[SCSI] megaraid_sas: infrastructure to get PDs from FW
Add system PDs to OS. Driver implemented the get_pd_list function to
get the system PD from FW.
Signed-off-by Bo Yang<bo.yang@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 365a961..8ac6b26 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -133,6 +133,7 @@
#define MR_DCMD_CLUSTER 0x08000000
#define MR_DCMD_CLUSTER_RESET_ALL 0x08010100
#define MR_DCMD_CLUSTER_RESET_LD 0x08010200
+#define MR_DCMD_PD_LIST_QUERY 0x02010100
/*
* MFI command completion codes
@@ -253,10 +254,90 @@
MR_EVT_ARGS_STR,
MR_EVT_ARGS_TIME,
MR_EVT_ARGS_ECC,
-
+ MR_EVT_ARGS_LD_PROP,
+ MR_EVT_ARGS_PD_SPARE,
+ MR_EVT_ARGS_PD_INDEX,
+ MR_EVT_ARGS_DIAG_PASS,
+ MR_EVT_ARGS_DIAG_FAIL,
+ MR_EVT_ARGS_PD_LBA_LBA,
+ MR_EVT_ARGS_PORT_PHY,
+ MR_EVT_ARGS_PD_MISSING,
+ MR_EVT_ARGS_PD_ADDRESS,
+ MR_EVT_ARGS_BITMAP,
+ MR_EVT_ARGS_CONNECTOR,
+ MR_EVT_ARGS_PD_PD,
+ MR_EVT_ARGS_PD_FRU,
+ MR_EVT_ARGS_PD_PATHINFO,
+ MR_EVT_ARGS_PD_POWER_STATE,
+ MR_EVT_ARGS_GENERIC,
};
/*
+ * define constants for device list query options
+ */
+enum MR_PD_QUERY_TYPE {
+ MR_PD_QUERY_TYPE_ALL = 0,
+ MR_PD_QUERY_TYPE_STATE = 1,
+ MR_PD_QUERY_TYPE_POWER_STATE = 2,
+ MR_PD_QUERY_TYPE_MEDIA_TYPE = 3,
+ MR_PD_QUERY_TYPE_SPEED = 4,
+ MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5,
+};
+
+enum MR_PD_STATE {
+ MR_PD_STATE_UNCONFIGURED_GOOD = 0x00,
+ MR_PD_STATE_UNCONFIGURED_BAD = 0x01,
+ MR_PD_STATE_HOT_SPARE = 0x02,
+ MR_PD_STATE_OFFLINE = 0x10,
+ MR_PD_STATE_FAILED = 0x11,
+ MR_PD_STATE_REBUILD = 0x14,
+ MR_PD_STATE_ONLINE = 0x18,
+ MR_PD_STATE_COPYBACK = 0x20,
+ MR_PD_STATE_SYSTEM = 0x40,
+ };
+
+
+ /*
+ * defines the physical drive address structure
+ */
+struct MR_PD_ADDRESS {
+ u16 deviceId;
+ u16 enclDeviceId;
+
+ union {
+ struct {
+ u8 enclIndex;
+ u8 slotNumber;
+ } mrPdAddress;
+ struct {
+ u8 enclPosition;
+ u8 enclConnectorIndex;
+ } mrEnclAddress;
+ };
+ u8 scsiDevType;
+ union {
+ u8 connectedPortBitmap;
+ u8 connectedPortNumbers;
+ };
+ u64 sasAddr[2];
+} __packed;
+
+/*
+ * defines the physical drive list structure
+ */
+struct MR_PD_LIST {
+ u32 size;
+ u32 count;
+ struct MR_PD_ADDRESS addr[1];
+} __packed;
+
+struct megasas_pd_list {
+ u16 tid;
+ u8 driveType;
+ u8 driveState;
+} __packed;
+
+/*
* SAS controller properties
*/
struct megasas_ctrl_prop {
@@ -284,7 +365,7 @@
u8 expose_encl_devices;
u8 reserved[38];
-} __attribute__ ((packed));
+} __packed;
/*
* SAS controller information
@@ -527,7 +608,7 @@
u8 pad[0x800 - 0x6a0];
-} __attribute__ ((packed));
+} __packed;
/*
* ===============================
@@ -542,6 +623,8 @@
#define MEGASAS_DEFAULT_INIT_ID -1
#define MEGASAS_MAX_LUN 8
#define MEGASAS_MAX_LD 64
+#define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \
+ MEGASAS_MAX_DEV_PER_CHANNEL)
#define MEGASAS_DBG_LVL 1
@@ -1089,6 +1172,7 @@
unsigned long base_addr;
struct megasas_register_set __iomem *reg_set;
+ struct megasas_pd_list pd_list[MEGASAS_MAX_PD];
s8 init_id;
u16 max_num_sge;