* of PCI-SCSI IO processors.
*
* Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr>
+ * Copyright (c) 2003-2005 Matthew Wilcox <matthew@wil.cx>
*
* This driver is derived from the Linux sym53c8xx driver.
* Copyright (C) 1998-2000 Gerard Roudier
*
*-----------------------------------------------------------------------------
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
- * Where this Software is combined with software released under the terms of
- * the GNU Public License ("GPL") and the terms of the GPL would require the
- * combined work to also be released under the terms of the GPL, the terms
- * and conditions of this License will apply in addition to those of the
- * GPL with the exception of any terms or conditions of this License that
- * conflict with, or are expressly prohibited by, the GPL.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#define SYM_VERSION "2.1.18j"
-#define SYM_DRIVER_NAME "sym-" SYM_VERSION
+#include <linux/slab.h>
+#include <asm/param.h> /* for timeouts in units of HZ */
#include "sym_glue.h"
#include "sym_nvram.h"
/*
* Needed function prototypes.
*/
-static void sym_int_ma (hcb_p np);
-static void sym_int_sir (hcb_p np);
-static ccb_p sym_alloc_ccb(hcb_p np);
-static ccb_p sym_ccb_from_dsa(hcb_p np, u32 dsa);
-static void sym_alloc_lcb_tags (hcb_p np, u_char tn, u_char ln);
-static void sym_complete_error (hcb_p np, ccb_p cp);
-static void sym_complete_ok (hcb_p np, ccb_p cp);
-static int sym_compute_residual(hcb_p np, ccb_p cp);
+static void sym_int_ma (struct sym_hcb *np);
+static void sym_int_sir (struct sym_hcb *np);
+static struct sym_ccb *sym_alloc_ccb(struct sym_hcb *np);
+static struct sym_ccb *sym_ccb_from_dsa(struct sym_hcb *np, u32 dsa);
+static void sym_alloc_lcb_tags (struct sym_hcb *np, u_char tn, u_char ln);
+static void sym_complete_error (struct sym_hcb *np, struct sym_ccb *cp);
+static void sym_complete_ok (struct sym_hcb *np, struct sym_ccb *cp);
+static int sym_compute_residual(struct sym_hcb *np, struct sym_ccb *cp);
/*
- * Returns the name of this driver.
+ * Print a buffer in hexadecimal format with a ".\n" at end.
*/
-char *sym_driver_name(void)
-{
- return SYM_DRIVER_NAME;
-}
-/*
- * Print a buffer in hexadecimal format.
- */
-static void sym_printb_hex (u_char *p, int n)
+static void sym_printl_hex(u_char *p, int n)
{
while (n-- > 0)
printf (" %x", *p++);
-}
-
-/*
- * Same with a label at beginning and .\n at end.
- */
-static void sym_printl_hex (char *label, u_char *p, int n)
-{
- printf ("%s", label);
- sym_printb_hex (p, n);
printf (".\n");
}
-/*
- * Print something which allows to retrieve the controler type,
- * unit, target, lun concerned by a kernel message.
- */
-static void sym_print_target (hcb_p np, int target)
-{
- printf ("%s:%d:", sym_name(np), target);
-}
-
-static void sym_print_lun(hcb_p np, int target, int lun)
-{
- printf ("%s:%d:%d:", sym_name(np), target, lun);
-}
-
-/*
- * Print out the content of a SCSI message.
- */
-static int sym_show_msg (u_char * msg)
-{
- u_char i;
- printf ("%x",*msg);
- if (*msg==M_EXTENDED) {
- for (i=1;i<8;i++) {
- if (i-1>msg[1]) break;
- printf ("-%x",msg[i]);
- };
- return (i+1);
- } else if ((*msg & 0xf0) == 0x20) {
- printf ("-%x",msg[1]);
- return (2);
- };
- return (1);
-}
-
-static void sym_print_msg (ccb_p cp, char *label, u_char *msg)
+static void sym_print_msg(struct sym_ccb *cp, char *label, u_char *msg)
{
- PRINT_ADDR(cp);
if (label)
- printf ("%s: ", label);
+ sym_print_addr(cp->cmd, "%s: ", label);
+ else
+ sym_print_addr(cp->cmd, "");
- (void) sym_show_msg (msg);
- printf (".\n");
+ spi_print_msg(msg);
+ printf("\n");
}
-static void sym_print_nego_msg (hcb_p np, int target, char *label, u_char *msg)
+static void sym_print_nego_msg(struct sym_hcb *np, int target, char *label, u_char *msg)
{
- PRINT_TARGET(np, target);
- if (label)
- printf ("%s: ", label);
+ struct sym_tcb *tp = &np->target[target];
+ dev_info(&tp->starget->dev, "%s: ", label);
- (void) sym_show_msg (msg);
- printf (".\n");
+ spi_print_msg(msg);
+ printf("\n");
}
/*
* Print something that tells about extended errors.
*/
-void sym_print_xerr(ccb_p cp, int x_status)
+void sym_print_xerr(struct scsi_cmnd *cmd, int x_status)
{
if (x_status & XE_PARITY_ERR) {
- PRINT_ADDR(cp);
- printf ("unrecovered SCSI parity error.\n");
+ sym_print_addr(cmd, "unrecovered SCSI parity error.\n");
}
if (x_status & XE_EXTRA_DATA) {
- PRINT_ADDR(cp);
- printf ("extraneous data discarded.\n");
+ sym_print_addr(cmd, "extraneous data discarded.\n");
}
if (x_status & XE_BAD_PHASE) {
- PRINT_ADDR(cp);
- printf ("illegal scsi phase (4/5).\n");
+ sym_print_addr(cmd, "illegal scsi phase (4/5).\n");
}
if (x_status & XE_SODL_UNRUN) {
- PRINT_ADDR(cp);
- printf ("ODD transfer in DATA OUT phase.\n");
+ sym_print_addr(cmd, "ODD transfer in DATA OUT phase.\n");
}
if (x_status & XE_SWIDE_OVRUN) {
- PRINT_ADDR(cp);
- printf ("ODD transfer in DATA IN phase.\n");
+ sym_print_addr(cmd, "ODD transfer in DATA IN phase.\n");
}
}
* On the other hand, LVD devices need some delay
* to settle and report actual BUS mode in STEST4.
*/
-static void sym_chip_reset (hcb_p np)
+static void sym_chip_reset (struct sym_hcb *np)
{
- OUTB (nc_istat, SRST);
- UDELAY (10);
- OUTB (nc_istat, 0);
- UDELAY(2000); /* For BUS MODE to settle */
+ OUTB(np, nc_istat, SRST);
+ INB(np, nc_mbox1);
+ udelay(10);
+ OUTB(np, nc_istat, 0);
+ INB(np, nc_mbox1);
+ udelay(2000); /* For BUS MODE to settle */
}
/*
* So, we need to abort the current operation prior to
* soft resetting the chip.
*/
-static void sym_soft_reset (hcb_p np)
+static void sym_soft_reset (struct sym_hcb *np)
{
u_char istat = 0;
int i;
- if (!(np->features & FE_ISTAT1) || !(INB (nc_istat1) & SCRUN))
+ if (!(np->features & FE_ISTAT1) || !(INB(np, nc_istat1) & SCRUN))
goto do_chip_reset;
- OUTB (nc_istat, CABRT);
+ OUTB(np, nc_istat, CABRT);
for (i = 100000 ; i ; --i) {
- istat = INB (nc_istat);
+ istat = INB(np, nc_istat);
if (istat & SIP) {
- INW (nc_sist);
+ INW(np, nc_sist);
}
else if (istat & DIP) {
- if (INB (nc_dstat) & ABRT)
+ if (INB(np, nc_dstat) & ABRT)
break;
}
- UDELAY(5);
+ udelay(5);
}
- OUTB (nc_istat, 0);
+ OUTB(np, nc_istat, 0);
if (!i)
printf("%s: unable to abort current chip operation, "
"ISTAT=0x%02x.\n", sym_name(np), istat);
do_chip_reset:
- sym_chip_reset (np);
+ sym_chip_reset(np);
}
/*
*
* The interrupt handler will reinitialize the chip.
*/
-static void sym_start_reset(hcb_p np)
+static void sym_start_reset(struct sym_hcb *np)
{
- (void) sym_reset_scsi_bus(np, 1);
+ sym_reset_scsi_bus(np, 1);
}
-int sym_reset_scsi_bus(hcb_p np, int enab_int)
+int sym_reset_scsi_bus(struct sym_hcb *np, int enab_int)
{
u32 term;
int retv = 0;
sym_soft_reset(np); /* Soft reset the chip */
if (enab_int)
- OUTW (nc_sien, RST);
+ OUTW(np, nc_sien, RST);
/*
* Enable Tolerant, reset IRQD if present and
* properly set IRQ mode, prior to resetting the bus.
*/
- OUTB (nc_stest3, TE);
- OUTB (nc_dcntl, (np->rv_dcntl & IRQM));
- OUTB (nc_scntl1, CRST);
- UDELAY (200);
+ OUTB(np, nc_stest3, TE);
+ OUTB(np, nc_dcntl, (np->rv_dcntl & IRQM));
+ OUTB(np, nc_scntl1, CRST);
+ INB(np, nc_mbox1);
+ udelay(200);
if (!SYM_SETUP_SCSI_BUS_CHECK)
goto out;
* We are expecting RESET to be TRUE and other signals to be
* FALSE.
*/
- term = INB(nc_sstat0);
+ term = INB(np, nc_sstat0);
term = ((term & 2) << 7) + ((term & 1) << 17); /* rst sdp0 */
- term |= ((INB(nc_sstat2) & 0x01) << 26) | /* sdp1 */
- ((INW(nc_sbdl) & 0xff) << 9) | /* d7-0 */
- ((INW(nc_sbdl) & 0xff00) << 10) | /* d15-8 */
- INB(nc_sbcl); /* req ack bsy sel atn msg cd io */
+ term |= ((INB(np, nc_sstat2) & 0x01) << 26) | /* sdp1 */
+ ((INW(np, nc_sbdl) & 0xff) << 9) | /* d7-0 */
+ ((INW(np, nc_sbdl) & 0xff00) << 10) | /* d15-8 */
+ INB(np, nc_sbcl); /* req ack bsy sel atn msg cd io */
if (!np->maxwide)
term &= 0x3ffff;
retv = 1;
}
out:
- OUTB (nc_scntl1, 0);
- /* MDELAY(100); */
+ OUTB(np, nc_scntl1, 0);
return retv;
}
/*
* Select SCSI clock frequency
*/
-static void sym_selectclock(hcb_p np, u_char scntl3)
+static void sym_selectclock(struct sym_hcb *np, u_char scntl3)
{
/*
* If multiplier not present or not selected, leave here.
*/
if (np->multiplier <= 1) {
- OUTB(nc_scntl3, scntl3);
+ OUTB(np, nc_scntl3, scntl3);
return;
}
if (sym_verbose >= 2)
printf ("%s: enabling clock multiplier\n", sym_name(np));
- OUTB(nc_stest1, DBLEN); /* Enable clock multiplier */
+ OUTB(np, nc_stest1, DBLEN); /* Enable clock multiplier */
/*
* Wait for the LCKFRQ bit to be set if supported by the chip.
* Otherwise wait 50 micro-seconds (at least).
*/
if (np->features & FE_LCKFRQ) {
int i = 20;
- while (!(INB(nc_stest4) & LCKFRQ) && --i > 0)
- UDELAY (20);
+ while (!(INB(np, nc_stest4) & LCKFRQ) && --i > 0)
+ udelay(20);
if (!i)
printf("%s: the chip cannot lock the frequency\n",
sym_name(np));
- } else
- UDELAY ((50+10));
- OUTB(nc_stest3, HSC); /* Halt the scsi clock */
- OUTB(nc_scntl3, scntl3);
- OUTB(nc_stest1, (DBLEN|DBLSEL));/* Select clock multiplier */
- OUTB(nc_stest3, 0x00); /* Restart scsi clock */
+ } else {
+ INB(np, nc_mbox1);
+ udelay(50+10);
+ }
+ OUTB(np, nc_stest3, HSC); /* Halt the scsi clock */
+ OUTB(np, nc_scntl3, scntl3);
+ OUTB(np, nc_stest1, (DBLEN|DBLSEL));/* Select clock multiplier */
+ OUTB(np, nc_stest3, 0x00); /* Restart scsi clock */
}
/*
* calculate SCSI clock frequency (in KHz)
*/
-static unsigned getfreq (hcb_p np, int gen)
+static unsigned getfreq (struct sym_hcb *np, int gen)
{
unsigned int ms = 0;
unsigned int f;
* performed trust the higher delay
* (lower frequency returned).
*/
- OUTW (nc_sien , 0); /* mask all scsi interrupts */
- (void) INW (nc_sist); /* clear pending scsi interrupt */
- OUTB (nc_dien , 0); /* mask all dma interrupts */
- (void) INW (nc_sist); /* another one, just to be sure :) */
+ OUTW(np, nc_sien, 0); /* mask all scsi interrupts */
+ INW(np, nc_sist); /* clear pending scsi interrupt */
+ OUTB(np, nc_dien, 0); /* mask all dma interrupts */
+ INW(np, nc_sist); /* another one, just to be sure :) */
/*
* The C1010-33 core does not report GEN in SIST,
* if this interrupt is masked in SIEN.
* I don't know yet if the C1010-66 behaves the same way.
*/
if (np->features & FE_C10) {
- OUTW (nc_sien, GEN);
- OUTB (nc_istat1, SIRQD);
+ OUTW(np, nc_sien, GEN);
+ OUTB(np, nc_istat1, SIRQD);
}
- OUTB (nc_scntl3, 4); /* set pre-scaler to divide by 3 */
- OUTB (nc_stime1, 0); /* disable general purpose timer */
- OUTB (nc_stime1, gen); /* set to nominal delay of 1<<gen * 125us */
- while (!(INW(nc_sist) & GEN) && ms++ < 100000)
- UDELAY (1000/4);/* count in 1/4 of ms */
- OUTB (nc_stime1, 0); /* disable general purpose timer */
+ OUTB(np, nc_scntl3, 4); /* set pre-scaler to divide by 3 */
+ OUTB(np, nc_stime1, 0); /* disable general purpose timer */
+ OUTB(np, nc_stime1, gen); /* set to nominal delay of 1<<gen * 125us */
+ while (!(INW(np, nc_sist) & GEN) && ms++ < 100000)
+ udelay(1000/4); /* count in 1/4 of ms */
+ OUTB(np, nc_stime1, 0); /* disable general purpose timer */
/*
* Undo C1010-33 specific settings.
*/
if (np->features & FE_C10) {
- OUTW (nc_sien, 0);
- OUTB (nc_istat1, 0);
+ OUTW(np, nc_sien, 0);
+ OUTB(np, nc_istat1, 0);
}
/*
* set prescaler to divide by whatever 0 means
* 0 ought to choose divide by 2, but appears
* to set divide by 3.5 mode in my 53c810 ...
*/
- OUTB (nc_scntl3, 0);
+ OUTB(np, nc_scntl3, 0);
/*
* adjust for prescaler, and convert into KHz
return f;
}
-static unsigned sym_getfreq (hcb_p np)
+static unsigned sym_getfreq (struct sym_hcb *np)
{
u_int f1, f2;
int gen = 8;
- (void) getfreq (np, gen); /* throw away first result */
+ getfreq (np, gen); /* throw away first result */
f1 = getfreq (np, gen);
f2 = getfreq (np, gen);
if (f1 > f2) f1 = f2; /* trust lower result */
/*
* Get/probe chip SCSI clock frequency
*/
-static void sym_getclock (hcb_p np, int mult)
+static void sym_getclock (struct sym_hcb *np, int mult)
{
unsigned char scntl3 = np->sv_scntl3;
unsigned char stest1 = np->sv_stest1;
* Otherwise trust scntl3 BIOS setting.
*/
if (np->multiplier != mult || (scntl3 & 7) < 3 || !(scntl3 & 1)) {
- OUTB (nc_stest1, 0); /* make sure doubler is OFF */
+ OUTB(np, nc_stest1, 0); /* make sure doubler is OFF */
f1 = sym_getfreq (np);
if (sym_verbose)
/*
* Get/probe PCI clock frequency
*/
-static int sym_getpciclock (hcb_p np)
+static int sym_getpciclock (struct sym_hcb *np)
{
int f = 0;
#else
if (1) {
#endif
- OUTB (nc_stest1, SCLK); /* Use the PCI clock as SCSI clock */
- f = (int) sym_getfreq (np);
- OUTB (nc_stest1, 0);
+ OUTB(np, nc_stest1, SCLK); /* Use the PCI clock as SCSI clock */
+ f = sym_getfreq(np);
+ OUTB(np, nc_stest1, 0);
}
np->pciclk_khz = f;
* calculations more simple.
*/
#define _5M 5000000
-static u32 div_10M[] = {2*_5M, 3*_5M, 4*_5M, 6*_5M, 8*_5M, 12*_5M, 16*_5M};
+static const 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
* synchronous factor period.
*/
static int
-sym_getsync(hcb_p np, u_char dt, u_char sfac, u_char *divp, u_char *fakp)
+sym_getsync(struct sym_hcb *np, u_char dt, u_char sfac, u_char *divp, u_char *fakp)
{
u32 clk = np->clock_khz; /* SCSI clock frequency in kHz */
int div = np->clock_divn; /* Number of divisors supported */
/*
* Set initial io register bits from burst code.
*/
-static __inline void sym_init_burst(hcb_p np, u_char bc)
+static __inline void sym_init_burst(struct sym_hcb *np, u_char bc)
{
np->rv_ctest4 &= ~0x80;
np->rv_dmode &= ~(0x3 << 6);
}
}
-
-/*
- * Print out the list of targets that have some flag disabled by user.
- */
-static void sym_print_targets_flag(hcb_p np, int mask, char *msg)
-{
- int cnt;
- int i;
-
- for (cnt = 0, i = 0 ; i < SYM_CONF_MAX_TARGET ; i++) {
- if (i == np->myaddr)
- continue;
- if (np->target[i].usrflags & mask) {
- if (!cnt++)
- printf("%s: %s disabled for targets",
- sym_name(np), msg);
- printf(" %d", i);
- }
- }
- if (cnt)
- printf(".\n");
-}
-
/*
* Save initial settings of some IO registers.
* Assumed to have been set by BIOS.
* is not safe on paper, but it seems to work quite
* well. :)
*/
-static void sym_save_initial_setting (hcb_p np)
+static void sym_save_initial_setting (struct sym_hcb *np)
{
- np->sv_scntl0 = INB(nc_scntl0) & 0x0a;
- np->sv_scntl3 = INB(nc_scntl3) & 0x07;
- np->sv_dmode = INB(nc_dmode) & 0xce;
- np->sv_dcntl = INB(nc_dcntl) & 0xa8;
- np->sv_ctest3 = INB(nc_ctest3) & 0x01;
- np->sv_ctest4 = INB(nc_ctest4) & 0x80;
- np->sv_gpcntl = INB(nc_gpcntl);
- np->sv_stest1 = INB(nc_stest1);
- np->sv_stest2 = INB(nc_stest2) & 0x20;
- np->sv_stest4 = INB(nc_stest4);
+ np->sv_scntl0 = INB(np, nc_scntl0) & 0x0a;
+ np->sv_scntl3 = INB(np, nc_scntl3) & 0x07;
+ np->sv_dmode = INB(np, nc_dmode) & 0xce;
+ np->sv_dcntl = INB(np, nc_dcntl) & 0xa8;
+ np->sv_ctest3 = INB(np, nc_ctest3) & 0x01;
+ np->sv_ctest4 = INB(np, nc_ctest4) & 0x80;
+ np->sv_gpcntl = INB(np, nc_gpcntl);
+ np->sv_stest1 = INB(np, nc_stest1);
+ np->sv_stest2 = INB(np, nc_stest2) & 0x20;
+ np->sv_stest4 = INB(np, nc_stest4);
if (np->features & FE_C10) { /* Always large DMA fifo + ultra3 */
- np->sv_scntl4 = INB(nc_scntl4);
- np->sv_ctest5 = INB(nc_ctest5) & 0x04;
+ np->sv_scntl4 = INB(np, nc_scntl4);
+ np->sv_ctest5 = INB(np, nc_ctest5) & 0x04;
}
else
- np->sv_ctest5 = INB(nc_ctest5) & 0x24;
+ np->sv_ctest5 = INB(np, nc_ctest5) & 0x24;
}
-#ifdef CONFIG_PARISC
-static u32 parisc_setup_hcb(hcb_p np, u32 period)
+/*
+ * 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)
{
- unsigned long pdc_period;
- char scsi_mode;
- struct hardware_path hwpath;
-
- /* Host firmware (PDC) keeps a table for crippling SCSI capabilities.
- * Many newer machines export one channel of 53c896 chip
- * as SE, 50-pin HD. Also used for Multi-initiator SCSI clusters
- * to set the SCSI Initiator ID.
- */
- get_pci_node_path(np->s.device, &hwpath);
- if (!pdc_get_initiator(&hwpath, &np->myaddr, &pdc_period,
- &np->maxwide, &scsi_mode))
- return period;
-
- if (scsi_mode >= 0) {
- /* C3000 PDC reports period/mode */
- SYM_SETUP_SCSI_DIFF = 0;
- switch(scsi_mode) {
- case 0: np->scsi_mode = SMODE_SE; break;
- case 1: np->scsi_mode = SMODE_HVD; break;
- case 2: np->scsi_mode = SMODE_LVD; break;
- default: break;
- }
- }
+ if (np->scsi_mode)
+ return;
- return (u32) pdc_period;
+ 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;
}
-#else
-static inline int parisc_setup_hcb(hcb_p np, u32 period) { return period; }
-#endif
+
/*
* Prepare io register values used by sym_start_up()
* according to selected and supported features.
*/
-static int sym_prepare_setting(hcb_p np, struct sym_nvram *nvram)
+static int sym_prepare_setting(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram)
{
u_char burst_max;
u32 period;
int i;
- /*
- * Wide ?
- */
- np->maxwide = (np->features & FE_WIDE)? 1 : 0;
+ np->maxwide = (np->features & FE_WIDE) ? 1 : 0;
/*
* Guess the frequency of the chip's clock.
*/
period = (4 * div_10M[0] + np->clock_khz - 1) / np->clock_khz;
- period = parisc_setup_hcb(np, period);
-
if (period <= 250) np->minsync = 10;
else if (period <= 303) np->minsync = 11;
else if (period <= 500) np->minsync = 12;
* In dual channel mode, contention occurs if internal cycles
* are used. Disable internal cycles.
*/
- if (np->device_id == PCI_ID_LSI53C1010_33 &&
+ if (np->device_id == PCI_DEVICE_ID_LSI_53C1010_33 &&
np->revision_id < 0x1)
np->rv_ccntl0 |= DILS;
* this driver. The generic ncr driver that does not use
* LOAD/STORE instructions does not need this work-around.
*/
- if ((np->device_id == PCI_ID_SYM53C810 &&
+ if ((np->device_id == PCI_DEVICE_ID_NCR_53C810 &&
np->revision_id >= 0x10 && np->revision_id <= 0x11) ||
- (np->device_id == PCI_ID_SYM53C860 &&
+ (np->device_id == PCI_DEVICE_ID_NCR_53C860 &&
np->revision_id <= 0x1))
np->features &= ~(FE_WRIE|FE_ERL|FE_ERMP);
/*
* Select some other
*/
- if (SYM_SETUP_PCI_PARITY)
- np->rv_ctest4 |= MPEE; /* Master parity checking */
- if (SYM_SETUP_SCSI_PARITY)
- np->rv_scntl0 |= 0x0a; /* full arb., ena parity, par->ATN */
+ np->rv_ctest4 |= MPEE; /* Master parity checking */
+ np->rv_scntl0 |= 0x0a; /* full arb., ena parity, par->ATN */
/*
* Get parity checking, host ID and verbose mode from NVRAM
*/
np->myaddr = 255;
- sym_nvram_setup_host (np, nvram);
+ np->scsi_mode = 0;
+ sym_nvram_setup_host(shost, np, nvram);
/*
* Get SCSI addr of host adapter (set by bios?).
*/
if (np->myaddr == 255) {
- np->myaddr = INB(nc_scid) & 0x07;
+ np->myaddr = INB(np, nc_scid) & 0x07;
if (!np->myaddr)
np->myaddr = SYM_SETUP_HOST_ID;
}
*/
sym_init_burst(np, burst_max);
- /*
- * 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(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;
+ sym_set_bus_mode(np, nvram);
/*
* Set LED support from SCRIPTS.
if ((SYM_SETUP_SCSI_LED ||
(nvram->type == SYM_SYMBIOS_NVRAM ||
(nvram->type == SYM_TEKRAM_NVRAM &&
- np->device_id == PCI_ID_SYM53C895))) &&
+ np->device_id == PCI_DEVICE_ID_NCR_53C895))) &&
!(np->features & FE_LEDC) && !(np->sv_gpcntl & 0x01))
np->features |= FE_LED0;
* If NVRAM present get targets setup from NVRAM.
*/
for (i = 0 ; i < SYM_CONF_MAX_TARGET ; i++) {
- tcb_p tp = &np->target[i];
+ struct sym_tcb *tp = &np->target[i];
- tp->tinfo.user.scsi_version = tp->tinfo.curr.scsi_version= 2;
- tp->tinfo.user.spi_version = tp->tinfo.curr.spi_version = 2;
- tp->tinfo.user.period = np->minsync;
- tp->tinfo.user.offset = np->maxoffs;
- tp->tinfo.user.width = np->maxwide ? BUS_16_BIT : BUS_8_BIT;
tp->usrflags |= (SYM_DISC_ENABLED | SYM_TAGS_ENABLED);
tp->usrtags = SYM_SETUP_MAX_TAG;
+ tp->usr_width = np->maxwide;
+ tp->usr_period = 9;
- sym_nvram_setup_target (np, i, nvram);
-
- /*
- * Some single-ended devices may crash on receiving a
- * PPR negotiation attempt. Only try PPR if we're in
- * LVD mode.
- */
- if (np->features & FE_ULTRA3) {
- tp->tinfo.user.options |= PPR_OPT_DT;
- tp->tinfo.user.period = np->minsync_dt;
- tp->tinfo.user.offset = np->maxoffs_dt;
- tp->tinfo.user.spi_version = 3;
- }
+ sym_nvram_setup_target(tp, i, nvram);
if (!tp->usrtags)
tp->usrflags &= ~SYM_TAGS_ENABLED;
/*
* Let user know about the settings.
*/
- i = nvram->type;
- printf("%s: %s NVRAM, ID %d, Fast-%d, %s, %s\n", sym_name(np),
- i == SYM_SYMBIOS_NVRAM ? "Symbios" :
- (i == SYM_TEKRAM_NVRAM ? "Tekram" : "No"),
- np->myaddr,
+ printf("%s: %s, ID %d, Fast-%d, %s, %s\n", sym_name(np),
+ sym_nvram_type(nvram), np->myaddr,
(np->features & FE_ULTRA3) ? 80 :
(np->features & FE_ULTRA2) ? 40 :
(np->features & FE_ULTRA) ? 20 : 10,
sym_name(np), np->rv_scntl3, np->rv_dmode, np->rv_dcntl,
np->rv_ctest3, np->rv_ctest4, np->rv_ctest5);
}
- /*
- * Let user be aware of targets that have some disable flags set.
- */
- sym_print_targets_flag(np, SYM_SCAN_BOOT_DISABLED, "SCAN AT BOOT");
- if (sym_verbose)
- sym_print_targets_flag(np, SYM_SCAN_LUNS_DISABLED,
- "SCAN FOR LUNS");
return 0;
}
*
* Has to be called with interrupts disabled.
*/
-#ifndef SYM_CONF_IOMAPPED
-static int sym_regtest (hcb_p np)
+#ifdef CONFIG_SCSI_SYM53C8XX_MMIO
+static int sym_regtest(struct sym_hcb *np)
{
register volatile u32 data;
/*
* and try to read it back.
*/
data = 0xffffffff;
- OUTL_OFF(offsetof(struct sym_reg, nc_dstat), data);
- data = INL_OFF(offsetof(struct sym_reg, nc_dstat));
+ OUTL(np, nc_dstat, data);
+ data = INL(np, nc_dstat);
#if 1
if (data == 0xffffffff) {
#else
#endif
printf ("CACHE TEST FAILED: reg dstat-sstat2 readback %x.\n",
(unsigned) data);
- return (0x10);
- };
- return (0);
+ return 0x10;
+ }
+ return 0;
+}
+#else
+static inline int sym_regtest(struct sym_hcb *np)
+{
+ return 0;
}
#endif
-static int sym_snooptest (hcb_p 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=0;
-#ifndef SYM_CONF_IOMAPPED
- err |= sym_regtest (np);
- if (err) return (err);
-#endif
+ u32 sym_rd, sym_wr, sym_bk, host_rd, host_wr, pc, dstat;
+ int i, err;
+
+ err = sym_regtest(np);
+ if (err)
+ return err;
restart_test:
/*
* Enable Master Parity Checking as we intend
* to enable it for normal operations.
*/
- OUTB (nc_ctest4, (np->rv_ctest4 & MPEE));
+ OUTB(np, nc_ctest4, (np->rv_ctest4 & MPEE));
/*
* init
*/
- pc = SCRIPTZ_BA (np, snooptest);
+ pc = SCRIPTZ_BA(np, snooptest);
host_wr = 1;
sym_wr = 2;
/*
* Set memory and register.
*/
np->scratch = cpu_to_scr(host_wr);
- OUTL (nc_temp, sym_wr);
+ OUTL(np, nc_temp, sym_wr);
/*
* Start script (exchange values)
*/
- OUTL (nc_dsa, np->hcb_ba);
- OUTL_DSP (pc);
+ OUTL(np, nc_dsa, np->hcb_ba);
+ OUTL_DSP(np, pc);
/*
* Wait 'til done (with timeout)
*/
for (i=0; i<SYM_SNOOP_TIMEOUT; i++)
- if (INB(nc_istat) & (INTF|SIP|DIP))
+ if (INB(np, nc_istat) & (INTF|SIP|DIP))
break;
if (i>=SYM_SNOOP_TIMEOUT) {
printf ("CACHE TEST FAILED: timeout.\n");
return (0x20);
- };
+ }
/*
* Check for fatal DMA errors.
*/
- dstat = INB (nc_dstat);
+ dstat = INB(np, nc_dstat);
#if 1 /* Band aiding for broken hardwares that fail PCI parity */
if ((dstat & MDPE) && (np->rv_ctest4 & MPEE)) {
printf ("%s: PCI DATA PARITY ERROR DETECTED - "
/*
* Save termination position.
*/
- pc = INL (nc_dsp);
+ pc = INL(np, nc_dsp);
/*
* Read memory and register.
*/
host_rd = scr_to_cpu(np->scratch);
- sym_rd = INL (nc_scratcha);
- sym_bk = INL (nc_temp);
+ sym_rd = INL(np, nc_scratcha);
+ sym_bk = INL(np, nc_temp);
/*
* Check termination position.
*/
- if (pc != SCRIPTZ_BA (np, snoopend)+8) {
+ if (pc != SCRIPTZ_BA(np, snoopend)+8) {
printf ("CACHE TEST FAILED: script execution failed.\n");
printf ("start=%08lx, pc=%08lx, end=%08lx\n",
- (u_long) SCRIPTZ_BA (np, snooptest), (u_long) pc,
- (u_long) SCRIPTZ_BA (np, snoopend) +8);
+ (u_long) SCRIPTZ_BA(np, snooptest), (u_long) pc,
+ (u_long) SCRIPTZ_BA(np, snoopend) +8);
return (0x40);
- };
+ }
/*
* Show results.
*/
printf ("CACHE TEST FAILED: host wrote %d, chip read %d.\n",
(int) host_wr, (int) sym_rd);
err |= 1;
- };
+ }
if (host_rd != sym_wr) {
printf ("CACHE TEST FAILED: chip wrote %d, host read %d.\n",
(int) sym_wr, (int) host_rd);
err |= 2;
- };
+ }
if (sym_bk != sym_wr) {
printf ("CACHE TEST FAILED: chip wrote %d, read back %d.\n",
(int) sym_wr, (int) sym_bk);
err |= 4;
- };
+ }
- return (err);
+ return err;
}
/*
* First 24 register of the chip:
* r0..rf
*/
-static void sym_log_hard_error(hcb_p np, u_short sist, u_char dstat)
+static void sym_log_hard_error(struct sym_hcb *np, u_short sist, u_char dstat)
{
u32 dsp;
int script_ofs;
u_char *script_base;
int i;
- dsp = INL (nc_dsp);
+ dsp = INL(np, nc_dsp);
if (dsp > np->scripta_ba &&
dsp <= np->scripta_ba + np->scripta_sz) {
} else {
script_ofs = dsp;
script_size = 0;
- script_base = 0;
+ script_base = NULL;
script_name = "mem";
}
printf ("%s:%d: ERROR (%x:%x) (%x-%x-%x) (%x/%x/%x) @ (%s %x:%08x).\n",
- sym_name (np), (unsigned)INB (nc_sdid)&0x0f, dstat, sist,
- (unsigned)INB (nc_socl), (unsigned)INB (nc_sbcl),
- (unsigned)INB (nc_sbdl), (unsigned)INB (nc_sxfer),
- (unsigned)INB (nc_scntl3),
- (np->features & FE_C10) ? (unsigned)INB (nc_scntl4) : 0,
- script_name, script_ofs, (unsigned)INL (nc_dbc));
+ sym_name(np), (unsigned)INB(np, nc_sdid)&0x0f, dstat, sist,
+ (unsigned)INB(np, nc_socl), (unsigned)INB(np, nc_sbcl),
+ (unsigned)INB(np, nc_sbdl), (unsigned)INB(np, nc_sxfer),
+ (unsigned)INB(np, nc_scntl3),
+ (np->features & FE_C10) ? (unsigned)INB(np, nc_scntl4) : 0,
+ script_name, script_ofs, (unsigned)INL(np, nc_dbc));
if (((script_ofs & 3) == 0) &&
(unsigned)script_ofs < script_size) {
printf ("%s: regdump:", sym_name(np));
for (i=0; i<24;i++)
- printf (" %02x", (unsigned)INB_OFF(i));
+ printf (" %02x", (unsigned)INB_OFF(np, i));
printf (".\n");
/*
sym_log_bus_error(np);
}
-static struct sym_pci_chip sym_pci_dev_table[] = {
- {PCI_ID_SYM53C810, 0x0f, "810", 4, 8, 4, 64,
+static struct sym_chip sym_dev_table[] = {
+ {PCI_DEVICE_ID_NCR_53C810, 0x0f, "810", 4, 8, 4, 64,
FE_ERL}
,
#ifdef SYM_DEBUG_GENERIC_SUPPORT
- {PCI_ID_SYM53C810, 0xff, "810a", 4, 8, 4, 1,
+ {PCI_DEVICE_ID_NCR_53C810, 0xff, "810a", 4, 8, 4, 1,
FE_BOF}
,
#else
- {PCI_ID_SYM53C810, 0xff, "810a", 4, 8, 4, 1,
+ {PCI_DEVICE_ID_NCR_53C810, 0xff, "810a", 4, 8, 4, 1,
FE_CACHE_SET|FE_LDSTR|FE_PFEN|FE_BOF}
,
#endif
- {PCI_ID_SYM53C815, 0xff, "815", 4, 8, 4, 64,
+ {PCI_DEVICE_ID_NCR_53C815, 0xff, "815", 4, 8, 4, 64,
FE_BOF|FE_ERL}
,
- {PCI_ID_SYM53C825, 0x0f, "825", 6, 8, 4, 64,
+ {PCI_DEVICE_ID_NCR_53C825, 0x0f, "825", 6, 8, 4, 64,
FE_WIDE|FE_BOF|FE_ERL|FE_DIFF}
,
- {PCI_ID_SYM53C825, 0xff, "825a", 6, 8, 4, 2,
+ {PCI_DEVICE_ID_NCR_53C825, 0xff, "825a", 6, 8, 4, 2,
FE_WIDE|FE_CACHE0_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|FE_RAM|FE_DIFF}
,
- {PCI_ID_SYM53C860, 0xff, "860", 4, 8, 5, 1,
+ {PCI_DEVICE_ID_NCR_53C860, 0xff, "860", 4, 8, 5, 1,
FE_ULTRA|FE_CACHE_SET|FE_BOF|FE_LDSTR|FE_PFEN}
,
- {PCI_ID_SYM53C875, 0x01, "875", 6, 16, 5, 2,
+ {PCI_DEVICE_ID_NCR_53C875, 0x01, "875", 6, 16, 5, 2,
FE_WIDE|FE_ULTRA|FE_CACHE0_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_DIFF|FE_VARCLK}
,
- {PCI_ID_SYM53C875, 0xff, "875", 6, 16, 5, 2,
+ {PCI_DEVICE_ID_NCR_53C875, 0xff, "875", 6, 16, 5, 2,
FE_WIDE|FE_ULTRA|FE_DBLR|FE_CACHE0_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_DIFF|FE_VARCLK}
,
- {PCI_ID_SYM53C875_2, 0xff, "875", 6, 16, 5, 2,
+ {PCI_DEVICE_ID_NCR_53C875J, 0xff, "875J", 6, 16, 5, 2,
FE_WIDE|FE_ULTRA|FE_DBLR|FE_CACHE0_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_DIFF|FE_VARCLK}
,
- {PCI_ID_SYM53C885, 0xff, "885", 6, 16, 5, 2,
+ {PCI_DEVICE_ID_NCR_53C885, 0xff, "885", 6, 16, 5, 2,
FE_WIDE|FE_ULTRA|FE_DBLR|FE_CACHE0_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_DIFF|FE_VARCLK}
,
#ifdef SYM_DEBUG_GENERIC_SUPPORT
- {PCI_ID_SYM53C895, 0xff, "895", 6, 31, 7, 2,
+ {PCI_DEVICE_ID_NCR_53C895, 0xff, "895", 6, 31, 7, 2,
FE_WIDE|FE_ULTRA2|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|
FE_RAM|FE_LCKFRQ}
,
#else
- {PCI_ID_SYM53C895, 0xff, "895", 6, 31, 7, 2,
+ {PCI_DEVICE_ID_NCR_53C895, 0xff, "895", 6, 31, 7, 2,
FE_WIDE|FE_ULTRA2|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_LCKFRQ}
,
#endif
- {PCI_ID_SYM53C896, 0xff, "896", 6, 31, 7, 4,
+ {PCI_DEVICE_ID_NCR_53C896, 0xff, "896", 6, 31, 7, 4,
FE_WIDE|FE_ULTRA2|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_DAC|FE_IO256|FE_NOPM|FE_LEDC|FE_LCKFRQ}
,
- {PCI_ID_SYM53C895A, 0xff, "895a", 6, 31, 7, 4,
+ {PCI_DEVICE_ID_LSI_53C895A, 0xff, "895a", 6, 31, 7, 4,
FE_WIDE|FE_ULTRA2|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_DAC|FE_IO256|FE_NOPM|FE_LEDC|FE_LCKFRQ}
,
- {PCI_ID_SYM53C875A, 0xff, "875a", 6, 31, 7, 4,
+ {PCI_DEVICE_ID_LSI_53C875A, 0xff, "875a", 6, 31, 7, 4,
FE_WIDE|FE_ULTRA|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_DAC|FE_IO256|FE_NOPM|FE_LEDC|FE_LCKFRQ}
,
- {PCI_ID_LSI53C1010_33, 0x00, "1010-33", 6, 31, 7, 8,
+ {PCI_DEVICE_ID_LSI_53C1010_33, 0x00, "1010-33", 6, 31, 7, 8,
FE_WIDE|FE_ULTRA3|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFBC|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_DAC|FE_IO256|FE_NOPM|FE_LEDC|FE_CRC|
FE_C10}
,
- {PCI_ID_LSI53C1010_33, 0xff, "1010-33", 6, 31, 7, 8,
+ {PCI_DEVICE_ID_LSI_53C1010_33, 0xff, "1010-33", 6, 31, 7, 8,
FE_WIDE|FE_ULTRA3|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFBC|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_DAC|FE_IO256|FE_NOPM|FE_LEDC|FE_CRC|
FE_C10|FE_U3EN}
,
- {PCI_ID_LSI53C1010_66, 0xff, "1010-66", 6, 31, 7, 8,
+ {PCI_DEVICE_ID_LSI_53C1010_66, 0xff, "1010-66", 6, 31, 7, 8,
FE_WIDE|FE_ULTRA3|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFBC|FE_LDSTR|FE_PFEN|
FE_RAM|FE_RAM8K|FE_64BIT|FE_DAC|FE_IO256|FE_NOPM|FE_LEDC|FE_66MHZ|FE_CRC|
FE_C10|FE_U3EN}
,
- {PCI_ID_LSI53C1510D, 0xff, "1510d", 6, 31, 7, 4,
+ {PCI_DEVICE_ID_LSI_53C1510, 0xff, "1510d", 6, 31, 7, 4,
FE_WIDE|FE_ULTRA2|FE_QUAD|FE_CACHE_SET|FE_BOF|FE_DFS|FE_LDSTR|FE_PFEN|
FE_RAM|FE_IO256|FE_LEDC}
};
-#define sym_pci_num_devs \
- (sizeof(sym_pci_dev_table) / sizeof(sym_pci_dev_table[0]))
+#define sym_num_devs \
+ (sizeof(sym_dev_table) / sizeof(sym_dev_table[0]))
/*
* Look up the chip table.
