@@ -973,7 +973,8 @@ struct megasas_ctrl_info {
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
- u32 reserved:8;
+ u32 reserved:7;
+ u32 useSeqNumJbodFP:1;
u32 supportExtendedSSCSize:1;
u32 supportDiskCacheSettingForSysPDs:1;
u32 supportCPLDUpdate:1;
@@ -1021,7 +1022,8 @@ struct megasas_ctrl_info {
u32 supportCPLDUpdate:1;
u32 supportDiskCacheSettingForSysPDs:1;
u32 supportExtendedSSCSize:1;
- u32 reserved:8;
+ u32 useSeqNumJbodFP:1;
+ u32 reserved:7;
#endif
} adapterOperations3;
@@ -1700,6 +1702,7 @@ struct megasas_instance {
u32 crash_dump_drv_support;
u32 crash_dump_app_support;
u32 secure_jbod_support;
+ bool use_seqnum_jbod_fp; /* Added for PD sequence */
spinlock_t crashdump_lock;
struct megasas_register_set __iomem *reg_set;
@@ -1779,7 +1782,9 @@ struct megasas_instance {
struct msix_entry msixentry[MEGASAS_MAX_MSIX_QUEUES];
struct megasas_irq_context irq_context[MEGASAS_MAX_MSIX_QUEUES];
u64 map_id;
+ u64 pd_seq_map_id;
struct megasas_cmd *map_update_cmd;
+ struct megasas_cmd *jbod_seq_cmd;
unsigned long bar;
long reset_flags;
struct mutex reset_mutex;
@@ -1995,6 +2000,9 @@ __le16 get_updated_dev_handle(struct megasas_instance *instance,
void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *map,
struct LD_LOAD_BALANCE_INFO *lbInfo);
int megasas_get_ctrl_info(struct megasas_instance *instance);
+/* PD sequence */
+int
+megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend);
int megasas_set_crash_dump_params(struct megasas_instance *instance,
u8 crash_buf_state);
void megasas_free_host_crash_buffer(struct megasas_instance *instance);
@@ -2010,5 +2018,6 @@ void __megasas_return_cmd(struct megasas_instance *instance,
void megasas_return_mfi_mpt_pthr(struct megasas_instance *instance,
struct megasas_cmd *cmd_mfi, struct megasas_cmd_fusion *cmd_fusion);
int megasas_cmd_type(struct scsi_cmnd *cmd);
+void megasas_setup_jbod_map(struct megasas_instance *instance);
#endif /*LSI_MEGARAID_SAS_H */
@@ -2833,7 +2833,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
struct megasas_header *hdr = &cmd->frame->hdr;
unsigned long flags;
struct fusion_context *fusion = instance->ctrl_context;
- u32 opcode;
+ u32 opcode, status;
/* flag for the retry reset */
cmd->retry_for_fw_reset = 0;
@@ -2941,6 +2941,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
&& (cmd->frame->dcmd.mbox.b[1] == 1)) {
fusion->fast_path_io = 0;
spin_lock_irqsave(instance->host->host_lock, flags);
+ instance->map_update_cmd = NULL;
if (cmd->frame->hdr.cmd_status != 0) {
if (cmd->frame->hdr.cmd_status !=
MFI_STAT_NOT_FOUND)
@@ -2979,6 +2980,27 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
spin_unlock_irqrestore(&poll_aen_lock, flags);
}
+ /* FW has an updated PD sequence */
+ if ((opcode == MR_DCMD_SYSTEM_PD_MAP_GET_INFO) &&
+ (cmd->frame->dcmd.mbox.b[0] == 1)) {
+
+ spin_lock_irqsave(instance->host->host_lock, flags);
+ status = cmd->frame->hdr.cmd_status;
+ instance->jbod_seq_cmd = NULL;
+ megasas_return_cmd(instance, cmd);
+
+ if (status == MFI_STAT_OK) {
+ instance->pd_seq_map_id++;
+ /* Re-register a pd sync seq num cmd */
+ if (megasas_sync_pd_seq_num(instance, true))
+ instance->use_seqnum_jbod_fp = false;
+ } else
+ instance->use_seqnum_jbod_fp = false;
+
+ spin_unlock_irqrestore(instance->host->host_lock, flags);
+ break;
+ }
+
/*
* See if got an event notification
*/
@@ -4135,6 +4157,8 @@ megasas_get_ctrl_info(struct megasas_instance *instance)
le32_to_cpus((u32 *)&ctrl_info->adapterOperations2);
le32_to_cpus((u32 *)&ctrl_info->adapterOperations3);
megasas_update_ext_vd_details(instance);
+ instance->use_seqnum_jbod_fp =
+ ctrl_info->adapterOperations3.useSeqNumJbodFP;
instance->is_imr = (ctrl_info->memory_size ? 0 : 1);
dev_info(&instance->pdev->dev,
"controller type\t: %s(%dMB)\n",
@@ -4482,6 +4506,62 @@ megasas_destroy_irqs(struct megasas_instance *instance) {
}
/**
+ * megasas_setup_jbod_map - setup jbod map for FP seq_number.
