|
| 1 | +#include <config.h> |
| 2 | + |
| 3 | +#include "acrn_device.h" |
| 4 | +#include "domain_addr.h" |
| 5 | +#include "virlog.h" |
| 6 | + |
| 7 | +#define VIR_FROM_THIS VIR_FROM_ACRN |
| 8 | + |
| 9 | +VIR_LOG_INIT("acrn.acrn_device"); |
| 10 | + |
| 11 | +static int |
| 12 | +acrnCollectPCIAddress(virDomainDefPtr def G_GNUC_UNUSED, |
| 13 | + virDomainDeviceDefPtr dev G_GNUC_UNUSED, |
| 14 | + virDomainDeviceInfoPtr info, |
| 15 | + void *opaque) |
| 16 | +{ |
| 17 | + virDomainPCIAddressSetPtr addrs; |
| 18 | + virPCIDeviceAddressPtr addr; |
| 19 | + |
| 20 | + if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) |
| 21 | + return 0; |
| 22 | + |
| 23 | + addrs = opaque; |
| 24 | + addr = &info->addr.pci; |
| 25 | + |
| 26 | + if (!virPCIDeviceAddressIsEmpty(addr) && |
| 27 | + virDomainPCIAddressReserveAddr( |
| 28 | + addrs, addr, |
| 29 | + VIR_PCI_CONNECT_TYPE_PCI_DEVICE, 0) < 0) { |
| 30 | + virBuffer buf = VIR_BUFFER_INITIALIZER; |
| 31 | + |
| 32 | + virPCIDeviceAddressFormat(&buf, *addr, false); |
| 33 | + virReportError(VIR_ERR_INTERNAL_ERROR, |
| 34 | + _("failed to reserve PCI addr: %s"), |
| 35 | + virBufferCurrentContent(&buf)); |
| 36 | + virBufferFreeAndReset(&buf); |
| 37 | + return -1; |
| 38 | + } |
| 39 | + |
| 40 | + return 0; |
| 41 | +} |
| 42 | + |
| 43 | +static virDomainPCIAddressSetPtr |
| 44 | +acrnDomainPCIAddressSetCreate(virDomainDefPtr def, unsigned int nbuses) |
| 45 | +{ |
| 46 | + virDomainPCIAddressSetPtr addrs; |
| 47 | + virPCIDeviceAddress lpc_addr; |
| 48 | + |
| 49 | + if (!(addrs = virDomainPCIAddressSetAlloc( |
| 50 | + nbuses, VIR_PCI_ADDRESS_EXTENSION_NONE))) { |
| 51 | + virReportError(VIR_ERR_NO_MEMORY, NULL); |
| 52 | + return NULL; |
| 53 | + } |
| 54 | + |
| 55 | + if (virDomainPCIAddressBusSetModel( |
| 56 | + &addrs->buses[0], |
| 57 | + VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT) < 0) { |
| 58 | + virReportError(VIR_ERR_INTERNAL_ERROR, |
| 59 | + _("failed to set PCI bus model")); |
| 60 | + goto error; |
| 61 | + } |
| 62 | + |
| 63 | + memset(&lpc_addr, 0, sizeof(lpc_addr)); |
| 64 | + lpc_addr.slot = 0x1; |
| 65 | + |
| 66 | + /* explicitly reserve 0:1:0 for LPC-ISA bridge */ |
| 67 | + if (virDomainPCIAddressReserveAddr( |
| 68 | + addrs, &lpc_addr, |
| 69 | + VIR_PCI_CONNECT_TYPE_PCI_DEVICE, 0) < 0) { |
| 70 | + virBuffer buf = VIR_BUFFER_INITIALIZER; |
| 71 | + |
| 72 | + virPCIDeviceAddressFormat(&buf, lpc_addr, false); |
| 73 | + virReportError(VIR_ERR_INTERNAL_ERROR, |
| 74 | + _("failed to reserve PCI addr for LPC-ISA bridge: %s"), |
| 75 | + virBufferCurrentContent(&buf)); |
| 76 | + virBufferFreeAndReset(&buf); |
| 77 | + goto error; |
| 78 | + } |
| 79 | + |
| 80 | + if (virDomainDeviceInfoIterate(def, acrnCollectPCIAddress, addrs) < 0) |
| 81 | + goto error; |
| 82 | + |
| 83 | + return addrs; |
| 84 | + |
| 85 | +error: |
| 86 | + virDomainPCIAddressSetFree(addrs); |
| 87 | + return NULL; |
| 88 | +} |
| 89 | + |
| 90 | +static int |
| 91 | +acrnAssignPCIAddress(virDomainDefPtr def G_GNUC_UNUSED, |
| 92 | + virDomainDeviceDefPtr dev, |
| 93 | + virDomainDeviceInfoPtr info, |
| 94 | + void *opaque) |
| 95 | +{ |
| 96 | + virDomainPCIAddressSetPtr addrs = opaque; |
| 97 | + |
| 98 | + switch (dev->type) { |
| 99 | + case VIR_DOMAIN_DEVICE_DISK: |
| 100 | + case VIR_DOMAIN_DEVICE_NET: |
| 101 | + case VIR_DOMAIN_DEVICE_HOSTDEV: |
| 102 | + if (virDeviceInfoPCIAddressIsWanted(info) && |
| 103 | + virDomainPCIAddressReserveNextAddr(addrs, info, |
| 104 | + VIR_PCI_CONNECT_TYPE_PCI_DEVICE, |
| 105 | + -1) < 0) |
| 106 | + goto fail; |
| 107 | + break; |
| 108 | + case VIR_DOMAIN_DEVICE_CONTROLLER: { |
| 109 | + virDomainControllerDefPtr ctrl = dev->data.controller; |
| 110 | + |
| 111 | + /* PCI hostbridge is always 0:0:0 */ |
| 112 | + if (ctrl->type != VIR_DOMAIN_CONTROLLER_TYPE_PCI && |
| 113 | + virDeviceInfoPCIAddressIsWanted(info) && |
| 114 | + virDomainPCIAddressReserveNextAddr(addrs, info, |
| 115 | + VIR_PCI_CONNECT_TYPE_PCI_DEVICE, |
| 116 | + -1) < 0) |
| 117 | + goto fail; |
| 118 | + break; |
| 119 | + } |
| 120 | + case VIR_DOMAIN_DEVICE_CHR: { |
| 121 | + virDomainChrDefPtr chr = dev->data.chr; |
| 122 | + |
| 123 | + if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE && |
| 124 | + chr->targetType == VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO && |
| 125 | + virDeviceInfoPCIAddressIsWanted(info) && |
| 126 | + virDomainPCIAddressReserveNextAddr(addrs, info, |
| 127 | + VIR_PCI_CONNECT_TYPE_PCI_DEVICE, |
| 128 | + -1) < 0) |
| 129 | + goto fail; |
| 130 | + break; |
| 131 | + } |
| 132 | + case VIR_DOMAIN_DEVICE_INPUT: |
| 133 | + case VIR_DOMAIN_DEVICE_WATCHDOG: |
| 134 | + case VIR_DOMAIN_DEVICE_GRAPHICS: |
| 135 | + case VIR_DOMAIN_DEVICE_RNG: |
| 136 | + default: |
| 137 | + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, |
| 138 | + _("device type %s"), |
| 139 | + virDomainDeviceTypeToString(dev->type)); |
| 140 | + return -1; |
| 141 | + } |
| 142 | + |
| 143 | + return 0; |
| 144 | + |
| 145 | +fail: |
| 146 | + virReportError(VIR_ERR_INTERNAL_ERROR, |
| 147 | + _("PCI addr assignment failed for device type %s"), |
| 148 | + virDomainDeviceTypeToString(dev->type)); |
| 149 | + return -1; |
| 150 | +} |
| 151 | + |
| 152 | +static int |
| 153 | +acrnDomainAssignPCIAddresses(virDomainDefPtr def) |
| 154 | +{ |
| 155 | + virDomainPCIAddressSetPtr addrs; |
| 156 | + int ret = -1; |
| 157 | + |
| 158 | + if (!(addrs = acrnDomainPCIAddressSetCreate(def, 1))) |
| 159 | + goto cleanup; |
| 160 | + |
| 161 | + if (virDomainDeviceInfoIterate(def, acrnAssignPCIAddress, addrs) < 0) |
| 162 | + goto cleanup; |
| 163 | + |
| 164 | + ret = 0; |
| 165 | + |
| 166 | +cleanup: |
| 167 | + virDomainPCIAddressSetFree(addrs); |
| 168 | + return ret; |
| 169 | +} |
| 170 | + |
| 171 | +int |
| 172 | +acrnDomainAssignAddresses(virDomainDefPtr def) |
| 173 | +{ |
| 174 | + return acrnDomainAssignPCIAddresses(def); |
| 175 | +} |
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