* Return a pointer to the chip entry if found,
* zero otherwise.
*/
-struct sym_pci_chip *
-sym_lookup_pci_chip_table (u_short device_id, u_char revision)
+struct sym_chip *
+sym_lookup_chip_table (u_short device_id, u_char revision)
{
- struct sym_pci_chip *chip;
+ struct sym_chip *chip;
int i;
- for (i = 0; i < sym_pci_num_devs; i++) {
- chip = &sym_pci_dev_table[i];
+ for (i = 0; i < sym_num_devs; i++) {
+ chip = &sym_dev_table[i];
if (device_id != chip->device_id)
continue;
if (revision > chip->revision_id)
return chip;
}
- return 0;
+ return NULL;
}
#if SYM_CONF_DMA_ADDRESSING_MODE == 2
* This is only used if the direct mapping
* has been unsuccessful.
*/
-int sym_lookup_dmap(hcb_p np, u32 h, int s)
+int sym_lookup_dmap(struct sym_hcb *np, u32 h, int s)
{
int i;
* Update IO registers scratch C..R so they will be
* in sync. with queued CCB expectations.
*/
-static void sym_update_dmap_regs(hcb_p np)
+static void sym_update_dmap_regs(struct sym_hcb *np)
{
int o, i;
return;
o = offsetof(struct sym_reg, nc_scrx[0]);
for (i = 0; i < SYM_DMAP_SIZE; i++) {
- OUTL_OFF(o, np->dmap_bah[i]);
+ OUTL_OFF(np, o, np->dmap_bah[i]);
o += 4;
}
np->dmap_dirty = 0;
}
#endif
+/* Enforce all the fiddly SPI rules and the chip limitations */
+static void sym_check_goals(struct sym_hcb *np, struct scsi_target *starget,
+ struct sym_trans *goal)
+{
+ if (!spi_support_wide(starget))
+ goal->width = 0;
+
+ if (!spi_support_sync(starget)) {
+ goal->iu = 0;
+ goal->dt = 0;
+ goal->qas = 0;
+ goal->offset = 0;
+ return;
+ }
+
+ if (spi_support_dt(starget)) {
+ if (spi_support_dt_only(starget))
+ goal->dt = 1;
+
+ if (goal->offset == 0)
+ goal->dt = 0;
+ } else {
+ goal->dt = 0;
+ }
+
+ /* Some targets fail to properly negotiate DT in SE mode */
+ if ((np->scsi_mode != SMODE_LVD) || !(np->features & FE_U3EN))
+ goal->dt = 0;
+
+ if (goal->dt) {
+ /* all DT transfers must be wide */
+ goal->width = 1;
+ if (goal->offset > np->maxoffs_dt)
+ goal->offset = np->maxoffs_dt;
+ if (goal->period < np->minsync_dt)
+ goal->period = np->minsync_dt;
+ if (goal->period > np->maxsync_dt)
+ goal->period = np->maxsync_dt;
+ } else {
+ goal->iu = goal->qas = 0;
+ if (goal->offset > np->maxoffs)
+ goal->offset = np->maxoffs;
+ if (goal->period < np->minsync)
+ goal->period = np->minsync;
+ if (goal->period > np->maxsync)
+ goal->period = np->maxsync;
+ }
+}
+
/*
* Prepare the next negotiation message if needed.
*
* negotiation and the nego_status field of the CCB.
* Returns the size of the message in bytes.
*/
-static int sym_prepare_nego(hcb_p np, ccb_p cp, int nego, u_char *msgptr)
+static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgptr)
{
- tcb_p tp = &np->target[cp->target];
+ struct sym_tcb *tp = &np->target[cp->target];
+ struct scsi_target *starget = tp->starget;
+ struct sym_trans *goal = &tp->tgoal;
int msglen = 0;
+ int nego;
+
+ sym_check_goals(np, starget, goal);
/*
- * Early C1010 chips need a work-around for DT
- * data transfer to work.
- */
- if (!(np->features & FE_U3EN))
- tp->tinfo.goal.options = 0;
- /*
- * negotiate using PPR ?
+ * Many devices implement PPR in a buggy way, so only use it if we
+ * really want to.
*/
- if (tp->tinfo.goal.options & PPR_OPT_MASK)
+ if (goal->offset &&
+ (goal->iu || goal->dt || goal->qas || (goal->period < 0xa))) {
nego = NS_PPR;
- /*
- * negotiate wide transfers ?
- */
- else if (tp->tinfo.curr.width != tp->tinfo.goal.width)
+ } else if (spi_width(starget) != goal->width) {
nego = NS_WIDE;
- /*
- * negotiate synchronous transfers?
- */
- else if (tp->tinfo.curr.period != tp->tinfo.goal.period ||
- tp->tinfo.curr.offset != tp->tinfo.goal.offset)
+ } else if (spi_period(starget) != goal->period ||
+ spi_offset(starget) != goal->offset) {
nego = NS_SYNC;
+ } else {
+ goal->check_nego = 0;
+ nego = 0;
+ }
switch (nego) {
case NS_SYNC:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 3;
- msgptr[msglen++] = M_X_SYNC_REQ;
- msgptr[msglen++] = tp->tinfo.goal.period;
- msgptr[msglen++] = tp->tinfo.goal.offset;
+ msglen += spi_populate_sync_msg(msgptr + msglen, goal->period,
+ goal->offset);
break;
case NS_WIDE:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 2;
- msgptr[msglen++] = M_X_WIDE_REQ;
- msgptr[msglen++] = tp->tinfo.goal.width;
+ msglen += spi_populate_width_msg(msgptr + msglen, goal->width);
break;
case NS_PPR:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 6;
- msgptr[msglen++] = M_X_PPR_REQ;
- msgptr[msglen++] = tp->tinfo.goal.period;
- msgptr[msglen++] = 0;
- msgptr[msglen++] = tp->tinfo.goal.offset;
- msgptr[msglen++] = tp->tinfo.goal.width;
- msgptr[msglen++] = tp->tinfo.goal.options & PPR_OPT_DT;
+ msglen += spi_populate_ppr_msg(msgptr + msglen, goal->period,
+ goal->offset, goal->width,
+ (goal->iu ? PPR_OPT_IU : 0) |
+ (goal->dt ? PPR_OPT_DT : 0) |
+ (goal->qas ? PPR_OPT_QAS : 0));
break;
- };
+ }
cp->nego_status = nego;
nego == NS_SYNC ? "sync msgout" :
nego == NS_WIDE ? "wide msgout" :
"ppr msgout", msgptr);
- };
- };
+ }
+ }
return msglen;
}
/*
* Insert a job into the start queue.
*/
-void sym_put_start_queue(hcb_p np, ccb_p cp)
+void sym_put_start_queue(struct sym_hcb *np, struct sym_ccb *cp)
{
u_short qidx;
cp->host_xflags |= HX_DMAP_DIRTY;
#endif
- /*
- * Optionnaly, set the IO timeout condition.
- */
-#ifdef SYM_OPT_HANDLE_IO_TIMEOUT
- sym_timeout_ccb(np, cp, sym_cam_timeout(cp->cam_ccb));
-#endif
-
/*
* Insert first the idle task and then our job.
* The MBs should ensure proper ordering.
* Wake it up.
*/
MEMORY_WRITE_BARRIER();
- OUTB (nc_istat, SIGP|np->istat_sem);
+ OUTB(np, nc_istat, SIGP|np->istat_sem);
}
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
/*
* Start next ready-to-start CCBs.
*/
-void sym_start_next_ccbs(hcb_p np, lcb_p lp, int maxn)
+void sym_start_next_ccbs(struct sym_hcb *np, struct sym_lcb *lp, int maxn)
{
SYM_QUEHEAD *qp;
- ccb_p cp;
+ struct sym_ccb *cp;
/*
* Paranoia, as usual. :-)
}
lp->itlq_tbl[cp->tag] = cpu_to_scr(cp->ccb_ba);
lp->head.resel_sa =
- cpu_to_scr(SCRIPTA_BA (np, resel_tag));
+ cpu_to_scr(SCRIPTA_BA(np, resel_tag));
++lp->started_tags;
} else {
if (lp->started_no_tag || lp->started_tags) {
}
lp->head.itl_task_sa = cpu_to_scr(cp->ccb_ba);
lp->head.resel_sa =
- cpu_to_scr(SCRIPTA_BA (np, resel_no_tag));
+ cpu_to_scr(SCRIPTA_BA(np, resel_no_tag));
++lp->started_no_tag;
}
cp->started = 1;
* prevent out of order LOADs by the CPU from having
* prefetched stale data prior to DMA having occurred.
*/
-static int sym_wakeup_done (hcb_p np)
+static int sym_wakeup_done (struct sym_hcb *np)
{
- ccb_p cp;
+ struct sym_ccb *cp;
int i, n;
u32 dsa;
return n;
}
+/*
+ * Complete all CCBs queued to the COMP queue.
+ *
+ * These CCBs are assumed:
+ * - Not to be referenced either by devices or
+ * SCRIPTS-related queues and datas.
+ * - To have to be completed with an error condition
+ * or requeued.
+ *
+ * The device queue freeze count is incremented
+ * for each CCB that does not prevent this.
+ * This function is called when all CCBs involved
+ * in error handling/recovery have been reaped.
+ */
+static void sym_flush_comp_queue(struct sym_hcb *np, int cam_status)
+{
+ SYM_QUEHEAD *qp;
+ struct sym_ccb *cp;
+
+ while ((qp = sym_remque_head(&np->comp_ccbq)) != 0) {
+ struct scsi_cmnd *cmd;
+ cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
+ sym_insque_tail(&cp->link_ccbq, &np->busy_ccbq);
+ /* Leave quiet CCBs waiting for resources */
+ if (cp->host_status == HS_WAIT)
+ continue;
+ cmd = cp->cmd;
+ if (cam_status)
+ sym_set_cam_status(cmd, cam_status);
+#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
+ if (sym_get_cam_status(cmd) == DID_SOFT_ERROR) {
+ struct sym_tcb *tp = &np->target[cp->target];
+ struct sym_lcb *lp = sym_lp(tp, cp->lun);
+ if (lp) {
+ sym_remque(&cp->link2_ccbq);
+ sym_insque_tail(&cp->link2_ccbq,
+ &lp->waiting_ccbq);
+ if (cp->started) {
+ if (cp->tag != NO_TAG)
+ --lp->started_tags;
+ else
+ --lp->started_no_tag;
+ }
+ }
+ cp->started = 0;
+ continue;
+ }
+#endif
+ sym_free_ccb(np, cp);
+ sym_xpt_done(np, cmd);
+ }
+}
+
/*
* Complete all active CCBs with error.
* Used on CHIP/SCSI RESET.
*/
-static void sym_flush_busy_queue (hcb_p np, int cam_status)
+static void sym_flush_busy_queue (struct sym_hcb *np, int cam_status)
{
/*
* Move all active CCBs to the COMP queue
* 1: SCSI BUS RESET delivered or received.
* 2: SCSI BUS MODE changed.
*/
-void sym_start_up (hcb_p np, int reason)
+void sym_start_up (struct sym_hcb *np, int reason)
{
int i;
u32 phys;
if (reason == 1)
sym_soft_reset(np);
else {
- OUTB (nc_stest3, TE|CSF);
- OUTONB (nc_ctest3, CLF);
+ OUTB(np, nc_stest3, TE|CSF);
+ OUTONB(np, nc_ctest3, CLF);
}
/*
/*
* Wakeup all pending jobs.
*/
- sym_flush_busy_queue(np, CAM_SCSI_BUS_RESET);
+ sym_flush_busy_queue(np, DID_RESET);
/*
* Init chip.
*/
- OUTB (nc_istat, 0x00 ); /* Remove Reset, abort */
- UDELAY (2000); /* The 895 needs time for the bus mode to settle */
+ OUTB(np, nc_istat, 0x00); /* Remove Reset, abort */
+ INB(np, nc_mbox1);
+ udelay(2000); /* The 895 needs time for the bus mode to settle */
- OUTB (nc_scntl0, np->rv_scntl0 | 0xc0);
+ OUTB(np, nc_scntl0, np->rv_scntl0 | 0xc0);
/* full arb., ena parity, par->ATN */
- OUTB (nc_scntl1, 0x00); /* odd parity, and remove CRST!! */
+ OUTB(np, nc_scntl1, 0x00); /* odd parity, and remove CRST!! */
sym_selectclock(np, np->rv_scntl3); /* Select SCSI clock */
- OUTB (nc_scid , RRE|np->myaddr); /* Adapter SCSI address */
- OUTW (nc_respid, 1ul<<np->myaddr); /* Id to respond to */
- OUTB (nc_istat , SIGP ); /* Signal Process */
- OUTB (nc_dmode , np->rv_dmode); /* Burst length, dma mode */
- OUTB (nc_ctest5, np->rv_ctest5); /* Large fifo + large burst */
+ OUTB(np, nc_scid , RRE|np->myaddr); /* Adapter SCSI address */
+ OUTW(np, nc_respid, 1ul<<np->myaddr); /* Id to respond to */
+ OUTB(np, nc_istat , SIGP ); /* Signal Process */
+ OUTB(np, nc_dmode , np->rv_dmode); /* Burst length, dma mode */
+ OUTB(np, nc_ctest5, np->rv_ctest5); /* Large fifo + large burst */
- OUTB (nc_dcntl , NOCOM|np->rv_dcntl); /* Protect SFBR */
- OUTB (nc_ctest3, np->rv_ctest3); /* Write and invalidate */
- OUTB (nc_ctest4, np->rv_ctest4); /* Master parity checking */
+ OUTB(np, nc_dcntl , NOCOM|np->rv_dcntl); /* Protect SFBR */
+ OUTB(np, nc_ctest3, np->rv_ctest3); /* Write and invalidate */
+ OUTB(np, nc_ctest4, np->rv_ctest4); /* Master parity checking */
/* Extended Sreq/Sack filtering not supported on the C10 */
if (np->features & FE_C10)
- OUTB (nc_stest2, np->rv_stest2);
+ OUTB(np, nc_stest2, np->rv_stest2);
else
- OUTB (nc_stest2, EXT|np->rv_stest2);
+ OUTB(np, nc_stest2, EXT|np->rv_stest2);
- OUTB (nc_stest3, TE); /* TolerANT enable */
- OUTB (nc_stime0, 0x0c); /* HTH disabled STO 0.25 sec */
+ OUTB(np, nc_stest3, TE); /* TolerANT enable */
+ OUTB(np, nc_stime0, 0x0c); /* HTH disabled STO 0.25 sec */
/*
* For now, disable AIP generation on C1010-66.
*/
- if (np->device_id == PCI_ID_LSI53C1010_66)
- OUTB (nc_aipcntl1, DISAIP);
+ if (np->device_id == PCI_DEVICE_ID_LSI_53C1010_66)
+ OUTB(np, nc_aipcntl1, DISAIP);
/*
* C10101 rev. 0 errata.
* that from SCRIPTS for each selection/reselection, but
* I just don't want. :)
*/
- if (np->device_id == PCI_ID_LSI53C1010_33 &&
+ if (np->device_id == PCI_DEVICE_ID_LSI_53C1010_33 &&
np->revision_id < 1)
- OUTB (nc_stest1, INB(nc_stest1) | 0x30);
+ OUTB(np, nc_stest1, INB(np, nc_stest1) | 0x30);
/*
* DEL 441 - 53C876 Rev 5 - Part Number 609-0392787/2788 - ITEM 2.
* Disable overlapped arbitration for some dual function devices,
* regardless revision id (kind of post-chip-design feature. ;-))
*/
- if (np->device_id == PCI_ID_SYM53C875)
- OUTB (nc_ctest0, (1<<5));
- else if (np->device_id == PCI_ID_SYM53C896)
+ if (np->device_id == PCI_DEVICE_ID_NCR_53C875)
+ OUTB(np, nc_ctest0, (1<<5));
+ else if (np->device_id == PCI_DEVICE_ID_NCR_53C896)
np->rv_ccntl0 |= DPR;
/*
* seem to support those IO registers.
*/
if (np->features & (FE_DAC|FE_NOPM)) {
- OUTB (nc_ccntl0, np->rv_ccntl0);
- OUTB (nc_ccntl1, np->rv_ccntl1);
+ OUTB(np, nc_ccntl0, np->rv_ccntl0);
+ OUTB(np, nc_ccntl1, np->rv_ccntl1);
}
#if SYM_CONF_DMA_ADDRESSING_MODE == 2
*/
if (np->use_dac) {
np->dmap_bah[0] = 0; /* ??? */
- OUTL (nc_scrx[0], np->dmap_bah[0]);
- OUTL (nc_drs, np->dmap_bah[0]);
+ OUTL(np, nc_scrx[0], np->dmap_bah[0]);
+ OUTL(np, nc_drs, np->dmap_bah[0]);
}
#endif
* set PM jump addresses.
*/
if (np->features & FE_NOPM) {
- OUTL (nc_pmjad1, SCRIPTB_BA (np, pm_handle));
- OUTL (nc_pmjad2, SCRIPTB_BA (np, pm_handle));
+ OUTL(np, nc_pmjad1, SCRIPTB_BA(np, pm_handle));
+ OUTL(np, nc_pmjad2, SCRIPTB_BA(np, pm_handle));
}
/*
* Also set GPIO5 and clear GPIO6 if hardware LED control.
