James/linux-scsi,
The following patch for megaraid_sas adds support for MegaRAID
9360/9380 12GB/s SAS-RAID controllers.
Signed-off-by: Adam Radford <aradford@xxxxxxxxx>
diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_base.c
scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_base.c
--- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_base.c 2011-10-08
14:16:11.739236563 -0700
+++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_base.c 2011-10-08
13:32:11.415175492 -0700
@@ -114,6 +114,8 @@
/* xscale IOP */
{PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_FUSION)},
/* Fusion */
+ {PCI_DEVICE(PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_INVADER)},
+ /* Invader */
{}
};
@@ -1583,7 +1585,8 @@
{
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_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
} else {
writel(MFI_STOP_ADP, &instance->reg_set->inbound_doorbell);
@@ -1957,7 +1960,8 @@
/*
* First wait for all commands to complete
*/
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
ret = megasas_reset_fusion(scmd->device->host);
else
ret = megasas_generic_reset(scmd);
@@ -2656,7 +2660,9 @@
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
(instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FUSION)) {
+ PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)) {
writel(
MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
&instance->reg_set->doorbell);
@@ -2676,7 +2682,9 @@
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
(instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FUSION)) {
+ PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)) {
writel(MFI_INIT_HOTPLUG,
&instance->reg_set->doorbell);
} else
@@ -2697,11 +2705,15 @@
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
(instance->pdev->device
- == PCI_DEVICE_ID_LSI_FUSION)) {
+ == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device
+ == PCI_DEVICE_ID_LSI_INVADER)) {
writel(MFI_RESET_FLAGS,
&instance->reg_set->doorbell);
- if (instance->pdev->device ==
- PCI_DEVICE_ID_LSI_FUSION) {
+ if ((instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)) {
for (i = 0; i < (10 * 1000); i += 20) {
if (readl(
&instance->
@@ -3498,6 +3510,7 @@
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
instance->instancet = &megasas_instance_template_fusion;
break;
case PCI_DEVICE_ID_LSI_SAS1078R:
@@ -3894,7 +3907,8 @@
host->max_cmd_len = 16;
/* Fusion only supports host reset */
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) {
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)) {
host->hostt->eh_device_reset_handler = NULL;
host->hostt->eh_bus_reset_handler = NULL;
}
@@ -4004,6 +4018,7 @@
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
{
struct fusion_context *fusion;
@@ -4096,7 +4111,8 @@
instance->last_time = 0;
instance->disableOnlineCtrlReset = 1;
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq);
else
INIT_WORK(&instance->work_init, process_fw_state_change_wq);
@@ -4161,7 +4177,8 @@
free_irq(instance->msi_flag ? instance->msixentry.vector :
instance->pdev->irq, instance);
fail_irq:
- if (instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION)
+ if ((instance->pdev->device == PCI_DEVICE_ID_LSI_FUSION) ||
+ (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER))
megasas_release_fusion(instance);
else
megasas_release_mfi(instance);
@@ -4368,6 +4385,7 @@
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
{
megasas_reset_reply_desc(instance);
if (megasas_ioc_init_fusion(instance)) {
@@ -4501,6 +4519,7 @@
switch (instance->pdev->device) {
