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Subject[PATCH 10/11] megaraid_sas: Implement the PD Map support for SAS3.5 Generic Megaraid Controllers
Date
Update Linux driver to use new pdTargetId field for JBOD target ID

This patch is depending on patch 9

Signed-off-by: Sasikumar Chandrasekaran <sasikumar.pc@broadcom.com>
---
drivers/scsi/megaraid/megaraid_sas.h | 106 +++++++++++++++++++++-------
drivers/scsi/megaraid/megaraid_sas_base.c | 5 +-
drivers/scsi/megaraid/megaraid_sas_fusion.c | 11 ++-
drivers/scsi/megaraid/megaraid_sas_fusion.h | 3 +-
4 files changed, 94 insertions(+), 31 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 40b8295..e4bb93d 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1320,7 +1320,56 @@ struct megasas_ctrl_info {
#endif
} adapterOperations3;

- u8 pad[0x800-0x7EC];
+ struct {
+#if defined(__BIG_ENDIAN_BITFIELD)
+ u8 reserved:7;
+ /* Indicates whether the CPLD image is part of
+ * the package and stored in flash
+ */
+ u8 cpldInFlash:1;
+#else
+ u8 cpldInFlash:1;
+ u8 reserved:7;
+#endif
+ u8 reserved1[3];
+ /* Null terminated string. Has the version
+ * information if cpldInFlash = FALSE
+ */
+ u8 userCodeDefinition[12];
+ } cpld; /* Valid only if upgradableCPLD is TRUE */
+
+ struct {
+ #if defined(__BIG_ENDIAN_BITFIELD)
+ u16 reserved :8;
+ u16 FWSwapsBBUVPDInfo :1;
+ u16 supportPdMapTargetId:1;
+ u16 supportSESCtrlInMultipathCfg:1;
+ u16 imageUploadSupported:1;
+ u16 supportEncryptedMfc :1;
+ u16 supportedEncAlgo :1;
+ u16 supportIbuttonLess :1;
+ u16 ctrlInfoExtSupported:1;
+ #else
+
+ u16 ctrlInfoExtSupported:1;
+ u16 supportIbuttonLess :1;
+ u16 supportedEncAlgo :1;
+ u16 supportEncryptedMfc :1;
+ u16 imageUploadSupported:1;
+ /* FW supports LUN based association and target port based */
+ u16 supportSESCtrlInMultipathCfg:1;
+ /* association for the SES device connected in multipath mode */
+ /* FW defines Jbod target Id within MR_PD_CFG_SEQ */
+ u16 supportPdMapTargetId:1;
+ /* FW swaps relevant fields in MR_BBU_VPD_INFO_FIXED to
+ * provide the data in little endian order
+ */
+ u16 FWSwapsBBUVPDInfo :1;
+ u16 reserved :8;
+ #endif
+ } adapterOperations4;
+
+ u8 pad[0x800-0x7FE]; /* 0x7FE pad to 2K for expansion */
} __packed;

