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-rw-r--r--arch/ia64/sn/kernel/Makefile2
-rw-r--r--arch/ia64/sn/kernel/bte.c8
-rw-r--r--arch/ia64/sn/kernel/huberror.c2
-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c125
-rw-r--r--arch/ia64/sn/kernel/io_common.c42
-rw-r--r--arch/ia64/sn/kernel/io_init.c136
-rw-r--r--arch/ia64/sn/kernel/iomv.c2
-rw-r--r--arch/ia64/sn/kernel/irq.c132
-rw-r--r--arch/ia64/sn/kernel/msi_sn.c42
-rw-r--r--arch/ia64/sn/kernel/setup.c26
-rw-r--r--arch/ia64/sn/kernel/sn2/Makefile2
-rw-r--r--arch/ia64/sn/kernel/sn2/prominfo_proc.c152
-rw-r--r--arch/ia64/sn/kernel/sn2/sn2_smp.c21
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c73
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_proc_fs.c44
-rw-r--r--arch/ia64/sn/kernel/sn2/timer.c11
-rw-r--r--arch/ia64/sn/kernel/tiocx.c18
17 files changed, 325 insertions, 513 deletions
diff --git a/arch/ia64/sn/kernel/Makefile b/arch/ia64/sn/kernel/Makefile
index 0591038735a..d27df1d45da 100644
--- a/arch/ia64/sn/kernel/Makefile
+++ b/arch/ia64/sn/kernel/Makefile
@@ -7,7 +7,7 @@
# Copyright (C) 1999,2001-2006,2008 Silicon Graphics, Inc. All Rights Reserved.
#
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
obj-y += setup.o bte.o bte_error.o irq.o mca.o idle.o \
huberror.o io_acpi_init.o io_common.o \
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index 9456d403402..cad775a1a15 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -19,6 +19,7 @@
#include <linux/bootmem.h>
#include <linux/string.h>
#include <linux/sched.h>
+#include <linux/slab.h>
#include <asm/sn/bte.h>
@@ -97,9 +98,10 @@ bte_result_t bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
return BTE_SUCCESS;
}
- BUG_ON((len & L1_CACHE_MASK) ||
- (src & L1_CACHE_MASK) || (dest & L1_CACHE_MASK));
- BUG_ON(!(len < ((BTE_LEN_MASK + 1) << L1_CACHE_SHIFT)));
+ BUG_ON(len & L1_CACHE_MASK);
+ BUG_ON(src & L1_CACHE_MASK);
+ BUG_ON(dest & L1_CACHE_MASK);
+ BUG_ON(len > BTE_MAX_XFER);
/*
* Start with interface corresponding to cpu number
diff --git a/arch/ia64/sn/kernel/huberror.c b/arch/ia64/sn/kernel/huberror.c
index 08b0d9bb62e..f925dec2da9 100644
--- a/arch/ia64/sn/kernel/huberror.c
+++ b/arch/ia64/sn/kernel/huberror.c
@@ -192,6 +192,7 @@ void hub_error_init(struct hubdev_info *hubdev_info)
hubdev_info);
return;
}
+ irq_set_handler(SGI_II_ERROR, handle_level_irq);
sn_set_err_irq_affinity(SGI_II_ERROR);
}
@@ -213,6 +214,7 @@ void ice_error_init(struct hubdev_info *hubdev_info)
hubdev_info);
return;
}
+ irq_set_handler(SGI_TIO_ERROR, handle_level_irq);
sn_set_err_irq_affinity(SGI_TIO_ERROR);
}
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 6568942a95f..0640739cc20 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -13,7 +13,8 @@
#include <asm/sn/sn_sal.h>
#include "xtalk/hubdev.h"
#include <linux/acpi.h>
-#include <acpi/acnamesp.h>
+#include <linux/slab.h>
+#include <linux/export.h>
/*
@@ -41,7 +42,7 @@ struct sn_pcidev_match {
/*
* Perform the early IO init in PROM.
*/
-static s64
+static long
sal_ioif_init(u64 *result)
{
struct ia64_sal_retval isrv = {0,0,0,0};
@@ -64,6 +65,7 @@ static acpi_status __init
sn_acpi_hubdev_init(acpi_handle handle, u32 depth, void *context, void **ret)
{
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
u64 addr;
struct hubdev_info *hubdev;
struct hubdev_info *hubdev_ptr;
@@ -77,11 +79,12 @@ sn_acpi_hubdev_init(acpi_handle handle, u32 depth, void *context, void **ret)
status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
&sn_uuid, &buffer);
if (ACPI_FAILURE(status)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR
"sn_acpi_hubdev_init: acpi_get_vendor_resource() "
- "(0x%x) failed for: ", status);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "(0x%x) failed for: %s\n", status,
+ (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return AE_OK; /* Continue walking namespace */
}
@@ -89,11 +92,12 @@ sn_acpi_hubdev_init(acpi_handle handle, u32 depth, void *context, void **ret)
vendor = &resource->data.vendor_typed;
if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
sizeof(struct hubdev_info *)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR
- "sn_acpi_hubdev_init: Invalid vendor data length: %d for: ",
- vendor->byte_length);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "sn_acpi_hubdev_init: Invalid vendor data length: "
+ "%d for: %s\n",
+ vendor->byte_length, (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
goto exit;
}
@@ -120,6 +124,7 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
{
u64 addr;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_handle handle;
struct pcibus_bussoft *prom_bussoft_ptr;
struct acpi_resource *resource;
@@ -127,15 +132,15 @@ sn_get_bussoft_ptr(struct pci_bus *bus)
struct acpi_resource_vendor_typed *vendor;
- handle = PCI_CONTROLLER(bus)->acpi_handle;
+ handle = acpi_device_handle(PCI_CONTROLLER(bus)->companion);
status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
&sn_uuid, &buffer);
if (ACPI_FAILURE(status)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR "%s: "
- "acpi_get_vendor_resource() failed (0x%x) for: ",
- __func__, status);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "acpi_get_vendor_resource() failed (0x%x) for: %s\n",
+ __func__, status, (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return NULL;
}
resource = buffer.pointer;
@@ -168,6 +173,7 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
{
u64 addr;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
struct sn_irq_info *irq_info, *irq_info_prom;
struct pcidev_info *pcidev_ptr, *pcidev_prom_ptr;
struct acpi_resource *resource;
@@ -182,11 +188,11 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
status = acpi_get_vendor_resource(handle, METHOD_NAME__CRS,
&sn_uuid, &buffer);
if (ACPI_FAILURE(status)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR
- "%s: acpi_get_vendor_resource() failed (0x%x) for: ",
- __func__, status);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "%s: acpi_get_vendor_resource() failed (0x%x) for: %s\n",
+ __func__, status, (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return 1;
}
@@ -194,11 +200,12 @@ sn_extract_device_info(acpi_handle handle, struct pcidev_info **pcidev_info,
vendor = &resource->data.vendor_typed;
if ((vendor->byte_length - sizeof(struct acpi_vendor_uuid)) !=
sizeof(struct pci_devdev_info *)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR
- "%s: Invalid vendor data length: %d for: ",
- __func__, vendor->byte_length);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "%s: Invalid vendor data length: %d for: %s\n",
+ __func__, vendor->byte_length,
+ (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
ret = 1;
goto exit;
}
@@ -232,13 +239,16 @@ exit:
static unsigned int
get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
{
- unsigned long adr;
+ unsigned long long adr;
acpi_handle child;
unsigned int devfn;
int function;
acpi_handle parent;
int slot;
acpi_status status;
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+ acpi_get_name(device_handle, ACPI_FULL_PATHNAME, &name_buffer);
/*
* Do an upward search to find the root bus device, and
@@ -249,9 +259,8 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
status = acpi_get_parent(child, &parent);
if (ACPI_FAILURE(status)) {
printk(KERN_ERR "%s: acpi_get_parent() failed "
- "(0x%x) for: ", __func__, status);
- acpi_ns_print_node_pathname(child, NULL);
- printk("\n");
+ "(0x%x) for: %s\n", __func__, status,
+ (char *)name_buffer.pointer);
panic("%s: Unable to find host devfn\n", __func__);
}
if (parent == rootbus_handle)
@@ -259,22 +268,20 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
child = parent;
}
if (!child) {
- printk(KERN_ERR "%s: Unable to find root bus for: ",
- __func__);
- acpi_ns_print_node_pathname(device_handle, NULL);
- printk("\n");
+ printk(KERN_ERR "%s: Unable to find root bus for: %s\n",
+ __func__, (char *)name_buffer.pointer);
BUG();
}
status = acpi_evaluate_integer(child, METHOD_NAME__ADR, NULL, &adr);
