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1da177e4 LT |
1 | /* |
2 | * linux/drivers/message/fusion/mptscsih.c | |
0d0c7974 | 3 | * For use with LSI Logic PCI chip/adapter(s) |
1da177e4 LT |
4 | * running LSI Logic Fusion MPT (Message Passing Technology) firmware. |
5 | * | |
0d0c7974 | 6 | * Copyright (c) 1999-2005 LSI Logic Corporation |
1da177e4 LT |
7 | * (mailto:mpt_linux_developer@lsil.com) |
8 | * | |
1da177e4 LT |
9 | */ |
10 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
11 | /* | |
12 | This program is free software; you can redistribute it and/or modify | |
13 | it under the terms of the GNU General Public License as published by | |
14 | the Free Software Foundation; version 2 of the License. | |
15 | ||
16 | This program is distributed in the hope that it will be useful, | |
17 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | GNU General Public License for more details. | |
20 | ||
21 | NO WARRANTY | |
22 | THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR | |
23 | CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT | |
24 | LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, | |
25 | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is | |
26 | solely responsible for determining the appropriateness of using and | |
27 | distributing the Program and assumes all risks associated with its | |
28 | exercise of rights under this Agreement, including but not limited to | |
29 | the risks and costs of program errors, damage to or loss of data, | |
30 | programs or equipment, and unavailability or interruption of operations. | |
31 | ||
32 | DISCLAIMER OF LIABILITY | |
33 | NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY | |
34 | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
35 | DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND | |
36 | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
37 | TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE | |
38 | USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED | |
39 | HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES | |
40 | ||
41 | You should have received a copy of the GNU General Public License | |
42 | along with this program; if not, write to the Free Software | |
43 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
44 | */ | |
45 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
46 | ||
47 | #include "linux_compat.h" /* linux-2.6 tweaks */ | |
48 | #include <linux/module.h> | |
49 | #include <linux/kernel.h> | |
50 | #include <linux/init.h> | |
51 | #include <linux/errno.h> | |
52 | #include <linux/kdev_t.h> | |
53 | #include <linux/blkdev.h> | |
54 | #include <linux/delay.h> /* for mdelay */ | |
55 | #include <linux/interrupt.h> /* needed for in_interrupt() proto */ | |
56 | #include <linux/reboot.h> /* notifier code */ | |
57 | #include <linux/sched.h> | |
58 | #include <linux/workqueue.h> | |
59 | ||
60 | #include <scsi/scsi.h> | |
61 | #include <scsi/scsi_cmnd.h> | |
62 | #include <scsi/scsi_device.h> | |
63 | #include <scsi/scsi_host.h> | |
64 | #include <scsi/scsi_tcq.h> | |
65 | ||
66 | #include "mptbase.h" | |
67 | #include "mptscsih.h" | |
68 | ||
69 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
70 | #define my_NAME "Fusion MPT SCSI Host driver" | |
71 | #define my_VERSION MPT_LINUX_VERSION_COMMON | |
72 | #define MYNAM "mptscsih" | |
73 | ||
74 | MODULE_AUTHOR(MODULEAUTHOR); | |
75 | MODULE_DESCRIPTION(my_NAME); | |
76 | MODULE_LICENSE("GPL"); | |
77 | ||
1da177e4 LT |
78 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
79 | ||
80 | typedef struct _BIG_SENSE_BUF { | |
81 | u8 data[MPT_SENSE_BUFFER_ALLOC]; | |
82 | } BIG_SENSE_BUF; | |
83 | ||
84 | #define MPT_SCANDV_GOOD (0x00000000) /* must be 0 */ | |
85 | #define MPT_SCANDV_DID_RESET (0x00000001) | |
86 | #define MPT_SCANDV_SENSE (0x00000002) | |
87 | #define MPT_SCANDV_SOME_ERROR (0x00000004) | |
88 | #define MPT_SCANDV_SELECTION_TIMEOUT (0x00000008) | |
89 | #define MPT_SCANDV_ISSUE_SENSE (0x00000010) | |
90 | #define MPT_SCANDV_FALLBACK (0x00000020) | |
91 | ||
92 | #define MPT_SCANDV_MAX_RETRIES (10) | |
93 | ||
94 | #define MPT_ICFLAG_BUF_CAP 0x01 /* ReadBuffer Read Capacity format */ | |
95 | #define MPT_ICFLAG_ECHO 0x02 /* ReadBuffer Echo buffer format */ | |
96 | #define MPT_ICFLAG_PHYS_DISK 0x04 /* Any SCSI IO but do Phys Disk Format */ | |
97 | #define MPT_ICFLAG_TAGGED_CMD 0x08 /* Do tagged IO */ | |
98 | #define MPT_ICFLAG_DID_RESET 0x20 /* Bus Reset occurred with this command */ | |
99 | #define MPT_ICFLAG_RESERVED 0x40 /* Reserved has been issued */ | |
100 | ||
101 | typedef struct _internal_cmd { | |
102 | char *data; /* data pointer */ | |
103 | dma_addr_t data_dma; /* data dma address */ | |
104 | int size; /* transfer size */ | |
105 | u8 cmd; /* SCSI Op Code */ | |
106 | u8 bus; /* bus number */ | |
107 | u8 id; /* SCSI ID (virtual) */ | |
108 | u8 lun; | |
109 | u8 flags; /* Bit Field - See above */ | |
110 | u8 physDiskNum; /* Phys disk number, -1 else */ | |
111 | u8 rsvd2; | |
112 | u8 rsvd; | |
113 | } INTERNAL_CMD; | |
114 | ||
115 | typedef struct _negoparms { | |
116 | u8 width; | |
117 | u8 offset; | |
118 | u8 factor; | |
119 | u8 flags; | |
120 | } NEGOPARMS; | |
121 | ||
122 | typedef struct _dv_parameters { | |
123 | NEGOPARMS max; | |
124 | NEGOPARMS now; | |
125 | u8 cmd; | |
126 | u8 id; | |
127 | u16 pad1; | |
128 | } DVPARAMETERS; | |
129 | ||
1da177e4 LT |
130 | /* |
131 | * Other private/forward protos... | |
132 | */ | |
0d0c7974 | 133 | int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
1da177e4 | 134 | static void mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq); |
0d0c7974 | 135 | int mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
1da177e4 LT |
136 | |
137 | static int mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, | |
138 | SCSIIORequest_t *pReq, int req_idx); | |
139 | static void mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx); | |
0d0c7974 | 140 | static void mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply); |
1da177e4 LT |
141 | static int mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd); |
142 | static int mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ); | |
143 | static u32 SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc); | |
144 | ||
145 | static int mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout); | |
146 | static int mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout); | |
147 | ||
0d0c7974 MED |
148 | int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset); |
149 | int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply); | |
1da177e4 LT |
150 | |
151 | static void mptscsih_initTarget(MPT_SCSI_HOST *hd, int bus_id, int target_id, u8 lun, char *data, int dlen); | |
152 | static void mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56); | |
153 | static void mptscsih_set_dvflags(MPT_SCSI_HOST *hd, SCSIIORequest_t *pReq); | |
154 | static void mptscsih_setDevicePage1Flags (u8 width, u8 factor, u8 offset, int *requestedPtr, int *configurationPtr, u8 flags); | |
155 | static void mptscsih_no_negotiate(MPT_SCSI_HOST *hd, int target_id); | |
156 | static int mptscsih_writeSDP1(MPT_SCSI_HOST *hd, int portnum, int target, int flags); | |
157 | static int mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus); | |
0d0c7974 | 158 | int mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); |
1da177e4 LT |
159 | static int mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd); |
160 | static int mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, int portnum); | |
161 | ||
162 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
163 | static int mptscsih_do_raid(MPT_SCSI_HOST *hd, u8 action, INTERNAL_CMD *io); | |
164 | static void mptscsih_domainValidation(void *hd); | |
165 | static int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id); | |
166 | static void mptscsih_qas_check(MPT_SCSI_HOST *hd, int id); | |
167 | static int mptscsih_doDv(MPT_SCSI_HOST *hd, int channel, int target); | |
168 | static void mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage); | |
169 | static void mptscsih_fillbuf(char *buffer, int size, int index, int width); | |
170 | #endif | |
1da177e4 | 171 | |
0d0c7974 MED |
172 | void mptscsih_remove(struct pci_dev *); |
173 | void mptscsih_shutdown(struct device *); | |
1da177e4 | 174 | #ifdef CONFIG_PM |
0d0c7974 MED |
175 | int mptscsih_suspend(struct pci_dev *pdev, pm_message_t state); |
176 | int mptscsih_resume(struct pci_dev *pdev); | |
1da177e4 LT |
177 | #endif |
178 | ||
1da177e4 LT |
179 | #define SNS_LEN(scp) sizeof((scp)->sense_buffer) |
180 | ||
181 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
182 | /* | |
183 | * Domain Validation task structure | |
184 | */ | |
185 | static DEFINE_SPINLOCK(dvtaskQ_lock); | |
186 | static int dvtaskQ_active = 0; | |
187 | static int dvtaskQ_release = 0; | |
0d0c7974 | 188 | static struct work_struct dvTaskQ_task; |
1da177e4 LT |
189 | #endif |
190 | ||
1da177e4 LT |
191 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
192 | /** | |
193 | * mptscsih_add_sge - Place a simple SGE at address pAddr. | |
194 | * @pAddr: virtual address for SGE | |
195 | * @flagslength: SGE flags and data transfer length | |
196 | * @dma_addr: Physical address | |
197 | * | |
198 | * This routine places a MPT request frame back on the MPT adapter's | |
199 | * FreeQ. | |
200 | */ | |
201 | static inline void | |
202 | mptscsih_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr) | |
203 | { | |
204 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
205 | SGESimple64_t *pSge = (SGESimple64_t *) pAddr; | |
206 | u32 tmp = dma_addr & 0xFFFFFFFF; | |
207 | ||
208 | pSge->FlagsLength = cpu_to_le32(flagslength); | |
209 | pSge->Address.Low = cpu_to_le32(tmp); | |
210 | tmp = (u32) ((u64)dma_addr >> 32); | |
211 | pSge->Address.High = cpu_to_le32(tmp); | |
212 | ||
213 | } else { | |
214 | SGESimple32_t *pSge = (SGESimple32_t *) pAddr; | |
215 | pSge->FlagsLength = cpu_to_le32(flagslength); | |
216 | pSge->Address = cpu_to_le32(dma_addr); | |
217 | } | |
218 | } /* mptscsih_add_sge() */ | |
219 | ||
220 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
221 | /** | |
222 | * mptscsih_add_chain - Place a chain SGE at address pAddr. | |
223 | * @pAddr: virtual address for SGE | |
224 | * @next: nextChainOffset value (u32's) | |
225 | * @length: length of next SGL segment | |
226 | * @dma_addr: Physical address | |
227 | * | |
228 | * This routine places a MPT request frame back on the MPT adapter's | |
229 | * FreeQ. | |
230 | */ | |
231 | static inline void | |
232 | mptscsih_add_chain(char *pAddr, u8 next, u16 length, dma_addr_t dma_addr) | |
233 | { | |
234 | if (sizeof(dma_addr_t) == sizeof(u64)) { | |
235 | SGEChain64_t *pChain = (SGEChain64_t *) pAddr; | |
236 | u32 tmp = dma_addr & 0xFFFFFFFF; | |
237 | ||
238 | pChain->Length = cpu_to_le16(length); | |
239 | pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); | |
240 | ||
241 | pChain->NextChainOffset = next; | |
242 | ||
243 | pChain->Address.Low = cpu_to_le32(tmp); | |
244 | tmp = (u32) ((u64)dma_addr >> 32); | |
245 | pChain->Address.High = cpu_to_le32(tmp); | |
246 | } else { | |
247 | SGEChain32_t *pChain = (SGEChain32_t *) pAddr; | |
248 | pChain->Length = cpu_to_le16(length); | |
249 | pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT | mpt_addr_size(); | |
250 | pChain->NextChainOffset = next; | |
251 | pChain->Address = cpu_to_le32(dma_addr); | |
252 | } | |
253 | } /* mptscsih_add_chain() */ | |
254 | ||
255 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
256 | /* | |
257 | * mptscsih_getFreeChainBuffer - Function to get a free chain | |
258 | * from the MPT_SCSI_HOST FreeChainQ. | |
259 | * @ioc: Pointer to MPT_ADAPTER structure | |
260 | * @req_idx: Index of the SCSI IO request frame. (output) | |
261 | * | |
262 | * return SUCCESS or FAILED | |
263 | */ | |
264 | static inline int | |
265 | mptscsih_getFreeChainBuffer(MPT_ADAPTER *ioc, int *retIndex) | |
266 | { | |
267 | MPT_FRAME_HDR *chainBuf; | |
268 | unsigned long flags; | |
269 | int rc; | |
270 | int chain_idx; | |
271 | ||
272 | dsgprintk((MYIOC_s_INFO_FMT "getFreeChainBuffer called\n", | |
273 | ioc->name)); | |
274 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
275 | if (!list_empty(&ioc->FreeChainQ)) { | |
276 | int offset; | |
277 | ||
278 | chainBuf = list_entry(ioc->FreeChainQ.next, MPT_FRAME_HDR, | |
279 | u.frame.linkage.list); | |
280 | list_del(&chainBuf->u.frame.linkage.list); | |
281 | offset = (u8 *)chainBuf - (u8 *)ioc->ChainBuffer; | |
282 | chain_idx = offset / ioc->req_sz; | |
283 | rc = SUCCESS; | |
284 | dsgprintk((MYIOC_s_INFO_FMT "getFreeChainBuffer (index %d), got buf=%p\n", | |
285 | ioc->name, *retIndex, chainBuf)); | |
286 | } else { | |
287 | rc = FAILED; | |
288 | chain_idx = MPT_HOST_NO_CHAIN; | |
289 | dfailprintk((MYIOC_s_ERR_FMT "getFreeChainBuffer failed\n", | |
290 | ioc->name)); | |
291 | } | |
292 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
293 | ||
294 | *retIndex = chain_idx; | |
295 | return rc; | |
296 | } /* mptscsih_getFreeChainBuffer() */ | |
297 | ||
298 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
299 | /* | |
300 | * mptscsih_AddSGE - Add a SGE (plus chain buffers) to the | |
301 | * SCSIIORequest_t Message Frame. | |
302 | * @ioc: Pointer to MPT_ADAPTER structure | |
303 | * @SCpnt: Pointer to scsi_cmnd structure | |
304 | * @pReq: Pointer to SCSIIORequest_t structure | |
305 | * | |
306 | * Returns ... | |
307 | */ | |
308 | static int | |
309 | mptscsih_AddSGE(MPT_ADAPTER *ioc, struct scsi_cmnd *SCpnt, | |
310 | SCSIIORequest_t *pReq, int req_idx) | |
311 | { | |
312 | char *psge; | |
313 | char *chainSge; | |
314 | struct scatterlist *sg; | |
315 | int frm_sz; | |
316 | int sges_left, sg_done; | |
317 | int chain_idx = MPT_HOST_NO_CHAIN; | |
318 | int sgeOffset; | |
319 | int numSgeSlots, numSgeThisFrame; | |
320 | u32 sgflags, sgdir, thisxfer = 0; | |
321 | int chain_dma_off = 0; | |
322 | int newIndex; | |
323 | int ii; | |
324 | dma_addr_t v2; | |
325 | u32 RequestNB; | |
326 | ||
327 | sgdir = le32_to_cpu(pReq->Control) & MPI_SCSIIO_CONTROL_DATADIRECTION_MASK; | |
328 | if (sgdir == MPI_SCSIIO_CONTROL_WRITE) { | |
329 | sgdir = MPT_TRANSFER_HOST_TO_IOC; | |
330 | } else { | |
331 | sgdir = MPT_TRANSFER_IOC_TO_HOST; | |
332 | } | |
333 | ||
334 | psge = (char *) &pReq->SGL; | |
335 | frm_sz = ioc->req_sz; | |
336 | ||
337 | /* Map the data portion, if any. | |
338 | * sges_left = 0 if no data transfer. | |
339 | */ | |
340 | if ( (sges_left = SCpnt->use_sg) ) { | |
341 | sges_left = pci_map_sg(ioc->pcidev, | |
342 | (struct scatterlist *) SCpnt->request_buffer, | |
343 | SCpnt->use_sg, | |
344 | SCpnt->sc_data_direction); | |
345 | if (sges_left == 0) | |
346 | return FAILED; | |
347 | } else if (SCpnt->request_bufflen) { | |
348 | SCpnt->SCp.dma_handle = pci_map_single(ioc->pcidev, | |
349 | SCpnt->request_buffer, | |
350 | SCpnt->request_bufflen, | |
351 | SCpnt->sc_data_direction); | |
352 | dsgprintk((MYIOC_s_INFO_FMT "SG: non-SG for %p, len=%d\n", | |
353 | ioc->name, SCpnt, SCpnt->request_bufflen)); | |
354 | mptscsih_add_sge((char *) &pReq->SGL, | |
355 | 0xD1000000|MPT_SGE_FLAGS_ADDRESSING|sgdir|SCpnt->request_bufflen, | |
356 | SCpnt->SCp.dma_handle); | |
357 | ||
358 | return SUCCESS; | |
359 | } | |
360 | ||
361 | /* Handle the SG case. | |
362 | */ | |
363 | sg = (struct scatterlist *) SCpnt->request_buffer; | |
364 | sg_done = 0; | |
365 | sgeOffset = sizeof(SCSIIORequest_t) - sizeof(SGE_IO_UNION); | |
366 | chainSge = NULL; | |
367 | ||
368 | /* Prior to entering this loop - the following must be set | |
369 | * current MF: sgeOffset (bytes) | |
370 | * chainSge (Null if original MF is not a chain buffer) | |
371 | * sg_done (num SGE done for this MF) | |
372 | */ | |
373 | ||
374 | nextSGEset: | |
375 | numSgeSlots = ((frm_sz - sgeOffset) / (sizeof(u32) + sizeof(dma_addr_t)) ); | |
376 | numSgeThisFrame = (sges_left < numSgeSlots) ? sges_left : numSgeSlots; | |
377 | ||
378 | sgflags = MPT_SGE_FLAGS_SIMPLE_ELEMENT | MPT_SGE_FLAGS_ADDRESSING | sgdir; | |
379 | ||
380 | /* Get first (num - 1) SG elements | |
381 | * Skip any SG entries with a length of 0 | |
382 | * NOTE: at finish, sg and psge pointed to NEXT data/location positions | |
383 | */ | |
384 | for (ii=0; ii < (numSgeThisFrame-1); ii++) { | |
385 | thisxfer = sg_dma_len(sg); | |
386 | if (thisxfer == 0) { | |
387 | sg ++; /* Get next SG element from the OS */ | |
388 | sg_done++; | |
389 | continue; | |
390 | } | |
391 | ||
392 | v2 = sg_dma_address(sg); | |
393 | mptscsih_add_sge(psge, sgflags | thisxfer, v2); | |
394 | ||
395 | sg++; /* Get next SG element from the OS */ | |
396 | psge += (sizeof(u32) + sizeof(dma_addr_t)); | |
397 | sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); | |
398 | sg_done++; | |
399 | } | |
400 | ||
401 | if (numSgeThisFrame == sges_left) { | |
402 | /* Add last element, end of buffer and end of list flags. | |
403 | */ | |
404 | sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT | | |
405 | MPT_SGE_FLAGS_END_OF_BUFFER | | |
406 | MPT_SGE_FLAGS_END_OF_LIST; | |
407 | ||
408 | /* Add last SGE and set termination flags. | |
409 | * Note: Last SGE may have a length of 0 - which should be ok. | |
410 | */ | |
411 | thisxfer = sg_dma_len(sg); | |
412 | ||
413 | v2 = sg_dma_address(sg); | |
414 | mptscsih_add_sge(psge, sgflags | thisxfer, v2); | |
415 | /* | |
416 | sg++; | |
417 | psge += (sizeof(u32) + sizeof(dma_addr_t)); | |
418 | */ | |
419 | sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); | |
420 | sg_done++; | |
421 | ||
422 | if (chainSge) { | |
423 | /* The current buffer is a chain buffer, | |
424 | * but there is not another one. | |
425 | * Update the chain element | |
426 | * Offset and Length fields. | |
427 | */ | |
428 | mptscsih_add_chain((char *)chainSge, 0, sgeOffset, ioc->ChainBufferDMA + chain_dma_off); | |
429 | } else { | |
430 | /* The current buffer is the original MF | |
431 | * and there is no Chain buffer. | |
432 | */ | |
433 | pReq->ChainOffset = 0; | |
434 | RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; | |
435 | dsgprintk((MYIOC_s_ERR_FMT | |
436 | "Single Buffer RequestNB=%x, sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); | |
437 | ioc->RequestNB[req_idx] = RequestNB; | |
438 | } | |
439 | } else { | |
440 | /* At least one chain buffer is needed. | |
441 | * Complete the first MF | |
442 | * - last SGE element, set the LastElement bit | |
443 | * - set ChainOffset (words) for orig MF | |
444 | * (OR finish previous MF chain buffer) | |
445 | * - update MFStructPtr ChainIndex | |
446 | * - Populate chain element | |
447 | * Also | |
448 | * Loop until done. | |
449 | */ | |
450 | ||
451 | dsgprintk((MYIOC_s_INFO_FMT "SG: Chain Required! sg done %d\n", | |
452 | ioc->name, sg_done)); | |
453 | ||
454 | /* Set LAST_ELEMENT flag for last non-chain element | |
455 | * in the buffer. Since psge points at the NEXT | |
456 | * SGE element, go back one SGE element, update the flags | |
457 | * and reset the pointer. (Note: sgflags & thisxfer are already | |
458 | * set properly). | |
459 | */ | |
460 | if (sg_done) { | |
461 | u32 *ptmp = (u32 *) (psge - (sizeof(u32) + sizeof(dma_addr_t))); | |
462 | sgflags = le32_to_cpu(*ptmp); | |
463 | sgflags |= MPT_SGE_FLAGS_LAST_ELEMENT; | |
464 | *ptmp = cpu_to_le32(sgflags); | |
465 | } | |
466 | ||
467 | if (chainSge) { | |
468 | /* The current buffer is a chain buffer. | |
469 | * chainSge points to the previous Chain Element. | |
470 | * Update its chain element Offset and Length (must | |
471 | * include chain element size) fields. | |
472 | * Old chain element is now complete. | |
473 | */ | |
474 | u8 nextChain = (u8) (sgeOffset >> 2); | |
475 | sgeOffset += (sizeof(u32) + sizeof(dma_addr_t)); | |
476 | mptscsih_add_chain((char *)chainSge, nextChain, sgeOffset, ioc->ChainBufferDMA + chain_dma_off); | |
477 | } else { | |
478 | /* The original MF buffer requires a chain buffer - | |
479 | * set the offset. | |
480 | * Last element in this MF is a chain element. | |
481 | */ | |
482 | pReq->ChainOffset = (u8) (sgeOffset >> 2); | |
483 | RequestNB = (((sgeOffset - 1) >> ioc->NBShiftFactor) + 1) & 0x03; | |
484 | dsgprintk((MYIOC_s_ERR_FMT "Chain Buffer Needed, RequestNB=%x sgeOffset=%d\n", ioc->name, RequestNB, sgeOffset)); | |
485 | ioc->RequestNB[req_idx] = RequestNB; | |
486 | } | |
487 | ||
488 | sges_left -= sg_done; | |
489 | ||
490 | ||
491 | /* NOTE: psge points to the beginning of the chain element | |
492 | * in current buffer. Get a chain buffer. | |
493 | */ | |
494 | dsgprintk((MYIOC_s_INFO_FMT | |
495 | "calling getFreeChainBuffer SCSI cmd=%02x (%p)\n", | |
496 | ioc->name, pReq->CDB[0], SCpnt)); | |
497 | if ((mptscsih_getFreeChainBuffer(ioc, &newIndex)) == FAILED) | |
498 | return FAILED; | |
499 | ||
500 | /* Update the tracking arrays. | |
501 | * If chainSge == NULL, update ReqToChain, else ChainToChain | |
502 | */ | |
503 | if (chainSge) { | |
504 | ioc->ChainToChain[chain_idx] = newIndex; | |
505 | } else { | |
506 | ioc->ReqToChain[req_idx] = newIndex; | |
507 | } | |
508 | chain_idx = newIndex; | |
509 | chain_dma_off = ioc->req_sz * chain_idx; | |
510 | ||
511 | /* Populate the chainSGE for the current buffer. | |
512 | * - Set chain buffer pointer to psge and fill | |
513 | * out the Address and Flags fields. | |
514 | */ | |
515 | chainSge = (char *) psge; | |
516 | dsgprintk((KERN_INFO " Current buff @ %p (index 0x%x)", | |
517 | psge, req_idx)); | |
518 | ||
519 | /* Start the SGE for the next buffer | |
520 | */ | |
521 | psge = (char *) (ioc->ChainBuffer + chain_dma_off); | |
522 | sgeOffset = 0; | |
523 | sg_done = 0; | |
524 | ||
525 | dsgprintk((KERN_INFO " Chain buff @ %p (index 0x%x)\n", | |
526 | psge, chain_idx)); | |
527 | ||
528 | /* Start the SGE for the next buffer | |
529 | */ | |
530 | ||
531 | goto nextSGEset; | |
532 | } | |
533 | ||
534 | return SUCCESS; | |
535 | } /* mptscsih_AddSGE() */ | |
536 | ||
537 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
538 | /* | |
539 | * mptscsih_io_done - Main SCSI IO callback routine registered to | |
540 | * Fusion MPT (base) driver | |
541 | * @ioc: Pointer to MPT_ADAPTER structure | |
542 | * @mf: Pointer to original MPT request frame | |
543 | * @r: Pointer to MPT reply frame (NULL if TurboReply) | |
544 | * | |
545 | * This routine is called from mpt.c::mpt_interrupt() at the completion | |
546 | * of any SCSI IO request. | |
547 | * This routine is registered with the Fusion MPT (base) driver at driver | |
548 | * load/init time via the mpt_register() API call. | |
549 | * | |
550 | * Returns 1 indicating alloc'd request frame ptr should be freed. | |
551 | */ | |
0d0c7974 | 552 | int |
1da177e4 LT |
553 | mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
554 | { | |
555 | struct scsi_cmnd *sc; | |
556 | MPT_SCSI_HOST *hd; | |
557 | SCSIIORequest_t *pScsiReq; | |
558 | SCSIIOReply_t *pScsiReply; | |
559 | u16 req_idx; | |
560 | ||
561 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
562 | ||
563 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
564 | sc = hd->ScsiLookup[req_idx]; | |
565 | if (sc == NULL) { | |
566 | MPIHeader_t *hdr = (MPIHeader_t *)mf; | |
567 | ||
568 | /* Remark: writeSDP1 will use the ScsiDoneCtx | |
569 | * If a SCSI I/O cmd, device disabled by OS and | |
570 | * completion done. Cannot touch sc struct. Just free mem. | |
571 | */ | |
572 | if (hdr->Function == MPI_FUNCTION_SCSI_IO_REQUEST) | |
573 | printk(MYIOC_s_ERR_FMT "NULL ScsiCmd ptr!\n", | |
574 | ioc->name); | |
575 | ||
576 | mptscsih_freeChainBuffers(ioc, req_idx); | |
577 | return 1; | |
578 | } | |
579 | ||
580 | dmfprintk((MYIOC_s_INFO_FMT | |
581 | "ScsiDone (mf=%p,mr=%p,sc=%p,idx=%d)\n", | |
582 | ioc->name, mf, mr, sc, req_idx)); | |
583 | ||
584 | sc->result = DID_OK << 16; /* Set default reply as OK */ | |
585 | pScsiReq = (SCSIIORequest_t *) mf; | |
586 | pScsiReply = (SCSIIOReply_t *) mr; | |
587 | ||
588 | if (pScsiReply == NULL) { | |
589 | /* special context reply handling */ | |
590 | ; | |
591 | } else { | |
592 | u32 xfer_cnt; | |
593 | u16 status; | |
594 | u8 scsi_state, scsi_status; | |
595 | ||
596 | status = le16_to_cpu(pScsiReply->IOCStatus) & MPI_IOCSTATUS_MASK; | |
597 | scsi_state = pScsiReply->SCSIState; | |
598 | scsi_status = pScsiReply->SCSIStatus; | |
599 | xfer_cnt = le32_to_cpu(pScsiReply->TransferCount); | |
600 | sc->resid = sc->request_bufflen - xfer_cnt; | |
601 | ||
602 | dreplyprintk((KERN_NOTICE "Reply ha=%d id=%d lun=%d:\n" | |
603 | "IOCStatus=%04xh SCSIState=%02xh SCSIStatus=%02xh\n" | |
604 | "resid=%d bufflen=%d xfer_cnt=%d\n", | |
605 | ioc->id, pScsiReq->TargetID, pScsiReq->LUN[1], | |
606 | status, scsi_state, scsi_status, sc->resid, | |
607 | sc->request_bufflen, xfer_cnt)); | |
608 | ||
609 | if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) | |
0d0c7974 MED |
610 | mptscsih_copy_sense_data(sc, hd, mf, pScsiReply); |
611 | ||
1da177e4 LT |
612 | /* |
613 | * Look for + dump FCP ResponseInfo[]! | |
614 | */ | |
615 | if (scsi_state & MPI_SCSI_STATE_RESPONSE_INFO_VALID) { | |
616 | printk(KERN_NOTICE " FCP_ResponseInfo=%08xh\n", | |
617 | le32_to_cpu(pScsiReply->ResponseInfo)); | |
618 | } | |
619 | ||
620 | switch(status) { | |
621 | case MPI_IOCSTATUS_BUSY: /* 0x0002 */ | |