*/
if (np->features & FE_LED0)
- OUTB(nc_gpcntl, INB(nc_gpcntl) & ~0x01);
+ OUTB(np, nc_gpcntl, INB(np, nc_gpcntl) & ~0x01);
else if (np->features & FE_LEDC)
- OUTB(nc_gpcntl, (INB(nc_gpcntl) & ~0x41) | 0x20);
+ OUTB(np, nc_gpcntl, (INB(np, nc_gpcntl) & ~0x41) | 0x20);
/*
* enable ints
*/
- OUTW (nc_sien , STO|HTH|MA|SGE|UDC|RST|PAR);
- OUTB (nc_dien , MDPE|BF|SSI|SIR|IID);
+ OUTW(np, nc_sien , STO|HTH|MA|SGE|UDC|RST|PAR);
+ OUTB(np, nc_dien , MDPE|BF|SSI|SIR|IID);
/*
* For 895/6 enable SBMC interrupt and save current SCSI bus mode.
* we reset the chip but not the SCSI BUS (at initialization).
*/
if (np->features & (FE_ULTRA2|FE_ULTRA3)) {
- OUTONW (nc_sien, SBMC);
+ OUTONW(np, nc_sien, SBMC);
if (reason == 0) {
- MDELAY(100);
- INW (nc_sist);
+ INB(np, nc_mbox1);
+ mdelay(100);
+ INW(np, nc_sist);
}
- np->scsi_mode = INB (nc_stest4) & SMODE;
+ np->scsi_mode = INB(np, nc_stest4) & SMODE;
}
/*
* Prepare sync negotiation according to actual SCSI bus mode.
*/
for (i=0;i<SYM_CONF_MAX_TARGET;i++) {
- tcb_p tp = &np->target[i];
+ struct sym_tcb *tp = &np->target[i];
tp->to_reset = 0;
tp->head.sval = 0;
tp->head.wval = np->rv_scntl3;
tp->head.uval = 0;
-
- tp->tinfo.curr.period = 0;
- tp->tinfo.curr.offset = 0;
- tp->tinfo.curr.width = BUS_8_BIT;
- tp->tinfo.curr.options = 0;
}
/*
* For platforms that may not support PCI memory mapping,
* we use simple SCRIPTS that performs MEMORY MOVEs.
*/
+ phys = SCRIPTA_BA(np, init);
if (np->ram_ba) {
if (sym_verbose >= 2)
- printf ("%s: Downloading SCSI SCRIPTS.\n",
- sym_name(np));
+ printf("%s: Downloading SCSI SCRIPTS.\n", sym_name(np));
+ memcpy_toio(np->s.ramaddr, np->scripta0, np->scripta_sz);
if (np->ram_ws == 8192) {
- OUTRAM_OFF(4096, np->scriptb0, np->scriptb_sz);
- phys = scr_to_cpu(np->scr_ram_seg);
- OUTL (nc_mmws, phys);
- OUTL (nc_mmrs, phys);
- OUTL (nc_sfs, phys);
- phys = SCRIPTB_BA (np, start64);
+ memcpy_toio(np->s.ramaddr + 4096, np->scriptb0, np->scriptb_sz);
+ phys = scr_to_cpu(np->scr_ram_seg);
+ OUTL(np, nc_mmws, phys);
+ OUTL(np, nc_mmrs, phys);
+ OUTL(np, nc_sfs, phys);
+ phys = SCRIPTB_BA(np, start64);
}
- else
- phys = SCRIPTA_BA (np, init);
- OUTRAM_OFF(0, np->scripta0, np->scripta_sz);
}
- else
- phys = SCRIPTA_BA (np, init);
np->istat_sem = 0;
- OUTL (nc_dsa, np->hcb_ba);
- OUTL_DSP (phys);
+ OUTL(np, nc_dsa, np->hcb_ba);
+ OUTL_DSP(np, phys);
/*
* Notify the XPT about the RESET condition.
}
/*
- * Switch trans mode for current job and it's target.
+ * Switch trans mode for current job and its target.
*/
-static void sym_settrans(hcb_p np, int target, u_char dt, u_char ofs,
+static void sym_settrans(struct sym_hcb *np, int target, u_char opts, u_char ofs,
u_char per, u_char wide, u_char div, u_char fak)
{
SYM_QUEHEAD *qp;
u_char sval, wval, uval;
- tcb_p tp = &np->target[target];
+ struct sym_tcb *tp = &np->target[target];
- assert(target == (INB (nc_sdid) & 0x0f));
+ assert(target == (INB(np, nc_sdid) & 0x0f));
sval = tp->head.sval;
wval = tp->head.wval;
*/
if (np->features & FE_C10) {
uval = uval & ~(U3EN|AIPCKEN);
- if (dt) {
+ if (opts) {
assert(np->features & FE_U3EN);
uval |= U3EN;
}
- }
- else {
+ } else {
wval = wval & ~ULTRA;
if (per <= 12) wval |= ULTRA;
}
* Not supported on the C1010.
*/
if (per < 50 && !(np->features & FE_C10))
- OUTOFFB (nc_stest2, EXT);
+ OUTOFFB(np, nc_stest2, EXT);
/*
* set actual value and sync_status
*/
- OUTB (nc_sxfer, tp->head.sval);
- OUTB (nc_scntl3, tp->head.wval);
+ OUTB(np, nc_sxfer, tp->head.sval);
+ OUTB(np, nc_scntl3, tp->head.wval);
if (np->features & FE_C10) {
- OUTB (nc_scntl4, tp->head.uval);
+ OUTB(np, nc_scntl4, tp->head.uval);
}
/*
* patch ALL busy ccbs of this target.
*/
FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
- ccb_p cp;
+ struct sym_ccb *cp;
cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
if (cp->target != target)
continue;
* We received a WDTR.
* Let everything be aware of the changes.
*/
-static void sym_setwide(hcb_p np, int target, u_char wide)
+static void sym_setwide(struct sym_hcb *np, int target, u_char wide)
{
- tcb_p tp = &np->target[target];
+ struct sym_tcb *tp = &np->target[target];
+ struct scsi_target *starget = tp->starget;
+
+ if (spi_width(starget) == wide)
+ return;
sym_settrans(np, target, 0, 0, 0, wide, 0, 0);
- tp->tinfo.goal.width = tp->tinfo.curr.width = wide;
- tp->tinfo.curr.offset = 0;
- tp->tinfo.curr.period = 0;
- tp->tinfo.curr.options = 0;
+ tp->tgoal.width = wide;
+ spi_offset(starget) = 0;
+ spi_period(starget) = 0;
+ spi_width(starget) = wide;
+ spi_iu(starget) = 0;
+ spi_dt(starget) = 0;
+ spi_qas(starget) = 0;
- sym_xpt_async_nego_wide(np, target);
+ if (sym_verbose >= 3)
+ spi_display_xfer_agreement(starget);
}
/*
* Let everything be aware of the changes.
*/
static void
-sym_setsync(hcb_p np, int target,
+sym_setsync(struct sym_hcb *np, int target,
u_char ofs, u_char per, u_char div, u_char fak)
{
- tcb_p tp = &np->target[target];
+ struct sym_tcb *tp = &np->target[target];
+ struct scsi_target *starget = tp->starget;
u_char wide = (tp->head.wval & EWS) ? BUS_16_BIT : BUS_8_BIT;
sym_settrans(np, target, 0, ofs, per, wide, div, fak);
- tp->tinfo.curr.period = per;
- tp->tinfo.curr.offset = ofs;
- tp->tinfo.curr.options = 0;
+ spi_period(starget) = per;
+ spi_offset(starget) = ofs;
+ spi_iu(starget) = spi_dt(starget) = spi_qas(starget) = 0;
- if (!(tp->tinfo.goal.options & PPR_OPT_MASK)) {
- tp->tinfo.goal.period = per;
- tp->tinfo.goal.offset = ofs;
- tp->tinfo.goal.options = 0;
+ if (!tp->tgoal.dt && !tp->tgoal.iu && !tp->tgoal.qas) {
+ tp->tgoal.period = per;
+ tp->tgoal.offset = ofs;
+ tp->tgoal.check_nego = 0;
}
- sym_xpt_async_nego_sync(np, target);
+ spi_display_xfer_agreement(starget);
}
/*
* Let everything be aware of the changes.
*/
static void
-sym_setpprot(hcb_p np, int target, u_char dt, u_char ofs,
+sym_setpprot(struct sym_hcb *np, int target, u_char opts, u_char ofs,
u_char per, u_char wide, u_char div, u_char fak)
{
- tcb_p tp = &np->target[target];
+ struct sym_tcb *tp = &np->target[target];
+ struct scsi_target *starget = tp->starget;
- sym_settrans(np, target, dt, ofs, per, wide, div, fak);
+ sym_settrans(np, target, opts, ofs, per, wide, div, fak);
- tp->tinfo.goal.width = tp->tinfo.curr.width = wide;
- tp->tinfo.goal.period = tp->tinfo.curr.period = per;
- tp->tinfo.goal.offset = tp->tinfo.curr.offset = ofs;
- tp->tinfo.goal.options = tp->tinfo.curr.options = dt;
+ spi_width(starget) = tp->tgoal.width = wide;
+ spi_period(starget) = tp->tgoal.period = per;
+ spi_offset(starget) = tp->tgoal.offset = ofs;
+ spi_iu(starget) = tp->tgoal.iu = !!(opts & PPR_OPT_IU);
+ spi_dt(starget) = tp->tgoal.dt = !!(opts & PPR_OPT_DT);
+ spi_qas(starget) = tp->tgoal.qas = !!(opts & PPR_OPT_QAS);
+ tp->tgoal.check_nego = 0;
- sym_xpt_async_nego_ppr(np, target);
+ spi_display_xfer_agreement(starget);
}
/*
* pushes a DSA into a queue, we can trust it when it
* points to a CCB.
*/
-static void sym_recover_scsi_int (hcb_p np, u_char hsts)
+static void sym_recover_scsi_int (struct sym_hcb *np, u_char hsts)
{
- u32 dsp = INL (nc_dsp);
- u32 dsa = INL (nc_dsa);
- ccb_p cp = sym_ccb_from_dsa(np, dsa);
+ u32 dsp = INL(np, nc_dsp);
+ u32 dsa = INL(np, nc_dsa);
+ struct sym_ccb *cp = sym_ccb_from_dsa(np, dsa);
/*
* If we haven't been interrupted inside the SCRIPTS
* critical pathes, we can safely restart the SCRIPTS
* and trust the DSA value if it matches a CCB.
*/
- if ((!(dsp > SCRIPTA_BA (np, getjob_begin) &&
- dsp < SCRIPTA_BA (np, getjob_end) + 1)) &&
- (!(dsp > SCRIPTA_BA (np, ungetjob) &&
- dsp < SCRIPTA_BA (np, reselect) + 1)) &&
- (!(dsp > SCRIPTB_BA (np, sel_for_abort) &&
- dsp < SCRIPTB_BA (np, sel_for_abort_1) + 1)) &&
- (!(dsp > SCRIPTA_BA (np, done) &&
- dsp < SCRIPTA_BA (np, done_end) + 1))) {
- OUTB (nc_ctest3, np->rv_ctest3 | CLF); /* clear dma fifo */
- OUTB (nc_stest3, TE|CSF); /* clear scsi fifo */
+ if ((!(dsp > SCRIPTA_BA(np, getjob_begin) &&
+ dsp < SCRIPTA_BA(np, getjob_end) + 1)) &&
+ (!(dsp > SCRIPTA_BA(np, ungetjob) &&
+ dsp < SCRIPTA_BA(np, reselect) + 1)) &&
+ (!(dsp > SCRIPTB_BA(np, sel_for_abort) &&
+ dsp < SCRIPTB_BA(np, sel_for_abort_1) + 1)) &&
+ (!(dsp > SCRIPTA_BA(np, done) &&
+ dsp < SCRIPTA_BA(np, done_end) + 1))) {
+ OUTB(np, nc_ctest3, np->rv_ctest3 | CLF); /* clear dma fifo */
+ OUTB(np, nc_stest3, TE|CSF); /* clear scsi fifo */
/*
* If we have a CCB, let the SCRIPTS call us back for
* the handling of the error with SCRATCHA filled with
*/
if (cp) {
cp->host_status = hsts;
- OUTL_DSP (SCRIPTA_BA (np, complete_error));
+ OUTL_DSP(np, SCRIPTA_BA(np, complete_error));
}
/*
* Otherwise just restart the SCRIPTS.
*/
else {
- OUTL (nc_dsa, 0xffffff);
- OUTL_DSP (SCRIPTA_BA (np, start));
+ OUTL(np, nc_dsa, 0xffffff);
+ OUTL_DSP(np, SCRIPTA_BA(np, start));
}
}
else
/*
* chip exception handler for selection timeout
*/
-static void sym_int_sto (hcb_p np)
+static void sym_int_sto (struct sym_hcb *np)
{
- u32 dsp = INL (nc_dsp);
+ u32 dsp = INL(np, nc_dsp);
if (DEBUG_FLAGS & DEBUG_TINY) printf ("T");
- if (dsp == SCRIPTA_BA (np, wf_sel_done) + 8)
+ if (dsp == SCRIPTA_BA(np, wf_sel_done) + 8)
sym_recover_scsi_int(np, HS_SEL_TIMEOUT);
else
sym_start_reset(np);
/*
* chip exception handler for unexpected disconnect
*/
-static void sym_int_udc (hcb_p np)
+static void sym_int_udc (struct sym_hcb *np)
{
printf ("%s: unexpected disconnect\n", sym_name(np));
sym_recover_scsi_int(np, HS_UNEXPECTED);
* mode to eight bit asynchronous, etc...
* So, just reinitializing all except chip should be enough.
*/
-static void sym_int_sbmc (hcb_p np)
+static void sym_int_sbmc (struct sym_hcb *np)
{
- u_char scsi_mode = INB (nc_stest4) & SMODE;
+ u_char scsi_mode = INB(np, nc_stest4) & SMODE;
/*
* Notify user.
* The chip will load the DSP with the phase mismatch
* JUMP address and interrupt the host processor.
*/
-static void sym_int_par (hcb_p np, u_short sist)
+static void sym_int_par (struct sym_hcb *np, u_short sist)
{
- u_char hsts = INB (HS_PRT);
- u32 dsp = INL (nc_dsp);
- u32 dbc = INL (nc_dbc);
- u32 dsa = INL (nc_dsa);
- u_char sbcl = INB (nc_sbcl);
+ u_char hsts = INB(np, HS_PRT);
+ u32 dsp = INL(np, nc_dsp);
+ u32 dbc = INL(np, nc_dbc);
+ u32 dsa = INL(np, nc_dsa);
+ u_char sbcl = INB(np, nc_sbcl);
u_char cmd = dbc >> 24;
int phase = cmd & 7;
- ccb_p cp = sym_ccb_from_dsa(np, dsa);
+ struct sym_ccb *cp = sym_ccb_from_dsa(np, dsa);
printf("%s: SCSI parity error detected: SCR1=%d DBC=%x SBCL=%x\n",
sym_name(np), hsts, dbc, sbcl);
/*
* Check that the chip is connected to the SCSI BUS.
*/
- if (!(INB (nc_scntl1) & ISCON)) {
+ if (!(INB(np, nc_scntl1) & ISCON)) {
sym_recover_scsi_int(np, HS_UNEXPECTED);
return;
}
/*
* Keep track of the parity error.
*/
- OUTONB (HF_PRT, HF_EXT_ERR);
+ OUTONB(np, HF_PRT, HF_EXT_ERR);
cp->xerr_status |= XE_PARITY_ERR;
/*
*/
if (phase == 1 || phase == 5) {
/* Phase mismatch handled by SCRIPTS */
- if (dsp == SCRIPTB_BA (np, pm_handle))
- OUTL_DSP (dsp);
+ if (dsp == SCRIPTB_BA(np, pm_handle))
+ OUTL_DSP(np, dsp);
/* Phase mismatch handled by the C code */
else if (sist & MA)
sym_int_ma (np);
/* No phase mismatch occurred */
else {
sym_set_script_dp (np, cp, dsp);
- OUTL_DSP (SCRIPTA_BA (np, dispatch));
+ OUTL_DSP(np, SCRIPTA_BA(np, dispatch));
}
}
else if (phase == 7) /* We definitely cannot handle parity errors */
#if 1 /* in message-in phase due to the relection */
goto reset_all; /* path and various message anticipations. */
#else
- OUTL_DSP (SCRIPTA_BA (np, clrack));
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
#endif
else
- OUTL_DSP (SCRIPTA_BA (np, dispatch));
+ OUTL_DSP(np, SCRIPTA_BA(np, dispatch));
return;
reset_all:
* We have to construct a new transfer descriptor,
* to transfer the rest of the current block.
*/
-static void sym_int_ma (hcb_p np)
+static void sym_int_ma (struct sym_hcb *np)
{
u32 dbc;
u32 rest;
u_char cmd;
u_char hflags, hflags0;
struct sym_pmc *pm;
- ccb_p cp;
+ struct sym_ccb *cp;
- dsp = INL (nc_dsp);
- dbc = INL (nc_dbc);
- dsa = INL (nc_dsa);
+ dsp = INL(np, nc_dsp);
+ dbc = INL(np, nc_dbc);
+ dsa = INL(np, nc_dsa);
cmd = dbc >> 24;
rest = dbc & 0xffffff;
u_char ss0, ss2;
if (np->features & FE_DFBC)
- delta = INW (nc_dfbc);
+ delta = INW(np, nc_dfbc);
else {
u32 dfifo;
/*
* Read DFIFO, CTEST[4-6] using 1 PCI bus ownership.
*/
- dfifo = INL(nc_dfifo);
+ dfifo = INL(np, nc_dfifo);
/*
* Calculate remaining bytes in DMA fifo.
* Check the sstat2 register in case of wide transfer.
*/
rest += delta;
- ss0 = INB (nc_sstat0);
+ ss0 = INB(np, nc_sstat0);
if (ss0 & OLF) rest++;
if (!(np->features & FE_C10))
if (ss0 & ORF) rest++;
if (cp && (cp->phys.select.sel_scntl3 & EWS)) {
- ss2 = INB (nc_sstat2);
+ ss2 = INB(np, nc_sstat2);
if (ss2 & OLF1) rest++;
if (!(np->features & FE_C10))
if (ss2 & ORF1) rest++;
- };
+ }
/*
* Clear fifos.
*/
- OUTB (nc_ctest3, np->rv_ctest3 | CLF); /* dma fifo */
- OUTB (nc_stest3, TE|CSF); /* scsi fifo */
+ OUTB(np, nc_ctest3, np->rv_ctest3 | CLF); /* dma fifo */
+ OUTB(np, nc_stest3, TE|CSF); /* scsi fifo */
}
/*
* log the information
*/
if (DEBUG_FLAGS & (DEBUG_TINY|DEBUG_PHASE))
- printf ("P%x%x RL=%d D=%d ", cmd&7, INB(nc_sbcl)&7,
+ printf ("P%x%x RL=%d D=%d ", cmd&7, INB(np, nc_sbcl)&7,
(unsigned) rest, (unsigned) delta);
/*
* try to find the interrupted script command,
* and the address at which to continue.
*/
- vdsp = 0;
+ vdsp = NULL;
nxtdsp = 0;
if (dsp > np->scripta_ba &&
dsp <= np->scripta_ba + np->scripta_sz) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
printf ("\nCP=%p DSP=%x NXT=%x VDSP=%p CMD=%x ",
cp, (unsigned)dsp, (unsigned)nxtdsp, vdsp, cmd);
- };
+ }
if (!vdsp) {
printf ("%s: interrupted SCRIPT address not found.\n",
} else {
tblp = (u32 *) 0;
olen = scr_to_cpu(vdsp[0]) & 0xffffff;
- };
+ }
if (DEBUG_FLAGS & DEBUG_PHASE) {
printf ("OCMD=%x\nTBLP=%p OLEN=%x OADR=%x\n",
tblp,
(unsigned) olen,
(unsigned) oadr);
- };
+ }
/*
* check cmd against assumed interrupted script command.
