This makes the code more readable.
Signed-off-by: Max Gurtovoy <mgurtovoy@xxxxxxxxxx>
---
drivers/nvme/host/core.c | 12 ++++++------
include/linux/nvme.h | 12 ++++++++++++
2 files changed, 18 insertions(+), 6 deletions(-)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 3f1a7dc2a2a3..50668e1bd9f1 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2068,17 +2068,17 @@ static char nvme_pr_type(enum pr_type type)
{
switch (type) {
case PR_WRITE_EXCLUSIVE:
- return 1;
+ return NVME_PR_WRITE_EXCLUSIVE;
case PR_EXCLUSIVE_ACCESS:
- return 2;
+ return NVME_PR_EXCLUSIVE_ACCESS;
case PR_WRITE_EXCLUSIVE_REG_ONLY:
- return 3;
+ return NVME_PR_WRITE_EXCLUSIVE_REG_ONLY;
case PR_EXCLUSIVE_ACCESS_REG_ONLY:
- return 4;
+ return NVME_PR_EXCLUSIVE_ACCESS_REG_ONLY;
case PR_WRITE_EXCLUSIVE_ALL_REGS:
- return 5;
+ return NVME_PR_WRITE_EXCLUSIVE_ALL_REGS;
case PR_EXCLUSIVE_ACCESS_ALL_REGS:
- return 6;
+ return NVME_PR_EXCLUSIVE_ACCESS_ALL_REGS;
default:
return 0;
}
diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index ae53d74f3696..a925be0056f2 100644
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -238,6 +238,18 @@ enum {
NVME_CAP_CRMS_CRIMS = 1ULL << 60,
};
+/*
+ * Reservation Type Encoding
+ */
+enum {
+ NVME_PR_WRITE_EXCLUSIVE = 1, /* Write Exclusive Reservation */
+ NVME_PR_EXCLUSIVE_ACCESS = 2, /* Exclusive Access Reservation */
+ NVME_PR_WRITE_EXCLUSIVE_REG_ONLY = 3, /* Write Exclusive - Registrants Only Reservation */
+ NVME_PR_EXCLUSIVE_ACCESS_REG_ONLY = 4, /* Exclusive Access - Registrants Only Reservation */
+ NVME_PR_WRITE_EXCLUSIVE_ALL_REGS = 5, /* Write Exclusive - All Registrants Reservation */
+ NVME_PR_EXCLUSIVE_ACCESS_ALL_REGS = 6, /* Exclusive Access - All Registrants Reservation */
+};
+
struct nvme_id_power_state {
__le16 max_power; /* centiwatts */
__u8 rsvd2;
--
2.18.1
