Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2020 Cisco and/or its affiliates. |
| 3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | * you may not use this file except in compliance with the License. |
| 5 | * You may obtain a copy of the License at: |
| 6 | * |
| 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | * |
| 9 | * Unless required by applicable law or agreed to in writing, software |
| 10 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | * See the License for the specific language governing permissions and |
| 13 | * limitations under the License. |
| 14 | */ |
| 15 | |
| 16 | #include <fcntl.h> |
| 17 | #include <sys/ioctl.h> |
| 18 | |
| 19 | #include <vppinfra/types.h> |
| 20 | #include <vlib/vlib.h> |
| 21 | #include <vlib/pci/pci.h> |
| 22 | #include <vnet/ethernet/ethernet.h> |
| 23 | #include <vnet/ip/ip4_packet.h> |
| 24 | #include <vnet/ip/ip6_packet.h> |
| 25 | #include <vnet/devices/virtio/virtio.h> |
| 26 | #include <vnet/devices/virtio/virtio_pci_modern.h> |
| 27 | #include <vnet/devices/virtio/pci.h> |
| 28 | |
| 29 | |
| 30 | static u64 |
| 31 | virtio_pci_modern_get_device_features (vlib_main_t * vm, virtio_if_t * vif) |
| 32 | { |
| 33 | u64 features_lo, features_hi; |
| 34 | virtio_pci_reg_write_u32 (vif, VIRTIO_DEVICE_FEATURE_SELECT_OFFSET (vif), |
| 35 | VIRTIO_FEATURE_SELECT_LO); |
| 36 | features_lo = |
| 37 | virtio_pci_reg_read_u32 (vif, VIRTIO_DEVICE_FEATURE_OFFSET (vif)); |
| 38 | virtio_pci_reg_write_u32 (vif, VIRTIO_DEVICE_FEATURE_SELECT_OFFSET (vif), |
| 39 | VIRTIO_FEATURE_SELECT_HI); |
| 40 | features_hi = |
| 41 | virtio_pci_reg_read_u32 (vif, VIRTIO_DEVICE_FEATURE_OFFSET (vif)); |
| 42 | u64 features = ((features_hi << 32) | features_lo); |
| 43 | return features; |
| 44 | } |
| 45 | |
| 46 | static u64 |
| 47 | virtio_pci_modern_get_driver_features (vlib_main_t * vm, virtio_if_t * vif) |
| 48 | { |
| 49 | u64 features_lo, features_hi; |
| 50 | virtio_pci_reg_write_u32 (vif, VIRTIO_DRIVER_FEATURE_SELECT_OFFSET (vif), |
| 51 | VIRTIO_FEATURE_SELECT_LO); |
| 52 | features_lo = |
| 53 | virtio_pci_reg_read_u32 (vif, VIRTIO_DRIVER_FEATURE_OFFSET (vif)); |
| 54 | virtio_pci_reg_write_u32 (vif, VIRTIO_DRIVER_FEATURE_SELECT_OFFSET (vif), |
| 55 | VIRTIO_FEATURE_SELECT_HI); |
| 56 | features_hi = |
| 57 | virtio_pci_reg_read_u32 (vif, VIRTIO_DRIVER_FEATURE_OFFSET (vif)); |
| 58 | |
| 59 | vif->features = ((features_hi << 32) | features_lo); |
| 60 | return vif->features; |
| 61 | } |
| 62 | |
| 63 | static void |
| 64 | virtio_pci_modern_set_driver_features (vlib_main_t * vm, virtio_if_t * vif, |
| 65 | u64 features) |
| 66 | { |
| 67 | u32 features_lo = (u32) features, features_hi = (u32) (features >> 32); |
| 68 | virtio_pci_reg_write_u32 (vif, VIRTIO_DRIVER_FEATURE_SELECT_OFFSET (vif), |
| 69 | VIRTIO_FEATURE_SELECT_LO); |
| 70 | virtio_pci_reg_write_u32 (vif, VIRTIO_DRIVER_FEATURE_OFFSET (vif), |
| 71 | features_lo); |
| 72 | virtio_pci_reg_write_u32 (vif, VIRTIO_DRIVER_FEATURE_SELECT_OFFSET (vif), |
