1 /*
2  * This module provides common API for accessing firmware configuration pages
3  *
4  * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
5  * Copyright (C) 2007-2010  LSI Corporation
6  *  (mailto:DL-MPTFusionLinux@lsi.com)
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License
10  * as published by the Free Software Foundation; either version 2
11  * of the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * NO WARRANTY
19  * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
20  * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
21  * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
22  * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
23  * solely responsible for determining the appropriateness of using and
24  * distributing the Program and assumes all risks associated with its
25  * exercise of rights under this Agreement, including but not limited to
26  * the risks and costs of program errors, damage to or loss of data,
27  * programs or equipment, and unavailability or interruption of operations.
28 
29  * DISCLAIMER OF LIABILITY
30  * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
31  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
33  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
35  * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
36  * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
37 
38  * You should have received a copy of the GNU General Public License
39  * along with this program; if not, write to the Free Software
40  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
41  * USA.
42  */
43 
44 #include <linux/version.h>
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/slab.h>
55 
56 #include "mpt2sas_base.h"
57 
58 /* local definitions */
59 
60 /* Timeout for config page request (in seconds) */
61 #define MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT 15
62 
63 /* Common sgl flags for READING a config page. */
64 #define MPT2_CONFIG_COMMON_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
65     MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
66     | MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT)
67 
68 /* Common sgl flags for WRITING a config page. */
69 #define MPT2_CONFIG_COMMON_WRITE_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
70     MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
71     | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC) \
72     << MPI2_SGE_FLAGS_SHIFT)
73 
74 /**
75  * struct config_request - obtain dma memory via routine
76  * @sz: size
77  * @page: virt pointer
78  * @page_dma: phys pointer
79  *
80  */
81 struct config_request{
82 	u16			sz;
83 	void			*page;
84 	dma_addr_t		page_dma;
85 };
86 
87 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
88 /**
89  * _config_display_some_debug - debug routine
90  * @ioc: per adapter object
91  * @smid: system request message index
92  * @calling_function_name: string pass from calling function
93  * @mpi_reply: reply message frame
94  * Context: none.
95  *
96  * Function for displaying debug info helpful when debugging issues
97  * in this module.
98  */
99 static void
_config_display_some_debug(struct MPT2SAS_ADAPTER * ioc,u16 smid,char * calling_function_name,MPI2DefaultReply_t * mpi_reply)100 _config_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
101     char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
102 {
103 	Mpi2ConfigRequest_t *mpi_request;
104 	char *desc = NULL;
105 
106 	if (!(ioc->logging_level & MPT_DEBUG_CONFIG))
107 		return;
108 
109 	mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
110 	switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) {
111 	case MPI2_CONFIG_PAGETYPE_IO_UNIT:
112 		desc = "io_unit";
113 		break;
114 	case MPI2_CONFIG_PAGETYPE_IOC:
115 		desc = "ioc";
116 		break;
117 	case MPI2_CONFIG_PAGETYPE_BIOS:
118 		desc = "bios";
119 		break;
120 	case MPI2_CONFIG_PAGETYPE_RAID_VOLUME:
121 		desc = "raid_volume";
122 		break;
123 	case MPI2_CONFIG_PAGETYPE_MANUFACTURING:
124 		desc = "manufaucturing";
125 		break;
126 	case MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK:
127 		desc = "physdisk";
128 		break;
129 	case MPI2_CONFIG_PAGETYPE_EXTENDED:
130 		switch (mpi_request->ExtPageType) {
131 		case MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT:
132 			desc = "sas_io_unit";
133 			break;
134 		case MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER:
135 			desc = "sas_expander";
136 			break;
137 		case MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE:
138 			desc = "sas_device";
139 			break;
140 		case MPI2_CONFIG_EXTPAGETYPE_SAS_PHY:
141 			desc = "sas_phy";
142 			break;
143 		case MPI2_CONFIG_EXTPAGETYPE_LOG:
144 			desc = "log";
145 			break;
146 		case MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE:
147 			desc = "enclosure";
148 			break;
149 		case MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG:
150 			desc = "raid_config";
151 			break;
152 		case MPI2_CONFIG_EXTPAGETYPE_DRIVER_MAPPING:
153 			desc = "driver_mappping";
154 			break;
155 		}
156 		break;
157 	}
158 
159 	if (!desc)
160 		return;
161 
162 	printk(MPT2SAS_INFO_FMT "%s: %s(%d), action(%d), form(0x%08x), "
163 	    "smid(%d)\n", ioc->name, calling_function_name, desc,
164 	    mpi_request->Header.PageNumber, mpi_request->Action,
165 	    le32_to_cpu(mpi_request->PageAddress), smid);
166 
167 	if (!mpi_reply)
168 		return;
169 
170 	if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
171 		printk(MPT2SAS_INFO_FMT
172 		    "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
173 		    ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
174 		    le32_to_cpu(mpi_reply->IOCLogInfo));
175 }
176 #endif
177 
178 /**
179  * _config_alloc_config_dma_memory - obtain physical memory
180  * @ioc: per adapter object
181  * @mem: struct config_request
182  *
183  * A wrapper for obtaining dma-able memory for config page request.
184  *
185  * Returns 0 for success, non-zero for failure.
