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 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 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