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Made portability clarifications

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This commit is contained in:
Thomas Schmitt
2006-11-15 17:10:12 +00:00
parent 595b877a24
commit 13641fcbae
8 changed files with 990 additions and 414 deletions
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100
libburn/sg-freebsd.c
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@ -1,19 +1,17 @@
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
/* >>> ts A61021 : for testing the new arrangement of code
please outcomment these defines : */
/* Keeps alive old enumerate_common(). New version delegates much work
/* Revives old enumerate_common(). New version delegates much work
to methods in drive, mmc, spc, and sbc .
*/
#define Scsi_freebsd_make_own_enumeratE 1
/* Keeps alive old sg_enumerate(). New version delegates most work to
/* Revives old scsi_enumerate_drives(). New version delegates most work to
sg_give_next_adr().
*/
#define Scsi_freebsd_old_sg_enumeratE 1
#define Scsi_freebsd_old_scsi_enumeratE 1
#include <assert.h>
@ -59,7 +57,7 @@ int burn_drive_is_banned(char *device_address);
int mmc_function_spy(char * text);
#ifdef Scsi_freebsd_old_sg_enumeratE
#ifdef Scsi_freebsd_old_scsi_enumeratE
int sg_give_next_adr(burn_drive_enumerator_t *idx,
char adr[], int adr_size, int initialize)
@ -78,10 +76,11 @@ int sg_obtain_scsi_adr(char *path, int *bus_no, int *host_no, int *channel_no,
return (0);
}
#else /* Scsi_freebsd_old_sg_enumeratE */
#else /* Scsi_freebsd_old_scsi_enumeratE */
/* ts A61021 : Moved most code from sg_enumerate under sg_give_next_adr() */
/* Some helper functions for sg_give_next_adr() */
/* ts A61021 : Moved most code from scsi_enumerate_drives under
sg_give_next_adr() */
/* Some helper functions for scsi_give_next_adr() */
static int sg_init_enumerator(burn_drive_enumerator_t *idx)
{
@ -172,7 +171,7 @@ int sg_give_next_adr(burn_drive_enumerator_t *idx,
try_item:; /* This spaghetti loop keeps the number of tabs small */
/* Loop content from old sg_enumerate() */
/* Loop content from old scsi_enumerate_drives() */
while (idx->i >= idx->ccb.cdm.num_matches) {
ret = sg_next_enumeration_buffer(idx);
@ -277,7 +276,7 @@ int sg_obtain_scsi_adr(char *path, int *bus_no, int *host_no, int *channel_no,
return (0);
}
#endif /* ! Scsi_freebsd_old_sg_enumeratE */
#endif /* ! Scsi_freebsd_old_scsi_enumeratE */
int sg_close_drive(struct burn_drive * d)
@ -294,20 +293,10 @@ int sg_drive_is_open(struct burn_drive * d)
return (d->cam != NULL);
}
void ata_enumerate(void)
{
/* ts A61021: Only a dummy function is needed in FreeBSD */
/* The difference between sg and ata should be encapsulated
in sg-linux.c */
;
}
void sg_enumerate(void)
int scsi_enumerate_drives(void)
{
#ifdef Scsi_freebsd_old_sg_enumeratE
#ifdef Scsi_freebsd_old_scsi_enumeratE
union ccb ccb;
int bufsize, fd;
@ -404,7 +393,7 @@ void sg_enumerate(void)
close(fd);
#else /* Scsi_freebsd_old_sg_enumeratE */
#else /* Scsi_freebsd_old_scsi_enumeratE */
burn_drive_enumerator_t idx;
int initialize = 1;
@ -423,7 +412,7 @@ void sg_enumerate(void)
}
sg_give_next_adr(&idx, buf, sizeof(buf), -1);
#endif /* ! Scsi_freebsd_old_sg_enumeratE */
#endif /* ! Scsi_freebsd_old_scsi_enumeratE */
}
@ -706,64 +695,3 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
return 1;
}
enum response scsi_error(struct burn_drive *d, unsigned char *sense,
int senselen)
{
int key, asc, ascq;
senselen = senselen;
key = sense[2];
asc = sense[12];
ascq = sense[13];
burn_print(12, "CONDITION: 0x%x 0x%x 0x%x on %s %s\n",
key, asc, ascq, d->idata->vendor, d->idata->product);
switch (asc) {
case 0:
burn_print(12, "NO ERROR!\n");
return RETRY;
case 2:
burn_print(1, "not ready\n");
return RETRY;
case 4:
burn_print(1,
"logical unit is in the process of becoming ready\n");
return RETRY;
case 0x20:
if (key == 5)
burn_print(1, "bad opcode\n");
return FAIL;
case 0x21:
burn_print(1, "invalid address or something\n");
return FAIL;
case 0x24:
if (key == 5)
burn_print(1, "invalid field in cdb\n");
else
break;
return FAIL;
case 0x26:
if (key == 5)
burn_print( 1, "invalid field in parameter list\n" );
return FAIL;
case 0x28:
if (key == 6)
burn_print(1,
"Not ready to ready change, medium may have changed\n");
else
break;
return RETRY;
case 0x3A:
burn_print(12, "Medium not present in %s %s\n",
d->idata->vendor, d->idata->product);
d->status = BURN_DISC_EMPTY;
return FAIL;
}
burn_print(1, "unknown failure\n");
burn_print(1, "key:0x%x, asc:0x%x, ascq:0x%x\n", key, asc, ascq);
return FAIL;
}