186  */
187 static int
_config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER * ioc,struct config_request * mem)188 _config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
189     struct config_request *mem)
190 {
191 	int r = 0;
192 
193 	if (mem->sz > ioc->config_page_sz) {
194 		mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz,
195 		    &mem->page_dma, GFP_KERNEL);
196 		if (!mem->page) {
197 			printk(MPT2SAS_ERR_FMT "%s: dma_alloc_coherent"
198 			    " failed asking for (%d) bytes!!\n",
199 			    ioc->name, __func__, mem->sz);
200 			r = -ENOMEM;
201 		}
202 	} else { /* use tmp buffer if less than 512 bytes */
203 		mem->page = ioc->config_page;
204 		mem->page_dma = ioc->config_page_dma;
205 	}
206 	return r;
207 }
208 
209 /**
210  * _config_free_config_dma_memory - wrapper to free the memory
211  * @ioc: per adapter object
212  * @mem: struct config_request
213  *
214  * A wrapper to free dma-able memory when using _config_alloc_config_dma_memory.
215  *
216  * Returns 0 for success, non-zero for failure.
217  */
218 static void
_config_free_config_dma_memory(struct MPT2SAS_ADAPTER * ioc,struct config_request * mem)219 _config_free_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
220     struct config_request *mem)
221 {
222 	if (mem->sz > ioc->config_page_sz)
223 		dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page,
224 		    mem->page_dma);
225 }
226 
227 /**
228  * mpt2sas_config_done - config page completion routine
229  * @ioc: per adapter object
230  * @smid: system request message index
231  * @msix_index: MSIX table index supplied by the OS
232  * @reply: reply message frame(lower 32bit addr)
233  * Context: none.
234  *
235  * The callback handler when using _config_request.
236  *
237  * Return 1 meaning mf should be freed from _base_interrupt
238  *        0 means the mf is freed from this function.
239  */
240 u8
mpt2sas_config_done(struct MPT2SAS_ADAPTER * ioc,u16 smid,u8 msix_index,u32 reply)241 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
242     u32 reply)
243 {
244 	MPI2DefaultReply_t *mpi_reply;
245 
246 	if (ioc->config_cmds.status == MPT2_CMD_NOT_USED)
247 		return 1;
248 	if (ioc->config_cmds.smid != smid)
249 		return 1;
250 	ioc->config_cmds.status |= MPT2_CMD_COMPLETE;
251 	mpi_reply =  mpt2sas_base_get_reply_virt_addr(ioc, reply);
252 	if (mpi_reply) {
253 		ioc->config_cmds.status |= MPT2_CMD_REPLY_VALID;
254 		memcpy(ioc->config_cmds.reply, mpi_reply,
255 		    mpi_reply->MsgLength*4);
256 	}
257 	ioc->config_cmds.status &= ~MPT2_CMD_PENDING;
258 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
259 	_config_display_some_debug(ioc, smid, "config_done", mpi_reply);
260 #endif
261 	ioc->config_cmds.smid = USHRT_MAX;
262 	complete(&ioc->config_cmds.done);
263 	return 1;
264 }
265 
266 /**
267  * _config_request - main routine for sending config page requests
268  * @ioc: per adapter object
269  * @mpi_request: request message frame
270  * @mpi_reply: reply mf payload returned from firmware
271  * @timeout: timeout in seconds
272  * @config_page: contents of the config page
273  * @config_page_sz: size of config page
274  * Context: sleep
275  *
276  * A generic API for config page requests to firmware.
277  *
278  * The ioc->config_cmds.status flag should be MPT2_CMD_NOT_USED before calling
279  * this API.
280  *
281  * The callback index is set inside `ioc->config_cb_idx.
282  *
283  * Returns 0 for success, non-zero for failure.
284  */
285 static int
_config_request(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigRequest_t * mpi_request,Mpi2ConfigReply_t * mpi_reply,int timeout,void * config_page,u16 config_page_sz)286 _config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
287     *mpi_request, Mpi2ConfigReply_t *mpi_reply, int timeout,
288     void *config_page, u16 config_page_sz)
289 {
290 	u16 smid;
291 	u32 ioc_state;
292 	unsigned long timeleft;
293 	Mpi2ConfigRequest_t *config_request;
294 	int r;
295 	u8 retry_count, issue_host_reset = 0;
296 	u16 wait_state_count;
297 	struct config_request mem;
298 
299 	mutex_lock(&ioc->config_cmds.mutex);
300 	if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) {
301 		printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n",
302 		    ioc->name, __func__);
303 		mutex_unlock(&ioc->config_cmds.mutex);
304 		return -EAGAIN;
305 	}
306 
307 	retry_count = 0;
308 	memset(&mem, 0, sizeof(struct config_request));
309 
310 	mpi_request->VF_ID = 0; /* TODO */
311 	mpi_request->VP_ID = 0;
312 
313 	if (config_page) {
314 		mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion;
315 		mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber;
316 		mpi_request->Header.PageType = mpi_reply->Header.PageType;
317 		mpi_request->Header.PageLength = mpi_reply->Header.PageLength;
318 		mpi_request->ExtPageLength = mpi_reply->ExtPageLength;
319 		mpi_request->ExtPageType = mpi_reply->ExtPageType;
320 		if (mpi_request->Header.PageLength)
321 			mem.sz = mpi_request->Header.PageLength * 4;
322 		else
323 			mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4;
324 		r = _config_alloc_config_dma_memory(ioc, &mem);
325 		if (r != 0)
326 			goto out;
327 		if (mpi_request->Action ==
328 		    MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT ||
329 		    mpi_request->Action ==
330 		    MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM) {
331 			ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
332 			    MPT2_CONFIG_COMMON_WRITE_SGLFLAGS | mem.sz,
333 			    mem.page_dma);
334 			memcpy(mem.page, config_page, min_t(u16, mem.sz,
335 			    config_page_sz));
336 		} else {
337 			memset(config_page, 0, config_page_sz);
338 			ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
339 			    MPT2_CONFIG_COMMON_SGLFLAGS | mem.sz, mem.page_dma);
340 		}
341 	}
342 
343  retry_config:
344 	if (retry_count) {
345 		if (retry_count > 2) { /* attempt only 2 retries */
346 			r = -EFAULT;
347 			goto free_mem;
348 		}
349 		printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
