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 2020 Oxide Computer Company 14 */ 15 16 /* 17 * A stub driver for the AMD Zen Nexus. This is used to help us get all the 18 * relevant PCI devices into one place. See uts/intel/io/amdzen/amdzen.c for 19 * more details. 20 */ 21 22 #include <sys/conf.h> 23 #include <sys/devops.h> 24 #include <sys/modctl.h> 25 #include <sys/ddi.h> 26 #include <sys/sunddi.h> 27 28 #include "amdzen.h" 29 30 static int 31 amdzen_stub_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 32 { 33 return (amdzen_attach_stub(dip, cmd)); 34 } 35 36 static int 37 amdzen_stub_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 38 { 39 return (amdzen_detach_stub(dip, cmd)); 40 } 41 42 static struct dev_ops amdzen_stub_dev_ops = { 43 .devo_rev = DEVO_REV, 44 .devo_refcnt = 0, 45 .devo_getinfo = nodev, 46 .devo_identify = nodev, 47 .devo_probe = nulldev, 48 .devo_attach = amdzen_stub_attach, 49 .devo_detach = amdzen_stub_detach, 50 .devo_reset = nodev, 51 .devo_quiesce = ddi_quiesce_not_needed 52 }; 53 54 static struct modldrv amdzen_stub_modldrv = { 55 .drv_modops = &mod_driverops, 56 .drv_linkinfo = "AMD Zen Nexus Stub driver", 57 .drv_dev_ops = &amdzen_stub_dev_ops 58 }; 59 60 static struct modlinkage amdzen_stub_modlinkage = { 61 .ml_rev = MODREV_1, 62 .ml_linkage = { &amdzen_stub_modldrv, NULL } 63 }; 64 65 int 66 _init(void) 67 { 68 return (mod_install(&amdzen_stub_modlinkage)); 69 } 70 71 int 72 _info(struct modinfo *modinfop) 73 { 74 return (mod_info(&amdzen_stub_modlinkage, modinfop)); 75 } 76 77 int 78 _fini(void) 79 { 80 return (mod_remove(&amdzen_stub_modlinkage)); 81 } 82