#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_dbg.h>
+#include <linux/dmi.h>
#include "megaraid_sas_fusion.h"
#include "megaraid_sas.h"
+
extern void megasas_free_cmds(struct megasas_instance *instance);
extern struct megasas_cmd *megasas_get_cmd(struct megasas_instance
*instance);
* megasas_get_cmd_fusion - Get a command from the free pool
* @instance: Adapter soft state
*
- * Returns a free command from the pool
+ * Returns a blk_tag indexed mpt frame
*/
-struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance
- *instance)
+inline struct megasas_cmd_fusion *megasas_get_cmd_fusion(struct megasas_instance
+ *instance, u32 blk_tag)
{
- unsigned long flags;
- struct fusion_context *fusion =
- (struct fusion_context *)instance->ctrl_context;
- struct megasas_cmd_fusion *cmd = NULL;
-
- spin_lock_irqsave(&fusion->mpt_pool_lock, flags);
-
- if (!list_empty(&fusion->cmd_pool)) {
- cmd = list_entry((&fusion->cmd_pool)->next,
- struct megasas_cmd_fusion, list);
- list_del_init(&cmd->list);
- } else {
- printk(KERN_ERR "megasas: Command pool (fusion) empty!\n");
- }
+ struct fusion_context *fusion;
- spin_unlock_irqrestore(&fusion->mpt_pool_lock, flags);
- return cmd;
+ fusion = instance->ctrl_context;
+ return fusion->cmd_list[blk_tag];
}
/**
inline void megasas_return_cmd_fusion(struct megasas_instance *instance,
struct megasas_cmd_fusion *cmd)
{
- unsigned long flags;
- struct fusion_context *fusion =
- (struct fusion_context *)instance->ctrl_context;
-
- spin_lock_irqsave(&fusion->mpt_pool_lock, flags);
-
cmd->scmd = NULL;
- cmd->sync_cmd_idx = (u32)ULONG_MAX;
memset(cmd->io_request, 0, sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
- list_add(&cmd->list, (&fusion->cmd_pool)->next);
-
- spin_unlock_irqrestore(&fusion->mpt_pool_lock, flags);
}
/**
- * megasas_return_mfi_mpt_pthr - Return a mfi and mpt to free command pool
- * @instance: Adapter soft state
- * @cmd_mfi: MFI Command packet to be returned to free command pool
- * @cmd_mpt: MPT Command packet to be returned to free command pool
+ * megasas_fire_cmd_fusion - Sends command to the FW
*/
-inline void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
- struct megasas_cmd *cmd_mfi,
- struct megasas_cmd_fusion *cmd_fusion)
+static void
+megasas_fire_cmd_fusion(struct megasas_instance *instance,
+ union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc)
{
+#if defined(writeq) && defined(CONFIG_64BIT)
+ u64 req_data = (((u64)le32_to_cpu(req_desc->u.high) << 32) |
+ le32_to_cpu(req_desc->u.low));
+
+ writeq(req_data, &instance->reg_set->inbound_low_queue_port);
+#else
unsigned long flags;
- /*
- * TO DO: optimize this code and use only one lock instead of two
- * locks being used currently- mpt_pool_lock is acquired
- * inside mfi_pool_lock
- */
- spin_lock_irqsave(&instance->mfi_pool_lock, flags);
- megasas_return_cmd_fusion(instance, cmd_fusion);
- if (atomic_read(&cmd_mfi->mfi_mpt_pthr) != MFI_MPT_ATTACHED)
- dev_err(&instance->pdev->dev, "Possible bug from %s %d\n",
- __func__, __LINE__);
- atomic_set(&cmd_mfi->mfi_mpt_pthr, MFI_MPT_DETACHED);
- __megasas_return_cmd(instance, cmd_mfi);
- spin_unlock_irqrestore(&instance->mfi_pool_lock, flags);
+ spin_lock_irqsave(&instance->hba_lock, flags);
+ writel(le32_to_cpu(req_desc->u.low),
+ &instance->reg_set->inbound_low_queue_port);
+ writel(le32_to_cpu(req_desc->u.high),
+ &instance->reg_set->inbound_high_queue_port);
+ spin_unlock_irqrestore(&instance->hba_lock, flags);
+#endif
}
+
/**
* megasas_teardown_frame_pool_fusion - Destroy the cmd frame DMA pool
* @instance: Adapter soft state
kfree(fusion->cmd_list);
fusion->cmd_list = NULL;
- INIT_LIST_HEAD(&fusion->cmd_pool);
}
/**
reply_desc = fusion->reply_frames_desc;
for (i = 0; i < fusion->reply_q_depth * count; i++, reply_desc++)
- reply_desc->Words = ULLONG_MAX;
+ reply_desc->Words = cpu_to_le64(ULLONG_MAX);
io_frames_sz = fusion->io_frames_alloc_sz;
memset(cmd, 0, sizeof(struct megasas_cmd_fusion));
cmd->index = i + 1;
cmd->scmd = NULL;
- cmd->sync_cmd_idx = (u32)ULONG_MAX; /* Set to Invalid */
+ cmd->sync_cmd_idx = (i >= instance->max_scsi_cmds) ?
