| 1 | /** @file
|
|---|
| 2 | * PDM - Pluggable Device Manager, raw PCI Devices. (VMM)
|
|---|
| 3 | */
|
|---|
| 4 |
|
|---|
| 5 | /*
|
|---|
| 6 | * Copyright (C) 2010-2016 Oracle Corporation
|
|---|
| 7 | *
|
|---|
| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 9 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 10 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 11 | * General Public License (GPL) as published by the Free Software
|
|---|
| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 15 | *
|
|---|
| 16 | * The contents of this file may alternatively be used under the terms
|
|---|
| 17 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 19 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 20 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 21 | *
|
|---|
| 22 | * You may elect to license modified versions of this file under the
|
|---|
| 23 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 24 | */
|
|---|
| 25 |
|
|---|
| 26 | #ifndef ___VBox_vmm_pdmpci_h
|
|---|
| 27 | #define ___VBox_vmm_pdmpci_h
|
|---|
| 28 |
|
|---|
| 29 | #include <VBox/types.h>
|
|---|
| 30 | #include <VBox/rawpci.h>
|
|---|
| 31 |
|
|---|
| 32 | RT_C_DECLS_BEGIN
|
|---|
| 33 |
|
|---|
| 34 | /** @defgroup grp_pdm_pcidev The raw PCI Devices API
|
|---|
| 35 | * @ingroup grp_pdm
|
|---|
| 36 | * @{
|
|---|
| 37 | */
|
|---|
| 38 |
|
|---|
| 39 | typedef struct PDMIPCIRAW *PPDMIPCIRAW;
|
|---|
| 40 | typedef struct PDMIPCIRAW
|
|---|
| 41 | {
|
|---|
| 42 | /**
|
|---|
| 43 | * Notify virtual device that interrupt has arrived.
|
|---|
| 44 | * For this callback to be called, interface have to be
|
|---|
| 45 | * registered with PDMIPCIRAWUP::pfnRegisterInterruptListener.
|
|---|
| 46 | *
|
|---|
| 47 | * @note no level parameter, as we can only support flip-flop.
|
|---|
| 48 | *
|
|---|
| 49 | * @param pInterface Pointer to this interface structure.
|
|---|
| 50 | * @param iGuestIrq Guest interrupt number, passed earlier when registering listener.
|
|---|
| 51 | *
|
|---|
| 52 | * @thread Any thread.
|
|---|
| 53 | */
|
|---|
| 54 | DECLR3CALLBACKMEMBER(int, pfnInterruptRequest ,(PPDMIPCIRAW pInterface, int32_t iGuestIrq));
|
|---|
| 55 | } PDMIPCIRAW;
|
|---|
| 56 |
|
|---|
| 57 | typedef struct PDMIPCIRAWUP *PPDMIPCIRAWUP;
|
|---|
| 58 | typedef struct PDMIPCIRAWUP
|
|---|
| 59 | {
|
|---|
| 60 | /**
|
|---|
| 61 | * Host PCI MMIO access function.
|
|---|
| 62 | */
|
|---|
| 63 |
|
|---|
| 64 | /**
|
|---|
| 65 | * Request driver info about PCI region on host PCI device.
|
|---|
| 66 | *
|
|---|
| 67 | * @returns true, if region is present, and out parameters are correct
|
|---|
| 68 | * @param pInterface Pointer to this interface structure.
|
|---|
| 69 | * @param iRegion Region number.
|
|---|
| 70 | * @param pRegStart Where to store region base address (guest).
|
|---|
| 71 | * @param piRegSize Where to store region size.
|
|---|
| 72 | *
|
|---|
| 73 | * @param fMmio If region is MMIO or IO.
|
|---|
| 74 | * @thread Any thread.
|
|---|
| 75 | */
|
|---|
| 76 | DECLR3CALLBACKMEMBER(bool, pfnGetRegionInfo, (PPDMIPCIRAWUP pInterface,
|
|---|
| 77 | int32_t iRegion,
|
|---|
| 78 | RTGCPHYS *pRegStart,
|
|---|
| 79 | uint64_t *piRegSize,
|
|---|
| 80 | uint32_t *pfFlags
|
|---|
| 81 | ));
|
|---|
| 82 |
|
|---|
| 83 | /**
|
|---|
| 84 | * Request driver to map part of host device's MMIO region to the VM process and maybe kernel.
|
|---|
| 85 | * Shall only be issued within earlier obtained with pfnGetRegionInfo()
|
|---|
| 86 | * host physical address ranges for the device BARs. Even if failed, device still may function
|
|---|
| 87 | * using pfnMmio* and pfnPio* operations, just much slower.
|
|---|
| 88 | *
|
|---|
| 89 | * @returns status code
|
|---|
| 90 | * @param pInterface Pointer to this interface structure.
|
|---|
| 91 | * @param iRegion Number of the region.
|
|---|
| 92 | * @param StartAddress Host physical address of start.
|
|---|
| 93 | * @param iRegionSize Size of the region.
|
|---|
| 94 | * @param fFlags Flags, currently lowest significant bit set if R0 mapping requested too
|
|---|
| 95 | * @param ppvAddressR3 Where to store mapped region address for R3 (can be 0, if cannot map into userland)
|
|---|
| 96 | * @param ppvAddressR0 Where to store mapped region address for R0 (can be 0, if cannot map into kernel)
|
|---|
| 97 | *
|
|---|
| 98 | * @thread Any thread.
|
|---|
| 99 | */
|
|---|
| 100 | DECLR3CALLBACKMEMBER(int, pfnMapRegion, (PPDMIPCIRAWUP pInterface,
|
|---|
| 101 | int32_t iRegion,
|
|---|
| 102 | RTHCPHYS StartAddress,
|
|---|
| 103 | uint64_t iRegionSize,
|
|---|
| 104 | uint32_t fFlags,
|
|---|
| 105 | RTR3PTR *ppvAddressR3,
|
|---|
| 106 | RTR0PTR *ppvAddressR0
|
|---|
| 107 | ));
|
|---|
| 108 |
|
|---|
| 109 | /**
|
|---|
| 110 | * Request driver to unmap part of host device's MMIO region to the VM process.
|
|---|
| 111 | * Shall only be issued with pointer earlier obtained with pfnMapRegion().
|
|---|
| 112 | *
|
|---|
| 113 | * @returns status code
|
|---|
| 114 | * @param pInterface Pointer to this interface structure
|
|---|
| 115 | * @param iRegion Number of the region.
|
|---|
| 116 | * @param StartAddress Host physical address of start.
|
|---|
| 117 | * @param iRegionSize Size of the region.
|
|---|
| 118 | * @param pvAddressR3 R3 address of mapped region.
|
|---|
| 119 | * @param pvAddressR0 R0 address of mapped region.
|
|---|
| 120 | *
|
|---|
| 121 | * @thread Any thread.
|
|---|
| 122 | */
|
|---|
| 123 | DECLR3CALLBACKMEMBER(int, pfnUnmapRegion, (PPDMIPCIRAWUP pInterface,
|
|---|
| 124 | int iRegion,
|
|---|
| 125 | RTHCPHYS StartAddress,
|
|---|
| 126 | uint64_t iRegionSize,
|
|---|
| 127 | RTR3PTR pvAddressR3,
|
|---|
| 128 | RTR0PTR pvAddressR0
|
|---|
| 129 | ));
|
|---|
| 130 |
|
|---|
| 131 | /**
|
|---|
| 132 | * Request port IO write.
|
|---|
| 133 | *
|
|---|
| 134 | * @returns status code
|
|---|
| 135 | * @param pInterface Pointer to this interface structure.
|
|---|
| 136 | * @param iPort IO port.
|
|---|
| 137 | * @param iValue Value to write.
|
|---|
| 138 | * @param cb Access width.
|
|---|
| 139 | *
|
|---|
| 140 | * @thread EMT thread.
|
|---|
| 141 | */
|
|---|
| 142 | DECLR3CALLBACKMEMBER(int, pfnPioWrite, (PPDMIPCIRAWUP pInterface,
|
|---|
| 143 | uint16_t iPort,
|
|---|
| 144 | uint32_t iValue,
|
|---|
| 145 | unsigned cb
|
|---|
| 146 | ));
|
|---|
| 147 |
|
|---|
| 148 | /**
|
|---|
| 149 | * Request port IO read.
|
|---|
| 150 | *
|
|---|
| 151 | * @returns status code
|
|---|
| 152 | * @param pInterface Pointer to this interface structure.
|
|---|
| 153 | * @param iPort IO port.
|
|---|
| 154 | * @param piValue Place to store read value.
|
|---|
| 155 | * @param cb Access width.
|
|---|
| 156 | *
|
|---|
| 157 | * @thread EMT thread.
|
|---|
| 158 | */
|
|---|
| 159 |
|
|---|
| 160 | DECLR3CALLBACKMEMBER(int, pfnPioRead, (PPDMIPCIRAWUP pInterface,
|
|---|
| 161 | uint16_t iPort,
|
|---|
| 162 | uint32_t *piValue,
|
|---|
| 163 | unsigned cb
|
|---|
| 164 | ));
|
|---|
| 165 |
|
|---|
| 166 |
|
|---|
| 167 | /**
|
|---|
| 168 | * Request MMIO write. This callback is only called if driver wants to receive MMIO via
|
|---|
| 169 | * pu32Flags argument of pfnPciDeviceConstructStart().
|
|---|
| 170 | *
|
|---|
| 171 | * @returns status code
|
|---|
| 172 | * @param pInterface Pointer to this interface structure.
|
|---|
| 173 | * @param Address Guest physical address.
|
|---|
| 174 | * @param pValue Address of value to write.
|
|---|
| 175 | * @param cb Access width.
|
|---|
| 176 | *
|
|---|
| 177 | * @thread EMT thread.
|
|---|
| 178 | */
|
|---|
| 179 | DECLR3CALLBACKMEMBER(int, pfnMmioWrite, (PPDMIPCIRAWUP pInterface,
|
|---|
| 180 | RTR0PTR Address,
|
|---|
| 181 | void const *pValue,
|
|---|
| 182 | unsigned cb
|
|---|
| 183 | ));
|
|---|
| 184 |
|
|---|
| 185 | /**
|
|---|
| 186 | * Request MMIO read.
|
|---|
| 187 | *
|
|---|
| 188 | * @returns status code
|
|---|
| 189 | * @param pInterface Pointer to this interface structure.
|
|---|
| 190 | * @param Address Guest physical address.
|
|---|
| 191 | * @param pValue Place to store read value.
|
|---|
| 192 | * @param cb Access width.
|
|---|
| 193 | *
|
|---|
| 194 | * @thread EMT thread.
|
|---|
| 195 | */
|
|---|
| 196 |
|
|---|
| 197 | DECLR3CALLBACKMEMBER(int, pfnMmioRead, (PPDMIPCIRAWUP pInterface,
|
|---|
| 198 | RTR0PTR Address,
|
|---|
| 199 | void *pValue,
|
|---|
| 200 | unsigned cb
|
|---|
| 201 | ));
|
|---|
| 202 |
|
|---|
| 203 | /**
|
|---|
| 204 | * Host PCI config space accessors.
|
|---|
| 205 | */
|
|---|
| 206 | /**
|
|---|
| 207 | * Request driver to write value to host device's PCI config space.
|
|---|
| 208 | * Host specific way (PIO or MCFG) is used to perform actual operation.
|
|---|
| 209 | *
|
|---|
| 210 | * @returns status code
|
|---|
| 211 | * @param pInterface Pointer to this interface structure.
|
|---|
| 212 | * @param iOffset Offset in PCI config space.
|
|---|
| 213 | * @param iValue Value to write.
|
|---|
| 214 | * @param cb Access width.
|
|---|
| 215 | *
|
|---|
| 216 | * @thread EMT thread.
|
|---|
| 217 | */
|
|---|
| 218 | DECLR3CALLBACKMEMBER(int, pfnPciCfgWrite, (PPDMIPCIRAWUP pInterface,
|
|---|
| 219 | uint32_t iOffset,
|
|---|
| 220 | void* pValue,
|
|---|
| 221 | unsigned cb
|
|---|
| 222 | ));
|
|---|
| 223 | /**
|
|---|
| 224 | * Request driver to read value from host device's PCI config space.
|
|---|
| 225 | * Host specific way (PIO or MCFG) is used to perform actual operation.
|
|---|
| 226 | *
|
|---|
| 227 | * @returns status code
|
|---|
| 228 | * @param pInterface Pointer to this interface structure.
|
|---|
| 229 | * @param iOffset Offset in PCI config space.
|
|---|
| 230 | * @param pValue Where to store read value.
|
|---|
| 231 | * @param cb Access width.
|
|---|
| 232 | *
|
|---|
| 233 | * @thread EMT thread.
|
|---|
| 234 | */
|
|---|
| 235 | DECLR3CALLBACKMEMBER(int, pfnPciCfgRead, (PPDMIPCIRAWUP pInterface,
|
|---|
| 236 | uint32_t iOffset,
|
|---|
| 237 | void *pValue,
|
|---|
| 238 | unsigned cb ));
|
|---|
| 239 |
|
|---|
| 240 | /**
|
|---|
| 241 | * Request to enable interrupt notifications. Please note that this is purely
|
|---|
| 242 | * R3 interface, so it's up to implementor to perform necessary machinery
|
|---|
| 243 | * for communications with host OS kernel driver. Typical implementation will start
|
|---|
| 244 | * userland thread waiting on shared semaphore (such as using SUPSEMEVENT),
|
|---|
| 245 | * notified by the kernel interrupt handler, and then will call
|
|---|
| 246 | * upper port pfnInterruptRequest() based on data provided by the driver.
|
|---|
| 247 | * This apporach is taken, as calling VBox code from an asyncronous R0
|
|---|
| 248 | * interrupt handler when VMM may not be even running doesn't look
|
|---|
| 249 | * like a good idea.
|
|---|
| 250 | *
|
|---|
| 251 | * @returns status code
|
|---|
| 252 | * @param pInterface Pointer to this interface structure.
|
|---|
| 253 | * @param pListener Pointer to the listener object.
|
|---|
| 254 | * @param iGuestIrq Guest IRQ to be passed to pfnInterruptRequest().
|
|---|
| 255 | *
|
|---|
| 256 | * @thread Any thread, pfnInterruptRequest() will be usually invoked on a dedicated thread.
|
|---|
| 257 | */
|
|---|
| 258 | DECLR3CALLBACKMEMBER(int, pfnEnableInterruptNotifications, (PPDMIPCIRAWUP pInterface, int32_t iGuestIrq
|
|---|
| 259 | ));
|
|---|
| 260 |
|
|---|
| 261 | /**
|
|---|
| 262 | * Request to disable interrupt notifications.
|
|---|
| 263 | *
|
|---|
| 264 | * @returns status code
|
|---|
| 265 | * @param pInterface Pointer to this interface structure.
|
|---|
| 266 | *
|
|---|
| 267 | * @thread Any thread.
|
|---|
| 268 | */
|
|---|
| 269 | DECLR3CALLBACKMEMBER(int, pfnDisableInterruptNotifications, (PPDMIPCIRAWUP pInterface
|
|---|
| 270 | ));
|
|---|
| 271 |
|
|---|
| 272 | /**
|
|---|
| 273 | * Notification APIs.
|
|---|
| 274 | */
|
|---|
| 275 |
|
|---|
| 276 | /**
|
|---|
| 277 | * Notify driver when raw PCI device construction starts. Have to be the first operation
|
|---|
| 278 | * as initializes internal state and opens host device driver.
|
|---|
| 279 | *
|
|---|
| 280 | * @returns status code
|
|---|
| 281 | * @param pInterface Pointer to this interface structure.
|
|---|
| 282 | * @param iHostAddress Host PCI address of device attached.
|
|---|
| 283 | * @param iGuestAddress Guest PCI address of device attached.
|
|---|
| 284 | * @param szDeviceName Human readable device name.
|
|---|
| 285 | * @param fDeviceFlags Flags for the host device.
|
|---|
| 286 | * @param pu32Flags Flags for virtual device, from the upper driver.
|
|---|
| 287 | *
|
|---|
| 288 | * @thread Any thread.
|
|---|
| 289 | */
|
|---|
| 290 | DECLR3CALLBACKMEMBER(int, pfnPciDeviceConstructStart, (PPDMIPCIRAWUP pInterface,
|
|---|
| 291 | uint32_t iHostAddress,
|
|---|
| 292 | uint32_t iGuestAddress,
|
|---|
| 293 | const char* szDeviceName,
|
|---|
| 294 | uint32_t fDeviceFlags,
|
|---|
| 295 | uint32_t *pu32Flags));
|
|---|
| 296 |
|
|---|
| 297 | /**
|
|---|
| 298 | * Notify driver when raw PCI device construction completes, so that it may
|
|---|
| 299 | * perform further actions depending on success or failure of this operation.
|
|---|
| 300 | * Standard action is to raise global IHostPciDevicePlugEvent.
|
|---|
| 301 | *
|
|---|
| 302 | * @param pInterface Pointer to this interface structure.
|
|---|
| 303 | * @param rc Result code of the operation.
|
|---|
| 304 | *
|
|---|
| 305 | * @thread Any thread.
|
|---|
| 306 | */
|
|---|
| 307 | DECLR3CALLBACKMEMBER(void, pfnPciDeviceConstructComplete, (PPDMIPCIRAWUP pInterface,
|
|---|
| 308 | int rc));
|
|---|
| 309 |
|
|---|
| 310 | /**
|
|---|
| 311 | * Notify driver on finalization of raw PCI device.
|
|---|
| 312 | *
|
|---|
| 313 | * @param pInterface Pointer to this interface structure.
|
|---|
| 314 | *
|
|---|
| 315 | * @thread Any thread.
|
|---|
| 316 | */
|
|---|
| 317 | DECLR3CALLBACKMEMBER(int, pfnPciDeviceDestruct, (PPDMIPCIRAWUP pInterface,
|
|---|
| 318 | uint32_t fFlags));
|
|---|
| 319 |
|
|---|
| 320 | /**
|
|---|
| 321 | * Notify driver on guest power state change.
|
|---|
| 322 | *
|
|---|
| 323 | * @param pInterface Pointer to this interface structure.
|
|---|
| 324 | * @param aState New power state.
|
|---|
| 325 | * @param pu64Param State-specific in/out parameter. For now only used during power-on to provide VM caps.
|
|---|
| 326 | *
|
|---|
| 327 | * @thread Any thread.
|
|---|
| 328 | */
|
|---|
| 329 | DECLR3CALLBACKMEMBER(int, pfnPciDevicePowerStateChange, (PPDMIPCIRAWUP pInterface,
|
|---|
| 330 | PCIRAWPOWERSTATE aState,
|
|---|
| 331 | uint64_t *pu64Param));
|
|---|
| 332 |
|
|---|
| 333 | /**
|
|---|
| 334 | * Notify driver about runtime error.
|
|---|
| 335 | *
|
|---|
| 336 | * @param pInterface Pointer to this interface structure.
|
|---|
| 337 | * @param fFatal If error is fatal.
|
|---|
| 338 | * @param szErrorId Error ID.
|
|---|
| 339 | * @param szMessage Error message.
|
|---|
| 340 | *
|
|---|
| 341 | * @thread Any thread.
|
|---|
| 342 | */
|
|---|
| 343 | DECLR3CALLBACKMEMBER(int, pfnReportRuntimeError, (PPDMIPCIRAWUP pInterface,
|
|---|
| 344 | uint8_t fFatal,
|
|---|
| 345 | const char* szErrorId,
|
|---|
| 346 | const char* szMessage));
|
|---|
| 347 | } PDMIPCIRAWUP;
|
|---|
| 348 |
|
|---|
| 349 | /**
|
|---|
| 350 | * Init R0 PCI module.
|
|---|
| 351 | */
|
|---|
| 352 | PCIRAWR0DECL(int) PciRawR0Init(void);
|
|---|
| 353 | /**
|
|---|
| 354 | * Process request (in R0).
|
|---|
| 355 | */
|
|---|
| 356 | PCIRAWR0DECL(int) PciRawR0ProcessReq(PSUPDRVSESSION pSession, PVM pVM, PPCIRAWSENDREQ pReq);
|
|---|
| 357 | /**
|
|---|
| 358 | * Terminate R0 PCI module.
|
|---|
| 359 | */
|
|---|
| 360 | PCIRAWR0DECL(void) PciRawR0Term(void);
|
|---|
| 361 |
|
|---|
| 362 | /**
|
|---|
| 363 | * Per-VM R0 module init.
|
|---|
| 364 | */
|
|---|
| 365 | PCIRAWR0DECL(int) PciRawR0InitVM(PVM pVM);
|
|---|
| 366 |
|
|---|
| 367 | /**
|
|---|
| 368 | * Per-VM R0 module termination routine.
|
|---|
| 369 | */
|
|---|
| 370 | PCIRAWR0DECL(void) PciRawR0TermVM(PVM pVM);
|
|---|
| 371 |
|
|---|
| 372 | /**
|
|---|
| 373 | * Flags returned by pfnPciDeviceConstructStart(), to notify device
|
|---|
| 374 | * how it shall handle device IO traffic.
|
|---|
| 375 | */
|
|---|
| 376 | typedef enum PCIRAWDEVICEFLAGS
|
|---|
| 377 | {
|
|---|
| 378 | /** Intercept port IO (R3 PIO always go to the driver). */
|
|---|
| 379 | PCIRAWRFLAG_CAPTURE_PIO = (1 << 0),
|
|---|
| 380 | /** Intercept MMIO. */
|
|---|
| 381 | PCIRAWRFLAG_CAPTURE_MMIO = (1 << 1),
|
|---|
| 382 | /** Allow bus mastering by physical device (requires IOMMU). */
|
|---|
| 383 | PCIRAWRFLAG_ALLOW_BM = (1 << 2),
|
|---|
| 384 | /** Allow R3 MMIO mapping. */
|
|---|
| 385 | PCIRAWRFLAG_ALLOW_R3MAP = (1 << 3),
|
|---|
| 386 |
|
|---|
| 387 | /** The usual 32-bit type blow up. */
|
|---|
| 388 | PCIRAWRFLAG_32BIT_HACK = 0x7fffffff
|
|---|
| 389 | } PCIRAWDEVICEFLAGS;
|
|---|
| 390 |
|
|---|
| 391 | #define PDMIPCIRAWUP_IID "06daa17f-097b-4ebe-a626-15f467b1de12"
|
|---|
| 392 | #define PDMIPCIRAW_IID "68c6e4c4-4223-47e0-9134-e3c297992543"
|
|---|
| 393 |
|
|---|
| 394 | /** @} */
|
|---|
| 395 |
|
|---|
| 396 | RT_C_DECLS_END
|
|---|
| 397 |
|
|---|
| 398 | #endif
|
|---|
