blob: 6c9fc11efb87221dc2994c63babe8664809c9821 [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,
Hannes Reinecke9cb78c12014-06-25 15:27:36 +020098 u64 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);
Hannes Reinecke9cb78c12014-06-25 15:27:36 +0200539 printk(MYIOC_s_DEBUG_FMT "\tfw_channel = %d, fw_id = %d, lun = %llu\n",
Kashyap, Desai2f187862009-05-29 16:52:37 +0530540 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;
Kashyap, Desaic9de7dc2010-07-26 18:56:21 +0530667
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 scsi_state = pScsiReply->SCSIState;
669 scsi_status = pScsiReply->SCSIStatus;
670 xfer_cnt = le32_to_cpu(pScsiReply->TransferCount);
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900671 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
Eric Moorec6c727a2007-01-29 09:44:54 -0700672 log_info = le32_to_cpu(pScsiReply->IOCLogInfo);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600674 /*
675 * if we get a data underrun indication, yet no data was
676 * transferred and the SCSI status indicates that the
677 * command was never started, change the data underrun
678 * to success
679 */
680 if (status == MPI_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
681 (scsi_status == MPI_SCSI_STATUS_BUSY ||
682 scsi_status == MPI_SCSI_STATUS_RESERVATION_CONFLICT ||
683 scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)) {
684 status = MPI_IOCSTATUS_SUCCESS;
685 }
686
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687 if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400688 mptscsih_copy_sense_data(sc, hd, mf, pScsiReply);
689
Linus Torvalds1da177e2005-04-16 15:20:36 -0700690 /*
691 * Look for + dump FCP ResponseInfo[]!
692 */
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600693 if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID &&
694 pScsiReply->ResponseInfo) {
Hannes Reinecke9cb78c12014-06-25 15:27:36 +0200695 printk(MYIOC_s_NOTE_FMT "[%d:%d:%d:%llu] "
Eric Moore29dd3602007-09-14 18:46:51 -0600696 "FCP_ResponseInfo=%08xh\n", ioc->name,
Eric Moorec6c727a2007-01-29 09:44:54 -0700697 sc->device->host->host_no, sc->device->channel,
698 sc->device->id, sc->device->lun,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700699 le32_to_cpu(pScsiReply->ResponseInfo));
700 }
701
702 switch(status) {
703 case MPI_IOCSTATUS_BUSY: /* 0x0002 */
Kashyap, Desaid23321b2009-08-05 12:51:25 +0530704 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700705 /* CHECKME!
706 * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry)
707 * But not: DID_BUS_BUSY lest one risk
708 * killing interrupt handler:-(
709 */
710 sc->result = SAM_STAT_BUSY;
711 break;
712
713 case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
714 case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
715 sc->result = DID_BAD_TARGET << 16;
716 break;
717
718 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
719 /* Spoof to SCSI Selection Timeout! */
Moore, Eric65207fe2006-04-21 16:14:35 -0600720 if (ioc->bus_type != FC)
721 sc->result = DID_NO_CONNECT << 16;
722 /* else fibre, just stall until rescan event */
723 else
724 sc->result = DID_REQUEUE << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725
726 if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF)
727 hd->sel_timeout[pScsiReq->TargetID]++;
Eric Moore786899b2006-07-11 17:22:22 -0600728
Eric Moorea69de502007-09-14 18:48:19 -0600729 vdevice = sc->device->hostdata;
730 if (!vdevice)
Eric Moore786899b2006-07-11 17:22:22 -0600731 break;
Eric Moorea69de502007-09-14 18:48:19 -0600732 vtarget = vdevice->vtarget;
Eric Moore786899b2006-07-11 17:22:22 -0600733 if (vtarget->tflags & MPT_TARGET_FLAGS_LED_ON) {
734 mptscsih_issue_sep_command(ioc, vtarget,
735 MPI_SEP_REQ_SLOTSTATUS_UNCONFIGURED);
736 vtarget->tflags &= ~MPT_TARGET_FLAGS_LED_ON;
737 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700738 break;
739
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
Eric Moorebf451522006-07-11 17:25:35 -0600741 if ( ioc->bus_type == SAS ) {
Kashyap, Desaic9de7dc2010-07-26 18:56:21 +0530742 u16 ioc_status =
743 le16_to_cpu(pScsiReply->IOCStatus);
744 if ((ioc_status &
745 MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
746 &&
747 ((log_info & SAS_LOGINFO_MASK) ==
748 SAS_LOGINFO_NEXUS_LOSS)) {
749 VirtDevice *vdevice =
750 sc->device->hostdata;
751
752 /* flag the device as being in
753 * device removal delay so we can
754 * notify the midlayer to hold off
755 * on timeout eh */
756 if (vdevice && vdevice->
757 vtarget &&
758 vdevice->vtarget->
759 raidVolume)
760 printk(KERN_INFO
761 "Skipping Raid Volume"
762 "for inDMD\n");
763 else if (vdevice &&
764 vdevice->vtarget)
765 vdevice->vtarget->
766 inDMD = 1;
767
768 sc->result =
769 (DID_TRANSPORT_DISRUPTED
770 << 16);
771 break;
Eric Moorebf451522006-07-11 17:25:35 -0600772 }
Eric Moore86dd4242007-01-04 20:44:01 -0700773 } else if (ioc->bus_type == FC) {
774 /*
775 * The FC IOC may kill a request for variety of
776 * reasons, some of which may be recovered by a
777 * retry, some which are unlikely to be
778 * recovered. Return DID_ERROR instead of
779 * DID_RESET to permit retry of the command,
780 * just not an infinite number of them
781 */
782 sc->result = DID_ERROR << 16;
783 break;
Eric Moorebf451522006-07-11 17:25:35 -0600784 }
785
786 /*
787 * Allow non-SAS & non-NEXUS_LOSS to drop into below code
788 */
789
790 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700791 /* Linux handles an unsolicited DID_RESET better
792 * than an unsolicited DID_ABORT.
793 */
794 sc->result = DID_RESET << 16;
Alan Cox3012d602012-12-18 14:21:30 -0800795 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700796
Kashyap, Desai2f187862009-05-29 16:52:37 +0530797 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
798 if (ioc->bus_type == FC)
799 sc->result = DID_ERROR << 16;
800 else
801 sc->result = DID_RESET << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700802 break;
803
804 case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900805 scsi_set_resid(sc, scsi_bufflen(sc) - xfer_cnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600806 if((xfer_cnt==0)||(sc->underflow > xfer_cnt))
807 sc->result=DID_SOFT_ERROR << 16;
808 else /* Sufficient data transfer occurred */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700809 sc->result = (DID_OK << 16) | scsi_status;
Eric Moore29dd3602007-09-14 18:46:51 -0600810 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Eric Moorec6c727a2007-01-29 09:44:54 -0700811 "RESIDUAL_MISMATCH: result=%x on channel=%d id=%d\n",
Eric Moore29dd3602007-09-14 18:46:51 -0600812 ioc->name, sc->result, sc->device->channel, sc->device->id));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813 break;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400814
Linus Torvalds1da177e2005-04-16 15:20:36 -0700815 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
816 /*
817 * Do upfront check for valid SenseData and give it
818 * precedence!
819 */
820 sc->result = (DID_OK << 16) | scsi_status;
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530821 if (!(scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
822
823 /*
824 * For an Errata on LSI53C1030
825 * When the length of request data
826 * and transfer data are different
827 * with result of command (READ or VERIFY),
828 * DID_SOFT_ERROR is set.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700829 */
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530830 if (ioc->bus_type == SPI) {
Kashyap, Desaie466e1c2011-07-20 21:28:03 +0530831 if ((pScsiReq->CDB[0] == READ_6 && ((pScsiReq->CDB[1] & 0x02) == 0)) ||
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530832 pScsiReq->CDB[0] == READ_10 ||
833 pScsiReq->CDB[0] == READ_12 ||
nagalakshmi.nandigama@lsi.com513382c2011-09-19 10:27:20 +0530834 (pScsiReq->CDB[0] == READ_16 &&
835 ((pScsiReq->CDB[1] & 0x02) == 0)) ||
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530836 pScsiReq->CDB[0] == VERIFY ||
837 pScsiReq->CDB[0] == VERIFY_16) {
838 if (scsi_bufflen(sc) !=
839 xfer_cnt) {
840 sc->result =
841 DID_SOFT_ERROR << 16;
842 printk(KERN_WARNING "Errata"
843 "on LSI53C1030 occurred."
844 "sc->req_bufflen=0x%02x,"
845 "xfer_cnt=0x%02x\n",
846 scsi_bufflen(sc),
847 xfer_cnt);
848 }
849 }
850 }
851
Linus Torvalds1da177e2005-04-16 15:20:36 -0700852 if (xfer_cnt < sc->underflow) {
Moore, Eric Dean466544d2005-09-14 18:09:10 -0600853 if (scsi_status == SAM_STAT_BUSY)
854 sc->result = SAM_STAT_BUSY;
855 else
856 sc->result = DID_SOFT_ERROR << 16;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700857 }
858 if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) {
859 /* What to do?
860 */
861 sc->result = DID_SOFT_ERROR << 16;
862 }
863 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
864 /* Not real sure here either... */
865 sc->result = DID_RESET << 16;
866 }
867 }
868
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530869
Eric Moore29dd3602007-09-14 18:46:51 -0600870 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
871 " sc->underflow={report ERR if < %02xh bytes xfer'd}\n",
872 ioc->name, sc->underflow));
873 dreplyprintk(ioc, printk(MYIOC_s_DEBUG_FMT
874 " ActBytesXferd=%02xh\n", ioc->name, xfer_cnt));
Prakash, Sathya6757d6b2007-07-25 11:14:01 +0530875
Linus Torvalds1da177e2005-04-16 15:20:36 -0700876 /* Report Queue Full
877 */
878 if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL)
879 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -0400880
Linus Torvalds1da177e2005-04-16 15:20:36 -0700881 break;
882
Moore, Eric7e551472006-01-16 18:53:21 -0700883 case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
FUJITA Tomonori1928d732007-05-26 00:37:15 +0900884 scsi_set_resid(sc, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700885 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
886 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
Eric Mooread8c31b2007-03-19 10:31:51 -0600887 sc->result = (DID_OK << 16) | scsi_status;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700888 if (scsi_state == 0) {
889 ;
Kashyap, Desai9b53b392009-10-07 11:27:40 +0530890 } else if (scsi_state &
891 MPI_SCSI_STATE_AUTOSENSE_VALID) {
892
893 /*
894 * For potential trouble on LSI53C1030.
895 * (date:2007.xx.)
896 * It is checked whether the length of
897 * request data is equal to
898 * the length of transfer and residual.
899 * MEDIUM_ERROR is set by incorrect data.
900 */
901 if ((ioc->bus_type == SPI) &&
902 (sc->sense_buffer[2] & 0x20)) {
903 u32 difftransfer;
904 difftransfer =
905 sc->sense_buffer[3] << 24 |
906 sc->sense_buffer[4] << 16 |
907 sc->sense_buffer[5] << 8 |
908 sc->sense_buffer[6];
909 if (((sc->sense_buffer[3] & 0x80) ==
910 0x80) && (scsi_bufflen(sc)
911 != xfer_cnt)) {
912 sc->sense_buffer[2] =
913 MEDIUM_ERROR;
914 sc->sense_buffer[12] = 0xff;
915 sc->sense_buffer[13] = 0xff;
916 printk(KERN_WARNING"Errata"
917 "on LSI53C1030 occurred."
918 "sc->req_bufflen=0x%02x,"
919 "xfer_cnt=0x%02x\n" ,
920 scsi_bufflen(sc),
921 xfer_cnt);
922 }
923 if (((sc->sense_buffer[3] & 0x80)
924 != 0x80) &&
925 (scsi_bufflen(sc) !=
926 xfer_cnt + difftransfer)) {
927 sc->sense_buffer[2] =
928 MEDIUM_ERROR;
929 sc->sense_buffer[12] = 0xff;
930 sc->sense_buffer[13] = 0xff;
931 printk(KERN_WARNING
932 "Errata on LSI53C1030 occurred"
933 "sc->req_bufflen=0x%02x,"
934 " xfer_cnt=0x%02x,"
935 "difftransfer=0x%02x\n",
936 scsi_bufflen(sc),
937 xfer_cnt,
938 difftransfer);
939 }
940 }
941
Linus Torvalds1da177e2005-04-16 15:20:36 -0700942 /*
943 * If running against circa 200003dd 909 MPT f/w,
944 * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL
945 * (QUEUE_FULL) returned from device! --> get 0x0000?128
946 * and with SenseBytes set to 0.
947 */
948 if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL)
949 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
950
951 }
952 else if (scsi_state &
953 (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)
954 ) {
955 /*
956 * What to do?
957 */
958 sc->result = DID_SOFT_ERROR << 16;
959 }
960 else if (scsi_state & MPI_SCSI_STATE_TERMINATED) {
961 /* Not real sure here either... */
962 sc->result = DID_RESET << 16;
963 }
964 else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) {
965 /* Device Inq. data indicates that it supports
966 * QTags, but rejects QTag messages.
967 * This command completed OK.
968 *
969 * Not real sure here either so do nothing... */
970 }
971
972 if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL)
973 mptscsih_report_queue_full(sc, pScsiReply, pScsiReq);
974
975 /* Add handling of:
976 * Reservation Conflict, Busy,
977 * Command Terminated, CHECK
978 */
979 break;
980
981 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
982 sc->result = DID_SOFT_ERROR << 16;
983 break;
984
985 case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
986 case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
987 case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
988 case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700989 case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
990 case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700991 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
992 case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
993 default:
994 /*
995 * What to do?