622 | /* CHECKME! | |
623 | * Maybe: DRIVER_BUSY | SUGGEST_RETRY | DID_SOFT_ERROR (retry) | |
624 | * But not: DID_BUS_BUSY lest one risk | |
625 | * killing interrupt handler:-( | |
626 | */ | |
627 | sc->result = SAM_STAT_BUSY; | |
628 | break; | |
629 | ||
630 | case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */ | |
631 | case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */ | |
632 | sc->result = DID_BAD_TARGET << 16; | |
633 | break; | |
634 | ||
635 | case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ | |
636 | /* Spoof to SCSI Selection Timeout! */ | |
637 | sc->result = DID_NO_CONNECT << 16; | |
638 | ||
639 | if (hd->sel_timeout[pScsiReq->TargetID] < 0xFFFF) | |
640 | hd->sel_timeout[pScsiReq->TargetID]++; | |
641 | break; | |
642 | ||
643 | case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ | |
644 | case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ | |
645 | case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ | |
646 | /* Linux handles an unsolicited DID_RESET better | |
647 | * than an unsolicited DID_ABORT. | |
648 | */ | |
649 | sc->result = DID_RESET << 16; | |
650 | ||
651 | /* GEM Workaround. */ | |
652 | if (ioc->bus_type == SCSI) | |
653 | mptscsih_no_negotiate(hd, sc->device->id); | |
654 | break; | |
655 | ||
656 | case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */ | |
657 | if ( xfer_cnt >= sc->underflow ) { | |
658 | /* Sufficient data transfer occurred */ | |
659 | sc->result = (DID_OK << 16) | scsi_status; | |
660 | } else if ( xfer_cnt == 0 ) { | |
661 | /* A CRC Error causes this condition; retry */ | |
662 | sc->result = (DRIVER_SENSE << 24) | (DID_OK << 16) | | |
663 | (CHECK_CONDITION << 1); | |
664 | sc->sense_buffer[0] = 0x70; | |
665 | sc->sense_buffer[2] = NO_SENSE; | |
666 | sc->sense_buffer[12] = 0; | |
667 | sc->sense_buffer[13] = 0; | |
668 | } else { | |
669 | sc->result = DID_SOFT_ERROR << 16; | |
670 | } | |
671 | dreplyprintk((KERN_NOTICE "RESIDUAL_MISMATCH: result=%x on id=%d\n", sc->result, sc->target)); | |
672 | break; | |
0d0c7974 | 673 | |
1da177e4 LT |
674 | case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ |
675 | /* | |
676 | * Do upfront check for valid SenseData and give it | |
677 | * precedence! | |
678 | */ | |
679 | sc->result = (DID_OK << 16) | scsi_status; | |
680 | if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { | |
681 | /* Have already saved the status and sense data | |
682 | */ | |
683 | ; | |
684 | } else { | |
685 | if (xfer_cnt < sc->underflow) { | |
686 | sc->result = DID_SOFT_ERROR << 16; | |
687 | } | |
688 | if (scsi_state & (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS)) { | |
689 | /* What to do? | |
690 | */ | |
691 | sc->result = DID_SOFT_ERROR << 16; | |
692 | } | |
693 | else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { | |
694 | /* Not real sure here either... */ | |
695 | sc->result = DID_RESET << 16; | |
696 | } | |
697 | } | |
698 | ||
699 | dreplyprintk((KERN_NOTICE " sc->underflow={report ERR if < %02xh bytes xfer'd}\n", | |
700 | sc->underflow)); | |
701 | dreplyprintk((KERN_NOTICE " ActBytesXferd=%02xh\n", xfer_cnt)); | |
702 | /* Report Queue Full | |
703 | */ | |
704 | if (scsi_status == MPI_SCSI_STATUS_TASK_SET_FULL) | |
705 | mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); | |
0d0c7974 | 706 | |
1da177e4 LT |
707 | break; |
708 | ||
709 | case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ | |
710 | case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ | |
711 | scsi_status = pScsiReply->SCSIStatus; | |
712 | sc->result = (DID_OK << 16) | scsi_status; | |
713 | if (scsi_state == 0) { | |
714 | ; | |
715 | } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) { | |
716 | /* | |
717 | * If running against circa 200003dd 909 MPT f/w, | |
718 | * may get this (AUTOSENSE_VALID) for actual TASK_SET_FULL | |
719 | * (QUEUE_FULL) returned from device! --> get 0x0000?128 | |
720 | * and with SenseBytes set to 0. | |
721 | */ | |
722 | if (pScsiReply->SCSIStatus == MPI_SCSI_STATUS_TASK_SET_FULL) | |
723 | mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); | |
724 | ||
725 | } | |
726 | else if (scsi_state & | |
727 | (MPI_SCSI_STATE_AUTOSENSE_FAILED | MPI_SCSI_STATE_NO_SCSI_STATUS) | |
728 | ) { | |
729 | /* | |
730 | * What to do? | |
731 | */ | |
732 | sc->result = DID_SOFT_ERROR << 16; | |
733 | } | |
734 | else if (scsi_state & MPI_SCSI_STATE_TERMINATED) { | |
735 | /* Not real sure here either... */ | |
736 | sc->result = DID_RESET << 16; | |
737 | } | |
738 | else if (scsi_state & MPI_SCSI_STATE_QUEUE_TAG_REJECTED) { | |
739 | /* Device Inq. data indicates that it supports | |
740 | * QTags, but rejects QTag messages. | |
741 | * This command completed OK. | |
742 | * | |
743 | * Not real sure here either so do nothing... */ | |
744 | } | |
745 | ||
746 | if (sc->result == MPI_SCSI_STATUS_TASK_SET_FULL) | |
747 | mptscsih_report_queue_full(sc, pScsiReply, pScsiReq); | |
748 | ||
749 | /* Add handling of: | |
750 | * Reservation Conflict, Busy, | |
751 | * Command Terminated, CHECK | |
752 | */ | |
753 | break; | |
754 | ||
755 | case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ | |
756 | sc->result = DID_SOFT_ERROR << 16; | |
757 | break; | |
758 | ||
759 | case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */ | |
760 | case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */ | |
761 | case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */ | |
762 | case MPI_IOCSTATUS_RESERVED: /* 0x0005 */ | |
763 | case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */ | |
764 | case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */ | |
765 | case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */ | |
766 | case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */ | |
767 | case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ | |
768 | case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */ | |
769 | default: | |
770 | /* | |
771 | * What to do? | |
772 | */ | |
773 | sc->result = DID_SOFT_ERROR << 16; | |
774 | break; | |
775 | ||
776 | } /* switch(status) */ | |
777 | ||
778 | dreplyprintk((KERN_NOTICE " sc->result is %08xh\n", sc->result)); | |
779 | } /* end of address reply case */ | |
780 | ||
781 | /* Unmap the DMA buffers, if any. */ | |
782 | if (sc->use_sg) { | |
783 | pci_unmap_sg(ioc->pcidev, (struct scatterlist *) sc->request_buffer, | |
784 | sc->use_sg, sc->sc_data_direction); | |
785 | } else if (sc->request_bufflen) { | |
786 | pci_unmap_single(ioc->pcidev, sc->SCp.dma_handle, | |
787 | sc->request_bufflen, sc->sc_data_direction); | |
788 | } | |
789 | ||
790 | hd->ScsiLookup[req_idx] = NULL; | |
791 | ||
792 | sc->scsi_done(sc); /* Issue the command callback */ | |
793 | ||
794 | /* Free Chain buffers */ | |
795 | mptscsih_freeChainBuffers(ioc, req_idx); | |
796 | return 1; | |
797 | } | |
798 | ||
799 | ||
800 | /* | |
801 | * mptscsih_flush_running_cmds - For each command found, search | |
802 | * Scsi_Host instance taskQ and reply to OS. | |
803 | * Called only if recovering from a FW reload. | |
804 | * @hd: Pointer to a SCSI HOST structure | |
805 | * | |
806 | * Returns: None. | |
807 | * | |
808 | * Must be called while new I/Os are being queued. | |
809 | */ | |
810 | static void | |
811 | mptscsih_flush_running_cmds(MPT_SCSI_HOST *hd) | |
812 | { | |
813 | MPT_ADAPTER *ioc = hd->ioc; | |
814 | struct scsi_cmnd *SCpnt; | |
815 | MPT_FRAME_HDR *mf; | |
816 | int ii; | |
817 | int max = ioc->req_depth; | |
818 | ||
819 | dprintk((KERN_INFO MYNAM ": flush_ScsiLookup called\n")); | |
820 | for (ii= 0; ii < max; ii++) { | |
821 | if ((SCpnt = hd->ScsiLookup[ii]) != NULL) { | |
822 | ||
823 | /* Command found. | |
824 | */ | |
825 | ||
826 | /* Null ScsiLookup index | |
827 | */ | |
828 | hd->ScsiLookup[ii] = NULL; | |
829 | ||
830 | mf = MPT_INDEX_2_MFPTR(ioc, ii); | |
831 | dmfprintk(( "flush: ScsiDone (mf=%p,sc=%p)\n", | |
832 | mf, SCpnt)); | |
833 | ||
834 | /* Set status, free OS resources (SG DMA buffers) | |
835 | * Do OS callback | |
836 | * Free driver resources (chain, msg buffers) | |
837 | */ | |
0d0c7974 MED |
838 | if (SCpnt->use_sg) { |
839 | pci_unmap_sg(ioc->pcidev, | |
840 | (struct scatterlist *) SCpnt->request_buffer, | |
841 | SCpnt->use_sg, | |
842 | SCpnt->sc_data_direction); | |
843 | } else if (SCpnt->request_bufflen) { | |
844 | pci_unmap_single(ioc->pcidev, | |
845 | SCpnt->SCp.dma_handle, | |
846 | SCpnt->request_bufflen, | |
847 | SCpnt->sc_data_direction); | |
1da177e4 LT |
848 | } |
849 | SCpnt->result = DID_RESET << 16; | |
850 | SCpnt->host_scribble = NULL; | |
851 | ||
852 | /* Free Chain buffers */ | |
853 | mptscsih_freeChainBuffers(ioc, ii); | |
854 | ||
855 | /* Free Message frames */ | |
856 | mpt_free_msg_frame(ioc, mf); | |
857 | ||
858 | SCpnt->scsi_done(SCpnt); /* Issue the command callback */ | |
859 | } | |
860 | } | |
861 | ||
862 | return; | |
863 | } | |
864 | ||
865 | /* | |
866 | * mptscsih_search_running_cmds - Delete any commands associated | |
867 | * with the specified target and lun. Function called only | |
868 | * when a lun is disable by mid-layer. | |
869 | * Do NOT access the referenced scsi_cmnd structure or | |
870 | * members. Will cause either a paging or NULL ptr error. | |
871 | * @hd: Pointer to a SCSI HOST structure | |
872 | * @target: target id | |
873 | * @lun: lun | |
874 | * | |
875 | * Returns: None. | |
876 | * | |
877 | * Called from slave_destroy. | |
878 | */ | |
879 | static void | |
880 | mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, uint target, uint lun) | |
881 | { | |
882 | SCSIIORequest_t *mf = NULL; | |
883 | int ii; | |
884 | int max = hd->ioc->req_depth; | |
885 | ||
886 | dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n", | |
887 | target, lun, max)); | |
888 | ||
889 | for (ii=0; ii < max; ii++) { | |
890 | if (hd->ScsiLookup[ii] != NULL) { | |
891 | ||
892 | mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii); | |
893 | ||
894 | dsprintk(( "search_running: found (sc=%p, mf = %p) target %d, lun %d \n", | |
895 | hd->ScsiLookup[ii], mf, mf->TargetID, mf->LUN[1])); | |
896 | ||
897 | if ((mf->TargetID != ((u8)target)) || (mf->LUN[1] != ((u8) lun))) | |
898 | continue; | |
899 | ||
900 | /* Cleanup | |
901 | */ | |
902 | hd->ScsiLookup[ii] = NULL; | |
903 | mptscsih_freeChainBuffers(hd->ioc, ii); | |
904 | mpt_free_msg_frame(hd->ioc, (MPT_FRAME_HDR *)mf); | |
905 | } | |
906 | } | |
907 | ||
908 | return; | |
909 | } | |
910 | ||
911 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1da177e4 LT |
912 | |
913 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
914 | /* | |
915 | * mptscsih_report_queue_full - Report QUEUE_FULL status returned | |
916 | * from a SCSI target device. | |
917 | * @sc: Pointer to scsi_cmnd structure | |
918 | * @pScsiReply: Pointer to SCSIIOReply_t | |
919 | * @pScsiReq: Pointer to original SCSI request | |
920 | * | |
921 | * This routine periodically reports QUEUE_FULL status returned from a | |
922 | * SCSI target device. It reports this to the console via kernel | |
923 | * printk() API call, not more than once every 10 seconds. | |
924 | */ | |
925 | static void | |
926 | mptscsih_report_queue_full(struct scsi_cmnd *sc, SCSIIOReply_t *pScsiReply, SCSIIORequest_t *pScsiReq) | |
927 | { | |
928 | long time = jiffies; | |
1da177e4 | 929 | MPT_SCSI_HOST *hd; |
1da177e4 | 930 | |
0d0c7974 MED |
931 | if (sc->device == NULL) |
932 | return; | |
933 | if (sc->device->host == NULL) | |
934 | return; | |
935 | if ((hd = (MPT_SCSI_HOST *)sc->device->host->hostdata) == NULL) | |
936 | return; | |
1da177e4 | 937 | |
0d0c7974 MED |
938 | if (time - hd->last_queue_full > 10 * HZ) { |
939 | dprintk((MYIOC_s_WARN_FMT "Device (%d:%d:%d) reported QUEUE_FULL!\n", | |
940 | hd->ioc->name, 0, sc->device->id, sc->device->lun)); | |
941 | hd->last_queue_full = time; | |
1da177e4 | 942 | } |
1da177e4 LT |
943 | } |
944 | ||
945 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
946 | /* | |
947 | * mptscsih_remove - Removed scsi devices | |
948 | * @pdev: Pointer to pci_dev structure | |
949 | * | |
950 | * | |
951 | */ | |
0d0c7974 | 952 | void |
1da177e4 LT |
953 | mptscsih_remove(struct pci_dev *pdev) |
954 | { | |
955 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
956 | struct Scsi_Host *host = ioc->sh; | |
957 | MPT_SCSI_HOST *hd; | |
958 | int count; | |
959 | unsigned long flags; | |
0d0c7974 | 960 | int sz1; |
1da177e4 LT |
961 | |
962 | if(!host) | |
963 | return; | |
964 | ||
965 | scsi_remove_host(host); | |
966 | ||
0d0c7974 MED |
967 | if((hd = (MPT_SCSI_HOST *)host->hostdata) == NULL) |
968 | return; | |
969 | ||
1da177e4 LT |
970 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION |
971 | /* Check DV thread active */ | |
972 | count = 10 * HZ; | |
973 | spin_lock_irqsave(&dvtaskQ_lock, flags); | |
974 | if (dvtaskQ_active) { | |
975 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
976 | while(dvtaskQ_active && --count) { | |
977 | set_current_state(TASK_INTERRUPTIBLE); | |
978 | schedule_timeout(1); | |
979 | } | |
980 | } else { | |
981 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
982 | } | |
983 | if (!count) | |
984 | printk(KERN_ERR MYNAM ": ERROR - DV thread still active!\n"); | |
985 | #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY) | |
986 | else | |
987 | printk(KERN_ERR MYNAM ": DV thread orig %d, count %d\n", 10 * HZ, count); | |
988 | #endif | |
989 | #endif | |
990 | ||
0d0c7974 | 991 | mptscsih_shutdown(&pdev->dev); |
1da177e4 | 992 | |
0d0c7974 | 993 | sz1=0; |
1da177e4 | 994 | |
0d0c7974 MED |
995 | if (hd->ScsiLookup != NULL) { |
996 | sz1 = hd->ioc->req_depth * sizeof(void *); | |
997 | kfree(hd->ScsiLookup); | |
998 | hd->ScsiLookup = NULL; | |
999 | } | |
1da177e4 | 1000 | |
d485eb83 MED |
1001 | /* |
1002 | * Free pointer array. | |
1003 | */ | |
1004 | kfree(hd->Targets); | |
1005 | hd->Targets = NULL; | |
1da177e4 | 1006 | |
0d0c7974 MED |
1007 | dprintk((MYIOC_s_INFO_FMT |
1008 | "Free'd ScsiLookup (%d) memory\n", | |
1009 | hd->ioc->name, sz1)); | |
1da177e4 | 1010 | |
d485eb83 | 1011 | kfree(hd->info_kbuf); |
1da177e4 | 1012 | |
0d0c7974 MED |
1013 | /* NULL the Scsi_Host pointer |
1014 | */ | |
1015 | hd->ioc->sh = NULL; | |
1da177e4 LT |
1016 | |
1017 | scsi_host_put(host); | |
1da177e4 | 1018 | |
0d0c7974 MED |
1019 | mpt_detach(pdev); |
1020 | ||
1da177e4 LT |
1021 | } |
1022 | ||
1023 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1024 | /* | |
1025 | * mptscsih_shutdown - reboot notifier | |
1026 | * | |
1027 | */ | |
0d0c7974 | 1028 | void |
1da177e4 LT |
1029 | mptscsih_shutdown(struct device * dev) |
1030 | { | |
1031 | MPT_ADAPTER *ioc = pci_get_drvdata(to_pci_dev(dev)); | |
1032 | struct Scsi_Host *host = ioc->sh; | |
1033 | MPT_SCSI_HOST *hd; | |
1034 | ||
1035 | if(!host) | |
1036 | return; | |
1037 | ||
1038 | hd = (MPT_SCSI_HOST *)host->hostdata; | |
1039 | ||
1040 | /* Flush the cache of this adapter | |
1041 | */ | |
1042 | if(hd != NULL) | |
1043 | mptscsih_synchronize_cache(hd, 0); | |
1044 | ||
1045 | } | |
1046 | ||
1047 | #ifdef CONFIG_PM | |
1048 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1049 | /* | |
0d0c7974 | 1050 | * mptscsih_suspend - Fusion MPT scsi driver suspend routine. |
1da177e4 LT |
1051 | * |
1052 | * | |
1053 | */ | |
0d0c7974 | 1054 | int |
8d189f72 | 1055 | mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
1056 | { |
1057 | mptscsih_shutdown(&pdev->dev); | |
0d0c7974 | 1058 | return mpt_suspend(pdev,state); |
1da177e4 LT |
1059 | } |
1060 | ||
1061 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1062 | /* | |
1063 | * mptscsih_resume - Fusion MPT scsi driver resume routine. | |
1064 | * | |
1065 | * | |
1066 | */ | |
0d0c7974 | 1067 | int |
1da177e4 LT |
1068 | mptscsih_resume(struct pci_dev *pdev) |
1069 | { | |
1070 | MPT_ADAPTER *ioc = pci_get_drvdata(pdev); | |
1071 | struct Scsi_Host *host = ioc->sh; | |
1072 | MPT_SCSI_HOST *hd; | |
1073 | ||
0d0c7974 MED |
1074 | mpt_resume(pdev); |
1075 | ||
1da177e4 LT |
1076 | if(!host) |
1077 | return 0; | |
1078 | ||
1079 | hd = (MPT_SCSI_HOST *)host->hostdata; | |
1080 | if(!hd) | |
1081 | return 0; | |
1082 | ||
1083 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
1084 | { | |
1085 | unsigned long lflags; | |
1086 | spin_lock_irqsave(&dvtaskQ_lock, lflags); | |
1087 | if (!dvtaskQ_active) { | |
1088 | dvtaskQ_active = 1; | |
1089 | spin_unlock_irqrestore(&dvtaskQ_lock, lflags); | |
0d0c7974 | 1090 | INIT_WORK(&dvTaskQ_task, |
1da177e4 | 1091 | mptscsih_domainValidation, (void *) hd); |
0d0c7974 | 1092 | schedule_work(&dvTaskQ_task); |
1da177e4 LT |
1093 | } else { |
1094 | spin_unlock_irqrestore(&dvtaskQ_lock, lflags); | |
1095 | } | |
1096 | } | |
1097 | #endif | |
1098 | return 0; | |
1099 | } | |
1100 | ||
1101 | #endif | |
1102 | ||
1da177e4 LT |
1103 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
1104 | /** | |
1105 | * mptscsih_info - Return information about MPT adapter | |
1106 | * @SChost: Pointer to Scsi_Host structure | |
1107 | * | |
1108 | * (linux scsi_host_template.info routine) | |
1109 | * | |
1110 | * Returns pointer to buffer where information was written. | |
1111 | */ | |
0d0c7974 | 1112 | const char * |
1da177e4 LT |
1113 | mptscsih_info(struct Scsi_Host *SChost) |
1114 | { | |
1115 | MPT_SCSI_HOST *h; | |
1116 | int size = 0; | |
1117 | ||
1da177e4 | 1118 | h = (MPT_SCSI_HOST *)SChost->hostdata; |
0d0c7974 | 1119 | |
1da177e4 | 1120 | if (h) { |
0d0c7974 MED |
1121 | if (h->info_kbuf == NULL) |
1122 | if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) | |
1123 | return h->info_kbuf; | |
1124 | h->info_kbuf[0] = '\0'; | |
1125 | ||
1126 | mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); | |
1127 | h->info_kbuf[size-1] = '\0'; | |
1da177e4 LT |
1128 | } |
1129 | ||
0d0c7974 | 1130 | return h->info_kbuf; |
1da177e4 LT |
1131 | } |
1132 | ||
1133 | struct info_str { | |
1134 | char *buffer; | |
1135 | int length; | |
1136 | int offset; | |
1137 | int pos; | |
1138 | }; | |
1139 | ||
0d0c7974 MED |
1140 | static void |
1141 | mptscsih_copy_mem_info(struct info_str *info, char *data, int len) | |
1da177e4 LT |
1142 | { |
1143 | if (info->pos + len > info->length) | |
1144 | len = info->length - info->pos; | |
1145 | ||
1146 | if (info->pos + len < info->offset) { | |
1147 | info->pos += len; | |
1148 | return; | |
1149 | } | |
1150 | ||
1151 | if (info->pos < info->offset) { | |
1152 | data += (info->offset - info->pos); | |
1153 | len -= (info->offset - info->pos); | |
1154 | } | |
1155 | ||
1156 | if (len > 0) { | |
1157 | memcpy(info->buffer + info->pos, data, len); | |
1158 | info->pos += len; | |
1159 | } | |
1160 | } | |
1161 | ||
0d0c7974 MED |
1162 | static int |
1163 | mptscsih_copy_info(struct info_str *info, char *fmt, ...) | |
1da177e4 LT |
1164 | { |
1165 | va_list args; | |
1166 | char buf[81]; | |
1167 | int len; | |
1168 | ||
1169 | va_start(args, fmt); | |
1170 | len = vsprintf(buf, fmt, args); | |
1171 | va_end(args); | |
1172 | ||
0d0c7974 | 1173 | mptscsih_copy_mem_info(info, buf, len); |
1da177e4 LT |
1174 | return len; |
1175 | } | |
1176 | ||
0d0c7974 MED |
1177 | static int |
1178 | mptscsih_host_info(MPT_ADAPTER *ioc, char *pbuf, off_t offset, int len) | |
1da177e4 LT |
1179 | { |
1180 | struct info_str info; | |
1181 | ||
1182 | info.buffer = pbuf; | |
1183 | info.length = len; | |
1184 | info.offset = offset; | |
1185 | info.pos = 0; | |
1186 | ||
0d0c7974 MED |
1187 | mptscsih_copy_info(&info, "%s: %s, ", ioc->name, ioc->prod_name); |
1188 | mptscsih_copy_info(&info, "%s%08xh, ", MPT_FW_REV_MAGIC_ID_STRING, ioc->facts.FWVersion.Word); | |
1189 | mptscsih_copy_info(&info, "Ports=%d, ", ioc->facts.NumberOfPorts); | |
1190 | mptscsih_copy_info(&info, "MaxQ=%d\n", ioc->req_depth); | |
1da177e4 LT |
1191 | |
1192 | return ((info.pos > info.offset) ? info.pos - info.offset : 0); | |
1193 | } | |
1194 | ||
1195 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1196 | /** | |
1197 | * mptscsih_proc_info - Return information about MPT adapter | |
1198 | * | |
1199 | * (linux scsi_host_template.info routine) | |
1200 | * | |
1201 | * buffer: if write, user data; if read, buffer for user | |
1202 | * length: if write, return length; | |
1203 | * offset: if write, 0; if read, the current offset into the buffer from | |
1204 | * the previous read. | |
1205 | * hostno: scsi host number | |
1206 | * func: if write = 1; if read = 0 | |
1207 | */ | |
0d0c7974 | 1208 | int |
1da177e4 LT |
1209 | mptscsih_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, |
1210 | int length, int func) | |
1211 | { | |
1212 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; | |
1213 | MPT_ADAPTER *ioc = hd->ioc; | |
1214 | int size = 0; | |
1215 | ||
1216 | if (func) { | |
1217 | /* | |
1218 | * write is not supported | |
1219 | */ | |
1220 | } else { | |
1221 | if (start) | |
1222 | *start = buffer; | |
1223 | ||
1224 | size = mptscsih_host_info(ioc, buffer, offset, length); | |
1225 | } | |
1226 | ||
1227 | return size; | |
1228 | } | |
1229 | ||
1230 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1231 | #define ADD_INDEX_LOG(req_ent) do { } while(0) | |
1232 | ||
1233 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1234 | /** | |
1235 | * mptscsih_qcmd - Primary Fusion MPT SCSI initiator IO start routine. | |
1236 | * @SCpnt: Pointer to scsi_cmnd structure | |
1237 | * @done: Pointer SCSI mid-layer IO completion function | |
1238 | * | |
1239 | * (linux scsi_host_template.queuecommand routine) | |
1240 | * This is the primary SCSI IO start routine. Create a MPI SCSIIORequest | |
1241 | * from a linux scsi_cmnd request and send it to the IOC. | |
1242 | * | |
1243 | * Returns 0. (rtn value discarded by linux scsi mid-layer) | |
1244 | */ | |
0d0c7974 | 1245 | int |
1da177e4 LT |
1246 | mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) |
1247 | { | |
1248 | MPT_SCSI_HOST *hd; | |
1249 | MPT_FRAME_HDR *mf; | |
1250 | SCSIIORequest_t *pScsiReq; | |
1251 | VirtDevice *pTarget; | |
1252 | int target; | |
1253 | int lun; | |
1254 | u32 datalen; | |
1255 | u32 scsictl; | |
1256 | u32 scsidir; | |
1257 | u32 cmd_len; | |
1258 | int my_idx; | |
1259 | int ii; | |
1260 | ||
1261 | hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata; | |
1262 | target = SCpnt->device->id; | |
1263 | lun = SCpnt->device->lun; | |
1264 | SCpnt->scsi_done = done; | |
1265 | ||
1266 | pTarget = hd->Targets[target]; | |
1267 | ||
1268 | dmfprintk((MYIOC_s_INFO_FMT "qcmd: SCpnt=%p, done()=%p\n", | |
1269 | (hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt, done)); | |
1270 | ||
1271 | if (hd->resetPending) { | |
1272 | dtmprintk((MYIOC_s_WARN_FMT "qcmd: SCpnt=%p timeout + 60HZ\n", | |
1273 | (hd && hd->ioc) ? hd->ioc->name : "ioc?", SCpnt)); | |
1274 | return SCSI_MLQUEUE_HOST_BUSY; | |
1275 | } | |
1276 | ||
1277 | /* | |
1278 | * Put together a MPT SCSI request... | |
1279 | */ | |
0d0c7974 | 1280 | if ((mf = mpt_get_msg_frame(hd->ioc->DoneCtx, hd->ioc)) == NULL) { |
1da177e4 LT |
1281 | dprintk((MYIOC_s_WARN_FMT "QueueCmd, no msg frames!!\n", |
1282 | hd->ioc->name)); | |
1283 | return SCSI_MLQUEUE_HOST_BUSY; | |
1284 | } | |
1285 | ||
1286 | pScsiReq = (SCSIIORequest_t *) mf; | |
1287 | ||
1288 | my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
1289 | ||
1290 | ADD_INDEX_LOG(my_idx); | |
1291 | ||
0d0c7974 | 1292 | /* TUR's being issued with scsictl=0x02000000 (DATA_IN)! |
1da177e4 LT |
1293 | * Seems we may receive a buffer (datalen>0) even when there |
1294 | * will be no data transfer! GRRRRR... | |
1295 | */ | |
1296 | if (SCpnt->sc_data_direction == DMA_FROM_DEVICE) { | |
1297 | datalen = SCpnt->request_bufflen; | |
1298 | scsidir = MPI_SCSIIO_CONTROL_READ; /* DATA IN (host<--ioc<--dev) */ | |
1299 | } else if (SCpnt->sc_data_direction == DMA_TO_DEVICE) { | |
1300 | datalen = SCpnt->request_bufflen; | |
1301 | scsidir = MPI_SCSIIO_CONTROL_WRITE; /* DATA OUT (host-->ioc-->dev) */ | |
1302 | } else { | |
1303 | datalen = 0; | |
1304 | scsidir = MPI_SCSIIO_CONTROL_NODATATRANSFER; | |
1305 | } | |
1306 | ||
1307 | /* Default to untagged. Once a target structure has been allocated, | |
1308 | * use the Inquiry data to determine if device supports tagged. | |
1309 | */ | |
1310 | if ( pTarget | |
1311 | && (pTarget->tflags & MPT_TARGET_FLAGS_Q_YES) | |
1312 | && (SCpnt->device->tagged_supported)) { | |
1313 | scsictl = scsidir | MPI_SCSIIO_CONTROL_SIMPLEQ; | |
1314 | } else { | |
1315 | scsictl = scsidir | MPI_SCSIIO_CONTROL_UNTAGGED; | |
1316 | } | |
1317 | ||
1318 | /* Use the above information to set up the message frame | |
1319 | */ | |
1320 | pScsiReq->TargetID = (u8) target; | |
1321 | pScsiReq->Bus = (u8) SCpnt->device->channel; | |
1322 | pScsiReq->ChainOffset = 0; | |
1323 | pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; | |
1324 | pScsiReq->CDBLength = SCpnt->cmd_len; | |
1325 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; | |
1326 | pScsiReq->Reserved = 0; | |
1327 | pScsiReq->MsgFlags = mpt_msg_flags(); | |
1328 | pScsiReq->LUN[0] = 0; | |
1329 | pScsiReq->LUN[1] = lun; | |
1330 | pScsiReq->LUN[2] = 0; | |
1331 | pScsiReq->LUN[3] = 0; | |
1332 | pScsiReq->LUN[4] = 0; | |
1333 | pScsiReq->LUN[5] = 0; | |
1334 | pScsiReq->LUN[6] = 0; | |
1335 | pScsiReq->LUN[7] = 0; | |
1336 | pScsiReq->Control = cpu_to_le32(scsictl); | |
1337 | ||
