4] = io->size; |
| 3158 | cmdTimeout = 10; |
| 3159 | break; |
| 3160 | |
| 3161 | case TEST_UNIT_READY: |
| 3162 | cmdLen = 6; |
| 3163 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3164 | cmdTimeout = 10; |
| 3165 | break; |
| 3166 | |
| 3167 | case START_STOP: |
| 3168 | cmdLen = 6; |
| 3169 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3170 | CDB[0] = cmd; |
| 3171 | CDB[4] = 1; /*Spin up the disk */ |
| 3172 | cmdTimeout = 15; |
| 3173 | break; |
| 3174 | |
| 3175 | case REQUEST_SENSE: |
| 3176 | cmdLen = 6; |
| 3177 | CDB[0] = cmd; |
| 3178 | CDB[4] = io->size; |
| 3179 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3180 | cmdTimeout = 10; |
| 3181 | break; |
| 3182 | |
| 3183 | case READ_BUFFER: |
| 3184 | cmdLen = 10; |
| 3185 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3186 | CDB[0] = cmd; |
| 3187 | if (io->flags & MPT_ICFLAG_ECHO) { |
| 3188 | CDB[1] = 0x0A; |
| 3189 | } else { |
| 3190 | CDB[1] = 0x02; |
| 3191 | } |
| 3192 | |
| 3193 | if (io->flags & MPT_ICFLAG_BUF_CAP) { |
| 3194 | CDB[1] |= 0x01; |
| 3195 | } |
| 3196 | CDB[6] = (io->size >> 16) & 0xFF; |
| 3197 | CDB[7] = (io->size >> 8) & 0xFF; |
| 3198 | CDB[8] = io->size & 0xFF; |
| 3199 | cmdTimeout = 10; |
| 3200 | break; |
| 3201 | |
| 3202 | case WRITE_BUFFER: |
| 3203 | cmdLen = 10; |
| 3204 | dir = MPI_SCSIIO_CONTROL_WRITE; |
| 3205 | CDB[0] = cmd; |
| 3206 | if (io->flags & MPT_ICFLAG_ECHO) { |
| 3207 | CDB[1] = 0x0A; |
| 3208 | } else { |
| 3209 | CDB[1] = 0x02; |
| 3210 | } |
| 3211 | CDB[6] = (io->size >> 16) & 0xFF; |
| 3212 | CDB[7] = (io->size >> 8) & 0xFF; |
| 3213 | CDB[8] = io->size & 0xFF; |
| 3214 | cmdTimeout = 10; |
| 3215 | break; |
| 3216 | |
| 3217 | case RESERVE: |
| 3218 | cmdLen = 6; |
| 3219 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3220 | CDB[0] = cmd; |
| 3221 | cmdTimeout = 10; |
| 3222 | break; |
| 3223 | |
| 3224 | case RELEASE: |
| 3225 | cmdLen = 6; |
| 3226 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3227 | CDB[0] = cmd; |
| 3228 | cmdTimeout = 10; |
| 3229 | break; |
| 3230 | |
| 3231 | case SYNCHRONIZE_CACHE: |
| 3232 | cmdLen = 10; |
| 3233 | dir = MPI_SCSIIO_CONTROL_READ; |
| 3234 | CDB[0] = cmd; |
| 3235 | // CDB[1] = 0x02; /* set immediate bit */ |
| 3236 | cmdTimeout = 10; |
| 3237 | break; |
| 3238 | |
| 3239 | default: |
| 3240 | /* Error Case */ |
| 3241 | return -EFAULT; |
| 3242 | } |
| 3243 | |
| 3244 | /* Get and Populate a free Frame |
| 3245 | */ |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3246 | if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3247 | ddvprintk((MYIOC_s_WARN_FMT "No msg frames!\n", |
| 3248 | hd->ioc->name)); |
| 3249 | return -EBUSY; |
| 3250 | } |
| 3251 | |
| 3252 | pScsiReq = (SCSIIORequest_t *) mf; |
| 3253 | |
| 3254 | /* Get the request index */ |
| 3255 | my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); |
| 3256 | ADD_INDEX_LOG(my_idx); /* for debug */ |
| 3257 | |
| 3258 | if (io->flags & MPT_ICFLAG_PHYS_DISK) { |
| 3259 | pScsiReq->TargetID = io->physDiskNum; |
| 3260 | pScsiReq->Bus = 0; |
| 3261 | pScsiReq->ChainOffset = 0; |
| 3262 | pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; |
| 3263 | } else { |
| 3264 | pScsiReq->TargetID = io->id; |
| 3265 | pScsiReq->Bus = io->bus; |
| 3266 | pScsiReq->ChainOffset = 0; |
| 3267 | pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; |
| 3268 | } |
| 3269 | |
| 3270 | pScsiReq->CDBLength = cmdLen; |
