1e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 29d99a8ddSChristoph Hellwig /* 39d99a8ddSChristoph Hellwig * Definitions for the NVM Express ioctl interface 49d99a8ddSChristoph Hellwig * Copyright (c) 2011-2014, Intel Corporation. 59d99a8ddSChristoph Hellwig */ 69d99a8ddSChristoph Hellwig 79d99a8ddSChristoph Hellwig #ifndef _UAPI_LINUX_NVME_IOCTL_H 89d99a8ddSChristoph Hellwig #define _UAPI_LINUX_NVME_IOCTL_H 99d99a8ddSChristoph Hellwig 109d99a8ddSChristoph Hellwig #include <linux/types.h> 119d99a8ddSChristoph Hellwig 129d99a8ddSChristoph Hellwig struct nvme_user_io { 139d99a8ddSChristoph Hellwig __u8 opcode; 149d99a8ddSChristoph Hellwig __u8 flags; 159d99a8ddSChristoph Hellwig __u16 control; 169d99a8ddSChristoph Hellwig __u16 nblocks; 179d99a8ddSChristoph Hellwig __u16 rsvd; 189d99a8ddSChristoph Hellwig __u64 metadata; 199d99a8ddSChristoph Hellwig __u64 addr; 209d99a8ddSChristoph Hellwig __u64 slba; 219d99a8ddSChristoph Hellwig __u32 dsmgmt; 229d99a8ddSChristoph Hellwig __u32 reftag; 239d99a8ddSChristoph Hellwig __u16 apptag; 249d99a8ddSChristoph Hellwig __u16 appmask; 259d99a8ddSChristoph Hellwig }; 269d99a8ddSChristoph Hellwig 279d99a8ddSChristoph Hellwig struct nvme_passthru_cmd { 289d99a8ddSChristoph Hellwig __u8 opcode; 299d99a8ddSChristoph Hellwig __u8 flags; 309d99a8ddSChristoph Hellwig __u16 rsvd1; 319d99a8ddSChristoph Hellwig __u32 nsid; 329d99a8ddSChristoph Hellwig __u32 cdw2; 339d99a8ddSChristoph Hellwig __u32 cdw3; 349d99a8ddSChristoph Hellwig __u64 metadata; 359d99a8ddSChristoph Hellwig __u64 addr; 369d99a8ddSChristoph Hellwig __u32 metadata_len; 379d99a8ddSChristoph Hellwig __u32 data_len; 389d99a8ddSChristoph Hellwig __u32 cdw10; 399d99a8ddSChristoph Hellwig __u32 cdw11; 409d99a8ddSChristoph Hellwig __u32 cdw12; 419d99a8ddSChristoph Hellwig __u32 cdw13; 429d99a8ddSChristoph Hellwig __u32 cdw14; 439d99a8ddSChristoph Hellwig __u32 cdw15; 449d99a8ddSChristoph Hellwig __u32 timeout_ms; 459d99a8ddSChristoph Hellwig __u32 result; 469d99a8ddSChristoph Hellwig }; 479d99a8ddSChristoph Hellwig 4865e68edcSMarta Rybczynska struct nvme_passthru_cmd64 { 4965e68edcSMarta Rybczynska __u8 opcode; 5065e68edcSMarta Rybczynska __u8 flags; 5165e68edcSMarta Rybczynska __u16 rsvd1; 5265e68edcSMarta Rybczynska __u32 nsid; 5365e68edcSMarta Rybczynska __u32 cdw2; 5465e68edcSMarta Rybczynska __u32 cdw3; 5565e68edcSMarta Rybczynska __u64 metadata; 5665e68edcSMarta Rybczynska __u64 addr; 5765e68edcSMarta Rybczynska __u32 metadata_len; 5889377bc1SKanchan Joshi union { 5989377bc1SKanchan Joshi __u32 data_len; /* for non-vectored io */ 6089377bc1SKanchan Joshi __u32 vec_cnt; /* for vectored io */ 6189377bc1SKanchan Joshi }; 6265e68edcSMarta Rybczynska __u32 cdw10; 6365e68edcSMarta Rybczynska __u32 cdw11; 6465e68edcSMarta