350 		    ioc->name, __func__, retry_count);
351 	}
352 	wait_state_count = 0;
353 	ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
354 	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
355 		if (wait_state_count++ == MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT) {
356 			printk(MPT2SAS_ERR_FMT
357 			    "%s: failed due to ioc not operational\n",
358 			    ioc->name, __func__);
359 			ioc->config_cmds.status = MPT2_CMD_NOT_USED;
360 			r = -EFAULT;
361 			goto free_mem;
362 		}
363 		ssleep(1);
364 		ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
365 		printk(MPT2SAS_INFO_FMT "%s: waiting for "
366 		    "operational state(count=%d)\n", ioc->name,
367 		    __func__, wait_state_count);
368 	}
369 	if (wait_state_count)
370 		printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
371 		    ioc->name, __func__);
372 
373 	smid = mpt2sas_base_get_smid(ioc, ioc->config_cb_idx);
374 	if (!smid) {
375 		printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
376 		    ioc->name, __func__);
377 		ioc->config_cmds.status = MPT2_CMD_NOT_USED;
378 		r = -EAGAIN;
379 		goto free_mem;
380 	}
381 
382 	r = 0;
383 	memset(mpi_reply, 0, sizeof(Mpi2ConfigReply_t));
384 	ioc->config_cmds.status = MPT2_CMD_PENDING;
385 	config_request = mpt2sas_base_get_msg_frame(ioc, smid);
386 	ioc->config_cmds.smid = smid;
387 	memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t));
388 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
389 	_config_display_some_debug(ioc, smid, "config_request", NULL);
390 #endif
391 	init_completion(&ioc->config_cmds.done);
392 	mpt2sas_base_put_smid_default(ioc, smid);
393 	timeleft = wait_for_completion_timeout(&ioc->config_cmds.done,
394 	    timeout*HZ);
395 	if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
396 		printk(MPT2SAS_ERR_FMT "%s: timeout\n",
397 		    ioc->name, __func__);
398 		_debug_dump_mf(mpi_request,
399 		    sizeof(Mpi2ConfigRequest_t)/4);
400 		retry_count++;
401 		if (ioc->config_cmds.smid == smid)
402 			mpt2sas_base_free_smid(ioc, smid);
403 		if ((ioc->shost_recovery) || (ioc->config_cmds.status &
404 		    MPT2_CMD_RESET) || ioc->pci_error_recovery)
405 			goto retry_config;
406 		issue_host_reset = 1;
407 		r = -EFAULT;
408 		goto free_mem;
409 	}
410 
411 	if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID)
412 		memcpy(mpi_reply, ioc->config_cmds.reply,
413 		    sizeof(Mpi2ConfigReply_t));
414 	if (retry_count)
415 		printk(MPT2SAS_INFO_FMT "%s: retry (%d) completed!!\n",
416 		    ioc->name, __func__, retry_count);
417 	if (config_page && mpi_request->Action ==
418 	    MPI2_CONFIG_ACTION_PAGE_READ_CURRENT)
419 		memcpy(config_page, mem.page, min_t(u16, mem.sz,
420 		    config_page_sz));
421  free_mem:
422 	if (config_page)
423 		_config_free_config_dma_memory(ioc, &mem);
424  out:
425 	ioc->config_cmds.status = MPT2_CMD_NOT_USED;
426 	mutex_unlock(&ioc->config_cmds.mutex);
427 
428 	if (issue_host_reset)
429 		mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
430 		    FORCE_BIG_HAMMER);
431 	return r;
432 }
433 
434 /**
435  * mpt2sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
436  * @ioc: per adapter object
437  * @mpi_reply: reply mf payload returned from firmware
438  * @config_page: contents of the config page
439  * Context: sleep.
440  *
441  * Returns 0 for success, non-zero for failure.
442  */
443 int
mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2ManufacturingPage0_t * config_page)444 mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
445     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page)
446 {
447 	Mpi2ConfigRequest_t mpi_request;
448 	int r;
449 
450 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
451 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
452 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
453 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
454 	mpi_request.Header.PageNumber = 0;
455 	mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
456 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
457 	r = _config_request(ioc, &mpi_request, mpi_reply,
458 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
459 	if (r)
460 		goto out;
461 
462 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
463 	r = _config_request(ioc, &mpi_request, mpi_reply,
464 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
465 	    sizeof(*config_page));
466  out:
467 	return r;
468 }
469 
470 /**
471  * mpt2sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
472  * @ioc: per adapter object
473  * @mpi_reply: reply mf payload returned from firmware
474  * @config_page: contents of the config page
475  * Context: sleep.
476  *
477  * Returns 0 for success, non-zero for failure.
478  */
479 int
mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2ManufacturingPage10_t * config_page)480 mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
481     Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page)
482 {
483 	Mpi2ConfigRequest_t mpi_request;
484 	int r;
485 
486 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
487 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
488 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
489 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
490 	mpi_request.Header.PageNumber = 10;
491 	mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
492 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
493 	r = _config_request(ioc, &mpi_request, mpi_reply,
494 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
495 	if (r)
496 		goto out;
497 
498 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
499 	r = _config_request(ioc, &mpi_request, mpi_reply,
500 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
501 	    sizeof(*config_page));
502  out:
503 	return r;
504 }
505 
506 /**
507  * mpt2sas_config_get_bios_pg2 - obtain bios page 2
508  * @ioc: per adapter object
509  * @mpi_reply: reply mf payload returned from firmware
510  * @config_page: contents of the config page
511  * Context: sleep.
