blob: 5a3c10e72e40b072d86da8273dcf2ae27b5056b0 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/drivers/message/fusion/mptscsih.c
Prakash, Sathyaf36789e2007-08-14 16:22:54 +05303 * For use with LSI PCI chip/adapter(s)
4 * running LSI Fusion MPT (Message Passing Technology) firmware.
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 *
Prakash, Sathyacddc0ab2008-05-21 00:56:41 +05306 * Copyright (c) 1999-2008 LSI Corporation
Eric Moore16d20102007-06-13 16:31:07 -06007 * (mailto:DL-MPTFusionLinux@lsi.com)
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07009 */
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
Linus Torvalds1da177e2005-04-16 15:20:36 -070047#include <linux/module.h>
48#include <linux/kernel.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090049#include <linux/slab.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050#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 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070057#include <linux/workqueue.h>
58
59#include <scsi/scsi.h>
60#include <scsi/scsi_cmnd.h>
61#include <scsi/scsi_device.h>
62#include <scsi/scsi_host.h>
63#include <scsi/scsi_tcq.h>
Moore, Eric Deane0fc15b2005-09-15 13:17:14 -060064#include <scsi/scsi_dbg.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070065
66#include "mptbase.h"
67#include "mptscsih.h"
Eric Moorebf451522006-07-11 17:25:35 -060068#include "lsi/mpi_log_sas.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070069
70/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
71#define my_NAME "Fusion MPT SCSI Host driver"
72#define my_VERSION MPT_LINUX_VERSION_COMMON
73#define MYNAM "mptscsih"
74
75MODULE_AUTHOR(MODULEAUTHOR);
76MODULE_DESCRIPTION(my_NAME);
77MODULE_LICENSE("GPL");
Eric Moore9f4203b2007-01-04 20:47:47 -070078MODULE_VERSION(my_VERSION);
Linus Torvalds1da177e2005-04-16 15:20:36 -070079
Linus Torvalds1da177e2005-04-16 15:20:36 -070080/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linus Torvalds1da177e2005-04-16 15:20:36 -070081/*
82 * Other private/forward protos...
83 */
Kashyap, Desaidb7051b2009-05-29 16:56:59 +053084struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
Eric Mooree8206382007-09-29 10:16:53 -060085static struct scsi_cmnd * mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i);
86static void mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd);
87static int SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *scmd);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -040088int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
Linus Torvalds1da177e2005-04-16 15:20:36 -070089static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -040090int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
Linus Torvalds1da177e2005-04-16 15:20:36 -070091
92static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
93 SCSIIORequest_t *pReq, int req_idx);
94static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -040095static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply);
Linus Torvalds1da177e2005-04-16 15:20:36 -070096
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +053097int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id,
98 int lun, int ctx2abort, ulong timeout);
Linus Torvalds1da177e2005-04-16 15:20:36 -070099
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400100int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
101int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102
Kashyap, Desaie7deff32009-05-29 16:46:07 +0530103void
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +0530104mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
Kashyap, Desai37c60f32009-05-29 16:44:06 +0530105static int mptscsih_get_completion_code(MPT_ADAPTER *ioc,
106 MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400107int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -0700109static void mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +0530111static int
112mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
113 SCSITaskMgmtReply_t *pScsiTmReply);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400114void mptscsih_remove(struct pci_dev *);
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -0700115void mptscsih_shutdown(struct pci_dev *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116#ifdef CONFIG_PM
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400117int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state);
118int mptscsih_resume(struct pci_dev *pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119#endif
120
FUJITA Tomonorib80ca4f2008-01-13 15:46:13 +0900121#define SNS_LEN(scp) SCSI_SENSE_BUFFERSIZE
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123
124/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
125/*
126 * mptscsih_getFreeChainBuffer - Function to get a free chain
127 * from the MPT_SCSI_HOST FreeChainQ.
128 * @ioc: Pointer to MPT_ADAPTER structure
129 * @req_idx: Index of the SCSI IO request frame. (output)
130 *
131 * return SUCCESS or FAILED
132 */
133static inline int
134mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex)
135{
136 MPT_FRAME_HDR *chainBuf;
137 unsigned long flags;
138 int rc;
139 int chain_idx;
140
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530141 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "getFreeChainBuffer called\n",
Eric Moore29dd3602007-09-14 18:46:51 -0600142 ioc->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700143 spin_lock_irqsave(&ioc->FreeQlock, flags);
144 if (!list_empty(&ioc->FreeChainQ)) {
145 int offset;
146
147 chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR,
148 u.frame.linkage.list);
149 list_del(&chainBuf->u.frame.linkage.list);
150 offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer;
151 chain_idx = offset / ioc->req_sz;
152 rc = SUCCESS;
Eric Moore29dd3602007-09-14 18:46:51 -0600153 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
154 "getFreeChainBuffer chainBuf=%p ChainBuffer=%p offset=%d chain_idx=%d\n",
155 ioc->name, chainBuf, ioc->ChainBuffer, offset, chain_idx));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700156 } else {
157 rc = FAILED;
158 chain_idx = MPT_HOST_NO_CHAIN;
Eric Moore29dd3602007-09-14 18:46:51 -0600159 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n",
160 ioc->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161 }
162 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
163
164 *retIndex = chain_idx;
165 return rc;
166} /* mptscsih_getFreeChainBuffer() */
167
168/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
169/*
170 * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the
171 * SCSIIORequest_t Message Frame.
172 * @ioc: Pointer to MPT_ADAPTER structure
173 * @SCpnt: Pointer to scsi_cmnd structure
174 * @pReq: Pointer to SCSIIORequest_t structure
175 *
176 * Returns ...
177 */
178static int
179mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt,
180 SCSIIORequest_t *pReq, int req_idx)
181{
182 char *psge;
183 char *chainSge;
184 struct scatterlist *sg;
185 int frm_sz;
186 int sges_left, sg_done;
187 int chain_idx = MPT_HOST_NO_CHAIN;
188 int sgeOffset;
189 int numSgeSlots, numSgeThisFrame;
190 u32 sgflags, sgdir, thisxfer = 0;
191 int chain_dma_off = 0;
192 int newIndex;
193 int ii;
194 dma_addr_t v2;
195 u32 RequestNB;
196
197 sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK;
198 if (sgdir == MPI_SCSIIO_CONTROL_WRITE) {
199 sgdir = MPT_TRANSFER_HOST_TO_IOC;
200 } else {
201 sgdir = MPT_TRANSFER_IOC_TO_HOST;
202 }
203
204 psge = (char *) &pReq->SGL;
205 frm_sz = ioc->req_sz;
206
207 /* Map the data portion, if any.
208 * sges_left = 0 if no data transfer.
209 */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900210 sges_left = scsi_dma_map(SCpnt);
211 if (sges_left < 0)
212 return FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213
214 /* Handle the SG case.
215 */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900216 sg = scsi_sglist(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700217 sg_done = 0;
218 sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION);
219 chainSge = NULL;
220
221 /* Prior to entering this loop - the following must be set
222 * current MF: sgeOffset (bytes)
223 * chainSge (Null if original MF is not a chain buffer)
224 * sg_done (num SGE done for this MF)
225 */
226
227nextSGEset:
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530228 numSgeSlots = ((frm_sz - sgeOffset) / ioc->SGE_size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229 numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots;
230
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530231 sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | sgdir;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232
233 /* Get first (num - 1) SG elements
234 * Skip any SG entries with a length of 0
235 * NOTE: at finish, sg and psge pointed to NEXT data/location positions
236 */
237 for (ii=0; ii < (numSgeThisFrame-1); ii++) {
238 thisxfer = sg_dma_len(sg);
239 if (thisxfer == 0) {
Kashyap, Desai2f187862009-05-29 16:52:37 +0530240 /* Get next SG element from the OS */
241 sg = sg_next(sg);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242 sg_done++;
243 continue;
244 }
245
246 v2 = sg_dma_address(sg);
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530247 ioc->add_sge(psge, sgflags | thisxfer, v2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700248
Kashyap, Desai2f187862009-05-29 16:52:37 +0530249 /* Get next SG element from the OS */
250 sg = sg_next(sg);
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530251 psge += ioc->SGE_size;
252 sgeOffset += ioc->SGE_size;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253 sg_done++;
254 }
255
256 if (numSgeThisFrame == sges_left) {
257 /* Add last element, end of buffer and end of list flags.
258 */
259 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT |
260 MPT_SGE_FLAGS_END_OF_BUFFER |
261 MPT_SGE_FLAGS_END_OF_LIST;
262
263 /* Add last SGE and set termination flags.
264 * Note: Last SGE may have a length of 0 - which should be ok.
265 */
266 thisxfer = sg_dma_len(sg);
267
268 v2 = sg_dma_address(sg);
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530269 ioc->add_sge(psge, sgflags | thisxfer, v2);
270 sgeOffset += ioc->SGE_size;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700271 sg_done++;
272
273 if (chainSge) {
274 /* The current buffer is a chain buffer,
275 * but there is not another one.
276 * Update the chain element
277 * Offset and Length fields.
278 */
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530279 ioc->add_chain((char *)chainSge, 0, sgeOffset,
280 ioc->ChainBufferDMA + chain_dma_off);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700281 } else {
282 /* The current buffer is the original MF
283 * and there is no Chain buffer.
284 */
285 pReq->ChainOffset = 0;
286 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530287 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700288 "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
289 ioc->RequestNB[req_idx] = RequestNB;
290 }
291 } else {
292 /* At least one chain buffer is needed.
293 * Complete the first MF
294 * - last SGE element, set the LastElement bit
295 * - set ChainOffset (words) for orig MF
296 * (OR finish previous MF chain buffer)
297 * - update MFStructPtr ChainIndex
298 * - Populate chain element
299 * Also
300 * Loop until done.
301 */
302
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530303 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "SG: Chain Required! sg done %d\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -0700304 ioc->name, sg_done));
305
306 /* Set LAST_ELEMENT flag for last non-chain element
307 * in the buffer. Since psge points at the NEXT
308 * SGE element, go back one SGE element, update the flags
309 * and reset the pointer. (Note: sgflags & thisxfer are already
310 * set properly).
311 */
312 if (sg_done) {
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530313 u32 *ptmp = (u32 *) (psge - ioc->SGE_size);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 sgflags = le32_to_cpu(*ptmp);
315 sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT;
316 *ptmp = cpu_to_le32(sgflags);
317 }
318
319 if (chainSge) {
320 /* The current buffer is a chain buffer.
321 * chainSge points to the previous Chain Element.
322 * Update its chain element Offset and Length (must
323 * include chain element size) fields.
324 * Old chain element is now complete.
325 */
326 u8 nextChain = (u8) (sgeOffset >> 2);
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +0530327 sgeOffset += ioc->SGE_size;
328 ioc->add_chain((char *)chainSge, nextChain, sgeOffset,
329 ioc->ChainBufferDMA + chain_dma_off);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700330 } else {
331 /* The original MF buffer requires a chain buffer -
332 * set the offset.
333 * Last element in this MF is a chain element.
334 */
335 pReq->ChainOffset = (u8) (sgeOffset >> 2);
336 RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530337 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338 ioc->RequestNB[req_idx] = RequestNB;
339 }
340
341 sges_left -= sg_done;
342
343
344 /* NOTE: psge points to the beginning of the chain element
345 * in current buffer. Get a chain buffer.
346 */
Christoph Hellwigc6678e02005-08-18 16:24:53 +0200347 if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) {
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530348 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Christoph Hellwigc6678e02005-08-18 16:24:53 +0200349 "getFreeChainBuffer FAILED SCSI cmd=%02x (%p)\n",
350 ioc->name, pReq->CDB[0], SCpnt));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351 return FAILED;
Christoph Hellwigc6678e02005-08-18 16:24:53 +0200352 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353
354 /* Update the tracking arrays.
355 * If chainSge == NULL, update ReqToChain, else ChainToChain
356 */
357 if (chainSge) {
358 ioc->ChainToChain[chain_idx] = newIndex;
359 } else {
360 ioc->ReqToChain[req_idx] = newIndex;
361 }
362 chain_idx = newIndex;
363 chain_dma_off = ioc->req_sz * chain_idx;
364
365 /* Populate the chainSGE for the current buffer.
366 * - Set chain buffer pointer to psge and fill
367 * out the Address and Flags fields.
368 */
369 chainSge = (char *) psge;
Eric Moore29dd3602007-09-14 18:46:51 -0600370 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Current buff @ %p (index 0x%x)",
371 ioc->name, psge, req_idx));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700372
373 /* Start the SGE for the next buffer
374 */
375 psge = (char *) (ioc->ChainBuffer + chain_dma_off);
376 sgeOffset = 0;
377 sg_done = 0;
378
Eric Moore29dd3602007-09-14 18:46:51 -0600379 dsgprintk(ioc, printk(MYIOC_s_DEBUG_FMT " Chain buff @ %p (index 0x%x)\n",
380 ioc->name, psge, chain_idx));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700381
382 /* Start the SGE for the next buffer
383 */
384
385 goto nextSGEset;
386 }
387
388 return SUCCESS;
389} /* mptscsih_AddSGE() */
390
Eric Moore786899b2006-07-11 17:22:22 -0600391static void
392mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
393 U32 SlotStatus)
394{
395 MPT_FRAME_HDR *mf;
396 SEPRequest_t *SEPMsg;
397
Eric Moorecc78d302007-06-15 17:27:21 -0600398 if (ioc->bus_type != SAS)
399 return;
400
401 /* Not supported for hidden raid components
402 */
403 if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
Eric Moore786899b2006-07-11 17:22:22 -0600404 return;
405
406 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530407 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: no msg frames!!\n",
Harvey Harrisoncadbd4a2008-07-03 23:47:27 -0700408 ioc->name,__func__));
Eric Moore786899b2006-07-11 17:22:22 -0600409 return;
410 }
411
412 SEPMsg = (SEPRequest_t *)mf;
413 SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
Eric Moore793955f2007-01-29 09:42:20 -0700414 SEPMsg->Bus = vtarget->channel;
415 SEPMsg->TargetID = vtarget->id;
Eric Moore786899b2006-07-11 17:22:22 -0600416 SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
417 SEPMsg->SlotStatus = SlotStatus;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530418 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Eric Moore793955f2007-01-29 09:42:20 -0700419 "Sending SEP cmd=%x channel=%d id=%d\n",
420 ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
Eric Moore786899b2006-07-11 17:22:22 -0600421 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
422}
423
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530424#ifdef CONFIG_FUSION_LOGGING
Eric Moorec6c727a2007-01-29 09:44:54 -0700425/**
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530426 * mptscsih_info_scsiio - debug print info on reply frame
Eric Moorec6c727a2007-01-29 09:44:54 -0700427 * @ioc: Pointer to MPT_ADAPTER structure
Eric Moorec6c727a2007-01-29 09:44:54 -0700428 * @sc: original scsi cmnd pointer
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530429 * @pScsiReply: Pointer to MPT reply frame
430 *
431 * MPT_DEBUG_REPLY needs to be enabled to obtain this info
Eric Moorec6c727a2007-01-29 09:44:54 -0700432 *
433 * Refer to lsi/mpi.h.
