Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 0 insertions, 1527 deletions

diff --git a/drivers/scsi/mpt2sas/mpt2sas_config.c b/drivers/scsi/mpt2sas/mpt2sas_config.c
deleted file mode 100644
index c43815b1a..000000000
--- a/drivers/scsi/mpt2sas/mpt2sas_config.c
+++ /dev/null
@@ -1,1527 +0,0 @@
-/*
- * This module provides common API for accessing firmware configuration pages
- *
- * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
- * Copyright (C) 2007-2014  LSI Corporation
- * Copyright (C) 20013-2014 Avago Technologies
- *  (mailto: MPT-FusionLinux.pdl@avagotech.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * NO WARRANTY
- * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
- * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
- * solely responsible for determining the appropriateness of using and
- * distributing the Program and assumes all risks associated with its
- * exercise of rights under this Agreement, including but not limited to
- * the risks and costs of program errors, damage to or loss of data,
- * programs or equipment, and unavailability or interruption of operations.
-
- * DISCLAIMER OF LIABILITY
- * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
- * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
- * USA.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/blkdev.h>
-#include <linux/sched.h>
-#include <linux/workqueue.h>
-#include <linux/delay.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include "mpt2sas_base.h"
-
-/* local definitions */
-
-/* Timeout for config page request (in seconds) */
-#define MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT 15
-
-/* Common sgl flags for READING a config page. */
-#define MPT2_CONFIG_COMMON_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
-    MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
-    | MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT)
-
-/* Common sgl flags for WRITING a config page. */
-#define MPT2_CONFIG_COMMON_WRITE_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
-    MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
-    | MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC) \
-    << MPI2_SGE_FLAGS_SHIFT)
-
-/**
- * struct config_request - obtain dma memory via routine
- * @sz: size
- * @page: virt pointer
- * @page_dma: phys pointer
- *
- */
-struct config_request{
-	u16			sz;
-	void			*page;
-	dma_addr_t		page_dma;
-};
-
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-/**
- * _config_display_some_debug - debug routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @calling_function_name: string pass from calling function
- * @mpi_reply: reply message frame
- * Context: none.
- *
- * Function for displaying debug info helpful when debugging issues
- * in this module.
- */
-static void
-_config_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
-    char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
-{
-	Mpi2ConfigRequest_t *mpi_request;
-	char *desc = NULL;
-
-	if (!(ioc->logging_level & MPT_DEBUG_CONFIG))
-		return;
-
-	mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
-	switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) {
-	case MPI2_CONFIG_PAGETYPE_IO_UNIT:
-		desc = "io_unit";
-		break;
-	case MPI2_CONFIG_PAGETYPE_IOC:
-		desc = "ioc";
-		break;
-	case MPI2_CONFIG_PAGETYPE_BIOS:
-		desc = "bios";
-		break;
-	case MPI2_CONFIG_PAGETYPE_RAID_VOLUME:
-		desc = "raid_volume";
-		break;
-	case MPI2_CONFIG_PAGETYPE_MANUFACTURING:
-		desc = "manufaucturing";
-		break;
-	case MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK:
-		desc = "physdisk";
-		break;
-	case MPI2_CONFIG_PAGETYPE_EXTENDED:
-		switch (mpi_request->ExtPageType) {
-		case MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT:
-			desc = "sas_io_unit";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER:
-			desc = "sas_expander";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE:
-			desc = "sas_device";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_SAS_PHY:
-			desc = "sas_phy";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_LOG:
-			desc = "log";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE:
-			desc = "enclosure";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG:
-			desc = "raid_config";
-			break;
-		case MPI2_CONFIG_EXTPAGETYPE_DRIVER_MAPPING:
-			desc = "driver_mapping";
-			break;
-		}
-		break;
-	}
-
-	if (!desc)
-		return;
-
-	printk(MPT2SAS_INFO_FMT "%s: %s(%d), action(%d), form(0x%08x), "
-	    "smid(%d)\n", ioc->name, calling_function_name, desc,
-	    mpi_request->Header.PageNumber, mpi_request->Action,
-	    le32_to_cpu(mpi_request->PageAddress), smid);
-
-	if (!mpi_reply)
-		return;
-
-	if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
-		printk(MPT2SAS_INFO_FMT
-		    "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
-		    ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
-		    le32_to_cpu(mpi_reply->IOCLogInfo));
-}
-#endif
-
-/**
- * _config_alloc_config_dma_memory - obtain physical memory
- * @ioc: per adapter object
- * @mem: struct config_request
- *
- * A wrapper for obtaining dma-able memory for config page request.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static int
-_config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
-    struct config_request *mem)
-{
-	int r = 0;
-
-	if (mem->sz > ioc->config_page_sz) {
-		mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz,
-		    &mem->page_dma, GFP_KERNEL);
-		if (!mem->page) {
-			printk(MPT2SAS_ERR_FMT "%s: dma_alloc_coherent"
-			    " failed asking for (%d) bytes!!\n",
-			    ioc->name, __func__, mem->sz);
-			r = -ENOMEM;
-		}
-	} else { /* use tmp buffer if less than 512 bytes */
-		mem->page = ioc->config_page;
-		mem->page_dma = ioc->config_page_dma;
-	}
-	return r;
-}
-
-/**
- * _config_free_config_dma_memory - wrapper to free the memory
- * @ioc: per adapter object
- * @mem: struct config_request
- *
- * A wrapper to free dma-able memory when using _config_alloc_config_dma_memory.
