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-rw-r--r--arch/ia64/hp/common/sba_iommu.c27
-rw-r--r--arch/ia64/hp/sim/boot/boot_head.S1
-rw-r--r--arch/ia64/hp/sim/boot/fw-emu.c5
-rw-r--r--arch/ia64/hp/sim/hpsim_console.c16
-rw-r--r--arch/ia64/hp/sim/hpsim_setup.c9
-rw-r--r--arch/ia64/hp/sim/simeth.c12
-rw-r--r--arch/ia64/hp/sim/simscsi.c71
-rw-r--r--arch/ia64/hp/sim/simserial.c4
8 files changed, 61 insertions, 84 deletions
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index c1dca226b479..e980e7aa2306 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -34,6 +34,7 @@
#include <linux/efi.h>
#include <linux/nodemask.h>
#include <linux/bitops.h> /* hweight64() */
+#include <linux/crash_dump.h>
#include <asm/delay.h> /* ia64_get_itc() */
#include <asm/io.h>
@@ -43,6 +44,8 @@
#include <asm/acpi-ext.h>
+extern int swiotlb_late_init_with_default_size (size_t size);
+
#define PFX "IOC: "
/*
@@ -2012,9 +2015,14 @@ acpi_sba_ioc_add(struct acpi_device *device)
return 0;
}
+static const struct acpi_device_id hp_ioc_iommu_device_ids[] = {
+ {"HWP0001", 0},
+ {"HWP0004", 0},
+ {"", 0},
+};
static struct acpi_driver acpi_sba_ioc_driver = {
.name = "IOC IOMMU Driver",
- .ids = "HWP0001,HWP0004",
+ .ids = hp_ioc_iommu_device_ids,
.ops = {
.add = acpi_sba_ioc_add,
},
@@ -2026,11 +2034,24 @@ sba_init(void)
if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb"))
return 0;
+#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP)
+ /* If we are booting a kdump kernel, the sba_iommu will
+ * cause devices that were not shutdown properly to MCA
+ * as soon as they are turned back on. Our only option for
+ * a successful kdump kernel boot is to use the swiotlb.
+ */
+ if (elfcorehdr_addr < ELFCORE_ADDR_MAX) {
+ if (swiotlb_late_init_with_default_size(64 * (1<<20)) != 0)
+ panic("Unable to initialize software I/O TLB:"
+ " Try machvec=dig boot option");
+ machvec_init("dig");
+ return 0;
+ }
+#endif
+
acpi_bus_register_driver(&acpi_sba_ioc_driver);
if (!ioc_list) {
#ifdef CONFIG_IA64_GENERIC
- extern int swiotlb_late_init_with_default_size (size_t size);
-
/*
* If we didn't find something sba_iommu can claim, we
* need to setup the swiotlb and switch to the dig machvec.
diff --git a/arch/ia64/hp/sim/boot/boot_head.S b/arch/ia64/hp/sim/boot/boot_head.S
index a9bd71ac78e2..8808565491fb 100644
--- a/arch/ia64/hp/sim/boot/boot_head.S
+++ b/arch/ia64/hp/sim/boot/boot_head.S
@@ -26,6 +26,7 @@ GLOBAL_ENTRY(_start)
movl sp = stack_mem+16384-16
bsw.1
br.call.sptk.many rp=start_bootloader
+0: nop 0 /* dummy nop to make unwinding work */
END(_start)
/*
diff --git a/arch/ia64/hp/sim/boot/fw-emu.c b/arch/ia64/hp/sim/boot/fw-emu.c
index 300acd913d9c..1189d035d316 100644
--- a/arch/ia64/hp/sim/boot/fw-emu.c
+++ b/arch/ia64/hp/sim/boot/fw-emu.c
@@ -329,11 +329,6 @@ sys_fw_init (const char *args, int arglen)
strcpy(sal_systab->product_id, "HP-simulator");
#endif
-#ifdef CONFIG_IA64_SDV
- strcpy(sal_systab->oem_id, "Intel");
- strcpy(sal_systab->product_id, "SDV");
-#endif
-
/* fill in an entry point: */
sal_ed->type = SAL_DESC_ENTRY_POINT;
sal_ed->pal_proc = __pa(pal_desc[0]);
diff --git a/arch/ia64/hp/sim/hpsim_console.c b/arch/ia64/hp/sim/hpsim_console.c
index 6e149c8ab835..01663bc42b1a 100644
--- a/arch/ia64/hp/sim/hpsim_console.c
+++ b/arch/ia64/hp/sim/hpsim_console.c
@@ -21,6 +21,7 @@
#include <asm/machvec.h>
#include <asm/pgtable.h>
#include <asm/sal.h>
+#include <asm/hpsim.h>
#include "hpsim_ssc.h"
@@ -28,7 +29,7 @@ static int simcons_init (struct console *, char *);
static void simcons_write (struct console *, const char *, unsigned);
static struct tty_driver *simcons_console_device (struct console *, int *);
-struct console hpsim_cons = {
+static struct console hpsim_cons = {
.name = "simcons",
.write = simcons_write,
.device = simcons_console_device,
@@ -58,7 +59,18 @@ simcons_write (struct console *cons, const char *buf, unsigned count)
static struct tty_driver *simcons_console_device (struct console *c, int *index)
{
- extern struct tty_driver *hp_simserial_driver;
*index = c->index;
return hp_simserial_driver;
}
+
+int simcons_register(void)
+{
+ if (!ia64_platform_is("hpsim"))
+ return 1;
+
+ if (hpsim_cons.flags & CON_ENABLED)
+ return 1;
+
+ register_console(&hpsim_cons);
+ return 0;
+}
diff --git a/arch/ia64/hp/sim/hpsim_setup.c b/arch/ia64/hp/sim/hpsim_setup.c
index f2297192a582..f629e903ebc7 100644
--- a/arch/ia64/hp/sim/hpsim_setup.c
+++ b/arch/ia64/hp/sim/hpsim_setup.c
@@ -21,6 +21,7 @@
#include <asm/machvec.h>
#include <asm/pgtable.h>
#include <asm/sal.h>
+#include <asm/hpsim.h>
#include "hpsim_ssc.h"
@@ -41,11 +42,5 @@ hpsim_setup (char **cmdline_p)
{
ROOT_DEV = Root_SDA1; /* default to first SCSI drive */
-#ifdef CONFIG_HP_SIMSERIAL_CONSOLE
- {
- extern struct console hpsim_cons;
- if (ia64_platform_is("hpsim"))
- register_console(&hpsim_cons);
- }
-#endif
+ simcons_register();
}
diff --git a/arch/ia64/hp/sim/simeth.c b/arch/ia64/hp/sim/simeth.c
index f26077a773d5..4017696ada63 100644
--- a/arch/ia64/hp/sim/simeth.c
+++ b/arch/ia64/hp/sim/simeth.c
@@ -22,6 +22,9 @@
#include <linux/bitops.h>
#include <asm/system.h>
#include <asm/irq.h>
+#include <asm/hpsim.h>
+
+#include "hpsim_ssc.h"
#define SIMETH_RECV_MAX 10
@@ -35,12 +38,6 @@
#define SIMETH_FRAME_SIZE ETH_FRAME_LEN
-#define SSC_NETDEV_PROBE 100
-#define SSC_NETDEV_SEND 101
-#define SSC_NETDEV_RECV 102
-#define SSC_NETDEV_ATTACH 103
-#define SSC_NETDEV_DETACH 104
-
#define NETWORK_INTR 8
struct simeth_local {
@@ -124,9 +121,6 @@ simeth_probe (void)
return r;
}
-extern long ia64_ssc (long, long, long, long, int);
-extern void ia64_ssc_connect_irq (long intr, long irq);
-
static inline int
netdev_probe(char *name, unsigned char *ether)
{
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index bb87682bbb1b..4552a1cf5b33 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -14,6 +14,7 @@
#include <linux/kernel.h>
#include <linux/timer.h>
#include <asm/irq.h>
+#include "hpsim_ssc.h"
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
@@ -59,8 +60,6 @@ struct disk_stat {
unsigned count;
};
-extern long ia64_ssc (long arg0, long arg1, long arg2, long arg3, int nr);
-
static int desc[16] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
@@ -101,7 +100,7 @@ simscsi_interrupt (unsigned long val)
{
struct scsi_cmnd *sc;
- while ((sc = queue[rd].sc) != 0) {
+ while ((sc = queue[rd].sc) != NULL) {
atomic_dec(&num_reqs);
queue[rd].sc = NULL;
if (DBG)
@@ -122,48 +121,22 @@ simscsi_biosparam (struct scsi_device *sdev, struct block_device *n,
}
static void
-simscsi_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset, unsigned long len)
-{
- struct disk_stat stat;
- struct disk_req req;
-
- req.addr = __pa(sc->request_buffer);
- req.len = len; /* # of bytes to transfer */
-
- if (sc->request_bufflen < req.len)
- return;
-
- stat.fd = desc[sc->device->id];
- if (DBG)
- printk("simscsi_%s @ %lx (off %lx)\n",
- mode == SSC_READ ? "read":"write", req.addr, offset);
- ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
- ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
-
- if (stat.count == req.len) {
