#include <linux/blkdev.h>
#include <linux/blkpg.h>
#include <linux/cdrom.h>
+#include <linux/delay.h>
#include <asm/io.h>
#include <asm/uaccess.h>
-#include "scsi.h"
-#include "hosts.h"
+#include <scsi/scsi.h>
+#include <scsi/scsi_dbg.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_host.h>
#include <scsi/scsi_ioctl.h>
+#include <scsi/scsi_cmnd.h>
#include "sr.h"
* It is off by default and can be turned on with this module parameter */
static int xa_test = 0;
+module_param(xa_test, int, S_IRUGO | S_IWUSR);
+
+/* primitive to determine whether we need to have GFP_DMA set based on
+ * the status of the unchecked_isa_dma flag in the host structure */
+#define SR_GFP_DMA(cd) (((cd)->device->host->unchecked_isa_dma) ? GFP_DMA : 0)
+
+
+static int sr_read_tochdr(struct cdrom_device_info *cdi,
+ struct cdrom_tochdr *tochdr)
+{
+ struct scsi_cd *cd = cdi->handle;
+ struct packet_command cgc;
+ int result;
+ unsigned char *buffer;
+
+ buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
+ if (!buffer)
+ return -ENOMEM;
+
+ memset(&cgc, 0, sizeof(struct packet_command));
+ cgc.timeout = IOCTL_TIMEOUT;
+ cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
+ cgc.cmd[8] = 12; /* LSB of length */
+ cgc.buffer = buffer;
+ cgc.buflen = 12;
+ cgc.quiet = 1;
+ cgc.data_direction = DMA_FROM_DEVICE;
+
+ result = sr_do_ioctl(cd, &cgc);
+
+ tochdr->cdth_trk0 = buffer[2];
+ tochdr->cdth_trk1 = buffer[3];
+
+ kfree(buffer);
+ return result;
+}
+
+static int sr_read_tocentry(struct cdrom_device_info *cdi,
+ struct cdrom_tocentry *tocentry)
+{
+ struct scsi_cd *cd = cdi->handle;
+ struct packet_command cgc;
+ int result;
+ unsigned char *buffer;
+
+ buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
+ if (!buffer)
+ return -ENOMEM;
+
+ memset(&cgc, 0, sizeof(struct packet_command));
+ cgc.timeout = IOCTL_TIMEOUT;
+ cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
+ cgc.cmd[1] |= (tocentry->cdte_format == CDROM_MSF) ? 0x02 : 0;
+ cgc.cmd[6] = tocentry->cdte_track;
+ cgc.cmd[8] = 12; /* LSB of length */
+ cgc.buffer = buffer;
+ cgc.buflen = 12;
+ cgc.data_direction = DMA_FROM_DEVICE;
+
+ result = sr_do_ioctl(cd, &cgc);
+
+ tocentry->cdte_ctrl = buffer[5] & 0xf;
+ tocentry->cdte_adr = buffer[5] >> 4;
+ tocentry->cdte_datamode = (tocentry->cdte_ctrl & 0x04) ? 1 : 0;
+ if (tocentry->cdte_format == CDROM_MSF) {
+ tocentry->cdte_addr.msf.minute = buffer[9];
+ tocentry->cdte_addr.msf.second = buffer[10];
+ tocentry->cdte_addr.msf.frame = buffer[11];
+ } else
+ tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
+ + buffer[10]) << 8) + buffer[11];
+
+ kfree(buffer);
+ return result;
+}
+
#define IOCTL_RETRIES 3
/* ATAPI drives don't have a SCMD_PLAYAUDIO_TI command. When these drives
struct packet_command cgc;
int ntracks, ret;
- if ((ret = sr_audio_ioctl(cdi, CDROMREADTOCHDR, &tochdr)))
+ ret = sr_read_tochdr(cdi, &tochdr);
+ if (ret)
return ret;
ntracks = tochdr.cdth_trk1 - tochdr.cdth_trk0 + 1;
trk1_te.cdte_track = ti->cdti_trk1;
trk1_te.cdte_format = CDROM_MSF;
- if ((ret = sr_audio_ioctl(cdi, CDROMREADTOCENTRY, &trk0_te)))
+ ret = sr_read_tocentry(cdi, &trk0_te);
+ if (ret)
return ret;
- if ((ret = sr_audio_ioctl(cdi, CDROMREADTOCENTRY, &trk1_te)))