1338 | /* | |
1339 | * Write SCSI CDB into the message | |
1340 | */ | |
1341 | cmd_len = SCpnt->cmd_len; | |
1342 | for (ii=0; ii < cmd_len; ii++) | |
1343 | pScsiReq->CDB[ii] = SCpnt->cmnd[ii]; | |
1344 | ||
1345 | for (ii=cmd_len; ii < 16; ii++) | |
1346 | pScsiReq->CDB[ii] = 0; | |
1347 | ||
1348 | /* DataLength */ | |
1349 | pScsiReq->DataLength = cpu_to_le32(datalen); | |
1350 | ||
1351 | /* SenseBuffer low address */ | |
1352 | pScsiReq->SenseBufferLowAddr = cpu_to_le32(hd->ioc->sense_buf_low_dma | |
1353 | + (my_idx * MPT_SENSE_BUFFER_ALLOC)); | |
1354 | ||
1355 | /* Now add the SG list | |
1356 | * Always have a SGE even if null length. | |
1357 | */ | |
1358 | if (datalen == 0) { | |
1359 | /* Add a NULL SGE */ | |
1360 | mptscsih_add_sge((char *)&pScsiReq->SGL, MPT_SGE_FLAGS_SSIMPLE_READ | 0, | |
1361 | (dma_addr_t) -1); | |
1362 | } else { | |
1363 | /* Add a 32 or 64 bit SGE */ | |
1364 | if (mptscsih_AddSGE(hd->ioc, SCpnt, pScsiReq, my_idx) != SUCCESS) | |
1365 | goto fail; | |
1366 | } | |
1367 | ||
1368 | hd->ScsiLookup[my_idx] = SCpnt; | |
1369 | SCpnt->host_scribble = NULL; | |
1370 | ||
1371 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
1372 | if (hd->ioc->bus_type == SCSI) { | |
1373 | int dvStatus = hd->ioc->spi_data.dvStatus[target]; | |
1374 | int issueCmd = 1; | |
1375 | ||
1376 | if (dvStatus || hd->ioc->spi_data.forceDv) { | |
1377 | ||
1378 | if ((dvStatus & MPT_SCSICFG_NEED_DV) || | |
1379 | (hd->ioc->spi_data.forceDv & MPT_SCSICFG_NEED_DV)) { | |
1380 | unsigned long lflags; | |
1381 | /* Schedule DV if necessary */ | |
1382 | spin_lock_irqsave(&dvtaskQ_lock, lflags); | |
1383 | if (!dvtaskQ_active) { | |
1384 | dvtaskQ_active = 1; | |
1385 | spin_unlock_irqrestore(&dvtaskQ_lock, lflags); | |
0d0c7974 | 1386 | INIT_WORK(&dvTaskQ_task, mptscsih_domainValidation, (void *) hd); |
1da177e4 | 1387 | |
0d0c7974 | 1388 | schedule_work(&dvTaskQ_task); |
1da177e4 LT |
1389 | } else { |
1390 | spin_unlock_irqrestore(&dvtaskQ_lock, lflags); | |
1391 | } | |
1392 | hd->ioc->spi_data.forceDv &= ~MPT_SCSICFG_NEED_DV; | |
1393 | } | |
1394 | ||
1395 | /* Trying to do DV to this target, extend timeout. | |
1396 | * Wait to issue until flag is clear | |
1397 | */ | |
1398 | if (dvStatus & MPT_SCSICFG_DV_PENDING) { | |
1399 | mod_timer(&SCpnt->eh_timeout, jiffies + 40 * HZ); | |
1400 | issueCmd = 0; | |
1401 | } | |
1402 | ||
1403 | /* Set the DV flags. | |
1404 | */ | |
1405 | if (dvStatus & MPT_SCSICFG_DV_NOT_DONE) | |
1406 | mptscsih_set_dvflags(hd, pScsiReq); | |
1407 | ||
1408 | if (!issueCmd) | |
1409 | goto fail; | |
1410 | } | |
1411 | } | |
1412 | #endif | |
1413 | ||
0d0c7974 | 1414 | mpt_put_msg_frame(hd->ioc->DoneCtx, hd->ioc, mf); |
1da177e4 LT |
1415 | dmfprintk((MYIOC_s_INFO_FMT "Issued SCSI cmd (%p) mf=%p idx=%d\n", |
1416 | hd->ioc->name, SCpnt, mf, my_idx)); | |
1417 | DBG_DUMP_REQUEST_FRAME(mf) | |
1418 | return 0; | |
1419 | ||
1420 | fail: | |
1421 | mptscsih_freeChainBuffers(hd->ioc, my_idx); | |
1422 | mpt_free_msg_frame(hd->ioc, mf); | |
1423 | return SCSI_MLQUEUE_HOST_BUSY; | |
1424 | } | |
1425 | ||
1426 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1427 | /* | |
1428 | * mptscsih_freeChainBuffers - Function to free chain buffers associated | |
1429 | * with a SCSI IO request | |
1430 | * @hd: Pointer to the MPT_SCSI_HOST instance | |
1431 | * @req_idx: Index of the SCSI IO request frame. | |
1432 | * | |
1433 | * Called if SG chain buffer allocation fails and mptscsih callbacks. | |
1434 | * No return. | |
1435 | */ | |
1436 | static void | |
1437 | mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx) | |
1438 | { | |
1439 | MPT_FRAME_HDR *chain; | |
1440 | unsigned long flags; | |
1441 | int chain_idx; | |
1442 | int next; | |
1443 | ||
1444 | /* Get the first chain index and reset | |
1445 | * tracker state. | |
1446 | */ | |
1447 | chain_idx = ioc->ReqToChain[req_idx]; | |
1448 | ioc->ReqToChain[req_idx] = MPT_HOST_NO_CHAIN; | |
1449 | ||
1450 | while (chain_idx != MPT_HOST_NO_CHAIN) { | |
1451 | ||
1452 | /* Save the next chain buffer index */ | |
1453 | next = ioc->ChainToChain[chain_idx]; | |
1454 | ||
1455 | /* Free this chain buffer and reset | |
1456 | * tracker | |
1457 | */ | |
1458 | ioc->ChainToChain[chain_idx] = MPT_HOST_NO_CHAIN; | |
1459 | ||
1460 | chain = (MPT_FRAME_HDR *) (ioc->ChainBuffer | |
1461 | + (chain_idx * ioc->req_sz)); | |
1462 | ||
1463 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
1464 | list_add_tail(&chain->u.frame.linkage.list, &ioc->FreeChainQ); | |
1465 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
1466 | ||
1467 | dmfprintk((MYIOC_s_INFO_FMT "FreeChainBuffers (index %d)\n", | |
1468 | ioc->name, chain_idx)); | |
1469 | ||
1470 | /* handle next */ | |
1471 | chain_idx = next; | |
1472 | } | |
1473 | return; | |
1474 | } | |
1475 | ||
1476 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1477 | /* | |
1478 | * Reset Handling | |
1479 | */ | |
1480 | ||
1481 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1482 | /* | |
1483 | * mptscsih_TMHandler - Generic handler for SCSI Task Management. | |
1484 | * Fall through to mpt_HardResetHandler if: not operational, too many | |
1485 | * failed TM requests or handshake failure. | |
1486 | * | |
1487 | * @ioc: Pointer to MPT_ADAPTER structure | |
1488 | * @type: Task Management type | |
1489 | * @target: Logical Target ID for reset (if appropriate) | |
1490 | * @lun: Logical Unit for reset (if appropriate) | |
1491 | * @ctx2abort: Context for the task to be aborted (if appropriate) | |
1492 | * | |
1493 | * Remark: Currently invoked from a non-interrupt thread (_bh). | |
1494 | * | |
1495 | * Remark: With old EH code, at most 1 SCSI TaskMgmt function per IOC | |
1496 | * will be active. | |
1497 | * | |
1498 | * Returns 0 for SUCCESS or -1 if FAILED. | |
1499 | */ | |
1500 | static int | |
1501 | mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout) | |
1502 | { | |
1503 | MPT_ADAPTER *ioc; | |
1504 | int rc = -1; | |
1505 | int doTask = 1; | |
1506 | u32 ioc_raw_state; | |
1507 | unsigned long flags; | |
1508 | ||
1509 | /* If FW is being reloaded currently, return success to | |
1510 | * the calling function. | |
1511 | */ | |
1512 | if (hd == NULL) | |
1513 | return 0; | |
1514 | ||
1515 | ioc = hd->ioc; | |
1516 | if (ioc == NULL) { | |
1517 | printk(KERN_ERR MYNAM " TMHandler" " NULL ioc!\n"); | |
1518 | return FAILED; | |
1519 | } | |
1520 | dtmprintk((MYIOC_s_INFO_FMT "TMHandler Entered!\n", ioc->name)); | |
1521 | ||
1522 | // SJR - CHECKME - Can we avoid this here? | |
1523 | // (mpt_HardResetHandler has this check...) | |
1524 | spin_lock_irqsave(&ioc->diagLock, flags); | |
1525 | if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)) { | |
1526 | spin_unlock_irqrestore(&ioc->diagLock, flags); | |
1527 | return FAILED; | |
1528 | } | |
1529 | spin_unlock_irqrestore(&ioc->diagLock, flags); | |
1530 | ||
1531 | /* Wait a fixed amount of time for the TM pending flag to be cleared. | |
1532 | * If we time out and not bus reset, then we return a FAILED status to the caller. | |
1533 | * The call to mptscsih_tm_pending_wait() will set the pending flag if we are | |
1534 | * successful. Otherwise, reload the FW. | |
1535 | */ | |
1536 | if (mptscsih_tm_pending_wait(hd) == FAILED) { | |
1537 | if (type == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) { | |
1538 | dtmprintk((KERN_WARNING MYNAM ": %s: TMHandler abort: " | |
1539 | "Timed out waiting for last TM (%d) to complete! \n", | |
1540 | hd->ioc->name, hd->tmPending)); | |
1541 | return FAILED; | |
1542 | } else if (type == MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET) { | |
1543 | dtmprintk((KERN_WARNING MYNAM ": %s: TMHandler target reset: " | |
1544 | "Timed out waiting for last TM (%d) to complete! \n", | |
1545 | hd->ioc->name, hd->tmPending)); | |
1546 | return FAILED; | |
1547 | } else if (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) { | |
1548 | dtmprintk((KERN_WARNING MYNAM ": %s: TMHandler bus reset: " | |
1549 | "Timed out waiting for last TM (%d) to complete! \n", | |
1550 | hd->ioc->name, hd->tmPending)); | |
1551 | if (hd->tmPending & (1 << MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)) | |
1552 | return FAILED; | |
1553 | ||
1554 | doTask = 0; | |
1555 | } | |
1556 | } else { | |
1557 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); | |
1558 | hd->tmPending |= (1 << type); | |
1559 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
1560 | } | |
1561 | ||
1562 | /* Is operational? | |
1563 | */ | |
1564 | ioc_raw_state = mpt_GetIocState(hd->ioc, 0); | |
1565 | ||
1566 | #ifdef MPT_DEBUG_RESET | |
1567 | if ((ioc_raw_state & MPI_IOC_STATE_MASK) != MPI_IOC_STATE_OPERATIONAL) { | |
1568 | printk(MYIOC_s_WARN_FMT | |
1569 | "TM Handler: IOC Not operational(0x%x)!\n", | |
1570 | hd->ioc->name, ioc_raw_state); | |
1571 | } | |
1572 | #endif | |
1573 | ||
1574 | if (doTask && ((ioc_raw_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) | |
1575 | && !(ioc_raw_state & MPI_DOORBELL_ACTIVE)) { | |
1576 | ||
1577 | /* Isse the Task Mgmt request. | |
1578 | */ | |
1579 | if (hd->hard_resets < -1) | |
1580 | hd->hard_resets++; | |
1581 | rc = mptscsih_IssueTaskMgmt(hd, type, channel, target, lun, ctx2abort, timeout); | |
1582 | if (rc) { | |
1583 | printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n", hd->ioc->name); | |
1584 | } else { | |
1585 | dtmprintk((MYIOC_s_INFO_FMT "Issue of TaskMgmt Successful!\n", hd->ioc->name)); | |
1586 | } | |
1587 | } | |
1588 | ||
1589 | /* Only fall through to the HRH if this is a bus reset | |
1590 | */ | |
1591 | if ((type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) && (rc || | |
1592 | ioc->reload_fw || (ioc->alt_ioc && ioc->alt_ioc->reload_fw))) { | |
1593 | dtmprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n", | |
1594 | hd->ioc->name)); | |
1595 | rc = mpt_HardResetHandler(hd->ioc, CAN_SLEEP); | |
1596 | } | |
1597 | ||
1598 | dtmprintk((MYIOC_s_INFO_FMT "TMHandler rc = %d!\n", hd->ioc->name, rc)); | |
1599 | ||
1600 | return rc; | |
1601 | } | |
1602 | ||
1603 | ||
1604 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1605 | /* | |
1606 | * mptscsih_IssueTaskMgmt - Generic send Task Management function. | |
1607 | * @hd: Pointer to MPT_SCSI_HOST structure | |
1608 | * @type: Task Management type | |
1609 | * @target: Logical Target ID for reset (if appropriate) | |
1610 | * @lun: Logical Unit for reset (if appropriate) | |
1611 | * @ctx2abort: Context for the task to be aborted (if appropriate) | |
1612 | * | |
1613 | * Remark: _HardResetHandler can be invoked from an interrupt thread (timer) | |
1614 | * or a non-interrupt thread. In the former, must not call schedule(). | |
1615 | * | |
1616 | * Not all fields are meaningfull for all task types. | |
1617 | * | |
1618 | * Returns 0 for SUCCESS, -999 for "no msg frames", | |
1619 | * else other non-zero value returned. | |
1620 | */ | |
1621 | static int | |
1622 | mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout) | |
1623 | { | |
1624 | MPT_FRAME_HDR *mf; | |
1625 | SCSITaskMgmt_t *pScsiTm; | |
1626 | int ii; | |
1627 | int retval; | |
1628 | ||
1629 | /* Return Fail to calling function if no message frames available. | |
1630 | */ | |
0d0c7974 | 1631 | if ((mf = mpt_get_msg_frame(hd->ioc->TaskCtx, hd->ioc)) == NULL) { |
1da177e4 LT |
1632 | dfailprintk((MYIOC_s_ERR_FMT "IssueTaskMgmt, no msg frames!!\n", |
1633 | hd->ioc->name)); | |
1634 | //return FAILED; | |
1635 | return -999; | |
1636 | } | |
1637 | dtmprintk((MYIOC_s_INFO_FMT "IssueTaskMgmt request @ %p\n", | |
1638 | hd->ioc->name, mf)); | |
1639 | ||
1640 | /* Format the Request | |
1641 | */ | |
1642 | pScsiTm = (SCSITaskMgmt_t *) mf; | |
1643 | pScsiTm->TargetID = target; | |
1644 | pScsiTm->Bus = channel; | |
1645 | pScsiTm->ChainOffset = 0; | |
1646 | pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT; | |
1647 | ||
1648 | pScsiTm->Reserved = 0; | |
1649 | pScsiTm->TaskType = type; | |
1650 | pScsiTm->Reserved1 = 0; | |
1651 | pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) | |
1652 | ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0; | |
1653 | ||
1654 | for (ii= 0; ii < 8; ii++) { | |
1655 | pScsiTm->LUN[ii] = 0; | |
1656 | } | |
1657 | pScsiTm->LUN[1] = lun; | |
1658 | ||
1659 | for (ii=0; ii < 7; ii++) | |
1660 | pScsiTm->Reserved2[ii] = 0; | |
1661 | ||
1662 | pScsiTm->TaskMsgContext = ctx2abort; | |
1663 | ||
1664 | dtmprintk((MYIOC_s_INFO_FMT | |
1665 | "IssueTaskMgmt: ctx2abort (0x%08x) type=%d\n", | |
1666 | hd->ioc->name, ctx2abort, type)); | |
1667 | ||
1668 | DBG_DUMP_TM_REQUEST_FRAME((u32 *)pScsiTm); | |
1669 | ||
0d0c7974 | 1670 | if ((retval = mpt_send_handshake_request(hd->ioc->TaskCtx, hd->ioc, |
1da177e4 LT |
1671 | sizeof(SCSITaskMgmt_t), (u32*)pScsiTm, |
1672 | CAN_SLEEP)) != 0) { | |
1673 | dfailprintk((MYIOC_s_ERR_FMT "_send_handshake FAILED!" | |
1674 | " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, | |
1675 | hd->ioc, mf)); | |
1676 | mpt_free_msg_frame(hd->ioc, mf); | |
1677 | return retval; | |
1678 | } | |
1679 | ||
1680 | if(mptscsih_tm_wait_for_completion(hd, timeout) == FAILED) { | |
1681 | dfailprintk((MYIOC_s_ERR_FMT "_wait_for_completion FAILED!" | |
1682 | " (hd %p, ioc %p, mf %p) \n", hd->ioc->name, hd, | |
1683 | hd->ioc, mf)); | |
1684 | mpt_free_msg_frame(hd->ioc, mf); | |
1685 | dtmprintk((MYIOC_s_INFO_FMT "Calling HardReset! \n", | |
1686 | hd->ioc->name)); | |
1687 | retval = mpt_HardResetHandler(hd->ioc, CAN_SLEEP); | |
1688 | } | |
1689 | ||
1690 | return retval; | |
1691 | } | |
1692 | ||
1693 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1694 | /** | |
1695 | * mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant | |
1696 | * @SCpnt: Pointer to scsi_cmnd structure, IO to be aborted | |
1697 | * | |
1698 | * (linux scsi_host_template.eh_abort_handler routine) | |
1699 | * | |
1700 | * Returns SUCCESS or FAILED. | |
1701 | */ | |
0d0c7974 | 1702 | int |
1da177e4 LT |
1703 | mptscsih_abort(struct scsi_cmnd * SCpnt) |
1704 | { | |
1705 | MPT_SCSI_HOST *hd; | |
1706 | MPT_ADAPTER *ioc; | |
1707 | MPT_FRAME_HDR *mf; | |
1708 | u32 ctx2abort; | |
1709 | int scpnt_idx; | |
1da177e4 LT |
1710 | |
1711 | /* If we can't locate our host adapter structure, return FAILED status. | |
1712 | */ | |
1713 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL) { | |
1714 | SCpnt->result = DID_RESET << 16; | |
1715 | SCpnt->scsi_done(SCpnt); | |
1716 | dfailprintk((KERN_WARNING MYNAM ": mptscsih_abort: " | |
1717 | "Can't locate host! (sc=%p)\n", | |
1718 | SCpnt)); | |
1719 | return FAILED; | |
1720 | } | |
1721 | ||
1722 | ioc = hd->ioc; | |
1723 | if (hd->resetPending) | |
1724 | return FAILED; | |
1725 | ||
1726 | printk(KERN_WARNING MYNAM ": %s: >> Attempting task abort! (sc=%p)\n", | |
1727 | hd->ioc->name, SCpnt); | |
1728 | ||
1729 | if (hd->timeouts < -1) | |
1730 | hd->timeouts++; | |
1731 | ||
1732 | /* Find this command | |
1733 | */ | |
1734 | if ((scpnt_idx = SCPNT_TO_LOOKUP_IDX(SCpnt)) < 0) { | |
1735 | /* Cmd not found in ScsiLookup. | |
1736 | * Do OS callback. | |
1737 | */ | |
1738 | SCpnt->result = DID_RESET << 16; | |
1739 | dtmprintk((KERN_WARNING MYNAM ": %s: mptscsih_abort: " | |
1740 | "Command not in the active list! (sc=%p)\n", | |
1741 | hd->ioc->name, SCpnt)); | |
1742 | return SUCCESS; | |
1743 | } | |
1744 | ||
1745 | /* Most important! Set TaskMsgContext to SCpnt's MsgContext! | |
1746 | * (the IO to be ABORT'd) | |
1747 | * | |
1748 | * NOTE: Since we do not byteswap MsgContext, we do not | |
1749 | * swap it here either. It is an opaque cookie to | |
1750 | * the controller, so it does not matter. -DaveM | |
1751 | */ | |
1752 | mf = MPT_INDEX_2_MFPTR(hd->ioc, scpnt_idx); | |
1753 | ctx2abort = mf->u.frame.hwhdr.msgctxu.MsgContext; | |
1754 | ||
1755 | hd->abortSCpnt = SCpnt; | |
1756 | ||
1da177e4 LT |
1757 | if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK, |
1758 | SCpnt->device->channel, SCpnt->device->id, SCpnt->device->lun, | |
1759 | ctx2abort, 2 /* 2 second timeout */) | |
1760 | < 0) { | |
1761 | ||
1762 | /* The TM request failed and the subsequent FW-reload failed! | |
1763 | * Fatal error case. | |
1764 | */ | |
1765 | printk(MYIOC_s_WARN_FMT "Error issuing abort task! (sc=%p)\n", | |
1766 | hd->ioc->name, SCpnt); | |
1767 | ||
1768 | /* We must clear our pending flag before clearing our state. | |
1769 | */ | |
1770 | hd->tmPending = 0; | |
1771 | hd->tmState = TM_STATE_NONE; | |
1772 | ||
1da177e4 LT |
1773 | /* Unmap the DMA buffers, if any. */ |
1774 | if (SCpnt->use_sg) { | |
1775 | pci_unmap_sg(ioc->pcidev, (struct scatterlist *) SCpnt->request_buffer, | |
1776 | SCpnt->use_sg, SCpnt->sc_data_direction); | |
1777 | } else if (SCpnt->request_bufflen) { | |
1778 | pci_unmap_single(ioc->pcidev, SCpnt->SCp.dma_handle, | |
1779 | SCpnt->request_bufflen, SCpnt->sc_data_direction); | |
1780 | } | |
1781 | hd->ScsiLookup[scpnt_idx] = NULL; | |
1782 | SCpnt->result = DID_RESET << 16; | |
1783 | SCpnt->scsi_done(SCpnt); /* Issue the command callback */ | |
1784 | mptscsih_freeChainBuffers(ioc, scpnt_idx); | |
1785 | mpt_free_msg_frame(ioc, mf); | |
1786 | return FAILED; | |
1787 | } | |
1da177e4 LT |
1788 | return SUCCESS; |
1789 | } | |
1790 | ||
1791 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1792 | /** | |
1793 | * mptscsih_dev_reset - Perform a SCSI TARGET_RESET! new_eh variant | |
1794 | * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to | |
1795 | * | |
1796 | * (linux scsi_host_template.eh_dev_reset_handler routine) | |
1797 | * | |
1798 | * Returns SUCCESS or FAILED. | |
1799 | */ | |
0d0c7974 | 1800 | int |
1da177e4 LT |
1801 | mptscsih_dev_reset(struct scsi_cmnd * SCpnt) |
1802 | { | |
1803 | MPT_SCSI_HOST *hd; | |
1da177e4 LT |
1804 | |
1805 | /* If we can't locate our host adapter structure, return FAILED status. | |
1806 | */ | |
1807 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ | |
1808 | dtmprintk((KERN_WARNING MYNAM ": mptscsih_dev_reset: " | |
1809 | "Can't locate host! (sc=%p)\n", | |
1810 | SCpnt)); | |
1811 | return FAILED; | |
1812 | } | |
1813 | ||
1814 | if (hd->resetPending) | |
1815 | return FAILED; | |
1816 | ||
1817 | printk(KERN_WARNING MYNAM ": %s: >> Attempting target reset! (sc=%p)\n", | |
1818 | hd->ioc->name, SCpnt); | |
1819 | ||
1da177e4 LT |
1820 | if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET, |
1821 | SCpnt->device->channel, SCpnt->device->id, | |
1822 | 0, 0, 5 /* 5 second timeout */) | |
1823 | < 0){ | |
1824 | /* The TM request failed and the subsequent FW-reload failed! | |
1825 | * Fatal error case. | |
1826 | */ | |
1827 | printk(MYIOC_s_WARN_FMT "Error processing TaskMgmt request (sc=%p)\n", | |
1828 | hd->ioc->name, SCpnt); | |
1829 | hd->tmPending = 0; | |
1830 | hd->tmState = TM_STATE_NONE; | |
1da177e4 LT |
1831 | return FAILED; |
1832 | } | |
1da177e4 | 1833 | |
94d0e7b8 | 1834 | return SUCCESS; |
1da177e4 LT |
1835 | } |
1836 | ||
1837 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1838 | /** | |
1839 | * mptscsih_bus_reset - Perform a SCSI BUS_RESET! new_eh variant | |
1840 | * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to | |
1841 | * | |
1842 | * (linux scsi_host_template.eh_bus_reset_handler routine) | |
1843 | * | |
1844 | * Returns SUCCESS or FAILED. | |
1845 | */ | |
0d0c7974 | 1846 | int |
1da177e4 LT |
1847 | mptscsih_bus_reset(struct scsi_cmnd * SCpnt) |
1848 | { | |
1849 | MPT_SCSI_HOST *hd; | |
1850 | spinlock_t *host_lock = SCpnt->device->host->host_lock; | |
1851 | ||
1852 | /* If we can't locate our host adapter structure, return FAILED status. | |
1853 | */ | |
1854 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ | |
1855 | dtmprintk((KERN_WARNING MYNAM ": mptscsih_bus_reset: " | |
1856 | "Can't locate host! (sc=%p)\n", | |
1857 | SCpnt ) ); | |
1858 | return FAILED; | |
1859 | } | |
1860 | ||
1861 | printk(KERN_WARNING MYNAM ": %s: >> Attempting bus reset! (sc=%p)\n", | |
1862 | hd->ioc->name, SCpnt); | |
1863 | ||
1864 | if (hd->timeouts < -1) | |
1865 | hd->timeouts++; | |
1866 | ||
1867 | /* We are now ready to execute the task management request. */ | |
1da177e4 LT |
1868 | if (mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, |
1869 | SCpnt->device->channel, 0, 0, 0, 5 /* 5 second timeout */) | |
1870 | < 0){ | |
1871 | ||
1872 | /* The TM request failed and the subsequent FW-reload failed! | |
1873 | * Fatal error case. | |
1874 | */ | |
1875 | printk(MYIOC_s_WARN_FMT | |
1876 | "Error processing TaskMgmt request (sc=%p)\n", | |
1877 | hd->ioc->name, SCpnt); | |
1878 | hd->tmPending = 0; | |
1879 | hd->tmState = TM_STATE_NONE; | |
1880 | spin_lock_irq(host_lock); | |
1881 | return FAILED; | |
1882 | } | |
68b3aa7c | 1883 | |
1da177e4 LT |
1884 | return SUCCESS; |
1885 | } | |
1886 | ||
1887 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1888 | /** | |
1889 | * mptscsih_host_reset - Perform a SCSI host adapter RESET! | |
1890 | * new_eh variant | |
1891 | * @SCpnt: Pointer to scsi_cmnd structure, IO which reset is due to | |
1892 | * | |
1893 | * (linux scsi_host_template.eh_host_reset_handler routine) | |
1894 | * | |
1895 | * Returns SUCCESS or FAILED. | |
1896 | */ | |
0d0c7974 | 1897 | int |
1da177e4 LT |
1898 | mptscsih_host_reset(struct scsi_cmnd *SCpnt) |
1899 | { | |
1900 | MPT_SCSI_HOST * hd; | |
1901 | int status = SUCCESS; | |
1da177e4 LT |
1902 | |
1903 | /* If we can't locate the host to reset, then we failed. */ | |
1904 | if ((hd = (MPT_SCSI_HOST *) SCpnt->device->host->hostdata) == NULL){ | |
1905 | dtmprintk( ( KERN_WARNING MYNAM ": mptscsih_host_reset: " | |
1906 | "Can't locate host! (sc=%p)\n", | |
1907 | SCpnt ) ); | |
1908 | return FAILED; | |
1909 | } | |
1910 | ||
1911 | printk(KERN_WARNING MYNAM ": %s: >> Attempting host reset! (sc=%p)\n", | |
1912 | hd->ioc->name, SCpnt); | |
1913 | ||
1914 | /* If our attempts to reset the host failed, then return a failed | |
1915 | * status. The host will be taken off line by the SCSI mid-layer. | |
1916 | */ | |
1da177e4 LT |
1917 | if (mpt_HardResetHandler(hd->ioc, CAN_SLEEP) < 0){ |
1918 | status = FAILED; | |
1919 | } else { | |
1920 | /* Make sure TM pending is cleared and TM state is set to | |
1921 | * NONE. | |
1922 | */ | |
1923 | hd->tmPending = 0; | |
1924 | hd->tmState = TM_STATE_NONE; | |
1925 | } | |
1da177e4 LT |
1926 | |
1927 | dtmprintk( ( KERN_WARNING MYNAM ": mptscsih_host_reset: " | |
1928 | "Status = %s\n", | |
1929 | (status == SUCCESS) ? "SUCCESS" : "FAILED" ) ); | |
1930 | ||
1931 | return status; | |
1932 | } | |
1933 | ||
1934 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1935 | /** | |
1936 | * mptscsih_tm_pending_wait - wait for pending task management request to | |
1937 | * complete. | |
1938 | * @hd: Pointer to MPT host structure. | |
1939 | * | |
1940 | * Returns {SUCCESS,FAILED}. | |
1941 | */ | |
1942 | static int | |
1943 | mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd) | |
1944 | { | |
1945 | unsigned long flags; | |
1946 | int loop_count = 4 * 10; /* Wait 10 seconds */ | |
1947 | int status = FAILED; | |
1948 | ||
1949 | do { | |
1950 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); | |
1951 | if (hd->tmState == TM_STATE_NONE) { | |
1952 | hd->tmState = TM_STATE_IN_PROGRESS; | |
1953 | hd->tmPending = 1; | |
1954 | status = SUCCESS; | |
1955 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
1956 | break; | |
1957 | } | |
1958 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
1959 | msleep(250); | |
1960 | } while (--loop_count); | |
1961 | ||
1962 | return status; | |
1963 | } | |
1964 | ||
1965 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1966 | /** | |
1967 | * mptscsih_tm_wait_for_completion - wait for completion of TM task | |
1968 | * @hd: Pointer to MPT host structure. | |
1969 | * | |
1970 | * Returns {SUCCESS,FAILED}. | |
1971 | */ | |
1972 | static int | |
1973 | mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout ) | |
1974 | { | |
1975 | unsigned long flags; | |
1976 | int loop_count = 4 * timeout; | |
1977 | int status = FAILED; | |
1978 | ||
1979 | do { | |
1980 | spin_lock_irqsave(&hd->ioc->FreeQlock, flags); | |
1981 | if(hd->tmPending == 0) { | |
1982 | status = SUCCESS; | |
1983 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
1984 | break; | |
1985 | } | |
1986 | spin_unlock_irqrestore(&hd->ioc->FreeQlock, flags); | |
1987 | msleep_interruptible(250); | |
1988 | } while (--loop_count); | |
1989 | ||
1990 | return status; | |
1991 | } | |
1992 | ||
1993 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
1994 | /** | |
1995 | * mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver | |
1996 | * @ioc: Pointer to MPT_ADAPTER structure | |
1997 | * @mf: Pointer to SCSI task mgmt request frame | |
1998 | * @mr: Pointer to SCSI task mgmt reply frame | |
1999 | * | |
2000 | * This routine is called from mptbase.c::mpt_interrupt() at the completion | |
2001 | * of any SCSI task management request. | |
2002 | * This routine is registered with the MPT (base) driver at driver | |
2003 | * load/init time via the mpt_register() API call. | |
2004 | * | |
2005 | * Returns 1 indicating alloc'd request frame ptr should be freed. | |
2006 | */ | |
0d0c7974 | 2007 | int |
1da177e4 LT |
2008 | mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
2009 | { | |
2010 | SCSITaskMgmtReply_t *pScsiTmReply; | |
