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nvmf_proto.h: Add additional types and constants from the 1.1 spec

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- Add opcode, command structure, and new error code for Disconnect
  fabrics opcode.

- Add a generic struct nvmf_fabric_command.

- Add constants for special controller ID values.

- Add constants for the cattr field in the Connect command and the
  default value for the kato field in the Connect command.

- Add constants for the offset of controller properties (Fabrics
  version of controller registers).

Reviewed by:	imp
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D44705
This commit is contained in:
John Baldwin 2024-05-02 16:26:56 -07:00
parent 878d102ab9
commit 52d5738dc5
1 changed files with 44 additions and 0 deletions
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44
sys/dev/nvmf/nvmf_proto.h
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@ -43,6 +43,7 @@ enum nvmf_fabric_cmd_types {
NVMF_FABRIC_COMMAND_PROPERTY_GET = 0x04,
NVMF_FABRIC_COMMAND_AUTHENTICATION_SEND = 0x05,
NVMF_FABRIC_COMMAND_AUTHENTICATION_RECV = 0x06,
NVMF_FABRIC_COMMAND_DISCONNECT = 0x08,
NVMF_FABRIC_COMMAND_START_VENDOR_SPECIFIC = 0xC0,
};
@ -52,6 +53,7 @@ enum nvmf_fabric_cmd_status_code {
NVMF_FABRIC_SC_INVALID_PARAM = 0x82,
NVMF_FABRIC_SC_RESTART_DISCOVERY = 0x83,
NVMF_FABRIC_SC_INVALID_HOST = 0x84,
NVMF_FABRIC_SC_INVALID_QUEUE_TYPE = 0x85,
NVMF_FABRIC_SC_LOG_RESTART_DISCOVERY = 0x90,
NVMF_FABRIC_SC_AUTH_REQUIRED = 0x91,
};
@ -166,6 +168,14 @@ enum nvmf_treq_secure_channel {
NVMF_TREQ_SECURE_CHANNEL_NOT_REQUIRED = 0x2,
};
struct nvmf_fabric_cmd {
uint8_t opcode;
uint8_t reserved1;
uint16_t cid;
uint8_t fctype;
uint8_t reserved2[59];
};
struct nvmf_fabric_auth_recv_cmd {
uint8_t opcode;
uint8_t reserved1;
@ -225,6 +235,22 @@ struct nvmf_fabric_connect_cmd {
};
_Static_assert(sizeof(struct nvmf_fabric_connect_cmd) == 64, "Incorrect size");
#define NVMF_CNTLID_DYNAMIC 0xFFFF
#define NVMF_CNTLID_STATIC_ANY 0xFFFE
/*
* XXX: 5.3 in NVMe-over-Fabrics 1.1 gives this as an upper bound in
* the Discovery Log Entry.
*/
#define NVMF_CNTLID_STATIC_MAX 0xFFEF
/* 5.21.1.15 in NVMe 1.4b */
#define NVMF_KATO_DEFAULT (120000)
#define NVMF_CONNECT_ATTR_PRIORITY_CLASS (0x3)
#define NVMF_CONNECT_ATTR_DISABLE_SQ_FC (1u << 2)
#define NVMF_CONNECT_ATTR_IO_QUEUE_DELETION (1u << 3)
struct nvmf_fabric_connect_rsp {
union {
struct {
@ -249,9 +275,27 @@ struct nvmf_fabric_connect_rsp {
};
_Static_assert(sizeof(struct nvmf_fabric_connect_rsp) == 16, "Incorrect size");
struct nvmf_fabric_disconnect_cmd {
uint8_t opcode;
uint8_t reserved1;
uint16_t cid;
uint8_t fctype;
uint8_t reserved2[19];
struct nvme_sgl_descriptor sgl1;
uint16_t recfmt; /* Disconnect Record Format */
uint8_t reserved3[22];
};
_Static_assert(sizeof(struct nvmf_fabric_disconnect_cmd) == 64, "Incorrect size");
#define NVMF_PROP_SIZE_4 0
#define NVMF_PROP_SIZE_8 1
#define NVMF_PROP_CAP 0x00 /* Controller Capabilities */
#define NVMF_PROP_VS 0x08 /* Version */
#define NVMF_PROP_CC 0x14 /* Controller Configuration */
#define NVMF_PROP_CSTS 0x1C /* Controller Status */
#define NVMF_PROP_NSSR 0x20 /* NVM Subsystem Reset */
struct nvmf_fabric_prop_get_cmd {
uint8_t opcode;
uint8_t reserved1;