+ (i - instance->max_scsi_cmds) :
+ (u32)ULONG_MAX; /* Set to Invalid */
cmd->instance = instance;
cmd->io_request =
(struct MPI2_RAID_SCSI_IO_REQUEST *)
memset(cmd->io_request, 0,
sizeof(struct MPI2_RAID_SCSI_IO_REQUEST));
cmd->io_request_phys_addr = io_req_base_phys + offset;
-
- list_add_tail(&cmd->list, &fusion->cmd_pool);
}
/*
msleep(20);
}
- if (frame_hdr->cmd_status == 0xff) {
- if (fusion)
- megasas_return_mfi_mpt_pthr(instance, cmd,
- cmd->mpt_pthr_cmd_blocked);
+ if (frame_hdr->cmd_status == 0xff)
return -ETIME;
- }
- return 0;
+ return (frame_hdr->cmd_status == MFI_STAT_OK) ?
+ 0 : 1;
}
/**
union MEGASAS_REQUEST_DESCRIPTOR_UNION req_desc;
int i;
struct megasas_header *frame_hdr;
+ const char *sys_info;
fusion = instance->ctrl_context;
frame_hdr = &cmd->frame->hdr;
frame_hdr->cmd_status = 0xFF;
- frame_hdr->flags |= cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE);
+ frame_hdr->flags = cpu_to_le16(
+ le16_to_cpu(frame_hdr->flags) |
+ MFI_FRAME_DONT_POST_IN_REPLY_QUEUE);
init_frame->cmd = MFI_CMD_INIT;
init_frame->cmd_status = 0xFF;
/* Convert capability to LE32 */
cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities);
+ sys_info = dmi_get_system_info(DMI_PRODUCT_UUID);
+ if (instance->system_info_buf && sys_info) {
+ memcpy(instance->system_info_buf->systemId, sys_info,
+ strlen(sys_info) > 64 ? 64 : strlen(sys_info));
+ instance->system_info_buf->systemIdLength =
+ strlen(sys_info) > 64 ? 64 : strlen(sys_info);
+ init_frame->system_info_lo = instance->system_info_h;
+ init_frame->system_info_hi = 0;
+ }
+
init_frame->queue_info_new_phys_addr_hi =
cpu_to_le32(upper_32_bits(ioc_init_handle));
init_frame->queue_info_new_phys_addr_lo =
break;
}
- instance->instancet->fire_cmd(instance, req_desc.u.low,
- req_desc.u.high, instance->reg_set);
+ megasas_fire_cmd_fusion(instance, &req_desc);
wait_and_poll(instance, cmd, MFI_POLL_TIMEOUT_SECS);
else
ret = megasas_issue_polled(instance, cmd);
- if (instance->ctrl_context && cmd->mpt_pthr_cmd_blocked)
- megasas_return_mfi_mpt_pthr(instance, cmd,
- cmd->mpt_pthr_cmd_blocked);
- else
- megasas_return_cmd(instance, cmd);
+ megasas_return_cmd(instance, cmd);
return ret;
}
for (i = 0 ; i < count; i++)
fusion->last_reply_idx[i] = 0;
+ /*
+ * For fusion adapters, 3 commands for IOCTL and 5 commands
+ * for driver's internal DCMDs.
