From 7237d3de78ff89ec2e18eae5fe962d063024fef5 Mon Sep 17 00:00:00 2001 From: Suresh Siddha Date: Mon, 30 Mar 2009 13:55:30 -0800 Subject: x86, ACPI: add support for x2apic ACPI extensions All logical processors with APIC ID values of 255 and greater will have their APIC reported through Processor X2APIC structure (type-9 entry type) and all logical processors with APIC ID less than 255 will have their APIC reported through legacy Processor Local APIC (type-0 entry type) only. This is the same case even for NMI structure reporting. The Processor X2APIC Affinity structure provides the association between the X2APIC ID of a logical processor and the proximity domain to which the logical processor belongs. For OSPM, Procssor IDs outside the 0-254 range are to be declared as Device() objects in the ACPI namespace. Signed-off-by: Suresh Siddha Signed-off-by: Len Brown --- include/linux/acpi.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/acpi.h') diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 6fce2fc2d12..a6989e51754 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -96,6 +96,7 @@ void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); /* the following four functions are architecture-dependent */ void acpi_numa_slit_init (struct acpi_table_slit *slit); void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); +void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); void acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); void acpi_numa_arch_fixup(void); -- cgit v1.2.3-70-g09d2 From 88bea188b85f9cefefbbd56b8a48d0f798409177 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Tue, 21 Apr 2009 00:35:47 -0400 Subject: ACPI: add /sys/firmware/acpi/interrupts/sci_not counter This counter may prove useful in debugging some spurious interrupt issues seen in the field. Signed-off-by: Len Brown --- Documentation/ABI/testing/sysfs-firmware-acpi | 8 ++++++-- drivers/acpi/osl.c | 4 +++- drivers/acpi/system.c | 11 +++++++++-- include/linux/acpi.h | 1 + 4 files changed, 19 insertions(+), 5 deletions(-) (limited to 'include/linux/acpi.h') diff --git a/Documentation/ABI/testing/sysfs-firmware-acpi b/Documentation/ABI/testing/sysfs-firmware-acpi index e8ffc70ffe1..4f9ba3c2fca 100644 --- a/Documentation/ABI/testing/sysfs-firmware-acpi +++ b/Documentation/ABI/testing/sysfs-firmware-acpi @@ -69,9 +69,13 @@ Description: gpe1F: 0 invalid gpe_all: 1192 sci: 1194 + sci_not: 0 - sci - The total number of times the ACPI SCI - has claimed an interrupt. + sci - The number of times the ACPI SCI + has been called and claimed an interrupt. + + sci_not - The number of times the ACPI SCI + has been called and NOT claimed an interrupt. gpe_all - count of SCI caused by GPEs. diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index d59f08ecaf1..d916bea729f 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -353,8 +353,10 @@ static irqreturn_t acpi_irq(int irq, void *dev_id) if (handled) { acpi_irq_handled++; return IRQ_HANDLED; - } else + } else { + acpi_irq_not_handled++; return IRQ_NONE; + } } acpi_status diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index da51f05ef8d..0944daec064 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -38,6 +38,7 @@ ACPI_MODULE_NAME("system"); #define ACPI_SYSTEM_DEVICE_NAME "System" u32 acpi_irq_handled; +u32 acpi_irq_not_handled; /* * Make ACPICA version work as module param @@ -214,8 +215,9 @@ err: #define COUNT_GPE 0 #define COUNT_SCI 1 /* acpi_irq_handled */ -#define COUNT_ERROR 2 /* other */ -#define NUM_COUNTERS_EXTRA 3 +#define COUNT_SCI_NOT 2 /* acpi_irq_not_handled */ +#define COUNT_ERROR 3 /* other */ +#define NUM_COUNTERS_EXTRA 4 struct event_counter { u32 count; @@ -317,6 +319,8 @@ static ssize_t counter_show(struct kobject *kobj, all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI].count = acpi_irq_handled; + all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT].count = + acpi_irq_not_handled; all_counters[num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_GPE].count = acpi_gpe_count; @@ -363,6 +367,7 @@ static ssize_t counter_set(struct kobject *kobj, all_counters[i].count = 0; acpi_gpe_count = 0; acpi_irq_handled = 0; + acpi_irq_not_handled = 0; goto end; } @@ -456,6 +461,8 @@ void acpi_irq_stats_init(void) sprintf(buffer, "gpe_all"); else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) sprintf(buffer, "sci"); + else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI_NOT) + sprintf(buffer, "sci_not"); else if (i == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_ERROR) sprintf(buffer, "error"); else diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 6586cbd0d4a..88be890ee3c 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -111,6 +111,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base); int acpi_unregister_ioapic(acpi_handle handle, u32 gsi_base); void acpi_irq_stats_init(void); extern u32 acpi_irq_handled; +extern u32 acpi_irq_not_handled; extern struct acpi_mcfg_allocation *pci_mmcfg_config; extern int pci_mmcfg_config_num; -- cgit v1.2.3-70-g09d2