| 1 | /** @file\r |
| 2 | \r |
| 3 | This driver produces Extended SCSI Pass Thru Protocol instances for\r |
| 4 | LSI Fusion MPT SCSI devices.\r |
| 5 | \r |
| 6 | Copyright (C) 2020, Oracle and/or its affiliates.\r |
| 7 | \r |
| 8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 9 | \r |
| 10 | **/\r |
| 11 | \r |
| 12 | #include <IndustryStandard/FusionMptScsi.h>\r |
| 13 | #include <IndustryStandard/Pci.h>\r |
| 14 | #include <Library/BaseLib.h>\r |
| 15 | #include <Library/BaseMemoryLib.h>\r |
| 16 | #include <Library/DebugLib.h>\r |
| 17 | #include <Library/MemoryAllocationLib.h>\r |
| 18 | #include <Library/PcdLib.h>\r |
| 19 | #include <Library/UefiBootServicesTableLib.h>\r |
| 20 | #include <Library/UefiLib.h>\r |
| 21 | #include <Protocol/PciIo.h>\r |
| 22 | #include <Protocol/PciRootBridgeIo.h>\r |
| 23 | #include <Protocol/ScsiPassThruExt.h>\r |
| 24 | #include <Uefi/UefiSpec.h>\r |
| 25 | \r |
| 26 | //\r |
| 27 | // Higher versions will be used before lower, 0x10-0xffffffef is the version\r |
| 28 | // range for IVH (Indie Hardware Vendors)\r |
| 29 | //\r |
| 30 | #define MPT_SCSI_BINDING_VERSION 0x10\r |
| 31 | \r |
| 32 | //\r |
| 33 | // Runtime Structures\r |
| 34 | //\r |
| 35 | \r |
| 36 | typedef struct {\r |
| 37 | MPT_SCSI_REQUEST_ALIGNED IoRequest;\r |
| 38 | MPT_SCSI_IO_REPLY_ALIGNED IoReply;\r |
| 39 | //\r |
| 40 | // As EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.SenseDataLength is defined\r |
| 41 | // as UINT8, defining here SenseData size to MAX_UINT8 will guarantee it\r |
| 42 | // cannot overflow when passed to device.\r |
| 43 | //\r |
| 44 | UINT8 Sense[MAX_UINT8];\r |
| 45 | //\r |
| 46 | // This size of the data is arbitrarily chosen.\r |
| 47 | // It seems to be sufficient for all I/O requests sent through\r |
| 48 | // EFI_SCSI_PASS_THRU_PROTOCOL.PassThru() for common boot scenarios.\r |
| 49 | //\r |
| 50 | UINT8 Data[0x2000];\r |
| 51 | } MPT_SCSI_DMA_BUFFER;\r |
| 52 | \r |
| 53 | #define MPT_SCSI_DEV_SIGNATURE SIGNATURE_32 ('M','P','T','S')\r |
| 54 | typedef struct {\r |
| 55 | UINT32 Signature;\r |
| 56 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL PassThru;\r |
| 57 | EFI_EXT_SCSI_PASS_THRU_MODE PassThruMode;\r |
| 58 | UINT8 MaxTarget;\r |
| 59 | UINT32 StallPerPollUsec;\r |
| 60 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
| 61 | UINT64 OriginalPciAttributes;\r |
| 62 | EFI_EVENT ExitBoot;\r |
| 63 | MPT_SCSI_DMA_BUFFER *Dma;\r |
| 64 | EFI_PHYSICAL_ADDRESS DmaPhysical;\r |
| 65 | VOID *DmaMapping;\r |
| 66 | BOOLEAN IoReplyEnqueued;\r |
| 67 | } MPT_SCSI_DEV;\r |
| 68 | \r |
| 69 | #define MPT_SCSI_FROM_PASS_THRU(PassThruPtr) \\r |
| 70 | CR (PassThruPtr, MPT_SCSI_DEV, PassThru, MPT_SCSI_DEV_SIGNATURE)\r |
| 71 | \r |
| 72 | #define MPT_SCSI_DMA_ADDR(Dev, MemberName) \\r |
| 73 | (Dev->DmaPhysical + OFFSET_OF (MPT_SCSI_DMA_BUFFER, MemberName))\r |
| 74 | \r |
| 75 | #define MPT_SCSI_DMA_ADDR_HIGH(Dev, MemberName) \\r |
| 76 | ((UINT32)RShiftU64 (MPT_SCSI_DMA_ADDR (Dev, MemberName), 32))\r |
| 77 | \r |
| 78 | #define MPT_SCSI_DMA_ADDR_LOW(Dev, MemberName) \\r |
| 79 | ((UINT32)MPT_SCSI_DMA_ADDR (Dev, MemberName))\r |
| 80 | \r |
| 81 | //\r |
| 82 | // Hardware functions\r |
| 83 | //\r |
| 84 | \r |
| 85 | STATIC\r |
| 86 | EFI_STATUS\r |
| 87 | Out32 (\r |
| 88 | IN MPT_SCSI_DEV *Dev,\r |
| 89 | IN UINT32 Addr,\r |
| 90 | IN UINT32 Data\r |
| 91 | )\r |
| 92 | {\r |
| 93 | return Dev->PciIo->Io.Write (\r |
| 94 | Dev->PciIo,\r |
| 95 | EfiPciIoWidthUint32,\r |
| 96 | PCI_BAR_IDX0,\r |
| 97 | Addr,\r |
| 98 | 1,\r |
| 99 | &Data\r |
| 100 | );\r |
| 101 | }\r |
| 102 | \r |
| 103 | STATIC\r |
| 104 | EFI_STATUS\r |
| 105 | In32 (\r |
| 106 | IN MPT_SCSI_DEV *Dev,\r |
| 107 | IN UINT32 Addr,\r |
| 108 | OUT UINT32 *Data\r |
| 109 | )\r |
| 110 | {\r |
| 111 | return Dev->PciIo->Io.Read (\r |
| 112 | Dev->PciIo,\r |
| 113 | EfiPciIoWidthUint32,\r |
| 114 | PCI_BAR_IDX0,\r |
| 115 | Addr,\r |
| 116 | 1,\r |
| 117 | Data\r |
| 118 | );\r |
| 119 | }\r |
| 120 | \r |
| 121 | STATIC\r |
| 122 | EFI_STATUS\r |
| 123 | MptDoorbell (\r |
| 124 | IN MPT_SCSI_DEV *Dev,\r |
| 125 | IN UINT8 DoorbellFunc,\r |
| 126 | IN UINT8 DoorbellArg\r |
| 127 | )\r |
| 128 | {\r |
| 129 | return Out32 (\r |
| 130 | Dev,\r |
| 131 | MPT_REG_DOORBELL,\r |
| 132 | (((UINT32)DoorbellFunc) << 24) | (DoorbellArg << 16)\r |
| 133 | );\r |
| 134 | }\r |
| 135 | \r |
| 136 | STATIC\r |
| 137 | EFI_STATUS\r |
| 138 | MptScsiReset (\r |
| 139 | IN MPT_SCSI_DEV *Dev\r |
| 140 | )\r |
| 141 | {\r |
| 142 | EFI_STATUS Status;\r |
| 143 | \r |
| 144 | //\r |
| 145 | // Reset hardware\r |
| 146 | //\r |
| 147 | Status = MptDoorbell (Dev, MPT_DOORBELL_RESET, 0);\r |
| 148 | if (EFI_ERROR (Status)) {\r |
| 149 | return Status;\r |
| 150 | }\r |
| 151 | //\r |
| 152 | // Mask interrupts\r |
| 153 | //\r |
| 154 | Status = Out32 (Dev, MPT_REG_IMASK, MPT_IMASK_DOORBELL | MPT_IMASK_REPLY);\r |
| 155 | if (EFI_ERROR (Status)) {\r |
| 156 | return Status;\r |
| 157 | }\r |
| 158 | //\r |
| 159 | // Clear interrupt status\r |
| 160 | //\r |
| 161 | Status = Out32 (Dev, MPT_REG_ISTATUS, 0);\r |
| 162 | if (EFI_ERROR (Status)) {\r |
| 163 | return Status;\r |
| 164 | }\r |
| 165 | \r |
| 166 | return EFI_SUCCESS;\r |
| 167 | }\r |
| 168 | \r |
| 169 | STATIC\r |
| 170 | EFI_STATUS\r |
| 171 | MptScsiInit (\r |
| 172 | IN MPT_SCSI_DEV *Dev\r |
| 173 | )\r |
| 174 | {\r |
| 175 | EFI_STATUS Status;\r |
| 176 | union {\r |
| 177 | MPT_IO_CONTROLLER_INIT_REQUEST Data;\r |
| 178 | UINT32 Uint32;\r |
| 179 | } AlignedReq;\r |
| 180 | MPT_IO_CONTROLLER_INIT_REQUEST *Req;\r |
| 181 | MPT_IO_CONTROLLER_INIT_REPLY Reply;\r |
| 182 | UINT8 *ReplyBytes;\r |
| 183 | UINT32 ReplyWord;\r |
| 184 | \r |
| 185 | Req = &AlignedReq.Data;\r |
| 186 | \r |
| 187 | Status = MptScsiReset (Dev);\r |
| 188 | if (EFI_ERROR (Status)) {\r |
| 189 | return Status;\r |
| 190 | }\r |
| 191 | \r |
| 192 | ZeroMem (Req, sizeof (*Req));\r |
| 193 | ZeroMem (&Reply, sizeof (Reply));\r |
| 194 | Req->WhoInit = MPT_IOC_WHOINIT_ROM_BIOS;\r |
| 195 | Req->Function = MPT_MESSAGE_HDR_FUNCTION_IOC_INIT;\r |
| 196 | STATIC_ASSERT (\r |
| 197 | FixedPcdGet8 (PcdMptScsiMaxTargetLimit) < 255,\r |
| 198 | "Req supports 255 targets only (max target is 254)"\r |
| 199 | );\r |
| 200 | Req->MaxDevices = Dev->MaxTarget + 1;\r |
| 201 | Req->MaxBuses = 1;\r |
| 202 | Req->ReplyFrameSize = sizeof Dev->Dma->IoReply.Data;\r |
| 203 | Req->HostMfaHighAddr = MPT_SCSI_DMA_ADDR_HIGH (Dev, IoRequest);\r |
| 204 | Req->SenseBufferHighAddr = MPT_SCSI_DMA_ADDR_HIGH (Dev, Sense);\r |
| 205 | \r |
| 206 | //\r |
| 207 | // Send controller init through doorbell\r |
| 208 | //\r |
| 209 | STATIC_ASSERT (\r |
| 210 | sizeof (*Req) % sizeof (UINT32) == 0,\r |
| 211 | "Req must be multiple of UINT32"\r |
| 212 | );\r |
| 213 | STATIC_ASSERT (\r |
| 214 | sizeof (*Req) / sizeof (UINT32) <= MAX_UINT8,\r |
| 215 | "Req must fit in MAX_UINT8 Dwords"\r |
| 216 | );\r |
| 217 | Status = MptDoorbell (\r |
| 218 | Dev,\r |
| 219 | MPT_DOORBELL_HANDSHAKE,\r |
| 220 | (UINT8)(sizeof (*Req) / sizeof (UINT32))\r |
| 221 | );\r |
| 222 | if (EFI_ERROR (Status)) {\r |
| 223 | return Status;\r |
| 224 | }\r |
| 225 | Status = Dev->PciIo->Io.Write (\r |
| 226 | Dev->PciIo,\r |
| 227 | EfiPciIoWidthFifoUint32,\r |
| 228 | PCI_BAR_IDX0,\r |
| 229 | MPT_REG_DOORBELL,\r |
| 230 | sizeof (*Req) / sizeof (UINT32),\r |
| 231 | Req\r |
| 232 | );\r |
| 233 | if (EFI_ERROR (Status)) {\r |
| 234 | return Status;\r |
| 235 | }\r |
| 236 | \r |
| 237 | //\r |
| 238 | // Read reply through doorbell\r |
| 239 | // Each 32bit (Dword) read produces 16bit (Word) of data\r |
| 240 | //\r |
| 241 | // The reply is read back to complete the doorbell function but it\r |
| 242 | // isn't useful because it doesn't contain relevant data or status\r |
| 243 | // codes.\r |
| 244 | //\r |
| 245 | STATIC_ASSERT (\r |
| 246 | sizeof (Reply) % sizeof (UINT16) == 0,\r |
| 247 | "Reply must be multiple of UINT16"\r |
| 248 | );\r |
| 249 | ReplyBytes = (UINT8 *)&Reply;\r |
| 250 | while (ReplyBytes != (UINT8 *)(&Reply + 1)) {\r |
| 251 | Status = In32 (Dev, MPT_REG_DOORBELL, &ReplyWord);\r |
| 252 | if (EFI_ERROR (Status)) {\r |
| 253 | return Status;\r |
| 254 | }\r |
| 255 | CopyMem (ReplyBytes, &ReplyWord, sizeof (UINT16));\r |
| 256 | ReplyBytes += sizeof (UINT16);\r |
| 257 | }\r |
| 258 | \r |
| 259 | //\r |
| 260 | // Clear interrupts generated by doorbell reply\r |
| 261 | //\r |
| 262 | Status = Out32 (Dev, MPT_REG_ISTATUS, 0);\r |
| 263 | if (EFI_ERROR (Status)) {\r |
| 264 | return Status;\r |
| 265 | }\r |
| 266 | \r |
| 267 | return EFI_SUCCESS;\r |
| 268 | }\r |
| 269 | \r |
| 270 | STATIC\r |
| 271 | EFI_STATUS\r |
| 272 | ReportHostAdapterError (\r |
| 273 | OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r |
| 274 | )\r |
| 275 | {\r |
| 276 | DEBUG ((DEBUG_ERROR, "%a: fatal error in scsi request\n", __FUNCTION__));\r |
| 277 | Packet->InTransferLength = 0;\r |
| 278 | Packet->OutTransferLength = 0;\r |
| 279 | Packet->SenseDataLength = 0;\r |
| 280 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OTHER;\r |
| 281 | Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_TASK_ABORTED;\r |
| 282 | return EFI_DEVICE_ERROR;\r |
| 283 | }\r |
| 284 | \r |
| 285 | STATIC\r |
| 286 | EFI_STATUS\r |
| 287 | ReportHostAdapterOverrunError (\r |
| 288 | OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r |
| 289 | )\r |
| 290 | {\r |
| 291 | Packet->SenseDataLength = 0;\r |
| 292 | Packet->HostAdapterStatus =\r |
| 293 | EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN;\r |
| 294 | Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_GOOD;\r |
| 295 | return EFI_BAD_BUFFER_SIZE;\r |
| 296 | }\r |
| 297 | \r |
| 298 | STATIC\r |
| 299 | EFI_STATUS\r |
| 300 | MptScsiPopulateRequest (\r |
| 301 | IN MPT_SCSI_DEV *Dev,\r |
| 302 | IN UINT8 Target,\r |
| 303 | IN UINT64 Lun,\r |
| 304 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r |
| 305 | )\r |
| 306 | {\r |