+ * @instance: Adapter soft state
+ * @is_probe: Driver probe check
+ *
+ * Return 0 on success.
+ */
+void
+megasas_setup_jbod_map(struct megasas_instance *instance)
+{
+ int i;
+ struct fusion_context *fusion = instance->ctrl_context;
+ u32 pd_seq_map_sz;
+
+ pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
+ (sizeof(struct MR_PD_CFG_SEQ) * (MAX_PHYSICAL_DEVICES - 1));
+
+ if (reset_devices || !fusion ||
+ !instance->ctrl_info->adapterOperations3.useSeqNumJbodFP) {
+ dev_info(&instance->pdev->dev,
+ "Jbod map is not supported %s %d\n",
+ __func__, __LINE__);
+ instance->use_seqnum_jbod_fp = false;
+ return;
+ }
+
+ if (fusion->pd_seq_sync[0])
+ goto skip_alloc;
+
+ for (i = 0; i < JBOD_MAPS_COUNT; i++) {
+ fusion->pd_seq_sync[i] = dma_alloc_coherent
+ (&instance->pdev->dev, pd_seq_map_sz,
+ &fusion->pd_seq_phys[i], GFP_KERNEL);
+ if (!fusion->pd_seq_sync[i]) {
+ dev_err(&instance->pdev->dev,
+ "Failed to allocate memory from %s %d\n",
+ __func__, __LINE__);
+ if (i == 1) {
+ dma_free_coherent(&instance->pdev->dev,
+ pd_seq_map_sz, fusion->pd_seq_sync[0],
+ fusion->pd_seq_phys[0]);
+ fusion->pd_seq_sync[0] = NULL;
+ }
+ instance->use_seqnum_jbod_fp = false;
+ return;
+ }
+ }
+
+skip_alloc:
+ if (!megasas_sync_pd_seq_num(instance, false) &&
+ !megasas_sync_pd_seq_num(instance, true))
+ instance->use_seqnum_jbod_fp = true;
+ else
+ instance->use_seqnum_jbod_fp = false;
+}
+
+/**
* megasas_init_fw - Initializes the FW
* @instance: Adapter soft state
*
@@ -4658,6 +4738,8 @@ static int megasas_init_fw(struct megasas_instance *instance)
* the following function will get the PD LIST.
*/
+ megasas_setup_jbod_map(instance);
+
memset(instance->pd_list, 0 ,
(MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
if (megasas_get_pd_list(instance) < 0) {
@@ -4751,6 +4833,8 @@ static int megasas_init_fw(struct megasas_instance *instance)
instance->crash_dump_drv_support ? "yes" : "no");
dev_info(&instance->pdev->dev, "secure jbod : %s\n",
instance->secure_jbod_support ? "yes" : "no");
+ dev_info(&instance->pdev->dev, "jbod sync map : %s\n",
+ instance->use_seqnum_jbod_fp ? "yes" : "no");
instance->max_sectors_per_req = instance->max_num_sge *
@@ -5514,6 +5598,10 @@ static void megasas_shutdown_controller(struct megasas_instance *instance,
if (instance->map_update_cmd)
megasas_issue_blocked_abort_cmd(instance,
instance->map_update_cmd, MEGASAS_BLOCKED_CMD_TIMEOUT);
+ if (instance->jbod_seq_cmd)
+ megasas_issue_blocked_abort_cmd(instance,
+ instance->jbod_seq_cmd, MEGASAS_BLOCKED_CMD_TIMEOUT);
+
dcmd = &cmd->frame->dcmd;
memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
@@ -5680,6 +5768,7 @@ megasas_resume(struct pci_dev *pdev)
}
instance->instancet->enable_intr(instance);
+ megasas_setup_jbod_map(instance);
instance->unload = 0;
/*
@@ -5727,6 +5816,7 @@ static void megasas_detach_one(struct pci_dev *pdev)
struct Scsi_Host *host;
struct megasas_instance *instance;
struct fusion_context *fusion;
+ u32 pd_seq_map_sz;
instance = pci_get_drvdata(pdev);
instance->unload = 1;
@@ -5781,6 +5871,9 @@ static void megasas_detach_one(struct pci_dev *pdev)
case PCI_DEVICE_ID_LSI_INVADER:
case PCI_DEVICE_ID_LSI_FURY:
megasas_release_fusion(instance);
+ pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
+ (sizeof(struct MR_PD_CFG_SEQ) *
+ (MAX_PHYSICAL_DEVICES - 1));
for (i = 0; i < 2 ; i++) {
if (fusion->ld_map[i])
dma_free_coherent(&instance->pdev->dev,
@@ -5790,6 +5883,11 @@ static void megasas_detach_one(struct pci_dev *pdev)
if (fusion->ld_drv_map[i])
free_pages((ulong)fusion->ld_drv_map[i],
fusion->drv_map_pages);
+ if (fusion->pd_seq_sync)
+ dma_free_coherent(&instance->pdev->dev,
+ pd_seq_map_sz,
+ fusion->pd_seq_sync[i],
+ fusion->pd_seq_phys[i]);
}
free_pages((ulong)instance->ctrl_context,
instance->ctrl_context_pages);
@@ -728,6 +728,83 @@ fail_get_cmd:
return ret;
}
+/**
+ * megasas_sync_pd_seq_num - JBOD SEQ MAP
+ * @instance: Adapter soft state
+ * @pend: set to 1, if it is pended jbod map.
