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-rw-r--r--sys/dev/aic7xxx/ahc_eisa.c12
-rw-r--r--sys/dev/aic7xxx/ahc_pci.c10
-rw-r--r--sys/dev/aic7xxx/aic7770.c73
-rw-r--r--sys/dev/aic7xxx/aic7xxx.c323
-rw-r--r--sys/dev/aic7xxx/aic7xxx.h90
-rw-r--r--sys/dev/aic7xxx/aic7xxx.reg78
-rw-r--r--sys/dev/aic7xxx/aic7xxx.seq166
-rw-r--r--sys/dev/aic7xxx/aic7xxx_93cx6.c165
-rw-r--r--sys/dev/aic7xxx/aic7xxx_93cx6.h42
-rw-r--r--sys/dev/aic7xxx/aic7xxx_freebsd.c1953
-rw-r--r--sys/dev/aic7xxx/aic7xxx_freebsd.h516
-rw-r--r--sys/dev/aic7xxx/aic7xxx_inline.h64
-rw-r--r--sys/dev/aic7xxx/aic7xxx_osm.c69
-rw-r--r--sys/dev/aic7xxx/aic7xxx_osm.h34
-rw-r--r--sys/dev/aic7xxx/aic7xxx_pci.c152
15 files changed, 858 insertions, 2889 deletions
diff --git a/sys/dev/aic7xxx/ahc_eisa.c b/sys/dev/aic7xxx/ahc_eisa.c
index f7552d4..eddfc9c 100644
--- a/sys/dev/aic7xxx/ahc_eisa.c
+++ b/sys/dev/aic7xxx/ahc_eisa.c
@@ -31,7 +31,7 @@
* $FreeBSD$
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/eisa/eisaconf.h>
@@ -148,7 +148,7 @@ aic7770_attach(device_t dev)
return (ENOMEM);
}
ahc->dev_softc = dev;
- error = aic7770_config(ahc, entry);
+ error = aic7770_config(ahc, entry, /*unused ioport arg*/0);
if (error != 0) {
ahc_free(ahc);
return (error);
@@ -159,7 +159,7 @@ aic7770_attach(device_t dev)
}
int
-aic7770_map_registers(struct ahc_softc *ahc)
+aic7770_map_registers(struct ahc_softc *ahc, u_int unused_ioport_arg)
{
struct resource *regs;
int rid;
@@ -191,10 +191,10 @@ aic7770_map_int(struct ahc_softc *ahc, int irq)
if (ahc->platform_data->irq == NULL)
return (ENOMEM);
ahc->platform_data->irq_res_type = SYS_RES_IRQ;
- return (0);
+ return (ahc_map_int(ahc));
}
-static device_method_t ahc_eisa_methods[] = {
+static device_method_t ahc_eisa_device_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, aic7770_probe),
DEVMETHOD(device_attach, aic7770_attach),
@@ -204,7 +204,7 @@ static device_method_t ahc_eisa_methods[] = {
static driver_t ahc_eisa_driver = {
"ahc",
- ahc_eisa_methods,
+ ahc_eisa_device_methods,
sizeof(struct ahc_softc)
};
diff --git a/sys/dev/aic7xxx/ahc_pci.c b/sys/dev/aic7xxx/ahc_pci.c
index b76d232..6060810 100644
--- a/sys/dev/aic7xxx/ahc_pci.c
+++ b/sys/dev/aic7xxx/ahc_pci.c
@@ -33,7 +33,7 @@
* $FreeBSD$
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#include <dev/aic7xxx/aic7xxx_osm.h>
#define AHC_PCI_IOADDR PCIR_MAPS /* I/O Address */
#define AHC_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */
@@ -41,7 +41,7 @@
static int ahc_pci_probe(device_t dev);
static int ahc_pci_attach(device_t dev);
-static device_method_t ahc_pci_methods[] = {
+static device_method_t ahc_pci_device_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, ahc_pci_probe),
DEVMETHOD(device_attach, ahc_pci_attach),
@@ -51,7 +51,7 @@ static device_method_t ahc_pci_methods[] = {
static driver_t ahc_pci_driver = {
"ahc",
- ahc_pci_methods,
+ ahc_pci_device_methods,
sizeof(struct ahc_softc)
};
@@ -222,7 +222,7 @@ ahc_pci_map_int(struct ahc_softc *ahc)
if (ahc->platform_data->irq == NULL)
return (ENOMEM);
ahc->platform_data->irq_res_type = SYS_RES_IRQ;
- return (0);
+ return (ahc_map_int(ahc));
}
void
@@ -248,7 +248,7 @@ ahc_power_state_change(struct ahc_softc *ahc, ahc_power_state new_state)
pm_control = ahc_pci_read_config(ahc->dev_softc,
cap_offset + 4,
- /*bytes*/4);
+ /*bytes*/2);
pm_control &= ~0x3;
pm_control |= new_state;
ahc_pci_write_config(ahc->dev_softc,
diff --git a/sys/dev/aic7xxx/aic7770.c b/sys/dev/aic7xxx/aic7770.c
index 8383762..92239f5 100644
--- a/sys/dev/aic7xxx/aic7770.c
+++ b/sys/dev/aic7xxx/aic7770.c
@@ -9,34 +9,48 @@
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
- * notice immediately at the beginning of the file, without modification,
- * 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.
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
- * $Id: //depot/src/aic7xxx/aic7770.c#12 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7770.c#16 $
*
* $FreeBSD$
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#ifdef __linux__
+#include "aic7xxx_osm.h"
+#include "aic7xxx_inline.h"
+#include "aic7xxx_93cx6.h"
+#else
+#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/aic7xxx/aic7xxx_inline.h>
#include <dev/aic7xxx/aic7xxx_93cx6.h>
+#endif
#define ID_AIC7770 0x04907770
#define ID_AHA_274x 0x04907771
@@ -88,7 +102,7 @@ aic7770_find_device(uint32_t id)
}
int
-aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry)
+aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
{
int error;
u_int hostconf;
@@ -99,10 +113,18 @@ aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry)
if (error != 0)
return (error);
- error = aic7770_map_registers(ahc);
+ error = aic7770_map_registers(ahc, io);
if (error != 0)
return (error);
+ /*
+ * Before we continue probing the card, ensure that
+ * its interrupts are *disabled*. We don't want
+ * a misstep to hang the machine in an interrupt
+ * storm.
+ */
+ ahc_intr_enable(ahc, FALSE);
+
ahc->description = entry->name;
error = ahc_softc_init(ahc);
@@ -223,7 +245,6 @@ aha2840_load_seeprom(struct ahc_softc *ahc)
{
struct seeprom_descriptor sd;
struct seeprom_config sc;
- uint16_t checksum = 0;
uint8_t scsi_conf;
int have_seeprom;
@@ -241,20 +262,12 @@ aha2840_load_seeprom(struct ahc_softc *ahc)
if (bootverbose)
printf("%s: Reading SEEPROM...", ahc_name(ahc));
- have_seeprom = read_seeprom(&sd,
- (uint16_t *)&sc,
- /*start_addr*/0,
- sizeof(sc)/2);
+ have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)&sc,
+ /*start_addr*/0, sizeof(sc)/2);
if (have_seeprom) {
- /* Check checksum */
- int i;
- int maxaddr = (sizeof(sc)/2) - 1;
- uint16_t *scarray = (uint16_t *)&sc;
- for (i = 0; i < maxaddr; i++)
- checksum = checksum + scarray[i];
- if (checksum != sc.checksum) {
+ if (ahc_verify_cksum(&sc) == 0) {
if(bootverbose)
printf ("checksum error\n");
have_seeprom = 0;
diff --git a/sys/dev/aic7xxx/aic7xxx.c b/sys/dev/aic7xxx/aic7xxx.c
index 8b6c634..654c4f9 100644
--- a/sys/dev/aic7xxx/aic7xxx.c
+++ b/sys/dev/aic7xxx/aic7xxx.c
@@ -2,6 +2,7 @@
* Core routines and tables shareable across OS platforms.
*
* Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2001 Adaptec Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -10,32 +11,46 @@
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
- * $Id: //depot/src/aic7xxx/aic7xxx.c#43 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.c#59 $
*
* $FreeBSD$
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#ifdef __linux__
+#include "aic7xxx_osm.h"
+#include "aic7xxx_inline.h"
+#include "aicasm/aicasm_insformat.h"
+#else
+#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/aic7xxx/aic7xxx_inline.h>
#include <dev/aic7xxx/aicasm/aicasm_insformat.h>
+#endif
/****************************** Softc Data ************************************/
struct ahc_softc_tailq ahc_tailq = TAILQ_HEAD_INITIALIZER(ahc_tailq);
@@ -129,6 +144,7 @@ static struct ahc_syncrate ahc_syncrates[] =
#include "aic7xxx_seq.h"
/**************************** Function Declarations ***************************/
+static void ahc_force_renegotiation(struct ahc_softc *ahc);
static struct ahc_tmode_tstate*
ahc_alloc_tstate(struct ahc_softc *ahc,
u_int scsi_id, char channel);
@@ -203,9 +219,6 @@ static u_int ahc_rem_scb_from_disc_list(struct ahc_softc *ahc,
static void ahc_add_curscb_to_free_list(struct ahc_softc *ahc);
static u_int ahc_rem_wscb(struct ahc_softc *ahc,
u_int scbpos, u_int prev);
-static int ahc_abort_scbs(struct ahc_softc *ahc, int target,
- char channel, int lun, u_int tag,
- role_t role, uint32_t status);
static void ahc_reset_current_bus(struct ahc_softc *ahc);
#ifdef AHC_DUMP_SEQ
static void ahc_dumpseq(struct ahc_softc *ahc);
@@ -237,9 +250,15 @@ ahc_restart(struct ahc_softc *ahc)
ahc_pause(ahc);
+ /* No more pending messages. */
+ ahc_clear_msg_state(ahc);
+
ahc_outb(ahc, SCSISIGO, 0); /* De-assert BSY */
ahc_outb(ahc, MSG_OUT, MSG_NOOP); /* No message to send */
ahc_outb(ahc, SXFRCTL1, ahc_inb(ahc, SXFRCTL1) & ~BITBUCKET);
+ ahc_outb(ahc, LASTPHASE, P_BUSFREE);
+ ahc_outb(ahc, SAVED_SCSIID, 0xFF);
+ ahc_outb(ahc, SAVED_LUN, 0xFF);
/*
* Ensure that the sequencer's idea of TQINPOS
@@ -319,7 +338,7 @@ ahc_run_qoutfifo(struct ahc_softc *ahc)
* Save off the residual
* if there is one.
*/
- ahc_update_residual(scb);
+ ahc_update_residual(ahc, scb);
ahc_done(ahc, scb);
}
}
@@ -480,7 +499,7 @@ ahc_handle_seqint(struct ahc_softc *ahc, u_int intstat)
/*
* Save off the residual if there is one.
*/
- ahc_update_residual(scb);
+ ahc_update_residual(ahc, scb);
#ifdef AHC_DEBUG
if (ahc_debug & AHC_SHOWSENSE) {
ahc_print_path(ahc, scb);
@@ -705,19 +724,20 @@ ahc_handle_seqint(struct ahc_softc *ahc, u_int intstat)
MSG_TYPE_INITIATOR_MSGIN;
ahc->msgin_index = 0;
}
- } else {
+ }
+#if AHC_TARGET_MODE
+ else {
if (bus_phase == P_MESGOUT) {
ahc->msg_type =
MSG_TYPE_TARGET_MSGOUT;
ahc->msgin_index = 0;
}
-#if AHC_TARGET_MODE
else
ahc_setup_target_msgin(ahc,
&devinfo,
scb);
-#endif
}
+#endif
}
ahc_handle_message_phase(ahc);
@@ -801,7 +821,12 @@ ahc_handle_seqint(struct ahc_softc *ahc, u_int intstat)
* target does a command complete.
*/
ahc_freeze_devq(ahc, scb);
- ahc_set_transaction_status(scb, CAM_DATA_RUN_ERR);
+ if ((scb->flags & SCB_SENSE) == 0) {
+ ahc_set_transaction_status(scb, CAM_DATA_RUN_ERR);
+ } else {
+ scb->flags &= ~SCB_SENSE;
+ ahc_set_transaction_status(scb, CAM_AUTOSENSE_FAIL);
+ }
ahc_freeze_scb(scb);
if ((ahc->features & AHC_ULTRA2) != 0) {
@@ -1063,10 +1088,16 @@ ahc_handle_scsiint(struct ahc_softc *ahc, u_int intstat)
else
ahc_outb(ahc, MSG_OUT, mesg_out);
}
+ /*
+ * Force a renegotiation with this target just in
+ * case we are out of sync for some external reason
+ * unknown (or unreported) by the target.
+ */
+ ahc_force_renegotiation(ahc);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
ahc_unpause(ahc);
} else if ((status & SELTO) != 0) {
- u_int scbptr;
+ u_int scbptr;
/* Stop the selection */
ahc_outb(ahc, SCSISEQ, 0);
@@ -1102,6 +1133,16 @@ ahc_handle_scsiint(struct ahc_softc *ahc, u_int intstat)
ahc_freeze_devq(ahc, scb);
}
ahc_outb(ahc, CLRINT, CLRSCSIINT);
+ /*
+ * Force a renegotiation with this target just in
+ * case the cable was pulled and will later be
+ * re-attached. The target may forget its negotiation
+ * settings with us should it attempt to reselect
+ * during the interruption. The target will not issue
+ * a unit attention in this case, so we must always
+ * renegotiate.
+ */
+ ahc_force_renegotiation(ahc);
ahc_restart(ahc);
} else if ((status & BUSFREE) != 0
&& (ahc_inb(ahc, SIMODE1) & ENBUSFREE) != 0) {
@@ -1167,7 +1208,6 @@ ahc_handle_scsiint(struct ahc_softc *ahc, u_int intstat)
printerror = 0;
} else if (ahc_sent_msg(ahc, AHCMSG_1B,
MSG_BUS_DEV_RESET, TRUE)) {
- struct ahc_devinfo devinfo;
#ifdef __FreeBSD__
/*
* Don't mark the user's request for this BDR
@@ -1267,7 +1307,6 @@ ahc_handle_scsiint(struct ahc_softc *ahc, u_int intstat)
ahc_inb(ahc, SEQADDR0)
| (ahc_inb(ahc, SEQADDR1) << 8));
}
- ahc_clear_msg_state(ahc);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
ahc_restart(ahc);
} else {
@@ -1277,6 +1316,27 @@ ahc_handle_scsiint(struct ahc_softc *ahc, u_int intstat)
}
}
+/*
+ * Force renegotiation to occur the next time we initiate
+ * a command to the current device.
+ */
+static void
+ahc_force_renegotiation(struct ahc_softc *ahc)
+{
+ struct ahc_devinfo devinfo;
+ struct ahc_initiator_tinfo *targ_info;
+ struct ahc_tmode_tstate *tstate;
+
+ ahc_fetch_devinfo(ahc, &devinfo);
+ targ_info = ahc_fetch_transinfo(ahc,
+ devinfo.channel,
+ devinfo.our_scsiid,
+ devinfo.target,
+ &tstate);
+ ahc_update_neg_request(ahc, &devinfo, tstate,
+ targ_info, /*force*/TRUE);
+}
+
#define AHC_MAX_STEPS 2000
void
ahc_clear_critical_section(struct ahc_softc *ahc)
@@ -1343,9 +1403,8 @@ ahc_clear_critical_section(struct ahc_softc *ahc)
stepping = TRUE;
}
ahc_outb(ahc, HCNTRL, ahc->unpause);
- do {
+ while (!ahc_is_paused(ahc))
ahc_delay(200);
- } while (!ahc_is_paused(ahc));
}
if (stepping) {
ahc_outb(ahc, SIMODE0, simode0);
@@ -1364,11 +1423,18 @@ ahc_clear_intstat(struct ahc_softc *ahc)
ahc_outb(ahc, CLRSINT1, CLRSELTIMEO|CLRATNO|CLRSCSIRSTI
|CLRBUSFREE|CLRSCSIPERR|CLRPHASECHG|
CLRREQINIT);
+ ahc_flush_device_writes(ahc);
ahc_outb(ahc, CLRSINT0, CLRSELDO|CLRSELDI|CLRSELINGO);
+ ahc_flush_device_writes(ahc);
ahc_outb(ahc, CLRINT, CLRSCSIINT);
+ ahc_flush_device_writes(ahc);
}
/**************************** Debugging Routines ******************************/
+#ifdef AHC_DEBUG
+int ahc_debug = AHC_DEBUG;
+#endif
+
void
ahc_print_scb(struct scb *scb)
{
@@ -1437,7 +1503,7 @@ ahc_alloc_tstate(struct ahc_softc *ahc, u_int scsi_id, char channel)
memcpy(tstate, master_tstate, sizeof(*tstate));
memset(tstate->enabled_luns, 0, sizeof(tstate->enabled_luns));
tstate->ultraenb = 0;
- for (i = 0; i < 16; i++) {
+ for (i = 0; i < AHC_NUM_TARGETS; i++) {
memset(&tstate->transinfo[i].curr, 0,
sizeof(tstate->transinfo[i].curr));
memset(&tstate->transinfo[i].goal, 0,
@@ -1486,7 +1552,8 @@ ahc_free_tstate(struct ahc_softc *ahc, u_int scsi_id, char channel, int force)
struct ahc_syncrate *
ahc_devlimited_syncrate(struct ahc_softc *ahc,
struct ahc_initiator_tinfo *tinfo,
- u_int *period, u_int *ppr_options, role_t role) {
+ u_int *period, u_int *ppr_options, role_t role)
+{
struct ahc_transinfo *transinfo;
u_int maxsync;
@@ -2284,7 +2351,7 @@ ahc_construct_sdtr(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
}
/*
- * Build a wide negotiateion message in our message
+ * Build a wide negotiation message in our message
* buffer based on the input parameters.
*/
static void
@@ -2346,6 +2413,8 @@ ahc_clear_msg_state(struct ahc_softc *ahc)
ahc_outb(ahc, CLRSINT1, CLRATNO);
}
ahc_outb(ahc, MSG_OUT, MSG_NOOP);
+ ahc_outb(ahc, SEQ_FLAGS2,
+ ahc_inb(ahc, SEQ_FLAGS2) & ~TARGET_MSG_PENDING);
}
/*
@@ -2537,7 +2606,7 @@ reswitch:
/*
* Read the latched byte, but turn off SPIOEN first
- * so that we don't inadvertantly cause a REQ for the
+ * so that we don't inadvertently cause a REQ for the
* next byte.
*/
ahc_outb(ahc, SXFRCTL0, ahc_inb(ahc, SXFRCTL0) & ~SPIOEN);
@@ -2982,6 +3051,7 @@ ahc_parse_msg(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
}
break;
}
+#ifdef AHC_TARGET_MODE
case MSG_BUS_DEV_RESET:
ahc_handle_devreset(ahc, devinfo,
CAM_BDR_SENT,
@@ -2993,18 +3063,20 @@ ahc_parse_msg(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
case MSG_ABORT_TAG:
case MSG_ABORT:
case MSG_CLEAR_QUEUE:
-#ifdef AHC_TARGET_MODE
+ {
+ int tag;
+
/* Target mode messages */
if (devinfo->role != ROLE_TARGET) {
reject = TRUE;
break;
}
+ tag = SCB_LIST_NULL;
+ if (ahc->msgin_buf[0] == MSG_ABORT_TAG)
+ tag = ahc_inb(ahc, INITIATOR_TAG);
ahc_abort_scbs(ahc, devinfo->target, devinfo->channel,
- devinfo->lun,
- ahc->msgin_buf[0] == MSG_ABORT_TAG
- ? SCB_LIST_NULL
- : ahc_inb(ahc, INITIATOR_TAG),
- ROLE_TARGET, CAM_REQ_ABORTED);
+ devinfo->lun, tag, ROLE_TARGET,
+ CAM_REQ_ABORTED);
tstate = ahc->enabled_targets[devinfo->our_scsiid];
if (tstate != NULL) {
@@ -3015,12 +3087,14 @@ ahc_parse_msg(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
ahc_queue_lstate_event(ahc, lstate,
devinfo->our_scsiid,
ahc->msgin_buf[0],
- /*arg*/0);
+ /*arg*/tag);
ahc_send_lstate_events(ahc, lstate);
}
}
- done = MSGLOOP_MSGCOMPLETE;
+ ahc_restart(ahc);
+ done = MSGLOOP_TERMINATED;
break;
+ }
#endif
case MSG_TERM_IO_PROC:
default:
@@ -3475,7 +3549,7 @@ ahc_alloc(void *platform_arg, char *name)
ahc->bugs = AHC_BUGNONE;
ahc->flags = AHC_FNONE;
- for (i = 0; i < 16; i++)
+ for (i = 0; i < AHC_NUM_TARGETS; i++)
TAILQ_INIT(&ahc->untagged_queues[i]);
if (ahc_platform_alloc(ahc, platform_arg) != 0) {
ahc_free(ahc);
@@ -3562,6 +3636,22 @@ ahc_softc_insert(struct ahc_softc *ahc)
ahc->init_level++;
}
+/*
+ * Verify that the passed in softc pointer is for a
+ * controller that is still configured.
+ */
+struct ahc_softc *
+ahc_find_softc(struct ahc_softc *ahc)
+{
+ struct ahc_softc *list_ahc;
+
+ TAILQ_FOREACH(list_ahc, &ahc_tailq, links) {
+ if (list_ahc == ahc)
+ return (ahc);
+ }
+ return (NULL);
+}
+
void
ahc_set_unit(struct ahc_softc *ahc, int unit)
{
@@ -3662,7 +3752,7 @@ ahc_shutdown(void *arg)
ahc_outb(ahc, SXFRCTL0, 0);
ahc_outb(ahc, DSPCISTATUS, 0);
- for (i = TARG_SCSIRATE; i < HA_274_BIOSCTRL; i++)
+ for (i = TARG_SCSIRATE; i < SCSICONF; i++)
ahc_outb(ahc, i, 0);
}
@@ -3701,7 +3791,10 @@ ahc_reset(struct ahc_softc *ahc)
ahc_outb(ahc, HCNTRL, CHIPRST | ahc->pause);
/*
- * Ensure that the reset has finished
+ * Ensure that the reset has finished. We delay 1000us
+ * prior to reading the register to make sure the chip
+ * has sufficiently completed its reset to handle register
+ * accesses.
*/
wait = 1000;
do {
@@ -3815,10 +3908,6 @@ ahc_build_free_scb_list(struct ahc_softc *ahc)
/* Make sure that the last SCB terminates the free list */
ahc_outb(ahc, SCBPTR, i-1);
ahc_outb(ahc, SCB_NEXT, SCB_LIST_NULL);
-
- /* Ensure we clear the 0 SCB's control byte. */
- ahc_outb(ahc, SCBPTR, 0);
- ahc_outb(ahc, SCB_CONTROL, 0);
}
static int
@@ -3832,11 +3921,11 @@ ahc_init_scbdata(struct ahc_softc *ahc)
/* Allocate SCB resources */
scb_data->scbarray =
- (struct scb *)malloc(sizeof(struct scb) * AHC_SCB_MAX,
+ (struct scb *)malloc(sizeof(struct scb) * AHC_SCB_MAX_ALLOC,
M_DEVBUF, M_NOWAIT);
if (scb_data->scbarray == NULL)
return (ENOMEM);
- memset(scb_data->scbarray, 0, sizeof(struct scb) * AHC_SCB_MAX);
+ memset(scb_data->scbarray, 0, sizeof(struct scb) * AHC_SCB_MAX_ALLOC);
/* Determine the number of hardware SCBs and initialize them */
@@ -3871,7 +3960,7 @@ ahc_init_scbdata(struct ahc_softc *ahc)
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
- AHC_SCB_MAX * sizeof(struct hardware_scb),
+ AHC_SCB_MAX_ALLOC * sizeof(struct hardware_scb),
/*nsegments*/1,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &scb_data->hscb_dmat) != 0) {
@@ -3892,7 +3981,7 @@ ahc_init_scbdata(struct ahc_softc *ahc)
/* And permanently map them */
ahc_dmamap_load(ahc, scb_data->hscb_dmat, scb_data->hscb_dmamap,
scb_data->hscbs,
- AHC_SCB_MAX * sizeof(struct hardware_scb),
+ AHC_SCB_MAX_ALLOC * sizeof(struct hardware_scb),
ahc_dmamap_cb, &scb_data->hscb_busaddr, /*flags*/0);
scb_data->init_level++;
@@ -3903,7 +3992,7 @@ ahc_init_scbdata(struct ahc_softc *ahc)
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
- AHC_SCB_MAX * sizeof(struct scsi_sense_data),
+ AHC_SCB_MAX_ALLOC * sizeof(struct scsi_sense_data),
/*nsegments*/1,
/*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT,
/*flags*/0, &scb_data->sense_dmat) != 0) {
@@ -3924,7 +4013,7 @@ ahc_init_scbdata(struct ahc_softc *ahc)
/* And permanently map them */
ahc_dmamap_load(ahc, scb_data->sense_dmat, scb_data->sense_dmamap,
scb_data->sense,
- AHC_SCB_MAX * sizeof(struct scsi_sense_data),
+ AHC_SCB_MAX_ALLOC * sizeof(struct scsi_sense_data),
ahc_dmamap_cb, &scb_data->sense_busaddr, /*flags*/0);
scb_data->init_level++;
@@ -3944,7 +4033,8 @@ ahc_init_scbdata(struct ahc_softc *ahc)
scb_data->init_level++;
/* Perform initial CCB allocation */
- memset(scb_data->hscbs, 0, AHC_SCB_MAX * sizeof(struct hardware_scb));
+ memset(scb_data->hscbs, 0,
+ AHC_SCB_MAX_ALLOC * sizeof(struct hardware_scb));
ahc_alloc_scbs(ahc);
if (scb_data->numscbs == 0) {
@@ -4036,7 +4126,7 @@ ahc_alloc_scbs(struct ahc_softc *ahc)
int i;
scb_data = ahc->scb_data;
- if (scb_data->numscbs >= AHC_SCB_MAX)
+ if (scb_data->numscbs >= AHC_SCB_MAX_ALLOC)
/* Can't allocate any more */
return;
@@ -4065,7 +4155,8 @@ ahc_alloc_scbs(struct ahc_softc *ahc)
physaddr = sg_map->sg_physaddr;
newcount = (PAGE_SIZE / (AHC_NSEG * sizeof(struct ahc_dma_seg)));
- for (i = 0; scb_data->numscbs < AHC_SCB_MAX && i < newcount; i++) {
+ newcount = MIN(newcount, (AHC_SCB_MAX_ALLOC - scb_data->numscbs));
+ for (i = 0; i < newcount; i++) {
struct scb_platform_data *pdata;
#ifndef __linux__
int error;
@@ -4137,7 +4228,7 @@ ahc_controller_info(struct ahc_softc *ahc, char *buf)
if ((ahc->flags & AHC_PAGESCBS) != 0)
sprintf(buf, "%d/%d SCBs",
- ahc->scb_data->maxhscbs, AHC_SCB_MAX);
+ ahc->scb_data->maxhscbs, AHC_MAX_QUEUE);
else
sprintf(buf, "%d SCBs", ahc->scb_data->maxhscbs);
}
@@ -4180,6 +4271,12 @@ ahc_init(struct ahc_softc *ahc)
}
}
printf ("\n");
+ /*
+ * Reading uninitialized scratch ram may
+ * generate parity errors.
+ */
+ ahc_outb(ahc, CLRINT, CLRPARERR);
+ ahc_outb(ahc, CLRINT, CLRBRKADRINT);
#endif
max_targ = 15;
@@ -4303,7 +4400,7 @@ ahc_init(struct ahc_softc *ahc)
ahc_outb(ahc, SEQ_FLAGS, 0);
ahc_outb(ahc, SEQ_FLAGS2, 0);
- if (ahc->scb_data->maxhscbs < AHC_SCB_MAX) {
+ if (ahc->scb_data->maxhscbs < AHC_SCB_MAX_ALLOC) {
ahc->flags |= AHC_PAGESCBS;
} else {
ahc->flags &= ~AHC_PAGESCBS;
@@ -4371,7 +4468,7 @@ ahc_init(struct ahc_softc *ahc)
tagenable = ALL_TARGETS_MASK;
/* Grab the disconnection disable table and invert it for our needs */
- if (ahc->flags & AHC_USEDEFAULTS) {
+ if ((ahc->flags & AHC_USEDEFAULTS) != 0) {
printf("%s: Host Adapter Bios disabled. Using default SCSI "
"device parameters\n", ahc_name(ahc));
ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B|
@@ -5014,7 +5111,8 @@ ahc_search_qinfifo(struct ahc_softc *ahc, int target, char channel,
uint8_t qinstart;
uint8_t qinpos;
uint8_t qintail;
- uint8_t next, prev;
+ uint8_t next;
+ uint8_t prev;
uint8_t curscbptr;
int found;
int maxtarget;
@@ -5029,7 +5127,6 @@ ahc_search_qinfifo(struct ahc_softc *ahc, int target, char channel,
} else
qinstart = ahc_inb(ahc, QINPOS);
qinpos = qinstart;
- next = ahc_inb(ahc, NEXT_QUEUED_SCB);
found = 0;
prev_scb = NULL;
@@ -5079,9 +5176,9 @@ ahc_search_qinfifo(struct ahc_softc *ahc, int target, char channel,
ahc_done(ahc, scb);
/* FALLTHROUGH */
+ }
case SEARCH_REMOVE:
break;
- }
case SEARCH_COUNT:
ahc_qinfifo_requeue(ahc, prev_scb, scb);
prev_scb = scb;
@@ -5507,24 +5604,40 @@ ahc_abort_scbs(struct ahc_softc *ahc, int target, char channel,
maxlun = lun + 1;
}
- for (;i < maxtarget; i++) {
- for (j = minlun;j < maxlun; j++)
- ahc_unbusy_tcl(ahc, BUILD_TCL(i << 4, j));
- }
+ if (role != ROLE_TARGET) {
+ for (;i < maxtarget; i++) {
+ for (j = minlun;j < maxlun; j++) {
+ u_int scbid;
+ u_int tcl;
- /*
- * Go through the disconnected list and remove any entries we
- * have queued for completion, 0'ing their control byte too.
- * We save the active SCB and restore it ourselves, so there
- * is no reason for this search to restore it too.
- */
- ahc_search_disc_list(ahc, target, channel, lun, tag,
- /*stop_on_first*/FALSE, /*remove*/TRUE,
- /*save_state*/FALSE);
+ tcl = BUILD_TCL(i << 4, j);
+ scbid = ahc_index_busy_tcl(ahc, tcl);
+ scbp = ahc_lookup_scb(ahc, scbid);
+ if (scbp == NULL
+ || ahc_match_scb(ahc, scbp, target, channel,
+ lun, tag, role) == 0)
+ continue;
+ ahc_unbusy_tcl(ahc, BUILD_TCL(i << 4, j));
+ }
+ }
+
+ /*
+ * Go through the disconnected list and remove any entries we
+ * have queued for completion, 0'ing their control byte too.
+ * We save the active SCB and restore it ourselves, so there
+ * is no reason for this search to restore it too.
+ */
+ ahc_search_disc_list(ahc, target, channel, lun, tag,
+ /*stop_on_first*/FALSE, /*remove*/TRUE,
+ /*save_state*/FALSE);
+ }
/*
* Go through the hardware SCB array looking for commands that
- * were active but not on any list.
+ * were active but not on any list. In some cases, these remnants
+ * might not still have mappings in the scbindex array (e.g. unexpected
+ * bus free with the same scb queued for an abort). Don't hold this
+ * against them.
*/
for (i = 0; i < ahc->scb_data->maxhscbs; i++) {
u_int scbid;
@@ -5532,8 +5645,9 @@ ahc_abort_scbs(struct ahc_softc *ahc, int target, char channel,
ahc_outb(ahc, SCBPTR, i);
scbid = ahc_inb(ahc, SCB_TAG);
scbp = ahc_lookup_scb(ahc, scbid);
- if (scbp != NULL
- && ahc_match_scb(ahc, scbp, target, channel, lun, tag, role))
+ if ((scbp == NULL && scbid != SCB_LIST_NULL)
+ || (scbp != NULL
+ && ahc_match_scb(ahc, scbp, target, channel, lun, tag, role)))
ahc_add_curscb_to_free_list(ahc);
}
@@ -5575,6 +5689,7 @@ ahc_reset_current_bus(struct ahc_softc *ahc)
ahc_outb(ahc, SIMODE1, ahc_inb(ahc, SIMODE1) & ~ENSCSIRST);
scsiseq = ahc_inb(ahc, SCSISEQ);
ahc_outb(ahc, SCSISEQ, scsiseq | SCSIRSTO);
+ ahc_flush_device_writes(ahc);
ahc_delay(AHC_BUSRESET_DELAY);
/* Turn off the bus reset */
ahc_outb(ahc, SCSISEQ, scsiseq & ~SCSIRSTO);
@@ -5616,6 +5731,16 @@ ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset)
*/
ahc_run_qoutfifo(ahc);
#if AHC_TARGET_MODE
+ /*
+ * XXX - In Twin mode, the tqinfifo may have commands
+ * for an unaffected channel in it. However, if
+ * we have run out of ATIO resources to drain that
+ * queue, we may not get them all out here. Further,
+ * the blocked transactions for the reset channel
+ * should just be killed off, irrespecitve of whether
+ * we are blocked on ATIO resources. Write a routine
+ * to compact the tqinfifo appropriately.
+ */
if ((ahc->flags & AHC_TARGETROLE) != 0) {
ahc_run_tqinfifo(ahc, /*paused*/TRUE);
}
@@ -5637,10 +5762,6 @@ ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset)
*/
ahc_outb(ahc, SBLKCTL, sblkctl ^ SELBUSB);
simode1 = ahc_inb(ahc, SIMODE1) & ~(ENBUSFREE|ENSCSIRST);
- ahc_outb(ahc, SIMODE1, simode1);
- if (initiate_reset)
- ahc_reset_current_bus(ahc);
- ahc_clear_intstat(ahc);
#if AHC_TARGET_MODE
/*
* Bus resets clear ENSELI, so we cannot
@@ -5648,19 +5769,18 @@ ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset)
* if we are in target mode.
*/
if ((ahc->flags & AHC_TARGETROLE) != 0)
- ahc_outb(ahc, SIMODE1, simode1 | ENSCSIRST);
+ simode1 |= ENSCSIRST;
#endif
+ ahc_outb(ahc, SIMODE1, simode1);
+ if (initiate_reset)
+ ahc_reset_current_bus(ahc);
+ ahc_clear_intstat(ahc);
ahc_outb(ahc, SCSISEQ, scsiseq & (ENSELI|ENRSELI|ENAUTOATNP));
ahc_outb(ahc, SBLKCTL, sblkctl);
restart_needed = FALSE;
} else {
/* Case 2: A command from this bus is active or we're idle */
- ahc_clear_msg_state(ahc);
simode1 = ahc_inb(ahc, SIMODE1) & ~(ENBUSFREE|ENSCSIRST);
- ahc_outb(ahc, SIMODE1, simode1);
- if (initiate_reset)
- ahc_reset_current_bus(ahc);
- ahc_clear_intstat(ahc);
#if AHC_TARGET_MODE
/*
* Bus resets clear ENSELI, so we cannot
@@ -5668,8 +5788,12 @@ ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset)
* if we are in target mode.
*/
if ((ahc->flags & AHC_TARGETROLE) != 0)
- ahc_outb(ahc, SIMODE1, simode1 | ENSCSIRST);
+ simode1 |= ENSCSIRST;
#endif
+ ahc_outb(ahc, SIMODE1, simode1);
+ if (initiate_reset)
+ ahc_reset_current_bus(ahc);
+ ahc_clear_intstat(ahc);
ahc_outb(ahc, SCSISEQ, scsiseq & (ENSELI|ENRSELI|ENAUTOATNP));
restart_needed = TRUE;
}
@@ -5748,7 +5872,7 @@ ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset)
* Calculate the residual for a just completed SCB.
*/
void
-ahc_calc_residual(struct scb *scb)
+ahc_calc_residual(struct ahc_softc *ahc, struct scb *scb)
{
struct hardware_scb *hscb;
struct status_pkt *spkt;
@@ -6228,7 +6352,8 @@ ahc_dump_card_state(struct ahc_softc *ahc)
printf("ACCUM = 0x%x, SINDEX = 0x%x, DINDEX = 0x%x, ARG_2 = 0x%x\n",
ahc_inb(ahc, ACCUM), ahc_inb(ahc, SINDEX), ahc_inb(ahc, DINDEX),
ahc_inb(ahc, ARG_2));
- printf("HCNT = 0x%x\n", ahc_inb(ahc, HCNT));
+ printf("HCNT = 0x%x SCBPTR = 0x%x\n", ahc_inb(ahc, HCNT),
+ ahc_inb(ahc, SCBPTR));
printf("SCSISEQ = 0x%x, SBLKCTL = 0x%x\n",
ahc_inb(ahc, SCSISEQ), ahc_inb(ahc, SBLKCTL));
printf(" DFCNTRL = 0x%x, DFSTATUS = 0x%x\n",
@@ -6301,6 +6426,17 @@ ahc_dump_card_state(struct ahc_softc *ahc)
}
printf("\n");
+ printf("Sequencer SCB Info: ");
+ for (i = 0; i < ahc->scb_data->maxhscbs; i++) {
+ ahc_outb(ahc, SCBPTR, i);
+ printf("%d(c 0x%x, s 0x%x, l %d, t 0x%x) ",
+ i, ahc_inb(ahc, SCB_CONTROL),
+ ahc_inb(ahc, SCB_SCSIID),
+ ahc_inb(ahc, SCB_LUN),
+ ahc_inb(ahc, SCB_TAG));
+ }
+ printf("\n");
+
printf("Pending list: ");
i = 0;
LIST_FOREACH(scb, &ahc->pending_scbs, pending_links) {
@@ -6308,7 +6444,8 @@ ahc_dump_card_state(struct ahc_softc *ahc)
break;
if (scb != LIST_FIRST(&ahc->pending_scbs))
printf(", ");
- printf("%d", scb->hscb->tag);
+ printf("%d(c 0x%x, s 0x%x, l %d)", scb->hscb->tag,
+ scb->hscb->control, scb->hscb->scsiid, scb->hscb->lun);
if ((ahc->flags & AHC_PAGESCBS) == 0) {
ahc_outb(ahc, SCBPTR, scb->hscb->tag);
printf("(0x%x, 0x%x)", ahc_inb(ahc, SCB_CONTROL),
@@ -6836,6 +6973,8 @@ ahc_handle_target_cmd(struct ahc_softc *ahc, struct target_cmd *cmd)
/*
* Wait for more ATIOs from the peripheral driver for this lun.
*/
+ if (bootverbose)
+ printf("%s: ATIOs exhausted\n", ahc_name(ahc));
return (1);
} else
ahc->flags &= ~AHC_TQINFIFO_BLOCKED;
diff --git a/sys/dev/aic7xxx/aic7xxx.h b/sys/dev/aic7xxx/aic7xxx.h
index cc5bf76..6de2450 100644
--- a/sys/dev/aic7xxx/aic7xxx.h
+++ b/sys/dev/aic7xxx/aic7xxx.h
@@ -2,6 +2,7 @@
* Core definitions and data structures shareable across OS platforms.
*
* Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2001 Adaptec Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -10,25 +11,33 @@
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
- * $Id: //depot/src/aic7xxx/aic7xxx.h#29 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#40 $
*
* $FreeBSD$
*/
@@ -42,6 +51,7 @@
/************************* Forward Declarations *******************************/
struct ahc_platform_data;
struct scb_platform_data;
+struct seeprom_descriptor;
/****************************** Useful Macros *********************************/
#ifndef MAX
@@ -147,6 +157,13 @@ struct scb_platform_data;
#define AHC_MAX_QUEUE 253
/*
+ * The maximum amount of SCB storage we allocate in host memory. This
+ * number should reflect the 1 additional SCB we require to handle our
+ * qinfifo mechanism.
+ */
+#define AHC_SCB_MAX_ALLOC (AHC_MAX_QUEUE+1)
+
+/*
* Ring Buffer of incoming target commands.
* We allocate 256 to simplify the logic in the sequencer
* by using the natural wrap point of an 8bit counter.
@@ -373,10 +390,12 @@ struct status_pkt {
* Target mode version of the shared data SCB segment.
*/
struct target_data {
- uint8_t target_phases; /* Bitmap of phases to execute */
- uint8_t data_phase; /* Data-In or Data-Out */
- uint8_t scsi_status; /* SCSI status to give to initiator */
- uint8_t initiator_tag; /* Initiator's transaction tag */
+ uint32_t residual_datacnt; /* Residual in the current S/G seg */
+ uint32_t residual_sg_ptr; /* The next S/G for this transfer */
+ uint8_t scsi_status; /* SCSI status to give to initiator */
+ uint8_t target_phases; /* Bitmap of phases to execute */
+ uint8_t data_phase; /* Data-In or Data-Out */
+ uint8_t initiator_tag; /* Initiator's transaction tag */
};
struct hardware_scb {
@@ -387,10 +406,10 @@ struct hardware_scb {
* of the cdb payload as seen by the chip and a DMA
* is used to pull it in.
*/
- uint8_t cdb[12];
- uint32_t cdb_ptr;
- struct status_pkt status;
- struct target_data tdata;
+ uint8_t cdb[12];
+ uint32_t cdb_ptr;
+ struct status_pkt status;
+ struct target_data tdata;
} shared_data;
/*
* A word about residuals.
@@ -544,7 +563,15 @@ struct scb_data {
* Pool of SCBs ready to be assigned
* commands to execute.
*/
- struct scb *scbindex[AHC_SCB_MAX + 1];/* Mapping from tag to SCB */
+ struct scb *scbindex[256]; /*
+ * Mapping from tag to SCB.
+ * As tag identifiers are an
+ * 8bit value, we provide space
+ * for all possible tag values.
+ * Any lookups to entries at or
+ * above AHC_SCB_MAX_ALLOC will
+ * always fail.
+ */
struct hardware_scb *hscbs; /* Array of hardware SCBs */
struct scb *scbarray; /* Array of kernel SCBs */
struct scsi_sense_data *sense; /* Per SCB sense data */
@@ -1067,7 +1094,8 @@ int ahc_pci_config(struct ahc_softc *,
/*************************** EISA/VL Front End ********************************/
struct aic7770_identity *aic7770_find_device(uint32_t);
int aic7770_config(struct ahc_softc *ahc,
- struct aic7770_identity *);
+ struct aic7770_identity *,
+ u_int port);
/************************** SCB and SCB queue management **********************/
int ahc_probe_scbs(struct ahc_softc *);
@@ -1090,6 +1118,7 @@ void ahc_pause_and_flushwork(struct ahc_softc *ahc);
int ahc_suspend(struct ahc_softc *ahc);
int ahc_resume(struct ahc_softc *ahc);
void ahc_softc_insert(struct ahc_softc *);
+struct ahc_softc *ahc_find_softc(struct ahc_softc *ahc);
void ahc_set_unit(struct ahc_softc *, int);
void ahc_set_name(struct ahc_softc *, char *);
void ahc_alloc_scbs(struct ahc_softc *ahc);
@@ -1127,8 +1156,12 @@ int ahc_search_disc_list(struct ahc_softc *ahc, int target,
void ahc_freeze_devq(struct ahc_softc *ahc, struct scb *scb);
int ahc_reset_channel(struct ahc_softc *ahc, char channel,
int initiate_reset);
+int ahc_abort_scbs(struct ahc_softc *ahc, int target,
+ char channel, int lun, u_int tag,
+ role_t role, uint32_t status);
void ahc_restart(struct ahc_softc *ahc);
-void ahc_calc_residual(struct scb *scb);
+void ahc_calc_residual(struct ahc_softc *ahc,
+ struct scb *scb);
/*************************** Utility Functions ********************************/
struct ahc_phase_table_entry*
ahc_lookup_phase_entry(int phase);
@@ -1190,6 +1223,15 @@ cam_status ahc_find_tmode_devs(struct ahc_softc *ahc,
#endif
#endif
/******************************* Debug ***************************************/
+#ifdef AHC_DEBUG
+extern int ahc_debug;
+#define AHC_SHOWMISC 0x1
+#define AHC_SHOWSENSE 0x2
+#endif
void ahc_print_scb(struct scb *scb);
void ahc_dump_card_state(struct ahc_softc *ahc);
+/******************************* SEEPROM *************************************/
+int ahc_acquire_seeprom(struct ahc_softc *ahc,
+ struct seeprom_descriptor *sd);
+void ahc_release_seeprom(struct seeprom_descriptor *sd);
#endif /* _AIC7XXX_H_ */
diff --git a/sys/dev/aic7xxx/aic7xxx.reg b/sys/dev/aic7xxx/aic7xxx.reg
index 6d44293..c12e2b2 100644
--- a/sys/dev/aic7xxx/aic7xxx.reg
+++ b/sys/dev/aic7xxx/aic7xxx.reg
@@ -1,7 +1,8 @@
/*
* Aic7xxx register and scratch ram definitions.