- *
- * Returns 0 for success, non-zero for failure.
- */
-static void
-_config_free_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
-    struct config_request *mem)
-{
-	if (mem->sz > ioc->config_page_sz)
-		dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page,
-		    mem->page_dma);
-}
-
-/**
- * mpt2sas_config_done - config page completion routine
- * @ioc: per adapter object
- * @smid: system request message index
- * @msix_index: MSIX table index supplied by the OS
- * @reply: reply message frame(lower 32bit addr)
- * Context: none.
- *
- * The callback handler when using _config_request.
- *
- * Return 1 meaning mf should be freed from _base_interrupt
- *        0 means the mf is freed from this function.
- */
-u8
-mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
-    u32 reply)
-{
-	MPI2DefaultReply_t *mpi_reply;
-
-	if (ioc->config_cmds.status == MPT2_CMD_NOT_USED)
-		return 1;
-	if (ioc->config_cmds.smid != smid)
-		return 1;
-	ioc->config_cmds.status |= MPT2_CMD_COMPLETE;
-	mpi_reply =  mpt2sas_base_get_reply_virt_addr(ioc, reply);
-	if (mpi_reply) {
-		ioc->config_cmds.status |= MPT2_CMD_REPLY_VALID;
-		memcpy(ioc->config_cmds.reply, mpi_reply,
-		    mpi_reply->MsgLength*4);
-	}
-	ioc->config_cmds.status &= ~MPT2_CMD_PENDING;
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-	_config_display_some_debug(ioc, smid, "config_done", mpi_reply);
-#endif
-	ioc->config_cmds.smid = USHRT_MAX;
-	complete(&ioc->config_cmds.done);
-	return 1;
-}
-
-/**
- * _config_request - main routine for sending config page requests
- * @ioc: per adapter object
- * @mpi_request: request message frame
- * @mpi_reply: reply mf payload returned from firmware
- * @timeout: timeout in seconds
- * @config_page: contents of the config page
- * @config_page_sz: size of config page
- * Context: sleep
- *
- * A generic API for config page requests to firmware.
- *
- * The ioc->config_cmds.status flag should be MPT2_CMD_NOT_USED before calling
- * this API.
- *
- * The callback index is set inside `ioc->config_cb_idx.
- *
- * Returns 0 for success, non-zero for failure.
- */
-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)
-{
-	u16 smid;
-	u32 ioc_state;
-	unsigned long timeleft;
-	Mpi2ConfigRequest_t *config_request;
-	int r;
-	u8 retry_count, issue_host_reset = 0;
-	u16 wait_state_count;
-	struct config_request mem;
-
-	mutex_lock(&ioc->config_cmds.mutex);
-	if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) {
-		printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n",
-		    ioc->name, __func__);
-		mutex_unlock(&ioc->config_cmds.mutex);
-		return -EAGAIN;
-	}
-
-	retry_count = 0;
-	memset(&mem, 0, sizeof(struct config_request));
-
-	mpi_request->VF_ID = 0; /* TODO */
-	mpi_request->VP_ID = 0;
-
-	if (config_page) {
-		mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion;
-		mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber;
-		mpi_request->Header.PageType = mpi_reply->Header.PageType;
-		mpi_request->Header.PageLength = mpi_reply->Header.PageLength;
-		mpi_request->ExtPageLength = mpi_reply->ExtPageLength;
-		mpi_request->ExtPageType = mpi_reply->ExtPageType;
-		if (mpi_request->Header.PageLength)
-			mem.sz = mpi_request->Header.PageLength * 4;
-		else
-			mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4;
-		r = _config_alloc_config_dma_memory(ioc, &mem);
-		if (r != 0)
-			goto out;
-		if (mpi_request->Action ==
-		    MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT ||
-		    mpi_request->Action ==
-		    MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM) {
-			ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
-			    MPT2_CONFIG_COMMON_WRITE_SGLFLAGS | mem.sz,
-			    mem.page_dma);
-			memcpy(mem.page, config_page, min_t(u16, mem.sz,
-			    config_page_sz));
-		} else {
-			memset(config_page, 0, config_page_sz);
-			ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
-			    MPT2_CONFIG_COMMON_SGLFLAGS | mem.sz, mem.page_dma);
-		}
-	}
-
- retry_config:
-	if (retry_count) {
-		if (retry_count > 2) { /* attempt only 2 retries */
-			r = -EFAULT;
-			goto free_mem;
-		}
-		printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
-		    ioc->name, __func__, retry_count);
-	}
-	wait_state_count = 0;
-	ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
-	while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
-		if (wait_state_count++ == MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT) {
-			printk(MPT2SAS_ERR_FMT
-			    "%s: failed due to ioc not operational\n",
-			    ioc->name, __func__);
-			ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-			r = -EFAULT;
-			goto free_mem;
-		}
-		ssleep(1);
-		ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
-		printk(MPT2SAS_INFO_FMT "%s: waiting for "
-		    "operational state(count=%d)\n", ioc->name,
-		    __func__, wait_state_count);
-	}
-	if (wait_state_count)
-		printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
-		    ioc->name, __func__);
-
-	smid = mpt2sas_base_get_smid(ioc, ioc->config_cb_idx);
-	if (!smid) {
-		printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
-		    ioc->name, __func__);
-		ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-		r = -EAGAIN;
-		goto free_mem;
-	}
-
-	r = 0;
-	memset(mpi_reply, 0, sizeof(Mpi2ConfigReply_t));
-	ioc->config_cmds.status = MPT2_CMD_PENDING;
-	config_request = mpt2sas_base_get_msg_frame(ioc, smid);
-	ioc->config_cmds.smid = smid;
-	memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t));
-#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
-	_config_display_some_debug(ioc, smid, "config_request", NULL);
-#endif
-	init_completion(&ioc->config_cmds.done);
-	mpt2sas_base_put_smid_default(ioc, smid);
-	timeleft = wait_for_completion_timeout(&ioc->config_cmds.done,
-	    timeout*HZ);
-	if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
-		printk(MPT2SAS_ERR_FMT "%s: timeout\n",
-		    ioc->name, __func__);
-		_debug_dump_mf(mpi_request,
-		    sizeof(Mpi2ConfigRequest_t)/4);
-		retry_count++;
-		if (ioc->config_cmds.smid == smid)
-			mpt2sas_base_free_smid(ioc, smid);
-		if ((ioc->shost_recovery) || (ioc->config_cmds.status &
-		    MPT2_CMD_RESET) || ioc->pci_error_recovery)
-			goto retry_config;
-		issue_host_reset = 1;
-		r = -EFAULT;
-		goto free_mem;
-	}
-
-	if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID)
-		memcpy(mpi_reply, ioc->config_cmds.reply,
-		    sizeof(Mpi2ConfigReply_t));
-	if (retry_count)
-		printk(MPT2SAS_INFO_FMT "%s: retry (%d) completed!!\n",
-		    ioc->name, __func__, retry_count);
-	if (config_page && mpi_request->Action ==
-	    MPI2_CONFIG_ACTION_PAGE_READ_CURRENT)
-		memcpy(config_page, mem.page, min_t(u16, mem.sz,
-		    config_page_sz));
- free_mem:
-	if (config_page)
-		_config_free_config_dma_memory(ioc, &mem);
- out:
-	ioc->config_cmds.status = MPT2_CMD_NOT_USED;
-	mutex_unlock(&ioc->config_cmds.mutex);
-
-	if (issue_host_reset)
-		mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
-		    FORCE_BIG_HAMMER);
-	return r;
-}
-
-/**
- * mpt2sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
-	mpi_request.Header.PageNumber = 10;
-	mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_bios_pg2 - obtain bios page 2
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
-	mpi_request.Header.PageNumber = 2;
-	mpi_request.Header.PageVersion = MPI2_BIOSPAGE2_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_bios_pg3 - obtain bios page 3
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2BiosPage3_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