434 **/
435static void
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530436mptscsih_info_scsiio(MPT_ADAPTER *ioc, struct scsi_cmnd *sc, SCSIIOReply_t * pScsiReply)
Eric Moorec6c727a2007-01-29 09:44:54 -0700437{
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530438 char *desc = NULL;
439 char *desc1 = NULL;
440 u16 ioc_status;
441 u8 skey, asc, ascq;
442
443 ioc_status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
Eric Moorec6c727a2007-01-29 09:44:54 -0700444
445 switch (ioc_status) {
446
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530447 case MPI_IOCSTATUS_SUCCESS:
448 desc = "success";
Eric Moorec6c727a2007-01-29 09:44:54 -0700449 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530450 case MPI_IOCSTATUS_SCSI_INVALID_BUS:
451 desc = "invalid bus";
Eric Moorec6c727a2007-01-29 09:44:54 -0700452 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530453 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID:
454 desc = "invalid target_id";
Eric Moorec6c727a2007-01-29 09:44:54 -0700455 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530456 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
457 desc = "device not there";
Eric Moorec6c727a2007-01-29 09:44:54 -0700458 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530459 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:
460 desc = "data overrun";
Eric Moorec6c727a2007-01-29 09:44:54 -0700461 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530462 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN:
463 desc = "data underrun";
Eric Moorec6c727a2007-01-29 09:44:54 -0700464 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530465 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:
466 desc = "I/O data error";
Eric Moorec6c727a2007-01-29 09:44:54 -0700467 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530468 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR:
469 desc = "protocol error";
Eric Moorec6c727a2007-01-29 09:44:54 -0700470 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530471 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED:
472 desc = "task terminated";
Eric Moorec6c727a2007-01-29 09:44:54 -0700473 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530474 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
475 desc = "residual mismatch";
Eric Moorec6c727a2007-01-29 09:44:54 -0700476 break;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530477 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
478 desc = "task management failed";
479 break;
480 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED:
481 desc = "IOC terminated";
482 break;
483 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED:
484 desc = "ext terminated";
485 break;
486 default:
487 desc = "";
Eric Moorec6c727a2007-01-29 09:44:54 -0700488 break;
489 }
490
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530491 switch (pScsiReply->SCSIStatus)
492 {
Eric Moorec6c727a2007-01-29 09:44:54 -0700493
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530494 case MPI_SCSI_STATUS_SUCCESS:
495 desc1 = "success";
496 break;
497 case MPI_SCSI_STATUS_CHECK_CONDITION:
498 desc1 = "check condition";
499 break;
500 case MPI_SCSI_STATUS_CONDITION_MET:
501 desc1 = "condition met";
502 break;
503 case MPI_SCSI_STATUS_BUSY:
504 desc1 = "busy";
505 break;
506 case MPI_SCSI_STATUS_INTERMEDIATE:
507 desc1 = "intermediate";
508 break;
509 case MPI_SCSI_STATUS_INTERMEDIATE_CONDMET:
510 desc1 = "intermediate condmet";
511 break;
512 case MPI_SCSI_STATUS_RESERVATION_CONFLICT:
513 desc1 = "reservation conflict";
514 break;
515 case MPI_SCSI_STATUS_COMMAND_TERMINATED:
516 desc1 = "command terminated";
517 break;
518 case MPI_SCSI_STATUS_TASK_SET_FULL:
519 desc1 = "task set full";
520 break;
521 case MPI_SCSI_STATUS_ACA_ACTIVE:
522 desc1 = "aca active";
523 break;
524 case MPI_SCSI_STATUS_FCPEXT_DEVICE_LOGGED_OUT:
525 desc1 = "fcpext device logged out";
526 break;
527 case MPI_SCSI_STATUS_FCPEXT_NO_LINK:
528 desc1 = "fcpext no link";
529 break;
530 case MPI_SCSI_STATUS_FCPEXT_UNASSIGNED:
531 desc1 = "fcpext unassigned";
532 break;
533 default:
534 desc1 = "";
535 break;
536 }
Eric Moorec6c727a2007-01-29 09:44:54 -0700537
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530538 scsi_print_command(sc);
Kashyap, Desai2f187862009-05-29 16:52:37 +0530539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %d\n",
540 ioc->name, pScsiReply->Bus, pScsiReply->TargetID, sc->device->lun);
Eric Moore29dd3602007-09-14 18:46:51 -0600541 printk(MYIOC_s_DEBUG_FMT "\trequest_len = %d, underflow = %d, "
542 "resid = %d\n", ioc->name, scsi_bufflen(sc), sc->underflow,
543 scsi_get_resid(sc));
544 printk(MYIOC_s_DEBUG_FMT "\ttag = %d, transfer_count = %d, "
545 "sc->result = %08X\n", ioc->name, le16_to_cpu(pScsiReply->TaskTag),
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530546 le32_to_cpu(pScsiReply->TransferCount), sc->result);
Kashyap, Desai2f187862009-05-29 16:52:37 +0530547
Eric Moore29dd3602007-09-14 18:46:51 -0600548 printk(MYIOC_s_DEBUG_FMT "\tiocstatus = %s (0x%04x), "
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530549 "scsi_status = %s (0x%02x), scsi_state = (0x%02x)\n",
Eric Moore29dd3602007-09-14 18:46:51 -0600550 ioc->name, desc, ioc_status, desc1, pScsiReply->SCSIStatus,
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530551 pScsiReply->SCSIState);
552
553 if (pScsiReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) {
554 skey = sc->sense_buffer[2] & 0x0F;
555 asc = sc->sense_buffer[12];
556 ascq = sc->sense_buffer[13];
557
Eric Moore29dd3602007-09-14 18:46:51 -0600558 printk(MYIOC_s_DEBUG_FMT "\t[sense_key,asc,ascq]: "
559 "[0x%02x,0x%02x,0x%02x]\n", ioc->name, skey, asc, ascq);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530560 }
561
562 /*
563 * Look for + dump FCP ResponseInfo[]!
564 */
565 if (pScsiReply->SCSIState & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
566 pScsiReply->ResponseInfo)
Eric Moore29dd3602007-09-14 18:46:51 -0600567 printk(MYIOC_s_DEBUG_FMT "response_info = %08xh\n",
568 ioc->name, le32_to_cpu(pScsiReply->ResponseInfo));
Eric Moorec6c727a2007-01-29 09:44:54 -0700569}
570#endif
571
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
573/*
574 * mptscsih_io_done - Main SCSI IO callback routine registered to
575 * Fusion MPT (base) driver
576 * @ioc: Pointer to MPT_ADAPTER structure
577 * @mf: Pointer to original MPT request frame
578 * @r: Pointer to MPT reply frame (NULL if TurboReply)
579 *
580 * This routine is called from mpt.c::mpt_interrupt() at the completion
581 * of any SCSI IO request.
582 * This routine is registered with the Fusion MPT (base) driver at driver
583 * load/init time via the mpt_register() API call.
584 *
585 * Returns 1 indicating alloc'd request frame ptr should be freed.
586 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400587int
Linus Torvalds1da177e2005-04-16 15:20:36 -0700588mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
589{
590 struct scsi_cmnd *sc;
591 MPT_SCSI_HOST *hd;
592 SCSIIORequest_t *pScsiReq;
593 SCSIIOReply_t *pScsiReply;
Moore, Eric2254c862006-01-17 17:06:29 -0700594 u16 req_idx, req_idx_MR;
Eric Moorea69de502007-09-14 18:48:19 -0600595 VirtDevice *vdevice;
Eric Moore786899b2006-07-11 17:22:22 -0600596 VirtTarget *vtarget;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597
Eric Mooree7eae9f2007-09-29 10:15:59 -0600598 hd = shost_priv(ioc->sh);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700599 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
Moore, Eric2254c862006-01-17 17:06:29 -0700600 req_idx_MR = (mr != NULL) ?
601 le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
Kashyap, Desai2f187862009-05-29 16:52:37 +0530602
603 /* Special case, where already freed message frame is received from
604 * Firmware. It happens with Resetting IOC.
605 * Return immediately. Do not care
606 */
Moore, Eric2254c862006-01-17 17:06:29 -0700607 if ((req_idx != req_idx_MR) ||
Kashyap, Desai2f187862009-05-29 16:52:37 +0530608 (le32_to_cpu(mf->u.frame.linkage.arg1) == 0xdeadbeaf))
Moore, Eric2254c862006-01-17 17:06:29 -0700609 return 0;
Moore, Eric2254c862006-01-17 17:06:29 -0700610
Eric Mooree8206382007-09-29 10:16:53 -0600611 sc = mptscsih_getclear_scsi_lookup(ioc, req_idx);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700612 if (sc == NULL) {
613 MPIHeader_t *hdr = (MPIHeader_t *)mf;
614
615 /* Remark: writeSDP1 will use the ScsiDoneCtx
616 * If a SCSI I/O cmd, device disabled by OS and
617 * completion done. Cannot touch sc struct. Just free mem.
618 */
619 if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST)
620 printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n",
621 ioc->name);
622
623 mptscsih_freeChainBuffers(ioc, req_idx);
624 return 1;
625 }
626
Eric Moore3dc0b032006-07-11 17:32:33 -0600627 if ((unsigned char *)mf != sc->host_scribble) {
628 mptscsih_freeChainBuffers(ioc, req_idx);
629 return 1;
630 }
631
Kashyap, Desaifea98402009-09-02 11:45:53 +0530632 if (ioc->bus_type == SAS) {
633 VirtDevice *vdevice = sc->device->hostdata;
634
635 if (!vdevice || !vdevice->vtarget ||
636 vdevice->vtarget->deleted) {
637 sc->result = DID_NO_CONNECT << 16;
638 goto out;
639 }
640 }
641
Eric Moore3dc0b032006-07-11 17:32:33 -0600642 sc->host_scribble = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700643 sc->result = DID_OK << 16; /* Set default reply as OK */
644 pScsiReq = (SCSIIORequest_t *) mf;
645 pScsiReply = (SCSIIOReply_t *) mr;
646
Christoph Hellwigc6678e02005-08-18 16:24:53 +0200647 if((ioc->facts.MsgVersion >= MPI_VERSION_01_05) && pScsiReply){
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530648 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Christoph Hellwigc6678e02005-08-18 16:24:53 +0200649 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d,task-tag=%d)\n",
650 ioc->name, mf, mr, sc, req_idx, pScsiReply->TaskTag));
651 }else{
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530652 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Christoph Hellwigc6678e02005-08-18 16:24:53 +0200653 "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n",
654 ioc->name, mf, mr, sc, req_idx));
655 }
656
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 if (pScsiReply == NULL) {
658 /* special context reply handling */
659 ;
660 } else {
661 u32 xfer_cnt;
662 u16 status;
663 u8 scsi_state, scsi_status;
Eric Moorec6c727a2007-01-29 09:44:54 -0700664 u32 log_info;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700665
666 status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK;
667 scsi_state = pScsiReply->SCSIState;
668 scsi_status = pScsiReply->SCSIStatus;
669 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900670 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
Eric Moorec6c727a2007-01-29 09:44:54 -0700671 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600673 /*
674 * if we get a data underrun indication, yet no data was
675 * transferred and the SCSI status indicates that the
676 * command was never started, change the data underrun
677 * to success
678 */
679 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
680 (scsi_status == MPI_SCSI_STATUS_BUSY ||
681 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
682 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
683 status = MPI_IOCSTATUS_SUCCESS;
684 }
685
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400687 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
688
Linus Torvalds1da177e2005-04-16 15:20:36 -0700689 /*
690 * Look for + dump FCP ResponseInfo[]!
691 */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600692 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
693 pScsiReply->ResponseInfo) {
Eric Moore29dd3602007-09-14 18:46:51 -0600694 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%d] "
695 "FCP_ResponseInfo=%08xh\n", ioc->name,
Eric Moorec6c727a2007-01-29 09:44:54 -0700696 sc->device->host->host_no, sc->device->channel,
697 sc->device->id, sc->device->lun,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700698 le32_to_cpu(pScsiReply->ResponseInfo));
699 }
700
701 switch(status) {
702 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
Kashyap, Desaid23321b2009-08-05 12:51:25 +0530703 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700704 /* CHECKME!
705 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
706 * But not: DID_BUS_BUSY lest one risk
707 * killing interrupt handler:-(
708 */
709 sc->result = SAM_STAT_BUSY;
710 break;
711
712 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
713 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
714 sc->result = DID_BAD_TARGET << 16;
715 break;
716
717 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
718 /* Spoof to SCSI Selection Timeout! */
Moore, Eric65207fe2006-04-21 16:14:35 -0600719 if (ioc->bus_type != FC)
720 sc->result = DID_NO_CONNECT << 16;
721 /* else fibre, just stall until rescan event */
722 else
723 sc->result = DID_REQUEUE << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700724
725 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
726 hd->sel_timeout[pScsiReq->TargetID]++;
Eric Moore786899b2006-07-11 17:22:22 -0600727
Eric Moorea69de502007-09-14 18:48:19 -0600728 vdevice = sc->device->hostdata;
729 if (!vdevice)
Eric Moore786899b2006-07-11 17:22:22 -0600730 break;
Eric Moorea69de502007-09-14 18:48:19 -0600731 vtarget = vdevice->vtarget;
Eric Moore786899b2006-07-11 17:22:22 -0600732 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
733 mptscsih_issue_sep_command(ioc, vtarget,
734 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
735 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
736 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737 break;
738
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
Eric Moorebf451522006-07-11 17:25:35 -0600740 if ( ioc->bus_type == SAS ) {
741 u16 ioc_status = le16_to_cpu(pScsiReply->IOCStatus);
742 if (ioc_status & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
Eric Moorec6c727a2007-01-29 09:44:54 -0700743 if ((log_info & SAS_LOGINFO_MASK)
744 == SAS_LOGINFO_NEXUS_LOSS) {
Kashyap, Desai4d069562010-06-17 14:37:25 +0530745 sc->result =
746 (DID_TRANSPORT_DISRUPTED
747 << 16);
Eric Moorebf451522006-07-11 17:25:35 -0600748 break;
749 }
750 }
Eric Moore86dd4242007-01-04 20:44:01 -0700751 } else if (ioc->bus_type == FC) {
752 /*
753 * The FC IOC may kill a request for variety of
754 * reasons, some of which may be recovered by a
755 * retry, some which are unlikely to be
756 * recovered. Return DID_ERROR instead of
757 * DID_RESET to permit retry of the command,
758 * just not an infinite number of them
759 */
760 sc->result = DID_ERROR << 16;
761 break;
Eric Moorebf451522006-07-11 17:25:35 -0600762 }
763
764 /*
765 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
766 */
767
768 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769 /* Linux handles an unsolicited DID_RESET better
770 * than an unsolicited DID_ABORT.
