1 /*- 2 * Copyright (c) 2024, Netflix Inc. 3 * Written by Warner Losh 4 * 5 * SPDX-License-Identifier: BSD-2-Clause 6 */ 7 8 /* 9 * Linux compatible NVME ioctls. So far we just support ID, ADMIN_CMD and 10 * IO_CMD. The rest are not supported. 11 */ 12 13 14 #include <sys/ioccom.h> 15 #include <sys/_types.h> 16 17 struct nvme_passthru_cmd { 18 __uint8_t opcode; 19 __uint8_t flags; 20 __uint16_t rsvd1; 21 __uint32_t nsid; 22 __uint32_t cdw2; 23 __uint32_t cdw3; 24 __uint64_t metadata; 25 __uint64_t addr; 26 __uint32_t metadata_len; 27 __uint32_t data_len; 28 __uint32_t cdw10; 29 __uint32_t cdw11; 30 __uint32_t cdw12; 31 __uint32_t cdw13; 32 __uint32_t cdw14; 33 __uint32_t cdw15; 34 __uint32_t timeout_ms; 35 __uint32_t result; 36 }; 37 38 #define nvme_admin_cmd nvme_passthru_cmd 39 40 /* 41 * Linux nvme ioctls, commented out ones are not supported 42 */ 43 #define NVME_IOCTL_ID _IO('N', 0x40) 44 #define NVME_IOCTL_ADMIN_CMD _IOWR('N', 0x41, struct nvme_admin_cmd) 45 /* #define NVME_IOCTL_SUBMIT_IO _IOW('N', 0x42, struct nvme_user_io) */ 46 #define NVME_IOCTL_IO_CMD _IOWR('N', 0x43, struct nvme_passthru_cmd) 47 #define NVME_IOCTL_RESET _IO('N', 0x44) 48 /* #define NVME_IOCTL_SUBSYS_RESET _IO('N', 0x45) */ 49 /* #define NVME_IOCTL_RESCAN _IO('N', 0x46) */ 50 /* #define NVME_IOCTL_ADMIN64_CMD _IOWR('N', 0x47, struct nvme_passthru_cmd64) */ 51 /* #define NVME_IOCTL_IO64_CMD _IOWR('N', 0x48, struct nvme_passthru_cmd64) */ 52 /* #define NVME_IOCTL_IO64_CMD_VEC _IOWR('N', 0x49, struct nvme_passthru_cmd64) */ 53 54 /* io_uring async commands: */ 55 /* #define NVME_URING_CMD_IO _IOWR('N', 0x80, struct nvme_uring_cmd) */ 56 /* #define NVME_URING_CMD_IO_VEC _IOWR('N', 0x81, struct nvme_uring_cmd) */ 57 /* #define NVME_URING_CMD_ADMIN _IOWR('N', 0x82, struct nvme_uring_cmd) */ 58 /* #define NVME_URING_CMD_ADMIN_VEC _IOWR('N', 0x83, struct nvme_uring_cmd) */ 59