#include <linux/slab.h>
#include <asm/param.h> /* for timeouts in units of HZ */
+#include <scsi/scsi_dbg.h>
#include "sym_glue.h"
#include "sym_nvram.h"
static void sym_print_msg(struct sym_ccb *cp, char *label, u_char *msg)
{
- if (label)
- sym_print_addr(cp->cmd, "%s: ", label);
- else
- sym_print_addr(cp->cmd, "");
+ sym_print_addr(cp->cmd, "%s: ", label);
spi_print_msg(msg);
printf("\n");
* calculations more simple.
*/
#define _5M 5000000
-static const u32 div_10M[] = {2*_5M, 3*_5M, 4*_5M, 6*_5M, 8*_5M, 12*_5M, 16*_5M};
+static u32 div_10M[] = {2*_5M, 3*_5M, 4*_5M, 6*_5M, 8*_5M, 12*_5M, 16*_5M};
/*
* Get clock factor and sync divisor for a given
np->sv_ctest5 = INB(np, nc_ctest5) & 0x24;
}
-/*
- * Set SCSI BUS mode.
- * - LVD capable chips (895/895A/896/1010) report the current BUS mode
- * through the STEST4 IO register.
- * - For previous generation chips (825/825A/875), the user has to tell us
- * how to check against HVD, since a 100% safe algorithm is not possible.
- */
-static void sym_set_bus_mode(struct sym_hcb *np, struct sym_nvram *nvram)
-{
- if (np->scsi_mode)
- return;
-
- np->scsi_mode = SMODE_SE;
- if (np->features & (FE_ULTRA2|FE_ULTRA3))
- np->scsi_mode = (np->sv_stest4 & SMODE);
- else if (np->features & FE_DIFF) {
- if (SYM_SETUP_SCSI_DIFF == 1) {
- if (np->sv_scntl3) {
- if (np->sv_stest2 & 0x20)
- np->scsi_mode = SMODE_HVD;
- } else if (nvram->type == SYM_SYMBIOS_NVRAM) {
- if (!(INB(np, nc_gpreg) & 0x08))
- np->scsi_mode = SMODE_HVD;
- }
- } else if (SYM_SETUP_SCSI_DIFF == 2)
- np->scsi_mode = SMODE_HVD;
- }
- if (np->scsi_mode == SMODE_HVD)
- np->rv_stest2 |= 0x20;
-}
-
/*
* Prepare io register values used by sym_start_up()
* according to selected and supported features.
u32 period;
int i;
- np->maxwide = (np->features & FE_WIDE) ? 1 : 0;
+ /*
+ * Wide ?
+ */
+ np->maxwide = (np->features & FE_WIDE)? 1 : 0;
/*
* Guess the frequency of the chip's clock.
* Get parity checking, host ID and verbose mode from NVRAM
*/
np->myaddr = 255;
- np->scsi_mode = 0;
sym_nvram_setup_host(shost, np, nvram);
/*
*/
sym_init_burst(np, burst_max);
- sym_set_bus_mode(np, nvram);
+ /*
+ * Set SCSI BUS mode.
+ * - LVD capable chips (895/895A/896/1010) report the
+ * current BUS mode through the STEST4 IO register.
+ * - For previous generation chips (825/825A/875),
+ * user has to tell us how to check against HVD,
+ * since a 100% safe algorithm is not possible.
+ */
+ np->scsi_mode = SMODE_SE;
+ if (np->features & (FE_ULTRA2|FE_ULTRA3))
+ np->scsi_mode = (np->sv_stest4 & SMODE);
+ else if (np->features & FE_DIFF) {
+ if (SYM_SETUP_SCSI_DIFF == 1) {
+ if (np->sv_scntl3) {
+ if (np->sv_stest2 & 0x20)
+ np->scsi_mode = SMODE_HVD;
+ }
+ else if (nvram->type == SYM_SYMBIOS_NVRAM) {
+ if (!(INB(np, nc_gpreg) & 0x08))
+ np->scsi_mode = SMODE_HVD;
+ }
+ }
+ else if (SYM_SETUP_SCSI_DIFF == 2)
+ np->scsi_mode = SMODE_HVD;
+ }
+ if (np->scsi_mode == SMODE_HVD)
+ np->rv_stest2 |= 0x20;
/*
* Set LED support from SCRIPTS.
*
* Has to be called with interrupts disabled.
*/
-#ifdef CONFIG_SCSI_SYM53C8XX_MMIO
-static int sym_regtest(struct sym_hcb *np)
+#ifndef CONFIG_SCSI_SYM53C8XX_IOMAPPED
+static int sym_regtest (struct sym_hcb *np)
{
register volatile u32 data;
/*
#endif
printf ("CACHE TEST FAILED: reg dstat-sstat2 readback %x.\n",
(unsigned) data);
- return 0x10;
+ return (0x10);
}
- return 0;
-}
-#else
-static inline int sym_regtest(struct sym_hcb *np)
-{
- return 0;
+ return (0);
}
#endif
-static int sym_snooptest(struct sym_hcb *np)
+static int sym_snooptest (struct sym_hcb *np)
{
- u32 sym_rd, sym_wr, sym_bk, host_rd, host_wr, pc, dstat;
- int i, err;
-
- err = sym_regtest(np);
- if (err)
- return err;
+ u32 sym_rd, sym_wr, sym_bk, host_rd, host_wr, pc, dstat;
+ int i, err=0;
+#ifndef CONFIG_SCSI_SYM53C8XX_IOMAPPED
+ err |= sym_regtest (np);
+ if (err) return (err);
+#endif
restart_test:
/*
* Enable Master Parity Checking as we intend
err |= 4;
}
- return err;
+ return (err);
}
/*
FE_RAM|FE_IO256|FE_LEDC}
};
-#define sym_num_devs (ARRAY_SIZE(sym_dev_table))
+#define sym_num_devs \
+ (sizeof(sym_dev_table) / sizeof(sym_dev_table[0]))
/*
* Look up the chip table.
