| ctl_backend_block.c (288259) | ctl_backend_block.c (288310) |
|---|---|
| 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 288259 2015-09-26 11:28:45Z mav $"); | 43__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_backend_block.c 288310 2015-09-27 13:47:28Z 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> --- 1812 unchanged lines hidden (view full) --- 1864 /* 1865 * For files we can use any logical block size. Prefer 512 bytes 1866 * for compatibility reasons. If file's vattr.va_blocksize 1867 * (preferred I/O block size) is bigger and multiple to chosen 1868 * logical block size -- report it as physical block size. 1869 */ 1870 if (params->blocksize_bytes != 0) 1871 cbe_lun->blocksize = params->blocksize_bytes; | 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> --- 1812 unchanged lines hidden (view full) --- 1864 /* 1865 * For files we can use any logical block size. Prefer 512 bytes 1866 * for compatibility reasons. If file's vattr.va_blocksize 1867 * (preferred I/O block size) is bigger and multiple to chosen 1868 * logical block size -- report it as physical block size. 1869 */ 1870 if (params->blocksize_bytes != 0) 1871 cbe_lun->blocksize = params->blocksize_bytes; |
| 1872 else if (cbe_lun->lun_type == T_CDROM) 1873 cbe_lun->blocksize = 2048; |
|
| 1872 else 1873 cbe_lun->blocksize = 512; 1874 be_lun->size_blocks = be_lun->size_bytes / cbe_lun->blocksize; 1875 cbe_lun->maxlba = (be_lun->size_blocks == 0) ? 1876 0 : (be_lun->size_blocks - 1); 1877 1878 us = ps = vattr.va_blocksize; 1879 uo = po = 0; --- 112 unchanged lines hidden (view full) --- 1992 return (EINVAL); 1993 } 1994 } else if (params->blocksize_bytes != 0) { 1995 dev_relthread(dev, ref); 1996 snprintf(req->error_str, sizeof(req->error_str), 1997 "requested blocksize %u < backing device " 1998 "blocksize %u", params->blocksize_bytes, tmp); 1999 return (EINVAL); | 1874 else 1875 cbe_lun->blocksize = 512; 1876 be_lun->size_blocks = be_lun->size_bytes / cbe_lun->blocksize; 1877 cbe_lun->maxlba = (be_lun->size_blocks == 0) ? 1878 0 : (be_lun->size_blocks - 1); 1879 1880 us = ps = vattr.va_blocksize; 1881 uo = po = 0; --- 112 unchanged lines hidden (view full) --- 1994 return (EINVAL); 1995 } 1996 } else if (params->blocksize_bytes != 0) { 1997 dev_relthread(dev, ref); 1998 snprintf(req->error_str, sizeof(req->error_str), 1999 "requested blocksize %u < backing device " 2000 "blocksize %u", params->blocksize_bytes, tmp); 2001 return (EINVAL); |
| 2000 } else | 2002 } else if (cbe_lun->lun_type == T_CDROM) 2003 cbe_lun->blocksize = MAX(tmp, 2048); 2004 else |
| 2001 cbe_lun->blocksize = tmp; 2002 2003 error = csw->d_ioctl(dev, DIOCGMEDIASIZE, (caddr_t)&otmp, FREAD, 2004 curthread); 2005 if (error) { 2006 dev_relthread(dev, ref); 2007 snprintf(req->error_str, sizeof(req->error_str), 2008 "error %d returned for DIOCGMEDIASIZE " --- 143 unchanged lines hidden (view full) --- 2152 "no file argument specified"); 2153 return (1); 2154 } 2155 free(be_lun->dev_path, M_CTLBLK); 2156 be_lun->dev_path = strdup(value, M_CTLBLK); 2157 2158 flags = FREAD; 2159 value = ctl_get_opt(&cbe_lun->options, "readonly"); | 2005 cbe_lun->blocksize = tmp; 2006 2007 error = csw->d_ioctl(dev, DIOCGMEDIASIZE, (caddr_t)&otmp, FREAD, 2008 curthread); 2009 if (error) { 2010 dev_relthread(dev, ref); 2011 snprintf(req->error_str, sizeof(req->error_str), 2012 "error %d returned for DIOCGMEDIASIZE " --- 143 unchanged lines hidden (view full) --- 2156 "no file argument specified"); 2157 return (1); 2158 } 2159 free(be_lun->dev_path, M_CTLBLK); 2160 be_lun->dev_path = strdup(value, M_CTLBLK); 2161 2162 flags = FREAD; 2163 value = ctl_get_opt(&cbe_lun->options, "readonly"); |