+ */
+ 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);
+
/*
* Allocate memory for descriptors
* Create a pool of commands
return 1;
}
-/**
- * megasas_fire_cmd_fusion - Sends command to the FW
- * @frame_phys_addr : Physical address of cmd
- * @frame_count : Number of frames for the command
- * @regs : MFI register set
- */
-void
-megasas_fire_cmd_fusion(struct megasas_instance *instance,
- dma_addr_t req_desc_lo,
- u32 req_desc_hi,
- struct megasas_register_set __iomem *regs)
-{
-#if defined(writeq) && defined(CONFIG_64BIT)
- u64 req_data = (((u64)le32_to_cpu(req_desc_hi) << 32) |
- le32_to_cpu(req_desc_lo));
-
- writeq(req_data, &(regs)->inbound_low_queue_port);
-#else
- unsigned long flags;
-
- spin_lock_irqsave(&instance->hba_lock, flags);
-
- writel(le32_to_cpu(req_desc_lo), &(regs)->inbound_low_queue_port);
- writel(le32_to_cpu(req_desc_hi), &(regs)->inbound_high_queue_port);
- spin_unlock_irqrestore(&instance->hba_lock, flags);
-#endif
-}
-
/**
* map_cmd_status - Maps FW cmd status to OS cmd status
* @cmd : Pointer to cmd
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
u8 *raidLUN;
- device_id = MEGASAS_DEV_INDEX(instance, scp);
+ device_id = MEGASAS_DEV_INDEX(scp);
fusion = instance->ctrl_context;
cmd->pd_r1_lb = io_info.pd_after_lb;
} else
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
+
+ if ((raidLUN[0] == 1) &&
+ (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 2)) {
+ instance->dev_handle = !(instance->dev_handle);
+ io_info.devHandle =
+ local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle];
+ }
+
cmd->request_desc->SCSIIO.DevHandle = io_info.devHandle;
io_request->DevHandle = io_info.devHandle;
/* populate the LUN field */
}
/**
- * megasas_build_dcdb_fusion - Prepares IOs to devices
+ * megasas_build_ld_nonrw_fusion - prepares non rw ios for virtual disk
* @instance: Adapter soft state
* @scp: SCSI command
* @cmd: Command to be prepared
*
- * Prepares the io_request frame for non-io cmds
+ * Prepares the io_request frame for non-rw io cmds for vd.
*/
-static void
-megasas_build_dcdb_fusion(struct megasas_instance *instance,
- struct scsi_cmnd *scmd,
- struct megasas_cmd_fusion *cmd)
+static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
+ struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd)
{
u32 device_id;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
u16 pd_index = 0;
- u16 os_timeout_value;
- u16 timeout_limit;
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
struct fusion_context *fusion = instance->ctrl_context;
u8 span, physArm;
- u16 devHandle;
+ __le16 devHandle;
u32 ld, arRef, pd;
struct MR_LD_RAID *raid;
struct RAID_CONTEXT *pRAID_Context;
+ u8 fp_possible = 1;
io_request = cmd->io_request;
- device_id = MEGASAS_DEV_INDEX(instance, scmd);
- pd_index = (scmd->device->channel * MEGASAS_MAX_DEV_PER_CHANNEL)
- +scmd->device->id;
+ device_id = MEGASAS_DEV_INDEX(scmd);
+ pd_index = MEGASAS_PD_INDEX(scmd);
local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
-
io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
+ /* get RAID_Context pointer */
+ pRAID_Context = &io_request->RaidContext;
+ /* Check with FW team */
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
+ pRAID_Context->regLockRowLBA = 0;
+ pRAID_Context->regLockLength = 0;
- if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
- instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
- if (fusion->fast_path_io)
- io_request->DevHandle =
- local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
- io_request->RaidContext.RAIDFlags =
- MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
- << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
- cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
- cmd->request_desc->SCSIIO.MSIxIndex =
- instance->msix_vectors ?
- raw_smp_processor_id() %
- instance->msix_vectors :
- 0;
- os_timeout_value = scmd->request->timeout / HZ;
-
- if (instance->secure_jbod_support &&
- (megasas_cmd_type(scmd) == NON_READ_WRITE_SYSPDIO)) {
- /* system pd firmware path */
- io_request->Function =
- MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
- cmd->request_desc->SCSIIO.RequestFlags =
- (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- io_request->RaidContext.timeoutValue =
- cpu_to_le16(os_timeout_value);
- } else {
- /* system pd Fast Path */
- io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
- io_request->RaidContext.regLockFlags = 0;
- io_request->RaidContext.regLockRowLBA = 0;
- io_request->RaidContext.regLockLength = 0;
- timeout_limit = (scmd->device->type == TYPE_DISK) ?