*
- * Copyright (c) 1994-2001 Justin Gibbs.
+ * Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2001 Adaptec Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -10,27 +11,35 @@
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
* $FreeBSD$
*/
-VERSION = "$Id: //depot/src/aic7xxx/aic7xxx.reg#19 $"
+VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#27 $"
/*
* This file is processed by the aic7xxx_asm utility for use in assembling
@@ -328,6 +337,7 @@ register SSTAT3 {
access_mode RO
mask SCSICNT 0xf0
mask OFFCNT 0x0f
+ mask U2OFFCNT 0x7f
}
/*
@@ -999,12 +1009,13 @@ register SFUNCT {
* SCB Definition (p. 5-4)
*/
scb {
- address 0x0a0
+ address 0x0a0
+ size 64
+
SCB_CDB_PTR {
size 4
alias SCB_RESIDUAL_DATACNT
alias SCB_CDB_STORE
- alias SCB_TARGET_INFO
}
SCB_RESIDUAL_SGPTR {
size 4
@@ -1012,8 +1023,14 @@ scb {
SCB_SCSI_STATUS {
size 1
}
- SCB_CDB_STORE_PAD {
- size 3
+ SCB_TARGET_PHASES {
+ size 1
+ }
+ SCB_TARGET_DATA_DIR {
+ size 1
+ }
+ SCB_TARGET_ITAG {
+ size 1
}
SCB_DATAPTR {
size 4
@@ -1239,7 +1256,8 @@ register SG_CACHE_SHADOW {
*/
scratch_ram {
- address 0x020
+ address 0x020
+ size 58
/*
* 1 byte per target starting at this address for configuration values
@@ -1301,7 +1319,7 @@ scratch_ram {
bit SDMAENACK 0x10
bit HDMAEN 0x08
bit HDMAENACK 0x08
- bit DIRECTION 0x04
+ bit DIRECTION 0x04 /* Set indicates PCI->SCSI */
bit FIFOFLUSH 0x02
bit FIFORESET 0x01
}
@@ -1464,15 +1482,20 @@ scratch_ram {
SEQ_FLAGS2 {
size 1
- bit SCB_DMA 0x01
+ bit SCB_DMA 0x01
+ bit TARGET_MSG_PENDING 0x02
}
+}
+
+scratch_ram {
+ address 0x05a
+ size 6
/*
* These are reserved registers in the card's scratch ram. Some of
* the values are specified in the AHA2742 technical reference manual
* and are initialized by the BIOS at boot time.
*/
SCSICONF {
- address 0x05a
size 1
bit TERM_ENB 0x80
bit RESET_SCSI 0x40
@@ -1497,11 +1520,16 @@ scratch_ram {
mask BIOSDISABLED 0x30
bit CHANNEL_B_PRIMARY 0x08
}
+}
+
+scratch_ram {
+ address 0x070
+ size 16
+
/*
* Per target SCSI offset values for Ultra2 controllers.
*/
TARG_OFFSET {
- address 0x070
size 16
}
}
@@ -1529,10 +1557,6 @@ const CMD_GROUP_CODE_SHIFT 0x05
const STATUS_BUSY 0x08
const STATUS_QUEUE_FULL 0x28
-const SCB_TARGET_PHASES 0
-const SCB_TARGET_DATA_DIR 1
-const SCB_TARGET_STATUS 2
-const SCB_INITIATOR_TAG 3
const TARGET_DATA_IN 1
/*
diff --git a/sys/dev/aic7xxx/aic7xxx.seq b/sys/dev/aic7xxx/aic7xxx.seq
index fa42362..543c2d6 100644
--- a/sys/dev/aic7xxx/aic7xxx.seq
+++ b/sys/dev/aic7xxx/aic7xxx.seq
@@ -1,7 +1,8 @@
/*
* Adaptec 274x/284x/294x device driver firmware for Linux and FreeBSD.
*
- * Copyright (c) 1994-2001 Justin Gibbs.
+ * Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2001 Adaptec Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -10,28 +11,37 @@
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
* $FreeBSD$
*/
-VERSION = "$Id: //depot/src/aic7xxx/aic7xxx.seq#32 $"
+VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#40 $"
+PATCH_ARG_LIST = "struct ahc_softc *ahc"
#include "aic7xxx.reg"
#include "scsi_message.h"
@@ -80,7 +90,7 @@ poll_for_work_loop:
test SSTAT0, SELDO|SELDI jnz selection;
test_queue:
/* Has the driver posted any work for us? */
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
if ((ahc->features & AHC_QUEUE_REGS) != 0) {
test QOFF_CTLSTA, SCB_AVAIL jz poll_for_work_loop;
} else {
@@ -101,7 +111,7 @@ BEGIN_CRITICAL
mov SCBPTR, ARG_1;
}
or SEQ_FLAGS2, SCB_DMA;
-END_CRITICAL
+END_CRITICAL;
dma_queued_scb:
/*
* DMA the SCB from host ram into the current SCB location.
@@ -115,7 +125,7 @@ dma_queued_scb:
* value.
*/
mov A, ARG_1;
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
cmp NEXT_QUEUED_SCB, A jne abort_qinscb;
if ((ahc->flags & AHC_SEQUENCER_DEBUG) != 0) {
cmp SCB_TAG, A je . + 2;
@@ -130,7 +140,7 @@ BEGIN_CRITICAL
inc QINPOS;
}
and SEQ_FLAGS2, ~SCB_DMA;
-END_CRITICAL
+END_CRITICAL;
start_waiting:
/*
* Start the first entry on the waiting SCB list.
@@ -242,6 +252,7 @@ select_in:
} else {
mov DFDAT, DINDEX;
}
+ and SAVED_LUN, MSG_IDENTIFY_LUNMASK, DINDEX;
/* Remember for disconnection decision */
test DINDEX, MSG_IDENTIFY_DISCFLAG jnz . + 2;
@@ -257,9 +268,10 @@ select_in:
* < MSG_IGN_WIDE_RESIDUE.
*/
add A, -MSG_SIMPLE_Q_TAG, DINDEX;
- jnc ident_messages_done;
+ jnc ident_messages_done_msg_pending;
add A, -MSG_IGN_WIDE_RESIDUE, DINDEX;
- jc ident_messages_done;
+ jc ident_messages_done_msg_pending;
+
/* Store for host */
if ((ahc->features & AHC_CMD_CHAN) != 0) {
mov CCSCBRAM, DINDEX;
@@ -285,9 +297,23 @@ select_in:
}
mov INITIATOR_TAG, DINDEX;
or SEQ_FLAGS, TARGET_CMD_IS_TAGGED;
- test SCSISIGI, ATNI jz . + 2;
- /* Initiator still wants to give us messages */
- call target_inb;
+
+ident_messages_done:
+ /* Terminate the ident list */
+ if ((ahc->features & AHC_CMD_CHAN) != 0) {
+ mvi CCSCBRAM, SCB_LIST_NULL;
+ } else {
+ mvi DFDAT, SCB_LIST_NULL;
+ }
+ or SEQ_FLAGS, TARG_CMD_PENDING|IDENTIFY_SEEN;
+ test SEQ_FLAGS2, TARGET_MSG_PENDING
+ jnz target_mesgout_pending;
+ test SCSISIGI, ATNI jnz target_mesgout_continue;
+ jmp target_ITloop;
+
+
+ident_messages_done_msg_pending:
+ or SEQ_FLAGS2, TARGET_MSG_PENDING;
jmp ident_messages_done;
/*
@@ -299,31 +325,6 @@ host_target_message_loop:
cmp RETURN_1, EXIT_MSG_LOOP je target_ITloop;
test SSTAT0, SPIORDY jz .;
jmp host_target_message_loop;
-
-ident_messages_done:
- /* If ring buffer is full, return busy or queue full */
- if ((ahc->features & AHC_HS_MAILBOX) != 0) {
- and A, HOST_TQINPOS, HS_MAILBOX;
- } else {
- mov A, KERNEL_TQINPOS;
- }
- cmp TQINPOS, A jne tqinfifo_has_space;
- mvi P_STATUS|BSYO call change_phase;
- test SEQ_FLAGS, TARGET_CMD_IS_TAGGED jz . + 3;
- mvi STATUS_QUEUE_FULL call target_outb;
- jmp target_busfree_wait;
- mvi STATUS_BUSY call target_outb;
- jmp target_busfree_wait;
-tqinfifo_has_space:
- /* Terminate the ident list */
- if ((ahc->features & AHC_CMD_CHAN) != 0) {
- mvi CCSCBRAM, SCB_LIST_NULL;
- } else {
- mvi DFDAT, SCB_LIST_NULL;
- }
- or SEQ_FLAGS, TARG_CMD_PENDING|IDENTIFY_SEEN;
- test SCSISIGI, ATNI jnz target_mesgout_pending;
- jmp target_ITloop;
}
if ((ahc->flags & AHC_INITIATORROLE) != 0) {
@@ -464,13 +465,13 @@ select_out:
*/
test SCB_CONTROL, TAG_ENB jz . + 3;
mvi MSG_SIMPLE_Q_TAG call target_outb;
- mov SCB_TARGET_INFO[SCB_INITIATOR_TAG] call target_outb;
+ mov SCB_TARGET_ITAG call target_outb;
target_synccmd:
/*
* Now determine what phases the host wants us
* to go through.
*/
- mov SEQ_FLAGS, SCB_TARGET_INFO[SCB_TARGET_PHASES];
+ mov SEQ_FLAGS, SCB_TARGET_PHASES;
test SCB_CONTROL, MK_MESSAGE jz target_ITloop;
mvi P_MESGIN|BSYO call change_phase;
@@ -498,6 +499,7 @@ target_ITloop:
}
mvi DMAPARAMS, HDMAEN|DIRECTION|FIFORESET;
mov SCB_TAG call dma_scb;
+ call set_transfer_settings;
jmp target_synccmd;
target_mesgout:
@@ -528,6 +530,24 @@ target_busfree:
jmp poll_for_work;
target_cmdphase:
+ /*
+ * The target has dropped ATN (doesn't want to abort or BDR)
+ * and we believe this selection to be valid. If the ring
+ * buffer for new commands is full, return busy or queue full.
+ */
+ if ((ahc->features & AHC_HS_MAILBOX) != 0) {
+ and A, HOST_TQINPOS, HS_MAILBOX;
+ } else {
+ mov A, KERNEL_TQINPOS;
+ }
+ cmp TQINPOS, A jne tqinfifo_has_space;
+ mvi P_STATUS|BSYO call change_phase;
+ test SEQ_FLAGS, TARGET_CMD_IS_TAGGED jz . + 3;
+ mvi STATUS_QUEUE_FULL call target_outb;
+ jmp target_busfree_wait;
+ mvi STATUS_BUSY call target_outb;
+ jmp target_busfree_wait;
+tqinfifo_has_space:
mvi P_COMMAND|BSYO call change_phase;
call target_inb;
mov A, DINDEX;
@@ -576,15 +596,14 @@ target_dphase:
* data direction of the DMA. Toggle it for
* target transfers.
*/
- xor LASTPHASE, IOI, SCB_TARGET_INFO[SCB_TARGET_DATA_DIR];
- or SCB_TARGET_INFO[SCB_TARGET_DATA_DIR], BSYO
- call change_phase;
+ xor LASTPHASE, IOI, SCB_TARGET_DATA_DIR;
+ or SCB_TARGET_DATA_DIR, BSYO call change_phase;
jmp p_data;
target_sphase:
mvi P_STATUS|BSYO call change_phase;
mvi LASTPHASE, P_STATUS;
- mov SCB_TARGET_INFO[SCB_TARGET_STATUS] call target_outb;
+ mov SCB_SCSI_STATUS call target_outb;
/* XXX Watch for ATN or parity errors??? */
mvi SCSISIGO, P_MESGIN|BSYO;
/* MSG_CMDCMPLT is 0, but we can't do an immediate of 0 */
@@ -951,12 +970,12 @@ ultra2_dmafinish:
ultra2_ensure_sg:
test SG_CACHE_SHADOW, LAST_SEG jz ultra2_shvalid;
/* Record if we've consumed all S/G entries */
- test SSTAT2, SHVALID jnz residuals_correct;
+ test SSTAT2, SHVALID jnz residuals_correct;
or SCB_RESIDUAL_SGPTR[0], SG_LIST_NULL;
jmp residuals_correct;
ultra2_shvalid:
- test SSTAT2, SHVALID jnz sgptr_fixup;
+ test SSTAT2, SHVALID jnz sgptr_fixup;
call idle_loop;
jmp ultra2_ensure_sg;
@@ -1318,10 +1337,19 @@ residual_update_done:
and SEQ_FLAGS, ~DPHASE_PENDING;
/*
* For data-in phases, wait for any pending acks from the
- * initiator before changing phase.
+ * initiator before changing phase. We only need to
+ * send Ignore Wide Residue messages for data-in phases.
*/
test DFCNTRL, DIRECTION jz target_ITloop;
test SSTAT1, REQINIT jnz .;
+ test DATA_COUNT_ODD, 0x1 jz target_ITloop;
+ test SCSIRATE, WIDEXFER jz target_ITloop;
+ /*
+ * Issue an Ignore Wide Residue Message.
+ */
+ mvi P_MESGIN|BSYO call change_phase;
+ mvi MSG_IGN_WIDE_RESIDUE call target_outb;
+ mvi 1 call target_outb;
jmp target_ITloop;
} else {
jmp ITloop;
@@ -1371,7 +1399,7 @@ p_command_embedded:
* The data fifo seems to require 4 byte aligned
* transfers from the sequencer. Force this to
* be the case by clearing HADDR[0] even though
- * we aren't going to touch host memeory.
+ * we aren't going to touch host memory.
*/
clr HADDR[0];
if ((ahc->features & AHC_ULTRA2) != 0) {
@@ -1977,7 +2005,7 @@ target_outb:
* removal of the found SCB from the disconnected list.
*/
if ((ahc->flags & AHC_PAGESCBS) != 0) {
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
findSCB:
mov A, SINDEX; /* Tag passed in SINDEX */
cmp DISCONNECTED_SCBH, SCB_LIST_NULL je findSCB_notFound;
@@ -1999,7 +2027,7 @@ rem_scb_from_disc_list:
mov SCBPTR, SINDEX ret;
rHead:
mov DISCONNECTED_SCBH,SCB_NEXT ret;
-END_CRITICAL
+END_CRITICAL;
findSCB_notFound:
/*
* We didn't find it. Page in the SCB.
@@ -2124,7 +2152,7 @@ set_1byte_addr:
adc DINDIR, A, SINDIR ret;
/*
- * Either post or fetch and SCB from host memory based on the
+ * Either post or fetch an SCB from host memory based on the
* DIRECTION bit in DMAPARAMS. The host SCB index is in SINDEX.
*/
dma_scb:
@@ -2282,11 +2310,11 @@ cleanup_scb:
}
add_scb_to_free_list:
if ((ahc->flags & AHC_PAGESCBS) != 0) {
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
mov SCB_NEXT, FREE_SCBH;
mvi SCB_TAG, SCB_LIST_NULL;
mov FREE_SCBH, SCBPTR ret;
-END_CRITICAL
+END_CRITICAL;
} else {
mvi SCB_TAG, SCB_LIST_NULL ret;
}
@@ -2300,7 +2328,7 @@ set_hhaddr:
if ((ahc->flags & AHC_PAGESCBS) != 0) {
get_free_or_disc_scb:
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
cmp FREE_SCBH, SCB_LIST_NULL jne dequeue_free_scb;
cmp DISCONNECTED_SCBH, SCB_LIST_NULL jne dequeue_disc_scb;
return_error:
@@ -2309,14 +2337,14 @@ return_error:
dequeue_disc_scb:
mov SCBPTR, DISCONNECTED_SCBH;
mov DISCONNECTED_SCBH, SCB_NEXT;
-END_CRITICAL
+END_CRITICAL;
mvi DMAPARAMS, FIFORESET;
mov SCB_TAG jmp dma_scb;
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
dequeue_free_scb:
mov SCBPTR, FREE_SCBH;
mov FREE_SCBH, SCB_NEXT ret;
-END_CRITICAL
+END_CRITICAL;
add_scb_to_disc_list:
/*
@@ -2324,10 +2352,10 @@ add_scb_to_disc_list:
* candidates for paging out an SCB if one is needed for a new command.
* Modifying the disconnected list is a critical(pause dissabled) section.
*/
-BEGIN_CRITICAL
+BEGIN_CRITICAL;
mov SCB_NEXT, DISCONNECTED_SCBH;
mov DISCONNECTED_SCBH, SCBPTR ret;
-END_CRITICAL
+END_CRITICAL;
}
set_seqint:
mov INTSTAT, SINDEX;
diff --git a/sys/dev/aic7xxx/aic7xxx_93cx6.c b/sys/dev/aic7xxx/aic7xxx_93cx6.c
index c2a216d..18fd5d2 100644
--- a/sys/dev/aic7xxx/aic7xxx_93cx6.c
+++ b/sys/dev/aic7xxx/aic7xxx_93cx6.c
@@ -14,7 +14,7 @@
* derived from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL").
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
@@ -28,7 +28,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: //depot/src/aic7xxx/aic7xxx_93cx6.c#8 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_93cx6.c#14 $
*
* $FreeBSD$
*/
@@ -67,9 +67,15 @@
*
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#ifdef __linux__
+#include "aic7xxx_osm.h"
+#include "aic7xxx_inline.h"
+#include "aic7xxx_93cx6.h"
+#else
+#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/aic7xxx/aic7xxx_inline.h>
#include <dev/aic7xxx/aic7xxx_93cx6.h>
+#endif
/*
* Right now, we only have to read the SEEPROM. But we make it easier to
@@ -77,9 +83,13 @@
*/
static struct seeprom_cmd {
uint8_t len;
- uint8_t bits[3];
+ uint8_t bits[9];
} seeprom_read = {3, {1, 1, 0}};
+static struct seeprom_cmd seeprom_ewen = {9, {1, 0, 0, 1, 1, 0, 0, 0, 0}};
+static struct seeprom_cmd seeprom_ewds = {9, {1, 0, 0, 0, 0, 0, 0, 0, 0}};
+static struct seeprom_cmd seeprom_write = {3, {1, 0, 1}};
+
/*
* Wait for the SEERDY to go high; about 800 ns.
*/
@@ -90,15 +100,55 @@ static struct seeprom_cmd {
(void)SEEPROM_INB(sd); /* Clear clock */
/*
+ * Send a START condition and the given command
+ */
+static void
+send_seeprom_cmd(struct seeprom_descriptor *sd, struct seeprom_cmd *cmd)
+{
+ uint8_t temp;
+ int i = 0;
+
+ /* Send chip select for one clock cycle. */
+ temp = sd->sd_MS ^ sd->sd_CS;
+ SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+
+ for (i = 0; i < cmd->len; i++) {
+ if (cmd->bits[i] != 0)
+ temp ^= sd->sd_DO;
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ if (cmd->bits[i] != 0)
+ temp ^= sd->sd_DO;
+ }
+}
+
+/*
+ * Clear CS put the chip in the reset state, where it can wait for new commands.
+ */
+static void
+reset_seeprom(struct seeprom_descriptor *sd)
+{
+ uint8_t temp;
+
+ temp = sd->sd_MS;
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+}
+
+/*
* Read the serial EEPROM and returns 1 if successful and 0 if
* not successful.
*/
int
-read_seeprom(sd, buf, start_addr, count)
- struct seeprom_descriptor *sd;
- uint16_t *buf;
- u_int start_addr;
- u_int count;
+ahc_read_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
+ u_int start_addr, u_int count)
{
int i = 0;
u_int k = 0;
@@ -110,26 +160,14 @@ read_seeprom(sd, buf, start_addr, count)
* will range from 0 to count-1.
*/
for (k = start_addr; k < count + start_addr; k++) {
- /* Send chip select for one clock cycle. */
- temp = sd->sd_MS ^ sd->sd_CS;
- SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
- CLOCK_PULSE(sd, sd->sd_RDY);
-
/*
* Now we're ready to send the read command followed by the
* address of the 16-bit register we want to read.