996 */
997 sc->result = DID_SOFT_ERROR << 16;
998 break;
999
1000 } /* switch(status) */
1001
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301002#ifdef CONFIG_FUSION_LOGGING
1003 if (sc->result && (ioc->debug_level & MPT_DEBUG_REPLY))
1004 mptscsih_info_scsiio(ioc, sc, pScsiReply);
Eric Moorec6c727a2007-01-29 09:44:54 -07001005#endif
1006
Linus Torvalds1da177e2005-04-16 15:20:36 -07001007 } /* end of address reply case */
Kashyap, Desaifea98402009-09-02 11:45:53 +05301008out:
Linus Torvalds1da177e2005-04-16 15:20:36 -07001009 /* Unmap the DMA buffers, if any. */
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001010 scsi_dma_unmap(sc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001011
Linus Torvalds1da177e2005-04-16 15:20:36 -07001012 sc->scsi_done(sc); /* Issue the command callback */
1013
1014 /* Free Chain buffers */
1015 mptscsih_freeChainBuffers(ioc, req_idx);
1016 return 1;
1017}
1018
Linus Torvalds1da177e2005-04-16 15:20:36 -07001019/*
1020 * mptscsih_flush_running_cmds - For each command found, search
1021 * Scsi_Host instance taskQ and reply to OS.
1022 * Called only if recovering from a FW reload.
1023 * @hd: Pointer to a SCSI HOST structure
1024 *
1025 * Returns: None.
1026 *
1027 * Must be called while new I/Os are being queued.
1028 */
kashyap.desai@lsi.come62cca12011-08-04 16:42:15 +05301029void
Linus Torvalds1da177e2005-04-16 15:20:36 -07001030mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd)
1031{
1032 MPT_ADAPTER *ioc = hd->ioc;
Eric Mooree8206382007-09-29 10:16:53 -06001033 struct scsi_cmnd *sc;
1034 SCSIIORequest_t *mf = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001035 int ii;
Eric Mooree8206382007-09-29 10:16:53 -06001036 int channel, id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001037
Eric Mooree8206382007-09-29 10:16:53 -06001038 for (ii= 0; ii < ioc->req_depth; ii++) {
1039 sc = mptscsih_getclear_scsi_lookup(ioc, ii);
1040 if (!sc)
1041 continue;
1042 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
1043 if (!mf)
1044 continue;
1045 channel = mf->Bus;
1046 id = mf->TargetID;
1047 mptscsih_freeChainBuffers(ioc, ii);
1048 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
1049 if ((unsigned char *)mf != sc->host_scribble)
1050 continue;
1051 scsi_dma_unmap(sc);
1052 sc->result = DID_RESET << 16;
1053 sc->host_scribble = NULL;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301054 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device, MYIOC_s_FMT
1055 "completing cmds: fw_channel %d, fw_id %d, sc=%p, mf = %p, "
1056 "idx=%x\n", ioc->name, channel, id, sc, mf, ii));
Eric Mooree8206382007-09-29 10:16:53 -06001057 sc->scsi_done(sc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001058 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001059}
kashyap.desai@lsi.come62cca12011-08-04 16:42:15 +05301060EXPORT_SYMBOL(mptscsih_flush_running_cmds);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001061
1062/*
1063 * mptscsih_search_running_cmds - Delete any commands associated
1064 * with the specified target and lun. Function called only
1065 * when a lun is disable by mid-layer.
1066 * Do NOT access the referenced scsi_cmnd structure or
1067 * members. Will cause either a paging or NULL ptr error.
Michael Reed05e8ec12006-01-13 14:31:54 -06001068 * (BUT, BUT, BUT, the code does reference it! - mdr)
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07001069 * @hd: Pointer to a SCSI HOST structure
1070 * @vdevice: per device private data
Linus Torvalds1da177e2005-04-16 15:20:36 -07001071 *
1072 * Returns: None.
1073 *
1074 * Called from slave_destroy.
1075 */
1076static void
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07001077mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001078{
1079 SCSIIORequest_t *mf = NULL;
1080 int ii;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001081 struct scsi_cmnd *sc;
Eric Moore793955f2007-01-29 09:42:20 -07001082 struct scsi_lun lun;
Eric Mooree80b0022007-09-14 18:49:03 -06001083 MPT_ADAPTER *ioc = hd->ioc;
Eric Mooree8206382007-09-29 10:16:53 -06001084 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001085
Eric Mooree8206382007-09-29 10:16:53 -06001086 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1087 for (ii = 0; ii < ioc->req_depth; ii++) {
1088 if ((sc = ioc->ScsiLookup[ii]) != NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001089
Eric Mooree80b0022007-09-14 18:49:03 -06001090 mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(ioc, ii);
Eric Moore3dc0b032006-07-11 17:32:33 -06001091 if (mf == NULL)
1092 continue;
Eric Moorecc78d302007-06-15 17:27:21 -06001093 /* If the device is a hidden raid component, then its
1094 * expected that the mf->function will be RAID_SCSI_IO
1095 */
1096 if (vdevice->vtarget->tflags &
1097 MPT_TARGET_FLAGS_RAID_COMPONENT && mf->Function !=
1098 MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)
1099 continue;
1100
Eric Moore793955f2007-01-29 09:42:20 -07001101 int_to_scsilun(vdevice->lun, &lun);
1102 if ((mf->Bus != vdevice->vtarget->channel) ||
1103 (mf->TargetID != vdevice->vtarget->id) ||
1104 memcmp(lun.scsi_lun, mf->LUN, 8))
Linus Torvalds1da177e2005-04-16 15:20:36 -07001105 continue;
1106
Eric Moore3dc0b032006-07-11 17:32:33 -06001107 if ((unsigned char *)mf != sc->host_scribble)
1108 continue;
Eric Mooree8206382007-09-29 10:16:53 -06001109 ioc->ScsiLookup[ii] = NULL;
1110 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1111 mptscsih_freeChainBuffers(ioc, ii);
1112 mpt_free_msg_frame(ioc, (MPT_FRAME_HDR *)mf);
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001113 scsi_dma_unmap(sc);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001114 sc->host_scribble = NULL;
1115 sc->result = DID_NO_CONNECT << 16;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301116 dtmprintk(ioc, sdev_printk(KERN_INFO, sc->device,
1117 MYIOC_s_FMT "completing cmds: fw_channel %d, "
1118 "fw_id %d, sc=%p, mf = %p, idx=%x\n", ioc->name,
1119 vdevice->vtarget->channel, vdevice->vtarget->id,
1120 sc, mf, ii));
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001121 sc->scsi_done(sc);
Eric Mooree8206382007-09-29 10:16:53 -06001122 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001123 }
1124 }
Eric Mooree8206382007-09-29 10:16:53 -06001125 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001126 return;
1127}
1128
1129/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linus Torvalds1da177e2005-04-16 15:20:36 -07001130
1131/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1132/*
1133 * mptscsih_report_queue_full - Report QUEUE_FULL status returned
1134 * from a SCSI target device.
1135 * @sc: Pointer to scsi_cmnd structure
1136 * @pScsiReply: Pointer to SCSIIOReply_t
1137 * @pScsiReq: Pointer to original SCSI request
1138 *
1139 * This routine periodically reports QUEUE_FULL status returned from a
1140 * SCSI target device. It reports this to the console via kernel
1141 * printk() API call, not more than once every 10 seconds.
1142 */
1143static void
1144mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq)
1145{
1146 long time = jiffies;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001147 MPT_SCSI_HOST *hd;
Eric Mooree80b0022007-09-14 18:49:03 -06001148 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001149
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001150 if (sc->device == NULL)
1151 return;
1152 if (sc->device->host == NULL)
1153 return;
Eric Mooree7eae9f2007-09-29 10:15:59 -06001154 if ((hd = shost_priv(sc->device->host)) == NULL)
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001155 return;
Eric Mooree80b0022007-09-14 18:49:03 -06001156 ioc = hd->ioc;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001157 if (time - hd->last_queue_full > 10 * HZ) {
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02001158 dprintk(ioc, printk(MYIOC_s_WARN_FMT "Device (%d:%d:%llu) reported QUEUE_FULL!\n",
Eric Mooree80b0022007-09-14 18:49:03 -06001159 ioc->name, 0, sc->device->id, sc->device->lun));
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001160 hd->last_queue_full = time;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001161 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001162}
1163
1164/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1165/*
1166 * mptscsih_remove - Removed scsi devices
1167 * @pdev: Pointer to pci_dev structure
1168 *
1169 *
1170 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001171void
Linus Torvalds1da177e2005-04-16 15:20:36 -07001172mptscsih_remove(struct pci_dev *pdev)
1173{
1174 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1175 struct Scsi_Host *host = ioc->sh;
1176 MPT_SCSI_HOST *hd;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001177 int sz1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001178
Linus Torvalds1da177e2005-04-16 15:20:36 -07001179 scsi_remove_host(host);
1180
Eric Mooree7eae9f2007-09-29 10:15:59 -06001181 if((hd = shost_priv(host)) == NULL)
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001182 return;
1183
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001184 mptscsih_shutdown(pdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001185
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001186 sz1=0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001187
Eric Mooree8206382007-09-29 10:16:53 -06001188 if (ioc->ScsiLookup != NULL) {
Eric Mooree80b0022007-09-14 18:49:03 -06001189 sz1 = ioc->req_depth * sizeof(void *);
Eric Mooree8206382007-09-29 10:16:53 -06001190 kfree(ioc->ScsiLookup);
1191 ioc->ScsiLookup = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001192 }
1193
Eric Mooree80b0022007-09-14 18:49:03 -06001194 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001195 "Free'd ScsiLookup (%d) memory\n",
Eric Mooree80b0022007-09-14 18:49:03 -06001196 ioc->name, sz1));
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001197
Moore, Eric Dean d485eb82005-05-11 17:37:26 -06001198 kfree(hd->info_kbuf);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001199
1200 /* NULL the Scsi_Host pointer
1201 */
Eric Mooree80b0022007-09-14 18:49:03 -06001202 ioc->sh = NULL;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001203
1204 scsi_host_put(host);
1205
1206 mpt_detach(pdev);
Christoph Hellwigc6678e02005-08-18 16:24:53 +02001207
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208}
1209
1210/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1211/*
1212 * mptscsih_shutdown - reboot notifier
1213 *
1214 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001215void
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001216mptscsih_shutdown(struct pci_dev *pdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001217{
Linus Torvalds1da177e2005-04-16 15:20:36 -07001218}
1219
1220#ifdef CONFIG_PM
1221/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1222/*
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001223 * mptscsih_suspend - Fusion MPT scsi driver suspend routine.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001224 *
1225 *
1226 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001227int
Pavel Machek8d189f72005-04-16 15:25:28 -07001228mptscsih_suspend(struct pci_dev *pdev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001229{
Prakash, Sathya4d4109d2008-03-07 16:19:50 +05301230 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1231
1232 scsi_block_requests(ioc->sh);
1233 flush_scheduled_work();
Greg Kroah-Hartmand18c3db2005-06-23 17:35:56 -07001234 mptscsih_shutdown(pdev);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001235 return mpt_suspend(pdev,state);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001236}
1237
1238/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1239/*
1240 * mptscsih_resume - Fusion MPT scsi driver resume routine.
1241 *
1242 *
1243 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001244int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001245mptscsih_resume(struct pci_dev *pdev)
1246{
Prakash, Sathya4d4109d2008-03-07 16:19:50 +05301247 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1248 int rc;
1249
1250 rc = mpt_resume(pdev);
1251 scsi_unblock_requests(ioc->sh);
1252 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001253}
1254
1255#endif
1256
Linus Torvalds1da177e2005-04-16 15:20:36 -07001257/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1258/**
1259 * mptscsih_info - Return information about MPT adapter
1260 * @SChost: Pointer to Scsi_Host structure
1261 *
1262 * (linux scsi_host_template.info routine)
1263 *
1264 * Returns pointer to buffer where information was written.
1265 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001266const char *
Linus Torvalds1da177e2005-04-16 15:20:36 -07001267mptscsih_info(struct Scsi_Host *SChost)
1268{
1269 MPT_SCSI_HOST *h;
1270 int size = 0;
1271
Eric Mooree7eae9f2007-09-29 10:15:59 -06001272 h = shost_priv(SChost);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001273
Joe Lawrence9f213162014-06-25 17:06:54 -04001274 if (h->info_kbuf == NULL)
1275 if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL)
1276 return h->info_kbuf;
1277 h->info_kbuf[0] = '\0';
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001278
Joe Lawrence9f213162014-06-25 17:06:54 -04001279 mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0);
1280 h->info_kbuf[size-1] = '\0';
Linus Torvalds1da177e2005-04-16 15:20:36 -07001281
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001282 return h->info_kbuf;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001283}
1284
Al Virocac19702013-03-31 01:42:38 -04001285int mptscsih_show_info(struct seq_file *m, struct Scsi_Host *host)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001286{
Eric Mooree7eae9f2007-09-29 10:15:59 -06001287 MPT_SCSI_HOST *hd = shost_priv(host);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001288 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001289
Al Virocac19702013-03-31 01:42:38 -04001290 seq_printf(m, "%s: %s, ", ioc->name, ioc->prod_name);
1291 seq_printf(m, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word);
1292 seq_printf(m, "Ports=%d, ", ioc->facts.NumberOfPorts);
1293 seq_printf(m, "MaxQ=%d\n", ioc->req_depth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001294
Al Virocac19702013-03-31 01:42:38 -04001295 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001296}
1297
1298/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1299#define ADD_INDEX_LOG(req_ent) do { } while(0)
1300
1301/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1302/**
1303 * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine.
1304 * @SCpnt: Pointer to scsi_cmnd structure
Linus Torvalds1da177e2005-04-16 15:20:36 -07001305 *
1306 * (linux scsi_host_template.queuecommand routine)
1307 * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest
1308 * from a linux scsi_cmnd request and send it to the IOC.
