/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2015 Netflix, Inc.
*
* 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.
* 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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>
#include <sys/param.h>
#ifdef _KERNEL
#include "opt_scsi.h"
#include <sys/systm.h>
#include <sys/libkern.h>
#include <sys/kernel.h>
#include <sys/malloc.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>
#ifdef _KERNEL
#include <cam/cam_periph.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_xpt_periph.h>
#include <cam/cam_xpt_internal.h>
#endif
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 = htole32(nsid);
nvmeio->cmd.cdw10 = htole32(cdw10);
nvmeio->cmd.cdw11 = htole32(cdw11);
nvmeio->cmd.cdw12 = htole32(cdw12);
nvmeio->cmd.cdw13 = htole32(cdw13);
nvmeio->cmd.cdw14 = htole32(cdw14);
nvmeio->cmd.cdw15 = htole32(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, struct sbuf *sb)
{
nvme_print_ident_short(cdata, data, sb);
sbuf_printf(sb, "\n");
}
void
nvme_print_ident_short(const struct nvme_controller_data *cdata,
const struct nvme_namespace_data *data, struct sbuf *sb)
{
sbuf_printf(sb, "<");
cam_strvis_sbuf(sb, cdata->mn, sizeof(cdata->mn),
CAM_STRVIS_FLAG_NONASCII_SPC);
sbuf_printf(sb, " ");
cam_strvis_sbuf(sb, cdata->fr, sizeof(cdata->fr),
CAM_STRVIS_FLAG_NONASCII_SPC);
sbuf_printf(sb, " ");
cam_strvis_sbuf(sb, cdata->sn, sizeof(cdata->sn),
CAM_STRVIS_FLAG_NONASCII_SPC);
sbuf_printf(sb, ">");
}
/* 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",
"WRITE_ZEROES",
"DATASET_MANAGEMENT",
"RSVD-a",
"RSVD-b",
"RSVD-c",
"RESERVATION_REGISTER",
"RESERVATION_REPORT",
"RSVD-f",
"RSVD-10",
"RESERVATION_ACQUIRE",
"RSVD-12",
"RSVD-13",
"RSVD-14",
"RESERVATION_RELEASE",
};
const char *
nvme_op_string(const struct nvme_command *cmd, int admin)
{
if (admin) {
return "ADMIN";
} else {
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)
{
struct sbuf sb;
int error;
if (len == 0)
return ("");
sbuf_new(&sb, cmd_string, len, SBUF_FIXEDLEN);
nvme_cmd_sbuf(cmd, &sb);
error = sbuf_finish(&sb);
if (error != 0 &&
#ifdef _KERNEL
error != ENOMEM)
#else
errno != ENOMEM)
#endif
return ("");
return(sbuf_data(&sb));
}
void
nvme_cmd_sbuf(const struct nvme_command *cmd, struct sbuf *sb)
{
/*
* cid, rsvd areas and mptr not printed, since they are used
* only internally by the SIM.
*/
sbuf_printf(sb,
"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);
}
/*
* nvme_command_sbuf() returns 0 for success and -1 for failure.
*/
int
nvme_command_sbuf(struct ccb_nvmeio *nvmeio, struct sbuf *sb)
{
sbuf_printf(sb, "%s. NCB: ", nvme_op_string(&nvmeio->cmd,
nvmeio->ccb_h.func_code == XPT_NVME_ADMIN));
nvme_cmd_sbuf(&nvmeio->cmd, sb);
return(0);
}
#ifdef _KERNEL
const void *
nvme_get_identify_cntrl(struct cam_periph *periph)
{
struct cam_ed *device;
device = periph->path->device;
return device->nvme_cdata;
}
const void *
nvme_get_identify_ns(struct cam_periph *periph)
{
struct cam_ed *device;
device = periph->path->device;
return device->nvme_data;
}
#endif
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