*/
- for (i = 0; i < seeprom_read.len; i++) {
- if (seeprom_read.bits[i] != 0)
- temp ^= sd->sd_DO;
- SEEPROM_OUTB(sd, temp);
- CLOCK_PULSE(sd, sd->sd_RDY);
- SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
- CLOCK_PULSE(sd, sd->sd_RDY);
- if (seeprom_read.bits[i] != 0)
- temp ^= sd->sd_DO;
- }
+ send_seeprom_cmd(sd, &seeprom_read);
+
/* Send the 6 or 8 bit address (MSB first, LSB last). */
+ temp = sd->sd_MS ^ sd->sd_CS;
for (i = (sd->sd_chip - 1); i >= 0; i--) {
if ((k & (1 << i)) != 0)
temp ^= sd->sd_DO;
@@ -161,13 +199,7 @@ read_seeprom(sd, buf, start_addr, count)
buf[k - start_addr] = v;
/* Reset the chip select for the next command cycle. */
- temp = sd->sd_MS;
- SEEPROM_OUTB(sd, temp);
- CLOCK_PULSE(sd, sd->sd_RDY);
- SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
- CLOCK_PULSE(sd, sd->sd_RDY);
- SEEPROM_OUTB(sd, temp);
- CLOCK_PULSE(sd, sd->sd_RDY);
+ reset_seeprom(sd);
}
#ifdef AHC_DUMP_EEPROM
printf("\nSerial EEPROM:\n\t");
@@ -182,8 +214,77 @@ read_seeprom(sd, buf, start_addr, count)
return (1);
}
+/*
+ * Write the serial EEPROM and return 1 if successful and 0 if
+ * not successful.
+ */
+int
+ahc_write_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
+ u_int start_addr, u_int count)
+{
+ uint16_t v;
+ uint8_t temp;
+ int i, k;
+
+ /* Place the chip into write-enable mode */
+ send_seeprom_cmd(sd, &seeprom_ewen);
+ reset_seeprom(sd);
+
+ /* Write all requested data out to the seeprom. */
+ temp = sd->sd_MS ^ sd->sd_CS;
+ for (k = start_addr; k < count + start_addr; k++) {
+ /* Send the write command */
+ send_seeprom_cmd(sd, &seeprom_write);
+
+ /* Send the 6 or 8 bit address (MSB first). */
+ for (i = (sd->sd_chip - 1); i >= 0; i--) {
+ if ((k & (1 << i)) != 0)
+ temp ^= sd->sd_DO;
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ if ((k & (1 << i)) != 0)
+ temp ^= sd->sd_DO;
+ }
+
+ /* Write the 16 bit value, MSB first */
+ v = buf[k - start_addr];
+ for (i = 15; i >= 0; i--) {
+ if ((v & (1 << i)) != 0)
+ temp ^= sd->sd_DO;
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ if ((v & (1 << i)) != 0)
+ temp ^= sd->sd_DO;
+ }
+
+ /* Wait for the chip to complete the write */
+ temp = sd->sd_MS;
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ temp = sd->sd_MS ^ sd->sd_CS;
+ do {
+ SEEPROM_OUTB(sd, temp);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ SEEPROM_OUTB(sd, temp ^ sd->sd_CK);
+ CLOCK_PULSE(sd, sd->sd_RDY);
+ } while ((SEEPROM_DATA_INB(sd) & sd->sd_DI) == 0);
+
+ reset_seeprom(sd);
+ }
+
+ /* Put the chip back into write-protect mode */
+ send_seeprom_cmd(sd, &seeprom_ewds);
+ reset_seeprom(sd);
+
+ return (1);
+}
+
int
-verify_cksum(struct seeprom_config *sc)
+ahc_verify_cksum(struct seeprom_config *sc)
{
int i;
int maxaddr;
diff --git a/sys/dev/aic7xxx/aic7xxx_93cx6.h b/sys/dev/aic7xxx/aic7xxx_93cx6.h
index 6e003ef..c5b5dcb 100644
--- a/sys/dev/aic7xxx/aic7xxx_93cx6.h
+++ b/sys/dev/aic7xxx/aic7xxx_93cx6.h
@@ -12,25 +12,33 @@
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
- * $Id: //depot/src/aic7xxx/aic7xxx_93cx6.h#5 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_93cx6.h#9 $
*
* $FreeBSD$
*/
@@ -85,8 +93,10 @@ do { \
#define SEEPROM_DATA_INB(sd) \
ahc_inb(sd->sd_ahc, sd->sd_dataout_offset)
-int read_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
- u_int start_addr, u_int count);
-int verify_cksum(struct seeprom_config *sc);
+int ahc_read_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
+ u_int start_addr, u_int count);
+int ahc_write_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
+ u_int start_addr, u_int count);
+int ahc_verify_cksum(struct seeprom_config *sc);
#endif /* _AIC7XXX_93CX6_H_ */
diff --git a/sys/dev/aic7xxx/aic7xxx_freebsd.c b/sys/dev/aic7xxx/aic7xxx_freebsd.c
deleted file mode 100644
index 6582f8c..0000000
--- a/sys/dev/aic7xxx/aic7xxx_freebsd.c
+++ /dev/null
@@ -1,1953 +0,0 @@
-/*
- * Bus independent FreeBSD shim for the aic7xxx based adaptec SCSI controllers
- *
- * Copyright (c) 1994-2001 Justin T. Gibbs.
- * All rights reserved.
- *
- * 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,
- * without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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.
- *
- * $Id$
- *
- * $FreeBSD$
- */
-
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
-#include <dev/aic7xxx/aic7xxx_inline.h>
-
-#ifndef AHC_TMODE_ENABLE
-#define AHC_TMODE_ENABLE 0
-#endif
-
-#define ccb_scb_ptr spriv_ptr0
-
-#ifdef AHC_DEBUG
-static int ahc_debug = AHC_DEBUG;
-#endif
-
-#if UNUSED
-static void ahc_dump_targcmd(struct target_cmd *cmd);
-#endif
-static int ahc_modevent(module_t mod, int type, void *data);
-static void ahc_action(struct cam_sim *sim, union ccb *ccb);
-static void ahc_get_tran_settings(struct ahc_softc *ahc,
- int our_id, char channel,
- struct ccb_trans_settings *cts);
-static void ahc_async(void *callback_arg, uint32_t code,
- struct cam_path *path, void *arg);
-static void ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs,
- int nsegments, int error);
-static void ahc_poll(struct cam_sim *sim);
-static void ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim,
- struct ccb_scsiio *csio, struct scb *scb);
-static void ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim,
- union ccb *ccb);
-static int ahc_create_path(struct ahc_softc *ahc,
- char channel, u_int target, u_int lun,
- struct cam_path **path);
-
-static void ahc_set_recoveryscb(struct ahc_softc *ahc, struct scb *scb);
-
-static int
-ahc_create_path(struct ahc_softc *ahc, char channel, u_int target,
- u_int lun, struct cam_path **path)
-{
- path_id_t path_id;
-
- if (channel == 'B')
- path_id = cam_sim_path(ahc->platform_data->sim_b);
- else
- path_id = cam_sim_path(ahc->platform_data->sim);
-
- return (xpt_create_path(path, /*periph*/NULL,
- path_id, target, lun));
-}
-
-/*
- * Attach all the sub-devices we can find
- */
-int
-ahc_attach(struct ahc_softc *ahc)
-{
- char ahc_info[256];
- struct ccb_setasync csa;
- struct cam_devq *devq;
- int bus_id;
- int bus_id2;
- struct cam_sim *sim;
- struct cam_sim *sim2;
- struct cam_path *path;
- struct cam_path *path2;
- long s;
- int count;
- int error;
-
- count = 0;
- sim = NULL;
- sim2 = NULL;
-
- ahc_controller_info(ahc, ahc_info);
- printf("%s\n", ahc_info);
- ahc_lock(ahc, &s);
- /* Hook up our interrupt handler */
- if ((error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq,
- INTR_TYPE_CAM|INTR_ENTROPY, ahc_platform_intr, ahc,
- &ahc->platform_data->ih)) != 0) {
- device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n",
- error);
- goto fail;
- }
-
- /*
- * Attach secondary channel first if the user has
- * declared it the primary channel.
- */
- if ((ahc->features & AHC_TWIN) != 0
- && (ahc->flags & AHC_PRIMARY_CHANNEL) != 0) {
- bus_id = 1;
- bus_id2 = 0;
- } else {
- bus_id = 0;
- bus_id2 = 1;
- }
-
- /*
- * Create the device queue for our SIM(s).
- */
- devq = cam_simq_alloc(AHC_MAX_QUEUE);
- if (devq == NULL)
- goto fail;
-
- /*
- * Construct our first channel SIM entry
- */
- sim = cam_sim_alloc(ahc_action, ahc_poll, "ahc", ahc,
- device_get_unit(ahc->dev_softc),
- 1, AHC_MAX_QUEUE, devq);
- if (sim == NULL) {
- cam_simq_free(devq);
- goto fail;
- }
-
- if (xpt_bus_register(sim, bus_id) != CAM_SUCCESS) {
- cam_sim_free(sim, /*free_devq*/TRUE);
- sim = NULL;
- goto fail;
- }
-
- if (xpt_create_path(&path, /*periph*/NULL,
- cam_sim_path(sim), CAM_TARGET_WILDCARD,
- CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
- xpt_bus_deregister(cam_sim_path(sim));
- cam_sim_free(sim, /*free_devq*/TRUE);
- sim = NULL;
- goto fail;
- }
-
- xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
- csa.ccb_h.func_code = XPT_SASYNC_CB;
- csa.event_enable = AC_LOST_DEVICE;
- csa.callback = ahc_async;
- csa.callback_arg = sim;
- xpt_action((union ccb *)&csa);
- count++;
-
- if (ahc->features & AHC_TWIN) {
- sim2 = cam_sim_alloc(ahc_action, ahc_poll, "ahc",
- ahc, device_get_unit(ahc->dev_softc), 1,
- AHC_MAX_QUEUE, devq);
-
- if (sim2 == NULL) {
- printf("ahc_attach: Unable to attach second "
- "bus due to resource shortage");
- goto fail;
- }
-
- if (xpt_bus_register(sim2, bus_id2) != CAM_SUCCESS) {
- printf("ahc_attach: Unable to attach second "
- "bus due to resource shortage");
- /*
- * We do not want to destroy the device queue
- * because the first bus is using it.
- */
- cam_sim_free(sim2, /*free_devq*/FALSE);
- goto fail;
- }
-
- if (xpt_create_path(&path2, /*periph*/NULL,
- cam_sim_path(sim2),
- CAM_TARGET_WILDCARD,
- CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
- xpt_bus_deregister(cam_sim_path(sim2));
- cam_sim_free(sim2, /*free_devq*/FALSE);
- sim2 = NULL;
- goto fail;
- }
- xpt_setup_ccb(&csa.ccb_h, path2, /*priority*/5);
- csa.ccb_h.func_code = XPT_SASYNC_CB;
- csa.event_enable = AC_LOST_DEVICE;
- csa.callback = ahc_async;
- csa.callback_arg = sim2;
- xpt_action((union ccb *)&csa);
- count++;
- }
-
-fail:
- if ((ahc->features & AHC_TWIN) != 0
- && (ahc->flags & AHC_PRIMARY_CHANNEL) != 0) {
- ahc->platform_data->sim_b = sim;
- ahc->platform_data->path_b = path;
- ahc->platform_data->sim = sim2;
- ahc->platform_data->path = path2;
- } else {
- ahc->platform_data->sim = sim;
- ahc->platform_data->path = path;
- ahc->platform_data->sim_b = sim2;
- ahc->platform_data->path_b = path2;
- }
- ahc_unlock(ahc, &s);
-
- if (count != 0)
- /* We have to wait until after any system dumps... */
- ahc->platform_data->eh =
- EVENTHANDLER_REGISTER(shutdown_final, ahc_shutdown,
- ahc, SHUTDOWN_PRI_DEFAULT);
-
- return (count);
-}
-
-/*
- * Catch an interrupt from the adapter
- */
-void
-ahc_platform_intr(void *arg)
-{
- struct ahc_softc *ahc;
-
- ahc = (struct ahc_softc *)arg;
- ahc_intr(ahc);
-}
-
-/*
- * We have an scb which has been processed by the
- * adaptor, now we look to see how the operation
- * went.
- */
-void
-ahc_done(struct ahc_softc *ahc, struct scb *scb)
-{
- union ccb *ccb;
-
- CAM_DEBUG(scb->io_ctx->ccb_h.path, CAM_DEBUG_TRACE,
- ("ahc_done - scb %d\n", scb->hscb->tag));
-
- ccb = scb->io_ctx;
- LIST_REMOVE(scb, pending_links);
- if ((scb->flags & SCB_UNTAGGEDQ) != 0) {
- struct scb_tailq *untagged_q;
- int target_offset;
-
- target_offset = SCB_GET_TARGET_OFFSET(ahc, scb);
- untagged_q = &ahc->untagged_queues[target_offset];
- TAILQ_REMOVE(untagged_q, scb, links.tqe);
- scb->flags &= ~SCB_UNTAGGEDQ;
- ahc_run_untagged_queue(ahc, untagged_q);
- }
-
- untimeout(ahc_timeout, (caddr_t)scb, ccb->ccb_h.timeout_ch);
-
- if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
- bus_dmasync_op_t op;
-
- if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
- op = BUS_DMASYNC_POSTREAD;
- else
- op = BUS_DMASYNC_POSTWRITE;
- bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op);
- bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap);
- }
-
- if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
- struct cam_path *ccb_path;
-
- /*
- * If we have finally disconnected, clean up our
- * pending device state.
- * XXX - There may be error states that cause where
- * we will remain connected.
- */
- ccb_path = ccb->ccb_h.path;
- if (ahc->pending_device != NULL
- && xpt_path_comp(ahc->pending_device->path, ccb_path) == 0) {
-
- if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
- ahc->pending_device = NULL;
- } else {
- xpt_print_path(ccb->ccb_h.path);
- printf("Still disconnected\n");
- ahc_freeze_ccb(ccb);
- }
- }
-
- if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG)
- ccb->ccb_h.status |= CAM_REQ_CMP;
- ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
- ahc_free_scb(ahc, scb);
- xpt_done(ccb);
- return;
- }
-
- /*
- * If the recovery SCB completes, we have to be
- * out of our timeout.
- */
- if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
- struct scb *list_scb;
-
- /*
- * We were able to complete the command successfully,
- * so reinstate the timeouts for all other pending
- * commands.
- */
- LIST_FOREACH(list_scb, &ahc->pending_scbs, pending_links) {
- union ccb *ccb;
- uint64_t time;
-
- ccb = list_scb->io_ctx;
- if (ccb->ccb_h.timeout == CAM_TIME_INFINITY)
- continue;
-
- time = ccb->ccb_h.timeout;
- time *= hz;
- time /= 1000;
- ccb->ccb_h.timeout_ch =
- timeout(ahc_timeout, list_scb, time);
- }
-
- if (ahc_get_transaction_status(scb) == CAM_BDR_SENT
- || ahc_get_transaction_status(scb) == CAM_REQ_ABORTED)
- ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT);
- ahc_print_path(ahc, scb);
- printf("no longer in timeout, status = %x\n",
- ccb->ccb_h.status);
- }
-
- /* Don't clobber any existing error state */
- if (ahc_get_transaction_status(scb) == CAM_REQ_INPROG) {
- ccb->ccb_h.status |= CAM_REQ_CMP;
- } else if ((scb->flags & SCB_SENSE) != 0) {
- /*
- * We performed autosense retrieval.
- *
- * Zero any sense not transferred by the
- * device. The SCSI spec mandates that any
- * untransfered data should be assumed to be
- * zero. Complete the 'bounce' of sense information
- * through buffers accessible via bus-space by
- * copying it into the clients csio.
- */
- memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
- memcpy(&ccb->csio.sense_data,
- ahc_get_sense_buf(ahc, scb),
- (scb->sg_list->len & AHC_SG_LEN_MASK)
- - ccb->csio.sense_resid);
- scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
- }
- ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
- ahc_free_scb(ahc, scb);
- xpt_done(ccb);
-}
-
-static void
-ahc_action(struct cam_sim *sim, union ccb *ccb)
-{
- struct ahc_softc *ahc;
- struct ahc_tmode_lstate *lstate;
- u_int target_id;
- u_int our_id;
- long s;
-
- CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahc_action\n"));
-
- ahc = (struct ahc_softc *)cam_sim_softc(sim);
-
- target_id = ccb->ccb_h.target_id;
- our_id = SIM_SCSI_ID(ahc, sim);
-
- switch (ccb->ccb_h.func_code) {
- /* Common cases first */
- case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
- case XPT_CONT_TARGET_IO:/* Continue Host Target I/O Connection*/
- {
- struct ahc_tmode_tstate *tstate;
- cam_status status;
-
- status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate,
- &lstate, TRUE);
-
- if (status != CAM_REQ_CMP) {
- if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
- /* Response from the black hole device */
- tstate = NULL;
- lstate = ahc->black_hole;
- } else {
- ccb->ccb_h.status = status;
- xpt_done(ccb);
- break;
- }
- }
- if (ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO) {
-
- ahc_lock(ahc, &s);
- SLIST_INSERT_HEAD(&lstate->accept_tios, &ccb->ccb_h,
- sim_links.sle);
- ccb->ccb_h.status = CAM_REQ_INPROG;
- if ((ahc->flags & AHC_TQINFIFO_BLOCKED) != 0)
- ahc_run_tqinfifo(ahc, /*paused*/FALSE);
- ahc_unlock(ahc, &s);
- break;
- }
-
- /*
- * The target_id represents the target we attempt to
- * select. In target mode, this is the initiator of
- * the original command.
- */
- our_id = target_id;
- target_id = ccb->csio.init_id;
- /* FALLTHROUGH */
- }
- case XPT_SCSI_IO: /* Execute the requested I/O operation */
- case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
- {
- struct scb *scb;
- struct hardware_scb *hscb;
-
- if ((ahc->flags & AHC_INITIATORROLE) == 0
- && (ccb->ccb_h.func_code == XPT_SCSI_IO
- || ccb->ccb_h.func_code == XPT_RESET_DEV)) {
- ccb->ccb_h.status = CAM_PROVIDE_FAIL;
- xpt_done(ccb);
- return;
- }
-
- /*
- * get an scb to use.
