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path: root/drivers/scsi/megaraid/megaraid_sas_fusion.c
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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fusion.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c404
1 files changed, 260 insertions, 144 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index f0837cc3b163..8d630a552b07 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -316,26 +316,23 @@ static int megasas_create_frame_pool_fusion(struct megasas_instance *instance)
u32 max_cmd;
struct fusion_context *fusion;
struct megasas_cmd_fusion *cmd;
- u32 total_sz_chain_frame;
fusion = instance->ctrl_context;
max_cmd = instance->max_fw_cmds;
- total_sz_chain_frame = MEGASAS_MAX_SZ_CHAIN_FRAME;
/*
* Use DMA pool facility provided by PCI layer
*/
- fusion->sg_dma_pool = pci_pool_create("megasas sg pool fusion",
- instance->pdev,
- total_sz_chain_frame, 4,
- 0);
+ fusion->sg_dma_pool = pci_pool_create("sg_pool_fusion", instance->pdev,
+ instance->max_chain_frame_sz,
+ 4, 0);
if (!fusion->sg_dma_pool) {
dev_printk(KERN_DEBUG, &instance->pdev->dev, "failed to setup request pool fusion\n");
return -ENOMEM;
}
- fusion->sense_dma_pool = pci_pool_create("megasas sense pool fusion",
+ fusion->sense_dma_pool = pci_pool_create("sense pool fusion",
instance->pdev,
SCSI_SENSE_BUFFERSIZE, 64, 0);
@@ -605,6 +602,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
int i;
struct megasas_header *frame_hdr;
const char *sys_info;
+ MFI_CAPABILITIES *drv_ops;
fusion = instance->ctrl_context;
@@ -652,20 +650,21 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
init_frame->cmd = MFI_CMD_INIT;
init_frame->cmd_status = 0xFF;
+ drv_ops = (MFI_CAPABILITIES *) &(init_frame->driver_operations);
+
/* driver support Extended MSIX */
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
- init_frame->driver_operations.
- mfi_capabilities.support_additional_msix = 1;
+ if (fusion->adapter_type == INVADER_SERIES)
+ drv_ops->mfi_capabilities.support_additional_msix = 1;
/* driver supports HA / Remote LUN over Fast Path interface */
- init_frame->driver_operations.mfi_capabilities.support_fp_remote_lun
- = 1;
- init_frame->driver_operations.mfi_capabilities.support_max_255lds
- = 1;
- init_frame->driver_operations.mfi_capabilities.support_ndrive_r1_lb
- = 1;
- init_frame->driver_operations.mfi_capabilities.security_protocol_cmds_fw
- = 1;
+ drv_ops->mfi_capabilities.support_fp_remote_lun = 1;
+
+ drv_ops->mfi_capabilities.support_max_255lds = 1;
+ drv_ops->mfi_capabilities.support_ndrive_r1_lb = 1;
+ drv_ops->mfi_capabilities.security_protocol_cmds_fw = 1;
+
+ if (instance->max_chain_frame_sz > MEGASAS_CHAIN_FRAME_SZ_MIN)
+ drv_ops->mfi_capabilities.support_ext_io_size = 1;
+
/* Convert capability to LE32 */
cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities);
@@ -726,6 +725,83 @@ 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
@@ -961,6 +1037,18 @@ megasas_display_intel_branding(struct megasas_instance *instance)
break;
}
break;
+ case PCI_DEVICE_ID_LSI_CUTLASS_52:
+ case PCI_DEVICE_ID_LSI_CUTLASS_53:
+ switch (instance->pdev->subsystem_device) {
+ case MEGARAID_INTEL_RMS3BC160_SSDID:
+ dev_info(&instance->pdev->dev, "scsi host %d: %s\n",
+ instance->host->host_no,
+ MEGARAID_INTEL_RMS3BC160_BRANDING);
+ break;
+ default:
+ break;
+ }
+ break;
default:
break;
}
@@ -977,7 +1065,7 @@ megasas_init_adapter_fusion(struct megasas_instance *instance)
{
struct megasas_register_set __iomem *reg_set;
struct fusion_context *fusion;
- u32 max_cmd;
+ u32 max_cmd, scratch_pad_2;
int i = 0, count;
fusion = instance->ctrl_context;
@@ -1016,15 +1104,40 @@ megasas_init_adapter_fusion(struct megasas_instance *instance)
(MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE *
(max_cmd + 1)); /* Extra 1 for SMID 0 */
+ scratch_pad_2 = readl(&instance->reg_set->outbound_scratch_pad_2);
+ /* If scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK is set,
+ * Firmware support extended IO chain frame which is 4 times more than
+ * legacy Firmware.