if (ACPI_FAILURE(status)) {
- printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: ",
- __func__, status);
- acpi_ns_print_node_pathname(child, NULL);
- printk("\n");
+ printk(KERN_ERR "%s: Unable to get _ADR (0x%x) for: %s\n",
+ __func__, status, (char *)name_buffer.pointer);
panic("%s: Unable to find host devfn\n", __func__);
}
+ kfree(name_buffer.pointer);
+
slot = (adr >> 16) & 0xffff;
function = adr & 0xffff;
devfn = PCI_DEVFN(slot, function);
@@ -292,35 +299,36 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
static acpi_status
find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv)
{
- unsigned long bbn = -1;
- unsigned long adr;
+ unsigned long long bbn = -1;
+ unsigned long long adr;
acpi_handle parent = NULL;
acpi_status status;
unsigned int devfn;
int function;
int slot;
struct sn_pcidev_match *info = context;
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
status = acpi_evaluate_integer(handle, METHOD_NAME__ADR, NULL,
&adr);
if (ACPI_SUCCESS(status)) {
status = acpi_get_parent(handle, &parent);
if (ACPI_FAILURE(status)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR
- "%s: acpi_get_parent() failed (0x%x) for: ",
- __func__, status);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "%s: acpi_get_parent() failed (0x%x) for: %s\n",
+ __func__, status, (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return AE_OK;
}
status = acpi_evaluate_integer(parent, METHOD_NAME__BBN,
NULL, &bbn);
if (ACPI_FAILURE(status)) {
+ acpi_get_name(handle, ACPI_FULL_PATHNAME, &name_buffer);
printk(KERN_ERR
- "%s: Failed to find _BBN in parent of: ",
- __func__);
- acpi_ns_print_node_pathname(handle, NULL);
- printk("\n");
+ "%s: Failed to find _BBN in parent of: %s\n",
+ __func__, (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return AE_OK;
}
@@ -348,26 +356,29 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
unsigned int host_devfn;
struct sn_pcidev_match pcidev_match;
acpi_handle rootbus_handle;
- unsigned long segment;
+ unsigned long long segment;
acpi_status status;
+ struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL };
- rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle;
+ rootbus_handle = acpi_device_handle(PCI_CONTROLLER(dev)->companion);
status = acpi_evaluate_integer(rootbus_handle, METHOD_NAME__SEG, NULL,
&segment);
if (ACPI_SUCCESS(status)) {
if (segment != pci_domain_nr(dev)) {
+ acpi_get_name(rootbus_handle, ACPI_FULL_PATHNAME,
+ &name_buffer);
printk(KERN_ERR
- "%s: Segment number mismatch, 0x%lx vs 0x%x for: ",
- __func__, segment, pci_domain_nr(dev));
- acpi_ns_print_node_pathname(rootbus_handle, NULL);
- printk("\n");
+ "%s: Segment number mismatch, 0x%llx vs 0x%x for: %s\n",
+ __func__, segment, pci_domain_nr(dev),
+ (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return 1;
}
} else {
- printk(KERN_ERR "%s: Unable to get __SEG from: ",
- __func__);
- acpi_ns_print_node_pathname(rootbus_handle, NULL);
- printk("\n");
+ acpi_get_name(rootbus_handle, ACPI_FULL_PATHNAME, &name_buffer);
+ printk(KERN_ERR "%s: Unable to get __SEG from: %s\n",
+ __func__, (char *)name_buffer.pointer);
+ kfree(name_buffer.pointer);
return 1;
}
@@ -381,7 +392,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
pcidev_match.handle = NULL;
acpi_walk_namespace(ACPI_TYPE_DEVICE, rootbus_handle, ACPI_UINT32_MAX,
- find_matching_device, &pcidev_match, NULL);
+ find_matching_device, NULL, &pcidev_match, NULL);
if (!pcidev_match.handle) {
printk(KERN_ERR
@@ -434,7 +445,7 @@ sn_acpi_slot_fixup(struct pci_dev *dev)
size = pci_resource_len(dev, PCI_ROM_RESOURCE);
addr = ioremap(pcidev_info->pdi_pio_mapped_addr[PCI_ROM_RESOURCE],
size);
- image_size = pci_get_rom_size(addr, size);
+ image_size = pci_get_rom_size(dev, addr, size);
dev->resource[PCI_ROM_RESOURCE].start = (unsigned long) addr;
dev->resource[PCI_ROM_RESOURCE].end =
(unsigned long) addr + image_size - 1;
@@ -483,7 +494,7 @@ void __init
sn_io_acpi_init(void)
{
u64 result;
- s64 status;
+ long status;
/* SN Altix does not follow the IOSAPIC IRQ routing model */
acpi_irq_model = ACPI_IRQ_MODEL_PLATFORM;
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 8a924a5661d..11f2275570f 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -7,6 +7,8 @@
*/
#include <linux/bootmem.h>
+#include <linux/export.h>
+#include <linux/slab.h>
#include <asm/sn/types.h>
#include <asm/sn/addrs.h>
#include <asm/sn/sn_feature_sets.h>
@@ -26,7 +28,6 @@
#include <linux/acpi.h>
#include <asm/sn/sn2/sn_hwperf.h>
#include <asm/sn/acpi.h>
-#include "acpi/acglobal.h"
extern void sn_init_cpei_timer(void);
extern void register_sn_procfs(void);
@@ -120,7 +121,6 @@ sn_pcidev_info_get(struct pci_dev *dev)
* Additionally note that the struct sn_flush_device_war also has to be
* removed from arch/ia64/sn/include/xtalk/hubdev.h
*/
-static u8 war_implemented = 0;
static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
struct sn_flush_device_common *common)
@@ -129,15 +129,11 @@ static s64 sn_device_fixup_war(u64 nasid, u64 widget, int device,
struct sn_flush_device_war *dev_entry;
struct ia64_sal_retval isrv = {0,0,0,0};
- if (!war_implemented) {
- printk(KERN_WARNING "PROM version < 4.50 -- implementing old "
- "PROM flush WAR\n");
- war_implemented = 1;
- }
+ printk_once(KERN_WARNING
+ "PROM version < 4.50 -- implementing old PROM flush WAR\n");
war_list = kzalloc(DEV_PER_WIDGET * sizeof(*war_list), GFP_KERNEL);
- if (!war_list)
- BUG();
+ BUG_ON(!war_list);
SAL_CALL_NOLOCK(isrv, SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST,
nasid, widget, __pa(war_list), 0, 0, 0 ,0);
@@ -181,23 +177,20 @@ sn_common_hubdev_init(struct hubdev_info *hubdev)
sizeof(struct sn_flush_device_kernel *);
hubdev->hdi_flush_nasid_list.widget_p =
kzalloc(size, GFP_KERNEL);
- if (!hubdev->hdi_flush_nasid_list.widget_p)
- BUG();
+ BUG_ON(!hubdev->hdi_flush_nasid_list.widget_p);
for (widget = 0; widget <= HUB_WIDGET_ID_MAX; widget++) {
size = DEV_PER_WIDGET *
sizeof(struct sn_flush_device_kernel);
sn_flush_device_kernel = kzalloc(size, GFP_KERNEL);
- if (!sn_flush_device_kernel)
- BUG();
+ BUG_ON(!sn_flush_device_kernel);
dev_entry = sn_flush_device_kernel;
for (device = 0; device < DEV_PER_WIDGET;
device++, dev_entry++) {
size = sizeof(struct sn_flush_device_common);
dev_entry->common = kzalloc(size, GFP_KERNEL);
- if (!dev_entry->common)
- BUG();
+ BUG_ON(!dev_entry->common);
if (sn_prom_feature_available(PRF_DEVICE_FLUSH_LIST))
status = sal_get_device_dmaflush_list(
hubdev->hdi_nasid, widget, device,
@@ -236,7 +229,6 @@ void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *pcidev_info,
{
int segment = pci_domain_nr(dev->bus);
struct pcibus_bussoft *bs;
- struct pci_bus *host_pci_bus;
struct pci_dev *host_pci_dev;
unsigned int bus_no, devfn;
@@ -252,8 +244,7 @@ void sn_pci_fixup_slot(struct pci_dev *dev, struct pcidev_info *pcidev_info,
bus_no = (pcidev_info->pdi_slot_host_handle >> 32) & 0xff;
devfn = pcidev_info->pdi_slot_host_handle & 0xffffffff;
- host_pci_bus = pci_find_bus(segment, bus_no);
- host_pci_dev = pci_get_slot(host_pci_bus, devfn);
+ host_pci_dev = pci_get_domain_bus_and_slot(segment, bus_no, devfn);
pcidev_info->host_pci_dev = host_pci_dev;
pcidev_info->pdi_linux_pcidev = dev;
@@ -327,8 +318,7 @@ sn_common_bus_fixup(struct pci_bus *bus,
*/
controller->platform_data = kzalloc(sizeof(struct sn_platform_data),
GFP_KERNEL);
- if (controller->platform_data == NULL)
- BUG();
+ BUG_ON(controller->platform_data == NULL);
sn_platform_data =
(struct sn_platform_data *) controller->platform_data;
sn_platform_data->provider_soft = provider_soft;
@@ -348,7 +338,7 @@ sn_common_bus_fixup(struct pci_bus *bus,
struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus);
printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%u "
- "L_IO=%lx L_MEM=%lx BASE=%lx\n",
+ "L_IO=%llx L_MEM=%llx BASE=%llx\n",
b->bs_asic_type, b->bs_xid, b->bs_persist_busnum,
b->bs_legacy_io, b->bs_legacy_mem, b->bs_base);
printk(KERN_WARNING "on node %d but only %d nodes online."