1309 *
1310 * Returns 0. (rtn value discarded by linux scsi mid-layer)
1311 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001312int
Matthew Wilcoxa48ac9e2014-03-27 16:40:36 -04001313mptscsih_qcmd(struct scsi_cmnd *SCpnt)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001314{
1315 MPT_SCSI_HOST *hd;
1316 MPT_FRAME_HDR *mf;
1317 SCSIIORequest_t *pScsiReq;
Eric Moorea69de502007-09-14 18:48:19 -06001318 VirtDevice *vdevice = SCpnt->device->hostdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001319 u32 datalen;
1320 u32 scsictl;
1321 u32 scsidir;
1322 u32 cmd_len;
1323 int my_idx;
1324 int ii;
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301325 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001326
Eric Mooree7eae9f2007-09-29 10:15:59 -06001327 hd = shost_priv(SCpnt->device->host);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301328 ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001329
Matthew Wilcoxa48ac9e2014-03-27 16:40:36 -04001330 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "qcmd: SCpnt=%p\n",
1331 ioc->name, SCpnt));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001332
Kashyap, Desai56cee8d2011-04-26 12:09:15 +05301333 if (ioc->taskmgmt_quiesce_io)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001334 return SCSI_MLQUEUE_HOST_BUSY;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001335
1336 /*
1337 * Put together a MPT SCSI request...
1338 */
Eric Mooree80b0022007-09-14 18:49:03 -06001339 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301340 dprintk(ioc, printk(MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n",
1341 ioc->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342 return SCSI_MLQUEUE_HOST_BUSY;
1343 }
1344
1345 pScsiReq = (SCSIIORequest_t *) mf;
1346
1347 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
1348
1349 ADD_INDEX_LOG(my_idx);
1350
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001351 /* TUR's being issued with scsictl=0x02000000 (DATA_IN)!
Linus Torvalds1da177e2005-04-16 15:20:36 -07001352 * Seems we may receive a buffer (datalen>0) even when there
1353 * will be no data transfer! GRRRRR...
1354 */
1355 if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) {
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001356 datalen = scsi_bufflen(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001357 scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */
1358 } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) {
FUJITA Tomonori1928d732007-05-26 00:37:15 +09001359 datalen = scsi_bufflen(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001360 scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */
1361 } else {
1362 datalen = 0;
1363 scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER;
1364 }
1365
1366 /* Default to untagged. Once a target structure has been allocated,
1367 * use the Inquiry data to determine if device supports tagged.
1368 */
Joe Lawrence9f213162014-06-25 17:06:54 -04001369 if ((vdevice->vtarget->tflags & MPT_TARGET_FLAGS_Q_YES)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001370 && (SCpnt->device->tagged_supported)) {
1371 scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ;
Kashyap, Desai65f89c22009-12-16 19:01:13 +05301372 if (SCpnt->request && SCpnt->request->ioprio) {
1373 if (((SCpnt->request->ioprio & 0x7) == 1) ||
1374 !(SCpnt->request->ioprio & 0x7))
1375 scsictl |= MPI_SCSIIO_CONTROL_HEADOFQ;
1376 }
1377 } else
Linus Torvalds1da177e2005-04-16 15:20:36 -07001378 scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED;
Kashyap, Desai65f89c22009-12-16 19:01:13 +05301379
Linus Torvalds1da177e2005-04-16 15:20:36 -07001380
1381 /* Use the above information to set up the message frame
1382 */
Eric Moorea69de502007-09-14 18:48:19 -06001383 pScsiReq->TargetID = (u8) vdevice->vtarget->id;
1384 pScsiReq->Bus = vdevice->vtarget->channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001385 pScsiReq->ChainOffset = 0;
Eric Moorea69de502007-09-14 18:48:19 -06001386 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
James Bottomleyc92f2222006-03-01 09:02:49 -06001387 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
1388 else
1389 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001390 pScsiReq->CDBLength = SCpnt->cmd_len;
1391 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
1392 pScsiReq->Reserved = 0;
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301393 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
Eric Moore793955f2007-01-29 09:42:20 -07001394 int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001395 pScsiReq->Control = cpu_to_le32(scsictl);
1396
1397 /*
1398 * Write SCSI CDB into the message
1399 */
1400 cmd_len = SCpnt->cmd_len;
1401 for (ii=0; ii < cmd_len; ii++)
1402 pScsiReq->CDB[ii] = SCpnt->cmnd[ii];
1403
1404 for (ii=cmd_len; ii < 16; ii++)
1405 pScsiReq->CDB[ii] = 0;
1406
1407 /* DataLength */
1408 pScsiReq->DataLength = cpu_to_le32(datalen);
1409
1410 /* SenseBuffer low address */
Eric Mooree80b0022007-09-14 18:49:03 -06001411 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
Linus Torvalds1da177e2005-04-16 15:20:36 -07001412 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
1413
1414 /* Now add the SG list
1415 * Always have a SGE even if null length.
1416 */
1417 if (datalen == 0) {
1418 /* Add a NULL SGE */
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05301419 ioc->add_sge((char *)&pScsiReq->SGL,
1420 MPT_SGE_FLAGS_SSIMPLE_READ | 0,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001421 (dma_addr_t) -1);
1422 } else {
1423 /* Add a 32 or 64 bit SGE */
Eric Mooree80b0022007-09-14 18:49:03 -06001424 if (mptscsih_AddSGE(ioc, SCpnt, pScsiReq, my_idx) != SUCCESS)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001425 goto fail;
1426 }
1427
Eric Moore3dc0b032006-07-11 17:32:33 -06001428 SCpnt->host_scribble = (unsigned char *)mf;
Eric Mooree8206382007-09-29 10:16:53 -06001429 mptscsih_set_scsi_lookup(ioc, my_idx, SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001430
Eric Mooree80b0022007-09-14 18:49:03 -06001431 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301432 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n",
1433 ioc->name, SCpnt, mf, my_idx));
Eric Moore29dd3602007-09-14 18:46:51 -06001434 DBG_DUMP_REQUEST_FRAME(ioc, (u32 *)mf);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435 return 0;
1436
1437 fail:
Eric Mooree80b0022007-09-14 18:49:03 -06001438 mptscsih_freeChainBuffers(ioc, my_idx);
1439 mpt_free_msg_frame(ioc, mf);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001440 return SCSI_MLQUEUE_HOST_BUSY;
1441}
1442
1443/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1444/*
1445 * mptscsih_freeChainBuffers - Function to free chain buffers associated
1446 * with a SCSI IO request
1447 * @hd: Pointer to the MPT_SCSI_HOST instance
1448 * @req_idx: Index of the SCSI IO request frame.
1449 *
1450 * Called if SG chain buffer allocation fails and mptscsih callbacks.
1451 * No return.
1452 */
1453static void
1454mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
1455{
1456 MPT_FRAME_HDR *chain;
1457 unsigned long flags;
1458 int chain_idx;
1459 int next;
1460
1461 /* Get the first chain index and reset
1462 * tracker state.
1463 */
1464 chain_idx = ioc->ReqToChain[req_idx];
1465 ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN;
1466
1467 while (chain_idx != MPT_HOST_NO_CHAIN) {
1468
1469 /* Save the next chain buffer index */
1470 next = ioc->ChainToChain[chain_idx];
1471
1472 /* Free this chain buffer and reset
1473 * tracker
1474 */
1475 ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN;
1476
1477 chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer
1478 + (chain_idx * ioc->req_sz));
1479
1480 spin_lock_irqsave(&ioc->FreeQlock, flags);
1481 list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ);
1482 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1483
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301484 dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FreeChainBuffers (index %d)\n",
Linus Torvalds1da177e2005-04-16 15:20:36 -07001485 ioc->name, chain_idx));
1486
1487 /* handle next */
1488 chain_idx = next;
1489 }
1490 return;
1491}
1492
1493/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1494/*
1495 * Reset Handling
1496 */
1497
1498/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Eric Moorecd2c6192007-01-29 09:47:47 -07001499/**
Linus Torvalds1da177e2005-04-16 15:20:36 -07001500 * mptscsih_IssueTaskMgmt - Generic send Task Management function.
1501 * @hd: Pointer to MPT_SCSI_HOST structure
1502 * @type: Task Management type
Randy Dunlap1544d672007-02-20 11:17:03 -08001503 * @channel: channel number for task management
Eric Moore793955f2007-01-29 09:42:20 -07001504 * @id: Logical Target ID for reset (if appropriate)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001505 * @lun: Logical Unit for reset (if appropriate)
1506 * @ctx2abort: Context for the task to be aborted (if appropriate)
Randy Dunlap1544d672007-02-20 11:17:03 -08001507 * @timeout: timeout for task management control
Linus Torvalds1da177e2005-04-16 15:20:36 -07001508 *
1509 * Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
1510 * or a non-interrupt thread. In the former, must not call schedule().
1511 *
1512 * Not all fields are meaningfull for all task types.
1513 *
Eric Moorecd2c6192007-01-29 09:47:47 -07001514 * Returns 0 for SUCCESS, or FAILED.
1515 *
1516 **/
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301517int
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02001518mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, u64 lun,
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301519 int ctx2abort, ulong timeout)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001520{
1521 MPT_FRAME_HDR *mf;
1522 SCSITaskMgmt_t *pScsiTm;
1523 int ii;
1524 int retval;
Eric Mooree80b0022007-09-14 18:49:03 -06001525 MPT_ADAPTER *ioc = hd->ioc;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301526 unsigned long timeleft;
1527 u8 issue_hard_reset;
1528 u32 ioc_raw_state;
1529 unsigned long time_count;
1530
1531 issue_hard_reset = 0;
1532 ioc_raw_state = mpt_GetIocState(ioc, 0);
1533
1534 if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) {
1535 printk(MYIOC_s_WARN_FMT
1536 "TaskMgmt type=%x: IOC Not operational (0x%x)!\n",
1537 ioc->name, type, ioc_raw_state);
1538 printk(MYIOC_s_WARN_FMT "Issuing HardReset from %s!!\n",
1539 ioc->name, __func__);
1540 if (mpt_HardResetHandler(ioc, CAN_SLEEP) < 0)
1541 printk(MYIOC_s_WARN_FMT "TaskMgmt HardReset "
1542 "FAILED!!\n", ioc->name);
1543 return 0;
1544 }
1545
kashyap.desai@lsi.com98cbe372011-08-05 11:04:37 +05301546 /* DOORBELL ACTIVE check is not required if
1547 * MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q is supported.
1548 */
1549
1550 if (!((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q)
1551 && (ioc->facts.MsgVersion >= MPI_VERSION_01_05)) &&
1552 (ioc_raw_state & MPI_DOORBELL_ACTIVE)) {
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301553 printk(MYIOC_s_WARN_FMT
1554 "TaskMgmt type=%x: ioc_state: "
1555 "DOORBELL_ACTIVE (0x%x)!\n",
1556 ioc->name, type, ioc_raw_state);
1557 return FAILED;
1558 }
1559
1560 mutex_lock(&ioc->taskmgmt_cmds.mutex);
1561 if (mpt_set_taskmgmt_in_progress_flag(ioc) != 0) {
1562 mf = NULL;
1563 retval = FAILED;
1564 goto out;
1565 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001566
1567 /* Return Fail to calling function if no message frames available.
1568 */
Eric Mooree80b0022007-09-14 18:49:03 -06001569 if ((mf = mpt_get_msg_frame(ioc->TaskCtx, ioc)) == NULL) {
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301570 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1571 "TaskMgmt no msg frames!!\n", ioc->name));
1572 retval = FAILED;
1573 mpt_clear_taskmgmt_in_progress_flag(ioc);
1574 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001575 }
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301576 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt request (mf=%p)\n",
Eric Mooree80b0022007-09-14 18:49:03 -06001577 ioc->name, mf));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001578
1579 /* Format the Request
1580 */
1581 pScsiTm = (SCSITaskMgmt_t *) mf;
Eric Moore793955f2007-01-29 09:42:20 -07001582 pScsiTm->TargetID = id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001583 pScsiTm->Bus = channel;
1584 pScsiTm->ChainOffset = 0;
1585 pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
1586
1587 pScsiTm->Reserved = 0;
1588 pScsiTm->TaskType = type;
1589 pScsiTm->Reserved1 = 0;
1590 pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
1591 ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
1592
Eric Moore793955f2007-01-29 09:42:20 -07001593 int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001594
1595 for (ii=0; ii < 7; ii++)
1596 pScsiTm->Reserved2[ii] = 0;
1597
1598 pScsiTm->TaskMsgContext = ctx2abort;
1599
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301600 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "TaskMgmt: ctx2abort (0x%08x) "
1601 "task_type = 0x%02X, timeout = %ld\n", ioc->name, ctx2abort,
1602 type, timeout));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001603
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05301604 DBG_DUMP_TM_REQUEST_FRAME(ioc, (u32 *)pScsiTm);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001605
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301606 INITIALIZE_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1607 time_count = jiffies;
Eric Mooree80b0022007-09-14 18:49:03 -06001608 if ((ioc->facts.IOCCapabilities & MPI_IOCFACTS_CAPABILITY_HIGH_PRI_Q) &&
1609 (ioc->facts.MsgVersion >= MPI_VERSION_01_05))
1610 mpt_put_msg_frame_hi_pri(ioc->TaskCtx, ioc, mf);
Prakash, Sathya7a195f42007-08-14 16:08:40 +05301611 else {
Eric Mooree80b0022007-09-14 18:49:03 -06001612 retval = mpt_send_handshake_request(ioc->TaskCtx, ioc,
Prakash, Sathya7a195f42007-08-14 16:08:40 +05301613 sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, CAN_SLEEP);
1614 if (retval) {
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301615 dfailprintk(ioc, printk(MYIOC_s_ERR_FMT
1616 "TaskMgmt handshake FAILED!(mf=%p, rc=%d) \n",
1617 ioc->name, mf, retval));
1618 mpt_free_msg_frame(ioc, mf);
1619 mpt_clear_taskmgmt_in_progress_flag(ioc);
1620 goto out;
Prakash, Sathya7a195f42007-08-14 16:08:40 +05301621 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001622 }
1623
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301624 timeleft = wait_for_completion_timeout(&ioc->taskmgmt_cmds.done,
1625 timeout*HZ);
1626 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
1627 retval = FAILED;
1628 dtmprintk(ioc, printk(MYIOC_s_ERR_FMT
1629 "TaskMgmt TIMED OUT!(mf=%p)\n", ioc->name, mf));
1630 mpt_clear_taskmgmt_in_progress_flag(ioc);
1631 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
1632 goto out;
1633 issue_hard_reset = 1;
1634 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001635 }
1636
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301637 retval = mptscsih_taskmgmt_reply(ioc, type,
1638 (SCSITaskMgmtReply_t *) ioc->taskmgmt_cmds.reply);
Eric Moorecd2c6192007-01-29 09:47:47 -07001639
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301640 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1641 "TaskMgmt completed (%d seconds)\n",
1642 ioc->name, jiffies_to_msecs(jiffies - time_count)/1000));
1643
1644 out:
1645
1646 CLEAR_MGMT_STATUS(ioc->taskmgmt_cmds.status)
1647 if (issue_hard_reset) {
Kei Tokunaga97009a22010-06-22 19:01:51 +09001648 printk(MYIOC_s_WARN_FMT
1649 "Issuing Reset from %s!! doorbell=0x%08x\n",
1650 ioc->name, __func__, mpt_GetIocState(ioc, 0));
kashyap.desai@lsi.com98cbe372011-08-05 11:04:37 +05301651 retval = (ioc->bus_type == SAS) ?