512  *
513  * Returns 0 for success, non-zero for failure.
514  */
515 int
mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2BiosPage2_t * config_page)516 mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
517     Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page)
518 {
519 	Mpi2ConfigRequest_t mpi_request;
520 	int r;
521 
522 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
523 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
524 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
525 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
526 	mpi_request.Header.PageNumber = 2;
527 	mpi_request.Header.PageVersion = MPI2_BIOSPAGE2_PAGEVERSION;
528 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
529 	r = _config_request(ioc, &mpi_request, mpi_reply,
530 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
531 	if (r)
532 		goto out;
533 
534 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
535 	r = _config_request(ioc, &mpi_request, mpi_reply,
536 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
537 	    sizeof(*config_page));
538  out:
539 	return r;
540 }
541 
542 /**
543  * mpt2sas_config_get_bios_pg3 - obtain bios page 3
544  * @ioc: per adapter object
545  * @mpi_reply: reply mf payload returned from firmware
546  * @config_page: contents of the config page
547  * Context: sleep.
548  *
549  * Returns 0 for success, non-zero for failure.
550  */
551 int
mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2BiosPage3_t * config_page)552 mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
553     *mpi_reply, Mpi2BiosPage3_t *config_page)
554 {
555 	Mpi2ConfigRequest_t mpi_request;
556 	int r;
557 
558 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
559 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
560 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
561 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
562 	mpi_request.Header.PageNumber = 3;
563 	mpi_request.Header.PageVersion = MPI2_BIOSPAGE3_PAGEVERSION;
564 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
565 	r = _config_request(ioc, &mpi_request, mpi_reply,
566 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
567 	if (r)
568 		goto out;
569 
570 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
571 	r = _config_request(ioc, &mpi_request, mpi_reply,
572 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
573 	    sizeof(*config_page));
574  out:
575 	return r;
576 }
577 
578 /**
579  * mpt2sas_config_get_iounit_pg0 - obtain iounit page 0
580  * @ioc: per adapter object
581  * @mpi_reply: reply mf payload returned from firmware
582  * @config_page: contents of the config page
583  * Context: sleep.
584  *
585  * Returns 0 for success, non-zero for failure.
586  */
587 int
mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2IOUnitPage0_t * config_page)588 mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
589     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page)
590 {
591 	Mpi2ConfigRequest_t mpi_request;
592 	int r;
593 
594 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
595 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
596 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
597 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
598 	mpi_request.Header.PageNumber = 0;
599 	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE0_PAGEVERSION;
600 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
601 	r = _config_request(ioc, &mpi_request, mpi_reply,
602 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
603 	if (r)
604 		goto out;
605 
606 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
607 	r = _config_request(ioc, &mpi_request, mpi_reply,
608 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
609 	    sizeof(*config_page));
610  out:
611 	return r;
612 }
613 
614 /**
615  * mpt2sas_config_get_iounit_pg1 - obtain iounit page 1
616  * @ioc: per adapter object
617  * @mpi_reply: reply mf payload returned from firmware
618  * @config_page: contents of the config page
619  * Context: sleep.
620  *
621  * Returns 0 for success, non-zero for failure.
622  */
623 int
mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2IOUnitPage1_t * config_page)624 mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
625     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
626 {
627 	Mpi2ConfigRequest_t mpi_request;
628 	int r;
629 
630 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
631 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
632 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
633 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
634 	mpi_request.Header.PageNumber = 1;
635 	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
636 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
637 	r = _config_request(ioc, &mpi_request, mpi_reply,
638 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
639 	if (r)
640 		goto out;
641 
642 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
643 	r = _config_request(ioc, &mpi_request, mpi_reply,
644 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
645 	    sizeof(*config_page));
646  out:
647 	return r;
648 }
649 
650 /**
651  * mpt2sas_config_set_iounit_pg1 - set iounit page 1
652  * @ioc: per adapter object
653  * @mpi_reply: reply mf payload returned from firmware
654  * @config_page: contents of the config page
655  * Context: sleep.
656  *
657  * Returns 0 for success, non-zero for failure.
658  */
659 int
mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2IOUnitPage1_t * config_page)660 mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
661     Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
662 {
663 	Mpi2ConfigRequest_t mpi_request;
664 	int r;
665 
666 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
667 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
668 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
669 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
670 	mpi_request.Header.PageNumber = 1;
671 	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
672 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
673 	r = _config_request(ioc, &mpi_request, mpi_reply,
674 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
675 	if (r)
676 		goto out;
677 
678 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
679 	r = _config_request(ioc, &mpi_request, mpi_reply,
680 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
681 	    sizeof(*config_page));
682  out:
683 	return r;
684 }
685 
686 /**
687  * mpt2sas_config_get_ioc_pg8 - obtain ioc page 8
688  * @ioc: per adapter object
689  * @mpi_reply: reply mf payload returned from firmware
690  * @config_page: contents of the config page
691  * Context: sleep.
692  *
693  * Returns 0 for success, non-zero for failure.
694  */
695 int
mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2IOCPage8_t * config_page)696 mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
697     Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page)
698 {
699 	Mpi2ConfigRequest_t mpi_request;
700 	int r;
701 
702 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
703 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
704 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
705 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
706 	mpi_request.Header.PageNumber = 8;
707 	mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
708 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
709 	r = _config_request(ioc, &mpi_request, mpi_reply,
710 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
711 	if (r)
712 		goto out;
713 
714 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
715 	r = _config_request(ioc, &mpi_request, mpi_reply,
716 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
717 	    sizeof(*config_page));
718  out:
719 	return r;
720 }
721 
722 /**
723  * mpt2sas_config_get_sas_device_pg0 - obtain sas device page 0
724  * @ioc: per adapter object
725  * @mpi_reply: reply mf payload returned from firmware
726  * @config_page: contents of the config page
727  * @form: GET_NEXT_HANDLE or HANDLE
728  * @handle: device handle
729  * Context: sleep.