* the phase.
*/
if (((cmd & 2) ? cmd : (cmd & ~4)) != (scr_to_cpu(vdsp[0]) >> 24)) {
- PRINT_ADDR(cp);
- printf ("internal error: cmd=%02x != %02x=(vdsp[0] >> 24)\n",
- (unsigned)cmd, (unsigned)scr_to_cpu(vdsp[0]) >> 24);
+ sym_print_addr(cp->cmd,
+ "internal error: cmd=%02x != %02x=(vdsp[0] >> 24)\n",
+ cmd, scr_to_cpu(vdsp[0]) >> 24);
goto reset_all;
- };
+ }
/*
* if old phase not dataphase, leave here.
*/
if (cmd & 2) {
- PRINT_ADDR(cp);
- printf ("phase change %x-%x %d@%08x resid=%d.\n",
- cmd&7, INB(nc_sbcl)&7, (unsigned)olen,
+ sym_print_addr(cp->cmd,
+ "phase change %x-%x %d@%08x resid=%d.\n",
+ cmd&7, INB(np, nc_sbcl)&7, (unsigned)olen,
(unsigned)oadr, (unsigned)rest);
goto unexpected_phase;
- };
+ }
/*
* Choose the correct PM save area.
* SCRIPTS for the 895A, 896 and 1010 that are able to
* handle PM from the SCRIPTS processor.
*/
- hflags0 = INB (HF_PRT);
+ hflags0 = INB(np, HF_PRT);
hflags = hflags0;
if (hflags & (HF_IN_PM0 | HF_IN_PM1 | HF_DP_SAVED)) {
if (!(hflags & HF_ACT_PM)) {
pm = &cp->phys.pm0;
- newcmd = SCRIPTA_BA (np, pm0_data);
+ newcmd = SCRIPTA_BA(np, pm0_data);
}
else {
pm = &cp->phys.pm1;
- newcmd = SCRIPTA_BA (np, pm1_data);
+ newcmd = SCRIPTA_BA(np, pm1_data);
}
hflags &= ~(HF_IN_PM0 | HF_IN_PM1 | HF_DP_SAVED);
if (hflags != hflags0)
- OUTB (HF_PRT, hflags);
+ OUTB(np, HF_PRT, hflags);
/*
* fillin the phase mismatch context
* - compute the SCRIPTS address to restart from,
* - move current data pointer context by one byte.
*/
- nxtdsp = SCRIPTA_BA (np, dispatch);
+ nxtdsp = SCRIPTA_BA(np, dispatch);
if ((cmd & 7) == 1 && cp && (cp->phys.select.sel_scntl3 & EWS) &&
- (INB (nc_scntl2) & WSR)) {
+ (INB(np, nc_scntl2) & WSR)) {
u32 tmp;
/*
* Prepare the address of SCRIPTS that will
* move the residual byte to memory.
*/
- nxtdsp = SCRIPTB_BA (np, wsr_ma_helper);
+ nxtdsp = SCRIPTB_BA(np, wsr_ma_helper);
}
if (DEBUG_FLAGS & DEBUG_PHASE) {
- PRINT_ADDR(cp);
- printf ("PM %x %x %x / %x %x %x.\n",
+ sym_print_addr(cp->cmd, "PM %x %x %x / %x %x %x.\n",
hflags0, hflags, newcmd,
(unsigned)scr_to_cpu(pm->sg.addr),
(unsigned)scr_to_cpu(pm->sg.size),
* Restart the SCRIPTS processor.
*/
sym_set_script_dp (np, cp, newcmd);
- OUTL_DSP (nxtdsp);
+ OUTL_DSP(np, nxtdsp);
return;
/*
switch (cmd & 7) {
case 2: /* COMMAND phase */
- nxtdsp = SCRIPTA_BA (np, dispatch);
+ nxtdsp = SCRIPTA_BA(np, dispatch);
break;
#if 0
case 3: /* STATUS phase */
- nxtdsp = SCRIPTA_BA (np, dispatch);
+ nxtdsp = SCRIPTA_BA(np, dispatch);
break;
#endif
case 6: /* MSG OUT phase */
* since we will not be able to handle reselect.
* Otherwise, we just don't care.
*/
- if (dsp == SCRIPTA_BA (np, send_ident)) {
+ if (dsp == SCRIPTA_BA(np, send_ident)) {
if (cp->tag != NO_TAG && olen - rest <= 3) {
cp->host_status = HS_BUSY;
- np->msgout[0] = M_IDENTIFY | cp->lun;
- nxtdsp = SCRIPTB_BA (np, ident_break_atn);
+ np->msgout[0] = IDENTIFY(0, cp->lun);
+ nxtdsp = SCRIPTB_BA(np, ident_break_atn);
}
else
- nxtdsp = SCRIPTB_BA (np, ident_break);
+ nxtdsp = SCRIPTB_BA(np, ident_break);
}
- else if (dsp == SCRIPTB_BA (np, send_wdtr) ||
- dsp == SCRIPTB_BA (np, send_sdtr) ||
- dsp == SCRIPTB_BA (np, send_ppr)) {
- nxtdsp = SCRIPTB_BA (np, nego_bad_phase);
+ else if (dsp == SCRIPTB_BA(np, send_wdtr) ||
+ dsp == SCRIPTB_BA(np, send_sdtr) ||
+ dsp == SCRIPTB_BA(np, send_ppr)) {
+ nxtdsp = SCRIPTB_BA(np, nego_bad_phase);
+ if (dsp == SCRIPTB_BA(np, send_ppr)) {
+ struct scsi_device *dev = cp->cmd->device;
+ dev->ppr = 0;
+ }
}
break;
#if 0
case 7: /* MSG IN phase */
- nxtdsp = SCRIPTA_BA (np, clrack);
+ nxtdsp = SCRIPTA_BA(np, clrack);
break;
#endif
}
if (nxtdsp) {
- OUTL_DSP (nxtdsp);
+ OUTL_DSP(np, nxtdsp);
return;
}
* Use at your own decision and risk.
*/
-void sym_interrupt (hcb_p np)
+void sym_interrupt (struct sym_hcb *np)
{
u_char istat, istatc;
u_char dstat;
* Note that SCRIPTS also (dummy) read to memory
* prior to deliver the INTF interrupt condition.
*/
- istat = INB (nc_istat);
+ istat = INB(np, nc_istat);
if (istat & INTF) {
- OUTB (nc_istat, (istat & SIGP) | INTF | np->istat_sem);
- istat = INB (nc_istat); /* DUMMY READ */
+ OUTB(np, nc_istat, (istat & SIGP) | INTF | np->istat_sem);
+ istat = INB(np, nc_istat); /* DUMMY READ */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("F ");
- (void)sym_wakeup_done (np);
- };
+ sym_wakeup_done(np);
+ }
if (!(istat & (SIP|DIP)))
return;
#if 0 /* We should never get this one */
if (istat & CABRT)
- OUTB (nc_istat, CABRT);
+ OUTB(np, nc_istat, CABRT);
#endif
/*
istatc = istat;
do {
if (istatc & SIP)
- sist |= INW (nc_sist);
+ sist |= INW(np, nc_sist);
if (istatc & DIP)
- dstat |= INB (nc_dstat);
- istatc = INB (nc_istat);
+ dstat |= INB(np, nc_dstat);
+ istatc = INB(np, nc_istat);
istat |= istatc;
} while (istatc & (SIP|DIP));
if (DEBUG_FLAGS & DEBUG_TINY)
printf ("<%d|%x:%x|%x:%x>",
- (int)INB(nc_scr0),
+ (int)INB(np, nc_scr0),
dstat,sist,
- (unsigned)INL(nc_dsp),
- (unsigned)INL(nc_dbc));
+ (unsigned)INL(np, nc_dsp),
+ (unsigned)INL(np, nc_dbc));
/*
* On paper, a memory read barrier may be needed here to
* prevent out of order LOADs by the CPU from having
if (sist & PAR) sym_int_par (np, sist);
else if (sist & MA) sym_int_ma (np);
else if (dstat & SIR) sym_int_sir (np);
- else if (dstat & SSI) OUTONB_STD ();
+ else if (dstat & SSI) OUTONB_STD();
else goto unknown_int;
return;
- };
+ }
/*
* Now, interrupts that donnot happen in normal
printf("%s: SCSI BUS reset detected.\n", sym_name(np));
sym_start_up (np, 1);
return;
- };
+ }
- OUTB (nc_ctest3, np->rv_ctest3 | CLF); /* clear dma fifo */
- OUTB (nc_stest3, TE|CSF); /* clear scsi fifo */
+ OUTB(np, nc_ctest3, np->rv_ctest3 | CLF); /* clear dma fifo */
+ OUTB(np, nc_stest3, TE|CSF); /* clear scsi fifo */
if (!(sist & (GEN|HTH|SGE)) &&
!(dstat & (MDPE|BF|ABRT|IID))) {
else if (sist & UDC) sym_int_udc (np);
else goto unknown_int;
return;
- };
+ }
/*
* Now, interrupts we are not able to recover cleanly.
(dstat & (MDPE|BF|ABRT|IID))) {
sym_start_reset(np);
return;
- };
+ }
unknown_int:
/*
* Dequeue from the START queue all CCBs that match
* a given target/lun/task condition (-1 means all),
* and move them from the BUSY queue to the COMP queue
- * with CAM_REQUEUE_REQ status condition.
+ * with DID_SOFT_ERROR status condition.
* This function is used during error handling/recovery.
* It is called with SCRIPTS not running.
*/
static int
-sym_dequeue_from_squeue(hcb_p np, int i, int target, int lun, int task)
+sym_dequeue_from_squeue(struct sym_hcb *np, int i, int target, int lun, int task)
{
int j;
- ccb_p cp;
+ struct sym_ccb *cp;
/*
* Make sure the starting index is within range.
if ((target == -1 || cp->target == target) &&
(lun == -1 || cp->lun == lun) &&
(task == -1 || cp->tag == task)) {
- sym_set_cam_status(cp->cam_ccb, CAM_REQUEUE_REQ);
+ sym_set_cam_status(cp->cmd, DID_SOFT_ERROR);
sym_remque(&cp->link_ccbq);
sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
}
return (i - j) / 2;
}
-/*
- * Complete all CCBs queued to the COMP queue.
- *
- * These CCBs are assumed:
- * - Not to be referenced either by devices or
- * SCRIPTS-related queues and datas.
- * - To have to be completed with an error condition
- * or requeued.
- *
- * The device queue freeze count is incremented
- * for each CCB that does not prevent this.
- * This function is called when all CCBs involved
- * in error handling/recovery have been reaped.
- */
-void sym_flush_comp_queue(hcb_p np, int cam_status)
-{
- SYM_QUEHEAD *qp;
- ccb_p cp;
-
- while ((qp = sym_remque_head(&np->comp_ccbq)) != 0) {
- cam_ccb_p ccb;
- cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
- sym_insque_tail(&cp->link_ccbq, &np->busy_ccbq);
- /* Leave quiet CCBs waiting for resources */
- if (cp->host_status == HS_WAIT)
- continue;
- ccb = cp->cam_ccb;
- if (cam_status)
- sym_set_cam_status(ccb, cam_status);
-#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
- if (sym_get_cam_status(ccb) == CAM_REQUEUE_REQ) {
- tcb_p tp = &np->target[cp->target];
- lcb_p lp = sym_lp(np, tp, cp->lun);
- if (lp) {
- sym_remque(&cp->link2_ccbq);
- sym_insque_tail(&cp->link2_ccbq,
- &lp->waiting_ccbq);
- if (cp->started) {
- if (cp->tag != NO_TAG)
- --lp->started_tags;
- else
- --lp->started_no_tag;
- }
- }
- cp->started = 0;
- continue;
- }
-#endif
- sym_free_ccb(np, cp);
- sym_freeze_cam_ccb(ccb);
- sym_xpt_done(np, ccb);
- }
-}
-
/*
* chip handler for bad SCSI status condition
*
* SCRATCHA is assumed to have been loaded with STARTPOS
* before the SCRIPTS called the C code.
*/
-static void sym_sir_bad_scsi_status(hcb_p np, int num, ccb_p cp)
+static void sym_sir_bad_scsi_status(struct sym_hcb *np, int num, struct sym_ccb *cp)
{
- tcb_p tp = &np->target[cp->target];
u32 startp;
u_char s_status = cp->ssss_status;
u_char h_flags = cp->host_flags;
int msglen;
- int nego;
int i;
/*
* Compute the index of the next job to start from SCRIPTS.
*/
- i = (INL (nc_scratcha) - np->squeue_ba) / 4;
+ i = (INL(np, nc_scratcha) - np->squeue_ba) / 4;
/*
* The last CCB queued used for IARB hint may be
case S_BUSY:
case S_QUEUE_FULL:
if (sym_verbose >= 2) {
- PRINT_ADDR(cp);
- printf ("%s\n",
+ sym_print_addr(cp->cmd, "%s\n",
s_status == S_BUSY ? "BUSY" : "QUEUE FULL\n");
}
default: /* S_INT, S_INT_COND_MET, S_CONFLICT */
* Dequeue all queued CCBs for that device not yet started,
* and restart the SCRIPTS processor immediately.
*/
- (void) sym_dequeue_from_squeue(np, i, cp->target, cp->lun, -1);
- OUTL_DSP (SCRIPTA_BA (np, start));
+ sym_dequeue_from_squeue(np, i, cp->target, cp->lun, -1);
+ OUTL_DSP(np, SCRIPTA_BA(np, start));
/*
* Save some info of the actual IO.
* requesting sense data.
*/
- /*
- * identify message
- */
- cp->scsi_smsg2[0] = M_IDENTIFY | cp->lun;
+ cp->scsi_smsg2[0] = IDENTIFY(0, cp->lun);
msglen = 1;
/*
* cp->nego_status is filled by sym_prepare_nego().
*/
cp->nego_status = 0;
- nego = 0;
- if (tp->tinfo.curr.options & PPR_OPT_MASK)
- nego = NS_PPR;
- else if (tp->tinfo.curr.width != BUS_8_BIT)
- nego = NS_WIDE;
- else if (tp->tinfo.curr.offset != 0)
- nego = NS_SYNC;
- if (nego)
- msglen +=
- sym_prepare_nego (np,cp, nego, &cp->scsi_smsg2[msglen]);
+ msglen += sym_prepare_nego(np, cp, &cp->scsi_smsg2[msglen]);
/*
* Message table indirect structure.
*/
- cp->phys.smsg.addr = cpu_to_scr(CCB_BA (cp, scsi_smsg2));
+ cp->phys.smsg.addr = CCB_BA(cp, scsi_smsg2);
cp->phys.smsg.size = cpu_to_scr(msglen);
/*
* sense command
*/
- cp->phys.cmd.addr = cpu_to_scr(CCB_BA (cp, sensecmd));
+ cp->phys.cmd.addr = CCB_BA(cp, sensecmd);
cp->phys.cmd.size = cpu_to_scr(6);
/*
*/
cp->sensecmd[0] = REQUEST_SENSE;
cp->sensecmd[1] = 0;
- if (tp->tinfo.curr.scsi_version <= 2 && cp->lun <= 7)
+ if (cp->cmd->device->scsi_level <= SCSI_2 && cp->lun <= 7)
cp->sensecmd[1] = cp->lun << 5;
cp->sensecmd[4] = SYM_SNS_BBUF_LEN;
cp->data_len = SYM_SNS_BBUF_LEN;
/*
* sense data
*/
- bzero(cp->sns_bbuf, SYM_SNS_BBUF_LEN);
- cp->phys.sense.addr = cpu_to_scr(vtobus(cp->sns_bbuf));
+ memset(cp->sns_bbuf, 0, SYM_SNS_BBUF_LEN);
+ cp->phys.sense.addr = CCB_BA(cp, sns_bbuf);
cp->phys.sense.size = cpu_to_scr(SYM_SNS_BBUF_LEN);
/*
* requeue the command.
*/
- startp = SCRIPTB_BA (np, sdata_in);
+ startp = SCRIPTB_BA(np, sdata_in);
cp->phys.head.savep = cpu_to_scr(startp);
cp->phys.head.lastp = cpu_to_scr(startp);
cp->xerr_status = 0;
cp->extra_bytes = 0;
- cp->phys.head.go.start = cpu_to_scr(SCRIPTA_BA (np, select));
+ cp->phys.head.go.start = cpu_to_scr(SCRIPTA_BA(np, select));
/*
* Requeue the command.
* - lun=-1 means any logical UNIT otherwise a given one.
* - task=-1 means any task, otherwise a given one.
*/
-int sym_clear_tasks(hcb_p np, int cam_status, int target, int lun, int task)
+int sym_clear_tasks(struct sym_hcb *np, int cam_status, int target, int lun, int task)
{
SYM_QUEHEAD qtmp, *qp;
int i = 0;
- ccb_p cp;
+ struct sym_ccb *cp;
/*
* Move the entire BUSY queue to our temporary queue.
* the BUSY queue.
*/
while ((qp = sym_remque_head(&qtmp)) != 0) {
- cam_ccb_p ccb;
+ struct scsi_cmnd *cmd;
cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
- ccb = cp->cam_ccb;
+ cmd = cp->cmd;
if (cp->host_status != HS_DISCONNECT ||
cp->target != target ||
(lun != -1 && cp->lun != lun) ||
sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
/* Preserve the software timeout condition */
- if (sym_get_cam_status(ccb) != CAM_CMD_TIMEOUT)
- sym_set_cam_status(ccb, cam_status);
+ if (sym_get_cam_status(cmd) != DID_TIME_OUT)
+ sym_set_cam_status(cmd, cam_status);
++i;
#if 0
printf("XXXX TASK @%p CLEARED\n", cp);
* all the CCBs that should have been aborted by the
* target according to our message.
*/
-static void sym_sir_task_recovery(hcb_p np, int num)
+static void sym_sir_task_recovery(struct sym_hcb *np, int num)
{
SYM_QUEHEAD *qp;
- ccb_p cp;
- tcb_p tp;
+ struct sym_ccb *cp;
+ struct sym_tcb *tp = NULL; /* gcc isn't quite smart enough yet */
+ struct scsi_target *starget;
int target=-1, lun=-1, task;
int i, k;
np->abrt_sel.sel_id = target;
np->abrt_sel.sel_scntl3 = tp->head.wval;
np->abrt_sel.sel_sxfer = tp->head.sval;
- OUTL(nc_dsa, np->hcb_ba);
- OUTL_DSP (SCRIPTB_BA (np, sel_for_abort));
+ OUTL(np, nc_dsa, np->hcb_ba);
+ OUTL_DSP(np, SCRIPTB_BA(np, sel_for_abort));
return;
}
* we are not in race.
*/
i = 0;
- cp = 0;
+ cp = NULL;
FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
if (cp->host_status != HS_BUSY &&
* Remove the SEM flag from the ISTAT.
*/
np->istat_sem = 0;
- OUTB (nc_istat, SIGP);
+ OUTB(np, nc_istat, SIGP);
break;
}
/*
* queue the SCRIPTS intends to start and dequeue
* all CCBs for that device that haven't been started.
*/
- i = (INL (nc_scratcha) - np->squeue_ba) / 4;
+ i = (INL(np, nc_scratcha) - np->squeue_ba) / 4;
i = sym_dequeue_from_squeue(np, i, cp->target, cp->lun, -1);
/*
* Make sure at least our IO to abort has been dequeued.
*/
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- assert(i && sym_get_cam_status(cp->cam_ccb) == CAM_REQUEUE_REQ);
+ assert(i && sym_get_cam_status(cp->cmd) == DID_SOFT_ERROR);
#else
sym_remque(&cp->link_ccbq);
sym_insque_tail(&cp->link_ccbq, &np->comp_ccbq);
* Keep track in cam status of the reason of the abort.
