[37799] | 1 | /** @file
|
---|
| 2 | * PDM - Pluggable Device Manager, raw PCI Devices. (VMM)
|
---|
| 3 | */
|
---|
| 4 |
|
---|
| 5 | /*
|
---|
[98103] | 6 | * Copyright (C) 2010-2023 Oracle and/or its affiliates.
|
---|
[37799] | 7 | *
|
---|
[96407] | 8 | * This file is part of VirtualBox base platform packages, as
|
---|
| 9 | * available from https://www.virtualbox.org.
|
---|
[37799] | 10 | *
|
---|
[96407] | 11 | * This program is free software; you can redistribute it and/or
|
---|
| 12 | * modify it under the terms of the GNU General Public License
|
---|
| 13 | * as published by the Free Software Foundation, in version 3 of the
|
---|
| 14 | * License.
|
---|
| 15 | *
|
---|
| 16 | * This program is distributed in the hope that it will be useful, but
|
---|
| 17 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
| 19 | * General Public License for more details.
|
---|
| 20 | *
|
---|
| 21 | * You should have received a copy of the GNU General Public License
|
---|
| 22 | * along with this program; if not, see <https://www.gnu.org/licenses>.
|
---|
| 23 | *
|
---|
[37799] | 24 | * The contents of this file may alternatively be used under the terms
|
---|
| 25 | * of the Common Development and Distribution License Version 1.0
|
---|
[96407] | 26 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
|
---|
| 27 | * in the VirtualBox distribution, in which case the provisions of the
|
---|
[37799] | 28 | * CDDL are applicable instead of those of the GPL.
|
---|
| 29 | *
|
---|
| 30 | * You may elect to license modified versions of this file under the
|
---|
| 31 | * terms and conditions of either the GPL or the CDDL or both.
|
---|
[96407] | 32 | *
|
---|
| 33 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
|
---|
[37799] | 34 | */
|
---|
| 35 |
|
---|
[76558] | 36 | #ifndef VBOX_INCLUDED_vmm_pdmpci_h
|
---|
| 37 | #define VBOX_INCLUDED_vmm_pdmpci_h
|
---|
[76507] | 38 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
---|
| 39 | # pragma once
|
---|
| 40 | #endif
|
---|
[37799] | 41 |
|
---|
| 42 | #include <VBox/types.h>
|
---|
| 43 | #include <VBox/rawpci.h>
|
---|
| 44 |
|
---|
| 45 | RT_C_DECLS_BEGIN
|
---|
| 46 |
|
---|
[64376] | 47 | /** @defgroup grp_pdm_pciraw The raw PCI Devices API
|
---|
[37799] | 48 | * @ingroup grp_pdm
|
---|
| 49 | * @{
|
---|
| 50 | */
|
---|
| 51 |
|
---|
| 52 | typedef struct PDMIPCIRAW *PPDMIPCIRAW;
|
---|
| 53 | typedef struct PDMIPCIRAW
|
---|
| 54 | {
|
---|
| 55 | /**
|
---|
| 56 | * Notify virtual device that interrupt has arrived.
|
---|
| 57 | * For this callback to be called, interface have to be
|
---|
| 58 | * registered with PDMIPCIRAWUP::pfnRegisterInterruptListener.
|
---|
| 59 | *
|
---|
| 60 | * @note no level parameter, as we can only support flip-flop.
|
---|
| 61 | *
|
---|
| 62 | * @param pInterface Pointer to this interface structure.
|
---|
| 63 | * @param iGuestIrq Guest interrupt number, passed earlier when registering listener.
|
---|
| 64 | *
|
---|
| 65 | * @thread Any thread.
|
---|
| 66 | */
|
---|
[62984] | 67 | DECLR3CALLBACKMEMBER(int, pfnInterruptRequest,(PPDMIPCIRAW pInterface, int32_t iGuestIrq));
|
---|
[37799] | 68 | } PDMIPCIRAW;
|
---|
| 69 |
|
---|
| 70 | typedef struct PDMIPCIRAWUP *PPDMIPCIRAWUP;
|
---|
| 71 | typedef struct PDMIPCIRAWUP
|
---|
| 72 | {
|
---|
| 73 | /**
|
---|
| 74 | * Host PCI MMIO access function.
