2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2015 Netflix, Inc
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/libkern.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/sysctl.h>
48 #define min(a,b) (((a)<(b))?(a):(b))
53 #include <cam/cam_ccb.h>
54 #include <cam/cam_queue.h>
55 #include <cam/cam_xpt.h>
56 #include <cam/nvme/nvme_all.h>
58 #include <sys/endian.h>
61 #include <cam/cam_periph.h>
62 #include <cam/cam_xpt_sim.h>
63 #include <cam/cam_xpt_periph.h>
64 #include <cam/cam_xpt_internal.h>
68 nvme_ns_cmd(struct ccb_nvmeio *nvmeio, uint8_t cmd, uint32_t nsid,
69 uint32_t cdw10, uint32_t cdw11, uint32_t cdw12, uint32_t cdw13,
70 uint32_t cdw14, uint32_t cdw15)
72 bzero(&nvmeio->cmd, sizeof(struct nvme_command));
73 nvmeio->cmd.opc_fuse = NVME_CMD_SET_OPC(cmd);
74 nvmeio->cmd.nsid = htole32(nsid);
75 nvmeio->cmd.cdw10 = htole32(cdw10);
76 nvmeio->cmd.cdw11 = htole32(cdw11);
77 nvmeio->cmd.cdw12 = htole32(cdw12);
78 nvmeio->cmd.cdw13 = htole32(cdw13);
79 nvmeio->cmd.cdw14 = htole32(cdw14);
80 nvmeio->cmd.cdw15 = htole32(cdw15);
84 nvme_identify_match(caddr_t identbuffer, caddr_t table_entry)
91 nvme_print_ident(const struct nvme_controller_data *cdata,
92 const struct nvme_namespace_data *data, struct sbuf *sb)
96 cam_strvis_sbuf(sb, cdata->mn, sizeof(cdata->mn), 0);
98 cam_strvis_sbuf(sb, cdata->fr, sizeof(cdata->fr), 0);
100 cam_strvis_sbuf(sb, cdata->sn, sizeof(cdata->sn), 0);
101 sbuf_printf(sb, ">\n");
104 /* XXX need to do nvme admin opcodes too, but those aren't used yet by nda */
111 "WRITE_UNCORRECTABLE",
119 nvme_op_string(const struct nvme_command *cmd)
123 opc = (cmd->opc_fuse >> NVME_CMD_OPC_SHIFT) & NVME_CMD_OPC_MASK;
124 if (opc > nitems(nvme_opc2str))
127 return nvme_opc2str[opc];
131 nvme_cmd_string(const struct nvme_command *cmd, char *cmd_string, size_t len)
135 opc = (cmd->opc_fuse >> NVME_CMD_OPC_SHIFT) & NVME_CMD_OPC_MASK;
136 fuse = (cmd->opc_fuse >> NVME_CMD_FUSE_SHIFT) & NVME_CMD_FUSE_MASK;
138 * cid, rsvd areas and mptr not printed, since they are used
139 * only internally by the SIM.
141 snprintf(cmd_string, len,
142 "opc=%x fuse=%x nsid=%x prp1=%llx prp2=%llx cdw=%x %x %x %x %x %x",
143 opc, fuse, cmd->nsid,
144 (unsigned long long)cmd->prp1, (unsigned long long)cmd->prp2,
145 cmd->cdw10, cmd->cdw11, cmd->cdw12,
146 cmd->cdw13, cmd->cdw14, cmd->cdw15);
152 nvme_get_identify_cntrl(struct cam_periph *periph)
154 struct cam_ed *device;
156 device = periph->path->device;
158 return device->nvme_cdata;
162 nvme_get_identify_ns(struct cam_periph *periph)
164 struct cam_ed *device;
166 device = periph->path->device;
168 return device->nvme_data;