- 255 : 0xFFFF;
- io_request->RaidContext.timeoutValue =
- cpu_to_le16((os_timeout_value > timeout_limit) ?
- timeout_limit : os_timeout_value);
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
- io_request->IoFlags |=
- cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
-
- cmd->request_desc->SCSIIO.RequestFlags =
- (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- }
- } else {
- if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS)
- goto NonFastPath;
-
- /*
- * For older firmware, Driver should not access ldTgtIdToLd
- * beyond index 127 and for Extended VD firmware, ldTgtIdToLd
- * should not go beyond 255.
- */
-
- if ((!fusion->fast_path_io) ||
- (device_id >= instance->fw_supported_vd_count))
- goto NonFastPath;
+ if (fusion->fast_path_io && (
+ device_id < instance->fw_supported_vd_count)) {
ld = MR_TargetIdToLdGet(device_id, local_map_ptr);
-
if (ld >= instance->fw_supported_vd_count)
- goto NonFastPath;
+ fp_possible = 0;
raid = MR_LdRaidGet(ld, local_map_ptr);
-
- /* check if this LD is FP capable */
if (!(raid->capability.fpNonRWCapable))
- /* not FP capable, send as non-FP */
- goto NonFastPath;
+ fp_possible = 0;
+ } else
+ fp_possible = 0;
- /* get RAID_Context pointer */
- pRAID_Context = &io_request->RaidContext;
+ if (!fp_possible) {
+ io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
+ io_request->DevHandle = cpu_to_le16(device_id);
+ io_request->LUN[1] = scmd->device->lun;
+ pRAID_Context->timeoutValue =
+ cpu_to_le16 (scmd->request->timeout / HZ);
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ } else {
/* set RAID context values */
- pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
- pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
- pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
- pRAID_Context->regLockRowLBA = 0;
- pRAID_Context->regLockLength = 0;
- pRAID_Context->configSeqNum = raid->seqNum;
+ pRAID_Context->configSeqNum = raid->seqNum;
+ pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
+ pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
/* get the DevHandle for the PD (since this is
fpNonRWCapable, this is a single disk RAID0) */
/* build request descriptor */
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
cmd->request_desc->SCSIIO.DevHandle = devHandle;
/* populate the LUN field */
/* build the raidScsiIO structure */
io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
io_request->DevHandle = devHandle;
+ }
+}
- return;
+/**
+ * megasas_build_syspd_fusion - prepares rw/non-rw ios for syspd
+ * @instance: Adapter soft state
+ * @scp: SCSI command
+ * @cmd: Command to be prepared
+ * @fp_possible: parameter to detect fast path or firmware path io.
+ *
+ * Prepares the io_request frame for rw/non-rw io cmds for syspds
+ */
+static void
+megasas_build_syspd_fusion(struct megasas_instance *instance,
+ struct scsi_cmnd *scmd, struct megasas_cmd_fusion *cmd, u8 fp_possible)
+{
+ u32 device_id;
+ struct MPI2_RAID_SCSI_IO_REQUEST *io_request;
+ u16 pd_index = 0;
+ u16 os_timeout_value;
+ u16 timeout_limit;
+ struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
+ struct RAID_CONTEXT *pRAID_Context;
+ struct fusion_context *fusion = instance->ctrl_context;
+
+ device_id = MEGASAS_DEV_INDEX(scmd);
+ pd_index = MEGASAS_PD_INDEX(scmd);
+ os_timeout_value = scmd->request->timeout / HZ;
-NonFastPath:
+ io_request = cmd->io_request;
+ /* get RAID_Context pointer */
+ pRAID_Context = &io_request->RaidContext;
+ io_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
+ io_request->LUN[1] = scmd->device->lun;
+ pRAID_Context->RAIDFlags = MR_RAID_FLAGS_IO_SUB_TYPE_SYSTEM_PD
+ << MR_RAID_CTX_RAID_FLAGS_IO_SUB_TYPE_SHIFT;
+
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
+ pRAID_Context->configSeqNum = 0;
+ local_map_ptr = fusion->ld_drv_map[(instance->map_id & 1)];
+ io_request->DevHandle =
+ local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;
+
+ cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
+ cmd->request_desc->SCSIIO.MSIxIndex =
+ instance->msix_vectors ?