| 3271 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; |
| 3272 | |
| 3273 | pScsiReq->Reserved = 0; |
| 3274 | |
| 3275 | pScsiReq->MsgFlags = mpt_msg_flags(); |
| 3276 | /* MsgContext set in mpt_get_msg_fram call */ |
| 3277 | |
| 3278 | for (ii=0; ii < 8; ii++) |
| 3279 | pScsiReq->LUN[ii] = 0; |
| 3280 | pScsiReq->LUN[1] = io->lun; |
| 3281 | |
| 3282 | if (io->flags & MPT_ICFLAG_TAGGED_CMD) |
| 3283 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); |
| 3284 | else |
| 3285 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); |
| 3286 | |
| 3287 | if (cmd == REQUEST_SENSE) { |
| 3288 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); |
| 3289 | ddvprintk((MYIOC_s_INFO_FMT "Untagged! 0x%2x\n", |
| 3290 | hd->ioc->name, cmd)); |
| 3291 | } |
| 3292 | |
| 3293 | for (ii=0; ii < 16; ii++) |
| 3294 | pScsiReq->CDB[ii] = CDB[ii]; |
| 3295 | |
| 3296 | pScsiReq->DataLength = cpu_to_le32(io->size); |
| 3297 | pScsiReq->SenseBufferLowAddr = cpu_to_le32(hd->ioc->sense_buf_low_dma |
| 3298 | + (my_idx * MPT_SENSE_BUFFER_ALLOC)); |
| 3299 | |
| 3300 | ddvprintk((MYIOC_s_INFO_FMT "Sending Command 0x%x for (%d:%d:%d)\n", |
| 3301 | hd->ioc->name, cmd, io->bus, io->id, io->lun)); |
| 3302 | |
| 3303 | if (dir == MPI_SCSIIO_CONTROL_READ) { |
| 3304 | mpt_add_sge((char *) &pScsiReq->SGL, |
| 3305 | MPT_SGE_FLAGS_SSIMPLE_READ | io->size, |
| 3306 | io->data_dma); |
| 3307 | } else { |
| 3308 | mpt_add_sge((char *) &pScsiReq->SGL, |
| 3309 | MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, |
| 3310 | io->data_dma); |
| 3311 | } |
| 3312 | |
| 3313 | /* The ISR will free the request frame, but we need |
| 3314 | * the information to initialize the target. Duplicate. |
| 3315 | */ |
| 3316 | memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t)); |
| 3317 | |
| 3318 | /* Issue this command after: |
| 3319 | * finish init |
| 3320 | * add timer |
| 3321 | * Wait until the reply has been received |
| 3322 | * ScsiScanDvCtx callback function will |
| 3323 | * set hd->pLocal; |
| 3324 | * set scandv_wait_done and call wake_up |
| 3325 | */ |
| 3326 | hd->pLocal = NULL; |
| 3327 | hd->timer.expires = jiffies + HZ*cmdTimeout; |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3328 | hd->scandv_wait_done = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3329 | |
| 3330 | /* Save cmd pointer, for resource free if timeout or |
| 3331 | * FW reload occurs |
| 3332 | */ |
| 3333 | hd->cmdPtr = mf; |
| 3334 | |
| 3335 | add_timer(&hd->timer); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3336 | mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf); |
| 3337 | wait_event(hd->scandv_waitq, hd->scandv_wait_done); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3338 | |
| 3339 | if (hd->pLocal) { |
| 3340 | rc = hd->pLocal->completion; |
| 3341 | hd->pLocal->skip = 0; |
| 3342 | |
| 3343 | /* Always set fatal error codes in some cases. |
| 3344 | */ |
| 3345 | if (rc == MPT_SCANDV_SELECTION_TIMEOUT) |
| 3346 | rc = -ENXIO; |
| 3347 | else if (rc == MPT_SCANDV_SOME_ERROR) |
| 3348 | rc = -rc; |
| 3349 | } else { |
| 3350 | rc = -EFAULT; |
| 3351 | /* This should never happen. */ |
| 3352 | ddvprintk((MYIOC_s_INFO_FMT "_do_cmd: Null pLocal!!!\n", |
| 3353 | hd->ioc->name)); |
| 3354 | } |
| 3355 | |
| 3356 | return rc; |
| 3357 | } |
| 3358 | |
| 3359 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
