[PATCH] NCR53C9x ESP updates

Geert Uytterhoeven (geert@linux-m68k.org)
Sun, 3 Nov 2002 11:46:41 +0100

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NCR53C9x: Port 2.5.45 Sun/SPARC ESP SCSI driver changes to the NCR53C9x ESP
SCSI drivers:
- Amiga Blizzard 1230IV, 1260, and 2060
- Amiga BSC Oktagon
- Amiga Cyberstorm and Cyberstorm II
- Amiga Phase 5 Fastlane
- DECstation NCR53C94
- JAZZ Fas216
- Mac 53C9x
- MCA 53C9x
- Sun-3x ESP

--- linux-2.5.45/drivers/scsi/NCR53C9x.c Tue Oct 22 19:04:27 2002
+++ linux-m68k-2.5.45/drivers/scsi/NCR53C9x.c Fri Nov 1 12:49:23 2002
@@ -715,6 +715,9 @@
esp->targets_present = 0;
esp->resetting_bus = 0;
esp->snip = 0;
+
+ init_waitqueue_head(&esp->reset_queue);
+
esp->fas_premature_intr_workaround = 0;
for(i = 0; i < 32; i++)
esp->espcmdlog[i] = 0;
@@ -1395,7 +1398,7 @@
esp->msgout_len = 1;
esp->msgout_ctr = 0;
esp_cmd(esp, eregs, ESP_CMD_SATN);
- return SCSI_ABORT_PENDING;
+ return SUCCESS;
}

/* If it is still in the issue queue then we can safely
@@ -1420,7 +1423,7 @@
this->done(this);
if(don)
esp->dma_ints_on(esp);
- return SCSI_ABORT_SUCCESS;
+ return SUCCESS;
}
}
}
@@ -1433,19 +1436,19 @@
if(esp->current_SC) {
if(don)
esp->dma_ints_on(esp);
- return SCSI_ABORT_BUSY;
+ return FAILED;
}

/* It's disconnected, we have to reconnect to re-establish
* the nexus and tell the device to abort. However, we really
- * cannot 'reconnect' per se, therefore we tell the upper layer
- * the safest thing we can. This is, wait a bit, if nothing
- * happens, we are really hung so reset the bus.
+ * cannot 'reconnect' per se. Don't try to be fancy, just
+ * indicate failure, which causes our caller to reset the whole
+ * bus.
*/

if(don)
esp->dma_ints_on(esp);
- return SCSI_ABORT_SNOOZE;
+ return FAILED;
}

/* We've sent ESP_CMD_RS to the ESP, the interrupt had just
@@ -1479,6 +1482,7 @@

/* SCSI bus reset is complete. */
esp->resetting_bus = 0;
+ wake_up(&esp->reset_queue);

/* Ok, now it is safe to get commands going once more. */
if(esp->issue_SC)
@@ -1500,12 +1504,14 @@
/* Reset ESP chip, reset hanging bus, then kill active and
* disconnected commands for targets without soft reset.
*/
-int esp_reset(Scsi_Cmnd *SCptr, unsigned int how)
+int esp_reset(Scsi_Cmnd *SCptr)
{
struct NCR_ESP *esp = (struct NCR_ESP *) SCptr->host->hostdata;

(void) esp_do_resetbus(esp, esp->eregs);
- return SCSI_RESET_PENDING;
+ wait_event(esp->reset_queue, (esp->resetting_bus == 0));
+
+ return SUCCESS;
}

/* Internal ESP done function. */
--- linux-2.5.45/drivers/scsi/NCR53C9x.h Sat Oct 12 19:20:31 2002
+++ linux-m68k-2.5.45/drivers/scsi/NCR53C9x.h Fri Nov 1 12:49:23 2002
@@ -407,6 +407,7 @@
* cannot be assosciated with any specific command.
*/
unchar resetting_bus;
+ wait_queue_head_t reset_queue;

unchar do_pio_cmds; /* Do command transfer with pio */

--- linux-2.5.45/drivers/scsi/blz1230.h Mon Jul 10 07:51:43 2000
+++ linux-m68k-2.5.45/drivers/scsi/blz1230.h Fri Nov 1 12:49:23 2002
@@ -53,7 +53,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -64,8 +64,8 @@
release: blz1230_esp_release, \
command: esp_command, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/blz2060.h Mon Jul 10 07:51:43 2000
+++ linux-m68k-2.5.45/drivers/scsi/blz2060.h Fri Nov 1 12:49:23 2002
@@ -49,7 +49,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -59,8 +59,8 @@
detect: blz2060_esp_detect, \
release: blz2060_esp_release, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/cyberstorm.h Mon Jul 10 07:51:43 2000
+++ linux-m68k-2.5.45/drivers/scsi/cyberstorm.h Fri Nov 1 12:49:23 2002
@@ -51,7 +51,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -62,8 +62,8 @@
detect: cyber_esp_detect, \
release: cyber_esp_release, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/cyberstormII.h Mon Jul 10 07:51:43 2000
+++ linux-m68k-2.5.45/drivers/scsi/cyberstormII.h Fri Nov 1 12:49:23 2002
@@ -39,7 +39,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -49,8 +49,8 @@
detect: cyberII_esp_detect, \
release: cyberII_esp_release, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/dec_esp.h Mon Jul 10 07:51:45 2000
+++ linux-m68k-2.5.45/drivers/scsi/dec_esp.h Fri Nov 1 12:49:24 2002
@@ -22,7 +22,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -34,8 +34,8 @@
info: esp_info, \
command: esp_command, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/fastlane.h Mon Jul 10 07:51:43 2000
+++ linux-m68k-2.5.45/drivers/scsi/fastlane.h Fri Nov 1 12:49:24 2002
@@ -44,7 +44,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -54,8 +54,8 @@
detect: fastlane_esp_detect, \
release: fastlane_esp_release, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/jazz_esp.h Mon Jul 10 07:51:45 2000
+++ linux-m68k-2.5.45/drivers/scsi/jazz_esp.h Fri Nov 1 12:49:24 2002
@@ -16,7 +16,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -28,8 +28,8 @@
info: esp_info, \
command: esp_command, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/mac_esp.h Sun Dec 9 15:15:30 2001
+++ linux-m68k-2.5.45/drivers/scsi/mac_esp.h Fri Nov 1 12:49:24 2002
@@ -18,7 +18,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);

#define SCSI_MAC_ESP { proc_name: "esp", \
@@ -28,8 +28,8 @@
info: esp_info, \
/* command: esp_command, */ \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/mca_53c9x.h Mon Jul 10 07:51:45 2000
+++ linux-m68k-2.5.45/drivers/scsi/mca_53c9x.h Fri Nov 1 12:49:24 2002
@@ -26,7 +26,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -36,8 +36,8 @@
detect: mca_esp_detect, \
release: mca_esp_release, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
sg_tablesize: SG_ALL, \
cmd_per_lun: 1, \
--- linux-2.5.45/drivers/scsi/oktagon_esp.h Mon Jul 10 07:51:43 2000
+++ linux-m68k-2.5.45/drivers/scsi/oktagon_esp.h Fri Nov 1 12:49:24 2002
@@ -35,7 +35,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -46,8 +46,8 @@
detect: oktagon_esp_detect, \
release: oktagon_esp_release, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \
--- linux-2.5.45/drivers/scsi/sun3x_esp.h Fri Nov 12 01:57:30 1999
+++ linux-m68k-2.5.45/drivers/scsi/sun3x_esp.h Fri Nov 1 12:49:24 2002
@@ -14,7 +14,7 @@
extern int esp_queue(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
extern int esp_command(Scsi_Cmnd *);
extern int esp_abort(Scsi_Cmnd *);
-extern int esp_reset(Scsi_Cmnd *, unsigned int);
+extern int esp_reset(Scsi_Cmnd *);
extern int esp_proc_info(char *buffer, char **start, off_t offset, int length,
int hostno, int inout);

@@ -28,8 +28,8 @@
info: esp_info, \
command: esp_command, \
queuecommand: esp_queue, \
- abort: esp_abort, \
- reset: esp_reset, \
+ eh_abort_handler: esp_abort, \
+ eh_bus_reset_handler: esp_reset, \
can_queue: 7, \
this_id: 7, \
sg_tablesize: SG_ALL, \

Gr{oetje,eeting}s,

Geert

-- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds

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