+ (raw_smp_processor_id() % instance->msix_vectors) : 0;
+
+
+ if (!fp_possible) {
+ /* system pd firmware path */
io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
- io_request->DevHandle = cpu_to_le16(device_id);
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
- MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value);
+ } else {
+ /* system pd Fast Path */
+ io_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
+ pRAID_Context->regLockFlags = 0;
+ pRAID_Context->regLockRowLBA = 0;
+ pRAID_Context->regLockLength = 0;
+ timeout_limit = (scmd->device->type == TYPE_DISK) ?
+ 255 : 0xFFFF;
+ pRAID_Context->timeoutValue =
+ cpu_to_le16((os_timeout_value > timeout_limit) ?
+ timeout_limit : os_timeout_value);
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ cmd->request_desc->SCSIIO.RequestFlags |=
+ (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ pRAID_Context->Type = MPI2_TYPE_CUDA;
+ pRAID_Context->nseg = 0x1;
+ io_request->IoFlags |=
+ cpu_to_le16(MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH);
+ }
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
}
- io_request->RaidContext.VirtualDiskTgtId = cpu_to_le16(device_id);
- int_to_scsilun(scmd->device->lun, (struct scsi_lun *)io_request->LUN);
}
/**
struct scsi_cmnd *scp,
struct megasas_cmd_fusion *cmd)
{
- u32 device_id, sge_count;
+ u32 sge_count;
+ u8 cmd_type;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request;
- device_id = MEGASAS_DEV_INDEX(instance, scp);
-
/* Zero out some fields so they don't get reused */
memset(io_request->LUN, 0x0, 8);
io_request->CDB.EEDP32.PrimaryReferenceTag = 0;
*/
io_request->IoFlags = cpu_to_le16(scp->cmd_len);
- if (megasas_cmd_type(scp) == READ_WRITE_LDIO)
+ switch (cmd_type = megasas_cmd_type(scp)) {
+ case READ_WRITE_LDIO:
megasas_build_ldio_fusion(instance, scp, cmd);
- else
- megasas_build_dcdb_fusion(instance, scp, cmd);
+ break;
+ case NON_READ_WRITE_LDIO:
+ megasas_build_ld_nonrw_fusion(instance, scp, cmd);
+ break;
+ case READ_WRITE_SYSPDIO:
+ case NON_READ_WRITE_SYSPDIO:
+ if (instance->secure_jbod_support &&
+ (cmd_type == NON_READ_WRITE_SYSPDIO))
+ megasas_build_syspd_fusion(instance, scp, cmd, 0);
+ else
+ megasas_build_syspd_fusion(instance, scp, cmd, 1);
+ break;
+ default:
+ break;
+ }
/*
* Construct SGL
fusion = instance->ctrl_context;
- cmd = megasas_get_cmd_fusion(instance);
- if (!cmd)
- return SCSI_MLQUEUE_HOST_BUSY;
+ cmd = megasas_get_cmd_fusion(instance, scmd->request->tag);
index = cmd->index;
*/
atomic_inc(&instance->fw_outstanding);
- instance->instancet->fire_cmd(instance,
- req_desc->u.low, req_desc->u.high,
- instance->reg_set);
+ megasas_fire_cmd_fusion(instance, req_desc);
return 0;
}
union desc_value d_val;
struct LD_LOAD_BALANCE_INFO *lbinfo;
int threshold_reply_count = 0;
+ struct scsi_cmnd *scmd_local = NULL;
fusion = instance->ctrl_context;
num_completed = 0;
- while ((d_val.u.low != UINT_MAX) && (d_val.u.high != UINT_MAX)) {
+ while (d_val.u.low != cpu_to_le32(UINT_MAX) &&
+ d_val.u.high != cpu_to_le32(UINT_MAX)) {
smid = le16_to_cpu(reply_desc->SMID);
cmd_fusion = fusion->cmd_list[smid - 1];
if (cmd_fusion->scmd)
cmd_fusion->scmd->SCp.ptr = NULL;
+ scmd_local = cmd_fusion->scmd;
status = scsi_io_req->RaidContext.status;
extStatus = scsi_io_req->RaidContext.exStatus;
switch (scsi_io_req->Function) {
case MPI2_FUNCTION_SCSI_IO_REQUEST: /*Fast Path IO.*/
/* Update load balancing info */
- device_id = MEGASAS_DEV_INDEX(instance,
- cmd_fusion->scmd);
+ device_id = MEGASAS_DEV_INDEX(scmd_local);
lbinfo = &fusion->load_balance_info[device_id];