@@ -441,11 +431,11 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address)
bricktype = MODULE_GET_BTYPE(moduleid);
if ((bricktype == L1_BRICKTYPE_191010) ||
(bricktype == L1_BRICKTYPE_1932))
- sprintf(address, "%s^%d", address, geo_slot(geoid));
+ sprintf(address + strlen(address), "^%d",
+ geo_slot(geoid));
}
-void __devinit
-sn_pci_fixup_bus(struct pci_bus *bus)
+void sn_pci_fixup_bus(struct pci_bus *bus)
{
if (SN_ACPI_BASE_SUPPORT())
@@ -473,7 +463,7 @@ sn_io_early_init(void)
{
struct acpi_table_header *header = NULL;
- acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
+ acpi_get_table(ACPI_SIG_DSDT, 1, &header);
BUG_ON(header == NULL);
sn_acpi_rev = header->oem_revision;
}
@@ -505,7 +495,7 @@ sn_io_early_init(void)
{
struct acpi_table_header *header;
- (void)acpi_get_table_by_index(ACPI_TABLE_INDEX_DSDT, &header);
+ (void)acpi_get_table(ACPI_SIG_DSDT, 1, &header);
printk(KERN_INFO "ACPI DSDT OEM Rev 0x%x\n",
header->oem_revision);
}
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index c3aa851d1ca..0b5ce82d203 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -6,6 +6,8 @@
* Copyright (C) 1992 - 1997, 2000-2006 Silicon Graphics, Inc. All rights reserved.
*/
+#include <linux/slab.h>
+#include <linux/export.h>
#include <asm/sn/types.h>
#include <asm/sn/addrs.h>
#include <asm/sn/io.h>
@@ -116,78 +118,26 @@ static void __init sn_fixup_ionodes(void)
}
/*
- * sn_pci_legacy_window_fixup - Create PCI controller windows for
+ * sn_pci_legacy_window_fixup - Setup PCI resources for
* legacy IO and MEM space. This needs to
* be done here, as the PROM does not have
* ACPI support defining the root buses
* and their resources (_CRS),
*/
static void
-sn_legacy_pci_window_fixup(struct pci_controller *controller,
- u64 legacy_io, u64 legacy_mem)
+sn_legacy_pci_window_fixup(struct resource *res,
+ u64 legacy_io, u64 legacy_mem)
{
- controller->window = kcalloc(2, sizeof(struct pci_window),
- GFP_KERNEL);
- if (controller->window == NULL)
- BUG();
- controller->window[0].offset = legacy_io;
- controller->window[0].resource.name = "legacy_io";
- controller->window[0].resource.flags = IORESOURCE_IO;
- controller->window[0].resource.start = legacy_io;
- controller->window[0].resource.end =
- controller->window[0].resource.start + 0xffff;
- controller->window[0].resource.parent = &ioport_resource;
- controller->window[1].offset = legacy_mem;
- controller->window[1].resource.name = "legacy_mem";
- controller->window[1].resource.flags = IORESOURCE_MEM;
- controller->window[1].resource.start = legacy_mem;
- controller->window[1].resource.end =
- controller->window[1].resource.start + (1024 * 1024) - 1;
- controller->window[1].resource.parent = &iomem_resource;
- controller->windows = 2;
-}
-
-/*
- * sn_pci_window_fixup() - Create a pci_window for each device resource.
- * It will setup pci_windows for use by
- * pcibios_bus_to_resource(), pcibios_resource_to_bus(),
- * etc.
- */
-static void
-sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
- s64 * pci_addrs)
-{
- struct pci_controller *controller = PCI_CONTROLLER(dev->bus);
- unsigned int i;
- unsigned int idx;
- unsigned int new_count;
- struct pci_window *new_window;
-
- if (count == 0)
- return;
- idx = controller->windows;
- new_count = controller->windows + count;
- new_window = kcalloc(new_count, sizeof(struct pci_window), GFP_KERNEL);
- if (new_window == NULL)
- BUG();
- if (controller->window) {
- memcpy(new_window, controller->window,
- sizeof(struct pci_window) * controller->windows);
- kfree(controller->window);
- }
-
- /* Setup a pci_window for each device resource. */
- for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
- if (pci_addrs[i] == -1)
- continue;
-
- new_window[idx].offset = dev->resource[i].start - pci_addrs[i];
- new_window[idx].resource = dev->resource[i];
- idx++;
- }
-
- controller->windows = new_count;
- controller->window = new_window;
+ res[0].name = "legacy_io";
+ res[0].flags = IORESOURCE_IO;
+ res[0].start = legacy_io;
+ res[0].end = res[0].start + 0xffff;
+ res[0].parent = &ioport_resource;
+ res[1].name = "legacy_mem";
+ res[1].flags = IORESOURCE_MEM;
+ res[1].start = legacy_mem;
+ res[1].end = res[1].start + (1024 * 1024) - 1;
+ res[1].parent = &iomem_resource;
}
/*
@@ -199,9 +149,7 @@ sn_pci_window_fixup(struct pci_dev *dev, unsigned int count,
void
sn_io_slot_fixup(struct pci_dev *dev)
{
- unsigned int count = 0;
int idx;
- s64 pci_addrs[PCI_ROM_RESOURCE + 1];
unsigned long addr, end, size, start;
struct pcidev_info *pcidev_info;
struct sn_irq_info *sn_irq_info;
@@ -222,15 +170,13 @@ sn_io_slot_fixup(struct pci_dev *dev)
(u64) __pa(pcidev_info),
(u64) __pa(sn_irq_info));
- if (status)
- BUG(); /* Cannot get platform pci device information */
+ BUG_ON(status); /* Cannot get platform pci device information */
/* Copy over PIO Mapped Addresses */
for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
if (!pcidev_info->pdi_pio_mapped_addr[idx]) {
- pci_addrs[idx] = -1;
continue;
}
@@ -238,11 +184,8 @@ sn_io_slot_fixup(struct pci_dev *dev)
end = dev->resource[idx].end;
size = end - start;
if (size == 0) {
- pci_addrs[idx] = -1;
continue;
}
- pci_addrs[idx] = start;
- count++;
addr = pcidev_info->pdi_pio_mapped_addr[idx];
addr = ((addr << 4) >> 4) | __IA64_UNCACHED_OFFSET;
dev->resource[idx].start = addr;
@@ -269,7 +212,7 @@ sn_io_slot_fixup(struct pci_dev *dev)
rom = ioremap(pci_resource_start(dev, PCI_ROM_RESOURCE),
size + 1);
- image_size = pci_get_rom_size(rom, size + 1);
+ image_size = pci_get_rom_size(dev, rom, size + 1);
dev->resource[PCI_ROM_RESOURCE].end =
dev->resource[PCI_ROM_RESOURCE].start +
image_size - 1;
@@ -277,11 +220,6 @@ sn_io_slot_fixup(struct pci_dev *dev)
IORESOURCE_ROM_BIOS_COPY;
}
}
- /* Create a pci_window in the pci_controller struct for
- * each device resource.
- */
- if (count > 0)
- sn_pci_window_fixup(dev, count, pci_addrs);
sn_pci_fixup_slot(dev, pcidev_info, sn_irq_info);
}
@@ -292,13 +230,14 @@ EXPORT_SYMBOL(sn_io_slot_fixup);
* sn_pci_controller_fixup() - This routine sets up a bus's resources
* consistent with the Linux PCI abstraction layer.
*/
-static void
+static void __init
sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
{
s64 status = 0;
struct pci_controller *controller;
struct pcibus_bussoft *prom_bussoft_ptr;
-
+ struct resource *res;
+ LIST_HEAD(resources);
status = sal_get_pcibus_info((u64) segment, (u64) busnum,
(u64) ia64_tpa(&prom_bussoft_ptr));
@@ -307,28 +246,32 @@ sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
prom_bussoft_ptr = __va(prom_bussoft_ptr);
controller = kzalloc(sizeof(*controller), GFP_KERNEL);
- if (!controller)
- BUG();
+ BUG_ON(!controller);
controller->segment = segment;
+ res = kcalloc(2, sizeof(struct resource), GFP_KERNEL);
+ BUG_ON(!res);
+
/*
* Temporarily save the prom_bussoft_ptr for use by sn_bus_fixup().
