1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 NetApp, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <err.h> 33 #include <stdlib.h> 34 35 #include "config.h" 36 #include "pci_emul.h" 37 38 static int 39 pci_hostbridge_init(struct pci_devinst *pi, nvlist_t *nvl) 40 { 41 const char *value; 42 u_int vendor, device; 43 44 vendor = 0x1275; /* NetApp */ 45 device = 0x1275; /* NetApp */ 46 47 value = get_config_value_node(nvl, "vendor"); 48 if (value != NULL) 49 vendor = strtol(value, NULL, 0); 50 else 51 vendor = pci_config_read_reg(NULL, nvl, PCIR_VENDOR, 2, vendor); 52 value = get_config_value_node(nvl, "devid"); 53 if (value != NULL) 54 device = strtol(value, NULL, 0); 55 else 56 device = pci_config_read_reg(NULL, nvl, PCIR_DEVICE, 2, device); 57 58 /* config space */ 59 pci_set_cfgdata16(pi, PCIR_VENDOR, vendor); 60 pci_set_cfgdata16(pi, PCIR_DEVICE, device); 61 pci_set_cfgdata8(pi, PCIR_HDRTYPE, PCIM_HDRTYPE_NORMAL); 62 pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_BRIDGE); 63 pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_BRIDGE_HOST); 64 65 pci_emul_add_pciecap(pi, PCIEM_TYPE_ROOT_PORT); 66 67 return (0); 68 } 69 70 static int 71 pci_amd_hostbridge_legacy_config(nvlist_t *nvl, const char *opts __unused) 72 { 73 nvlist_t *pci_regs; 74 75 pci_regs = create_relative_config_node(nvl, "pcireg"); 76 if (pci_regs == NULL) { 77 warnx("amd_hostbridge: failed to create pciregs node"); 78 return (-1); 79 } 80 81 set_config_value_node(pci_regs, "vendor", "0x1022"); /* AMD */ 82 set_config_value_node(pci_regs, "device", "0x7432"); /* made up */ 83 84 return (0); 85 } 86 87 #ifdef BHYVE_SNAPSHOT 88 static int 89 pci_de_snapshot(struct vm_snapshot_meta *meta __unused) 90 { 91 return (0); 92 } 93 #endif 94 95 static const struct pci_devemu pci_de_amd_hostbridge = { 96 .pe_emu = "amd_hostbridge", 97 .pe_legacy_config = pci_amd_hostbridge_legacy_config, 98 .pe_alias = "hostbridge", 99 }; 100 PCI_EMUL_SET(pci_de_amd_hostbridge); 101 102 static const struct pci_devemu pci_de_hostbridge = { 103 .pe_emu = "hostbridge", 104 .pe_init = pci_hostbridge_init, 105 #ifdef BHYVE_SNAPSHOT 106 .pe_snapshot = pci_de_snapshot, 107 #endif 108 }; 109 PCI_EMUL_SET(pci_de_hostbridge); 110