| 73 | VIRTIO_FEATURE_SELECT_HI); |
| 74 | virtio_pci_reg_write_u32 (vif, VIRTIO_DRIVER_FEATURE_OFFSET (vif), |
| 75 | features_hi); |
| 76 | |
| 77 | if (features != virtio_pci_modern_get_driver_features (vm, vif)) |
| 78 | { |
| 79 | clib_warning ("modern set guest features failed!"); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | static u16 |
| 84 | virtio_pci_modern_get_msix_config (virtio_if_t * vif) |
| 85 | { |
| 86 | u16 msix_config; |
| 87 | msix_config = |
| 88 | virtio_pci_reg_read_u16 (vif, VIRTIO_MSIX_CONFIG_VECTOR_OFFSET (vif)); |
| 89 | return msix_config; |
| 90 | } |
| 91 | |
| 92 | static u16 |
| 93 | virtio_pci_modern_set_msix_config (vlib_main_t * vm, virtio_if_t * vif, |
| 94 | u16 msix_config) |
| 95 | { |
| 96 | virtio_pci_reg_write_u16 (vif, VIRTIO_MSIX_CONFIG_VECTOR_OFFSET (vif), |
| 97 | msix_config); |
| 98 | return virtio_pci_modern_get_msix_config (vif); |
| 99 | } |
| 100 | |
| 101 | static u16 |
| 102 | virtio_pci_modern_get_num_queues (virtio_if_t * vif) |
| 103 | { |
| 104 | u16 num_queues = 0; |
| 105 | num_queues = virtio_pci_reg_read_u16 (vif, VIRTIO_NUM_QUEUES_OFFSET (vif)); |
| 106 | return num_queues; |
| 107 | } |
| 108 | |
| 109 | static u8 |
| 110 | virtio_pci_modern_get_status (vlib_main_t * vm, virtio_if_t * vif) |
| 111 | { |
| 112 | u8 status = 0; |
| 113 | status = virtio_pci_reg_read_u8 (vif, VIRTIO_DEVICE_STATUS_OFFSET (vif)); |
| 114 | return status; |
| 115 | } |
| 116 | |
| 117 | static void |
| 118 | virtio_pci_modern_set_status (vlib_main_t * vm, virtio_if_t * vif, u8 status) |
| 119 | { |
| 120 | if (status != VIRTIO_CONFIG_STATUS_RESET) |
| 121 | status |= virtio_pci_modern_get_status (vm, vif); |
| 122 | virtio_pci_reg_write_u8 (vif, VIRTIO_DEVICE_STATUS_OFFSET (vif), status); |
| 123 | } |
| 124 | |
| 125 | static u8 |
| 126 | virtio_pci_modern_reset (vlib_main_t * vm, virtio_if_t * vif) |
| 127 | { |
| 128 | virtio_pci_modern_set_status (vm, vif, VIRTIO_CONFIG_STATUS_RESET); |
| 129 | return virtio_pci_modern_get_status (vm, vif); |
| 130 | } |
| 131 | |
| 132 | static u8 |
| 133 | virtio_pci_modern_get_config_generation (virtio_if_t * vif) |
| 134 | { |
| 135 | u8 config_generation = 0; |
| 136 | config_generation = |
| 137 | virtio_pci_reg_read_u8 (vif, VIRTIO_CONFIG_GENERATION_OFFSET (vif)); |
| 138 | return config_generation; |
| 139 | } |
| 140 | |
| 141 | static void |
| 142 | virtio_pci_modern_set_queue_select (virtio_if_t * vif, u16 queue_select) |
| 143 | { |
| 144 | virtio_pci_reg_write_u16 (vif, VIRTIO_QUEUE_SELECT_OFFSET (vif), |
| 145 | queue_select); |
| 146 | } |
| 147 | |
| 148 | static u16 |
| 149 | virtio_pci_modern_get_queue_size (vlib_main_t * vm, virtio_if_t * vif, |
| 150 | u16 queue_id) |
| 151 | { |
| 152 | u16 queue_size = 0; |
| 153 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 154 | queue_size = virtio_pci_reg_read_u16 (vif, VIRTIO_QUEUE_SIZE_OFFSET (vif)); |
| 155 | return queue_size; |
| 156 | } |
| 157 | |
| 158 | static void |
| 159 | virtio_pci_modern_set_queue_size (vlib_main_t * vm, virtio_if_t * vif, |