*/
if (cp->to_abort == 2)
- sym_set_cam_status(cp->cam_ccb, CAM_CMD_TIMEOUT);
+ sym_set_cam_status(cp->cmd, DID_TIME_OUT);
else
- sym_set_cam_status(cp->cam_ccb, CAM_REQ_ABORTED);
+ sym_set_cam_status(cp->cmd, DID_ABORT);
/*
* Complete with error everything that we have dequeued.
* we may have some manual recovery to perform for.
*/
case SIR_TARGET_SELECTED:
- target = (INB (nc_sdid) & 0xf);
+ target = INB(np, nc_sdid) & 0xf;
tp = &np->target[target];
np->abrt_tbl.addr = cpu_to_scr(vtobus(np->abrt_msg));
* an IDENTIFY(lun) + ABORT MESSAGE.
*/
if (lun != -1) {
- lcb_p lp = sym_lp(np, tp, lun);
- lp->to_clear = 0; /* We donnot expect to fail here */
- np->abrt_msg[0] = M_IDENTIFY | lun;
+ struct sym_lcb *lp = sym_lp(tp, lun);
+ lp->to_clear = 0; /* We don't expect to fail here */
+ np->abrt_msg[0] = IDENTIFY(0, lun);
np->abrt_msg[1] = M_ABORT;
np->abrt_tbl.size = 2;
break;
* abort for this target.
*/
i = 0;
- cp = 0;
+ cp = NULL;
FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
if (cp->host_status != HS_DISCONNECT)
* We have some task to abort.
* Set the IDENTIFY(lun)
*/
- np->abrt_msg[0] = M_IDENTIFY | cp->lun;
+ np->abrt_msg[0] = IDENTIFY(0, cp->lun);
/*
* If we want to abort an untagged command, we
if (cp->tag == NO_TAG) {
np->abrt_msg[1] = M_ABORT;
np->abrt_tbl.size = 2;
- }
- else {
+ } else {
np->abrt_msg[1] = cp->scsi_smsg[1];
np->abrt_msg[2] = cp->scsi_smsg[2];
np->abrt_msg[3] = M_ABORT_TAG;
* conditions not due to timeout.
*/
if (cp->to_abort == 2)
- sym_set_cam_status(cp->cam_ccb, CAM_CMD_TIMEOUT);
+ sym_set_cam_status(cp->cmd, DID_TIME_OUT);
cp->to_abort = 0; /* We donnot expect to fail here */
break;
* to BUS FREE phase as we expected.
*/
case SIR_ABORT_SENT:
- target = (INB (nc_sdid) & 0xf);
+ target = INB(np, nc_sdid) & 0xf;
tp = &np->target[target];
+ starget = tp->starget;
/*
** If we didn't abort anything, leave here.
tp->head.sval = 0;
tp->head.wval = np->rv_scntl3;
tp->head.uval = 0;
- tp->tinfo.curr.period = 0;
- tp->tinfo.curr.offset = 0;
- tp->tinfo.curr.width = BUS_8_BIT;
- tp->tinfo.curr.options = 0;
+ spi_period(starget) = 0;
+ spi_offset(starget) = 0;
+ spi_width(starget) = 0;
+ spi_iu(starget) = 0;
+ spi_dt(starget) = 0;
+ spi_qas(starget) = 0;
+ tp->tgoal.check_nego = 1;
}
/*
* Complete all the CCBs the device should have
* aborted due to our 'kiss of death' message.
*/
- i = (INL (nc_scratcha) - np->squeue_ba) / 4;
- (void) sym_dequeue_from_squeue(np, i, target, lun, -1);
- (void) sym_clear_tasks(np, CAM_REQ_ABORTED, target, lun, task);
+ i = (INL(np, nc_scratcha) - np->squeue_ba) / 4;
+ sym_dequeue_from_squeue(np, i, target, lun, -1);
+ sym_clear_tasks(np, DID_ABORT, target, lun, task);
sym_flush_comp_queue(np, 0);
/*
* Print to the log the message we intend to send.
*/
if (num == SIR_TARGET_SELECTED) {
- PRINT_TARGET(np, target);
- sym_printl_hex("control msgout:", np->abrt_msg,
- np->abrt_tbl.size);
+ dev_info(&tp->starget->dev, "control msgout:");
+ sym_printl_hex(np->abrt_msg, np->abrt_tbl.size);
np->abrt_tbl.size = cpu_to_scr(np->abrt_tbl.size);
}
/*
* Let the SCRIPTS processor continue.
*/
- OUTONB_STD ();
+ OUTONB_STD();
}
/*
* pointer for both MDP and the residual calculation.
*
* I didn't want to bloat the code by more than 200
- * lignes for the handling of both MDP and the residual.
+ * lines for the handling of both MDP and the residual.
* This has been achieved by using a data pointer
* representation consisting in an index in the data
* array (dp_sg) and a negative offset (dp_ofs) that
* the corresponding values of dp_sg and dp_ofs.
*/
-static int sym_evaluate_dp(hcb_p np, ccb_p cp, u32 scr, int *ofs)
+static int sym_evaluate_dp(struct sym_hcb *np, struct sym_ccb *cp, u32 scr, int *ofs)
{
u32 dp_scr;
int dp_ofs, dp_sg, dp_sgmin;
*/
dp_scr = scr;
dp_ofs = *ofs;
- if (dp_scr == SCRIPTA_BA (np, pm0_data))
+ if (dp_scr == SCRIPTA_BA(np, pm0_data))
pm = &cp->phys.pm0;
- else if (dp_scr == SCRIPTA_BA (np, pm1_data))
+ else if (dp_scr == SCRIPTA_BA(np, pm1_data))
pm = &cp->phys.pm1;
else
- pm = 0;
+ pm = NULL;
if (pm) {
dp_scr = scr_to_cpu(pm->ret);
- dp_ofs -= scr_to_cpu(pm->sg.size);
+ dp_ofs -= scr_to_cpu(pm->sg.size) & 0x00ffffff;
}
/*
* If result is dp_sg = SYM_CONF_MAX_SG, then we are at the
* end of the data.
*/
- tmp = scr_to_cpu(sym_goalp(cp));
+ tmp = scr_to_cpu(cp->goalp);
dp_sg = SYM_CONF_MAX_SG;
if (dp_scr != tmp)
dp_sg -= (tmp - 8 - (int)dp_scr) / (2*4);
* is equivalent to a MODIFY DATA POINTER (offset=-1).
*/
-static void sym_modify_dp(hcb_p np, tcb_p tp, ccb_p cp, int ofs)
+static void sym_modify_dp(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb *cp, int ofs)
{
int dp_ofs = ofs;
u32 dp_scr = sym_get_script_dp (np, cp);
* And our alchemy:) allows to easily calculate the data
* script address we want to return for the next data phase.
*/
- dp_ret = cpu_to_scr(sym_goalp(cp));
+ dp_ret = cpu_to_scr(cp->goalp);
dp_ret = dp_ret - 8 - (SYM_CONF_MAX_SG - dp_sg) * (2*4);
/*
/*
* Get a context for the new current data pointer.
*/
- hflags = INB (HF_PRT);
+ hflags = INB(np, HF_PRT);
if (hflags & HF_DP_SAVED)
hflags ^= HF_ACT_PM;
if (!(hflags & HF_ACT_PM)) {
pm = &cp->phys.pm0;
- dp_scr = SCRIPTA_BA (np, pm0_data);
+ dp_scr = SCRIPTA_BA(np, pm0_data);
}
else {
pm = &cp->phys.pm1;
- dp_scr = SCRIPTA_BA (np, pm1_data);
+ dp_scr = SCRIPTA_BA(np, pm1_data);
}
hflags &= ~(HF_DP_SAVED);
- OUTB (HF_PRT, hflags);
+ OUTB(np, HF_PRT, hflags);
/*
* Set up the new current data pointer.
out_ok:
sym_set_script_dp (np, cp, dp_scr);
- OUTL_DSP (SCRIPTA_BA (np, clrack));
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
return;
out_reject:
- OUTL_DSP (SCRIPTB_BA (np, msg_bad));
+ OUTL_DSP(np, SCRIPTB_BA(np, msg_bad));
}
* a relevant information. :)
*/
-int sym_compute_residual(hcb_p np, ccb_p cp)
+int sym_compute_residual(struct sym_hcb *np, struct sym_ccb *cp)
{
int dp_sg, dp_sgmin, resid = 0;
int dp_ofs = 0;
* If all data has been transferred,
* there is no residual.
*/
- if (cp->phys.head.lastp == sym_goalp(cp))
+ if (cp->phys.head.lastp == cp->goalp)
return resid;
/*
resid += (tmp & 0xffffff);
}
+ resid -= cp->odd_byte_adjustment;
+
/*
* Hopefully, the result is not too wrong.
*/
* chip handler for SYNCHRONOUS DATA TRANSFER REQUEST (SDTR) message.
*/
static int
-sym_sync_nego_check(hcb_p np, int req, int target)
+sym_sync_nego_check(struct sym_hcb *np, int req, struct sym_ccb *cp)
{
- tcb_p tp = &np->target[target];
+ int target = cp->target;
u_char chg, ofs, per, fak, div;
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "sync msgin", np->msgin);
- };
+ }
/*
* Get requested values.
if (ofs) {
if (ofs > np->maxoffs)
{chg = 1; ofs = np->maxoffs;}
- if (req) {
- if (ofs > tp->tinfo.user.offset)
- {chg = 1; ofs = tp->tinfo.user.offset;}
- }
}
if (ofs) {
if (per < np->minsync)
{chg = 1; per = np->minsync;}
- if (req) {
- if (per < tp->tinfo.user.period)
- {chg = 1; per = tp->tinfo.user.period;}
- }
}
/*
goto reject_it;
if (DEBUG_FLAGS & DEBUG_NEGO) {
- PRINT_TARGET(np, target);
- printf ("sdtr: ofs=%d per=%d div=%d fak=%d chg=%d.\n",
- ofs, per, div, fak, chg);
+ sym_print_addr(cp->cmd,
+ "sdtr: ofs=%d per=%d div=%d fak=%d chg=%d.\n",
+ ofs, per, div, fak, chg);
}
/*
/*
* It was a request. Prepare an answer message.
*/
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 3;
- np->msgout[2] = M_X_SYNC_REQ;
- np->msgout[3] = per;
- np->msgout[4] = ofs;
+ spi_populate_sync_msg(np->msgout, per, ofs);
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "sync msgout", np->msgout);
return -1;
}
-static void sym_sync_nego(hcb_p np, tcb_p tp, ccb_p cp)
+static void sym_sync_nego(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb *cp)
{
int req = 1;
int result;
/*
* Request or answer ?
*/
- if (INB (HS_PRT) == HS_NEGOTIATE) {
- OUTB (HS_PRT, HS_BUSY);
+ if (INB(np, HS_PRT) == HS_NEGOTIATE) {
+ OUTB(np, HS_PRT, HS_BUSY);
if (cp->nego_status && cp->nego_status != NS_SYNC)
goto reject_it;
req = 0;
/*
* Check and apply new values.
*/
- result = sym_sync_nego_check(np, req, cp->target);
+ result = sym_sync_nego_check(np, req, cp);
if (result) /* Not acceptable, reject it */
goto reject_it;
if (req) { /* Was a request, send response. */
cp->nego_status = NS_SYNC;
- OUTL_DSP (SCRIPTB_BA (np, sdtr_resp));
+ OUTL_DSP(np, SCRIPTB_BA(np, sdtr_resp));
}
else /* Was a response, we are done. */
- OUTL_DSP (SCRIPTA_BA (np, clrack));
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
return;
reject_it:
- OUTL_DSP (SCRIPTB_BA (np, msg_bad));
+ OUTL_DSP(np, SCRIPTB_BA(np, msg_bad));
}
/*
* chip handler for PARALLEL PROTOCOL REQUEST (PPR) message.
*/
static int
-sym_ppr_nego_check(hcb_p np, int req, int target)
+sym_ppr_nego_check(struct sym_hcb *np, int req, int target)
{
- tcb_p tp = &np->target[target];
- u_char chg, ofs, per, fak, dt, div, wide;
+ struct sym_tcb *tp = &np->target[target];
+ unsigned char fak, div;
+ int dt, chg = 0;
+
+ unsigned char per = np->msgin[3];
+ unsigned char ofs = np->msgin[5];
+ unsigned char wide = np->msgin[6];
+ unsigned char opts = np->msgin[7] & PPR_OPT_MASK;
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "ppr msgin", np->msgin);
- };
-
- /*
- * Get requested values.
- */
- chg = 0;
- per = np->msgin[3];
- ofs = np->msgin[5];
- wide = np->msgin[6];
- dt = np->msgin[7] & PPR_OPT_DT;
+ }
/*
* Check values against our limits.
chg = 1;
wide = np->maxwide;
}
- if (!wide || !(np->features & FE_ULTRA3))
- dt &= ~PPR_OPT_DT;
- if (req) {
- if (wide > tp->tinfo.user.width)
- {chg = 1; wide = tp->tinfo.user.width;}
- }
+ if (!wide || !(np->features & FE_U3EN))
+ opts = 0;
- if (!(np->features & FE_U3EN)) /* Broken U3EN bit not supported */
- dt &= ~PPR_OPT_DT;
+ if (opts != (np->msgin[7] & PPR_OPT_MASK))
+ chg = 1;
- if (dt != (np->msgin[7] & PPR_OPT_MASK)) chg = 1;
+ dt = opts & PPR_OPT_DT;
if (ofs) {
- if (dt) {
- if (ofs > np->maxoffs_dt)
- {chg = 1; ofs = np->maxoffs_dt;}
- }
- else if (ofs > np->maxoffs)
- {chg = 1; ofs = np->maxoffs;}
- if (req) {
- if (ofs > tp->tinfo.user.offset)
- {chg = 1; ofs = tp->tinfo.user.offset;}
+ unsigned char maxoffs = dt ? np->maxoffs_dt : np->maxoffs;
+ if (ofs > maxoffs) {
+ chg = 1;
+ ofs = maxoffs;
}
}
if (ofs) {
- if (dt) {
- if (per < np->minsync_dt)
- {chg = 1; per = np->minsync_dt;}
- }
- else if (per < np->minsync)
- {chg = 1; per = np->minsync;}
- if (req) {
- if (per < tp->tinfo.user.period)
- {chg = 1; per = tp->tinfo.user.period;}
+ unsigned char minsync = dt ? np->minsync_dt : np->minsync;
+ if (per < minsync) {
+ chg = 1;
+ per = minsync;
}
}
/*
* Apply new values.
*/
- sym_setpprot (np, target, dt, ofs, per, wide, div, fak);
+ sym_setpprot(np, target, opts, ofs, per, wide, div, fak);
/*
* It was an answer. We are done.
/*
* It was a request. Prepare an answer message.
*/
- 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] = dt;
+ spi_populate_ppr_msg(np->msgout, per, ofs, wide, opts);
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "ppr msgout", np->msgout);
* If it is a device response that should result in
* ST, we may want to try a legacy negotiation later.
*/
- if (!req && !dt) {
- tp->tinfo.goal.options = 0;
- tp->tinfo.goal.width = wide;
- tp->tinfo.goal.period = per;
- tp->tinfo.goal.offset = ofs;
+ if (!req && !opts) {
+ tp->tgoal.period = per;
+ tp->tgoal.offset = ofs;
+ tp->tgoal.width = wide;
+ tp->tgoal.iu = tp->tgoal.dt = tp->tgoal.qas = 0;
+ tp->tgoal.check_nego = 1;
}
return -1;
}
-static void sym_ppr_nego(hcb_p np, tcb_p tp, ccb_p cp)
+static void sym_ppr_nego(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb *cp)
{
int req = 1;
int result;
/*
* Request or answer ?
*/
- if (INB (HS_PRT) == HS_NEGOTIATE) {
- OUTB (HS_PRT, HS_BUSY);
+ if (INB(np, HS_PRT) == HS_NEGOTIATE) {
+ OUTB(np, HS_PRT, HS_BUSY);
if (cp->nego_status && cp->nego_status != NS_PPR)
goto reject_it;
req = 0;
goto reject_it;
if (req) { /* Was a request, send response. */
cp->nego_status = NS_PPR;
- OUTL_DSP (SCRIPTB_BA (np, ppr_resp));
+ OUTL_DSP(np, SCRIPTB_BA(np, ppr_resp));
}
else /* Was a response, we are done. */
- OUTL_DSP (SCRIPTA_BA (np, clrack));
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
return;
reject_it:
- OUTL_DSP (SCRIPTB_BA (np, msg_bad));
+ OUTL_DSP(np, SCRIPTB_BA(np, msg_bad));
}
/*
* chip handler for WIDE DATA TRANSFER REQUEST (WDTR) message.
*/
static int
-sym_wide_nego_check(hcb_p np, int req, int target)
+sym_wide_nego_check(struct sym_hcb *np, int req, struct sym_ccb *cp)
{
- tcb_p tp = &np->target[target];
+ int target = cp->target;
u_char chg, wide;
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, target, "wide msgin", np->msgin);
- };
+ }
/*
* Get requested values.
chg = 1;
wide = np->maxwide;
}
- if (req) {
- if (wide > tp->tinfo.user.width)
- {chg = 1; wide = tp->tinfo.user.width;}
- }
if (DEBUG_FLAGS & DEBUG_NEGO) {
- PRINT_TARGET(np, target);
- printf ("wdtr: wide=%d chg=%d.\n", wide, chg);
+ sym_print_addr(cp->cmd, "wdtr: wide=%d chg=%d.\n",
+ wide, chg);
}
/*
/*
* It was a request. Prepare an answer message.
*/
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 2;
- np->msgout[2] = M_X_WIDE_REQ;
- np->msgout[3] = wide;
+ spi_populate_width_msg(np->msgout, wide);
np->msgin [0] = M_NOOP;
return -1;
}
-static void sym_wide_nego(hcb_p np, tcb_p tp, ccb_p cp)
+static void sym_wide_nego(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb *cp)
{
int req = 1;
int result;
/*
* Request or answer ?
*/
- if (INB (HS_PRT) == HS_NEGOTIATE) {
- OUTB (HS_PRT, HS_BUSY);
+ if (INB(np, HS_PRT) == HS_NEGOTIATE) {
+ OUTB(np, HS_PRT, HS_BUSY);
if (cp->nego_status && cp->nego_status != NS_WIDE)
goto reject_it;
req = 0;
/*
* Check and apply new values.
*/
- result = sym_wide_nego_check(np, req, cp->target);
+ result = sym_wide_nego_check(np, req, cp);
if (result) /* Not acceptable, reject it */
goto reject_it;
if (req) { /* Was a request, send response. */
cp->nego_status = NS_WIDE;
- OUTL_DSP (SCRIPTB_BA (np, wdtr_resp));
- }
- else { /* Was a response. */
+ OUTL_DSP(np, SCRIPTB_BA(np, wdtr_resp));
+ } else { /* Was a response. */
/*
* Negotiate for SYNC immediately after WIDE response.
* This allows to negotiate for both WIDE and SYNC on
* a single SCSI command (Suggested by Justin Gibbs).