case PCI_DEVICE_ID_LSI_FUSION:
+ case PCI_DEVICE_ID_LSI_INVADER:
megasas_release_fusion(instance);
for (i = 0; i < 2 ; i++)
if (fusion->ld_map[i])
diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_fp.c
scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_fp.c
--- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_fp.c 2011-10-08
14:16:11.739236563 -0700
+++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_fp.c 2011-10-08
13:38:06.168176264 -0700
@@ -52,6 +52,7 @@
#include <scsi/scsi_host.h>
#include "megaraid_sas_fusion.h"
+#include "megaraid_sas.h"
#include <asm/div64.h>
#define ABS_DIFF(a, b) (((a) > (b)) ? ((a) - (b)) : ((b) - (a)))
@@ -226,8 +227,9 @@
* span - Span number
* block - Absolute Block number in the physical disk
*/
-u8 MR_GetPhyParams(u32 ld, u64 stripRow, u16 stripRef, u64 *pdBlock,
- u16 *pDevHandle, struct RAID_CONTEXT *pRAID_Context,
+u8 MR_GetPhyParams(struct megasas_instance *instance, u32 ld, u64 stripRow,
+ u16 stripRef, u64 *pdBlock, u16 *pDevHandle,
+ struct RAID_CONTEXT *pRAID_Context,
struct MR_FW_RAID_MAP_ALL *map)
{
struct MR_LD_RAID *raid = MR_LdRaidGet(ld, map);
@@ -279,7 +281,8 @@
*pDevHandle = MR_PdDevHandleGet(pd, map);
else {
*pDevHandle = MR_PD_INVALID; /* set dev handle as invalid. */
- if (raid->level >= 5)
+ if ((raid->level >= 5) &&
+ (instance->pdev->device != PCI_DEVICE_ID_LSI_INVADER))
pRAID_Context->regLockFlags = REGION_TYPE_EXCLUSIVE;
else if (raid->level == 1) {
/* Get alternate Pd. */
@@ -306,7 +309,8 @@
* This function will return 0 if region lock was acquired OR return num strips
*/
u8
-MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
+MR_BuildRaidContext(struct megasas_instance *instance,
+ struct IO_REQUEST_INFO *io_info,
struct RAID_CONTEXT *pRAID_Context,
struct MR_FW_RAID_MAP_ALL *map)
{
@@ -394,8 +398,12 @@
}
pRAID_Context->timeoutValue = map->raidMap.fpPdIoTimeoutSec;
- pRAID_Context->regLockFlags = (isRead) ? REGION_TYPE_SHARED_READ :
- raid->regTypeReqOnWrite;
+ if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER)
+ pRAID_Context->regLockFlags = (isRead) ?
+ raid->regTypeReqOnRead : raid->regTypeReqOnWrite;
+ else
+ pRAID_Context->regLockFlags = (isRead) ?
+ REGION_TYPE_SHARED_READ : raid->regTypeReqOnWrite;
pRAID_Context->VirtualDiskTgtId = raid->targetId;
pRAID_Context->regLockRowLBA = regStart;
pRAID_Context->regLockLength = regSize;
@@ -404,7 +412,8 @@
/*Get Phy Params only if FP capable, or else leave it to MR firmware
to do the calculation.*/
if (io_info->fpOkForIo) {
- retval = MR_GetPhyParams(ld, start_strip, ref_in_start_stripe,
+ retval = MR_GetPhyParams(instance, ld, start_strip,
+ ref_in_start_stripe,
&io_info->pdBlock,
&io_info->devHandle, pRAID_Context,
map);
@@ -415,7 +424,8 @@
} else if (isRead) {
uint stripIdx;
for (stripIdx = 0; stripIdx < num_strips; stripIdx++) {
- if (!MR_GetPhyParams(ld, start_strip + stripIdx,
+ if (!MR_GetPhyParams(instance, ld,
+ start_strip + stripIdx,
ref_in_start_stripe,
&io_info->pdBlock,
&io_info->devHandle,
diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_fusion.c
scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_fusion.c
--- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_fusion.c 2011-10-08
14:16:11.740236506 -0700
+++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_fusion.c 2011-10-08
14:15:52.176174272 -0700
@@ -74,7 +74,8 @@
struct megasas_cmd *cmd);
u8
-MR_BuildRaidContext(struct IO_REQUEST_INFO *io_info,
+MR_BuildRaidContext(struct megasas_instance *instance,
+ struct IO_REQUEST_INFO *io_info,