+ * Legacy Firmware - Frame size is (8 * 128) = 1K
+ * 1M IO Firmware - Frame size is (8 * 128 * 4) = 4K
+ */
+ if (scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_UNITS_MASK)
+ instance->max_chain_frame_sz =
+ ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >>
+ MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_1MB_IO;
+ else
+ instance->max_chain_frame_sz =
+ ((scratch_pad_2 & MEGASAS_MAX_CHAIN_SIZE_MASK) >>
+ MEGASAS_MAX_CHAIN_SHIFT) * MEGASAS_256K_IO;
+
+ if (instance->max_chain_frame_sz < MEGASAS_CHAIN_FRAME_SZ_MIN) {
+ dev_warn(&instance->pdev->dev, "frame size %d invalid, fall back to legacy max frame size %d\n",
+ instance->max_chain_frame_sz,
+ MEGASAS_CHAIN_FRAME_SZ_MIN);
+ instance->max_chain_frame_sz = MEGASAS_CHAIN_FRAME_SZ_MIN;
+ }
+
fusion->max_sge_in_main_msg =
- (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE -
- offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16;
+ (MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE
+ - offsetof(struct MPI2_RAID_SCSI_IO_REQUEST, SGL))/16;
fusion->max_sge_in_chain =
- MEGASAS_MAX_SZ_CHAIN_FRAME / sizeof(union MPI2_SGE_IO_UNION);
+ instance->max_chain_frame_sz
+ / sizeof(union MPI2_SGE_IO_UNION);
- instance->max_num_sge = rounddown_pow_of_two(
- fusion->max_sge_in_main_msg + fusion->max_sge_in_chain - 2);
+ instance->max_num_sge =
+ rounddown_pow_of_two(fusion->max_sge_in_main_msg
+ + fusion->max_sge_in_chain - 2);
/* Used for pass thru MFI frame (DCMD) */
fusion->chain_offset_mfi_pthru =
@@ -1186,8 +1299,7 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
fusion = instance->ctrl_context;
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end = sgl_ptr;
sgl_ptr_end += fusion->max_sge_in_main_msg - 1;
sgl_ptr_end->Flags = 0;
@@ -1204,11 +1316,9 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
sgl_ptr->Length = cpu_to_le32(sg_dma_len(os_sgl));
sgl_ptr->Address = cpu_to_le64(sg_dma_address(os_sgl));
sgl_ptr->Flags = 0;
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES)
if (i == sge_count - 1)
sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
- }
sgl_ptr++;
sg_processed = i + 1;
@@ -1217,10 +1327,7 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
(sge_count > fusion->max_sge_in_main_msg)) {
struct MPI25_IEEE_SGE_CHAIN64 *sg_chain;
- if ((instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if ((le16_to_cpu(cmd->io_request->IoFlags) &
MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) !=
MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
@@ -1236,10 +1343,7 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
sg_chain = sgl_ptr;
/* Prepare chain element */
sg_chain->NextChainOffset = 0;
- if ((instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FURY))
+ if (fusion->adapter_type == INVADER_SERIES)
sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
else
sg_chain->Flags =
@@ -1250,7 +1354,7 @@ megasas_make_sgl_fusion(struct megasas_instance *instance,
sgl_ptr =
(struct MPI25_IEEE_SGE_CHAIN64 *)cmd->sg_frame;
- memset(sgl_ptr, 0, MEGASAS_MAX_SZ_CHAIN_FRAME);
+ memset(sgl_ptr, 0, instance->max_chain_frame_sz);
}
}
@@ -1556,8 +1660,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
cmd->request_desc->SCSIIO.RequestFlags =
(MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY
<< MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if (io_request->RaidContext.regLockFlags ==
REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags =
@@ -1582,7 +1685,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
scp->SCp.Status &= ~MEGASAS_LOAD_BALANCE_FLAG;
if ((raidLUN[0] == 1) &&
- (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 2)) {
+ (local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].validHandles > 1)) {
instance->dev_handle = !(instance->dev_handle);
io_info.devHandle =
local_map_ptr->raidMap.devHndlInfo[io_info.pd_after_lb].devHandle[instance->dev_handle];
@@ -1598,8 +1701,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance,
cmd->request_desc->SCSIIO.RequestFlags =
(MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO
<< MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
if (io_request->RaidContext.regLockFlags ==
REGION_TYPE_UNUSED)
cmd->request_desc->SCSIIO.RequestFlags =
@@ -1722,7 +1824,9 @@ 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);
@@ -1731,16 +1835,38 @@ 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 = cpu_to_le16(0xFFFF);
+ }
cmd->request_desc->SCSIIO.DevHandle = io_request->DevHandle;
cmd->request_desc->SCSIIO.MSIxIndex =
@@ -1755,22 +1881,16 @@ 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 =
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);
+ if (fusion->adapter_type == INVADER_SERIES) {
pRAID_Context->Type = MPI2_TYPE_CUDA;
pRAID_Context->nseg = 0x1;
io_request->IoFlags |=
@@ -1796,7 +1916,7 @@ megasas_build_io_fusion(struct megasas_instance *instance,
struct scsi_cmnd *scp,
struct megasas_cmd_fusion *cmd)
{
- u32 sge_count;
+ u16 sge_count;
u8 cmd_type;
struct MPI2_RAID_SCSI_IO_REQUEST *io_request = cmd->io_request;
@@ -1854,7 +1974,11 @@ megasas_build_io_fusion(struct megasas_instance *instance,
return 1;
}
+ /* numSGE store lower 8 bit of sge_count.
