1 /* $OpenBSD: nvmeio.h,v 1.1 2024/05/24 12:04:07 krw Exp $ */ 2 /* 3 * Copyright (c) 2023 Kenneth R Westerback <krw@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 #define NVME_PASSTHROUGH_CMD _IOWR('n', 0, struct nvme_pt_cmd) 19 20 struct nvme_pt_status { 21 int ps_dv_unit; 22 int ps_nsid; 23 int ps_flags; 24 uint32_t ps_csts; 25 uint32_t ps_cc; 26 }; 27 28 struct nvme_pt_cmd { 29 /* Commands may arrive via /dev/bio. */ 30 struct bio pt_bio; 31 32 /* The sqe fields that the caller may specify. */ 33 uint8_t pt_opcode; 34 uint32_t pt_nsid; 35 uint32_t pt_cdw10; 36 uint32_t pt_cdw11; 37 uint32_t pt_cdw12; 38 uint32_t pt_cdw13; 39 uint32_t pt_cdw14; 40 uint32_t pt_cdw15; 41 42 caddr_t pt_status; 43 uint32_t pt_statuslen; 44 45 caddr_t pt_databuf; /* User space address. */ 46 uint32_t pt_databuflen; /* Length of buffer. */ 47 }; 48