2011 | SCSITaskMgmt_t *pScsiTmReq; | |
2012 | MPT_SCSI_HOST *hd; | |
2013 | unsigned long flags; | |
2014 | u16 iocstatus; | |
2015 | u8 tmType; | |
2016 | ||
2017 | dtmprintk((MYIOC_s_WARN_FMT "TaskMgmt completed (mf=%p,mr=%p)\n", | |
2018 | ioc->name, mf, mr)); | |
2019 | if (ioc->sh) { | |
2020 | /* Depending on the thread, a timer is activated for | |
2021 | * the TM request. Delete this timer on completion of TM. | |
2022 | * Decrement count of outstanding TM requests. | |
2023 | */ | |
2024 | hd = (MPT_SCSI_HOST *)ioc->sh->hostdata; | |
2025 | } else { | |
2026 | dtmprintk((MYIOC_s_WARN_FMT "TaskMgmt Complete: NULL Scsi Host Ptr\n", | |
2027 | ioc->name)); | |
2028 | return 1; | |
2029 | } | |
2030 | ||
2031 | if (mr == NULL) { | |
2032 | dtmprintk((MYIOC_s_WARN_FMT "ERROR! TaskMgmt Reply: NULL Request %p\n", | |
2033 | ioc->name, mf)); | |
2034 | return 1; | |
2035 | } else { | |
2036 | pScsiTmReply = (SCSITaskMgmtReply_t*)mr; | |
2037 | pScsiTmReq = (SCSITaskMgmt_t*)mf; | |
2038 | ||
2039 | /* Figure out if this was ABORT_TASK, TARGET_RESET, or BUS_RESET! */ | |
2040 | tmType = pScsiTmReq->TaskType; | |
2041 | ||
2042 | dtmprintk((MYIOC_s_WARN_FMT " TaskType = %d, TerminationCount=%d\n", | |
2043 | ioc->name, tmType, le32_to_cpu(pScsiTmReply->TerminationCount))); | |
2044 | DBG_DUMP_TM_REPLY_FRAME((u32 *)pScsiTmReply); | |
2045 | ||
2046 | iocstatus = le16_to_cpu(pScsiTmReply->IOCStatus) & MPI_IOCSTATUS_MASK; | |
2047 | dtmprintk((MYIOC_s_WARN_FMT " SCSI TaskMgmt (%d) IOCStatus=%04x IOCLogInfo=%08x\n", | |
2048 | ioc->name, tmType, iocstatus, le32_to_cpu(pScsiTmReply->IOCLogInfo))); | |
2049 | /* Error? (anything non-zero?) */ | |
2050 | if (iocstatus) { | |
2051 | ||
2052 | /* clear flags and continue. | |
2053 | */ | |
2054 | if (tmType == MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK) | |
2055 | hd->abortSCpnt = NULL; | |
2056 | ||
2057 | /* If an internal command is present | |
2058 | * or the TM failed - reload the FW. | |
2059 | * FC FW may respond FAILED to an ABORT | |
2060 | */ | |
2061 | if (tmType == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS) { | |
2062 | if ((hd->cmdPtr) || | |
2063 | (iocstatus == MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED)) { | |
2064 | if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0) { | |
2065 | printk((KERN_WARNING | |
2066 | " Firmware Reload FAILED!!\n")); | |
2067 | } | |
2068 | } | |
2069 | } | |
2070 | } else { | |
2071 | dtmprintk((MYIOC_s_WARN_FMT " TaskMgmt SUCCESS\n", ioc->name)); | |
2072 | ||
2073 | hd->abortSCpnt = NULL; | |
2074 | ||
2075 | } | |
2076 | } | |
2077 | ||
2078 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
2079 | hd->tmPending = 0; | |
2080 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
2081 | hd->tmState = TM_STATE_NONE; | |
2082 | ||
2083 | return 1; | |
2084 | } | |
2085 | ||
2086 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2087 | /* | |
2088 | * This is anyones guess quite frankly. | |
2089 | */ | |
0d0c7974 | 2090 | int |
1da177e4 LT |
2091 | mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, |
2092 | sector_t capacity, int geom[]) | |
2093 | { | |
2094 | int heads; | |
2095 | int sectors; | |
2096 | sector_t cylinders; | |
2097 | ulong dummy; | |
2098 | ||
2099 | heads = 64; | |
2100 | sectors = 32; | |
2101 | ||
2102 | dummy = heads * sectors; | |
2103 | cylinders = capacity; | |
2104 | sector_div(cylinders,dummy); | |
2105 | ||
2106 | /* | |
2107 | * Handle extended translation size for logical drives | |
2108 | * > 1Gb | |
2109 | */ | |
2110 | if ((ulong)capacity >= 0x200000) { | |
2111 | heads = 255; | |
2112 | sectors = 63; | |
2113 | dummy = heads * sectors; | |
2114 | cylinders = capacity; | |
2115 | sector_div(cylinders,dummy); | |
2116 | } | |
2117 | ||
2118 | /* return result */ | |
2119 | geom[0] = heads; | |
2120 | geom[1] = sectors; | |
2121 | geom[2] = cylinders; | |
2122 | ||
2123 | dprintk((KERN_NOTICE | |
2124 | ": bios_param: Id=%i Lun=%i Channel=%i CHS=%i/%i/%i\n", | |
2125 | sdev->id, sdev->lun,sdev->channel,(int)cylinders,heads,sectors)); | |
2126 | ||
2127 | return 0; | |
2128 | } | |
2129 | ||
2130 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2131 | /* | |
2132 | * OS entry point to allow host driver to alloc memory | |
2133 | * for each scsi device. Called once per device the bus scan. | |
2134 | * Return non-zero if allocation fails. | |
2135 | * Init memory once per id (not LUN). | |
2136 | */ | |
0d0c7974 | 2137 | int |
1da177e4 LT |
2138 | mptscsih_slave_alloc(struct scsi_device *device) |
2139 | { | |
2140 | struct Scsi_Host *host = device->host; | |
2141 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; | |
2142 | VirtDevice *vdev; | |
2143 | uint target = device->id; | |
2144 | ||
2145 | if (hd == NULL) | |
2146 | return -ENODEV; | |
2147 | ||
2148 | if ((vdev = hd->Targets[target]) != NULL) | |
2149 | goto out; | |
2150 | ||
2151 | vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL); | |
2152 | if (!vdev) { | |
2153 | printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n", | |
2154 | hd->ioc->name, sizeof(VirtDevice)); | |
2155 | return -ENOMEM; | |
2156 | } | |
2157 | ||
2158 | memset(vdev, 0, sizeof(VirtDevice)); | |
2159 | vdev->tflags = MPT_TARGET_FLAGS_Q_YES; | |
2160 | vdev->ioc_id = hd->ioc->id; | |
2161 | vdev->target_id = device->id; | |
2162 | vdev->bus_id = device->channel; | |
2163 | vdev->raidVolume = 0; | |
2164 | hd->Targets[device->id] = vdev; | |
2165 | if (hd->ioc->bus_type == SCSI) { | |
2166 | if (hd->ioc->spi_data.isRaid & (1 << device->id)) { | |
2167 | vdev->raidVolume = 1; | |
2168 | ddvtprintk((KERN_INFO | |
2169 | "RAID Volume @ id %d\n", device->id)); | |
2170 | } | |
2171 | } else { | |
2172 | vdev->tflags |= MPT_TARGET_FLAGS_VALID_INQUIRY; | |
2173 | } | |
2174 | ||
2175 | out: | |
2176 | vdev->num_luns++; | |
2177 | return 0; | |
2178 | } | |
2179 | ||
0d0c7974 MED |
2180 | static int |
2181 | mptscsih_is_raid_volume(MPT_SCSI_HOST *hd, uint id) | |
1da177e4 LT |
2182 | { |
2183 | int i; | |
2184 | ||
2185 | if (!hd->ioc->spi_data.isRaid || !hd->ioc->spi_data.pIocPg3) | |
2186 | return 0; | |
2187 | ||
2188 | for (i = 0; i < hd->ioc->spi_data.pIocPg3->NumPhysDisks; i++) { | |
2189 | if (id == hd->ioc->spi_data.pIocPg3->PhysDisk[i].PhysDiskID) | |
2190 | return 1; | |
2191 | } | |
2192 | ||
2193 | return 0; | |
2194 | } | |
2195 | ||
2196 | /* | |
2197 | * OS entry point to allow for host driver to free allocated memory | |
2198 | * Called if no device present or device being unloaded | |
2199 | */ | |
0d0c7974 | 2200 | void |
1da177e4 LT |
2201 | mptscsih_slave_destroy(struct scsi_device *device) |
2202 | { | |
2203 | struct Scsi_Host *host = device->host; | |
2204 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)host->hostdata; | |
2205 | VirtDevice *vdev; | |
2206 | uint target = device->id; | |
2207 | uint lun = device->lun; | |
2208 | ||
2209 | if (hd == NULL) | |
2210 | return; | |
2211 | ||
2212 | mptscsih_search_running_cmds(hd, target, lun); | |
2213 | ||
2214 | vdev = hd->Targets[target]; | |
2215 | vdev->luns[0] &= ~(1 << lun); | |
2216 | if (--vdev->num_luns) | |
2217 | return; | |
2218 | ||
2219 | kfree(hd->Targets[target]); | |
2220 | hd->Targets[target] = NULL; | |
0d0c7974 | 2221 | |
1da177e4 LT |
2222 | if (hd->ioc->bus_type == SCSI) { |
2223 | if (mptscsih_is_raid_volume(hd, target)) { | |
2224 | hd->ioc->spi_data.forceDv |= MPT_SCSICFG_RELOAD_IOC_PG3; | |
2225 | } else { | |
2226 | hd->ioc->spi_data.dvStatus[target] = | |
2227 | MPT_SCSICFG_NEGOTIATE; | |
2228 | ||
2229 | if (!hd->negoNvram) { | |
2230 | hd->ioc->spi_data.dvStatus[target] |= | |
2231 | MPT_SCSICFG_DV_NOT_DONE; | |
2232 | } | |
2233 | } | |
2234 | } | |
2235 | } | |
2236 | ||
2237 | static void | |
2238 | mptscsih_set_queue_depth(struct scsi_device *device, MPT_SCSI_HOST *hd, | |
2239 | VirtDevice *pTarget, int qdepth) | |
2240 | { | |
2241 | int max_depth; | |
2242 | int tagged; | |
2243 | ||
2244 | if (hd->ioc->bus_type == SCSI) { | |
2245 | if (pTarget->tflags & MPT_TARGET_FLAGS_VALID_INQUIRY) { | |
2246 | if (!(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)) | |
2247 | max_depth = 1; | |
2248 | else if (((pTarget->inq_data[0] & 0x1f) == 0x00) && | |
2249 | (pTarget->minSyncFactor <= MPT_ULTRA160 )) | |
2250 | max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; | |
2251 | else | |
2252 | max_depth = MPT_SCSI_CMD_PER_DEV_LOW; | |
2253 | } else { | |
2254 | /* error case - No Inq. Data */ | |
2255 | max_depth = 1; | |
2256 | } | |
2257 | } else | |
2258 | max_depth = MPT_SCSI_CMD_PER_DEV_HIGH; | |
2259 | ||
2260 | if (qdepth > max_depth) | |
2261 | qdepth = max_depth; | |
2262 | if (qdepth == 1) | |
2263 | tagged = 0; | |
2264 | else | |
2265 | tagged = MSG_SIMPLE_TAG; | |
2266 | ||
2267 | scsi_adjust_queue_depth(device, tagged, qdepth); | |
2268 | } | |
2269 | ||
2270 | ||
2271 | /* | |
2272 | * OS entry point to adjust the queue_depths on a per-device basis. | |
2273 | * Called once per device the bus scan. Use it to force the queue_depth | |
2274 | * member to 1 if a device does not support Q tags. | |
2275 | * Return non-zero if fails. | |
2276 | */ | |
0d0c7974 | 2277 | int |
1da177e4 LT |
2278 | mptscsih_slave_configure(struct scsi_device *device) |
2279 | { | |
2280 | struct Scsi_Host *sh = device->host; | |
2281 | VirtDevice *pTarget; | |
2282 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sh->hostdata; | |
2283 | ||
2284 | if ((hd == NULL) || (hd->Targets == NULL)) { | |
2285 | return 0; | |
2286 | } | |
2287 | ||
2288 | dsprintk((MYIOC_s_INFO_FMT | |
2289 | "device @ %p, id=%d, LUN=%d, channel=%d\n", | |
2290 | hd->ioc->name, device, device->id, device->lun, device->channel)); | |
2291 | dsprintk((MYIOC_s_INFO_FMT | |
2292 | "sdtr %d wdtr %d ppr %d inq length=%d\n", | |
2293 | hd->ioc->name, device->sdtr, device->wdtr, | |
2294 | device->ppr, device->inquiry_len)); | |
2295 | ||
2296 | if (device->id > sh->max_id) { | |
2297 | /* error case, should never happen */ | |
2298 | scsi_adjust_queue_depth(device, 0, 1); | |
2299 | goto slave_configure_exit; | |
2300 | } | |
2301 | ||
2302 | pTarget = hd->Targets[device->id]; | |
2303 | ||
2304 | if (pTarget == NULL) { | |
2305 | /* Driver doesn't know about this device. | |
2306 | * Kernel may generate a "Dummy Lun 0" which | |
2307 | * may become a real Lun if a | |
2308 | * "scsi add-single-device" command is executed | |
2309 | * while the driver is active (hot-plug a | |
2310 | * device). LSI Raid controllers need | |
2311 | * queue_depth set to DEV_HIGH for this reason. | |
2312 | */ | |
2313 | scsi_adjust_queue_depth(device, MSG_SIMPLE_TAG, | |
2314 | MPT_SCSI_CMD_PER_DEV_HIGH); | |
2315 | goto slave_configure_exit; | |
2316 | } | |
2317 | ||
2318 | mptscsih_initTarget(hd, device->channel, device->id, device->lun, | |
2319 | device->inquiry, device->inquiry_len ); | |
2320 | mptscsih_set_queue_depth(device, hd, pTarget, MPT_SCSI_CMD_PER_DEV_HIGH); | |
2321 | ||
2322 | dsprintk((MYIOC_s_INFO_FMT | |
2323 | "Queue depth=%d, tflags=%x\n", | |
2324 | hd->ioc->name, device->queue_depth, pTarget->tflags)); | |
2325 | ||
2326 | dsprintk((MYIOC_s_INFO_FMT | |
2327 | "negoFlags=%x, maxOffset=%x, SyncFactor=%x\n", | |
2328 | hd->ioc->name, pTarget->negoFlags, pTarget->maxOffset, pTarget->minSyncFactor)); | |
2329 | ||
2330 | slave_configure_exit: | |
2331 | ||
2332 | dsprintk((MYIOC_s_INFO_FMT | |
2333 | "tagged %d, simple %d, ordered %d\n", | |
2334 | hd->ioc->name,device->tagged_supported, device->simple_tags, | |
2335 | device->ordered_tags)); | |
2336 | ||
2337 | return 0; | |
2338 | } | |
2339 | ||
0d0c7974 | 2340 | ssize_t |
1da177e4 LT |
2341 | mptscsih_store_queue_depth(struct device *dev, const char *buf, size_t count) |
2342 | { | |
2343 | int depth; | |
2344 | struct scsi_device *sdev = to_scsi_device(dev); | |
2345 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) sdev->host->hostdata; | |
2346 | VirtDevice *pTarget; | |
2347 | ||
2348 | depth = simple_strtoul(buf, NULL, 0); | |
2349 | if (depth == 0) | |
2350 | return -EINVAL; | |
2351 | pTarget = hd->Targets[sdev->id]; | |
2352 | if (pTarget == NULL) | |
2353 | return -EINVAL; | |
2354 | mptscsih_set_queue_depth(sdev, (MPT_SCSI_HOST *) sdev->host->hostdata, | |
2355 | pTarget, depth); | |
2356 | return count; | |
2357 | } | |
2358 | ||
2359 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2360 | /* | |
2361 | * Private routines... | |
2362 | */ | |
2363 | ||
2364 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2365 | /* Utility function to copy sense data from the scsi_cmnd buffer | |
2366 | * to the FC and SCSI target structures. | |
2367 | * | |
2368 | */ | |
2369 | static void | |
0d0c7974 | 2370 | mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR *mf, SCSIIOReply_t *pScsiReply) |
1da177e4 LT |
2371 | { |
2372 | VirtDevice *target; | |
2373 | SCSIIORequest_t *pReq; | |
2374 | u32 sense_count = le32_to_cpu(pScsiReply->SenseCount); | |
2375 | int index; | |
2376 | ||
2377 | /* Get target structure | |
2378 | */ | |
2379 | pReq = (SCSIIORequest_t *) mf; | |
2380 | index = (int) pReq->TargetID; | |
2381 | target = hd->Targets[index]; | |
2382 | ||
2383 | if (sense_count) { | |
2384 | u8 *sense_data; | |
2385 | int req_index; | |
2386 | ||
2387 | /* Copy the sense received into the scsi command block. */ | |
2388 | req_index = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
2389 | sense_data = ((u8 *)hd->ioc->sense_buf_pool + (req_index * MPT_SENSE_BUFFER_ALLOC)); | |
2390 | memcpy(sc->sense_buffer, sense_data, SNS_LEN(sc)); | |
2391 | ||
2392 | /* Log SMART data (asc = 0x5D, non-IM case only) if required. | |
2393 | */ | |
2394 | if ((hd->ioc->events) && (hd->ioc->eventTypes & (1 << MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE))) { | |
2395 | if ((sense_data[12] == 0x5D) && (target->raidVolume == 0)) { | |
2396 | int idx; | |
2397 | MPT_ADAPTER *ioc = hd->ioc; | |
2398 | ||
2399 | idx = ioc->eventContext % ioc->eventLogSize; | |
2400 | ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE; | |
2401 | ioc->events[idx].eventContext = ioc->eventContext; | |
2402 | ||
2403 | ioc->events[idx].data[0] = (pReq->LUN[1] << 24) || | |
2404 | (MPI_EVENT_SCSI_DEV_STAT_RC_SMART_DATA << 16) || | |
2405 | (pReq->Bus << 8) || pReq->TargetID; | |
2406 | ||
2407 | ioc->events[idx].data[1] = (sense_data[13] << 8) || sense_data[12]; | |
2408 | ||
2409 | ioc->eventContext++; | |
2410 | } | |
2411 | } | |
2412 | } else { | |
2413 | dprintk((MYIOC_s_INFO_FMT "Hmmm... SenseData len=0! (?)\n", | |
2414 | hd->ioc->name)); | |
2415 | } | |
2416 | } | |
2417 | ||
2418 | static u32 | |
2419 | SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc) | |
2420 | { | |
2421 | MPT_SCSI_HOST *hd; | |
2422 | int i; | |
2423 | ||
2424 | hd = (MPT_SCSI_HOST *) sc->device->host->hostdata; | |
2425 | ||
2426 | for (i = 0; i < hd->ioc->req_depth; i++) { | |
2427 | if (hd->ScsiLookup[i] == sc) { | |
2428 | return i; | |
2429 | } | |
2430 | } | |
2431 | ||
2432 | return -1; | |
2433 | } | |
2434 | ||
2435 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
0d0c7974 | 2436 | int |
1da177e4 LT |
2437 | mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase) |
2438 | { | |
2439 | MPT_SCSI_HOST *hd; | |
2440 | unsigned long flags; | |
2441 | ||
2442 | dtmprintk((KERN_WARNING MYNAM | |
2443 | ": IOC %s_reset routed to SCSI host driver!\n", | |
2444 | reset_phase==MPT_IOC_SETUP_RESET ? "setup" : ( | |
2445 | reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post"))); | |
2446 | ||
2447 | /* If a FW reload request arrives after base installed but | |
2448 | * before all scsi hosts have been attached, then an alt_ioc | |
2449 | * may have a NULL sh pointer. | |
2450 | */ | |
2451 | if ((ioc->sh == NULL) || (ioc->sh->hostdata == NULL)) | |
2452 | return 0; | |
2453 | else | |
2454 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
2455 | ||
2456 | if (reset_phase == MPT_IOC_SETUP_RESET) { | |
2457 | dtmprintk((MYIOC_s_WARN_FMT "Setup-Diag Reset\n", ioc->name)); | |
2458 | ||
2459 | /* Clean Up: | |
2460 | * 1. Set Hard Reset Pending Flag | |
2461 | * All new commands go to doneQ | |
2462 | */ | |
2463 | hd->resetPending = 1; | |
2464 | ||
2465 | } else if (reset_phase == MPT_IOC_PRE_RESET) { | |
2466 | dtmprintk((MYIOC_s_WARN_FMT "Pre-Diag Reset\n", ioc->name)); | |
2467 | ||
2468 | /* 2. Flush running commands | |
2469 | * Clean ScsiLookup (and associated memory) | |
2470 | * AND clean mytaskQ | |
2471 | */ | |
2472 | ||
2473 | /* 2b. Reply to OS all known outstanding I/O commands. | |
2474 | */ | |
2475 | mptscsih_flush_running_cmds(hd); | |
2476 | ||
2477 | /* 2c. If there was an internal command that | |
2478 | * has not completed, configuration or io request, | |
2479 | * free these resources. | |
2480 | */ | |
2481 | if (hd->cmdPtr) { | |
2482 | del_timer(&hd->timer); | |
2483 | mpt_free_msg_frame(ioc, hd->cmdPtr); | |
2484 | } | |
2485 | ||
2486 | dtmprintk((MYIOC_s_WARN_FMT "Pre-Reset complete.\n", ioc->name)); | |
2487 | ||
2488 | } else { | |
2489 | dtmprintk((MYIOC_s_WARN_FMT "Post-Diag Reset\n", ioc->name)); | |
2490 | ||
2491 | /* Once a FW reload begins, all new OS commands are | |
2492 | * redirected to the doneQ w/ a reset status. | |
2493 | * Init all control structures. | |
2494 | */ | |
2495 | ||
2496 | /* ScsiLookup initialization | |
2497 | */ | |
2498 | { | |
2499 | int ii; | |
2500 | for (ii=0; ii < hd->ioc->req_depth; ii++) | |
2501 | hd->ScsiLookup[ii] = NULL; | |
2502 | } | |
2503 | ||
2504 | /* 2. Chain Buffer initialization | |
2505 | */ | |
2506 | ||
2507 | /* 4. Renegotiate to all devices, if SCSI | |
2508 | */ | |
2509 | if (ioc->bus_type == SCSI) { | |
2510 | dnegoprintk(("writeSDP1: ALL_IDS USE_NVRAM\n")); | |
2511 | mptscsih_writeSDP1(hd, 0, 0, MPT_SCSICFG_ALL_IDS | MPT_SCSICFG_USE_NVRAM); | |
2512 | } | |
2513 | ||
2514 | /* 5. Enable new commands to be posted | |
2515 | */ | |
2516 | spin_lock_irqsave(&ioc->FreeQlock, flags); | |
2517 | hd->tmPending = 0; | |
2518 | spin_unlock_irqrestore(&ioc->FreeQlock, flags); | |
2519 | hd->resetPending = 0; | |
2520 | hd->tmState = TM_STATE_NONE; | |
2521 | ||
2522 | /* 6. If there was an internal command, | |
2523 | * wake this process up. | |
2524 | */ | |
2525 | if (hd->cmdPtr) { | |
2526 | /* | |
2527 | * Wake up the original calling thread | |
2528 | */ | |
2529 | hd->pLocal = &hd->localReply; | |
2530 | hd->pLocal->completion = MPT_SCANDV_DID_RESET; | |
0d0c7974 MED |
2531 | hd->scandv_wait_done = 1; |
2532 | wake_up(&hd->scandv_waitq); | |
1da177e4 LT |
2533 | hd->cmdPtr = NULL; |
2534 | } | |
2535 | ||
2536 | /* 7. Set flag to force DV and re-read IOC Page 3 | |
2537 | */ | |
2538 | if (ioc->bus_type == SCSI) { | |
2539 | ioc->spi_data.forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3; | |
2540 | ddvtprintk(("Set reload IOC Pg3 Flag\n")); | |
2541 | } | |
2542 | ||
2543 | dtmprintk((MYIOC_s_WARN_FMT "Post-Reset complete.\n", ioc->name)); | |
2544 | ||
2545 | } | |
2546 | ||
2547 | return 1; /* currently means nothing really */ | |
2548 | } | |
2549 | ||
2550 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
0d0c7974 | 2551 | int |
1da177e4 LT |
2552 | mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply) |
2553 | { | |
2554 | MPT_SCSI_HOST *hd; | |
2555 | u8 event = le32_to_cpu(pEvReply->Event) & 0xFF; | |
2556 | ||
2557 | devtprintk((MYIOC_s_INFO_FMT "MPT event (=%02Xh) routed to SCSI host driver!\n", | |
2558 | ioc->name, event)); | |
2559 | ||
2560 | switch (event) { | |
2561 | case MPI_EVENT_UNIT_ATTENTION: /* 03 */ | |
2562 | /* FIXME! */ | |
2563 | break; | |
2564 | case MPI_EVENT_IOC_BUS_RESET: /* 04 */ | |
2565 | case MPI_EVENT_EXT_BUS_RESET: /* 05 */ | |
2566 | hd = NULL; | |
2567 | if (ioc->sh) { | |
2568 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
2569 | if (hd && (ioc->bus_type == SCSI) && (hd->soft_resets < -1)) | |
2570 | hd->soft_resets++; | |
2571 | } | |
2572 | break; | |
2573 | case MPI_EVENT_LOGOUT: /* 09 */ | |
2574 | /* FIXME! */ | |
2575 | break; | |
2576 | ||
2577 | /* | |
2578 | * CHECKME! Don't think we need to do | |
2579 | * anything for these, but... | |
2580 | */ | |
2581 | case MPI_EVENT_RESCAN: /* 06 */ | |
2582 | case MPI_EVENT_LINK_STATUS_CHANGE: /* 07 */ | |
2583 | case MPI_EVENT_LOOP_STATE_CHANGE: /* 08 */ | |
2584 | /* | |
2585 | * CHECKME! Falling thru... | |
2586 | */ | |
2587 | break; | |
2588 | ||
2589 | case MPI_EVENT_INTEGRATED_RAID: /* 0B */ | |
2590 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
2591 | /* negoNvram set to 0 if DV enabled and to USE_NVRAM if | |
2592 | * if DV disabled. Need to check for target mode. | |
2593 | */ | |
2594 | hd = NULL; | |
2595 | if (ioc->sh) | |
2596 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
2597 | ||
2598 | if (hd && (ioc->bus_type == SCSI) && (hd->negoNvram == 0)) { | |
2599 | ScsiCfgData *pSpi; | |
2600 | Ioc3PhysDisk_t *pPDisk; | |
2601 | int numPDisk; | |
2602 | u8 reason; | |
2603 | u8 physDiskNum; | |
2604 | ||
2605 | reason = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16; | |
2606 | if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) { | |
2607 | /* New or replaced disk. | |
2608 | * Set DV flag and schedule DV. | |
2609 | */ | |
2610 | pSpi = &ioc->spi_data; | |
2611 | physDiskNum = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24; | |
2612 | ddvtprintk(("DV requested for phys disk id %d\n", physDiskNum)); | |
2613 | if (pSpi->pIocPg3) { | |
2614 | pPDisk = pSpi->pIocPg3->PhysDisk; | |
2615 | numPDisk =pSpi->pIocPg3->NumPhysDisks; | |
2616 | ||
2617 | while (numPDisk) { | |
2618 | if (physDiskNum == pPDisk->PhysDiskNum) { | |
2619 | pSpi->dvStatus[pPDisk->PhysDiskID] = (MPT_SCSICFG_NEED_DV | MPT_SCSICFG_DV_NOT_DONE); | |
2620 | pSpi->forceDv = MPT_SCSICFG_NEED_DV; | |
2621 | ddvtprintk(("NEED_DV set for phys disk id %d\n", pPDisk->PhysDiskID)); | |
2622 | break; | |
2623 | } | |
2624 | pPDisk++; | |
2625 | numPDisk--; | |
2626 | } | |
2627 | ||
2628 | if (numPDisk == 0) { | |
2629 | /* The physical disk that needs DV was not found | |
2630 | * in the stored IOC Page 3. The driver must reload | |
2631 | * this page. DV routine will set the NEED_DV flag for | |
2632 | * all phys disks that have DV_NOT_DONE set. | |
2633 | */ | |
2634 | pSpi->forceDv = MPT_SCSICFG_NEED_DV | MPT_SCSICFG_RELOAD_IOC_PG3; | |
2635 | ddvtprintk(("phys disk %d not found. Setting reload IOC Pg3 Flag\n", physDiskNum)); | |
2636 | } | |
2637 | } | |
2638 | } | |
2639 | } | |
2640 | #endif | |
2641 | ||
2642 | #if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY) | |
2643 | printk("Raid Event RF: "); | |
2644 | { | |
2645 | u32 *m = (u32 *)pEvReply; | |
2646 | int ii; | |
2647 | int n = (int)pEvReply->MsgLength; | |
2648 | for (ii=6; ii < n; ii++) | |
2649 | printk(" %08x", le32_to_cpu(m[ii])); | |
2650 | printk("\n"); | |
2651 | } | |
2652 | #endif | |
2653 | break; | |
2654 | ||
2655 | case MPI_EVENT_NONE: /* 00 */ | |
2656 | case MPI_EVENT_LOG_DATA: /* 01 */ | |
2657 | case MPI_EVENT_STATE_CHANGE: /* 02 */ | |
2658 | case MPI_EVENT_EVENT_CHANGE: /* 0A */ | |
2659 | default: | |
2660 | dprintk((KERN_INFO " Ignoring event (=%02Xh)\n", event)); | |
2661 | break; | |
2662 | } | |
2663 | ||
2664 | return 1; /* currently means nothing really */ | |
2665 | } | |
2666 | ||
1da177e4 LT |
2667 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |
2668 | /* | |
2669 | * mptscsih_initTarget - Target, LUN alloc/free functionality. | |
2670 | * @hd: Pointer to MPT_SCSI_HOST structure | |
2671 | * @bus_id: Bus number (?) | |
2672 | * @target_id: SCSI target id | |
2673 | * @lun: SCSI LUN id | |
2674 | * @data: Pointer to data | |
2675 | * @dlen: Number of INQUIRY bytes | |
2676 | * | |
2677 | * NOTE: It's only SAFE to call this routine if data points to | |
2678 | * sane & valid STANDARD INQUIRY data! | |
2679 | * | |
2680 | * Allocate and initialize memory for this target. | |
2681 | * Save inquiry data. | |
2682 | * | |
2683 | */ | |
2684 | static void | |
2685 | mptscsih_initTarget(MPT_SCSI_HOST *hd, int bus_id, int target_id, u8 lun, char *data, int dlen) | |
2686 | { | |
2687 | int indexed_lun, lun_index; | |
2688 | VirtDevice *vdev; | |
2689 | ScsiCfgData *pSpi; | |
2690 | char data_56; | |
2691 | ||
2692 | dinitprintk((MYIOC_s_INFO_FMT "initTarget bus=%d id=%d lun=%d hd=%p\n", | |
2693 | hd->ioc->name, bus_id, target_id, lun, hd)); | |
2694 | ||
2695 | /* | |
2696 | * If the peripheral qualifier filter is enabled then if the target reports a 0x1 | |
2697 | * (i.e. The targer is capable of supporting the specified peripheral device type | |
2698 | * on this logical unit; however, the physical device is not currently connected | |
2699 | * to this logical unit) it will be converted to a 0x3 (i.e. The target is not | |
2700 | * capable of supporting a physical device on this logical unit). This is to work | |
2701 | * around a bug in th emid-layer in some distributions in which the mid-layer will | |
2702 | * continue to try to communicate to the LUN and evntually create a dummy LUN. | |
2703 | */ | |
0d0c7974 | 2704 | if (hd->mpt_pq_filter && dlen && (data[0] & 0xE0)) |
1da177e4 | 2705 | data[0] |= 0x40; |
0d0c7974 | 2706 | |
1da177e4 LT |
2707 | /* Is LUN supported? If so, upper 2 bits will be 0 |
2708 | * in first byte of inquiry data. | |
2709 | */ | |
2710 | if (data[0] & 0xe0) | |
2711 | return; | |
2712 | ||
2713 | if ((vdev = hd->Targets[target_id]) == NULL) { | |