if (cmd_fusion->scmd->SCp.Status &
MEGASAS_LOAD_BALANCE_FLAG) {
case MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST: /* LD-IO Path */
/* Map the FW Cmd Status */
map_cmd_status(cmd_fusion, status, extStatus);
- scsi_dma_unmap(cmd_fusion->scmd);
- cmd_fusion->scmd->scsi_done(cmd_fusion->scmd);
scsi_io_req->RaidContext.status = 0;
scsi_io_req->RaidContext.exStatus = 0;
megasas_return_cmd_fusion(instance, cmd_fusion);
+ scsi_dma_unmap(scmd_local);
+ scmd_local->scsi_done(scmd_local);
atomic_dec(&instance->fw_outstanding);
break;
case MEGASAS_MPI2_FUNCTION_PASSTHRU_IO_REQUEST: /*MFI command */
cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
- if (!cmd_mfi->mpt_pthr_cmd_blocked) {
- if (megasas_dbg_lvl == 5)
- dev_info(&instance->pdev->dev,
- "freeing mfi/mpt pass-through "
- "from %s %d\n",
- __func__, __LINE__);
- megasas_return_mfi_mpt_pthr(instance, cmd_mfi,
- cmd_fusion);
- }
-
- megasas_complete_cmd(instance, cmd_mfi, DID_OK);
- cmd_fusion->flags = 0;
+ /* Poll mode. Dummy free.
+ * In case of Interrupt mode, caller has reverse check.
+ */
+ if (cmd_mfi->flags & DRV_DCMD_POLLED_MODE) {
+ cmd_mfi->flags &= ~DRV_DCMD_POLLED_MODE;
+ megasas_return_cmd(instance, cmd_mfi);
+ } else
+ megasas_complete_cmd(instance, cmd_mfi, DID_OK);
break;
}
fusion->reply_q_depth)
fusion->last_reply_idx[MSIxIndex] = 0;
- desc->Words = ULLONG_MAX;
+ desc->Words = cpu_to_le64(ULLONG_MAX);
num_completed++;
threshold_reply_count++;
struct megasas_cmd_fusion *cmd;
struct fusion_context *fusion;
struct megasas_header *frame_hdr = &mfi_cmd->frame->hdr;
- u32 opcode;
- cmd = megasas_get_cmd_fusion(instance);
- if (!cmd)
- return 1;
+ fusion = instance->ctrl_context;
+
+ cmd = megasas_get_cmd_fusion(instance,
+ instance->max_scsi_cmds + mfi_cmd->index);
/* Save the smid. To be used for returning the cmd */
mfi_cmd->context.smid = cmd->index;
- cmd->sync_cmd_idx = mfi_cmd->index;
-
- /* Set this only for Blocked commands */
- opcode = le32_to_cpu(mfi_cmd->frame->dcmd.opcode);
- if ((opcode == MR_DCMD_LD_MAP_GET_INFO)
- && (mfi_cmd->frame->dcmd.mbox.b[1] == 1))
- mfi_cmd->is_wait_event = 1;
-
- if (opcode == MR_DCMD_CTRL_EVENT_WAIT)
- mfi_cmd->is_wait_event = 1;
-
- if (mfi_cmd->is_wait_event)
- mfi_cmd->mpt_pthr_cmd_blocked = cmd;
/*
* For cmds where the flag is set, store the flag and check
*/
if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE))
- cmd->flags = MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
+ mfi_cmd->flags |= DRV_DCMD_POLLED_MODE;
- fusion = instance->ctrl_context;
io_req = cmd->io_request;
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
printk(KERN_ERR "Couldn't issue MFI pass thru cmd\n");
return;
}
- atomic_set(&cmd->mfi_mpt_pthr, MFI_MPT_ATTACHED);
- instance->instancet->fire_cmd(instance, req_desc->u.low,
- req_desc->u.high, instance->reg_set);
+ megasas_fire_cmd_fusion(instance, req_desc);
}
/**
fusion->last_reply_idx[i] = 0;
reply_desc = fusion->reply_frames_desc;
for (i = 0 ; i < fusion->reply_q_depth * count; i++, reply_desc++)
- reply_desc->Words = ULLONG_MAX;
+ reply_desc->Words = cpu_to_le64(ULLONG_MAX);
+}
+
+/*
+ * megasas_refire_mgmt_cmd : Re-fire management commands
+ * @instance: Controller's soft instance
+*/
+void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
+{
+ int j;
+ struct megasas_cmd_fusion *cmd_fusion;
+ struct fusion_context *fusion;
+ struct megasas_cmd *cmd_mfi;
+ union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
+ u16 smid;
+
+ fusion = instance->ctrl_context;
+
+ /* Re-fire management commands.