* (platform_data will be overwritten later in sn_common_bus_fixup())
*/
controller->platform_data = prom_bussoft_ptr;
- bus = pci_scan_bus(busnum, &pci_root_ops, controller);
- if (bus == NULL)
- goto error_return; /* error, or bus already scanned */
-
- bus->sysdata = controller;
-
- return;
-
-error_return:
-
- kfree(controller);
- return;
+ sn_legacy_pci_window_fixup(res,
+ prom_bussoft_ptr->bs_legacy_io,
+ prom_bussoft_ptr->bs_legacy_mem);
+ pci_add_resource_offset(&resources, &res[0],
+ prom_bussoft_ptr->bs_legacy_io);
+ pci_add_resource_offset(&resources, &res[1],
+ prom_bussoft_ptr->bs_legacy_mem);
+
+ bus = pci_scan_root_bus(NULL, busnum, &pci_root_ops, controller,
+ &resources);
+ if (bus == NULL) {
+ kfree(res);
+ kfree(controller);
+ }
}
/*
@@ -350,9 +293,6 @@ sn_bus_fixup(struct pci_bus *bus)
return;
}
sn_common_bus_fixup(bus, prom_bussoft_ptr);
- sn_legacy_pci_window_fixup(PCI_CONTROLLER(bus),
- prom_bussoft_ptr->bs_legacy_io,
- prom_bussoft_ptr->bs_legacy_mem);
}
list_for_each_entry(pci_dev, &bus->devices, bus_list) {
sn_io_slot_fixup(pci_dev);
diff --git a/arch/ia64/sn/kernel/iomv.c b/arch/ia64/sn/kernel/iomv.c
index ab7e2fd4079..c77ebdf9811 100644
--- a/arch/ia64/sn/kernel/iomv.c
+++ b/arch/ia64/sn/kernel/iomv.c
@@ -63,7 +63,7 @@ EXPORT_SYMBOL(sn_io_addr);
/**
* __sn_mmiowb - I/O space memory barrier
*
- * See include/asm-ia64/io.h and Documentation/DocBook/deviceiobook.tmpl
+ * See arch/ia64/include/asm/io.h and Documentation/DocBook/deviceiobook.tmpl
* for details.
*
* On SN2, we wait for the PIO_WRITE_STATUS SHub register to clear.
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index 96c31b4180c..85d09515490 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -5,13 +5,14 @@
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (c) 2000-2007 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2008 Silicon Graphics, Inc. All Rights Reserved.
*/
#include <linux/irq.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/rculist.h>
+#include <linux/slab.h>
#include <asm/sn/addrs.h>
#include <asm/sn/arch.h>
#include <asm/sn/intr.h>
@@ -22,11 +23,9 @@
#include <asm/sn/sn_sal.h>
#include <asm/sn/sn_feature_sets.h>
-static void force_interrupt(int irq);
static void register_intr_pda(struct sn_irq_info *sn_irq_info);
static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
-int sn_force_interrupt_flag = 1;
extern int sn_ioif_inited;
struct list_head **sn_irq_lh;
static DEFINE_SPINLOCK(sn_irq_info_lock); /* non-IRQ lock */
@@ -77,66 +76,42 @@ u64 sn_intr_redirect(nasid_t local_nasid, int local_widget,
return ret_stuff.status;
}
-static unsigned int sn_startup_irq(unsigned int irq)
+static unsigned int sn_startup_irq(struct irq_data *data)
{
return 0;
}
-static void sn_shutdown_irq(unsigned int irq)
+static void sn_shutdown_irq(struct irq_data *data)
{
}
extern void ia64_mca_register_cpev(int);
-static void sn_disable_irq(unsigned int irq)
+static void sn_disable_irq(struct irq_data *data)
{
- if (irq == local_vector_to_irq(IA64_CPE_VECTOR))
+ if (data->irq == local_vector_to_irq(IA64_CPE_VECTOR))
ia64_mca_register_cpev(0);
}
-static void sn_enable_irq(unsigned int irq)
+static void sn_enable_irq(struct irq_data *data)
{
- if (irq == local_vector_to_irq(IA64_CPE_VECTOR))
- ia64_mca_register_cpev(irq);
+ if (data->irq == local_vector_to_irq(IA64_CPE_VECTOR))
+ ia64_mca_register_cpev(data->irq);
}
-static void sn_ack_irq(unsigned int irq)
+static void sn_ack_irq(struct irq_data *data)
{
u64 event_occurred, mask;
+ unsigned int irq = data->irq & 0xff;
- irq = irq & 0xff;
event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED));
mask = event_occurred & SH_ALL_INT_MASK;
HUB_S((u64*)LOCAL_MMR_ADDR(SH_EVENT_OCCURRED_ALIAS), mask);
__set_bit(irq, (volatile void *)pda->sn_in_service_ivecs);
- move_native_irq(irq);
+ irq_move_irq(data);
}
-static void sn_end_irq(unsigned int irq)
-{
- int ivec;
- u64 event_occurred;
-
- ivec = irq & 0xff;
- if (ivec == SGI_UART_VECTOR) {
- event_occurred = HUB_L((u64*)LOCAL_MMR_ADDR (SH_EVENT_OCCURRED));
- /* If the UART bit is set here, we may have received an
- * interrupt from the UART that the driver missed. To
- * make sure, we IPI ourselves to force us to look again.
- */
- if (event_occurred & SH_EVENT_OCCURRED_UART_INT_MASK) {
- platform_send_ipi(smp_processor_id(), SGI_UART_VECTOR,
- IA64_IPI_DM_INT, 0);
- }
- }
- __clear_bit(ivec, (volatile void *)pda->sn_in_service_ivecs);
- if (sn_force_interrupt_flag)
- force_interrupt(irq);
-}
-
-static void sn_irq_info_free(struct rcu_head *head);
-
struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
nasid_t nasid, int slice)
{
@@ -175,12 +150,11 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
* PROM does not support SAL_INTR_REDIRECT, or it failed.
* Revert to old method.
*/
- new_irq_info = kmalloc(sizeof(struct sn_irq_info), GFP_ATOMIC);
+ new_irq_info = kmemdup(sn_irq_info, sizeof(struct sn_irq_info),
+ GFP_ATOMIC);
if (new_irq_info == NULL)
return NULL;
- memcpy(new_irq_info, sn_irq_info, sizeof(struct sn_irq_info));
-
/* Free the old PROM new_irq_info structure */
sn_intr_free(local_nasid, local_widget, new_irq_info);
unregister_intr_pda(new_irq_info);
@@ -200,7 +174,7 @@ struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *sn_irq_info,
spin_lock(&sn_irq_info_lock);
list_replace_rcu(&sn_irq_info->list, &new_irq_info->list);
spin_unlock(&sn_irq_info_lock);
- call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
+ kfree_rcu(sn_irq_info, rcu);
finish_up:
@@ -227,18 +201,22 @@ finish_up:
return new_irq_info;
}
-static void sn_set_affinity_irq(unsigned int irq, cpumask_t mask)
+static int sn_set_affinity_irq(struct irq_data *data,
+ const struct cpumask *mask, bool force)
{
struct sn_irq_info *sn_irq_info, *sn_irq_info_safe;
+ unsigned int irq = data->irq;
nasid_t nasid;
int slice;
- nasid = cpuid_to_nasid(first_cpu(mask));
- slice = cpuid_to_slice(first_cpu(mask));
+ nasid = cpuid_to_nasid(cpumask_first_and(mask, cpu_online_mask));
+ slice = cpuid_to_slice(cpumask_first_and(mask, cpu_online_mask));
list_for_each_entry_safe(sn_irq_info, sn_irq_info_safe,
sn_irq_lh[irq], list)
(void)sn_retarget_vector(sn_irq_info, nasid, slice);
+
+ return 0;
}
#ifdef CONFIG_SMP
@@ -246,7 +224,7 @@ void sn_set_err_irq_affinity(unsigned int irq)
{
/*
* On systems which support CPU disabling (SHub2), all error interrupts
- * are targetted at the boot CPU.
+ * are targeted at the boot CPU.
*/
if (is_shub2() && sn_prom_feature_available(PRF_CPU_DISABLE_SUPPORT))
set_irq_affinity_info(irq, cpu_physical_id(0), 0);
@@ -256,26 +234,25 @@ void sn_set_err_irq_affinity(unsigned int irq) { }
#endif
static void
-sn_mask_irq(unsigned int irq)
+sn_mask_irq(struct irq_data *data)
{
}
static void
-sn_unmask_irq(unsigned int irq)
+sn_unmask_irq(struct irq_data *data)
{
}
struct irq_chip irq_type_sn = {
- .name = "SN hub",
- .startup = sn_startup_irq,
- .shutdown = sn_shutdown_irq,
- .enable = sn_enable_irq,
- .disable = sn_disable_irq,
- .ack = sn_ack_irq,
- .end = sn_end_irq,
- .mask = sn_mask_irq,
- .unmask = sn_unmask_irq,
- .set_affinity = sn_set_affinity_irq
+ .name = "SN hub",
+ .irq_startup = sn_startup_irq,
+ .irq_shutdown = sn_shutdown_irq,
+ .irq_enable = sn_enable_irq,
+ .irq_disable = sn_disable_irq,
+ .irq_ack = sn_ack_irq,
+ .irq_mask = sn_mask_irq,
+ .irq_unmask = sn_unmask_irq,
+ .irq_set_affinity = sn_set_affinity_irq
};
ia64_vector sn_irq_to_vector(int irq)
@@ -293,15 +270,13 @@ unsigned int sn_local_vector_to_irq(u8 vector)
void sn_irq_init(void)
{
int i;
- irq_desc_t *base_desc = irq_desc;
ia64_first_device_vector = IA64_SN2_FIRST_DEVICE_VECTOR;
ia64_last_device_vector = IA64_SN2_LAST_DEVICE_VECTOR;
for (i = 0; i < NR_IRQS; i++) {
- if (base_desc[i].chip == &no_irq_type) {
- base_desc[i].chip = &irq_type_sn;
- }
+ if (irq_get_chip(i) == &no_irq_chip)
+ irq_set_chip(i, &irq_type_sn);
}
}
@@ -360,14 +335,6 @@ static void unregister_intr_pda(struct sn_irq_info *sn_irq_info)
rcu_read_unlock();
}
-static void sn_irq_info_free(struct rcu_head *head)
-{
- struct sn_irq_info *sn_irq_info;
-
- sn_irq_info = container_of(head, struct sn_irq_info, rcu);
- kfree(sn_irq_info);
-}
-
void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
{
nasid_t nasid = sn_irq_info->irq_nasid;
@@ -385,12 +352,19 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
spin_lock(&sn_irq_info_lock);
list_add_rcu(&sn_irq_info->list, sn_irq_lh[sn_irq_info->irq_irq]);
reserve_irq_vector(sn_irq_info->irq_irq);
+ if (sn_irq_info->irq_int_bit != -1)
+ irq_set_handler(sn_irq_info->irq_irq, handle_level_irq);
spin_unlock(&sn_irq_info_lock);
register_intr_pda(sn_irq_info);
#ifdef CONFIG_SMP
cpuphys = cpu_physical_id(cpu);
set_irq_affinity_info(sn_irq_info->irq_irq, cpuphys, 0);
+ /*
+ * Affinity was set by the PROM, prevent it from
+ * being reset by the request_irq() path.
+ */
+ irqd_mark_affinity_was_set(irq_get_irq_data(sn_irq_info->irq_irq));
#endif
}
@@ -416,7 +390,7 @@ void sn_irq_unfixup(struct pci_dev *pci_dev)
spin_unlock(&sn_irq_info_lock);
if (list_empty(sn_irq_lh[sn_irq_info->irq_irq]))
free_irq_vector(sn_irq_info->irq_irq);
- call_rcu(&sn_irq_info->rcu, sn_irq_info_free);
+ kfree_rcu(sn_irq_info, rcu);
pci_dev_put(pci_dev);
}
@@ -429,25 +403,11 @@ sn_call_force_intr_provider(struct sn_irq_info *sn_irq_info)
pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type];
/* Don't force an interrupt if the irq has been disabled */
- if (!(irq_desc[sn_irq_info->irq_irq].status & IRQ_DISABLED) &&
+ if (!irqd_irq_disabled(irq_get_irq_data(sn_irq_info->irq_irq)) &&
pci_provider && pci_provider->force_interrupt)
(*pci_provider->force_interrupt)(sn_irq_info);
}
-static void force_interrupt(int irq)
-{
- struct sn_irq_info *sn_irq_info;
-
- if (!sn_ioif_inited)
- return;
-
- rcu_read_lock();
- list_for_each_entry_rcu(sn_irq_info, sn_irq_lh[irq], list)
- sn_call_force_intr_provider(sn_irq_info);
-
- rcu_read_unlock();
-}
-
/*
* Check for lost interrupts. If the PIC int_status reg. says that
* an interrupt has been sent, but not handled, and the interrupt
@@ -466,7 +426,7 @@ static void sn_check_intr(int irq, struct sn_irq_info *sn_irq_info)
/*
* Bridge types attached to TIO (anything but PIC) do not need this WAR
* since they do not target Shub II interrupt registers. If that
- * ever changes, this check needs to accomodate.
+ * ever changes, this check needs to accommodate.
*/
if (sn_irq_info->irq_bridge_type != PCIIO_ASIC_TYPE_PIC)
return;
diff --git a/arch/ia64/sn/kernel/msi_sn.c b/arch/ia64/sn/kernel/msi_sn.c
index 83f190ffe35..afc58d2799a 100644
--- a/arch/ia64/sn/kernel/msi_sn.c
+++ b/arch/ia64/sn/kernel/msi_sn.c
@@ -11,6 +11,7 @@
#include <linux/pci.h>
#include <linux/cpumask.h>
#include <linux/msi.h>
+#include <linux/slab.h>
#include <asm/sn/addrs.h>
#include <asm/sn/intr.h>
@@ -143,15 +144,16 @@ int sn_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *entry)
*/
msg.data = 0x100 + irq;
- set_irq_msi(irq, entry);
+ irq_set_msi_desc(irq, entry);
write_msi_msg(irq, &msg);
- set_irq_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq);
+ irq_set_chip_and_handler(irq, &sn_msi_chip, handle_edge_irq);
return 0;
}
#ifdef CONFIG_SMP
-static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
+static int sn_set_msi_irq_affinity(struct irq_data *data,
+ const struct cpumask *cpu_mask, bool force)
{
struct msi_msg msg;
int slice;
@@ -162,18 +164,18 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
struct sn_irq_info *sn_irq_info;
struct sn_irq_info *new_irq_info;
struct sn_pcibus_provider *provider;
- unsigned int cpu;
+ unsigned int cpu, irq = data->irq;
- cpu = first_cpu(cpu_mask);
+ cpu = cpumask_first_and(cpu_mask, cpu_online_mask);
sn_irq_info = sn_msi_info[irq].sn_irq_info;
if (sn_irq_info == NULL || sn_irq_info->irq_int_bit >= 0)
- return;
+ return -1;
/*
* Release XIO resources for the old MSI PCI address
*/
- read_msi_msg(irq, &msg);
+ get_cached_msi_msg(irq, &msg);
sn_pdev = (struct pcidev_info *)sn_irq_info->irq_pciioinfo;
pdev = sn_pdev->pdi_linux_pcidev;
provider = SN_PCIDEV_BUSPROVIDER(pdev);
@@ -188,7 +190,7 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
new_irq_info = sn_retarget_vector(sn_irq_info, nasid, slice);
sn_msi_info[irq].sn_irq_info = new_irq_info;
if (new_irq_info == NULL)
- return;
+ return -1;
/*
* Map the xio address into bus space
@@ -204,31 +206,33 @@ static void sn_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
write_msi_msg(irq, &msg);
- irq_desc[irq].affinity = cpu_mask;
+ cpumask_copy(data->affinity, cpu_mask);
+
+ return 0;
}
#endif /* CONFIG_SMP */
-static void sn_ack_msi_irq(unsigned int irq)
+static void sn_ack_msi_irq(struct irq_data *data)
{
- move_native_irq(irq);
+ irq_move_irq(data);
ia64_eoi();
}
-static int sn_msi_retrigger_irq(unsigned int irq)
+static int sn_msi_retrigger_irq(struct irq_data *data)
{
- unsigned int vector = irq;
+ unsigned int vector = data->irq;
ia64_resend_irq(vector);
return 1;
}
static struct irq_chip sn_msi_chip = {
- .name = "PCI-MSI",
- .mask = mask_msi_irq,
- .unmask = unmask_msi_irq,
- .ack = sn_ack_msi_irq,
+ .name = "PCI-MSI",
+ .irq_mask = mask_msi_irq,
+ .irq_unmask = unmask_msi_irq,
+ .irq_ack = sn_ack_msi_irq,
#ifdef CONFIG_SMP
- .set_affinity = sn_set_msi_irq_affinity,
+ .irq_set_affinity = sn_set_msi_irq_affinity,
#endif
- .retrigger = sn_msi_retrigger_irq,
+ .irq_retrigger = sn_msi_retrigger_irq,
};
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index bb1d2492964..53b01b8e2f1 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -33,9 +33,9 @@
#include <asm/io.h>
#include <asm/sal.h>
#include <asm/machvec.h>
-#include <asm/system.h>
#include <asm/processor.h>
#include <asm/vga.h>
+#include <asm/setup.h>
#include <asm/sn/arch.h>
#include <asm/sn/addrs.h>
#include <asm/sn/pda.h>
@@ -192,7 +192,7 @@ void __init early_sn_setup(void)
}
extern int platform_intr_list[];
-static int __cpuinitdata shub_1_1_found;
+static int shub_1_1_found;
/*
* sn_check_for_wars
@@ -200,7 +200,7 @@ static int __cpuinitdata shub_1_1_found;
* Set flag for enabling shub specific wars
*/
-static inline int __init is_shub_1_1(int nasid)
+static inline int is_shub_1_1(int nasid)
{
unsigned long id;
int rev;
@@ -212,7 +212,7 @@ static inline int __init is_shub_1_1(int nasid)
return rev <= 2;
}
-static void __init sn_check_for_wars(void)
+static void sn_check_for_wars(void)
{
int cnode;
@@ -241,7 +241,7 @@ static void __init sn_check_for_wars(void)
* Note: This stuff is duped here because Altix requires the PCDP to
* locate a usable VGA device due to lack of proper ACPI support. Structures
* could be used from drivers/firmware/pcdp.h, but it was decided that moving
- * this file to a more public location just for Altix use was undesireable.
+ * this file to a more public location just for Altix use was undesirable.
*/
struct hcdp_uart_desc {
@@ -507,12 +507,11 @@ static void __init sn_init_pdas(char **cmdline_p)
cnodeid_t cnode;
/*
- * Allocate & initalize the nodepda for each node.
+ * Allocate & initialize the nodepda for each node.