+ *
+ * Issue Jbod map to the firmware. If it is pended command,
+ * issue command and return. If it is first instance of jbod map
+ * issue and receive command.
+ */
+int
+megasas_sync_pd_seq_num(struct megasas_instance *instance, bool pend) {
+ int ret = 0;
+ u32 pd_seq_map_sz;
+ struct megasas_cmd *cmd;
+ struct megasas_dcmd_frame *dcmd;
+ struct fusion_context *fusion = instance->ctrl_context;
+ struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
+ dma_addr_t pd_seq_h;
+
+ pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id & 1)];
+ pd_seq_h = fusion->pd_seq_phys[(instance->pd_seq_map_id & 1)];
+ pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
+ (sizeof(struct MR_PD_CFG_SEQ) *
+ (MAX_PHYSICAL_DEVICES - 1));
+
+ cmd = megasas_get_cmd(instance);
+ if (!cmd) {
+ dev_err(&instance->pdev->dev,
+ "Could not get mfi cmd. Fail from %s %d\n",
+ __func__, __LINE__);
+ return -ENOMEM;
+ }
+
+ dcmd = &cmd->frame->dcmd;
+
+ memset(pd_sync, 0, pd_seq_map_sz);
+ memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
+ dcmd->cmd = MFI_CMD_DCMD;
+ dcmd->cmd_status = 0xFF;
+ dcmd->sge_count = 1;
+ dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
+ dcmd->data_xfer_len = cpu_to_le32(pd_seq_map_sz);
+ dcmd->opcode = cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO);
+ dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(pd_seq_h);
+ dcmd->sgl.sge32[0].length = cpu_to_le32(pd_seq_map_sz);
+
+ if (pend) {
+ dcmd->mbox.b[0] = MEGASAS_DCMD_MBOX_PEND_FLAG;
+ dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_WRITE);
+ instance->jbod_seq_cmd = cmd;
+ instance->instancet->issue_dcmd(instance, cmd);
+ return 0;
+ }
+
+ dcmd->flags = cpu_to_le16(MFI_FRAME_DIR_READ);
+
+ /* Below code is only for non pended DCMD */
+ if (instance->ctrl_context && !instance->mask_interrupts)
+ ret = megasas_issue_blocked_cmd(instance, cmd, 60);
+ else
+ ret = megasas_issue_polled(instance, cmd);
+
+ if (le32_to_cpu(pd_sync->count) > MAX_PHYSICAL_DEVICES) {
+ dev_warn(&instance->pdev->dev,
+ "driver supports max %d JBOD, but FW reports %d\n",
+ MAX_PHYSICAL_DEVICES, le32_to_cpu(pd_sync->count));
+ ret = -EINVAL;
+ }
+
+ if (!ret)
+ instance->pd_seq_map_id++;
+
+ megasas_return_cmd(instance, cmd);
+ return ret;
+}
+
/*
* megasas_get_ld_map_info - Returns FW's ld_map structure
* @instance: Adapter soft state
@@ -1725,7 +1802,9 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
u16 timeout_limit;
struct MR_DRV_RAID_MAP_ALL *local_map_ptr;
struct RAID_CONTEXT *pRAID_Context;
+ struct MR_PD_CFG_SEQ_NUM_SYNC *pd_sync;
struct fusion_context *fusion = instance->ctrl_context;
+ pd_sync = (void *)fusion->pd_seq_sync[(instance->pd_seq_map_id - 1) & 1];
device_id = MEGASAS_DEV_INDEX(scmd);
pd_index = MEGASAS_PD_INDEX(scmd);
@@ -1734,16 +1813,38 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
io_request = cmd->io_request;
/* get RAID_Context pointer */
pRAID_Context = &io_request->RaidContext;
+ pRAID_Context->regLockFlags = 0;
+ pRAID_Context->regLockRowLBA = 0;
+ pRAID_Context->regLockLength = 0;
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;
+ /* If FW supports PD sequence number */
+ if (instance->use_seqnum_jbod_fp &&
+ instance->pd_list[pd_index].driveType == TYPE_DISK) {
+ /* TgtId must be incremented by 255 as jbod seq number is index
+ * below raid map
+ */
+ pRAID_Context->VirtualDiskTgtId =
+ cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1));
+ pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum;
+ io_request->DevHandle = pd_sync->seq[pd_index].devHandle;
+ pRAID_Context->regLockFlags |=
+ (MR_RL_FLAGS_SEQ_NUM_ENABLE|MR_RL_FLAGS_GRANT_DESTINATION_CUDA);
+ } else if (fusion->fast_path_io) {
+ 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;
+ } else {
+ /* Want to send all IO via FW path */
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
+ pRAID_Context->configSeqNum = 0;
+ io_request->DevHandle = le16_to_cpu(0xFFFF);
+ }
cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
cmd->request_desc->SCSIIO.MSIxIndex =
@@ -1758,12 +1859,10 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
(MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO <<
MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
pRAID_Context->timeoutValue = cpu_to_le16(os_timeout_value);
+ pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
} 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 =
@@ -1771,9 +1870,6 @@ megasas_build_syspd_fusion(struct megasas_instance *instance,
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 |=
@@ -2515,8 +2611,10 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
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)))
+ if (req_desc && ((cmd_mfi->frame->dcmd.opcode !=
+ cpu_to_le32(MR_DCMD_LD_MAP_GET_INFO)) &&
+ (cmd_mfi->frame->dcmd.opcode !=
+ cpu_to_le32(MR_DCMD_SYSTEM_PD_MAP_GET_INFO))))
megasas_fire_cmd_fusion(instance, req_desc);
else
megasas_return_cmd(instance, cmd_mfi);
@@ -2819,6 +2917,8 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout)
if (!megasas_get_map_info(instance))
megasas_sync_map_info(instance);
+ megasas_setup_jbod_map(instance);
+
clear_bit(MEGASAS_FUSION_IN_RESET,
&instance->reset_flags);
instance->instancet->enable_intr(instance);
@@ -89,6 +89,7 @@ enum MR_RAID_FLAGS_IO_SUB_TYPE {
#define MEGASAS_FP_CMD_LEN 16
#define MEGASAS_FUSION_IN_RESET 0
#define THRESHOLD_REPLY_COUNT 50
+#define JBOD_MAPS_COUNT 2
/*
* Raid Context structure which describes MegaRAID specific IO Parameters
@@ -487,6 +488,7 @@ struct MPI2_IOC_INIT_REQUEST {
#define MAX_PHYSICAL_DEVICES 256
#define MAX_RAIDMAP_PHYSICAL_DEVICES (MAX_PHYSICAL_DEVICES)
#define MR_DCMD_LD_MAP_GET_INFO 0x0300e101
+#define MR_DCMD_SYSTEM_PD_MAP_GET_INFO 0x0200e102
#define MR_DCMD_CTRL_SHARED_HOST_MEM_ALLOC 0x010e8485 /* SR-IOV HB alloc*/
#define MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111 0x03200200
#define MR_DCMD_LD_VF_MAP_GET_ALL_LDS 0x03150200
@@ -790,6 +792,21 @@ struct MR_FW_RAID_MAP_EXT {
struct MR_LD_SPAN_MAP ldSpanMap[MAX_LOGICAL_DRIVES_EXT];
};
+/*
+ * * define MR_PD_CFG_SEQ structure for system PDs
+ * */
+struct MR_PD_CFG_SEQ {
+ __le16 seqNum;
+ __le16 devHandle;
+ u8 reserved[4];
+} __packed;
+
+struct MR_PD_CFG_SEQ_NUM_SYNC {
+ __le32 size;
+ __le32 count;
+ struct MR_PD_CFG_SEQ seq[1];
+} __packed;
+
struct fusion_context {
struct megasas_cmd_fusion **cmd_list;
dma_addr_t req_frames_desc_phys;
@@ -829,6 +846,8 @@ struct fusion_context {
u32 current_map_sz;
u32 drv_map_sz;
u32 drv_map_pages;
+ struct MR_PD_CFG_SEQ_NUM_SYNC *pd_seq_sync[JBOD_MAPS_COUNT];
+ dma_addr_t pd_seq_phys[JBOD_MAPS_COUNT];
u8 fast_path_io;
struct LD_LOAD_BALANCE_INFO load_balance_info[MAX_LOGICAL_DRIVES_EXT];
LD_SPAN_INFO log_to_span[MAX_LOGICAL_DRIVES_EXT];