1652 mpt_HardResetHandler(ioc, CAN_SLEEP) :
1653 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301654 mpt_free_msg_frame(ioc, mf);
1655 }
1656
1657 retval = (retval == 0) ? 0 : FAILED;
1658 mutex_unlock(&ioc->taskmgmt_cmds.mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001659 return retval;
1660}
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301661EXPORT_SYMBOL(mptscsih_IssueTaskMgmt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001662
Christoph Hellwigd66c7a02006-01-17 13:43:14 +00001663static int
1664mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
1665{
1666 switch (ioc->bus_type) {
1667 case FC:
1668 return 40;
1669 case SAS:
Kashyap, Desai69b2e9b2010-03-18 19:23:19 +05301670 return 30;
Christoph Hellwigd66c7a02006-01-17 13:43:14 +00001671 case SPI:
1672 default:
Bernd Schubert22ab0192008-09-23 15:28:58 +02001673 return 10;
Christoph Hellwigd66c7a02006-01-17 13:43:14 +00001674 }
1675}
1676
Linus Torvalds1da177e2005-04-16 15:20:36 -07001677/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1678/**
1679 * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
1680 * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted
1681 *
1682 * (linux scsi_host_template.eh_abort_handler routine)
1683 *
1684 * Returns SUCCESS or FAILED.
Eric Moorecd2c6192007-01-29 09:47:47 -07001685 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001686int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001687mptscsih_abort(struct scsi_cmnd * SCpnt)
1688{
1689 MPT_SCSI_HOST *hd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001690 MPT_FRAME_HDR *mf;
1691 u32 ctx2abort;
1692 int scpnt_idx;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001693 int retval;
Eric Moore958d4a32007-06-15 17:24:14 -06001694 VirtDevice *vdevice;
Eric Moore958d4a32007-06-15 17:24:14 -06001695 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001696
1697 /* If we can't locate our host adapter structure, return FAILED status.
1698 */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001699 if ((hd = shost_priv(SCpnt->device->host)) == NULL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07001700 SCpnt->result = DID_RESET << 16;
1701 SCpnt->scsi_done(SCpnt);
Eric Moore29dd3602007-09-14 18:46:51 -06001702 printk(KERN_ERR MYNAM ": task abort: "
1703 "can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001704 return FAILED;
1705 }
1706
Eric Moore958d4a32007-06-15 17:24:14 -06001707 ioc = hd->ioc;
1708 printk(MYIOC_s_INFO_FMT "attempting task abort! (sc=%p)\n",
1709 ioc->name, SCpnt);
1710 scsi_print_command(SCpnt);
1711
1712 vdevice = SCpnt->device->hostdata;
1713 if (!vdevice || !vdevice->vtarget) {
Eric Moore29dd3602007-09-14 18:46:51 -06001714 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1715 "task abort: device has been deleted (sc=%p)\n",
1716 ioc->name, SCpnt));
Eric Moore958d4a32007-06-15 17:24:14 -06001717 SCpnt->result = DID_NO_CONNECT << 16;
1718 SCpnt->scsi_done(SCpnt);
Kashyap, Desai69b2e9b2010-03-18 19:23:19 +05301719 retval = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001720 goto out;
1721 }
1722
Eric Moorecc78d302007-06-15 17:27:21 -06001723 /* Task aborts are not supported for hidden raid components.
1724 */
1725 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
Eric Moore29dd3602007-09-14 18:46:51 -06001726 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1727 "task abort: hidden raid component (sc=%p)\n",
1728 ioc->name, SCpnt));
Eric Moorecc78d302007-06-15 17:27:21 -06001729 SCpnt->result = DID_RESET << 16;
1730 retval = FAILED;
1731 goto out;
1732 }
1733
Kashyap, Desai69b2e9b2010-03-18 19:23:19 +05301734 /* Task aborts are not supported for volumes.
1735 */
1736 if (vdevice->vtarget->raidVolume) {
1737 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1738 "task abort: raid volume (sc=%p)\n",
1739 ioc->name, SCpnt));
1740 SCpnt->result = DID_RESET << 16;
1741 retval = FAILED;
1742 goto out;
1743 }
1744
Linus Torvalds1da177e2005-04-16 15:20:36 -07001745 /* Find this command
1746 */
Eric Mooree8206382007-09-29 10:16:53 -06001747 if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(ioc, SCpnt)) < 0) {
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001748 /* Cmd not found in ScsiLookup.
Linus Torvalds1da177e2005-04-16 15:20:36 -07001749 * Do OS callback.
1750 */
1751 SCpnt->result = DID_RESET << 16;
Eric Moore29dd3602007-09-14 18:46:51 -06001752 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "task abort: "
Eric Moore958d4a32007-06-15 17:24:14 -06001753 "Command not in the active list! (sc=%p)\n", ioc->name,
1754 SCpnt));
Kashyap, Desai9858ae32010-01-25 16:20:52 +05301755 retval = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001756 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001757 }
1758
Kashyap, Desai2f187862009-05-29 16:52:37 +05301759 if (ioc->timeouts < -1)
1760 ioc->timeouts++;
Moore, Eric65207fe2006-04-21 16:14:35 -06001761
Kashyap, Desai2f4c7822009-01-06 15:03:37 +05301762 if (mpt_fwfault_debug)
1763 mpt_halt_firmware(ioc);
1764
Linus Torvalds1da177e2005-04-16 15:20:36 -07001765 /* Most important! Set TaskMsgContext to SCpnt's MsgContext!
1766 * (the IO to be ABORT'd)
1767 *
1768 * NOTE: Since we do not byteswap MsgContext, we do not
1769 * swap it here either. It is an opaque cookie to
1770 * the controller, so it does not matter. -DaveM
1771 */
Eric Mooree80b0022007-09-14 18:49:03 -06001772 mf = MPT_INDEX_2_MFPTR(ioc, scpnt_idx);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001773 ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301774 retval = mptscsih_IssueTaskMgmt(hd,
1775 MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
1776 vdevice->vtarget->channel,
1777 vdevice->vtarget->id, vdevice->lun,
1778 ctx2abort, mptscsih_get_tm_timeout(ioc));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001779
Christoph Hellwigaeaeb5c2011-04-04 09:42:41 -04001780 if (SCPNT_TO_LOOKUP_IDX(ioc, SCpnt) == scpnt_idx) {
Kashyap, Desai2f187862009-05-29 16:52:37 +05301781 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1782 "task abort: command still in active list! (sc=%p)\n",
1783 ioc->name, SCpnt));
Eric Moore3dc0b032006-07-11 17:32:33 -06001784 retval = FAILED;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301785 } else {
1786 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1787 "task abort: command cleared from active list! (sc=%p)\n",
1788 ioc->name, SCpnt));
1789 retval = SUCCESS;
1790 }
Eric Moore3dc0b032006-07-11 17:32:33 -06001791
Eric Moore958d4a32007-06-15 17:24:14 -06001792 out:
Christoph Hellwigaeaeb5c2011-04-04 09:42:41 -04001793 printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p)\n",
Kashyap, Desaibcfe42e2011-02-10 11:53:44 +05301794 ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
Christoph Hellwigaeaeb5c2011-04-04 09:42:41 -04001795 SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001796
Kashyap, Desai2f187862009-05-29 16:52:37 +05301797 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001798}
1799
1800/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1801/**
1802 * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant
1803 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1804 *
1805 * (linux scsi_host_template.eh_dev_reset_handler routine)
1806 *
1807 * Returns SUCCESS or FAILED.
Eric Moorecd2c6192007-01-29 09:47:47 -07001808 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001809int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001810mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
1811{
1812 MPT_SCSI_HOST *hd;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001813 int retval;
Eric Moore958d4a32007-06-15 17:24:14 -06001814 VirtDevice *vdevice;
1815 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001816
1817 /* If we can't locate our host adapter structure, return FAILED status.
1818 */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001819 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
Eric Moore29dd3602007-09-14 18:46:51 -06001820 printk(KERN_ERR MYNAM ": target reset: "
1821 "Can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001822 return FAILED;
1823 }
1824
Eric Moore958d4a32007-06-15 17:24:14 -06001825 ioc = hd->ioc;
1826 printk(MYIOC_s_INFO_FMT "attempting target reset! (sc=%p)\n",
1827 ioc->name, SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001828 scsi_print_command(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001829
Eric Moore958d4a32007-06-15 17:24:14 -06001830 vdevice = SCpnt->device->hostdata;
1831 if (!vdevice || !vdevice->vtarget) {
Kashyap, Desaibcfe42e2011-02-10 11:53:44 +05301832 retval = 0;
Eric Moore958d4a32007-06-15 17:24:14 -06001833 goto out;
1834 }
1835
Eric Moorecc78d302007-06-15 17:27:21 -06001836 /* Target reset to hidden raid component is not supported
1837 */
1838 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1839 retval = FAILED;
1840 goto out;
1841 }
1842
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301843 retval = mptscsih_IssueTaskMgmt(hd,
1844 MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
1845 vdevice->vtarget->channel,
1846 vdevice->vtarget->id, 0, 0,
1847 mptscsih_get_tm_timeout(ioc));
Eric Moore958d4a32007-06-15 17:24:14 -06001848
1849 out:
1850 printk (MYIOC_s_INFO_FMT "target reset: %s (sc=%p)\n",
1851 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001852
1853 if (retval == 0)
1854 return SUCCESS;
Eric Moorecd2c6192007-01-29 09:47:47 -07001855 else
1856 return FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001857}
1858
Eric Moorecd2c6192007-01-29 09:47:47 -07001859
Linus Torvalds1da177e2005-04-16 15:20:36 -07001860/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1861/**
1862 * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant
1863 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1864 *
1865 * (linux scsi_host_template.eh_bus_reset_handler routine)
1866 *
1867 * Returns SUCCESS or FAILED.
Eric Moorecd2c6192007-01-29 09:47:47 -07001868 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001869int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001870mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
1871{
1872 MPT_SCSI_HOST *hd;
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001873 int retval;
Eric Moorea69de502007-09-14 18:48:19 -06001874 VirtDevice *vdevice;
Eric Moore958d4a32007-06-15 17:24:14 -06001875 MPT_ADAPTER *ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001876
1877 /* If we can't locate our host adapter structure, return FAILED status.
1878 */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001879 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
Eric Moore29dd3602007-09-14 18:46:51 -06001880 printk(KERN_ERR MYNAM ": bus reset: "
1881 "Can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001882 return FAILED;
1883 }
1884
Eric Moore958d4a32007-06-15 17:24:14 -06001885 ioc = hd->ioc;
1886 printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n",
1887 ioc->name, SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001888 scsi_print_command(SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001889
Kashyap, Desai2f187862009-05-29 16:52:37 +05301890 if (ioc->timeouts < -1)
1891 ioc->timeouts++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001892
Eric Moorea69de502007-09-14 18:48:19 -06001893 vdevice = SCpnt->device->hostdata;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301894 if (!vdevice || !vdevice->vtarget)
1895 return SUCCESS;
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301896 retval = mptscsih_IssueTaskMgmt(hd,
1897 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1898 vdevice->vtarget->channel, 0, 0, 0,
1899 mptscsih_get_tm_timeout(ioc));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001900
Eric Moore958d4a32007-06-15 17:24:14 -06001901 printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n",
1902 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
Moore, Eric Dean466544d2005-09-14 18:09:10 -06001903
1904 if (retval == 0)
1905 return SUCCESS;
Eric Moorecd2c6192007-01-29 09:47:47 -07001906 else
1907 return FAILED;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001908}
1909
1910/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1911/**
Randy Dunlapd9489fb2006-12-06 20:38:43 -08001912 * mptscsih_host_reset - Perform a SCSI host adapter RESET (new_eh variant)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001913 * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to
1914 *
1915 * (linux scsi_host_template.eh_host_reset_handler routine)
1916 *
1917 * Returns SUCCESS or FAILED.