| 2160 if (value == NULL || strcmp(value, "on") != 0) | 2164 if (value != NULL) { 2165 if (strcmp(value, "on") != 0) 2166 flags |= FWRITE; 2167 } else if (cbe_lun->lun_type == T_DIRECT) |
| 2161 flags |= FWRITE; 2162 2163again: 2164 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, be_lun->dev_path, curthread); 2165 error = vn_open(&nd, &flags, 0, NULL); 2166 if ((error == EROFS || error == EACCES) && (flags & FWRITE)) { 2167 flags &= ~FWRITE; 2168 goto again; --- 99 unchanged lines hidden (view full) --- 2268 cbe_lun->flags = 0; 2269 value = ctl_get_opt(&cbe_lun->options, "ha_role"); 2270 if (value != NULL) { 2271 if (strcmp(value, "primary") == 0) 2272 cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY; 2273 } else if (control_softc->flags & CTL_FLAG_ACTIVE_SHELF) 2274 cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY; 2275 | 2168 flags |= FWRITE; 2169 2170again: 2171 NDINIT(&nd, LOOKUP, FOLLOW, UIO_SYSSPACE, be_lun->dev_path, curthread); 2172 error = vn_open(&nd, &flags, 0, NULL); 2173 if ((error == EROFS || error == EACCES) && (flags & FWRITE)) { 2174 flags &= ~FWRITE; 2175 goto again; --- 99 unchanged lines hidden (view full) --- 2275 cbe_lun->flags = 0; 2276 value = ctl_get_opt(&cbe_lun->options, "ha_role"); 2277 if (value != NULL) { 2278 if (strcmp(value, "primary") == 0) 2279 cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY; 2280 } else if (control_softc->flags & CTL_FLAG_ACTIVE_SHELF) 2281 cbe_lun->flags |= CTL_LUN_FLAG_PRIMARY; 2282 |
| 2276 if (cbe_lun->lun_type == T_DIRECT) { | 2283 if (cbe_lun->lun_type == T_DIRECT || 2284 cbe_lun->lun_type == T_CDROM) { |
| 2277 be_lun->size_bytes = params->lun_size_bytes; 2278 if (params->blocksize_bytes != 0) 2279 cbe_lun->blocksize = params->blocksize_bytes; | 2285 be_lun->size_bytes = params->lun_size_bytes; 2286 if (params->blocksize_bytes != 0) 2287 cbe_lun->blocksize = params->blocksize_bytes; |
| 2288 else if (cbe_lun->lun_type == T_CDROM) 2289 cbe_lun->blocksize = 2048; |
|
| 2280 else 2281 cbe_lun->blocksize = 512; 2282 be_lun->size_blocks = be_lun->size_bytes / cbe_lun->blocksize; 2283 cbe_lun->maxlba = (be_lun->size_blocks == 0) ? 2284 0 : (be_lun->size_blocks - 1); 2285 2286 if ((cbe_lun->flags & CTL_LUN_FLAG_PRIMARY) || 2287 control_softc->ha_mode == CTL_HA_MODE_SER_ONLY) { --- 468 unchanged lines hidden (view full) --- 2756 /*retry_count*/ 0xf051); 2757 retval = CTL_RETVAL_COMPLETE; 2758 } else { 2759 ctl_set_success(&io->scsiio); 2760 } 2761 ctl_config_write_done(io); 2762 break; 2763 } | 2290 else 2291 cbe_lun->blocksize = 512; 2292 be_lun->size_blocks = be_lun->size_bytes / cbe_lun->blocksize; 2293 cbe_lun->maxlba = (be_lun->size_blocks == 0) ? 2294 0 : (be_lun->size_blocks - 1); 2295 2296 if ((cbe_lun->flags & CTL_LUN_FLAG_PRIMARY) || 2297 control_softc->ha_mode == CTL_HA_MODE_SER_ONLY) { --- 468 unchanged lines hidden (view full) --- 2766 /*retry_count*/ 0xf051); 2767 retval = CTL_RETVAL_COMPLETE; 2768 } else { 2769 ctl_set_success(&io->scsiio); 2770 } 2771 ctl_config_write_done(io); 2772 break; 2773 } |
| 2774 case PREVENT_ALLOW: 2775 ctl_set_success(&io->scsiio); 2776 ctl_config_write_done(io); 2777 break; |
|
| 2764 default: 2765 ctl_set_invalid_opcode(&io->scsiio); 2766 ctl_config_write_done(io); 2767 retval = CTL_RETVAL_COMPLETE; 2768 break; 2769 } 2770 2771 return (retval); --- 92 unchanged lines hidden --- | 2778 default: 2779 ctl_set_invalid_opcode(&io->scsiio); 2780 ctl_config_write_done(io); 2781 retval = CTL_RETVAL_COMPLETE; 2782 break; 2783 } 2784 2785 return (retval); --- 92 unchanged lines hidden --- |