*/
- if (tp->tinfo.goal.offset) {
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 3;
- np->msgout[2] = M_X_SYNC_REQ;
- np->msgout[3] = tp->tinfo.goal.period;
- np->msgout[4] = tp->tinfo.goal.offset;
+ if (tp->tgoal.offset) {
+ spi_populate_sync_msg(np->msgout, tp->tgoal.period,
+ tp->tgoal.offset);
if (DEBUG_FLAGS & DEBUG_NEGO) {
sym_print_nego_msg(np, cp->target,
}
cp->nego_status = NS_SYNC;
- OUTB (HS_PRT, HS_NEGOTIATE);
- OUTL_DSP (SCRIPTB_BA (np, sdtr_resp));
+ OUTB(np, HS_PRT, HS_NEGOTIATE);
+ OUTL_DSP(np, SCRIPTB_BA(np, sdtr_resp));
return;
- }
- else
- OUTL_DSP (SCRIPTA_BA (np, clrack));
- };
+ } else
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
+ }
return;
reject_it:
- OUTL_DSP (SCRIPTB_BA (np, msg_bad));
+ OUTL_DSP(np, SCRIPTB_BA(np, msg_bad));
}
/*
* So, if a PPR makes problems, we may just want to
* try a legacy negotiation later.
*/
-static void sym_nego_default(hcb_p np, tcb_p tp, ccb_p cp)
+static void sym_nego_default(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb *cp)
{
switch (cp->nego_status) {
case NS_PPR:
#if 0
sym_setpprot (np, cp->target, 0, 0, 0, 0, 0, 0);
#else
- tp->tinfo.goal.options = 0;
- if (tp->tinfo.goal.period < np->minsync)
- tp->tinfo.goal.period = np->minsync;
- if (tp->tinfo.goal.offset > np->maxoffs)
- tp->tinfo.goal.offset = np->maxoffs;
+ if (tp->tgoal.period < np->minsync)
+ tp->tgoal.period = np->minsync;
+ if (tp->tgoal.offset > np->maxoffs)
+ tp->tgoal.offset = np->maxoffs;
+ tp->tgoal.iu = tp->tgoal.dt = tp->tgoal.qas = 0;
+ tp->tgoal.check_nego = 1;
#endif
break;
case NS_SYNC:
case NS_WIDE:
sym_setwide (np, cp->target, 0);
break;
- };
+ }
np->msgin [0] = M_NOOP;
np->msgout[0] = M_NOOP;
cp->nego_status = 0;
* chip handler for MESSAGE REJECT received in response to
* PPR, WIDE or SYNCHRONOUS negotiation.
*/
-static void sym_nego_rejected(hcb_p np, tcb_p tp, ccb_p cp)
+static void sym_nego_rejected(struct sym_hcb *np, struct sym_tcb *tp, struct sym_ccb *cp)
{
sym_nego_default(np, tp, cp);
- OUTB (HS_PRT, HS_BUSY);
+ OUTB(np, HS_PRT, HS_BUSY);
}
/*
* chip exception handler for programmed interrupts.
*/
-static void sym_int_sir (hcb_p np)
+static void sym_int_sir (struct sym_hcb *np)
{
- u_char num = INB (nc_dsps);
- u32 dsa = INL (nc_dsa);
- ccb_p cp = sym_ccb_from_dsa(np, dsa);
- u_char target = INB (nc_sdid) & 0x0f;
- tcb_p tp = &np->target[target];
+ u_char num = INB(np, nc_dsps);
+ u32 dsa = INL(np, nc_dsa);
+ struct sym_ccb *cp = sym_ccb_from_dsa(np, dsa);
+ u_char target = INB(np, nc_sdid) & 0x0f;
+ struct sym_tcb *tp = &np->target[target];
int tmp;
if (DEBUG_FLAGS & DEBUG_TINY) printf ("I#%d", num);
if (cp) {
cp->xerr_status &= ~XE_PARITY_ERR;
if (!cp->xerr_status)
- OUTOFFB (HF_PRT, HF_EXT_ERR);
+ OUTOFFB(np, HF_PRT, HF_EXT_ERR);
}
}
goto out;
*/
case SIR_SWIDE_OVERRUN:
if (cp) {
- OUTONB (HF_PRT, HF_EXT_ERR);
+ OUTONB(np, HF_PRT, HF_EXT_ERR);
cp->xerr_status |= XE_SWIDE_OVRUN;
}
goto out;
*/
case SIR_SODL_UNDERRUN:
if (cp) {
- OUTONB (HF_PRT, HF_EXT_ERR);
+ OUTONB(np, HF_PRT, HF_EXT_ERR);
cp->xerr_status |= XE_SODL_UNRUN;
}
goto out;
*/
case SIR_DATA_OVERRUN:
if (cp) {
- OUTONB (HF_PRT, HF_EXT_ERR);
+ OUTONB(np, HF_PRT, HF_EXT_ERR);
cp->xerr_status |= XE_EXTRA_DATA;
- cp->extra_bytes += INL (nc_scratcha);
+ cp->extra_bytes += INL(np, nc_scratcha);
}
goto out;
/*
*/
case SIR_BAD_PHASE:
if (cp) {
- OUTONB (HF_PRT, HF_EXT_ERR);
+ OUTONB(np, HF_PRT, HF_EXT_ERR);
cp->xerr_status |= XE_BAD_PHASE;
}
goto out;
switch (np->msgin [2]) {
case M_X_MODIFY_DP:
if (DEBUG_FLAGS & DEBUG_POINTER)
- sym_print_msg(cp,"modify DP",np->msgin);
+ sym_print_msg(cp, NULL, 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,"ign wide residue", np->msgin);
+ sym_print_msg(cp, NULL, np->msgin);
if (cp->host_flags & HF_SENSE)
- OUTL_DSP (SCRIPTA_BA (np, clrack));
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
else
sym_modify_dp(np, tp, cp, -1);
return;
case M_REJECT:
- if (INB (HS_PRT) == HS_NEGOTIATE)
+ if (INB(np, HS_PRT) == HS_NEGOTIATE)
sym_nego_rejected(np, tp, cp);
else {
- PRINT_ADDR(cp);
- printf ("M_REJECT received (%x:%x).\n",
+ sym_print_addr(cp->cmd,
+ "M_REJECT received (%x:%x).\n",
scr_to_cpu(np->lastmsg), np->msgout[0]);
}
goto out_clrack;
*/
case SIR_MSG_WEIRD:
sym_print_msg(cp, "WEIRD message received", np->msgin);
- OUTL_DSP (SCRIPTB_BA (np, msg_weird));
+ OUTL_DSP(np, SCRIPTB_BA(np, msg_weird));
return;
/*
* Negotiation failed.
* Remove the HS_NEGOTIATE status.
*/
case SIR_NEGO_FAILED:
- OUTB (HS_PRT, HS_BUSY);
+ OUTB(np, HS_PRT, HS_BUSY);
/*
* Negotiation failed.
* Target does not want answer message.
case SIR_NEGO_PROTO:
sym_nego_default(np, tp, cp);
goto out;
- };
+ }
out:
- OUTONB_STD ();
+ OUTONB_STD();
return;
out_reject:
- OUTL_DSP (SCRIPTB_BA (np, msg_bad));
+ OUTL_DSP(np, SCRIPTB_BA(np, msg_bad));
return;
out_clrack:
- OUTL_DSP (SCRIPTA_BA (np, clrack));
+ OUTL_DSP(np, SCRIPTA_BA(np, clrack));
return;
out_stuck:
return;
/*
* Acquire a control block
*/
-ccb_p sym_get_ccb (hcb_p np, u_char tn, u_char ln, u_char tag_order)
+struct sym_ccb *sym_get_ccb (struct sym_hcb *np, struct scsi_cmnd *cmd, u_char tag_order)
{
- tcb_p tp = &np->target[tn];
- lcb_p lp = sym_lp(np, tp, ln);
+ u_char tn = cmd->device->id;
+ u_char ln = cmd->device->lun;
+ struct sym_tcb *tp = &np->target[tn];
+ struct sym_lcb *lp = sym_lp(tp, ln);
u_short tag = NO_TAG;
SYM_QUEHEAD *qp;
- ccb_p cp = (ccb_p) 0;
+ struct sym_ccb *cp = NULL;
/*
* Look for a free CCB
*/
if (sym_que_empty(&np->free_ccbq))
- (void) sym_alloc_ccb(np);
+ sym_alloc_ccb(np);
qp = sym_remque_head(&np->free_ccbq);
if (!qp)
goto out;
cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
-#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- /*
- * If the LCB is not yet available and the LUN
- * has been probed ok, try to allocate the LCB.
- */
- if (!lp && sym_is_bit(tp->lun_map, ln)) {
- lp = sym_alloc_lcb(np, tn, ln);
- if (!lp)
- goto out_free;
- }
-#endif
-
- /*
- * If the LCB is not available here, then the
- * logical unit is not yet discovered. For those
- * ones only accept 1 SCSI IO per logical unit,
- * since we cannot allow disconnections.
- */
- if (!lp) {
- if (!sym_is_bit(tp->busy0_map, ln))
- sym_set_bit(tp->busy0_map, ln);
- else
- goto out_free;
- } else {
+ {
/*
* If we have been asked for a tagged command.
*/
* Debugging purpose.
*/
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- assert(lp->busy_itl == 0);
+ if (lp->busy_itl != 0)
+ goto out_free;
#endif
/*
* Allocate resources for tags if not yet.
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
lp->itlq_tbl[tag] = cpu_to_scr(cp->ccb_ba);
lp->head.resel_sa =
- cpu_to_scr(SCRIPTA_BA (np, resel_tag));
+ cpu_to_scr(SCRIPTA_BA(np, resel_tag));
#endif
#ifdef SYM_OPT_LIMIT_COMMAND_REORDERING
cp->tags_si = lp->tags_si;
* Debugging purpose.
*/
#ifndef SYM_OPT_HANDLE_DEVICE_QUEUEING
- assert(lp->busy_itl == 0 && lp->busy_itlq == 0);
+ if (lp->busy_itl != 0 || lp->busy_itlq != 0)
+ goto out_free;
#endif
/*
* Count this nexus for this LUN.
if (lp->busy_itl == 1) {
lp->head.itl_task_sa = cpu_to_scr(cp->ccb_ba);
lp->head.resel_sa =
- cpu_to_scr(SCRIPTA_BA (np, resel_no_tag));
+ cpu_to_scr(SCRIPTA_BA(np, resel_no_tag));
}
else
goto out_free;
}
#endif
- /*
- * Remember all informations needed to free this CCB.
- */
cp->to_abort = 0;
+ cp->odd_byte_adjustment = 0;
cp->tag = tag;
cp->order = tag_order;
cp->target = tn;
cp->lun = ln;
if (DEBUG_FLAGS & DEBUG_TAGS) {
- PRINT_LUN(np, tn, ln);
- printf ("ccb @%p using tag %d.\n", cp, tag);
+ sym_print_addr(cmd, "ccb @%p using tag %d.\n", cp, tag);
}
out:
return cp;
out_free:
sym_insque_head(&cp->link_ccbq, &np->free_ccbq);
- return (ccb_p) 0;
+ return NULL;
}
/*
* Release one control block
*/
-void sym_free_ccb (hcb_p np, ccb_p cp)
+void sym_free_ccb (struct sym_hcb *np, struct sym_ccb *cp)
{
- tcb_p tp = &np->target[cp->target];
- lcb_p lp = sym_lp(np, tp, cp->lun);
+ struct sym_tcb *tp = &np->target[cp->target];
+ struct sym_lcb *lp = sym_lp(tp, cp->lun);
if (DEBUG_FLAGS & DEBUG_TAGS) {
- PRINT_LUN(np, cp->target, cp->lun);
- printf ("ccb @%p freeing tag %d.\n", cp, cp->tag);
+ sym_print_addr(cp->cmd, "ccb @%p freeing tag %d.\n",
+ cp, cp->tag);
}
/*
*/
if (lp->busy_itlq == 0 && lp->busy_itl == 0)
lp->head.resel_sa =
- cpu_to_scr(SCRIPTB_BA (np, resel_bad_lun));
+ cpu_to_scr(SCRIPTB_BA(np, resel_bad_lun));
}
- /*
- * Otherwise, we only accept 1 IO per LUN.
- * Clear the bit that keeps track of this IO.
- */
- else
- sym_clr_bit(tp->busy0_map, cp->lun);
/*
* We donnot queue more than 1 ccb per target
* used for negotiation, clear this info in the tcb.
*/
if (cp == tp->nego_cp)
- tp->nego_cp = 0;
+ tp->nego_cp = NULL;
#ifdef SYM_CONF_IARB_SUPPORT
/*
np->last_cp = 0;
#endif
- /*
- * Unmap user data from DMA map if needed.
- */
- sym_data_dmamap_unload(np, cp);
-
/*
* Make this CCB available.
*/
- cp->cam_ccb = 0;
+ cp->cmd = NULL;
cp->host_status = HS_IDLE;
sym_remque(&cp->link_ccbq);
sym_insque_head(&cp->link_ccbq, &np->free_ccbq);
-#ifdef SYM_OPT_HANDLE_IO_TIMEOUT
- /*
- * Cancel any pending timeout condition.
- */
- sym_untimeout_ccb(np, cp);
-#endif
-
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
if (lp) {
sym_remque(&cp->link2_ccbq);
/*
* Allocate a CCB from memory and initialize its fixed part.
*/
-static ccb_p sym_alloc_ccb(hcb_p np)
+static struct sym_ccb *sym_alloc_ccb(struct sym_hcb *np)
{
- ccb_p cp = 0;
+ struct sym_ccb *cp = NULL;
int hcode;
/*
* queue to the controller.
*/
if (np->actccbs >= SYM_CONF_MAX_START)
- return 0;
+ return NULL;
/*
* Allocate memory for this CCB.
if (!cp)
goto out_free;
- /*
- * Allocate a bounce buffer for sense data.
- */
- cp->sns_bbuf = sym_calloc_dma(SYM_SNS_BBUF_LEN, "SNS_BBUF");
- if (!cp->sns_bbuf)
- goto out_free;
-
- /*
- * Allocate a map for the DMA of user data.
- */
- if (sym_data_dmamap_create(np, cp))
- goto out_free;
-
/*
* Count it.
*/
/*
* Initialyze the start and restart actions.
*/
- cp->phys.head.go.start = cpu_to_scr(SCRIPTA_BA (np, idle));
- cp->phys.head.go.restart = cpu_to_scr(SCRIPTB_BA (np, bad_i_t_l));
+ cp->phys.head.go.start = cpu_to_scr(SCRIPTA_BA(np, idle));
+ cp->phys.head.go.restart = cpu_to_scr(SCRIPTB_BA(np, bad_i_t_l));
/*
* Initilialyze some other fields.
/*
* Chain into optionnal lists.
*/
-#ifdef SYM_OPT_HANDLE_IO_TIMEOUT
- sym_insque_head(&cp->tmo_linkq, &np->tmo0_ccbq);
-#endif
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
sym_insque_head(&cp->link2_ccbq, &np->dummy_ccbq);
#endif
return cp;
out_free:
- if (cp) {
- if (cp->sns_bbuf)
- sym_mfree_dma(cp->sns_bbuf,SYM_SNS_BBUF_LEN,"SNS_BBUF");
+ if (cp)
sym_mfree_dma(cp, sizeof(*cp), "CCB");
- }
- return 0;
+ return NULL;
}
/*
* Look up a CCB from a DSA value.
*/
-static ccb_p sym_ccb_from_dsa(hcb_p np, u32 dsa)
+static struct sym_ccb *sym_ccb_from_dsa(struct sym_hcb *np, u32 dsa)
{
int hcode;
- ccb_p cp;
+ struct sym_ccb *cp;
hcode = CCB_HASH_CODE(dsa);
cp = np->ccbh[hcode];
* Target control block initialisation.
* Nothing important to do at the moment.
*/
-static void sym_init_tcb (hcb_p np, u_char tn)
+static void sym_init_tcb (struct sym_hcb *np, u_char tn)
{
#if 0 /* Hmmm... this checking looks paranoid. */
/*
/*
* Lun control block allocation and initialization.
*/
-lcb_p sym_alloc_lcb (hcb_p np, u_char tn, u_char ln)
+struct sym_lcb *sym_alloc_lcb (struct sym_hcb *np, u_char tn, u_char ln)
{
- tcb_p tp = &np->target[tn];
- lcb_p lp = sym_lp(np, tp, ln);
-
- /*
- * Already done, just return.
- */
- if (lp)
- return lp;
-
- /*
- * Donnot allow LUN control block
- * allocation for not probed LUNs.
- */
- if (!sym_is_bit(tp->lun_map, ln))
- return 0;
+ struct sym_tcb *tp = &np->target[tn];
+ struct sym_lcb *lp = NULL;
/*
* Initialize the target control block if not yet.
* Allocate the table of pointers for LUN(s) > 0, if needed.
*/
if (ln && !tp->lunmp) {
- tp->lunmp = sym_calloc(SYM_CONF_MAX_LUN * sizeof(lcb_p),
- "LUNMP");
+ tp->lunmp = kcalloc(SYM_CONF_MAX_LUN, sizeof(struct sym_lcb *),
+ GFP_KERNEL);
if (!tp->lunmp)
goto fail;
}
/*
* Set the reselect pattern to our default. :)
*/
- lp->head.resel_sa = cpu_to_scr(SCRIPTB_BA (np, resel_bad_lun));
+ lp->head.resel_sa = cpu_to_scr(SCRIPTB_BA(np, resel_bad_lun));
/*
* Set user capabilities.
lp->started_max = SYM_CONF_MAX_TASK;
lp->started_limit = SYM_CONF_MAX_TASK;
#endif
- /*
- * If we are busy, count the IO.
- */
- if (sym_is_bit(tp->busy0_map, ln)) {
- lp->busy_itl = 1;
- sym_clr_bit(tp->busy0_map, ln);
- }
+
fail:
return lp;
}
/*
* Allocate LCB resources for tagged command queuing.
*/
-static void sym_alloc_lcb_tags (hcb_p np, u_char tn, u_char ln)
+static void sym_alloc_lcb_tags (struct sym_hcb *np, u_char tn, u_char ln)
{
- tcb_p tp = &np->target[tn];
- lcb_p lp = sym_lp(np, tp, ln);
+ struct sym_tcb *tp = &np->target[tn];
+ struct sym_lcb *lp = sym_lp(tp, ln);
int i;
- /*
- * If LCB not available, try to allocate it.
- */
- if (!lp && !(lp = sym_alloc_lcb(np, tn, ln)))
- goto fail;
-
/*
* Allocate the task table and and the tag allocation
* circular buffer. We want both or none.
lp->itlq_tbl = sym_calloc_dma(SYM_CONF_MAX_TASK*4, "ITLQ_TBL");
if (!lp->itlq_tbl)
goto fail;
- lp->cb_tags = sym_calloc(SYM_CONF_MAX_TASK, "CB_TAGS");
+ lp->cb_tags = kcalloc(SYM_CONF_MAX_TASK, 1, GFP_ATOMIC);
if (!lp->cb_tags) {
sym_mfree_dma(lp->itlq_tbl, SYM_CONF_MAX_TASK*4, "ITLQ_TBL");
- lp->itlq_tbl = 0;
+ lp->itlq_tbl = NULL;
goto fail;
}
/*
* Queue a SCSI IO to the controller.
*/
-int sym_queue_scsiio(hcb_p np, cam_scsiio_p csio, ccb_p cp)
+int sym_queue_scsiio(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp)
{
- tcb_p tp;
- lcb_p lp;
- u_char idmsg, *msgptr;
+ struct scsi_device *sdev = cmd->device;
+ struct sym_tcb *tp;
+ struct sym_lcb *lp;
+ u_char *msgptr;
u_int msglen;
+ int can_disconnect;
/*
* Keep track of the IO in our CCB.
*/
- cp->cam_ccb = (cam_ccb_p) csio;
+ cp->cmd = cmd;
/*
- * Retreive the target descriptor.
+ * Retrieve the target descriptor.
*/
tp = &np->target[cp->target];
/*
- * Retreive the lun descriptor.
+ * Retrieve the lun descriptor.
*/
- lp = sym_lp(np, tp, cp->lun);
+ lp = sym_lp(tp, sdev->lun);
- /*
- * Build the IDENTIFY message.
