| 1 | /* |
| 2 | * VMware PVSCSI header file |
| 3 | * |
| 4 | * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; version 2 of the License and no later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| 13 | * NON INFRINGEMENT. See the GNU General Public License for more |
| 14 | * details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, see |
| 18 | * <https://www.gnu.org/licenses/>. |
| 19 | * |
| 20 | * Maintained by: Arvind Kumar <arvindkumar@vmware.com> |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef VMW_PVSCSI_H |
| 25 | #define VMW_PVSCSI_H |
| 26 | |
| 27 | #define VMW_PAGE_SIZE (4096) |
| 28 | #define VMW_PAGE_SHIFT (12) |
| 29 | |
| 30 | #define MASK(n) ((1 << (n)) - 1) /* make an n-bit mask */ |
| 31 | |
| 32 | /* |
| 33 | * host adapter status/error codes |
| 34 | */ |
| 35 | enum HostBusAdapterStatus { |
| 36 | BTSTAT_SUCCESS = 0x00, /* CCB complete normally with no errors */ |
| 37 | BTSTAT_LINKED_COMMAND_COMPLETED = 0x0a, |
| 38 | BTSTAT_LINKED_COMMAND_COMPLETED_WITH_FLAG = 0x0b, |
| 39 | BTSTAT_DATA_UNDERRUN = 0x0c, |
| 40 | BTSTAT_SELTIMEO = 0x11, /* SCSI selection timeout */ |
| 41 | BTSTAT_DATARUN = 0x12, /* data overrun/underrun */ |
| 42 | BTSTAT_BUSFREE = 0x13, /* unexpected bus free */ |
| 43 | BTSTAT_INVPHASE = 0x14, /* invalid bus phase or sequence */ |
| 44 | /* requested by target */ |
| 45 | BTSTAT_LUNMISMATCH = 0x17, /* linked CCB has different LUN */ |
| 46 | /* from first CCB */ |
| 47 | BTSTAT_SENSFAILED = 0x1b, /* auto request sense failed */ |
| 48 | BTSTAT_TAGREJECT = 0x1c, /* SCSI II tagged queueing message */ |
| 49 | /* rejected by target */ |
| 50 | BTSTAT_BADMSG = 0x1d, /* unsupported message received by */ |
| 51 | /* the host adapter */ |
| 52 | BTSTAT_HAHARDWARE = 0x20, /* host adapter hardware failed */ |
| 53 | BTSTAT_NORESPONSE = 0x21, /* target did not respond to SCSI ATN, */ |
| 54 | /* sent a SCSI RST */ |
| 55 | BTSTAT_SENTRST = 0x22, /* host adapter asserted a SCSI RST */ |
| 56 | BTSTAT_RECVRST = 0x23, /* other SCSI devices asserted a SCSI RST */ |
| 57 | BTSTAT_DISCONNECT = 0x24, /* target device reconnected improperly */ |
| 58 | /* (w/o tag) */ |
| 59 | BTSTAT_BUSRESET = 0x25, /* host adapter issued BUS device reset */ |
| 60 | BTSTAT_ABORTQUEUE = 0x26, /* abort queue generated */ |
| 61 | BTSTAT_HASOFTWARE = 0x27, /* host adapter software error */ |
| 62 | BTSTAT_HATIMEOUT = 0x30, /* host adapter hardware timeout error */ |
| 63 | BTSTAT_SCSIPARITY = 0x34, /* SCSI parity error detected */ |
| 64 | }; |
| 65 | |
| 66 | /* |
| 67 | * Register offsets. |
| 68 | * |
| 69 | * These registers are accessible both via i/o space and mm i/o. |
| 70 | */ |
| 71 | |
| 72 | enum PVSCSIRegOffset { |
| 73 | PVSCSI_REG_OFFSET_COMMAND = 0x0, |
| 74 | PVSCSI_REG_OFFSET_COMMAND_DATA = 0x4, |
| 75 | PVSCSI_REG_OFFSET_COMMAND_STATUS = 0x8, |