/*
@@ -1560,33 +1609,35 @@ struct megasas_header {
typedef union _MFI_CAPABILITIES {
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
- u32 reserved:20;
- u32 support_qd_throttling:1;
- u32 support_fp_rlbypass:1;
- u32 support_vfid_in_ioframe:1;
- u32 support_ext_io_size:1;
- u32 support_ext_queue_depth:1;
- u32 security_protocol_cmds_fw:1;
- u32 support_core_affinity:1;
- u32 support_ndrive_r1_lb:1;
- u32 support_max_255lds:1;
- u32 support_fastpath_wb:1;
- u32 support_additional_msix:1;
- u32 support_fp_remote_lun:1;
+ u32 reserved:19;
+ u32 supportPdMapTargetId:1;
+ u32 support_qd_throttling:1;
+ u32 support_fp_rlbypass:1;
+ u32 support_vfid_in_ioframe:1;
+ u32 support_ext_io_size:1;
+ u32 support_ext_queue_depth:1;
+ u32 security_protocol_cmds_fw:1;
+ u32 support_core_affinity:1;
+ u32 support_ndrive_r1_lb:1;
+ u32 support_max_255lds:1;
+ u32 support_fastpath_wb:1;
+ u32 support_additional_msix:1;
+ u32 support_fp_remote_lun:1;
#else
- u32 support_fp_remote_lun:1;
- u32 support_additional_msix:1;
- u32 support_fastpath_wb:1;
- u32 support_max_255lds:1;
- u32 support_ndrive_r1_lb:1;
- u32 support_core_affinity:1;
- u32 security_protocol_cmds_fw:1;
- u32 support_ext_queue_depth:1;
- u32 support_ext_io_size:1;
- u32 support_vfid_in_ioframe:1;
- u32 support_fp_rlbypass:1;
- u32 support_qd_throttling:1;
- u32 reserved:20;
+ u32 support_fp_remote_lun:1;
+ u32 support_additional_msix:1;
+ u32 support_fastpath_wb:1;
+ u32 support_max_255lds:1;
+ u32 support_ndrive_r1_lb:1;
+ u32 support_core_affinity:1;
+ u32 security_protocol_cmds_fw:1;
+ u32 support_ext_queue_depth:1;
+ u32 support_ext_io_size:1;
+ u32 support_vfid_in_ioframe:1;
+ u32 support_fp_rlbypass:1;
+ u32 support_qd_throttling:1;
+ u32 supportPdMapTargetId:1;
+ u32 reserved:19;
#endif
} mfi_capabilities;
__le32 reg;
@@ -2055,6 +2106,7 @@ struct megasas_instance {
u32 crash_dump_drv_support;
u32 crash_dump_app_support;
u32 secure_jbod_support;
+ u32 support_morethan256jbod; /* FW support for more than 256 PD/JBOD */
bool use_seqnum_jbod_fp; /* Added for PD sequence */
spinlock_t crashdump_lock;

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index be11e9d..eb65077 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -4578,6 +4578,7 @@ static void megasas_update_ext_vd_details(struct megasas_instance *instance)
le32_to_cpus((u32 *)&ctrl_info->properties.OnOffProperties);
le32_to_cpus((u32 *)&ctrl_info->adapterOperations2);
le32_to_cpus((u32 *)&ctrl_info->adapterOperations3);
+ le16_to_cpus((u16 *)&ctrl_info->adapterOperations4);

/* Update the latest Ext VD info.
* From Init path, store current firmware details.
@@ -4586,7 +4587,9 @@ static void megasas_update_ext_vd_details(struct megasas_instance *instance)
*/
megasas_update_ext_vd_details(instance);
instance->use_seqnum_jbod_fp =
- ctrl_info->adapterOperations3.useSeqNumJbodFP;
+ ctrl_info->adapterOperations3.useSeqNumJbodFP;
+ instance->support_morethan256jbod =
+ ctrl_info->adapterOperations4.supportPdMapTargetId;

/*Check whether controller is iMR or MR */
instance->is_imr = (ctrl_info->memory_size ? 0 : 1);
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index e8016bc..7c4f7bf 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -862,6 +862,9 @@ static int megasas_create_sg_sense_fusion(struct megasas_instance *instance)
drv_ops->mfi_capabilities.support_ext_queue_depth = 1;

drv_ops->mfi_capabilities.support_qd_throttling = 1;
+
+ drv_ops->mfi_capabilities.supportPdMapTargetId = 1;
+
/* Convert capability to LE32 */
cpu_to_le32s((u32 *)&init_frame->driver_operations.mfi_capabilities);

@@ -2232,8 +2235,12 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
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
- */
+ * below raid map
+ */
+ /* More than 256 PD/JBOD support for Ventura */
+ if (instance->support_morethan256jbod)
+ pRAID_Context->VirtualDiskTgtId = pd_sync->seq[pd_index].pdTargetId;
+ else
pRAID_Context->VirtualDiskTgtId =
cpu_to_le16(device_id + (MAX_PHYSICAL_DEVICES - 1));
pRAID_Context->configSeqNum = pd_sync->seq[pd_index].seqNum;
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.h b/drivers/scsi/megaraid/megaraid_sas_fusion.h
index e7be042..193d119 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.h
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.h
@@ -1183,7 +1183,8 @@ struct MR_PD_CFG_SEQ {
u8 reserved:7;
#endif
} capability;
- u8 reserved[3];
+ u8 reserved;
+ u16 pdTargetId;
} __packed;

struct MR_PD_CFG_SEQ_NUM_SYNC {
--
1.8.3.1
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