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nvme: add nvme_opcode_str function for all nvme cmd types 

nvme_opcode_str will handle io/admin/fabrics ops

This improves NVMe errors logging

Signed-off-by: Amit Engel <Amit.Engel@dell.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Amit Engel 2022-12-12 21:40:35 +02:00 committed by Christoph Hellwig
parent 62281b9ed6
commit 567da14d46
2 changed files with 29 additions and 0 deletions
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16
drivers/nvme/host/constants.c
View File

@ -54,6 +54,14 @@ static const char * const nvme_admin_ops[] = {
[nvme_admin_get_lba_status] = "Get LBA Status",
};
static const char * const nvme_fabrics_ops[] = {
[nvme_fabrics_type_property_set] = "Property Set",
[nvme_fabrics_type_property_get] = "Property Get",
[nvme_fabrics_type_connect] = "Connect",
[nvme_fabrics_type_auth_send] = "Authentication Send",
[nvme_fabrics_type_auth_receive] = "Authentication Receive",
};
static const char * const nvme_statuses[] = {
[NVME_SC_SUCCESS] = "Success",
[NVME_SC_INVALID_OPCODE] = "Invalid Command Opcode",
@ -185,3 +193,11 @@ const unsigned char *nvme_get_admin_opcode_str(u8 opcode)
return nvme_admin_ops[opcode];
return "Unknown";
}
EXPORT_SYMBOL_GPL(nvme_get_admin_opcode_str);
const unsigned char *nvme_get_fabrics_opcode_str(u8 opcode) {
if (opcode < ARRAY_SIZE(nvme_fabrics_ops) && nvme_fabrics_ops[opcode])
return nvme_fabrics_ops[opcode];
return "Unknown";
}
EXPORT_SYMBOL_GPL(nvme_get_fabrics_opcode_str);

13
drivers/nvme/host/nvme.h
View File

@ -1087,6 +1087,7 @@ static inline bool nvme_multi_css(struct nvme_ctrl *ctrl)
const unsigned char *nvme_get_error_status_str(u16 status);
const unsigned char *nvme_get_opcode_str(u8 opcode);
const unsigned char *nvme_get_admin_opcode_str(u8 opcode);
const unsigned char *nvme_get_fabrics_opcode_str(u8 opcode);
#else /* CONFIG_NVME_VERBOSE_ERRORS */
static inline const unsigned char *nvme_get_error_status_str(u16 status)
{
@ -1100,6 +1101,18 @@ static inline const unsigned char *nvme_get_admin_opcode_str(u8 opcode)
{
return "Admin Cmd";
}
static inline const unsigned char *nvme_get_fabrics_opcode_str(u8 opcode)
{
return "Fabrics Cmd";
}
#endif /* CONFIG_NVME_VERBOSE_ERRORS */
static inline const unsigned char *nvme_opcode_str(int qid, u8 opcode, u8 fctype)
{
if (opcode == nvme_fabrics_command)
return nvme_get_fabrics_opcode_str(fctype);
return qid ? nvme_get_opcode_str(opcode) :
nvme_get_admin_opcode_str(opcode);
}
#endif /* _NVME_H */