771 */
772 sc->result = DID_RESET << 16;
773
Kashyap, Desai2f187862009-05-29 16:52:37 +0530774 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
775 if (ioc->bus_type == FC)
776 sc->result = DID_ERROR << 16;
777 else
778 sc->result = DID_RESET << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700779 break;
780
781 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900782 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600783 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
784 sc->result=DID_SOFT_ERROR << 16;
785 else /* Sufficient data transfer occurred */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700786 sc->result = (DID_OK << 16) | scsi_status;
Eric Moore29dd3602007-09-14 18:46:51 -0600787 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Eric Moorec6c727a2007-01-29 09:44:54 -0700788 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
Eric Moore29dd3602007-09-14 18:46:51 -0600789 ioc->name, sc->result, sc->device->channel, sc->device->id));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700790 break;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400791
Linus Torvalds1da177e2005-04-16 15:20:36 -0700792 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
793 /*
794 * Do upfront check for valid SenseData and give it
795 * precedence!
796 */
797 sc->result = (DID_OK << 16) | scsi_status;
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530798 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
799
800 /*
801 * For an Errata on LSI53C1030
802 * When the length of request data
803 * and transfer data are different
804 * with result of command (READ or VERIFY),
805 * DID_SOFT_ERROR is set.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806 */
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530807 if (ioc->bus_type == SPI) {
808 if (pScsiReq->CDB[0] == READ_6 ||
809 pScsiReq->CDB[0] == READ_10 ||
810 pScsiReq->CDB[0] == READ_12 ||
811 pScsiReq->CDB[0] == READ_16 ||
812 pScsiReq->CDB[0] == VERIFY ||
813 pScsiReq->CDB[0] == VERIFY_16) {
814 if (scsi_bufflen(sc) !=
815 xfer_cnt) {
816 sc->result =
817 DID_SOFT_ERROR << 16;
818 printk(KERN_WARNING "Errata"
819 "on LSI53C1030 occurred."
820 "sc->req_bufflen=0x%02x,"
821 "xfer_cnt=0x%02x\n",
822 scsi_bufflen(sc),
823 xfer_cnt);
824 }
825 }
826 }
827
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828 if (xfer_cnt < sc->underflow) {
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600829 if (scsi_status == SAM_STAT_BUSY)
830 sc->result = SAM_STAT_BUSY;
831 else
832 sc->result = DID_SOFT_ERROR << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700833 }
834 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
835 /* What to do?
836 */
837 sc->result = DID_SOFT_ERROR << 16;
838 }
839 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
840 /* Not real sure here either... */
841 sc->result = DID_RESET << 16;
842 }
843 }
844
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530845
Eric Moore29dd3602007-09-14 18:46:51 -0600846 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
847 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
848 ioc->name, sc->underflow));
849 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
850 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530851
Linus Torvalds1da177e2005-04-16 15:20:36 -0700852 /* Report Queue Full
853 */
854 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
855 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400856
Linus Torvalds1da177e2005-04-16 15:20:36 -0700857 break;
858
Moore, Eric7e551472006-01-16 18:53:21 -0700859 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900860 scsi_set_resid(sc, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700861 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
862 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
Eric Mooread8c31b2007-03-19 10:31:51 -0600863 sc->result = (DID_OK << 16) | scsi_status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700864 if (scsi_state == 0) {
865 ;
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530866 } else if (scsi_state &
867 MPI_SCSI_STATE_AUTOSENSE_VALID) {
868
869 /*
870 * For potential trouble on LSI53C1030.
871 * (date:2007.xx.)
872 * It is checked whether the length of
873 * request data is equal to
874 * the length of transfer and residual.
875 * MEDIUM_ERROR is set by incorrect data.
876 */
877 if ((ioc->bus_type == SPI) &&
878 (sc->sense_buffer[2] & 0x20)) {
879 u32 difftransfer;
880 difftransfer =
881 sc->sense_buffer[3] << 24 |
882 sc->sense_buffer[4] << 16 |
883 sc->sense_buffer[5] << 8 |
884 sc->sense_buffer[6];
885 if (((sc->sense_buffer[3] & 0x80) ==
886 0x80) && (scsi_bufflen(sc)
887 != xfer_cnt)) {
888 sc->sense_buffer[2] =
889 MEDIUM_ERROR;
890 sc->sense_buffer[12] = 0xff;
891 sc->sense_buffer[13] = 0xff;
892 printk(KERN_WARNING"Errata"
893 "on LSI53C1030 occurred."
894 "sc->req_bufflen=0x%02x,"
895 "xfer_cnt=0x%02x\n" ,
896 scsi_bufflen(sc),
897 xfer_cnt);
898 }
899 if (((sc->sense_buffer[3] & 0x80)
900 != 0x80) &&
901 (scsi_bufflen(sc) !=
902 xfer_cnt + difftransfer)) {
903 sc->sense_buffer[2] =
904 MEDIUM_ERROR;
905 sc->sense_buffer[12] = 0xff;
906 sc->sense_buffer[13] = 0xff;
907 printk(KERN_WARNING
908 "Errata on LSI53C1030 occurred"
909 "sc->req_bufflen=0x%02x,"
910 " xfer_cnt=0x%02x,"
911 "difftransfer=0x%02x\n",
912 scsi_bufflen(sc),
913 xfer_cnt,
914 difftransfer);
915 }
916 }
917
Linus Torvalds1da177e2005-04-16 15:20:36 -0700918 /*
919 * If running against circa 200003dd 909 MPT f/w,
920 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
921 * (QUEUE_FULL) returned from device! --> get 0x0000?128
922 * and with SenseBytes set to 0.
923 */
924 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
925 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
926
927 }
928 else if (scsi_state &
929 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
930 ) {
931 /*
932 * What to do?
933 */
934 sc->result = DID_SOFT_ERROR << 16;
935 }
936 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
937 /* Not real sure here either... */
938 sc->result = DID_RESET << 16;
939 }
940 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
941 /* Device Inq. data indicates that it supports
942 * QTags, but rejects QTag messages.
943 * This command completed OK.
944 *
945 * Not real sure here either so do nothing... */
946 }
947
948 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 /* Add handling of:
952 * Reservation Conflict, Busy,
953 * Command Terminated, CHECK
954 */
955 break;
956
957 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
958 sc->result = DID_SOFT_ERROR << 16;
959 break;
960
961 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
962 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
963 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
964 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700965 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
966 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700967 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
968 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
969 default:
970 /*
971 * What to do?
972 */
973 sc->result = DID_SOFT_ERROR << 16;
974 break;
975
976 } /* switch(status) */
977
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530978#ifdef CONFIG_FUSION_LOGGING
979 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
980 mptscsih_info_scsiio(ioc, sc, pScsiReply);
Eric Moorec6c727a2007-01-29 09:44:54 -0700981#endif
982
Linus Torvalds1da177e2005-04-16 15:20:36 -0700983 } /* end of address reply case */
Kashyap, Desaifea98402009-09-02 11:45:53 +0530984out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700985 /* Unmap the DMA buffers, if any. */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900986 scsi_dma_unmap(sc);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700987
Linus Torvalds1da177e2005-04-16 15:20:36 -0700988 sc->scsi_done(sc); /* Issue the command callback */
989
990 /* Free Chain buffers */
991 mptscsih_freeChainBuffers(ioc, req_idx);
992 return 1;
993}
994
Linus Torvalds1da177e2005-04-16 15:20:36 -0700995/*
996 * mptscsih_flush_running_cmds - For each command found, search
997 * Scsi_Host instance taskQ and reply to OS.
998 * Called only if recovering from a FW reload.
999 * @hd: Pointer to a SCSI HOST structure
1000 *
1001 * Returns: None.
1002 *
1003 * Must be called while new I/Os are being queued.
1004 */
1005static void
1006mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1007{
1008 MPT_ADAPTER *ioc = hd->ioc;
Eric Mooree8206382007-09-29 10:16:53 -06001009 struct scsi_cmnd *sc;
1010 SCSIIORequest_t *mf = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011 int ii;
Eric Mooree8206382007-09-29 10:16:53 -06001012 int channel, id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013
Eric Mooree8206382007-09-29 10:16:53 -06001014 for (ii= 0; ii < ioc->req_depth; ii++) {
1015 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1016 if (!sc)
1017 continue;
1018 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1019 if (!mf)
1020 continue;
1021 channel = mf->Bus;
1022 id = mf->TargetID;
1023 mptscsih_freeChainBuffers(ioc, ii);
1024 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1025 if ((unsigned char *)mf != sc->host_scribble)
1026 continue;
1027 scsi_dma_unmap(sc);
1028 sc->result = DID_RESET << 16;
1029 sc->host_scribble = NULL;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301030 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1031 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1032 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
Eric Mooree8206382007-09-29 10:16:53 -06001033 sc->scsi_done(sc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001034 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001035}
1036
1037/*
1038 * mptscsih_search_running_cmds - Delete any commands associated
1039 * with the specified target and lun. Function called only
1040 * when a lun is disable by mid-layer.
1041 * Do NOT access the referenced scsi_cmnd structure or
1042 * members. Will cause either a paging or NULL ptr error.
Michael Reed05e8ec12006-01-13 14:31:54 -06001043 * (BUT, BUT, BUT, the code does reference it! - mdr)
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07001044 * @hd: Pointer to a SCSI HOST structure
1045 * @vdevice: per device private data
Linus Torvalds1da177e2005-04-16 15:20:36 -07001046 *
1047 * Returns: None.
1048 *
1049 * Called from slave_destroy.
1050 */
1051static void
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07001052mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001053{
1054 SCSIIORequest_t *mf = NULL;
1055 int ii;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001056 struct scsi_cmnd *sc;
Eric Moore793955f2007-01-29 09:42:20 -07001057 struct scsi_lun lun;
Eric Mooree80b0022007-09-14 18:49:03 -06001058 MPT_ADAPTER *ioc = hd->ioc;
Eric Mooree8206382007-09-29 10:16:53 -06001059 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001060
Eric Mooree8206382007-09-29 10:16:53 -06001061 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1062 for (ii = 0; ii < ioc->req_depth; ii++) {
1063 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001064
Eric Mooree80b0022007-09-14 18:49:03 -06001065 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
Eric Moore3dc0b032006-07-11 17:32:33 -06001066 if (mf == NULL)
1067 continue;
Eric Moorecc78d302007-06-15 17:27:21 -06001068 /* If the device is a hidden raid component, then its
1069 * expected that the mf->function will be RAID_SCSI_IO
1070 */
1071 if (vdevice->vtarget->tflags &
1072 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1073 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1074 continue;
1075
Eric Moore793955f2007-01-29 09:42:20 -07001076 int_to_scsilun(vdevice->lun, &lun);
1077 if ((mf->Bus != vdevice->vtarget->channel) ||
1078 (mf->TargetID != vdevice->vtarget->id) ||
1079 memcmp(lun.scsi_lun, mf->LUN, 8))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001080 continue;
1081
Eric Moore3dc0b032006-07-11 17:32:33 -06001082 if ((unsigned char *)mf != sc->host_scribble)
1083 continue;
Eric Mooree8206382007-09-29 10:16:53 -06001084 ioc->ScsiLookup[ii] = NULL;
1085 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1086 mptscsih_freeChainBuffers(ioc, ii);
1087 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001088 scsi_dma_unmap(sc);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001089 sc->host_scribble = NULL;
1090 sc->result = DID_NO_CONNECT << 16;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301091 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1092 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1093 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1094 vdevice->vtarget->channel, vdevice->vtarget->id,
1095 sc, mf, ii));
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001096 sc->scsi_done(sc);
Eric Mooree8206382007-09-29 10:16:53 -06001097 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098 }
1099 }
Eric Mooree8206382007-09-29 10:16:53 -06001100 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101 return;
1102}
1103
1104/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105
1106/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1107/*
1108 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1109 * from a SCSI target device.
1110 * @sc: Pointer to scsi_cmnd structure
1111 * @pScsiReply: Pointer to SCSIIOReply_t
1112 * @pScsiReq: Pointer to original SCSI request
1113 *
1114 * This routine periodically reports QUEUE_FULL status returned from a
1115 * SCSI target device. It reports this to the console via kernel
1116 * printk() API call, not more than once every 10 seconds.
