* General Public License for more details.
*
*
- * $Id: aha152x.c,v 1.16 1996/06/09 00:04:56 root Exp $
+ * $Id: aha152x.c,v 1.17 1996/08/17 16:05:14 fischer Exp fischer $
*
* $Log: aha152x.c,v $
+ * Revision 1.17 1996/08/17 16:05:14 fischer
+ * - biosparam improved
+ * - interrupt verification
+ * - updated documentation
+ * - cleanups
+ *
* Revision 1.16 1996/06/09 00:04:56 root
* - added configuration symbols for insmod (aha152x/aha152x1)
*
* (to avoid spurious interrupts)
*
* Revision 1.12 1995/12/16 12:26:07 fischer
- * - barrier()'s added
+ * - barrier()s added
* - configurable RESET delay added
*
* Revision 1.11 1995/12/06 21:18:35 fischer
DESCRIPTION:
- This is the Linux low-level SCSI driver for Adaptec AHA-1520/1522
- SCSI host adapters.
+ This is the Linux low-level SCSI driver for Adaptec AHA-1520/1522 SCSI
+ host adapters.
+
+ CONFIGURATION ARGUMENTS:
- PER-DEFINE CONFIGURABLE OPTIONS:
+ IOPORT base io address (0x340/0x140)
+ IRQ interrupt level (9-12; default 11)
+ SCSI_ID scsi id of controller (0-7; default 7)
+ RECONNECT allow targets to disconnect from the bus (0/1; default 1 [on])
+ PARITY enable parity checking (0/1; default 1 [on])
+ SYNCHRONOUS enable synchronous transfers (0/1; default 0 [off])
+ (NOT WORKING YET)
+ DELAY: bus reset delay (default 100)
+ EXT_TRANS: enable extended translation (0/1: default 0 [off])
+ (see NOTES below)
- AUTOCONF:
- use configuration the controller reports (only 152x)
+ COMPILE TIME CONFIGURATION (put into AHA152X in drivers/scsi/Makefile):
- SKIP_BIOSTEST:
+ -DAUTOCONF
+ use configuration the controller reports (AHA-152x only)
+
+ -DSKIP_BIOSTEST
Don't test for BIOS signature (AHA-1510 or disabled BIOS)
- SETUP0 { IOPORT, IRQ, SCSI_ID, RECONNECT, PARITY, SYNCHRONOUS, DELAY }:
- override for the first controller
+ -DSETUP0="{ IOPORT, IRQ, SCSI_ID, RECONNECT, PARITY, SYNCHRONOUS, DELAY, EXT_TRANS }"
+ override for the first controller
- SETUP1 { IOPORT, IRQ, SCSI_ID, RECONNECT, PARITY, SYNCHRONOUS, DELAY }:
+ -DSETUP1="{ IOPORT, IRQ, SCSI_ID, RECONNECT, PARITY, SYNCHRONOUS, DELAY, EXT_TRANS }"
override for the second controller
LILO COMMAND LINE OPTIONS:
- aha152x=<IOPORT>[,<IRQ>[,<SCSI-ID>[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>]]]]]]
+ aha152x=<IOPORT>[,<IRQ>[,<SCSI-ID>[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY> [,<EXT_TRANS]]]]]]]
The normal configuration can be overridden by specifying a command line.
When you do this, the BIOS test is skipped. Entered values have to be
- valid (known). Don't use values that aren't supported under normal operation.
- If you think that you need other values: contact me. For two controllers
- use the aha152x statement twice.
+ valid (known). Don't use values that aren't supported under normal
+ operation. If you think that you need other values: contact me.
+ For two controllers use the aha152x statement twice.
+
+
+ SYMBOLS FOR MODULE CONFIGURATION:
+
+ aha152x=IOPORT,IRQ,SCSI_ID,RECONNECT,PARITY,SYNCHRONOUS,DELAY,EXT_TRANS
+ configuration override of first controller
+
+
+ aha152x1=IOPORT,IRQ,SCSI_ID,RECONNECT,PARITY,SYNCHRONOUS,DELAY,EXT_TRANS
+ configuration override of second controller
+
+
+ NOTES ON EXT_TRANS:
+
+ SCSI uses block numbers to address blocks/sectors on a device.
+ The BIOS uses a cylinder/head/sector addressing scheme (C/H/S)
+ scheme instead. DOS expects a BIOS or driver that understands this
+ C/H/S addressing.
+
+ The number of cylinders/heads/sectors is called geometry and is required
+ as base for requests in C/H/S adressing. SCSI only knows about the
+ total capacity of disks in blocks (sectors).
+
+ Therefore the SCSI BIOS/DOS driver has to calculate a logical/virtual
+ geometry just to be able to support that addressing scheme. The geometry
+ returned by the SCSI BIOS is a pure calculation and has nothing to
+ do with the real/physical geometry of the disk (which is usually
+ irrelevant anyway).
+
+ Basically this has no impact at all on Linux, because it also uses block
+ instead of C/H/S addressing. Unfortunately C/H/S addressing is also used
+ in the partition table and therefore every operating system has to know
+ the right geometry to be able to interpret it.
+
+ Moreover there are certain limitations to the C/H/S addressing scheme,
+ namely the address space is limited to upto 255 heads, upto 63 sectors
+ and a maximum of 1023 cylinders.
+
+ The AHA-1522 BIOS calculates the geometry by fixing the number of heads
+ to 64, the number of sectors to 32 and by calculating the number of
+ cylinders by dividing the capacity reported by the disk by 64*32 (1 MB).
+ This is considered to be the default translation.
+
+ With respect to the limit of 1023 cylinders using C/H/S you can only
+ address the first GB of your disk in the partition table. Therefore
+ BIOSes of some newer controllers based on the AIC-6260/6360 support
+ extended translation. This means that the BIOS uses 255 for heads,
+ 63 for sectors and then divides the capacity of the disk by 255*63
+ (about 8 MB), as soon it sees a disk greater than 1 GB. That results
+ in a maximum of about 8 GB adressable diskspace in the partition table
+ (but there are already bigger disks out there today).
+
+ To make it even more complicated the translation mode might/might
+ not be configurable in certain BIOS setups.
+
+ This driver does some more or less failsafe guessing to get the
+ geometry right in most cases:
+
+ - for disks<1GB: use default translation (C/32/64)
+ - for disks>1GB:
+ - take current geometry from the partition table
+ (using scsicam_bios_param and accept only `valid' geometries,
+ ie. either (C/32/64) or (C/63/255)). This can be extended
+ translation even if it's not enabled in the driver.
+ - if that fails, take extended translation if enabled by override,
+ kernel or module parameter, otherwise take default translation and
+ ask the user for verification. This might on not yet partitioned
+ disks or
REFERENCES USED:
#include "aha152x.h"
#include <linux/stat.h>
+#include <scsi/scsicam.h>
+
struct proc_dir_entry proc_scsi_aha152x = {
PROC_SCSI_AHA152X, 7, "aha152x",
S_IFDIR | S_IRUGO | S_IXUGO, 2
#if defined(MODULE)
#if defined(DEBUG_AHA152X)
-int aha152x[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT, DEBUG_DEFAULT };
-int aha152x1[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT, DEBUG_DEFAULT };
+int aha152x[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0, DEBUG_DEFAULT };
+int aha152x1[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0, DEBUG_DEFAULT };
#else
-int aha152x[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT };
-int aha152x1[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT };
+int aha152x[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0 };
+int aha152x1[] = { 0, 11, 7, 1, 1, 0, DELAY_DEFAULT, 0 };
#endif
#endif
int parity;
int synchronous;
int delay;
+ int ext_trans;
#ifdef DEBUG_AHA152X
int debug;
#endif
static struct Scsi_Host *aha152x_host[IRQS];
#define HOSTDATA(shpnt) ((struct aha152x_hostdata *) &shpnt->hostdata)
-#define CURRENT_SC (HOSTDATA(shpnt)->current_SC)
-#define ISSUE_SC (HOSTDATA(shpnt)->issue_SC)
-#define DISCONNECTED_SC (HOSTDATA(shpnt)->disconnected_SC)
+#define CURRENT_SC (HOSTDATA(shpnt)->current_SC)
+#define ISSUE_SC (HOSTDATA(shpnt)->issue_SC)
+#define DISCONNECTED_SC (HOSTDATA(shpnt)->disconnected_SC)
#define DELAY (HOSTDATA(shpnt)->delay)
-#define SYNCRATE (HOSTDATA(shpnt)->syncrate[CURRENT_SC->target])
+#define EXT_TRANS (HOSTDATA(shpnt)->ext_trans)
+#define SYNCRATE (HOSTDATA(shpnt)->syncrate[CURRENT_SC->target])
#define MSG(i) (HOSTDATA(shpnt)->message[i])
#define MSGLEN (HOSTDATA(shpnt)->message_len)
-#define ADDMSG(x) (MSG(MSGLEN++)=x)
+#define ADDMSG(x) (MSG(MSGLEN++)=x)
struct aha152x_hostdata {
Scsi_Cmnd *issue_SC;
int parity;
int synchronous;
int delay;
+ int ext_trans;
+
+ int swint;
unsigned char syncrate[8];
#define ADDRESS_COUNT (sizeof(addresses) / sizeof(void *))
/* signatures for various AIC-6[23]60 based controllers.
- The point in detecting signatures is to avoid useless
- and maybe harmful probes on ports. I'm not sure that
- all listed boards pass auto-configuration. For those
- which fail the BIOS signature is obsolete, because
- user intervention to supply the configuration is
- needed anyway. */
+ The point in detecting signatures is to avoid useless and maybe
+ harmful probes on ports. I'm not sure that all listed boards pass
+ auto-configuration. For those which fail the BIOS signature is
+ obsolete, because user intervention to supply the configuration is
+ needed anyway. May be an information whether or not the BIOS supports
+ extended translation could be also useful here. */
static struct signature {
char *signature;
int sig_offset;
unsigned long the_time = jiffies + amount; /* 0.01 seconds per jiffy */
while (jiffies < the_time)
- barrier();
+ barrier();
}
/*
new_SC->host_scribble = (unsigned char *) NULL;
if(!*SC)
*SC=new_SC;
- else
- {
- for(end=*SC; end->host_scribble; end = (Scsi_Cmnd *) end->host_scribble)
- ;
- end->host_scribble = (unsigned char *) new_SC;
- }
+ else {
+ for(end=*SC; end->host_scribble; end = (Scsi_Cmnd *) end->host_scribble)
+ ;
+ end->host_scribble = (unsigned char *) new_SC;
+ }
}
static inline Scsi_Cmnd *remove_first_SC(Scsi_Cmnd **SC)
prev->host_scribble = ptr->host_scribble;
else
*SC= (Scsi_Cmnd *) ptr->host_scribble;
+
return ptr;
}
{
int phase, sstat1;
- while(1)
- {
- do
- {
- while(!((sstat1 = GETPORT(SSTAT1)) & (BUSFREE|SCSIRSTI|REQINIT)))
- barrier();
- if(sstat1 & BUSFREE)
- return P_BUSFREE;
- if(sstat1 & SCSIRSTI)
- {
- printk("aha152x: RESET IN\n");
- SETPORT(SSTAT1, SCSIRSTI);
- }
- }
- while(TESTHI(SCSISIG, ACKI) || TESTLO(SSTAT1, REQINIT));
-
- SETPORT(SSTAT1, CLRSCSIPERR);
+ while(1) {
+ do {
+ while(!((sstat1 = GETPORT(SSTAT1)) & (BUSFREE|SCSIRSTI|REQINIT)))
+ barrier();
+ if(sstat1 & BUSFREE)
+ return P_BUSFREE;
+ if(sstat1 & SCSIRSTI) {
+ printk("aha152x: RESET IN\n");
+ SETPORT(SSTAT1, SCSIRSTI);
+ }
+ } while(TESTHI(SCSISIG, ACKI) || TESTLO(SSTAT1, REQINIT));
+
+ SETPORT(SSTAT1, CLRSCSIPERR);
- phase = GETPORT(SCSISIG) & P_MASK ;
+ phase = GETPORT(SCSISIG) & P_MASK ;
- if(TESTHI(SSTAT1, SCSIPERR))
- {
- if((phase & (CDO|MSGO))==0) /* DATA phase */
- return P_PARITY;
+ if(TESTHI(SSTAT1, SCSIPERR)) {
+ if((phase & (CDO|MSGO))==0) /* DATA phase */
+ return P_PARITY;
- make_acklow(shpnt);
- }
- else
- return phase;
- }
+ make_acklow(shpnt);
+ } else
+ return phase;
+ }
}
/* called from init/main.c */
setup[setup_count].parity = ints[0] >= 5 ? ints[5] : 1;
setup[setup_count].synchronous = ints[0] >= 6 ? ints[6] : 0 /* FIXME: 1 */;
setup[setup_count].delay = ints[0] >= 7 ? ints[7] : DELAY_DEFAULT;
+ setup[setup_count].ext_trans = ints[0] >= 8 ? ints[8] : 0;
#ifdef DEBUG_AHA152X
- setup[setup_count].debug = ints[0] >= 8 ? ints[8] : DEBUG_DEFAULT;
- if(ints[0]>8)
- {
- printk("aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
- "[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>[,<DEBUG>]]]]]]]\n");
+ setup[setup_count].debug = ints[0] >= 9 ? ints[9] : DEBUG_DEFAULT;
+ if(ints[0]>9) {
+ printk("aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
+ "[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>[,<EXT_TRANS>[,<DEBUG>]]]]]]]]\n");
#else
- if(ints[0]>7)
- {
- printk("aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
- "[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>]]]]]]\n");
+ if(ints[0]>8) {
+ printk("aha152x: usage: aha152x=<IOBASE>[,<IRQ>[,<SCSI ID>"
+ "[,<RECONNECT>[,<PARITY>[,<SYNCHRONOUS>[,<DELAY>[,<EXT_TRANS>]]]]]]]\n");
#endif
- }
- else
+ } else
setup_count++;
}
/*
- Test, if port_base is valid.
+ * Test, if port_base is valid.