+ * numSGEExt store higher 8 bit of sge_count
+ */
io_request->RaidContext.numSGE = sge_count;
+ io_request->RaidContext.numSGEExt = (u8)(sge_count >> 8);
io_request->SGLFlags = cpu_to_le16(MPI2_SGE_FLAGS_64_BIT_ADDRESSING);
@@ -2084,10 +2208,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex)
* pending to be completed
*/
if (threshold_reply_count >= THRESHOLD_REPLY_COUNT) {
- if ((instance->pdev->device ==
- PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FURY))
+ if (fusion->adapter_type == INVADER_SERIES)
writel(((MSIxIndex & 0x7) << 24) |
fusion->last_reply_idx[MSIxIndex],
instance->reply_post_host_index_addr[MSIxIndex/8]);
@@ -2103,8 +2224,7 @@ complete_cmd_fusion(struct megasas_instance *instance, u32 MSIxIndex)
return IRQ_NONE;
wmb();
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY))
+ if (fusion->adapter_type == INVADER_SERIES)
writel(((MSIxIndex & 0x7) << 24) |
fusion->last_reply_idx[MSIxIndex],
instance->reply_post_host_index_addr[MSIxIndex/8]);
@@ -2227,8 +2347,7 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance,
io_req = cmd->io_request;
- if ((instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) ||
- (instance->pdev->device == PCI_DEVICE_ID_LSI_FURY)) {
+ if (fusion->adapter_type == INVADER_SERIES) {
struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr_end =
(struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL;
sgl_ptr_end += fusion->max_sge_in_main_msg - 1;
@@ -2248,7 +2367,7 @@ build_mpt_mfi_pass_thru(struct megasas_instance *instance,
mpi25_ieee_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT |
MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR;
- mpi25_ieee_chain->Length = cpu_to_le32(MEGASAS_MAX_SZ_CHAIN_FRAME);
+ mpi25_ieee_chain->Length = cpu_to_le32(instance->max_chain_frame_sz);
return 0;
}
@@ -2384,6 +2503,70 @@ static int
megasas_adp_reset_fusion(struct megasas_instance *instance,
struct megasas_register_set __iomem *regs)
{
+ u32 host_diag, abs_state, retry;
+
+ /* Now try to reset the chip */
+ writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_1ST_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_2ND_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_3RD_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_4TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_5TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+ writel(MPI2_WRSEQ_6TH_KEY_VALUE, &instance->reg_set->fusion_seq_offset);
+
+ /* Check that the diag write enable (DRWE) bit is on */
+ host_diag = readl(&instance->reg_set->fusion_host_diag);
+ retry = 0;
+ while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) {
+ msleep(100);
+ host_diag = readl(&instance->reg_set->fusion_host_diag);
+ if (retry++ == 100) {
+ dev_warn(&instance->pdev->dev,
+ "Host diag unlock failed from %s %d\n",
+ __func__, __LINE__);
+ break;
+ }
+ }
+ if (!(host_diag & HOST_DIAG_WRITE_ENABLE))
+ return -1;
+
+ /* Send chip reset command */
+ writel(host_diag | HOST_DIAG_RESET_ADAPTER,
+ &instance->reg_set->fusion_host_diag);
+ msleep(3000);
+
+ /* Make sure reset adapter bit is cleared */
+ host_diag = readl(&instance->reg_set->fusion_host_diag);
+ retry = 0;
+ while (host_diag & HOST_DIAG_RESET_ADAPTER) {
+ msleep(100);
+ host_diag = readl(&instance->reg_set->fusion_host_diag);
+ if (retry++ == 1000) {
+ dev_warn(&instance->pdev->dev,
+ "Diag reset adapter never cleared %s %d\n",
+ __func__, __LINE__);
+ break;
+ }
+ }
+ if (host_diag & HOST_DIAG_RESET_ADAPTER)
+ return -1;
+
