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-rw-r--r--arch/ia64/sn/kernel/Makefile2
-rw-r--r--arch/ia64/sn/kernel/huberror.c2
-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c5
-rw-r--r--arch/ia64/sn/kernel/io_common.c8
-rw-r--r--arch/ia64/sn/kernel/io_init.c123
-rw-r--r--arch/ia64/sn/kernel/irq.c126
-rw-r--r--arch/ia64/sn/kernel/msi_sn.c34
-rw-r--r--arch/ia64/sn/kernel/setup.c12
-rw-r--r--arch/ia64/sn/kernel/sn2/Makefile2
-rw-r--r--arch/ia64/sn/kernel/sn2/prominfo_proc.c147
-rw-r--r--arch/ia64/sn/kernel/sn2/sn2_smp.c1
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_hwperf.c15
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_proc_fs.c42
-rw-r--r--arch/ia64/sn/kernel/sn2/timer.c9
-rw-r--r--arch/ia64/sn/kernel/tiocx.c13
15 files changed, 178 insertions, 363 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/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 8cdcb173a13..0640739cc20 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -14,6 +14,7 @@
#include "xtalk/hubdev.h"
#include <linux/acpi.h>
#include <linux/slab.h>
+#include <linux/export.h>
/*
@@ -131,7 +132,7 @@ 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)) {
@@ -359,7 +360,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
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)) {
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 4433dd019d3..11f2275570f 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -7,6 +7,7 @@
*/
#include <linux/bootmem.h>
+#include <linux/export.h>
#include <linux/slab.h>
#include <asm/sn/types.h>
#include <asm/sn/addrs.h>
@@ -228,7 +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;
@@ -244,8 +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;
@@ -436,8 +435,7 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address)
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())
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index 98079f29d9a..0b5ce82d203 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -7,6 +7,7 @@
*/
#include <linux/slab.h>
+#include <linux/export.h>
#include <asm/sn/types.h>
#include <asm/sn/addrs.h>
#include <asm/sn/io.h>
@@ -117,76 +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);
- BUG_ON(controller->window == NULL);
- 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);
- BUG_ON(new_window == NULL);
- 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;
}
/*
@@ -198,9 +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;
@@ -228,7 +177,6 @@ sn_io_slot_fixup(struct pci_dev *dev)
for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
if (!pcidev_info->pdi_pio_mapped_addr[idx]) {
- pci_addrs[idx] = -1;
continue;
}
@@ -236,11 +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;
@@ -275,11 +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);
}
@@ -296,7 +236,8 @@ 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));
@@ -308,24 +249,29 @@ sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
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);
+ }
}
/*
@@ -347,9 +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/irq.c b/arch/ia64/sn/kernel/irq.c
index 13c15d96809..85d09515490 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -23,11 +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 */
@@ -78,66 +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)
{
@@ -176,12 +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);
@@ -201,7 +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:
@@ -228,14 +201,16 @@ finish_up:
return new_irq_info;
}
-static int sn_set_affinity_irq(unsigned int irq, const struct cpumask *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(cpumask_first(mask));
- slice = cpuid_to_slice(cpumask_first(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)
@@ -249,7 +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);
@@ -259,26 +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)
@@ -296,15 +270,13 @@ unsigned int sn_local_vector_to_irq(u8 vector)
void sn_irq_init(void)
{
int i;
- struct irq_desc *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_chip) {
- base_desc[i].chip = &irq_type_sn;
- }
+ if (irq_get_chip(i) == &no_irq_chip)
+ irq_set_chip(i, &irq_type_sn);
}
}
@@ -363,14 +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;
@@ -378,7 +342,6 @@ void sn_irq_fixup(struct pci_dev *pci_dev, struct sn_irq_info *sn_irq_info)
int cpu = nasid_slice_to_cpuid(nasid, slice);
#ifdef CONFIG_SMP
int cpuphys;
- struct irq_desc *desc;
#endif
pci_dev_get(pci_dev);
@@ -389,18 +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);
- desc = irq_to_desc(sn_irq_info->irq_irq);
/*
* Affinity was set by the PROM, prevent it from
* being reset by the request_irq() path.
*/
- desc->status |= IRQ_AFFINITY_SET;
+ irqd_mark_affinity_was_set(irq_get_irq_data(sn_irq_info->irq_irq));
#endif
}
@@ -426,7 +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);
}
@@ -439,25 +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
@@ -476,7 +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 a5e500f0285..afc58d2799a 100644
--- a/arch/ia64/sn/kernel/msi_sn.c
+++ b/arch/ia64/sn/kernel/msi_sn.c
@@ -144,16 +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 int sn_set_msi_irq_affinity(unsigned int irq,
- const struct cpumask *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;
@@ -164,9 +164,9 @@ static int sn_set_msi_irq_affinity(unsigned int irq,
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 = cpumask_first(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 -1;
@@ -206,33 +206,33 @@ static int sn_set_msi_irq_affinity(unsigned int irq,
msg.address_lo = (u32)(bus_addr & 0x00000000ffffffff);
write_msi_msg(irq, &msg);
- cpumask_copy(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",
- .irq_mask = mask_msi_irq,
- .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 dbc4cbecb5e..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 __cpuinit 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 __cpuinit is_shub_1_1(int nasid)
return rev <= 2;
}
-static void __cpuinit sn_check_for_wars(void)
+static void sn_check_for_wars(void)
{
int cnode;
@@ -558,7 +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;
@@ -592,7 +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) {
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 e6332881864..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);
@@ -217,58 +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 *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);
- create_proc_read_entry("fit", 0, *entp, read_fit_entry,
- (void *)nasid);
- create_proc_read_entry("version", 0, *entp,
- read_version_entry, (void *)nasid);
- 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 e884ba4e031..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>
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 30862c0358c..b9992571c03 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -25,6 +25,7 @@
#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>
@@ -615,11 +616,15 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
}
}
- 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,
@@ -972,7 +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 c76d8dc3aea..7aab87f4806 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -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 21d6f09e344..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>
@@ -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 c1bd1cfda32..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);
@@ -207,7 +207,11 @@ cx_device_register(nasid_t nasid, int part_num, int mfg_num,
cx_dev->dev.bus = &tiocx_bus_type;
cx_dev->dev.release = tiocx_bus_release;
dev_set_name(&cx_dev->dev, "%d", cx_dev->cx_id.nasid);
- device_register(&cx_dev->dev);
+ 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);
@@ -486,11 +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 2025-11-09 22:09:29 +0000