| 307 | MPT_SCSI_REQUEST_WITH_SG *Request;\r |
| 308 | \r |
| 309 | Request = &Dev->Dma->IoRequest.Data;\r |
| 310 | \r |
| 311 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_BIDIRECTIONAL ||\r |
| 312 | (Packet->InTransferLength > 0 && Packet->OutTransferLength > 0) ||\r |
| 313 | Packet->CdbLength > sizeof (Request->Header.Cdb)) {\r |
| 314 | return EFI_UNSUPPORTED;\r |
| 315 | }\r |
| 316 | \r |
| 317 | if (Target > Dev->MaxTarget || Lun > 0 ||\r |
| 318 | Packet->DataDirection > EFI_EXT_SCSI_DATA_DIRECTION_BIDIRECTIONAL ||\r |
| 319 | //\r |
| 320 | // Trying to receive, but destination pointer is NULL, or contradicting\r |
| 321 | // transfer direction\r |
| 322 | //\r |
| 323 | (Packet->InTransferLength > 0 &&\r |
| 324 | (Packet->InDataBuffer == NULL ||\r |
| 325 | Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_WRITE\r |
| 326 | )\r |
| 327 | ) ||\r |
| 328 | \r |
| 329 | //\r |
| 330 | // Trying to send, but source pointer is NULL, or contradicting transfer\r |
| 331 | // direction\r |
| 332 | //\r |
| 333 | (Packet->OutTransferLength > 0 &&\r |
| 334 | (Packet->OutDataBuffer == NULL ||\r |
| 335 | Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ\r |
| 336 | )\r |
| 337 | )\r |
| 338 | ) {\r |
| 339 | return EFI_INVALID_PARAMETER;\r |
| 340 | }\r |
| 341 | \r |
| 342 | if (Packet->InTransferLength > sizeof (Dev->Dma->Data)) {\r |
| 343 | Packet->InTransferLength = sizeof (Dev->Dma->Data);\r |
| 344 | return ReportHostAdapterOverrunError (Packet);\r |
| 345 | }\r |
| 346 | if (Packet->OutTransferLength > sizeof (Dev->Dma->Data)) {\r |
| 347 | Packet->OutTransferLength = sizeof (Dev->Dma->Data);\r |
| 348 | return ReportHostAdapterOverrunError (Packet);\r |
| 349 | }\r |
| 350 | \r |
| 351 | ZeroMem (Request, sizeof (*Request));\r |
| 352 | Request->Header.TargetId = Target;\r |
| 353 | //\r |
| 354 | // Only LUN 0 is currently supported, hence the cast is safe\r |
| 355 | //\r |
| 356 | Request->Header.Lun[1] = (UINT8)Lun;\r |
| 357 | Request->Header.Function = MPT_MESSAGE_HDR_FUNCTION_SCSI_IO_REQUEST;\r |
| 358 | Request->Header.MessageContext = 1; // We handle one request at a time\r |
| 359 | \r |
| 360 | Request->Header.CdbLength = Packet->CdbLength;\r |
| 361 | CopyMem (Request->Header.Cdb, Packet->Cdb, Packet->CdbLength);\r |
| 362 | \r |
| 363 | //\r |
| 364 | // SenseDataLength is UINT8, Sense[] is MAX_UINT8, so we can't overflow\r |
| 365 | //\r |
| 366 | ZeroMem (Dev->Dma->Sense, Packet->SenseDataLength);\r |
| 367 | Request->Header.SenseBufferLength = Packet->SenseDataLength;\r |
| 368 | Request->Header.SenseBufferLowAddress = MPT_SCSI_DMA_ADDR_LOW (Dev, Sense);\r |
| 369 | \r |
| 370 | Request->Sg.EndOfList = 1;\r |
| 371 | Request->Sg.EndOfBuffer = 1;\r |
| 372 | Request->Sg.LastElement = 1;\r |
| 373 | Request->Sg.ElementType = MPT_SG_ENTRY_TYPE_SIMPLE;\r |
| 374 | Request->Sg.Is64BitAddress = 1;\r |
| 375 | Request->Sg.DataBufferAddress = MPT_SCSI_DMA_ADDR (Dev, Data);\r |
| 376 | \r |
| 377 | //\r |
| 378 | // "MPT_SG_ENTRY_SIMPLE.Length" is a 24-bit quantity.\r |
| 379 | //\r |
| 380 | STATIC_ASSERT (\r |
| 381 | sizeof (Dev->Dma->Data) < SIZE_16MB,\r |
| 382 | "MPT_SCSI_DMA_BUFFER.Data must be smaller than 16MB"\r |
| 383 | );\r |
| 384 | \r |
| 385 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r |
| 386 | Request->Header.DataLength = Packet->InTransferLength;\r |
| 387 | Request->Sg.Length = Packet->InTransferLength;\r |
| 388 | Request->Header.Control = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_READ;\r |
| 389 | } else {\r |
| 390 | Request->Header.DataLength = Packet->OutTransferLength;\r |
| 391 | Request->Sg.Length = Packet->OutTransferLength;\r |
| 392 | Request->Header.Control = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_WRITE;\r |
| 393 | \r |
| 394 | CopyMem (Dev->Dma->Data, Packet->OutDataBuffer, Packet->OutTransferLength);\r |
| 395 | Request->Sg.BufferContainsData = 1;\r |
| 396 | }\r |
| 397 | \r |
| 398 | if (Request->Header.DataLength == 0) {\r |
| 399 | Request->Header.Control = MPT_SCSIIO_REQUEST_CONTROL_TXDIR_NONE;\r |
| 400 | }\r |
| 401 | \r |
| 402 | return EFI_SUCCESS;\r |
| 403 | }\r |
| 404 | \r |
| 405 | STATIC\r |
| 406 | EFI_STATUS\r |
| 407 | MptScsiSendRequest (\r |
| 408 | IN MPT_SCSI_DEV *Dev,\r |
| 409 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r |
| 410 | )\r |
| 411 | {\r |
| 412 | EFI_STATUS Status;\r |
| 413 | \r |
| 414 | if (!Dev->IoReplyEnqueued) {\r |
| 415 | //\r |
| 416 | // Put one free reply frame on the reply queue, the hardware may use it to\r |
| 417 | // report an error to us.\r |
| 418 | //\r |
| 419 | Status = Out32 (Dev, MPT_REG_REP_Q, MPT_SCSI_DMA_ADDR_LOW (Dev, IoReply));\r |
| 420 | if (EFI_ERROR (Status)) {\r |
| 421 | return EFI_DEVICE_ERROR;\r |
| 422 | }\r |
| 423 | Dev->IoReplyEnqueued = TRUE;\r |
| 424 | }\r |
| 425 | \r |
| 426 | Status = Out32 (Dev, MPT_REG_REQ_Q, MPT_SCSI_DMA_ADDR_LOW (Dev, IoRequest));\r |
| 427 | if (EFI_ERROR (Status)) {\r |
| 428 | return EFI_DEVICE_ERROR;\r |