730  *
731  * Returns 0 for success, non-zero for failure.
732  */
733 int
mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasDevicePage0_t * config_page,u32 form,u32 handle)734 mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
735     *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle)
736 {
737 	Mpi2ConfigRequest_t mpi_request;
738 	int r;
739 
740 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
741 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
742 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
743 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
744 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
745 	mpi_request.Header.PageVersion = MPI2_SASDEVICE0_PAGEVERSION;
746 	mpi_request.Header.PageNumber = 0;
747 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
748 	r = _config_request(ioc, &mpi_request, mpi_reply,
749 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
750 	if (r)
751 		goto out;
752 
753 	mpi_request.PageAddress = cpu_to_le32(form | handle);
754 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
755 	r = _config_request(ioc, &mpi_request, mpi_reply,
756 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
757 	    sizeof(*config_page));
758  out:
759 	return r;
760 }
761 
762 /**
763  * mpt2sas_config_get_sas_device_pg1 - obtain sas device page 1
764  * @ioc: per adapter object
765  * @mpi_reply: reply mf payload returned from firmware
766  * @config_page: contents of the config page
767  * @form: GET_NEXT_HANDLE or HANDLE
768  * @handle: device handle
769  * Context: sleep.
770  *
771  * Returns 0 for success, non-zero for failure.
772  */
773 int
mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasDevicePage1_t * config_page,u32 form,u32 handle)774 mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
775     *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle)
776 {
777 	Mpi2ConfigRequest_t mpi_request;
778 	int r;
779 
780 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
781 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
782 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
783 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
784 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
785 	mpi_request.Header.PageVersion = MPI2_SASDEVICE1_PAGEVERSION;
786 	mpi_request.Header.PageNumber = 1;
787 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
788 	r = _config_request(ioc, &mpi_request, mpi_reply,
789 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
790 	if (r)
791 		goto out;
792 
793 	mpi_request.PageAddress = cpu_to_le32(form | handle);
794 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
795 	r = _config_request(ioc, &mpi_request, mpi_reply,
796 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
797 	    sizeof(*config_page));
798  out:
799 	return r;
800 }
801 
802 /**
803  * mpt2sas_config_get_number_hba_phys - obtain number of phys on the host
804  * @ioc: per adapter object
805  * @num_phys: pointer returned with the number of phys
806  * Context: sleep.
807  *
808  * Returns 0 for success, non-zero for failure.
809  */
810 int
mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER * ioc,u8 * num_phys)811 mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
812 {
813 	Mpi2ConfigRequest_t mpi_request;
814 	int r;
815 	u16 ioc_status;
816 	Mpi2ConfigReply_t mpi_reply;
817 	Mpi2SasIOUnitPage0_t config_page;
818 
819 	*num_phys = 0;
820 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
821 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
822 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
823 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
824 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
825 	mpi_request.Header.PageNumber = 0;
826 	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
827 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
828 	r = _config_request(ioc, &mpi_request, &mpi_reply,
829 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
830 	if (r)
831 		goto out;
832 
833 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
834 	r = _config_request(ioc, &mpi_request, &mpi_reply,
835 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
836 	    sizeof(Mpi2SasIOUnitPage0_t));
837 	if (!r) {
838 		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
839 		    MPI2_IOCSTATUS_MASK;
840 		if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
841 			*num_phys = config_page.NumPhys;
842 	}
843  out:
844 	return r;
845 }
846 
847 /**
848  * mpt2sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
849  * @ioc: per adapter object
850  * @mpi_reply: reply mf payload returned from firmware
851  * @config_page: contents of the config page
852  * @sz: size of buffer passed in config_page
853  * Context: sleep.
854  *
855  * Calling function should call config_get_number_hba_phys prior to
856  * this function, so enough memory is allocated for config_page.
857  *
858  * Returns 0 for success, non-zero for failure.
859  */
860 int
mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasIOUnitPage0_t * config_page,u16 sz)861 mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
862     *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz)
863 {
864 	Mpi2ConfigRequest_t mpi_request;
865 	int r;
866 
867 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
868 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
869 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
870 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
871 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
872 	mpi_request.Header.PageNumber = 0;
873 	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
874 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
875 	r = _config_request(ioc, &mpi_request, mpi_reply,
876 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
877 	if (r)
878 		goto out;
879 
880 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
881 	r = _config_request(ioc, &mpi_request, mpi_reply,
882 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
883  out:
884 	return r;
885 }
886 
887 /**
888  * mpt2sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
889  * @ioc: per adapter object
890  * @mpi_reply: reply mf payload returned from firmware
891  * @config_page: contents of the config page
892  * @sz: size of buffer passed in config_page
893  * Context: sleep.
894  *
895  * Calling function should call config_get_number_hba_phys prior to
896  * this function, so enough memory is allocated for config_page.
897  *
898  * Returns 0 for success, non-zero for failure.
899  */
900 int
mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasIOUnitPage1_t * config_page,u16 sz)901 mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
902     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
903 {
904 	Mpi2ConfigRequest_t mpi_request;
905 	int r;
906 
907 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
908 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
909 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
910 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
911 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
912 	mpi_request.Header.PageNumber = 1;
913 	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
914 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
915 	r = _config_request(ioc, &mpi_request, mpi_reply,
916 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
917 	if (r)
918 		goto out;
919 
920 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
921 	r = _config_request(ioc, &mpi_request, mpi_reply,
922 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
923  out:
924 	return r;
925 }
926 
927 /**
928  * mpt2sas_config_set_sas_iounit_pg1 - send sas iounit page 1
929  * @ioc: per adapter object
930  * @mpi_reply: reply mf payload returned from firmware
931  * @config_page: contents of the config page
932  * @sz: size of buffer passed in config_page
933  * Context: sleep.