*/
static int aha152x_porttest(int io_port)
{
if(!aha152x_porttest(setup->io_port))
return 0;
- if((setup->irq < IRQ_MIN) && (setup->irq > IRQ_MAX))
+ if(setup->irq<IRQ_MIN && setup->irq>IRQ_MAX)
return 0;
if((setup->scsiid < 0) || (setup->scsiid > 7))
if((setup->synchronous < 0) || (setup->synchronous > 1))
return 0;
+
+ if((setup->ext_trans < 0) || (setup->ext_trans > 1))
+ return 0;
+
return 1;
}
+void aha152x_swintr(int irqno, void *dev_id, struct pt_regs * regs)
+{
+ struct Scsi_Host *shpnt = aha152x_host[irqno-IRQ_MIN];
+
+ if(!shpnt)
+ panic("aha152x: catched software interrupt for unknown controller.\n");
+
+ HOSTDATA(shpnt)->swint++;
+}
+
int aha152x_detect(Scsi_Host_Template * tpnt)
{
for(i=0; i<IRQS; i++)
aha152x_host[i] = (struct Scsi_Host *) NULL;
- if(setup_count)
- {
- printk("aha152x: processing commandline: ");
+ if(setup_count) {
+ printk("aha152x: processing commandline: ");
- for(i=0; i<setup_count; i++)
- if(!aha152x_checksetup(&setup[i]))
- {
- printk("\naha152x: %s\n", setup[i].conf);
- printk("aha152x: invalid line (controller=%d)\n", i+1);
- }
+ for(i=0; i<setup_count; i++)
+ if(!aha152x_checksetup(&setup[i])) {
+ printk("\naha152x: %s\n", setup[i].conf);
+ printk("aha152x: invalid line (controller=%d)\n", i+1);
+ }
printk("ok\n");
- }
-
+ }
+
#ifdef SETUP0
if(setup_count<2) {
- struct aha152x_setup override = SETUP0;
+ struct aha152x_setup override = SETUP0;
- if(setup_count==0 || (override.io_port != setup[0].io_port))
+ if(setup_count==0 || (override.io_port != setup[0].io_port))
if(!aha152x_checksetup(&override)) {
- printk("\naha152x: invalid override SETUP0={0x%x,%d,%d,%d,%d,%d,%d}\n",
- override.io_port,
- override.irq,
- override.scsiid,
- override.reconnect,
- override.parity,
- override.synchronous,
- override.delay);
+ printk("\naha152x: invalid override SETUP0={0x%x,%d,%d,%d,%d,%d,%d,%d}\n",
+ override.io_port,
+ override.irq,
+ override.scsiid,
+ override.reconnect,
+ override.parity,
+ override.synchronous,
+ override.delay,
+ override.ext_trans);
} else
- setup[setup_count++] = override;
- }
+ setup[setup_count++] = override;
+ }
#endif
#ifdef SETUP1
if(setup_count<2) {
- struct aha152x_setup override = SETUP1;
+ struct aha152x_setup override = SETUP1;
- if(setup_count==0 || (override.io_port != setup[0].io_port))
+ if(setup_count==0 || (override.io_port != setup[0].io_port))
if(!aha152x_checksetup(&override)) {
- printk("\naha152x: invalid override SETUP1={0x%x,%d,%d,%d,%d,%d,%d}\n",
- override.io_port,
- override.irq,
- override.scsiid,
- override.reconnect,
- override.parity,
- override.synchronous,
- override.delay);
+ printk("\naha152x: invalid override SETUP1={0x%x,%d,%d,%d,%d,%d,%d,%d}\n",
+ override.io_port,
+ override.irq,
+ override.scsiid,
+ override.reconnect,
+ override.parity,
+ override.synchronous,
+ override.delay,
+ override.ext_trans);
} else
setup[setup_count++] = override;
- }
+ }
#endif
#if defined(MODULE)
setup[setup_count].parity = aha152x[4];
setup[setup_count].synchronous = aha152x[5];
setup[setup_count].delay = aha152x[6];
+ setup[setup_count].ext_trans = aha152x[7];
#ifdef DEBUG_AHA152X
- setup[setup_count].debug = aha152x[7];
+ setup[setup_count].debug = aha152x[8];
#endif
if(aha152x_checksetup(&setup[setup_count]))
setup_count++;
- else
- printk("\naha152x: invalid module argument aha152x=0x%x,%d,%d,%d,%d,%d,%d\n",
+ else
+ printk("\naha152x: invalid module argument aha152x=0x%x,%d,%d,%d,%d,%d,%d,%d\n",
setup[setup_count].io_port,
setup[setup_count].irq,
setup[setup_count].scsiid,
setup[setup_count].reconnect,
setup[setup_count].parity,
setup[setup_count].synchronous,
- setup[setup_count].delay);
+ setup[setup_count].delay,
+ setup[setup_count].ext_trans);
}
if(setup_count<2 && aha152x1[0]!=0) {
setup[setup_count].parity = aha152x1[4];
setup[setup_count].synchronous = aha152x1[5];
setup[setup_count].delay = aha152x1[6];
+ setup[setup_count].ext_trans = aha152x1[7];
#ifdef DEBUG_AHA152X
- setup[setup_count].debug = aha152x1[7];
+ setup[setup_count].debug = aha152x1[8];
#endif
if(aha152x_checksetup(&setup[setup_count]))
setup_count++;
else
- printk("\naha152x: invalid module argument aha152x1=0x%x,%d,%d,%d,%d,%d,%d\n",
+ printk("\naha152x: invalid module argument aha152x1=0x%x,%d,%d,%d,%d,%d,%d,%d\n",
setup[setup_count].io_port,
setup[setup_count].irq,
setup[setup_count].scsiid,
setup[setup_count].reconnect,
setup[setup_count].parity,
setup[setup_count].synchronous,
- setup[setup_count].delay);
- }
+ setup[setup_count].delay,
+ setup[setup_count].ext_trans);
+ }
#endif
#if defined(AUTOCONF)
if(setup_count<2) {
#if !defined(SKIP_BIOSTEST)
- ok=0;
- for(i=0; i < ADDRESS_COUNT && !ok; i++)
- for(j=0; (j < SIGNATURE_COUNT) && !ok; j++)
- ok=!memcmp((void *) addresses[i]+signatures[j].sig_offset,
- (void *) signatures[j].signature,
- (int) signatures[j].sig_length);
+ ok=0;
+ for(i=0; i < ADDRESS_COUNT && !ok; i++)
+ for(j=0; (j < SIGNATURE_COUNT) && !ok; j++)
+ ok=!memcmp((void *) addresses[i]+signatures[j].sig_offset,
+ (void *) signatures[j].signature,
+ (int) signatures[j].sig_length);
- if(!ok && setup_count==0)
- return 0;
+ if(!ok && setup_count==0)
+ return 0;
- printk("aha152x: BIOS test: passed, ");
+ printk("aha152x: BIOS test: passed, ");
#else
- printk("aha152x: ");
+ printk("aha152x: ");
#endif /* !SKIP_BIOSTEST */
ok=0;
for(i=0; i<PORT_COUNT && setup_count<2; i++) {
- if((setup_count==1) && (setup[0].io_port == ports[i]))
- continue;
+ if((setup_count==1) && (setup[0].io_port == ports[i]))
+ continue;
if(aha152x_porttest(ports[i])) {
ok++;
- setup[setup_count].io_port = ports[i];
+ setup[setup_count].io_port = ports[i];
- conf.cf_port =
- (GETPORT(ports[i]+O_PORTA)<<8) + GETPORT(ports[i]+O_PORTB);
+ conf.cf_port =
+ (GETPORT(ports[i]+O_PORTA)<<8) + GETPORT(ports[i]+O_PORTB);
- setup[setup_count].irq = IRQ_MIN + conf.cf_irq;
- setup[setup_count].scsiid = conf.cf_id;
- setup[setup_count].reconnect = conf.cf_tardisc;
- setup[setup_count].parity = !conf.cf_parity;
- setup[setup_count].synchronous = 0 /* FIXME: conf.cf_syncneg */;
- setup[setup_count].delay = DELAY_DEFAULT;
+ setup[setup_count].irq = IRQ_MIN + conf.cf_irq;
+ setup[setup_count].scsiid = conf.cf_id;
+ setup[setup_count].reconnect = conf.cf_tardisc;
+ setup[setup_count].parity = !conf.cf_parity;
+ setup[setup_count].synchronous = 0 /* FIXME: conf.cf_syncneg */;
+ setup[setup_count].delay = DELAY_DEFAULT;
+ setup[setup_count].ext_trans = 0;
#ifdef DEBUG_AHA152X
- setup[setup_count].debug = DEBUG_DEFAULT;
+ setup[setup_count].debug = DEBUG_DEFAULT;
#endif
- setup_count++;
- }
- }
+ setup_count++;
+ }
+ }
if(ok)
printk("auto configuration: ok, ");
- }
+ }
#endif
- printk("detected %d controllers\n", setup_count);
+ printk("detected %d controller(s)\n", setup_count);
- for(i=0; i<setup_count; i++)
- {
- struct Scsi_Host *shpnt;
+ for(i=0; i<setup_count; i++) {
+ struct Scsi_Host *shpnt;
+ unsigned long int the_time;
- shpnt = aha152x_host[setup[i].irq-IRQ_MIN] =
- scsi_register(tpnt, sizeof(struct aha152x_hostdata));
+ shpnt = aha152x_host[setup[i].irq-IRQ_MIN] =
+ scsi_register(tpnt, sizeof(struct aha152x_hostdata));
- shpnt->io_port = setup[i].io_port;
- shpnt->n_io_port = IO_RANGE;
- shpnt->irq = setup[i].irq;
+ shpnt->io_port = setup[i].io_port;
+ shpnt->n_io_port = IO_RANGE;
+ shpnt->irq = setup[i].irq;
- ISSUE_SC = (Scsi_Cmnd *) NULL;
- CURRENT_SC = (Scsi_Cmnd *) NULL;
- DISCONNECTED_SC = (Scsi_Cmnd *) NULL;
+ ISSUE_SC = (Scsi_Cmnd *) NULL;
+ CURRENT_SC = (Scsi_Cmnd *) NULL;
+ DISCONNECTED_SC = (Scsi_Cmnd *) NULL;
- HOSTDATA(shpnt)->reconnect = setup[i].reconnect;
- HOSTDATA(shpnt)->parity = setup[i].parity;
- HOSTDATA(shpnt)->synchronous = setup[i].synchronous;
- HOSTDATA(shpnt)->delay = setup[i].delay;
+ HOSTDATA(shpnt)->reconnect = setup[i].reconnect;
+ HOSTDATA(shpnt)->parity = setup[i].parity;
+ HOSTDATA(shpnt)->synchronous = setup[i].synchronous;
+ HOSTDATA(shpnt)->delay = setup[i].delay;
+ HOSTDATA(shpnt)->ext_trans = setup[i].ext_trans;
#ifdef DEBUG_AHA152X
- HOSTDATA(shpnt)->debug = setup[i].debug;
+ HOSTDATA(shpnt)->debug = setup[i].debug;
#endif
- HOSTDATA(shpnt)->aborting = 0;
- HOSTDATA(shpnt)->abortion_complete = 0;
- HOSTDATA(shpnt)->abort_result = 0;
- HOSTDATA(shpnt)->commands = 0;
+ HOSTDATA(shpnt)->aborting = 0;
+ HOSTDATA(shpnt)->abortion_complete = 0;
+ HOSTDATA(shpnt)->abort_result = 0;
+ HOSTDATA(shpnt)->commands = 0;
- HOSTDATA(shpnt)->message_len = 0;
+ HOSTDATA(shpnt)->message_len = 0;
- for(j=0; j<8; j++)
- HOSTDATA(shpnt)->syncrate[j] = 0;
+ for(j=0; j<8; j++)
+ HOSTDATA(shpnt)->syncrate[j] = 0;
- SETPORT(SCSIID, setup[i].scsiid << 4);
- shpnt->this_id=setup[i].scsiid;
+ SETPORT(SCSIID, setup[i].scsiid << 4);
+ shpnt->this_id=setup[i].scsiid;
- if(setup[i].reconnect)
- shpnt->hostt->can_queue=AHA152X_MAXQUEUE;
+ if(setup[i].reconnect)
+ shpnt->hostt->can_queue=AHA152X_MAXQUEUE;
- /* RESET OUT */
- SETBITS(SCSISEQ, SCSIRSTO);
- do_pause(30);
- CLRBITS(SCSISEQ, SCSIRSTO);
- do_pause(setup[i].delay);
+ /* RESET OUT */
+ SETBITS(SCSISEQ, SCSIRSTO);
+ do_pause(30);
+ CLRBITS(SCSISEQ, SCSIRSTO);
+ do_pause(setup[i].delay);
- aha152x_reset_ports(shpnt);
+ aha152x_reset_ports(shpnt);
- printk("aha152x%d: vital data: PORTBASE=0x%03x, IRQ=%d, SCSI ID=%d,"
- " reconnect=%s, parity=%s, synchronous=%s, delay=%d\n",
- i,
- shpnt->io_port,
- shpnt->irq,
- shpnt->this_id,
- HOSTDATA(shpnt)->reconnect ? "enabled" : "disabled",
- HOSTDATA(shpnt)->parity ? "enabled" : "disabled",
- HOSTDATA(shpnt)->synchronous ? "enabled" : "disabled",
- HOSTDATA(shpnt)->delay);
-
- request_region(shpnt->io_port, IO_RANGE, "aha152x"); /* Register */
-
- /* not expecting any interrupts */
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, 0);
+ printk("aha152x%d: vital data: PORTBASE=0x%03x, IRQ=%d, SCSI ID=%d,"
+ " reconnect=%s, parity=%s, synchronous=%s, delay=%d, extended translation=%s\n",
+ i,
+ shpnt->io_port,
+ shpnt->irq,
+ shpnt->this_id,
+ HOSTDATA(shpnt)->reconnect ? "enabled" : "disabled",
+ HOSTDATA(shpnt)->parity ? "enabled" : "disabled",
+ HOSTDATA(shpnt)->synchronous ? "enabled" : "disabled",
+ HOSTDATA(shpnt)->delay,
+ HOSTDATA(shpnt)->ext_trans ? "enabled" : "disabled");
+
+ request_region(shpnt->io_port, IO_RANGE, "aha152x"); /* Register */
+
+ /* not expecting any interrupts */
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, 0);
+
+ SETBITS(DMACNTRL0, INTEN);
+
+ ok = request_irq(shpnt->irq, aha152x_swintr, SA_INTERRUPT, "aha152x", NULL);
+ if(ok<0) {
+ if(ok == -EINVAL)
+ printk("aha152x%d: bad IRQ %d.\n", i, shpnt->irq);
+ else if(ok == -EBUSY)
+ printk("aha152x%d: IRQ %d already in use.\n", i, shpnt->irq);
+ else
+ printk("\naha152x%d: Unexpected error code %d on requesting IRQ %d.\n", i, ok, shpnt->irq);
+ printk("aha152x: driver needs an IRQ.\n");
- SETBITS(DMACNTRL0, INTEN);
+ scsi_unregister(shpnt);
+ shpnt=aha152x_host[shpnt->irq-IRQ_MIN]=0;
+ continue;
+ }
- ok = request_irq(setup[i].irq, aha152x_intr, SA_INTERRUPT, "aha152x", NULL);
-
- if(ok<0)
- {
- if(ok == -EINVAL)
- {
- printk("aha152x%d: bad IRQ %d.\n", i, setup[i].irq);
- printk(" Contact author.\n");
- }
- else
- if(ok == -EBUSY)
- printk("aha152x%d: IRQ %d already in use. Configure another.\n",
- i, setup[i].irq);
- else
- {
- printk("\naha152x%d: Unexpected error code on"
- " requesting IRQ %d.\n", i, setup[i].irq);
- printk(" Contact author.\n");
- }
- printk("aha152x: driver needs an IRQ.\n");
- continue;
- }
+ HOSTDATA(shpnt)->swint=0;
+
+ printk("aha152x: trying software interrupt, ");
+ SETBITS(DMACNTRL0, SWINT);
+
+ the_time=jiffies+100;
+ while(!HOSTDATA(shpnt)->swint && jiffies<the_time)
+ barrier();
+
+ free_irq(shpnt->irq,0);
+
+ if(!HOSTDATA(shpnt)->swint) {
+ if(TESTHI(DMASTAT, INTSTAT)) {
+ printk("lost.\n");
+ } else {
+ printk("failed.\n");
+ }
+
+ printk("aha152x: IRQ %d possibly wrong. Please verify.\n", shpnt->irq);
+
+ scsi_unregister(shpnt);
+ shpnt=aha152x_host[shpnt->irq-IRQ_MIN]=0;
+ continue;
+ }
+
+ printk("ok.\n");
+
+ CLRBITS(DMACNTRL0, SWINT);
+
+ /* clear interrupts */
+ SETPORT(SSTAT0, 0x7f);
+ SETPORT(SSTAT1, 0xef);
+
+ if(request_irq(shpnt->irq,aha152x_intr,SA_INTERRUPT,"aha152x",NULL)<0) {
+ printk("aha152x: failed to reassign interrupt.\n");
}
+ }
return (setup_count>0);
}
#endif
#if defined(DEBUG_QUEUE)
- if(HOSTDATA(shpnt)->debug & debug_queue)
- {
- printk("SCpnt (target = %d lun = %d cmnd = ",
- SCpnt->target, SCpnt->lun);
+ if(HOSTDATA(shpnt)->debug & debug_queue) {
+ printk("SCpnt (target = %d lun = %d cmnd = ",
+ SCpnt->target, SCpnt->lun);
print_command(SCpnt->cmnd);
- printk(", cmd_len=%d, pieces = %d size = %u), ",
- SCpnt->cmd_len, SCpnt->use_sg, SCpnt->request_bufflen);
- disp_ports(shpnt);
+ printk(", cmd_len=%d, pieces = %d size = %u), ",
+ SCpnt->cmd_len, SCpnt->use_sg, SCpnt->request_bufflen);
+ disp_ports(shpnt);
}
#endif
SCp.buffers_residual : left buffers in list
SCp.phase : current state of the command */
SCpnt->SCp.phase = not_issued;
- if (SCpnt->use_sg)
- {
- SCpnt->SCp.buffer =
- (struct scatterlist *) SCpnt->request_buffer;
- SCpnt->SCp.ptr = SCpnt->SCp.buffer->address;
- SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
- SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1;
- }
- else
- {
- SCpnt->SCp.ptr = (char *)SCpnt->request_buffer;
- SCpnt->SCp.this_residual = SCpnt->request_bufflen;
- SCpnt->SCp.buffer = NULL;
- SCpnt->SCp.buffers_residual = 0;
