system/freebsd-src
system/freebsd-src
1
0
Fork 0
mirror of https://github.com/freebsd/freebsd-src synced 2024-10-15 12:54:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

nvme: Add constants and types for the discovery log page

Browse source 
This is used in NVMe over Fabrics to enumerate a list of available
controllers.

Reviewed by:	imp
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D44446
This commit is contained in:
John Baldwin 2024-03-22 17:24:18 -07:00
parent b354bb04cb
commit 88ecf154c7
1 changed files with 66 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

66
sys/dev/nvme/nvme.h
View file

@ -1459,6 +1459,7 @@ enum nvme_log_page {
NVME_LOG_PERSISTENT_EVENT_LOG = 0x0d,
NVME_LOG_LBA_STATUS_INFORMATION = 0x0e,
NVME_LOG_ENDURANCE_GROUP_EVENT_AGGREGATE = 0x0f,
NVME_LOG_DISCOVERY = 0x70,
/* 0x06-0x7F - reserved */
/* 0x80-0xBF - I/O command set specific */
NVME_LOG_RES_NOTIFICATION = 0x80,
@ -1591,6 +1592,48 @@ struct nvme_device_self_test_page {
_Static_assert(sizeof(struct nvme_device_self_test_page) == 564,
"bad size for nvme_device_self_test_page");
struct nvme_discovery_log_entry {
uint8_t trtype;
uint8_t adrfam;
uint8_t subtype;
uint8_t treq;
uint16_t portid;
uint16_t cntlid;
uint16_t aqsz;
uint8_t reserved1[22];
uint8_t trsvcid[32];
uint8_t reserved2[192];
uint8_t subnqn[256];
uint8_t traddr[256];
union {
struct {
uint8_t rdma_qptype;
uint8_t rdma_prtype;
uint8_t rdma_cms;
uint8_t reserved[5];
uint16_t rdma_pkey;
} rdma;
struct {
uint8_t sectype;
} tcp;
uint8_t reserved[256];
} tsas;
} __packed __aligned(4);
_Static_assert(sizeof(struct nvme_discovery_log_entry) == 1024,
"bad size for nvme_discovery_log_entry");
struct nvme_discovery_log {
uint64_t genctr;
uint64_t numrec;
uint16_t recfmt;
uint8_t reserved[1006];
struct nvme_discovery_log_entry entries[];
} __packed __aligned(4);
_Static_assert(sizeof(struct nvme_discovery_log) == 1024,
"bad size for nvme_discovery_log");
struct nvme_res_notification_page {
uint64_t log_page_count;
uint8_t log_page_type;
@ -2215,4 +2258,27 @@ nvme_device_self_test_swapbytes(struct nvme_device_self_test_page *s __unused)
}
#endif
}
static inline void
nvme_discovery_log_entry_swapbytes(struct nvme_discovery_log_entry *s __unused)
{
#if _BYTE_ORDER != _LITTLE_ENDIAN
s->portid = le16toh(s->portid);
s->cntlid = le16toh(s->cntlid);
s->aqsz = le16toh(s->aqsz);
if (s->trtype == 0x01 /* RDMA */) {
s->tsas.rdma.rdma_pkey = le16toh(s->tsas.rdma.rdma_pkey);
}
#endif
}
static inline void
nvme_discovery_log_swapbytes(struct nvme_discovery_log *s __unused)
{
#if _BYTE_ORDER != _LITTLE_ENDIAN
s->genctr = le64toh(s->genctr);
s->numrec = le64toh(s->numrec);
s->recfmt = le16toh(s->recfmt);
#endif
}
#endif /* __NVME_H__ */