1 /*
2 * This file and its contents are supplied under the terms of the
3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 * You may only use this file in accordance with the terms of version
5 * 1.0 of the CDDL.
6 *
7 * A full copy of the text of the CDDL should have accompanied this
8 * source. A copy of the CDDL is also available via the Internet at
9 * http://www.illumos.org/license/CDDL.
10 */
11
12 /*
13 * Copyright 2024 Oxide Computer Company
14 */
15
16 /*
17 * Implements logic to map a device to a vendor-specific entity.
18 */
19
20 #include <libdevinfo.h>
21 #include <sys/sysmacros.h>
22 #include <string.h>
23
24 #include "libnvme_impl.h"
25
26 const nvme_vsd_t *const nvme_vsd_devices[] = {
27 &wdc_sn840,
28 &wdc_sn65x,
29 µn_7300,
30 µn_74x0,
31 µn_x500,
32 &intel_p5510,
33 &solidigm_p5x20,
34 &solidigm_ps10x0,
35 &kioxia_cd8
36 };
37
38 /*
39 * Our job is to attempt to map a given device to vendor specific information,
40 * if it exists. It may not.
41 */
42 void
nvme_vendor_map_ctrl(nvme_ctrl_t * ctrl)43 nvme_vendor_map_ctrl(nvme_ctrl_t *ctrl)
44 {
45 int *vid, *did, *svidp, *sdidp;
46 uint16_t svid = UINT16_MAX, sdid = UINT16_MAX;
47
48 if (di_prop_lookup_ints(DDI_DEV_T_ANY, ctrl->nc_devi, "vendor-id",
49 &vid) != 1 || di_prop_lookup_ints(DDI_DEV_T_ANY, ctrl->nc_devi,
50 "device-id", &did) != 1) {
51 return;
52 }
53
54 if (di_prop_lookup_ints(DDI_DEV_T_ANY, ctrl->nc_devi,
55 "subsystem-vendor-id", &svidp) == 1) {
56 svid = (uint16_t)*svidp;
57 }
58
59 if (di_prop_lookup_ints(DDI_DEV_T_ANY, ctrl->nc_devi, "subsystem-id",
60 &sdidp) == 1) {
61 sdid = (uint16_t)*sdidp;
62 }
63
64 for (size_t dev = 0; dev < ARRAY_SIZE(nvme_vsd_devices); dev++) {
65 const nvme_vsd_t *vsd = nvme_vsd_devices[dev];
66
67 for (size_t i = 0; i < vsd->nvd_nident; i++) {
68 const nvme_vsd_ident_t *ident = &vsd->nvd_ident[i];
69 if (ident->nvdi_vid != (uint16_t)vid[0] ||
70 ident->nvdi_did != (uint16_t)did[0]) {
71 continue;
72 }
73
74 if (ident->nvdi_subsys && (ident->nvdi_svid != svid ||
75 ident->nvdi_sdid != sdid)) {
76 continue;
77 }
78
79 ctrl->nc_vsd = nvme_vsd_devices[dev];
80 return;
81 }
82 }
83 }
84
85 bool
nvme_vendor_vuc_supported(nvme_ctrl_t * ctrl,const char * name)86 nvme_vendor_vuc_supported(nvme_ctrl_t *ctrl, const char *name)
87 {
88 if (ctrl->nc_vsd != NULL) {
89 for (size_t i = 0; i < ctrl->nc_vsd->nvd_nvuc; i++) {
90 if (strcmp(name, ctrl->nc_vsd->nvd_vuc[i].nvd_short) ==
91 0) {
92 return (true);
93 }
94 }
95 }
96
97 return (nvme_ctrl_error(ctrl, NVME_ERR_VU_FUNC_UNSUP_BY_DEV, 0,
98 "device missing support for vendor unique command %s", name));
99 }
100