- */
- ahc_lock(ahc, &s);
- if ((scb = ahc_get_scb(ahc)) == NULL) {
-
- xpt_freeze_simq(sim, /*count*/1);
- ahc->flags |= AHC_RESOURCE_SHORTAGE;
- ahc_unlock(ahc, &s);
- ccb->ccb_h.status = CAM_REQUEUE_REQ;
- xpt_done(ccb);
- return;
- }
- ahc_unlock(ahc, &s);
-
- hscb = scb->hscb;
-
- CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_SUBTRACE,
- ("start scb(%p)\n", scb));
- scb->io_ctx = ccb;
- /*
- * So we can find the SCB when an abort is requested
- */
- ccb->ccb_h.ccb_scb_ptr = scb;
-
- /*
- * Put all the arguments for the xfer in the scb
- */
- hscb->control = 0;
- hscb->scsiid = BUILD_SCSIID(ahc, sim, target_id, our_id);
- hscb->lun = ccb->ccb_h.target_lun;
- if (ccb->ccb_h.func_code == XPT_RESET_DEV) {
- hscb->cdb_len = 0;
- scb->flags |= SCB_DEVICE_RESET;
- hscb->control |= MK_MESSAGE;
- ahc_execute_scb(scb, NULL, 0, 0);
- } else {
- if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
- struct target_data *tdata;
-
- tdata = &hscb->shared_data.tdata;
- if (ahc->pending_device == lstate)
- scb->flags |= SCB_TARGET_IMMEDIATE;
- hscb->control |= TARGET_SCB;
- tdata->target_phases = IDENTIFY_SEEN;
- if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
- tdata->target_phases |= SPHASE_PENDING;
- tdata->scsi_status =
- ccb->csio.scsi_status;
- }
- if (ccb->ccb_h.flags & CAM_DIS_DISCONNECT)
- tdata->target_phases |= NO_DISCONNECT;
-
- tdata->initiator_tag = ccb->csio.tag_id;
- }
- if (ccb->ccb_h.flags & CAM_TAG_ACTION_VALID)
- hscb->control |= ccb->csio.tag_action;
-
- ahc_setup_data(ahc, sim, &ccb->csio, scb);
- }
- break;
- }
- case XPT_NOTIFY_ACK:
- case XPT_IMMED_NOTIFY:
- {
- struct ahc_tmode_tstate *tstate;
- struct ahc_tmode_lstate *lstate;
- cam_status status;
-
- status = ahc_find_tmode_devs(ahc, sim, ccb, &tstate,
- &lstate, TRUE);
-
- if (status != CAM_REQ_CMP) {
- ccb->ccb_h.status = status;
- xpt_done(ccb);
- break;
- }
- SLIST_INSERT_HEAD(&lstate->immed_notifies, &ccb->ccb_h,
- sim_links.sle);
- ccb->ccb_h.status = CAM_REQ_INPROG;
- ahc_send_lstate_events(ahc, lstate);
- break;
- }
- case XPT_EN_LUN: /* Enable LUN as a target */
- ahc_handle_en_lun(ahc, sim, ccb);
- xpt_done(ccb);
- break;
- case XPT_ABORT: /* Abort the specified CCB */
- {
- ahc_abort_ccb(ahc, sim, ccb);
- break;
- }
- case XPT_SET_TRAN_SETTINGS:
- {
-#ifdef AHC_NEW_TRAN_SETTINGS
- struct ahc_devinfo devinfo;
- struct ccb_trans_settings *cts;
- struct ccb_trans_settings_scsi *scsi;
- struct ccb_trans_settings_spi *spi;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
- uint16_t *discenable;
- uint16_t *tagenable;
- u_int update_type;
-
- cts = &ccb->cts;
- scsi = &cts->proto_specific.scsi;
- spi = &cts->xport_specific.spi;
- ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim),
- cts->ccb_h.target_id,
- cts->ccb_h.target_lun,
- SIM_CHANNEL(ahc, sim),
- ROLE_UNKNOWN);
- tinfo = ahc_fetch_transinfo(ahc, devinfo.channel,
- devinfo.our_scsiid,
- devinfo.target, &tstate);
- update_type = 0;
- if (cts->type == CTS_TYPE_CURRENT_SETTINGS) {
- update_type |= AHC_TRANS_GOAL;
- discenable = &tstate->discenable;
- tagenable = &tstate->tagenable;
- tinfo->curr.protocol_version =
- cts->protocol_version;
- tinfo->curr.transport_version =
- cts->transport_version;
- tinfo->goal.protocol_version =
- cts->protocol_version;
- tinfo->goal.transport_version =
- cts->transport_version;
- } else if (cts->type == CTS_TYPE_USER_SETTINGS) {
- update_type |= AHC_TRANS_USER;
- discenable = &ahc->user_discenable;
- tagenable = &ahc->user_tagenable;
- tinfo->user.protocol_version =
- cts->protocol_version;
- tinfo->user.transport_version =
- cts->transport_version;
- } else {
- ccb->ccb_h.status = CAM_REQ_INVALID;
- xpt_done(ccb);
- break;
- }
-
- ahc_lock(ahc, &s);
-
- if ((spi->valid & CTS_SPI_VALID_DISC) != 0) {
- if ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) != 0)
- *discenable |= devinfo.target_mask;
- else
- *discenable &= ~devinfo.target_mask;
- }
-
- if ((scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
- if ((scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0)
- *tagenable |= devinfo.target_mask;
- else
- *tagenable &= ~devinfo.target_mask;
- }
-
- if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) != 0) {
- ahc_validate_width(ahc, /*tinfo limit*/NULL,
- &spi->bus_width, ROLE_UNKNOWN);
- ahc_set_width(ahc, &devinfo, spi->bus_width,
- update_type, /*paused*/FALSE);
- }
-
- if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0) {
- if (update_type == AHC_TRANS_USER)
- spi->ppr_options = tinfo->user.ppr_options;
- else
- spi->ppr_options = tinfo->goal.ppr_options;
- }
-
- if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0) {
- if (update_type == AHC_TRANS_USER)
- spi->sync_offset = tinfo->user.offset;
- else
- spi->sync_offset = tinfo->goal.offset;
- }
-
- if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0) {
- if (update_type == AHC_TRANS_USER)
- spi->sync_period = tinfo->user.period;
- else
- spi->sync_period = tinfo->goal.period;
- }
-
- if (((spi->valid & CTS_SPI_VALID_SYNC_RATE) != 0)
- || ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) != 0)) {
- struct ahc_syncrate *syncrate;
- u_int maxsync;
-
- if ((ahc->features & AHC_ULTRA2) != 0)
- maxsync = AHC_SYNCRATE_DT;
- else if ((ahc->features & AHC_ULTRA) != 0)
- maxsync = AHC_SYNCRATE_ULTRA;
- else
- maxsync = AHC_SYNCRATE_FAST;
-
- syncrate = ahc_find_syncrate(ahc, &spi->sync_period,
- &spi->ppr_options,
- maxsync);
- ahc_validate_offset(ahc, /*tinfo limit*/NULL,
- syncrate, &spi->sync_offset,
- spi->bus_width, ROLE_UNKNOWN);
-
- /* We use a period of 0 to represent async */
- if (spi->sync_offset == 0) {
- spi->sync_period = 0;
- spi->ppr_options = 0;
- }
-
- ahc_set_syncrate(ahc, &devinfo, syncrate,
- spi->sync_period, spi->sync_offset,
- spi->ppr_options, update_type,
- /*paused*/FALSE);
- }
- ahc_unlock(ahc, &s);
- ccb->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
-#else
- struct ahc_devinfo devinfo;
- struct ccb_trans_settings *cts;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
- uint16_t *discenable;
- uint16_t *tagenable;
- u_int update_type;
- long s;
-
- cts = &ccb->cts;
- ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim),
- cts->ccb_h.target_id,
- cts->ccb_h.target_lun,
- SIM_CHANNEL(ahc, sim),
- ROLE_UNKNOWN);
- tinfo = ahc_fetch_transinfo(ahc, devinfo.channel,
- devinfo.our_scsiid,
- devinfo.target, &tstate);
- update_type = 0;
- if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0) {
- update_type |= AHC_TRANS_GOAL;
- discenable = &tstate->discenable;
- tagenable = &tstate->tagenable;
- } else if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) {
- update_type |= AHC_TRANS_USER;
- discenable = &ahc->user_discenable;
- tagenable = &ahc->user_tagenable;
- } else {
- ccb->ccb_h.status = CAM_REQ_INVALID;
- xpt_done(ccb);
- break;
- }
-
- ahc_lock(ahc, &s);
-
- if ((cts->valid & CCB_TRANS_DISC_VALID) != 0) {
- if ((cts->flags & CCB_TRANS_DISC_ENB) != 0)
- *discenable |= devinfo.target_mask;
- else
- *discenable &= ~devinfo.target_mask;
- }
-
- if ((cts->valid & CCB_TRANS_TQ_VALID) != 0) {
- if ((cts->flags & CCB_TRANS_TAG_ENB) != 0)
- *tagenable |= devinfo.target_mask;
- else
- *tagenable &= ~devinfo.target_mask;
- }
-
- if ((cts->valid & CCB_TRANS_BUS_WIDTH_VALID) != 0) {
- ahc_validate_width(ahc, /*tinfo limit*/NULL,
- &cts->bus_width, ROLE_UNKNOWN);
- ahc_set_width(ahc, &devinfo, cts->bus_width,
- update_type, /*paused*/FALSE);
- }
-
- if ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) == 0) {
- if (update_type == AHC_TRANS_USER)
- cts->sync_offset = tinfo->user.offset;
- else
- cts->sync_offset = tinfo->goal.offset;
- }
-
- if ((cts->valid & CCB_TRANS_SYNC_RATE_VALID) == 0) {
- if (update_type == AHC_TRANS_USER)
- cts->sync_period = tinfo->user.period;
- else
- cts->sync_period = tinfo->goal.period;
- }
-
- if (((cts->valid & CCB_TRANS_SYNC_RATE_VALID) != 0)
- || ((cts->valid & CCB_TRANS_SYNC_OFFSET_VALID) != 0)) {
- struct ahc_syncrate *syncrate;
- u_int ppr_options;
- u_int maxsync;
-
- if ((ahc->features & AHC_ULTRA2) != 0)
- maxsync = AHC_SYNCRATE_DT;
- else if ((ahc->features & AHC_ULTRA) != 0)
- maxsync = AHC_SYNCRATE_ULTRA;
- else
- maxsync = AHC_SYNCRATE_FAST;
-
- ppr_options = 0;
- if (cts->sync_period <= 9)
- ppr_options = MSG_EXT_PPR_DT_REQ;
-
- syncrate = ahc_find_syncrate(ahc, &cts->sync_period,
- &ppr_options,
- maxsync);
- ahc_validate_offset(ahc, /*tinfo limit*/NULL,
- syncrate, &cts->sync_offset,
- MSG_EXT_WDTR_BUS_8_BIT,
- ROLE_UNKNOWN);
-
- /* We use a period of 0 to represent async */
- if (cts->sync_offset == 0) {
- cts->sync_period = 0;
- ppr_options = 0;
- }
-
- if (ppr_options == MSG_EXT_PPR_DT_REQ
- && tinfo->user.transport_version >= 3) {
- tinfo->goal.transport_version =
- tinfo->user.transport_version;
- tinfo->curr.transport_version =
- tinfo->user.transport_version;
- }
-
- ahc_set_syncrate(ahc, &devinfo, syncrate,
- cts->sync_period, cts->sync_offset,
- ppr_options, update_type,
- /*paused*/FALSE);
- }
- ahc_unlock(ahc, &s);
- ccb->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
-#endif
- break;
- }
- case XPT_GET_TRAN_SETTINGS:
- /* Get default/user set transfer settings for the target */
- {
-
- ahc_lock(ahc, &s);
- ahc_get_tran_settings(ahc, SIM_SCSI_ID(ahc, sim),
- SIM_CHANNEL(ahc, sim), &ccb->cts);
- ahc_unlock(ahc, &s);
- xpt_done(ccb);
- break;
- }
- case XPT_CALC_GEOMETRY:
- {
- struct ccb_calc_geometry *ccg;
- uint32_t size_mb;
- uint32_t secs_per_cylinder;
- int extended;
-
- ccg = &ccb->ccg;
- size_mb = ccg->volume_size
- / ((1024L * 1024L) / ccg->block_size);
- extended = SIM_IS_SCSIBUS_B(ahc, sim)
- ? ahc->flags & AHC_EXTENDED_TRANS_B
- : ahc->flags & AHC_EXTENDED_TRANS_A;
-
- if (size_mb > 1024 && extended) {
- ccg->heads = 255;
- ccg->secs_per_track = 63;
- } else {
- ccg->heads = 64;
- ccg->secs_per_track = 32;
- }
- secs_per_cylinder = ccg->heads * ccg->secs_per_track;
- ccg->cylinders = ccg->volume_size / secs_per_cylinder;
- ccb->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
- break;
- }
- case XPT_RESET_BUS: /* Reset the specified SCSI bus */
- {
- int found;
-
- ahc_lock(ahc, &s);
- found = ahc_reset_channel(ahc, SIM_CHANNEL(ahc, sim),
- /*initiate reset*/TRUE);
- ahc_unlock(ahc, &s);
- if (bootverbose) {
- xpt_print_path(SIM_PATH(ahc, sim));
- printf("SCSI bus reset delivered. "
- "%d SCBs aborted.\n", found);
- }
- ccb->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
- break;
- }
- case XPT_TERM_IO: /* Terminate the I/O process */
- /* XXX Implement */
- ccb->ccb_h.status = CAM_REQ_INVALID;
- xpt_done(ccb);
- break;
- case XPT_PATH_INQ: /* Path routing inquiry */
- {
- struct ccb_pathinq *cpi = &ccb->cpi;
-
- cpi->version_num = 1; /* XXX??? */
- cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE;
- if ((ahc->features & AHC_WIDE) != 0)
- cpi->hba_inquiry |= PI_WIDE_16;
- if ((ahc->features & AHC_TARGETMODE) != 0) {
- cpi->target_sprt = PIT_PROCESSOR
- | PIT_DISCONNECT
- | PIT_TERM_IO;
- } else {
- cpi->target_sprt = 0;
- }
- cpi->hba_misc = 0;
- cpi->hba_eng_cnt = 0;
- cpi->max_target = (ahc->features & AHC_WIDE) ? 15 : 7;
- cpi->max_lun = AHC_NUM_LUNS - 1;
- if (SIM_IS_SCSIBUS_B(ahc, sim)) {
- cpi->initiator_id = ahc->our_id_b;
- if ((ahc->flags & AHC_RESET_BUS_B) == 0)
- cpi->hba_misc |= PIM_NOBUSRESET;
- } else {
- cpi->initiator_id = ahc->our_id;
- if ((ahc->flags & AHC_RESET_BUS_A) == 0)
- cpi->hba_misc |= PIM_NOBUSRESET;
- }
- cpi->bus_id = cam_sim_bus(sim);
- cpi->base_transfer_speed = 3300;
- strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
- strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
- strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
- cpi->unit_number = cam_sim_unit(sim);
-#ifdef AHC_NEW_TRAN_SETTINGS
- cpi->protocol = PROTO_SCSI;
- cpi->protocol_version = SCSI_REV_2;
- cpi->transport = XPORT_SPI;
- cpi->transport_version = 2;
- cpi->xport_specific.spi.ppr_options = SID_SPI_CLOCK_ST;
- if ((ahc->features & AHC_DT) != 0) {
- cpi->transport_version = 3;
- cpi->xport_specific.spi.ppr_options =
- SID_SPI_CLOCK_DT_ST;
- }
-#endif
- cpi->ccb_h.status = CAM_REQ_CMP;
- xpt_done(ccb);
- break;
- }
- default:
- ccb->ccb_h.status = CAM_PROVIDE_FAIL;
- xpt_done(ccb);
- break;
- }
-}
-
-static void
-ahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel,
- struct ccb_trans_settings *cts)
-{
-#ifdef AHC_NEW_TRAN_SETTINGS
- struct ahc_devinfo devinfo;
- struct ccb_trans_settings_scsi *scsi;
- struct ccb_trans_settings_spi *spi;
- struct ahc_initiator_tinfo *targ_info;
- struct ahc_tmode_tstate *tstate;
- struct ahc_transinfo *tinfo;
-
- scsi = &cts->proto_specific.scsi;
- spi = &cts->xport_specific.spi;
- ahc_compile_devinfo(&devinfo, our_id,
- cts->ccb_h.target_id,
- cts->ccb_h.target_lun,
- channel, ROLE_UNKNOWN);
- targ_info = ahc_fetch_transinfo(ahc, devinfo.channel,
- devinfo.our_scsiid,
- devinfo.target, &tstate);
-
- if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
- tinfo = &targ_info->curr;
- else
- tinfo = &targ_info->user;
-
- scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
- spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
- if (cts->type == CTS_TYPE_USER_SETTINGS) {
- if ((ahc->user_discenable & devinfo.target_mask) != 0)
- spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
-
- if ((ahc->user_tagenable & devinfo.target_mask) != 0)
- scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
- } else {
- if ((tstate->discenable & devinfo.target_mask) != 0)
- spi->flags |= CTS_SPI_FLAGS_DISC_ENB;
-
- if ((tstate->tagenable & devinfo.target_mask) != 0)
- scsi->flags |= CTS_SCSI_FLAGS_TAG_ENB;
- }
- cts->protocol_version = tinfo->protocol_version;
- cts->transport_version = tinfo->transport_version;
-
- spi->sync_period = tinfo->period;
- spi->sync_offset = tinfo->offset;
- spi->bus_width = tinfo->width;
- spi->ppr_options = tinfo->ppr_options;
-
- cts->protocol = PROTO_SCSI;
- cts->transport = XPORT_SPI;
- spi->valid = CTS_SPI_VALID_SYNC_RATE
- | CTS_SPI_VALID_SYNC_OFFSET
- | CTS_SPI_VALID_BUS_WIDTH
- | CTS_SPI_VALID_PPR_OPTIONS;
-
- if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD) {
- scsi->valid = CTS_SCSI_VALID_TQ;
- spi->valid |= CTS_SPI_VALID_DISC;
- } else {
- scsi->valid = 0;
- }
-
- cts->ccb_h.status = CAM_REQ_CMP;
-#else
- struct ahc_devinfo devinfo;
- struct ahc_initiator_tinfo *targ_info;
- struct ahc_tmode_tstate *tstate;
- struct ahc_transinfo *tinfo;
- long s;
-
- ahc_compile_devinfo(&devinfo, our_id,
- cts->ccb_h.target_id,
- cts->ccb_h.target_lun,
- channel, ROLE_UNKNOWN);
- targ_info = ahc_fetch_transinfo(ahc, devinfo.channel,
- devinfo.our_scsiid,
- devinfo.target, &tstate);
-
- if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) != 0)
- tinfo = &targ_info->curr;
- else
- tinfo = &targ_info->user;
-
- ahc_lock(ahc, &s);
-
- cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
- if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) == 0) {
- if ((ahc->user_discenable & devinfo.target_mask) != 0)
- cts->flags |= CCB_TRANS_DISC_ENB;
-
- if ((ahc->user_tagenable & devinfo.target_mask) != 0)
- cts->flags |= CCB_TRANS_TAG_ENB;
- } else {
- if ((tstate->discenable & devinfo.target_mask) != 0)
- cts->flags |= CCB_TRANS_DISC_ENB;
-
- if ((tstate->tagenable & devinfo.target_mask) != 0)
- cts->flags |= CCB_TRANS_TAG_ENB;
- }
- cts->sync_period = tinfo->period;
- cts->sync_offset = tinfo->offset;
- cts->bus_width = tinfo->width;
-
- ahc_unlock(ahc, &s);
-
- cts->valid = CCB_TRANS_SYNC_RATE_VALID
- | CCB_TRANS_SYNC_OFFSET_VALID
- | CCB_TRANS_BUS_WIDTH_VALID;
-
- if (cts->ccb_h.target_lun != CAM_LUN_WILDCARD)
- cts->valid |= CCB_TRANS_DISC_VALID|CCB_TRANS_TQ_VALID;
-
- cts->ccb_h.status = CAM_REQ_CMP;
-#endif
-}
-
-static void
-ahc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
-{
- struct ahc_softc *ahc;
- struct cam_sim *sim;
-
- sim = (struct cam_sim *)callback_arg;
- ahc = (struct ahc_softc *)cam_sim_softc(sim);
- switch (code) {
- case AC_LOST_DEVICE:
- {
- struct ahc_devinfo devinfo;
- long s;
-
- ahc_compile_devinfo(&devinfo, SIM_SCSI_ID(ahc, sim),
- xpt_path_target_id(path),
- xpt_path_lun_id(path),
- SIM_CHANNEL(ahc, sim),
- ROLE_UNKNOWN);
-
- /*
- * Revert to async/narrow transfers
- * for the next device.
- */
- ahc_lock(ahc, &s);
- ahc_set_width(ahc, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
- AHC_TRANS_GOAL|AHC_TRANS_CUR, /*paused*/FALSE);
- ahc_set_syncrate(ahc, &devinfo, /*syncrate*/NULL,
- /*period*/0, /*offset*/0, /*ppr_options*/0,
- AHC_TRANS_GOAL|AHC_TRANS_CUR,
- /*paused*/FALSE);
- ahc_unlock(ahc, &s);
- break;
- }
- default:
- break;
- }
-}
-
-static void
-ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
- int error)
-{
- struct scb *scb;
- union ccb *ccb;
- struct ahc_softc *ahc;
- struct ahc_initiator_tinfo *tinfo;
- struct ahc_tmode_tstate *tstate;
- u_int mask;
- long s;
-
- scb = (struct scb *)arg;
- ccb = scb->io_ctx;
- ahc = scb->ahc_softc;
-
- if (error != 0) {
- if (error == EFBIG)
- ahc_set_transaction_status(scb, CAM_REQ_TOO_BIG);
- else
- ahc_set_transaction_status(scb, CAM_REQ_CMP_ERR);
- if (nsegments != 0)
- bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap);
- ahc_lock(ahc, &s);
- ahc_free_scb(ahc, scb);
- ahc_unlock(ahc, &s);
- xpt_done(ccb);
- return;
- }
- if (nsegments != 0) {
- struct ahc_dma_seg *sg;
- bus_dma_segment_t *end_seg;
- bus_dmasync_op_t op;
-
- end_seg = dm_segs + nsegments;
-
- /* Copy the segments into our SG list */
- sg = scb->sg_list;
- while (dm_segs < end_seg) {
- uint32_t len;
-
- sg->addr = ahc_htole32(dm_segs->ds_addr);
- len = dm_segs->ds_len
- | ((dm_segs->ds_addr >> 8) & 0x7F000000);
- sg->len = ahc_htole32(len);
- sg++;
- dm_segs++;
- }
-
- /*
- * Note where to find the SG entries in bus space.
- * We also set the full residual flag which the
- * sequencer will clear as soon as a data transfer
- * occurs.
- */
- scb->hscb->sgptr = ahc_htole32(scb->sg_list_phys|SG_FULL_RESID);
-
- if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
- op = BUS_DMASYNC_PREREAD;
- else
- op = BUS_DMASYNC_PREWRITE;
-
- bus_dmamap_sync(ahc->buffer_dmat, scb->dmamap, op);
-
- if (ccb->ccb_h.func_code == XPT_CONT_TARGET_IO) {
- struct target_data *tdata;
-
- tdata = &scb->hscb->shared_data.tdata;
- tdata->target_phases |= DPHASE_PENDING;
- if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
- tdata->data_phase = P_DATAOUT;
- else
- tdata->data_phase = P_DATAIN;
-
- /*
- * If the transfer is of an odd length and in the
- * "in" direction (scsi->HostBus), then it may
- * trigger a bug in the 'WideODD' feature of
- * non-Ultra2 chips. Force the total data-length
- * to be even by adding an extra, 1 byte, SG,
- * element. We do this even if we are not currently
- * negotiated wide as negotiation could occur before
- * this command is executed.
- */
- if ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0
- && (ccb->csio.dxfer_len & 0x1) != 0
- && (ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
-
- nsegments++;
- if (nsegments > AHC_NSEG) {
-
- ahc_set_transaction_status(scb,
- CAM_REQ_TOO_BIG);
- bus_dmamap_unload(ahc->buffer_dmat,
- scb->dmamap);
- ahc_lock(ahc, &s);
- ahc_free_scb(ahc, scb);
- ahc_unlock(ahc, &s);
- xpt_done(ccb);
- return;
- }
- sg->addr = ahc_htole32(ahc->dma_bug_buf);
- sg->len = ahc_htole32(1);
- sg++;
- }
- }
- sg--;
- sg->len |= ahc_htole32(AHC_DMA_LAST_SEG);
-
- /* Copy the first SG into the "current" data pointer area */
- scb->hscb->dataptr = scb->sg_list->addr;
- scb->hscb->datacnt = scb->sg_list->len;
- } else {
- scb->hscb->sgptr = SG_LIST_NULL;
- scb->hscb->dataptr = 0;
- scb->hscb->datacnt = 0;
- }
-
- scb->sg_count = nsegments;
-
- ahc_lock(ahc, &s);
-
- /*
- * Last time we need to check if this SCB needs to
- * be aborted.