struct RAID_CONTEXT *pRAID_Context,
struct MR_FW_RAID_MAP_ALL *map);
u16 MR_TargetIdToLdGet(u32 ldTgtId, struct MR_FW_RAID_MAP_ALL *map);
@@ -1038,7 +1039,9 @@
case MFI_STAT_DEVICE_NOT_FOUND:
cmd->scmd->result = DID_BAD_TARGET << 16;
break;
-
+ case MFI_STAT_CONFIG_SEQ_MISMATCH:
+ cmd->scmd->result = DID_IMM_RETRY << 16;
+ break;
default:
printk(KERN_DEBUG "megasas: FW status %#x\n", status);
cmd->scmd->result = DID_ERROR << 16;
@@ -1061,14 +1064,17 @@
struct MPI25_IEEE_SGE_CHAIN64 *sgl_ptr,
struct megasas_cmd_fusion *cmd)
{
- int i, sg_processed;
- int sge_count, sge_idx;
+ int i, sg_processed, sge_count;
struct scatterlist *os_sgl;
struct fusion_context *fusion;
fusion = instance->ctrl_context;
- cmd->io_request->ChainOffset = 0;
+ if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ 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;
+ }
sge_count = scsi_dma_map(scp);
@@ -1077,16 +1083,14 @@
if (sge_count > instance->max_num_sge || !sge_count)
return sge_count;
- if (sge_count > fusion->max_sge_in_main_msg) {
- /* One element to store the chain info */
- sge_idx = fusion->max_sge_in_main_msg - 1;
- } else
- sge_idx = sge_count;
-
scsi_for_each_sg(scp, os_sgl, sge_count, i) {
sgl_ptr->Length = sg_dma_len(os_sgl);
sgl_ptr->Address = sg_dma_address(os_sgl);
sgl_ptr->Flags = 0;
+ if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ if (i == sge_count - 1)
+ sgl_ptr->Flags = IEEE_SGE_FLAGS_END_OF_LIST;
+ }
sgl_ptr++;
sg_processed = i + 1;
@@ -1095,13 +1099,30 @@
(sge_count > fusion->max_sge_in_main_msg)) {
struct MPI25_IEEE_SGE_CHAIN64 *sg_chain;
- cmd->io_request->ChainOffset =
- fusion->chain_offset_io_request;
+ if (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER) {
+ if ((cmd->io_request->IoFlags &
+ MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) !=
+ MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH)
+ cmd->io_request->ChainOffset =
+ fusion->
+ chain_offset_io_request;
+ else
+ cmd->io_request->ChainOffset = 0;
+ } else
+ cmd->io_request->ChainOffset =
+ fusion->chain_offset_io_request;
+
sg_chain = sgl_ptr;
/* Prepare chain element */
sg_chain->NextChainOffset = 0;
- sg_chain->Flags = (IEEE_SGE_FLAGS_CHAIN_ELEMENT |
- MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
+ if (instance->pdev->device ==
+ PCI_DEVICE_ID_LSI_INVADER)
+ sg_chain->Flags = IEEE_SGE_FLAGS_CHAIN_ELEMENT;
+ else
+ sg_chain->Flags =
+ (IEEE_SGE_FLAGS_CHAIN_ELEMENT |
+ MPI2_IEEE_SGE_FLAGS_IOCPLBNTA_ADDR);
sg_chain->Length = (sizeof(union MPI2_SGE_IO_UNION)
*(sge_count - sg_processed));
sg_chain->Address = cmd->sg_frame_phys_addr;
@@ -1394,7 +1415,8 @@
io_request->RaidContext.regLockFlags = 0;
fp_possible = 0;
} else {
- if (MR_BuildRaidContext(&io_info, &io_request->RaidContext,
+ if (MR_BuildRaidContext(instance, &io_info,
+ &io_request->RaidContext,
local_map_ptr))
fp_possible = io_info.fpOkForIo;
}
@@ -1407,6 +1429,20 @@
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) {
+ if (io_request->RaidContext.regLockFlags ==
+ REGION_TYPE_UNUSED)
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ io_request->RaidContext.Type = MPI2_TYPE_CUDA;
+ io_request->RaidContext.nseg = 0x1;
+ io_request->IoFlags |=
+ MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH;
+ io_request->RaidContext.regLockFlags |=
+ (MR_RL_FLAGS_GRANT_DESTINATION_CUDA |
+ MR_RL_FLAGS_SEQ_NUM_ENABLE);
+ }
if ((fusion->load_balance_info[device_id].loadBalanceFlag) &&
(io_info.isRead)) {
io_info.devHandle =
@@ -1421,11 +1457,23 @@
} else {
io_request->RaidContext.timeoutValue =
local_map_ptr->raidMap.fpPdIoTimeoutSec;