1918 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04001919int
Linus Torvalds1da177e2005-04-16 15:20:36 -07001920mptscsih_host_reset(struct scsi_cmnd *SCpnt)
1921{
1922 MPT_SCSI_HOST * hd;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301923 int status = SUCCESS;
Eric Moore958d4a32007-06-15 17:24:14 -06001924 MPT_ADAPTER *ioc;
Kashyap, Desai2f187862009-05-29 16:52:37 +05301925 int retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001926
1927 /* If we can't locate the host to reset, then we failed. */
Eric Mooree7eae9f2007-09-29 10:15:59 -06001928 if ((hd = shost_priv(SCpnt->device->host)) == NULL){
Eric Moore29dd3602007-09-14 18:46:51 -06001929 printk(KERN_ERR MYNAM ": host reset: "
1930 "Can't locate host! (sc=%p)\n", SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001931 return FAILED;
1932 }
1933
James Bottomleya6da74c2008-12-15 14:13:27 -06001934 /* make sure we have no outstanding commands at this stage */
1935 mptscsih_flush_running_cmds(hd);
1936
Eric Moore958d4a32007-06-15 17:24:14 -06001937 ioc = hd->ioc;
1938 printk(MYIOC_s_INFO_FMT "attempting host reset! (sc=%p)\n",
1939 ioc->name, SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001940
1941 /* If our attempts to reset the host failed, then return a failed
1942 * status. The host will be taken off line by the SCSI mid-layer.
1943 */
Kashyap, Desaid0f698c2010-03-18 19:12:17 +05301944 retval = mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
Kashyap, Desai2f187862009-05-29 16:52:37 +05301945 if (retval < 0)
1946 status = FAILED;
1947 else
1948 status = SUCCESS;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001949
Eric Moore958d4a32007-06-15 17:24:14 -06001950 printk(MYIOC_s_INFO_FMT "host reset: %s (sc=%p)\n",
1951 ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001952
Kashyap, Desai2f187862009-05-29 16:52:37 +05301953 return status;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001954}
1955
Linus Torvalds1da177e2005-04-16 15:20:36 -07001956static int
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301957mptscsih_taskmgmt_reply(MPT_ADAPTER *ioc, u8 type,
1958 SCSITaskMgmtReply_t *pScsiTmReply)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001959{
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301960 u16 iocstatus;
1961 u32 termination_count;
1962 int retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001963
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301964 if (!(ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
1965 retval = FAILED;
1966 goto out;
1967 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07001968
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301969 DBG_DUMP_TM_REPLY_FRAME(ioc, (u32 *)pScsiTmReply);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001970
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301971 iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK;
1972 termination_count = le32_to_cpu(pScsiTmReply->TerminationCount);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001973
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301974 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1975 "TaskMgmt fw_channel = %d, fw_id = %d, task_type = 0x%02X,\n"
1976 "\tiocstatus = 0x%04X, loginfo = 0x%08X, response_code = 0x%02X,\n"
1977 "\tterm_cmnds = %d\n", ioc->name, pScsiTmReply->Bus,
1978 pScsiTmReply->TargetID, type, le16_to_cpu(pScsiTmReply->IOCStatus),
1979 le32_to_cpu(pScsiTmReply->IOCLogInfo), pScsiTmReply->ResponseCode,
1980 termination_count));
Linus Torvalds1da177e2005-04-16 15:20:36 -07001981
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05301982 if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
1983 pScsiTmReply->ResponseCode)
1984 mptscsih_taskmgmt_response_code(ioc,
1985 pScsiTmReply->ResponseCode);
1986
1987 if (iocstatus == MPI_IOCSTATUS_SUCCESS) {
1988 retval = 0;
1989 goto out;
1990 }
1991
1992 retval = FAILED;
1993 if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {
1994 if (termination_count == 1)
1995 retval = 0;
1996 goto out;
1997 }
1998
1999 if (iocstatus == MPI_IOCSTATUS_SCSI_TASK_TERMINATED ||
2000 iocstatus == MPI_IOCSTATUS_SCSI_IOC_TERMINATED)
2001 retval = 0;
2002
2003 out:
2004 return retval;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002005}
2006
2007/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Kashyap, Desaie7deff32009-05-29 16:46:07 +05302008void
Moore, Eric9f63bb72006-01-16 18:53:26 -07002009mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
2010{
2011 char *desc;
2012
2013 switch (response_code) {
2014 case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
2015 desc = "The task completed.";
2016 break;
2017 case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
2018 desc = "The IOC received an invalid frame status.";
2019 break;
2020 case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2021 desc = "The task type is not supported.";
2022 break;
2023 case MPI_SCSITASKMGMT_RSP_TM_FAILED:
2024 desc = "The requested task failed.";
2025 break;
2026 case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2027 desc = "The task completed successfully.";
2028 break;
2029 case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2030 desc = "The LUN request is invalid.";
2031 break;
2032 case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2033 desc = "The task is in the IOC queue and has not been sent to target.";
2034 break;
2035 default:
2036 desc = "unknown";
2037 break;
2038 }
2039 printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
2040 ioc->name, response_code, desc);
2041}
Kashyap, Desaie7deff32009-05-29 16:46:07 +05302042EXPORT_SYMBOL(mptscsih_taskmgmt_response_code);
Moore, Eric9f63bb72006-01-16 18:53:26 -07002043
2044/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Linus Torvalds1da177e2005-04-16 15:20:36 -07002045/**
2046 * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
2047 * @ioc: Pointer to MPT_ADAPTER structure
2048 * @mf: Pointer to SCSI task mgmt request frame
2049 * @mr: Pointer to SCSI task mgmt reply frame
2050 *
2051 * This routine is called from mptbase.c::mpt_interrupt() at the completion
2052 * of any SCSI task management request.
2053 * This routine is registered with the MPT (base) driver at driver
2054 * load/init time via the mpt_register() API call.
2055 *
2056 * Returns 1 indicating alloc'd request frame ptr should be freed.
Eric Moorecd2c6192007-01-29 09:47:47 -07002057 **/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002058int
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302059mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf,
2060 MPT_FRAME_HDR *mr)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002061{
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302062 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2063 "TaskMgmt completed (mf=%p, mr=%p)\n", ioc->name, mf, mr));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002064
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302065 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002066
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302067 if (!mr)
Eric Moorecd2c6192007-01-29 09:47:47 -07002068 goto out;
Eric Moorecd2c6192007-01-29 09:47:47 -07002069
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302070 ioc->taskmgmt_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2071 memcpy(ioc->taskmgmt_cmds.reply, mr,
2072 min(MPT_DEFAULT_FRAME_SIZE, 4 * mr->u.reply.MsgLength));
Eric Moorecd2c6192007-01-29 09:47:47 -07002073 out:
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302074 if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
2075 mpt_clear_taskmgmt_in_progress_flag(ioc);
2076 ioc->taskmgmt_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2077 complete(&ioc->taskmgmt_cmds.done);
Kashyap, Desaib68bf092010-06-17 14:40:56 +05302078 if (ioc->bus_type == SAS)
2079 ioc->schedule_target_reset(ioc);
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302080 return 1;
2081 }
2082 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002083}
2084
2085/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2086/*
2087 * This is anyones guess quite frankly.
2088 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002089int
Linus Torvalds1da177e2005-04-16 15:20:36 -07002090mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
2091 sector_t capacity, int geom[])
2092{
2093 int heads;
2094 int sectors;
2095 sector_t cylinders;
2096 ulong dummy;
2097
2098 heads = 64;
2099 sectors = 32;
2100
2101 dummy = heads * sectors;
2102 cylinders = capacity;
2103 sector_div(cylinders,dummy);
2104
2105 /*
2106 * Handle extended translation size for logical drives
2107 * > 1Gb
2108 */
2109 if ((ulong)capacity >= 0x200000) {
2110 heads = 255;
2111 sectors = 63;
2112 dummy = heads * sectors;
2113 cylinders = capacity;
2114 sector_div(cylinders,dummy);
2115 }
2116
2117 /* return result */
2118 geom[0] = heads;
2119 geom[1] = sectors;
2120 geom[2] = cylinders;
2121
Linus Torvalds1da177e2005-04-16 15:20:36 -07002122 return 0;
2123}
2124
Moore, Ericf44e5462006-03-14 09:14:21 -07002125/* Search IOC page 3 to determine if this is hidden physical disk
2126 *
2127 */
2128int
Eric Moore793955f2007-01-29 09:42:20 -07002129mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
Moore, Ericf44e5462006-03-14 09:14:21 -07002130{
Eric Mooreb506ade2007-01-29 09:45:37 -07002131 struct inactive_raid_component_info *component_info;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302132 int i, j;
2133 RaidPhysDiskPage1_t *phys_disk;
Eric Moore793955f2007-01-29 09:42:20 -07002134 int rc = 0;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302135 int num_paths;
Moore, Ericf44e5462006-03-14 09:14:21 -07002136
Eric Moore793955f2007-01-29 09:42:20 -07002137 if (!ioc->raid_data.pIocPg3)
2138 goto out;
Moore, Ericf44e5462006-03-14 09:14:21 -07002139 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
Eric Moore793955f2007-01-29 09:42:20 -07002140 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2141 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2142 rc = 1;
2143 goto out;
2144 }
2145 }
2146
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302147 if (ioc->bus_type != SAS)
2148 goto out;
2149
2150 /*
2151 * Check if dual path
2152 */
2153 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2154 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2155 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2156 if (num_paths < 2)
2157 continue;
2158 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2159 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2160 if (!phys_disk)
2161 continue;
2162 if ((mpt_raid_phys_disk_pg1(ioc,
2163 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2164 phys_disk))) {
2165 kfree(phys_disk);
2166 continue;
2167 }
2168 for (j = 0; j < num_paths; j++) {
2169 if ((phys_disk->Path[j].Flags &
2170 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2171 continue;
2172 if ((phys_disk->Path[j].Flags &
2173 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2174 continue;
2175 if ((id == phys_disk->Path[j].PhysDiskID) &&
2176 (channel == phys_disk->Path[j].PhysDiskBus)) {
2177 rc = 1;
2178 kfree(phys_disk);
2179 goto out;
2180 }
2181 }
2182 kfree(phys_disk);
2183 }
2184
2185
Eric Mooreb506ade2007-01-29 09:45:37 -07002186 /*
2187 * Check inactive list for matching phys disks
2188 */
2189 if (list_empty(&ioc->raid_data.inactive_list))
2190 goto out;
2191
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002192 mutex_lock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002193 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2194 list) {
2195 if ((component_info->d.PhysDiskID == id) &&
2196 (component_info->d.PhysDiskBus == channel))
2197 rc = 1;
2198 }
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002199 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002200
Eric Moore793955f2007-01-29 09:42:20 -07002201 out:
2202 return rc;
Moore, Ericf44e5462006-03-14 09:14:21 -07002203}
2204EXPORT_SYMBOL(mptscsih_is_phys_disk);
2205
Eric Moore793955f2007-01-29 09:42:20 -07002206u8
2207mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
James Bottomleyc92f2222006-03-01 09:02:49 -06002208{
Eric Mooreb506ade2007-01-29 09:45:37 -07002209 struct inactive_raid_component_info *component_info;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302210 int i, j;
2211 RaidPhysDiskPage1_t *phys_disk;
Eric Moore793955f2007-01-29 09:42:20 -07002212 int rc = -ENXIO;
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302213 int num_paths;
James Bottomleyc92f2222006-03-01 09:02:49 -06002214
Eric Moore793955f2007-01-29 09:42:20 -07002215 if (!ioc->raid_data.pIocPg3)
2216 goto out;
2217 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2218 if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
2219 (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
2220 rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
2221 goto out;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002222 }
2223 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002224
Kashyap, Desaia7938b02009-05-29 16:53:56 +05302225 if (ioc->bus_type != SAS)
2226 goto out;
2227
2228 /*
2229 * Check if dual path
2230 */
2231 for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
2232 num_paths = mpt_raid_phys_disk_get_num_paths(ioc,
2233 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum);
2234 if (num_paths < 2)
2235 continue;
2236 phys_disk = kzalloc(offsetof(RaidPhysDiskPage1_t, Path) +
2237 (num_paths * sizeof(RAID_PHYS_DISK1_PATH)), GFP_KERNEL);
2238 if (!phys_disk)
2239 continue;
2240 if ((mpt_raid_phys_disk_pg1(ioc,
2241 ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum,
2242 phys_disk))) {
2243 kfree(phys_disk);
2244 continue;
2245 }
2246 for (j = 0; j < num_paths; j++) {
2247 if ((phys_disk->Path[j].Flags &
2248 MPI_RAID_PHYSDISK1_FLAG_INVALID))
2249 continue;
2250 if ((phys_disk->Path[j].Flags &
2251 MPI_RAID_PHYSDISK1_FLAG_BROKEN))
2252 continue;
2253 if ((id == phys_disk->Path[j].PhysDiskID) &&
2254 (channel == phys_disk->Path[j].PhysDiskBus)) {
2255 rc = phys_disk->PhysDiskNum;
2256 kfree(phys_disk);
2257 goto out;
2258 }
2259 }
2260 kfree(phys_disk);
2261 }
2262
Eric Mooreb506ade2007-01-29 09:45:37 -07002263 /*
2264 * Check inactive list for matching phys disks
2265 */
2266 if (list_empty(&ioc->raid_data.inactive_list))
2267 goto out;
2268
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002269 mutex_lock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002270 list_for_each_entry(component_info, &ioc->raid_data.inactive_list,
2271 list) {
2272 if ((component_info->d.PhysDiskID == id) &&
2273 (component_info->d.PhysDiskBus == channel))
2274 rc = component_info->d.PhysDiskNum;
2275 }
Matthias Kaehlckeed5f6062008-03-09 12:16:27 +01002276 mutex_unlock(&ioc->raid_data.inactive_list_mutex);
Eric Mooreb506ade2007-01-29 09:45:37 -07002277
Eric Moore793955f2007-01-29 09:42:20 -07002278 out:
2279 return rc;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002280}
Eric Moore793955f2007-01-29 09:42:20 -07002281EXPORT_SYMBOL(mptscsih_raid_id_to_num);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002282
2283/*
2284 * OS entry point to allow for host driver to free allocated memory
2285 * Called if no device present or device being unloaded
2286 */
2287void
2288mptscsih_slave_destroy(struct scsi_device *sdev)
2289{
2290 struct Scsi_Host *host = sdev->host;
Eric Mooree7eae9f2007-09-29 10:15:59 -06002291 MPT_SCSI_HOST *hd = shost_priv(host);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002292 VirtTarget *vtarget;
2293 VirtDevice *vdevice;
2294 struct scsi_target *starget;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002295
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002296 starget = scsi_target(sdev);
2297 vtarget = starget->hostdata;
2298 vdevice = sdev->hostdata;
Kashyap, Desai08f5c5c2010-03-18 19:22:45 +05302299 if (!vdevice)
2300 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002301
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002302 mptscsih_search_running_cmds(hd, vdevice);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002303 vtarget->num_luns--;
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002304 mptscsih_synchronize_cache(hd, vdevice);
2305 kfree(vdevice);
2306 sdev->hostdata = NULL;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002307}
2308
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06002309/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2310/*
2311 * mptscsih_change_queue_depth - This function will set a devices queue depth
2312 * @sdev: per scsi_device pointer
2313 * @qdepth: requested queue depth
2314 *
2315 * Adding support for new 'change_queue_depth' api.
2316*/
2317int
Christoph Hellwigdb5ed4d2014-11-13 15:08:42 +01002318mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002319{
Eric Mooree7eae9f2007-09-29 10:15:59 -06002320 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002321 VirtTarget *vtarget;
2322 struct scsi_target *starget;
2323 int max_depth;
Eric Mooree80b0022007-09-14 18:49:03 -06002324 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002325
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002326 starget = scsi_target(sdev);
2327 vtarget = starget->hostdata;
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06002328
Eric Mooree80b0022007-09-14 18:49:03 -06002329 if (ioc->bus_type == SPI) {
James Bottomleyc92f2222006-03-01 09:02:49 -06002330 if (!(vtarget->tflags & MPT_TARGET_FLAGS_Q_YES))
Linus Torvalds1da177e2005-04-16 15:20:36 -07002331 max_depth = 1;
James Bottomleyc92f2222006-03-01 09:02:49 -06002332 else if (sdev->type == TYPE_DISK &&
2333 vtarget->minSyncFactor <= MPT_ULTRA160)
2334 max_depth = MPT_SCSI_CMD_PER_DEV_HIGH;
2335 else
2336 max_depth = MPT_SCSI_CMD_PER_DEV_LOW;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002337 } else
Kashyap, Desai79a3ec12009-08-05 12:52:58 +05302338 max_depth = ioc->sh->can_queue;
2339
2340 if (!sdev->tagged_supported)
2341 max_depth = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002342
2343 if (qdepth > max_depth)
2344 qdepth = max_depth;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002345
Christoph Hellwigdb5ed4d2014-11-13 15:08:42 +01002346 return scsi_change_queue_depth(sdev, qdepth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002347}
2348
Linus Torvalds1da177e2005-04-16 15:20:36 -07002349/*
2350 * OS entry point to adjust the queue_depths on a per-device basis.
2351 * Called once per device the bus scan. Use it to force the queue_depth
2352 * member to 1 if a device does not support Q tags.
2353 * Return non-zero if fails.
2354 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002355int
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002356mptscsih_slave_configure(struct scsi_device *sdev)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002357{
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002358 struct Scsi_Host *sh = sdev->host;
2359 VirtTarget *vtarget;
2360 VirtDevice *vdevice;
2361 struct scsi_target *starget;
Eric Mooree7eae9f2007-09-29 10:15:59 -06002362 MPT_SCSI_HOST *hd = shost_priv(sh);
Eric Mooree80b0022007-09-14 18:49:03 -06002363 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002364
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002365 starget = scsi_target(sdev);
2366 vtarget = starget->hostdata;
2367 vdevice = sdev->hostdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002368
Eric Mooree80b0022007-09-14 18:49:03 -06002369 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02002370 "device @ %p, channel=%d, id=%d, lun=%llu\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002371 ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
2372 if (ioc->bus_type == SPI)
2373 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002374 "sdtr %d wdtr %d ppr %d inq length=%d\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002375 ioc->name, sdev->sdtr, sdev->wdtr,
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002376 sdev->ppr, sdev->inquiry_len));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002377
Eric Moore793955f2007-01-29 09:42:20 -07002378 vdevice->configured_lun = 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002379
Eric Mooree80b0022007-09-14 18:49:03 -06002380 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Linus Torvalds1da177e2005-04-16 15:20:36 -07002381 "Queue depth=%d, tflags=%x\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002382 ioc->name, sdev->queue_depth, vtarget->tflags));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002383
Eric Mooree80b0022007-09-14 18:49:03 -06002384 if (ioc->bus_type == SPI)
2385 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002386 "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n",
Eric Mooree80b0022007-09-14 18:49:03 -06002387 ioc->name, vtarget->negoFlags, vtarget->maxOffset,
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07002388 vtarget->minSyncFactor));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002389
Christoph Hellwigdb5ed4d2014-11-13 15:08:42 +01002390 mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
Eric Mooree80b0022007-09-14 18:49:03 -06002391 dsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Christoph Hellwig609aa222014-10-30 11:54:58 +01002392 "tagged %d, simple %d\n",
2393 ioc->name,sdev->tagged_supported, sdev->simple_tags));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002394
Ryan Kuester2a1b7e52010-04-26 18:11:54 -05002395 blk_queue_dma_alignment (sdev->request_queue, 512 - 1);
2396
Linus Torvalds1da177e2005-04-16 15:20:36 -07002397 return 0;
2398}
2399
Linus Torvalds1da177e2005-04-16 15:20:36 -07002400/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2401/*
2402 * Private routines...
2403 */
2404
2405/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2406/* Utility function to copy sense data from the scsi_cmnd buffer
2407 * to the FC and SCSI target structures.
2408 *
2409 */
2410static void
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002411mptscsih_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 -07002412{
Eric Moorea69de502007-09-14 18:48:19 -06002413 VirtDevice *vdevice;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002414 SCSIIORequest_t *pReq;
2415 u32 sense_count = le32_to_cpu(pScsiReply->SenseCount);
Eric Mooree80b0022007-09-14 18:49:03 -06002416 MPT_ADAPTER *ioc = hd->ioc;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002417
2418 /* Get target structure
2419 */
2420 pReq = (SCSIIORequest_t *) mf;
Eric Moorea69de502007-09-14 18:48:19 -06002421 vdevice = sc->device->hostdata;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002422
2423 if (sense_count) {
2424 u8 *sense_data;
2425 int req_index;
2426
2427 /* Copy the sense received into the scsi command block. */
2428 req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
Eric Mooree80b0022007-09-14 18:49:03 -06002429 sense_data = ((u8 *)ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002430 memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc));
2431
2432 /* Log SMART data (asc = 0x5D, non-IM case only) if required.
2433 */
Eric Mooree80b0022007-09-14 18:49:03 -06002434 if ((ioc->events) && (ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) {
Eric Moorea69de502007-09-14 18:48:19 -06002435 if ((sense_data[12] == 0x5D) && (vdevice->vtarget->raidVolume == 0)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -07002436 int idx;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002437
Moore, Eric5b5ef4f2006-02-02 17:19:40 -07002438 idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002439 ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
2440 ioc->events[idx].eventContext = ioc->eventContext;
2441
Dave Jones3d9780b2007-05-21 20:59:47 -04002442 ioc->events[idx].data[0] = (pReq->LUN[1] << 24) |
2443 (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) |
2444 (sc->device->channel << 8) | sc->device->id;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002445
Dave Jones3d9780b2007-05-21 20:59:47 -04002446 ioc->events[idx].data[1] = (sense_data[13] << 8) | sense_data[12];
Linus Torvalds1da177e2005-04-16 15:20:36 -07002447
2448 ioc->eventContext++;
Eric Mooree80b0022007-09-14 18:49:03 -06002449 if (ioc->pcidev->vendor ==
Eric Moore786899b2006-07-11 17:22:22 -06002450 PCI_VENDOR_ID_IBM) {
Eric Mooree80b0022007-09-14 18:49:03 -06002451 mptscsih_issue_sep_command(ioc,
Eric Moorea69de502007-09-14 18:48:19 -06002452 vdevice->vtarget, MPI_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
2453 vdevice->vtarget->tflags |=
Eric Moore786899b2006-07-11 17:22:22 -06002454 MPT_TARGET_FLAGS_LED_ON;
2455 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002456 }
2457 }
2458 } else {
Eric Mooree80b0022007-09-14 18:49:03 -06002459 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Hmmm... SenseData len=0! (?)\n",
2460 ioc->name));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002461 }
2462}
2463
Kashyap, Desaidb7051b2009-05-29 16:56:59 +05302464/**
2465 * mptscsih_get_scsi_lookup - retrieves scmd entry
2466 * @ioc: Pointer to MPT_ADAPTER structure
2467 * @i: index into the array
2468 *
2469 * Returns the scsi_cmd pointer
2470 */
2471struct scsi_cmnd *
2472mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i)
2473{
2474 unsigned long flags;
2475 struct scsi_cmnd *scmd;
2476
2477 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2478 scmd = ioc->ScsiLookup[i];
2479 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2480
2481 return scmd;
2482}
2483EXPORT_SYMBOL(mptscsih_get_scsi_lookup);
Eric Mooree8206382007-09-29 10:16:53 -06002484
2485/**
James Bottomleyfc847ab2009-06-09 23:01:01 +00002486 * mptscsih_getclear_scsi_lookup - retrieves and clears scmd entry from ScsiLookup[] array list
Kashyap, Desai2f187862009-05-29 16:52:37 +05302487 * @ioc: Pointer to MPT_ADAPTER structure
2488 * @i: index into the array
2489 *
Randy Dunlap7105a382008-02-29 22:03:27 -08002490 * Returns the scsi_cmd pointer
Kashyap, Desai2f187862009-05-29 16:52:37 +05302491 *
Eric Mooree8206382007-09-29 10:16:53 -06002492 **/
2493static struct scsi_cmnd *
2494mptscsih_getclear_scsi_lookup(MPT_ADAPTER *ioc, int i)
2495{
2496 unsigned long flags;
2497 struct scsi_cmnd *scmd;
2498
2499 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2500 scmd = ioc->ScsiLookup[i];
2501 ioc->ScsiLookup[i] = NULL;
2502 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2503
2504 return scmd;
2505}
2506
2507/**
Ben Hutchings9b8f77a2010-05-23 17:02:30 -07002508 * mptscsih_set_scsi_lookup - write a scmd entry into the ScsiLookup[] array list
Eric Mooree8206382007-09-29 10:16:53 -06002509 *
2510 * @ioc: Pointer to MPT_ADAPTER structure
2511 * @i: index into the array
2512 * @scmd: scsi_cmnd pointer
2513 *
2514 **/
2515static void
2516mptscsih_set_scsi_lookup(MPT_ADAPTER *ioc, int i, struct scsi_cmnd *scmd)
2517{
2518 unsigned long flags;
2519
2520 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2521 ioc->ScsiLookup[i] = scmd;
2522 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2523}
2524
2525/**
Randy Dunlap23f9b752007-10-15 17:29:33 -07002526 * SCPNT_TO_LOOKUP_IDX - searches for a given scmd in the ScsiLookup[] array list
Eric Mooree8206382007-09-29 10:16:53 -06002527 * @ioc: Pointer to MPT_ADAPTER structure
Randy Dunlap23f9b752007-10-15 17:29:33 -07002528 * @sc: scsi_cmnd pointer
2529 */
Eric Mooree8206382007-09-29 10:16:53 -06002530static int
2531SCPNT_TO_LOOKUP_IDX(MPT_ADAPTER *ioc, struct scsi_cmnd *sc)
2532{
2533 unsigned long flags;
2534 int i, index=-1;
2535
2536 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2537 for (i = 0; i < ioc->req_depth; i++) {
2538 if (ioc->ScsiLookup[i] == sc) {
2539 index = i;
2540 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002541 }
2542 }
2543
Eric Mooree8206382007-09-29 10:16:53 -06002544 out:
2545 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2546 return index;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002547}
2548
2549/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002550int
Linus Torvalds1da177e2005-04-16 15:20:36 -07002551mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
2552{
2553 MPT_SCSI_HOST *hd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002554
Eric Mooree7eae9f2007-09-29 10:15:59 -06002555 if (ioc->sh == NULL || shost_priv(ioc->sh) == NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002556 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002557
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302558 hd = shost_priv(ioc->sh);
2559 switch (reset_phase) {
2560 case MPT_IOC_SETUP_RESET:
2561 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2562 "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302563 break;
2564 case MPT_IOC_PRE_RESET:
2565 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2566 "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302567 mptscsih_flush_running_cmds(hd);
2568 break;
2569 case MPT_IOC_POST_RESET:
2570 dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2571 "%s: MPT_IOC_POST_RESET\n", ioc->name, __func__));
2572 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING) {
2573 ioc->internal_cmds.status |=
2574 MPT_MGMT_STATUS_DID_IOCRESET;
2575 complete(&ioc->internal_cmds.done);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002576 }
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302577 break;
2578 default:
2579 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002580 }
Linus Torvalds1da177e2005-04-16 15:20:36 -07002581 return 1; /* currently means nothing really */
2582}
2583
2584/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002585int
Linus Torvalds1da177e2005-04-16 15:20:36 -07002586mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
2587{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002588 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
2589
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302590 devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2591 "MPT event (=%02Xh) routed to SCSI host driver!\n",
2592 ioc->name, event));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002593
Kashyap, Desai2f187862009-05-29 16:52:37 +05302594 if ((event == MPI_EVENT_IOC_BUS_RESET ||
2595 event == MPI_EVENT_EXT_BUS_RESET) &&
2596 (ioc->bus_type == SPI) && (ioc->soft_resets < -1))
2597 ioc->soft_resets++;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002598
2599 return 1; /* currently means nothing really */
2600}
2601
Linus Torvalds1da177e2005-04-16 15:20:36 -07002602/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2603/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002604 * Bus Scan and Domain Validation functionality ...