- */
- if (ahc_get_transaction_status(scb) != CAM_REQ_INPROG) {
- if (nsegments != 0)
- bus_dmamap_unload(ahc->buffer_dmat,
- scb->dmamap);
- ahc_free_scb(ahc, scb);
- ahc_unlock(ahc, &s);
- xpt_done(ccb);
- return;
- }
-
- tinfo = ahc_fetch_transinfo(ahc, SCSIID_CHANNEL(ahc, scb->hscb->scsiid),
- SCSIID_OUR_ID(scb->hscb->scsiid),
- SCSIID_TARGET(ahc, scb->hscb->scsiid),
- &tstate);
-
- mask = SCB_GET_TARGET_MASK(ahc, scb);
- scb->hscb->scsirate = tinfo->scsirate;
- scb->hscb->scsioffset = tinfo->curr.offset;
- if ((tstate->ultraenb & mask) != 0)
- scb->hscb->control |= ULTRAENB;
-
- if ((tstate->discenable & mask) != 0
- && (ccb->ccb_h.flags & CAM_DIS_DISCONNECT) == 0)
- scb->hscb->control |= DISCENB;
-
- if ((ccb->ccb_h.flags & CAM_NEGOTIATE) != 0
- && (tinfo->goal.width != 0
- || tinfo->goal.period != 0
- || tinfo->goal.ppr_options != 0)) {
- scb->flags |= SCB_NEGOTIATE;
- scb->hscb->control |= MK_MESSAGE;
- } else if ((tstate->auto_negotiate & mask) != 0) {
- scb->flags |= SCB_AUTO_NEGOTIATE;
- scb->hscb->control |= MK_MESSAGE;
- }
-
- LIST_INSERT_HEAD(&ahc->pending_scbs, scb, pending_links);
-
- ccb->ccb_h.status |= CAM_SIM_QUEUED;
-
- if (ccb->ccb_h.timeout != CAM_TIME_INFINITY) {
- uint64_t time;
-
- if (ccb->ccb_h.timeout == CAM_TIME_DEFAULT)
- ccb->ccb_h.timeout = 5 * 1000;
-
- time = ccb->ccb_h.timeout;
- time *= hz;
- time /= 1000;
- ccb->ccb_h.timeout_ch =
- timeout(ahc_timeout, (caddr_t)scb, time);
- }
-
- /*
- * We only allow one untagged transaction
- * per target in the initiator role unless
- * we are storing a full busy target *lun*
- * table in SCB space.
- */
- if ((scb->hscb->control & (TARGET_SCB|TAG_ENB)) == 0
- && (ahc->flags & AHC_SCB_BTT) == 0) {
- struct scb_tailq *untagged_q;
- int target_offset;
-
- target_offset = SCB_GET_TARGET_OFFSET(ahc, scb);
- untagged_q = &(ahc->untagged_queues[target_offset]);
- TAILQ_INSERT_TAIL(untagged_q, scb, links.tqe);
- scb->flags |= SCB_UNTAGGEDQ;
- if (TAILQ_FIRST(untagged_q) != scb) {
- ahc_unlock(ahc, &s);
- return;
- }
- }
- scb->flags |= SCB_ACTIVE;
-
- if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {
- /* Define a mapping from our tag to the SCB. */
- ahc->scb_data->scbindex[scb->hscb->tag] = scb;
- ahc_pause(ahc);
- if ((ahc->flags & AHC_PAGESCBS) == 0)
- ahc_outb(ahc, SCBPTR, scb->hscb->tag);
- ahc_outb(ahc, SCB_TAG, scb->hscb->tag);
- ahc_outb(ahc, RETURN_1, CONT_MSG_LOOP);
- ahc_unpause(ahc);
- } else {
- ahc_queue_scb(ahc, scb);
- }
-
- ahc_unlock(ahc, &s);
-}
-
-static void
-ahc_poll(struct cam_sim *sim)
-{
- ahc_intr(cam_sim_softc(sim));
-}
-
-static void
-ahc_setup_data(struct ahc_softc *ahc, struct cam_sim *sim,
- struct ccb_scsiio *csio, struct scb *scb)
-{
- struct hardware_scb *hscb;
- struct ccb_hdr *ccb_h;
-
- hscb = scb->hscb;
- ccb_h = &csio->ccb_h;
-
- csio->resid = 0;
- csio->sense_resid = 0;
- if (ccb_h->func_code == XPT_SCSI_IO) {
- hscb->cdb_len = csio->cdb_len;
- if ((ccb_h->flags & CAM_CDB_POINTER) != 0) {
-
- if (hscb->cdb_len > sizeof(hscb->cdb32)
- || (ccb_h->flags & CAM_CDB_PHYS) != 0) {
- u_long s;
-
- ahc_set_transaction_status(scb,
- CAM_REQ_INVALID);
- ahc_lock(ahc, &s);
- ahc_free_scb(ahc, scb);
- ahc_unlock(ahc, &s);
- xpt_done((union ccb *)csio);
- return;
- }
- if (hscb->cdb_len > 12) {
- memcpy(hscb->cdb32,
- csio->cdb_io.cdb_ptr,
- hscb->cdb_len);
- scb->flags |= SCB_CDB32_PTR;
- } else {
- memcpy(hscb->shared_data.cdb,
- csio->cdb_io.cdb_ptr,
- hscb->cdb_len);
- }
- } else {
- if (hscb->cdb_len > 12) {
- memcpy(hscb->cdb32, csio->cdb_io.cdb_bytes,
- hscb->cdb_len);
- scb->flags |= SCB_CDB32_PTR;
- } else {
- memcpy(hscb->shared_data.cdb,
- csio->cdb_io.cdb_bytes,
- hscb->cdb_len);
- }
- }
- }
-
- /* Only use S/G if there is a transfer */
- if ((ccb_h->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
- if ((ccb_h->flags & CAM_SCATTER_VALID) == 0) {
- /* We've been given a pointer to a single buffer */
- if ((ccb_h->flags & CAM_DATA_PHYS) == 0) {
- int s;
- int error;
-
- s = splsoftvm();
- error = bus_dmamap_load(ahc->buffer_dmat,
- scb->dmamap,
- csio->data_ptr,
- csio->dxfer_len,
- ahc_execute_scb,
- scb, /*flags*/0);
- if (error == EINPROGRESS) {
- /*
- * So as to maintain ordering,
- * freeze the controller queue
- * until our mapping is
- * returned.
- */
- xpt_freeze_simq(sim,
- /*count*/1);
- scb->io_ctx->ccb_h.status |=
- CAM_RELEASE_SIMQ;
- }
- splx(s);
- } else {
- struct bus_dma_segment seg;
-
- /* Pointer to physical buffer */
- if (csio->dxfer_len > AHC_MAXTRANSFER_SIZE)
- panic("ahc_setup_data - Transfer size "
- "larger than can device max");
-
- seg.ds_addr = (bus_addr_t)csio->data_ptr;
- seg.ds_len = csio->dxfer_len;
- ahc_execute_scb(scb, &seg, 1, 0);
- }
- } else {
- struct bus_dma_segment *segs;
-
- if ((ccb_h->flags & CAM_DATA_PHYS) != 0)
- panic("ahc_setup_data - Physical segment "
- "pointers unsupported");
-
- if ((ccb_h->flags & CAM_SG_LIST_PHYS) == 0)
- panic("ahc_setup_data - Virtual segment "
- "addresses unsupported");
-
- /* Just use the segments provided */
- segs = (struct bus_dma_segment *)csio->data_ptr;
- ahc_execute_scb(scb, segs, csio->sglist_cnt, 0);
- }
- } else {
- ahc_execute_scb(scb, NULL, 0, 0);
- }
-}
-
-static void
-ahc_set_recoveryscb(struct ahc_softc *ahc, struct scb *scb) {
-
- if ((scb->flags & SCB_RECOVERY_SCB) == 0) {
- struct scb *list_scb;
-
- scb->flags |= SCB_RECOVERY_SCB;
-
- /*
- * Take all queued, but not sent SCBs out of the equation.
- * Also ensure that no new CCBs are queued to us while we
- * try to fix this problem.
- */
- if ((scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
- xpt_freeze_simq(SCB_GET_SIM(ahc, scb), /*count*/1);
- scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ;
- }
-
- /*
- * Go through all of our pending SCBs and remove
- * any scheduled timeouts for them. We will reschedule
- * them after we've successfully fixed this problem.
- */
- LIST_FOREACH(list_scb, &ahc->pending_scbs, pending_links) {
- union ccb *ccb;
-
- ccb = list_scb->io_ctx;
- untimeout(ahc_timeout, list_scb, ccb->ccb_h.timeout_ch);
- }
- }
-}
-
-void
-ahc_timeout(void *arg)
-{
- struct scb *scb;
- struct ahc_softc *ahc;
- long s;
- int found;
- u_int last_phase;
- int target;
- int lun;
- int i;
- char channel;
-
- scb = (struct scb *)arg;
- ahc = (struct ahc_softc *)scb->ahc_softc;
-
- ahc_lock(ahc, &s);
-
- ahc_pause_and_flushwork(ahc);
-
- if ((scb->flags & SCB_ACTIVE) == 0) {
- /* Previous timeout took care of me already */
- printf("%s: Timedout SCB already complete. "
- "Interrupts may not be functioning.\n", ahc_name(ahc));
- ahc_unpause(ahc);
- ahc_unlock(ahc, &s);
- return;
- }
-
- target = SCB_GET_TARGET(ahc, scb);
- channel = SCB_GET_CHANNEL(ahc, scb);
- lun = SCB_GET_LUN(scb);
-
- ahc_print_path(ahc, scb);
- printf("SCB 0x%x - timed out\n", scb->hscb->tag);
- ahc_dump_card_state(ahc);
- last_phase = ahc_inb(ahc, LASTPHASE);
- if (scb->sg_count > 0) {
- for (i = 0; i < scb->sg_count; i++) {
- printf("sg[%d] - Addr 0x%x : Length %d\n",
- i,
- scb->sg_list[i].addr,
- scb->sg_list[i].len & AHC_SG_LEN_MASK);
- }
- }
- if (scb->flags & (SCB_DEVICE_RESET|SCB_ABORT)) {
- /*
- * Been down this road before.
- * Do a full bus reset.
- */
-bus_reset:
- ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT);
- found = ahc_reset_channel(ahc, channel, /*Initiate Reset*/TRUE);
- printf("%s: Issued Channel %c Bus Reset. "
- "%d SCBs aborted\n", ahc_name(ahc), channel, found);
- } else {
- /*
- * If we are a target, transition to bus free and report
- * the timeout.
- *
- * The target/initiator that is holding up the bus may not
- * be the same as the one that triggered this timeout
- * (different commands have different timeout lengths).
- * If the bus is idle and we are actiing as the initiator
- * for this request, queue a BDR message to the timed out
- * target. Otherwise, if the timed out transaction is
- * active:
- * Initiator transaction:
- * Stuff the message buffer with a BDR message and assert
- * ATN in the hopes that the target will let go of the bus
- * and go to the mesgout phase. If this fails, we'll
- * get another timeout 2 seconds later which will attempt
- * a bus reset.
- *
- * Target transaction:
- * Transition to BUS FREE and report the error.
- * It's good to be the target!
- */
- u_int active_scb_index;
- u_int saved_scbptr;
-
- saved_scbptr = ahc_inb(ahc, SCBPTR);
- active_scb_index = ahc_inb(ahc, SCB_TAG);
-
- if (last_phase != P_BUSFREE
- && (ahc_inb(ahc, SEQ_FLAGS) & IDENTIFY_SEEN) != 0
- && (active_scb_index < ahc->scb_data->numscbs)) {
- struct scb *active_scb;
-
- /*
- * If the active SCB is not us, assume that
- * the active SCB has a longer timeout than
- * the timedout SCB, and wait for the active
- * SCB to timeout.
- */
- active_scb = ahc_lookup_scb(ahc, active_scb_index);
- if (active_scb != scb) {
- struct ccb_hdr *ccbh;
- uint64_t newtimeout;
-
- ahc_print_path(ahc, scb);
- printf("Other SCB Timeout%s",
- (scb->flags & SCB_OTHERTCL_TIMEOUT) != 0
- ? " again\n" : "\n");
- scb->flags |= SCB_OTHERTCL_TIMEOUT;
- newtimeout =
- MAX(active_scb->io_ctx->ccb_h.timeout,
- scb->io_ctx->ccb_h.timeout);
- newtimeout *= hz;
- newtimeout /= 1000;
- ccbh = &scb->io_ctx->ccb_h;
- scb->io_ctx->ccb_h.timeout_ch =
- timeout(ahc_timeout, scb, newtimeout);
- ahc_unpause(ahc);
- ahc_unlock(ahc, &s);
- return;
- }
-
- /* It's us */
- if ((scb->hscb->control & TARGET_SCB) != 0) {
-
- /*
- * Send back any queued up transactions
- * and properly record the error condition.
- */
- ahc_freeze_devq(ahc, scb);
- ahc_set_transaction_status(scb,
- CAM_CMD_TIMEOUT);
- ahc_freeze_scb(scb);
- ahc_done(ahc, scb);
-
- /* Will clear us from the bus */
- ahc_restart(ahc);
- ahc_unlock(ahc, &s);
- return;
- }
-
- ahc_set_recoveryscb(ahc, active_scb);
- ahc_outb(ahc, MSG_OUT, HOST_MSG);
- ahc_outb(ahc, SCSISIGO, last_phase|ATNO);
- ahc_print_path(ahc, active_scb);
- printf("BDR message in message buffer\n");
- active_scb->flags |= SCB_DEVICE_RESET;
- active_scb->io_ctx->ccb_h.timeout_ch =
- timeout(ahc_timeout, (caddr_t)active_scb, 2 * hz);
- ahc_unpause(ahc);
- } else {
- int disconnected;
-
- /* XXX Shouldn't panic. Just punt instead */
- if ((scb->hscb->control & TARGET_SCB) != 0)
- panic("Timed-out target SCB but bus idle");
-
- if (last_phase != P_BUSFREE
- && (ahc_inb(ahc, SSTAT0) & TARGET) != 0) {
- /* XXX What happened to the SCB? */
- /* Hung target selection. Goto busfree */
- printf("%s: Hung target selection\n",
- ahc_name(ahc));
- ahc_restart(ahc);
- ahc_unlock(ahc, &s);
- return;
- }
-
- if (ahc_search_qinfifo(ahc, target, channel, lun,
- scb->hscb->tag, ROLE_INITIATOR,
- /*status*/0, SEARCH_COUNT) > 0) {
- disconnected = FALSE;
- } else {
- disconnected = TRUE;
- }
-
- if (disconnected) {
-
- ahc_set_recoveryscb(ahc, scb);
- /*
- * Actually re-queue this SCB in an attempt
- * to select the device before it reconnects.
- * In either case (selection or reselection),
- * we will now issue a target reset to the
- * timed-out device.
- *
- * Set the MK_MESSAGE control bit indicating
- * that we desire to send a message. We
- * also set the disconnected flag since
- * in the paging case there is no guarantee
- * that our SCB control byte matches the
- * version on the card. We don't want the
- * sequencer to abort the command thinking
- * an unsolicited reselection occurred.
- */
- scb->hscb->control |= MK_MESSAGE|DISCONNECTED;
- scb->flags |= SCB_DEVICE_RESET;
-
- /*
- * Remove any cached copy of this SCB in the
- * disconnected list in preparation for the
- * queuing of our abort SCB. We use the
- * same element in the SCB, SCB_NEXT, for
- * both the qinfifo and the disconnected list.
- */
- ahc_search_disc_list(ahc, target, channel,
- lun, scb->hscb->tag,
- /*stop_on_first*/TRUE,
- /*remove*/TRUE,
- /*save_state*/FALSE);
-
- /*
- * In the non-paging case, the sequencer will
- * never re-reference the in-core SCB.
- * To make sure we are notified during
- * reslection, set the MK_MESSAGE flag in
- * the card's copy of the SCB.
- */
- if ((ahc->flags & AHC_PAGESCBS) == 0) {
- ahc_outb(ahc, SCBPTR, scb->hscb->tag);
- ahc_outb(ahc, SCB_CONTROL,
- ahc_inb(ahc, SCB_CONTROL)
- | MK_MESSAGE);
- }
-
- /*
- * Clear out any entries in the QINFIFO first
- * so we are the next SCB for this target
- * to run.
- */
- ahc_search_qinfifo(ahc,
- SCB_GET_TARGET(ahc, scb),
- channel, SCB_GET_LUN(scb),
- SCB_LIST_NULL,
- ROLE_INITIATOR,
- CAM_REQUEUE_REQ,
- SEARCH_COMPLETE);
- ahc_print_path(ahc, scb);
- printf("Queuing a BDR SCB\n");
- ahc_qinfifo_requeue_tail(ahc, scb);
- ahc_outb(ahc, SCBPTR, saved_scbptr);
- scb->io_ctx->ccb_h.timeout_ch =
- timeout(ahc_timeout, (caddr_t)scb, 2 * hz);
- ahc_unpause(ahc);
- } else {
- /* Go "immediatly" to the bus reset */
- /* This shouldn't happen */
- ahc_set_recoveryscb(ahc, scb);
- ahc_print_path(ahc, scb);
- printf("SCB %d: Immediate reset. "
- "Flags = 0x%x\n", scb->hscb->tag,
- scb->flags);
- goto bus_reset;
- }
- }
- }
- ahc_unlock(ahc, &s);
-}
-
-static void
-ahc_abort_ccb(struct ahc_softc *ahc, struct cam_sim *sim, union ccb *ccb)
-{
- union ccb *abort_ccb;
-
- abort_ccb = ccb->cab.abort_ccb;
- switch (abort_ccb->ccb_h.func_code) {
- case XPT_ACCEPT_TARGET_IO:
- case XPT_IMMED_NOTIFY:
- case XPT_CONT_TARGET_IO:
- {
- struct ahc_tmode_tstate *tstate;
- struct ahc_tmode_lstate *lstate;
- struct ccb_hdr_slist *list;
- cam_status status;
-
- status = ahc_find_tmode_devs(ahc, sim, abort_ccb, &tstate,
- &lstate, TRUE);
-
- if (status != CAM_REQ_CMP) {
- ccb->ccb_h.status = status;
- break;
- }
-
- if (abort_ccb->ccb_h.func_code == XPT_ACCEPT_TARGET_IO)
- list = &lstate->accept_tios;
- else if (abort_ccb->ccb_h.func_code == XPT_IMMED_NOTIFY)
- list = &lstate->immed_notifies;
- else
- list = NULL;
-
- if (list != NULL) {
- struct ccb_hdr *curelm;
- int found;
-
- curelm = SLIST_FIRST(list);
- found = 0;
- if (curelm == &abort_ccb->ccb_h) {
- found = 1;
- SLIST_REMOVE_HEAD(list, sim_links.sle);
- } else {
- while(curelm != NULL) {
- struct ccb_hdr *nextelm;
-
- nextelm =
- SLIST_NEXT(curelm, sim_links.sle);
-
- if (nextelm == &abort_ccb->ccb_h) {
- found = 1;
- SLIST_NEXT(curelm,
- sim_links.sle) =
- SLIST_NEXT(nextelm,
- sim_links.sle);
- break;
- }
- curelm = nextelm;
- }
- }
-
- if (found) {
- abort_ccb->ccb_h.status = CAM_REQ_ABORTED;
- xpt_done(abort_ccb);
- ccb->ccb_h.status = CAM_REQ_CMP;
- } else {
- xpt_print_path(abort_ccb->ccb_h.path);
- printf("Not found\n");
- ccb->ccb_h.status = CAM_PATH_INVALID;
- }
- break;
- }
- /* FALLTHROUGH */
- }
- case XPT_SCSI_IO:
- /* XXX Fully implement the hard ones */
- ccb->ccb_h.status = CAM_UA_ABORT;
- break;
- default:
- ccb->ccb_h.status = CAM_REQ_INVALID;
- break;
- }
- xpt_done(ccb);
-}
-
-void
-ahc_send_async(struct ahc_softc *ahc, char channel, u_int target,
- u_int lun, ac_code code, void *opt_arg)
-{
- struct ccb_trans_settings cts;
- struct cam_path *path;
- void *arg;
- int error;
-
- arg = NULL;
- error = ahc_create_path(ahc, channel, target, lun, &path);
-
- if (error != CAM_REQ_CMP)
- return;
-
- switch (code) {
- case AC_TRANSFER_NEG:
- {
-#ifdef AHC_NEW_TRAN_SETTINGS
- struct ccb_trans_settings_scsi *scsi;
-
- cts.type = CTS_TYPE_CURRENT_SETTINGS;
- scsi = &cts.proto_specific.scsi;
-#else
- cts.flags = CCB_TRANS_CURRENT_SETTINGS;
-#endif
- cts.ccb_h.path = path;
- cts.ccb_h.target_id = target;
- cts.ccb_h.target_lun = lun;
- ahc_get_tran_settings(ahc, channel == 'A' ? ahc->our_id
- : ahc->our_id_b,
- channel, &cts);
- arg = &cts;
-#ifdef AHC_NEW_TRAN_SETTINGS
- scsi->valid &= ~CTS_SCSI_VALID_TQ;
- scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
-#else
- cts.valid &= ~CCB_TRANS_TQ_VALID;
- cts.flags &= ~CCB_TRANS_TAG_ENB;
-#endif
- if (opt_arg == NULL)
- break;
- if (*((ahc_queue_alg *)opt_arg) == AHC_QUEUE_TAGGED)
-#ifdef AHC_NEW_TRAN_SETTINGS
- scsi->flags |= ~CTS_SCSI_FLAGS_TAG_ENB;
- scsi->valid |= CTS_SCSI_VALID_TQ;
-#else
- cts.flags |= CCB_TRANS_TAG_ENB;
- cts.valid |= CCB_TRANS_TQ_VALID;
-#endif
- break;
- }
- case AC_SENT_BDR:
- case AC_BUS_RESET:
- break;
- default:
- panic("ahc_send_async: Unexpected async event");
- }
- xpt_async(code, path, arg);
- xpt_free_path(path);
-}
-
-void
-ahc_platform_set_tags(struct ahc_softc *ahc,
- struct ahc_devinfo *devinfo, int enable)
-{
-}
-
-int
-ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg)
-{
- ahc->platform_data = malloc(sizeof(struct ahc_platform_data), M_DEVBUF,
- M_NOWAIT | M_ZERO);
- if (ahc->platform_data == NULL)
- return (ENOMEM);
- return (0);
-}
-
-void
-ahc_platform_free(struct ahc_softc *ahc)
-{
- struct ahc_platform_data *pdata;
-
- pdata = ahc->platform_data;
- if (pdata != NULL) {
- if (pdata->regs != NULL)
- bus_release_resource(ahc->dev_softc,
- pdata->regs_res_type,
- pdata->regs_res_id,
- pdata->regs);
-
- if (pdata->irq != NULL)
- bus_release_resource(ahc->dev_softc,
- pdata->irq_res_type,
- 0, pdata->irq);
-
- if (pdata->sim_b != NULL) {
- xpt_async(AC_LOST_DEVICE, pdata->path_b, NULL);
- xpt_free_path(pdata->path_b);
- xpt_bus_deregister(cam_sim_path(pdata->sim_b));
- cam_sim_free(pdata->sim_b, /*free_devq*/TRUE);
- }
- if (pdata->sim != NULL) {
- xpt_async(AC_LOST_DEVICE, pdata->path, NULL);
- xpt_free_path(pdata->path);
- xpt_bus_deregister(cam_sim_path(pdata->sim));
- cam_sim_free(pdata->sim, /*free_devq*/TRUE);
- }
- if (pdata->eh != NULL)
- EVENTHANDLER_DEREGISTER(shutdown_final, pdata->eh);
- free(ahc->platform_data, M_DEVBUF);
- }
-}
-
-int
-ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc)
-{
- /* We don't sort softcs under FreeBSD so report equal always */
- return (0);
-}
-
-int
-ahc_detach(device_t dev)
-{
- struct ahc_softc *ahc;
- u_long s;
-
- device_printf(dev, "detaching device\n");
- ahc = device_get_softc(dev);
- ahc_lock(ahc, &s);
- bus_teardown_intr(dev, ahc->platform_data->irq, ahc->platform_data->ih);
- ahc_unlock(ahc, &s);
- ahc_free(ahc);
- return (0);
-}
-
-#if UNUSED
-static void
-ahc_dump_targcmd(struct target_cmd *cmd)
-{
- uint8_t *byte;
- uint8_t *last_byte;
- int i;
-
- byte = &cmd->initiator_channel;
- /* Debugging info for received commands */
- last_byte = &cmd[1].initiator_channel;
-
- i = 0;
- while (byte < last_byte) {
- if (i == 0)
- printf("\t");
- printf("%#x", *byte++);
- i++;
- if (i == 8) {
- printf("\n");
- i = 0;
- } else {
- printf(", ");
- }
- }
-}
-#endif
-
-static int
-ahc_modevent(module_t mod, int type, void *data)
-{
- /* XXX Deal with busy status on unload. */
- return 0;
-}
-
-static moduledata_t ahc_mod = {
- "ahc",
- ahc_modevent,
- NULL
-};
-
-DECLARE_MODULE(ahc, ahc_mod, SI_SUB_DRIVERS, SI_ORDER_MIDDLE);
-MODULE_DEPEND(ahc, cam, 1, 1, 1);
-MODULE_VERSION(ahc, 1);
diff --git a/sys/dev/aic7xxx/aic7xxx_freebsd.h b/sys/dev/aic7xxx/aic7xxx_freebsd.h
deleted file mode 100644
index b12a2d6..0000000
--- a/sys/dev/aic7xxx/aic7xxx_freebsd.h
+++ /dev/null
@@ -1,516 +0,0 @@
-/*
- * FreeBSD platform specific driver option settings, data structures,
- * function declarations and includes.
