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nvme: add FDP definitions

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Add the config feature result, config log page, and management receive
commands needed for FDP.

Partially based on a patch from Kanchan Joshi <joshi.k@samsung.com>.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Nitesh Shetty <nj.shetty@samsung.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20250506121732.8211-10-joshi.k@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2025-05-06 17:47:30 +05:30 committed by Jens Axboe
parent 7a044d34b1
commit ee203d3d86
1 changed files with 77 additions and 0 deletions
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77
include/linux/nvme.h
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@ -303,6 +303,7 @@ enum nvme_ctrl_attr {
NVME_CTRL_ATTR_TBKAS = (1 << 6),
NVME_CTRL_ATTR_ELBAS = (1 << 15),
NVME_CTRL_ATTR_RHII = (1 << 18),
NVME_CTRL_ATTR_FDPS = (1 << 19),
};
struct nvme_id_ctrl {
@ -689,6 +690,44 @@ struct nvme_rotational_media_log {
__u8 rsvd24[488];
};
struct nvme_fdp_config {
__u8 flags;
#define FDPCFG_FDPE (1U << 0)
__u8 fdpcidx;
__le16 reserved;
};
struct nvme_fdp_ruh_desc {
__u8 ruht;
__u8 reserved[3];
};
struct nvme_fdp_config_desc {
__le16 dsze;
__u8 fdpa;
__u8 vss;
__le32 nrg;
__le16 nruh;
__le16 maxpids;
__le32 nns;
__le64 runs;
__le32 erutl;
__u8 rsvd28[36];
struct nvme_fdp_ruh_desc ruhs[];
};
struct nvme_fdp_config_log {
__le16 numfdpc;
__u8 ver;
__u8 rsvd3;
__le32 sze;
__u8 rsvd8[8];
/*
* This is followed by variable number of nvme_fdp_config_desc
* structures, but sparse doesn't like nested variable sized arrays.
*/
};
struct nvme_smart_log {
__u8 critical_warning;
__u8 temperature[2];
@ -915,6 +954,7 @@ enum nvme_opcode {
nvme_cmd_resv_register = 0x0d,
nvme_cmd_resv_report = 0x0e,
nvme_cmd_resv_acquire = 0x11,
nvme_cmd_io_mgmt_recv = 0x12,
nvme_cmd_resv_release = 0x15,
nvme_cmd_zone_mgmt_send = 0x79,
nvme_cmd_zone_mgmt_recv = 0x7a,
@ -936,6 +976,7 @@ enum nvme_opcode {
nvme_opcode_name(nvme_cmd_resv_register), \
nvme_opcode_name(nvme_cmd_resv_report), \
nvme_opcode_name(nvme_cmd_resv_acquire), \
nvme_opcode_name(nvme_cmd_io_mgmt_recv), \
nvme_opcode_name(nvme_cmd_resv_release), \
nvme_opcode_name(nvme_cmd_zone_mgmt_send), \
nvme_opcode_name(nvme_cmd_zone_mgmt_recv), \
@ -1087,6 +1128,7 @@ enum {
NVME_RW_PRINFO_PRCHK_GUARD = 1 << 12,
NVME_RW_PRINFO_PRACT = 1 << 13,
NVME_RW_DTYPE_STREAMS = 1 << 4,
NVME_RW_DTYPE_DPLCMT = 2 << 4,
NVME_WZ_DEAC = 1 << 9,
};
@ -1174,6 +1216,38 @@ struct nvme_zone_mgmt_recv_cmd {
__le32 cdw14[2];
};
struct nvme_io_mgmt_recv_cmd {
__u8 opcode;
__u8 flags;
__u16 command_id;
__le32 nsid;
__le64 rsvd2[2];
union nvme_data_ptr dptr;
__u8 mo;
__u8 rsvd11;
__u16 mos;
__le32 numd;
__le32 cdw12[4];
};
enum {
NVME_IO_MGMT_RECV_MO_RUHS = 1,
};
struct nvme_fdp_ruh_status_desc {
__le16 pid;
__le16 ruhid;
__le32 earutr;
__le64 ruamw;
__u8 reserved[16];
};
struct nvme_fdp_ruh_status {
__u8 rsvd0[14];
__le16 nruhsd;
struct nvme_fdp_ruh_status_desc ruhsd[];
};
enum {
NVME_ZRA_ZONE_REPORT = 0,
NVME_ZRASF_ZONE_REPORT_ALL = 0,
@ -1309,6 +1383,7 @@ enum {
NVME_FEAT_PLM_WINDOW = 0x14,
NVME_FEAT_HOST_BEHAVIOR = 0x16,
NVME_FEAT_SANITIZE = 0x17,
NVME_FEAT_FDP = 0x1d,
NVME_FEAT_SW_PROGRESS = 0x80,
NVME_FEAT_HOST_ID = 0x81,
NVME_FEAT_RESV_MASK = 0x82,
@ -1329,6 +1404,7 @@ enum {
NVME_LOG_ANA = 0x0c,
NVME_LOG_FEATURES = 0x12,
NVME_LOG_RMI = 0x16,
NVME_LOG_FDP_CONFIGS = 0x20,
NVME_LOG_DISC = 0x70,
NVME_LOG_RESERVATION = 0x80,
NVME_FWACT_REPL = (0 << 3),
@ -1923,6 +1999,7 @@ struct nvme_command {
struct nvmf_auth_receive_command auth_receive;
struct nvme_dbbuf dbbuf;
struct nvme_directive_cmd directive;
struct nvme_io_mgmt_recv_cmd imr;
};
};