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 #include <err.h> 31 #include <stdlib.h> 32 33 #include "config.h" 34 #include "pci_emul.h" 35 36 static int 37 pci_hostbridge_init(struct pci_devinst *pi, nvlist_t *nvl) 38 { 39 const char *value; 40 u_int vendor, device; 41 42 vendor = 0x1275; /* NetApp */ 43 device = 0x1275; /* NetApp */ 44 45 value = get_config_value_node(nvl, "vendor"); 46 if (value != NULL) 47 vendor = strtol(value, NULL, 0); 48 else 49 vendor = pci_config_read_reg(NULL, nvl, PCIR_VENDOR, 2, vendor); 50 value = get_config_value_node(nvl, "devid"); 51 if (value != NULL) 52 device = strtol(value, NULL, 0); 53 else 54 device = pci_config_read_reg(NULL, nvl, PCIR_DEVICE, 2, device); 55 56 /* config space */ 57 pci_set_cfgdata16(pi, PCIR_VENDOR, vendor); 58 pci_set_cfgdata16(pi, PCIR_DEVICE, device); 59 pci_set_cfgdata8(pi, PCIR_HDRTYPE, PCIM_HDRTYPE_NORMAL); 60 pci_set_cfgdata8(pi, PCIR_CLASS, PCIC_BRIDGE); 61 pci_set_cfgdata8(pi, PCIR_SUBCLASS, PCIS_BRIDGE_HOST); 62 63 pci_emul_add_pciecap(pi, PCIEM_TYPE_ROOT_PORT); 64 65 return (0); 66 } 67 68 static int 69 pci_amd_hostbridge_legacy_config(nvlist_t *nvl, const char *opts __unused) 70 { 71 nvlist_t *pci_regs; 72 73 pci_regs = create_relative_config_node(nvl, "pcireg"); 74 if (pci_regs == NULL) { 75 warnx("amd_hostbridge: failed to create pciregs node"); 76 return (-1); 77 } 78 79 set_config_value_node(pci_regs, "vendor", "0x1022"); /* AMD */ 80 set_config_value_node(pci_regs, "device", "0x7432"); /* made up */ 81 82 return (0); 83 } 84 85 #ifdef BHYVE_SNAPSHOT 86 static int 87 pci_de_snapshot(struct vm_snapshot_meta *meta __unused) 88 { 89 return (0); 90 } 91 #endif 92 93 static const struct pci_devemu pci_de_amd_hostbridge = { 94 .pe_emu = "amd_hostbridge", 95 .pe_legacy_config = pci_amd_hostbridge_legacy_config, 96 .pe_alias = "hostbridge", 97 }; 98 PCI_EMUL_SET(pci_de_amd_hostbridge); 99 100 static const struct pci_devemu pci_de_hostbridge = { 101 .pe_emu = "hostbridge", 102 .pe_init = pci_hostbridge_init, 103 #ifdef BHYVE_SNAPSHOT 104 .pe_snapshot = pci_de_snapshot, 105 #endif 106 }; 107 PCI_EMUL_SET(pci_de_hostbridge); 108