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Diffstat (limited to 'drivers/scsi/cxlflash/sislite.h')
-rw-r--r--drivers/scsi/cxlflash/sislite.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/scsi/cxlflash/sislite.h b/drivers/scsi/cxlflash/sislite.h
index 1a2d09c148b3..a6e48a893fef 100644
--- a/drivers/scsi/cxlflash/sislite.h
+++ b/drivers/scsi/cxlflash/sislite.h
@@ -72,7 +72,10 @@ struct sisl_ioarcb {
u16 timeout; /* in units specified by req_flags */
u32 rsvd1;
u8 cdb[16]; /* must be in big endian */
- u64 reserved; /* Reserved area */
+ union {
+ u64 reserved; /* Reserved for IOARRIN mode */
+ struct sisl_ioasa *ioasa; /* IOASA EA for SQ Mode */
+ };
} __packed;
struct sisl_rc {
@@ -260,6 +263,11 @@ struct sisl_host_map {
__be64 cmd_room;
__be64 ctx_ctrl; /* least significant byte or b56:63 is LISN# */
__be64 mbox_w; /* restricted use */
+ __be64 sq_start; /* Submission Queue (R/W): write sequence and */
+ __be64 sq_end; /* inclusion semantics are the same as RRQ */
+ __be64 sq_head; /* Submission Queue Head (R): for debugging */
+ __be64 sq_tail; /* Submission Queue TAIL (R/W): next IOARCB */
+ __be64 sq_ctx_reset; /* Submission Queue Context Reset (R/W) */
};
/* per context provisioning & control MMIO */
@@ -348,6 +356,15 @@ struct sisl_global_regs {
__be64 rsvd[0xf8];
__le64 afu_version;
__be64 interface_version;
+#define SISL_INTVER_CAP_SHIFT 16
+#define SISL_INTVER_MAJ_SHIFT 8
+#define SISL_INTVER_CAP_MASK 0xFFFFFFFF00000000ULL
+#define SISL_INTVER_MAJ_MASK 0x00000000FFFF0000ULL
+#define SISL_INTVER_MIN_MASK 0x000000000000FFFFULL
+#define SISL_INTVER_CAP_IOARRIN_CMD_MODE 0x800000000000ULL
+#define SISL_INTVER_CAP_SQ_CMD_MODE 0x400000000000ULL
+#define SISL_INTVER_CAP_RESERVED_CMD_MODE_A 0x200000000000ULL
+#define SISL_INTVER_CAP_RESERVED_CMD_MODE_B 0x100000000000ULL
};
#define CXLFLASH_NUM_FC_PORTS 2