- }
-
+ if (SCpnt->use_sg) {
+ SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer;
+ SCpnt->SCp.ptr = SCpnt->SCp.buffer->address;
+ SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
+ SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1;
+ } else {
+ SCpnt->SCp.ptr = (char *)SCpnt->request_buffer;
+ SCpnt->SCp.this_residual = SCpnt->request_bufflen;
+ SCpnt->SCp.buffer = NULL;
+ SCpnt->SCp.buffers_residual = 0;
+ }
+
SCpnt->SCp.Status = CHECK_CONDITION;
SCpnt->SCp.Message = 0;
SCpnt->SCp.have_data_in = 0;
append_SC(&ISSUE_SC, SCpnt);
/* Enable bus free interrupt, when we aren't currently on the bus */
- if(!CURRENT_SC)
- {
- SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
- SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
- }
+ if(!CURRENT_SC) {
+ SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
+ SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+ }
restore_flags(flags);
#if defined(DEBUG_RACE)
cli();
#if defined(DEBUG_ABORT)
- if(HOSTDATA(shpnt)->debug & debug_abort)
- {
- printk("aha152x: abort(), SCpnt=0x%08x, ", (unsigned int) SCpnt);
- show_queues(shpnt);
+ if(HOSTDATA(shpnt)->debug & debug_abort) {
+ printk("aha152x: abort(), SCpnt=0x%08x, ", (unsigned int) SCpnt);
+ show_queues(shpnt);
}
#endif
prev=ptr, ptr=(Scsi_Cmnd *) ptr->host_scribble)
;
- if(ptr)
- {
- /* dequeue */
- if(prev)
- prev->host_scribble = ptr->host_scribble;
- else
- ISSUE_SC = (Scsi_Cmnd *) ptr->host_scribble;
- restore_flags(flags);
+ if(ptr) {
+ /* dequeue */
+ if(prev)
+ prev->host_scribble = ptr->host_scribble;
+ else
+ ISSUE_SC = (Scsi_Cmnd *) ptr->host_scribble;
- ptr->host_scribble = NULL;
- ptr->result = DID_ABORT << 16;
- ptr->scsi_done(ptr);
- return SCSI_ABORT_SUCCESS;
- }
+ HOSTDATA(shpnt)->commands--;
+
+ restore_flags(flags);
+
+ ptr->host_scribble = NULL;
+ ptr->result = DID_ABORT << 16;
+ ptr->scsi_done(ptr);
+
+ return SCSI_ABORT_SUCCESS;
+ }
/* if the bus is busy or a command is currently processed,
we can't do anything more */
- if (TESTLO(SSTAT1, BUSFREE) || (CURRENT_SC && CURRENT_SC!=SCpnt))
- {
- /* fail abortion, if bus is busy */
+ if (TESTLO(SSTAT1, BUSFREE) || (CURRENT_SC && CURRENT_SC!=SCpnt)) {
+ /* fail abortion, if bus is busy */
- if(!CURRENT_SC)
- printk("bus busy w/o current command, ");
+ if(!CURRENT_SC)
+ printk("bus busy w/o current command, ");
- restore_flags(flags);
- return SCSI_ABORT_BUSY;
- }
+ restore_flags(flags);
+
+ return SCSI_ABORT_BUSY;
+ }
/* bus is free */
- if(CURRENT_SC)
- {
+ if(CURRENT_SC) {
+ HOSTDATA(shpnt)->commands--;
+
/* target entered bus free before COMMAND COMPLETE, nothing to abort */
restore_flags(flags);
- CURRENT_SC->result = DID_ERROR << 16;
- CURRENT_SC->scsi_done(CURRENT_SC);
- CURRENT_SC = (Scsi_Cmnd *) NULL;
+ CURRENT_SC->result = DID_ERROR << 16;
+ CURRENT_SC->scsi_done(CURRENT_SC);
+ CURRENT_SC = (Scsi_Cmnd *) NULL;
+
return SCSI_ABORT_SUCCESS;
}
prev=ptr, ptr=(Scsi_Cmnd *) ptr->host_scribble)
;
- if(ptr)
- if(!HOSTDATA(shpnt)->aborting)
- {
- /* dequeue */
- if(prev)
- prev->host_scribble = ptr->host_scribble;
- else
- DISCONNECTED_SC = (Scsi_Cmnd *) ptr->host_scribble;
-
- /* set command current and initiate selection,
- let the interrupt routine take care of the abortion */
- CURRENT_SC = ptr;
- ptr->SCp.phase = in_selection|aborted;
- SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->target);
-
- ADDMSG(ABORT);
-
- /* enable interrupts for SELECTION OUT DONE and SELECTION TIME OUT */
- SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0));
- SETPORT(SIMODE1, ENSELTIMO);
-
- /* Enable SELECTION OUT sequence */
- SETBITS(SCSISEQ, ENSELO | ENAUTOATNO);
-
- SETBITS(DMACNTRL0, INTEN);
- HOSTDATA(shpnt)->abort_result=SCSI_ABORT_SUCCESS;
- HOSTDATA(shpnt)->aborting++;
- HOSTDATA(shpnt)->abortion_complete=0;
+ if(!ptr) {
+ /* command wasn't found */
+ printk("command not found\n");
+ restore_flags(flags);
- sti(); /* Hi Eric, guess what ;-) */
-
- /* sleep until the abortion is complete */
- while(!HOSTDATA(shpnt)->abortion_complete)
- barrier();
- HOSTDATA(shpnt)->aborting=0;
- return HOSTDATA(shpnt)->abort_result;
- }
+ return SCSI_ABORT_NOT_RUNNING;
+ }
+
+ if(!HOSTDATA(shpnt)->aborting) {
+ /* dequeue */
+ if(prev)
+ prev->host_scribble = ptr->host_scribble;
else
- {
- /* we're already aborting a command */
- restore_flags(flags);
- return SCSI_ABORT_BUSY;
- }
+ DISCONNECTED_SC = (Scsi_Cmnd *) ptr->host_scribble;
- /* command wasn't found */
- printk("command not found\n");
- restore_flags(flags);
- return SCSI_ABORT_NOT_RUNNING;
+ HOSTDATA(shpnt)->commands--;
+
+ /* set command current and initiate selection,
+ let the interrupt routine take care of the abortion */
+ CURRENT_SC = ptr;
+ ptr->SCp.phase = in_selection|aborted;
+ SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->target);
+
+ ADDMSG(ABORT);
+
+ /* enable interrupts for SELECTION OUT DONE and SELECTION TIME OUT */
+ SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0));
+ SETPORT(SIMODE1, ENSELTIMO);
+
+ /* Enable SELECTION OUT sequence */
+ SETBITS(SCSISEQ, ENSELO | ENAUTOATNO);
+
+ SETBITS(DMACNTRL0, INTEN);
+ HOSTDATA(shpnt)->abort_result=SCSI_ABORT_SUCCESS;
+ HOSTDATA(shpnt)->aborting++;
+ HOSTDATA(shpnt)->abortion_complete=0;
+
+ sti(); /* Hi Eric, guess what ;-) */
+
+ /* sleep until the abortion is complete */
+ while(!HOSTDATA(shpnt)->abortion_complete)
+ barrier();
+ HOSTDATA(shpnt)->aborting=0;
+
+ return HOSTDATA(shpnt)->abort_result;
+ } else {
+ /* we're already aborting a command */
+ restore_flags(flags);
+
+ return SCSI_ABORT_BUSY;
+ }
}
/*
* Reset registers, reset a hanging bus and
* kill active and disconnected commands for target w/o soft reset
*/
-int aha152x_reset(Scsi_Cmnd *SCpnt)
+int aha152x_reset(Scsi_Cmnd *SCpnt, unsigned int unused)
{
struct Scsi_Host *shpnt = SCpnt->host;
unsigned long flags;
aha152x_reset_ports(shpnt);
/* Reset, if bus hangs */
- if(TESTLO(SSTAT1, BUSFREE))
- {
- CLRBITS(DMACNTRL0, INTEN);
+ if(TESTLO(SSTAT1, BUSFREE)) {
+ CLRBITS(DMACNTRL0, INTEN);
#if defined(DEBUG_RESET)
- if(HOSTDATA(shpnt)->debug & debug_reset)
- {
- printk("aha152x: reset(), bus not free: SCSI RESET OUT\n");
- show_queues(shpnt);
- }
+ if(HOSTDATA(shpnt)->debug & debug_reset) {
+ printk("aha152x: reset(), bus not free: SCSI RESET OUT\n");
+ show_queues(shpnt);
+ }
#endif
- ptr=CURRENT_SC;
- if(ptr && !ptr->device->soft_reset)
- {
- ptr->host_scribble = NULL;
- ptr->result = DID_RESET << 16;
- ptr->scsi_done(CURRENT_SC);
- CURRENT_SC=NULL;
- }
-
- save_flags(flags);
- cli();
- prev=NULL; ptr=DISCONNECTED_SC;
- while(ptr)
- {
- if(!ptr->device->soft_reset)
- {
- if(prev)
- prev->host_scribble = ptr->host_scribble;
- else
- DISCONNECTED_SC = (Scsi_Cmnd *) ptr->host_scribble;
-
- next = (Scsi_Cmnd *) ptr->host_scribble;
-
- ptr->host_scribble = NULL;
- ptr->result = DID_RESET << 16;
- ptr->scsi_done(ptr);
+ ptr=CURRENT_SC;
+ if(ptr && !ptr->device->soft_reset) {
+ ptr->host_scribble = NULL;
+ ptr->result = DID_RESET << 16;
+ ptr->scsi_done(CURRENT_SC);
+ CURRENT_SC=NULL;
+ }
+
+ save_flags(flags);
+ cli();
+ prev=NULL; ptr=DISCONNECTED_SC;
+ while(ptr) {
+ if(!ptr->device->soft_reset) {
+ if(prev)
+ prev->host_scribble = ptr->host_scribble;
+ else
+ DISCONNECTED_SC = (Scsi_Cmnd *) ptr->host_scribble;
+
+ next = (Scsi_Cmnd *) ptr->host_scribble;
+
+ ptr->host_scribble = NULL;
+ ptr->result = DID_RESET << 16;
+ ptr->scsi_done(ptr);
- ptr = next;
- }
- else
- {
- prev=ptr;
- ptr = (Scsi_Cmnd *) ptr->host_scribble;
- }
- }
- restore_flags(flags);
+ ptr = next;
+ } else {
+ prev=ptr;
+ ptr = (Scsi_Cmnd *) ptr->host_scribble;
+ }
+ }
+ restore_flags(flags);
#if defined(DEBUG_RESET)
- if(HOSTDATA(shpnt)->debug & debug_reset)
- {
- printk("commands on targets w/ soft-resets:\n");
- show_queues(shpnt);
- }
+ if(HOSTDATA(shpnt)->debug & debug_reset) {
+ printk("commands on targets w/ soft-resets:\n");
+ show_queues(shpnt);
+ }
#endif
- /* RESET OUT */
- SETPORT(SCSISEQ, SCSIRSTO);
- do_pause(30);
- SETPORT(SCSISEQ, 0);
- do_pause(DELAY);
+ /* RESET OUT */
+ SETPORT(SCSISEQ, SCSIRSTO);
+ do_pause(30);
+ SETPORT(SCSISEQ, 0);
+ do_pause(DELAY);
- SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
- SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+ SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
+ SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
- SETPORT(DMACNTRL0, INTEN);
- }
+ SETPORT(DMACNTRL0, INTEN);
+ }
return SCSI_RESET_SUCCESS;
}
*/
int aha152x_biosparam(Scsi_Disk * disk, kdev_t dev, int *info_array)
{
+ struct Scsi_Host *shpnt=disk->device->host;
+
#if defined(DEBUG_BIOSPARAM)
if(HOSTDATA(shpnt)->debug & debug_biosparam)
printk("aha152x_biosparam: dev=%s, size=%d, ",
kdevname(dev), disk->capacity);
#endif
-
- if(disk->capacity<=1024*64*32) {
- info_array[0]=64;
- info_array[1]=32;
- info_array[2]=disk->capacity / (64 * 32);
- } else {
- info_array[0] = 255;
- info_array[1] = 63;
- info_array[2] = disk->capacity / (255 * 63);
- if(info_array[2] > 1023)
- info_array[2]=1023;
+
+ /* try default translation */
+ info_array[0]=64;
+ info_array[1]=32;
+ info_array[2]=disk->capacity / (64 * 32);
+
+ /* for disks >1GB do some guessing */
+ if(info_array[2]>=1024) {
+ int info[3];
+
+ /* try to figure out the geometry from the partition table */
+ if(scsicam_bios_param(disk, dev, info)<0 ||
+ !((info[0]==64 && info[1]==32) || (info[0]==255 && info[1]==63))) {
+ if(EXT_TRANS) {
+ printk("aha152x: unable to verify geometry for disk with >1GB.\n"
+ " using extended translation.\n");
+ info_array[0] = 255;
+ info_array[1] = 63;
+ info_array[2] = disk->capacity / (255 * 63);
+ } else {
+ printk("aha152x: unable to verify geometry for disk with >1GB.\n"
+ " Using default translation. Please verify yourself.\n"
+ " Perhaps you need to enable extended translation in the driver.\n"
+ " See /usr/src/linux/drivers/scsi/aha152x.c for details.\n");
+ }
+ } else {
+ info_array[0]=info[0];
+ info_array[1]=info[1];
+ info_array[2]=info[2];
+
+ if(info[0]==255 && !EXT_TRANS) {
+ printk("aha152x: current partition table is using extended translation.\n"
+ " using it also, although it's not explicty enabled.\n");
+ }
+ }
}
#if defined(DEBUG_BIOSPARAM)
- if(HOSTDATA(shpnt)->debug & debug_biosparam)
- {
+ if(HOSTDATA(shpnt)->debug & debug_biosparam) {
printk("bios geometry: head=%d, sec=%d, cyl=%d\n",
- info_array[0], info_array[1], info_array[2]);
+ info_array[0], info_array[1], info_array[2]);
printk("WARNING: check, if the bios geometry is correct.\n");
}
#endif
Scsi_Cmnd *done_SC;
#if defined(DEBUG_DONE)
- if(HOSTDATA(shpnt)->debug & debug_done)
- {
+ if(HOSTDATA(shpnt)->debug & debug_done) {
printk("\naha152x: done(), ");
disp_ports(shpnt);
}
#endif
- if (CURRENT_SC)
- {
+ if(CURRENT_SC) {
#if defined(DEBUG_DONE)
- if(HOSTDATA(shpnt)->debug & debug_done)
- printk("done(%x), ", error);
+ if(HOSTDATA(shpnt)->debug & debug_done)
+ printk("done(%x), ", error);
#endif
- save_flags(flags);
- cli();
+ save_flags(flags);
+ cli();
- done_SC = CURRENT_SC;
- CURRENT_SC = NULL;
+ done_SC = CURRENT_SC;
+ CURRENT_SC = NULL;
- /* turn led off, when no commands are in the driver */
- HOSTDATA(shpnt)->commands--;
- if(!HOSTDATA(shpnt)->commands)
- SETPORT(PORTA, 0); /* turn led off */
+ /* turn led off, when no commands are in the driver */
+ HOSTDATA(shpnt)->commands--;
+ if(!HOSTDATA(shpnt)->commands)
+ SETPORT(PORTA, 0); /* turn led off */
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("ok (%d), ", HOSTDATA(shpnt)->commands);
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("ok (%d), ", HOSTDATA(shpnt)->commands);
#endif
- restore_flags(flags);
+ restore_flags(flags);
- SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
- SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+ SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
+ SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+#if 0
+/* Why poll for the BUS FREE phase, when we have setup the interrupt!? */
#if defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & debug_phases)
- printk("BUS FREE loop, ");
+ if(HOSTDATA(shpnt)->debug & debug_phases)
+ printk("BUS FREE loop, ");
#endif
- while(TESTLO(SSTAT1, BUSFREE))
- barrier();
+ while(TESTLO(SSTAT1, BUSFREE))
+ barrier();
#if defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & debug_phases)
- printk("BUS FREE\n");
+ if(HOSTDATA(shpnt)->debug & debug_phases)
+ printk("BUS FREE\n");
+#endif
#endif
- done_SC->result = error;
- if(done_SC->scsi_done)
- {
+ done_SC->result = error;
+ if(done_SC->scsi_done) {
#if defined(DEBUG_DONE)
- if(HOSTDATA(shpnt)->debug & debug_done)
- printk("calling scsi_done, ");
+ if(HOSTDATA(shpnt)->debug & debug_done)
+ printk("calling scsi_done, ");
#endif
- done_SC->scsi_done(done_SC);
+ done_SC->scsi_done(done_SC);
#if defined(DEBUG_DONE)
- if(HOSTDATA(shpnt)->debug & debug_done)
- printk("done returned, ");
+ if(HOSTDATA(shpnt)->debug & debug_done)
+ printk("done returned, ");
#endif
- }
- else
- panic("aha152x: current_SC->scsi_done() == NULL");
- }
- else
+ } else
+ panic("aha152x: current_SC->scsi_done() == NULL");
+ } else
aha152x_panic(shpnt, "done() called outside of command");
}
#endif
#endif
- /* no more interrupts from the controller, while we busy.
+ if(!shpnt)
+ panic("aha152x: catched interrupt for unknown controller.\n");
+
+ /* no more interrupts from the controller, while we're busy.