934  *
935  * Calling function should call config_get_number_hba_phys prior to
936  * this function, so enough memory is allocated for config_page.
937  *
938  * Returns 0 for success, non-zero for failure.
939  */
940 int
mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasIOUnitPage1_t * config_page,u16 sz)941 mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
942     *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
943 {
944 	Mpi2ConfigRequest_t mpi_request;
945 	int r;
946 
947 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
948 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
949 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
950 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
951 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
952 	mpi_request.Header.PageNumber = 1;
953 	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
954 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
955 	r = _config_request(ioc, &mpi_request, mpi_reply,
956 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
957 	if (r)
958 		goto out;
959 
960 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
961 	_config_request(ioc, &mpi_request, mpi_reply,
962 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
963 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM;
964 	r = _config_request(ioc, &mpi_request, mpi_reply,
965 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
966  out:
967 	return r;
968 }
969 
970 /**
971  * mpt2sas_config_get_expander_pg0 - obtain expander page 0
972  * @ioc: per adapter object
973  * @mpi_reply: reply mf payload returned from firmware
974  * @config_page: contents of the config page
975  * @form: GET_NEXT_HANDLE or HANDLE
976  * @handle: expander handle
977  * Context: sleep.
978  *
979  * Returns 0 for success, non-zero for failure.
980  */
981 int
mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2ExpanderPage0_t * config_page,u32 form,u32 handle)982 mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
983     *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle)
984 {
985 	Mpi2ConfigRequest_t mpi_request;
986 	int r;
987 
988 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
989 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
990 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
991 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
992 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
993 	mpi_request.Header.PageNumber = 0;
994 	mpi_request.Header.PageVersion = MPI2_SASEXPANDER0_PAGEVERSION;
995 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
996 	r = _config_request(ioc, &mpi_request, mpi_reply,
997 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
998 	if (r)
999 		goto out;
1000 
1001 	mpi_request.PageAddress = cpu_to_le32(form | handle);
1002 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1003 	r = _config_request(ioc, &mpi_request, mpi_reply,
1004 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1005 	    sizeof(*config_page));
1006  out:
1007 	return r;
1008 }
1009 
1010 /**
1011  * mpt2sas_config_get_expander_pg1 - obtain expander page 1
1012  * @ioc: per adapter object
1013  * @mpi_reply: reply mf payload returned from firmware
1014  * @config_page: contents of the config page
1015  * @phy_number: phy number
1016  * @handle: expander handle
1017  * Context: sleep.
1018  *
1019  * Returns 0 for success, non-zero for failure.
1020  */
1021 int
mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2ExpanderPage1_t * config_page,u32 phy_number,u16 handle)1022 mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1023     *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number,
1024     u16 handle)
1025 {
1026 	Mpi2ConfigRequest_t mpi_request;
1027 	int r;
1028 
1029 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1030 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1031 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1032 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1033 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
1034 	mpi_request.Header.PageNumber = 1;
1035 	mpi_request.Header.PageVersion = MPI2_SASEXPANDER1_PAGEVERSION;
1036 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1037 	r = _config_request(ioc, &mpi_request, mpi_reply,
1038 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1039 	if (r)
1040 		goto out;
1041 
1042 	mpi_request.PageAddress =
1043 	    cpu_to_le32(MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM |
1044 	    (phy_number << MPI2_SAS_EXPAND_PGAD_PHYNUM_SHIFT) | handle);
1045 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1046 	r = _config_request(ioc, &mpi_request, mpi_reply,
1047 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1048 	    sizeof(*config_page));
1049  out:
1050 	return r;
1051 }
1052 
1053 /**
1054  * mpt2sas_config_get_enclosure_pg0 - obtain enclosure page 0
1055  * @ioc: per adapter object
1056  * @mpi_reply: reply mf payload returned from firmware
1057  * @config_page: contents of the config page
1058  * @form: GET_NEXT_HANDLE or HANDLE
1059  * @handle: expander handle
1060  * Context: sleep.
1061  *
1062  * Returns 0 for success, non-zero for failure.
1063  */
1064 int
mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasEnclosurePage0_t * config_page,u32 form,u32 handle)1065 mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1066     *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle)
1067 {
1068 	Mpi2ConfigRequest_t mpi_request;
1069 	int r;
1070 
1071 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1072 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1073 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1074 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1075 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE;
1076 	mpi_request.Header.PageNumber = 0;
1077 	mpi_request.Header.PageVersion = MPI2_SASENCLOSURE0_PAGEVERSION;
1078 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1079 	r = _config_request(ioc, &mpi_request, mpi_reply,
1080 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1081 	if (r)
1082 		goto out;
1083 
1084 	mpi_request.PageAddress = cpu_to_le32(form | handle);
1085 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1086 	r = _config_request(ioc, &mpi_request, mpi_reply,
1087 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1088 	    sizeof(*config_page));
1089  out:
1090 	return r;
1091 }
1092 
1093 /**
1094  * mpt2sas_config_get_phy_pg0 - obtain phy page 0
1095  * @ioc: per adapter object
1096  * @mpi_reply: reply mf payload returned from firmware
1097  * @config_page: contents of the config page
1098  * @phy_number: phy number
1099  * Context: sleep.
