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Add mcc_test_unit_ready and mmc_mode_select (buggy). Allow for timeouts on

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mmc commands - more work needed here too.
This commit is contained in:
R. Bernstein
2010-02-07 07:20:28 -05:00
parent 51f6eb6912
commit bf7d63b435
4 changed files with 157 additions and 67 deletions
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83
lib/driver/mmc_cmds.c
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@@ -66,9 +66,9 @@
'direction' is the SCSI direction (read, write, none) of the
command.
*/
#define MMC_RUN_CMD(direction) \
#define MMC_RUN_CMD(direction, i_timeout) \
p_cdio->op.run_mmc_cmd(p_cdio->env, \
mmc_timeout_ms, \
i_timeout, \
mmc_get_cmd_len(cdb.field[0]), \
&cdb, \
direction, i_size, p_buf)
@@ -93,7 +93,7 @@ mmc_get_event_status(const CdIo_t *p_cdio, uint8_t out_buf[2])
cdb.field[1] = 1; /* We poll for info */
cdb.field[4] = 1 << 4; /* We want Media events */
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ);
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ, mmc_timeout_ms);
if (i_status == DRIVER_OP_SUCCESS) {
out_buf[0] = buf[4];
out_buf[1] = buf[5];
@@ -102,7 +102,36 @@ mmc_get_event_status(const CdIo_t *p_cdio, uint8_t out_buf[2])
}
/**
Run a MODE_SENSE command (6- or 10-byte version)
Run a SCSI-MMC MODE SELECT (10-byte) command
and put the results in p_buf.
@param p_cdio the CD object to be acted upon.
@param p_buf pointer to location to store mode sense information
@param i_size number of bytes allocated to p_buf
@param page which "page" of the mode sense command we are interested in
@param i_timeout value in milliseconds to use on timeout. Setting
to 0 uses the default time-out value stored in
mmc_timeout_ms.
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
driver_return_code_t
mmc_mode_select_10(CdIo_t *p_cdio, /*out*/ void *p_buf, unsigned int i_size,
int page, unsigned int i_timeout)
{
if (0 == i_timeout) i_timeout = mmc_timeout_ms;
MMC_CMD_SETUP_READ16(CDIO_MMC_GPCMD_MODE_SELECT_10);
cdb.field[1] = page;
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE, i_timeout);
}
/**
Run a SCSI-MMC MMC MODE SENSE command (6- or 10-byte version)
and put the results in p_buf
@param p_cdio the CD object to be acted upon.
@param p_buf pointer to location to store mode sense information
@@ -111,8 +140,8 @@ mmc_get_event_status(const CdIo_t *p_cdio, uint8_t out_buf[2])
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
driver_return_code_t
mmc_mode_sense( CdIo_t *p_cdio, /*out*/ void *p_buf, int i_size,
int page)
mmc_mode_sense(CdIo_t *p_cdio, /*out*/ void *p_buf, unsigned int i_size,
int page)
{
/* We used to make a choice as to which routine we'd use based
cdio_have_atapi(). But since that calls this in its determination,
@@ -125,7 +154,7 @@ mmc_mode_sense( CdIo_t *p_cdio, /*out*/ void *p_buf, int i_size,
}
/**
Run a MODE_SENSE command (10-byte version)
Run a SCSI-MMC MODE SENSE command (10-byte version)
and put the results in p_buf
@param p_cdio the CD object to be acted upon.
@param p_buf pointer to location to store mode sense information
@@ -134,15 +163,15 @@ mmc_mode_sense( CdIo_t *p_cdio, /*out*/ void *p_buf, int i_size,
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
driver_return_code_t
mmc_mode_sense_10( CdIo_t *p_cdio, void *p_buf, int i_size, int page)
mmc_mode_sense_10(CdIo_t *p_cdio, void *p_buf, unsigned int i_size, int page)
{
MMC_CMD_SETUP_READ16(CDIO_MMC_GPCMD_MODE_SENSE_10);
cdb.field[2] = CDIO_MMC_ALL_PAGES & page;
return MMC_RUN_CMD(SCSI_MMC_DATA_READ);
return MMC_RUN_CMD(SCSI_MMC_DATA_READ, mmc_timeout_ms);
}
/**
Run a MODE_SENSE command (6-byte version)
Run a SCSI-MMC MODE SENSE command (6-byte version)
and put the results in p_buf
@param p_cdio the CD object to be acted upon.