2714 | return; | |
2715 | } | |
2716 | ||
2717 | lun_index = (lun >> 5); /* 32 luns per lun_index */ | |
2718 | indexed_lun = (lun % 32); | |
2719 | vdev->luns[lun_index] |= (1 << indexed_lun); | |
2720 | ||
2721 | if (hd->ioc->bus_type == SCSI) { | |
2722 | if ((data[0] == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) { | |
2723 | /* Treat all Processors as SAF-TE if | |
2724 | * command line option is set */ | |
2725 | vdev->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; | |
2726 | mptscsih_writeIOCPage4(hd, target_id, bus_id); | |
2727 | }else if ((data[0] == TYPE_PROCESSOR) && | |
2728 | !(vdev->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) { | |
2729 | if ( dlen > 49 ) { | |
2730 | vdev->tflags |= MPT_TARGET_FLAGS_VALID_INQUIRY; | |
2731 | if ( data[44] == 'S' && | |
2732 | data[45] == 'A' && | |
2733 | data[46] == 'F' && | |
2734 | data[47] == '-' && | |
2735 | data[48] == 'T' && | |
2736 | data[49] == 'E' ) { | |
2737 | vdev->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED; | |
2738 | mptscsih_writeIOCPage4(hd, target_id, bus_id); | |
2739 | } | |
2740 | } | |
2741 | } | |
2742 | if (!(vdev->tflags & MPT_TARGET_FLAGS_VALID_INQUIRY)) { | |
2743 | if ( dlen > 8 ) { | |
2744 | memcpy (vdev->inq_data, data, 8); | |
2745 | } else { | |
2746 | memcpy (vdev->inq_data, data, dlen); | |
2747 | } | |
2748 | ||
2749 | /* If have not done DV, set the DV flag. | |
2750 | */ | |
2751 | pSpi = &hd->ioc->spi_data; | |
2752 | if ((data[0] == TYPE_TAPE) || (data[0] == TYPE_PROCESSOR)) { | |
2753 | if (pSpi->dvStatus[target_id] & MPT_SCSICFG_DV_NOT_DONE) | |
2754 | pSpi->dvStatus[target_id] |= MPT_SCSICFG_NEED_DV; | |
2755 | } | |
2756 | ||
2757 | vdev->tflags |= MPT_TARGET_FLAGS_VALID_INQUIRY; | |
2758 | ||
2759 | ||
2760 | data_56 = 0x0F; /* Default to full capabilities if Inq data length is < 57 */ | |
2761 | if (dlen > 56) { | |
2762 | if ( (!(vdev->tflags & MPT_TARGET_FLAGS_VALID_56))) { | |
2763 | /* Update the target capabilities | |
2764 | */ | |
2765 | data_56 = data[56]; | |
2766 | vdev->tflags |= MPT_TARGET_FLAGS_VALID_56; | |
2767 | } | |
2768 | } | |
2769 | mptscsih_setTargetNegoParms(hd, vdev, data_56); | |
2770 | } else { | |
2771 | /* Initial Inquiry may not request enough data bytes to | |
2772 | * obtain byte 57. DV will; if target doesn't return | |
2773 | * at least 57 bytes, data[56] will be zero. */ | |
2774 | if (dlen > 56) { | |
2775 | if ( (!(vdev->tflags & MPT_TARGET_FLAGS_VALID_56))) { | |
2776 | /* Update the target capabilities | |
2777 | */ | |
2778 | data_56 = data[56]; | |
2779 | vdev->tflags |= MPT_TARGET_FLAGS_VALID_56; | |
2780 | mptscsih_setTargetNegoParms(hd, vdev, data_56); | |
2781 | } | |
2782 | } | |
2783 | } | |
2784 | } | |
2785 | } | |
2786 | ||
2787 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2788 | /* | |
2789 | * Update the target negotiation parameters based on the | |
2790 | * the Inquiry data, adapter capabilities, and NVRAM settings. | |
2791 | * | |
2792 | */ | |
2793 | static void | |
2794 | mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtDevice *target, char byte56) | |
2795 | { | |
2796 | ScsiCfgData *pspi_data = &hd->ioc->spi_data; | |
2797 | int id = (int) target->target_id; | |
2798 | int nvram; | |
2799 | VirtDevice *vdev; | |
2800 | int ii; | |
2801 | u8 width = MPT_NARROW; | |
2802 | u8 factor = MPT_ASYNC; | |
2803 | u8 offset = 0; | |
2804 | u8 version, nfactor; | |
2805 | u8 noQas = 1; | |
2806 | ||
2807 | target->negoFlags = pspi_data->noQas; | |
2808 | ||
2809 | /* noQas == 0 => device supports QAS. Need byte 56 of Inq to determine | |
2810 | * support. If available, default QAS to off and allow enabling. | |
2811 | * If not available, default QAS to on, turn off for non-disks. | |
2812 | */ | |
2813 | ||
2814 | /* Set flags based on Inquiry data | |
2815 | */ | |
2816 | version = target->inq_data[2] & 0x07; | |
2817 | if (version < 2) { | |
2818 | width = 0; | |
2819 | factor = MPT_ULTRA2; | |
2820 | offset = pspi_data->maxSyncOffset; | |
2821 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; | |
2822 | } else { | |
2823 | if (target->inq_data[7] & 0x20) { | |
2824 | width = 1; | |
2825 | } | |
2826 | ||
2827 | if (target->inq_data[7] & 0x10) { | |
2828 | factor = pspi_data->minSyncFactor; | |
2829 | if (target->tflags & MPT_TARGET_FLAGS_VALID_56) { | |
2830 | /* bits 2 & 3 show Clocking support */ | |
2831 | if ((byte56 & 0x0C) == 0) | |
2832 | factor = MPT_ULTRA2; | |
2833 | else { | |
2834 | if ((byte56 & 0x03) == 0) | |
2835 | factor = MPT_ULTRA160; | |
2836 | else { | |
2837 | factor = MPT_ULTRA320; | |
2838 | if (byte56 & 0x02) | |
2839 | { | |
2840 | ddvtprintk((KERN_INFO "Enabling QAS due to byte56=%02x on id=%d!\n", byte56, id)); | |
2841 | noQas = 0; | |
2842 | } | |
2843 | if (target->inq_data[0] == TYPE_TAPE) { | |
2844 | if (byte56 & 0x01) | |
2845 | target->negoFlags |= MPT_TAPE_NEGO_IDP; | |
2846 | } | |
2847 | } | |
2848 | } | |
2849 | } else { | |
2850 | ddvtprintk((KERN_INFO "Enabling QAS on id=%d due to ~TARGET_FLAGS_VALID_56!\n", id)); | |
2851 | noQas = 0; | |
2852 | } | |
0d0c7974 | 2853 | |
1da177e4 LT |
2854 | offset = pspi_data->maxSyncOffset; |
2855 | ||
2856 | /* If RAID, never disable QAS | |
2857 | * else if non RAID, do not disable | |
2858 | * QAS if bit 1 is set | |
2859 | * bit 1 QAS support, non-raid only | |
2860 | * bit 0 IU support | |
2861 | */ | |
2862 | if (target->raidVolume == 1) { | |
2863 | noQas = 0; | |
2864 | } | |
2865 | } else { | |
2866 | factor = MPT_ASYNC; | |
2867 | offset = 0; | |
2868 | } | |
2869 | } | |
2870 | ||
2871 | if ( (target->inq_data[7] & 0x02) == 0) { | |
2872 | target->tflags &= ~MPT_TARGET_FLAGS_Q_YES; | |
2873 | } | |
2874 | ||
2875 | /* Update tflags based on NVRAM settings. (SCSI only) | |
2876 | */ | |
2877 | if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { | |
2878 | nvram = pspi_data->nvram[id]; | |
2879 | nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; | |
2880 | ||
2881 | if (width) | |
2882 | width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; | |
2883 | ||
2884 | if (offset > 0) { | |
2885 | /* Ensure factor is set to the | |
2886 | * maximum of: adapter, nvram, inquiry | |
2887 | */ | |
2888 | if (nfactor) { | |
2889 | if (nfactor < pspi_data->minSyncFactor ) | |
2890 | nfactor = pspi_data->minSyncFactor; | |
2891 | ||
2892 | factor = max(factor, nfactor); | |
2893 | if (factor == MPT_ASYNC) | |
2894 | offset = 0; | |
2895 | } else { | |
2896 | offset = 0; | |
2897 | factor = MPT_ASYNC; | |
2898 | } | |
2899 | } else { | |
2900 | factor = MPT_ASYNC; | |
2901 | } | |
2902 | } | |
2903 | ||
2904 | /* Make sure data is consistent | |
2905 | */ | |
2906 | if ((!width) && (factor < MPT_ULTRA2)) { | |
2907 | factor = MPT_ULTRA2; | |
2908 | } | |
2909 | ||
2910 | /* Save the data to the target structure. | |
2911 | */ | |
2912 | target->minSyncFactor = factor; | |
2913 | target->maxOffset = offset; | |
2914 | target->maxWidth = width; | |
2915 | ||
2916 | target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO; | |
2917 | ||
2918 | /* Disable unused features. | |
2919 | */ | |
2920 | if (!width) | |
2921 | target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE; | |
2922 | ||
2923 | if (!offset) | |
2924 | target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC; | |
2925 | ||
2926 | if ( factor > MPT_ULTRA320 ) | |
2927 | noQas = 0; | |
2928 | ||
2929 | /* GEM, processor WORKAROUND | |
2930 | */ | |
2931 | if ((target->inq_data[0] == TYPE_PROCESSOR) || (target->inq_data[0] > 0x08)) { | |
2932 | target->negoFlags |= (MPT_TARGET_NO_NEGO_WIDE | MPT_TARGET_NO_NEGO_SYNC); | |
2933 | pspi_data->dvStatus[id] |= MPT_SCSICFG_BLK_NEGO; | |
2934 | } else { | |
2935 | if (noQas && (pspi_data->noQas == 0)) { | |
2936 | pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS; | |
2937 | target->negoFlags |= MPT_TARGET_NO_NEGO_QAS; | |
2938 | ||
2939 | /* Disable QAS in a mixed configuration case | |
2940 | */ | |
2941 | ||
2942 | ddvtprintk((KERN_INFO "Disabling QAS due to noQas=%02x on id=%d!\n", noQas, id)); | |
2943 | for (ii = 0; ii < id; ii++) { | |
2944 | if ( (vdev = hd->Targets[ii]) ) { | |
2945 | vdev->negoFlags |= MPT_TARGET_NO_NEGO_QAS; | |
2946 | mptscsih_writeSDP1(hd, 0, ii, vdev->negoFlags); | |
0d0c7974 | 2947 | } |
1da177e4 LT |
2948 | } |
2949 | } | |
2950 | } | |
2951 | ||
2952 | /* Write SDP1 on this I/O to this target */ | |
2953 | if (pspi_data->dvStatus[id] & MPT_SCSICFG_NEGOTIATE) { | |
2954 | ddvtprintk((KERN_INFO "MPT_SCSICFG_NEGOTIATE on id=%d!\n", id)); | |
2955 | mptscsih_writeSDP1(hd, 0, id, hd->negoNvram); | |
2956 | pspi_data->dvStatus[id] &= ~MPT_SCSICFG_NEGOTIATE; | |
2957 | } else if (pspi_data->dvStatus[id] & MPT_SCSICFG_BLK_NEGO) { | |
2958 | ddvtprintk((KERN_INFO "MPT_SCSICFG_BLK_NEGO on id=%d!\n", id)); | |
2959 | mptscsih_writeSDP1(hd, 0, id, MPT_SCSICFG_BLK_NEGO); | |
2960 | pspi_data->dvStatus[id] &= ~MPT_SCSICFG_BLK_NEGO; | |
2961 | } | |
2962 | } | |
2963 | ||
2964 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
2965 | /* If DV disabled (negoNvram set to USE_NVARM) or if not LUN 0, return. | |
2966 | * Else set the NEED_DV flag after Read Capacity Issued (disks) | |
2967 | * or Mode Sense (cdroms). | |
2968 | * | |
2969 | * Tapes, initTarget will set this flag on completion of Inquiry command. | |
2970 | * Called only if DV_NOT_DONE flag is set | |
2971 | */ | |
0d0c7974 MED |
2972 | static void |
2973 | mptscsih_set_dvflags(MPT_SCSI_HOST *hd, SCSIIORequest_t *pReq) | |
1da177e4 LT |
2974 | { |
2975 | u8 cmd; | |
2976 | ScsiCfgData *pSpi; | |
2977 | ||
2978 | ddvtprintk((" set_dvflags: id=%d lun=%d negoNvram=%x cmd=%x\n", | |
2979 | pReq->TargetID, pReq->LUN[1], hd->negoNvram, pReq->CDB[0])); | |
0d0c7974 | 2980 | |
1da177e4 LT |
2981 | if ((pReq->LUN[1] != 0) || (hd->negoNvram != 0)) |
2982 | return; | |
2983 | ||
2984 | cmd = pReq->CDB[0]; | |
2985 | ||
2986 | if ((cmd == READ_CAPACITY) || (cmd == MODE_SENSE)) { | |
2987 | pSpi = &hd->ioc->spi_data; | |
2988 | if ((pSpi->isRaid & (1 << pReq->TargetID)) && pSpi->pIocPg3) { | |
2989 | /* Set NEED_DV for all hidden disks | |
2990 | */ | |
2991 | Ioc3PhysDisk_t *pPDisk = pSpi->pIocPg3->PhysDisk; | |
2992 | int numPDisk = pSpi->pIocPg3->NumPhysDisks; | |
2993 | ||
2994 | while (numPDisk) { | |
2995 | pSpi->dvStatus[pPDisk->PhysDiskID] |= MPT_SCSICFG_NEED_DV; | |
2996 | ddvtprintk(("NEED_DV set for phys disk id %d\n", pPDisk->PhysDiskID)); | |
2997 | pPDisk++; | |
2998 | numPDisk--; | |
2999 | } | |
3000 | } | |
3001 | pSpi->dvStatus[pReq->TargetID] |= MPT_SCSICFG_NEED_DV; | |
3002 | ddvtprintk(("NEED_DV set for visible disk id %d\n", pReq->TargetID)); | |
3003 | } | |
3004 | } | |
3005 | ||
3006 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3007 | /* | |
3008 | * If no Target, bus reset on 1st I/O. Set the flag to | |
3009 | * prevent any future negotiations to this device. | |
3010 | */ | |
0d0c7974 MED |
3011 | static void |
3012 | mptscsih_no_negotiate(MPT_SCSI_HOST *hd, int target_id) | |
1da177e4 LT |
3013 | { |
3014 | ||
3015 | if ((hd->Targets) && (hd->Targets[target_id] == NULL)) | |
3016 | hd->ioc->spi_data.dvStatus[target_id] |= MPT_SCSICFG_BLK_NEGO; | |
3017 | ||
3018 | return; | |
3019 | } | |
3020 | ||
3021 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3022 | /* | |
3023 | * SCSI Config Page functionality ... | |
3024 | */ | |
3025 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3026 | /* mptscsih_setDevicePage1Flags - add Requested and Configuration fields flags | |
3027 | * based on width, factor and offset parameters. | |
3028 | * @width: bus width | |
3029 | * @factor: sync factor | |
3030 | * @offset: sync offset | |
3031 | * @requestedPtr: pointer to requested values (updated) | |
3032 | * @configurationPtr: pointer to configuration values (updated) | |
3033 | * @flags: flags to block WDTR or SDTR negotiation | |
3034 | * | |
3035 | * Return: None. | |
3036 | * | |
3037 | * Remark: Called by writeSDP1 and _dv_params | |
3038 | */ | |
3039 | static void | |
3040 | mptscsih_setDevicePage1Flags (u8 width, u8 factor, u8 offset, int *requestedPtr, int *configurationPtr, u8 flags) | |
3041 | { | |
3042 | u8 nowide = flags & MPT_TARGET_NO_NEGO_WIDE; | |
3043 | u8 nosync = flags & MPT_TARGET_NO_NEGO_SYNC; | |
3044 | ||
3045 | *configurationPtr = 0; | |
3046 | *requestedPtr = width ? MPI_SCSIDEVPAGE1_RP_WIDE : 0; | |
3047 | *requestedPtr |= (offset << 16) | (factor << 8); | |
3048 | ||
3049 | if (width && offset && !nowide && !nosync) { | |
3050 | if (factor < MPT_ULTRA160) { | |
3051 | *requestedPtr |= (MPI_SCSIDEVPAGE1_RP_IU + MPI_SCSIDEVPAGE1_RP_DT); | |
3052 | if ((flags & MPT_TARGET_NO_NEGO_QAS) == 0) | |
3053 | *requestedPtr |= MPI_SCSIDEVPAGE1_RP_QAS; | |
3054 | if (flags & MPT_TAPE_NEGO_IDP) | |
3055 | *requestedPtr |= 0x08000000; | |
3056 | } else if (factor < MPT_ULTRA2) { | |
3057 | *requestedPtr |= MPI_SCSIDEVPAGE1_RP_DT; | |
3058 | } | |
3059 | } | |
3060 | ||
3061 | if (nowide) | |
3062 | *configurationPtr |= MPI_SCSIDEVPAGE1_CONF_WDTR_DISALLOWED; | |
3063 | ||
3064 | if (nosync) | |
3065 | *configurationPtr |= MPI_SCSIDEVPAGE1_CONF_SDTR_DISALLOWED; | |
3066 | ||
3067 | return; | |
3068 | } | |
3069 | ||
3070 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3071 | /* mptscsih_writeSDP1 - write SCSI Device Page 1 | |
3072 | * @hd: Pointer to a SCSI Host Strucutre | |
3073 | * @portnum: IOC port number | |
3074 | * @target_id: writeSDP1 for single ID | |
3075 | * @flags: MPT_SCSICFG_ALL_IDS, MPT_SCSICFG_USE_NVRAM, MPT_SCSICFG_BLK_NEGO | |
3076 | * | |
3077 | * Return: -EFAULT if read of config page header fails | |
3078 | * or 0 if success. | |
3079 | * | |
3080 | * Remark: If a target has been found, the settings from the | |
3081 | * target structure are used, else the device is set | |
3082 | * to async/narrow. | |
3083 | * | |
3084 | * Remark: Called during init and after a FW reload. | |
3085 | * Remark: We do not wait for a return, write pages sequentially. | |
3086 | */ | |
3087 | static int | |
3088 | mptscsih_writeSDP1(MPT_SCSI_HOST *hd, int portnum, int target_id, int flags) | |
3089 | { | |
3090 | MPT_ADAPTER *ioc = hd->ioc; | |
3091 | Config_t *pReq; | |
3092 | SCSIDevicePage1_t *pData; | |
3093 | VirtDevice *pTarget; | |
3094 | MPT_FRAME_HDR *mf; | |
3095 | dma_addr_t dataDma; | |
3096 | u16 req_idx; | |
3097 | u32 frameOffset; | |
3098 | u32 requested, configuration, flagsLength; | |
3099 | int ii, nvram; | |
3100 | int id = 0, maxid = 0; | |
3101 | u8 width; | |
3102 | u8 factor; | |
3103 | u8 offset; | |
3104 | u8 bus = 0; | |
3105 | u8 negoFlags; | |
3106 | u8 maxwidth, maxoffset, maxfactor; | |
3107 | ||
3108 | if (ioc->spi_data.sdp1length == 0) | |
3109 | return 0; | |
3110 | ||
3111 | if (flags & MPT_SCSICFG_ALL_IDS) { | |
3112 | id = 0; | |
3113 | maxid = ioc->sh->max_id - 1; | |
3114 | } else if (ioc->sh) { | |
3115 | id = target_id; | |
3116 | maxid = min_t(int, id, ioc->sh->max_id - 1); | |
3117 | } | |
3118 | ||
3119 | for (; id <= maxid; id++) { | |
3120 | ||
3121 | if (id == ioc->pfacts[portnum].PortSCSIID) | |
3122 | continue; | |
3123 | ||
3124 | /* Use NVRAM to get adapter and target maximums | |
3125 | * Data over-riden by target structure information, if present | |
3126 | */ | |
3127 | maxwidth = ioc->spi_data.maxBusWidth; | |
3128 | maxoffset = ioc->spi_data.maxSyncOffset; | |
3129 | maxfactor = ioc->spi_data.minSyncFactor; | |
3130 | if (ioc->spi_data.nvram && (ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) { | |
3131 | nvram = ioc->spi_data.nvram[id]; | |
3132 | ||
3133 | if (maxwidth) | |
3134 | maxwidth = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; | |
3135 | ||
3136 | if (maxoffset > 0) { | |
3137 | maxfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8; | |
3138 | if (maxfactor == 0) { | |
3139 | /* Key for async */ | |
3140 | maxfactor = MPT_ASYNC; | |
3141 | maxoffset = 0; | |
3142 | } else if (maxfactor < ioc->spi_data.minSyncFactor) { | |
3143 | maxfactor = ioc->spi_data.minSyncFactor; | |
3144 | } | |
3145 | } else | |
3146 | maxfactor = MPT_ASYNC; | |
3147 | } | |
3148 | ||
3149 | /* Set the negotiation flags. | |
3150 | */ | |
3151 | negoFlags = ioc->spi_data.noQas; | |
3152 | if (!maxwidth) | |
3153 | negoFlags |= MPT_TARGET_NO_NEGO_WIDE; | |
3154 | ||
3155 | if (!maxoffset) | |
3156 | negoFlags |= MPT_TARGET_NO_NEGO_SYNC; | |
3157 | ||
3158 | if (flags & MPT_SCSICFG_USE_NVRAM) { | |
3159 | width = maxwidth; | |
3160 | factor = maxfactor; | |
3161 | offset = maxoffset; | |
3162 | } else { | |
3163 | width = 0; | |
3164 | factor = MPT_ASYNC; | |
3165 | offset = 0; | |
3166 | //negoFlags = 0; | |
3167 | //negoFlags = MPT_TARGET_NO_NEGO_SYNC; | |
3168 | } | |
3169 | ||
3170 | /* If id is not a raid volume, get the updated | |
3171 | * transmission settings from the target structure. | |
3172 | */ | |
3173 | if (hd->Targets && (pTarget = hd->Targets[id]) && !pTarget->raidVolume) { | |
3174 | width = pTarget->maxWidth; | |
3175 | factor = pTarget->minSyncFactor; | |
3176 | offset = pTarget->maxOffset; | |
3177 | negoFlags = pTarget->negoFlags; | |
3178 | } | |
0d0c7974 | 3179 | |
1da177e4 LT |
3180 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION |
3181 | /* Force to async and narrow if DV has not been executed | |
3182 | * for this ID | |
3183 | */ | |
3184 | if ((hd->ioc->spi_data.dvStatus[id] & MPT_SCSICFG_DV_NOT_DONE) != 0) { | |
3185 | width = 0; | |
3186 | factor = MPT_ASYNC; | |
3187 | offset = 0; | |
3188 | } | |
3189 | #endif | |
3190 | ||
3191 | if (flags & MPT_SCSICFG_BLK_NEGO) | |
3192 | negoFlags = MPT_TARGET_NO_NEGO_WIDE | MPT_TARGET_NO_NEGO_SYNC; | |
3193 | ||
3194 | mptscsih_setDevicePage1Flags(width, factor, offset, | |
3195 | &requested, &configuration, negoFlags); | |
3196 | dnegoprintk(("writeSDP1: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n", | |
3197 | target_id, width, factor, offset, negoFlags, requested, configuration)); | |
3198 | ||
3199 | /* Get a MF for this command. | |
3200 | */ | |
0d0c7974 | 3201 | if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { |
1da177e4 LT |
3202 | dprintk((MYIOC_s_WARN_FMT "write SDP1: no msg frames!\n", |
3203 | ioc->name)); | |
3204 | return -EAGAIN; | |
3205 | } | |
3206 | ||
3207 | ddvprintk((MYIOC_s_INFO_FMT "WriteSDP1 (mf=%p, id=%d, req=0x%x, cfg=0x%x)\n", | |
3208 | hd->ioc->name, mf, id, requested, configuration)); | |
3209 | ||
3210 | ||
3211 | /* Set the request and the data pointers. | |
3212 | * Request takes: 36 bytes (32 bit SGE) | |
3213 | * SCSI Device Page 1 requires 16 bytes | |
3214 | * 40 + 16 <= size of SCSI IO Request = 56 bytes | |
3215 | * and MF size >= 64 bytes. | |
3216 | * Place data at end of MF. | |
3217 | */ | |
3218 | pReq = (Config_t *)mf; | |
3219 | ||
3220 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
3221 | frameOffset = ioc->req_sz - sizeof(SCSIDevicePage1_t); | |
3222 | ||
3223 | pData = (SCSIDevicePage1_t *)((u8 *) mf + frameOffset); | |
3224 | dataDma = ioc->req_frames_dma + (req_idx * ioc->req_sz) + frameOffset; | |
3225 | ||
3226 | /* Complete the request frame (same for all requests). | |
3227 | */ | |
3228 | pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
3229 | pReq->Reserved = 0; | |
3230 | pReq->ChainOffset = 0; | |
3231 | pReq->Function = MPI_FUNCTION_CONFIG; | |
3232 | pReq->ExtPageLength = 0; | |
3233 | pReq->ExtPageType = 0; | |
3234 | pReq->MsgFlags = 0; | |
3235 | for (ii=0; ii < 8; ii++) { | |
3236 | pReq->Reserved2[ii] = 0; | |
3237 | } | |
3238 | pReq->Header.PageVersion = ioc->spi_data.sdp1version; | |
3239 | pReq->Header.PageLength = ioc->spi_data.sdp1length; | |
3240 | pReq->Header.PageNumber = 1; | |
3241 | pReq->Header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
3242 | pReq->PageAddress = cpu_to_le32(id | (bus << 8 )); | |
3243 | ||
3244 | /* Add a SGE to the config request. | |
3245 | */ | |
3246 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | ioc->spi_data.sdp1length * 4; | |
3247 | ||
3248 | mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); | |
3249 | ||
3250 | /* Set up the common data portion | |
3251 | */ | |
3252 | pData->Header.PageVersion = pReq->Header.PageVersion; | |
3253 | pData->Header.PageLength = pReq->Header.PageLength; | |
3254 | pData->Header.PageNumber = pReq->Header.PageNumber; | |
3255 | pData->Header.PageType = pReq->Header.PageType; | |
3256 | pData->RequestedParameters = cpu_to_le32(requested); | |
3257 | pData->Reserved = 0; | |
3258 | pData->Configuration = cpu_to_le32(configuration); | |
3259 | ||
3260 | dprintk((MYIOC_s_INFO_FMT | |
3261 | "write SDP1: id %d pgaddr 0x%x req 0x%x config 0x%x\n", | |
3262 | ioc->name, id, (id | (bus<<8)), | |
3263 | requested, configuration)); | |
3264 | ||
0d0c7974 | 3265 | mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); |
1da177e4 LT |
3266 | } |
3267 | ||
3268 | return 0; | |
3269 | } | |
3270 | ||
3271 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3272 | /* mptscsih_writeIOCPage4 - write IOC Page 4 | |
3273 | * @hd: Pointer to a SCSI Host Structure | |
3274 | * @target_id: write IOC Page4 for this ID & Bus | |
3275 | * | |
3276 | * Return: -EAGAIN if unable to obtain a Message Frame | |
3277 | * or 0 if success. | |
3278 | * | |
3279 | * Remark: We do not wait for a return, write pages sequentially. | |
3280 | */ | |
3281 | static int | |
3282 | mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus) | |
3283 | { | |
3284 | MPT_ADAPTER *ioc = hd->ioc; | |
3285 | Config_t *pReq; | |
3286 | IOCPage4_t *IOCPage4Ptr; | |
3287 | MPT_FRAME_HDR *mf; | |
3288 | dma_addr_t dataDma; | |
3289 | u16 req_idx; | |
3290 | u32 frameOffset; | |
3291 | u32 flagsLength; | |
3292 | int ii; | |
3293 | ||
3294 | /* Get a MF for this command. | |
3295 | */ | |
0d0c7974 | 3296 | if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) { |
1da177e4 LT |
3297 | dprintk((MYIOC_s_WARN_FMT "writeIOCPage4 : no msg frames!\n", |
3298 | ioc->name)); | |
3299 | return -EAGAIN; | |
3300 | } | |
3301 | ||
3302 | /* Set the request and the data pointers. | |
3303 | * Place data at end of MF. | |
3304 | */ | |
3305 | pReq = (Config_t *)mf; | |
3306 | ||
3307 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
3308 | frameOffset = ioc->req_sz - sizeof(IOCPage4_t); | |
3309 | ||
3310 | /* Complete the request frame (same for all requests). | |
3311 | */ | |
3312 | pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
3313 | pReq->Reserved = 0; | |
3314 | pReq->ChainOffset = 0; | |
3315 | pReq->Function = MPI_FUNCTION_CONFIG; | |
3316 | pReq->ExtPageLength = 0; | |
3317 | pReq->ExtPageType = 0; | |
3318 | pReq->MsgFlags = 0; | |
3319 | for (ii=0; ii < 8; ii++) { | |
3320 | pReq->Reserved2[ii] = 0; | |
3321 | } | |
3322 | ||
3323 | IOCPage4Ptr = ioc->spi_data.pIocPg4; | |
3324 | dataDma = ioc->spi_data.IocPg4_dma; | |
3325 | ii = IOCPage4Ptr->ActiveSEP++; | |
3326 | IOCPage4Ptr->SEP[ii].SEPTargetID = target_id; | |
3327 | IOCPage4Ptr->SEP[ii].SEPBus = bus; | |
3328 | pReq->Header = IOCPage4Ptr->Header; | |
3329 | pReq->PageAddress = cpu_to_le32(target_id | (bus << 8 )); | |
3330 | ||
3331 | /* Add a SGE to the config request. | |
3332 | */ | |
3333 | flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE | | |
3334 | (IOCPage4Ptr->Header.PageLength + ii) * 4; | |
3335 | ||
3336 | mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma); | |
3337 | ||
3338 | dinitprintk((MYIOC_s_INFO_FMT | |
3339 | "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n", | |
3340 | ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, target_id, bus)); | |
3341 | ||
0d0c7974 | 3342 | mpt_put_msg_frame(ioc->DoneCtx, ioc, mf); |
1da177e4 LT |
3343 | |
3344 | return 0; | |
3345 | } | |
3346 | ||
3347 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3348 | /* | |
3349 | * Bus Scan and Domain Validation functionality ... | |
3350 | */ | |
3351 | ||
3352 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3353 | /* | |
3354 | * mptscsih_scandv_complete - Scan and DV callback routine registered | |
3355 | * to Fustion MPT (base) driver. | |
3356 | * | |
3357 | * @ioc: Pointer to MPT_ADAPTER structure | |
3358 | * @mf: Pointer to original MPT request frame | |
3359 | * @mr: Pointer to MPT reply frame (NULL if TurboReply) | |
3360 | * | |
3361 | * This routine is called from mpt.c::mpt_interrupt() at the completion | |
3362 | * of any SCSI IO request. | |
3363 | * This routine is registered with the Fusion MPT (base) driver at driver | |
3364 | * load/init time via the mpt_register() API call. | |
3365 | * | |
3366 | * Returns 1 indicating alloc'd request frame ptr should be freed. | |
3367 | * | |
3368 | * Remark: Sets a completion code and (possibly) saves sense data | |
3369 | * in the IOC member localReply structure. | |
3370 | * Used ONLY for DV and other internal commands. | |
3371 | */ | |
0d0c7974 | 3372 | int |
1da177e4 LT |
3373 | mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr) |
3374 | { | |
3375 | MPT_SCSI_HOST *hd; | |
3376 | SCSIIORequest_t *pReq; | |
3377 | int completionCode; | |
3378 | u16 req_idx; | |
3379 | ||
0d0c7974 MED |
3380 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; |
3381 | ||
1da177e4 LT |
3382 | if ((mf == NULL) || |
3383 | (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) { | |
3384 | printk(MYIOC_s_ERR_FMT | |
3385 | "ScanDvComplete, %s req frame ptr! (=%p)\n", | |
3386 | ioc->name, mf?"BAD":"NULL", (void *) mf); | |