2605 */
2606
2607/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2608/*
2609 * mptscsih_scandv_complete - Scan and DV callback routine registered
2610 * to Fustion MPT (base) driver.
2611 *
2612 * @ioc: Pointer to MPT_ADAPTER structure
2613 * @mf: Pointer to original MPT request frame
2614 * @mr: Pointer to MPT reply frame (NULL if TurboReply)
2615 *
2616 * This routine is called from mpt.c::mpt_interrupt() at the completion
2617 * of any SCSI IO request.
2618 * This routine is registered with the Fusion MPT (base) driver at driver
2619 * load/init time via the mpt_register() API call.
2620 *
2621 * Returns 1 indicating alloc'd request frame ptr should be freed.
2622 *
2623 * Remark: Sets a completion code and (possibly) saves sense data
2624 * in the IOC member localReply structure.
2625 * Used ONLY for DV and other internal commands.
2626 */
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002627int
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302628mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2629 MPT_FRAME_HDR *reply)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002630{
Linus Torvalds1da177e2005-04-16 15:20:36 -07002631 SCSIIORequest_t *pReq;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302632 SCSIIOReply_t *pReply;
2633 u8 cmd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002634 u16 req_idx;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302635 u8 *sense_data;
2636 int sz;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002637
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302638 ioc->internal_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
2639 ioc->internal_cmds.completion_code = MPT_SCANDV_GOOD;
2640 if (!reply)
2641 goto out;
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04002642
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302643 pReply = (SCSIIOReply_t *) reply;
2644 pReq = (SCSIIORequest_t *) req;
2645 ioc->internal_cmds.completion_code =
2646 mptscsih_get_completion_code(ioc, req, reply);
2647 ioc->internal_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
2648 memcpy(ioc->internal_cmds.reply, reply,
2649 min(MPT_DEFAULT_FRAME_SIZE, 4 * reply->u.reply.MsgLength));
2650 cmd = reply->u.hdr.Function;
2651 if (((cmd == MPI_FUNCTION_SCSI_IO_REQUEST) ||
2652 (cmd == MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) &&
2653 (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)) {
2654 req_idx = le16_to_cpu(req->u.frame.hwhdr.msgctxu.fld.req_idx);
2655 sense_data = ((u8 *)ioc->sense_buf_pool +
2656 (req_idx * MPT_SENSE_BUFFER_ALLOC));
2657 sz = min_t(int, pReq->SenseBufferLength,
2658 MPT_SENSE_BUFFER_ALLOC);
2659 memcpy(ioc->internal_cmds.sense, sense_data, sz);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002660 }
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302661 out:
2662 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_PENDING))
2663 return 0;
2664 ioc->internal_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
2665 complete(&ioc->internal_cmds.done);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002666 return 1;
2667}
2668
Linus Torvalds1da177e2005-04-16 15:20:36 -07002669
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302670/**
Ben Hutchings9b8f77a2010-05-23 17:02:30 -07002671 * mptscsih_get_completion_code - get completion code from MPT request
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302672 * @ioc: Pointer to MPT_ADAPTER structure
Randy Dunlap9cf46a32009-06-13 19:37:18 -07002673 * @req: Pointer to original MPT request frame
2674 * @reply: Pointer to MPT reply frame (NULL if TurboReply)
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302675 *
2676 **/
2677static int
2678mptscsih_get_completion_code(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
2679 MPT_FRAME_HDR *reply)
2680{
2681 SCSIIOReply_t *pReply;
2682 MpiRaidActionReply_t *pr;
2683 u8 scsi_status;
2684 u16 status;
2685 int completion_code;
2686
2687 pReply = (SCSIIOReply_t *)reply;
2688 status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
2689 scsi_status = pReply->SCSIStatus;
2690
2691 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2692 "IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh,"
2693 "IOCLogInfo=%08xh\n", ioc->name, status, pReply->SCSIState,
2694 scsi_status, le32_to_cpu(pReply->IOCLogInfo)));
2695
2696 switch (status) {
2697
2698 case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
2699 completion_code = MPT_SCANDV_SELECTION_TIMEOUT;
2700 break;
2701
2702 case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
2703 case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
2704 case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
2705 case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
2706 completion_code = MPT_SCANDV_DID_RESET;
2707 break;
2708
2709 case MPI_IOCSTATUS_BUSY:
2710 case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:
2711 completion_code = MPT_SCANDV_BUSY;
2712 break;
2713
2714 case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
2715 case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
2716 case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */
2717 if (pReply->Function == MPI_FUNCTION_CONFIG) {
2718 completion_code = MPT_SCANDV_GOOD;
2719 } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) {
2720 pr = (MpiRaidActionReply_t *)reply;
2721 if (le16_to_cpu(pr->ActionStatus) ==
2722 MPI_RAID_ACTION_ASTATUS_SUCCESS)
2723 completion_code = MPT_SCANDV_GOOD;
2724 else
2725 completion_code = MPT_SCANDV_SOME_ERROR;
2726 } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID)
2727 completion_code = MPT_SCANDV_SENSE;
2728 else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) {
2729 if (req->u.scsireq.CDB[0] == INQUIRY)
2730 completion_code = MPT_SCANDV_ISSUE_SENSE;
2731 else
2732 completion_code = MPT_SCANDV_DID_RESET;
2733 } else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS)
2734 completion_code = MPT_SCANDV_DID_RESET;
2735 else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2736 completion_code = MPT_SCANDV_DID_RESET;
2737 else if (scsi_status == MPI_SCSI_STATUS_BUSY)
2738 completion_code = MPT_SCANDV_BUSY;
2739 else
2740 completion_code = MPT_SCANDV_GOOD;
2741 break;
2742
2743 case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
2744 if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED)
2745 completion_code = MPT_SCANDV_DID_RESET;
2746 else
2747 completion_code = MPT_SCANDV_SOME_ERROR;
2748 break;
2749 default:
2750 completion_code = MPT_SCANDV_SOME_ERROR;
2751 break;
2752
2753 } /* switch(status) */
2754
2755 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2756 " completionCode set to %08xh\n", ioc->name, completion_code));
2757 return completion_code;
2758}
Linus Torvalds1da177e2005-04-16 15:20:36 -07002759
2760/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2761/**
2762 * mptscsih_do_cmd - Do internal command.
2763 * @hd: MPT_SCSI_HOST pointer
2764 * @io: INTERNAL_CMD pointer.
2765 *
2766 * Issue the specified internally generated command and do command
2767 * specific cleanup. For bus scan / DV only.
2768 * NOTES: If command is Inquiry and status is good,
2769 * initialize a target structure, save the data
2770 *
2771 * Remark: Single threaded access only.
2772 *
2773 * Return:
2774 * < 0 if an illegal command or no resources
2775 *
2776 * 0 if good
2777 *
2778 * > 0 if command complete but some type of completion error.
2779 */
2780static int
2781mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
2782{
2783 MPT_FRAME_HDR *mf;
2784 SCSIIORequest_t *pScsiReq;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002785 int my_idx, ii, dir;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302786 int timeout;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002787 char cmdLen;
2788 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 +05302789 u8 cmd = io->cmd;
2790 MPT_ADAPTER *ioc = hd->ioc;
2791 int ret = 0;
2792 unsigned long timeleft;
2793 unsigned long flags;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002794
Kashyap, Desai1ba9ab22009-05-29 16:44:48 +05302795 /* don't send internal command during diag reset */
2796 spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
2797 if (ioc->ioc_reset_in_progress) {
2798 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2799 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2800 "%s: busy with host reset\n", ioc->name, __func__));
2801 return MPT_SCANDV_BUSY;
2802 }
2803 spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
2804
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302805 mutex_lock(&ioc->internal_cmds.mutex);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002806
2807 /* Set command specific information
2808 */
2809 switch (cmd) {
2810 case INQUIRY:
2811 cmdLen = 6;
2812 dir = MPI_SCSIIO_CONTROL_READ;
2813 CDB[0] = cmd;
2814 CDB[4] = io->size;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302815 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002816 break;
2817
2818 case TEST_UNIT_READY:
2819 cmdLen = 6;
2820 dir = MPI_SCSIIO_CONTROL_READ;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302821 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002822 break;
2823
2824 case START_STOP:
2825 cmdLen = 6;
2826 dir = MPI_SCSIIO_CONTROL_READ;
2827 CDB[0] = cmd;
2828 CDB[4] = 1; /*Spin up the disk */
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302829 timeout = 15;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002830 break;
2831
2832 case REQUEST_SENSE:
2833 cmdLen = 6;
2834 CDB[0] = cmd;
2835 CDB[4] = io->size;
2836 dir = MPI_SCSIIO_CONTROL_READ;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302837 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002838 break;
2839
2840 case READ_BUFFER:
2841 cmdLen = 10;
2842 dir = MPI_SCSIIO_CONTROL_READ;
2843 CDB[0] = cmd;
2844 if (io->flags & MPT_ICFLAG_ECHO) {
2845 CDB[1] = 0x0A;
2846 } else {
2847 CDB[1] = 0x02;
2848 }
2849
2850 if (io->flags & MPT_ICFLAG_BUF_CAP) {
2851 CDB[1] |= 0x01;
2852 }
2853 CDB[6] = (io->size >> 16) & 0xFF;
2854 CDB[7] = (io->size >> 8) & 0xFF;
2855 CDB[8] = io->size & 0xFF;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302856 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002857 break;
2858
2859 case WRITE_BUFFER:
2860 cmdLen = 10;
2861 dir = MPI_SCSIIO_CONTROL_WRITE;
2862 CDB[0] = cmd;
2863 if (io->flags & MPT_ICFLAG_ECHO) {
2864 CDB[1] = 0x0A;
2865 } else {
2866 CDB[1] = 0x02;
2867 }
2868 CDB[6] = (io->size >> 16) & 0xFF;
2869 CDB[7] = (io->size >> 8) & 0xFF;
2870 CDB[8] = io->size & 0xFF;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302871 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002872 break;
2873
2874 case RESERVE:
2875 cmdLen = 6;
2876 dir = MPI_SCSIIO_CONTROL_READ;
2877 CDB[0] = cmd;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302878 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002879 break;
2880
2881 case RELEASE:
2882 cmdLen = 6;
2883 dir = MPI_SCSIIO_CONTROL_READ;
2884 CDB[0] = cmd;
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302885 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002886 break;
2887
2888 case SYNCHRONIZE_CACHE:
2889 cmdLen = 10;
2890 dir = MPI_SCSIIO_CONTROL_READ;
2891 CDB[0] = cmd;
2892// CDB[1] = 0x02; /* set immediate bit */
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302893 timeout = 10;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002894 break;
2895
2896 default:
2897 /* Error Case */
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302898 ret = -EFAULT;
2899 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002900 }
2901
2902 /* Get and Populate a free Frame
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302903 * MsgContext set in mpt_get_msg_frame call
Linus Torvalds1da177e2005-04-16 15:20:36 -07002904 */
Eric Mooree80b0022007-09-14 18:49:03 -06002905 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302906 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: No msg frames!\n",
2907 ioc->name, __func__));
2908 ret = MPT_SCANDV_BUSY;
2909 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002910 }
2911
2912 pScsiReq = (SCSIIORequest_t *) mf;
2913
2914 /* Get the request index */
2915 my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
2916 ADD_INDEX_LOG(my_idx); /* for debug */
2917
2918 if (io->flags & MPT_ICFLAG_PHYS_DISK) {
2919 pScsiReq->TargetID = io->physDiskNum;
2920 pScsiReq->Bus = 0;
2921 pScsiReq->ChainOffset = 0;
2922 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
2923 } else {
2924 pScsiReq->TargetID = io->id;
Eric Moore793955f2007-01-29 09:42:20 -07002925 pScsiReq->Bus = io->channel;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002926 pScsiReq->ChainOffset = 0;
2927 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
2928 }
2929
2930 pScsiReq->CDBLength = cmdLen;
2931 pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
2932
2933 pScsiReq->Reserved = 0;
2934
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05302935 pScsiReq->MsgFlags = mpt_msg_flags(ioc);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002936 /* MsgContext set in mpt_get_msg_fram call */
2937
Eric Moore793955f2007-01-29 09:42:20 -07002938 int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002939
2940 if (io->flags & MPT_ICFLAG_TAGGED_CMD)
2941 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
2942 else
2943 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
2944
2945 if (cmd == REQUEST_SENSE) {
2946 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED);
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302947 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2948 "%s: Untagged! 0x%02x\n", ioc->name, __func__, cmd));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002949 }
2950
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302951 for (ii = 0; ii < 16; ii++)
Linus Torvalds1da177e2005-04-16 15:20:36 -07002952 pScsiReq->CDB[ii] = CDB[ii];
2953
2954 pScsiReq->DataLength = cpu_to_le32(io->size);
Eric Mooree80b0022007-09-14 18:49:03 -06002955 pScsiReq->SenseBufferLowAddr = cpu_to_le32(ioc->sense_buf_low_dma
Linus Torvalds1da177e2005-04-16 15:20:36 -07002956 + (my_idx * MPT_SENSE_BUFFER_ALLOC));
2957
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302958 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
Hannes Reinecke9cb78c12014-06-25 15:27:36 +02002959 "%s: Sending Command 0x%02x for fw_channel=%d fw_id=%d lun=%llu\n",
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302960 ioc->name, __func__, cmd, io->channel, io->id, io->lun));
Linus Torvalds1da177e2005-04-16 15:20:36 -07002961
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302962 if (dir == MPI_SCSIIO_CONTROL_READ)
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05302963 ioc->add_sge((char *) &pScsiReq->SGL,
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302964 MPT_SGE_FLAGS_SSIMPLE_READ | io->size, io->data_dma);
2965 else
Kashyap, Desai14d0f0b2009-05-29 16:37:04 +05302966 ioc->add_sge((char *) &pScsiReq->SGL,
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302967 MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, io->data_dma);
Linus Torvalds1da177e2005-04-16 15:20:36 -07002968
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302969 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
Eric Mooree80b0022007-09-14 18:49:03 -06002970 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302971 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done,
2972 timeout*HZ);
2973 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
2974 ret = MPT_SCANDV_DID_RESET;
2975 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
2976 "%s: TIMED OUT for cmd=0x%02x\n", ioc->name, __func__,
2977 cmd));
2978 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET) {
2979 mpt_free_msg_frame(ioc, mf);
2980 goto out;
2981 }
2982 if (!timeleft) {
Kei Tokunaga97009a22010-06-22 19:01:51 +09002983 printk(MYIOC_s_WARN_FMT
2984 "Issuing Reset from %s!! doorbell=0x%08xh"
2985 " cmd=0x%02x\n",
2986 ioc->name, __func__, mpt_GetIocState(ioc, 0),
2987 cmd);
Kashyap, Desaid0f698c2010-03-18 19:12:17 +05302988 mpt_Soft_Hard_ResetHandler(ioc, CAN_SLEEP);
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302989 mpt_free_msg_frame(ioc, mf);
2990 }
2991 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -07002992 }
2993
Kashyap, Desai37c60f32009-05-29 16:44:06 +05302994 ret = ioc->internal_cmds.completion_code;
2995 devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: success, rc=0x%02x\n",
2996 ioc->name, __func__, ret));
2997
2998 out:
2999 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
3000 mutex_unlock(&ioc->internal_cmds.mutex);
3001 return ret;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003002}
3003
3004/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
3005/**
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07003006 * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks.