@param p_buf pointer to location to store mode sense information
@@ -151,21 +180,20 @@ mmc_mode_sense_10( CdIo_t *p_cdio, void *p_buf, int i_size, int page)
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
driver_return_code_t
mmc_mode_sense_6( CdIo_t *p_cdio, void *p_buf, int i_size, int page)
mmc_mode_sense_6(CdIo_t *p_cdio, void *p_buf, unsigned int i_size, int page)
{
MMC_CMD_SETUP(CDIO_MMC_GPCMD_MODE_SENSE_6);
cdb.field[4] = i_size;
cdb.field[2] = CDIO_MMC_ALL_PAGES & page;
return MMC_RUN_CMD(SCSI_MMC_DATA_READ);
return MMC_RUN_CMD(SCSI_MMC_DATA_READ, mmc_timeout_ms);
}
/* Maximum blocks to retrieve. Would be nice to customize this based on
drive capabilities.
*/
#define MAX_CD_READ_BLOCKS 16
#define CD_READ_TIMEOUT_MS mmc_timeout_ms * (MAX_CD_READ_BLOCKS/2)
/**
Issue a MMC READ_CD command.
@@ -265,6 +293,8 @@ mmc_mode_sense_6( CdIo_t *p_cdio, void *p_buf, int i_size, int page)
@param i_blocksize size of the a block expected to be returned
@param i_blocks number of blocks expected to be returned.
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
driver_return_code_t
mmc_read_cd(const CdIo_t *p_cdio, void *p_buf1, lsn_t i_lsn,
@@ -277,6 +307,7 @@ mmc_read_cd(const CdIo_t *p_cdio, void *p_buf1, lsn_t i_lsn,
void *p_buf = p_buf1;
uint8_t cdb9 = 0;
const unsigned int i_size = i_blocksize * i_blocks;
const unsigned int i_timeout = mmc_timeout_ms * (MAX_CD_READ_BLOCKS/2);
MMC_CMD_SETUP(CDIO_MMC_GPCMD_READ_CD);
@@ -305,7 +336,7 @@ mmc_read_cd(const CdIo_t *p_cdio, void *p_buf1, lsn_t i_lsn,
CDIO_MMC_SET_READ_LBA (cdb.field, (i_lsn+j));
CDIO_MMC_SET_READ_LENGTH24(cdb.field, i_blocks2);
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ);
i_status = MMC_RUN_CMD(SCSI_MMC_DATA_READ, i_timeout);
if (i_status) return i_status;
@@ -338,6 +369,8 @@ mmc_read_cd(const CdIo_t *p_cdio, void *p_buf1, lsn_t i_lsn,
driver.
@see cdio_set_speed and mmc_set_drive_speed
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
int
mmc_set_speed(const CdIo_t *p_cdio, int i_Kbs_speed)
@@ -362,11 +395,11 @@ mmc_set_speed(const CdIo_t *p_cdio, int i_Kbs_speed)
the maximum allowable speed.
*/
CDIO_MMC_SET_LEN16(cdb.field, 4, 0xffff);
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE);
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE, mmc_timeout_ms);
}
/**
Load or Unload media using a MMC START/STOP UNIT command.
Load or Unload media using a SCSI-MMC START/STOP UNIT command.
@param p_cdio the CD object to be acted upon.
@param b_eject eject if true and close tray if false
@@ -397,5 +430,21 @@ mmc_start_stop_unit(const CdIo_t *p_cdio, bool b_eject, bool b_immediate,
cdb.field[4] = 3; /* close tray for tray-type */
}
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE);
return MMC_RUN_CMD(SCSI_MMC_DATA_WRITE, mmc_timeout_ms);
}
/**
Check if drive is ready using SCSI-MMC TEST UNIT READY command.
@param p_cdio the CD object to be acted upon.
@return DRIVER_OP_SUCCESS if we ran the command ok.
*/
driver_return_code_t
mmc_test_unit_ready(const CdIo_t *p_cdio)
{
const unsigned int i_size = 0;
void * p_buf = NULL;
MMC_CMD_SETUP_READ16(CDIO_MMC_GPCMD_TEST_UNIT_READY);
return MMC_RUN_CMD(SCSI_MMC_DATA_NONE, mmc_timeout_ms);
}