NVME_CMD_SGL_ALL = NVME_CMD_SGL_METABUF | NVME_CMD_SGL_METASEG,
};
-struct nvme_common_command {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __le32 cdw2[2];
- __le64 metadata;
- union nvme_data_ptr dptr;
- __le32 cdw10[6];
-};
-
-struct nvme_rw_command {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2;
- __le64 metadata;
- union nvme_data_ptr dptr;
- __le64 slba;
- __le16 length;
- __le16 control;
- __le32 dsmgmt;
- __le32 reftag;
- __le16 apptag;
- __le16 appmask;
-};
-
enum {
NVME_RW_LR = 1 << 15,
NVME_RW_FUA = 1 << 14,
NVME_RW_DTYPE_STREAMS = 1 << 4,
};
-struct nvme_dsm_cmd {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2[2];
- union nvme_data_ptr dptr;
- __le32 nr;
- __le32 attributes;
- __u32 rsvd12[4];
-};
-
enum {
NVME_DSMGMT_IDR = 1 << 0,
NVME_DSMGMT_IDW = 1 << 1,
__le64 slba;
};
-struct nvme_write_zeroes_cmd {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2;
- __le64 metadata;
- union nvme_data_ptr dptr;
- __le64 slba;
- __le16 length;
- __le16 control;
- __le32 dsmgmt;
- __le32 reftag;
- __le16 apptag;
- __le16 appmask;
-};
-
/* Features */
-
struct nvme_feat_auto_pst {
__le64 entries[32];
};
NVME_SELF_TEST_REPORTS = 20,
};
-struct nvme_identify {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2[2];
- union nvme_data_ptr dptr;
- __u8 cns;
- __u8 rsvd3;
- __le16 ctrlid;
- __u32 rsvd11[5];
-};
-
#define NVME_IDENTIFY_DATA_SIZE 4096
-struct nvme_features {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2[2];
- union nvme_data_ptr dptr;
- __le32 fid;
- __le32 dword11;
- __le32 dword12;
- __le32 dword13;
- __le32 dword14;
- __le32 dword15;
-};
-
struct nvme_host_mem_buf_desc {
__le64 addr;
__le32 size;
__u32 rsvd;
};
-struct nvme_create_cq {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __u32 rsvd1[5];
- __le64 prp1;
- __u64 rsvd8;
- __le16 cqid;
- __le16 qsize;
- __le16 cq_flags;
- __le16 irq_vector;
- __u32 rsvd12[4];
-};
-
-struct nvme_create_sq {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __u32 rsvd1[5];
- __le64 prp1;
- __u64 rsvd8;
- __le16 sqid;
- __le16 qsize;
- __le16 sq_flags;
- __le16 cqid;
- __u32 rsvd12[4];
-};
-
-struct nvme_delete_queue {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __u32 rsvd1[9];
- __le16 qid;
- __u16 rsvd10;
- __u32 rsvd11[5];
-};
-
-struct nvme_abort_cmd {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __u32 rsvd1[9];
- __le16 sqid;
- __u16 cid;
- __u32 rsvd11[5];
-};
-
-struct nvme_download_firmware {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __u32 rsvd1[5];
- union nvme_data_ptr dptr;
- __le32 numd;
- __le32 offset;
- __u32 rsvd12[4];
-};
-
-struct nvme_format_cmd {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2[4];
- __le32 cdw10;
- __u32 rsvd11[5];
-};
-
-struct nvme_get_log_page_command {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2[2];
- union nvme_data_ptr dptr;
- __u8 lid;
- __u8 lsp;
- __le16 numdl;
- __le16 numdu;
- __u16 rsvd11;
- __le32 lpol;
- __le32 lpou;
- __u32 rsvd14[2];
-};
-
-struct nvme_directive_cmd {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __le32 nsid;
- __u64 rsvd2[2];
- union nvme_data_ptr dptr;
- __le32 numd;
- __u8 doper;
- __u8 dtype;
- __le16 dspec;
- __u8 endir;
- __u8 tdtype;
- __u16 rsvd15;
-
- __u32 rsvd16[3];
-};
-
/* Sanitize Log Page */
struct nvme_sanitize_log_page {
__le16 progress;
nvme_fabrics_type_property_get = 0x04,
};
-struct nvmf_common_command {
- __u8 opcode;
- __u8 resv1;
- __u16 command_id;
- __u8 fctype;
- __u8 resv2[35];
- __u8 ts[24];
-};
-
/*
* The legal cntlid range a NVMe Target will provide.
* Note that cntlid of value 0 is considered illegal in the fabrics world.