-	mpi_request.Header.PageNumber = 3;
-	mpi_request.Header.PageVersion = MPI2_BIOSPAGE3_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg0 - obtain iounit page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg1 - obtain iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_set_iounit_pg1 - set iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg3 - obtain iounit page 3
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
-	Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
-	mpi_request.Header.PageNumber = 3;
-	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_iounit_pg8 - obtain iounit page 8
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
-	Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
-	mpi_request.Header.PageNumber = 8;
-	mpi_request.Header.PageVersion = MPI2_IOUNITPAGE8_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_ioc_pg8 - obtain ioc page 8
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
-	mpi_request.Header.PageNumber = 8;
-	mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_sas_device_pg0 - obtain sas device page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: device handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
-	mpi_request.Header.PageVersion = MPI2_SASDEVICE0_PAGEVERSION;
-	mpi_request.Header.PageNumber = 0;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_sas_device_pg1 - obtain sas device page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: device handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
-	mpi_request.Header.PageVersion = MPI2_SASDEVICE1_PAGEVERSION;
-	mpi_request.Header.PageNumber = 1;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_number_hba_phys - obtain number of phys on the host
- * @ioc: per adapter object
- * @num_phys: pointer returned with the number of phys
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-	u16 ioc_status;
-	Mpi2ConfigReply_t mpi_reply;
-	Mpi2SasIOUnitPage0_t config_page;
-
-	*num_phys = 0;
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, &mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, &mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
-	    sizeof(Mpi2SasIOUnitPage0_t));
-	if (!r) {
-		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
-		    MPI2_IOCSTATUS_MASK;
-		if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
-			*num_phys = config_page.NumPhys;
-	}
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Calling function should call config_get_number_hba_phys prior to
- * this function, so enough memory is allocated for config_page.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Calling function should call config_get_number_hba_phys prior to
- * this function, so enough memory is allocated for config_page.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_set_sas_iounit_pg1 - send sas iounit page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Calling function should call config_get_number_hba_phys prior to
- * this function, so enough memory is allocated for config_page.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
-	_config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_expander_pg0 - obtain expander page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: expander handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_SASEXPANDER0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_expander_pg1 - obtain expander page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @phy_number: phy number
- * @handle: expander handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number,
-    u16 handle)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_SASEXPANDER1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress =
-	    cpu_to_le32(MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM |
-	    (phy_number << MPI2_SAS_EXPAND_PGAD_PHYNUM_SHIFT) | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_enclosure_pg0 - obtain enclosure page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: expander handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_SASENCLOSURE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_phy_pg0 - obtain phy page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @phy_number: phy number
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_SASPHY0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress =
-	    cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_phy_pg1 - obtain phy page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @phy_number: phy number
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_SASPHY1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress =
-	    cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_raid_volume_pg1 - obtain raid volume page 1
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: volume handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
-    Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
-    u32 handle)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
-	mpi_request.Header.PageNumber = 1;
-	mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE1_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_number_pds - obtain number of phys disk assigned to volume
- * @ioc: per adapter object
- * @handle: volume handle
- * @num_pds: returns pds count
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
-    u8 *num_pds)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	Mpi2RaidVolPage0_t config_page;