switch (nego) {
case NS_SYNC:
- msglen += spi_populate_sync_msg(msgptr + msglen, goal->period,
- goal->offset);
+ msgptr[msglen++] = M_EXTENDED;
+ msgptr[msglen++] = 3;
+ msgptr[msglen++] = M_X_SYNC_REQ;
+ msgptr[msglen++] = goal->period;
+ msgptr[msglen++] = goal->offset;
break;
case NS_WIDE:
- msglen += spi_populate_width_msg(msgptr + msglen, goal->width);
+ msgptr[msglen++] = M_EXTENDED;
+ msgptr[msglen++] = 2;
+ msgptr[msglen++] = M_X_WIDE_REQ;
+ msgptr[msglen++] = goal->width;
break;
case NS_PPR:
- msglen += spi_populate_ppr_msg(msgptr + msglen, goal->period,
- goal->offset, goal->width,
- (goal->iu ? PPR_OPT_IU : 0) |
+ msgptr[msglen++] = M_EXTENDED;
+ msgptr[msglen++] = 6;
+ msgptr[msglen++] = M_X_PPR_REQ;
+ msgptr[msglen++] = goal->period;
+ msgptr[msglen++] = 0;
+ msgptr[msglen++] = goal->offset;
+ msgptr[msglen++] = goal->width;
+ msgptr[msglen++] = (goal->iu ? PPR_OPT_IU : 0) |
(goal->dt ? PPR_OPT_DT : 0) |
- (goal->qas ? PPR_OPT_QAS : 0));
+ (goal->qas ? PPR_OPT_QAS : 0);
break;
}
/*
* Insert a job into the start queue.
*/
-void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp)
+static void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp)
{
u_short qidx;
/*
* It was a request. Prepare an answer message.
*/
- spi_populate_sync_msg(np->msgout, per, ofs);
+ np->msgout[0] = M_EXTENDED;
+ np->msgout[1] = 3;
+ np->msgout[2] = M_X_SYNC_REQ;
+ np->msgout[3] = per;
+ np->msgout[4] = ofs;
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "sync msgout", np->msgout);
/*
* It was a request. Prepare an answer message.
*/
- spi_populate_ppr_msg(np->msgout, per, ofs, wide, opts);
+ np->msgout[0] = M_EXTENDED;
+ np->msgout[1] = 6;
+ np->msgout[2] = M_X_PPR_REQ;
+ np->msgout[3] = per;
+ np->msgout[4] = 0;
+ np->msgout[5] = ofs;
+ np->msgout[6] = wide;
+ np->msgout[7] = opts;
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "ppr msgout", np->msgout);
/*
* It was a request. Prepare an answer message.
*/
- spi_populate_width_msg(np->msgout, wide);
+ np->msgout[0] = M_EXTENDED;
+ np->msgout[1] = 2;
+ np->msgout[2] = M_X_WIDE_REQ;
+ np->msgout[3] = wide;
np->msgin [0] = M_NOOP;
* a single SCSI command (Suggested by Justin Gibbs).
*/
if (tp->tgoal.offset) {
- spi_populate_sync_msg(np->msgout, tp->tgoal.period,
- tp->tgoal.offset);
+ np->msgout[0] = M_EXTENDED;
+ np->msgout[1] = 3;
+ np->msgout[2] = M_X_SYNC_REQ;
+ np->msgout[3] = tp->tgoal.period;
+ np->msgout[4] = tp->tgoal.offset;
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, cp->target,
switch (np->msgin [2]) {
case M_X_MODIFY_DP:
if (DEBUG_FLAGS & DEBUG_POINTER)
- sym_print_msg(cp, NULL, np->msgin);
+ sym_print_msg(cp,"modify DP",np->msgin);
tmp = (np->msgin[3]<<24) + (np->msgin[4]<<16) +
(np->msgin[5]<<8) + (np->msgin[6]);
sym_modify_dp(np, tp, cp, tmp);
*/
case M_IGN_RESIDUE:
if (DEBUG_FLAGS & DEBUG_POINTER)
- sym_print_msg(cp, NULL, np->msgin);
+ sym_print_msg(cp,"ign wide residue", np->msgin);
if (cp->host_flags & HF_SENSE)
OUTL_DSP(np, SCRIPTA_BA(np, clrack));
else
* Debugging purpose.
*/
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- if (lp->busy_itl != 0)
- goto out_free;
+ assert(lp->busy_itl == 0);
#endif
/*
* Allocate resources for tags if not yet.
* Debugging purpose.
*/
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- if (lp->busy_itl != 0 || lp->busy_itlq != 0)
- goto out_free;
+ assert(lp->busy_itl == 0 && lp->busy_itlq == 0);
#endif
/*
* Count this nexus for this LUN.
git://git.onelab.eu / linux-2.6.git / blobdiff