|
---|
| 75 | */
|
---|
| 76 |
|
---|
| 77 | /**
|
---|
| 78 | * Request driver info about PCI region on host PCI device.
|
---|
| 79 | *
|
---|
| 80 | * @returns true, if region is present, and out parameters are correct
|
---|
| 81 | * @param pInterface Pointer to this interface structure.
|
---|
| 82 | * @param iRegion Region number.
|
---|
[62984] | 83 | * @param pGCPhysRegion Where to store region base address (guest).
|
---|
| 84 | * @param pcbRegion Where to store region size.
|
---|
[37799] | 85 | *
|
---|
[65101] | 86 | * @param pfFlags If region is MMIO or IO.
|
---|
[37799] | 87 | * @thread Any thread.
|
---|
| 88 | */
|
---|
| 89 | DECLR3CALLBACKMEMBER(bool, pfnGetRegionInfo, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 90 | uint32_t iRegion,
|
---|
| 91 | RTGCPHYS *pGCPhysRegion,
|
---|
| 92 | uint64_t *pcbRegion,
|
---|
| 93 | uint32_t *pfFlags));
|
---|
[37799] | 94 |
|
---|
| 95 | /**
|
---|
| 96 | * Request driver to map part of host device's MMIO region to the VM process and maybe kernel.
|
---|
| 97 | * Shall only be issued within earlier obtained with pfnGetRegionInfo()
|
---|
| 98 | * host physical address ranges for the device BARs. Even if failed, device still may function
|
---|
| 99 | * using pfnMmio* and pfnPio* operations, just much slower.
|
---|
| 100 | *
|
---|
| 101 | * @returns status code
|
---|
| 102 | * @param pInterface Pointer to this interface structure.
|
---|
| 103 | * @param iRegion Number of the region.
|
---|
| 104 | * @param StartAddress Host physical address of start.
|
---|
[62984] | 105 | * @param cbRegion Size of the region.
|
---|
[37799] | 106 | * @param fFlags Flags, currently lowest significant bit set if R0 mapping requested too
|
---|
| 107 | * @param ppvAddressR3 Where to store mapped region address for R3 (can be 0, if cannot map into userland)
|
---|
| 108 | * @param ppvAddressR0 Where to store mapped region address for R0 (can be 0, if cannot map into kernel)
|
---|
| 109 | *
|
---|
| 110 | * @thread Any thread.
|
---|
| 111 | */
|
---|
| 112 | DECLR3CALLBACKMEMBER(int, pfnMapRegion, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 113 | uint32_t iRegion,
|
---|
| 114 | RTHCPHYS StartAddress,
|
---|
| 115 | uint64_t cbRegion,
|
---|
| 116 | uint32_t fFlags,
|
---|
| 117 | PRTR3PTR ppvAddressR3,
|
---|
| 118 | PRTR0PTR ppvAddressR0));
|
---|
[37799] | 119 |
|
---|
| 120 | /**
|
---|
| 121 | * Request driver to unmap part of host device's MMIO region to the VM process.
|
---|
| 122 | * Shall only be issued with pointer earlier obtained with pfnMapRegion().
|
---|
| 123 | *
|
---|
| 124 | * @returns status code
|
---|
| 125 | * @param pInterface Pointer to this interface structure
|
---|
| 126 | * @param iRegion Number of the region.
|
---|
| 127 | * @param StartAddress Host physical address of start.
|
---|
[62984] | 128 | * @param cbRegion Size of the region.
|
---|
[37799] | 129 | * @param pvAddressR3 R3 address of mapped region.
|
---|
| 130 | * @param pvAddressR0 R0 address of mapped region.
|
---|
| 131 | *
|
---|
| 132 | * @thread Any thread.