| 160 | u16 queue_id, u16 queue_size) |
| 161 | { |
| 162 | if (!is_pow2 (queue_size)) |
| 163 | { |
| 164 | return; |
| 165 | } |
| 166 | |
| 167 | if (virtio_pci_modern_get_queue_size (vm, vif, queue_id) > queue_size) |
| 168 | virtio_pci_reg_write_u16 (vif, VIRTIO_QUEUE_SIZE_OFFSET (vif), |
| 169 | queue_size); |
| 170 | } |
| 171 | |
| 172 | static u16 |
| 173 | virtio_pci_modern_get_queue_msix_vector (virtio_if_t * vif) |
| 174 | { |
| 175 | u16 queue_msix_vector = 0; |
| 176 | queue_msix_vector = |
| 177 | virtio_pci_reg_read_u16 (vif, VIRTIO_QUEUE_MSIX_VECTOR_OFFSET (vif)); |
| 178 | return queue_msix_vector; |
| 179 | } |
| 180 | |
| 181 | static u16 |
| 182 | virtio_pci_modern_set_queue_msix_vector (vlib_main_t * vm, virtio_if_t * vif, |
| 183 | u16 queue_msix_vector, u16 queue_id) |
| 184 | { |
| 185 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 186 | virtio_pci_reg_write_u16 (vif, VIRTIO_QUEUE_MSIX_VECTOR_OFFSET (vif), |
| 187 | queue_msix_vector); |
| 188 | return virtio_pci_modern_get_queue_msix_vector (vif); |
| 189 | } |
| 190 | |
| 191 | static u16 |
| 192 | virtio_pci_modern_get_queue_enable (virtio_if_t * vif, u16 queue_id) |
| 193 | { |
| 194 | u16 queue_enable = 0; |
| 195 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 196 | queue_enable = |
| 197 | virtio_pci_reg_read_u16 (vif, VIRTIO_QUEUE_ENABLE_OFFSET (vif)); |
| 198 | return queue_enable; |
| 199 | } |
| 200 | |
| 201 | static void |
| 202 | virtio_pci_modern_set_queue_enable (virtio_if_t * vif, u16 queue_id, |
| 203 | u16 queue_enable) |
| 204 | { |
| 205 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 206 | virtio_pci_reg_write_u16 (vif, VIRTIO_QUEUE_ENABLE_OFFSET (vif), |
| 207 | queue_enable); |
| 208 | } |
| 209 | |
| 210 | static u16 |
Mohsin Kazmi | 162a296 | 2020-09-29 10:01:25 +0000 | [diff] [blame] | 211 | virtio_pci_modern_get_queue_notify_off (vlib_main_t * vm, virtio_if_t * vif, |
| 212 | u16 queue_id) |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 213 | { |
| 214 | u16 queue_notify_off = 0; |
| 215 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 216 | queue_notify_off = |
| 217 | virtio_pci_reg_read_u16 (vif, VIRTIO_QUEUE_NOTIFY_OFF_OFFSET (vif)); |
| 218 | return queue_notify_off; |
| 219 | } |
| 220 | |
| 221 | static u64 |
| 222 | virtio_pci_modern_get_queue_desc (virtio_if_t * vif) |
| 223 | { |
| 224 | u64 queue_desc = 0; |
| 225 | queue_desc = virtio_pci_reg_read_u64 (vif, VIRTIO_QUEUE_DESC_OFFSET (vif)); |
| 226 | return queue_desc; |
| 227 | } |
| 228 | |
| 229 | static void |
| 230 | virtio_pci_modern_set_queue_desc (virtio_if_t * vif, u64 queue_desc) |
| 231 | { |
| 232 | virtio_pci_reg_write_u64 (vif, VIRTIO_QUEUE_DESC_OFFSET (vif), queue_desc); |
| 233 | } |
| 234 | |
| 235 | static u64 |
| 236 | virtio_pci_modern_get_queue_driver (virtio_if_t * vif) |
| 237 | { |
| 238 | u64 queue_driver = 0; |
| 239 | queue_driver = |
| 240 | virtio_pci_reg_read_u64 (vif, VIRTIO_QUEUE_DRIVER_OFFSET (vif)); |
| 241 | return queue_driver; |