+ abs_state = instance->instancet->read_fw_status_reg(instance->reg_set)
+ & MFI_STATE_MASK;
+ retry = 0;
+
+ while ((abs_state <= MFI_STATE_FW_INIT) && (retry++ < 1000)) {
+ msleep(100);
+ abs_state = instance->instancet->
+ read_fw_status_reg(instance->reg_set) & MFI_STATE_MASK;
+ }
+ if (abs_state <= MFI_STATE_FW_INIT) {
+ dev_warn(&instance->pdev->dev,
+ "fw state < MFI_STATE_FW_INIT, state = 0x%x %s %d\n",
+ abs_state, __func__, __LINE__);
+ return -1;
+ }
+
return 0;
}
@@ -2512,8 +2695,10 @@ 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);
@@ -2547,11 +2732,11 @@ out:
/* Core fusion reset function */
int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout)
{
- int retval = SUCCESS, i, retry = 0, convert = 0;
+ int retval = SUCCESS, i, convert = 0;
struct megasas_instance *instance;
struct megasas_cmd_fusion *cmd_fusion;
struct fusion_context *fusion;
- u32 host_diag, abs_state, status_reg, reset_adapter;
+ u32 abs_state, status_reg, reset_adapter;
u32 io_timeout_in_crash_mode = 0;
struct scsi_cmnd *scmd_local = NULL;
@@ -2705,82 +2890,11 @@ int megasas_reset_fusion(struct Scsi_Host *shost, int iotimeout)
/* Now try to reset the chip */
for (i = 0; i < MEGASAS_FUSION_MAX_RESET_TRIES; i++) {
- writel(MPI2_WRSEQ_FLUSH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_1ST_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_2ND_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_3RD_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_4TH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_5TH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
- writel(MPI2_WRSEQ_6TH_KEY_VALUE,
- &instance->reg_set->fusion_seq_offset);
-
- /* Check that the diag write enable (DRWE) bit is on */
- host_diag = readl(&instance->reg_set->fusion_host_diag);
- retry = 0;
- while (!(host_diag & HOST_DIAG_WRITE_ENABLE)) {
- msleep(100);
- host_diag =
- readl(&instance->reg_set->fusion_host_diag);
- if (retry++ == 100) {
- dev_warn(&instance->pdev->dev,
- "Host diag unlock failed! "
- "for scsi%d\n",
- instance->host->host_no);
- break;
- }
- }
- if (!(host_diag & HOST_DIAG_WRITE_ENABLE))
- continue;
- /* Send chip reset command */
- writel(host_diag | HOST_DIAG_RESET_ADAPTER,
- &instance->reg_set->fusion_host_diag);
- msleep(3000);
-
- /* Make sure reset adapter bit is cleared */
- host_diag = readl(&instance->reg_set->fusion_host_diag);
- retry = 0;
- while (host_diag & HOST_DIAG_RESET_ADAPTER) {
- msleep(100);
- host_diag =
- readl(&instance->reg_set->fusion_host_diag);
- if (retry++ == 1000) {
- dev_warn(&instance->pdev->dev,
- "Diag reset adapter never "
- "cleared for scsi%d!\n",
- instance->host->host_no);
- break;
- }
- }
- if (host_diag & HOST_DIAG_RESET_ADAPTER)
+ if (instance->instancet->adp_reset
+ (instance, instance->reg_set))
continue;
- abs_state =
- instance->instancet->read_fw_status_reg(
- instance->reg_set) & MFI_STATE_MASK;
- retry = 0;
-
- while ((abs_state <= MFI_STATE_FW_INIT) &&
- (retry++ < 1000)) {
- msleep(100);
- abs_state =
- instance->instancet->read_fw_status_reg(
- instance->reg_set) & MFI_STATE_MASK;
- }
- if (abs_state <= MFI_STATE_FW_INIT) {
- dev_warn(&instance->pdev->dev, "firmware "
- "state < MFI_STATE_FW_INIT, state = "
- "0x%x for scsi%d\n", abs_state,
- instance->host->host_no);
- continue;
- }
-
/* Wait for FW to become ready */
if (megasas_transition_to_ready(instance, 1)) {
dev_warn(&instance->pdev->dev, "Failed to "
@@ -2816,6 +2930,8 @@ 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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.