INTEN has to be restored, when we're ready to leave
- intr(). To avoid race conditions we have to return
+ intr(). To avoid race conditions, we have to return
immediately afterwards. */
CLRBITS(DMACNTRL0, INTEN);
sti(); /* Yes, sti() really needs to be here */
*/
if(TESTHI(SSTAT0, SELDI) &&
DISCONNECTED_SC &&
- (!CURRENT_SC || (CURRENT_SC->SCp.phase & in_selection)) )
- {
- int identify_msg, target, i;
+ (!CURRENT_SC || (CURRENT_SC->SCp.phase & in_selection)) ) {
+ int identify_msg, target, i;
- /* Avoid conflicts when a target reconnects
- while we are trying to connect to another. */
- if(CURRENT_SC)
- {
+ /* Avoid conflicts when a target reconnects
+ while we are trying to connect to another. */
+ if(CURRENT_SC) {
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("i+, ");
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("i+, ");
#endif
- save_flags(flags);
- cli();
- append_SC(&ISSUE_SC, CURRENT_SC);
- CURRENT_SC=NULL;
- restore_flags(flags);
- }
+ save_flags(flags);
+ cli();
+ append_SC(&ISSUE_SC, CURRENT_SC);
+ CURRENT_SC=NULL;
+ restore_flags(flags);
+ }
- /* disable sequences */
- SETPORT(SCSISEQ, 0);
- SETPORT(SSTAT0, CLRSELDI);
- SETPORT(SSTAT1, CLRBUSFREE);
+ /* disable sequences */
+ SETPORT(SCSISEQ, 0);
+ SETPORT(SSTAT0, CLRSELDI);
+ SETPORT(SSTAT1, CLRBUSFREE);
#if defined(DEBUG_QUEUES) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_queues|debug_phases))
- printk("reselected, ");
+ if(HOSTDATA(shpnt)->debug & (debug_queues|debug_phases))
+ printk("reselected, ");
#endif
- i = GETPORT(SELID) & ~(1 << shpnt->this_id);
- target=0;
- if(i)
- for(; (i & 1)==0; target++, i>>=1)
- ;
- else
- aha152x_panic(shpnt, "reconnecting target unknown");
+ i = GETPORT(SELID) & ~(1 << shpnt->this_id);
+ target=0;
+
+ if(i==0)
+ aha152x_panic(shpnt, "reconnecting target unknown");
+
+ for(; (i & 1)==0; target++, i>>=1)
+ ;
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("SELID=%02x, target=%d, ", GETPORT(SELID), target);
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("SELID=%02x, target=%d, ", GETPORT(SELID), target);
#endif
- SETPORT(SCSIID, (shpnt->this_id << OID_) | target);
- SETPORT(SCSISEQ, ENRESELI);
+ SETPORT(SCSIID, (shpnt->this_id << OID_) | target);
+ SETPORT(SCSISEQ, ENRESELI);
- if(TESTLO(SSTAT0, SELDI))
- aha152x_panic(shpnt, "RESELI failed");
+ if(TESTLO(SSTAT0, SELDI))
+ aha152x_panic(shpnt, "RESELI failed");
- SETPORT(SCSIRATE, HOSTDATA(shpnt)->syncrate[target]&0x7f);
+ SETPORT(SCSIRATE, HOSTDATA(shpnt)->syncrate[target]&0x7f);
- SETPORT(SCSISIG, P_MSGI);
+ SETPORT(SCSISIG, P_MSGI);
- /* Get identify message */
- if((i=getphase(shpnt))!=P_MSGI)
- {
- printk("target doesn't enter MSGI to identify (phase=%02x)\n", i);
- aha152x_panic(shpnt, "unknown lun");
- }
- SETPORT(SCSISEQ, 0);
+ /* Get identify message */
+ if((i=getphase(shpnt))!=P_MSGI) {
+ printk("target doesn't enter MSGI to identify (phase=%02x)\n", i);
+ aha152x_panic(shpnt, "unknown lun");
+ }
+ SETPORT(SCSISEQ, 0);
- SETPORT(SXFRCTL0, CH1);
+ SETPORT(SXFRCTL0, CH1);
- identify_msg = GETPORT(SCSIBUS);
+ identify_msg = GETPORT(SCSIBUS);
- if(!(identify_msg & IDENTIFY_BASE))
- {
- printk("target=%d, inbound message (%02x) != IDENTIFY\n",
- target, identify_msg);
- aha152x_panic(shpnt, "unknown lun");
- }
+ if(!(identify_msg & IDENTIFY_BASE)) {
+ printk("target=%d, inbound message (%02x) != IDENTIFY\n",
+ target, identify_msg);
+ aha152x_panic(shpnt, "unknown lun");
+ }
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("identify=%02x, lun=%d, ", identify_msg, identify_msg & 0x3f);
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("identify=%02x, lun=%d, ", identify_msg, identify_msg & 0x3f);
#endif
- save_flags(flags);
- cli();
+ save_flags(flags);
+ cli();
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("d-, ");
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("d-, ");
#endif
- CURRENT_SC = remove_SC(&DISCONNECTED_SC,
- target,
- identify_msg & 0x3f);
+ CURRENT_SC = remove_SC(&DISCONNECTED_SC, target, identify_msg & 0x3f);
- if(!CURRENT_SC)
- {
- printk("lun=%d, ", identify_msg & 0x3f);
- aha152x_panic(shpnt, "no disconnected command for that lun");
- }
+ if(!CURRENT_SC) {
+ printk("lun=%d, ", identify_msg & 0x3f);
+ aha152x_panic(shpnt, "no disconnected command for that lun");
+ }
- CURRENT_SC->SCp.phase &= ~disconnected;
- restore_flags(flags);
+ CURRENT_SC->SCp.phase &= ~disconnected;
+ restore_flags(flags);
- make_acklow(shpnt);
- if(getphase(shpnt)!=P_MSGI) {
+ make_acklow(shpnt);
+ if(getphase(shpnt)!=P_MSGI) {
SETPORT(SIMODE0, 0);
SETPORT(SIMODE1, ENPHASEMIS|ENBUSFREE);
#if defined(DEBUG_RACE)
SETBITS(DMACNTRL0, INTEN);
return;
}
- }
+ }
/* Check, if we aren't busy with a command */
- if(!CURRENT_SC)
- {
- /* bus is free to issue a queued command */
- if(TESTHI(SSTAT1, BUSFREE) && ISSUE_SC)
- {
- save_flags(flags);
- cli();
+ if(!CURRENT_SC) {
+ /* bus is free to issue a queued command */
+ if(TESTHI(SSTAT1, BUSFREE) && ISSUE_SC) {
+ save_flags(flags);
+ cli();
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("i-, ");
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("i-, ");
#endif
- CURRENT_SC = remove_first_SC(&ISSUE_SC);
- restore_flags(flags);
+ CURRENT_SC = remove_first_SC(&ISSUE_SC);
+ restore_flags(flags);
#if defined(DEBUG_INTR) || defined(DEBUG_SELECTION) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_intr|debug_selection|debug_phases))
- printk("issuing command, ");
+ if(HOSTDATA(shpnt)->debug & (debug_intr|debug_selection|debug_phases))
+ printk("issuing command, ");
#endif
- CURRENT_SC->SCp.phase = in_selection;
+ CURRENT_SC->SCp.phase = in_selection;
#if defined(DEBUG_INTR) || defined(DEBUG_SELECTION) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_intr|debug_selection|debug_phases))
- printk("selecting %d, ", CURRENT_SC->target);
+ if(HOSTDATA(shpnt)->debug & (debug_intr|debug_selection|debug_phases))
+ printk("selecting %d, ", CURRENT_SC->target);
#endif
- SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->target);
+ SETPORT(SCSIID, (shpnt->this_id << OID_) | CURRENT_SC->target);
- /* Enable interrupts for SELECTION OUT DONE and SELECTION OUT INITIATED */
- SETPORT(SXFRCTL1, HOSTDATA(shpnt)->parity ? (ENSPCHK|ENSTIMER) : ENSTIMER);
+ /* Enable interrupts for SELECTION OUT DONE and SELECTION OUT INITIATED */
+ SETPORT(SXFRCTL1, HOSTDATA(shpnt)->parity ? (ENSPCHK|ENSTIMER) : ENSTIMER);
- /* enable interrupts for SELECTION OUT DONE and SELECTION TIME OUT */
- SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0));
- SETPORT(SIMODE1, ENSELTIMO);
+ /* enable interrupts for SELECTION OUT DONE and SELECTION TIME OUT */
+ SETPORT(SIMODE0, ENSELDO | (DISCONNECTED_SC ? ENSELDI : 0));
+ SETPORT(SIMODE1, ENSELTIMO);
- /* Enable SELECTION OUT sequence */
- SETBITS(SCSISEQ, ENSELO | ENAUTOATNO);
-
- }
- else
- {
- /* No command we are busy with and no new to issue */
- printk("aha152x: ignoring spurious interrupt, nothing to do\n");
- if(TESTHI(DMACNTRL0, SWINT)) {
- printk("aha152x: SWINT is set! Why?\n");
- CLRBITS(DMACNTRL0, SWINT);
- }
- show_queues(shpnt);
- }
+ /* Enable SELECTION OUT sequence */
+ SETBITS(SCSISEQ, ENSELO | ENAUTOATNO);
+
+ } else {
+ /* No command we are busy with and no new to issue */
+ printk("aha152x: ignoring spurious interrupt, nothing to do\n");
+ if(TESTHI(DMACNTRL0, SWINT)) {
+ printk("aha152x: SWINT is set! Why?\n");
+ CLRBITS(DMACNTRL0, SWINT);
+ }
+ show_queues(shpnt);
+ }
#if defined(DEBUG_RACE)
- leave_driver("(selecting) intr");
+ leave_driver("(selecting) intr");
#endif
- SETBITS(DMACNTRL0, INTEN);
- return;
- }
+ SETBITS(DMACNTRL0, INTEN);
+ return;
+ }
/* the bus is busy with something */
#endif
/* we are waiting for the result of a selection attempt */
- if(CURRENT_SC->SCp.phase & in_selection)
- {
- if(TESTLO(SSTAT1, SELTO))
- /* no timeout */
- if(TESTHI(SSTAT0, SELDO))
- {
- /* clear BUS FREE interrupt */
- SETPORT(SSTAT1, CLRBUSFREE);
+ if(CURRENT_SC->SCp.phase & in_selection) {
+ if(TESTLO(SSTAT1, SELTO))
+ /* no timeout */
+ if(TESTHI(SSTAT0, SELDO)) {
+ /* clear BUS FREE interrupt */
+ SETPORT(SSTAT1, CLRBUSFREE);
- /* Disable SELECTION OUT sequence */
- CLRBITS(SCSISEQ, ENSELO|ENAUTOATNO);
+ /* Disable SELECTION OUT sequence */
+ CLRBITS(SCSISEQ, ENSELO|ENAUTOATNO);
- /* Disable SELECTION OUT DONE interrupt */
- CLRBITS(SIMODE0, ENSELDO);
- CLRBITS(SIMODE1, ENSELTIMO);
+ /* Disable SELECTION OUT DONE interrupt */
+ CLRBITS(SIMODE0, ENSELDO);
+ CLRBITS(SIMODE1, ENSELTIMO);
- if(TESTLO(SSTAT0, SELDO))
- {
- printk("aha152x: passing bus free condition\n");
+ if(TESTLO(SSTAT0, SELDO)) {
+ printk("aha152x: passing bus free condition\n");
#if defined(DEBUG_RACE)
- leave_driver("(passing bus free) intr");
+ leave_driver("(passing bus free) intr");
#endif
- SETBITS(DMACNTRL0, INTEN);
+ SETBITS(DMACNTRL0, INTEN);
+
+ if(CURRENT_SC->SCp.phase & aborted) {
+ HOSTDATA(shpnt)->abort_result=SCSI_ABORT_ERROR;
+ HOSTDATA(shpnt)->abortion_complete++;
+ }
- if(CURRENT_SC->SCp.phase & aborted)
- {
- HOSTDATA(shpnt)->abort_result=SCSI_ABORT_ERROR;
- HOSTDATA(shpnt)->abortion_complete++;
- }
+ aha152x_done(shpnt, DID_NO_CONNECT << 16);
- aha152x_done(shpnt, DID_NO_CONNECT << 16);
- return;
- }
+ return;
+ }
#if defined(DEBUG_SELECTION) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_selection|debug_phases))
- printk("SELDO (SELID=%x), ", GETPORT(SELID));
+ if(HOSTDATA(shpnt)->debug & (debug_selection|debug_phases))
+ printk("SELDO (SELID=%x), ", GETPORT(SELID));
#endif
- /* selection was done */
- SETPORT(SSTAT0, CLRSELDO);
+ /* selection was done */
+ SETPORT(SSTAT0, CLRSELDO);
#if defined(DEBUG_ABORT)
- if((HOSTDATA(shpnt)->debug & debug_abort) && (CURRENT_SC->SCp.phase & aborted))
- printk("(ABORT) target selected, ");
+ if((HOSTDATA(shpnt)->debug & debug_abort) && (CURRENT_SC->SCp.phase & aborted))
+ printk("(ABORT) target selected, ");
#endif
- CURRENT_SC->SCp.phase &= ~in_selection;
- CURRENT_SC->SCp.phase |= in_other;
+ CURRENT_SC->SCp.phase &= ~in_selection;
+ CURRENT_SC->SCp.phase |= in_other;
- ADDMSG(IDENTIFY(HOSTDATA(shpnt)->reconnect,CURRENT_SC->lun));
+ ADDMSG(IDENTIFY(HOSTDATA(shpnt)->reconnect,CURRENT_SC->lun));
- if(!(SYNCRATE&0x80) && HOSTDATA(shpnt)->synchronous)
- {
- ADDMSG(EXTENDED_MESSAGE);
- ADDMSG(3);
- ADDMSG(EXTENDED_SDTR);
- ADDMSG(50);
- ADDMSG(8);
+ if(!(SYNCRATE&0x80) && HOSTDATA(shpnt)->synchronous) {
+ ADDMSG(EXTENDED_MESSAGE);
+ ADDMSG(3);
+ ADDMSG(EXTENDED_SDTR);
+ ADDMSG(50);
+ ADDMSG(8);
- printk("outbound SDTR: ");
- print_msg(&MSG(MSGLEN-5));
+ printk("outbound SDTR: ");
+ print_msg(&MSG(MSGLEN-5));
- SYNCRATE=0x80;
- CURRENT_SC->SCp.phase |= in_sync;
- }
+ SYNCRATE=0x80;
+ CURRENT_SC->SCp.phase |= in_sync;
+ }
#if defined(DEBUG_RACE)
- leave_driver("(SELDO) intr");
+ leave_driver("(SELDO) intr");
#endif
- SETPORT(SCSIRATE, SYNCRATE&0x7f);
+ SETPORT(SCSIRATE, SYNCRATE&0x7f);
- SETPORT(SCSISIG, P_MSGO);
+ SETPORT(SCSISIG, P_MSGO);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENREQINIT|ENBUSFREE);
- SETBITS(DMACNTRL0, INTEN);
- return;
- }
- else
- aha152x_panic(shpnt, "neither timeout nor selection\007");
- else
- {
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENREQINIT|ENBUSFREE);
+ SETBITS(DMACNTRL0, INTEN);
+
+ return;
+ } else
+ aha152x_panic(shpnt, "neither timeout nor selection\007");
+ else {
#if defined(DEBUG_SELECTION) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_selection|debug_phases))
- printk("SELTO, ");
+ if(HOSTDATA(shpnt)->debug & (debug_selection|debug_phases))
+ printk("SELTO, ");
#endif
- /* end selection attempt */
- CLRBITS(SCSISEQ, ENSELO|ENAUTOATNO);
+ /* end selection attempt */
+ CLRBITS(SCSISEQ, ENSELO|ENAUTOATNO);
- /* timeout */
- SETPORT(SSTAT1, CLRSELTIMO);
+ /* timeout */
+ SETPORT(SSTAT1, CLRSELTIMO);
- SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
- SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
- SETBITS(DMACNTRL0, INTEN);
+ SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
+ SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+ SETBITS(DMACNTRL0, INTEN);
#if defined(DEBUG_RACE)
- leave_driver("(SELTO) intr");
+ leave_driver("(SELTO) intr");
#endif
- if(CURRENT_SC->SCp.phase & aborted)
- {
+ if(CURRENT_SC->SCp.phase & aborted) {
#if defined(DEBUG_ABORT)
- if(HOSTDATA(shpnt)->debug & debug_abort)
- printk("(ABORT) selection timeout, ");
-#endif
- HOSTDATA(shpnt)->abort_result=SCSI_ABORT_ERROR;
- HOSTDATA(shpnt)->abortion_complete++;
- }
-
- if(TESTLO(SSTAT0, SELINGO))
- /* ARBITRATION not won */
- aha152x_done(shpnt, DID_BUS_BUSY << 16);
- else
- /* ARBITRATION won, but SELECTION failed */
- aha152x_done(shpnt, DID_NO_CONNECT << 16);
-
- return;
- }
- }