+ ret = sr_read_tocentry(cdi, &trk1_te);
+ if (ret)
return ret;
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[6] = trk1_te.cdte_addr.msf.minute;
cgc.cmd[7] = trk1_te.cdte_addr.msf.second;
cgc.cmd[8] = trk1_te.cdte_addr.msf.frame;
- cgc.data_direction = SCSI_DATA_NONE;
+ cgc.data_direction = DMA_NONE;
cgc.timeout = IOCTL_TIMEOUT;
return sr_do_ioctl(cdi->handle, &cgc);
}
+static int sr_play_trkind(struct cdrom_device_info *cdi,
+ struct cdrom_ti *ti)
+
+{
+ struct scsi_cd *cd = cdi->handle;
+ struct packet_command cgc;
+ int result;
+
+ memset(&cgc, 0, sizeof(struct packet_command));
+ cgc.timeout = IOCTL_TIMEOUT;
+ cgc.cmd[0] = GPCMD_PLAYAUDIO_TI;
+ cgc.cmd[4] = ti->cdti_trk0;
+ cgc.cmd[5] = ti->cdti_ind0;
+ cgc.cmd[7] = ti->cdti_trk1;
+ cgc.cmd[8] = ti->cdti_ind1;
+ cgc.data_direction = DMA_NONE;
+
+ result = sr_do_ioctl(cd, &cgc);
+ if (result == -EDRIVE_CANT_DO_THIS)
+ result = sr_fake_playtrkind(cdi, ti);
+
+ return result;
+}
+
/* We do our own retries because we want to know what the specific
error code is. Normally the UNIT_ATTENTION code will automatically
clear after one error */
int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
{
- struct scsi_request *SRpnt;
struct scsi_device *SDev;
- struct request *req;
+ struct scsi_sense_hdr sshdr;
int result, err = 0, retries = 0;
+ struct request_sense *sense = cgc->sense;
SDev = cd->device;
- SRpnt = scsi_allocate_request(SDev, GFP_KERNEL);
- if (!SRpnt) {
- printk(KERN_ERR "Unable to allocate SCSI request in sr_do_ioctl");
- err = -ENOMEM;
- goto out;
- }
- SRpnt->sr_data_direction = cgc->data_direction;
+
+ if (!sense) {
+ sense = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
+ if (!sense) {
+ err = -ENOMEM;
+ goto out;
+ }
+ }
retry:
if (!scsi_block_when_processing_errors(SDev)) {
err = -ENODEV;
- goto out_free;
+ goto out;
}
- scsi_wait_req(SRpnt, cgc->cmd, cgc->buffer, cgc->buflen,
- cgc->timeout, IOCTL_RETRIES);
-
- req = SRpnt->sr_request;
- if (SRpnt->sr_buffer && req->buffer && SRpnt->sr_buffer != req->buffer) {
- memcpy(req->buffer, SRpnt->sr_buffer, SRpnt->sr_bufflen);
- kfree(SRpnt->sr_buffer);
- SRpnt->sr_buffer = req->buffer;
- }
+ memset(sense, 0, sizeof(*sense));
+ result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
+ cgc->buffer, cgc->buflen, (char *)sense,
+ cgc->timeout, IOCTL_RETRIES, 0);
- result = SRpnt->sr_result;
+ scsi_normalize_sense((char *)sense, sizeof(*sense), &sshdr);
/* Minimal error checking. Ignore cases we know about, and report the rest. */
if (driver_byte(result) != 0) {
- switch (SRpnt->sr_sense_buffer[2] & 0xf) {
+ switch (sshdr.sense_key) {
case UNIT_ATTENTION:
SDev->changed = 1;
if (!cgc->quiet)
err = -ENOMEDIUM;
break;
case NOT_READY: /* This happens if there is no disc in drive */
- if (SRpnt->sr_sense_buffer[12] == 0x04 &&
- SRpnt->sr_sense_buffer[13] == 0x01) {
+ if (sshdr.asc == 0x04 &&
+ sshdr.ascq == 0x01) {
/* sense: Logical unit is in process of becoming ready */
if (!cgc->quiet)
printk(KERN_INFO "%s: CDROM not ready yet.\n", cd->cdi.name);
if (retries++ < 10) {
/* sleep 2 sec and try again */
- scsi_sleep(2 * HZ);
+ ssleep(2);
goto retry;
} else {
/* 20 secs are enough? */
if (!cgc->quiet)