- sc->result = GOOD;
- } else {
- sc->result = DID_ERROR << 16;
- }
-}
-
-static void
simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
{
- int list_len = sc->use_sg;
- struct scatterlist *sl = (struct scatterlist *)sc->request_buffer;
+ int i;
+ struct scatterlist *sl;
struct disk_stat stat;
struct disk_req req;
stat.fd = desc[sc->device->id];
- while (list_len) {
+ scsi_for_each_sg(sc, sl, scsi_sg_count(sc), i) {
req.addr = __pa(page_address(sl->page) + sl->offset);
req.len = sl->length;
if (DBG)
printk("simscsi_sg_%s @ %lx (off %lx) use_sg=%d len=%d\n",
mode == SSC_READ ? "read":"write", req.addr, offset,
- list_len, sl->length);
+ scsi_sg_count(sc) - i, sl->length);
ia64_ssc(stat.fd, 1, __pa(&req), offset, mode);
ia64_ssc(__pa(&stat), 0, 0, 0, SSC_WAIT_COMPLETION);
@@ -173,8 +146,6 @@ simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
return;
}
offset += sl->length;
- sl++;
- list_len--;
}
sc->result = GOOD;
}
@@ -190,10 +161,7 @@ simscsi_readwrite6 (struct scsi_cmnd *sc, int mode)
unsigned long offset;
offset = (((sc->cmnd[1] & 0x1f) << 16) | (sc->cmnd[2] << 8) | sc->cmnd[3])*512;
- if (sc->use_sg > 0)
- simscsi_sg_readwrite(sc, mode, offset);
- else
- simscsi_readwrite(sc, mode, offset, sc->cmnd[4]*512);
+ simscsi_sg_readwrite(sc, mode, offset);
}
static size_t
@@ -230,26 +198,21 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
| ((unsigned long)sc->cmnd[3] << 16)
| ((unsigned long)sc->cmnd[4] << 8)
| ((unsigned long)sc->cmnd[5] << 0))*512UL;
- if (sc->use_sg > 0)
- simscsi_sg_readwrite(sc, mode, offset);
- else
- simscsi_readwrite(sc, mode, offset, ((sc->cmnd[7] << 8) | sc->cmnd[8])*512);
+ simscsi_sg_readwrite(sc, mode, offset);
}
static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
{
- int scatterlen = sc->use_sg;
+ int i;
+ unsigned thislen;
struct scatterlist *slp;
- if (scatterlen == 0)
- memcpy(sc->request_buffer, buf, len);
- else for (slp = (struct scatterlist *)sc->request_buffer;
- scatterlen-- > 0 && len > 0; slp++) {
- unsigned thislen = min(len, slp->length);
-
+ scsi_for_each_sg(sc, slp, scsi_sg_count(sc), i) {
+ if (!len)
+ break;
+ thislen = min(len, slp->length);
memcpy(page_address(slp->page) + slp->offset, buf, thislen);
- slp++;
len -= thislen;
}
}
@@ -275,7 +238,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
if (target_id <= 15 && sc->device->lun == 0) {
switch (sc->cmnd[0]) {
case INQUIRY:
- if (sc->request_bufflen < 35) {
+ if (scsi_bufflen(sc) < 35) {
break;
}
sprintf (fname, "%s%c", simscsi_root, 'a' + target_id);
@@ -328,7 +291,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
break;
case READ_CAPACITY:
- if (desc[target_id] < 0 || sc->request_bufflen < 8) {
+ if (desc[target_id] < 0 || scsi_bufflen(sc) < 8) {
break;
}
buf = localbuf;
@@ -350,7 +313,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
case MODE_SENSE:
case MODE_SENSE_10:
/* sd.c uses this to determine whether disk does write-caching. */
- simscsi_fillresult(sc, (char *)empty_zero_page, sc->request_bufflen);
+ simscsi_fillresult(sc, (char *)empty_zero_page, scsi_bufflen(sc));
sc->result = GOOD;
break;
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 324ea7565e2c..ef252df50e1e 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -36,10 +36,6 @@
#include <asm/hw_irq.h>
#include <asm/uaccess.h>
-#ifdef CONFIG_KDB
-# include <linux/kdb.h>
-#endif
-
#undef SIMSERIAL_DEBUG /* define this to get some debug information */
#define KEYBOARD_INTR 3 /* must match with simulator! */
generated by cgit v1.2.3 (git 2.0.4) at 2024-07-28 19:41:50 +0000