1100  *
1101  * Returns 0 for success, non-zero for failure.
1102  */
1103 int
mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasPhyPage0_t * config_page,u32 phy_number)1104 mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1105     *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number)
1106 {
1107 	Mpi2ConfigRequest_t mpi_request;
1108 	int r;
1109 
1110 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1111 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1112 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1113 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1114 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
1115 	mpi_request.Header.PageNumber = 0;
1116 	mpi_request.Header.PageVersion = MPI2_SASPHY0_PAGEVERSION;
1117 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1118 	r = _config_request(ioc, &mpi_request, mpi_reply,
1119 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1120 	if (r)
1121 		goto out;
1122 
1123 	mpi_request.PageAddress =
1124 	    cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
1125 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1126 	r = _config_request(ioc, &mpi_request, mpi_reply,
1127 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1128 	    sizeof(*config_page));
1129  out:
1130 	return r;
1131 }
1132 
1133 /**
1134  * mpt2sas_config_get_phy_pg1 - obtain phy page 1
1135  * @ioc: per adapter object
1136  * @mpi_reply: reply mf payload returned from firmware
1137  * @config_page: contents of the config page
1138  * @phy_number: phy number
1139  * Context: sleep.
1140  *
1141  * Returns 0 for success, non-zero for failure.
1142  */
1143 int
mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2SasPhyPage1_t * config_page,u32 phy_number)1144 mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1145     *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number)
1146 {
1147 	Mpi2ConfigRequest_t mpi_request;
1148 	int r;
1149 
1150 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1151 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1152 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1153 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1154 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
1155 	mpi_request.Header.PageNumber = 1;
1156 	mpi_request.Header.PageVersion = MPI2_SASPHY1_PAGEVERSION;
1157 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1158 	r = _config_request(ioc, &mpi_request, mpi_reply,
1159 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1160 	if (r)
1161 		goto out;
1162 
1163 	mpi_request.PageAddress =
1164 	    cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
1165 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1166 	r = _config_request(ioc, &mpi_request, mpi_reply,
1167 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1168 	    sizeof(*config_page));
1169  out:
1170 	return r;
1171 }
1172 
1173 /**
1174  * mpt2sas_config_get_raid_volume_pg1 - obtain raid volume page 1
1175  * @ioc: per adapter object
1176  * @mpi_reply: reply mf payload returned from firmware
1177  * @config_page: contents of the config page
1178  * @form: GET_NEXT_HANDLE or HANDLE
1179  * @handle: volume handle
1180  * Context: sleep.
1181  *
1182  * Returns 0 for success, non-zero for failure.
1183  */
1184 int
mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2RaidVolPage1_t * config_page,u32 form,u32 handle)1185 mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
1186     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
1187     u32 handle)
1188 {
1189 	Mpi2ConfigRequest_t mpi_request;
1190 	int r;
1191 
1192 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1193 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1194 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1195 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
1196 	mpi_request.Header.PageNumber = 1;
1197 	mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE1_PAGEVERSION;
1198 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1199 	r = _config_request(ioc, &mpi_request, mpi_reply,
1200 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1201 	if (r)
1202 		goto out;
1203 
1204 	mpi_request.PageAddress = cpu_to_le32(form | handle);
1205 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1206 	r = _config_request(ioc, &mpi_request, mpi_reply,
1207 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1208 	    sizeof(*config_page));
1209  out:
1210 	return r;
1211 }
1212 
1213 /**
1214  * mpt2sas_config_get_number_pds - obtain number of phys disk assigned to volume
1215  * @ioc: per adapter object
1216  * @handle: volume handle
1217  * @num_pds: returns pds count
1218  * Context: sleep.
1219  *
1220  * Returns 0 for success, non-zero for failure.
1221  */
1222 int
mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER * ioc,u16 handle,u8 * num_pds)1223 mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
1224     u8 *num_pds)
1225 {
1226 	Mpi2ConfigRequest_t mpi_request;
1227 	Mpi2RaidVolPage0_t config_page;
1228 	Mpi2ConfigReply_t mpi_reply;
1229 	int r;
1230 	u16 ioc_status;
1231 
1232 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1233 	*num_pds = 0;
1234 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1235 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1236 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
1237 	mpi_request.Header.PageNumber = 0;
1238 	mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
1239 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1240 	r = _config_request(ioc, &mpi_request, &mpi_reply,
1241 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1242 	if (r)
1243 		goto out;
1244 
1245 	mpi_request.PageAddress =
1246 	    cpu_to_le32(MPI2_RAID_VOLUME_PGAD_FORM_HANDLE | handle);
1247 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1248 	r = _config_request(ioc, &mpi_request, &mpi_reply,
1249 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
1250 	    sizeof(Mpi2RaidVolPage0_t));
1251 	if (!r) {
1252 		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1253 		    MPI2_IOCSTATUS_MASK;
1254 		if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
1255 			*num_pds = config_page.NumPhysDisks;
1256 	}
1257 
1258  out:
1259 	return r;
1260 }
1261 
1262 /**
1263  * mpt2sas_config_get_raid_volume_pg0 - obtain raid volume page 0
1264  * @ioc: per adapter object
1265  * @mpi_reply: reply mf payload returned from firmware
1266  * @config_page: contents of the config page
1267  * @form: GET_NEXT_HANDLE or HANDLE
1268  * @handle: volume handle
1269  * @sz: size of buffer passed in config_page
1270  * Context: sleep.
1271  *
1272  * Returns 0 for success, non-zero for failure.