- */
- idmsg = M_IDENTIFY | cp->lun;
- if (cp->tag != NO_TAG || (lp && (lp->curr_flags & SYM_DISC_ENABLED)))
- idmsg |= 0x40;
+ can_disconnect = (cp->tag != NO_TAG) ||
+ (lp && (lp->curr_flags & SYM_DISC_ENABLED));
msgptr = cp->scsi_smsg;
msglen = 0;
- msgptr[msglen++] = idmsg;
+ msgptr[msglen++] = IDENTIFY(can_disconnect, sdev->lun);
/*
* Build the tag message if present.
if (lp->tags_sum[lp->tags_si]) {
order = M_ORDERED_TAG;
if ((DEBUG_FLAGS & DEBUG_TAGS)||sym_verbose>1) {
- PRINT_ADDR(cp);
- printf("ordered tag forced.\n");
+ sym_print_addr(cmd,
+ "ordered tag forced.\n");
}
}
lp->tags_since = 0;
* (nego_status is filled by sym_prepare_nego())
*/
cp->nego_status = 0;
- if (tp->tinfo.curr.width != tp->tinfo.goal.width ||
- tp->tinfo.curr.period != tp->tinfo.goal.period ||
- tp->tinfo.curr.offset != tp->tinfo.goal.offset ||
- tp->tinfo.curr.options != tp->tinfo.goal.options) {
- if (!tp->nego_cp && lp)
- msglen += sym_prepare_nego(np, cp, 0, msgptr + msglen);
+ if (tp->tgoal.check_nego && !tp->nego_cp && lp) {
+ msglen += sym_prepare_nego(np, cp, msgptr + msglen);
}
/*
* Startqueue
*/
- cp->phys.head.go.start = cpu_to_scr(SCRIPTA_BA (np, select));
- cp->phys.head.go.restart = cpu_to_scr(SCRIPTA_BA (np, resel_dsa));
+ cp->phys.head.go.start = cpu_to_scr(SCRIPTA_BA(np, select));
+ cp->phys.head.go.restart = cpu_to_scr(SCRIPTA_BA(np, resel_dsa));
/*
* select
/*
* message
*/
- cp->phys.smsg.addr = cpu_to_scr(CCB_BA (cp, scsi_smsg));
+ cp->phys.smsg.addr = CCB_BA(cp, scsi_smsg);
cp->phys.smsg.size = cpu_to_scr(msglen);
/*
* Build the CDB and DATA descriptor block
* and start the IO.
*/
- return sym_setup_data_and_start(np, csio, cp);
+ return sym_setup_data_and_start(np, cmd, cp);
}
/*
* Reset a SCSI target (all LUNs of this target).
*/
-int sym_reset_scsi_target(hcb_p np, int target)
+int sym_reset_scsi_target(struct sym_hcb *np, int target)
{
- tcb_p tp;
+ struct sym_tcb *tp;
if (target == np->myaddr || (u_int)target >= SYM_CONF_MAX_TARGET)
return -1;
tp->to_reset = 1;
np->istat_sem = SEM;
- OUTB (nc_istat, SIGP|SEM);
+ OUTB(np, nc_istat, SIGP|SEM);
return 0;
}
/*
* Abort a SCSI IO.
*/
-int sym_abort_ccb(hcb_p np, ccb_p cp, int timed_out)
+static int sym_abort_ccb(struct sym_hcb *np, struct sym_ccb *cp, int timed_out)
{
/*
* Check that the IO is active.
* Tell the SCRIPTS processor to stop and synchronize with us.
*/
np->istat_sem = SEM;
- OUTB (nc_istat, SIGP|SEM);
+ OUTB(np, nc_istat, SIGP|SEM);
return 0;
}
-int sym_abort_scsiio(hcb_p np, cam_ccb_p ccb, int timed_out)
+int sym_abort_scsiio(struct sym_hcb *np, struct scsi_cmnd *cmd, int timed_out)
{
- ccb_p cp;
+ struct sym_ccb *cp;
SYM_QUEHEAD *qp;
/*
* Look up our CCB control block.
*/
- cp = 0;
+ cp = NULL;
FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
- ccb_p cp2 = sym_que_entry(qp, struct sym_ccb, link_ccbq);
- if (cp2->cam_ccb == ccb) {
+ struct sym_ccb *cp2 = sym_que_entry(qp, struct sym_ccb, link_ccbq);
+ if (cp2->cmd == cmd) {
cp = cp2;
break;
}
}
/*
- * Complete execution of a SCSI command with extented
+ * Complete execution of a SCSI command with extended
* error, SCSI status error, or having been auto-sensed.
*
* The SCRIPTS processor is not running there, so we
* SCRATCHA is assumed to have been loaded with STARTPOS
* before the SCRIPTS called the C code.
*/
-void sym_complete_error (hcb_p np, ccb_p cp)
+void sym_complete_error(struct sym_hcb *np, struct sym_ccb *cp)
{
- tcb_p tp;
- lcb_p lp;
+ struct scsi_device *sdev;
+ struct scsi_cmnd *cmd;
+ struct sym_tcb *tp;
+ struct sym_lcb *lp;
int resid;
int i;
/*
* Paranoid check. :)
*/
- if (!cp || !cp->cam_ccb)
+ if (!cp || !cp->cmd)
return;
+ cmd = cp->cmd;
+ sdev = cmd->device;
if (DEBUG_FLAGS & (DEBUG_TINY|DEBUG_RESULT)) {
- printf ("CCB=%lx STAT=%x/%x/%x DEV=%d/%d\n", (unsigned long)cp,
- cp->host_status, cp->ssss_status, cp->host_flags,
- cp->target, cp->lun);
- MDELAY(100);
+ dev_info(&sdev->sdev_gendev, "CCB=%p STAT=%x/%x/%x\n", cp,
+ cp->host_status, cp->ssss_status, cp->host_flags);
}
/*
* Get target and lun pointers.
*/
tp = &np->target[cp->target];
- lp = sym_lp(np, tp, cp->lun);
+ lp = sym_lp(tp, sdev->lun);
/*
* Check for extended errors.
*/
if (cp->xerr_status) {
if (sym_verbose)
- sym_print_xerr(cp, cp->xerr_status);
+ sym_print_xerr(cmd, cp->xerr_status);
if (cp->host_status == HS_COMPLETE)
cp->host_status = HS_COMP_ERR;
}
* Dequeue all queued CCBs for that device
* not yet started by SCRIPTS.
*/
- i = (INL (nc_scratcha) - np->squeue_ba) / 4;
- i = sym_dequeue_from_squeue(np, i, cp->target, cp->lun, -1);
+ i = (INL(np, nc_scratcha) - np->squeue_ba) / 4;
+ i = sym_dequeue_from_squeue(np, i, cp->target, sdev->lun, -1);
/*
* Restart the SCRIPTS processor.
*/
- OUTL_DSP (SCRIPTA_BA (np, start));
+ OUTL_DSP(np, SCRIPTA_BA(np, start));
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
if (cp->host_status == HS_COMPLETE &&
lp->num_sgood = 0;
if (sym_verbose >= 2) {
- PRINT_LUN(np, cp->target, cp->lun);
- printf(" queue depth is now %d\n", lp->started_max);
+ sym_print_addr(cmd, " queue depth is now %d\n",
+ lp->started_max);
}
/*
/*
* Let's requeue it to device.
*/
- sym_set_cam_status(cp->cam_ccb, CAM_REQUEUE_REQ);
+ sym_set_cam_status(cmd, DID_SOFT_ERROR);
goto finish;
}
weirdness:
#endif
- /*
- * Synchronize DMA map if needed.
- */
- sym_data_dmamap_postsync(np, cp);
-
/*
* Build result in CAM ccb.
*/
/*
* Donnot start more than 1 command after an error.
*/
- if (lp)
- sym_start_next_ccbs(np, lp, 1);
+ sym_start_next_ccbs(np, lp, 1);
#endif
}
* The SCRIPTS processor is running while we are
* completing successful commands.
*/
-void sym_complete_ok (hcb_p np, ccb_p cp)
+void sym_complete_ok (struct sym_hcb *np, struct sym_ccb *cp)
{
- tcb_p tp;
- lcb_p lp;
- cam_ccb_p ccb;
+ struct sym_tcb *tp;
+ struct sym_lcb *lp;
+ struct scsi_cmnd *cmd;
int resid;
/*
* Paranoid check. :)
*/
- if (!cp || !cp->cam_ccb)
+ if (!cp || !cp->cmd)
return;
assert (cp->host_status == HS_COMPLETE);
/*
* Get user command.
*/
- ccb = cp->cam_ccb;
+ cmd = cp->cmd;
/*
* Get target and lun pointers.
*/
tp = &np->target[cp->target];
- lp = sym_lp(np, tp, cp->lun);
-
- /*
- * Assume device discovered on first success.
- */
- if (!lp)
- sym_set_bit(tp->lun_map, cp->lun);
+ lp = sym_lp(tp, cp->lun);
/*
* If all data have been transferred, given than no
* extended error did occur, there is no residual.
*/
resid = 0;
- if (cp->phys.head.lastp != sym_goalp(cp))
+ if (cp->phys.head.lastp != cp->goalp)
resid = sym_compute_residual(np, cp);
/*
* Wrong transfer residuals may be worse than just always
- * returning zero. User can disable this feature from
- * sym_conf.h. Residual support is enabled by default.
+ * returning zero. User can disable this feature in
+ * sym53c8xx.h. Residual support is enabled by default.
*/
if (!SYM_SETUP_RESIDUAL_SUPPORT)
resid = 0;
printf("XXXX RESID= %d - 0x%x\n", resid, resid);
#endif
- /*
- * Synchronize DMA map if needed.
- */
- sym_data_dmamap_postsync(np, cp);
-
/*
* Build result in CAM ccb.
*/
- sym_set_cam_result_ok(np, cp, resid);
-
-#ifdef SYM_OPT_SNIFF_INQUIRY
- /*
- * On standard INQUIRY response (EVPD and CmDt
- * not set), sniff out device capabilities.
- */
- if (cp->cdb_buf[0] == INQUIRY && !(cp->cdb_buf[1] & 0x3))
- sym_sniff_inquiry(np, cp->cam_ccb, resid);
-#endif
+ sym_set_cam_result_ok(cp, cmd, resid);
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
/*
lp->num_sgood = 0;
++lp->started_max;
if (sym_verbose >= 2) {
- PRINT_LUN(np, cp->target, cp->lun);
- printf(" queue depth is now %d\n",
+ sym_print_addr(cmd, " queue depth is now %d\n",
lp->started_max);
}
}
/*
* Requeue a couple of awaiting scsi commands.
*/
- if (lp && !sym_que_empty(&lp->waiting_ccbq))
+ if (!sym_que_empty(&lp->waiting_ccbq))
sym_start_next_ccbs(np, lp, 2);
#endif
/*
* Complete the command.
*/
- sym_xpt_done(np, ccb);
+ sym_xpt_done(np, cmd);
}
/*
* Soft-attach the controller.
*/
-#ifdef SYM_OPT_NVRAM_PRE_READ
-int sym_hcb_attach(hcb_p np, struct sym_fw *fw, struct sym_nvram *nvram)
-#else
-int sym_hcb_attach(hcb_p np, struct sym_fw *fw)
-#endif
+int sym_hcb_attach(struct Scsi_Host *shost, struct sym_fw *fw, struct sym_nvram *nvram)
{
-#ifndef SYM_OPT_NVRAM_PRE_READ
- struct sym_nvram nvram_buf, *nvram = &nvram_buf;
-#endif
+ struct sym_hcb *np = sym_get_hcb(shost);
int i;
/*
* that SCSI clock calibration may not work properly
* if the chip is currently active.
*/
- sym_chip_reset (np);
-
- /*
- * Try to read the user set-up.
- */
-#ifndef SYM_OPT_NVRAM_PRE_READ
- (void) sym_read_nvram(np, nvram);
-#endif
+ sym_chip_reset(np);
/*
* Prepare controller and devices settings, according
* to chip features, user set-up and driver set-up.
*/
- (void) sym_prepare_setting(np, nvram);
+ sym_prepare_setting(shost, np, nvram);
/*
* Check the PCI clock frequency.
/*
* Allocate the start queue.
*/
- np->squeue = (u32 *) sym_calloc_dma(sizeof(u32)*(MAX_QUEUE*2),"SQUEUE");
+ np->squeue = sym_calloc_dma(sizeof(u32)*(MAX_QUEUE*2),"SQUEUE");
if (!np->squeue)
goto attach_failed;
np->squeue_ba = vtobus(np->squeue);
/*
* Allocate the done queue.
*/
- np->dqueue = (u32 *) sym_calloc_dma(sizeof(u32)*(MAX_QUEUE*2),"DQUEUE");
+ np->dqueue = sym_calloc_dma(sizeof(u32)*(MAX_QUEUE*2),"DQUEUE");
if (!np->dqueue)
goto attach_failed;
np->dqueue_ba = vtobus(np->dqueue);
/*
* Allocate the target bus address array.
*/
- np->targtbl = (u32 *) sym_calloc_dma(256, "TARGTBL");
+ np->targtbl = sym_calloc_dma(256, "TARGTBL");
if (!np->targtbl)
goto attach_failed;
np->targtbl_ba = vtobus(np->targtbl);
/*
* Allocate the array of lists of CCBs hashed by DSA.
*/
- np->ccbh = sym_calloc(sizeof(ccb_p *)*CCB_HASH_SIZE, "CCBH");
+ np->ccbh = kcalloc(sizeof(struct sym_ccb **), CCB_HASH_SIZE, GFP_KERNEL);
if (!np->ccbh)
goto attach_failed;
sym_que_init(&np->comp_ccbq);
/*
- * Initializations for optional handling
- * of IO timeouts and device queueing.
+ * Initialization for optional handling
+ * of device queueing.
*/
-#ifdef SYM_OPT_HANDLE_IO_TIMEOUT
- sym_que_init(&np->tmo0_ccbq);
- np->tmo_ccbq =
- sym_calloc(2*SYM_CONF_TIMEOUT_ORDER_MAX*sizeof(SYM_QUEHEAD),
- "TMO_CCBQ");
- for (i = 0 ; i < 2*SYM_CONF_TIMEOUT_ORDER_MAX ; i++)
- sym_que_init(&np->tmo_ccbq[i]);
-#endif
#ifdef SYM_OPT_HANDLE_DEVICE_QUEUEING
sym_que_init(&np->dummy_ccbq);
#endif
/*
* Prepare the idle and invalid task actions.
*/
- np->idletask.start = cpu_to_scr(SCRIPTA_BA (np, idle));
- np->idletask.restart = cpu_to_scr(SCRIPTB_BA (np, bad_i_t_l));
+ np->idletask.start = cpu_to_scr(SCRIPTA_BA(np, idle));
+ np->idletask.restart = cpu_to_scr(SCRIPTB_BA(np, bad_i_t_l));
np->idletask_ba = vtobus(&np->idletask);
- np->notask.start = cpu_to_scr(SCRIPTA_BA (np, idle));
- np->notask.restart = cpu_to_scr(SCRIPTB_BA (np, bad_i_t_l));
+ np->notask.start = cpu_to_scr(SCRIPTA_BA(np, idle));
+ np->notask.restart = cpu_to_scr(SCRIPTB_BA(np, bad_i_t_l));
np->notask_ba = vtobus(&np->notask);
- np->bad_itl.start = cpu_to_scr(SCRIPTA_BA (np, idle));
- np->bad_itl.restart = cpu_to_scr(SCRIPTB_BA (np, bad_i_t_l));
+ np->bad_itl.start = cpu_to_scr(SCRIPTA_BA(np, idle));
+ np->bad_itl.restart = cpu_to_scr(SCRIPTB_BA(np, bad_i_t_l));
np->bad_itl_ba = vtobus(&np->bad_itl);
- np->bad_itlq.start = cpu_to_scr(SCRIPTA_BA (np, idle));
- np->bad_itlq.restart = cpu_to_scr(SCRIPTB_BA (np,bad_i_t_l_q));
+ np->bad_itlq.start = cpu_to_scr(SCRIPTA_BA(np, idle));
+ np->bad_itlq.restart = cpu_to_scr(SCRIPTB_BA(np,bad_i_t_l_q));
np->bad_itlq_ba = vtobus(&np->bad_itlq);
/*
if (!np->badluntbl)
goto attach_failed;
- np->badlun_sa = cpu_to_scr(SCRIPTB_BA (np, resel_bad_lun));
+ np->badlun_sa = cpu_to_scr(SCRIPTB_BA(np, resel_bad_lun));
for (i = 0 ; i < 64 ; i++) /* 64 luns/target, no less */
np->badluntbl[i] = cpu_to_scr(vtobus(&np->badlun_sa));
if (sym_snooptest (np)) {
printf("%s: CACHE INCORRECTLY CONFIGURED.\n", sym_name(np));
goto attach_failed;
- };
+ }
/*
* Sigh! we are done.
/*
* Free everything that has been allocated for this device.
*/
-void sym_hcb_free(hcb_p np)
+void sym_hcb_free(struct sym_hcb *np)
{
SYM_QUEHEAD *qp;
- ccb_p cp;
- tcb_p tp;
- lcb_p lp;
- int target, lun;
+ struct sym_ccb *cp;
+ struct sym_tcb *tp;
+ int target;
if (np->scriptz0)
sym_mfree_dma(np->scriptz0, np->scriptz_sz, "SCRIPTZ0");
sym_mfree_dma(np->scriptb0, np->scriptb_sz, "SCRIPTB0");
if (np->scripta0)
sym_mfree_dma(np->scripta0, np->scripta_sz, "SCRIPTA0");
-#ifdef SYM_OPT_HANDLE_IO_TIMEOUT
- if (np->tmo_ccbq)
- sym_mfree(np->tmo_ccbq,
- 2*SYM_CONF_TIMEOUT_ORDER_MAX*sizeof(SYM_QUEHEAD),
- "TMO_CCBQ");
-#endif
if (np->squeue)
sym_mfree_dma(np->squeue, sizeof(u32)*(MAX_QUEUE*2), "SQUEUE");
if (np->dqueue)
if (np->actccbs) {
while ((qp = sym_remque_head(&np->free_ccbq)) != 0) {
cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
- sym_data_dmamap_destroy(np, cp);
- sym_mfree_dma(cp->sns_bbuf, SYM_SNS_BBUF_LEN,
- "SNS_BBUF");
sym_mfree_dma(cp, sizeof(*cp), "CCB");
}
}
- if (np->ccbh)
- sym_mfree(np->ccbh, sizeof(ccb_p *)*CCB_HASH_SIZE, "CCBH");
+ kfree(np->ccbh);
if (np->badluntbl)
sym_mfree_dma(np->badluntbl, 256,"BADLUNTBL");
for (target = 0; target < SYM_CONF_MAX_TARGET ; target++) {
tp = &np->target[target];
- for (lun = 0 ; lun < SYM_CONF_MAX_LUN ; lun++) {
- lp = sym_lp(np, tp, lun);
- if (!lp)
- continue;
- if (lp->itlq_tbl)
- sym_mfree_dma(lp->itlq_tbl, SYM_CONF_MAX_TASK*4,
- "ITLQ_TBL");
- if (lp->cb_tags)
- sym_mfree(lp->cb_tags, SYM_CONF_MAX_TASK,
- "CB_TAGS");
- sym_mfree_dma(lp, sizeof(*lp), "LCB");
- }
#if SYM_CONF_MAX_LUN > 1
- if (tp->lunmp)
- sym_mfree(tp->lunmp, SYM_CONF_MAX_LUN*sizeof(lcb_p),
- "LUNMP");
+ kfree(tp->lunmp);
#endif
}
if (np->targtbl)
git://git.onelab.eu / linux-2.6.git / blobdiff