| 429 | }\r |
| 430 | \r |
| 431 | return EFI_SUCCESS;\r |
| 432 | }\r |
| 433 | \r |
| 434 | STATIC\r |
| 435 | EFI_STATUS\r |
| 436 | MptScsiGetReply (\r |
| 437 | IN MPT_SCSI_DEV *Dev,\r |
| 438 | OUT UINT32 *Reply\r |
| 439 | )\r |
| 440 | {\r |
| 441 | EFI_STATUS Status;\r |
| 442 | UINT32 Istatus;\r |
| 443 | UINT32 EmptyReply;\r |
| 444 | \r |
| 445 | //\r |
| 446 | // Timeouts are not supported for\r |
| 447 | // EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() in this implementation.\r |
| 448 | //\r |
| 449 | for (;;) {\r |
| 450 | Status = In32 (Dev, MPT_REG_ISTATUS, &Istatus);\r |
| 451 | if (EFI_ERROR (Status)) {\r |
| 452 | return Status;\r |
| 453 | }\r |
| 454 | \r |
| 455 | //\r |
| 456 | // Interrupt raised\r |
| 457 | //\r |
| 458 | if (Istatus & MPT_IMASK_REPLY) {\r |
| 459 | break;\r |
| 460 | }\r |
| 461 | \r |
| 462 | gBS->Stall (Dev->StallPerPollUsec);\r |
| 463 | }\r |
| 464 | \r |
| 465 | Status = In32 (Dev, MPT_REG_REP_Q, Reply);\r |
| 466 | if (EFI_ERROR (Status)) {\r |
| 467 | return Status;\r |
| 468 | }\r |
| 469 | \r |
| 470 | //\r |
| 471 | // The driver is supposed to fetch replies until 0xffffffff is returned, which\r |
| 472 | // will reset the interrupt status. We put only one request, so we expect the\r |
| 473 | // next read reply to be the last.\r |
| 474 | //\r |
| 475 | Status = In32 (Dev, MPT_REG_REP_Q, &EmptyReply);\r |
| 476 | if (EFI_ERROR (Status) || EmptyReply != MAX_UINT32) {\r |
| 477 | return EFI_DEVICE_ERROR;\r |
| 478 | }\r |
| 479 | \r |
| 480 | return EFI_SUCCESS;\r |
| 481 | }\r |
| 482 | \r |
| 483 | STATIC\r |
| 484 | EFI_STATUS\r |
| 485 | MptScsiHandleReply (\r |
| 486 | IN MPT_SCSI_DEV *Dev,\r |
| 487 | IN UINT32 Reply,\r |
| 488 | OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r |
| 489 | )\r |
| 490 | {\r |
| 491 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r |
| 492 | CopyMem (Packet->InDataBuffer, Dev->Dma->Data, Packet->InTransferLength);\r |
| 493 | }\r |
| 494 | \r |
| 495 | if (Reply == Dev->Dma->IoRequest.Data.Header.MessageContext) {\r |
| 496 | //\r |
| 497 | // This is a turbo reply, everything is good\r |
| 498 | //\r |
| 499 | Packet->SenseDataLength = 0;\r |
| 500 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK;\r |
| 501 | Packet->TargetStatus = EFI_EXT_SCSI_STATUS_TARGET_GOOD;\r |
| 502 | \r |
| 503 | } else if ((Reply & BIT31) != 0) {\r |
| 504 | DEBUG ((DEBUG_INFO, "%a: Full reply returned\n", __FUNCTION__));\r |
| 505 | //\r |
| 506 | // When reply MSB is set, we got a full reply. Since we submitted only one\r |
| 507 | // reply frame, we know it's IoReply.\r |
| 508 | //\r |
| 509 | Dev->IoReplyEnqueued = FALSE;\r |
| 510 | \r |
| 511 | Packet->TargetStatus = Dev->Dma->IoReply.Data.ScsiStatus;\r |
| 512 | //\r |
| 513 | // Make sure device only lowers SenseDataLength before copying sense\r |
| 514 | //\r |
| 515 | ASSERT (Dev->Dma->IoReply.Data.SenseCount <= Packet->SenseDataLength);\r |
| 516 | Packet->SenseDataLength =\r |
| 517 | (UINT8)MIN (Dev->Dma->IoReply.Data.SenseCount, Packet->SenseDataLength);\r |
| 518 | CopyMem (Packet->SenseData, Dev->Dma->Sense, Packet->SenseDataLength);\r |
| 519 | \r |
| 520 | if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) {\r |
| 521 | Packet->InTransferLength = Dev->Dma->IoReply.Data.TransferCount;\r |
| 522 | } else {\r |
| 523 | Packet->OutTransferLength = Dev->Dma->IoReply.Data.TransferCount;\r |
| 524 | }\r |
| 525 | \r |
| 526 | switch (Dev->Dma->IoReply.Data.IocStatus) {\r |
| 527 | case MPT_SCSI_IOCSTATUS_SUCCESS:\r |
| 528 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK;\r |
| 529 | break;\r |
| 530 | case MPT_SCSI_IOCSTATUS_DEVICE_NOT_THERE:\r |
| 531 | Packet->HostAdapterStatus =\r |
| 532 | EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT;\r |
| 533 | return EFI_TIMEOUT;\r |
| 534 | case MPT_SCSI_IOCSTATUS_DATA_UNDERRUN:\r |
| 535 | case MPT_SCSI_IOCSTATUS_DATA_OVERRUN:\r |
| 536 | Packet->HostAdapterStatus =\r |
| 537 | EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN;\r |
| 538 | break;\r |
| 539 | default:\r |
| 540 | Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OTHER;\r |
| 541 | return EFI_DEVICE_ERROR;\r |
| 542 | }\r |
| 543 | \r |
| 544 | } else {\r |
| 545 | DEBUG ((DEBUG_ERROR, "%a: unexpected reply (%x)\n", __FUNCTION__, Reply));\r |
| 546 | return ReportHostAdapterError (Packet);\r |
| 547 | }\r |
| 548 | \r |
| 549 | return EFI_SUCCESS;\r |
| 550 | }\r |
| 551 | \r |
| 552 | //\r |
| 553 | // Ext SCSI Pass Thru\r |
| 554 | //\r |
| 555 | \r |
| 556 | STATIC\r |
| 557 | EFI_STATUS\r |
| 558 | EFIAPI\r |
| 559 | MptScsiPassThru (\r |
| 560 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r |
| 561 | IN UINT8 *Target,\r |
| 562 | IN UINT64 Lun,\r |
| 563 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r |
| 564 | IN EFI_EVENT Event OPTIONAL\r |
| 565 | )\r |
| 566 | {\r |
| 567 | EFI_STATUS Status;\r |
| 568 | MPT_SCSI_DEV *Dev;\r |
| 569 | UINT32 Reply;\r |
| 570 | \r |
| 571 | Dev = MPT_SCSI_FROM_PASS_THRU (This);\r |
| 572 | //\r |
| 573 | // We only use first byte of target identifer\r |
| 574 | //\r |
| 575 | Status = MptScsiPopulateRequest (Dev, *Target, Lun, Packet);\r |
| 576 | if (EFI_ERROR (Status)) {\r |
| 577 | //\r |
| 578 | // MptScsiPopulateRequest modified packet according to the error\r |
| 579 | //\r |
| 580 | return Status;\r |
| 581 | }\r |
| 582 | \r |
| 583 | Status = MptScsiSendRequest (Dev, Packet);\r |
| 584 | if (EFI_ERROR (Status)) {\r |
| 585 | return ReportHostAdapterError (Packet);\r |
| 586 | }\r |
| 587 | \r |
| 588 | Status = MptScsiGetReply (Dev, &Reply);\r |
| 589 | if (EFI_ERROR (Status)) {\r |
| 590 | return ReportHostAdapterError (Packet);\r |
| 591 | }\r |
| 592 | \r |
| 593 | return MptScsiHandleReply (Dev, Reply, Packet);\r |
| 594 | }\r |
| 595 | \r |
| 596 | STATIC\r |
| 597 | BOOLEAN\r |
| 598 | IsTargetInitialized (\r |
| 599 | IN UINT8 *Target\r |
| 600 | )\r |
| 601 | {\r |
| 602 | UINTN Idx;\r |
| 603 | \r |
| 604 | for (Idx = 0; Idx < TARGET_MAX_BYTES; ++Idx) {\r |
| 605 | if (Target[Idx] != 0xFF) {\r |
| 606 | return TRUE;\r |
| 607 | }\r |
| 608 | }\r |
| 609 | return FALSE;\r |
| 610 | }\r |
| 611 | \r |
| 612 | STATIC\r |
| 613 | EFI_STATUS\r |
| 614 | EFIAPI\r |
| 615 | MptScsiGetNextTargetLun (\r |
| 616 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r |
| 617 | IN OUT UINT8 **Target,\r |
| 618 | IN OUT UINT64 *Lun\r |
| 619 | )\r |
| 620 | {\r |
| 621 | MPT_SCSI_DEV *Dev;\r |
| 622 | \r |
| 623 | Dev = MPT_SCSI_FROM_PASS_THRU (This);\r |
| 624 | //\r |
| 625 | // Currently support only LUN 0, so hardcode it\r |
| 626 | //\r |
| 627 | if (!IsTargetInitialized (*Target)) {\r |
| 628 | ZeroMem (*Target, TARGET_MAX_BYTES);\r |
| 629 | *Lun = 0;\r |
| 630 | } else if (**Target > Dev->MaxTarget || *Lun > 0) {\r |
| 631 | return EFI_INVALID_PARAMETER;\r |
| 632 | } else if (**Target < Dev->MaxTarget) {\r |
| 633 | //\r |
| 634 | // This device interface support 256 targets only, so it's enough to\r |
| 635 | // increment the LSB of Target, as it will never overflow.\r |
| 636 | //\r |
| 637 | **Target += 1;\r |
| 638 | } else {\r |
| 639 | return EFI_NOT_FOUND;\r |
| 640 | }\r |
| 641 | \r |
| 642 | return EFI_SUCCESS;\r |
| 643 | }\r |
| 644 | \r |
| 645 | STATIC\r |
| 646 | EFI_STATUS\r |
| 647 | EFIAPI\r |
| 648 | MptScsiGetNextTarget (\r |
| 649 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r |
| 650 | IN OUT UINT8 **Target\r |
| 651 | )\r |
| 652 | {\r |
| 653 | MPT_SCSI_DEV *Dev;\r |
| 654 | \r |
| 655 | Dev = MPT_SCSI_FROM_PASS_THRU (This);\r |
| 656 | if (!IsTargetInitialized (*Target)) {\r |
| 657 | ZeroMem (*Target, TARGET_MAX_BYTES);\r |
| 658 | } else if (**Target > Dev->MaxTarget) {\r |
| 659 | return EFI_INVALID_PARAMETER;\r |
| 660 | } else if (**Target < Dev->MaxTarget) {\r |
| 661 | //\r |
| 662 | // This device interface support 256 targets only, so it's enough to\r |
| 663 | // increment the LSB of Target, as it will never overflow.\r |
| 664 | //\r |
| 665 | **Target += 1;\r |
| 666 | } else {\r |
| 667 | return EFI_NOT_FOUND;\r |
| 668 | }\r |
| 669 | \r |
| 670 | return EFI_SUCCESS;\r |
| 671 | }\r |
| 672 | \r |
| 673 | STATIC\r |
| 674 | EFI_STATUS\r |
| 675 | EFIAPI\r |
| 676 | MptScsiBuildDevicePath (\r |
| 677 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r |
| 678 | IN UINT8 *Target,\r |
| 679 | IN UINT64 Lun,\r |
| 680 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r |
| 681 | )\r |
| 682 | {\r |
| 683 | MPT_SCSI_DEV *Dev;\r |
| 684 | SCSI_DEVICE_PATH *ScsiDevicePath;\r |
| 685 | \r |
| 686 | if (DevicePath == NULL) {\r |
| 687 | return EFI_INVALID_PARAMETER;\r |
| 688 | }\r |
| 689 | \r |
| 690 | //\r |
| 691 | // This device support 256 targets only, so it's enough to dereference\r |
| 692 | // the LSB of Target.\r |
| 693 | //\r |
| 694 | Dev = MPT_SCSI_FROM_PASS_THRU (This);\r |
| 695 | if (*Target > Dev->MaxTarget || Lun > 0) {\r |
| 696 | return EFI_NOT_FOUND;\r |
| 697 | }\r |
| 698 | \r |
| 699 | ScsiDevicePath = AllocateZeroPool (sizeof (*ScsiDevicePath));\r |
| 700 | if (ScsiDevicePath == NULL) {\r |
| 701 | return EFI_OUT_OF_RESOURCES;\r |
| 702 | }\r |
| 703 | \r |
| 704 | ScsiDevicePath->Header.Type = MESSAGING_DEVICE_PATH;\r |
| 705 | ScsiDevicePath->Header.SubType = MSG_SCSI_DP;\r |
| 706 | ScsiDevicePath->Header.Length[0] = (UINT8)sizeof (*ScsiDevicePath);\r |
| 707 | ScsiDevicePath->Header.Length[1] = (UINT8)(sizeof (*ScsiDevicePath) >> 8);\r |
| 708 | ScsiDevicePath->Pun = *Target;\r |
| 709 | ScsiDevicePath->Lun = (UINT16)Lun;\r |
| 710 | \r |
| 711 | *DevicePath = &ScsiDevicePath->Header;\r |
| 712 | return EFI_SUCCESS;\r |
| 713 | }\r |
| 714 | \r |
| 715 | STATIC\r |
| 716 | EFI_STATUS\r |
| 717 | EFIAPI\r |
| 718 | MptScsiGetTargetLun (\r |
| 719 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r |
| 720 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r |
| 721 | OUT UINT8 **Target,\r |
| 722 | OUT UINT64 *Lun\r |
| 723 | )\r |
| 724 | {\r |
| 725 | MPT_SCSI_DEV *Dev;\r |
| 726 | SCSI_DEVICE_PATH *ScsiDevicePath;\r |
| 727 | \r |
| 728 | if (DevicePath == NULL ||\r |
| 729 | Target == NULL || *Target == NULL || Lun == NULL) {\r |
| 730 | return EFI_INVALID_PARAMETER;\r |
| 731 | }\r |
| 732 | \r |
| 733 | if (DevicePath->Type != MESSAGING_DEVICE_PATH ||\r |
| 734 | DevicePath->SubType != MSG_SCSI_DP) {\r |
| 735 | return EFI_UNSUPPORTED;\r |
| 736 | }\r |
| 737 | \r |
| 738 | Dev = MPT_SCSI_FROM_PASS_THRU (This);\r |
| 739 | ScsiDevicePath = (SCSI_DEVICE_PATH *)DevicePath;\r |
| 740 | if (ScsiDevicePath->Pun > Dev->MaxTarget ||\r |
| 741 | ScsiDevicePath->Lun > 0) {\r |
| 742 | return EFI_NOT_FOUND;\r |
| 743 | }\r |
| 744 | \r |
| 745 | ZeroMem (*Target, TARGET_MAX_BYTES);\r |
| 746 | //\r |
| 747 | // This device support 256 targets only, so it's enough to set the LSB\r |
| 748 | // of Target.\r |
| 749 | //\r |
| 750 | **Target = (UINT8)ScsiDevicePath->Pun;\r |
| 751 | *Lun = ScsiDevicePath->Lun;\r |
| 752 | \r |
| 753 | return EFI_SUCCESS;\r |
| 754 | }\r |
| 755 | \r |
| 756 | STATIC\r |
| 757 | EFI_STATUS\r |
| 758 | EFIAPI\r |
| 759 | MptScsiResetChannel (\r |
| 760 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This\r |
| 761 | )\r |
| 762 | {\r |
| 763 | return EFI_UNSUPPORTED;\r |
| 764 | }\r |
| 765 | \r |
| 766 | STATIC\r |
| 767 | VOID\r |
| 768 | EFIAPI\r |
| 769 | MptScsiExitBoot (\r |
| 770 | IN EFI_EVENT Event,\r |
| 771 | IN VOID *Context\r |
| 772 | )\r |
| 773 | {\r |
| 774 | MPT_SCSI_DEV *Dev;\r |
| 775 | \r |
| 776 | Dev = Context;\r |
| 777 | DEBUG ((DEBUG_VERBOSE, "%a: Context=0x%p\n", __FUNCTION__, Context));\r |
| 778 | MptScsiReset (Dev);\r |
| 779 | }\r |
| 780 | STATIC\r |
| 781 | EFI_STATUS\r |
| 782 | EFIAPI\r |
| 783 | MptScsiResetTargetLun (\r |
| 784 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r |
| 785 | IN UINT8 *Target,\r |
| 786 | IN UINT64 Lun\r |
| 787 | )\r |
| 788 | {\r |
| 789 | return EFI_UNSUPPORTED;\r |
| 790 | }\r |
| 791 | \r |
| 792 | //\r |
| 793 | // Driver Binding\r |
| 794 | //\r |
| 795 | \r |
| 796 | STATIC\r |
| 797 | EFI_STATUS\r |
| 798 | EFIAPI\r |
| 799 | MptScsiControllerSupported (\r |
| 800 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 801 | IN EFI_HANDLE ControllerHandle,\r |
| 802 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
| 803 | )\r |
| 804 | {\r |
| 805 | EFI_STATUS Status;\r |
| 806 | EFI_PCI_IO_PROTOCOL *PciIo;\r |
| 807 | PCI_TYPE00 Pci;\r |
| 808 | \r |
| 809 | Status = gBS->OpenProtocol (\r |
| 810 | ControllerHandle,\r |
| 811 | &gEfiPciIoProtocolGuid,\r |
| 812 | (VOID **)&PciIo,\r |
| 813 | This->DriverBindingHandle,\r |
| 814 | ControllerHandle,\r |
| 815 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
| 816 | );\r |
| 817 | if (EFI_ERROR (Status)) {\r |
| 818 | return Status;\r |
| 819 | }\r |
| 820 | \r |
| 821 | Status = PciIo->Pci.Read (\r |
| 822 | PciIo,\r |
| 823 | EfiPciIoWidthUint32,\r |
| 824 | 0,\r |
| 825 | sizeof (Pci) / sizeof (UINT32),\r |
| 826 | &Pci\r |
| 827 | );\r |
| 828 | if (EFI_ERROR (Status)) {\r |
| 829 | goto Done;\r |
| 830 | }\r |
| 831 | \r |
| 832 | if (Pci.Hdr.VendorId == LSI_LOGIC_PCI_VENDOR_ID &&\r |
| 833 | (Pci.Hdr.DeviceId == LSI_53C1030_PCI_DEVICE_ID ||\r |
| 834 | Pci.Hdr.DeviceId == LSI_SAS1068_PCI_DEVICE_ID ||\r |
| 835 | Pci.Hdr.DeviceId == LSI_SAS1068E_PCI_DEVICE_ID)) {\r |
| 836 | Status = EFI_SUCCESS;\r |
| 837 | } else {\r |
| 838 | Status = EFI_UNSUPPORTED;\r |
| 839 | }\r |
| 840 | \r |
| 841 | Done:\r |
| 842 | gBS->CloseProtocol (\r |
| 843 | ControllerHandle,\r |
| 844 | &gEfiPciIoProtocolGuid,\r |
| 845 | This->DriverBindingHandle,\r |
| 846 | ControllerHandle\r |
| 847 | );\r |
| 848 | return Status;\r |
| 849 | }\r |
| 850 | \r |
| 851 | STATIC\r |
| 852 | EFI_STATUS\r |
| 853 | EFIAPI\r |
| 854 | MptScsiControllerStart (\r |
| 855 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 856 | IN EFI_HANDLE ControllerHandle,\r |
| 857 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
| 858 | )\r |
| 859 | {\r |
| 860 | EFI_STATUS Status;\r |
| 861 | MPT_SCSI_DEV *Dev;\r |
| 862 | UINTN Pages;\r |
| 863 | UINTN BytesMapped;\r |
| 864 | \r |
| 865 | Dev = AllocateZeroPool (sizeof (*Dev));\r |
| 866 | if (Dev == NULL) {\r |
| 867 | return EFI_OUT_OF_RESOURCES;\r |
| 868 | }\r |
| 869 | \r |
| 870 | Dev->Signature = MPT_SCSI_DEV_SIGNATURE;\r |
| 871 | \r |
| 872 | Dev->MaxTarget = PcdGet8 (PcdMptScsiMaxTargetLimit);\r |
| 873 | Dev->StallPerPollUsec = PcdGet32 (PcdMptScsiStallPerPollUsec);\r |
| 874 | \r |
| 875 | Status = gBS->OpenProtocol (\r |
| 876 | ControllerHandle,\r |
| 877 | &gEfiPciIoProtocolGuid,\r |
| 878 | (VOID **)&Dev->PciIo,\r |
| 879 | This->DriverBindingHandle,\r |
| 880 | ControllerHandle,\r |
| 881 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
| 882 | );\r |
| 883 | if (EFI_ERROR (Status)) {\r |
| 884 | goto FreePool;\r |
| 885 | }\r |
| 886 | \r |
| 887 | Status = Dev->PciIo->Attributes (\r |
| 888 | Dev->PciIo,\r |
| 889 | EfiPciIoAttributeOperationGet,\r |
| 890 | 0,\r |
| 891 | &Dev->OriginalPciAttributes\r |
| 892 | );\r |
| 893 | if (EFI_ERROR (Status)) {\r |
| 894 | goto CloseProtocol;\r |
| 895 | }\r |
| 896 | \r |
| 897 | //\r |
| 898 | // Enable I/O Space & Bus-Mastering\r |
| 899 | //\r |
| 900 | Status = Dev->PciIo->Attributes (\r |
| 901 | Dev->PciIo,\r |
| 902 | EfiPciIoAttributeOperationEnable,\r |
| 903 | (EFI_PCI_IO_ATTRIBUTE_IO |\r |
| 904 | EFI_PCI_IO_ATTRIBUTE_BUS_MASTER),\r |
| 905 | NULL\r |
| 906 | );\r |
| 907 | if (EFI_ERROR (Status)) {\r |
| 908 | goto CloseProtocol;\r |
| 909 | }\r |
| 910 | \r |
| 911 | //\r |
| 912 | // Signal device supports 64-bit DMA addresses\r |
| 913 | //\r |
| 914 | Status = Dev->PciIo->Attributes (\r |
| 915 | Dev->PciIo,\r |
| 916 | EfiPciIoAttributeOperationEnable,\r |
| 917 | EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE,\r |
| 918 | NULL\r |
| 919 | );\r |
| 920 | if (EFI_ERROR (Status)) {\r |
| 921 | //\r |
| 922 | // Warn user that device will only be using 32-bit DMA addresses.\r |
| 923 | //\r |
| 924 | // Note that this does not prevent the device/driver from working\r |
| 925 | // and therefore we only warn and continue as usual.\r |
| 926 | //\r |
| 927 | DEBUG ((\r |
| 928 | DEBUG_WARN,\r |
| 929 | "%a: failed to enable 64-bit DMA addresses\n",\r |
| 930 | __FUNCTION__\r |
| 931 | ));\r |
| 932 | }\r |
| 933 | \r |
| 934 | //\r |
| 935 | // Create buffers for data transfer\r |
| 936 | //\r |
| 937 | Pages = EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma));\r |
| 938 | Status = Dev->PciIo->AllocateBuffer (\r |
| 939 | Dev->PciIo,\r |
| 940 | AllocateAnyPages,\r |
| 941 | EfiBootServicesData,\r |
| 942 | Pages,\r |
| 943 | (VOID **)&Dev->Dma,\r |
| 944 | EFI_PCI_ATTRIBUTE_MEMORY_CACHED\r |
| 945 | );\r |
| 946 | if (EFI_ERROR (Status)) {\r |
| 947 | goto RestoreAttributes;\r |
| 948 | }\r |
| 949 | \r |
| 950 | BytesMapped = EFI_PAGES_TO_SIZE (Pages);\r |
| 951 | Status = Dev->PciIo->Map (\r |
| 952 | Dev->PciIo,\r |
| 953 | EfiPciIoOperationBusMasterCommonBuffer,\r |
| 954 | Dev->Dma,\r |
| 955 | &BytesMapped,\r |
| 956 | &Dev->DmaPhysical,\r |
| 957 | &Dev->DmaMapping\r |
| 958 | );\r |
| 959 | if (EFI_ERROR (Status)) {\r |
| 960 | goto FreeBuffer;\r |
| 961 | }\r |
| 962 | \r |
| 963 | if (BytesMapped != EFI_PAGES_TO_SIZE (Pages)) {\r |
| 964 | Status = EFI_OUT_OF_RESOURCES;\r |
| 965 | goto Unmap;\r |
| 966 | }\r |
| 967 | \r |
| 968 | Status = MptScsiInit (Dev);\r |
| 969 | if (EFI_ERROR (Status)) {\r |
| 970 | goto Unmap;\r |
| 971 | }\r |
| 972 | \r |
| 973 | Status = gBS->CreateEvent (\r |
| 974 | EVT_SIGNAL_EXIT_BOOT_SERVICES,\r |
| 975 | TPL_CALLBACK,\r |
| 976 | &MptScsiExitBoot,\r |
| 977 | Dev,\r |
| 978 | &Dev->ExitBoot\r |
| 979 | );\r |
| 980 | if (EFI_ERROR (Status)) {\r |
| 981 | goto UninitDev;\r |
| 982 | }\r |
| 983 | \r |
| 984 | //\r |
| 985 | // Host adapter channel, doesn't exist\r |
| 986 | //\r |
| 987 | Dev->PassThruMode.AdapterId = MAX_UINT32;\r |
| 988 | Dev->PassThruMode.Attributes =\r |
| 989 | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL |\r |
| 990 | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL;\r |
| 991 | \r |
| 992 | Dev->PassThru.Mode = &Dev->PassThruMode;\r |
| 993 | Dev->PassThru.PassThru = &MptScsiPassThru;\r |
| 994 | Dev->PassThru.GetNextTargetLun = &MptScsiGetNextTargetLun;\r |
| 995 | Dev->PassThru.BuildDevicePath = &MptScsiBuildDevicePath;\r |
| 996 | Dev->PassThru.GetTargetLun = &MptScsiGetTargetLun;\r |
| 997 | Dev->PassThru.ResetChannel = &MptScsiResetChannel;\r |
| 998 | Dev->PassThru.ResetTargetLun = &MptScsiResetTargetLun;\r |
| 999 | Dev->PassThru.GetNextTarget = &MptScsiGetNextTarget;\r |
| 1000 | \r |
| 1001 | Status = gBS->InstallProtocolInterface (\r |
| 1002 | &ControllerHandle,\r |
| 1003 | &gEfiExtScsiPassThruProtocolGuid,\r |
| 1004 | EFI_NATIVE_INTERFACE,\r |
| 1005 | &Dev->PassThru\r |
| 1006 | );\r |
| 1007 | if (EFI_ERROR (Status)) {\r |
| 1008 | goto CloseExitBoot;\r |
| 1009 | }\r |
| 1010 | \r |
| 1011 | return EFI_SUCCESS;\r |
| 1012 | \r |
| 1013 | CloseExitBoot:\r |
| 1014 | gBS->CloseEvent (Dev->ExitBoot);\r |
| 1015 | \r |
| 1016 | UninitDev:\r |
| 1017 | MptScsiReset (Dev);\r |
| 1018 | \r |
| 1019 | Unmap:\r |
| 1020 | Dev->PciIo->Unmap (\r |
| 1021 | Dev->PciIo,\r |
| 1022 | Dev->DmaMapping\r |
| 1023 | );\r |
| 1024 | \r |
| 1025 | FreeBuffer:\r |
| 1026 | Dev->PciIo->FreeBuffer (\r |
| 1027 | Dev->PciIo,\r |
| 1028 | Pages,\r |
| 1029 | Dev->Dma\r |
| 1030 | );\r |
| 1031 | \r |
| 1032 | RestoreAttributes:\r |
| 1033 | Dev->PciIo->Attributes (\r |
| 1034 | Dev->PciIo,\r |
| 1035 | EfiPciIoAttributeOperationSet,\r |
| 1036 | Dev->OriginalPciAttributes,\r |
| 1037 | NULL\r |
| 1038 | );\r |
| 1039 | \r |
| 1040 | CloseProtocol:\r |
| 1041 | gBS->CloseProtocol (\r |
| 1042 | ControllerHandle,\r |
| 1043 | &gEfiPciIoProtocolGuid,\r |
| 1044 | This->DriverBindingHandle,\r |
| 1045 | ControllerHandle\r |
| 1046 | );\r |
| 1047 | \r |
| 1048 | FreePool:\r |
| 1049 | FreePool (Dev);\r |
| 1050 | \r |
| 1051 | return Status;\r |
| 1052 | }\r |
| 1053 | \r |
| 1054 | STATIC\r |
| 1055 | EFI_STATUS\r |
| 1056 | EFIAPI\r |
| 1057 | MptScsiControllerStop (\r |
| 1058 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
| 1059 | IN EFI_HANDLE ControllerHandle,\r |
| 1060 | IN UINTN NumberOfChildren,\r |
| 1061 | IN EFI_HANDLE *ChildHandleBuffer\r |
| 1062 | )\r |
| 1063 | {\r |
| 1064 | EFI_STATUS Status;\r |
| 1065 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru;\r |
| 1066 | MPT_SCSI_DEV *Dev;\r |
| 1067 | \r |
| 1068 | Status = gBS->OpenProtocol (\r |
| 1069 | ControllerHandle,\r |
| 1070 | &gEfiExtScsiPassThruProtocolGuid,\r |
| 1071 | (VOID **)&PassThru,\r |
| 1072 | This->DriverBindingHandle,\r |
| 1073 | ControllerHandle,\r |
| 1074 | EFI_OPEN_PROTOCOL_GET_PROTOCOL // Lookup only\r |
| 1075 | );\r |
| 1076 | if (EFI_ERROR (Status)) {\r |
| 1077 | return Status;\r |
| 1078 | }\r |
| 1079 | \r |
| 1080 | Dev = MPT_SCSI_FROM_PASS_THRU (PassThru);\r |
| 1081 | \r |
| 1082 | Status = gBS->UninstallProtocolInterface (\r |
| 1083 | ControllerHandle,\r |
| 1084 | &gEfiExtScsiPassThruProtocolGuid,\r |
| 1085 | &Dev->PassThru\r |
| 1086 | );\r |
| 1087 | if (EFI_ERROR (Status)) {\r |
| 1088 | return Status;\r |
| 1089 | }\r |
| 1090 | \r |
| 1091 | gBS->CloseEvent (Dev->ExitBoot);\r |
| 1092 | \r |
| 1093 | MptScsiReset (Dev);\r |
| 1094 | \r |
| 1095 | Dev->PciIo->Unmap (\r |
| 1096 | Dev->PciIo,\r |
| 1097 | Dev->DmaMapping\r |
| 1098 | );\r |
| 1099 | \r |
| 1100 | Dev->PciIo->FreeBuffer (\r |
| 1101 | Dev->PciIo,\r |
| 1102 | EFI_SIZE_TO_PAGES (sizeof (*Dev->Dma)),\r |
| 1103 | Dev->Dma\r |
| 1104 | );\r |
| 1105 | \r |
| 1106 | Dev->PciIo->Attributes (\r |
| 1107 | Dev->PciIo,\r |
| 1108 | EfiPciIoAttributeOperationSet,\r |
| 1109 | Dev->OriginalPciAttributes,\r |
| 1110 | NULL\r |
| 1111 | );\r |
| 1112 | \r |
| 1113 | gBS->CloseProtocol (\r |
| 1114 | ControllerHandle,\r |
| 1115 | &gEfiPciIoProtocolGuid,\r |
| 1116 | This->DriverBindingHandle,\r |
| 1117 | ControllerHandle\r |
| 1118 | );\r |
| 1119 | \r |
| 1120 | FreePool (Dev);\r |
| 1121 | \r |
| 1122 | return Status;\r |
| 1123 | }\r |
| 1124 | \r |
| 1125 | STATIC\r |
| 1126 | EFI_DRIVER_BINDING_PROTOCOL mMptScsiDriverBinding = {\r |
| 1127 | &MptScsiControllerSupported,\r |
| 1128 | &MptScsiControllerStart,\r |
| 1129 | &MptScsiControllerStop,\r |
| 1130 | MPT_SCSI_BINDING_VERSION,\r |
| 1131 | NULL, // ImageHandle, filled by EfiLibInstallDriverBindingComponentName2\r |
| 1132 | NULL, // DriverBindingHandle, filled as well\r |
| 1133 | };\r |
| 1134 | \r |
| 1135 | //\r |
| 1136 | // Component Name\r |
| 1137 | //\r |
| 1138 | \r |
| 1139 | STATIC\r |
| 1140 | EFI_UNICODE_STRING_TABLE mDriverNameTable[] = {\r |
| 1141 | { "eng;en", L"LSI Fusion MPT SCSI Driver" },\r |
| 1142 | { NULL, NULL }\r |
| 1143 | };\r |
| 1144 | \r |
| 1145 | STATIC\r |
| 1146 | EFI_COMPONENT_NAME_PROTOCOL mComponentName;\r |
| 1147 | \r |
| 1148 | EFI_STATUS\r |
| 1149 | EFIAPI\r |
| 1150 | MptScsiGetDriverName (\r |
| 1151 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r |
| 1152 | IN CHAR8 *Language,\r |
| 1153 | OUT CHAR16 **DriverName\r |
| 1154 | )\r |
| 1155 | {\r |
| 1156 | return LookupUnicodeString2 (\r |
| 1157 | Language,\r |
| 1158 | This->SupportedLanguages,\r |
| 1159 | mDriverNameTable,\r |
| 1160 | DriverName,\r |
| 1161 | (BOOLEAN)(This == &mComponentName) // Iso639Language\r |
| 1162 | );\r |
| 1163 | }\r |
| 1164 | \r |
| 1165 | EFI_STATUS\r |
| 1166 | EFIAPI\r |
| 1167 | MptScsiGetDeviceName (\r |
| 1168 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r |
| 1169 | IN EFI_HANDLE DeviceHandle,\r |
| 1170 | IN EFI_HANDLE ChildHandle,\r |
| 1171 | IN CHAR8 *Language,\r |
| 1172 | OUT CHAR16 **ControllerName\r |
| 1173 | )\r |
| 1174 | {\r |
| 1175 | return EFI_UNSUPPORTED;\r |
| 1176 | }\r |
| 1177 | \r |
| 1178 | STATIC\r |
| 1179 | EFI_COMPONENT_NAME_PROTOCOL mComponentName = {\r |
| 1180 | &MptScsiGetDriverName,\r |
| 1181 | &MptScsiGetDeviceName,\r |
| 1182 | "eng" // SupportedLanguages, ISO 639-2 language codes\r |
| 1183 | };\r |
| 1184 | \r |
| 1185 | STATIC\r |
| 1186 | EFI_COMPONENT_NAME2_PROTOCOL mComponentName2 = {\r |
| 1187 | (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) &MptScsiGetDriverName,\r |
| 1188 | (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) &MptScsiGetDeviceName,\r |
| 1189 | "en" // SupportedLanguages, RFC 4646 language codes\r |
| 1190 | };\r |
| 1191 | \r |
| 1192 | //\r |
| 1193 | // Entry Point\r |
| 1194 | //\r |
| 1195 | \r |
| 1196 | EFI_STATUS\r |
| 1197 | EFIAPI\r |
| 1198 | MptScsiEntryPoint (\r |
| 1199 | IN EFI_HANDLE ImageHandle,\r |
| 1200 | IN EFI_SYSTEM_TABLE *SystemTable\r |
| 1201 | )\r |
| 1202 | {\r |
| 1203 | return EfiLibInstallDriverBindingComponentName2 (\r |
| 1204 | ImageHandle,\r |
| 1205 | SystemTable,\r |
| 1206 | &mMptScsiDriverBinding,\r |
| 1207 | ImageHandle, // The handle to install onto\r |
| 1208 | &mComponentName,\r |
| 1209 | &mComponentName2\r |
| 1210 | );\r |
| 1211 | }\r |