*/
for_each_online_node(cnode) {
nodepdaindr[cnode] =
alloc_bootmem_node(NODE_DATA(cnode), sizeof(nodepda_t));
- memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
memset(nodepdaindr[cnode]->phys_cpuid, -1,
sizeof(nodepdaindr[cnode]->phys_cpuid));
spin_lock_init(&nodepdaindr[cnode]->ptc_lock);
@@ -521,11 +520,9 @@ static void __init sn_init_pdas(char **cmdline_p)
/*
* Allocate & initialize nodepda for TIOs. For now, put them on node 0.
*/
- for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++) {
+ for (cnode = num_online_nodes(); cnode < num_cnodes; cnode++)
nodepdaindr[cnode] =
alloc_bootmem_node(NODE_DATA(0), sizeof(nodepda_t));
- memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
- }
/*
* Now copy the array of nodepda pointers to each nodepda.
@@ -561,7 +558,7 @@ static void __init sn_init_pdas(char **cmdline_p)
* Also sets up a few fields in the nodepda. Also known as
* platform_cpu_init() by the ia64 machvec code.
*/
-void __cpuinit sn_cpu_init(void)
+void sn_cpu_init(void)
{
int cpuid;
int cpuphyid;
@@ -595,7 +592,7 @@ void __cpuinit sn_cpu_init(void)
/*
* Don't check status. The SAL call is not supported on all PROMs
* but a failure is harmless.
- * Architechtuallly, cpu_init is always called twice on cpu 0. We
+ * Architecturally, cpu_init is always called twice on cpu 0. We
* should set cpu_number on cpu 0 once.
*/
if (cpuid == 0) {
@@ -735,8 +732,7 @@ void __init build_cnode_tables(void)
kl_config_hdr_t *klgraph_header;
nasid = cnodeid_to_nasid(node);
klgraph_header = ia64_sn_get_klconfig_addr(nasid);
- if (klgraph_header == NULL)
- BUG();
+ BUG_ON(klgraph_header == NULL);
brd = NODE_OFFSET_TO_LBOARD(nasid, klgraph_header->ch_board_info);
while (brd) {
if (board_needs_cnode(brd->brd_type) && physical_node_map[brd->brd_nasid] < 0) {
@@ -753,7 +749,7 @@ nasid_slice_to_cpuid(int nasid, int slice)
{
long cpu;
- for (cpu = 0; cpu < NR_CPUS; cpu++)
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++)
if (cpuid_to_nasid(cpu) == nasid &&
cpuid_to_slice(cpu) == slice)
return cpu;
diff --git a/arch/ia64/sn/kernel/sn2/Makefile b/arch/ia64/sn/kernel/sn2/Makefile
index 08e6565dc90..3d09108d427 100644
--- a/arch/ia64/sn/kernel/sn2/Makefile
+++ b/arch/ia64/sn/kernel/sn2/Makefile
@@ -9,7 +9,7 @@
# sn2 specific kernel files
#
-EXTRA_CFLAGS += -Iarch/ia64/sn/include
+ccflags-y := -Iarch/ia64/sn/include
obj-y += cache.o io.o ptc_deadlock.o sn2_smp.o sn_proc_fs.o \
prominfo_proc.o timer.o timer_interrupt.o sn_hwperf.o
diff --git a/arch/ia64/sn/kernel/sn2/prominfo_proc.c b/arch/ia64/sn/kernel/sn2/prominfo_proc.c
index 4dcce3d0e04..ec4de2b0965 100644
--- a/arch/ia64/sn/kernel/sn2/prominfo_proc.c
+++ b/arch/ia64/sn/kernel/sn2/prominfo_proc.c
@@ -11,8 +11,8 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/nodemask.h>
-#include <asm/system.h>
#include <asm/io.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/sn_cpuid.h>
@@ -102,18 +102,18 @@ get_fit_entry(unsigned long nasid, int index, unsigned long *fentry,
/*
* These two routines display the FIT table for each node.
*/
-static int dump_fit_entry(char *page, unsigned long *fentry)
+static void dump_fit_entry(struct seq_file *m, unsigned long *fentry)
{
unsigned type;
type = FIT_TYPE(fentry[1]);
- return sprintf(page, "%02x %-25s %x.%02x %016lx %u\n",
- type,
- fit_type_name(type),
- FIT_MAJOR(fentry[1]), FIT_MINOR(fentry[1]),
- fentry[0],
- /* mult by sixteen to get size in bytes */
- (unsigned)(fentry[1] & 0xffffff) * 16);
+ seq_printf(m, "%02x %-25s %x.%02x %016lx %u\n",
+ type,
+ fit_type_name(type),
+ FIT_MAJOR(fentry[1]), FIT_MINOR(fentry[1]),
+ fentry[0],
+ /* mult by sixteen to get size in bytes */
+ (unsigned)(fentry[1] & 0xffffff) * 16);
}
@@ -125,31 +125,39 @@ static int dump_fit_entry(char *page, unsigned long *fentry)
* OK except for 4kB pages (and no one is going to do that on SN
* anyway).
*/
-static int
-dump_fit(char *page, unsigned long nasid)
+static int proc_fit_show(struct seq_file *m, void *v)
{
+ unsigned long nasid = (unsigned long)m->private;
unsigned long fentry[2];
int index;
- char *p;
- p = page;
for (index=0;;index++) {
BUG_ON(index * 60 > PAGE_SIZE);
if (get_fit_entry(nasid, index, fentry, NULL, 0))
break;
- p += dump_fit_entry(p, fentry);
+ dump_fit_entry(m, fentry);
}
+ return 0;
+}
- return p - page;
+static int proc_fit_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, proc_fit_show, PDE_DATA(inode));
}
-static int
-dump_version(char *page, unsigned long nasid)
+static const struct file_operations proc_fit_fops = {
+ .open = proc_fit_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int proc_version_show(struct seq_file *m, void *v)
{
+ unsigned long nasid = (unsigned long)m->private;
unsigned long fentry[2];
char banner[128];
int index;
- int len;
for (index = 0; ; index++) {
if (get_fit_entry(nasid, index, fentry, banner,
@@ -159,56 +167,24 @@ dump_version(char *page, unsigned long nasid)
break;
}
- len = sprintf(page, "%x.%02x\n", FIT_MAJOR(fentry[1]),
- FIT_MINOR(fentry[1]));
- page += len;
+ seq_printf(m, "%x.%02x\n", FIT_MAJOR(fentry[1]), FIT_MINOR(fentry[1]));
if (banner[0])
- len += snprintf(page, PAGE_SIZE-len, "%s\n", banner);
-
- return len;
-}
-
-/* same as in proc_misc.c */
-static int
-proc_calc_metrics(char *page, char **start, off_t off, int count, int *eof,
- int len)
-{
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- len -= off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
- return len;
+ seq_printf(m, "%s\n", banner);
+ return 0;
}
-static int
-read_version_entry(char *page, char **start, off_t off, int count, int *eof,
- void *data)
+static int proc_version_open(struct inode *inode, struct file *file)
{
- int len;
-
- /* data holds the NASID of the node */
- len = dump_version(page, (unsigned long)data);
- len = proc_calc_metrics(page, start, off, count, eof, len);
- return len;
+ return single_open(file, proc_version_show, PDE_DATA(inode));
}
-static int
-read_fit_entry(char *page, char **start, off_t off, int count, int *eof,
- void *data)
-{
- int len;
-
- /* data holds the NASID of the node */
- len = dump_fit(page, (unsigned long)data);
- len = proc_calc_metrics(page, start, off, count, eof, len);
-
- return len;
-}
+static const struct file_operations proc_version_fops = {
+ .open = proc_version_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
/* module entry points */
int __init prominfo_init(void);
@@ -217,63 +193,39 @@ void __exit prominfo_exit(void);
module_init(prominfo_init);
module_exit(prominfo_exit);
-static struct proc_dir_entry **proc_entries;
-static struct proc_dir_entry *sgi_prominfo_entry;
-
#define NODE_NAME_LEN 11
int __init prominfo_init(void)
{
- struct proc_dir_entry **entp;
- struct proc_dir_entry *p;
+ struct proc_dir_entry *sgi_prominfo_entry;
cnodeid_t cnodeid;
- unsigned long nasid;
- int size;
- char name[NODE_NAME_LEN];
if (!ia64_platform_is("sn2"))
return 0;
- size = num_online_nodes() * sizeof(struct proc_dir_entry *);
- proc_entries = kzalloc(size, GFP_KERNEL);
- if (!proc_entries)
- return -ENOMEM;
-
sgi_prominfo_entry = proc_mkdir("sgi_prominfo", NULL);
+ if (!sgi_prominfo_entry)
+ return -ENOMEM;
- entp = proc_entries;
for_each_online_node(cnodeid) {
+ struct proc_dir_entry *dir;
+ unsigned long nasid;
+ char name[NODE_NAME_LEN];
+
sprintf(name, "node%d", cnodeid);
- *entp = proc_mkdir(name, sgi_prominfo_entry);
+ dir = proc_mkdir(name, sgi_prominfo_entry);
+ if (!dir)
+ continue;
nasid = cnodeid_to_nasid(cnodeid);
- p = create_proc_read_entry("fit", 0, *entp, read_fit_entry,
- (void *)nasid);
- if (p)
- p->owner = THIS_MODULE;
- p = create_proc_read_entry("version", 0, *entp,
- read_version_entry, (void *)nasid);
- if (p)
- p->owner = THIS_MODULE;
- entp++;
+ proc_create_data("fit", 0, dir,
+ &proc_fit_fops, (void *)nasid);
+ proc_create_data("version", 0, dir,
+ &proc_version_fops, (void *)nasid);
}
-
return 0;
}
void __exit prominfo_exit(void)
{
- struct proc_dir_entry **entp;
- unsigned int cnodeid;
- char name[NODE_NAME_LEN];
-
- entp = proc_entries;
- for_each_online_node(cnodeid) {
- remove_proc_entry("fit", *entp);
- remove_proc_entry("version", *entp);
- sprintf(name, "node%d", cnodeid);
- remove_proc_entry(name, sgi_prominfo_entry);
- entp++;
- }
- remove_proc_entry("sgi_prominfo", NULL);
- kfree(proc_entries);
+ remove_proc_subtree("sgi_prominfo", NULL);
}
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index e585f9a2afb..68c84541162 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -26,7 +26,6 @@
#include <asm/processor.h>
#include <asm/irq.h>
#include <asm/sal.h>
-#include <asm/system.h>
#include <asm/delay.h>
#include <asm/io.h>
#include <asm/smp.h>
@@ -133,7 +132,7 @@ sn2_ipi_flush_all_tlb(struct mm_struct *mm)
unsigned long itc;
itc = ia64_get_itc();
- smp_flush_tlb_cpumask(mm->cpu_vm_mask);
+ smp_flush_tlb_cpumask(*mm_cpumask(mm));
itc = ia64_get_itc() - itc;
__get_cpu_var(ptcstats).shub_ipi_flushes_itc_clocks += itc;
__get_cpu_var(ptcstats).shub_ipi_flushes++;
@@ -182,7 +181,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
nodes_clear(nodes_flushed);
i = 0;
- for_each_cpu_mask(cpu, mm->cpu_vm_mask) {
+ for_each_cpu(cpu, mm_cpumask(mm)) {
cnode = cpu_to_node(cpu);
node_set(cnode, nodes_flushed);
lcpu = cpu;
@@ -461,7 +460,7 @@ bool sn_cpu_disable_allowed(int cpu)
static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset)
{
- if (*offset < NR_CPUS)
+ if (*offset < nr_cpu_ids)
return offset;
return NULL;
}
@@ -469,7 +468,7 @@ static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset)
static void *sn2_ptc_seq_next(struct seq_file *file, void *data, loff_t * offset)
{
(*offset)++;
- if (*offset < NR_CPUS)
+ if (*offset < nr_cpu_ids)
return offset;
return NULL;
}
@@ -491,18 +490,18 @@ static int sn2_ptc_seq_show(struct seq_file *file, void *data)
seq_printf(file, "# ptctest %d, flushopt %d\n", sn2_ptctest, sn2_flush_opt);
}
- if (cpu < NR_CPUS && cpu_online(cpu)) {
+ if (cpu < nr_cpu_ids && cpu_online(cpu)) {
stat = &per_cpu(ptcstats, cpu);
seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n", cpu, stat->ptc_l,
stat->change_rid, stat->shub_ptc_flushes, stat->nodes_flushed,
stat->deadlocks,
- 1000 * stat->lock_itc_clocks / per_cpu(cpu_info, cpu).cyc_per_usec,
- 1000 * stat->shub_itc_clocks / per_cpu(cpu_info, cpu).cyc_per_usec,
- 1000 * stat->shub_itc_clocks_max / per_cpu(cpu_info, cpu).cyc_per_usec,
+ 1000 * stat->lock_itc_clocks / per_cpu(ia64_cpu_info, cpu).cyc_per_usec,
+ 1000 * stat->shub_itc_clocks / per_cpu(ia64_cpu_info, cpu).cyc_per_usec,
+ 1000 * stat->shub_itc_clocks_max / per_cpu(ia64_cpu_info, cpu).cyc_per_usec,
stat->shub_ptc_flushes_not_my_mm,
stat->deadlocks2,
stat->shub_ipi_flushes,
- 1000 * stat->shub_ipi_flushes_itc_clocks / per_cpu(cpu_info, cpu).cyc_per_usec);
+ 1000 * stat->shub_ipi_flushes_itc_clocks / per_cpu(ia64_cpu_info, cpu).cyc_per_usec);
}
return 0;
}
@@ -554,7 +553,7 @@ static int __init sn2_ptc_init(void)
proc_sn2_ptc = proc_create(PTC_BASENAME, 0444,
NULL, &proc_sn2_ptc_operations);
- if (!&proc_sn2_ptc_operations) {
+ if (!proc_sn2_ptc) {
printk(KERN_ERR "unable to create %s proc entry", PTC_BASENAME);
return -EINVAL;
}
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 636588e7e06..b9992571c03 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -25,12 +25,12 @@
#include <linux/fs.h>
#include <linux/slab.h>
+#include <linux/export.h>
#include <linux/vmalloc.h>
#include <linux/seq_file.h>
#include <linux/miscdevice.h>
#include <linux/utsname.h>
#include <linux/cpumask.h>
-#include <linux/smp_lock.h>
#include <linux/nodemask.h>
#include <linux/smp.h>
#include <linux/mutex.h>
@@ -275,8 +275,7 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
/* get it's interconnect topology */
sz = op->ports * sizeof(struct sn_hwperf_port_info);
- if (sz > sizeof(ptdata))
- BUG();
+ BUG_ON(sz > sizeof(ptdata));
e = ia64_sn_hwperf_op(sn_hwperf_master_nasid,
SN_HWPERF_ENUM_PORTS, nodeobj->id, sz,
(u64)&ptdata, 0, 0, NULL);
@@ -310,8 +309,7 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
if (router && (!found_cpu || !found_mem)) {
/* search for a node connected to the same router */
sz = router->ports * sizeof(struct sn_hwperf_port_info);
- if (sz > sizeof(ptdata))
- BUG();
+ BUG_ON(sz > sizeof(ptdata));
e = ia64_sn_hwperf_op(sn_hwperf_master_nasid,
SN_HWPERF_ENUM_PORTS, router->id, sz,
(u64)&ptdata, 0, 0, NULL);
@@ -385,7 +383,6 @@ static int sn_topology_show(struct seq_file *s, void *d)
int j;
const char *slabname;
int ordinal;
- cpumask_t cpumask;
char slice;
struct cpuinfo_ia64 *c;
struct sn_hwperf_port_info *ptdata;
@@ -417,7 +414,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
}
seq_printf(s, "partition %u %s local "
"shubtype %s, "
- "nasid_mask 0x%016lx, "
+ "nasid_mask 0x%016llx, "
"nasid_bits %d:%d, "
"system_size %d, "
"sharing_size %d, "
@@ -473,23 +470,21 @@ static int sn_topology_show(struct seq_file *s, void *d)
* CPUs on this node, if any
*/
if (!SN_HWPERF_IS_IONODE(obj)) {
- cpumask = node_to_cpumask(ordinal);
- for_each_online_cpu(i) {
- if (cpu_isset(i, cpumask)) {
- slice = 'a' + cpuid_to_slice(i);
- c = cpu_data(i);
- seq_printf(s, "cpu %d %s%c local"
- " freq %luMHz, arch ia64",
- i, obj->location, slice,
- c->proc_freq / 1000000);
- for_each_online_cpu(j) {
- seq_printf(s, j ? ":%d" : ", dist %d",
- node_distance(
+ for_each_cpu_and(i, cpu_online_mask,
+ cpumask_of_node(ordinal)) {
+ slice = 'a' + cpuid_to_slice(i);
+ c = cpu_data(i);
+ seq_printf(s, "cpu %d %s%c local"
+ " freq %luMHz, arch ia64",
+ i, obj->location, slice,
+ c->proc_freq / 1000000);
+ for_each_online_cpu(j) {
+ seq_printf(s, j ? ":%d" : ", dist %d",
+ node_distance(
cpu_to_node(i),
cpu_to_node(j)));
- }
- seq_putc(s, '\n');
}
+ seq_putc(s, '\n');
}
}
}
@@ -615,17 +610,21 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
op_info->a->arg &= SN_HWPERF_ARG_OBJID_MASK;
if (cpu != SN_HWPERF_ARG_ANY_CPU) {
- if (cpu >= NR_CPUS || !cpu_online(cpu)) {
+ if (cpu >= nr_cpu_ids || !cpu_online(cpu)) {
r = -EINVAL;
goto out;
}
}
- if (cpu == SN_HWPERF_ARG_ANY_CPU || cpu == get_cpu()) {
- /* don't care, or already on correct cpu */
+ if (cpu == SN_HWPERF_ARG_ANY_CPU) {
+ /* don't care which cpu */
sn_hwperf_call_sal(op_info);
- }
- else {
+ } else if (cpu == get_cpu()) {
+ /* already on correct cpu */
+ sn_hwperf_call_sal(op_info);
+ put_cpu();
+ } else {
+ put_cpu();
if (use_ipi) {
/* use an interprocessor interrupt to call SAL */
smp_call_function_single(cpu, sn_hwperf_call_sal,
@@ -634,9 +633,9 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
else {
/* migrate the task before calling SAL */
save_allowed = current->cpus_allowed;
- set_cpus_allowed(current, cpumask_of_cpu(cpu));
+ set_cpus_allowed_ptr(current, cpumask_of(cpu));
sn_hwperf_call_sal(op_info);
- set_cpus_allowed(current, save_allowed);
+ set_cpus_allowed_ptr(current, &save_allowed);
}
}
r = op_info->ret;
@@ -687,8 +686,7 @@ static int sn_hwperf_map_err(int hwperf_err)
/*
* ioctl for "sn_hwperf" misc device
*/
-static int
-sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg)
+static long sn_hwperf_ioctl(struct file *fp, u32 op, unsigned long arg)
{
struct sn_hwperf_ioctl_args a;
struct cpuinfo_ia64 *cdata;
@@ -704,8 +702,6 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg)
int i;
int j;
- unlock_kernel();
-
/* only user requests are allowed here */
if ((op & SN_HWPERF_OP_MASK) < 10) {
r = -EINVAL;
@@ -791,17 +787,18 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg)
break;
case SN_HWPERF_GET_OBJ_NODE:
- if (a.sz != sizeof(u64) || a.arg < 0) {
+ i = a.arg;
+ if (a.sz != sizeof(u64) || i < 0) {
r = -EINVAL;
goto error;
}
if ((r = sn_hwperf_enum_objects(&nobj, &objs)) == 0) {
- if (a.arg >= nobj) {
+ if (i >= nobj) {
r = -EINVAL;
vfree(objs);
goto error;
}
- if (objs[(i = a.arg)].id != a.arg) {
+ if (objs[i].id != a.arg) {
for (i = 0; i < nobj; i++) {
if (objs[i].id == a.arg)
break;
@@ -863,12 +860,12 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, u64 arg)
error:
vfree(p);
- lock_kernel();
return r;
}
static const struct file_operations sn_hwperf_fops = {
- .ioctl = sn_hwperf_ioctl,
+ .unlocked_ioctl = sn_hwperf_ioctl,
+ .llseek = noop_llseek,
};
static struct miscdevice sn_hwperf_dev = {
@@ -980,7 +977,7 @@ int sn_hwperf_get_nearest_node(cnodeid_t node,
return e;
}
-static int __devinit sn_hwperf_misc_register_init(void)
+static int sn_hwperf_misc_register_init(void)
{
int e;
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index 2526e5c783a..7aab87f4806 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -36,7 +36,7 @@ static int system_serial_number_open(struct inode *inode, struct file *file)
static int licenseID_show(struct seq_file *s, void *p)
{
- seq_printf(s, "0x%lx\n", sn_partition_serial_number_val());
+ seq_printf(s, "0x%llx\n", sn_partition_serial_number_val());
return 0;
}
@@ -45,38 +45,6 @@ static int licenseID_open(struct inode *inode, struct file *file)
return single_open(file, licenseID_show, NULL);
}
-/*
- * Enable forced interrupt by default.
- * When set, the sn interrupt handler writes the force interrupt register on
- * the bridge chip. The hardware will then send an interrupt message if the
- * interrupt line is active. This mimics a level sensitive interrupt.
- */
-extern int sn_force_interrupt_flag;
-
-static int sn_force_interrupt_show(struct seq_file *s, void *p)
-{
- seq_printf(s, "Force interrupt is %s\n",
- sn_force_interrupt_flag ? "enabled" : "disabled");
- return 0;
-}
-
-static ssize_t sn_force_interrupt_write_proc(struct file *file,
- const char __user *buffer, size_t count, loff_t *data)
-{
- char val;
-
- if (copy_from_user(&val, buffer, 1))
- return -EFAULT;
-
- sn_force_interrupt_flag = (val == '0') ? 0 : 1;
- return count;
-}
-
-static int sn_force_interrupt_open(struct inode *inode, struct file *file)
-{
- return single_open(file, sn_force_interrupt_show, NULL);
-}
-
static int coherence_id_show(struct seq_file *s, void *p)
{
seq_printf(s, "%d\n", partition_coherence_id());
@@ -114,14 +82,6 @@ static const struct file_operations proc_license_id_fops = {
.release = single_release,
};
-static const struct file_operations proc_sn_force_intr_fops = {
- .open = sn_force_interrupt_open,
- .read = seq_read,
- .write = sn_force_interrupt_write_proc,
- .llseek = seq_lseek,
- .release = single_release,
-};
-
static const struct file_operations proc_coherence_id_fops = {
.open = coherence_id_open,
.read = seq_read,
@@ -149,8 +109,6 @@ void register_sn_procfs(void)
proc_create("system_serial_number", 0444, sgi_proc_dir,
&proc_system_sn_fops);
proc_create("licenseID", 0444, sgi_proc_dir, &proc_license_id_fops);
- proc_create("sn_force_interrupt", 0644, sgi_proc_dir,
- &proc_sn_force_intr_fops);
proc_create("coherence_id", 0444, sgi_proc_dir,
&proc_coherence_id_fops);
proc_create("sn_topology", 0444, sgi_proc_dir, &proc_sn_topo_fops);
diff --git a/arch/ia64/sn/kernel/sn2/timer.c b/arch/ia64/sn/kernel/sn2/timer.c
index cf67fc56205..abab8f99e91 100644
--- a/arch/ia64/sn/kernel/sn2/timer.c
+++ b/arch/ia64/sn/kernel/sn2/timer.c
@@ -14,7 +14,6 @@
#include <linux/clocksource.h>
#include <asm/hw_irq.h>
-#include <asm/system.h>
#include <asm/timex.h>
#include <asm/sn/leds.h>
@@ -23,7 +22,7 @@
extern unsigned long sn_rtc_cycles_per_second;
-static cycle_t read_sn2(void)
+static cycle_t read_sn2(struct clocksource *cs)
{
return (cycle_t)readq(RTC_COUNTER_ADDR);
}
@@ -33,8 +32,6 @@ static struct clocksource clocksource_sn2 = {
.rating = 450,
.read = read_sn2,
.mask = (1LL << 55) - 1,
- .mult = 0,
- .shift = 10,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
@@ -56,10 +53,8 @@ ia64_sn_udelay (unsigned long usecs)
void __init sn_timer_init(void)
{
- clocksource_sn2.fsys_mmio = RTC_COUNTER_ADDR;
- clocksource_sn2.mult = clocksource_hz2mult(sn_rtc_cycles_per_second,
- clocksource_sn2.shift);
- clocksource_register(&clocksource_sn2);
+ clocksource_sn2.archdata.fsys_mmio = RTC_COUNTER_ADDR;
+ clocksource_register_hz(&clocksource_sn2, sn_rtc_cycles_per_second);
ia64_udelay = &ia64_sn_udelay;
}
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index a88eba3314d..e35f6485c1f 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -14,7 +14,6 @@
#include <linux/capability.h>
#include <linux/device.h>
#include <linux/delay.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/sn/sn_sal.h>
#include <asm/sn/addrs.h>
@@ -191,6 +190,7 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
struct hubdev_info *hubdev, int bt)
{
struct cx_dev *cx_dev;
+ int r;
cx_dev = kzalloc(sizeof(struct cx_dev), GFP_KERNEL);
DBG("cx_dev= 0x%p\n", cx_dev);
@@ -206,9 +206,12 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
cx_dev->dev.parent = NULL;
cx_dev->dev.bus = &tiocx_bus_type;
cx_dev->dev.release = tiocx_bus_release;
- snprintf(cx_dev->dev.bus_id, BUS_ID_SIZE, "%d",
- cx_dev->cx_id.nasid);
- device_register(&cx_dev->dev);
+ dev_set_name(&cx_dev->dev, "%d", cx_dev->cx_id.nasid);
+ r = device_register(&cx_dev->dev);
+ if (r) {
+ kfree(cx_dev);
+ return r;
+ }
get_device(&cx_dev->dev);
device_create_file(&cx_dev->dev, &dev_attr_cxdev_control);
@@ -369,7 +372,7 @@ static void tio_corelet_reset(nasid_t nasid, int corelet)
static int is_fpga_tio(int nasid, int *bt)
{
u16 uninitialized_var(ioboard_type); /* GCC be quiet */
- s64 rc;
+ long rc;
rc = ia64_sn_sysctl_ioboard_get(nasid, &ioboard_type);
if (rc) {
@@ -487,11 +490,14 @@ static int __init tiocx_init(void)
{
cnodeid_t cnodeid;
int found_tiocx_device = 0;
+ int err;
if (!ia64_platform_is("sn2"))
return 0;
- bus_register(&tiocx_bus_type);
+ err = bus_register(&tiocx_bus_type);
+ if (err)
+ return err;
for (cnodeid = 0; cnodeid < num_cnodes; cnodeid++) {
nasid_t nasid;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-10 00:14:28 +0000