static void ahd_dump_target_state(struct ahd_softc *ahd,
struct info_str *info,
u_int our_id, char channel,
- u_int target_id, u_int target_offset);
+ u_int target_id);
static void ahd_dump_device_state(struct info_str *info,
- struct ahd_linux_device *dev);
+ struct scsi_device *sdev);
static int ahd_proc_write_seeprom(struct ahd_softc *ahd,
char *buffer, int length);
+/*
+ * Table of syncrates that don't follow the "divisible by 4"
+ * rule. This table will be expanded in future SCSI specs.
+ */
+static struct {
+ u_int period_factor;
+ u_int period; /* in 100ths of ns */
+} scsi_syncrates[] = {
+ { 0x08, 625 }, /* FAST-160 */
+ { 0x09, 1250 }, /* FAST-80 */
+ { 0x0a, 2500 }, /* FAST-40 40MHz */
+ { 0x0b, 3030 }, /* FAST-40 33MHz */
+ { 0x0c, 5000 } /* FAST-20 */
+};
+
+/*
+ * Return the frequency in kHz corresponding to the given
+ * sync period factor.
+ */
+static u_int
+ahd_calc_syncsrate(u_int period_factor)
+{
+ int i;
+
+ /* See if the period is in the "exception" table */
+ for (i = 0; i < ARRAY_SIZE(scsi_syncrates); i++) {
+
+ if (period_factor == scsi_syncrates[i].period_factor) {
+ /* Period in kHz */
+ return (100000000 / scsi_syncrates[i].period);
+ }
+ }
+
+ /*
+ * Wasn't in the table, so use the standard
+ * 4 times conversion.
+ */
+ return (10000000 / (period_factor * 4 * 10));
+}
+
+
static void
copy_mem_info(struct info_str *info, char *data, int len)
{
speed = 3300;
freq = 0;
if (tinfo->offset != 0) {
- freq = aic_calc_syncsrate(tinfo->period);
+ freq = ahd_calc_syncsrate(tinfo->period);
speed = freq;
}
speed *= (0x01 << tinfo->width);
static void
ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
- u_int our_id, char channel, u_int target_id,
- u_int target_offset)
+ u_int our_id, char channel, u_int target_id)
{
- struct ahd_linux_target *targ;
+ struct scsi_target *starget;
struct ahd_initiator_tinfo *tinfo;
struct ahd_tmode_tstate *tstate;
int lun;
copy_info(info, "Target %d Negotiation Settings\n", target_id);
copy_info(info, "\tUser: ");
ahd_format_transinfo(info, &tinfo->user);
- targ = ahd->platform_data->targets[target_offset];
- if (targ == NULL)
+ starget = ahd->platform_data->starget[target_id];
+ if (starget == NULL)
return;
copy_info(info, "\tGoal: ");
ahd_format_transinfo(info, &tinfo->goal);
copy_info(info, "\tCurr: ");
ahd_format_transinfo(info, &tinfo->curr);
- copy_info(info, "\tTransmission Errors %ld\n", targ->errors_detected);
for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
- struct ahd_linux_device *dev;
+ struct scsi_device *dev;
- dev = targ->devices[lun];
+ dev = scsi_device_lookup_by_target(starget, lun);
if (dev == NULL)
continue;
}
static void
-ahd_dump_device_state(struct info_str *info, struct ahd_linux_device *dev)
+ahd_dump_device_state(struct info_str *info, struct scsi_device *sdev)
{
+ struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
+
copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
- dev->target->channel + 'A', dev->target->target, dev->lun);
+ sdev->sdev_target->channel + 'A',
+ sdev->sdev_target->id, sdev->lun);
copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
copy_info(info, "\t\tCommands Active %d\n", dev->active);
* Return information to handle /proc support for the driver.
*/
int
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-ahd_linux_proc_info(char *buffer, char **start, off_t offset,
- int length, int hostno, int inout)
-#else
ahd_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
off_t offset, int length, int inout)
-#endif
{
- struct ahd_softc *ahd;
+ struct ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
struct info_str info;
char ahd_info[256];
- u_long l;
u_int max_targ;
u_int i;
int retval;
- retval = -EINVAL;
- ahd_list_lock(&l);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
- TAILQ_FOREACH(ahd, &ahd_tailq, links) {
- if (ahd->platform_data->host->host_no == hostno)
- break;
- }
-#else
- ahd = ahd_find_softc(*(struct ahd_softc **)shost->hostdata);
-#endif
-
- if (ahd == NULL)
- goto done;
-
/* Has data been written to the file? */
if (inout == TRUE) {
retval = ahd_proc_write_seeprom(ahd, buffer, length);
copy_info(&info, "Allocated SCBs: %d, SG List Length: %d\n\n",
ahd->scb_data.numscbs, AHD_NSEG);
- max_targ = 15;
+ max_targ = 16;
if (ahd->seep_config == NULL)
copy_info(&info, "No Serial EEPROM\n");
copy_info(&info, "\n");
if ((ahd->features & AHD_WIDE) == 0)
- max_targ = 7;
+ max_targ = 8;
- for (i = 0; i <= max_targ; i++) {
+ for (i = 0; i < max_targ; i++) {
ahd_dump_target_state(ahd, &info, ahd->our_id, 'A',
- /*target_id*/i, /*target_offset*/i);
+ /*target_id*/i);
}
retval = info.pos > info.offset ? info.pos - info.offset : 0;
done:
- ahd_list_unlock(&l);
return (retval);
}
git://git.onelab.eu / linux-2.6.git / blobdiff