freebsd-dev/sys/cam/nvme/nvme_all.c

125 lines
3.4 KiB
C
Raw Normal View History

2016-06-09 22:39:02 +00:00
/*-
* Copyright (c) 2015 Netflix, Inc
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#ifdef _KERNEL
#include "opt_scsi.h"
#include <sys/systm.h>
#include <sys/libkern.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#else
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef min
#define min(a,b) (((a)<(b))?(a):(b))
#endif
#endif
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_queue.h>
#include <cam/cam_xpt.h>
#include <cam/nvme/nvme_all.h>
#include <sys/sbuf.h>
#include <sys/endian.h>
void
nvme_ns_cmd(struct ccb_nvmeio *nvmeio, uint8_t cmd, uint32_t nsid,
uint32_t cdw10, uint32_t cdw11, uint32_t cdw12, uint32_t cdw13,
uint32_t cdw14, uint32_t cdw15)
{
bzero(&nvmeio->cmd, sizeof(struct nvme_command));
nvmeio->cmd.opc = cmd;
nvmeio->cmd.nsid = nsid;
nvmeio->cmd.cdw10 = cdw10;
nvmeio->cmd.cdw11 = cdw11;
nvmeio->cmd.cdw12 = cdw12;
nvmeio->cmd.cdw13 = cdw13;
nvmeio->cmd.cdw14 = cdw14;
nvmeio->cmd.cdw15 = cdw15;
}
int
nvme_identify_match(caddr_t identbuffer, caddr_t table_entry)
{
return 0;
}
void
nvme_print_ident(const struct nvme_controller_data *cdata,
const struct nvme_namespace_data *data)
{
printf("I'm a pretty NVME drive\n");
}
/* XXX need to do nvme admin opcodes too, but those aren't used yet by nda */
static const char *
nvme_opc2str[] = {
"FLUSH",
"WRITE",
"READ",
"RSVD-3",
"WRITE_UNCORRECTABLE",
"COMPARE",
"RSVD-6",
"RSVD-7",
"DATASET_MANAGEMENT"
};
const char *
nvme_op_string(const struct nvme_command *cmd)
{
if (cmd->opc > nitems(nvme_opc2str))
return "UNKNOWN";
return nvme_opc2str[cmd->opc];
}
const char *
nvme_cmd_string(const struct nvme_command *cmd, char *cmd_string, size_t len)
{
/*
* cid, rsvd areas and mptr not printed, since they are used
* only internally by the SIM.
*/
snprintf(cmd_string, len,
"opc=%x fuse=%x nsid=%x prp1=%llx prp2=%llx cdw=%x %x %x %x %x %x",
cmd->opc, cmd->fuse, cmd->nsid,
(unsigned long long)cmd->prp1, (unsigned long long)cmd->prp2,
cmd->cdw10, cmd->cdw11, cmd->cdw12, cmd->cdw13, cmd->cdw14, cmd->cdw15);
return cmd_string;
}