+ if(HOSTDATA(shpnt)->debug & debug_abort)
+ printk("(ABORT) selection timeout, ");
+#endif
+ HOSTDATA(shpnt)->abort_result=SCSI_ABORT_ERROR;
+ HOSTDATA(shpnt)->abortion_complete++;
+ }
- /* enable interrupt, when target leaves current phase */
+ if(TESTLO(SSTAT0, SELINGO))
+ /* ARBITRATION not won */
+ aha152x_done(shpnt, DID_BUS_BUSY << 16);
+ else
+ /* ARBITRATION won, but SELECTION failed */
+ aha152x_done(shpnt, DID_NO_CONNECT << 16);
+
+ return;
+ }
+ }
+
+ /* enable interrupt, when target leaves current phase */
phase = getphase(shpnt);
if(!(phase & ~P_MASK)) /* "real" phase */
SETPORT(SCSISIG, phase);
(CURRENT_SC->SCp.phase & ~((P_MASK|1)<<16)) | (phase << 16);
/* information transfer phase */
- switch(phase)
+ switch(phase) {
+ case P_MSGO: /* MESSAGE OUT */
{
- case P_MSGO: /* MESSAGE OUT */
- {
- int i, identify=0, abort=0;
+ int i, identify=0, abort=0;
#if defined(DEBUG_INTR) || defined(DEBUG_MSGO) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_intr|debug_msgo|debug_phases))
- printk("MESSAGE OUT, ");
+ if(HOSTDATA(shpnt)->debug & (debug_intr|debug_msgo|debug_phases))
+ printk("MESSAGE OUT, ");
#endif
- if(MSGLEN==0)
- {
- ADDMSG(MESSAGE_REJECT);
+ if(MSGLEN==0) {
+ ADDMSG(MESSAGE_REJECT);
#if defined(DEBUG_MSGO)
- if(HOSTDATA(shpnt)->debug & debug_msgo)
- printk("unexpected MSGO; rejecting, ");
+ if(HOSTDATA(shpnt)->debug & debug_msgo)
+ printk("unexpected MESSAGE OUT phase; rejecting, ");
#endif
- }
-
+ }
- CLRBITS(SXFRCTL0, ENDMA);
+ CLRBITS(SXFRCTL0, ENDMA);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENPHASEMIS|ENREQINIT|ENBUSFREE);
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENPHASEMIS|ENREQINIT|ENBUSFREE);
- /* wait for data latch to become ready or a phase change */
- while(TESTLO(DMASTAT, INTSTAT))
- barrier();
+ /* wait for data latch to become ready or a phase change */
+ while(TESTLO(DMASTAT, INTSTAT))
+ barrier();
#if defined(DEBUG_MSGO)
- if(HOSTDATA(shpnt)->debug & debug_msgo)
- {
- int i;
+ if(HOSTDATA(shpnt)->debug & debug_msgo) {
+ int i;
- printk("messages (");
- for(i=0; i<MSGLEN; i+=print_msg(&MSG(i)), printk(" "))
- ;
- printk("), ");
- }
+ printk("messages (");
+ for(i=0; i<MSGLEN; i+=print_msg(&MSG(i)), printk(" "))
+ ;
+ printk("), ");
+ }
#endif
- for(i=0; i<MSGLEN && TESTLO(SSTAT1, PHASEMIS); i++)
- {
+ for(i=0; i<MSGLEN && TESTLO(SSTAT1, PHASEMIS); i++) {
#if defined(DEBUG_MSGO)
- if(HOSTDATA(shpnt)->debug & debug_msgo)
- printk("%x ", MSG(i));
+ if(HOSTDATA(shpnt)->debug & debug_msgo)
+ printk("%x ", MSG(i));
#endif
- if(i==MSGLEN-1)
- {
- /* Leave MESSAGE OUT after transfer */
- SETPORT(SSTAT1, CLRATNO);
- }
-
- SETPORT(SCSIDAT, MSG(i));
+ if(i==MSGLEN-1) {
+ /* Leave MESSAGE OUT after transfer */
+ SETPORT(SSTAT1, CLRATNO);
+ }
+
+ SETPORT(SCSIDAT, MSG(i));
- make_acklow(shpnt);
- getphase(shpnt);
+ make_acklow(shpnt);
+ getphase(shpnt);
- if(MSG(i)==IDENTIFY(HOSTDATA(shpnt)->reconnect,CURRENT_SC->lun))
- identify++;
+ if(MSG(i)==IDENTIFY(HOSTDATA(shpnt)->reconnect,CURRENT_SC->lun))
+ identify++;
- if(MSG(i)==ABORT)
- abort++;
+ if(MSG(i)==ABORT)
+ abort++;
- }
+ }
- MSGLEN=0;
+ MSGLEN=0;
- if(identify)
- CURRENT_SC->SCp.phase |= sent_ident;
+ if(identify)
+ CURRENT_SC->SCp.phase |= sent_ident;
- if(abort)
- {
- /* revive abort(); abort() enables interrupts */
- HOSTDATA(shpnt)->abort_result=SCSI_ABORT_SUCCESS;
- HOSTDATA(shpnt)->abortion_complete++;
+ if(abort) {
+ /* revive abort(); abort() enables interrupts */
+ HOSTDATA(shpnt)->abort_result=SCSI_ABORT_SUCCESS;
+ HOSTDATA(shpnt)->abortion_complete++;
- CURRENT_SC->SCp.phase &= ~(P_MASK<<16);
+ CURRENT_SC->SCp.phase &= ~(P_MASK<<16);
- /* exit */
- SETBITS(DMACNTRL0, INTEN);
+ /* exit */
+ SETBITS(DMACNTRL0, INTEN);
#if defined(DEBUG_RACE)
- leave_driver("(ABORT) intr");
+ leave_driver("(ABORT) intr");
#endif
- aha152x_done(shpnt, DID_ABORT<<16);
- return;
- }
+ aha152x_done(shpnt, DID_ABORT<<16);
+
+ return;
}
- break;
+ }
+ break;
- case P_CMD: /* COMMAND phase */
+ case P_CMD: /* COMMAND phase */
#if defined(DEBUG_INTR) || defined(DEBUG_CMD) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_intr|debug_cmd|debug_phases))
- printk("COMMAND, ");
+ if(HOSTDATA(shpnt)->debug & (debug_intr|debug_cmd|debug_phases))
+ printk("COMMAND, ");
#endif
- if(!(CURRENT_SC->SCp.sent_command))
- {
- int i;
+ if(!(CURRENT_SC->SCp.sent_command)) {
+ int i;
- CLRBITS(SXFRCTL0, ENDMA);
+ CLRBITS(SXFRCTL0, ENDMA);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENPHASEMIS|ENREQINIT|ENBUSFREE);
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENPHASEMIS|ENREQINIT|ENBUSFREE);
- /* wait for data latch to become ready or a phase change */
- while(TESTLO(DMASTAT, INTSTAT))
- barrier();
+ /* wait for data latch to become ready or a phase change */
+ while(TESTLO(DMASTAT, INTSTAT))
+ barrier();
- for(i=0; i<CURRENT_SC->cmd_len && TESTLO(SSTAT1, PHASEMIS); i++)
- {
- SETPORT(SCSIDAT, CURRENT_SC->cmnd[i]);
+ for(i=0; i<CURRENT_SC->cmd_len && TESTLO(SSTAT1, PHASEMIS); i++) {
+ SETPORT(SCSIDAT, CURRENT_SC->cmnd[i]);
- make_acklow(shpnt);
- getphase(shpnt);
- }
+ make_acklow(shpnt);
+ getphase(shpnt);
+ }
- if(i<CURRENT_SC->cmd_len && TESTHI(SSTAT1, PHASEMIS))
- aha152x_panic(shpnt, "target left COMMAND");
+ if(i<CURRENT_SC->cmd_len && TESTHI(SSTAT1, PHASEMIS))
+ aha152x_panic(shpnt, "target left COMMAND");
- CURRENT_SC->SCp.sent_command++;
- }
- else
- aha152x_panic(shpnt, "Nothing to send while in COMMAND");
+ CURRENT_SC->SCp.sent_command++;
+ } else
+ aha152x_panic(shpnt, "Nothing to send while in COMMAND");
break;
- case P_MSGI: /* MESSAGE IN phase */
- {
- int start_sync=0;
+ case P_MSGI: /* MESSAGE IN phase */
+ {
+ int start_sync=0;
#if defined(DEBUG_INTR) || defined(DEBUG_MSGI) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_intr|debug_msgi|debug_phases))
- printk("MESSAGE IN, ");
+ if(HOSTDATA(shpnt)->debug & (debug_intr|debug_msgi|debug_phases))
+ printk("MESSAGE IN, ");
#endif
- SETPORT(SXFRCTL0, CH1);
+ SETPORT(SXFRCTL0, CH1);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENBUSFREE);
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENBUSFREE);
- while(phase == P_MSGI)
- {
- CURRENT_SC->SCp.Message = GETPORT(SCSIDAT);
- switch(CURRENT_SC->SCp.Message)
- {
- case DISCONNECT:
+ while(phase == P_MSGI) {
+ CURRENT_SC->SCp.Message = GETPORT(SCSIDAT);
+ switch(CURRENT_SC->SCp.Message) {
+ case DISCONNECT:
#if defined(DEBUG_MSGI) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_msgi|debug_phases))
- printk("target disconnected, ");
-#endif
- CURRENT_SC->SCp.Message = 0;
- CURRENT_SC->SCp.phase |= disconnected;
- if(!HOSTDATA(shpnt)->reconnect)
- aha152x_panic(shpnt, "target was not allowed to disconnect");
- break;
-
- case COMMAND_COMPLETE:
+ if(HOSTDATA(shpnt)->debug & (debug_msgi|debug_phases))
+ printk("target disconnected, ");
+#endif
+ CURRENT_SC->SCp.Message = 0;
+ CURRENT_SC->SCp.phase |= disconnected;
+ if(!HOSTDATA(shpnt)->reconnect)
+ aha152x_panic(shpnt, "target was not allowed to disconnect");
+
+ break;
+
+ case COMMAND_COMPLETE:
#if defined(DEBUG_MSGI) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_msgi|debug_phases))
- printk("inbound message (COMMAND COMPLETE), ");
-#endif
- done++;
- break;
-
- case MESSAGE_REJECT:
- if(CURRENT_SC->SCp.phase & in_sync)
- {
- CURRENT_SC->SCp.phase &= ~in_sync;
- SYNCRATE=0x80;
- printk("synchronous rejected, ");
- }
- else
- printk("inbound message (MESSAGE REJECT), ");
+ if(HOSTDATA(shpnt)->debug & (debug_msgi|debug_phases))
+ printk("inbound message (COMMAND COMPLETE), ");
+#endif
+ done++;
+ break;
+
+ case MESSAGE_REJECT:
+ if(CURRENT_SC->SCp.phase & in_sync) {
+ CURRENT_SC->SCp.phase &= ~in_sync;
+ SYNCRATE=0x80;
+ printk("synchronous rejected, ");
+ } else
+ printk("inbound message (MESSAGE REJECT), ");
#if defined(DEBUG_MSGI)
- if(HOSTDATA(shpnt)->debug & debug_msgi)
- printk("inbound message (MESSAGE REJECT), ");
+ if(HOSTDATA(shpnt)->debug & debug_msgi)
+ printk("inbound message (MESSAGE REJECT), ");
#endif
- break;
+ break;
- case SAVE_POINTERS:
+ case SAVE_POINTERS:
#if defined(DEBUG_MSGI)
- if(HOSTDATA(shpnt)->debug & debug_msgi)
- printk("inbound message (SAVE DATA POINTERS), ");
+ if(HOSTDATA(shpnt)->debug & debug_msgi)
+ printk("inbound message (SAVE DATA POINTERS), ");
#endif
- break;
+ break;
- case RESTORE_POINTERS:
+ case RESTORE_POINTERS:
#if defined(DEBUG_MSGI)
- if(HOSTDATA(shpnt)->debug & debug_msgi)
- printk("inbound message (RESTORE DATA POINTERS), ");
+ if(HOSTDATA(shpnt)->debug & debug_msgi)
+ printk("inbound message (RESTORE DATA POINTERS), ");
#endif
- break;
+ break;
- case EXTENDED_MESSAGE:
- {
- char buffer[16];
- int i;
+ case EXTENDED_MESSAGE:
+ {
+ char buffer[16];
+ int i;
#if defined(DEBUG_MSGI)
- if(HOSTDATA(shpnt)->debug & debug_msgi)
- printk("inbound message (EXTENDED MESSAGE), ");
+ if(HOSTDATA(shpnt)->debug & debug_msgi)
+ printk("inbound message (EXTENDED MESSAGE), ");
#endif
- make_acklow(shpnt);
- if(getphase(shpnt)!=P_MSGI)
- break;
+ make_acklow(shpnt);
+ if(getphase(shpnt)!=P_MSGI)
+ break;
- buffer[0]=EXTENDED_MESSAGE;
- buffer[1]=GETPORT(SCSIDAT);
-
- for(i=0; i<buffer[1] &&
- (make_acklow(shpnt), getphase(shpnt)==P_MSGI); i++)
- buffer[2+i]=GETPORT(SCSIDAT);
+ buffer[0]=EXTENDED_MESSAGE;
+ buffer[1]=GETPORT(SCSIDAT);
+
+ for(i=0; i<buffer[1] &&
+ (make_acklow(shpnt), getphase(shpnt)==P_MSGI); i++)
+ buffer[2+i]=GETPORT(SCSIDAT);
#if defined(DEBUG_MSGI)
- if(HOSTDATA(shpnt)->debug & debug_msgi)
- print_msg(buffer);
-#endif
-
- switch(buffer [2])
- {
- case EXTENDED_SDTR:
- {
- long ticks;
-
- if(buffer[1]!=3)
- aha152x_panic(shpnt, "SDTR message length != 3");
-
- if(!HOSTDATA(shpnt)->synchronous)
- break;
-
- printk("inbound SDTR: "); print_msg(buffer);
-
- ticks=(buffer[3]*4+49)/50;
-
- if(CURRENT_SC->SCp.phase & in_sync)
- {
- /* we initiated SDTR */
- if(ticks>9 || buffer[4]<1 || buffer[4]>8)
- aha152x_panic(shpnt, "received SDTR invalid");
-
- SYNCRATE |= ((ticks-2)<<4) + buffer[4];
- }
- else if(ticks<=9 && buffer[4]>=1)
- {
- if(buffer[4]>8)
- buffer[4]=8;
-
- ADDMSG(EXTENDED_MESSAGE);
- ADDMSG(3);
- ADDMSG(EXTENDED_SDTR);
- if(ticks<4)
- {
- ticks=4;
- ADDMSG(50);
- }
- else
- ADDMSG(buffer[3]);
-
- ADDMSG(buffer[4]);
-
- printk("outbound SDTR: ");
- print_msg(&MSG(MSGLEN-5));
-
- CURRENT_SC->SCp.phase |= in_sync;
-
- SYNCRATE |= ((ticks-2)<<4) + buffer[4];
-
- start_sync++;
- }
- else
- {
- /* requested SDTR is too slow, do it asynchronously */
- ADDMSG(MESSAGE_REJECT);
- SYNCRATE = 0;
- }
-
- SETPORT(SCSIRATE, SYNCRATE&0x7f);
- }
- break;
-
- case EXTENDED_MODIFY_DATA_POINTER:
- case EXTENDED_EXTENDED_IDENTIFY:
- case EXTENDED_WDTR:
- default:
- ADDMSG(MESSAGE_REJECT);
- break;
- }
- }
- break;
+ if(HOSTDATA(shpnt)->debug & debug_msgi)
+ print_msg(buffer);
+#endif
+
+ switch(buffer [2]) {
+ case EXTENDED_SDTR:
+ {
+ long ticks;
+
+ if(buffer[1]!=3)
+ aha152x_panic(shpnt, "SDTR message length != 3");
+
+ if(!HOSTDATA(shpnt)->synchronous)
+ break;
+
+ printk("inbound SDTR: "); print_msg(buffer);
+
+ ticks=(buffer[3]*4+49)/50;
+
+ if(CURRENT_SC->SCp.phase & in_sync) {
+ /* we initiated SDTR */
+ if(ticks>9 || buffer[4]<1 || buffer[4]>8)
+ aha152x_panic(shpnt, "received SDTR invalid");
+
+ SYNCRATE |= ((ticks-2)<<4) + buffer[4];
+ } else if(ticks<=9 && buffer[4]>=1) {
+ if(buffer[4]>8)
+ buffer[4]=8;
+
+ ADDMSG(EXTENDED_MESSAGE);
+ ADDMSG(3);
+ ADDMSG(EXTENDED_SDTR);
+ if(ticks<4) {
+ ticks=4;
+ ADDMSG(50);
+ } else
+ ADDMSG(buffer[3]);
+
+ ADDMSG(buffer[4]);
+
+ printk("outbound SDTR: ");
+ print_msg(&MSG(MSGLEN-5));
+
+ CURRENT_SC->SCp.phase |= in_sync;
+
+ SYNCRATE |= ((ticks-2)<<4) + buffer[4];
+
+ start_sync++;
+ } else {
+ /* requested SDTR is too slow, do it asynchronously */
+ ADDMSG(MESSAGE_REJECT);
+ SYNCRATE = 0;
+ }
+
+ SETPORT(SCSIRATE, SYNCRATE&0x7f);
+ }
+ break;
+
+ case EXTENDED_MODIFY_DATA_POINTER:
+ case EXTENDED_EXTENDED_IDENTIFY:
+ case EXTENDED_WDTR:
+ default:
+ ADDMSG(MESSAGE_REJECT);
+ break;
+ }
+ }
+ break;
- default:
- printk("unsupported inbound message %x, ",
- CURRENT_SC->SCp.Message);
- break;
+ default:
+ printk("unsupported inbound message %x, ", CURRENT_SC->SCp.Message);
+ break;
- }
+ }
- make_acklow(shpnt);
- phase=getphase(shpnt);
- }
+ make_acklow(shpnt);
+ phase=getphase(shpnt);
+ }
- if(start_sync)
- CURRENT_SC->SCp.phase |= in_sync;
- else
- CURRENT_SC->SCp.phase &= ~in_sync;
+ if(start_sync)
+ CURRENT_SC->SCp.phase |= in_sync;
+ else
+ CURRENT_SC->SCp.phase &= ~in_sync;
- if(MSGLEN>0)
- SETPORT(SCSISIG, P_MSGI|ATNO);
+ if(MSGLEN>0)
+ SETPORT(SCSISIG, P_MSGI|ATNO);
/* clear SCSI fifo on BUSFREE */
if(phase==P_BUSFREE)
- SETPORT(SXFRCTL0, CH1|CLRCH1);
+ SETPORT(SXFRCTL0, CH1|CLRCH1);
- if(CURRENT_SC->SCp.phase & disconnected)
- {
- save_flags(flags);
- cli();
+ if(CURRENT_SC->SCp.phase & disconnected) {
+ save_flags(flags);
+ cli();
#if defined(DEBUG_QUEUES)
- if(HOSTDATA(shpnt)->debug & debug_queues)
- printk("d+, ");
+ if(HOSTDATA(shpnt)->debug & debug_queues)
+ printk("d+, ");
#endif
- append_SC(&DISCONNECTED_SC, CURRENT_SC);
- CURRENT_SC->SCp.phase |= 1<<16;
- CURRENT_SC = NULL;
- restore_flags(flags);
+ append_SC(&DISCONNECTED_SC, CURRENT_SC);
+ CURRENT_SC->SCp.phase |= 1<<16;
+ CURRENT_SC = NULL;
+ restore_flags(flags);
- SETBITS(SCSISEQ, ENRESELI);
+ SETBITS(SCSISEQ, ENRESELI);
- SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
- SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+ SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
+ SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
- SETBITS(DMACNTRL0, INTEN);
- return;
- }
+ SETBITS(DMACNTRL0, INTEN);
+
+ return;
}
- break;
+ }
+ break;
- case P_STATUS: /* STATUS IN phase */
+ case P_STATUS: /* STATUS IN phase */
#if defined(DEBUG_STATUS) || defined(DEBUG_INTR) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_status|debug_intr|debug_phases))
- printk("STATUS, ");
+ if(HOSTDATA(shpnt)->debug & (debug_status|debug_intr|debug_phases))
+ printk("STATUS, ");
#endif
- SETPORT(SXFRCTL0, CH1);
+ SETPORT(SXFRCTL0, CH1);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENREQINIT|ENBUSFREE);
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENREQINIT|ENBUSFREE);
- if(TESTHI(SSTAT1, PHASEMIS))
- printk("aha152x: passing STATUS phase");
-
- CURRENT_SC->SCp.Status = GETPORT(SCSIBUS);
- make_acklow(shpnt);
- getphase(shpnt);
+ if(TESTHI(SSTAT1, PHASEMIS))
+ printk("aha152x: passing STATUS phase");
+
+ CURRENT_SC->SCp.Status = GETPORT(SCSIBUS);
+ make_acklow(shpnt);
+ getphase(shpnt);
#if defined(DEBUG_STATUS)
- if(HOSTDATA(shpnt)->debug & debug_status)
- {
- printk("inbound status ");
- print_status(CURRENT_SC->SCp.Status);
- printk(", ");
- }
+ if(HOSTDATA(shpnt)->debug & debug_status) {
+ printk("inbound status ");
+ print_status(CURRENT_SC->SCp.Status);
+ printk(", ");
+ }
#endif
- break;
+ break;
- case P_DATAI: /* DATA IN phase */
- {
- int fifodata, data_count, done;
+ case P_DATAI: /* DATA IN phase */
+ {
+ int fifodata, data_count, done;
#if defined(DEBUG_DATAI) || defined(DEBUG_INTR) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_datai|debug_intr|debug_phases))
- printk("DATA IN, ");
+ if(HOSTDATA(shpnt)->debug & (debug_datai|debug_intr|debug_phases))
+ printk("DATA IN, ");
#endif
#if 0
- if(GETPORT(FIFOSTAT) || GETPORT(SSTAT2) & (SFULL|SFCNT))
- printk("aha152x: P_DATAI: %d(%d) bytes left in FIFO, resetting\n",
- GETPORT(FIFOSTAT), GETPORT(SSTAT2) & (SFULL|SFCNT));
+ if(GETPORT(FIFOSTAT) || GETPORT(SSTAT2) & (SFULL|SFCNT))
+ printk("aha152x: P_DATAI: %d(%d) bytes left in FIFO, resetting\n",
+ GETPORT(FIFOSTAT), GETPORT(SSTAT2) & (SFULL|SFCNT));
#endif
- /* reset host fifo */
- SETPORT(DMACNTRL0, RSTFIFO);
- SETPORT(DMACNTRL0, RSTFIFO|ENDMA);
+ /* reset host fifo */
+ SETPORT(DMACNTRL0, RSTFIFO);
+ SETPORT(DMACNTRL0, RSTFIFO|ENDMA);
- SETPORT(SXFRCTL0, CH1|SCSIEN|DMAEN);
+ SETPORT(SXFRCTL0, CH1|SCSIEN|DMAEN);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENPHASEMIS|ENBUSFREE);
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENPHASEMIS|ENBUSFREE);
- /* done is set when the FIFO is empty after the target left DATA IN */
- done=0;
+ /* done is set when the FIFO is empty after the target left DATA IN */
+ done=0;
- /* while the target stays in DATA to transfer data */
- while (!done)
- {
+ /* while the target stays in DATA to transfer data */
+ while (!done) {
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- printk("expecting data, ");
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ printk("expecting data, ");
#endif
- /* wait for PHASEMIS or full FIFO */
- while(TESTLO (DMASTAT, DFIFOFULL|INTSTAT))
- barrier();
+ /* wait for PHASEMIS or full FIFO */
+ while(TESTLO(DMASTAT, DFIFOFULL|INTSTAT))
+ barrier();
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- printk("ok, ");
-#endif
-
- if(TESTHI(DMASTAT, DFIFOFULL))
- fifodata=GETPORT(FIFOSTAT);
- else
- {
- /* wait for SCSI fifo to get empty */
- while(TESTLO(SSTAT2, SEMPTY))
- barrier();
-
- /* rest of data in FIFO */
- fifodata=GETPORT(FIFOSTAT);
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ printk("ok, ");
+#endif
+
+ if(TESTHI(DMASTAT, DFIFOFULL))
+ fifodata=GETPORT(FIFOSTAT);
+ else {
+ /* wait for SCSI fifo to get empty */
+ while(TESTLO(SSTAT2, SEMPTY))
+ barrier();
+
+ /* rest of data in FIFO */
+ fifodata=GETPORT(FIFOSTAT);
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- printk("last transfer, ");
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ printk("last transfer, ");
#endif
- done=1;
- }
+ done=1;
+ }
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- printk("fifodata=%d, ", fifodata);
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ printk("fifodata=%d, ", fifodata);
#endif
- while(fifodata && CURRENT_SC->SCp.this_residual)
- {
- data_count=fifodata;
+ while(fifodata && CURRENT_SC->SCp.this_residual) {
+ data_count=fifodata;
- /* limit data transfer to size of first sg buffer */
- if (data_count > CURRENT_SC->SCp.this_residual)
- data_count = CURRENT_SC->SCp.this_residual;
+ /* limit data transfer to size of first sg buffer */
+ if(data_count > CURRENT_SC->SCp.this_residual)
+ data_count = CURRENT_SC->SCp.this_residual;
- fifodata -= data_count;
+ fifodata -= data_count;
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- printk("data_count=%d, ", data_count);
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ printk("data_count=%d, ", data_count);
#endif
- if(data_count&1)
- {
- /* get a single byte in byte mode */
- SETBITS(DMACNTRL0, _8BIT);
- *CURRENT_SC->SCp.ptr++ = GETPORT(DATAPORT);
- CURRENT_SC->SCp.this_residual--;
- }
- if(data_count>1)
- {
- CLRBITS(DMACNTRL0, _8BIT);
- data_count >>= 1; /* Number of words */
- insw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
+ if(data_count&1) {
+ /* get a single byte in byte mode */
+ SETBITS(DMACNTRL0, _8BIT);
+ *CURRENT_SC->SCp.ptr++ = GETPORT(DATAPORT);
+ CURRENT_SC->SCp.this_residual--;
+ }
+
+ if(data_count>1) {
+ CLRBITS(DMACNTRL0, _8BIT);
+ data_count >>= 1; /* Number of words */
+ insw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- /* show what comes with the last transfer */
- if(done)
- {
-#ifdef 0
- int i;
- unsigned char *data;
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ /* show what comes with the last transfer */
+ if(done) {
+#if 0
+ int i;
+ unsigned char *data;
#endif
- printk("data on last transfer (%d bytes) ",
- 2*data_count);
-#ifdef 0
- printk("data on last transfer (%d bytes: ",
- 2*data_count);
- data = (unsigned char *) CURRENT_SC->SCp.ptr;
- for(i=0; i<2*data_count; i++)
- printk("%2x ", *data++);
- printk("), ");
-#endif
- }
-#endif
- CURRENT_SC->SCp.ptr += 2 * data_count;
- CURRENT_SC->SCp.this_residual -= 2 * data_count;
- }
-
- /* if this buffer is full and there are more buffers left */
- if (!CURRENT_SC->SCp.this_residual &&
- CURRENT_SC->SCp.buffers_residual)
- {
- /* advance to next buffer */
- CURRENT_SC->SCp.buffers_residual--;
- CURRENT_SC->SCp.buffer++;
- CURRENT_SC->SCp.ptr =
- CURRENT_SC->SCp.buffer->address;
- CURRENT_SC->SCp.this_residual =
- CURRENT_SC->SCp.buffer->length;
- }
- }
+ printk("data on last transfer (%d bytes) ",
+ 2*data_count);
+#if 0
+ printk("data on last transfer (%d bytes: ",
+ 2*data_count);
+ data = (unsigned char *) CURRENT_SC->SCp.ptr;
+ for(i=0; i<2*data_count; i++)
+ printk("%2x ", *data++);
+ printk("), ");
+#endif
+ }
+#endif
+ CURRENT_SC->SCp.ptr += 2 * data_count;
+ CURRENT_SC->SCp.this_residual -= 2 * data_count;
+ }
+
+ /* if this buffer is full and there are more buffers left */
+ if(!CURRENT_SC->SCp.this_residual &&
+ CURRENT_SC->SCp.buffers_residual) {
+ /* advance to next buffer */
+ CURRENT_SC->SCp.buffers_residual--;
+ CURRENT_SC->SCp.buffer++;
+ CURRENT_SC->SCp.ptr = CURRENT_SC->SCp.buffer->address;
+ CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length;
+ }
+ }
- /*
- * Fifo should be empty
- */
- if(fifodata>0)
- {
- printk("aha152x: more data than expected (%d bytes)\n",
- GETPORT(FIFOSTAT));
- SETBITS(DMACNTRL0, _8BIT);
- printk("aha152x: data (");
- while(fifodata--)
- printk("%2x ", GETPORT(DATAPORT));
- printk(")\n");
- }
+ /*
+ * FIFO should be empty
+ */
+ if(fifodata>0) {
+ printk("aha152x: more data than expected (%d bytes)\n",
+ GETPORT(FIFOSTAT));
+ SETBITS(DMACNTRL0, _8BIT);
+ printk("aha152x: data (");
+ while(fifodata--)
+ printk("%2x ", GETPORT(DATAPORT));
+ printk(")\n");
+ }
#if defined(DEBUG_DATAI)
- if(HOSTDATA(shpnt)->debug & debug_datai)
- if(!fifodata)
- printk("fifo empty, ");
- else
- printk("something left in fifo, ");
+ if(HOSTDATA(shpnt)->debug & debug_datai)
+ if(!fifodata)
+ printk("fifo empty, ");
+ else
+ printk("something left in fifo, ");
#endif
- }
+ }
#if defined(DEBUG_DATAI)
- if((HOSTDATA(shpnt)->debug & debug_datai) &&
- (CURRENT_SC->SCp.buffers_residual ||
- CURRENT_SC->SCp.this_residual))
- printk("left buffers (buffers=%d, bytes=%d), ",
- CURRENT_SC->SCp.buffers_residual,
- CURRENT_SC->SCp.this_residual);
-#endif
- /* transfer can be considered ended, when SCSIEN reads back zero */
- CLRBITS(SXFRCTL0, SCSIEN|DMAEN);
- while(TESTHI(SXFRCTL0, SCSIEN))
- barrier();
- CLRBITS(DMACNTRL0, ENDMA);
+ if((HOSTDATA(shpnt)->debug & debug_datai) &&
+ (CURRENT_SC->SCp.buffers_residual ||
+ CURRENT_SC->SCp.this_residual))
+ printk("left buffers (buffers=%d, bytes=%d), ",
+ CURRENT_SC->SCp.buffers_residual, CURRENT_SC->SCp.this_residual);
+#endif
+ /* transfer can be considered ended, when SCSIEN reads back zero */
+ CLRBITS(SXFRCTL0, SCSIEN|DMAEN);
+ while(TESTHI(SXFRCTL0, SCSIEN))
+ barrier();
+ CLRBITS(DMACNTRL0, ENDMA);
#if defined(DEBUG_DATAI) || defined(DEBUG_INTR)
- if(HOSTDATA(shpnt)->debug & (debug_datai|debug_intr))
- printk("got %d bytes, ", GETSTCNT());
+ if(HOSTDATA(shpnt)->debug & (debug_datai|debug_intr))
+ printk("got %d bytes, ", GETSTCNT());
#endif
- CURRENT_SC->SCp.have_data_in++;
- }
- break;
+ CURRENT_SC->SCp.have_data_in++;
+ }
+ break;
- case P_DATAO: /* DATA OUT phase */
- {
- int data_count;
+ case P_DATAO: /* DATA OUT phase */
+ {
+ int data_count;
#if defined(DEBUG_DATAO) || defined(DEBUG_INTR) || defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & (debug_datao|debug_intr|debug_phases))
- printk("DATA OUT, ");
+ if(HOSTDATA(shpnt)->debug & (debug_datao|debug_intr|debug_phases))
+ printk("DATA OUT, ");
#endif
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("got data to send (bytes=%d, buffers=%d), ",
- CURRENT_SC->SCp.this_residual,
- CURRENT_SC->SCp.buffers_residual);
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("got data to send (bytes=%d, buffers=%d), ",
+ CURRENT_SC->SCp.this_residual,
+ CURRENT_SC->SCp.buffers_residual);
#endif
- if(GETPORT(FIFOSTAT) || GETPORT(SSTAT2) & (SFULL|SFCNT))
- {
- printk("%d(%d) left in FIFO, ",
- GETPORT(FIFOSTAT), GETPORT(SSTAT2) & (SFULL|SFCNT));
- aha152x_panic(shpnt, "FIFO should be empty");
- }
+ if(GETPORT(FIFOSTAT) || GETPORT(SSTAT2) & (SFULL|SFCNT)) {
+ printk("%d(%d) left in FIFO, ",
+ GETPORT(FIFOSTAT), GETPORT(SSTAT2) & (SFULL|SFCNT));
+ aha152x_panic(shpnt, "FIFO should be empty");
+ }
- SETPORT(SXFRCTL0, CH1|CLRSTCNT|CLRCH1);
- SETPORT(SXFRCTL0, SCSIEN|DMAEN|CH1);
+ SETPORT(SXFRCTL0, CH1|CLRSTCNT|CLRCH1);
+ SETPORT(SXFRCTL0, SCSIEN|DMAEN|CH1);
- SETPORT(DMACNTRL0, WRITE_READ|RSTFIFO);
- SETPORT(DMACNTRL0, ENDMA|WRITE_READ);
+ SETPORT(DMACNTRL0, WRITE_READ|RSTFIFO);
+ SETPORT(DMACNTRL0, ENDMA|WRITE_READ);
- SETPORT(SIMODE0, 0);
- SETPORT(SIMODE1, ENPHASEMIS|ENBUSFREE);
-
- /* while current buffer is not empty or
- there are more buffers to transfer */
- while(TESTLO(SSTAT1, PHASEMIS) &&
- (CURRENT_SC->SCp.this_residual ||
- CURRENT_SC->SCp.buffers_residual))
- {
+ SETPORT(SIMODE0, 0);
+ SETPORT(SIMODE1, ENPHASEMIS|ENBUSFREE);
+
+ /* while current buffer is not empty or
+ there are more buffers to transfer */
+ while(TESTLO(SSTAT1, PHASEMIS) &&
+ (CURRENT_SC->SCp.this_residual ||
+ CURRENT_SC->SCp.buffers_residual)) {
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("sending data (left: bytes=%d, buffers=%d), waiting, ",
- CURRENT_SC->SCp.this_residual,
- CURRENT_SC->SCp.buffers_residual);
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("sending data (left: bytes=%d, buffers=%d), waiting, ",
+ CURRENT_SC->SCp.this_residual,
+ CURRENT_SC->SCp.buffers_residual);
#endif
- /* transfer rest of buffer, but max. 128 byte */
- data_count =
- CURRENT_SC->SCp.this_residual > 128 ?