1273  */
1274 int
mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2RaidVolPage0_t * config_page,u32 form,u32 handle,u16 sz)1275 mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc,
1276     Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
1277     u32 handle, u16 sz)
1278 {
1279 	Mpi2ConfigRequest_t mpi_request;
1280 	int r;
1281 
1282 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1283 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1284 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1285 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
1286 	mpi_request.Header.PageNumber = 0;
1287 	mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
1288 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1289 	r = _config_request(ioc, &mpi_request, mpi_reply,
1290 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1291 	if (r)
1292 		goto out;
1293 
1294 	mpi_request.PageAddress = cpu_to_le32(form | handle);
1295 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1296 	r = _config_request(ioc, &mpi_request, mpi_reply,
1297 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
1298  out:
1299 	return r;
1300 }
1301 
1302 /**
1303  * mpt2sas_config_get_phys_disk_pg0 - obtain phys disk page 0
1304  * @ioc: per adapter object
1305  * @mpi_reply: reply mf payload returned from firmware
1306  * @config_page: contents of the config page
1307  * @form: GET_NEXT_PHYSDISKNUM, PHYSDISKNUM, DEVHANDLE
1308  * @form_specific: specific to the form
1309  * Context: sleep.
1310  *
1311  * Returns 0 for success, non-zero for failure.
1312  */
1313 int
mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER * ioc,Mpi2ConfigReply_t * mpi_reply,Mpi2RaidPhysDiskPage0_t * config_page,u32 form,u32 form_specific)1314 mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
1315     *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
1316     u32 form_specific)
1317 {
1318 	Mpi2ConfigRequest_t mpi_request;
1319 	int r;
1320 
1321 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1322 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1323 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1324 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK;
1325 	mpi_request.Header.PageNumber = 0;
1326 	mpi_request.Header.PageVersion = MPI2_RAIDPHYSDISKPAGE0_PAGEVERSION;
1327 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1328 	r = _config_request(ioc, &mpi_request, mpi_reply,
1329 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1330 	if (r)
1331 		goto out;
1332 
1333 	mpi_request.PageAddress = cpu_to_le32(form | form_specific);
1334 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1335 	r = _config_request(ioc, &mpi_request, mpi_reply,
1336 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1337 	    sizeof(*config_page));
1338  out:
1339 	return r;
1340 }
1341 
1342 /**
1343  * mpt2sas_config_get_volume_handle - returns volume handle for give hidden raid components
1344  * @ioc: per adapter object
1345  * @pd_handle: phys disk handle
1346  * @volume_handle: volume handle
1347  * Context: sleep.
1348  *
1349  * Returns 0 for success, non-zero for failure.
1350  */
1351 int
mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER * ioc,u16 pd_handle,u16 * volume_handle)1352 mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
1353     u16 *volume_handle)
1354 {
1355 	Mpi2RaidConfigurationPage0_t *config_page = NULL;
1356 	Mpi2ConfigRequest_t mpi_request;
1357 	Mpi2ConfigReply_t mpi_reply;
1358 	int r, i, config_page_sz;
1359 	u16 ioc_status;
1360 
1361 	*volume_handle = 0;
1362 	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
1363 	mpi_request.Function = MPI2_FUNCTION_CONFIG;
1364 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
1365 	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
1366 	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG;
1367 	mpi_request.Header.PageVersion = MPI2_RAIDCONFIG0_PAGEVERSION;
1368 	mpi_request.Header.PageNumber = 0;
1369 	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
1370 	r = _config_request(ioc, &mpi_request, &mpi_reply,
1371 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
1372 	if (r)
1373 		goto out;
1374 
1375 	mpi_request.PageAddress =
1376 	    cpu_to_le32(MPI2_RAID_PGAD_FORM_ACTIVE_CONFIG);
1377 	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
1378 	config_page_sz = (le16_to_cpu(mpi_reply.ExtPageLength) * 4);
1379 	config_page = kmalloc(config_page_sz, GFP_KERNEL);
1380 	if (!config_page)
1381 		goto out;
1382 	r = _config_request(ioc, &mpi_request, &mpi_reply,
1383 	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
1384 	    config_page_sz);
1385 	if (r)
1386 		goto out;
1387 
1388 	r = -1;
1389 	ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
1390 	if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
1391 		goto out;
1392 	for (i = 0; i < config_page->NumElements; i++) {
1393 		if ((le16_to_cpu(config_page->ConfigElement[i].ElementFlags) &
1394 		    MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE) !=
1395 		    MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT)
1396 			continue;
1397 		if (le16_to_cpu(config_page->ConfigElement[i].
1398 		    PhysDiskDevHandle) == pd_handle) {
1399 			*volume_handle = le16_to_cpu(config_page->
1400 			    ConfigElement[i].VolDevHandle);
1401 			r = 0;
1402 			goto out;
1403 		}
1404 	}
1405  out:
1406 	kfree(config_page);
1407 	return r;
1408 }
1409 
1410 /**
1411  * mpt2sas_config_get_volume_wwid - returns wwid given the volume handle
1412  * @ioc: per adapter object
1413  * @volume_handle: volume handle
1414  * @wwid: volume wwid
1415  * Context: sleep.
1416  *
1417  * Returns 0 for success, non-zero for failure.
1418  */
1419 int
mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER * ioc,u16 volume_handle,u64 * wwid)1420 mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
1421     u64 *wwid)
1422 {
1423 	Mpi2ConfigReply_t mpi_reply;
1424 	Mpi2RaidVolPage1_t raid_vol_pg1;
1425 
1426 	*wwid = 0;
1427 	if (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
1428 	    &raid_vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE,
1429 	    volume_handle))) {
1430 		*wwid = le64_to_cpu(raid_vol_pg1.WWID);
1431 		return 0;
1432 	} else
1433 		return -1;
1434 }
1435