- io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
- io_request->DevHandle = device_id;
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) {
+ if (io_request->RaidContext.regLockFlags ==
+ REGION_TYPE_UNUSED)
+ cmd->request_desc->SCSIIO.RequestFlags =
+ (MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK <<
+ MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT);
+ io_request->RaidContext.Type = MPI2_TYPE_CUDA;
+ io_request->RaidContext.regLockFlags |=
+ (MR_RL_FLAGS_GRANT_DESTINATION_CPU0 |
+ MR_RL_FLAGS_SEQ_NUM_ENABLE);
+ io_request->RaidContext.nseg = 0x1;
+ }
+ io_request->Function = MEGASAS_MPI2_FUNCTION_LD_IO_REQUEST;
+ io_request->DevHandle = device_id;
} /* Not FP */
}
@@ -1508,8 +1556,10 @@
io_request->EEDPFlags = 0;
io_request->Control = 0;
io_request->EEDPBlockSize = 0;
- io_request->IoFlags = 0;
+ io_request->ChainOffset = 0;
io_request->RaidContext.RAIDFlags = 0;
+ io_request->RaidContext.Type = 0;
+ io_request->RaidContext.nseg = 0;
memcpy(io_request->CDB.CDB32, scp->cmnd, scp->cmd_len);
/*
@@ -1863,6 +1913,14 @@
fusion = instance->ctrl_context;
io_req = cmd->io_request;
+
+ if (instance->pdev->device == PCI_DEVICE_ID_LSI_INVADER) {
+ 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;
+ sgl_ptr_end->Flags = 0;
+ }
+
mpi25_ieee_chain =
(struct MPI25_IEEE_SGE_CHAIN64 *)&io_req->SGL.IeeeChain;
diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_fusion.h
scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_fusion.h
--- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas_fusion.h 2011-10-08
14:16:11.741236471 -0700
+++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas_fusion.h 2011-10-08
13:54:41.306174922 -0700
@@ -44,6 +44,14 @@
#define HOST_DIAG_RESET_ADAPTER 0x4
#define MEGASAS_FUSION_MAX_RESET_TRIES 3
+/* Invader defines */
+#define MPI2_TYPE_CUDA 0x2
+#define MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH 0x4000
+#define MR_RL_FLAGS_GRANT_DESTINATION_CPU0 0x00
+#define MR_RL_FLAGS_GRANT_DESTINATION_CPU1 0x10
+#define MR_RL_FLAGS_GRANT_DESTINATION_CUDA 0x80
+#define MR_RL_FLAGS_SEQ_NUM_ENABLE 0x8
+
/* T10 PI defines */
#define MR_PROT_INFO_TYPE_CONTROLLER 0x8
#define MEGASAS_SCSI_VARIABLE_LENGTH_CMD 0x7f
@@ -70,7 +78,7 @@
*/
#define MEGASAS_REQ_DESCRIPT_FLAGS_LD_IO 0x7
#define MEGASAS_REQ_DESCRIPT_FLAGS_MFA 0x1
-
+#define MEGASAS_REQ_DESCRIPT_FLAGS_NO_LOCK 0x2
#define MEGASAS_REQ_DESCRIPT_FLAGS_TYPE_SHIFT 1
#define MEGASAS_FP_CMD_LEN 16
@@ -82,7 +90,9 @@
*/
struct RAID_CONTEXT {
- u16 resvd0;
+ u8 Type:4;
+ u8 nseg:4;
+ u8 resvd0;
u16 timeoutValue;
u8 regLockFlags;
u8 resvd1;
@@ -527,7 +537,7 @@
u8 ldState;
u8 regTypeReqOnWrite;
u8 modFactor;
- u8 reserved2[1];
+ u8 regTypeReqOnRead;
u16 seqNum;
struct {
diff -Naur scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas.h
scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas.h
--- scsi-misc-2.6/drivers/scsi/megaraid/megaraid_sas.h 2011-10-08
14:16:11.742236470 -0700
+++ scsi-misc-2.6.new/drivers/scsi/megaraid/megaraid_sas.h 2011-10-08
13:55:57.919176024 -0700
@@ -48,6 +48,7 @@
#define PCI_DEVICE_ID_LSI_SAS0073SKINNY 0x0073
#define PCI_DEVICE_ID_LSI_SAS0071SKINNY 0x0071
#define PCI_DEVICE_ID_LSI_FUSION 0x005b
+#define PCI_DEVICE_ID_LSI_INVADER 0x005d
/*
* =====================================
@@ -221,6 +222,7 @@
MFI_STAT_RESERVATION_IN_PROGRESS = 0x36,
MFI_STAT_I2C_ERRORS_DETECTED = 0x37,
MFI_STAT_PCI_ERRORS_DETECTED = 0x38,
+ MFI_STAT_CONFIG_SEQ_MISMATCH = 0x67,
MFI_STAT_INVALID_STATUS = 0xFF
};
Attachment:
megaraid_sas.patch7
Description: Binary data