-	Mpi2ConfigReply_t mpi_reply;
-	int r;
-	u16 ioc_status;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	*num_pds = 0;
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, &mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress =
-	    cpu_to_le32(MPI2_RAID_VOLUME_PGAD_FORM_HANDLE | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, &mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
-	    sizeof(Mpi2RaidVolPage0_t));
-	if (!r) {
-		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
-		    MPI2_IOCSTATUS_MASK;
-		if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
-			*num_pds = config_page.NumPhysDisks;
-	}
-
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_raid_volume_pg0 - obtain raid volume page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_HANDLE or HANDLE
- * @handle: volume handle
- * @sz: size of buffer passed in config_page
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-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)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | handle);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_phys_disk_pg0 - obtain phys disk page 0
- * @ioc: per adapter object
- * @mpi_reply: reply mf payload returned from firmware
- * @config_page: contents of the config page
- * @form: GET_NEXT_PHYSDISKNUM, PHYSDISKNUM, DEVHANDLE
- * @form_specific: specific to the form
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
-    *mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
-    u32 form_specific)
-{
-	Mpi2ConfigRequest_t mpi_request;
-	int r;
-
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK;
-	mpi_request.Header.PageNumber = 0;
-	mpi_request.Header.PageVersion = MPI2_RAIDPHYSDISKPAGE0_PAGEVERSION;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.PageAddress = cpu_to_le32(form | form_specific);
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	r = _config_request(ioc, &mpi_request, mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-	    sizeof(*config_page));
- out:
-	return r;
-}
-
-/**
- * mpt2sas_config_get_volume_handle - returns volume handle for give hidden raid components
- * @ioc: per adapter object
- * @pd_handle: phys disk handle
- * @volume_handle: volume handle
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
-    u16 *volume_handle)
-{
-	Mpi2RaidConfigurationPage0_t *config_page = NULL;
-	Mpi2ConfigRequest_t mpi_request;
-	Mpi2ConfigReply_t mpi_reply;
-	int r, i, config_page_sz;
-	u16 ioc_status;
-	int config_num;
-	u16 element_type;
-	u16 phys_disk_dev_handle;
-
-	*volume_handle = 0;
-	memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
-	mpi_request.Function = MPI2_FUNCTION_CONFIG;
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
-	mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
-	mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG;
-	mpi_request.Header.PageVersion = MPI2_RAIDCONFIG0_PAGEVERSION;
-	mpi_request.Header.PageNumber = 0;
-	mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
-	r = _config_request(ioc, &mpi_request, &mpi_reply,
-	    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
-	if (r)
-		goto out;
-
-	mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
-	config_page_sz = (le16_to_cpu(mpi_reply.ExtPageLength) * 4);
-	config_page = kmalloc(config_page_sz, GFP_KERNEL);
-	if (!config_page) {
-		r = -1;
-		goto out;
-	}
-	config_num = 0xff;
-	while (1) {
-		mpi_request.PageAddress = cpu_to_le32(config_num +
-		    MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM);
-		r = _config_request(ioc, &mpi_request, &mpi_reply,
-		    MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
-		    config_page_sz);
-		if (r)
-			goto out;
-		r = -1;
-		ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
-		    MPI2_IOCSTATUS_MASK;
-		if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
-			goto out;
-		for (i = 0; i < config_page->NumElements; i++) {
-			element_type = le16_to_cpu(config_page->
-			    ConfigElement[i].ElementFlags) &
-			    MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE;
-			if (element_type ==
-			    MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT ||
-			    element_type ==
-			    MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT) {
-				phys_disk_dev_handle =
-				    le16_to_cpu(config_page->ConfigElement[i].
-				    PhysDiskDevHandle);
-				if (phys_disk_dev_handle == pd_handle) {
-					*volume_handle =
-					    le16_to_cpu(config_page->
-					    ConfigElement[i].VolDevHandle);
-					r = 0;
-					goto out;
-				}
-			} else if (element_type ==
-			    MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT) {
-				*volume_handle = 0;
-				r = 0;
-				goto out;
-			}
-		}
-		config_num = config_page->ConfigNum;
-	}
- out:
-	kfree(config_page);
-	return r;
-}
-
-/**
- * mpt2sas_config_get_volume_wwid - returns wwid given the volume handle
- * @ioc: per adapter object
- * @volume_handle: volume handle
- * @wwid: volume wwid
- * Context: sleep.
- *
- * Returns 0 for success, non-zero for failure.
- */
-int
-mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
-    u64 *wwid)
-{
-	Mpi2ConfigReply_t mpi_reply;
-	Mpi2RaidVolPage1_t raid_vol_pg1;
-
-	*wwid = 0;
-	if (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
-	    &raid_vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE,
-	    volume_handle))) {
-		*wwid = le64_to_cpu(raid_vol_pg1.WWID);
-		return 0;
-	} else
-		return -1;
-}