- 128 : CURRENT_SC->SCp.this_residual ;
+ /* transfer rest of buffer, but max. 128 byte */
+ data_count =
+ CURRENT_SC->SCp.this_residual > 128 ?
+ 128 : CURRENT_SC->SCp.this_residual ;
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("data_count=%d, ", data_count);
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("data_count=%d, ", data_count);
#endif
- if(data_count&1)
- {
- /* put a single byte in byte mode */
- SETBITS(DMACNTRL0, _8BIT);
- SETPORT(DATAPORT, *CURRENT_SC->SCp.ptr++);
- CURRENT_SC->SCp.this_residual--;
- }
- if(data_count>1)
- {
- CLRBITS(DMACNTRL0, _8BIT);
- data_count >>= 1; /* number of words */
- outsw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
- CURRENT_SC->SCp.ptr += 2 * data_count;
- CURRENT_SC->SCp.this_residual -= 2 * data_count;
- }
-
- /* wait for FIFO to get empty */
- while(TESTLO(DMASTAT, DFIFOEMP|INTSTAT))
- barrier();
+ if(data_count&1) {
+ /* put a single byte in byte mode */
+ SETBITS(DMACNTRL0, _8BIT);
+ SETPORT(DATAPORT, *CURRENT_SC->SCp.ptr++);
+ CURRENT_SC->SCp.this_residual--;
+ }
+ if(data_count>1) {
+ CLRBITS(DMACNTRL0, _8BIT);
+ data_count >>= 1; /* number of words */
+ outsw(DATAPORT, CURRENT_SC->SCp.ptr, data_count);
+ CURRENT_SC->SCp.ptr += 2 * data_count;
+ CURRENT_SC->SCp.this_residual -= 2 * data_count;
+ }
+
+ /* wait for FIFO to get empty */
+ while(TESTLO(DMASTAT, DFIFOEMP|INTSTAT))
+ barrier();
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("fifo (%d bytes), transfered (%d bytes), ",
- GETPORT(FIFOSTAT), GETSTCNT());
-#endif
-
- /* if this buffer is empty and there are more buffers left */
- if (TESTLO(SSTAT1, PHASEMIS) &&
- !CURRENT_SC->SCp.this_residual &&
- CURRENT_SC->SCp.buffers_residual)
- {
- /* advance to next buffer */
- CURRENT_SC->SCp.buffers_residual--;
- CURRENT_SC->SCp.buffer++;
- CURRENT_SC->SCp.ptr =
- CURRENT_SC->SCp.buffer->address;
- CURRENT_SC->SCp.this_residual =
- CURRENT_SC->SCp.buffer->length;
- }
- }
-
- if (CURRENT_SC->SCp.this_residual || CURRENT_SC->SCp.buffers_residual)
- {
- /* target leaves DATA OUT for an other phase
- (perhaps disconnect) */
-
- /* data in fifos has to be resend */
- data_count = GETPORT(SSTAT2) & (SFULL|SFCNT);
-
- data_count += GETPORT(FIFOSTAT) ;
- CURRENT_SC->SCp.ptr -= data_count;
- CURRENT_SC->SCp.this_residual += data_count;
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("fifo (%d bytes), transfered (%d bytes), ",
+ GETPORT(FIFOSTAT), GETSTCNT());
+#endif
+
+ /* if this buffer is empty and there are more buffers left */
+ if(TESTLO(SSTAT1, PHASEMIS) &&
+ !CURRENT_SC->SCp.this_residual &&
+ CURRENT_SC->SCp.buffers_residual) {
+ /* advance to next buffer */
+ CURRENT_SC->SCp.buffers_residual--;
+ CURRENT_SC->SCp.buffer++;
+ CURRENT_SC->SCp.ptr = CURRENT_SC->SCp.buffer->address;
+ CURRENT_SC->SCp.this_residual = CURRENT_SC->SCp.buffer->length;
+ }
+ }
+
+ if(CURRENT_SC->SCp.this_residual || CURRENT_SC->SCp.buffers_residual) {
+ /* target leaves DATA OUT for an other phase (perhaps disconnect) */
+
+ /* data in fifos has to be resend */
+ data_count = GETPORT(SSTAT2) & (SFULL|SFCNT);
+
+ data_count += GETPORT(FIFOSTAT) ;
+ CURRENT_SC->SCp.ptr -= data_count;
+ CURRENT_SC->SCp.this_residual += data_count;
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("left data (bytes=%d, buffers=%d), fifos (bytes=%d), "
- "transfer incomplete, resetting fifo, ",
- CURRENT_SC->SCp.this_residual,
- CURRENT_SC->SCp.buffers_residual,
- data_count);
-#endif
- SETPORT(DMACNTRL0, WRITE_READ|RSTFIFO);
- CLRBITS(SXFRCTL0, SCSIEN|DMAEN);
- CLRBITS(DMACNTRL0, ENDMA);
- }
- else
- {
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("left data (bytes=%d, buffers=%d), fifos (bytes=%d), "
+ "transfer incomplete, resetting fifo, ",
+ CURRENT_SC->SCp.this_residual,
+ CURRENT_SC->SCp.buffers_residual,
+ data_count);
+#endif
+ SETPORT(DMACNTRL0, WRITE_READ|RSTFIFO);
+ CLRBITS(SXFRCTL0, SCSIEN|DMAEN);
+ CLRBITS(DMACNTRL0, ENDMA);
+ } else {
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("waiting for SCSI fifo to get empty, ");
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("waiting for SCSI fifo to get empty, ");
#endif
- /* wait for SCSI fifo to get empty */
- while(TESTLO(SSTAT2, SEMPTY))
- barrier();
+ /* wait for SCSI fifo to get empty */
+ while(TESTLO(SSTAT2, SEMPTY))
+ barrier();
#if defined(DEBUG_DATAO)
- if(HOSTDATA(shpnt)->debug & debug_datao)
- printk("ok, left data (bytes=%d, buffers=%d) ",
- CURRENT_SC->SCp.this_residual,
- CURRENT_SC->SCp.buffers_residual);
+ if(HOSTDATA(shpnt)->debug & debug_datao)
+ printk("ok, left data (bytes=%d, buffers=%d) ",
+ CURRENT_SC->SCp.this_residual,
+ CURRENT_SC->SCp.buffers_residual);
#endif
- CLRBITS(SXFRCTL0, SCSIEN|DMAEN);
+ CLRBITS(SXFRCTL0, SCSIEN|DMAEN);
- /* transfer can be considered ended, when SCSIEN reads back zero */
- while(TESTHI(SXFRCTL0, SCSIEN))
- barrier();
+ /* transfer can be considered ended, when SCSIEN reads back zero */
+ while(TESTHI(SXFRCTL0, SCSIEN))
+ barrier();
- CLRBITS(DMACNTRL0, ENDMA);
- }
+ CLRBITS(DMACNTRL0, ENDMA);
+ }
#if defined(DEBUG_DATAO) || defined(DEBUG_INTR)
- if(HOSTDATA(shpnt)->debug & (debug_datao|debug_intr))
- printk("sent %d data bytes, ", GETSTCNT());
+ if(HOSTDATA(shpnt)->debug & (debug_datao|debug_intr))
+ printk("sent %d data bytes, ", GETSTCNT());
#endif
- }
- break;
+ }
+ break;
- case P_BUSFREE: /* BUSFREE */
+ case P_BUSFREE: /* BUSFREE */
#if defined(DEBUG_RACE)
- leave_driver("(BUSFREE) intr");
+ leave_driver("(BUSFREE) intr");
#endif
#if defined(DEBUG_PHASES)
- if(HOSTDATA(shpnt)->debug & debug_phases)
- printk("unexpected BUS FREE, ");
+ if(HOSTDATA(shpnt)->debug & debug_phases)
+ printk("unexpected BUS FREE, ");
#endif
- CURRENT_SC->SCp.phase &= ~(P_MASK<<16);
+ CURRENT_SC->SCp.phase &= ~(P_MASK<<16);
- aha152x_done(shpnt, DID_ERROR << 16); /* Don't know any better */
- return;
- break;
+ aha152x_done(shpnt, DID_ERROR << 16); /* Don't know any better */
+ return;
+ break;
- case P_PARITY: /* parity error in DATA phase */
+ case P_PARITY: /* parity error in DATA phase */
#if defined(DEBUG_RACE)
- leave_driver("(DID_PARITY) intr");
+ leave_driver("(DID_PARITY) intr");
#endif
- printk("PARITY error in DATA phase, ");
+ printk("PARITY error in DATA phase, ");
- CURRENT_SC->SCp.phase &= ~(P_MASK<<16);
+ CURRENT_SC->SCp.phase &= ~(P_MASK<<16);
- SETBITS(DMACNTRL0, INTEN);
- aha152x_done(shpnt, DID_PARITY << 16);
- return;
- break;
+ SETBITS(DMACNTRL0, INTEN);
+ aha152x_done(shpnt, DID_PARITY << 16);
+ return;
+ break;
- default:
- printk("aha152x: unexpected phase\n");
- break;
- }
+ default:
+ printk("aha152x: unexpected phase\n");
+ break;
+ }
- if(done)
- {
+ if(done) {
#if defined(DEBUG_INTR)
- if(HOSTDATA(shpnt)->debug & debug_intr)
- printk("command done.\n");
+ if(HOSTDATA(shpnt)->debug & debug_intr)
+ printk("command done.\n");
#endif
#if defined(DEBUG_RACE)
- leave_driver("(done) intr");
+ leave_driver("(done) intr");
#endif
- SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
- SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
- SETPORT(SCSISEQ, DISCONNECTED_SC ? ENRESELI : 0);
-
- SETBITS(DMACNTRL0, INTEN);
+ SETPORT(SIMODE0, DISCONNECTED_SC ? ENSELDI : 0);
+ SETPORT(SIMODE1, ISSUE_SC ? ENBUSFREE : 0);
+ SETPORT(SCSISEQ, DISCONNECTED_SC ? ENRESELI : 0);
+
+ SETBITS(DMACNTRL0, INTEN);
- aha152x_done(shpnt,
- (CURRENT_SC->SCp.Status & 0xff)
- | ((CURRENT_SC->SCp.Message & 0xff) << 8)
- | (DID_OK << 16));
+ aha152x_done(shpnt,
+ (CURRENT_SC->SCp.Status & 0xff)
+ | ((CURRENT_SC->SCp.Message & 0xff) << 8)
+ | (DID_OK << 16));
#if defined(DEBUG_RACE)
- printk("done returned (DID_OK: Status=%x; Message=%x).\n",
- CURRENT_SC->SCp.Status, CURRENT_SC->SCp.Message);
+ printk("done returned (DID_OK: Status=%x; Message=%x).\n",
+ CURRENT_SC->SCp.Status, CURRENT_SC->SCp.Message);
#endif
- return;
- }
+ return;
+ }
if(CURRENT_SC)
- CURRENT_SC->SCp.phase |= 1<<16 ;
+ CURRENT_SC->SCp.phase |= 1<<16;
SETPORT(SIMODE0, 0);
SETPORT(SIMODE1, ENPHASEMIS|ENBUSFREE);
#ifdef SKIP_PORTS
if(HOSTDATA(shpnt)->debug & debug_skipports)
- return;
+ return;
#endif
printk("\n%s: ", CURRENT_SC ? "on bus" : "waiting");
printk(" SCSISIG (");
s=GETPORT(SCSISIG);
- switch(s & P_MASK)
- {
- case P_DATAO:
- printk("DATA OUT");
- break;
- case P_DATAI:
- printk("DATA IN");
- break;
- case P_CMD:
- printk("COMMAND");
- break;
- case P_STATUS:
- printk("STATUS");
- break;
- case P_MSGO:
- printk("MESSAGE OUT");
- break;
- case P_MSGI:
- printk("MESSAGE IN");
- break;
- default:
- printk("*illegal*");
- break;
- }
+ switch(s & P_MASK) {
+ case P_DATAO:
+ printk("DATA OUT");
+ break;
+ case P_DATAI:
+ printk("DATA IN");
+ break;
+ case P_CMD:
+ printk("COMMAND");
+ break;
+ case P_STATUS:
+ printk("STATUS");
+ break;
+ case P_MSGO:
+ printk("MESSAGE OUT");
+ break;
+ case P_MSGI:
+ printk("MESSAGE IN");
+ break;
+ default:
+ printk("*illegal*");
+ break;
+ }
printk("); ");
if(s & SWINT) printk("SWINT ");
printk("); ");
-
-#if 0
- printk("DMACNTRL1 (");
-
- s=GETPORT(DMACNTRL1);
- if(s & PWRDWN) printk("PWRDN ");
- printk("); ");
-
-
- printk("STK (%d); ", s & 0xf);
-
-#endif
-
printk("DMASTAT (");
s=GETPORT(DMASTAT);
if(s & ATDONE) printk("ATDONE ");
save_flags(flags);
cli();
printk("aha152x: entering %s() (%x)\n", func, jiffies);
- if(in_driver)
- {
- printk("%s should leave first.\n", should_leave);
- panic("aha152x: already in driver\n");
- }
+ if(in_driver) {
+ printk("%s should leave first.\n", should_leave);
+ panic("aha152x: already in driver\n");
+ }
in_driver++;
should_leave=func;
save_flags(flags);
cli();
printk("\naha152x: leaving %s() (%x)\n", func, jiffies);
- if(!in_driver)
- {
- printk("aha152x: %s already left.\n", should_leave);
- panic("aha152x: %s already left driver.\n");
- }
+ if(!in_driver) {
+ printk("aha152x: %s already left.\n", should_leave);
+ panic("aha152x: %s already left driver.\n");
+ }
in_driver--;
should_leave=func;
static void show_command(Scsi_Cmnd *ptr)
{
printk("0x%08x: target=%d; lun=%d; cmnd=(",
- (unsigned int) ptr, ptr->target, ptr->lun);
+ (unsigned int) ptr, ptr->target, ptr->lun);
print_command(ptr->cmnd);
printk("); residual=%d; buffers=%d; phase |",
- ptr->SCp.this_residual, ptr->SCp.buffers_residual);
+ ptr->SCp.this_residual, ptr->SCp.buffers_residual);
if(ptr->SCp.phase & not_issued ) printk("not issued|");
if(ptr->SCp.phase & in_selection) printk("in selection|");
if(ptr->SCp.phase & disconnected) printk("disconnected|");
if(ptr->SCp.phase & aborted ) printk("aborted|");
if(ptr->SCp.phase & sent_ident ) printk("send_ident|");
- if(ptr->SCp.phase & in_other)
- {
- printk("; in other(");
- switch((ptr->SCp.phase >> 16) & P_MASK)
- {
- case P_DATAO:
- printk("DATA OUT");
- break;
- case P_DATAI:
- printk("DATA IN");
- break;
- case P_CMD:
- printk("COMMAND");
- break;
- case P_STATUS:
- printk("STATUS");
- break;
- case P_MSGO:
- printk("MESSAGE OUT");
- break;
- case P_MSGI:
- printk("MESSAGE IN");
- break;
- default:
- printk("*illegal*");
- break;
- }
- printk(")");
- if(ptr->SCp.phase & (1<<16))
- printk("; phaseend");
+ if(ptr->SCp.phase & in_other) {
+ printk("; in other(");
+ switch((ptr->SCp.phase >> 16) & P_MASK) {
+ case P_DATAO:
+ printk("DATA OUT");
+ break;
+ case P_DATAI:
+ printk("DATA IN");
+ break;
+ case P_CMD:
+ printk("COMMAND");
+ break;
+ case P_STATUS:
+ printk("STATUS");