1117 */
1118static void
1119mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1120{
1121 long time = jiffies;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001122 MPT_SCSI_HOST *hd;
Eric Mooree80b0022007-09-14 18:49:03 -06001123 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001124
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001125 if (sc->device == NULL)
1126 return;
1127 if (sc->device->host == NULL)
1128 return;
Eric Mooree7eae9f2007-09-29 10:15:59 -06001129 if ((hd = shost_priv(sc->device->host)) == NULL)
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001130 return;
Eric Mooree80b0022007-09-14 18:49:03 -06001131 ioc = hd->ioc;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001132 if (time - hd->last_queue_full > 10 * HZ) {
Eric Mooree80b0022007-09-14 18:49:03 -06001133 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n",
1134 ioc->name, 0, sc->device->id, sc->device->lun));
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001135 hd->last_queue_full = time;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001136 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001137}
1138
1139/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1140/*
1141 * mptscsih_remove - Removed scsi devices
1142 * @pdev: Pointer to pci_dev structure
1143 *
1144 *
1145 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001146void
Linus Torvalds1da177e2005-04-16 15:20:36 -07001147mptscsih_remove(struct pci_dev *pdev)
1148{
1149 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1150 struct Scsi_Host *host = ioc->sh;
1151 MPT_SCSI_HOST *hd;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001152 int sz1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001153
Linus Torvalds1da177e2005-04-16 15:20:36 -07001154 scsi_remove_host(host);
1155
Eric Mooree7eae9f2007-09-29 10:15:59 -06001156 if((hd = shost_priv(host)) == NULL)
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001157 return;
1158
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001159 mptscsih_shutdown(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001160
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001161 sz1=0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001162
Eric Mooree8206382007-09-29 10:16:53 -06001163 if (ioc->ScsiLookup != NULL) {
Eric Mooree80b0022007-09-14 18:49:03 -06001164 sz1 = ioc->req_depth * sizeof(void *);
Eric Mooree8206382007-09-29 10:16:53 -06001165 kfree(ioc->ScsiLookup);
1166 ioc->ScsiLookup = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001167 }
1168
Eric Mooree80b0022007-09-14 18:49:03 -06001169 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001170 "Free'd ScsiLookup (%d) memory\n",
Eric Mooree80b0022007-09-14 18:49:03 -06001171 ioc->name, sz1));
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001172
Moore, Eric Dean d485eb82005-05-11 17:37:26 -06001173 kfree(hd->info_kbuf);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001174
1175 /* NULL the Scsi_Host pointer
1176 */
Eric Mooree80b0022007-09-14 18:49:03 -06001177 ioc->sh = NULL;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001178
1179 scsi_host_put(host);
1180
1181 mpt_detach(pdev);
Christoph Hellwigc6678e02005-08-18 16:24:53 +02001182
Linus Torvalds1da177e2005-04-16 15:20:36 -07001183}
1184
1185/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1186/*
1187 * mptscsih_shutdown - reboot notifier
1188 *
1189 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001190void
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001191mptscsih_shutdown(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001192{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001193}
1194
1195#ifdef CONFIG_PM
1196/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1197/*
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001198 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001199 *
1200 *
1201 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001202int
Pavel Machek8d189f72005-04-16 15:25:28 -07001203mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001204{
Prakash, Sathya4d4109d2008-03-07 16:19:50 +05301205 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1206
1207 scsi_block_requests(ioc->sh);
1208 flush_scheduled_work();
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001209 mptscsih_shutdown(pdev);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001210 return mpt_suspend(pdev,state);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001211}
1212
1213/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1214/*
1215 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1216 *
1217 *
1218 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001219int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001220mptscsih_resume(struct pci_dev *pdev)
1221{
Prakash, Sathya4d4109d2008-03-07 16:19:50 +05301222 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1223 int rc;
1224
1225 rc = mpt_resume(pdev);
1226 scsi_unblock_requests(ioc->sh);
1227 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001228}
1229
1230#endif
1231
Linus Torvalds1da177e2005-04-16 15:20:36 -07001232/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1233/**
1234 * mptscsih_info - Return information about MPT adapter
1235 * @SChost: Pointer to Scsi_Host structure
1236 *
1237 * (linux scsi_host_template.info routine)
1238 *
1239 * Returns pointer to buffer where information was written.
1240 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001241const char *
Linus Torvalds1da177e2005-04-16 15:20:36 -07001242mptscsih_info(struct Scsi_Host *SChost)
1243{
1244 MPT_SCSI_HOST *h;
1245 int size = 0;
1246
Eric Mooree7eae9f2007-09-29 10:15:59 -06001247 h = shost_priv(SChost);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001248
Linus Torvalds1da177e2005-04-16 15:20:36 -07001249 if (h) {
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001250 if (h->info_kbuf == NULL)
1251 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1252 return h->info_kbuf;
1253 h->info_kbuf[0] = '\0';
1254
1255 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1256 h->info_kbuf[size-1] = '\0';
Linus Torvalds1da177e2005-04-16 15:20:36 -07001257 }
1258
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001259 return h->info_kbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001260}
1261
1262struct info_str {
1263 char *buffer;
1264 int length;
1265 int offset;
1266 int pos;
1267};
1268
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001269static void
1270mptscsih_copy_mem_info(struct info_str *info, char *data, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001271{
1272 if (info->pos + len > info->length)
1273 len = info->length - info->pos;
1274
1275 if (info->pos + len < info->offset) {
1276 info->pos += len;
1277 return;
1278 }
1279
1280 if (info->pos < info->offset) {
1281 data += (info->offset - info->pos);
1282 len -= (info->offset - info->pos);
1283 }
1284
1285 if (len > 0) {
1286 memcpy(info->buffer + info->pos, data, len);
1287 info->pos += len;
1288 }
1289}
1290
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001291static int
1292mptscsih_copy_info(struct info_str *info, char *fmt, ...)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001293{
1294 va_list args;
1295 char buf[81];
1296 int len;
1297
1298 va_start(args, fmt);
1299 len = vsprintf(buf, fmt, args);
1300 va_end(args);
1301
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001302 mptscsih_copy_mem_info(info, buf, len);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001303 return len;
1304}
1305
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001306static int
1307mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001308{
1309 struct info_str info;
1310
1311 info.buffer = pbuf;
1312 info.length = len;
1313 info.offset = offset;
1314 info.pos = 0;
1315
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001316 mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name);
1317 mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1318 mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts);
1319 mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001320
1321 return ((info.pos > info.offset) ? info.pos - info.offset : 0);
1322}
1323
1324/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1325/**
1326 * mptscsih_proc_info - Return information about MPT adapter
Randy Dunlapd9489fb2006-12-06 20:38:43 -08001327 * @host: scsi host struct
1328 * @buffer: if write, user data; if read, buffer for user
1329 * @start: returns the buffer address
1330 * @offset: if write, 0; if read, the current offset into the buffer from
1331 * the previous read.
1332 * @length: if write, return length;
1333 * @func: write = 1; read = 0
Linus Torvalds1da177e2005-04-16 15:20:36 -07001334 *
1335 * (linux scsi_host_template.info routine)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001336 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001337int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
1339 int length, int func)
1340{
Eric Mooree7eae9f2007-09-29 10:15:59 -06001341 MPT_SCSI_HOST *hd = shost_priv(host);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342 MPT_ADAPTER *ioc = hd->ioc;
1343 int size = 0;
1344
1345 if (func) {
Christoph Hellwigc6678e02005-08-18 16:24:53 +02001346 /*
1347 * write is not supported
Linus Torvalds1da177e2005-04-16 15:20:36 -07001348 */
1349 } else {
1350 if (start)
1351 *start = buffer;
1352
1353 size = mptscsih_host_info(ioc, buffer, offset, length);
1354 }
1355
1356 return size;
1357}
1358
1359/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1360#define ADD_INDEX_LOG(req_ent) do { } while(0)
1361
1362/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1363/**
1364 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1365 * @SCpnt: Pointer to scsi_cmnd structure
1366 * @done: Pointer SCSI mid-layer IO completion function
1367 *
1368 * (linux scsi_host_template.queuecommand routine)
1369 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1370 * from a linux scsi_cmnd request and send it to the IOC.
1371 *
1372 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1373 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001374int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001375mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
1376{
1377 MPT_SCSI_HOST *hd;
1378 MPT_FRAME_HDR *mf;
1379 SCSIIORequest_t *pScsiReq;
Eric Moorea69de502007-09-14 18:48:19 -06001380 VirtDevice *vdevice = SCpnt->device->hostdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001381 u32 datalen;
1382 u32 scsictl;
1383 u32 scsidir;
1384 u32 cmd_len;
1385 int my_idx;
1386 int ii;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301387 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001388
Eric Mooree7eae9f2007-09-29 10:15:59 -06001389 hd = shost_priv(SCpnt->device->host);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301390 ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001391 SCpnt->scsi_done = done;
1392
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301393 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p, done()=%p\n",
1394 ioc->name, SCpnt, done));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001395
Kashyap, Desaie7deff32009-05-29 16:46:07 +05301396 if (ioc->taskmgmt_quiesce_io) {
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301397 dtmprintk(ioc, printk(MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n",
1398 ioc->name, SCpnt));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001399 return SCSI_MLQUEUE_HOST_BUSY;
1400 }
1401
1402 /*
1403 * Put together a MPT SCSI request...
1404 */
Eric Mooree80b0022007-09-14 18:49:03 -06001405 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301406 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1407 ioc->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001408 return SCSI_MLQUEUE_HOST_BUSY;
1409 }
1410
1411 pScsiReq = (SCSIIORequest_t *) mf;
1412
1413 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1414
1415 ADD_INDEX_LOG(my_idx);
1416
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001417 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
Linus Torvalds1da177e2005-04-16 15:20:36 -07001418 * Seems we may receive a buffer (datalen>0) even when there
1419 * will be no data transfer! GRRRRR...
1420 */
1421 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001422 datalen = scsi_bufflen(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001423 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1424 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001425 datalen = scsi_bufflen(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001426 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1427 } else {
1428 datalen = 0;
1429 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1430 }
1431
1432 /* Default to untagged. Once a target structure has been allocated,
1433 * use the Inquiry data to determine if device supports tagged.
1434 */
Eric Moorea69de502007-09-14 18:48:19 -06001435 if (vdevice
1436 && (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001437 && (SCpnt->device->tagged_supported)) {
1438 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
Kashyap, Desai65f89c22009-12-16 19:01:13 +05301439 if (SCpnt->request && SCpnt->request->ioprio) {
1440 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1441 !(SCpnt->request->ioprio & 0x7))
1442 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1443 }
1444 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07001445 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
Kashyap, Desai65f89c22009-12-16 19:01:13 +05301446
Linus Torvalds1da177e2005-04-16 15:20:36 -07001447
1448 /* Use the above information to set up the message frame
1449 */
Eric Moorea69de502007-09-14 18:48:19 -06001450 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1451 pScsiReq->Bus = vdevice->vtarget->channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001452 pScsiReq->ChainOffset = 0;
Eric Moorea69de502007-09-14 18:48:19 -06001453 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
James Bottomleyc92f2222006-03-01 09:02:49 -06001454 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1455 else
1456 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001457 pScsiReq->CDBLength = SCpnt->cmd_len;
1458 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1459 pScsiReq->Reserved = 0;
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301460 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
Eric Moore793955f2007-01-29 09:42:20 -07001461 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001462 pScsiReq->Control = cpu_to_le32(scsictl);
1463
1464 /*
1465 * Write SCSI CDB into the message
1466 */
1467 cmd_len = SCpnt->cmd_len;
1468 for (ii=0; ii < cmd_len; ii++)
1469 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1470
1471 for (ii=cmd_len; ii < 16; ii++)
1472 pScsiReq->CDB[ii] = 0;
1473
1474 /* DataLength */
1475 pScsiReq->DataLength = cpu_to_le32(datalen);
1476
1477 /* SenseBuffer low address */
Eric Mooree80b0022007-09-14 18:49:03 -06001478 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
Linus Torvalds1da177e2005-04-16 15:20:36 -07001479 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1480
1481 /* Now add the SG list
1482 * Always have a SGE even if null length.
1483 */
1484 if (datalen == 0) {
1485 /* Add a NULL SGE */
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301486 ioc->add_sge((char *)&pScsiReq->SGL,
1487 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001488 (dma_addr_t) -1);
1489 } else {
1490 /* Add a 32 or 64 bit SGE */
Eric Mooree80b0022007-09-14 18:49:03 -06001491 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001492 goto fail;
1493 }
1494
Eric Moore3dc0b032006-07-11 17:32:33 -06001495 SCpnt->host_scribble = (unsigned char *)mf;
Eric Mooree8206382007-09-29 10:16:53 -06001496 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001497
Eric Mooree80b0022007-09-14 18:49:03 -06001498 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301499 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1500 ioc->name, SCpnt, mf, my_idx));
Eric Moore29dd3602007-09-14 18:46:51 -06001501 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001502 return 0;
1503
1504 fail:
Eric Mooree80b0022007-09-14 18:49:03 -06001505 mptscsih_freeChainBuffers(ioc, my_idx);
1506 mpt_free_msg_frame(ioc, mf);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001507 return SCSI_MLQUEUE_HOST_BUSY;
1508}
1509
1510/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1511/*
1512 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1513 * with a SCSI IO request
1514 * @hd: Pointer to the MPT_SCSI_HOST instance
1515 * @req_idx: Index of the SCSI IO request frame.
1516 *
1517 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1518 * No return.
1519 */
1520static void
1521mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1522{
1523 MPT_FRAME_HDR *chain;
1524 unsigned long flags;
1525 int chain_idx;
1526 int next;
1527
1528 /* Get the first chain index and reset
1529 * tracker state.
1530 */
1531 chain_idx = ioc->ReqToChain[req_idx];
1532 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1533
1534 while (chain_idx != MPT_HOST_NO_CHAIN) {
1535
1536 /* Save the next chain buffer index */
1537 next = ioc->ChainToChain[chain_idx];
1538
1539 /* Free this chain buffer and reset
1540 * tracker
1541 */
1542 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1543
1544 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1545 + (chain_idx * ioc->req_sz));
1546
1547 spin_lock_irqsave(&ioc->FreeQlock, flags);
1548 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1549 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1550
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301551 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001552 ioc->name, chain_idx));
1553
1554 /* handle next */
1555 chain_idx = next;
1556 }
1557 return;
1558}
1559
1560/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1561/*
1562 * Reset Handling
1563 */
1564
1565/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Eric Moorecd2c6192007-01-29 09:47:47 -07001566/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001567 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1568 * @hd: Pointer to MPT_SCSI_HOST structure
1569 * @type: Task Management type
Randy Dunlap1544d672007-02-20 11:17:03 -08001570 * @channel: channel number for task management
Eric Moore793955f2007-01-29 09:42:20 -07001571 * @id: Logical Target ID for reset (if appropriate)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001572 * @lun: Logical Unit for reset (if appropriate)
1573 * @ctx2abort: Context for the task to be aborted (if appropriate)
Randy Dunlap1544d672007-02-20 11:17:03 -08001574 * @timeout: timeout for task management control
Linus Torvalds1da177e2005-04-16 15:20:36 -07001575 *
1576 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1577 * or a non-interrupt thread. In the former, must not call schedule().
1578 *
1579 * Not all fields are meaningfull for all task types.
1580 *
Eric Moorecd2c6192007-01-29 09:47:47 -07001581 * Returns 0 for SUCCESS, or FAILED.
1582 *
1583 **/
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301584int
1585mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun,
1586 int ctx2abort, ulong timeout)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001587{
1588 MPT_FRAME_HDR *mf;
1589 SCSITaskMgmt_t *pScsiTm;
1590 int ii;
1591 int retval;
Eric Mooree80b0022007-09-14 18:49:03 -06001592 MPT_ADAPTER *ioc = hd->ioc;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301593 unsigned long timeleft;
1594 u8 issue_hard_reset;
1595 u32 ioc_raw_state;
1596 unsigned long time_count;
1597
1598 issue_hard_reset = 0;
1599 ioc_raw_state = mpt_GetIocState(ioc, 0);
1600
1601 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1602 printk(MYIOC_s_WARN_FMT
1603 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1604 ioc->name, type, ioc_raw_state);
1605 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1606 ioc->name, __func__);
1607 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1608 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1609 "FAILED!!\n", ioc->name);
1610 return 0;
1611 }
1612
1613 if (ioc_raw_state & MPI_DOORBELL_ACTIVE) {
1614 printk(MYIOC_s_WARN_FMT
1615 "TaskMgmt type=%x: ioc_state: "
1616 "DOORBELL_ACTIVE (0x%x)!\n",
1617 ioc->name, type, ioc_raw_state);
1618 return FAILED;
1619 }
1620
1621 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1622 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1623 mf = NULL;
1624 retval = FAILED;
1625 goto out;
1626 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001627
1628 /* Return Fail to calling function if no message frames available.
1629 */
Eric Mooree80b0022007-09-14 18:49:03 -06001630 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301631 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1632 "TaskMgmt no msg frames!!\n", ioc->name));
1633 retval = FAILED;
1634 mpt_clear_taskmgmt_in_progress_flag(ioc);
1635 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001636 }
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301637 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
Eric Mooree80b0022007-09-14 18:49:03 -06001638 ioc->name, mf));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001639
1640 /* Format the Request
1641 */
1642 pScsiTm = (SCSITaskMgmt_t *) mf;
Eric Moore793955f2007-01-29 09:42:20 -07001643 pScsiTm->TargetID = id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001644 pScsiTm->Bus = channel;
1645 pScsiTm->ChainOffset = 0;
1646 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1647
1648 pScsiTm->Reserved = 0;
1649 pScsiTm->TaskType = type;
1650 pScsiTm->Reserved1 = 0;
1651 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1652 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1653
Eric Moore793955f2007-01-29 09:42:20 -07001654 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001655
1656 for (ii=0; ii < 7; ii++)
1657 pScsiTm->Reserved2[ii] = 0;
1658
1659 pScsiTm->TaskMsgContext = ctx2abort;
1660
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301661 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1662 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1663 type, timeout));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001664
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301665 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001666
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301667 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1668 time_count = jiffies;
Eric Mooree80b0022007-09-14 18:49:03 -06001669 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1670 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1671 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
Prakash, Sathya7a195f42007-08-14 16:08:40 +05301672 else {
Eric Mooree80b0022007-09-14 18:49:03 -06001673 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
Prakash, Sathya7a195f42007-08-14 16:08:40 +05301674 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1675 if (retval) {
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301676 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1677 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1678 ioc->name, mf, retval));
1679 mpt_free_msg_frame(ioc, mf);
1680 mpt_clear_taskmgmt_in_progress_flag(ioc);
1681 goto out;
Prakash, Sathya7a195f42007-08-14 16:08:40 +05301682 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001683 }
1684
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301685 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1686 timeout*HZ);
1687 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1688 retval = FAILED;
1689 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1690 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1691 mpt_clear_taskmgmt_in_progress_flag(ioc);
1692 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1693 goto out;
1694 issue_hard_reset = 1;
1695 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001696 }
1697
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301698 retval = mptscsih_taskmgmt_reply(ioc, type,
1699 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
Eric Moorecd2c6192007-01-29 09:47:47 -07001700
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301701 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1702 "TaskMgmt completed (%d seconds)\n",
1703 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1704
1705 out:
1706
1707 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1708 if (issue_hard_reset) {
1709 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
1710 ioc->name, __func__);
Kashyap, Desaid0f698c2010-03-18 19:12:17 +05301711 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301712 mpt_free_msg_frame(ioc, mf);
1713 }
1714
1715 retval = (retval == 0) ? 0 : FAILED;
1716 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001717 return retval;
1718}
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301719EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001720
Christoph Hellwigd66c7a02006-01-17 13:43:14 +00001721static int
1722mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1723{
1724 switch (ioc->bus_type) {
1725 case FC:
1726 return 40;
1727 case SAS:
Kashyap, Desai69b2e9b2010-03-18 19:23:19 +05301728 return 30;
Christoph Hellwigd66c7a02006-01-17 13:43:14 +00001729 case SPI:
1730 default:
Bernd Schubert22ab0192008-09-23 15:28:58 +02001731 return 10;
Christoph Hellwigd66c7a02006-01-17 13:43:14 +00001732 }
1733}
1734
Linus Torvalds1da177e2005-04-16 15:20:36 -07001735/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1736/**
1737 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1738 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1739 *
1740 * (linux scsi_host_template.eh_abort_handler routine)
1741 *
1742 * Returns SUCCESS or FAILED.
Eric Moorecd2c6192007-01-29 09:47:47 -07001743 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001744int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001745mptscsih_abort(struct scsi_cmnd * SCpnt)
1746{
1747 MPT_SCSI_HOST *hd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001748 MPT_FRAME_HDR *mf;
1749 u32 ctx2abort;
1750 int scpnt_idx;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001751 int retval;
Eric Moore958d4a32007-06-15 17:24:14 -06001752 VirtDevice *vdevice;
Eric Moore3dc0b032006-07-11 17:32:33 -06001753 ulong sn = SCpnt->serial_number;
Eric Moore958d4a32007-06-15 17:24:14 -06001754 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001755
1756 /* If we can't locate our host adapter structure, return FAILED status.
1757 */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001758 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001759 SCpnt->result = DID_RESET << 16;
1760 SCpnt->scsi_done(SCpnt);
Eric Moore29dd3602007-09-14 18:46:51 -06001761 printk(KERN_ERR MYNAM ": task abort: "
1762 "can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001763 return FAILED;
1764 }
1765
Eric Moore958d4a32007-06-15 17:24:14 -06001766 ioc = hd->ioc;
1767 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1768 ioc->name, SCpnt);
1769 scsi_print_command(SCpnt);
1770
1771 vdevice = SCpnt->device->hostdata;
1772 if (!vdevice || !vdevice->vtarget) {
Eric Moore29dd3602007-09-14 18:46:51 -06001773 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1774 "task abort: device has been deleted (sc=%p)\n",
1775 ioc->name, SCpnt));
Eric Moore958d4a32007-06-15 17:24:14 -06001776 SCpnt->result = DID_NO_CONNECT << 16;
1777 SCpnt->scsi_done(SCpnt);
Kashyap, Desai69b2e9b2010-03-18 19:23:19 +05301778 retval = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001779 goto out;
1780 }
1781
Eric Moorecc78d302007-06-15 17:27:21 -06001782 /* Task aborts are not supported for hidden raid components.
1783 */
1784 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
Eric Moore29dd3602007-09-14 18:46:51 -06001785 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1786 "task abort: hidden raid component (sc=%p)\n",
1787 ioc->name, SCpnt));
Eric Moorecc78d302007-06-15 17:27:21 -06001788 SCpnt->result = DID_RESET << 16;
1789 retval = FAILED;
1790 goto out;
1791 }
1792
Kashyap, Desai69b2e9b2010-03-18 19:23:19 +05301793 /* Task aborts are not supported for volumes.
1794 */
1795 if (vdevice->vtarget->raidVolume) {
1796 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1797 "task abort: raid volume (sc=%p)\n",
1798 ioc->name, SCpnt));
1799 SCpnt->result = DID_RESET << 16;
1800 retval = FAILED;
1801 goto out;
1802 }
1803
Linus Torvalds1da177e2005-04-16 15:20:36 -07001804 /* Find this command
1805 */
Eric Mooree8206382007-09-29 10:16:53 -06001806 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001807 /* Cmd not found in ScsiLookup.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001808 * Do OS callback.
1809 */
1810 SCpnt->result = DID_RESET << 16;
Eric Moore29dd3602007-09-14 18:46:51 -06001811 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
Eric Moore958d4a32007-06-15 17:24:14 -06001812 "Command not in the active list! (sc=%p)\n", ioc->name,
1813 SCpnt));
Kashyap, Desai9858ae32010-01-25 16:20:52 +05301814 retval = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001815 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001816 }
1817
Kashyap, Desai2f187862009-05-29 16:52:37 +05301818 if (ioc->timeouts < -1)
1819 ioc->timeouts++;
Moore, Eric65207fe2006-04-21 16:14:35 -06001820
Kashyap, Desai2f4c7822009-01-06 15:03:37 +05301821 if (mpt_fwfault_debug)
1822 mpt_halt_firmware(ioc);
1823
Linus Torvalds1da177e2005-04-16 15:20:36 -07001824 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1825 * (the IO to be ABORT'd)
1826 *
1827 * NOTE: Since we do not byteswap MsgContext, we do not
1828 * swap it here either. It is an opaque cookie to
1829 * the controller, so it does not matter. -DaveM
1830 */
Eric Mooree80b0022007-09-14 18:49:03 -06001831 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001832 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301833 retval = mptscsih_IssueTaskMgmt(hd,
1834 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1835 vdevice->vtarget->channel,
1836 vdevice->vtarget->id, vdevice->lun,
1837 ctx2abort, mptscsih_get_tm_timeout(ioc));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001838
Eric Mooree8206382007-09-29 10:16:53 -06001839 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx &&
Kashyap, Desai2f187862009-05-29 16:52:37 +05301840 SCpnt->serial_number == sn) {
1841 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1842 "task abort: command still in active list! (sc=%p)\n",
1843 ioc->name, SCpnt));
Eric Moore3dc0b032006-07-11 17:32:33 -06001844 retval = FAILED;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301845 } else {
1846 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1847 "task abort: command cleared from active list! (sc=%p)\n",
1848 ioc->name, SCpnt));
1849 retval = SUCCESS;
1850 }
Eric Moore3dc0b032006-07-11 17:32:33 -06001851
Eric Moore958d4a32007-06-15 17:24:14 -06001852 out:
1853 printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
Kashyap, Desai2f187862009-05-29 16:52:37 +05301854 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001855
Kashyap, Desai2f187862009-05-29 16:52:37 +05301856 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001857}
1858
1859/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1860/**
1861 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1862 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1863 *
1864 * (linux scsi_host_template.eh_dev_reset_handler routine)
1865 *
1866 * Returns SUCCESS or FAILED.
Eric Moorecd2c6192007-01-29 09:47:47 -07001867 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001868int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001869mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1870{
1871 MPT_SCSI_HOST *hd;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001872 int retval;
Eric Moore958d4a32007-06-15 17:24:14 -06001873 VirtDevice *vdevice;
1874 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001875
1876 /* If we can't locate our host adapter structure, return FAILED status.
1877 */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001878 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
Eric Moore29dd3602007-09-14 18:46:51 -06001879 printk(KERN_ERR MYNAM ": target reset: "
1880 "Can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001881 return FAILED;
1882 }
1883
Eric Moore958d4a32007-06-15 17:24:14 -06001884 ioc = hd->ioc;
1885 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1886 ioc->name, SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001887 scsi_print_command(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001888
Eric Moore958d4a32007-06-15 17:24:14 -06001889 vdevice = SCpnt->device->hostdata;
1890 if (!vdevice || !vdevice->vtarget) {
Kashyap, Desai2f187862009-05-29 16:52:37 +05301891 retval = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001892 goto out;
1893 }
1894
Eric Moorecc78d302007-06-15 17:27:21 -06001895 /* Target reset to hidden raid component is not supported
1896 */
1897 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1898 retval = FAILED;
1899 goto out;
1900 }
1901
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301902 retval = mptscsih_IssueTaskMgmt(hd,
1903 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1904 vdevice->vtarget->channel,
1905 vdevice->vtarget->id, 0, 0,
1906 mptscsih_get_tm_timeout(ioc));
Eric Moore958d4a32007-06-15 17:24:14 -06001907
1908 out:
1909 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1910 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001911
1912 if (retval == 0)
1913 return SUCCESS;
Eric Moorecd2c6192007-01-29 09:47:47 -07001914 else
1915 return FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001916}
1917
Eric Moorecd2c6192007-01-29 09:47:47 -07001918
Linus Torvalds1da177e2005-04-16 15:20:36 -07001919/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1920/**
1921 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1922 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1923 *
1924 * (linux scsi_host_template.eh_bus_reset_handler routine)
1925 *
1926 * Returns SUCCESS or FAILED.
Eric Moorecd2c6192007-01-29 09:47:47 -07001927 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001928int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001929mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1930{
1931 MPT_SCSI_HOST *hd;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001932 int retval;
Eric Moorea69de502007-09-14 18:48:19 -06001933 VirtDevice *vdevice;
Eric Moore958d4a32007-06-15 17:24:14 -06001934 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001935
1936 /* If we can't locate our host adapter structure, return FAILED status.
1937 */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001938 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
Eric Moore29dd3602007-09-14 18:46:51 -06001939 printk(KERN_ERR MYNAM ": bus reset: "
1940 "Can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001941 return FAILED;
1942 }
1943
Eric Moore958d4a32007-06-15 17:24:14 -06001944 ioc = hd->ioc;
1945 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1946 ioc->name, SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001947 scsi_print_command(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001948
Kashyap, Desai2f187862009-05-29 16:52:37 +05301949 if (ioc->timeouts < -1)
1950 ioc->timeouts++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001951
Eric Moorea69de502007-09-14 18:48:19 -06001952 vdevice = SCpnt->device->hostdata;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301953 if (!vdevice || !vdevice->vtarget)
1954 return SUCCESS;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301955 retval = mptscsih_IssueTaskMgmt(hd,
1956 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1957 vdevice->vtarget->channel, 0, 0, 0,
1958 mptscsih_get_tm_timeout(ioc));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001959
Eric Moore958d4a32007-06-15 17:24:14 -06001960 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1961 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001962
1963 if (retval == 0)
1964 return SUCCESS;
Eric Moorecd2c6192007-01-29 09:47:47 -07001965 else
1966 return FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001967}
1968
1969/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1970/**
Randy Dunlapd9489fb2006-12-06 20:38:43 -08001971 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001972 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1973 *
1974 * (linux scsi_host_template.eh_host_reset_handler routine)
1975 *
1976 * Returns SUCCESS or FAILED.
1977 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001978int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001979mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1980{
1981 MPT_SCSI_HOST * hd;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301982 int status = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001983 MPT_ADAPTER *ioc;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301984 int retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001985
1986 /* If we can't locate the host to reset, then we failed. */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001987 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
Eric Moore29dd3602007-09-14 18:46:51 -06001988 printk(KERN_ERR MYNAM ": host reset: "
1989 "Can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001990 return FAILED;
1991 }
1992
James Bottomleya6da74c2008-12-15 14:13:27 -06001993 /* make sure we have no outstanding commands at this stage */
1994 mptscsih_flush_running_cmds(hd);
1995
Eric Moore958d4a32007-06-15 17:24:14 -06001996 ioc = hd->ioc;
1997 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1998 ioc->name, SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001999
2000 /* If our attempts to reset the host failed, then return a failed
2001 * status. The host will be taken off line by the SCSI mid-layer.