|
---|
| 133 | */
|
---|
| 134 | DECLR3CALLBACKMEMBER(int, pfnUnmapRegion, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 135 | uint32_t iRegion,
|
---|
| 136 | RTHCPHYS StartAddress,
|
---|
| 137 | uint64_t cbRegion,
|
---|
| 138 | RTR3PTR pvAddressR3,
|
---|
| 139 | RTR0PTR pvAddressR0));
|
---|
[37799] | 140 |
|
---|
| 141 | /**
|
---|
| 142 | * Request port IO write.
|
---|
| 143 | *
|
---|
| 144 | * @returns status code
|
---|
| 145 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 146 | * @param uPort I/O port address.
|
---|
| 147 | * @param uValue Value to write.
|
---|
[37799] | 148 | * @param cb Access width.
|
---|
| 149 | *
|
---|
| 150 | * @thread EMT thread.
|
---|
| 151 | */
|
---|
| 152 | DECLR3CALLBACKMEMBER(int, pfnPioWrite, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 153 | RTIOPORT uPort,
|
---|
| 154 | uint32_t uValue,
|
---|
| 155 | unsigned cb));
|
---|
[37799] | 156 |
|
---|
| 157 | /**
|
---|
| 158 | * Request port IO read.
|
---|
| 159 | *
|
---|
| 160 | * @returns status code
|
---|
| 161 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 162 | * @param uPort I/O port address.
|
---|
| 163 | * @param puValue Place to store read value.
|
---|
[37799] | 164 | * @param cb Access width.
|
---|
| 165 | *
|
---|
| 166 | * @thread EMT thread.
|
---|
| 167 | */
|
---|
| 168 | DECLR3CALLBACKMEMBER(int, pfnPioRead, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 169 | RTIOPORT uPort,
|
---|
| 170 | uint32_t *puValue,
|
---|
| 171 | unsigned cb));
|
---|
[37799] | 172 |
|
---|
| 173 |
|
---|
| 174 | /**
|
---|
[81366] | 175 | * Request MMIO write.
|
---|
[37799] | 176 | *
|
---|
[81366] | 177 | * This callback is only called if driver wants to receive MMIO via pu32Flags
|
---|
| 178 | * argument of pfnPciDeviceConstructStart().
|
---|
| 179 | *
|
---|
[37799] | 180 | * @returns status code
|
---|
| 181 | * @param pInterface Pointer to this interface structure.
|
---|
| 182 | * @param Address Guest physical address.
|
---|
[62984] | 183 | * @param pvValue Address of value to write.
|
---|
[37799] | 184 | * @param cb Access width.
|
---|
| 185 | *
|
---|
[81364] | 186 | * @todo Why is this @a Address documented as guest physical
|
---|
| 187 | * address and given a host ring-0 address type?
|
---|
| 188 | *
|
---|
[37799] | 189 | * @thread EMT thread.
|
---|
| 190 | */
|
---|
| 191 | DECLR3CALLBACKMEMBER(int, pfnMmioWrite, (PPDMIPCIRAWUP pInterface,
|
---|
[65101] | 192 | RTR0PTR Address,
|
---|
[62984] | 193 | void const *pvValue,
|
---|
| 194 | unsigned cb));
|
---|
[37799] | 195 |
|
---|
| 196 | /**
|
---|
| 197 | * Request MMIO read.
|
---|
| 198 | *
|
---|
| 199 | * @returns status code
|
---|
| 200 | * @param pInterface Pointer to this interface structure.
|
---|
| 201 | * @param Address Guest physical address.
|
---|
[62984] | 202 | * @param pvValue Place to store read value.
|
---|
[37799] | 203 | * @param cb Access width.
|
---|
| 204 | *
|
---|
[81364] | 205 | * @todo Why is this @a Address documented as guest physical
|
---|
| 206 | * address and given a host ring-0 address type?
|
---|
| 207 | *
|
---|
[37799] | 208 | * @thread EMT thread.
|
---|
| 209 | */
|
---|
| 210 | DECLR3CALLBACKMEMBER(int, pfnMmioRead, (PPDMIPCIRAWUP pInterface,
|
---|
[65101] | 211 | RTR0PTR Address,
|
---|
[62984] | 212 | void *pvValue,
|
---|
| 213 | unsigned cb));
|
---|
[37799] | 214 |
|
---|
| 215 | /**
|
---|
| 216 | * Host PCI config space accessors.
|
---|
| 217 | */
|
---|
| 218 | /**
|
---|
| 219 | * Request driver to write value to host device's PCI config space.
|
---|
| 220 | * Host specific way (PIO or MCFG) is used to perform actual operation.
|
---|
| 221 | *
|
---|
| 222 | * @returns status code
|
---|
| 223 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 224 | * @param offCfgSpace Offset in PCI config space.
|
---|
| 225 | * @param pvValue Value to write.
|
---|
[37799] | 226 | * @param cb Access width.
|
---|
| 227 | *
|
---|
| 228 | * @thread EMT thread.
|
---|
| 229 | */
|
---|
| 230 | DECLR3CALLBACKMEMBER(int, pfnPciCfgWrite, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 231 | uint32_t offCfgSpace,
|
---|
| 232 | void *pvValue,
|
---|
| 233 | unsigned cb));
|
---|
[37799] | 234 | /**
|
---|
| 235 | * Request driver to read value from host device's PCI config space.
|
---|
| 236 | * Host specific way (PIO or MCFG) is used to perform actual operation.
|
---|
| 237 | *
|
---|
| 238 | * @returns status code
|
---|
| 239 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 240 | * @param offCfgSpace Offset in PCI config space.
|
---|
| 241 | * @param pvValue Where to store read value.
|
---|
[37799] | 242 | * @param cb Access width.
|
---|
| 243 | *
|
---|
| 244 | * @thread EMT thread.
|
---|
| 245 | */
|
---|
| 246 | DECLR3CALLBACKMEMBER(int, pfnPciCfgRead, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 247 | uint32_t offCfgSpace,
|
---|
| 248 | void *pvValue,
|
---|
| 249 | unsigned cb));
|
---|
[37799] | 250 |
|
---|
| 251 | /**
|
---|
| 252 | * Request to enable interrupt notifications. Please note that this is purely
|
---|
| 253 | * R3 interface, so it's up to implementor to perform necessary machinery
|
---|
| 254 | * for communications with host OS kernel driver. Typical implementation will start
|
---|
| 255 | * userland thread waiting on shared semaphore (such as using SUPSEMEVENT),
|
---|
| 256 | * notified by the kernel interrupt handler, and then will call
|
---|
| 257 | * upper port pfnInterruptRequest() based on data provided by the driver.
|
---|
| 258 | * This apporach is taken, as calling VBox code from an asyncronous R0
|
---|
| 259 | * interrupt handler when VMM may not be even running doesn't look
|
---|
| 260 | * like a good idea.
|
---|
| 261 | *
|
---|
| 262 | * @returns status code
|
---|
| 263 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 264 | * @param uGuestIrq Guest IRQ to be passed to pfnInterruptRequest().
|
---|
[37799] | 265 | *
|
---|
| 266 | * @thread Any thread, pfnInterruptRequest() will be usually invoked on a dedicated thread.
|
---|
| 267 | */
|
---|
[62984] | 268 | DECLR3CALLBACKMEMBER(int, pfnEnableInterruptNotifications, (PPDMIPCIRAWUP pInterface, uint8_t uGuestIrq));
|
---|
[37799] | 269 |
|
---|
| 270 | /**
|
---|
| 271 | * Request to disable interrupt notifications.
|
---|
| 272 | *
|
---|
| 273 | * @returns status code
|
---|
| 274 | * @param pInterface Pointer to this interface structure.
|
---|
| 275 | *
|
---|
| 276 | * @thread Any thread.
|
---|
| 277 | */
|
---|
[62984] | 278 | DECLR3CALLBACKMEMBER(int, pfnDisableInterruptNotifications, (PPDMIPCIRAWUP pInterface));
|
---|
[37799] | 279 |
|
---|
[62984] | 280 | /** @name Notification APIs.
|
---|
| 281 | * @{
|
---|
[37799] | 282 | */
|
---|
| 283 |
|
---|
| 284 | /**
|
---|
[62984] | 285 | * Notify driver when raw PCI device construction starts.
|
---|
[37799] | 286 | *
|
---|
[62984] | 287 | * Have to be the first operation as initializes internal state and opens host
|
---|
| 288 | * device driver.
|
---|
| 289 | *
|
---|
[37799] | 290 | * @returns status code
|
---|
| 291 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 292 | * @param uHostPciAddress Host PCI address of device attached.
|
---|
| 293 | * @param uGuestPciAddress Guest PCI address of device attached.
|
---|
| 294 | * @param pszDeviceName Human readable device name.
|
---|
[37799] | 295 | * @param fDeviceFlags Flags for the host device.
|
---|
[62984] | 296 | * @param pfFlags Flags for virtual device, from the upper driver.
|
---|
[37799] | 297 | *
|
---|
| 298 | * @thread Any thread.
|
---|
| 299 | */
|
---|
| 300 | DECLR3CALLBACKMEMBER(int, pfnPciDeviceConstructStart, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 301 | uint32_t uHostPciAddress,
|
---|
| 302 | uint32_t uGuestPciAddress,
|
---|
| 303 | const char *pszDeviceName,
|
---|
| 304 | uint32_t fDeviceFlags,
|
---|
| 305 | uint32_t *pfFlags));
|
---|
[37799] | 306 |
|
---|
| 307 | /**
|
---|
| 308 | * Notify driver when raw PCI device construction completes, so that it may
|
---|
| 309 | * perform further actions depending on success or failure of this operation.
|
---|
| 310 | * Standard action is to raise global IHostPciDevicePlugEvent.
|
---|
| 311 | *
|
---|
| 312 | * @param pInterface Pointer to this interface structure.
|
---|
| 313 | * @param rc Result code of the operation.
|
---|
| 314 | *
|
---|
| 315 | * @thread Any thread.
|
---|
| 316 | */
|
---|
[62984] | 317 | DECLR3CALLBACKMEMBER(void, pfnPciDeviceConstructComplete, (PPDMIPCIRAWUP pInterface, int rc));
|
---|
[37799] | 318 |
|
---|
| 319 | /**
|
---|
| 320 | * Notify driver on finalization of raw PCI device.
|
---|
| 321 | *
|
---|
| 322 | * @param pInterface Pointer to this interface structure.
|
---|
[65101] | 323 | * @param fFlags Flags.
|
---|
[37799] | 324 | *
|
---|
| 325 | * @thread Any thread.
|
---|
| 326 | */
|
---|
[62984] | 327 | DECLR3CALLBACKMEMBER(int, pfnPciDeviceDestruct, (PPDMIPCIRAWUP pInterface, uint32_t fFlags));
|
---|
[37799] | 328 |
|
---|
| 329 | /**
|
---|
| 330 | * Notify driver on guest power state change.
|
---|
| 331 | *
|
---|
| 332 | * @param pInterface Pointer to this interface structure.
|
---|
[62984] | 333 | * @param enmState New power state.
|
---|
[37799] | 334 | * @param pu64Param State-specific in/out parameter. For now only used during power-on to provide VM caps.
|
---|
| 335 | *
|
---|
| 336 | * @thread Any thread.
|
---|
| 337 | */
|
---|
[62984] | 338 | DECLR3CALLBACKMEMBER(int, pfnPciDevicePowerStateChange, (PPDMIPCIRAWUP pInterface,
|
---|
| 339 | PCIRAWPOWERSTATE enmState,
|
---|
| 340 | uint64_t *pu64Param));
|
---|
[37799] | 341 |
|
---|
[62984] | 342 | /**
|
---|
[37799] | 343 | * Notify driver about runtime error.
|
---|
| 344 | *
|
---|
| 345 | * @param pInterface Pointer to this interface structure.
|
---|
| 346 | * @param fFatal If error is fatal.
|
---|
[65101] | 347 | * @param pszErrorId Error ID.
|
---|
| 348 | * @param pszMessage Error message.
|
---|
[37799] | 349 | *
|
---|
| 350 | * @thread Any thread.
|
---|
| 351 | */
|
---|
| 352 | DECLR3CALLBACKMEMBER(int, pfnReportRuntimeError, (PPDMIPCIRAWUP pInterface,
|
---|
[62984] | 353 | bool fFatal,
|
---|
| 354 | const char *pszErrorId,
|
---|
| 355 | const char *pszMessage));
|
---|
| 356 | /** @} */
|
---|
[37799] | 357 | } PDMIPCIRAWUP;
|
---|
| 358 |
|
---|
| 359 | /**
|
---|
| 360 | * Init R0 PCI module.
|
---|
| 361 | */
|
---|
| 362 | PCIRAWR0DECL(int) PciRawR0Init(void);
|
---|
| 363 | /**
|
---|
| 364 | * Process request (in R0).
|
---|
| 365 | */
|
---|
[80346] | 366 | PCIRAWR0DECL(int) PciRawR0ProcessReq(PGVM pGVM, PSUPDRVSESSION pSession, PPCIRAWSENDREQ pReq);
|
---|
[37799] | 367 | /**
|
---|
| 368 | * Terminate R0 PCI module.
|
---|
| 369 | */
|
---|
| 370 | PCIRAWR0DECL(void) PciRawR0Term(void);
|
---|
| 371 |
|
---|
| 372 | /**
|
---|
| 373 | * Per-VM R0 module init.
|
---|
| 374 | */
|
---|
[80346] | 375 | PCIRAWR0DECL(int) PciRawR0InitVM(PGVM pGVM);
|
---|
[37799] | 376 |
|
---|
| 377 | /**
|
---|
| 378 | * Per-VM R0 module termination routine.
|
---|
| 379 | */
|
---|
[80346] | 380 | PCIRAWR0DECL(void) PciRawR0TermVM(PGVM pGVM);
|
---|
[37799] | 381 |
|
---|
| 382 | /**
|
---|
| 383 | * Flags returned by pfnPciDeviceConstructStart(), to notify device
|
---|
| 384 | * how it shall handle device IO traffic.
|
---|
| 385 | */
|
---|
| 386 | typedef enum PCIRAWDEVICEFLAGS
|
---|
| 387 | {
|
---|
| 388 | /** Intercept port IO (R3 PIO always go to the driver). */
|
---|
| 389 | PCIRAWRFLAG_CAPTURE_PIO = (1 << 0),
|
---|
| 390 | /** Intercept MMIO. */
|
---|
| 391 | PCIRAWRFLAG_CAPTURE_MMIO = (1 << 1),
|
---|
| 392 | /** Allow bus mastering by physical device (requires IOMMU). */
|
---|
| 393 | PCIRAWRFLAG_ALLOW_BM = (1 << 2),
|
---|
| 394 | /** Allow R3 MMIO mapping. */
|
---|
| 395 | PCIRAWRFLAG_ALLOW_R3MAP = (1 << 3),
|
---|
| 396 |
|
---|
| 397 | /** The usual 32-bit type blow up. */
|
---|
| 398 | PCIRAWRFLAG_32BIT_HACK = 0x7fffffff
|
---|
| 399 | } PCIRAWDEVICEFLAGS;
|
---|
| 400 |
|
---|
| 401 | #define PDMIPCIRAWUP_IID "06daa17f-097b-4ebe-a626-15f467b1de12"
|
---|
| 402 | #define PDMIPCIRAW_IID "68c6e4c4-4223-47e0-9134-e3c297992543"
|
---|
| 403 |
|
---|
| 404 | /** @} */
|
---|
| 405 |
|
---|
| 406 | RT_C_DECLS_END
|
---|
| 407 |
|
---|
[76585] | 408 | #endif /* !VBOX_INCLUDED_vmm_pdmpci_h */
|
---|