3007 * @hd: Pointer to a SCSI HOST structure
Randy Dunlapd9489fb2006-12-06 20:38:43 -08003008 * @vdevice: virtual target device
Moore, Eric Deanc7c82982005-11-16 18:54:25 -07003009 *
3010 * Uses the ISR, but with special processing.
3011 * MUST be single-threaded.
3012 *
3013 */
3014static void
3015mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
3016{
3017 INTERNAL_CMD iocmd;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003018
Eric Moorecc78d302007-06-15 17:27:21 -06003019 /* Ignore hidden raid components, this is handled when the command
3020 * is sent to the volume
3021 */
3022 if (vdevice->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT)
3023 return;
3024
3025 if (vdevice->vtarget->type != TYPE_DISK || vdevice->vtarget->deleted ||
3026 !vdevice->configured_lun)
3027 return;
3028
Linus Torvalds1da177e2005-04-16 15:20:36 -07003029 /* Following parameters will not change
3030 * in this routine.
3031 */
3032 iocmd.cmd = SYNCHRONIZE_CACHE;
3033 iocmd.flags = 0;
3034 iocmd.physDiskNum = -1;
3035 iocmd.data = NULL;
3036 iocmd.data_dma = -1;
3037 iocmd.size = 0;
3038 iocmd.rsvd = iocmd.rsvd2 = 0;
Eric Moore793955f2007-01-29 09:42:20 -07003039 iocmd.channel = vdevice->vtarget->channel;
3040 iocmd.id = vdevice->vtarget->id;
3041 iocmd.lun = vdevice->lun;
Linus Torvalds1da177e2005-04-16 15:20:36 -07003042
Eric Moorecc78d302007-06-15 17:27:21 -06003043 mptscsih_do_cmd(hd, &iocmd);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003044}
3045
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303046static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003047mptscsih_version_fw_show(struct device *dev, struct device_attribute *attr,
3048 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303049{
Tony Jonesee959b02008-02-22 00:13:36 +01003050 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003051 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303052 MPT_ADAPTER *ioc = hd->ioc;
3053
3054 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
3055 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
3056 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
3057 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
3058 ioc->facts.FWVersion.Word & 0x000000FF);
3059}
Tony Jonesee959b02008-02-22 00:13:36 +01003060static DEVICE_ATTR(version_fw, S_IRUGO, mptscsih_version_fw_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303061
3062static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003063mptscsih_version_bios_show(struct device *dev, struct device_attribute *attr,
3064 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303065{
Tony Jonesee959b02008-02-22 00:13:36 +01003066 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003067 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303068 MPT_ADAPTER *ioc = hd->ioc;
3069
3070 return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x.%02x\n",
3071 (ioc->biosVersion & 0xFF000000) >> 24,
3072 (ioc->biosVersion & 0x00FF0000) >> 16,
3073 (ioc->biosVersion & 0x0000FF00) >> 8,
3074 ioc->biosVersion & 0x000000FF);
3075}
Tony Jonesee959b02008-02-22 00:13:36 +01003076static DEVICE_ATTR(version_bios, S_IRUGO, mptscsih_version_bios_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303077
3078static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003079mptscsih_version_mpi_show(struct device *dev, struct device_attribute *attr,
3080 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303081{
Tony Jonesee959b02008-02-22 00:13:36 +01003082 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003083 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303084 MPT_ADAPTER *ioc = hd->ioc;
3085
3086 return snprintf(buf, PAGE_SIZE, "%03x\n", ioc->facts.MsgVersion);
3087}
Tony Jonesee959b02008-02-22 00:13:36 +01003088static DEVICE_ATTR(version_mpi, S_IRUGO, mptscsih_version_mpi_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303089
3090static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003091mptscsih_version_product_show(struct device *dev,
3092 struct device_attribute *attr,
3093char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303094{
Tony Jonesee959b02008-02-22 00:13:36 +01003095 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003096 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303097 MPT_ADAPTER *ioc = hd->ioc;
3098
3099 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->prod_name);
3100}
Tony Jonesee959b02008-02-22 00:13:36 +01003101static DEVICE_ATTR(version_product, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303102 mptscsih_version_product_show, NULL);
3103
3104static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003105mptscsih_version_nvdata_persistent_show(struct device *dev,
3106 struct device_attribute *attr,
3107 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303108{
Tony Jonesee959b02008-02-22 00:13:36 +01003109 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003110 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303111 MPT_ADAPTER *ioc = hd->ioc;
3112
3113 return snprintf(buf, PAGE_SIZE, "%02xh\n",
3114 ioc->nvdata_version_persistent);
3115}
Tony Jonesee959b02008-02-22 00:13:36 +01003116static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303117 mptscsih_version_nvdata_persistent_show, NULL);
3118
3119static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003120mptscsih_version_nvdata_default_show(struct device *dev,
3121 struct device_attribute *attr, char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303122{
Tony Jonesee959b02008-02-22 00:13:36 +01003123 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003124 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303125 MPT_ADAPTER *ioc = hd->ioc;
3126
3127 return snprintf(buf, PAGE_SIZE, "%02xh\n",ioc->nvdata_version_default);
3128}
Tony Jonesee959b02008-02-22 00:13:36 +01003129static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303130 mptscsih_version_nvdata_default_show, NULL);
3131
3132static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003133mptscsih_board_name_show(struct device *dev, struct device_attribute *attr,
3134 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303135{
Tony Jonesee959b02008-02-22 00:13:36 +01003136 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003137 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303138 MPT_ADAPTER *ioc = hd->ioc;
3139
3140 return snprintf(buf, PAGE_SIZE, "%s\n", ioc->board_name);
3141}
Tony Jonesee959b02008-02-22 00:13:36 +01003142static DEVICE_ATTR(board_name, S_IRUGO, mptscsih_board_name_show, NULL);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303143
3144static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003145mptscsih_board_assembly_show(struct device *dev,
3146 struct device_attribute *attr, 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, "%s\n", ioc->board_assembly);
3153}
Tony Jonesee959b02008-02-22 00:13:36 +01003154static DEVICE_ATTR(board_assembly, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303155 mptscsih_board_assembly_show, NULL);
3156
3157static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003158mptscsih_board_tracer_show(struct device *dev, struct device_attribute *attr,
3159 char *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->board_tracer);
3166}
Tony Jonesee959b02008-02-22 00:13:36 +01003167static DEVICE_ATTR(board_tracer, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303168 mptscsih_board_tracer_show, NULL);
3169
3170static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003171mptscsih_io_delay_show(struct device *dev, struct device_attribute *attr,
3172 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303173{
Tony Jonesee959b02008-02-22 00:13:36 +01003174 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003175 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303176 MPT_ADAPTER *ioc = hd->ioc;
3177
3178 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
3179}
Tony Jonesee959b02008-02-22 00:13:36 +01003180static DEVICE_ATTR(io_delay, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303181 mptscsih_io_delay_show, NULL);
3182
3183static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003184mptscsih_device_delay_show(struct device *dev, struct device_attribute *attr,
3185 char *buf)
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303186{
Tony Jonesee959b02008-02-22 00:13:36 +01003187 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003188 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303189 MPT_ADAPTER *ioc = hd->ioc;
3190
3191 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
3192}
Tony Jonesee959b02008-02-22 00:13:36 +01003193static DEVICE_ATTR(device_delay, S_IRUGO,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303194 mptscsih_device_delay_show, NULL);
3195
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303196static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003197mptscsih_debug_level_show(struct device *dev, struct device_attribute *attr,
3198 char *buf)
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303199{
Tony Jonesee959b02008-02-22 00:13:36 +01003200 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003201 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303202 MPT_ADAPTER *ioc = hd->ioc;
3203
3204 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->debug_level);
3205}
3206static ssize_t
Tony Jonesee959b02008-02-22 00:13:36 +01003207mptscsih_debug_level_store(struct device *dev, struct device_attribute *attr,
3208 const char *buf, size_t count)
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303209{
Tony Jonesee959b02008-02-22 00:13:36 +01003210 struct Scsi_Host *host = class_to_shost(dev);
Eric Mooree7eae9f2007-09-29 10:15:59 -06003211 MPT_SCSI_HOST *hd = shost_priv(host);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303212 MPT_ADAPTER *ioc = hd->ioc;
3213 int val = 0;
3214
3215 if (sscanf(buf, "%x", &val) != 1)
3216 return -EINVAL;
3217
3218 ioc->debug_level = val;
3219 printk(MYIOC_s_INFO_FMT "debug_level=%08xh\n",
3220 ioc->name, ioc->debug_level);
3221 return strlen(buf);
3222}
Tony Jonesee959b02008-02-22 00:13:36 +01003223static DEVICE_ATTR(debug_level, S_IRUGO | S_IWUSR,
3224 mptscsih_debug_level_show, mptscsih_debug_level_store);
Prakash, Sathya6757d6b2007-07-25 11:14:01 +05303225
Tony Jonesee959b02008-02-22 00:13:36 +01003226struct device_attribute *mptscsih_host_attrs[] = {
3227 &dev_attr_version_fw,
3228 &dev_attr_version_bios,
3229 &dev_attr_version_mpi,
3230 &dev_attr_version_product,
3231 &dev_attr_version_nvdata_persistent,
3232 &dev_attr_version_nvdata_default,
3233 &dev_attr_board_name,
3234 &dev_attr_board_assembly,
3235 &dev_attr_board_tracer,
3236 &dev_attr_io_delay,
3237 &dev_attr_device_delay,
3238 &dev_attr_debug_level,
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303239 NULL,
3240};
Kashyap, Desai37c60f32009-05-29 16:44:06 +05303241
Prakash, Sathyaedb90682007-07-17 14:39:14 +05303242EXPORT_SYMBOL(mptscsih_host_attrs);
3243
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003244EXPORT_SYMBOL(mptscsih_remove);
3245EXPORT_SYMBOL(mptscsih_shutdown);
3246#ifdef CONFIG_PM
3247EXPORT_SYMBOL(mptscsih_suspend);
3248EXPORT_SYMBOL(mptscsih_resume);
3249#endif
Al Virocac19702013-03-31 01:42:38 -04003250EXPORT_SYMBOL(mptscsih_show_info);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003251EXPORT_SYMBOL(mptscsih_info);
3252EXPORT_SYMBOL(mptscsih_qcmd);
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003253EXPORT_SYMBOL(mptscsih_slave_destroy);
3254EXPORT_SYMBOL(mptscsih_slave_configure);
3255EXPORT_SYMBOL(mptscsih_abort);
3256EXPORT_SYMBOL(mptscsih_dev_reset);
3257EXPORT_SYMBOL(mptscsih_bus_reset);
3258EXPORT_SYMBOL(mptscsih_host_reset);
3259EXPORT_SYMBOL(mptscsih_bios_param);
3260EXPORT_SYMBOL(mptscsih_io_done);
3261EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
3262EXPORT_SYMBOL(mptscsih_scandv_complete);
3263EXPORT_SYMBOL(mptscsih_event_process);
3264EXPORT_SYMBOL(mptscsih_ioc_reset);
Moore, Eric Dean6e3815b2005-06-24 12:18:57 -06003265EXPORT_SYMBOL(mptscsih_change_queue_depth);
Linus Torvalds1da177e2005-04-16 15:20:36 -07003266
Moore, Eric Dean 0d0c7972005-04-22 18:02:09 -04003267/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/