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Downloaded source from https://sourceforge.net/projects/smartmontools/files/smartmontools/7.0/ and imported here to git. Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/*-
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* Copyright (C) 2012-2013 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#define NVME_PASSTHROUGH_CMD _IOWR('n', 0, struct nvme_pt_command)
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#if __FreeBSD_version < 1100110
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struct nvme_command
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{
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/* dword 0 */
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uint16_t opc : 8; /* opcode */
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uint16_t fuse : 2; /* fused operation */
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uint16_t rsvd1 : 6;
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uint16_t cid; /* command identifier */
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/* dword 1 */
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uint32_t nsid; /* namespace identifier */
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/* dword 2-3 */
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uint32_t rsvd2;
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uint32_t rsvd3;
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/* dword 4-5 */
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uint64_t mptr; /* metadata pointer */
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/* dword 6-7 */
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uint64_t prp1; /* prp entry 1 */
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/* dword 8-9 */
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uint64_t prp2; /* prp entry 2 */
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/* dword 10-15 */
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uint32_t cdw10; /* command-specific */
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uint32_t cdw11; /* command-specific */
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uint32_t cdw12; /* command-specific */
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uint32_t cdw13; /* command-specific */
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uint32_t cdw14; /* command-specific */
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uint32_t cdw15; /* command-specific */
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} __packed;
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struct nvme_status {
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uint16_t p : 1; /* phase tag */
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uint16_t sc : 8; /* status code */
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uint16_t sct : 3; /* status code type */
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uint16_t rsvd2 : 2;
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uint16_t m : 1; /* more */
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uint16_t dnr : 1; /* do not retry */
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} __packed;
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struct nvme_completion {
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/* dword 0 */
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uint32_t cdw0; /* command-specific */
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/* dword 1 */
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uint32_t rsvd1;
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/* dword 2 */
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uint16_t sqhd; /* submission queue head pointer */
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uint16_t sqid; /* submission queue identifier */
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/* dword 3 */
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uint16_t cid; /* command identifier */
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struct nvme_status status;
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} __packed;
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struct nvme_pt_command {
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/*
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* cmd is used to specify a passthrough command to a controller or
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* namespace.
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*
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* The following fields from cmd may be specified by the caller:
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* * opc (opcode)
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* * nsid (namespace id) - for admin commands only
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* * cdw10-cdw15
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*
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* Remaining fields must be set to 0 by the caller.
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*/
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struct nvme_command cmd;
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/*
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* cpl returns completion status for the passthrough command
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* specified by cmd.
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*
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* The following fields will be filled out by the driver, for
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* consumption by the caller:
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* * cdw0
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* * status (except for phase)
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*
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* Remaining fields will be set to 0 by the driver.
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*/
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struct nvme_completion cpl;
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/* buf is the data buffer associated with this passthrough command. */
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void * buf;
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/*
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* len is the length of the data buffer associated with this
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* passthrough command.
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*/
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uint32_t len;
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/*
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* is_read = 1 if the passthrough command will read data into the
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* supplied buffer from the controller.
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*
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* is_read = 0 if the passthrough command will write data from the
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* supplied buffer to the controller.
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*/
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uint32_t is_read;
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/*
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* driver_lock is used by the driver only. It must be set to 0
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* by the caller.
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*/
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struct mtx * driver_lock;
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};
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#else
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#include <dev/nvme/nvme.h>
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#endif
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#if __FreeBSD_version < 1200058
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#define nvme_completion_is_error(cpl) \
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((cpl)->status.sc != 0 || (cpl)->status.sct != 0)
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#endif
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#define NVME_CTRLR_PREFIX "/dev/nvme"
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#define NVME_NS_PREFIX "ns"
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