TononixOS/ubports_kernel_google_msm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge branch 'x86/apic' into x86-v28-for-linus-phase4-B

Browse Source 
Conflicts:
	arch/x86/kernel/apic_32.c
	arch/x86/kernel/apic_64.c
	arch/x86/kernel/setup.c
	drivers/pci/intel-iommu.c
	include/asm-x86/cpufeature.h
	include/asm-x86/dma-mapping.h
This commit is contained in:
Ingo Molnar
2008-10-10 19:50:00 +02:00
parent 725c25819e 11494547b1
commit d84705969f
86 changed files with 3646 additions and 1007 deletions
Download Patch File Download Diff File Expand all files Collapse all files

127
include/linux/dmar.h
View File

@@ -25,9 +25,99 @@
#include <linux/types.h>
#include <linux/msi.h>
#ifdef CONFIG_DMAR
#if defined(CONFIG_DMAR) || defined(CONFIG_INTR_REMAP)
struct intel_iommu;
struct dmar_drhd_unit {
struct list_head list; /* list of drhd units */
struct acpi_dmar_header *hdr; /* ACPI header */
u64 reg_base_addr; /* register base address*/
struct pci_dev **devices; /* target device array */
int devices_cnt; /* target device count */
u8 ignored:1; /* ignore drhd */
u8 include_all:1;
struct intel_iommu *iommu;
};
extern struct list_head dmar_drhd_units;
#define for_each_drhd_unit(drhd) \
list_for_each_entry(drhd, &dmar_drhd_units, list)
extern int dmar_table_init(void);
extern int early_dmar_detect(void);
extern int dmar_dev_scope_init(void);
/* Intel IOMMU detection */
extern void detect_intel_iommu(void);
extern int parse_ioapics_under_ir(void);
extern int alloc_iommu(struct dmar_drhd_unit *);
#else
static inline void detect_intel_iommu(void)
{
return;
}
static inline int dmar_table_init(void)
{
return -ENODEV;
}
#endif /* !CONFIG_DMAR && !CONFIG_INTR_REMAP */
#ifdef CONFIG_INTR_REMAP
extern int intr_remapping_enabled;
extern int enable_intr_remapping(int);
struct irte {
union {
struct {
__u64 present : 1,
fpd : 1,
dst_mode : 1,
redir_hint : 1,
trigger_mode : 1,
dlvry_mode : 3,
avail : 4,
__reserved_1 : 4,
vector : 8,
__reserved_2 : 8,
dest_id : 32;
};
__u64 low;
};
union {
struct {
__u64 sid : 16,
sq : 2,
svt : 2,
__reserved_3 : 44;
};
__u64 high;
};
};
extern int get_irte(int irq, struct irte *entry);
extern int modify_irte(int irq, struct irte *irte_modified);
extern int alloc_irte(struct intel_iommu *iommu, int irq, u16 count);
extern int set_irte_irq(int irq, struct intel_iommu *iommu, u16 index,
u16 sub_handle);
extern int map_irq_to_irte_handle(int irq, u16 *sub_handle);
extern int clear_irte_irq(int irq, struct intel_iommu *iommu, u16 index);
extern int flush_irte(int irq);
extern int free_irte(int irq);
extern int irq_remapped(int irq);
extern struct intel_iommu *map_dev_to_ir(struct pci_dev *dev);
extern struct intel_iommu *map_ioapic_to_ir(int apic);
#else
#define irq_remapped(irq) (0)
#define enable_intr_remapping(mode) (-1)
#define intr_remapping_enabled (0)
#endif
#ifdef CONFIG_DMAR
extern const char *dmar_get_fault_reason(u8 fault_reason);
/* Can't use the common MSI interrupt functions
@@ -40,47 +130,30 @@ extern void dmar_msi_write(int irq, struct msi_msg *msg);
extern int dmar_set_interrupt(struct intel_iommu *iommu);
extern int arch_setup_dmar_msi(unsigned int irq);
/* Intel IOMMU detection and initialization functions */
extern void detect_intel_iommu(void);
extern int intel_iommu_init(void);
extern int dmar_table_init(void);
extern int early_dmar_detect(void);
extern struct list_head dmar_drhd_units;
extern int iommu_detected, no_iommu;
extern struct list_head dmar_rmrr_units;
struct dmar_drhd_unit {
struct list_head list; /* list of drhd units */
u64 reg_base_addr; /* register base address*/
struct pci_dev **devices; /* target device array */
int devices_cnt; /* target device count */
u8 ignored:1; /* ignore drhd */
u8 include_all:1;
struct intel_iommu *iommu;
};
struct dmar_rmrr_unit {
struct list_head list; /* list of rmrr units */
struct acpi_dmar_header *hdr; /* ACPI header */
u64 base_address; /* reserved base address*/
u64 end_address; /* reserved end address */
struct pci_dev **devices; /* target devices */
int devices_cnt; /* target device count */
};
#define for_each_drhd_unit(drhd) \
list_for_each_entry(drhd, &dmar_drhd_units, list)
#define for_each_rmrr_units(rmrr) \
list_for_each_entry(rmrr, &dmar_rmrr_units, list)
/* