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Logging of early SCSI commands of Linux system adapter to stderr

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This commit is contained in:
Thomas Schmitt
2011-11-10 15:37:32 +00:00
parent cf181bdcd6
commit 6c9b5a4419
4 changed files with 171 additions and 44 deletions
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55
libburn/sg-linux.c
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@ -376,10 +376,48 @@ static int sg_exchange_scd_for_sr(char *fname, int flag)
}
/* ts B11110 */
/* This is an early stage version of scsi_log_cmd.
>>> It will become obsolete when the /tmp file handler is moved into
>>> scsi_log_command().
*/
static int sgio_log_cmd(unsigned char *cmd, int cmd_len, FILE *fp_in, int flag)
{
FILE *fp = fp_in;
int ret;
/* >>> ts B11110 : move this into scsi_log_command() */
if (fp == NULL && (burn_sg_log_scsi & 1)) {
fp= fopen("/tmp/libburn_sg_command_log", "a");
fprintf(fp, "\n=========================================\n");
}
ret = scsi_log_command(cmd, cmd_len, NO_TRANSFER, NULL, 0, fp, flag);
if (fp_in == NULL && fp != NULL)
fclose(fp);
return ret;
}
/* ts B11110 */
static int sgio_log_reply(unsigned char *opcode, int data_dir,
unsigned char *data, int dxfer_len,
void *fp_in, unsigned char sense[18],
int sense_len, int duration, int flag)
{
int ret;
ret = scsi_log_reply(opcode, data_dir, data, dxfer_len, fp_in,
sense, sense_len, duration, flag);
return 1;
}
static int sgio_test(int fd)
{
unsigned char test_ops[] = { 0, 0, 0, 0, 0, 0 };
sg_io_hdr_t s;
int ret;
memset(&s, 0, sizeof(sg_io_hdr_t));
s.interface_id = 'S';
@ -387,7 +425,14 @@ static int sgio_test(int fd)
s.cmd_len = 6;
s.cmdp = test_ops;
s.timeout = 12345;
return ioctl(fd, SG_IO, &s);
sgio_log_cmd(s.cmdp, s.cmd_len, NULL, 0);
ret= ioctl(fd, SG_IO, &s);
sgio_log_reply(s.cmdp, NO_TRANSFER, NULL, 0,
NULL, s.sbp, s.sb_len_wr, s.duration, 0);
return ret;
}
@ -416,6 +461,8 @@ static int sgio_inquiry_cd_drive(int fd, char *fname)
s.dxfer_len = 36;
s.usr_ptr = NULL;
sgio_log_cmd(s.cmdp, s.cmd_len, NULL, 0);
ret = ioctl(fd, SG_IO, &s);
if (ret == -1) {
sprintf(msg,
@ -426,6 +473,10 @@ static int sgio_inquiry_cd_drive(int fd, char *fname)
msg, 0, 0);
goto ex;
}
sgio_log_reply(s.cmdp, FROM_DRIVE, buf->data, s.dxfer_len,
NULL, s.sbp, s.sb_len_wr, s.duration, 0);
if (s.sb_len_wr > 0 || s.host_status != Libburn_sg_host_oK ||
s.driver_status != Libburn_sg_driver_oK) {
sprintf(msg, "INQUIRY failed on '%s' : host_status= %hd , driver_status= %hd", fname, s.host_status, s.driver_status);
@ -1830,6 +1881,8 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
d->fd, d->released);
mmc_function_spy(NULL, msg);
/* >>> ts B11110 : move this into scsi_log_cmd() together with the
static fp */
/* ts A61030 */
if (burn_sg_log_scsi & 1) {
if (fp == NULL) {