| 242 | } |
| 243 | |
| 244 | static void |
| 245 | virtio_pci_modern_set_queue_driver (virtio_if_t * vif, u64 queue_driver) |
| 246 | { |
| 247 | virtio_pci_reg_write_u64 (vif, VIRTIO_QUEUE_DRIVER_OFFSET (vif), |
| 248 | queue_driver); |
| 249 | } |
| 250 | |
| 251 | static u64 |
| 252 | virtio_pci_modern_get_queue_device (virtio_if_t * vif) |
| 253 | { |
| 254 | u64 queue_device = 0; |
| 255 | queue_device = |
| 256 | virtio_pci_reg_read_u64 (vif, VIRTIO_QUEUE_DEVICE_OFFSET (vif)); |
| 257 | return queue_device; |
| 258 | } |
| 259 | |
| 260 | static void |
| 261 | virtio_pci_modern_set_queue_device (virtio_if_t * vif, u64 queue_device) |
| 262 | { |
| 263 | virtio_pci_reg_write_u64 (vif, VIRTIO_QUEUE_DEVICE_OFFSET (vif), |
| 264 | queue_device); |
| 265 | } |
| 266 | |
| 267 | static u8 |
| 268 | virtio_pci_modern_setup_queue (vlib_main_t * vm, virtio_if_t * vif, |
| 269 | u16 queue_id, void *p) |
| 270 | { |
Mohsin Kazmi | b977d3f | 2020-11-16 16:49:30 +0100 | [diff] [blame] | 271 | u64 desc, avail, used; |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 272 | u16 queue_size = 0; |
| 273 | |
| 274 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 275 | queue_size = virtio_pci_modern_get_queue_size (vm, vif, queue_id); |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 276 | |
Mohsin Kazmi | b977d3f | 2020-11-16 16:49:30 +0100 | [diff] [blame] | 277 | if (vif->is_packed) |
| 278 | { |
| 279 | virtio_vring_t *vring = (virtio_vring_t *) p; |
| 280 | |
| 281 | desc = vlib_physmem_get_pa (vm, vring->packed_desc); |
| 282 | avail = vlib_physmem_get_pa (vm, vring->driver_event); |
| 283 | used = vlib_physmem_get_pa (vm, vring->device_event); |
| 284 | } |
| 285 | else |
| 286 | { |
| 287 | vring_t vr; |
| 288 | |
| 289 | vring_init (&vr, queue_size, p, VIRTIO_PCI_VRING_ALIGN); |
| 290 | |
| 291 | desc = vlib_physmem_get_pa (vm, vr.desc); |
| 292 | avail = vlib_physmem_get_pa (vm, vr.avail); |
| 293 | used = vlib_physmem_get_pa (vm, vr.used); |
| 294 | } |
| 295 | |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 296 | virtio_pci_modern_set_queue_desc (vif, desc); |
| 297 | if (desc != virtio_pci_modern_get_queue_desc (vif)) |
| 298 | return 1; |
| 299 | |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 300 | virtio_pci_modern_set_queue_driver (vif, avail); |
| 301 | if (avail != virtio_pci_modern_get_queue_driver (vif)) |
| 302 | return 1; |
| 303 | |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 304 | virtio_pci_modern_set_queue_device (vif, used); |
| 305 | if (used != virtio_pci_modern_get_queue_device (vif)) |
| 306 | return 1; |
| 307 | |
| 308 | virtio_pci_modern_set_queue_enable (vif, queue_id, 1); |
| 309 | |
| 310 | if (virtio_pci_modern_get_queue_enable (vif, queue_id)) |
| 311 | return 0; |
| 312 | |
| 313 | return 1; |
| 314 | } |
| 315 | |
| 316 | static void |
| 317 | virtio_pci_modern_del_queue (vlib_main_t * vm, virtio_if_t * vif, |
| 318 | u16 queue_id) |
| 319 | { |
| 320 | virtio_pci_modern_set_queue_select (vif, queue_id); |
| 321 | virtio_pci_modern_set_queue_enable (vif, queue_id, 0); |
| 322 | virtio_pci_modern_set_queue_desc (vif, 0); |
| 323 | virtio_pci_modern_set_queue_driver (vif, 0); |
| 324 | virtio_pci_modern_set_queue_device (vif, 0); |
| 325 | } |
| 326 | |
| 327 | static void |
| 328 | virtio_pci_modern_get_device_mac (vlib_main_t * vm, virtio_if_t * vif) |
| 329 | { |
Benoît Ganne | 3f0ae66 | 2020-09-09 12:50:07 +0200 | [diff] [blame] | 330 | vif->mac_addr32 = virtio_pci_reg_read_u32 (vif, VIRTIO_MAC_OFFSET (vif)); |
| 331 | vif->mac_addr16 = |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 332 | virtio_pci_reg_read_u16 (vif, VIRTIO_MAC_OFFSET (vif) + 4); |
| 333 | } |
| 334 | |
| 335 | static void |
| 336 | virtio_pci_modern_set_device_mac (vlib_main_t * vm, virtio_if_t * vif) |
| 337 | { |
Benoît Ganne | 3f0ae66 | 2020-09-09 12:50:07 +0200 | [diff] [blame] | 338 | virtio_pci_reg_write_u32 (vif, VIRTIO_MAC_OFFSET (vif), vif->mac_addr32); |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 339 | virtio_pci_reg_write_u16 (vif, VIRTIO_MAC_OFFSET (vif) + 4, |
Benoît Ganne | 3f0ae66 | 2020-09-09 12:50:07 +0200 | [diff] [blame] | 340 | vif->mac_addr16); |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | static u16 |
| 344 | virtio_pci_modern_get_device_status (vlib_main_t * vm, virtio_if_t * vif) |
| 345 | { |
| 346 | u16 status = 0; |
| 347 | status = virtio_pci_reg_read_u16 (vif, VIRTIO_STATUS_OFFSET (vif)); |
| 348 | return status; |
| 349 | } |
| 350 | |
| 351 | static u16 |
| 352 | virtio_pci_modern_get_max_virtqueue_pairs (vlib_main_t * vm, |
| 353 | virtio_if_t * vif) |
| 354 | { |
| 355 | u16 max_virtqueue_pairs = 0; |
| 356 | max_virtqueue_pairs = |
| 357 | virtio_pci_reg_read_u16 (vif, VIRTIO_MAX_VIRTQUEUE_PAIRS_OFFSET (vif)); |
| 358 | u16 supported_queues = virtio_pci_modern_get_num_queues (vif); |
| 359 | virtio_log_debug (vif, "max-virtqueue-pairs %u, supported-queues %u", |
| 360 | max_virtqueue_pairs, supported_queues); |
| 361 | return max_virtqueue_pairs; |
| 362 | } |
| 363 | |
| 364 | static u16 |
| 365 | virtio_pci_modern_get_device_mtu (vlib_main_t * vm, virtio_if_t * vif) |
| 366 | { |
| 367 | u16 mtu = 0; |
| 368 | mtu = virtio_pci_reg_read_u16 (vif, VIRTIO_MTU_OFFSET (vif)); |
| 369 | return mtu; |
| 370 | } |
| 371 | |
| 372 | static void |
| 373 | virtio_pci_modern_read_config (vlib_main_t * vm, virtio_if_t * vif, void *dst, |
| 374 | int len, u32 addr) |
| 375 | { |
| 376 | u8 config_count; |
| 377 | do |
| 378 | { |
| 379 | config_count = virtio_pci_modern_get_config_generation (vif); |
| 380 | virtio_pci_modern_get_device_mac (vm, vif); |
| 381 | u16 status = virtio_pci_modern_get_device_status (vm, vif); |
| 382 | u16 max_queue_pairs = |
| 383 | virtio_pci_modern_get_max_virtqueue_pairs (vm, vif); |
| 384 | u16 mtu = virtio_pci_modern_get_device_mtu (vm, vif); |
| 385 | virtio_log_debug (vif, "status %u, max_queue_pairs %u, mtu %u", status, |
| 386 | max_queue_pairs, mtu); |
| 387 | } |
| 388 | while (config_count != virtio_pci_modern_get_config_generation (vif)); |
| 389 | } |
| 390 | |
| 391 | static void |
| 392 | virtio_pci_modern_write_config (vlib_main_t * vm, virtio_if_t * vif, |
| 393 | void *src, int len, u32 addr) |
| 394 | { |
| 395 | // do nothing |
| 396 | } |
| 397 | |
| 398 | static u8 |
| 399 | virtio_pci_modern_get_isr (vlib_main_t * vm, virtio_if_t * vif) |
| 400 | { |
| 401 | return virtio_pci_reg_read_u8 (vif, VIRTIO_ISR_OFFSET (vif)); |
| 402 | } |
| 403 | |
| 404 | inline void |
| 405 | virtio_pci_modern_notify_queue (vlib_main_t * vm, virtio_if_t * vif, |
Mohsin Kazmi | 162a296 | 2020-09-29 10:01:25 +0000 | [diff] [blame] | 406 | u16 queue_id, u16 queue_notify_off) |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 407 | { |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 408 | virtio_pci_reg_write_u16 (vif, |
| 409 | VIRTIO_NOTIFICATION_OFFSET (vif) + |
Mohsin Kazmi | 162a296 | 2020-09-29 10:01:25 +0000 | [diff] [blame] | 410 | queue_notify_off, queue_id); |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 411 | } |
| 412 | |
| 413 | static void |
| 414 | virtio_pci_modern_device_debug_config_space (vlib_main_t * vm, |
| 415 | virtio_if_t * vif) |
| 416 | { |
| 417 | // do nothing for now |
| 418 | } |
| 419 | |
| 420 | const virtio_pci_func_t virtio_pci_modern_func = { |
| 421 | .read_config = virtio_pci_modern_read_config, |
| 422 | .write_config = virtio_pci_modern_write_config, |
| 423 | .get_device_features = virtio_pci_modern_get_device_features, |
| 424 | .get_driver_features = virtio_pci_modern_get_driver_features, |
| 425 | .set_driver_features = virtio_pci_modern_set_driver_features, |
| 426 | .get_status = virtio_pci_modern_get_status, |
| 427 | .set_status = virtio_pci_modern_set_status, |
| 428 | .device_reset = virtio_pci_modern_reset, |
| 429 | .get_isr = virtio_pci_modern_get_isr, |
| 430 | .get_queue_size = virtio_pci_modern_get_queue_size, |
| 431 | .set_queue_size = virtio_pci_modern_set_queue_size, |
| 432 | .setup_queue = virtio_pci_modern_setup_queue, |
| 433 | .del_queue = virtio_pci_modern_del_queue, |
Mohsin Kazmi | 162a296 | 2020-09-29 10:01:25 +0000 | [diff] [blame] | 434 | .get_queue_notify_off = virtio_pci_modern_get_queue_notify_off, |
Mohsin Kazmi | 379aac3 | 2020-08-20 10:25:12 +0200 | [diff] [blame] | 435 | .notify_queue = virtio_pci_modern_notify_queue, |
| 436 | .set_config_irq = virtio_pci_modern_set_msix_config, |
| 437 | .set_queue_irq = virtio_pci_modern_set_queue_msix_vector, |
| 438 | .get_mac = virtio_pci_modern_get_device_mac, |
| 439 | .set_mac = virtio_pci_modern_set_device_mac, |
| 440 | .get_device_status = virtio_pci_modern_get_device_status, |
| 441 | .get_max_queue_pairs = virtio_pci_modern_get_max_virtqueue_pairs, |
| 442 | .get_mtu = virtio_pci_modern_get_device_mtu, |
| 443 | .device_debug_config_space = virtio_pci_modern_device_debug_config_space, |
| 444 | }; |
| 445 | |
| 446 | /* |
| 447 | * fd.io coding-style-patch-verification: ON |
| 448 | * |
| 449 | * Local Variables: |
| 450 | * eval: (c-set-style "gnu") |
| 451 | * End: |
| 452 | */ |