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scsi: cxlflash: Refactor AFU capability checking

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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: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Matthew R. Ochs 2017-06-21 21:16:02 -05:00 committed by Martin K. Petersen
parent d6e32f530d
commit efa1c818d3
1 changed files with 4 additions and 4 deletions
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8
drivers/scsi/cxlflash/common.h
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@ -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)