Rybczynska __u32 cdw12; 6565e68edcSMarta Rybczynska __u32 cdw13; 6665e68edcSMarta Rybczynska __u32 cdw14; 6765e68edcSMarta Rybczynska __u32 cdw15; 6865e68edcSMarta Rybczynska __u32 timeout_ms; 690d6eeb1fSCharles Machalow __u32 rsvd2; 7065e68edcSMarta Rybczynska __u64 result; 7165e68edcSMarta Rybczynska }; 7265e68edcSMarta Rybczynska 73456cba38SKanchan Joshi /* same as struct nvme_passthru_cmd64, minus the 8b result field */ 74456cba38SKanchan Joshi struct nvme_uring_cmd { 75456cba38SKanchan Joshi __u8 opcode; 76456cba38SKanchan Joshi __u8 flags; 77456cba38SKanchan Joshi __u16 rsvd1; 78456cba38SKanchan Joshi __u32 nsid; 79456cba38SKanchan Joshi __u32 cdw2; 80456cba38SKanchan Joshi __u32 cdw3; 81456cba38SKanchan Joshi __u64 metadata; 82456cba38SKanchan Joshi __u64 addr; 83456cba38SKanchan Joshi __u32 metadata_len; 84456cba38SKanchan Joshi __u32 data_len; 85456cba38SKanchan Joshi __u32 cdw10; 86456cba38SKanchan Joshi __u32 cdw11; 87456cba38SKanchan Joshi __u32 cdw12; 88456cba38SKanchan Joshi __u32 cdw13; 89456cba38SKanchan Joshi __u32 cdw14; 90456cba38SKanchan Joshi __u32 cdw15; 91456cba38SKanchan Joshi __u32 timeout_ms; 92456cba38SKanchan Joshi __u32 rsvd2; 93456cba38SKanchan Joshi }; 94456cba38SKanchan Joshi 959d99a8ddSChristoph Hellwig #define nvme_admin_cmd nvme_passthru_cmd 969d99a8ddSChristoph Hellwig 979d99a8ddSChristoph Hellwig #define NVME_IOCTL_ID _IO('N', 0x40) 989d99a8ddSChristoph Hellwig #define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd) 999d99a8ddSChristoph Hellwig #define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io) 1009d99a8ddSChristoph Hellwig #define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd) 1019d99a8ddSChristoph Hellwig #define NVME_IOCTL_RESET _IO('N', 0x44) 1029d99a8ddSChristoph Hellwig #define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45) 1039ec3bb2fSKeith Busch #define NVME_IOCTL_RESCAN _IO('N', 0x46) 10465e68edcSMarta Rybczynska #define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64) 10565e68edcSMarta Rybczynska #define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64) 10689377bc1SKanchan Joshi #define NVME_IOCTL_IO64_CMD_VEC _IOWR('N', 0x49, struct nvme_passthru_cmd64) 1079d99a8ddSChristoph Hellwig 108456cba38SKanchan Joshi /* io_uring async commands: */ 109456cba38SKanchan Joshi #define NVME_URING_CMD_IO _IOWR('N', 0x80, struct nvme_uring_cmd) 110f569add4SAnuj Gupta #define NVME_URING_CMD_IO_VEC _IOWR('N', 0x81, struct nvme_uring_cmd) 111*58e5bdebSKanchan Joshi #define NVME_URING_CMD_ADMIN _IOWR('N', 0x82, struct nvme_uring_cmd) 112*58e5bdebSKanchan Joshi #define NVME_URING_CMD_ADMIN_VEC _IOWR('N', 0x83, struct nvme_uring_cmd) 113456cba38SKanchan Joshi 1149d99a8ddSChristoph Hellwig #endif /* _UAPI_LINUX_NVME_IOCTL_H */ 115