| biosdisk.c (313355) | biosdisk.c (328889) |
|---|---|
| 1/*- 2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3 * Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> 3 * Copyright (c) 2012 Andrey V. Elsukov <ae@FreeBSD.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: stable/11/sys/boot/i386/libi386/biosdisk.c 313355 2017-02-06 22:03:07Z tsoome $"); | 29__FBSDID("$FreeBSD: stable/11/sys/boot/i386/libi386/biosdisk.c 328889 2018-02-05 17:01:18Z kevans $"); |
| 30 31/* 32 * BIOS disk device handling. 33 * 34 * Ideas and algorithms from: 35 * 36 * - NetBSD libi386/biosdisk.c 37 * - FreeBSD biosboot/disk.c --- 92 unchanged lines hidden (view full) --- 130static int bd_init(void); 131static int bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, 132 char *buf, size_t *rsize); 133static int bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t size, 134 char *buf, size_t *rsize); 135static int bd_open(struct open_file *f, ...); 136static int bd_close(struct open_file *f); 137static int bd_ioctl(struct open_file *f, u_long cmd, void *data); | 30 31/* 32 * BIOS disk device handling. 33 * 34 * Ideas and algorithms from: 35 * 36 * - NetBSD libi386/biosdisk.c 37 * - FreeBSD biosboot/disk.c --- 92 unchanged lines hidden (view full) --- 130static int bd_init(void); 131static int bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size, 132 char *buf, size_t *rsize); 133static int bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t size, 134 char *buf, size_t *rsize); 135static int bd_open(struct open_file *f, ...); 136static int bd_close(struct open_file *f); 137static int bd_ioctl(struct open_file *f, u_long cmd, void *data); |
| 138static void bd_print(int verbose); | 138static int bd_print(int verbose); |
| 139static void bd_cleanup(void); 140 141#ifdef LOADER_GELI_SUPPORT 142static enum isgeli { 143 ISGELI_UNKNOWN, 144 ISGELI_NO, 145 ISGELI_YES 146}; --- 154 unchanged lines hidden (view full) --- 301 DEBUG("unit 0x%x flags %x, sectors %llu, sectorsize %u", 302 bd->bd_unit, bd->bd_flags, bd->bd_sectors, bd->bd_sectorsize); 303 return (1); 304} 305 306/* 307 * Print information about disks 308 */ | 139static void bd_cleanup(void); 140 141#ifdef LOADER_GELI_SUPPORT 142static enum isgeli { 143 ISGELI_UNKNOWN, 144 ISGELI_NO, 145 ISGELI_YES 146}; --- 154 unchanged lines hidden (view full) --- 301 DEBUG("unit 0x%x flags %x, sectors %llu, sectorsize %u", 302 bd->bd_unit, bd->bd_flags, bd->bd_sectors, bd->bd_sectorsize); 303 return (1); 304} 305 306/* 307 * Print information about disks 308 */ |
| 309static void | 309static int |
| 310bd_print(int verbose) 311{ 312 static char line[80]; 313 struct disk_devdesc dev; | 310bd_print(int verbose) 311{ 312 static char line[80]; 313 struct disk_devdesc dev; |
| 314 int i; | 314 int i, ret = 0; |
| 315 | 315 |
| 316 pager_open(); | 316 if (nbdinfo == 0) 317 return (0); 318 319 printf("%s devices:", biosdisk.dv_name); 320 if ((ret = pager_output("\n")) != 0) 321 return (ret); 322 |
| 317 for (i = 0; i < nbdinfo; i++) { | 323 for (i = 0; i < nbdinfo; i++) { |
| 318 sprintf(line, " disk%d: BIOS drive %c (%ju X %u):\n", i, | 324 snprintf(line, sizeof(line), 325 " disk%d: BIOS drive %c (%ju X %u):\n", i, |
| 319 (bdinfo[i].bd_unit < 0x80) ? ('A' + bdinfo[i].bd_unit): 320 ('C' + bdinfo[i].bd_unit - 0x80), 321 (uintmax_t)bdinfo[i].bd_sectors, 322 bdinfo[i].bd_sectorsize); | 326 (bdinfo[i].bd_unit < 0x80) ? ('A' + bdinfo[i].bd_unit): 327 ('C' + bdinfo[i].bd_unit - 0x80), 328 (uintmax_t)bdinfo[i].bd_sectors, 329 bdinfo[i].bd_sectorsize); |
| 323 if (pager_output(line)) | 330 if ((ret = pager_output(line)) != 0) |
| 324 break; 325 dev.d_dev = &biosdisk; 326 dev.d_unit = i; 327 dev.d_slice = -1; 328 dev.d_partition = -1; 329 if (disk_open(&dev, 330 bdinfo[i].bd_sectorsize * bdinfo[i].bd_sectors, 331 bdinfo[i].bd_sectorsize, 332 (bdinfo[i].bd_flags & BD_FLOPPY) ? 333 DISK_F_NOCACHE: 0) == 0) { | 331 break; 332 dev.d_dev = &biosdisk; 333 dev.d_unit = i; 334 dev.d_slice = -1; 335 dev.d_partition = -1; 336 if (disk_open(&dev, 337 bdinfo[i].bd_sectorsize * bdinfo[i].bd_sectors, 338 bdinfo[i].bd_sectorsize, 339 (bdinfo[i].bd_flags & BD_FLOPPY) ? 340 DISK_F_NOCACHE: 0) == 0) { |
| 334 sprintf(line, " disk%d", i); 335 disk_print(&dev, line, verbose); | 341 snprintf(line, sizeof(line), " disk%d", i); 342 ret = disk_print(&dev, line, verbose); |
| 336 disk_close(&dev); | 343 disk_close(&dev); |
| 344 if (ret != 0) 345 return (ret); |
|
| 337 } 338 } | 346 } 347 } |
| 339 pager_close(); | 348 return (ret); |
| 340} 341 342/* 343 * Attempt to open the disk described by (dev) for use by (f). 344 * 345 * Note that the philosophy here is "give them exactly what 346 * they ask for". This is necessary because being too "smart" 347 * about what the user might want leads to complications. --- 575 unchanged lines hidden --- | 349} 350 351/* 352 * Attempt to open the disk described by (dev) for use by (f). 353 * 354 * Note that the philosophy here is "give them exactly what 355 * they ask for". This is necessary because being too "smart" 356 * about what the user might want leads to complications. --- 575 unchanged lines hidden --- |