| 76 | PVSCSI_REG_OFFSET_LAST_STS_0 = 0x100, |
| 77 | PVSCSI_REG_OFFSET_LAST_STS_1 = 0x104, |
| 78 | PVSCSI_REG_OFFSET_LAST_STS_2 = 0x108, |
| 79 | PVSCSI_REG_OFFSET_LAST_STS_3 = 0x10c, |
| 80 | PVSCSI_REG_OFFSET_INTR_STATUS = 0x100c, |
| 81 | PVSCSI_REG_OFFSET_INTR_MASK = 0x2010, |
| 82 | PVSCSI_REG_OFFSET_KICK_NON_RW_IO = 0x3014, |
| 83 | PVSCSI_REG_OFFSET_DEBUG = 0x3018, |
| 84 | PVSCSI_REG_OFFSET_KICK_RW_IO = 0x4018, |
| 85 | }; |
| 86 | |
| 87 | /* |
| 88 | * Virtual h/w commands. |
| 89 | */ |
| 90 | |
| 91 | enum PVSCSICommands { |
| 92 | PVSCSI_CMD_FIRST = 0, /* has to be first */ |
| 93 | |
| 94 | PVSCSI_CMD_ADAPTER_RESET = 1, |
| 95 | PVSCSI_CMD_ISSUE_SCSI = 2, |
| 96 | PVSCSI_CMD_SETUP_RINGS = 3, |
| 97 | PVSCSI_CMD_RESET_BUS = 4, |
| 98 | PVSCSI_CMD_RESET_DEVICE = 5, |
| 99 | PVSCSI_CMD_ABORT_CMD = 6, |
| 100 | PVSCSI_CMD_CONFIG = 7, |
| 101 | PVSCSI_CMD_SETUP_MSG_RING = 8, |
| 102 | PVSCSI_CMD_DEVICE_UNPLUG = 9, |
| 103 | |
| 104 | PVSCSI_CMD_LAST = 10 /* has to be last */ |
| 105 | }; |
| 106 | |
| 107 | #define PVSCSI_COMMAND_PROCESSING_SUCCEEDED (0) |
| 108 | #define PVSCSI_COMMAND_PROCESSING_FAILED (-1) |
| 109 | #define PVSCSI_COMMAND_NOT_ENOUGH_DATA (-2) |
| 110 | |
| 111 | /* |
| 112 | * About endianess for the below structs: |
| 113 | * |
| 114 | * These structs are used to describe the data that is exchanged between the |
| 115 | * guest and the PVSCSI device. The endianess of the fields in these structs |
| 116 | * is not defined by any standard. The current implemented drivers are designed |
| 117 | * to only work on x86 architecture, so there is no endianess awareness in the |
| 118 | * drivers and thus we have no idea whether the fields should be in little- |
| 119 | * endian or target native endian format. |
| 120 | * |
| 121 | * Considering the above, we assume that PVSCSI is implicitly little-endian and |
| 122 | * expect the fields in these structs to be in little-endian format. |
| 123 | */ |
| 124 | |
| 125 | /* |
| 126 | * Command descriptor for PVSCSI_CMD_RESET_DEVICE -- |
| 127 | */ |
| 128 | |
| 129 | struct PVSCSICmdDescResetDevice { |
| 130 | uint32_t target; |
| 131 | uint8_t lun[8]; |
| 132 | } QEMU_PACKED; |
| 133 | |
| 134 | typedef struct PVSCSICmdDescResetDevice PVSCSICmdDescResetDevice; |
| 135 | |
| 136 | /* |
| 137 | * Command descriptor for PVSCSI_CMD_ABORT_CMD -- |
| 138 | * |
| 139 | * - currently does not support specifying the LUN. |
| 140 | * - pad should be 0. |
| 141 | */ |
| 142 | |
| 143 | struct PVSCSICmdDescAbortCmd { |
| 144 | uint64_t context; |
| 145 | uint32_t target; |
| 146 | uint32_t pad; |
| 147 | } QEMU_PACKED; |
| 148 | |
| 149 | typedef struct PVSCSICmdDescAbortCmd PVSCSICmdDescAbortCmd; |
| 150 | |
| 151 | /* |
| 152 | * Command descriptor for PVSCSI_CMD_SETUP_RINGS -- |
| 153 | * |
| 154 | * Notes: |
| 155 | * - reqRingNumPages and cmpRingNumPages need to be power of two. |
| 156 | * - reqRingNumPages and cmpRingNumPages need to be different from 0, |
| 157 | * - reqRingNumPages and cmpRingNumPages need to be inferior to |
| 158 | * PVSCSI_SETUP_RINGS_MAX_NUM_PAGES. |
| 159 | */ |
| 160 | |
| 161 | #define PVSCSI_SETUP_RINGS_MAX_NUM_PAGES 32 |
| 162 | struct PVSCSICmdDescSetupRings { |
| 163 | uint32_t reqRingNumPages; |
| 164 | uint32_t cmpRingNumPages; |
| 165 | uint64_t ringsStatePPN; |
| 166 | uint64_t reqRingPPNs[PVSCSI_SETUP_RINGS_MAX_NUM_PAGES]; |
| 167 | uint64_t cmpRingPPNs[PVSCSI_SETUP_RINGS_MAX_NUM_PAGES]; |
| 168 | } QEMU_PACKED; |
| 169 | |
| 170 | typedef struct PVSCSICmdDescSetupRings PVSCSICmdDescSetupRings; |
| 171 | |
| 172 | /* |
| 173 | * Command descriptor for PVSCSI_CMD_SETUP_MSG_RING -- |
| 174 | * |
| 175 | * Notes: |
| 176 | * - this command was not supported in the initial revision of the h/w |
| 177 | * interface. Before using it, you need to check that it is supported by |
| 178 | * writing PVSCSI_CMD_SETUP_MSG_RING to the 'command' register, then |
| 179 | * immediately after read the 'command status' register: |
| 180 | * * a value of -1 means that the cmd is NOT supported, |
| 181 | * * a value != -1 means that the cmd IS supported. |
| 182 | * If it's supported the 'command status' register should return: |
| 183 | * sizeof(PVSCSICmdDescSetupMsgRing) / sizeof(uint32_t). |
| 184 | * - this command should be issued _after_ the usual SETUP_RINGS so that the |
| 185 | * RingsState page is already setup. If not, the command is a nop. |
| 186 | * - numPages needs to be a power of two, |
| 187 | * - numPages needs to be different from 0, |
| 188 | * - pad should be zero. |
| 189 | */ |
| 190 | |
| 191 | #define PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES 16 |
| 192 | |
| 193 | struct PVSCSICmdDescSetupMsgRing { |
| 194 | uint32_t numPages; |
| 195 | uint32_t pad; |
| 196 | uint64_t ringPPNs[PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES]; |
| 197 | } QEMU_PACKED; |
| 198 | |
| 199 | typedef struct PVSCSICmdDescSetupMsgRing PVSCSICmdDescSetupMsgRing; |
| 200 | |
| 201 | enum PVSCSIMsgType { |
| 202 | PVSCSI_MSG_DEV_ADDED = 0, |
| 203 | PVSCSI_MSG_DEV_REMOVED = 1, |
| 204 | PVSCSI_MSG_LAST = 2, |
| 205 | }; |
| 206 | |
| 207 | /* |
| 208 | * Msg descriptor. |
| 209 | * |
| 210 | * sizeof(struct PVSCSIRingMsgDesc) == 128. |
| 211 | * |
| 212 | * - type is of type enum PVSCSIMsgType. |
| 213 | * - the content of args depend on the type of event being delivered. |
| 214 | */ |
| 215 | |
| 216 | struct PVSCSIRingMsgDesc { |
| 217 | uint32_t type; |
| 218 | uint32_t args[31]; |
| 219 | } QEMU_PACKED; |
| 220 | |
| 221 | typedef struct PVSCSIRingMsgDesc PVSCSIRingMsgDesc; |
| 222 | |
| 223 | struct PVSCSIMsgDescDevStatusChanged { |
| 224 | uint32_t type; /* PVSCSI_MSG_DEV _ADDED / _REMOVED */ |
| 225 | uint32_t bus; |
| 226 | uint32_t target; |
| 227 | uint8_t lun[8]; |
| 228 | uint32_t pad[27]; |
| 229 | } QEMU_PACKED; |
| 230 | |
| 231 | typedef struct PVSCSIMsgDescDevStatusChanged PVSCSIMsgDescDevStatusChanged; |
| 232 | |
| 233 | /* |
| 234 | * Rings state. |
| 235 | * |
| 236 | * - the fields: |
| 237 | * . msgProdIdx, |
| 238 | * . msgConsIdx, |
| 239 | * . msgNumEntriesLog2, |
| 240 | * .. are only used once the SETUP_MSG_RING cmd has been issued. |
| 241 | * - 'pad' helps to ensure that the msg related fields are on their own |
| 242 | * cache-line. |
| 243 | */ |
| 244 | |
| 245 | struct PVSCSIRingsState { |
| 246 | uint32_t reqProdIdx; |
| 247 | uint32_t reqConsIdx; |
| 248 | uint32_t reqNumEntriesLog2; |
| 249 | |
| 250 | uint32_t cmpProdIdx; |
| 251 | uint32_t cmpConsIdx; |
| 252 | uint32_t cmpNumEntriesLog2; |
| 253 | |
| 254 | uint8_t pad[104]; |
| 255 | |
| 256 | uint32_t msgProdIdx; |
| 257 | uint32_t msgConsIdx; |
| 258 | uint32_t msgNumEntriesLog2; |
| 259 | } QEMU_PACKED; |
| 260 | |
| 261 | typedef struct PVSCSIRingsState PVSCSIRingsState; |
| 262 | |
| 263 | /* |
| 264 | * Request descriptor. |
| 265 | * |
| 266 | * sizeof(RingReqDesc) = 128 |
| 267 | * |
| 268 | * - context: is a unique identifier of a command. It could normally be any |
| 269 | * 64bit value, however we currently store it in the serialNumber variable |
| 270 | * of struct SCSI_Command, so we have the following restrictions due to the |
| 271 | * way this field is handled in the vmkernel storage stack: |
| 272 | * * this value can't be 0, |
| 273 | * * the upper 32bit need to be 0 since serialNumber is as a uint32_t. |
| 274 | * Currently tracked as PR 292060. |
| 275 | * - dataLen: contains the total number of bytes that need to be transferred. |
| 276 | * - dataAddr: |
| 277 | * * if PVSCSI_FLAG_CMD_WITH_SG_LIST is set: dataAddr is the PA of the first |
| 278 | * s/g table segment, each s/g segment is entirely contained on a single |
| 279 | * page of physical memory, |
| 280 | * * if PVSCSI_FLAG_CMD_WITH_SG_LIST is NOT set, then dataAddr is the PA of |
| 281 | * the buffer used for the DMA transfer, |
| 282 | * - flags: |
| 283 | * * PVSCSI_FLAG_CMD_WITH_SG_LIST: see dataAddr above, |
| 284 | * * PVSCSI_FLAG_CMD_DIR_NONE: no DMA involved, |
| 285 | * * PVSCSI_FLAG_CMD_DIR_TOHOST: transfer from device to main memory, |
| 286 | * * PVSCSI_FLAG_CMD_DIR_TODEVICE: transfer from main memory to device, |
| 287 | * * PVSCSI_FLAG_CMD_OUT_OF_BAND_CDB: reserved to handle CDBs larger than |
| 288 | * 16bytes. To be specified. |
| 289 | * - vcpuHint: vcpuId of the processor that will be most likely waiting for the |
| 290 | * completion of the i/o. For guest OSes that use lowest priority message |
| 291 | * delivery mode (such as windows), we use this "hint" to deliver the |
| 292 | * completion action to the proper vcpu. For now, we can use the vcpuId of |
| 293 | * the processor that initiated the i/o as a likely candidate for the vcpu |
| 294 | * that will be waiting for the completion.. |
| 295 | * - bus should be 0: we currently only support bus 0 for now. |
| 296 | * - unused should be zero'd. |
| 297 | */ |
| 298 | |
| 299 | #define PVSCSI_FLAG_CMD_WITH_SG_LIST (1 << 0) |
| 300 | #define PVSCSI_FLAG_CMD_OUT_OF_BAND_CDB (1 << 1) |
| 301 | #define PVSCSI_FLAG_CMD_DIR_NONE (1 << 2) |
| 302 | #define PVSCSI_FLAG_CMD_DIR_TOHOST (1 << 3) |
| 303 | #define PVSCSI_FLAG_CMD_DIR_TODEVICE (1 << 4) |
| 304 | |
| 305 | #define PVSCSI_KNOWN_FLAGS \ |
| 306 | (PVSCSI_FLAG_CMD_WITH_SG_LIST | \ |
| 307 | PVSCSI_FLAG_CMD_OUT_OF_BAND_CDB | \ |
| 308 | PVSCSI_FLAG_CMD_DIR_NONE | \ |
| 309 | PVSCSI_FLAG_CMD_DIR_TOHOST | \ |
| 310 | PVSCSI_FLAG_CMD_DIR_TODEVICE) |
| 311 | |
| 312 | struct PVSCSIRingReqDesc { |
| 313 | uint64_t context; |
| 314 | uint64_t dataAddr; |
| 315 | uint64_t dataLen; |
| 316 | uint64_t senseAddr; |
| 317 | uint32_t senseLen; |
| 318 | uint32_t flags; |
| 319 | uint8_t cdb[16]; |
| 320 | uint8_t cdbLen; |
| 321 | uint8_t lun[8]; |
| 322 | uint8_t tag; |
| 323 | uint8_t bus; |
| 324 | uint8_t target; |
| 325 | uint8_t vcpuHint; |
| 326 | uint8_t unused[59]; |
| 327 | } QEMU_PACKED; |
| 328 | |
| 329 | typedef struct PVSCSIRingReqDesc PVSCSIRingReqDesc; |
| 330 | |
| 331 | /* |
| 332 | * Scatter-gather list management. |
| 333 | * |
| 334 | * As described above, when PVSCSI_FLAG_CMD_WITH_SG_LIST is set in the |
| 335 | * RingReqDesc.flags, then RingReqDesc.dataAddr is the PA of the first s/g |
| 336 | * table segment. |
| 337 | * |
| 338 | * - each segment of the s/g table contain a succession of struct |
| 339 | * PVSCSISGElement. |
| 340 | * - each segment is entirely contained on a single physical page of memory. |
| 341 | * - a "chain" s/g element has the flag PVSCSI_SGE_FLAG_CHAIN_ELEMENT set in |
| 342 | * PVSCSISGElement.flags and in this case: |
| 343 | * * addr is the PA of the next s/g segment, |
| 344 | * * length is undefined, assumed to be 0. |
| 345 | */ |
| 346 | |
| 347 | struct PVSCSISGElement { |
| 348 | uint64_t addr; |
| 349 | uint32_t length; |
| 350 | uint32_t flags; |
| 351 | } QEMU_PACKED; |
| 352 | |
| 353 | typedef struct PVSCSISGElement PVSCSISGElement; |
| 354 | |
| 355 | /* |
| 356 | * Completion descriptor. |
| 357 | * |
| 358 | * sizeof(RingCmpDesc) = 32 |
| 359 | * |
| 360 | * - context: identifier of the command. The same thing that was specified |
| 361 | * under "context" as part of struct RingReqDesc at initiation time, |
| 362 | * - dataLen: number of bytes transferred for the actual i/o operation, |
| 363 | * - senseLen: number of bytes written into the sense buffer, |
| 364 | * - hostStatus: adapter status, |
| 365 | * - scsiStatus: device status, |
| 366 | * - pad should be zero. |
| 367 | */ |
| 368 | |
| 369 | struct PVSCSIRingCmpDesc { |
| 370 | uint64_t context; |
| 371 | uint64_t dataLen; |
| 372 | uint32_t senseLen; |
| 373 | uint16_t hostStatus; |
| 374 | uint16_t scsiStatus; |
| 375 | uint32_t pad[2]; |
| 376 | } QEMU_PACKED; |
| 377 | |
| 378 | typedef struct PVSCSIRingCmpDesc PVSCSIRingCmpDesc; |
| 379 | |
| 380 | /* |
| 381 | * Interrupt status / IRQ bits. |
| 382 | */ |
| 383 | |
| 384 | #define PVSCSI_INTR_CMPL_0 (1 << 0) |
| 385 | #define PVSCSI_INTR_CMPL_1 (1 << 1) |
| 386 | #define PVSCSI_INTR_CMPL_MASK MASK(2) |
| 387 | |
| 388 | #define PVSCSI_INTR_MSG_0 (1 << 2) |
| 389 | #define PVSCSI_INTR_MSG_1 (1 << 3) |
| 390 | #define PVSCSI_INTR_MSG_MASK (MASK(2) << 2) |
| 391 | |
| 392 | #define PVSCSI_INTR_ALL_SUPPORTED MASK(4) |
| 393 | |
| 394 | /* |
| 395 | * Number of MSI-X vectors supported. |
| 396 | */ |
| 397 | #define PVSCSI_MAX_INTRS 24 |
| 398 | |
| 399 | /* |
| 400 | * Enumeration of supported MSI-X vectors |
| 401 | */ |
| 402 | #define PVSCSI_VECTOR_COMPLETION 0 |
| 403 | |
| 404 | /* |
| 405 | * Misc constants for the rings. |
| 406 | */ |
| 407 | |
| 408 | #define PVSCSI_MAX_NUM_PAGES_REQ_RING PVSCSI_SETUP_RINGS_MAX_NUM_PAGES |
| 409 | #define PVSCSI_MAX_NUM_PAGES_CMP_RING PVSCSI_SETUP_RINGS_MAX_NUM_PAGES |
| 410 | #define PVSCSI_MAX_NUM_PAGES_MSG_RING PVSCSI_SETUP_MSG_RING_MAX_NUM_PAGES |
| 411 | |
| 412 | #define PVSCSI_MAX_NUM_REQ_ENTRIES_PER_PAGE \ |
| 413 | (VMW_PAGE_SIZE / sizeof(struct PVSCSIRingReqDesc)) |
| 414 | |
| 415 | #define PVSCSI_MAX_NUM_CMP_ENTRIES_PER_PAGE \ |
| 416 | (VMW_PAGE_SIZE / sizeof(PVSCSIRingCmpDesc)) |
| 417 | |
| 418 | #define PVSCSI_MAX_NUM_MSG_ENTRIES_PER_PAGE \ |
| 419 | (VMW_PAGE_SIZE / sizeof(PVSCSIRingMsgDesc)) |
| 420 | |
| 421 | #define PVSCSI_MAX_REQ_QUEUE_DEPTH \ |
| 422 | (PVSCSI_MAX_NUM_PAGES_REQ_RING * PVSCSI_MAX_NUM_REQ_ENTRIES_PER_PAGE) |
| 423 | |
| 424 | #define PVSCSI_MEM_SPACE_COMMAND_NUM_PAGES 1 |
| 425 | #define PVSCSI_MEM_SPACE_INTR_STATUS_NUM_PAGES 1 |
| 426 | #define PVSCSI_MEM_SPACE_MISC_NUM_PAGES 2 |
| 427 | #define PVSCSI_MEM_SPACE_KICK_IO_NUM_PAGES 2 |
| 428 | #define PVSCSI_MEM_SPACE_MSIX_NUM_PAGES 2 |
| 429 | |
| 430 | enum PVSCSIMemSpace { |
| 431 | PVSCSI_MEM_SPACE_COMMAND_PAGE = 0, |
| 432 | PVSCSI_MEM_SPACE_INTR_STATUS_PAGE = 1, |
| 433 | PVSCSI_MEM_SPACE_MISC_PAGE = 2, |
| 434 | PVSCSI_MEM_SPACE_KICK_IO_PAGE = 4, |
| 435 | PVSCSI_MEM_SPACE_MSIX_TABLE_PAGE = 6, |
| 436 | PVSCSI_MEM_SPACE_MSIX_PBA_PAGE = 7, |
| 437 | }; |
| 438 | |
| 439 | #define PVSCSI_MEM_SPACE_NUM_PAGES \ |
| 440 | (PVSCSI_MEM_SPACE_COMMAND_NUM_PAGES + \ |
| 441 | PVSCSI_MEM_SPACE_INTR_STATUS_NUM_PAGES + \ |
| 442 | PVSCSI_MEM_SPACE_MISC_NUM_PAGES + \ |
| 443 | PVSCSI_MEM_SPACE_KICK_IO_NUM_PAGES + \ |
| 444 | PVSCSI_MEM_SPACE_MSIX_NUM_PAGES) |
| 445 | |
| 446 | #define PVSCSI_MEM_SPACE_SIZE (PVSCSI_MEM_SPACE_NUM_PAGES * VMW_PAGE_SIZE) |
| 447 | |
| 448 | #endif /* VMW_PVSCSI_H */ |