3387 | goto wakeup; | |
3388 | } | |
3389 | ||
1da177e4 LT |
3390 | del_timer(&hd->timer); |
3391 | req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
3392 | hd->ScsiLookup[req_idx] = NULL; | |
3393 | pReq = (SCSIIORequest_t *) mf; | |
3394 | ||
3395 | if (mf != hd->cmdPtr) { | |
3396 | printk(MYIOC_s_WARN_FMT "ScanDvComplete (mf=%p, cmdPtr=%p, idx=%d)\n", | |
3397 | hd->ioc->name, (void *)mf, (void *) hd->cmdPtr, req_idx); | |
3398 | } | |
3399 | hd->cmdPtr = NULL; | |
3400 | ||
3401 | ddvprintk((MYIOC_s_INFO_FMT "ScanDvComplete (mf=%p,mr=%p,idx=%d)\n", | |
3402 | hd->ioc->name, mf, mr, req_idx)); | |
3403 | ||
3404 | hd->pLocal = &hd->localReply; | |
3405 | hd->pLocal->scsiStatus = 0; | |
3406 | ||
3407 | /* If target struct exists, clear sense valid flag. | |
3408 | */ | |
3409 | if (mr == NULL) { | |
3410 | completionCode = MPT_SCANDV_GOOD; | |
3411 | } else { | |
3412 | SCSIIOReply_t *pReply; | |
3413 | u16 status; | |
3414 | u8 scsi_status; | |
3415 | ||
3416 | pReply = (SCSIIOReply_t *) mr; | |
3417 | ||
3418 | status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK; | |
3419 | scsi_status = pReply->SCSIStatus; | |
3420 | ||
3421 | ddvtprintk((KERN_NOTICE " IOCStatus=%04xh, SCSIState=%02xh, SCSIStatus=%02xh, IOCLogInfo=%08xh\n", | |
3422 | status, pReply->SCSIState, scsi_status, | |
3423 | le32_to_cpu(pReply->IOCLogInfo))); | |
3424 | ||
3425 | switch(status) { | |
3426 | ||
3427 | case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */ | |
3428 | completionCode = MPT_SCANDV_SELECTION_TIMEOUT; | |
3429 | break; | |
3430 | ||
3431 | case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */ | |
3432 | case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */ | |
3433 | case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */ | |
3434 | case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */ | |
3435 | completionCode = MPT_SCANDV_DID_RESET; | |
3436 | break; | |
3437 | ||
3438 | case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */ | |
3439 | case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */ | |
3440 | case MPI_IOCSTATUS_SUCCESS: /* 0x0000 */ | |
3441 | if (pReply->Function == MPI_FUNCTION_CONFIG) { | |
3442 | ConfigReply_t *pr = (ConfigReply_t *)mr; | |
3443 | completionCode = MPT_SCANDV_GOOD; | |
3444 | hd->pLocal->header.PageVersion = pr->Header.PageVersion; | |
3445 | hd->pLocal->header.PageLength = pr->Header.PageLength; | |
3446 | hd->pLocal->header.PageNumber = pr->Header.PageNumber; | |
3447 | hd->pLocal->header.PageType = pr->Header.PageType; | |
3448 | ||
3449 | } else if (pReply->Function == MPI_FUNCTION_RAID_ACTION) { | |
3450 | /* If the RAID Volume request is successful, | |
3451 | * return GOOD, else indicate that | |
3452 | * some type of error occurred. | |
3453 | */ | |
3454 | MpiRaidActionReply_t *pr = (MpiRaidActionReply_t *)mr; | |
3455 | if (pr->ActionStatus == MPI_RAID_ACTION_ASTATUS_SUCCESS) | |
3456 | completionCode = MPT_SCANDV_GOOD; | |
3457 | else | |
3458 | completionCode = MPT_SCANDV_SOME_ERROR; | |
3459 | ||
3460 | } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_VALID) { | |
3461 | u8 *sense_data; | |
3462 | int sz; | |
3463 | ||
3464 | /* save sense data in global structure | |
3465 | */ | |
3466 | completionCode = MPT_SCANDV_SENSE; | |
3467 | hd->pLocal->scsiStatus = scsi_status; | |
3468 | sense_data = ((u8 *)hd->ioc->sense_buf_pool + | |
3469 | (req_idx * MPT_SENSE_BUFFER_ALLOC)); | |
3470 | ||
3471 | sz = min_t(int, pReq->SenseBufferLength, | |
3472 | SCSI_STD_SENSE_BYTES); | |
3473 | memcpy(hd->pLocal->sense, sense_data, sz); | |
3474 | ||
3475 | ddvprintk((KERN_NOTICE " Check Condition, sense ptr %p\n", | |
3476 | sense_data)); | |
3477 | } else if (pReply->SCSIState & MPI_SCSI_STATE_AUTOSENSE_FAILED) { | |
3478 | if (pReq->CDB[0] == INQUIRY) | |
3479 | completionCode = MPT_SCANDV_ISSUE_SENSE; | |
3480 | else | |
3481 | completionCode = MPT_SCANDV_DID_RESET; | |
3482 | } | |
3483 | else if (pReply->SCSIState & MPI_SCSI_STATE_NO_SCSI_STATUS) | |
3484 | completionCode = MPT_SCANDV_DID_RESET; | |
3485 | else if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) | |
3486 | completionCode = MPT_SCANDV_DID_RESET; | |
3487 | else { | |
3488 | completionCode = MPT_SCANDV_GOOD; | |
3489 | hd->pLocal->scsiStatus = scsi_status; | |
3490 | } | |
3491 | break; | |
3492 | ||
3493 | case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */ | |
3494 | if (pReply->SCSIState & MPI_SCSI_STATE_TERMINATED) | |
3495 | completionCode = MPT_SCANDV_DID_RESET; | |
3496 | else | |
3497 | completionCode = MPT_SCANDV_SOME_ERROR; | |
3498 | break; | |
3499 | ||
3500 | default: | |
3501 | completionCode = MPT_SCANDV_SOME_ERROR; | |
3502 | break; | |
3503 | ||
3504 | } /* switch(status) */ | |
3505 | ||
3506 | ddvtprintk((KERN_NOTICE " completionCode set to %08xh\n", | |
3507 | completionCode)); | |
3508 | } /* end of address reply case */ | |
3509 | ||
3510 | hd->pLocal->completion = completionCode; | |
3511 | ||
3512 | /* MF and RF are freed in mpt_interrupt | |
3513 | */ | |
3514 | wakeup: | |
3515 | /* Free Chain buffers (will never chain) in scan or dv */ | |
3516 | //mptscsih_freeChainBuffers(ioc, req_idx); | |
3517 | ||
3518 | /* | |
3519 | * Wake up the original calling thread | |
3520 | */ | |
0d0c7974 MED |
3521 | hd->scandv_wait_done = 1; |
3522 | wake_up(&hd->scandv_waitq); | |
1da177e4 LT |
3523 | |
3524 | return 1; | |
3525 | } | |
3526 | ||
3527 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3528 | /* mptscsih_timer_expired - Call back for timer process. | |
3529 | * Used only for dv functionality. | |
3530 | * @data: Pointer to MPT_SCSI_HOST recast as an unsigned long | |
3531 | * | |
3532 | */ | |
0d0c7974 MED |
3533 | void |
3534 | mptscsih_timer_expired(unsigned long data) | |
1da177e4 LT |
3535 | { |
3536 | MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) data; | |
3537 | ||
3538 | ddvprintk((MYIOC_s_WARN_FMT "Timer Expired! Cmd %p\n", hd->ioc->name, hd->cmdPtr)); | |
3539 | ||
3540 | if (hd->cmdPtr) { | |
3541 | MPIHeader_t *cmd = (MPIHeader_t *)hd->cmdPtr; | |
3542 | ||
3543 | if (cmd->Function == MPI_FUNCTION_SCSI_IO_REQUEST) { | |
3544 | /* Desire to issue a task management request here. | |
3545 | * TM requests MUST be single threaded. | |
3546 | * If old eh code and no TM current, issue request. | |
3547 | * If new eh code, do nothing. Wait for OS cmd timeout | |
3548 | * for bus reset. | |
3549 | */ | |
3550 | ddvtprintk((MYIOC_s_NOTE_FMT "DV Cmd Timeout: NoOp\n", hd->ioc->name)); | |
3551 | } else { | |
3552 | /* Perform a FW reload */ | |
3553 | if (mpt_HardResetHandler(hd->ioc, NO_SLEEP) < 0) { | |
3554 | printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", hd->ioc->name); | |
3555 | } | |
3556 | } | |
3557 | } else { | |
3558 | /* This should NEVER happen */ | |
3559 | printk(MYIOC_s_WARN_FMT "Null cmdPtr!!!!\n", hd->ioc->name); | |
3560 | } | |
3561 | ||
3562 | /* No more processing. | |
3563 | * TM call will generate an interrupt for SCSI TM Management. | |
3564 | * The FW will reply to all outstanding commands, callback will finish cleanup. | |
3565 | * Hard reset clean-up will free all resources. | |
3566 | */ | |
3567 | ddvprintk((MYIOC_s_WARN_FMT "Timer Expired Complete!\n", hd->ioc->name)); | |
3568 | ||
3569 | return; | |
3570 | } | |
3571 | ||
3572 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
3573 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3574 | /* mptscsih_do_raid - Format and Issue a RAID volume request message. | |
3575 | * @hd: Pointer to scsi host structure | |
3576 | * @action: What do be done. | |
3577 | * @id: Logical target id. | |
3578 | * @bus: Target locations bus. | |
3579 | * | |
3580 | * Returns: < 0 on a fatal error | |
3581 | * 0 on success | |
3582 | * | |
3583 | * Remark: Wait to return until reply processed by the ISR. | |
3584 | */ | |
3585 | static int | |
3586 | mptscsih_do_raid(MPT_SCSI_HOST *hd, u8 action, INTERNAL_CMD *io) | |
3587 | { | |
3588 | MpiRaidActionRequest_t *pReq; | |
3589 | MPT_FRAME_HDR *mf; | |
3590 | int in_isr; | |
3591 | ||
3592 | in_isr = in_interrupt(); | |
3593 | if (in_isr) { | |
3594 | dprintk((MYIOC_s_WARN_FMT "Internal raid request not allowed in ISR context!\n", | |
3595 | hd->ioc->name)); | |
3596 | return -EPERM; | |
3597 | } | |
3598 | ||
3599 | /* Get and Populate a free Frame | |
3600 | */ | |
0d0c7974 | 3601 | if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) { |
1da177e4 LT |
3602 | ddvprintk((MYIOC_s_WARN_FMT "_do_raid: no msg frames!\n", |
3603 | hd->ioc->name)); | |
3604 | return -EAGAIN; | |
3605 | } | |
3606 | pReq = (MpiRaidActionRequest_t *)mf; | |
3607 | pReq->Action = action; | |
3608 | pReq->Reserved1 = 0; | |
3609 | pReq->ChainOffset = 0; | |
3610 | pReq->Function = MPI_FUNCTION_RAID_ACTION; | |
3611 | pReq->VolumeID = io->id; | |
3612 | pReq->VolumeBus = io->bus; | |
3613 | pReq->PhysDiskNum = io->physDiskNum; | |
3614 | pReq->MsgFlags = 0; | |
3615 | pReq->Reserved2 = 0; | |
3616 | pReq->ActionDataWord = 0; /* Reserved for this action */ | |
3617 | //pReq->ActionDataSGE = 0; | |
3618 | ||
3619 | mpt_add_sge((char *)&pReq->ActionDataSGE, | |
3620 | MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1); | |
3621 | ||
3622 | ddvprintk((MYIOC_s_INFO_FMT "RAID Volume action %x id %d\n", | |
3623 | hd->ioc->name, action, io->id)); | |
3624 | ||
3625 | hd->pLocal = NULL; | |
3626 | hd->timer.expires = jiffies + HZ*10; /* 10 second timeout */ | |
0d0c7974 | 3627 | hd->scandv_wait_done = 0; |
1da177e4 LT |
3628 | |
3629 | /* Save cmd pointer, for resource free if timeout or | |
3630 | * FW reload occurs | |
3631 | */ | |
3632 | hd->cmdPtr = mf; | |
3633 | ||
3634 | add_timer(&hd->timer); | |
0d0c7974 MED |
3635 | mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf); |
3636 | wait_event(hd->scandv_waitq, hd->scandv_wait_done); | |
1da177e4 LT |
3637 | |
3638 | if ((hd->pLocal == NULL) || (hd->pLocal->completion != MPT_SCANDV_GOOD)) | |
3639 | return -1; | |
3640 | ||
3641 | return 0; | |
3642 | } | |
3643 | #endif /* ~MPTSCSIH_ENABLE_DOMAIN_VALIDATION */ | |
3644 | ||
3645 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3646 | /** | |
3647 | * mptscsih_do_cmd - Do internal command. | |
3648 | * @hd: MPT_SCSI_HOST pointer | |
3649 | * @io: INTERNAL_CMD pointer. | |
3650 | * | |
3651 | * Issue the specified internally generated command and do command | |
3652 | * specific cleanup. For bus scan / DV only. | |
3653 | * NOTES: If command is Inquiry and status is good, | |
3654 | * initialize a target structure, save the data | |
3655 | * | |
3656 | * Remark: Single threaded access only. | |
3657 | * | |
3658 | * Return: | |
3659 | * < 0 if an illegal command or no resources | |
3660 | * | |
3661 | * 0 if good | |
3662 | * | |
3663 | * > 0 if command complete but some type of completion error. | |
3664 | */ | |
3665 | static int | |
3666 | mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io) | |
3667 | { | |
3668 | MPT_FRAME_HDR *mf; | |
3669 | SCSIIORequest_t *pScsiReq; | |
3670 | SCSIIORequest_t ReqCopy; | |
3671 | int my_idx, ii, dir; | |
3672 | int rc, cmdTimeout; | |
3673 | int in_isr; | |
3674 | char cmdLen; | |
3675 | char CDB[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}; | |
3676 | char cmd = io->cmd; | |
3677 | ||
3678 | in_isr = in_interrupt(); | |
3679 | if (in_isr) { | |
3680 | dprintk((MYIOC_s_WARN_FMT "Internal SCSI IO request not allowed in ISR context!\n", | |
3681 | hd->ioc->name)); | |
3682 | return -EPERM; | |
3683 | } | |
3684 | ||
3685 | ||
3686 | /* Set command specific information | |
3687 | */ | |
3688 | switch (cmd) { | |
3689 | case INQUIRY: | |
3690 | cmdLen = 6; | |
3691 | dir = MPI_SCSIIO_CONTROL_READ; | |
3692 | CDB[0] = cmd; | |
3693 | CDB[4] = io->size; | |
3694 | cmdTimeout = 10; | |
3695 | break; | |
3696 | ||
3697 | case TEST_UNIT_READY: | |
3698 | cmdLen = 6; | |
3699 | dir = MPI_SCSIIO_CONTROL_READ; | |
3700 | cmdTimeout = 10; | |
3701 | break; | |
3702 | ||
3703 | case START_STOP: | |
3704 | cmdLen = 6; | |
3705 | dir = MPI_SCSIIO_CONTROL_READ; | |
3706 | CDB[0] = cmd; | |
3707 | CDB[4] = 1; /*Spin up the disk */ | |
3708 | cmdTimeout = 15; | |
3709 | break; | |
3710 | ||
3711 | case REQUEST_SENSE: | |
3712 | cmdLen = 6; | |
3713 | CDB[0] = cmd; | |
3714 | CDB[4] = io->size; | |
3715 | dir = MPI_SCSIIO_CONTROL_READ; | |
3716 | cmdTimeout = 10; | |
3717 | break; | |
3718 | ||
3719 | case READ_BUFFER: | |
3720 | cmdLen = 10; | |
3721 | dir = MPI_SCSIIO_CONTROL_READ; | |
3722 | CDB[0] = cmd; | |
3723 | if (io->flags & MPT_ICFLAG_ECHO) { | |
3724 | CDB[1] = 0x0A; | |
3725 | } else { | |
3726 | CDB[1] = 0x02; | |
3727 | } | |
3728 | ||
3729 | if (io->flags & MPT_ICFLAG_BUF_CAP) { | |
3730 | CDB[1] |= 0x01; | |
3731 | } | |
3732 | CDB[6] = (io->size >> 16) & 0xFF; | |
3733 | CDB[7] = (io->size >> 8) & 0xFF; | |
3734 | CDB[8] = io->size & 0xFF; | |
3735 | cmdTimeout = 10; | |
3736 | break; | |
3737 | ||
3738 | case WRITE_BUFFER: | |
3739 | cmdLen = 10; | |
3740 | dir = MPI_SCSIIO_CONTROL_WRITE; | |
3741 | CDB[0] = cmd; | |
3742 | if (io->flags & MPT_ICFLAG_ECHO) { | |
3743 | CDB[1] = 0x0A; | |
3744 | } else { | |
3745 | CDB[1] = 0x02; | |
3746 | } | |
3747 | CDB[6] = (io->size >> 16) & 0xFF; | |
3748 | CDB[7] = (io->size >> 8) & 0xFF; | |
3749 | CDB[8] = io->size & 0xFF; | |
3750 | cmdTimeout = 10; | |
3751 | break; | |
3752 | ||
3753 | case RESERVE: | |
3754 | cmdLen = 6; | |
3755 | dir = MPI_SCSIIO_CONTROL_READ; | |
3756 | CDB[0] = cmd; | |
3757 | cmdTimeout = 10; | |
3758 | break; | |
3759 | ||
3760 | case RELEASE: | |
3761 | cmdLen = 6; | |
3762 | dir = MPI_SCSIIO_CONTROL_READ; | |
3763 | CDB[0] = cmd; | |
3764 | cmdTimeout = 10; | |
3765 | break; | |
3766 | ||
3767 | case SYNCHRONIZE_CACHE: | |
3768 | cmdLen = 10; | |
3769 | dir = MPI_SCSIIO_CONTROL_READ; | |
3770 | CDB[0] = cmd; | |
3771 | // CDB[1] = 0x02; /* set immediate bit */ | |
3772 | cmdTimeout = 10; | |
3773 | break; | |
3774 | ||
3775 | default: | |
3776 | /* Error Case */ | |
3777 | return -EFAULT; | |
3778 | } | |
3779 | ||
3780 | /* Get and Populate a free Frame | |
3781 | */ | |
0d0c7974 | 3782 | if ((mf = mpt_get_msg_frame(hd->ioc->InternalCtx, hd->ioc)) == NULL) { |
1da177e4 LT |
3783 | ddvprintk((MYIOC_s_WARN_FMT "No msg frames!\n", |
3784 | hd->ioc->name)); | |
3785 | return -EBUSY; | |
3786 | } | |
3787 | ||
3788 | pScsiReq = (SCSIIORequest_t *) mf; | |
3789 | ||
3790 | /* Get the request index */ | |
3791 | my_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx); | |
3792 | ADD_INDEX_LOG(my_idx); /* for debug */ | |
3793 | ||
3794 | if (io->flags & MPT_ICFLAG_PHYS_DISK) { | |
3795 | pScsiReq->TargetID = io->physDiskNum; | |
3796 | pScsiReq->Bus = 0; | |
3797 | pScsiReq->ChainOffset = 0; | |
3798 | pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; | |
3799 | } else { | |
3800 | pScsiReq->TargetID = io->id; | |
3801 | pScsiReq->Bus = io->bus; | |
3802 | pScsiReq->ChainOffset = 0; | |
3803 | pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST; | |
3804 | } | |
3805 | ||
3806 | pScsiReq->CDBLength = cmdLen; | |
3807 | pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE; | |
3808 | ||
3809 | pScsiReq->Reserved = 0; | |
3810 | ||
3811 | pScsiReq->MsgFlags = mpt_msg_flags(); | |
3812 | /* MsgContext set in mpt_get_msg_fram call */ | |
3813 | ||
3814 | for (ii=0; ii < 8; ii++) | |
3815 | pScsiReq->LUN[ii] = 0; | |
3816 | pScsiReq->LUN[1] = io->lun; | |
3817 | ||
3818 | if (io->flags & MPT_ICFLAG_TAGGED_CMD) | |
3819 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ); | |
3820 | else | |
3821 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); | |
3822 | ||
3823 | if (cmd == REQUEST_SENSE) { | |
3824 | pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_UNTAGGED); | |
3825 | ddvprintk((MYIOC_s_INFO_FMT "Untagged! 0x%2x\n", | |
3826 | hd->ioc->name, cmd)); | |
3827 | } | |
3828 | ||
3829 | for (ii=0; ii < 16; ii++) | |
3830 | pScsiReq->CDB[ii] = CDB[ii]; | |
3831 | ||
3832 | pScsiReq->DataLength = cpu_to_le32(io->size); | |
3833 | pScsiReq->SenseBufferLowAddr = cpu_to_le32(hd->ioc->sense_buf_low_dma | |
3834 | + (my_idx * MPT_SENSE_BUFFER_ALLOC)); | |
3835 | ||
3836 | ddvprintk((MYIOC_s_INFO_FMT "Sending Command 0x%x for (%d:%d:%d)\n", | |
3837 | hd->ioc->name, cmd, io->bus, io->id, io->lun)); | |
3838 | ||
3839 | if (dir == MPI_SCSIIO_CONTROL_READ) { | |
3840 | mpt_add_sge((char *) &pScsiReq->SGL, | |
3841 | MPT_SGE_FLAGS_SSIMPLE_READ | io->size, | |
3842 | io->data_dma); | |
3843 | } else { | |
3844 | mpt_add_sge((char *) &pScsiReq->SGL, | |
3845 | MPT_SGE_FLAGS_SSIMPLE_WRITE | io->size, | |
3846 | io->data_dma); | |
3847 | } | |
3848 | ||
3849 | /* The ISR will free the request frame, but we need | |
3850 | * the information to initialize the target. Duplicate. | |
3851 | */ | |
3852 | memcpy(&ReqCopy, pScsiReq, sizeof(SCSIIORequest_t)); | |
3853 | ||
3854 | /* Issue this command after: | |
3855 | * finish init | |
3856 | * add timer | |
3857 | * Wait until the reply has been received | |
3858 | * ScsiScanDvCtx callback function will | |
3859 | * set hd->pLocal; | |
3860 | * set scandv_wait_done and call wake_up | |
3861 | */ | |
3862 | hd->pLocal = NULL; | |
3863 | hd->timer.expires = jiffies + HZ*cmdTimeout; | |
0d0c7974 | 3864 | hd->scandv_wait_done = 0; |
1da177e4 LT |
3865 | |
3866 | /* Save cmd pointer, for resource free if timeout or | |
3867 | * FW reload occurs | |
3868 | */ | |
3869 | hd->cmdPtr = mf; | |
3870 | ||
3871 | add_timer(&hd->timer); | |
0d0c7974 MED |
3872 | mpt_put_msg_frame(hd->ioc->InternalCtx, hd->ioc, mf); |
3873 | wait_event(hd->scandv_waitq, hd->scandv_wait_done); | |
1da177e4 LT |
3874 | |
3875 | if (hd->pLocal) { | |
3876 | rc = hd->pLocal->completion; | |
3877 | hd->pLocal->skip = 0; | |
3878 | ||
3879 | /* Always set fatal error codes in some cases. | |
3880 | */ | |
3881 | if (rc == MPT_SCANDV_SELECTION_TIMEOUT) | |
3882 | rc = -ENXIO; | |
3883 | else if (rc == MPT_SCANDV_SOME_ERROR) | |
3884 | rc = -rc; | |
3885 | } else { | |
3886 | rc = -EFAULT; | |
3887 | /* This should never happen. */ | |
3888 | ddvprintk((MYIOC_s_INFO_FMT "_do_cmd: Null pLocal!!!\n", | |
3889 | hd->ioc->name)); | |
3890 | } | |
3891 | ||
3892 | return rc; | |
3893 | } | |
3894 | ||
3895 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
3896 | /** | |
3897 | * mptscsih_synchronize_cache - Send SYNCHRONIZE_CACHE to all disks. | |
3898 | * @hd: Pointer to MPT_SCSI_HOST structure | |
3899 | * @portnum: IOC port number | |
3900 | * | |
3901 | * Uses the ISR, but with special processing. | |
3902 | * MUST be single-threaded. | |
3903 | * | |
3904 | * Return: 0 on completion | |
3905 | */ | |
3906 | static int | |
3907 | mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, int portnum) | |
3908 | { | |
3909 | MPT_ADAPTER *ioc= hd->ioc; | |
3910 | VirtDevice *pTarget; | |
3911 | SCSIDevicePage1_t *pcfg1Data = NULL; | |
3912 | INTERNAL_CMD iocmd; | |
3913 | CONFIGPARMS cfg; | |
3914 | dma_addr_t cfg1_dma_addr = -1; | |
3915 | ConfigPageHeader_t header1; | |
3916 | int bus = 0; | |
3917 | int id = 0; | |
3918 | int lun; | |
3919 | int indexed_lun, lun_index; | |
3920 | int hostId = ioc->pfacts[portnum].PortSCSIID; | |
3921 | int max_id; | |
3922 | int requested, configuration, data; | |
3923 | int doConfig = 0; | |
3924 | u8 flags, factor; | |
3925 | ||
3926 | max_id = ioc->sh->max_id - 1; | |
3927 | ||
3928 | /* Following parameters will not change | |
3929 | * in this routine. | |
3930 | */ | |
3931 | iocmd.cmd = SYNCHRONIZE_CACHE; | |
3932 | iocmd.flags = 0; | |
3933 | iocmd.physDiskNum = -1; | |
3934 | iocmd.data = NULL; | |
3935 | iocmd.data_dma = -1; | |
3936 | iocmd.size = 0; | |
3937 | iocmd.rsvd = iocmd.rsvd2 = 0; | |
3938 | ||
3939 | /* No SCSI hosts | |
3940 | */ | |
3941 | if (hd->Targets == NULL) | |
3942 | return 0; | |
3943 | ||
3944 | /* Skip the host | |
3945 | */ | |
3946 | if (id == hostId) | |
3947 | id++; | |
3948 | ||
3949 | /* Write SDP1 for all SCSI devices | |
3950 | * Alloc memory and set up config buffer | |
3951 | */ | |
3952 | if (ioc->bus_type == SCSI) { | |
3953 | if (ioc->spi_data.sdp1length > 0) { | |
3954 | pcfg1Data = (SCSIDevicePage1_t *)pci_alloc_consistent(ioc->pcidev, | |
3955 | ioc->spi_data.sdp1length * 4, &cfg1_dma_addr); | |
3956 | ||
3957 | if (pcfg1Data != NULL) { | |
3958 | doConfig = 1; | |
3959 | header1.PageVersion = ioc->spi_data.sdp1version; | |
3960 | header1.PageLength = ioc->spi_data.sdp1length; | |
3961 | header1.PageNumber = 1; | |
3962 | header1.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
3963 | cfg.hdr = &header1; | |
3964 | cfg.physAddr = cfg1_dma_addr; | |
3965 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
3966 | cfg.dir = 1; | |
3967 | cfg.timeout = 0; | |
3968 | } | |
3969 | } | |
3970 | } | |
3971 | ||
3972 | /* loop through all devices on this port | |
3973 | */ | |
3974 | while (bus < MPT_MAX_BUS) { | |
3975 | iocmd.bus = bus; | |
3976 | iocmd.id = id; | |
3977 | pTarget = hd->Targets[(int)id]; | |
3978 | ||
3979 | if (doConfig) { | |
3980 | ||
3981 | /* Set the negotiation flags */ | |
3982 | if (pTarget && (pTarget = hd->Targets[id]) && !pTarget->raidVolume) { | |
3983 | flags = pTarget->negoFlags; | |
3984 | } else { | |
3985 | flags = hd->ioc->spi_data.noQas; | |
3986 | if (hd->ioc->spi_data.nvram && (hd->ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) { | |
3987 | data = hd->ioc->spi_data.nvram[id]; | |
3988 | ||
3989 | if (data & MPT_NVRAM_WIDE_DISABLE) | |
3990 | flags |= MPT_TARGET_NO_NEGO_WIDE; | |
3991 | ||
3992 | factor = (data & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; | |
3993 | if ((factor == 0) || (factor == MPT_ASYNC)) | |
3994 | flags |= MPT_TARGET_NO_NEGO_SYNC; | |
3995 | } | |
3996 | } | |
3997 | ||
3998 | /* Force to async, narrow */ | |
3999 | mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested, | |
4000 | &configuration, flags); | |
4001 | dnegoprintk(("syncronize cache: id=%d width=0 factor=MPT_ASYNC " | |
4002 | "offset=0 negoFlags=%x request=%x config=%x\n", | |
4003 | id, flags, requested, configuration)); | |
4004 | pcfg1Data->RequestedParameters = le32_to_cpu(requested); | |
4005 | pcfg1Data->Reserved = 0; | |
4006 | pcfg1Data->Configuration = le32_to_cpu(configuration); | |
4007 | cfg.pageAddr = (bus<<8) | id; | |
4008 | mpt_config(hd->ioc, &cfg); | |
4009 | } | |
4010 | ||
4011 | /* If target Ptr NULL or if this target is NOT a disk, skip. | |
4012 | */ | |
4013 | if ((pTarget) && (pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)){ | |
4014 | for (lun=0; lun <= MPT_LAST_LUN; lun++) { | |
4015 | /* If LUN present, issue the command | |
4016 | */ | |
4017 | lun_index = (lun >> 5); /* 32 luns per lun_index */ | |
4018 | indexed_lun = (lun % 32); | |
4019 | if (pTarget->luns[lun_index] & (1<<indexed_lun)) { | |
4020 | iocmd.lun = lun; | |
4021 | (void) mptscsih_do_cmd(hd, &iocmd); | |
4022 | } | |
4023 | } | |
4024 | } | |
4025 | ||
4026 | /* get next relevant device */ | |
4027 | id++; | |
4028 | ||
4029 | if (id == hostId) | |
4030 | id++; | |
4031 | ||
4032 | if (id > max_id) { | |
4033 | id = 0; | |
4034 | bus++; | |
4035 | } | |
4036 | } | |
4037 | ||
4038 | if (pcfg1Data) { | |
4039 | pci_free_consistent(ioc->pcidev, header1.PageLength * 4, pcfg1Data, cfg1_dma_addr); | |
4040 | } | |
4041 | ||
4042 | return 0; | |
4043 | } | |
4044 | ||
4045 | #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION | |
4046 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
4047 | /** | |
4048 | * mptscsih_domainValidation - Top level handler for domain validation. | |
4049 | * @hd: Pointer to MPT_SCSI_HOST structure. | |
4050 | * | |
4051 | * Uses the ISR, but with special processing. | |
4052 | * Called from schedule, should not be in interrupt mode. | |
4053 | * While thread alive, do dv for all devices needing dv | |
4054 | * | |
4055 | * Return: None. | |
4056 | */ | |
4057 | static void | |
4058 | mptscsih_domainValidation(void *arg) | |
4059 | { | |
4060 | MPT_SCSI_HOST *hd; | |
4061 | MPT_ADAPTER *ioc; | |
4062 | unsigned long flags; | |
4063 | int id, maxid, dvStatus, did; | |
4064 | int ii, isPhysDisk; | |
4065 | ||
4066 | spin_lock_irqsave(&dvtaskQ_lock, flags); | |
4067 | dvtaskQ_active = 1; | |
4068 | if (dvtaskQ_release) { | |
4069 | dvtaskQ_active = 0; | |
4070 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4071 | return; | |
4072 | } | |
4073 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4074 | ||
4075 | /* For this ioc, loop through all devices and do dv to each device. | |
4076 | * When complete with this ioc, search through the ioc list, and | |
4077 | * for each scsi ioc found, do dv for all devices. Exit when no | |
4078 | * device needs dv. | |
4079 | */ | |
4080 | did = 1; | |
4081 | while (did) { | |
4082 | did = 0; | |
4083 | list_for_each_entry(ioc, &ioc_list, list) { | |
4084 | spin_lock_irqsave(&dvtaskQ_lock, flags); | |
4085 | if (dvtaskQ_release) { | |
4086 | dvtaskQ_active = 0; | |
4087 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4088 | return; | |
4089 | } | |
4090 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4091 | ||
4092 | msleep(250); | |
4093 | ||
4094 | /* DV only to SCSI adapters */ | |
4095 | if (ioc->bus_type != SCSI) | |
4096 | continue; | |
4097 | ||
4098 | /* Make sure everything looks ok */ | |
4099 | if (ioc->sh == NULL) | |
4100 | continue; | |
4101 | ||
4102 | hd = (MPT_SCSI_HOST *) ioc->sh->hostdata; | |