struct nvmf_disc_rsp_page_entry entries[0];
};
-struct nvmf_connect_command {
- __u8 opcode;
- __u8 resv1;
- __u16 command_id;
- __u8 fctype;
- __u8 resv2[19];
- union nvme_data_ptr dptr;
- __le16 recfmt;
- __le16 qid;
- __le16 sqsize;
- __u8 cattr;
- __u8 resv3;
- __le32 kato;
- __u8 resv4[12];
-};
-
struct nvmf_connect_data {
uuid_t hostid;
__le16 cntlid;
char resv5[256];
};
-struct nvmf_property_set_command {
- __u8 opcode;
- __u8 resv1;
- __u16 command_id;
- __u8 fctype;
- __u8 resv2[35];
- __u8 attrib;
- __u8 resv3[3];
- __le32 offset;
- __le64 value;
- __u8 resv4[8];
-};
-
-struct nvmf_property_get_command {
- __u8 opcode;
- __u8 resv1;
- __u16 command_id;
- __u8 fctype;
- __u8 resv2[35];
- __u8 attrib;
- __u8 resv3[3];
- __le32 offset;
- __u8 resv4[16];
-};
-
-struct nvme_dbbuf {
- __u8 opcode;
- __u8 flags;
- __u16 command_id;
- __u32 rsvd1[5];
- __le64 prp1;
- __le64 prp2;
- __u32 rsvd12[6];
-};
-
struct streams_directive_params {
__le16 msl;
__le16 nssa;
__u8 rsvd2[6];
};
-struct nvme_command {
- union {
- struct nvme_common_command common;
- struct nvme_rw_command rw;
- struct nvme_identify identify;
- struct nvme_features features;
- struct nvme_create_cq create_cq;
- struct nvme_create_sq create_sq;
- struct nvme_delete_queue delete_queue;
- struct nvme_download_firmware dlfw;
- struct nvme_format_cmd format;
- struct nvme_dsm_cmd dsm;
- struct nvme_write_zeroes_cmd write_zeroes;
- struct nvme_abort_cmd abort;
- struct nvme_get_log_page_command get_log_page;
- struct nvmf_common_command fabrics;
- struct nvmf_connect_command connect;
- struct nvmf_property_set_command prop_set;
- struct nvmf_property_get_command prop_get;
- struct nvme_dbbuf dbbuf;
- struct nvme_directive_cmd directive;
- };
-};
-
-static inline bool nvme_is_write(struct nvme_command *cmd)
-{
- /*
- * What a mess...
- *
- * Why can't we simply have a Fabrics In and Fabrics out command?
- */
- if (unlikely(cmd->common.opcode == nvme_fabrics_command))
- return cmd->fabrics.fctype & 1;
- return cmd->common.opcode & 1;
-}
-
enum {
NVME_SCT_GENERIC = 0x0,
NVME_SCT_CMD_SPECIFIC = 0x1,
}
-/*
- * Perform the opposite operation of the byte-swapping code at the start of the
- * kernel function nvme_user_cmd().
- */
-static void nvme_to_passthru_cmd(struct nvme_passthru_cmd *pcmd,
- const struct nvme_command *ncmd)
-{
- assert(sizeof(*ncmd) < sizeof(*pcmd));
- memset(pcmd, 0, sizeof(*pcmd));
- pcmd->opcode = ncmd->common.opcode;
- pcmd->flags = ncmd->common.flags;
- pcmd->rsvd1 = ncmd->common.command_id;
- pcmd->nsid = le32_to_cpu(ncmd->common.nsid);
- pcmd->cdw2 = le32_to_cpu(ncmd->common.cdw2[0]);
- pcmd->cdw3 = le32_to_cpu(ncmd->common.cdw2[1]);
- /* Skip metadata and addr */
- pcmd->cdw10 = le32_to_cpu(ncmd->common.cdw10[0]);
- pcmd->cdw11 = le32_to_cpu(ncmd->common.cdw10[1]);
- pcmd->cdw12 = le32_to_cpu(ncmd->common.cdw10[2]);
- pcmd->cdw13 = le32_to_cpu(ncmd->common.cdw10[3]);
- pcmd->cdw14 = le32_to_cpu(ncmd->common.cdw10[4]);
- pcmd->cdw15 = le32_to_cpu(ncmd->common.cdw10[5]);
-}
-
int nvme_get_property(int fd, int offset, uint64_t *value)
{
- struct nvme_passthru_cmd pcmd;
- struct nvmf_property_get_command pg = {
- .opcode = nvme_fabrics_command,
- .fctype = nvme_fabrics_type_property_get,
- .offset = cpu_to_le32(offset),
- .attrib = is_64bit_reg(offset),
+ struct nvme_passthru_cmd cmd = {
+ .opcode = nvme_fabrics_command,
+ .nsid = nvme_fabrics_type_property_get,
+ .cdw10 = is_64bit_reg(offset),
+ .cdw11 = offset,
};
- struct nvme_command gcmd;
int err;
- gcmd.prop_get = pg;
- nvme_to_passthru_cmd(&pcmd, &gcmd);
- err = nvme_submit_admin_passthru(fd, &pcmd);
- if (!err) {
- /*
- * nvme_submit_admin_passthru() stores the lower 32 bits
- * of the property value in pcmd.result using CPU endianness.
- */
- *value = pcmd.result;
- }
+ err = nvme_submit_admin_passthru(fd, &cmd);
+ if (!err && value)
+ *value = cmd.result;
return err;
}
int nvme_set_property(int fd, int offset, uint64_t value)
{
- struct nvmf_property_set_command ps = {
- .opcode = nvme_fabrics_command,
- .fctype = nvme_fabrics_type_property_set,
- .offset = cpu_to_le32(offset),
- .value = cpu_to_le64(value),
- .attrib = is_64bit_reg(offset),
+ struct nvme_passthru_cmd cmd = {
+ .opcode = nvme_fabrics_command,
+ .nsid = nvme_fabrics_type_property_set,
+ .cdw10 = is_64bit_reg(offset),
+ .cdw11 = offset,
+ .cdw12 = value & 0xffffffff,
+ .cdw13 = value >> 32,
};
- struct nvme_command scmd;
- struct nvme_passthru_cmd pcmd;
- scmd.prop_set = ps;
- nvme_to_passthru_cmd(&pcmd, &scmd);
- return nvme_submit_admin_passthru(fd, &pcmd);
+ return nvme_submit_admin_passthru(fd, &cmd);
}
int nvme_get_feature(int fd, __u32 nsid, __u8 fid, __u8 sel, __u32 cdw11,
.dps = dps,
.nmic = nmic,
};
+
struct nvme_admin_cmd cmd = {
.opcode = nvme_admin_ns_mgmt,
.addr = (__u64)(uintptr_t) ((void *)&ns),
projects / users / hch / nvme-cli.git / commitdiff