+ break;
+ case P_MSGO:
+ printk("MESSAGE OUT");
+ break;
+ case P_MSGI:
+ printk("MESSAGE IN");
+ break;
+ default:
+ printk("*illegal*");
+ break;
}
+ printk(")");
+ if(ptr->SCp.phase & (1<<16))
+ printk("; phaseend");
+ }
printk("; next=0x%08x\n", (unsigned int) ptr->host_scribble);
}
if(ptr->SCp.phase & disconnected) SPRINTF("disconnected|");
if(ptr->SCp.phase & aborted ) SPRINTF("aborted|");
if(ptr->SCp.phase & sent_ident ) SPRINTF("send_ident|");
- if(ptr->SCp.phase & in_other)
- {
- SPRINTF("; in other(");
- switch((ptr->SCp.phase >> 16) & P_MASK)
- {
- case P_DATAO:
- SPRINTF("DATA OUT");
- break;
- case P_DATAI:
- SPRINTF("DATA IN");
- break;
- case P_CMD:
- SPRINTF("COMMAND");
- break;
- case P_STATUS:
- SPRINTF("STATUS");
- break;
- case P_MSGO:
- SPRINTF("MESSAGE OUT");
- break;
- case P_MSGI:
- SPRINTF("MESSAGE IN");
- break;
- default:
- SPRINTF("*illegal*");
- break;
- }
- SPRINTF(")");
- if(ptr->SCp.phase & (1<<16))
- SPRINTF("; phaseend");
+ if(ptr->SCp.phase & in_other) {
+ SPRINTF("; in other(");
+ switch((ptr->SCp.phase >> 16) & P_MASK) {
+ case P_DATAO:
+ SPRINTF("DATA OUT");
+ break;
+ case P_DATAI:
+ SPRINTF("DATA IN");
+ break;
+ case P_CMD:
+ SPRINTF("COMMAND");
+ break;
+ case P_STATUS:
+ SPRINTF("STATUS");
+ break;
+ case P_MSGO:
+ SPRINTF("MESSAGE OUT");
+ break;
+ case P_MSGI:
+ SPRINTF("MESSAGE IN");
+ break;
+ default:
+ SPRINTF("*illegal*");
+ break;
}
+ SPRINTF(")");
+ if(ptr->SCp.phase & (1<<16))
+ SPRINTF("; phaseend");
+ }
SPRINTF("; next=0x%08x\n", (unsigned int) ptr->host_scribble);
return(pos-start);
}
+static int get_ports(struct Scsi_Host *shpnt, char *pos)
+{
+ char *start = pos;
+ int s;
+
+#ifdef SKIP_PORTS
+ if(HOSTDATA(shpnt)->debug & debug_skipports)
+ return;
+#endif
+
+ SPRINTF("\n%s: ", CURRENT_SC ? "on bus" : "waiting");
+
+ s=GETPORT(SCSISEQ);
+ SPRINTF("SCSISEQ (");
+ if(s & TEMODEO) SPRINTF("TARGET MODE ");
+ if(s & ENSELO) SPRINTF("SELO ");
+ if(s & ENSELI) SPRINTF("SELI ");
+ if(s & ENRESELI) SPRINTF("RESELI ");
+ if(s & ENAUTOATNO) SPRINTF("AUTOATNO ");
+ if(s & ENAUTOATNI) SPRINTF("AUTOATNI ");
+ if(s & ENAUTOATNP) SPRINTF("AUTOATNP ");
+ if(s & SCSIRSTO) SPRINTF("SCSIRSTO ");
+ SPRINTF(");");
+
+ SPRINTF(" SCSISIG (");
+ s=GETPORT(SCSISIG);
+ switch(s & P_MASK) {
+ case P_DATAO:
+ SPRINTF("DATA OUT");
+ break;
+ case P_DATAI:
+ SPRINTF("DATA IN");
+ break;
+ case P_CMD:
+ SPRINTF("COMMAND");
+ break;
+ case P_STATUS:
+ SPRINTF("STATUS");
+ break;
+ case P_MSGO:
+ SPRINTF("MESSAGE OUT");
+ break;
+ case P_MSGI:
+ SPRINTF("MESSAGE IN");
+ break;
+ default:
+ SPRINTF("*illegal*");
+ break;
+ }
+
+ SPRINTF("); ");
+
+ SPRINTF("INTSTAT (%s); ", TESTHI(DMASTAT, INTSTAT) ? "hi" : "lo");
+
+ SPRINTF("SSTAT (");
+ s=GETPORT(SSTAT0);
+ if(s & TARGET) SPRINTF("TARGET ");
+ if(s & SELDO) SPRINTF("SELDO ");
+ if(s & SELDI) SPRINTF("SELDI ");
+ if(s & SELINGO) SPRINTF("SELINGO ");
+ if(s & SWRAP) SPRINTF("SWRAP ");
+ if(s & SDONE) SPRINTF("SDONE ");
+ if(s & SPIORDY) SPRINTF("SPIORDY ");
+ if(s & DMADONE) SPRINTF("DMADONE ");
+
+ s=GETPORT(SSTAT1);
+ if(s & SELTO) SPRINTF("SELTO ");
+ if(s & ATNTARG) SPRINTF("ATNTARG ");
+ if(s & SCSIRSTI) SPRINTF("SCSIRSTI ");
+ if(s & PHASEMIS) SPRINTF("PHASEMIS ");
+ if(s & BUSFREE) SPRINTF("BUSFREE ");
+ if(s & SCSIPERR) SPRINTF("SCSIPERR ");
+ if(s & PHASECHG) SPRINTF("PHASECHG ");
+ if(s & REQINIT) SPRINTF("REQINIT ");
+ SPRINTF("); ");
+
+
+ SPRINTF("SSTAT (");
+
+ s=GETPORT(SSTAT0) & GETPORT(SIMODE0);
+
+ if(s & TARGET) SPRINTF("TARGET ");
+ if(s & SELDO) SPRINTF("SELDO ");
+ if(s & SELDI) SPRINTF("SELDI ");
+ if(s & SELINGO) SPRINTF("SELINGO ");
+ if(s & SWRAP) SPRINTF("SWRAP ");
+ if(s & SDONE) SPRINTF("SDONE ");
+ if(s & SPIORDY) SPRINTF("SPIORDY ");
+ if(s & DMADONE) SPRINTF("DMADONE ");
+
+ s=GETPORT(SSTAT1) & GETPORT(SIMODE1);
+
+ if(s & SELTO) SPRINTF("SELTO ");
+ if(s & ATNTARG) SPRINTF("ATNTARG ");
+ if(s & SCSIRSTI) SPRINTF("SCSIRSTI ");
+ if(s & PHASEMIS) SPRINTF("PHASEMIS ");
+ if(s & BUSFREE) SPRINTF("BUSFREE ");
+ if(s & SCSIPERR) SPRINTF("SCSIPERR ");
+ if(s & PHASECHG) SPRINTF("PHASECHG ");
+ if(s & REQINIT) SPRINTF("REQINIT ");
+ SPRINTF("); ");
+
+ SPRINTF("SXFRCTL0 (");
+
+ s=GETPORT(SXFRCTL0);
+ if(s & SCSIEN) SPRINTF("SCSIEN ");
+ if(s & DMAEN) SPRINTF("DMAEN ");
+ if(s & CH1) SPRINTF("CH1 ");
+ if(s & CLRSTCNT) SPRINTF("CLRSTCNT ");
+ if(s & SPIOEN) SPRINTF("SPIOEN ");
+ if(s & CLRCH1) SPRINTF("CLRCH1 ");
+ SPRINTF("); ");
+
+ SPRINTF("SIGNAL (");
+
+ s=GETPORT(SCSISIG);
+ if(s & ATNI) SPRINTF("ATNI ");
+ if(s & SELI) SPRINTF("SELI ");
+ if(s & BSYI) SPRINTF("BSYI ");
+ if(s & REQI) SPRINTF("REQI ");
+ if(s & ACKI) SPRINTF("ACKI ");
+ SPRINTF("); ");
+
+ SPRINTF("SELID (%02x), ", GETPORT(SELID));
+
+ SPRINTF("SSTAT2 (");
+
+ s=GETPORT(SSTAT2);
+ if(s & SOFFSET) SPRINTF("SOFFSET ");
+ if(s & SEMPTY) SPRINTF("SEMPTY ");
+ if(s & SFULL) SPRINTF("SFULL ");
+ SPRINTF("); SFCNT (%d); ", s & (SFULL|SFCNT));
+
+ s=GETPORT(SSTAT3);
+ SPRINTF("SCSICNT (%d), OFFCNT(%d), ", (s&0xf0)>>4, s&0x0f);
+
+ SPRINTF("SSTAT4 (");
+ s=GETPORT(SSTAT4);
+ if(s & SYNCERR) SPRINTF("SYNCERR ");
+ if(s & FWERR) SPRINTF("FWERR ");
+ if(s & FRERR) SPRINTF("FRERR ");
+ SPRINTF("); ");
+
+ SPRINTF("DMACNTRL0 (");
+ s=GETPORT(DMACNTRL0);
+ SPRINTF("%s ", s & _8BIT ? "8BIT" : "16BIT");
+ SPRINTF("%s ", s & DMA ? "DMA" : "PIO" );
+ SPRINTF("%s ", s & WRITE_READ ? "WRITE" : "READ" );
+ if(s & ENDMA) SPRINTF("ENDMA ");
+ if(s & INTEN) SPRINTF("INTEN ");
+ if(s & RSTFIFO) SPRINTF("RSTFIFO ");
+ if(s & SWINT) SPRINTF("SWINT ");
+ SPRINTF("); ");
+
+ SPRINTF("DMASTAT (");
+ s=GETPORT(DMASTAT);
+ if(s & ATDONE) SPRINTF("ATDONE ");
+ if(s & WORDRDY) SPRINTF("WORDRDY ");
+ if(s & DFIFOFULL) SPRINTF("DFIFOFULL ");
+ if(s & DFIFOEMP) SPRINTF("DFIFOEMP ");
+ SPRINTF(")\n\n");
+
+ SPRINTF("enabled interrupts (");
+
+ s=GETPORT(SIMODE0);
+ if(s & ENSELDO) SPRINTF("ENSELDO ");
+ if(s & ENSELDI) SPRINTF("ENSELDI ");
+ if(s & ENSELINGO) SPRINTF("ENSELINGO ");
+ if(s & ENSWRAP) SPRINTF("ENSWRAP ");
+ if(s & ENSDONE) SPRINTF("ENSDONE ");
+ if(s & ENSPIORDY) SPRINTF("ENSPIORDY ");
+ if(s & ENDMADONE) SPRINTF("ENDMADONE ");
+
+ s=GETPORT(SIMODE1);
+ if(s & ENSELTIMO) SPRINTF("ENSELTIMO ");
+ if(s & ENATNTARG) SPRINTF("ENATNTARG ");
+ if(s & ENPHASEMIS) SPRINTF("ENPHASEMIS ");
+ if(s & ENBUSFREE) SPRINTF("ENBUSFREE ");
+ if(s & ENSCSIPERR) SPRINTF("ENSCSIPERR ");
+ if(s & ENPHASECHG) SPRINTF("ENPHASECHG ");
+ if(s & ENREQINIT) SPRINTF("ENREQINIT ");
+ SPRINTF(")\n");
+
+ return (pos-start);
+}
+
#undef SPRINTF
#define SPRINTF(args...) do { if(pos < buffer + length) pos += sprintf(pos, ## args); } while(0)
-int aha152x_proc_info(
- char *buffer,
- char **start,
- off_t offset,
- int length,
- int hostno,
- int inout
- )
+int aha152x_proc_info(char *buffer, char **start,
+ off_t offset, int length, int hostno, int inout)
{
int i;
char *pos = buffer;
- Scsi_Device *scd;
struct Scsi_Host *shpnt;
unsigned long flags;
Scsi_Cmnd *ptr;
save_flags(flags);
cli();
- SPRINTF("vital data:\nioports 0x%04x to 0x%04x\n",
+ SPRINTF("ioports 0x%04x to 0x%04x\n",
shpnt->io_port, shpnt->io_port+shpnt->n_io_port-1);
SPRINTF("interrupt 0x%02x\n", shpnt->irq);
SPRINTF("disconnection/reconnection %s\n",
HOSTDATA(shpnt)->parity ? "enabled" : "disabled");
SPRINTF("synchronous transfers %s\n",
HOSTDATA(shpnt)->synchronous ? "enabled" : "disabled");
- SPRINTF("current queued %d commands\n",
- HOSTDATA(shpnt)->commands);
+ SPRINTF("%d commands currently queued\n", HOSTDATA(shpnt)->commands);
+ if(HOSTDATA(shpnt)->synchronous) {
#if 0
- SPRINTF("synchronously operating targets (tick=%ld ns):\n",
- 250000000/loops_per_sec);
- for(i=0; i<8; i++)
- if(HOSTDATA(shpnt)->syncrate[i]&0x7f)
- SPRINTF("target %d: period %dT/%ldns; req/ack offset %d\n",
- i,
- (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2),
- (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2)*
- 250000000/loops_per_sec,
- HOSTDATA(shpnt)->syncrate[i]&0x0f);
+ SPRINTF("synchronously operating targets (tick=%ld ns):\n",
+ 250000000/loops_per_sec);
+ for(i=0; i<8; i++)
+ if(HOSTDATA(shpnt)->syncrate[i]&0x7f)
+ SPRINTF("target %d: period %dT/%ldns; req/ack offset %d\n",
+ i,
+ (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2),
+ (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2)*
+ 250000000/loops_per_sec,
+ HOSTDATA(shpnt)->syncrate[i]&0x0f);
#else
- SPRINTF("synchronously operating targets (tick=50 ns):\n");
- for(i=0; i<8; i++)
- if(HOSTDATA(shpnt)->syncrate[i]&0x7f)
- SPRINTF("target %d: period %dT/%dns; req/ack offset %d\n",
- i,
- (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2),
- (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2)*50,
- HOSTDATA(shpnt)->syncrate[i]&0x0f);
+ SPRINTF("synchronously operating targets (tick=50 ns):\n");
+ for(i=0; i<8; i++)
+ if(HOSTDATA(shpnt)->syncrate[i]&0x7f)
+ SPRINTF("target %d: period %dT/%dns; req/ack offset %d\n",
+ i,
+ (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2),
+ (((HOSTDATA(shpnt)->syncrate[i]&0x70)>>4)+2)*50,
+ HOSTDATA(shpnt)->syncrate[i]&0x0f);
#endif
+ }
#ifdef DEBUG_AHA152X
#define PDEBUG(flags,txt) if(HOSTDATA(shpnt)->debug & flags) SPRINTF("(%s) ", txt);
- SPRINTF("enabled debugging options:\n");
+ SPRINTF("enabled debugging options: ");
PDEBUG(debug_skipports, "skip ports");
PDEBUG(debug_queue, "queue");
SPRINTF("\n");
#endif
- SPRINTF("queue status:\nnot yet issued commands:\n");
- for(ptr=ISSUE_SC; ptr; ptr = (Scsi_Cmnd *) ptr->host_scribble)
- pos += get_command(pos, ptr);
+ SPRINTF("\nqueue status:\n");
+ if(ISSUE_SC) {
+ SPRINTF("not yet issued commands:\n");
+ for(ptr=ISSUE_SC; ptr; ptr = (Scsi_Cmnd *) ptr->host_scribble)
+ pos += get_command(pos, ptr);
+ } else
+ SPRINTF("no not yet issued commands\n");
- if(CURRENT_SC)
- {
- SPRINTF("current command:\n");
- pos += get_command(pos, CURRENT_SC);
- }
+ if(CURRENT_SC) {
+ SPRINTF("current command:\n");
+ pos += get_command(pos, CURRENT_SC);
+ } else
+ SPRINTF("no current command\n");
- SPRINTF("disconnected commands:\n");
- for(ptr=DISCONNECTED_SC; ptr; ptr = (Scsi_Cmnd *) ptr->host_scribble)
- pos += get_command(pos, ptr);
+ if(DISCONNECTED_SC) {
+ SPRINTF("disconnected commands:\n");
+ for(ptr=DISCONNECTED_SC; ptr; ptr = (Scsi_Cmnd *) ptr->host_scribble)
+ pos += get_command(pos, ptr);
+ } else
+ SPRINTF("no disconnected commands\n");
restore_flags(flags);
-
- scd = scsi_devices;
-
- SPRINTF("Attached devices: %s\n", (scd)?"":"none");
-
- while (scd) {
- if (scd->host == shpnt) {
-
- SPRINTF("Channel: %02d Id: %02d Lun: %02d\n Vendor: ",
- scd->channel, scd->id, scd->lun);
- for (i=0; i<8; i++) {
- if (scd->vendor[i] >= 0x20)
- SPRINTF("%c", scd->vendor[i]);
- else
- SPRINTF(" ");
- }
- SPRINTF(" Model: ");
- for (i = 0; i < 16; i++) {
- if (scd->model[i] >= 0x20)
- SPRINTF("%c", scd->model[i]);
- else
- SPRINTF(" ");
- }
- SPRINTF(" Rev: ");
- for (i = 0; i < 4; i++) {
- if (scd->rev[i] >= 0x20)
- SPRINTF("%c", scd->rev[i]);
- else
- SPRINTF(" ");
- }
- SPRINTF("\n");
-
- SPRINTF(" Type: %d ", scd->type);
- SPRINTF(" ANSI SCSI revision: %02x",
- (scd->scsi_level < 3)?1:2);
-
- if (scd->scsi_level == 2)
- SPRINTF(" CCS\n");
- else
- SPRINTF("\n");
- }
- scd = scd->next;
- }
+
+ pos += get_ports(shpnt, pos);
*start=buffer+offset;
if (pos - buffer < offset)
projects / history.git / commitdiff