2002 */
Kashyap, Desaid0f698c2010-03-18 19:12:17 +05302003 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
Kashyap, Desai2f187862009-05-29 16:52:37 +05302004 if (retval < 0)
2005 status = FAILED;
2006 else
2007 status = SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002008
Eric Moore958d4a32007-06-15 17:24:14 -06002009 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
2010 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002011
Kashyap, Desai2f187862009-05-29 16:52:37 +05302012 return status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002013}
2014
Linus Torvalds1da177e2005-04-16 15:20:36 -07002015static int
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302016mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
2017 SCSITaskMgmtReply_t *pScsiTmReply)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002018{
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302019 u16 iocstatus;
2020 u32 termination_count;
2021 int retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002022
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302023 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
2024 retval = FAILED;
2025 goto out;
2026 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002027
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302028 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002029
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302030 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2031 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002032
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302033 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2034 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
2035 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
2036 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
2037 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
2038 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
2039 termination_count));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002040
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302041 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
2042 pScsiTmReply->ResponseCode)
2043 mptscsih_taskmgmt_response_code(ioc,
2044 pScsiTmReply->ResponseCode);
2045
2046 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
2047 retval = 0;
2048 goto out;
2049 }
2050
2051 retval = FAILED;
2052 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
2053 if (termination_count == 1)
2054 retval = 0;
2055 goto out;
2056 }
2057
2058 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2059 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2060 retval = 0;
2061
2062 out:
2063 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002064}
2065
2066/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Kashyap, Desaie7deff32009-05-29 16:46:07 +05302067void
Moore, Eric9f63bb72006-01-16 18:53:26 -07002068mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2069{
2070 char *desc;
2071
2072 switch (response_code) {
2073 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2074 desc = "The task completed.";
2075 break;
2076 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2077 desc = "The IOC received an invalid frame status.";
2078 break;
2079 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2080 desc = "The task type is not supported.";
2081 break;
2082 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2083 desc = "The requested task failed.";
2084 break;
2085 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2086 desc = "The task completed successfully.";
2087 break;
2088 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2089 desc = "The LUN request is invalid.";
2090 break;
2091 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2092 desc = "The task is in the IOC queue and has not been sent to target.";
2093 break;
2094 default:
2095 desc = "unknown";
2096 break;
2097 }
2098 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2099 ioc->name, response_code, desc);
2100}
Kashyap, Desaie7deff32009-05-29 16:46:07 +05302101EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
Moore, Eric9f63bb72006-01-16 18:53:26 -07002102
2103/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linus Torvalds1da177e2005-04-16 15:20:36 -07002104/**
2105 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2106 * @ioc: Pointer to MPT_ADAPTER structure
2107 * @mf: Pointer to SCSI task mgmt request frame
2108 * @mr: Pointer to SCSI task mgmt reply frame
2109 *
2110 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2111 * of any SCSI task management request.
2112 * This routine is registered with the MPT (base) driver at driver
2113 * load/init time via the mpt_register() API call.
2114 *
2115 * Returns 1 indicating alloc'd request frame ptr should be freed.
Eric Moorecd2c6192007-01-29 09:47:47 -07002116 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002117int
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302118mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2119 MPT_FRAME_HDR *mr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002120{
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302121 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2122 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002123
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302124 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002125
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302126 if (!mr)
Eric Moorecd2c6192007-01-29 09:47:47 -07002127 goto out;
Eric Moorecd2c6192007-01-29 09:47:47 -07002128
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302129 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2130 memcpy(ioc->taskmgmt_cmds.reply, mr,
2131 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
Eric Moorecd2c6192007-01-29 09:47:47 -07002132 out:
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302133 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2134 mpt_clear_taskmgmt_in_progress_flag(ioc);
2135 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2136 complete(&ioc->taskmgmt_cmds.done);
2137 return 1;
2138 }
2139 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002140}
2141
2142/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2143/*
2144 * This is anyones guess quite frankly.
2145 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002146int
Linus Torvalds1da177e2005-04-16 15:20:36 -07002147mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2148 sector_t capacity, int geom[])
2149{
2150 int heads;
2151 int sectors;
2152 sector_t cylinders;
2153 ulong dummy;
2154
2155 heads = 64;
2156 sectors = 32;
2157
2158 dummy = heads * sectors;
2159 cylinders = capacity;
2160 sector_div(cylinders,dummy);
2161
2162 /*
2163 * Handle extended translation size for logical drives
2164 * > 1Gb
2165 */
2166 if ((ulong)capacity >= 0x200000) {
2167 heads = 255;
2168 sectors = 63;
2169 dummy = heads * sectors;
2170 cylinders = capacity;
2171 sector_div(cylinders,dummy);
2172 }
2173
2174 /* return result */
2175 geom[0] = heads;
2176 geom[1] = sectors;
2177 geom[2] = cylinders;
2178
Linus Torvalds1da177e2005-04-16 15:20:36 -07002179 return 0;
2180}
2181
Moore, Ericf44e5462006-03-14 09:14:21 -07002182/* Search IOC page 3 to determine if this is hidden physical disk
2183 *
2184 */
2185int
Eric Moore793955f2007-01-29 09:42:20 -07002186mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
Moore, Ericf44e5462006-03-14 09:14:21 -07002187{
Eric Mooreb506ade2007-01-29 09:45:37 -07002188 struct inactive_raid_component_info *component_info;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302189 int i, j;
2190 RaidPhysDiskPage1_t *phys_disk;
Eric Moore793955f2007-01-29 09:42:20 -07002191 int rc = 0;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302192 int num_paths;
Moore, Ericf44e5462006-03-14 09:14:21 -07002193
Eric Moore793955f2007-01-29 09:42:20 -07002194 if (!ioc->raid_data.pIocPg3)
2195 goto out;
Moore, Ericf44e5462006-03-14 09:14:21 -07002196 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
Eric Moore793955f2007-01-29 09:42:20 -07002197 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2198 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2199 rc = 1;
2200 goto out;
2201 }
2202 }
2203
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302204 if (ioc->bus_type != SAS)
2205 goto out;
2206
2207 /*
2208 * Check if dual path
2209 */
2210 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2211 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2212 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2213 if (num_paths < 2)
2214 continue;
2215 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2216 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2217 if (!phys_disk)
2218 continue;
2219 if ((mpt_raid_phys_disk_pg1(ioc,
2220 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2221 phys_disk))) {
2222 kfree(phys_disk);
2223 continue;
2224 }
2225 for (j = 0; j < num_paths; j++) {
2226 if ((phys_disk->Path[j].Flags &
2227 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2228 continue;
2229 if ((phys_disk->Path[j].Flags &
2230 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2231 continue;
2232 if ((id == phys_disk->Path[j].PhysDiskID) &&
2233 (channel == phys_disk->Path[j].PhysDiskBus)) {
2234 rc = 1;
2235 kfree(phys_disk);
2236 goto out;
2237 }
2238 }
2239 kfree(phys_disk);
2240 }
2241
2242
Eric Mooreb506ade2007-01-29 09:45:37 -07002243 /*
2244 * Check inactive list for matching phys disks
2245 */
2246 if (list_empty(&ioc->raid_data.inactive_list))
2247 goto out;
2248
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002249 mutex_lock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002250 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2251 list) {
2252 if ((component_info->d.PhysDiskID == id) &&
2253 (component_info->d.PhysDiskBus == channel))
2254 rc = 1;
2255 }
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002256 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002257
Eric Moore793955f2007-01-29 09:42:20 -07002258 out:
2259 return rc;
Moore, Ericf44e5462006-03-14 09:14:21 -07002260}
2261EXPORT_SYMBOL(mptscsih_is_phys_disk);
2262
Eric Moore793955f2007-01-29 09:42:20 -07002263u8
2264mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
James Bottomleyc92f2222006-03-01 09:02:49 -06002265{
Eric Mooreb506ade2007-01-29 09:45:37 -07002266 struct inactive_raid_component_info *component_info;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302267 int i, j;
2268 RaidPhysDiskPage1_t *phys_disk;
Eric Moore793955f2007-01-29 09:42:20 -07002269 int rc = -ENXIO;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302270 int num_paths;
James Bottomleyc92f2222006-03-01 09:02:49 -06002271
Eric Moore793955f2007-01-29 09:42:20 -07002272 if (!ioc->raid_data.pIocPg3)
2273 goto out;
2274 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2275 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2276 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2277 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2278 goto out;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002279 }
2280 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002281
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302282 if (ioc->bus_type != SAS)
2283 goto out;
2284
2285 /*
2286 * Check if dual path
2287 */
2288 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2289 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2290 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2291 if (num_paths < 2)
2292 continue;
2293 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2294 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2295 if (!phys_disk)
2296 continue;
2297 if ((mpt_raid_phys_disk_pg1(ioc,
2298 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2299 phys_disk))) {
2300 kfree(phys_disk);
2301 continue;
2302 }
2303 for (j = 0; j < num_paths; j++) {
2304 if ((phys_disk->Path[j].Flags &
2305 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2306 continue;
2307 if ((phys_disk->Path[j].Flags &
2308 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2309 continue;
2310 if ((id == phys_disk->Path[j].PhysDiskID) &&
2311 (channel == phys_disk->Path[j].PhysDiskBus)) {
2312 rc = phys_disk->PhysDiskNum;
2313 kfree(phys_disk);
2314 goto out;
2315 }
2316 }
2317 kfree(phys_disk);
2318 }
2319
Eric Mooreb506ade2007-01-29 09:45:37 -07002320 /*
2321 * Check inactive list for matching phys disks
2322 */
2323 if (list_empty(&ioc->raid_data.inactive_list))
2324 goto out;
2325
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002326 mutex_lock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002327 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2328 list) {
2329 if ((component_info->d.PhysDiskID == id) &&
2330 (component_info->d.PhysDiskBus == channel))
2331 rc = component_info->d.PhysDiskNum;
2332 }
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002333 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002334
Eric Moore793955f2007-01-29 09:42:20 -07002335 out:
2336 return rc;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002337}
Eric Moore793955f2007-01-29 09:42:20 -07002338EXPORT_SYMBOL(mptscsih_raid_id_to_num);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002339
2340/*
2341 * OS entry point to allow for host driver to free allocated memory
2342 * Called if no device present or device being unloaded
2343 */
2344void
2345mptscsih_slave_destroy(struct scsi_device *sdev)
2346{
2347 struct Scsi_Host *host = sdev->host;
Eric Mooree7eae9f2007-09-29 10:15:59 -06002348 MPT_SCSI_HOST *hd = shost_priv(host);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002349 VirtTarget *vtarget;
2350 VirtDevice *vdevice;
2351 struct scsi_target *starget;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002352
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002353 starget = scsi_target(sdev);
2354 vtarget = starget->hostdata;
2355 vdevice = sdev->hostdata;
Kashyap, Desai08f5c5c2010-03-18 19:22:45 +05302356 if (!vdevice)
2357 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002358
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002359 mptscsih_search_running_cmds(hd, vdevice);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002360 vtarget->num_luns--;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002361 mptscsih_synchronize_cache(hd, vdevice);
2362 kfree(vdevice);
2363 sdev->hostdata = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002364}
2365
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06002366/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2367/*
2368 * mptscsih_change_queue_depth - This function will set a devices queue depth
2369 * @sdev: per scsi_device pointer
2370 * @qdepth: requested queue depth
Mike Christiee881a172009-10-15 17:46:39 -07002371 * @reason: calling context
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06002372 *
2373 * Adding support for new 'change_queue_depth' api.
2374*/
2375int
Mike Christiee881a172009-10-15 17:46:39 -07002376mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002377{
Eric Mooree7eae9f2007-09-29 10:15:59 -06002378 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002379 VirtTarget *vtarget;
2380 struct scsi_target *starget;
2381 int max_depth;
2382 int tagged;
Eric Mooree80b0022007-09-14 18:49:03 -06002383 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002384
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002385 starget = scsi_target(sdev);
2386 vtarget = starget->hostdata;
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06002387
Mike Christiee881a172009-10-15 17:46:39 -07002388 if (reason != SCSI_QDEPTH_DEFAULT)
2389 return -EOPNOTSUPP;
2390
Eric Mooree80b0022007-09-14 18:49:03 -06002391 if (ioc->bus_type == SPI) {
James Bottomleyc92f2222006-03-01 09:02:49 -06002392 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
Linus Torvalds1da177e2005-04-16 15:20:36 -07002393 max_depth = 1;
James Bottomleyc92f2222006-03-01 09:02:49 -06002394 else if (sdev->type == TYPE_DISK &&
2395 vtarget->minSyncFactor <= MPT_ULTRA160)
2396 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2397 else
2398 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002399 } else
Kashyap, Desai79a3ec12009-08-05 12:52:58 +05302400 max_depth = ioc->sh->can_queue;
2401
2402 if (!sdev->tagged_supported)
2403 max_depth = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002404
2405 if (qdepth > max_depth)
2406 qdepth = max_depth;
2407 if (qdepth == 1)
2408 tagged = 0;
2409 else
2410 tagged = MSG_SIMPLE_TAG;
2411
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06002412 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2413 return sdev->queue_depth;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002414}
2415
Linus Torvalds1da177e2005-04-16 15:20:36 -07002416/*
2417 * OS entry point to adjust the queue_depths on a per-device basis.
2418 * Called once per device the bus scan. Use it to force the queue_depth
2419 * member to 1 if a device does not support Q tags.
2420 * Return non-zero if fails.
