scsi: cxlflash: Refactor AFU capability checking

The existing AFU capability checking infrastructure is closely tied to
the command mode capability bits. In order to support new capabilities,
refactor the existing infrastructure to be more generic.
Signed-off-by: NMatthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: NUma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/cxlflash/common.h

@@ -255,21 +255,21 @@ static inline bool afu_is_irqpoll_enabled(struct afu *afu)
 	return !!afu->irqpoll_weight;
 }
 
-static inline bool afu_is_cmd_mode(struct afu *afu, u64 cmd_mode)
+static inline bool afu_has_cap(struct afu *afu, u64 cap)
 {
 	u64 afu_cap = afu->interface_version >> SISL_INTVER_CAP_SHIFT;
 
-	return afu_cap & cmd_mode;
+	return afu_cap & cap;
 }
 
 static inline bool afu_is_sq_cmd_mode(struct afu *afu)
 {
-	return afu_is_cmd_mode(afu, SISL_INTVER_CAP_SQ_CMD_MODE);
+	return afu_has_cap(afu, SISL_INTVER_CAP_SQ_CMD_MODE);
 }
 
 static inline bool afu_is_ioarrin_cmd_mode(struct afu *afu)
 {
-	return afu_is_cmd_mode(afu, SISL_INTVER_CAP_IOARRIN_CMD_MODE);
+	return afu_has_cap(afu, SISL_INTVER_CAP_IOARRIN_CMD_MODE);
 }
 
 static inline u64 lun_to_lunid(u64 lun)