+ * Do not traverse complet MPT frame pool. Start from max_scsi_cmds.
+ */
+ for (j = instance->max_scsi_cmds ; j < instance->max_fw_cmds; j++) {
+ cmd_fusion = fusion->cmd_list[j];
+ cmd_mfi = instance->cmd_list[cmd_fusion->sync_cmd_idx];
+ smid = le16_to_cpu(cmd_mfi->context.smid);
+
+ if (!smid)
+ continue;
+ req_desc = megasas_get_request_descriptor
+ (instance, smid - 1);
+ if (req_desc && (cmd_mfi->frame->dcmd.opcode !=
+ cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)))
+ megasas_fire_cmd_fusion(instance, req_desc);
+ else
+ megasas_return_cmd(instance, cmd_mfi);
+ }
}
/* Check for a second path that is currently UP */
/* Core fusion reset function */
int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout)
{
- int retval = SUCCESS, i, j, retry = 0, convert = 0;
+ int retval = SUCCESS, i, retry = 0, convert = 0;
struct megasas_instance *instance;
struct megasas_cmd_fusion *cmd_fusion;
struct fusion_context *fusion;
- struct megasas_cmd *cmd_mfi;
- union MEGASAS_REQUEST_DESCRIPTOR_UNION *req_desc;
u32 host_diag, abs_state, status_reg, reset_adapter;
u32 io_timeout_in_crash_mode = 0;
+ struct scsi_cmnd *scmd_local = NULL;
instance = (struct megasas_instance *)shost->hostdata;
fusion = instance->ctrl_context;
iotimeout = 0;
/* Now return commands back to the OS */
- for (i = 0 ; i < instance->max_fw_cmds; i++) {
+ for (i = 0 ; i < instance->max_scsi_cmds; i++) {
cmd_fusion = fusion->cmd_list[i];
+ scmd_local = cmd_fusion->scmd;
if (cmd_fusion->scmd) {
- scsi_dma_unmap(cmd_fusion->scmd);
- cmd_fusion->scmd->result =
+ scmd_local->result =
megasas_check_mpio_paths(instance,
- cmd_fusion->scmd);
- cmd_fusion->scmd->scsi_done(cmd_fusion->scmd);
+ scmd_local);
megasas_return_cmd_fusion(instance, cmd_fusion);
+ scsi_dma_unmap(scmd_local);
+ scmd_local->scsi_done(scmd_local);
atomic_dec(&instance->fw_outstanding);
}
}
continue;
}
- /* Re-fire management commands */
- for (j = 0 ; j < instance->max_fw_cmds; j++) {
- cmd_fusion = fusion->cmd_list[j];
- if (cmd_fusion->sync_cmd_idx !=
- (u32)ULONG_MAX) {
- cmd_mfi =
- instance->
- cmd_list[cmd_fusion->sync_cmd_idx];
- if (cmd_mfi->frame->dcmd.opcode ==
- cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) {
- megasas_return_mfi_mpt_pthr(instance, cmd_mfi, cmd_fusion);
- } else {
- req_desc =
- megasas_get_request_descriptor(
- instance,
- cmd_mfi->context.smid
- -1);
- if (!req_desc) {
- printk(KERN_WARNING
- "req_desc NULL"
- " for scsi%d\n",
- instance->host->host_no);
- /* Return leaked MPT
- frame */
- megasas_return_cmd_fusion(instance, cmd_fusion);
- } else {
- instance->instancet->
- fire_cmd(instance,
- req_desc->
- u.low,
- req_desc->
- u.high,
- instance->
- reg_set);
- }
- }
- }
- }
+ megasas_refire_mgmt_cmd(instance);
if (megasas_get_ctrl_info(instance)) {
dev_info(&instance->pdev->dev,
}
struct megasas_instance_template megasas_instance_template_fusion = {
- .fire_cmd = megasas_fire_cmd_fusion,
.enable_intr = megasas_enable_intr_fusion,
.disable_intr = megasas_disable_intr_fusion,
.clear_intr = megasas_clear_intr_fusion,
projects / linux.git / blobdiff