2421 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002422int
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002423mptscsih_slave_configure(struct scsi_device *sdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002424{
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002425 struct Scsi_Host *sh = sdev->host;
2426 VirtTarget *vtarget;
2427 VirtDevice *vdevice;
2428 struct scsi_target *starget;
Eric Mooree7eae9f2007-09-29 10:15:59 -06002429 MPT_SCSI_HOST *hd = shost_priv(sh);
Eric Mooree80b0022007-09-14 18:49:03 -06002430 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002431
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002432 starget = scsi_target(sdev);
2433 vtarget = starget->hostdata;
2434 vdevice = sdev->hostdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002435
Eric Mooree80b0022007-09-14 18:49:03 -06002436 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Eric Moore793955f2007-01-29 09:42:20 -07002437 "device @ %p, channel=%d, id=%d, lun=%d\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002438 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2439 if (ioc->bus_type == SPI)
2440 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002441 "sdtr %d wdtr %d ppr %d inq length=%d\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002442 ioc->name, sdev->sdtr, sdev->wdtr,
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002443 sdev->ppr, sdev->inquiry_len));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002444
Eric Moore793955f2007-01-29 09:42:20 -07002445 vdevice->configured_lun = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002446
Eric Mooree80b0022007-09-14 18:49:03 -06002447 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Linus Torvalds1da177e2005-04-16 15:20:36 -07002448 "Queue depth=%d, tflags=%x\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002449 ioc->name, sdev->queue_depth, vtarget->tflags));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002450
Eric Mooree80b0022007-09-14 18:49:03 -06002451 if (ioc->bus_type == SPI)
2452 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002453 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002454 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002455 vtarget->minSyncFactor));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002456
Mike Christiee881a172009-10-15 17:46:39 -07002457 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH,
2458 SCSI_QDEPTH_DEFAULT);
Eric Mooree80b0022007-09-14 18:49:03 -06002459 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Linus Torvalds1da177e2005-04-16 15:20:36 -07002460 "tagged %d, simple %d, ordered %d\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002461 ioc->name,sdev->tagged_supported, sdev->simple_tags,
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002462 sdev->ordered_tags));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002463
Ryan Kuester2a1b7e52010-04-26 18:11:54 -05002464 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2465
Linus Torvalds1da177e2005-04-16 15:20:36 -07002466 return 0;
2467}
2468
Linus Torvalds1da177e2005-04-16 15:20:36 -07002469/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2470/*
2471 * Private routines...
2472 */
2473
2474/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2475/* Utility function to copy sense data from the scsi_cmnd buffer
2476 * to the FC and SCSI target structures.
2477 *
2478 */
2479static void
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002480mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002481{
Eric Moorea69de502007-09-14 18:48:19 -06002482 VirtDevice *vdevice;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002483 SCSIIORequest_t *pReq;
2484 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
Eric Mooree80b0022007-09-14 18:49:03 -06002485 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002486
2487 /* Get target structure
2488 */
2489 pReq = (SCSIIORequest_t *) mf;
Eric Moorea69de502007-09-14 18:48:19 -06002490 vdevice = sc->device->hostdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002491
2492 if (sense_count) {
2493 u8 *sense_data;
2494 int req_index;
2495
2496 /* Copy the sense received into the scsi command block. */
2497 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
Eric Mooree80b0022007-09-14 18:49:03 -06002498 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002499 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2500
2501 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2502 */
Eric Mooree80b0022007-09-14 18:49:03 -06002503 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
Eric Moorea69de502007-09-14 18:48:19 -06002504 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002505 int idx;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002506
Moore, Eric5b5ef4f2006-02-02 17:19:40 -07002507 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002508 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2509 ioc->events[idx].eventContext = ioc->eventContext;
2510
Dave Jones3d9780b2007-05-21 20:59:47 -04002511 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2512 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2513 (sc->device->channel << 8) | sc->device->id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002514
Dave Jones3d9780b2007-05-21 20:59:47 -04002515 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
Linus Torvalds1da177e2005-04-16 15:20:36 -07002516
2517 ioc->eventContext++;
Eric Mooree80b0022007-09-14 18:49:03 -06002518 if (ioc->pcidev->vendor ==
Eric Moore786899b2006-07-11 17:22:22 -06002519 PCI_VENDOR_ID_IBM) {
Eric Mooree80b0022007-09-14 18:49:03 -06002520 mptscsih_issue_sep_command(ioc,
Eric Moorea69de502007-09-14 18:48:19 -06002521 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2522 vdevice->vtarget->tflags |=
Eric Moore786899b2006-07-11 17:22:22 -06002523 MPT_TARGET_FLAGS_LED_ON;
2524 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002525 }
2526 }
2527 } else {
Eric Mooree80b0022007-09-14 18:49:03 -06002528 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2529 ioc->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002530 }
2531}
2532
Kashyap, Desaidb7051b2009-05-29 16:56:59 +05302533/**
2534 * mptscsih_get_scsi_lookup - retrieves scmd entry
2535 * @ioc: Pointer to MPT_ADAPTER structure
2536 * @i: index into the array
2537 *
2538 * Returns the scsi_cmd pointer
2539 */
2540struct scsi_cmnd *
2541mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2542{
2543 unsigned long flags;
2544 struct scsi_cmnd *scmd;
2545
2546 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2547 scmd = ioc->ScsiLookup[i];
2548 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2549
2550 return scmd;
2551}
2552EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
Eric Mooree8206382007-09-29 10:16:53 -06002553
2554/**
James Bottomleyfc847ab2009-06-09 23:01:01 +00002555 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
Kashyap, Desai2f187862009-05-29 16:52:37 +05302556 * @ioc: Pointer to MPT_ADAPTER structure
2557 * @i: index into the array
2558 *
Randy Dunlap7105a382008-02-29 22:03:27 -08002559 * Returns the scsi_cmd pointer
Kashyap, Desai2f187862009-05-29 16:52:37 +05302560 *
Eric Mooree8206382007-09-29 10:16:53 -06002561 **/
2562static struct scsi_cmnd *
2563mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2564{
2565 unsigned long flags;
2566 struct scsi_cmnd *scmd;
2567
2568 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2569 scmd = ioc->ScsiLookup[i];
2570 ioc->ScsiLookup[i] = NULL;
2571 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2572
2573 return scmd;
2574}
2575
2576/**
Ben Hutchings9b8f77a2010-05-23 17:02:30 -07002577 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
Eric Mooree8206382007-09-29 10:16:53 -06002578 *
2579 * @ioc: Pointer to MPT_ADAPTER structure
2580 * @i: index into the array
2581 * @scmd: scsi_cmnd pointer
2582 *
2583 **/
2584static void
2585mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2586{
2587 unsigned long flags;
2588
2589 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2590 ioc->ScsiLookup[i] = scmd;
2591 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2592}
2593
2594/**
Randy Dunlap23f9b752007-10-15 17:29:33 -07002595 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
Eric Mooree8206382007-09-29 10:16:53 -06002596 * @ioc: Pointer to MPT_ADAPTER structure
Randy Dunlap23f9b752007-10-15 17:29:33 -07002597 * @sc: scsi_cmnd pointer
2598 */
Eric Mooree8206382007-09-29 10:16:53 -06002599static int
2600SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2601{
2602 unsigned long flags;
2603 int i, index=-1;
2604
2605 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2606 for (i = 0; i < ioc->req_depth; i++) {
2607 if (ioc->ScsiLookup[i] == sc) {
2608 index = i;
2609 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002610 }
2611 }
2612
Eric Mooree8206382007-09-29 10:16:53 -06002613 out:
2614 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2615 return index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002616}
2617
2618/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002619int
Linus Torvalds1da177e2005-04-16 15:20:36 -07002620mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2621{
2622 MPT_SCSI_HOST *hd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002623
Eric Mooree7eae9f2007-09-29 10:15:59 -06002624 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002625 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002626
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302627 hd = shost_priv(ioc->sh);
2628 switch (reset_phase) {
2629 case MPT_IOC_SETUP_RESET:
2630 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2631 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302632 break;
2633 case MPT_IOC_PRE_RESET:
2634 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2635 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302636 mptscsih_flush_running_cmds(hd);
2637 break;
2638 case MPT_IOC_POST_RESET:
2639 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2640 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2641 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2642 ioc->internal_cmds.status |=
2643 MPT_MGMT_STATUS_DID_IOCRESET;
2644 complete(&ioc->internal_cmds.done);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002645 }
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302646 break;
2647 default:
2648 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002649 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002650 return 1; /* currently means nothing really */
2651}
2652
2653/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002654int
Linus Torvalds1da177e2005-04-16 15:20:36 -07002655mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2656{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002657 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2658
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302659 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2660 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2661 ioc->name, event));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002662
Kashyap, Desai2f187862009-05-29 16:52:37 +05302663 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2664 event == MPI_EVENT_EXT_BUS_RESET) &&
2665 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2666 ioc->soft_resets++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002667
2668 return 1; /* currently means nothing really */
2669}
2670
Linus Torvalds1da177e2005-04-16 15:20:36 -07002671/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2672/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002673 * Bus Scan and Domain Validation functionality ...
2674 */
2675
2676/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2677/*
2678 * mptscsih_scandv_complete - Scan and DV callback routine registered
2679 * to Fustion MPT (base) driver.
2680 *
2681 * @ioc: Pointer to MPT_ADAPTER structure
2682 * @mf: Pointer to original MPT request frame
2683 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2684 *
2685 * This routine is called from mpt.c::mpt_interrupt() at the completion
2686 * of any SCSI IO request.
2687 * This routine is registered with the Fusion MPT (base) driver at driver
2688 * load/init time via the mpt_register() API call.
2689 *
2690 * Returns 1 indicating alloc'd request frame ptr should be freed.
2691 *
2692 * Remark: Sets a completion code and (possibly) saves sense data
2693 * in the IOC member localReply structure.
2694 * Used ONLY for DV and other internal commands.
2695 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002696int
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302697mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2698 MPT_FRAME_HDR *reply)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002699{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002700 SCSIIORequest_t *pReq;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302701 SCSIIOReply_t *pReply;
2702 u8 cmd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002703 u16 req_idx;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302704 u8 *sense_data;
2705 int sz;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002706
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302707 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2708 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2709 if (!reply)
2710 goto out;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002711
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302712 pReply = (SCSIIOReply_t *) reply;
2713 pReq = (SCSIIORequest_t *) req;
2714 ioc->internal_cmds.completion_code =
2715 mptscsih_get_completion_code(ioc, req, reply);
2716 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2717 memcpy(ioc->internal_cmds.reply, reply,
2718 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2719 cmd = reply->u.hdr.Function;
2720 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2721 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2722 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2723 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2724 sense_data = ((u8 *)ioc->sense_buf_pool +
2725 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2726 sz = min_t(int, pReq->SenseBufferLength,
2727 MPT_SENSE_BUFFER_ALLOC);
2728 memcpy(ioc->internal_cmds.sense, sense_data, sz);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002729 }
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302730 out:
2731 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2732 return 0;
2733 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2734 complete(&ioc->internal_cmds.done);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002735 return 1;
2736}
2737
Linus Torvalds1da177e2005-04-16 15:20:36 -07002738
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302739/**
Ben Hutchings9b8f77a2010-05-23 17:02:30 -07002740 * mptscsih_get_completion_code - get completion code from MPT request
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302741 * @ioc: Pointer to MPT_ADAPTER structure
Randy Dunlap9cf46a32009-06-13 19:37:18 -07002742 * @req: Pointer to original MPT request frame
2743 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302744 *
2745 **/
2746static int
2747mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2748 MPT_FRAME_HDR *reply)
2749{
2750 SCSIIOReply_t *pReply;
2751 MpiRaidActionReply_t *pr;
2752 u8 scsi_status;
2753 u16 status;
2754 int completion_code;
2755
2756 pReply = (SCSIIOReply_t *)reply;
2757 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2758 scsi_status = pReply->SCSIStatus;
2759
2760 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2761 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2762 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2763 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2764
2765 switch (status) {
2766
2767 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2768 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2769 break;
2770
2771 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2772 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2773 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2774 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2775 completion_code = MPT_SCANDV_DID_RESET;
2776 break;
2777
2778 case MPI_IOCSTATUS_BUSY:
2779 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2780 completion_code = MPT_SCANDV_BUSY;
2781 break;
2782
2783 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2784 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2785 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2786 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2787 completion_code = MPT_SCANDV_GOOD;
2788 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2789 pr = (MpiRaidActionReply_t *)reply;
2790 if (le16_to_cpu(pr->ActionStatus) ==
2791 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2792 completion_code = MPT_SCANDV_GOOD;
2793 else
2794 completion_code = MPT_SCANDV_SOME_ERROR;
2795 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2796 completion_code = MPT_SCANDV_SENSE;
2797 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2798 if (req->u.scsireq.CDB[0] == INQUIRY)
2799 completion_code = MPT_SCANDV_ISSUE_SENSE;
2800 else
2801 completion_code = MPT_SCANDV_DID_RESET;
2802 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2803 completion_code = MPT_SCANDV_DID_RESET;
2804 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2805 completion_code = MPT_SCANDV_DID_RESET;
2806 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2807 completion_code = MPT_SCANDV_BUSY;
2808 else
2809 completion_code = MPT_SCANDV_GOOD;
2810 break;
2811
2812 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2813 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2814 completion_code = MPT_SCANDV_DID_RESET;
2815 else
2816 completion_code = MPT_SCANDV_SOME_ERROR;
2817 break;
2818 default:
2819 completion_code = MPT_SCANDV_SOME_ERROR;
2820 break;
2821
2822 } /* switch(status) */
2823
2824 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2825 " completionCode set to %08xh\n", ioc->name, completion_code));
2826 return completion_code;
2827}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002828
2829/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2830/**
2831 * mptscsih_do_cmd - Do internal command.
2832 * @hd: MPT_SCSI_HOST pointer
2833 * @io: INTERNAL_CMD pointer.
2834 *
2835 * Issue the specified internally generated command and do command
2836 * specific cleanup. For bus scan / DV only.
2837 * NOTES: If command is Inquiry and status is good,
2838 * initialize a target structure, save the data
2839 *
2840 * Remark: Single threaded access only.
2841 *
2842 * Return:
2843 * < 0 if an illegal command or no resources
2844 *
2845 * 0 if good
2846 *
2847 * > 0 if command complete but some type of completion error.
