X-Git-Url: http://git.cascardo.info/?p=cascardo%2Flinux.git;a=blobdiff_plain;f=drivers%2Fscsi%2Fmegaraid%2Fmegaraid_sas_base.c;h=4c3fc0eb8b3046e62a5ccee09c2ea144cf181495;hp=3d95b165436ef2674d27182b3f8a3c651f184aae;hb=cb8a4deaf9b2778653c4391d8ccb24c5ab159f9d;hpb=79ce48df755e6a5231cc1ac515e7988e1d715ce1
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 3d95b165436e..4c3fc0eb8b30 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1,7 +1,8 @@
/*
* Linux MegaRAID driver for SAS based RAID controllers
*
- * Copyright (c) 2003-2012 LSI Corporation.
+ * Copyright (c) 2003-2013 LSI Corporation
+ * Copyright (c) 2013-2014 Avago Technologies
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -14,22 +15,20 @@
* GNU General Public License for more details.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program. If not, see .
*
- * FILE: megaraid_sas_base.c
- * Version : 06.805.06.00-rc1
- *
- * Authors: LSI Corporation
+ * Authors: Avago Technologies
* Sreenivas Bagalkote
* Sumant Patro
* Bo Yang
- * Adam Radford
+ * Adam Radford
+ * Kashyap Desai
+ * Sumit Saxena
*
- * Send feedback to:
+ * Send feedback to: megaraidlinux.pdl@avagotech.com
*
- * Mail to: LSI Corporation, 1621 Barber Lane, Milpitas, CA 95035
- * ATTN: Linuxraid
+ * Mail to: Avago Technologies, 350 West Trimble Road, Building 90,
+ * San Jose, California 95131
*/
#include
@@ -79,7 +78,7 @@ static int allow_vf_ioctls;
module_param(allow_vf_ioctls, int, S_IRUGO);
MODULE_PARM_DESC(allow_vf_ioctls, "Allow ioctls in SR-IOV VF mode. Default: 0");
-static int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH;
+static unsigned int throttlequeuedepth = MEGASAS_THROTTLE_QUEUE_DEPTH;
module_param(throttlequeuedepth, int, S_IRUGO);
MODULE_PARM_DESC(throttlequeuedepth,
"Adapter queue depth when throttled due to I/O timeout. Default: 16");
@@ -1008,7 +1007,7 @@ megasas_issue_blocked_abort_cmd(struct megasas_instance *instance,
cpu_to_le32(upper_32_bits(cmd_to_abort->frame_phys_addr));
cmd->sync_cmd = 1;
- cmd->cmd_status = 0xFF;
+ cmd->cmd_status = ENODATA;
instance->instancet->issue_dcmd(instance, cmd);
@@ -1418,16 +1417,15 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
}
/**
- * megasas_is_ldio - Checks if the cmd is for logical drive
+ * megasas_cmd_type - Checks if the cmd is for logical drive/sysPD
+ * and whether it's RW or non RW
* @scmd: SCSI command
*
- * Called by megasas_queue_command to find out if the command to be queued
- * is a logical drive command
*/
-inline int megasas_is_ldio(struct scsi_cmnd *cmd)
+inline int megasas_cmd_type(struct scsi_cmnd *cmd)
{
- if (!MEGASAS_IS_LOGICAL(cmd))
- return 0;
+ int ret;
+
switch (cmd->cmnd[0]) {
case READ_10:
case WRITE_10:
@@ -1437,10 +1435,14 @@ inline int megasas_is_ldio(struct scsi_cmnd *cmd)
case WRITE_6:
case READ_16:
case WRITE_16:
- return 1;
+ ret = (MEGASAS_IS_LOGICAL(cmd)) ?
+ READ_WRITE_LDIO : READ_WRITE_SYSPDIO;
+ break;
default:
- return 0;
+ ret = (MEGASAS_IS_LOGICAL(cmd)) ?
+ NON_READ_WRITE_LDIO : NON_READ_WRITE_SYSPDIO;
}
+ return ret;
}
/**
@@ -1472,7 +1474,7 @@ megasas_dump_pending_frames(struct megasas_instance *instance)
if(!cmd->scmd)
continue;
printk(KERN_ERR "megasas[%d]: Frame addr :0x%08lx : ",instance->host->host_no,(unsigned long)cmd->frame_phys_addr);
- if (megasas_is_ldio(cmd->scmd)){
+ if (megasas_cmd_type(cmd->scmd) == READ_WRITE_LDIO) {
ldio = (struct megasas_io_frame *)cmd->frame;
mfi_sgl = &ldio->sgl;
sgcount = ldio->sge_count;
@@ -1532,7 +1534,7 @@ megasas_build_and_issue_cmd(struct megasas_instance *instance,
/*
* Logical drive command
*/
- if (megasas_is_ldio(scmd))
+ if (megasas_cmd_type(scmd) == READ_WRITE_LDIO)
frame_count = megasas_build_ldio(instance, scmd, cmd);
else
frame_count = megasas_build_dcdb(instance, scmd, cmd);
@@ -1572,6 +1574,12 @@ megasas_queue_command(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
instance = (struct megasas_instance *)
scmd->device->host->hostdata;
+ if (instance->unload == 1) {
+ scmd->result = DID_NO_CONNECT << 16;
+ scmd->scsi_done(scmd);
+ return 0;
+ }
+
if (instance->issuepend_done == 0)
return SCSI_MLQUEUE_HOST_BUSY;
@@ -1684,22 +1692,66 @@ static int megasas_slave_alloc(struct scsi_device *sdev)
return 0;
}
+/*
+* megasas_complete_outstanding_ioctls - Complete outstanding ioctls after a
+* kill adapter
+* @instance: Adapter soft state
+*
+*/
+void megasas_complete_outstanding_ioctls(struct megasas_instance *instance)
+{
+ int i;
+ struct megasas_cmd *cmd_mfi;
+ struct megasas_cmd_fusion *cmd_fusion;
+ struct fusion_context *fusion = instance->ctrl_context;
+
+ /* Find all outstanding ioctls */
+ if (fusion) {
+ for (i = 0; i < instance->max_fw_cmds; i++) {
+ cmd_fusion = fusion->cmd_list[i];
+ if (cmd_fusion->sync_cmd_idx != (u32)ULONG_MAX) {
+ cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
+ if (cmd_mfi->sync_cmd &&
+ cmd_mfi->frame->hdr.cmd != MFI_CMD_ABORT)
+ megasas_complete_cmd(instance,
+ cmd_mfi, DID_OK);
+ }
+ }
+ } else {
+ for (i = 0; i < instance->max_fw_cmds; i++) {
+ cmd_mfi = instance->cmd_list[i];
+ if (cmd_mfi->sync_cmd && cmd_mfi->frame->hdr.cmd !=
+ MFI_CMD_ABORT)
+ megasas_complete_cmd(instance, cmd_mfi, DID_OK);
+ }
+ }
+}
+
+
void megaraid_sas_kill_hba(struct megasas_instance *instance)
{
+ /* Set critical error to block I/O & ioctls in case caller didn't */
+ instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
+ /* Wait 1 second to ensure IO or ioctls in build have posted */
+ msleep(1000);
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
- writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ writel(MFI_STOP_ADP,
+ &instance->reg_set->doorbell);
/* Flush */
readl(&instance->reg_set->doorbell);
if (instance->mpio && instance->requestorId)
memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
} else {
- writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell);
+ writel(MFI_STOP_ADP,
+ &instance->reg_set->inbound_doorbell);
}
+ /* Complete outstanding ioctls when adapter is killed */
+ megasas_complete_outstanding_ioctls(instance);
}
/**
@@ -1712,6 +1764,7 @@ void
megasas_check_and_restore_queue_depth(struct megasas_instance *instance)
{
unsigned long flags;
+
if (instance->flag & MEGASAS_FW_BUSY
&& time_after(jiffies, instance->last_time + 5 * HZ)
&& atomic_read(&instance->fw_outstanding) <
@@ -1719,13 +1772,8 @@ megasas_check_and_restore_queue_depth(struct megasas_instance *instance)
spin_lock_irqsave(instance->host->host_lock, flags);
instance->flag &= ~MEGASAS_FW_BUSY;
- if (instance->is_imr) {
- instance->host->can_queue =
- instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
- } else
- instance->host->can_queue =
- instance->max_fw_cmds - MEGASAS_INT_CMDS;
+ instance->host->can_queue = instance->max_scsi_cmds;
spin_unlock_irqrestore(instance->host->host_lock, flags);
}
}
@@ -2586,20 +2634,6 @@ megasas_service_aen(struct megasas_instance *instance, struct megasas_cmd *cmd)
}
}
-static int megasas_change_queue_depth(struct scsi_device *sdev,
- int queue_depth, int reason)
-{
- if (reason != SCSI_QDEPTH_DEFAULT)
- return -EOPNOTSUPP;
-
- if (queue_depth > sdev->host->can_queue)
- queue_depth = sdev->host->can_queue;
- scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev),
- queue_depth);
-
- return queue_depth;
-}
-
static ssize_t
megasas_fw_crash_buffer_store(struct device *cdev,
struct device_attribute *attr, const char *buf, size_t count)
@@ -2764,7 +2798,7 @@ static struct scsi_host_template megasas_template = {
.shost_attrs = megaraid_host_attrs,
.bios_param = megasas_bios_param,
.use_clustering = ENABLE_CLUSTERING,
- .change_queue_depth = megasas_change_queue_depth,
+ .change_queue_depth = scsi_change_queue_depth,
.no_write_same = 1,
};
@@ -3037,10 +3071,9 @@ megasas_issue_pending_cmds_again(struct megasas_instance *instance)
"was tried multiple times during reset."
"Shutting down the HBA\n",
cmd, cmd->scmd, cmd->sync_cmd);
+ instance->instancet->disable_intr(instance);
+ atomic_set(&instance->fw_reset_no_pci_access, 1);
megaraid_sas_kill_hba(instance);
-
- instance->adprecovery =
- MEGASAS_HW_CRITICAL_ERROR;
return;
}
}
@@ -3174,8 +3207,8 @@ process_fw_state_change_wq(struct work_struct *work)
if (megasas_transition_to_ready(instance, 1)) {
printk(KERN_NOTICE "megaraid_sas:adapter not ready\n");
+ atomic_set(&instance->fw_reset_no_pci_access, 1);
megaraid_sas_kill_hba(instance);
- instance->adprecovery = MEGASAS_HW_CRITICAL_ERROR;
return ;
}
@@ -3556,7 +3589,6 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
int i;
u32 max_cmd;
u32 sge_sz;
- u32 sgl_sz;
u32 total_sz;
u32 frame_count;
struct megasas_cmd *cmd;
@@ -3575,24 +3607,23 @@ static int megasas_create_frame_pool(struct megasas_instance *instance)
}
/*
- * Calculated the number of 64byte frames required for SGL
- */
- sgl_sz = sge_sz * instance->max_num_sge;
- frame_count = (sgl_sz + MEGAMFI_FRAME_SIZE - 1) / MEGAMFI_FRAME_SIZE;
- frame_count = 15;
-
- /*
- * We need one extra frame for the MFI command
+ * For MFI controllers.
+ * max_num_sge = 60
+ * max_sge_sz = 16 byte (sizeof megasas_sge_skinny)
+ * Total 960 byte (15 MFI frame of 64 byte)
+ *
+ * Fusion adapter require only 3 extra frame.
+ * max_num_sge = 16 (defined as MAX_IOCTL_SGE)
+ * max_sge_sz = 12 byte (sizeof megasas_sge64)
+ * Total 192 byte (3 MFI frame of 64 byte)
*/
- frame_count++;
-
+ frame_count = instance->ctrl_context ? (3 + 1) : (15 + 1);
total_sz = MEGAMFI_FRAME_SIZE * frame_count;
/*
* Use DMA pool facility provided by PCI layer
*/
instance->frame_dma_pool = pci_pool_create("megasas frame pool",
- instance->pdev, total_sz, 64,
- 0);
+ instance->pdev, total_sz, 256, 0);
if (!instance->frame_dma_pool) {
printk(KERN_DEBUG "megasas: failed to setup frame pool\n");
@@ -4028,25 +4059,83 @@ megasas_ld_list_query(struct megasas_instance *instance, u8 query_type)
return ret;
}
+/*
+ * megasas_update_ext_vd_details : Update details w.r.t Extended VD
+ * instance : Controller's instance
+*/
+static void megasas_update_ext_vd_details(struct megasas_instance *instance)
+{
+ struct fusion_context *fusion;
+ u32 old_map_sz;
+ u32 new_map_sz;
+
+ fusion = instance->ctrl_context;
+ /* For MFI based controllers return dummy success */
+ if (!fusion)
+ return;
+
+ instance->supportmax256vd =
+ instance->ctrl_info->adapterOperations3.supportMaxExtLDs;
+ /* Below is additional check to address future FW enhancement */
+ if (instance->ctrl_info->max_lds > 64)
+ instance->supportmax256vd = 1;
+
+ instance->drv_supported_vd_count = MEGASAS_MAX_LD_CHANNELS
+ * MEGASAS_MAX_DEV_PER_CHANNEL;
+ instance->drv_supported_pd_count = MEGASAS_MAX_PD_CHANNELS
+ * MEGASAS_MAX_DEV_PER_CHANNEL;
+ if (instance->supportmax256vd) {
+ instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES_EXT;
+ instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
+ } else {
+ instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES;
+ instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
+ }
+ dev_info(&instance->pdev->dev, "Firmware supports %d VD %d PD\n",
+ instance->fw_supported_vd_count,
+ instance->fw_supported_pd_count);
+ dev_info(&instance->pdev->dev, "Driver supports %d VD %d PD\n",
+ instance->drv_supported_vd_count,
+ instance->drv_supported_pd_count);
+
+ old_map_sz = sizeof(struct MR_FW_RAID_MAP) +
+ (sizeof(struct MR_LD_SPAN_MAP) *
+ (instance->fw_supported_vd_count - 1));
+ new_map_sz = sizeof(struct MR_FW_RAID_MAP_EXT);
+ fusion->drv_map_sz = sizeof(struct MR_DRV_RAID_MAP) +
+ (sizeof(struct MR_LD_SPAN_MAP) *
+ (instance->drv_supported_vd_count - 1));
+
+ fusion->max_map_sz = max(old_map_sz, new_map_sz);
+
+
+ if (instance->supportmax256vd)
+ fusion->current_map_sz = new_map_sz;
+ else
+ fusion->current_map_sz = old_map_sz;
+
+}
+
/**
* megasas_get_controller_info - Returns FW's controller structure
* @instance: Adapter soft state
- * @ctrl_info: Controller information structure
*
* Issues an internal command (DCMD) to get the FW's controller structure.
* This information is mainly used to find out the maximum IO transfer per
* command supported by the FW.
*/
int
-megasas_get_ctrl_info(struct megasas_instance *instance,
- struct megasas_ctrl_info *ctrl_info)
+megasas_get_ctrl_info(struct megasas_instance *instance)
{
int ret = 0;
struct megasas_cmd *cmd;
struct megasas_dcmd_frame *dcmd;
struct megasas_ctrl_info *ci;
+ struct megasas_ctrl_info *ctrl_info;
dma_addr_t ci_h = 0;
+ ctrl_info = instance->ctrl_info;
+
cmd = megasas_get_cmd(instance);
if (!cmd) {
@@ -4086,8 +4175,13 @@ megasas_get_ctrl_info(struct megasas_instance *instance,
else
ret = megasas_issue_polled(instance, cmd);
- if (!ret)
+ if (!ret) {
memcpy(ctrl_info, ci, sizeof(struct megasas_ctrl_info));
+ le32_to_cpus((u32 *)&ctrl_info->properties.OnOffProperties);
+ le32_to_cpus((u32 *)&ctrl_info->adapterOperations2);
+ le32_to_cpus((u32 *)&ctrl_info->adapterOperations3);
+ megasas_update_ext_vd_details(instance);
+ }
pci_free_consistent(instance->pdev, sizeof(struct megasas_ctrl_info),
ci, ci_h);
@@ -4289,7 +4383,7 @@ megasas_init_adapter_mfi(struct megasas_instance *instance)
if (megasas_issue_init_mfi(instance))
goto fail_fw_init;
- if (megasas_get_ctrl_info(instance, instance->ctrl_info)) {
+ if (megasas_get_ctrl_info(instance)) {
dev_err(&instance->pdev->dev, "(%d): Could get controller info "
"Fail from %s %d\n", instance->unique_id,
__func__, __LINE__);
@@ -4527,12 +4621,8 @@ static int megasas_init_fw(struct megasas_instance *instance)
dev_info(&instance->pdev->dev,
"Controller type: iMR\n");
}
- /* OnOffProperties are converted into CPU arch*/
- le32_to_cpus((u32 *)&ctrl_info->properties.OnOffProperties);
instance->disableOnlineCtrlReset =
ctrl_info->properties.OnOffProperties.disableOnlineCtrlReset;
- /* adapterOperations2 are converted into CPU arch*/
- le32_to_cpus((u32 *)&ctrl_info->adapterOperations2);
instance->mpio = ctrl_info->adapterOperations2.mpio;
instance->UnevenSpanSupport =
ctrl_info->adapterOperations2.supportUnevenSpans;
@@ -4562,7 +4652,6 @@ static int megasas_init_fw(struct megasas_instance *instance)
"requestorId %d\n", instance->requestorId);
}
- le32_to_cpus((u32 *)&ctrl_info->adapterOperations3);
instance->crash_dump_fw_support =
ctrl_info->adapterOperations3.supportCrashDump;
instance->crash_dump_drv_support =
@@ -4582,29 +4671,47 @@ static int megasas_init_fw(struct megasas_instance *instance)
instance->crash_dump_h);
instance->crash_dump_buf = NULL;
}
+
+ instance->secure_jbod_support =
+ ctrl_info->adapterOperations3.supportSecurityonJBOD;
+ if (instance->secure_jbod_support)
+ dev_info(&instance->pdev->dev, "Firmware supports Secure JBOD\n");
instance->max_sectors_per_req = instance->max_num_sge *
PAGE_SIZE / 512;
if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors))
instance->max_sectors_per_req = tmp_sectors;
- kfree(ctrl_info);
+ /*
+ * 1. For fusion adapters, 3 commands for IOCTL and 5 commands
+ * for driver's internal DCMDs.
+ * 2. For MFI skinny adapters, 5 commands for IOCTL + driver's
+ * internal DCMDs.
+ * 3. For rest of MFI adapters, 27 commands reserved for IOCTLs
+ * and 5 commands for drivers's internal DCMD.
+ */
+ if (instance->ctrl_context) {
+ instance->max_scsi_cmds = instance->max_fw_cmds -
+ (MEGASAS_FUSION_INTERNAL_CMDS +
+ MEGASAS_FUSION_IOCTL_CMDS);
+ sema_init(&instance->ioctl_sem, MEGASAS_FUSION_IOCTL_CMDS);
+ } else if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ instance->max_scsi_cmds = instance->max_fw_cmds -
+ MEGASAS_SKINNY_INT_CMDS;
+ sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
+ } else {
+ instance->max_scsi_cmds = instance->max_fw_cmds -
+ MEGASAS_INT_CMDS;
+ sema_init(&instance->ioctl_sem, (MEGASAS_INT_CMDS - 5));
+ }
/* Check for valid throttlequeuedepth module parameter */
- if (instance->is_imr) {
- if (throttlequeuedepth > (instance->max_fw_cmds -
- MEGASAS_SKINNY_INT_CMDS))
- instance->throttlequeuedepth =
- MEGASAS_THROTTLE_QUEUE_DEPTH;
- else
- instance->throttlequeuedepth = throttlequeuedepth;
- } else {
- if (throttlequeuedepth > (instance->max_fw_cmds -
- MEGASAS_INT_CMDS))
- instance->throttlequeuedepth =
+ if (throttlequeuedepth &&
+ throttlequeuedepth <= instance->max_scsi_cmds)
+ instance->throttlequeuedepth = throttlequeuedepth;
+ else
+ instance->throttlequeuedepth =
MEGASAS_THROTTLE_QUEUE_DEPTH;
- else
- instance->throttlequeuedepth = throttlequeuedepth;
- }
/*
* Setup tasklet for cmd completion
@@ -4900,12 +5007,7 @@ static int megasas_io_attach(struct megasas_instance *instance)
*/
host->irq = instance->pdev->irq;
host->unique_id = instance->unique_id;
- if (instance->is_imr) {
- host->can_queue =
- instance->max_fw_cmds - MEGASAS_SKINNY_INT_CMDS;
- } else
- host->can_queue =
- instance->max_fw_cmds - MEGASAS_INT_CMDS;
+ host->can_queue = instance->max_scsi_cmds;
host->this_id = instance->init_id;
host->sg_tablesize = instance->max_num_sge;
@@ -4957,10 +5059,6 @@ static int megasas_io_attach(struct megasas_instance *instance)
return -ENODEV;
}
- /*
- * Trigger SCSI to scan our drives
- */
- scsi_scan_host(host);
return 0;
}
@@ -5083,10 +5181,10 @@ static int megasas_probe_one(struct pci_dev *pdev,
goto fail_alloc_dma_buf;
}
fusion = instance->ctrl_context;
+ memset(fusion, 0,
+ ((1 << PAGE_SHIFT) << instance->ctrl_context_pages));
INIT_LIST_HEAD(&fusion->cmd_pool);
spin_lock_init(&fusion->mpt_pool_lock);
- memset(fusion->load_balance_info, 0,
- sizeof(struct LD_LOAD_BALANCE_INFO) * MAX_LOGICAL_DRIVES_EXT);
}
break;
default: /* For all other supported controllers */
@@ -5170,12 +5268,10 @@ static int megasas_probe_one(struct pci_dev *pdev,
instance->init_id = MEGASAS_DEFAULT_INIT_ID;
instance->ctrl_info = NULL;
+
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY)) {
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY))
instance->flag_ieee = 1;
- sema_init(&instance->ioctl_sem, MEGASAS_SKINNY_INT_CMDS);
- } else
- sema_init(&instance->ioctl_sem, (MEGASAS_INT_CMDS - 5));
megasas_dbg_lvl = 0;
instance->flag = 0;
@@ -5288,6 +5384,10 @@ retry_irq_register:
goto fail_io_attach;
instance->unload = 0;
+ /*
+ * Trigger SCSI to scan our drives
+ */
+ scsi_scan_host(host);
/*
* Initiate AEN (Asynchronous Event Notification)
@@ -6051,6 +6151,11 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
megasas_issue_blocked_cmd(instance, cmd, 0);
cmd->sync_cmd = 0;
+ if (instance->unload == 1) {
+ dev_info(&instance->pdev->dev, "Driver unload is in progress "
+ "don't submit data to application\n");
+ goto out;
+ }
/*
* copy out the kernel buffers to user buffers
*/
@@ -6161,9 +6266,6 @@ static int megasas_mgmt_ioctl_fw(struct file *file, unsigned long arg)
goto out_kfree_ioc;
}
- /*
- * We will allow only MEGASAS_INT_CMDS number of parallel ioctl cmds
- */
if (down_interruptible(&instance->ioctl_sem)) {
error = -ERESTARTSYS;
goto out_kfree_ioc;
@@ -6399,16 +6501,6 @@ static ssize_t megasas_sysfs_show_version(struct device_driver *dd, char *buf)
static DRIVER_ATTR(version, S_IRUGO, megasas_sysfs_show_version, NULL);
-static ssize_t
-megasas_sysfs_show_release_date(struct device_driver *dd, char *buf)
-{
- return snprintf(buf, strlen(MEGASAS_RELDATE) + 2, "%s\n",
- MEGASAS_RELDATE);
-}
-
-static DRIVER_ATTR(release_date, S_IRUGO, megasas_sysfs_show_release_date,
- NULL);
-
static ssize_t
megasas_sysfs_show_support_poll_for_event(struct device_driver *dd, char *buf)
{
@@ -6712,8 +6804,7 @@ static int __init megasas_init(void)
/*
* Announce driver version and other information
*/
- printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION,
- MEGASAS_EXT_VERSION);
+ pr_info("megasas: %s\n", MEGASAS_VERSION);
spin_lock_init(&poll_aen_lock);
@@ -6748,10 +6839,6 @@ static int __init megasas_init(void)
&driver_attr_version);
if (rval)
goto err_dcf_attr_ver;
- rval = driver_create_file(&megasas_pci_driver.driver,
- &driver_attr_release_date);
- if (rval)
- goto err_dcf_rel_date;
rval = driver_create_file(&megasas_pci_driver.driver,
&driver_attr_support_poll_for_event);
@@ -6775,12 +6862,7 @@ err_dcf_support_device_change:
err_dcf_dbg_lvl:
driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_support_poll_for_event);
-
err_dcf_support_poll_for_event:
- driver_remove_file(&megasas_pci_driver.driver,
- &driver_attr_release_date);
-
-err_dcf_rel_date:
driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
err_dcf_attr_ver:
pci_unregister_driver(&megasas_pci_driver);
@@ -6800,8 +6882,6 @@ static void __exit megasas_exit(void)
&driver_attr_support_poll_for_event);
driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_support_device_change);
- driver_remove_file(&megasas_pci_driver.driver,
- &driver_attr_release_date);
driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
pci_unregister_driver(&megasas_pci_driver);