- *
- * Copyright (c) 1994-2001 Justin T. Gibbs.
- * All rights reserved.
- *
- * 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,
- * without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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.
- *
- * $Id$
- *
- * $FreeBSD$
- */
-
-#ifndef _AIC7XXX_FREEBSD_H_
-#define _AIC7XXX_FREEBSD_H_
-
-#include <opt_aic7xxx.h> /* for config options */
-#ifndef NPCI
-#include <pci.h>
-#endif
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/bus.h> /* For device_t */
-#include <sys/eventhandler.h>
-#include <sys/kernel.h>
-#include <sys/malloc.h>
-#include <sys/queue.h>
-
-#if NPCI > 0
-#define AHC_PCI_CONFIG 1
-#ifdef AHC_ALLOW_MEMIO
-#include <machine/bus_memio.h>
-#endif
-#endif
-#include <machine/bus_pio.h>
-#include <machine/bus.h>
-#include <machine/clock.h>
-#include <machine/resource.h>
-
-#include <sys/rman.h>
-
-#if NPCI > 0
-#include <pci/pcireg.h>
-#include <pci/pcivar.h>
-#endif
-
-#include <cam/cam.h>
-#include <cam/cam_ccb.h>
-#include <cam/cam_debug.h>
-#include <cam/cam_sim.h>
-#include <cam/cam_xpt_sim.h>
-
-#include <cam/scsi/scsi_all.h>
-#include <cam/scsi/scsi_message.h>
-
-#ifdef CAM_NEW_TRAN_CODE
-#define AHC_NEW_TRAN_SETTINGS
-#endif /* CAM_NEW_TRAN_CODE */
-
-/****************************** Platform Macros *******************************/
-#define SIM_IS_SCSIBUS_B(ahc, sim) \
- ((sim) == ahc->platform_data->sim_b)
-#define SIM_CHANNEL(ahc, sim) \
- (((sim) == ahc->platform_data->sim_b) ? 'B' : 'A')
-#define SIM_SCSI_ID(ahc, sim) \
- (((sim) == ahc->platform_data->sim_b) ? ahc->our_id_b : ahc->our_id)
-#define SIM_PATH(ahc, sim) \
- (((sim) == ahc->platform_data->sim_b) ? ahc->platform_data->path_b \
- : ahc->platform_data->path)
-#define BUILD_SCSIID(ahc, sim, target_id, our_id) \
- ((((target_id) << TID_SHIFT) & TID) | (our_id) \
- | (SIM_IS_SCSIBUS_B(ahc, sim) ? TWIN_CHNLB : 0))
-
-#define SCB_GET_SIM(ahc, scb) \
- (SCB_GET_CHANNEL(ahc, scb) == 'A' ? (ahc)->platform_data->sim \
- : (ahc)->platform_data->sim_b)
-
-#ifndef offsetof
-#define offsetof(type, member) ((size_t)(&((type *)0)->member))
-#endif
-/************************* Forward Declarations *******************************/
-typedef device_t ahc_dev_softc_t;
-typedef union ccb *ahc_io_ctx_t;
-
-/***************************** Bus Space/DMA **********************************/
-#define ahc_dma_tag_create(ahc, parent_tag, alignment, boundary, \
- lowaddr, highaddr, filter, filterarg, \
- maxsize, nsegments, maxsegsz, flags, \
- dma_tagp) \
- bus_dma_tag_create(parent_tag, alignment, boundary, \
- lowaddr, highaddr, filter, filterarg, \
- maxsize, nsegments, maxsegsz, flags, \
- dma_tagp)
-
-#define ahc_dma_tag_destroy(ahc, tag) \
- bus_dma_tag_destroy(tag)
-
-#define ahc_dmamem_alloc(ahc, dmat, vaddr, flags, mapp) \
- bus_dmamem_alloc(dmat, vaddr, flags, mapp)
-
-#define ahc_dmamem_free(ahc, dmat, vaddr, map) \
- bus_dmamem_free(dmat, vaddr, map)
-
-#define ahc_dmamap_create(ahc, tag, flags, mapp) \
- bus_dmamap_create(tag, flags, mapp)
-
-#define ahc_dmamap_destroy(ahc, tag, map) \
- bus_dmamap_destroy(tag, map)
-
-#define ahc_dmamap_load(ahc, dmat, map, addr, buflen, callback, \
- callback_arg, flags) \
- bus_dmamap_load(dmat, map, addr, buflen, callback, callback_arg, flags)
-
-#define ahc_dmamap_unload(ahc, tag, map) \
- bus_dmamap_unload(tag, map)
-
-/* XXX Need to update Bus DMA for partial map syncs */
-#define ahc_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op) \
- bus_dmamap_sync(dma_tag, dmamap, op)
-
-/************************ Tunable Driver Parameters **************************/
-/*
- * The number of dma segments supported. The sequencer can handle any number
- * of physically contiguous S/G entrys. To reduce the driver's memory
- * consumption, we limit the number supported to be sufficient to handle
- * the largest mapping supported by the kernel, MAXPHYS. Assuming the
- * transfer is as fragmented as possible and unaligned, this turns out to
- * be the number of paged sized transfers in MAXPHYS plus an extra element
- * to handle any unaligned residual. The sequencer fetches SG elements
- * in cacheline sized chucks, so make the number per-transaction an even
- * multiple of 16 which should align us on even the largest of cacheline
- * boundaries.
- */
-#define AHC_NSEG (roundup(btoc(MAXPHYS) + 1, 16))
-
-/* This driver supports target mode */
-#define AHC_TARGET_MODE 1
-
-/************************** Softc/SCB Platform Data ***************************/
-struct ahc_platform_data {
- /*
- * Hooks into the XPT.
- */
- struct cam_sim *sim;
- struct cam_sim *sim_b;
- struct cam_path *path;
- struct cam_path *path_b;
-
- int regs_res_type;
- int regs_res_id;
- int irq_res_type;
- struct resource *regs;
- struct resource *irq;
- void *ih;
- eventhandler_tag eh;
-};
-
-struct scb_platform_data {
-};
-
-/********************************* Byte Order *********************************/
-/*
- * XXX Waiting for FreeBSD byte swapping functions.
- * For now assume host is Little Endian.
- */
-#define ahc_htobe16(x) x
-#define ahc_htobe32(x) x
-#define ahc_htobe64(x) x
-#define ahc_htole16(x) x
-#define ahc_htole32(x) x
-#define ahc_htole64(x) x
-
-#define ahc_be16toh(x) x
-#define ahc_be32toh(x) x
-#define ahc_be64toh(x) x
-#define ahc_le16toh(x) x
-#define ahc_le32toh(x) x
-#define ahc_le64toh(x) x
-
-/***************************** Core Includes **********************************/
-#include <dev/aic7xxx/aic7xxx.h>
-
-/*************************** Device Access ************************************/
-#define ahc_inb(ahc, port) \
- bus_space_read_1((ahc)->tag, (ahc)->bsh, port)
-
-#define ahc_outb(ahc, port, value) \
- bus_space_write_1((ahc)->tag, (ahc)->bsh, port, value)
-
-#define ahc_outsb(ahc, port, valp, count) \
- bus_space_write_multi_1((ahc)->tag, (ahc)->bsh, port, valp, count)
-
-#define ahc_insb(ahc, port, valp, count) \
- bus_space_read_multi_1((ahc)->tag, (ahc)->bsh, port, valp, count)
-
-static __inline void ahc_flush_device_writes(struct ahc_softc *);
-
-static __inline void
-ahc_flush_device_writes(struct ahc_softc *ahc)
-{
- /* XXX Is this sufficient for all architectures??? */
- ahc_inb(ahc, INTSTAT);
-}
-
-/**************************** Locking Primitives ******************************/
-/* Lock protecting internal data structures */
-static __inline void ahc_lockinit(struct ahc_softc *);
-static __inline void ahc_lock(struct ahc_softc *, unsigned long *flags);
-static __inline void ahc_unlock(struct ahc_softc *, unsigned long *flags);
-
-/* Lock held during command compeletion to the upper layer */
-static __inline void ahc_done_lockinit(struct ahc_softc *);
-static __inline void ahc_done_lock(struct ahc_softc *, unsigned long *flags);
-static __inline void ahc_done_unlock(struct ahc_softc *, unsigned long *flags);
-
-static __inline void
-ahc_lockinit(struct ahc_softc *ahc)
-{
-}
-
-static __inline void
-ahc_lock(struct ahc_softc *ahc, unsigned long *flags)
-{
- *flags = splcam();
-}
-
-static __inline void
-ahc_unlock(struct ahc_softc *ahc, unsigned long *flags)
-{
- splx(*flags);
-}
-
-/* Lock held during command compeletion to the upper layer */
-static __inline void
-ahc_done_lockinit(struct ahc_softc *ahc)
-{
-}
-
-static __inline void
-ahc_done_lock(struct ahc_softc *ahc, unsigned long *flags)
-{
-}
-
-static __inline void
-ahc_done_unlock(struct ahc_softc *ahc, unsigned long *flags)
-{
-}
-
-/****************************** OS Primitives *********************************/
-#define ahc_delay DELAY
-
-/************************** Transaction Operations ****************************/
-static __inline void ahc_set_transaction_status(struct scb *, uint32_t);
-static __inline void ahc_set_scsi_status(struct scb *, uint32_t);
-static __inline uint32_t ahc_get_transaction_status(struct scb *);
-static __inline uint32_t ahc_get_scsi_status(struct scb *);
-static __inline void ahc_set_transaction_tag(struct scb *, int, u_int);
-static __inline u_long ahc_get_transfer_length(struct scb *);
-static __inline int ahc_get_transfer_dir(struct scb *);
-static __inline void ahc_set_residual(struct scb *, u_long);
-static __inline void ahc_set_sense_residual(struct scb *, u_long);
-static __inline u_long ahc_get_residual(struct scb *);
-static __inline int ahc_perform_autosense(struct scb *);
-static __inline uint32_t ahc_get_sense_bufsize(struct ahc_softc*, struct scb*);
-static __inline void ahc_freeze_ccb(union ccb *ccb);
-static __inline void ahc_freeze_scb(struct scb *scb);
-static __inline void ahc_platform_freeze_devq(struct ahc_softc *, struct scb *);
-static __inline int ahc_platform_abort_scbs(struct ahc_softc *ahc, int target,
- char channel, int lun, u_int tag,
- role_t role, uint32_t status);
-
-static __inline
-void ahc_set_transaction_status(struct scb *scb, uint32_t status)
-{
- scb->io_ctx->ccb_h.status &= ~CAM_STATUS_MASK;
- scb->io_ctx->ccb_h.status |= status;
-}
-
-static __inline
-void ahc_set_scsi_status(struct scb *scb, uint32_t status)
-{
- scb->io_ctx->csio.scsi_status = status;
-}
-
-static __inline
-uint32_t ahc_get_transaction_status(struct scb *scb)
-{
- return (scb->io_ctx->ccb_h.status & CAM_STATUS_MASK);
-}
-
-static __inline
-uint32_t ahc_get_scsi_status(struct scb *scb)
-{
- return (scb->io_ctx->csio.scsi_status);
-}
-
-static __inline
-void ahc_set_transaction_tag(struct scb *scb, int enabled, u_int type)
-{
- scb->io_ctx->csio.tag_action = type;
- if (enabled)
- scb->io_ctx->ccb_h.flags |= CAM_TAG_ACTION_VALID;
- else
- scb->io_ctx->ccb_h.flags &= ~CAM_TAG_ACTION_VALID;
-}
-
-static __inline
-u_long ahc_get_transfer_length(struct scb *scb)
-{
- return (scb->io_ctx->csio.dxfer_len);
-}
-
-static __inline
-int ahc_get_transfer_dir(struct scb *scb)
-{
- return (scb->io_ctx->ccb_h.flags & CAM_DIR_MASK);
-}
-
-static __inline
-void ahc_set_residual(struct scb *scb, u_long resid)
-{
- scb->io_ctx->csio.resid = resid;
-}
-
-static __inline
-void ahc_set_sense_residual(struct scb *scb, u_long resid)
-{
- scb->io_ctx->csio.sense_resid = resid;
-}
-
-static __inline
-u_long ahc_get_residual(struct scb *scb)
-{
- return (scb->io_ctx->csio.resid);
-}
-
-static __inline
-int ahc_perform_autosense(struct scb *scb)
-{
- return (!(scb->io_ctx->ccb_h.flags & CAM_DIS_AUTOSENSE));
-}
-
-static __inline uint32_t
-ahc_get_sense_bufsize(struct ahc_softc *ahc, struct scb *scb)
-{
- return (sizeof(struct scsi_sense_data));
-}
-
-static __inline void
-ahc_freeze_ccb(union ccb *ccb)
-{
- if ((ccb->ccb_h.status & CAM_DEV_QFRZN) == 0) {
- ccb->ccb_h.status |= CAM_DEV_QFRZN;
- xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
- }
-}
-
-static __inline void
-ahc_freeze_scb(struct scb *scb)
-{
- ahc_freeze_ccb(scb->io_ctx);
-}
-
-static __inline void
-ahc_platform_freeze_devq(struct ahc_softc *ahc, struct scb *scb)
-{
- /* Nothing to do here for FreeBSD */
-}
-
-static __inline int
-ahc_platform_abort_scbs(struct ahc_softc *ahc, int target,
- char channel, int lun, u_int tag,
- role_t role, uint32_t status)
-{
- /* Nothing to do here for FreeBSD */
- return (0);
-}
-
-static __inline void
-ahc_platform_scb_free(struct ahc_softc *ahc, struct scb *scb)
-{
- /* What do we do to generically handle driver resource shortages??? */
- if ((ahc->flags & AHC_RESOURCE_SHORTAGE) != 0
- && scb->io_ctx != NULL
- && (scb->io_ctx->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
- scb->io_ctx->ccb_h.status |= CAM_RELEASE_SIMQ;
- ahc->flags &= ~AHC_RESOURCE_SHORTAGE;
- }
- scb->io_ctx = NULL;
-}
-
-/********************************** PCI ***************************************/
-#ifdef AHC_PCI_CONFIG
-static __inline uint32_t ahc_pci_read_config(ahc_dev_softc_t pci,
- int reg, int width);
-static __inline void ahc_pci_write_config(ahc_dev_softc_t pci,
- int reg, uint32_t value,
- int width);
-static __inline int ahc_get_pci_function(ahc_dev_softc_t);
-static __inline int ahc_get_pci_slot(ahc_dev_softc_t);
-static __inline int ahc_get_pci_bus(ahc_dev_softc_t);
-
-int ahc_pci_map_registers(struct ahc_softc *ahc);
-int ahc_pci_map_int(struct ahc_softc *ahc);
-
-static __inline uint32_t
-ahc_pci_read_config(ahc_dev_softc_t pci, int reg, int width)
-{
- return (pci_read_config(pci, reg, width));
-}
-
-static __inline void
-ahc_pci_write_config(ahc_dev_softc_t pci, int reg, uint32_t value, int width)
-{
- pci_write_config(pci, reg, value, width);
-}
-
-static __inline int
-ahc_get_pci_function(ahc_dev_softc_t pci)
-{
- return (pci_get_function(pci));
-}
-
-static __inline int
-ahc_get_pci_slot(ahc_dev_softc_t pci)
-{
- return (pci_get_slot(pci));
-}
-
-static __inline int
-ahc_get_pci_bus(ahc_dev_softc_t pci)
-{
- return (pci_get_bus(pci));
-}
-
-typedef enum
-{
- AHC_POWER_STATE_D0,
- AHC_POWER_STATE_D1,
- AHC_POWER_STATE_D2,
- AHC_POWER_STATE_D3
-} ahc_power_state;
-
-void ahc_power_state_change(struct ahc_softc *ahc,
- ahc_power_state new_state);
-#endif
-/******************************** VL/EISA *************************************/
-int aic7770_map_registers(struct ahc_softc *ahc);
-int aic7770_map_int(struct ahc_softc *ahc, int irq);
-
-/********************************* Debug **************************************/
-static __inline void ahc_print_path(struct ahc_softc *, struct scb *);
-static __inline void ahc_platform_dump_card_state(struct ahc_softc *ahc);
-
-static __inline void
-ahc_print_path(struct ahc_softc *ahc, struct scb *scb)
-{
- xpt_print_path(scb->io_ctx->ccb_h.path);
-}
-
-static __inline void
-ahc_platform_dump_card_state(struct ahc_softc *ahc)
-{
- /* Nothing to do here for FreeBSD */
-}
-/**************************** Transfer Settings *******************************/
-void ahc_notify_xfer_settings_change(struct ahc_softc *,
- struct ahc_devinfo *);
-void ahc_platform_set_tags(struct ahc_softc *, struct ahc_devinfo *,
- int /*enable*/);
-
-/************************* Initialization/Teardown ****************************/
-int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg);
-void ahc_platform_free(struct ahc_softc *ahc);
-int ahc_attach(struct ahc_softc *);
-int ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc);
-int ahc_detach(device_t);
-
-/****************************** Interrupts ************************************/
-void ahc_platform_intr(void *);
-static __inline void ahc_platform_flushwork(struct ahc_softc *ahc);
-static __inline void
-ahc_platform_flushwork(struct ahc_softc *ahc)
-{
-}
-
-/************************ Misc Function Declarations **************************/
-timeout_t ahc_timeout;
-void ahc_done(struct ahc_softc *ahc, struct scb *scb);
-void ahc_send_async(struct ahc_softc *, char /*channel*/,
- u_int /*target*/, u_int /*lun*/, ac_code, void *arg);
-#endif /* _AIC7XXX_FREEBSD_H_ */
diff --git a/sys/dev/aic7xxx/aic7xxx_inline.h b/sys/dev/aic7xxx/aic7xxx_inline.h
index c5db614..ca7d932 100644
--- a/sys/dev/aic7xxx/aic7xxx_inline.h
+++ b/sys/dev/aic7xxx/aic7xxx_inline.h
@@ -2,6 +2,7 @@
* Inline routines shareable across OS platforms.
*
* Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2001 Adaptec Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -10,25 +11,33 @@
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
- * $Id: //depot/src/aic7xxx/aic7xxx_inline.h#27 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_inline.h#33 $
*
* $FreeBSD$
*/
@@ -222,7 +231,8 @@ ahc_name(struct ahc_softc *ahc)
/*********************** Miscelaneous Support Functions ***********************/
-static __inline void ahc_update_residual(struct scb *scb);
+static __inline void ahc_update_residual(struct ahc_softc *ahc,
+ struct scb *scb);
static __inline struct ahc_initiator_tinfo *
ahc_fetch_transinfo(struct ahc_softc *ahc,
char channel, u_int our_id,
@@ -246,13 +256,13 @@ static __inline uint32_t
* for this SCB/transaction.