2848 */
2849static int
2850mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2851{
2852 MPT_FRAME_HDR *mf;
2853 SCSIIORequest_t *pScsiReq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002854 int my_idx, ii, dir;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302855 int timeout;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002856 char cmdLen;
2857 char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302858 u8 cmd = io->cmd;
2859 MPT_ADAPTER *ioc = hd->ioc;
2860 int ret = 0;
2861 unsigned long timeleft;
2862 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002863
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302864 /* don't send internal command during diag reset */
2865 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2866 if (ioc->ioc_reset_in_progress) {
2867 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2868 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2869 "%s: busy with host reset\n", ioc->name, __func__));
2870 return MPT_SCANDV_BUSY;
2871 }
2872 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2873
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302874 mutex_lock(&ioc->internal_cmds.mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002875
2876 /* Set command specific information
2877 */
2878 switch (cmd) {
2879 case INQUIRY:
2880 cmdLen = 6;
2881 dir = MPI_SCSIIO_CONTROL_READ;
2882 CDB[0] = cmd;
2883 CDB[4] = io->size;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302884 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002885 break;
2886
2887 case TEST_UNIT_READY:
2888 cmdLen = 6;
2889 dir = MPI_SCSIIO_CONTROL_READ;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302890 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002891 break;
2892
2893 case START_STOP:
2894 cmdLen = 6;
2895 dir = MPI_SCSIIO_CONTROL_READ;
2896 CDB[0] = cmd;
2897 CDB[4] = 1; /*Spin up the disk */
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302898 timeout = 15;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002899 break;
2900
2901 case REQUEST_SENSE:
2902 cmdLen = 6;
2903 CDB[0] = cmd;
2904 CDB[4] = io->size;
2905 dir = MPI_SCSIIO_CONTROL_READ;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302906 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002907 break;
2908
2909 case READ_BUFFER:
2910 cmdLen = 10;
2911 dir = MPI_SCSIIO_CONTROL_READ;
2912 CDB[0] = cmd;
2913 if (io->flags & MPT_ICFLAG_ECHO) {
2914 CDB[1] = 0x0A;
2915 } else {
2916 CDB[1] = 0x02;
2917 }
2918
2919 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2920 CDB[1] |= 0x01;
2921 }
2922 CDB[6] = (io->size >> 16) & 0xFF;
2923 CDB[7] = (io->size >> 8) & 0xFF;
2924 CDB[8] = io->size & 0xFF;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302925 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002926 break;
2927
2928 case WRITE_BUFFER:
2929 cmdLen = 10;
2930 dir = MPI_SCSIIO_CONTROL_WRITE;
2931 CDB[0] = cmd;
2932 if (io->flags & MPT_ICFLAG_ECHO) {
2933 CDB[1] = 0x0A;
2934 } else {
2935 CDB[1] = 0x02;
2936 }
2937 CDB[6] = (io->size >> 16) & 0xFF;
2938 CDB[7] = (io->size >> 8) & 0xFF;
2939 CDB[8] = io->size & 0xFF;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302940 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002941 break;
2942
2943 case RESERVE:
2944 cmdLen = 6;
2945 dir = MPI_SCSIIO_CONTROL_READ;
2946 CDB[0] = cmd;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302947 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002948 break;
2949
2950 case RELEASE:
2951 cmdLen = 6;
2952 dir = MPI_SCSIIO_CONTROL_READ;
2953 CDB[0] = cmd;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302954 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002955 break;
2956
2957 case SYNCHRONIZE_CACHE:
2958 cmdLen = 10;
2959 dir = MPI_SCSIIO_CONTROL_READ;
2960 CDB[0] = cmd;
2961// CDB[1] = 0x02; /* set immediate bit */
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302962 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002963 break;
2964
2965 default:
2966 /* Error Case */
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302967 ret = -EFAULT;
2968 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002969 }
2970
2971 /* Get and Populate a free Frame
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302972 * MsgContext set in mpt_get_msg_frame call
Linus Torvalds1da177e2005-04-16 15:20:36 -07002973 */
Eric Mooree80b0022007-09-14 18:49:03 -06002974 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302975 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2976 ioc->name, __func__));
2977 ret = MPT_SCANDV_BUSY;
2978 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002979 }
2980
2981 pScsiReq = (SCSIIORequest_t *) mf;
2982
2983 /* Get the request index */
2984 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2985 ADD_INDEX_LOG(my_idx); /* for debug */
2986
2987 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2988 pScsiReq->TargetID = io->physDiskNum;
2989 pScsiReq->Bus = 0;
2990 pScsiReq->ChainOffset = 0;
2991 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2992 } else {
2993 pScsiReq->TargetID = io->id;
Eric Moore793955f2007-01-29 09:42:20 -07002994 pScsiReq->Bus = io->channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002995 pScsiReq->ChainOffset = 0;
2996 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2997 }
2998
2999 pScsiReq->CDBLength = cmdLen;
3000 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
3001
3002 pScsiReq->Reserved = 0;
3003
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05303004 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003005 /* MsgContext set in mpt_get_msg_fram call */
3006
Eric Moore793955f2007-01-29 09:42:20 -07003007 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003008
3009 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
3010 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
3011 else
3012 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
3013
3014 if (cmd == REQUEST_SENSE) {
3015 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303016 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3017 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
Linus Torvalds1da177e2005-04-16 15:20:36 -07003018 }
3019
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303020 for (ii = 0; ii < 16; ii++)
Linus Torvalds1da177e2005-04-16 15:20:36 -07003021 pScsiReq->CDB[ii] = CDB[ii];
3022
3023 pScsiReq->DataLength = cpu_to_le32(io->size);
Eric Mooree80b0022007-09-14 18:49:03 -06003024 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
Linus Torvalds1da177e2005-04-16 15:20:36 -07003025 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
3026
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303027 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3028 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%d\n",
3029 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
Linus Torvalds1da177e2005-04-16 15:20:36 -07003030
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303031 if (dir == MPI_SCSIIO_CONTROL_READ)
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05303032 ioc->add_sge((char *) &pScsiReq->SGL,
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303033 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
3034 else
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05303035 ioc->add_sge((char *) &pScsiReq->SGL,
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303036 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003037
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303038 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
Eric Mooree80b0022007-09-14 18:49:03 -06003039 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303040 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
3041 timeout*HZ);
3042 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
3043 ret = MPT_SCANDV_DID_RESET;
3044 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
3045 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
3046 cmd));
3047 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
3048 mpt_free_msg_frame(ioc, mf);
3049 goto out;
3050 }
3051 if (!timeleft) {
3052 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
3053 ioc->name, __func__);
Kashyap, Desaid0f698c2010-03-18 19:12:17 +05303054 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303055 mpt_free_msg_frame(ioc, mf);
3056 }
3057 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003058 }
3059
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303060 ret = ioc->internal_cmds.completion_code;
3061 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
3062 ioc->name, __func__, ret));
3063
3064 out:
3065 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3066 mutex_unlock(&ioc->internal_cmds.mutex);
3067 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003068}
3069
3070/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3071/**
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07003072 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3073 * @hd: Pointer to a SCSI HOST structure
Randy Dunlapd9489fb2006-12-06 20:38:43 -08003074 * @vdevice: virtual target device
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07003075 *
3076 * Uses the ISR, but with special processing.
3077 * MUST be single-threaded.
3078 *
3079 */
3080static void
3081mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3082{
3083 INTERNAL_CMD iocmd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003084
Eric Moorecc78d302007-06-15 17:27:21 -06003085 /* Ignore hidden raid components, this is handled when the command
3086 * is sent to the volume
3087 */
3088 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3089 return;
3090
3091 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3092 !vdevice->configured_lun)
3093 return;
3094
Linus Torvalds1da177e2005-04-16 15:20:36 -07003095 /* Following parameters will not change
3096 * in this routine.
3097 */
3098 iocmd.cmd = SYNCHRONIZE_CACHE;
3099 iocmd.flags = 0;
3100 iocmd.physDiskNum = -1;
3101 iocmd.data = NULL;
3102 iocmd.data_dma = -1;
3103 iocmd.size = 0;
3104 iocmd.rsvd = iocmd.rsvd2 = 0;
Eric Moore793955f2007-01-29 09:42:20 -07003105 iocmd.channel = vdevice->vtarget->channel;
3106 iocmd.id = vdevice->vtarget->id;
3107 iocmd.lun = vdevice->lun;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003108
Eric Moorecc78d302007-06-15 17:27:21 -06003109 mptscsih_do_cmd(hd, &iocmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003110}
3111
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303112static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003113mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3114 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303115{
Tony Jonesee959b02008-02-22 00:13:36 +01003116 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003117 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303118 MPT_ADAPTER *ioc = hd->ioc;
3119
3120 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3121 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3122 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3123 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3124 ioc->facts.FWVersion.Word & 0x000000FF);
3125}
Tony Jonesee959b02008-02-22 00:13:36 +01003126static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303127
3128static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003129mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3130 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303131{
Tony Jonesee959b02008-02-22 00:13:36 +01003132 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003133 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303134 MPT_ADAPTER *ioc = hd->ioc;
3135
3136 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3137 (ioc->biosVersion & 0xFF000000) >> 24,
3138 (ioc->biosVersion & 0x00FF0000) >> 16,
3139 (ioc->biosVersion & 0x0000FF00) >> 8,
3140 ioc->biosVersion & 0x000000FF);
3141}
Tony Jonesee959b02008-02-22 00:13:36 +01003142static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303143
3144static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003145mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3146 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303147{
Tony Jonesee959b02008-02-22 00:13:36 +01003148 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003149 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303150 MPT_ADAPTER *ioc = hd->ioc;
3151
3152 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3153}
Tony Jonesee959b02008-02-22 00:13:36 +01003154static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303155
3156static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003157mptscsih_version_product_show(struct device *dev,
3158 struct device_attribute *attr,
3159char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303160{
Tony Jonesee959b02008-02-22 00:13:36 +01003161 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003162 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303163 MPT_ADAPTER *ioc = hd->ioc;
3164
3165 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3166}
Tony Jonesee959b02008-02-22 00:13:36 +01003167static DEVICE_ATTR(version_product, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303168 mptscsih_version_product_show, NULL);
3169
3170static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003171mptscsih_version_nvdata_persistent_show(struct device *dev,
3172 struct device_attribute *attr,
3173 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303174{
Tony Jonesee959b02008-02-22 00:13:36 +01003175 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003176 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303177 MPT_ADAPTER *ioc = hd->ioc;
3178
3179 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3180 ioc->nvdata_version_persistent);
3181}
Tony Jonesee959b02008-02-22 00:13:36 +01003182static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303183 mptscsih_version_nvdata_persistent_show, NULL);
3184
3185static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003186mptscsih_version_nvdata_default_show(struct device *dev,
3187 struct device_attribute *attr, char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303188{
Tony Jonesee959b02008-02-22 00:13:36 +01003189 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003190 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303191 MPT_ADAPTER *ioc = hd->ioc;
3192
3193 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3194}
Tony Jonesee959b02008-02-22 00:13:36 +01003195static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303196 mptscsih_version_nvdata_default_show, NULL);
3197
3198static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003199mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3200 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303201{
Tony Jonesee959b02008-02-22 00:13:36 +01003202 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003203 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303204 MPT_ADAPTER *ioc = hd->ioc;
3205
3206 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3207}
Tony Jonesee959b02008-02-22 00:13:36 +01003208static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303209
3210static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003211mptscsih_board_assembly_show(struct device *dev,
3212 struct device_attribute *attr, char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303213{
Tony Jonesee959b02008-02-22 00:13:36 +01003214 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003215 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303216 MPT_ADAPTER *ioc = hd->ioc;
3217
3218 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_assembly);
3219}
Tony Jonesee959b02008-02-22 00:13:36 +01003220static DEVICE_ATTR(board_assembly, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303221 mptscsih_board_assembly_show, NULL);
3222
3223static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003224mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3225 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303226{
Tony Jonesee959b02008-02-22 00:13:36 +01003227 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003228 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303229 MPT_ADAPTER *ioc = hd->ioc;
3230
3231 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_tracer);
3232}
Tony Jonesee959b02008-02-22 00:13:36 +01003233static DEVICE_ATTR(board_tracer, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303234 mptscsih_board_tracer_show, NULL);
3235
3236static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003237mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3238 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303239{
Tony Jonesee959b02008-02-22 00:13:36 +01003240 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003241 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303242 MPT_ADAPTER *ioc = hd->ioc;
3243
3244 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3245}
Tony Jonesee959b02008-02-22 00:13:36 +01003246static DEVICE_ATTR(io_delay, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303247 mptscsih_io_delay_show, NULL);
3248
3249static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003250mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3251 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303252{
Tony Jonesee959b02008-02-22 00:13:36 +01003253 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003254 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303255 MPT_ADAPTER *ioc = hd->ioc;
3256
3257 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3258}
Tony Jonesee959b02008-02-22 00:13:36 +01003259static DEVICE_ATTR(device_delay, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303260 mptscsih_device_delay_show, NULL);
3261
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303262static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003263mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3264 char *buf)
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303265{
Tony Jonesee959b02008-02-22 00:13:36 +01003266 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003267 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303268 MPT_ADAPTER *ioc = hd->ioc;
3269
3270 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3271}
3272static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003273mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3274 const char *buf, size_t count)
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303275{
Tony Jonesee959b02008-02-22 00:13:36 +01003276 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003277 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303278 MPT_ADAPTER *ioc = hd->ioc;
3279 int val = 0;
3280
3281 if (sscanf(buf, "%x", &val) != 1)
3282 return -EINVAL;
3283
3284 ioc->debug_level = val;
3285 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3286 ioc->name, ioc->debug_level);
3287 return strlen(buf);
3288}
Tony Jonesee959b02008-02-22 00:13:36 +01003289static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3290 mptscsih_debug_level_show, mptscsih_debug_level_store);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303291
Tony Jonesee959b02008-02-22 00:13:36 +01003292struct device_attribute *mptscsih_host_attrs[] = {
3293 &dev_attr_version_fw,
3294 &dev_attr_version_bios,
3295 &dev_attr_version_mpi,
3296 &dev_attr_version_product,
3297 &dev_attr_version_nvdata_persistent,
3298 &dev_attr_version_nvdata_default,
3299 &dev_attr_board_name,
3300 &dev_attr_board_assembly,
3301 &dev_attr_board_tracer,
3302 &dev_attr_io_delay,
3303 &dev_attr_device_delay,
3304 &dev_attr_debug_level,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303305 NULL,
3306};
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303307
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303308EXPORT_SYMBOL(mptscsih_host_attrs);
3309
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003310EXPORT_SYMBOL(mptscsih_remove);
3311EXPORT_SYMBOL(mptscsih_shutdown);
3312#ifdef CONFIG_PM
3313EXPORT_SYMBOL(mptscsih_suspend);
3314EXPORT_SYMBOL(mptscsih_resume);
3315#endif
3316EXPORT_SYMBOL(mptscsih_proc_info);
3317EXPORT_SYMBOL(mptscsih_info);
3318EXPORT_SYMBOL(mptscsih_qcmd);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003319EXPORT_SYMBOL(mptscsih_slave_destroy);
3320EXPORT_SYMBOL(mptscsih_slave_configure);
3321EXPORT_SYMBOL(mptscsih_abort);
3322EXPORT_SYMBOL(mptscsih_dev_reset);
3323EXPORT_SYMBOL(mptscsih_bus_reset);
3324EXPORT_SYMBOL(mptscsih_host_reset);
3325EXPORT_SYMBOL(mptscsih_bios_param);
3326EXPORT_SYMBOL(mptscsih_io_done);
3327EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3328EXPORT_SYMBOL(mptscsih_scandv_complete);
3329EXPORT_SYMBOL(mptscsih_event_process);
3330EXPORT_SYMBOL(mptscsih_ioc_reset);
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06003331EXPORT_SYMBOL(mptscsih_change_queue_depth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003332
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003333/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/