4103 | if (hd == NULL) | |
4104 | continue; | |
4105 | ||
4106 | if ((ioc->spi_data.forceDv & MPT_SCSICFG_RELOAD_IOC_PG3) != 0) { | |
4107 | mpt_read_ioc_pg_3(ioc); | |
4108 | if (ioc->spi_data.pIocPg3) { | |
4109 | Ioc3PhysDisk_t *pPDisk = ioc->spi_data.pIocPg3->PhysDisk; | |
4110 | int numPDisk = ioc->spi_data.pIocPg3->NumPhysDisks; | |
4111 | ||
4112 | while (numPDisk) { | |
4113 | if (ioc->spi_data.dvStatus[pPDisk->PhysDiskID] & MPT_SCSICFG_DV_NOT_DONE) | |
4114 | ioc->spi_data.dvStatus[pPDisk->PhysDiskID] |= MPT_SCSICFG_NEED_DV; | |
4115 | ||
4116 | pPDisk++; | |
4117 | numPDisk--; | |
4118 | } | |
4119 | } | |
4120 | ioc->spi_data.forceDv &= ~MPT_SCSICFG_RELOAD_IOC_PG3; | |
4121 | } | |
4122 | ||
4123 | maxid = min_t(int, ioc->sh->max_id, MPT_MAX_SCSI_DEVICES); | |
4124 | ||
4125 | for (id = 0; id < maxid; id++) { | |
4126 | spin_lock_irqsave(&dvtaskQ_lock, flags); | |
4127 | if (dvtaskQ_release) { | |
4128 | dvtaskQ_active = 0; | |
4129 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4130 | return; | |
4131 | } | |
4132 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4133 | dvStatus = hd->ioc->spi_data.dvStatus[id]; | |
4134 | ||
4135 | if (dvStatus & MPT_SCSICFG_NEED_DV) { | |
4136 | did++; | |
4137 | hd->ioc->spi_data.dvStatus[id] |= MPT_SCSICFG_DV_PENDING; | |
4138 | hd->ioc->spi_data.dvStatus[id] &= ~MPT_SCSICFG_NEED_DV; | |
4139 | ||
4140 | msleep(250); | |
4141 | ||
4142 | /* If hidden phys disk, block IO's to all | |
4143 | * raid volumes | |
4144 | * else, process normally | |
4145 | */ | |
4146 | isPhysDisk = mptscsih_is_phys_disk(ioc, id); | |
4147 | if (isPhysDisk) { | |
4148 | for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { | |
4149 | if (hd->ioc->spi_data.isRaid & (1 << ii)) { | |
4150 | hd->ioc->spi_data.dvStatus[ii] |= MPT_SCSICFG_DV_PENDING; | |
4151 | } | |
4152 | } | |
4153 | } | |
4154 | ||
4155 | if (mptscsih_doDv(hd, 0, id) == 1) { | |
4156 | /* Untagged device was busy, try again | |
4157 | */ | |
4158 | hd->ioc->spi_data.dvStatus[id] |= MPT_SCSICFG_NEED_DV; | |
4159 | hd->ioc->spi_data.dvStatus[id] &= ~MPT_SCSICFG_DV_PENDING; | |
4160 | } else { | |
4161 | /* DV is complete. Clear flags. | |
4162 | */ | |
4163 | hd->ioc->spi_data.dvStatus[id] &= ~(MPT_SCSICFG_DV_NOT_DONE | MPT_SCSICFG_DV_PENDING); | |
4164 | } | |
4165 | ||
4166 | if (isPhysDisk) { | |
4167 | for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { | |
4168 | if (hd->ioc->spi_data.isRaid & (1 << ii)) { | |
4169 | hd->ioc->spi_data.dvStatus[ii] &= ~MPT_SCSICFG_DV_PENDING; | |
4170 | } | |
4171 | } | |
4172 | } | |
4173 | ||
4174 | if (hd->ioc->spi_data.noQas) | |
4175 | mptscsih_qas_check(hd, id); | |
4176 | } | |
4177 | } | |
4178 | } | |
4179 | } | |
4180 | ||
4181 | spin_lock_irqsave(&dvtaskQ_lock, flags); | |
4182 | dvtaskQ_active = 0; | |
4183 | spin_unlock_irqrestore(&dvtaskQ_lock, flags); | |
4184 | ||
4185 | return; | |
4186 | } | |
4187 | ||
4188 | /* Search IOC page 3 to determine if this is hidden physical disk | |
4189 | */ | |
0d0c7974 MED |
4190 | static int |
4191 | mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id) | |
1da177e4 LT |
4192 | { |
4193 | if (ioc->spi_data.pIocPg3) { | |
4194 | Ioc3PhysDisk_t *pPDisk = ioc->spi_data.pIocPg3->PhysDisk; | |
4195 | int numPDisk = ioc->spi_data.pIocPg3->NumPhysDisks; | |
4196 | ||
4197 | while (numPDisk) { | |
4198 | if (pPDisk->PhysDiskID == id) { | |
4199 | return 1; | |
4200 | } | |
4201 | pPDisk++; | |
4202 | numPDisk--; | |
4203 | } | |
4204 | } | |
4205 | return 0; | |
4206 | } | |
4207 | ||
4208 | /* Write SDP1 if no QAS has been enabled | |
4209 | */ | |
0d0c7974 MED |
4210 | static void |
4211 | mptscsih_qas_check(MPT_SCSI_HOST *hd, int id) | |
1da177e4 LT |
4212 | { |
4213 | VirtDevice *pTarget; | |
4214 | int ii; | |
4215 | ||
4216 | if (hd->Targets == NULL) | |
4217 | return; | |
4218 | ||
4219 | for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) { | |
4220 | if (ii == id) | |
4221 | continue; | |
4222 | ||
4223 | if ((hd->ioc->spi_data.dvStatus[ii] & MPT_SCSICFG_DV_NOT_DONE) != 0) | |
4224 | continue; | |
4225 | ||
4226 | pTarget = hd->Targets[ii]; | |
4227 | ||
4228 | if ((pTarget != NULL) && (!pTarget->raidVolume)) { | |
4229 | if ((pTarget->negoFlags & hd->ioc->spi_data.noQas) == 0) { | |
4230 | pTarget->negoFlags |= hd->ioc->spi_data.noQas; | |
4231 | dnegoprintk(("writeSDP1: id=%d flags=0\n", id)); | |
4232 | mptscsih_writeSDP1(hd, 0, ii, 0); | |
4233 | } | |
4234 | } else { | |
4235 | if (mptscsih_is_phys_disk(hd->ioc, ii) == 1) { | |
4236 | dnegoprintk(("writeSDP1: id=%d SCSICFG_USE_NVRAM\n", id)); | |
4237 | mptscsih_writeSDP1(hd, 0, ii, MPT_SCSICFG_USE_NVRAM); | |
4238 | } | |
4239 | } | |
4240 | } | |
4241 | return; | |
4242 | } | |
4243 | ||
4244 | ||
4245 | ||
4246 | #define MPT_GET_NVRAM_VALS 0x01 | |
4247 | #define MPT_UPDATE_MAX 0x02 | |
4248 | #define MPT_SET_MAX 0x04 | |
4249 | #define MPT_SET_MIN 0x08 | |
4250 | #define MPT_FALLBACK 0x10 | |
4251 | #define MPT_SAVE 0x20 | |
4252 | ||
4253 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
4254 | /** | |
4255 | * mptscsih_doDv - Perform domain validation to a target. | |
4256 | * @hd: Pointer to MPT_SCSI_HOST structure. | |
4257 | * @portnum: IOC port number. | |
4258 | * @target: Physical ID of this target | |
4259 | * | |
4260 | * Uses the ISR, but with special processing. | |
4261 | * MUST be single-threaded. | |
4262 | * Test will exit if target is at async & narrow. | |
4263 | * | |
4264 | * Return: None. | |
4265 | */ | |
4266 | static int | |
4267 | mptscsih_doDv(MPT_SCSI_HOST *hd, int bus_number, int id) | |
4268 | { | |
4269 | MPT_ADAPTER *ioc = hd->ioc; | |
4270 | VirtDevice *pTarget; | |
4271 | SCSIDevicePage1_t *pcfg1Data; | |
4272 | SCSIDevicePage0_t *pcfg0Data; | |
4273 | u8 *pbuf1; | |
4274 | u8 *pbuf2; | |
4275 | u8 *pDvBuf; | |
4276 | dma_addr_t dvbuf_dma = -1; | |
4277 | dma_addr_t buf1_dma = -1; | |
4278 | dma_addr_t buf2_dma = -1; | |
4279 | dma_addr_t cfg1_dma_addr = -1; | |
4280 | dma_addr_t cfg0_dma_addr = -1; | |
4281 | ConfigPageHeader_t header1; | |
4282 | ConfigPageHeader_t header0; | |
4283 | DVPARAMETERS dv; | |
4284 | INTERNAL_CMD iocmd; | |
4285 | CONFIGPARMS cfg; | |
4286 | int dv_alloc = 0; | |
4287 | int rc, sz = 0; | |
4288 | int bufsize = 0; | |
4289 | int dataBufSize = 0; | |
4290 | int echoBufSize = 0; | |
4291 | int notDone; | |
4292 | int patt; | |
4293 | int repeat; | |
4294 | int retcode = 0; | |
4295 | int nfactor = MPT_ULTRA320; | |
4296 | char firstPass = 1; | |
4297 | char doFallback = 0; | |
4298 | char readPage0; | |
4299 | char bus, lun; | |
4300 | char inq0 = 0; | |
4301 | ||
4302 | if (ioc->spi_data.sdp1length == 0) | |
4303 | return 0; | |
4304 | ||
4305 | if (ioc->spi_data.sdp0length == 0) | |
4306 | return 0; | |
4307 | ||
4308 | /* If multiple buses are used, require that the initiator | |
4309 | * id be the same on all buses. | |
4310 | */ | |
4311 | if (id == ioc->pfacts[0].PortSCSIID) | |
4312 | return 0; | |
4313 | ||
4314 | lun = 0; | |
4315 | bus = (u8) bus_number; | |
4316 | ddvtprintk((MYIOC_s_NOTE_FMT | |
4317 | "DV started: bus=%d, id=%d dv @ %p\n", | |
4318 | ioc->name, bus, id, &dv)); | |
4319 | ||
4320 | /* Prep DV structure | |
4321 | */ | |
4322 | memset (&dv, 0, sizeof(DVPARAMETERS)); | |
4323 | dv.id = id; | |
4324 | ||
4325 | /* Populate tmax with the current maximum | |
4326 | * transfer parameters for this target. | |
4327 | * Exit if narrow and async. | |
4328 | */ | |
4329 | dv.cmd = MPT_GET_NVRAM_VALS; | |
4330 | mptscsih_dv_parms(hd, &dv, NULL); | |
4331 | ||
4332 | /* Prep SCSI IO structure | |
4333 | */ | |
4334 | iocmd.id = id; | |
4335 | iocmd.bus = bus; | |
4336 | iocmd.lun = lun; | |
4337 | iocmd.flags = 0; | |
4338 | iocmd.physDiskNum = -1; | |
4339 | iocmd.rsvd = iocmd.rsvd2 = 0; | |
4340 | ||
4341 | pTarget = hd->Targets[id]; | |
4342 | ||
4343 | /* Use tagged commands if possible. | |
4344 | */ | |
4345 | if (pTarget) { | |
4346 | if (pTarget->tflags & MPT_TARGET_FLAGS_Q_YES) | |
4347 | iocmd.flags |= MPT_ICFLAG_TAGGED_CMD; | |
4348 | else { | |
4349 | if (hd->ioc->facts.FWVersion.Word < 0x01000600) | |
4350 | return 0; | |
4351 | ||
4352 | if ((hd->ioc->facts.FWVersion.Word >= 0x01010000) && | |
4353 | (hd->ioc->facts.FWVersion.Word < 0x01010B00)) | |
4354 | return 0; | |
4355 | } | |
4356 | } | |
4357 | ||
4358 | /* Prep cfg structure | |
4359 | */ | |
4360 | cfg.pageAddr = (bus<<8) | id; | |
4361 | cfg.hdr = NULL; | |
4362 | ||
4363 | /* Prep SDP0 header | |
4364 | */ | |
4365 | header0.PageVersion = ioc->spi_data.sdp0version; | |
4366 | header0.PageLength = ioc->spi_data.sdp0length; | |
4367 | header0.PageNumber = 0; | |
4368 | header0.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
4369 | ||
4370 | /* Prep SDP1 header | |
4371 | */ | |
4372 | header1.PageVersion = ioc->spi_data.sdp1version; | |
4373 | header1.PageLength = ioc->spi_data.sdp1length; | |
4374 | header1.PageNumber = 1; | |
4375 | header1.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE; | |
4376 | ||
4377 | if (header0.PageLength & 1) | |
4378 | dv_alloc = (header0.PageLength * 4) + 4; | |
4379 | ||
4380 | dv_alloc += (2048 + (header1.PageLength * 4)); | |
4381 | ||
4382 | pDvBuf = pci_alloc_consistent(ioc->pcidev, dv_alloc, &dvbuf_dma); | |
4383 | if (pDvBuf == NULL) | |
4384 | return 0; | |
4385 | ||
4386 | sz = 0; | |
4387 | pbuf1 = (u8 *)pDvBuf; | |
4388 | buf1_dma = dvbuf_dma; | |
4389 | sz +=1024; | |
4390 | ||
4391 | pbuf2 = (u8 *) (pDvBuf + sz); | |
4392 | buf2_dma = dvbuf_dma + sz; | |
4393 | sz +=1024; | |
4394 | ||
4395 | pcfg0Data = (SCSIDevicePage0_t *) (pDvBuf + sz); | |
4396 | cfg0_dma_addr = dvbuf_dma + sz; | |
4397 | sz += header0.PageLength * 4; | |
4398 | ||
4399 | /* 8-byte alignment | |
4400 | */ | |
4401 | if (header0.PageLength & 1) | |
4402 | sz += 4; | |
4403 | ||
4404 | pcfg1Data = (SCSIDevicePage1_t *) (pDvBuf + sz); | |
4405 | cfg1_dma_addr = dvbuf_dma + sz; | |
4406 | ||
4407 | /* Skip this ID? Set cfg.hdr to force config page write | |
4408 | */ | |
4409 | { | |
4410 | ScsiCfgData *pspi_data = &hd->ioc->spi_data; | |
4411 | if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) { | |
4412 | /* Set the factor from nvram */ | |
4413 | nfactor = (pspi_data->nvram[id] & MPT_NVRAM_SYNC_MASK) >> 8; | |
4414 | if (nfactor < pspi_data->minSyncFactor ) | |
4415 | nfactor = pspi_data->minSyncFactor; | |
4416 | ||
4417 | if (!(pspi_data->nvram[id] & MPT_NVRAM_ID_SCAN_ENABLE) || | |
4418 | (pspi_data->PortFlags == MPI_SCSIPORTPAGE2_PORT_FLAGS_OFF_DV) ) { | |
4419 | ||
4420 | ddvprintk((MYIOC_s_NOTE_FMT "DV Skipped: bus, id, lun (%d, %d, %d)\n", | |
4421 | ioc->name, bus, id, lun)); | |
4422 | ||
4423 | dv.cmd = MPT_SET_MAX; | |
4424 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
4425 | cfg.hdr = &header1; | |
4426 | ||
4427 | /* Save the final negotiated settings to | |
4428 | * SCSI device page 1. | |
4429 | */ | |
4430 | cfg.physAddr = cfg1_dma_addr; | |
4431 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
4432 | cfg.dir = 1; | |
4433 | mpt_config(hd->ioc, &cfg); | |
4434 | goto target_done; | |
4435 | } | |
4436 | } | |
4437 | } | |
4438 | ||
4439 | /* Finish iocmd inititialization - hidden or visible disk? */ | |
4440 | if (ioc->spi_data.pIocPg3) { | |
4441 | /* Search IOC page 3 for matching id | |
4442 | */ | |
4443 | Ioc3PhysDisk_t *pPDisk = ioc->spi_data.pIocPg3->PhysDisk; | |
4444 | int numPDisk = ioc->spi_data.pIocPg3->NumPhysDisks; | |
4445 | ||
4446 | while (numPDisk) { | |
4447 | if (pPDisk->PhysDiskID == id) { | |
4448 | /* match */ | |
4449 | iocmd.flags |= MPT_ICFLAG_PHYS_DISK; | |
4450 | iocmd.physDiskNum = pPDisk->PhysDiskNum; | |
4451 | ||
4452 | /* Quiesce the IM | |
4453 | */ | |
4454 | if (mptscsih_do_raid(hd, MPI_RAID_ACTION_QUIESCE_PHYS_IO, &iocmd) < 0) { | |
4455 | ddvprintk((MYIOC_s_ERR_FMT "RAID Queisce FAILED!\n", ioc->name)); | |
4456 | goto target_done; | |
4457 | } | |
4458 | break; | |
4459 | } | |
4460 | pPDisk++; | |
4461 | numPDisk--; | |
4462 | } | |
4463 | } | |
4464 | ||
4465 | /* RAID Volume ID's may double for a physical device. If RAID but | |
4466 | * not a physical ID as well, skip DV. | |
4467 | */ | |
4468 | if ((hd->ioc->spi_data.isRaid & (1 << id)) && !(iocmd.flags & MPT_ICFLAG_PHYS_DISK)) | |
4469 | goto target_done; | |
4470 | ||
4471 | ||
4472 | /* Basic Test. | |
4473 | * Async & Narrow - Inquiry | |
4474 | * Async & Narrow - Inquiry | |
4475 | * Maximum transfer rate - Inquiry | |
4476 | * Compare buffers: | |
4477 | * If compare, test complete. | |
4478 | * If miscompare and first pass, repeat | |
4479 | * If miscompare and not first pass, fall back and repeat | |
4480 | */ | |
4481 | hd->pLocal = NULL; | |
4482 | readPage0 = 0; | |
4483 | sz = SCSI_MAX_INQUIRY_BYTES; | |
4484 | rc = MPT_SCANDV_GOOD; | |
4485 | while (1) { | |
4486 | ddvprintk((MYIOC_s_NOTE_FMT "DV: Start Basic test on id=%d\n", ioc->name, id)); | |
4487 | retcode = 0; | |
4488 | dv.cmd = MPT_SET_MIN; | |
4489 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
4490 | ||
4491 | cfg.hdr = &header1; | |
4492 | cfg.physAddr = cfg1_dma_addr; | |
4493 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
4494 | cfg.dir = 1; | |
4495 | if (mpt_config(hd->ioc, &cfg) != 0) | |
4496 | goto target_done; | |
4497 | ||
4498 | /* Wide - narrow - wide workaround case | |
4499 | */ | |
4500 | if ((rc == MPT_SCANDV_ISSUE_SENSE) && dv.max.width) { | |
4501 | /* Send an untagged command to reset disk Qs corrupted | |
4502 | * when a parity error occurs on a Request Sense. | |
4503 | */ | |
4504 | if ((hd->ioc->facts.FWVersion.Word >= 0x01000600) || | |
4505 | ((hd->ioc->facts.FWVersion.Word >= 0x01010000) && | |
4506 | (hd->ioc->facts.FWVersion.Word < 0x01010B00)) ) { | |
4507 | ||
4508 | iocmd.cmd = REQUEST_SENSE; | |
4509 | iocmd.data_dma = buf1_dma; | |
4510 | iocmd.data = pbuf1; | |
4511 | iocmd.size = 0x12; | |
4512 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4513 | goto target_done; | |
4514 | else { | |
4515 | if (hd->pLocal == NULL) | |
4516 | goto target_done; | |
4517 | rc = hd->pLocal->completion; | |
4518 | if ((rc == MPT_SCANDV_GOOD) || (rc == MPT_SCANDV_SENSE)) { | |
4519 | dv.max.width = 0; | |
4520 | doFallback = 0; | |
4521 | } else | |
4522 | goto target_done; | |
4523 | } | |
4524 | } else | |
4525 | goto target_done; | |
4526 | } | |
4527 | ||
4528 | iocmd.cmd = INQUIRY; | |
4529 | iocmd.data_dma = buf1_dma; | |
4530 | iocmd.data = pbuf1; | |
4531 | iocmd.size = sz; | |
4532 | memset(pbuf1, 0x00, sz); | |
4533 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4534 | goto target_done; | |
4535 | else { | |
4536 | if (hd->pLocal == NULL) | |
4537 | goto target_done; | |
4538 | rc = hd->pLocal->completion; | |
4539 | if (rc == MPT_SCANDV_GOOD) { | |
4540 | if (hd->pLocal->scsiStatus == SAM_STAT_BUSY) { | |
4541 | if ((iocmd.flags & MPT_ICFLAG_TAGGED_CMD) == 0) | |
4542 | retcode = 1; | |
4543 | else | |
4544 | retcode = 0; | |
4545 | ||
4546 | goto target_done; | |
4547 | } | |
4548 | } else if (rc == MPT_SCANDV_SENSE) { | |
4549 | ; | |
4550 | } else { | |
4551 | /* If first command doesn't complete | |
4552 | * with a good status or with a check condition, | |
4553 | * exit. | |
4554 | */ | |
4555 | goto target_done; | |
4556 | } | |
4557 | } | |
4558 | ||
4559 | /* Reset the size for disks | |
4560 | */ | |
4561 | inq0 = (*pbuf1) & 0x1F; | |
4562 | if ((inq0 == 0) && pTarget && !pTarget->raidVolume) { | |
4563 | sz = 0x40; | |
4564 | iocmd.size = sz; | |
4565 | } | |
4566 | ||
4567 | /* Another GEM workaround. Check peripheral device type, | |
4568 | * if PROCESSOR, quit DV. | |
4569 | */ | |
4570 | if (inq0 == TYPE_PROCESSOR) { | |
4571 | mptscsih_initTarget(hd, | |
4572 | bus, | |
4573 | id, | |
4574 | lun, | |
4575 | pbuf1, | |
4576 | sz); | |
4577 | goto target_done; | |
4578 | } | |
4579 | ||
4580 | if (inq0 > 0x08) | |
4581 | goto target_done; | |
4582 | ||
4583 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4584 | goto target_done; | |
4585 | ||
4586 | if (sz == 0x40) { | |
4587 | if ((pTarget->maxWidth == 1) && (pTarget->maxOffset) && (nfactor < 0x0A) | |
4588 | && (pTarget->minSyncFactor > 0x09)) { | |
4589 | if ((pbuf1[56] & 0x04) == 0) | |
4590 | ; | |
4591 | else if ((pbuf1[56] & 0x01) == 1) { | |
4592 | pTarget->minSyncFactor = | |
4593 | nfactor > MPT_ULTRA320 ? nfactor : MPT_ULTRA320; | |
4594 | } else { | |
4595 | pTarget->minSyncFactor = | |
4596 | nfactor > MPT_ULTRA160 ? nfactor : MPT_ULTRA160; | |
4597 | } | |
4598 | ||
4599 | dv.max.factor = pTarget->minSyncFactor; | |
4600 | ||
4601 | if ((pbuf1[56] & 0x02) == 0) { | |
4602 | pTarget->negoFlags |= MPT_TARGET_NO_NEGO_QAS; | |
4603 | hd->ioc->spi_data.noQas = MPT_TARGET_NO_NEGO_QAS; | |
4604 | ddvprintk((MYIOC_s_NOTE_FMT | |
4605 | "DV: Start Basic noQas on id=%d due to pbuf1[56]=%x\n", | |
4606 | ioc->name, id, pbuf1[56])); | |
4607 | } | |
4608 | } | |
4609 | } | |
4610 | ||
4611 | if (doFallback) | |
4612 | dv.cmd = MPT_FALLBACK; | |
4613 | else | |
4614 | dv.cmd = MPT_SET_MAX; | |
4615 | ||
4616 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
4617 | if (mpt_config(hd->ioc, &cfg) != 0) | |
4618 | goto target_done; | |
4619 | ||
4620 | if ((!dv.now.width) && (!dv.now.offset)) | |
4621 | goto target_done; | |
4622 | ||
4623 | iocmd.cmd = INQUIRY; | |
4624 | iocmd.data_dma = buf2_dma; | |
4625 | iocmd.data = pbuf2; | |
4626 | iocmd.size = sz; | |
4627 | memset(pbuf2, 0x00, sz); | |
4628 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4629 | goto target_done; | |
4630 | else if (hd->pLocal == NULL) | |
4631 | goto target_done; | |
4632 | else { | |
4633 | /* Save the return code. | |
4634 | * If this is the first pass, | |
4635 | * read SCSI Device Page 0 | |
4636 | * and update the target max parameters. | |
4637 | */ | |
4638 | rc = hd->pLocal->completion; | |
4639 | doFallback = 0; | |
4640 | if (rc == MPT_SCANDV_GOOD) { | |
4641 | if (!readPage0) { | |
4642 | u32 sdp0_info; | |
4643 | u32 sdp0_nego; | |
4644 | ||
4645 | cfg.hdr = &header0; | |
4646 | cfg.physAddr = cfg0_dma_addr; | |
4647 | cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT; | |
4648 | cfg.dir = 0; | |
4649 | ||
4650 | if (mpt_config(hd->ioc, &cfg) != 0) | |
4651 | goto target_done; | |
4652 | ||
4653 | sdp0_info = le32_to_cpu(pcfg0Data->Information) & 0x0E; | |
4654 | sdp0_nego = (le32_to_cpu(pcfg0Data->NegotiatedParameters) & 0xFF00 ) >> 8; | |
4655 | ||
4656 | /* Quantum and Fujitsu workarounds. | |
4657 | * Quantum: PPR U320 -> PPR reply with Ultra2 and wide | |
4658 | * Fujitsu: PPR U320 -> Msg Reject and Ultra2 and wide | |
4659 | * Resetart with a request for U160. | |
4660 | */ | |
4661 | if ((dv.now.factor == MPT_ULTRA320) && (sdp0_nego == MPT_ULTRA2)) { | |
4662 | doFallback = 1; | |
4663 | } else { | |
4664 | dv.cmd = MPT_UPDATE_MAX; | |
4665 | mptscsih_dv_parms(hd, &dv, (void *)pcfg0Data); | |
4666 | /* Update the SCSI device page 1 area | |
4667 | */ | |
4668 | pcfg1Data->RequestedParameters = pcfg0Data->NegotiatedParameters; | |
4669 | readPage0 = 1; | |
4670 | } | |
4671 | } | |
4672 | ||
4673 | /* Quantum workaround. Restart this test will the fallback | |
4674 | * flag set. | |
4675 | */ | |
4676 | if (doFallback == 0) { | |
4677 | if (memcmp(pbuf1, pbuf2, sz) != 0) { | |
4678 | if (!firstPass) | |
4679 | doFallback = 1; | |
4680 | } else { | |
4681 | ddvprintk((MYIOC_s_NOTE_FMT | |
4682 | "DV:Inquiry compared id=%d, calling initTarget\n", ioc->name, id)); | |
4683 | hd->ioc->spi_data.dvStatus[id] &= ~MPT_SCSICFG_DV_NOT_DONE; | |
4684 | mptscsih_initTarget(hd, | |
4685 | bus, | |
4686 | id, | |
4687 | lun, | |
4688 | pbuf1, | |
4689 | sz); | |
4690 | break; /* test complete */ | |
4691 | } | |
4692 | } | |
4693 | ||
4694 | ||
4695 | } else if (rc == MPT_SCANDV_ISSUE_SENSE) | |
4696 | doFallback = 1; /* set fallback flag */ | |
4697 | else if ((rc == MPT_SCANDV_DID_RESET) || | |
4698 | (rc == MPT_SCANDV_SENSE) || | |
4699 | (rc == MPT_SCANDV_FALLBACK)) | |
4700 | doFallback = 1; /* set fallback flag */ | |
4701 | else | |
4702 | goto target_done; | |
4703 | ||
4704 | firstPass = 0; | |
4705 | } | |
4706 | } | |
4707 | ddvprintk((MYIOC_s_NOTE_FMT "DV: Basic test on id=%d completed OK.\n", ioc->name, id)); | |
4708 | ||
0d0c7974 | 4709 | if (ioc->spi_data.mpt_dv == 0) |
1da177e4 LT |
4710 | goto target_done; |
4711 | ||
4712 | inq0 = (*pbuf1) & 0x1F; | |
4713 | ||
4714 | /* Continue only for disks | |
4715 | */ | |
4716 | if (inq0 != 0) | |
4717 | goto target_done; | |
4718 | ||
4719 | if ( ioc->spi_data.PortFlags == MPI_SCSIPORTPAGE2_PORT_FLAGS_BASIC_DV_ONLY ) | |
4720 | goto target_done; | |
4721 | ||
4722 | /* Start the Enhanced Test. | |
4723 | * 0) issue TUR to clear out check conditions | |
4724 | * 1) read capacity of echo (regular) buffer | |
4725 | * 2) reserve device | |
4726 | * 3) do write-read-compare data pattern test | |
4727 | * 4) release | |
4728 | * 5) update nego parms to target struct | |
4729 | */ | |
4730 | cfg.hdr = &header1; | |
4731 | cfg.physAddr = cfg1_dma_addr; | |
4732 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
4733 | cfg.dir = 1; | |
4734 | ||
4735 | iocmd.cmd = TEST_UNIT_READY; | |
4736 | iocmd.data_dma = -1; | |
4737 | iocmd.data = NULL; | |
4738 | iocmd.size = 0; | |
4739 | notDone = 1; | |
4740 | while (notDone) { | |
4741 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4742 | goto target_done; | |
4743 | ||
4744 | if (hd->pLocal == NULL) | |
4745 | goto target_done; | |
4746 | ||
4747 | rc = hd->pLocal->completion; | |
4748 | if (rc == MPT_SCANDV_GOOD) | |
4749 | notDone = 0; | |
4750 | else if (rc == MPT_SCANDV_SENSE) { | |
4751 | u8 skey = hd->pLocal->sense[2] & 0x0F; | |
4752 | u8 asc = hd->pLocal->sense[12]; | |
4753 | u8 ascq = hd->pLocal->sense[13]; | |
4754 | ddvprintk((MYIOC_s_INFO_FMT | |
4755 | "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", | |
4756 | ioc->name, skey, asc, ascq)); | |
4757 | ||
4758 | if (skey == UNIT_ATTENTION) | |
4759 | notDone++; /* repeat */ | |
4760 | else if ((skey == NOT_READY) && | |
4761 | (asc == 0x04)&&(ascq == 0x01)) { | |
4762 | /* wait then repeat */ | |
4763 | mdelay (2000); | |
4764 | notDone++; | |
4765 | } else if ((skey == NOT_READY) && (asc == 0x3A)) { | |
4766 | /* no medium, try read test anyway */ | |
4767 | notDone = 0; | |
4768 | } else { | |
4769 | /* All other errors are fatal. | |
4770 | */ | |
4771 | ddvprintk((MYIOC_s_INFO_FMT "DV: fatal error.", | |
4772 | ioc->name)); | |
4773 | goto target_done; | |
4774 | } | |
4775 | } else | |
4776 | goto target_done; | |
4777 | } | |
4778 | ||
4779 | iocmd.cmd = READ_BUFFER; | |
4780 | iocmd.data_dma = buf1_dma; | |
4781 | iocmd.data = pbuf1; | |
4782 | iocmd.size = 4; | |
4783 | iocmd.flags |= MPT_ICFLAG_BUF_CAP; | |
4784 | ||
4785 | dataBufSize = 0; | |
4786 | echoBufSize = 0; | |
4787 | for (patt = 0; patt < 2; patt++) { | |
4788 | if (patt == 0) | |
4789 | iocmd.flags |= MPT_ICFLAG_ECHO; | |
4790 | else | |
4791 | iocmd.flags &= ~MPT_ICFLAG_ECHO; | |
4792 | ||
4793 | notDone = 1; | |
4794 | while (notDone) { | |
4795 | bufsize = 0; | |
4796 | ||
4797 | /* If not ready after 8 trials, | |
4798 | * give up on this device. | |
4799 | */ | |
4800 | if (notDone > 8) | |
4801 | goto target_done; | |
4802 | ||
4803 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4804 | goto target_done; | |
4805 | else if (hd->pLocal == NULL) | |
4806 | goto target_done; | |
4807 | else { | |
4808 | rc = hd->pLocal->completion; | |
4809 | ddvprintk(("ReadBuffer Comp Code %d", rc)); | |
4810 | ddvprintk((" buff: %0x %0x %0x %0x\n", | |
4811 | pbuf1[0], pbuf1[1], pbuf1[2], pbuf1[3])); | |
4812 | ||
4813 | if (rc == MPT_SCANDV_GOOD) { | |
4814 | notDone = 0; | |
4815 | if (iocmd.flags & MPT_ICFLAG_ECHO) { | |
4816 | bufsize = ((pbuf1[2] & 0x1F) <<8) | pbuf1[3]; | |
4817 | } else { | |
4818 | bufsize = pbuf1[1]<<16 | pbuf1[2]<<8 | pbuf1[3]; | |
4819 | } | |
4820 | } else if (rc == MPT_SCANDV_SENSE) { | |
4821 | u8 skey = hd->pLocal->sense[2] & 0x0F; | |
4822 | u8 asc = hd->pLocal->sense[12]; | |
4823 | u8 ascq = hd->pLocal->sense[13]; | |
4824 | ddvprintk((MYIOC_s_INFO_FMT | |
4825 | "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", | |
4826 | ioc->name, skey, asc, ascq)); | |
4827 | if (skey == ILLEGAL_REQUEST) { | |
4828 | notDone = 0; | |
4829 | } else if (skey == UNIT_ATTENTION) { | |
4830 | notDone++; /* repeat */ | |
4831 | } else if ((skey == NOT_READY) && | |
4832 | (asc == 0x04)&&(ascq == 0x01)) { | |
4833 | /* wait then repeat */ | |
4834 | mdelay (2000); | |
4835 | notDone++; | |
4836 | } else { | |
4837 | /* All other errors are fatal. | |
4838 | */ | |
4839 | ddvprintk((MYIOC_s_INFO_FMT "DV: fatal error.", | |
4840 | ioc->name)); | |
4841 | goto target_done; | |
4842 | } | |
4843 | } else { | |
4844 | /* All other errors are fatal | |
4845 | */ | |
4846 | goto target_done; | |
4847 | } | |
4848 | } | |
4849 | } | |
4850 | ||
4851 | if (iocmd.flags & MPT_ICFLAG_ECHO) | |
4852 | echoBufSize = bufsize; | |
4853 | else | |
4854 | dataBufSize = bufsize; | |
4855 | } | |
4856 | sz = 0; | |
4857 | iocmd.flags &= ~MPT_ICFLAG_BUF_CAP; | |
4858 | ||
4859 | /* Use echo buffers if possible, | |
4860 | * Exit if both buffers are 0. | |
4861 | */ | |
4862 | if (echoBufSize > 0) { | |
4863 | iocmd.flags |= MPT_ICFLAG_ECHO; | |
4864 | if (dataBufSize > 0) | |
4865 | bufsize = min(echoBufSize, dataBufSize); | |
4866 | else | |
4867 | bufsize = echoBufSize; | |
4868 | } else if (dataBufSize == 0) | |
4869 | goto target_done; | |
4870 | ||
4871 | ddvprintk((MYIOC_s_INFO_FMT "%s Buffer Capacity %d\n", ioc->name, | |
4872 | (iocmd.flags & MPT_ICFLAG_ECHO) ? "Echo" : " ", bufsize)); | |
4873 | ||
4874 | /* Data buffers for write-read-compare test max 1K. | |
4875 | */ | |
4876 | sz = min(bufsize, 1024); | |
4877 | ||
4878 | /* --- loop ---- | |
4879 | * On first pass, always issue a reserve. | |
4880 | * On additional loops, only if a reset has occurred. | |
4881 | * iocmd.flags indicates if echo or regular buffer | |
4882 | */ | |
4883 | for (patt = 0; patt < 4; patt++) { | |
4884 | ddvprintk(("Pattern %d\n", patt)); | |
4885 | if ((iocmd.flags & MPT_ICFLAG_RESERVED) && (iocmd.flags & MPT_ICFLAG_DID_RESET)) { | |
4886 | iocmd.cmd = TEST_UNIT_READY; | |
4887 | iocmd.data_dma = -1; | |
4888 | iocmd.data = NULL; | |
4889 | iocmd.size = 0; | |
4890 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4891 | goto target_done; | |
4892 | ||
4893 | iocmd.cmd = RELEASE; | |
4894 | iocmd.data_dma = -1; | |
4895 | iocmd.data = NULL; | |
4896 | iocmd.size = 0; | |
4897 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4898 | goto target_done; | |
4899 | else if (hd->pLocal == NULL) | |
4900 | goto target_done; | |
4901 | else { | |
4902 | rc = hd->pLocal->completion; | |
4903 | ddvprintk(("Release rc %d\n", rc)); | |
4904 | if (rc == MPT_SCANDV_GOOD) | |
4905 | iocmd.flags &= ~MPT_ICFLAG_RESERVED; | |
4906 | else | |
4907 | goto target_done; | |
4908 | } | |
4909 | iocmd.flags &= ~MPT_ICFLAG_RESERVED; | |
4910 | } | |
4911 | iocmd.flags &= ~MPT_ICFLAG_DID_RESET; | |
4912 | ||
4913 | repeat = 5; | |
4914 | while (repeat && (!(iocmd.flags & MPT_ICFLAG_RESERVED))) { | |
4915 | iocmd.cmd = RESERVE; | |
4916 | iocmd.data_dma = -1; | |
4917 | iocmd.data = NULL; | |
4918 | iocmd.size = 0; | |
4919 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4920 | goto target_done; | |
4921 | else if (hd->pLocal == NULL) | |
4922 | goto target_done; | |
4923 | else { | |
4924 | rc = hd->pLocal->completion; | |
4925 | if (rc == MPT_SCANDV_GOOD) { | |
4926 | iocmd.flags |= MPT_ICFLAG_RESERVED; | |
4927 | } else if (rc == MPT_SCANDV_SENSE) { | |
4928 | /* Wait if coming ready | |
4929 | */ | |
4930 | u8 skey = hd->pLocal->sense[2] & 0x0F; | |
4931 | u8 asc = hd->pLocal->sense[12]; | |
4932 | u8 ascq = hd->pLocal->sense[13]; | |
4933 | ddvprintk((MYIOC_s_INFO_FMT | |
4934 | "DV: Reserve Failed: ", ioc->name)); | |
4935 | ddvprintk(("SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", | |
4936 | skey, asc, ascq)); | |
4937 | ||
4938 | if ((skey == NOT_READY) && (asc == 0x04)&& | |
4939 | (ascq == 0x01)) { | |
4940 | /* wait then repeat */ | |
4941 | mdelay (2000); | |
4942 | notDone++; | |
4943 | } else { | |
4944 | ddvprintk((MYIOC_s_INFO_FMT | |
4945 | "DV: Reserved Failed.", ioc->name)); | |
4946 | goto target_done; | |
4947 | } | |
4948 | } else { | |
4949 | ddvprintk((MYIOC_s_INFO_FMT "DV: Reserved Failed.", | |
4950 | ioc->name)); | |
4951 | goto target_done; | |
4952 | } | |
4953 | } | |
4954 | } | |
4955 | ||
4956 | mptscsih_fillbuf(pbuf1, sz, patt, 1); | |
4957 | iocmd.cmd = WRITE_BUFFER; | |
4958 | iocmd.data_dma = buf1_dma; | |
4959 | iocmd.data = pbuf1; | |
4960 | iocmd.size = sz; | |
4961 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
4962 | goto target_done; | |
4963 | else if (hd->pLocal == NULL) | |
4964 | goto target_done; | |
4965 | else { | |
4966 | rc = hd->pLocal->completion; | |
4967 | if (rc == MPT_SCANDV_GOOD) | |
4968 | ; /* Issue read buffer */ | |
4969 | else if (rc == MPT_SCANDV_DID_RESET) { | |
4970 | /* If using echo buffers, reset to data buffers. | |
4971 | * Else do Fallback and restart | |
4972 | * this test (re-issue reserve | |
4973 | * because of bus reset). | |
4974 | */ | |
4975 | if ((iocmd.flags & MPT_ICFLAG_ECHO) && (dataBufSize >= bufsize)) { | |
4976 | iocmd.flags &= ~MPT_ICFLAG_ECHO; | |
4977 | } else { | |
4978 | dv.cmd = MPT_FALLBACK; | |
4979 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
4980 | ||
4981 | if (mpt_config(hd->ioc, &cfg) != 0) | |
4982 | goto target_done; | |
4983 | ||
4984 | if ((!dv.now.width) && (!dv.now.offset)) | |
4985 | goto target_done; | |
4986 | } | |
4987 | ||
4988 | iocmd.flags |= MPT_ICFLAG_DID_RESET; | |
4989 | patt = -1; | |
4990 | continue; | |
4991 | } else if (rc == MPT_SCANDV_SENSE) { | |
4992 | /* Restart data test if UA, else quit. | |
4993 | */ | |
4994 | u8 skey = hd->pLocal->sense[2] & 0x0F; | |
4995 | ddvprintk((MYIOC_s_INFO_FMT | |
4996 | "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", ioc->name, skey, | |
4997 | hd->pLocal->sense[12], hd->pLocal->sense[13])); | |
4998 | if (skey == UNIT_ATTENTION) { | |
4999 | patt = -1; | |
5000 | continue; | |
5001 | } else if (skey == ILLEGAL_REQUEST) { | |
5002 | if (iocmd.flags & MPT_ICFLAG_ECHO) { | |
5003 | if (dataBufSize >= bufsize) { | |
5004 | iocmd.flags &= ~MPT_ICFLAG_ECHO; | |
5005 | patt = -1; | |
5006 | continue; | |
5007 | } | |
5008 | } | |
5009 | goto target_done; | |
5010 | } | |
5011 | else | |
5012 | goto target_done; | |
5013 | } else { | |
5014 | /* fatal error */ | |
5015 | goto target_done; | |
5016 | } | |
5017 | } | |
5018 | ||
5019 | iocmd.cmd = READ_BUFFER; | |
5020 | iocmd.data_dma = buf2_dma; | |
5021 | iocmd.data = pbuf2; | |
5022 | iocmd.size = sz; | |
5023 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
5024 | goto target_done; | |
5025 | else if (hd->pLocal == NULL) | |
5026 | goto target_done; | |
5027 | else { | |
5028 | rc = hd->pLocal->completion; | |
5029 | if (rc == MPT_SCANDV_GOOD) { | |
5030 | /* If buffers compare, | |
5031 | * go to next pattern, | |
5032 | * else, do a fallback and restart | |
5033 | * data transfer test. | |
5034 | */ | |
5035 | if (memcmp (pbuf1, pbuf2, sz) == 0) { | |
5036 | ; /* goto next pattern */ | |
5037 | } else { | |
5038 | /* Miscompare with Echo buffer, go to data buffer, | |
5039 | * if that buffer exists. | |
5040 | * Miscompare with Data buffer, check first 4 bytes, | |
5041 | * some devices return capacity. Exit in this case. | |
5042 | */ | |
5043 | if (iocmd.flags & MPT_ICFLAG_ECHO) { | |
5044 | if (dataBufSize >= bufsize) | |
5045 | iocmd.flags &= ~MPT_ICFLAG_ECHO; | |
5046 | else | |
5047 | goto target_done; | |
5048 | } else { | |
5049 | if (dataBufSize == (pbuf2[1]<<16 | pbuf2[2]<<8 | pbuf2[3])) { | |
5050 | /* Argh. Device returning wrong data. | |
5051 | * Quit DV for this device. | |
5052 | */ | |
5053 | goto target_done; | |
5054 | } | |
5055 | ||
5056 | /* Had an actual miscompare. Slow down.*/ | |
5057 | dv.cmd = MPT_FALLBACK; | |
5058 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
5059 | ||
5060 | if (mpt_config(hd->ioc, &cfg) != 0) | |
5061 | goto target_done; | |
5062 | ||
5063 | if ((!dv.now.width) && (!dv.now.offset)) | |
5064 | goto target_done; | |
5065 | } | |
5066 | ||
5067 | patt = -1; | |
5068 | continue; | |
5069 | } | |
5070 | } else if (rc == MPT_SCANDV_DID_RESET) { | |
5071 | /* Do Fallback and restart | |
5072 | * this test (re-issue reserve | |
5073 | * because of bus reset). | |
5074 | */ | |
5075 | dv.cmd = MPT_FALLBACK; | |
5076 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
5077 | ||
5078 | if (mpt_config(hd->ioc, &cfg) != 0) | |
5079 | goto target_done; | |
5080 | ||
5081 | if ((!dv.now.width) && (!dv.now.offset)) | |
5082 | goto target_done; | |
5083 | ||
5084 | iocmd.flags |= MPT_ICFLAG_DID_RESET; | |
5085 | patt = -1; | |
5086 | continue; | |
5087 | } else if (rc == MPT_SCANDV_SENSE) { | |
5088 | /* Restart data test if UA, else quit. | |
5089 | */ | |
5090 | u8 skey = hd->pLocal->sense[2] & 0x0F; | |
5091 | ddvprintk((MYIOC_s_INFO_FMT | |
5092 | "SenseKey:ASC:ASCQ = (%x:%02x:%02x)\n", ioc->name, skey, | |
5093 | hd->pLocal->sense[12], hd->pLocal->sense[13])); | |
5094 | if (skey == UNIT_ATTENTION) { | |
5095 | patt = -1; | |
5096 | continue; | |
5097 | } | |
5098 | else | |
5099 | goto target_done; | |
5100 | } else { | |
5101 | /* fatal error */ | |
5102 | goto target_done; | |
5103 | } | |
5104 | } | |
5105 | ||
5106 | } /* --- end of patt loop ---- */ | |
5107 | ||
5108 | target_done: | |
5109 | if (iocmd.flags & MPT_ICFLAG_RESERVED) { | |
5110 | iocmd.cmd = RELEASE; | |
5111 | iocmd.data_dma = -1; | |
5112 | iocmd.data = NULL; | |
5113 | iocmd.size = 0; | |
5114 | if (mptscsih_do_cmd(hd, &iocmd) < 0) | |
5115 | printk(MYIOC_s_INFO_FMT "DV: Release failed. id %d", | |
5116 | ioc->name, id); | |
5117 | else if (hd->pLocal) { | |
5118 | if (hd->pLocal->completion == MPT_SCANDV_GOOD) | |
5119 | iocmd.flags &= ~MPT_ICFLAG_RESERVED; | |
5120 | } else { | |
5121 | printk(MYIOC_s_INFO_FMT "DV: Release failed. id %d", | |
5122 | ioc->name, id); | |
5123 | } | |
5124 | } | |
5125 | ||
5126 | ||
5127 | /* Set if cfg1_dma_addr contents is valid | |
5128 | */ | |
5129 | if ((cfg.hdr != NULL) && (retcode == 0)){ | |
5130 | /* If disk, not U320, disable QAS | |
5131 | */ | |
5132 | if ((inq0 == 0) && (dv.now.factor > MPT_ULTRA320)) { | |
5133 | hd->ioc->spi_data.noQas = MPT_TARGET_NO_NEGO_QAS; | |
5134 | ddvprintk((MYIOC_s_NOTE_FMT | |
5135 | "noQas set due to id=%d has factor=%x\n", ioc->name, id, dv.now.factor)); | |
5136 | } | |
5137 | ||
5138 | dv.cmd = MPT_SAVE; | |
5139 | mptscsih_dv_parms(hd, &dv, (void *)pcfg1Data); | |
5140 | ||
5141 | /* Double writes to SDP1 can cause problems, | |
5142 | * skip save of the final negotiated settings to | |
5143 | * SCSI device page 1. | |
5144 | * | |
5145 | cfg.hdr = &header1; | |
5146 | cfg.physAddr = cfg1_dma_addr; | |
5147 | cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT; | |
5148 | cfg.dir = 1; | |
5149 | mpt_config(hd->ioc, &cfg); | |
5150 | */ | |
5151 | } | |
5152 | ||
5153 | /* If this is a RAID Passthrough, enable internal IOs | |
5154 | */ | |
5155 | if (iocmd.flags & MPT_ICFLAG_PHYS_DISK) { | |
5156 | if (mptscsih_do_raid(hd, MPI_RAID_ACTION_ENABLE_PHYS_IO, &iocmd) < 0) | |
5157 | ddvprintk((MYIOC_s_ERR_FMT "RAID Enable FAILED!\n", ioc->name)); | |
5158 | } | |
5159 | ||
5160 | /* Done with the DV scan of the current target | |
5161 | */ | |
5162 | if (pDvBuf) | |
5163 | pci_free_consistent(ioc->pcidev, dv_alloc, pDvBuf, dvbuf_dma); | |
5164 | ||
5165 | ddvtprintk((MYIOC_s_INFO_FMT "DV Done id=%d\n", | |
5166 | ioc->name, id)); | |
5167 | ||
5168 | return retcode; | |
5169 | } | |
5170 | ||
5171 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
5172 | /* mptscsih_dv_parms - perform a variety of operations on the | |
5173 | * parameters used for negotiation. | |
5174 | * @hd: Pointer to a SCSI host. | |
5175 | * @dv: Pointer to a structure that contains the maximum and current | |
5176 | * negotiated parameters. | |
5177 | */ | |
5178 | static void | |
5179 | mptscsih_dv_parms(MPT_SCSI_HOST *hd, DVPARAMETERS *dv,void *pPage) | |
5180 | { | |
5181 | VirtDevice *pTarget; | |
5182 | SCSIDevicePage0_t *pPage0; | |
5183 | SCSIDevicePage1_t *pPage1; | |
5184 | int val = 0, data, configuration; | |
5185 | u8 width = 0; | |
5186 | u8 offset = 0; | |
5187 | u8 factor = 0; | |
5188 | u8 negoFlags = 0; | |
5189 | u8 cmd = dv->cmd; | |
5190 | u8 id = dv->id; | |
5191 | ||
5192 | switch (cmd) { | |
5193 | case MPT_GET_NVRAM_VALS: | |
5194 | ddvprintk((MYIOC_s_NOTE_FMT "Getting NVRAM: ", | |
5195 | hd->ioc->name)); | |
5196 | /* Get the NVRAM values and save in tmax | |
5197 | * If not an LVD bus, the adapter minSyncFactor has been | |
5198 | * already throttled back. | |
5199 | */ | |
5200 | if ((hd->Targets)&&((pTarget = hd->Targets[(int)id]) != NULL) && !pTarget->raidVolume) { | |
5201 | width = pTarget->maxWidth; | |
5202 | offset = pTarget->maxOffset; | |
5203 | factor = pTarget->minSyncFactor; | |
5204 | negoFlags = pTarget->negoFlags; | |
5205 | } else { | |
5206 | if (hd->ioc->spi_data.nvram && (hd->ioc->spi_data.nvram[id] != MPT_HOST_NVRAM_INVALID)) { | |
5207 | data = hd->ioc->spi_data.nvram[id]; | |
5208 | width = data & MPT_NVRAM_WIDE_DISABLE ? 0 : 1; | |
5209 | if ((offset = hd->ioc->spi_data.maxSyncOffset) == 0) | |
5210 | factor = MPT_ASYNC; | |
5211 | else { | |
5212 | factor = (data & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT; | |
5213 | if ((factor == 0) || (factor == MPT_ASYNC)){ | |
5214 | factor = MPT_ASYNC; | |
5215 | offset = 0; | |
5216 | } | |
5217 | } | |
5218 | } else { | |
5219 | width = MPT_NARROW; | |
5220 | offset = 0; | |
5221 | factor = MPT_ASYNC; | |
5222 | } | |
5223 | ||
5224 | /* Set the negotiation flags */ | |
5225 | negoFlags = hd->ioc->spi_data.noQas; | |
5226 | if (!width) | |
5227 | negoFlags |= MPT_TARGET_NO_NEGO_WIDE; | |
5228 | ||
5229 | if (!offset) | |
5230 | negoFlags |= MPT_TARGET_NO_NEGO_SYNC; | |
5231 | } | |
5232 | ||
5233 | /* limit by adapter capabilities */ | |
5234 | width = min(width, hd->ioc->spi_data.maxBusWidth); | |
5235 | offset = min(offset, hd->ioc->spi_data.maxSyncOffset); | |
5236 | factor = max(factor, hd->ioc->spi_data.minSyncFactor); | |
5237 | ||
5238 | /* Check Consistency */ | |
5239 | if (offset && (factor < MPT_ULTRA2) && !width) | |
5240 | factor = MPT_ULTRA2; | |
5241 | ||
5242 | dv->max.width = width; | |
5243 | dv->max.offset = offset; | |
5244 | dv->max.factor = factor; | |
5245 | dv->max.flags = negoFlags; | |
5246 | ddvprintk((" id=%d width=%d factor=%x offset=%x flags=%x\n", | |
5247 | id, width, factor, offset, negoFlags)); | |
5248 | break; | |
5249 | ||
5250 | case MPT_UPDATE_MAX: | |
5251 | ddvprintk((MYIOC_s_NOTE_FMT | |
5252 | "Updating with SDP0 Data: ", hd->ioc->name)); | |
5253 | /* Update tmax values with those from Device Page 0.*/ | |
5254 | pPage0 = (SCSIDevicePage0_t *) pPage; | |
5255 | if (pPage0) { | |
5256 | val = cpu_to_le32(pPage0->NegotiatedParameters); | |
5257 | dv->max.width = val & MPI_SCSIDEVPAGE0_NP_WIDE ? 1 : 0; | |
5258 | dv->max.offset = (val&MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> 16; | |
5259 | dv->max.factor = (val&MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> 8; | |
5260 | } | |
5261 | ||
5262 | dv->now.width = dv->max.width; | |
5263 | dv->now.offset = dv->max.offset; | |
5264 | dv->now.factor = dv->max.factor; | |
5265 | ddvprintk(("id=%d width=%d factor=%x offset=%x flags=%x\n", | |
5266 | id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags)); | |
5267 | break; | |
5268 | ||
5269 | case MPT_SET_MAX: | |
5270 | ddvprintk((MYIOC_s_NOTE_FMT "Setting Max: ", | |
5271 | hd->ioc->name)); | |
5272 | /* Set current to the max values. Update the config page.*/ | |
5273 | dv->now.width = dv->max.width; | |
5274 | dv->now.offset = dv->max.offset; | |
5275 | dv->now.factor = dv->max.factor; | |
5276 | dv->now.flags = dv->max.flags; | |
5277 | ||
5278 | pPage1 = (SCSIDevicePage1_t *)pPage; | |
5279 | if (pPage1) { | |
5280 | mptscsih_setDevicePage1Flags (dv->now.width, dv->now.factor, | |
5281 | dv->now.offset, &val, &configuration, dv->now.flags); | |
5282 | dnegoprintk(("Setting Max: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n", | |
5283 | id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags, val, configuration)); | |
5284 | pPage1->RequestedParameters = le32_to_cpu(val); | |
5285 | pPage1->Reserved = 0; | |
5286 | pPage1->Configuration = le32_to_cpu(configuration); | |
5287 | } | |
5288 | ||
5289 | ddvprintk(("id=%d width=%d factor=%x offset=%x flags=%x request=%x configuration=%x\n", | |
5290 | id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags, val, configuration)); | |
5291 | break; | |
5292 | ||
5293 | case MPT_SET_MIN: | |
5294 | ddvprintk((MYIOC_s_NOTE_FMT "Setting Min: ", | |
5295 | hd->ioc->name)); | |
5296 | /* Set page to asynchronous and narrow | |
5297 | * Do not update now, breaks fallback routine. */ | |
5298 | width = MPT_NARROW; | |
5299 | offset = 0; | |
5300 | factor = MPT_ASYNC; | |
5301 | negoFlags = dv->max.flags; | |
5302 | ||
5303 | pPage1 = (SCSIDevicePage1_t *)pPage; | |
5304 | if (pPage1) { | |
5305 | mptscsih_setDevicePage1Flags (width, factor, | |
5306 | offset, &val, &configuration, negoFlags); | |
5307 | dnegoprintk(("Setting Min: id=%d width=%d factor=%x offset=%x negoFlags=%x request=%x config=%x\n", | |
5308 | id, width, factor, offset, negoFlags, val, configuration)); | |
5309 | pPage1->RequestedParameters = le32_to_cpu(val); | |
5310 | pPage1->Reserved = 0; | |
5311 | pPage1->Configuration = le32_to_cpu(configuration); | |
5312 | } | |
5313 | ddvprintk(("id=%d width=%d factor=%x offset=%x request=%x config=%x negoFlags=%x\n", | |
5314 | id, width, factor, offset, val, configuration, negoFlags)); | |
5315 | break; | |
5316 | ||
5317 | case MPT_FALLBACK: | |
5318 | ddvprintk((MYIOC_s_NOTE_FMT | |
5319 | "Fallback: Start: offset %d, factor %x, width %d \n", | |
5320 | hd->ioc->name, dv->now.offset, | |
5321 | dv->now.factor, dv->now.width)); | |
5322 | width = dv->now.width; | |
5323 | offset = dv->now.offset; | |
5324 | factor = dv->now.factor; | |
5325 | if ((offset) && (dv->max.width)) { | |
5326 | if (factor < MPT_ULTRA160) | |
5327 | factor = MPT_ULTRA160; | |
5328 | else if (factor < MPT_ULTRA2) { | |
5329 | factor = MPT_ULTRA2; | |
5330 | width = MPT_WIDE; | |
5331 | } else if ((factor == MPT_ULTRA2) && width) { | |
5332 | factor = MPT_ULTRA2; | |
5333 | width = MPT_NARROW; | |
5334 | } else if (factor < MPT_ULTRA) { | |
5335 | factor = MPT_ULTRA; | |
5336 | width = MPT_WIDE; | |
5337 | } else if ((factor == MPT_ULTRA) && width) { | |
5338 | width = MPT_NARROW; | |
5339 | } else if (factor < MPT_FAST) { | |
5340 | factor = MPT_FAST; | |
5341 | width = MPT_WIDE; | |
5342 | } else if ((factor == MPT_FAST) && width) { | |
5343 | factor = MPT_FAST; | |
5344 | width = MPT_NARROW; | |
5345 | } else if (factor < MPT_SCSI) { | |
5346 | factor = MPT_SCSI; | |
5347 | width = MPT_WIDE; | |
5348 | } else if ((factor == MPT_SCSI) && width) { | |
5349 | factor = MPT_SCSI; | |
5350 | width = MPT_NARROW; | |
5351 | } else { | |
5352 | factor = MPT_ASYNC; | |
5353 | offset = 0; | |
5354 | } | |
5355 | ||
5356 | } else if (offset) { | |
5357 | width = MPT_NARROW; | |
5358 | if (factor < MPT_ULTRA) | |
5359 | factor = MPT_ULTRA; | |
5360 | else if (factor < MPT_FAST) | |
5361 | factor = MPT_FAST; | |
5362 | else if (factor < MPT_SCSI) | |
5363 | factor = MPT_SCSI; | |
5364 | else { | |
5365 | factor = MPT_ASYNC; | |
5366 | offset = 0; | |
5367 | } | |
5368 | ||
5369 | } else { | |
5370 | width = MPT_NARROW; | |
5371 | factor = MPT_ASYNC; | |
5372 | } | |
5373 | dv->max.flags |= MPT_TARGET_NO_NEGO_QAS; | |
5374 | dv->max.flags &= ~MPT_TAPE_NEGO_IDP; | |
5375 | ||
5376 | dv->now.width = width; | |
5377 | dv->now.offset = offset; | |
5378 | dv->now.factor = factor; | |
5379 | dv->now.flags = dv->max.flags; | |
5380 | ||
5381 | pPage1 = (SCSIDevicePage1_t *)pPage; | |
5382 | if (pPage1) { | |
5383 | mptscsih_setDevicePage1Flags (width, factor, offset, &val, | |
5384 | &configuration, dv->now.flags); | |
5385 | dnegoprintk(("Finish: id=%d width=%d offset=%d factor=%x flags=%x request=%x config=%x\n", | |
5386 | id, width, offset, factor, dv->now.flags, val, configuration)); | |
5387 | ||
5388 | pPage1->RequestedParameters = le32_to_cpu(val); | |
5389 | pPage1->Reserved = 0; | |
5390 | pPage1->Configuration = le32_to_cpu(configuration); | |
5391 | } | |
5392 | ||
5393 | ddvprintk(("Finish: id=%d offset=%d factor=%x width=%d request=%x config=%x\n", | |
5394 | id, dv->now.offset, dv->now.factor, dv->now.width, val, configuration)); | |
5395 | break; | |
5396 | ||
5397 | case MPT_SAVE: | |
5398 | ddvprintk((MYIOC_s_NOTE_FMT | |
5399 | "Saving to Target structure: ", hd->ioc->name)); | |
5400 | ddvprintk(("id=%d width=%x factor=%x offset=%d flags=%x\n", | |
5401 | id, dv->now.width, dv->now.factor, dv->now.offset, dv->now.flags)); | |
5402 | ||
5403 | /* Save these values to target structures | |
5404 | * or overwrite nvram (phys disks only). | |
5405 | */ | |
5406 | ||
5407 | if ((hd->Targets)&&((pTarget = hd->Targets[(int)id]) != NULL) && !pTarget->raidVolume ) { | |
5408 | pTarget->maxWidth = dv->now.width; | |
5409 | pTarget->maxOffset = dv->now.offset; | |
5410 | pTarget->minSyncFactor = dv->now.factor; | |
5411 | pTarget->negoFlags = dv->now.flags; | |
5412 | } else { | |
5413 | /* Preserv all flags, use | |
5414 | * read-modify-write algorithm | |
5415 | */ | |
5416 | if (hd->ioc->spi_data.nvram) { | |
5417 | data = hd->ioc->spi_data.nvram[id]; | |
5418 | ||
5419 | if (dv->now.width) | |
5420 | data &= ~MPT_NVRAM_WIDE_DISABLE; | |
5421 | else | |
5422 | data |= MPT_NVRAM_WIDE_DISABLE; | |
5423 | ||
5424 | if (!dv->now.offset) | |
5425 | factor = MPT_ASYNC; | |
5426 | ||
5427 | data &= ~MPT_NVRAM_SYNC_MASK; | |
5428 | data |= (dv->now.factor << MPT_NVRAM_SYNC_SHIFT) & MPT_NVRAM_SYNC_MASK; | |
5429 | ||
5430 | hd->ioc->spi_data.nvram[id] = data; | |
5431 | } | |
5432 | } | |
5433 | break; | |
5434 | } | |
5435 | } | |
5436 | ||
5437 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ | |
5438 | /* mptscsih_fillbuf - fill a buffer with a special data pattern | |
5439 | * cleanup. For bus scan only. | |
5440 | * | |
5441 | * @buffer: Pointer to data buffer to be filled. | |
5442 | * @size: Number of bytes to fill | |
5443 | * @index: Pattern index | |
5444 | * @width: bus width, 0 (8 bits) or 1 (16 bits) | |
5445 | */ | |
5446 | static void | |
5447 | mptscsih_fillbuf(char *buffer, int size, int index, int width) | |
5448 | { | |
5449 | char *ptr = buffer; | |
5450 | int ii; | |
5451 | char byte; | |
5452 | short val; | |
5453 | ||
5454 | switch (index) { | |
5455 | case 0: | |
5456 | ||
5457 | if (width) { | |
5458 | /* Pattern: 0000 FFFF 0000 FFFF | |
5459 | */ | |
5460 | for (ii=0; ii < size; ii++, ptr++) { | |
5461 | if (ii & 0x02) | |
5462 | *ptr = 0xFF; | |
5463 | else | |
5464 | *ptr = 0x00; | |
5465 | } | |
5466 | } else { | |
5467 | /* Pattern: 00 FF 00 FF | |
5468 | */ | |
5469 | for (ii=0; ii < size; ii++, ptr++) { | |
5470 | if (ii & 0x01) | |
5471 | *ptr = 0xFF; | |
5472 | else | |
5473 | *ptr = 0x00; | |
5474 | } | |
5475 | } | |
5476 | break; | |
5477 | ||
5478 | case 1: | |
5479 | if (width) { | |
5480 | /* Pattern: 5555 AAAA 5555 AAAA 5555 | |
5481 | */ | |
5482 | for (ii=0; ii < size; ii++, ptr++) { | |
5483 | if (ii & 0x02) | |
5484 | *ptr = 0xAA; | |
5485 | else | |
5486 | *ptr = 0x55; | |
5487 | } | |
5488 | } else { | |
5489 | /* Pattern: 55 AA 55 AA 55 | |
5490 | */ | |
5491 | for (ii=0; ii < size; ii++, ptr++) { | |
5492 | if (ii & 0x01) | |
5493 | *ptr = 0xAA; | |
5494 | else | |
5495 | *ptr = 0x55; | |
5496 | } | |
5497 | } | |
5498 | break; | |
5499 | ||
5500 | case 2: | |
5501 | /* Pattern: 00 01 02 03 04 05 | |
5502 | * ... FE FF 00 01.. | |
5503 | */ | |
5504 | for (ii=0; ii < size; ii++, ptr++) | |
5505 | *ptr = (char) ii; | |
5506 | break; | |
5507 | ||
5508 | case 3: | |
5509 | if (width) { | |
5510 | /* Wide Pattern: FFFE 0001 FFFD 0002 | |
5511 | * ... 4000 DFFF 8000 EFFF | |
5512 | */ | |
5513 | byte = 0; | |
5514 | for (ii=0; ii < size/2; ii++) { | |
5515 | /* Create the base pattern | |
5516 | */ | |
5517 | val = (1 << byte); | |
5518 | /* every 64 (0x40) bytes flip the pattern | |
5519 | * since we fill 2 bytes / iteration, | |
5520 | * test for ii = 0x20 | |
5521 | */ | |
5522 | if (ii & 0x20) | |
5523 | val = ~(val); | |
5524 | ||
5525 | if (ii & 0x01) { | |
5526 | *ptr = (char)( (val & 0xFF00) >> 8); | |
5527 | ptr++; | |
5528 | *ptr = (char)(val & 0xFF); | |
5529 | byte++; | |
5530 | byte &= 0x0F; | |
5531 | } else { | |
5532 | val = ~val; | |
5533 | *ptr = (char)( (val & 0xFF00) >> 8); | |
5534 | ptr++; | |
5535 | *ptr = (char)(val & 0xFF); | |
5536 | } | |
5537 | ||
5538 | ptr++; | |
5539 | } | |
5540 | } else { | |
5541 | /* Narrow Pattern: FE 01 FD 02 FB 04 | |
5542 | * .. 7F 80 01 FE 02 FD ... 80 7F | |
5543 | */ | |
5544 | byte = 0; | |
5545 | for (ii=0; ii < size; ii++, ptr++) { | |
5546 | /* Base pattern - first 32 bytes | |
5547 | */ | |
5548 | if (ii & 0x01) { | |
5549 | *ptr = (1 << byte); | |
5550 | byte++; | |
5551 | byte &= 0x07; | |
5552 | } else { | |
5553 | *ptr = (char) (~(1 << byte)); | |
5554 | } | |
5555 | ||
5556 | /* Flip the pattern every 32 bytes | |
5557 | */ | |
5558 | if (ii & 0x20) | |
5559 | *ptr = ~(*ptr); | |
5560 | } | |
5561 | } | |
5562 | break; | |
5563 | } | |
5564 | } | |
5565 | #endif /* ~MPTSCSIH_ENABLE_DOMAIN_VALIDATION */ | |
5566 | ||
0d0c7974 MED |
5567 | EXPORT_SYMBOL(mptscsih_remove); |
5568 | EXPORT_SYMBOL(mptscsih_shutdown); | |
5569 | #ifdef CONFIG_PM | |
5570 | EXPORT_SYMBOL(mptscsih_suspend); | |
5571 | EXPORT_SYMBOL(mptscsih_resume); | |
5572 | #endif | |
5573 | EXPORT_SYMBOL(mptscsih_proc_info); | |
5574 | EXPORT_SYMBOL(mptscsih_info); | |
5575 | EXPORT_SYMBOL(mptscsih_qcmd); | |
5576 | EXPORT_SYMBOL(mptscsih_slave_alloc); | |
5577 | EXPORT_SYMBOL(mptscsih_slave_destroy); | |
5578 | EXPORT_SYMBOL(mptscsih_slave_configure); | |
5579 | EXPORT_SYMBOL(mptscsih_abort); | |
5580 | EXPORT_SYMBOL(mptscsih_dev_reset); | |
5581 | EXPORT_SYMBOL(mptscsih_bus_reset); | |
5582 | EXPORT_SYMBOL(mptscsih_host_reset); | |
5583 | EXPORT_SYMBOL(mptscsih_bios_param); | |
5584 | EXPORT_SYMBOL(mptscsih_io_done); | |
5585 | EXPORT_SYMBOL(mptscsih_taskmgmt_complete); | |
5586 | EXPORT_SYMBOL(mptscsih_scandv_complete); | |
5587 | EXPORT_SYMBOL(mptscsih_event_process); | |
5588 | EXPORT_SYMBOL(mptscsih_ioc_reset); | |
5589 | EXPORT_SYMBOL(mptscsih_store_queue_depth); | |
5590 | EXPORT_SYMBOL(mptscsih_timer_expired); | |
1da177e4 | 5591 | |
0d0c7974 | 5592 | /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ |