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");
}
/**
- * 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:
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;
}
/**
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;
/*
* 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);
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);
}
/**
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) <
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);
}
}
"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;
}
}
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 ;
}
int i;
u32 max_cmd;
u32 sge_sz;
- u32 sgl_sz;
u32 total_sz;
u32 frame_count;
struct megasas_cmd *cmd;
}
/*
- * 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");
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;
- /* 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;
+ /*
+ * 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 {
- if (throttlequeuedepth > (instance->max_fw_cmds -
- MEGASAS_INT_CMDS))
- instance->throttlequeuedepth =
- MEGASAS_THROTTLE_QUEUE_DEPTH;
- else
- instance->throttlequeuedepth = throttlequeuedepth;
+ 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 (throttlequeuedepth &&
+ throttlequeuedepth <= instance->max_scsi_cmds)
+ instance->throttlequeuedepth = throttlequeuedepth;
+ else
+ instance->throttlequeuedepth =
+ MEGASAS_THROTTLE_QUEUE_DEPTH;
+
/*
* Setup tasklet for cmd completion
*/
*/
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;
((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 */
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;
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;
projects / deliverable / linux.git / blobdiff