printk(KERN_INFO "%s: CDROM not ready. Make sure there is a disc in the drive.\n", cd->cdi.name);
#ifdef DEBUG
- print_req_sense("sr", SRpnt);
+ scsi_print_sense_hdr("sr", &sshdr);
#endif
err = -ENOMEDIUM;
break;
case ILLEGAL_REQUEST:
err = -EIO;
- if (SRpnt->sr_sense_buffer[12] == 0x20 &&
- SRpnt->sr_sense_buffer[13] == 0x00)
+ if (sshdr.asc == 0x20 &&
+ sshdr.ascq == 0x00)
/* sense: Invalid command operation code */
err = -EDRIVE_CANT_DO_THIS;
#ifdef DEBUG
- print_command(cgc->cmd);
- print_req_sense("sr", SRpnt);
+ __scsi_print_command(cgc->cmd);
+ scsi_print_sense_hdr("sr", &sshdr);
#endif
break;
default:
printk(KERN_ERR "%s: CDROM (ioctl) error, command: ", cd->cdi.name);
- print_command(cgc->cmd);
- print_req_sense("sr", SRpnt);
+ __scsi_print_command(cgc->cmd);
+ scsi_print_sense_hdr("sr", &sshdr);
err = -EIO;
}
}
- if (cgc->sense)
- memcpy(cgc->sense, SRpnt->sr_sense_buffer, sizeof(*cgc->sense));
-
/* Wake up a process waiting for device */
- out_free:
- scsi_release_request(SRpnt);
- SRpnt = NULL;
out:
+ if (!cgc->sense)
+ kfree(sense);
cgc->stat = err;
return err;
}
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[0] = GPCMD_TEST_UNIT_READY;
cgc.quiet = 1;
- cgc.data_direction = SCSI_DATA_NONE;
+ cgc.data_direction = DMA_NONE;
cgc.timeout = IOCTL_TIMEOUT;
return sr_do_ioctl(cd, &cgc);
}
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[0] = GPCMD_START_STOP_UNIT;
cgc.cmd[4] = (pos == 0) ? 0x03 /* close */ : 0x02 /* eject */ ;
- cgc.data_direction = SCSI_DATA_NONE;
+ cgc.data_direction = DMA_NONE;
cgc.timeout = IOCTL_TIMEOUT;
return sr_do_ioctl(cd, &cgc);
}
int i, rc, have_datatracks = 0;
/* look for data tracks */
- if (0 != (rc = sr_audio_ioctl(cdi, CDROMREADTOCHDR, &toc_h)))
+ rc = sr_read_tochdr(cdi, &toc_h);
+ if (rc)
return (rc == -ENOMEDIUM) ? CDS_NO_DISC : CDS_NO_INFO;
for (i = toc_h.cdth_trk0; i <= toc_h.cdth_trk1; i++) {
toc_e.cdte_track = i;
toc_e.cdte_format = CDROM_LBA;
- if (sr_audio_ioctl(cdi, CDROMREADTOCENTRY, &toc_e))
+ if (sr_read_tocentry(cdi, &toc_e))
return CDS_NO_INFO;
if (toc_e.cdte_ctrl & CDROM_DATA_TRACK) {
have_datatracks = 1;
return 0;
}
-/* primitive to determine whether we need to have GFP_DMA set based on
- * the status of the unchecked_isa_dma flag in the host structure */
-#define SR_GFP_DMA(cd) (((cd)->device->host->unchecked_isa_dma) ? GFP_DMA : 0)
-
int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
{
Scsi_CD *cd = cdi->handle;
char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
int result;
+ if (!buffer)
+ return -ENOMEM;
+
memset(&cgc, 0, sizeof(struct packet_command));
cgc.cmd[0] = GPCMD_READ_SUBCHANNEL;
cgc.cmd[2] = 0x40; /* I do want the subchannel info */
cgc.cmd[8] = 24;
cgc.buffer = buffer;
cgc.buflen = 24;
- cgc.data_direction = SCSI_DATA_READ;
+ cgc.data_direction = DMA_FROM_DEVICE;
cgc.timeout = IOCTL_TIMEOUT;
result = sr_do_ioctl(cd, &cgc);
cgc.cmd[0] = GPCMD_SET_SPEED; /* SET CD SPEED */
cgc.cmd[2] = (speed >> 8) & 0xff; /* MSB for speed (in kbytes/sec) */
cgc.cmd[3] = speed & 0xff; /* LSB */
- cgc.data_direction = SCSI_DATA_NONE;
+ cgc.data_direction = DMA_NONE;
cgc.timeout = IOCTL_TIMEOUT;
if (sr_do_ioctl(cd, &cgc))
int sr_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, void *arg)
{
- Scsi_CD *cd = cdi->handle;
- struct packet_command cgc;
- int result;
- unsigned char *buffer = kmalloc(32, GFP_KERNEL | SR_GFP_DMA(cd));
-
- memset(&cgc, 0, sizeof(struct packet_command));
- cgc.timeout = IOCTL_TIMEOUT;
-
switch (cmd) {
case CDROMREADTOCHDR:
- {
- struct cdrom_tochdr *tochdr = (struct cdrom_tochdr *) arg;
-
- cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
- cgc.cmd[8] = 12; /* LSB of length */
- cgc.buffer = buffer;
- cgc.buflen = 12;
- cgc.quiet = 1;
- cgc.data_direction = SCSI_DATA_READ;
-
- result = sr_do_ioctl(cd, &cgc);
-
- tochdr->cdth_trk0 = buffer[2];
- tochdr->cdth_trk1 = buffer[3];
-
- break;
- }
-
+ return sr_read_tochdr(cdi, arg);
case CDROMREADTOCENTRY:
- {
- struct cdrom_tocentry *tocentry = (struct cdrom_tocentry *) arg;
-
- cgc.cmd[0] = GPCMD_READ_TOC_PMA_ATIP;
- cgc.cmd[1] |= (tocentry->cdte_format == CDROM_MSF) ? 0x02 : 0;
- cgc.cmd[6] = tocentry->cdte_track;
- cgc.cmd[8] = 12; /* LSB of length */
- cgc.buffer = buffer;
- cgc.buflen = 12;
- cgc.data_direction = SCSI_DATA_READ;
-
- result = sr_do_ioctl(cd, &cgc);
-
- tocentry->cdte_ctrl = buffer[5] & 0xf;
- tocentry->cdte_adr = buffer[5] >> 4;
- tocentry->cdte_datamode = (tocentry->cdte_ctrl & 0x04) ? 1 : 0;
- if (tocentry->cdte_format == CDROM_MSF) {
- tocentry->cdte_addr.msf.minute = buffer[9];
- tocentry->cdte_addr.msf.second = buffer[10];
- tocentry->cdte_addr.msf.frame = buffer[11];
- } else
- tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
- + buffer[10]) << 8) + buffer[11];
-
- break;
- }
-
- case CDROMPLAYTRKIND: {
- struct cdrom_ti* ti = (struct cdrom_ti*)arg;
-
- cgc.cmd[0] = GPCMD_PLAYAUDIO_TI;
- cgc.cmd[4] = ti->cdti_trk0;
- cgc.cmd[5] = ti->cdti_ind0;
- cgc.cmd[7] = ti->cdti_trk1;
- cgc.cmd[8] = ti->cdti_ind1;
- cgc.data_direction = SCSI_DATA_NONE;
-
- result = sr_do_ioctl(cd, &cgc);
- if (result == -EDRIVE_CANT_DO_THIS)
- result = sr_fake_playtrkind(cdi, ti);
-
- break;
- }
-
+ return sr_read_tocentry(cdi, arg);
+ case CDROMPLAYTRKIND:
+ return sr_play_trkind(cdi, arg);
default:
- result = -EINVAL;
+ return -EINVAL;
}
-
-#if 0
- if (result)
- printk("DEBUG: sr_audio: result for ioctl %x: %x\n", cmd, result);
-#endif
-
- kfree(buffer);
- return result;
}
/* -----------------------------------------------------------------------
}
cgc.buffer = dest;
cgc.buflen = blksize;
- cgc.data_direction = SCSI_DATA_READ;
+ cgc.data_direction = DMA_FROM_DEVICE;
cgc.timeout = IOCTL_TIMEOUT;
return sr_do_ioctl(cd, &cgc);
}
cgc.cmd[8] = 1;
cgc.buffer = dest;
cgc.buflen = blksize;
- cgc.data_direction = SCSI_DATA_READ;
+ cgc.data_direction = DMA_FROM_DEVICE;
cgc.timeout = IOCTL_TIMEOUT;
rc = sr_do_ioctl(cd, &cgc);
if (!xa_test)
return 0;
- raw_sector = (unsigned char *) kmalloc(2048, GFP_KERNEL | SR_GFP_DMA(cd));
+ raw_sector = kmalloc(2048, GFP_KERNEL | SR_GFP_DMA(cd));
if (!raw_sector)
return -ENOMEM;
if (0 == sr_read_sector(cd, cd->ms_offset + 16,
#endif
return is_xa;
}
-
-int sr_dev_ioctl(struct cdrom_device_info *cdi,
- unsigned int cmd, unsigned long arg)
-{
- Scsi_CD *cd = cdi->handle;
- return scsi_ioctl(cd->device, cmd, (void __user *)arg);
-}
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