*/
static __inline void
-ahc_update_residual(struct scb *scb)
+ahc_update_residual(struct ahc_softc *ahc, struct scb *scb)
{
uint32_t sgptr;
sgptr = ahc_le32toh(scb->hscb->sgptr);
if ((sgptr & SG_RESID_VALID) != 0)
- ahc_calc_residual(scb);
+ ahc_calc_residual(ahc, scb);
}
/*
@@ -348,8 +358,8 @@ ahc_swap_with_next_hscb(struct ahc_softc *ahc, struct scb *scb)
memcpy(q_hscb, scb->hscb, sizeof(*scb->hscb));
if ((scb->flags & SCB_CDB32_PTR) != 0) {
q_hscb->shared_data.cdb_ptr =
- ahc_hscb_busaddr(ahc, q_hscb->tag)
- + offsetof(struct hardware_scb, cdb32);
+ ahc_htole32(ahc_hscb_busaddr(ahc, q_hscb->tag)
+ + offsetof(struct hardware_scb, cdb32));
}
q_hscb->tag = saved_tag;
q_hscb->next = scb->hscb->tag;
@@ -462,7 +472,8 @@ ahc_check_cmdcmpltqueues(struct ahc_softc *ahc)
if (ahc->qoutfifo[ahc->qoutfifonext] != SCB_LIST_NULL)
retval |= AHC_RUN_QOUTFIFO;
#ifdef AHC_TARGET_MODE
- if ((ahc->flags & AHC_TARGETROLE) != 0) {
+ if ((ahc->flags & AHC_TARGETROLE) != 0
+ && (ahc->flags & AHC_TQINFIFO_BLOCKED) == 0) {
ahc_dmamap_sync(ahc, ahc->shared_data_dmat,
ahc->shared_data_dmamap,
ahc_targetcmd_offset(ahc, ahc->tqinfifofnext),
@@ -482,7 +493,6 @@ static __inline void
ahc_intr(struct ahc_softc *ahc)
{
u_int intstat;
- u_int queuestat;
/*
* Instead of directly reading the interrupt status register,
@@ -491,15 +501,10 @@ ahc_intr(struct ahc_softc *ahc)
* most cases.
*/
if ((ahc->flags & (AHC_ALL_INTERRUPTS|AHC_EDGE_INTERRUPT)) == 0
- && (queuestat = ahc_check_cmdcmpltqueues(ahc)) != 0)
+ && (ahc_check_cmdcmpltqueues(ahc) != 0))
intstat = CMDCMPLT;
else {
intstat = ahc_inb(ahc, INTSTAT);
- queuestat = AHC_RUN_QOUTFIFO;
-#ifdef AHC_TARGET_MODE
- if ((ahc->flags & AHC_TARGETROLE) != 0)
- queuestat |= AHC_RUN_TQINFIFO;
-#endif
}
if (intstat & CMDCMPLT) {
@@ -514,12 +519,9 @@ ahc_intr(struct ahc_softc *ahc)
* and asserted the interrupt again.
*/
ahc_flush_device_writes(ahc);
+ ahc_run_qoutfifo(ahc);
#ifdef AHC_TARGET_MODE
- if ((queuestat & AHC_RUN_QOUTFIFO) != 0)
-#endif
- ahc_run_qoutfifo(ahc);
-#ifdef AHC_TARGET_MODE
- if ((queuestat & AHC_RUN_TQINFIFO) != 0)
+ if ((ahc->flags & AHC_TARGETROLE) != 0)
ahc_run_tqinfifo(ahc, /*paused*/FALSE);
#endif
}
diff --git a/sys/dev/aic7xxx/aic7xxx_osm.c b/sys/dev/aic7xxx/aic7xxx_osm.c
index 6582f8c..1c990c2 100644
--- a/sys/dev/aic7xxx/aic7xxx_osm.c
+++ b/sys/dev/aic7xxx/aic7xxx_osm.c
@@ -33,7 +33,7 @@
* $FreeBSD$
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/aic7xxx/aic7xxx_inline.h>
#ifndef AHC_TMODE_ENABLE
@@ -42,10 +42,6 @@
#define ccb_scb_ptr spriv_ptr0
-#ifdef AHC_DEBUG
-static int ahc_debug = AHC_DEBUG;
-#endif
-
#if UNUSED
static void ahc_dump_targcmd(struct target_cmd *cmd);
#endif
@@ -84,6 +80,22 @@ ahc_create_path(struct ahc_softc *ahc, char channel, u_int target,
path_id, target, lun));
}
+int
+ahc_map_int(struct ahc_softc *ahc)
+{
+ int error;
+
+ /* Hook up our interrupt handler */
+ error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq,
+ INTR_TYPE_CAM, ahc_platform_intr, ahc,
+ &ahc->platform_data->ih);
+
+ if (error != 0)
+ device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n",
+ error);
+ return (error);
+}
+
/*
* Attach all the sub-devices we can find
*/
@@ -101,7 +113,6 @@ ahc_attach(struct ahc_softc *ahc)
struct cam_path *path2;
long s;
int count;
- int error;
count = 0;
sim = NULL;
@@ -110,15 +121,6 @@ ahc_attach(struct ahc_softc *ahc)
ahc_controller_info(ahc, ahc_info);
printf("%s\n", ahc_info);
ahc_lock(ahc, &s);
- /* Hook up our interrupt handler */
- if ((error = bus_setup_intr(ahc->dev_softc, ahc->platform_data->irq,
- INTR_TYPE_CAM|INTR_ENTROPY, ahc_platform_intr, ahc,
- &ahc->platform_data->ih)) != 0) {
- device_printf(ahc->dev_softc, "bus_setup_intr() failed: %d\n",
- error);
- goto fail;
- }
-
/*
* Attach secondary channel first if the user has
* declared it the primary channel.
@@ -304,8 +306,10 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
if ((ccb->ccb_h.flags & CAM_SEND_STATUS) != 0) {
ahc->pending_device = NULL;
} else {
- xpt_print_path(ccb->ccb_h.path);
- printf("Still disconnected\n");
+ if (bootverbose) {
+ xpt_print_path(ccb->ccb_h.path);
+ printf("Still connected\n");
+ }
ahc_freeze_ccb(ccb);
}
}
@@ -370,7 +374,7 @@ ahc_done(struct ahc_softc *ahc, struct scb *scb)
memset(&ccb->csio.sense_data, 0, sizeof(ccb->csio.sense_data));
memcpy(&ccb->csio.sense_data,
ahc_get_sense_buf(ahc, scb),
- (scb->sg_list->len & AHC_SG_LEN_MASK)
+ (ahc_le32toh(scb->sg_list->len) & AHC_SG_LEN_MASK)
- ccb->csio.sense_resid);
scb->io_ctx->ccb_h.status |= CAM_AUTOSNS_VALID;
}
@@ -651,6 +655,9 @@ ahc_action(struct cam_sim *sim, union ccb *ccb)
else
maxsync = AHC_SYNCRATE_FAST;
+ if (spi->bus_width != MSG_EXT_WDTR_BUS_16_BIT)
+ spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
+
syncrate = ahc_find_syncrate(ahc, &spi->sync_period,
&spi->ppr_options,
maxsync);
@@ -757,7 +764,8 @@ ahc_action(struct cam_sim *sim, union ccb *ccb)
maxsync = AHC_SYNCRATE_FAST;
ppr_options = 0;
- if (cts->sync_period <= 9)
+ if (cts->sync_period <= 9
+ && cts->bus_width == MSG_EXT_WDTR_BUS_16_BIT)
ppr_options = MSG_EXT_PPR_DT_REQ;
syncrate = ahc_find_syncrate(ahc, &cts->sync_period,
@@ -980,7 +988,6 @@ ahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel,
struct ahc_initiator_tinfo *targ_info;
struct ahc_tmode_tstate *tstate;
struct ahc_transinfo *tinfo;
- long s;
ahc_compile_devinfo(&devinfo, our_id,
cts->ccb_h.target_id,
@@ -995,8 +1002,6 @@ ahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel,
else
tinfo = &targ_info->user;
- ahc_lock(ahc, &s);
-
cts->flags &= ~(CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB);
if ((cts->flags & CCB_TRANS_CURRENT_SETTINGS) == 0) {
if ((ahc->user_discenable & devinfo.target_mask) != 0)
@@ -1015,8 +1020,6 @@ ahc_get_tran_settings(struct ahc_softc *ahc, int our_id, char channel,
cts->sync_offset = tinfo->offset;
cts->bus_width = tinfo->width;
- ahc_unlock(ahc, &s);
-
cts->valid = CCB_TRANS_SYNC_RATE_VALID
| CCB_TRANS_SYNC_OFFSET_VALID
| CCB_TRANS_BUS_WIDTH_VALID;
@@ -1180,7 +1183,7 @@ ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
scb->hscb->dataptr = scb->sg_list->addr;
scb->hscb->datacnt = scb->sg_list->len;
} else {
- scb->hscb->sgptr = SG_LIST_NULL;
+ scb->hscb->sgptr = ahc_htole32(SG_LIST_NULL);
scb->hscb->dataptr = 0;
scb->hscb->datacnt = 0;
}
@@ -1195,8 +1198,7 @@ ahc_execute_scb(void *arg, bus_dma_segment_t *dm_segs, int nsegments,
*/
if (ahc_get_transaction_status(scb) != CAM_REQ_INPROG) {
if (nsegments != 0)
- bus_dmamap_unload(ahc->buffer_dmat,
- scb->dmamap);
+ bus_dmamap_unload(ahc->buffer_dmat, scb->dmamap);
ahc_free_scb(ahc, scb);
ahc_unlock(ahc, &s);
xpt_done(ccb);
@@ -1558,11 +1560,12 @@ bus_reset:
* Send back any queued up transactions
* and properly record the error condition.
*/
- ahc_freeze_devq(ahc, scb);
- ahc_set_transaction_status(scb,
- CAM_CMD_TIMEOUT);
- ahc_freeze_scb(scb);
- ahc_done(ahc, scb);
+ ahc_abort_scbs(ahc, SCB_GET_TARGET(ahc, scb),
+ SCB_GET_CHANNEL(ahc, scb),
+ SCB_GET_LUN(scb),
+ scb->hscb->tag,
+ ROLE_TARGET,
+ CAM_CMD_TIMEOUT);
/* Will clear us from the bus */
ahc_restart(ahc);
@@ -1582,7 +1585,7 @@ bus_reset:
} else {
int disconnected;
- /* XXX Shouldn't panic. Just punt instead */
+ /* XXX Shouldn't panic. Just punt instead? */
if ((scb->hscb->control & TARGET_SCB) != 0)
panic("Timed-out target SCB but bus idle");
diff --git a/sys/dev/aic7xxx/aic7xxx_osm.h b/sys/dev/aic7xxx/aic7xxx_osm.h
index b12a2d6..c3ce610 100644
--- a/sys/dev/aic7xxx/aic7xxx_osm.h
+++ b/sys/dev/aic7xxx/aic7xxx_osm.h
@@ -58,6 +58,7 @@
#endif
#include <machine/bus_pio.h>
#include <machine/bus.h>
+#include <machine/endian.h>
#include <machine/clock.h>
#include <machine/resource.h>
@@ -183,23 +184,19 @@ struct scb_platform_data {
};
/********************************* Byte Order *********************************/
-/*
- * XXX Waiting for FreeBSD byte swapping functions.
- * For now assume host is Little Endian.
- */
-#define ahc_htobe16(x) x
-#define ahc_htobe32(x) x
-#define ahc_htobe64(x) x
-#define ahc_htole16(x) x
-#define ahc_htole32(x) x
-#define ahc_htole64(x) x
-
-#define ahc_be16toh(x) x
-#define ahc_be32toh(x) x
-#define ahc_be64toh(x) x
-#define ahc_le16toh(x) x
-#define ahc_le32toh(x) x
-#define ahc_le64toh(x) x
+#define ahc_htobe16(x) htobe16(x)
+#define ahc_htobe32(x) htobe32(x)
+#define ahc_htobe64(x) htobe64(x)
+#define ahc_htole16(x) htole16(x)
+#define ahc_htole32(x) htole32(x)
+#define ahc_htole64(x) htole64(x)
+
+#define ahc_be16toh(x) be16toh(x)
+#define ahc_be32toh(x) be32toh(x)
+#define ahc_be64toh(x) be64toh(x)
+#define ahc_le16toh(x) le16toh(x)
+#define ahc_le32toh(x) le32toh(x)
+#define ahc_le64toh(x) le64toh(x)
/***************************** Core Includes **********************************/
#include <dev/aic7xxx/aic7xxx.h>
@@ -469,7 +466,7 @@ void ahc_power_state_change(struct ahc_softc *ahc,
ahc_power_state new_state);
#endif
/******************************** VL/EISA *************************************/
-int aic7770_map_registers(struct ahc_softc *ahc);
+int aic7770_map_registers(struct ahc_softc *ahc, u_int port);
int aic7770_map_int(struct ahc_softc *ahc, int irq);
/********************************* Debug **************************************/
@@ -496,6 +493,7 @@ void ahc_platform_set_tags(struct ahc_softc *, struct ahc_devinfo *,
/************************* Initialization/Teardown ****************************/
int ahc_platform_alloc(struct ahc_softc *ahc, void *platform_arg);
void ahc_platform_free(struct ahc_softc *ahc);
+int ahc_map_int(struct ahc_softc *ahc);
int ahc_attach(struct ahc_softc *);
int ahc_softc_comp(struct ahc_softc *lahc, struct ahc_softc *rahc);
int ahc_detach(device_t);
diff --git a/sys/dev/aic7xxx/aic7xxx_pci.c b/sys/dev/aic7xxx/aic7xxx_pci.c
index a4c0f46..42dcdcc 100644
--- a/sys/dev/aic7xxx/aic7xxx_pci.c
+++ b/sys/dev/aic7xxx/aic7xxx_pci.c
@@ -3,7 +3,8 @@
* 3940, 2940, aic7895, aic7890, aic7880,
* aic7870, aic7860 and aic7850 SCSI controllers
*
- * Copyright (c) 1995-2000 Justin T. Gibbs
+ * Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2001 Adaptec Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -11,33 +12,47 @@
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
- * without modification, immediately at the beginning of the file.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
- * GNU Public License ("GPL").
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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.
+ * 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 DAMAGES.
*
- * $Id: //depot/src/aic7xxx/aic7xxx_pci.c#28 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#37 $
*
* $FreeBSD$
*/
-#include <dev/aic7xxx/aic7xxx_freebsd.h>
+#ifdef __linux__
+#include "aic7xxx_osm.h"
+#include "aic7xxx_inline.h"
+#include "aic7xxx_93cx6.h"
+#else
+#include <dev/aic7xxx/aic7xxx_osm.h>
#include <dev/aic7xxx/aic7xxx_inline.h>
#include <dev/aic7xxx/aic7xxx_93cx6.h>
+#endif
#define AHC_PCI_IOADDR PCIR_MAPS /* I/O Address */
#define AHC_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */
@@ -137,7 +152,7 @@ ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
#define DEVID_9005_TYPE(id) ((id) & 0xF)
#define DEVID_9005_TYPE_HBA 0x0 /* Standard Card */
#define DEVID_9005_TYPE_AAA 0x3 /* RAID Card */
-#define DEVID_9005_TYPE_SISL 0x5 /* Low Cost Card */
+#define DEVID_9005_TYPE_SISL 0x5 /* Container ROMB */
#define DEVID_9005_TYPE_MB 0xF /* On Motherboard */
#define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
@@ -198,7 +213,7 @@ ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
: ((id) & 0x1000) >> 12)
/*
* Informational only. Should use chip register to be
- * ceratian, but may be use in identification strings.
+ * certain, but may be use in identification strings.
*/
#define SUBID_9005_CARD_SCSIWIDTH_MASK 0x2000
#define SUBID_9005_CARD_PCIWIDTH_MASK 0x4000
@@ -645,6 +660,8 @@ const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
#define CACHESIZE 0x0000003ful /* only 5 bits */
#define LATTIME 0x0000ff00ul
+static int ahc_9005_subdevinfo_valid(uint16_t vendor, uint16_t device,
+ uint16_t subvendor, uint16_t subdevice);
static int ahc_ext_scbram_present(struct ahc_softc *ahc);
static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
int pcheck, int fast, int large);
@@ -668,12 +685,43 @@ static void aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
static void aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
int *externalcable_present,
int *eeprom_present);
-static int acquire_seeprom(struct ahc_softc *ahc,
- struct seeprom_descriptor *sd);
-static void release_seeprom(struct seeprom_descriptor *sd);
static void write_brdctl(struct ahc_softc *ahc, uint8_t value);
static uint8_t read_brdctl(struct ahc_softc *ahc);
+static int
+ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
+ uint16_t subdevice, uint16_t subvendor)
+{
+ int result;
+
+ /* Default to invalid. */
+ result = 0;
+ if (vendor == 0x9005
+ && subvendor == 0x9005
+ && subdevice != device
+ && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
+
+ switch (SUBID_9005_TYPE(subdevice)) {
+ case SUBID_9005_TYPE_MB:
+ break;
+ case SUBID_9005_TYPE_CARD:
+ case SUBID_9005_TYPE_LCCARD:
+ /*
+ * Currently only trust Adaptec cards to
+ * get the sub device info correct.
+ */
+ if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
+ result = 1;
+ break;
+ case SUBID_9005_TYPE_RAID:
+ break;
+ default:
+ break;
+ }
+ }
+ return (result);
+}
+
struct ahc_pci_identity *
ahc_find_pci_device(ahc_dev_softc_t pci)
{
@@ -702,9 +750,7 @@ ahc_find_pci_device(ahc_dev_softc_t pci)
* ID as valid.
*/
if (ahc_get_pci_function(pci) > 0
- && subvendor == 0x9005
- && subdevice != device
- && SUBID_9005_TYPE_KNOWN(subdevice) != 0
+ && ahc_9005_subdevinfo_valid(vendor, device, subvendor, subdevice)
&& SUBID_9005_MFUNCENB(subdevice) == 0)
return (NULL);
@@ -739,11 +785,19 @@ ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry)
ahc->chip |= AHC_PCI;
ahc->description = entry->name;
+ ahc_power_state_change(ahc, AHC_POWER_STATE_D0);
+
error = ahc_pci_map_registers(ahc);
if (error != 0)
return (error);
- ahc_power_state_change(ahc, AHC_POWER_STATE_D0);
+ /*
+ * Before we continue probing the card, ensure that
+ * its interrupts are *disabled*. We don't want
+ * a misstep to hang the machine in an interrupt
+ * storm.
+ */
+ ahc_intr_enable(ahc, FALSE);
/*
* If we need to support high memory, enable dual
@@ -956,6 +1010,14 @@ ahc_ext_scbram_present(struct ahc_softc *ahc)
if ((ahc->features & AHC_ULTRA2) != 0)
ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
+ else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
+ /*
+ * External SCBRAM arbitration is flakey
+ * on these chips. Unfortunately this means
+ * we don't use the extra SCB ram space on the
+ * 3940AUW.
+ */
+ ramps = 0;
else if (chip >= AHC_AIC7870)
ramps = (devconfig & RAMPSM) != 0;
else
@@ -1158,7 +1220,7 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
sd.sd_DO = SEEDO;
sd.sd_DI = SEEDI;
- have_seeprom = acquire_seeprom(ahc, &sd);
+ have_seeprom = ahc_acquire_seeprom(ahc, &sd);
if (have_seeprom) {
if (bootverbose)
@@ -1169,11 +1231,12 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
start_addr = 32 * (ahc->channel - 'A');
- have_seeprom = read_seeprom(&sd, (uint16_t *)&sc,
- start_addr, sizeof(sc)/2);
+ have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)&sc,
+ start_addr,
+ sizeof(sc)/2);
if (have_seeprom)
- have_seeprom = verify_cksum(&sc);
+ have_seeprom = ahc_verify_cksum(&sc);
if (have_seeprom != 0 || sd.sd_chip == C56_66) {
if (bootverbose) {
@@ -1186,7 +1249,7 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
}
sd.sd_chip = C56_66;
}
- release_seeprom(&sd);
+ ahc_release_seeprom(&sd);
}
if (!have_seeprom) {
@@ -1214,8 +1277,14 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
val = ahc_inb(ahc, SRAM_BASE + j)
| ahc_inb(ahc, SRAM_BASE + j + 1) << 8;
}
- have_seeprom = verify_cksum(&sc);
+ have_seeprom = ahc_verify_cksum(&sc);
}
+ /*
+ * Clear any SCB parity errors in case this data and
+ * its associated parity was not initialized by the BIOS
+ */
+ ahc_outb(ahc, CLRINT, CLRPARERR);
+ ahc_outb(ahc, CLRINT, CLRBRKADRINT);
}
if (!have_seeprom) {
@@ -1364,9 +1433,9 @@ check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
}
if (have_autoterm) {
- acquire_seeprom(ahc, &sd);
+ ahc_acquire_seeprom(ahc, &sd);
configure_termination(ahc, &sd, adapter_control, sxfrctl1);
- release_seeprom(&sd);
+ ahc_release_seeprom(&sd);
}
}
@@ -1491,6 +1560,15 @@ configure_termination(struct ahc_softc *ahc,
"Only two connectors on the "
"adapter may be used at a "
"time!\n", ahc_name(ahc));
+
+ /*
+ * Pretend there are no cables in the hope
+ * that having all of the termination on
+ * gives us a more stable bus.
+ */
+ internal50_present = 0;
+ internal68_present = 0;
+ externalcable_present = 0;
}
if ((ahc->features & AHC_WIDE) != 0
@@ -1663,8 +1741,8 @@ aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
*eeprom_present = (ahc_inb(ahc, SPIOCAP) & EEPROM) ? 1 : 0;
}
-static int
-acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd)
+int
+ahc_acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd)
{
int wait;
@@ -1691,8 +1769,8 @@ acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd)
return(1);
}
-static void
-release_seeprom(struct seeprom_descriptor *sd)
+void
+ahc_release_seeprom(struct seeprom_descriptor *sd)
{
/* Release access to the memory port and the serial EEPROM. */
SEEPROM_OUTB(sd, 0);
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