| 3360 | /** |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 3361 | * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. |
| 3362 | * @hd: Pointer to a SCSI HOST structure |
| 3363 | * @vtarget: per device private data |
| 3364 | * @lun: lun |
| 3365 | * |
| 3366 | * Uses the ISR, but with special processing. |
| 3367 | * MUST be single-threaded. |
| 3368 | * |
| 3369 | */ |
| 3370 | static void |
| 3371 | mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice) |
| 3372 | { |
| 3373 | INTERNAL_CMD iocmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3374 | |
| 3375 | /* Following parameters will not change |
| 3376 | * in this routine. |
| 3377 | */ |
| 3378 | iocmd.cmd = SYNCHRONIZE_CACHE; |
| 3379 | iocmd.flags = 0; |
| 3380 | iocmd.physDiskNum = -1; |
| 3381 | iocmd.data = NULL; |
| 3382 | iocmd.data_dma = -1; |
| 3383 | iocmd.size = 0; |
| 3384 | iocmd.rsvd = iocmd.rsvd2 = 0; |
Moore, Eric | 914c2d8 | 2006-03-14 09:19:36 -0700 | [diff] [blame] | 3385 | iocmd.bus = vdevice->vtarget->bus_id; |
| 3386 | iocmd.id = vdevice->vtarget->target_id; |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 3387 | iocmd.lun = (u8)vdevice->lun; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3388 | |
James Bottomley | c92f222 | 2006-03-01 09:02:49 -0600 | [diff] [blame] | 3389 | if ((vdevice->vtarget->type == TYPE_DISK) && |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 3390 | (vdevice->configured_lun)) |
| 3391 | mptscsih_do_cmd(hd, &iocmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3392 | } |
| 3393 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3394 | EXPORT_SYMBOL(mptscsih_remove); |
| 3395 | EXPORT_SYMBOL(mptscsih_shutdown); |
| 3396 | #ifdef CONFIG_PM |
| 3397 | EXPORT_SYMBOL(mptscsih_suspend); |
| 3398 | EXPORT_SYMBOL(mptscsih_resume); |
| 3399 | #endif |
| 3400 | EXPORT_SYMBOL(mptscsih_proc_info); |
| 3401 | EXPORT_SYMBOL(mptscsih_info); |
| 3402 | EXPORT_SYMBOL(mptscsih_qcmd); |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 3403 | EXPORT_SYMBOL(mptscsih_target_alloc); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3404 | EXPORT_SYMBOL(mptscsih_slave_alloc); |
Moore, Eric Dean | c7c8298 | 2005-11-16 18:54:25 -0700 | [diff] [blame] | 3405 | EXPORT_SYMBOL(mptscsih_target_destroy); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3406 | EXPORT_SYMBOL(mptscsih_slave_destroy); |
| 3407 | EXPORT_SYMBOL(mptscsih_slave_configure); |
| 3408 | EXPORT_SYMBOL(mptscsih_abort); |
| 3409 | EXPORT_SYMBOL(mptscsih_dev_reset); |
| 3410 | EXPORT_SYMBOL(mptscsih_bus_reset); |
| 3411 | EXPORT_SYMBOL(mptscsih_host_reset); |
| 3412 | EXPORT_SYMBOL(mptscsih_bios_param); |
| 3413 | EXPORT_SYMBOL(mptscsih_io_done); |
| 3414 | EXPORT_SYMBOL(mptscsih_taskmgmt_complete); |
| 3415 | EXPORT_SYMBOL(mptscsih_scandv_complete); |
| 3416 | EXPORT_SYMBOL(mptscsih_event_process); |
| 3417 | EXPORT_SYMBOL(mptscsih_ioc_reset); |
Moore, Eric Dean | 6e3815b | 2005-06-24 12:18:57 -0600 | [diff] [blame] | 3418 | EXPORT_SYMBOL(mptscsih_change_queue_depth); |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3419 | EXPORT_SYMBOL(mptscsih_timer_expired); |
James Bottomley | 663e1aa | 2006-01-29 12:10:24 -0600 | [diff] [blame] | 3420 | EXPORT_SYMBOL(mptscsih_TMHandler); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3421 | |
Moore, Eric Dean | 0d0c797 | 2005-04-22 18:02:09 -0400 | [diff] [blame] | 3422 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |