| ctl_backend_block.c (287760) | ctl_backend_block.c (287868) |
|---|---|
| 1/*- 2 * Copyright (c) 2003 Silicon Graphics International Corp. 3 * Copyright (c) 2009-2011 Spectra Logic Corporation 4 * Copyright (c) 2012 The FreeBSD Foundation 5 * All rights reserved. 6 * 7 * Portions of this software were developed by Edward Tomasz Napierala 8 * under sponsorship from the FreeBSD Foundation. --- 26 unchanged lines hidden (view full) --- 35 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_backend_block.c#5 $ 36 */ 37/* 38 * CAM Target Layer driver backend for block devices. 39 * 40 * Author: Ken Merry <ken@FreeBSD.org> 41 */ 42#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2003 Silicon Graphics International Corp. 3 * Copyright (c) 2009-2011 Spectra Logic Corporation 4 * Copyright (c) 2012 The FreeBSD Foundation 5 * All rights reserved. 6 * 7 * Portions of this software were developed by Edward Tomasz Napierala 8 * under sponsorship from the FreeBSD Foundation. --- 26 unchanged lines hidden (view full) --- 35 * $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_backend_block.c#5 $ 36 */ 37/* 38 * CAM Target Layer driver backend for block devices. 39 * 40 * Author: Ken Merry <ken@FreeBSD.org> 41 */ 42#include <sys/cdefs.h> |
| 43__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_backend_block.c 287760 2015-09-13 16:49:41Z mav $"); | 43__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_backend_block.c 287868 2015-09-16 18:33:04Z mav $"); |
| 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/kernel.h> 48#include <sys/types.h> 49#include <sys/kthread.h> 50#include <sys/bio.h> 51#include <sys/fcntl.h> --- 294 unchanged lines hidden (view full) --- 346 if (beio->beio_cont != NULL) { 347 beio->beio_cont(beio); 348 } else { 349 ctl_free_beio(beio); 350 ctl_data_submit_done(io); 351 } 352} 353 | 44 45#include <sys/param.h> 46#include <sys/systm.h> 47#include <sys/kernel.h> 48#include <sys/types.h> 49#include <sys/kthread.h> 50#include <sys/bio.h> 51#include <sys/fcntl.h> --- 294 unchanged lines hidden (view full) --- 346 if (beio->beio_cont != NULL) { 347 beio->beio_cont(beio); 348 } else { 349 ctl_free_beio(beio); 350 ctl_data_submit_done(io); 351 } 352} 353 |
| 354static size_t 355cmp(uint8_t *a, uint8_t *b, size_t size) 356{ 357 size_t i; 358 359 for (i = 0; i < size; i++) { 360 if (a[i] != b[i]) 361 break; 362 } 363 return (i); 364} 365 366static void 367ctl_be_block_compare(union ctl_io *io) 368{ 369 struct ctl_be_block_io *beio; 370 uint64_t off, res; 371 int i; 372 uint8_t info[8]; 373 374 beio = (struct ctl_be_block_io *)PRIV(io)->ptr; 375 off = 0; 376 for (i = 0; i < beio->num_segs; i++) { 377 res = cmp(beio->sg_segs[i].addr, 378 beio->sg_segs[i + CTLBLK_HALF_SEGS].addr, 379 beio->sg_segs[i].len); 380 off += res; 381 if (res < beio->sg_segs[i].len) 382 break; 383 } 384 if (i < beio->num_segs) { 385 scsi_u64to8b(off, info); 386 ctl_set_sense(&io->scsiio, /*current_error*/ 1, 387 /*sense_key*/ SSD_KEY_MISCOMPARE, 388 /*asc*/ 0x1D, /*ascq*/ 0x00, 389 /*type*/ SSD_ELEM_INFO, 390 /*size*/ sizeof(info), /*data*/ &info, 391 /*type*/ SSD_ELEM_NONE); 392 } else 393 ctl_set_success(&io->scsiio); 394} 395 |
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| 354static int 355ctl_be_block_move_done(union ctl_io *io) 356{ 357 struct ctl_be_block_io *beio; 358 struct ctl_be_block_lun *be_lun; 359 struct ctl_lba_len_flags *lbalen; 360#ifdef CTL_TIME_IO 361 struct bintime cur_bt; 362#endif | 396static int 397ctl_be_block_move_done(union ctl_io *io) 398{ 399 struct ctl_be_block_io *beio; 400 struct ctl_be_block_lun *be_lun; 401 struct ctl_lba_len_flags *lbalen; 402#ifdef CTL_TIME_IO 403 struct bintime cur_bt; 404#endif |
| 363 int i; | |
| 364 365 beio = (struct ctl_be_block_io *)PRIV(io)->ptr; 366 be_lun = beio->lun; 367 368 DPRINTF("entered\n"); 369 370#ifdef CTL_TIME_IO 371 getbintime(&cur_bt); --- 11 unchanged lines hidden (view full) --- 383 ; 384 } else if ((io->io_hdr.port_status == 0) && 385 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE)) { 386 lbalen = ARGS(beio->io); 387 if (lbalen->flags & CTL_LLF_READ) { 388 ctl_set_success(&io->scsiio); 389 } else if (lbalen->flags & CTL_LLF_COMPARE) { 390 /* We have two data blocks ready for comparison. */ | 405 406 beio = (struct ctl_be_block_io *)PRIV(io)->ptr; 407 be_lun = beio->lun; 408 409 DPRINTF("entered\n"); 410 411#ifdef CTL_TIME_IO 412 getbintime(&cur_bt); --- 11 unchanged lines hidden (view full) --- 424 ; 425 } else if ((io->io_hdr.port_status == 0) && 426 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE)) { 427 lbalen = ARGS(beio->io); 428 if (lbalen->flags & CTL_LLF_READ) { 429 ctl_set_success(&io->scsiio); 430 } else if (lbalen->flags & CTL_LLF_COMPARE) { 431 /* We have two data blocks ready for comparison. */ |
| 391 for (i = 0; i < beio->num_segs; i++) { 392 if (memcmp(beio->sg_segs[i].addr, 393 beio->sg_segs[i + CTLBLK_HALF_SEGS].addr, 394 beio->sg_segs[i].len) != 0) 395 break; 396 } 397 if (i < beio->num_segs) 398 ctl_set_sense(&io->scsiio, 399 /*current_error*/ 1, 400 /*sense_key*/ SSD_KEY_MISCOMPARE, 401 /*asc*/ 0x1D, 402 /*ascq*/ 0x00, 403 SSD_ELEM_NONE); 404 else 405 ctl_set_success(&io->scsiio); | 432 ctl_be_block_compare(io); |
| 406 } 407 } else if ((io->io_hdr.port_status != 0) && 408 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE || 409 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS)) { 410 /* 411 * For hardware error sense keys, the sense key 412 * specific value is defined to be a retry count, 413 * but we use it to pass back an internal FETD --- 2532 unchanged lines hidden --- | 433 } 434 } else if ((io->io_hdr.port_status != 0) && 435 ((io->io_hdr.status & CTL_STATUS_MASK) == CTL_STATUS_NONE || 436 (io->io_hdr.status & CTL_STATUS_MASK) == CTL_SUCCESS)) { 437 /* 438 * For hardware error sense keys, the sense key 439 * specific value is defined to be a retry count, 440 * but we use it to pass back an internal FETD --- 2532 unchanged lines hidden --- |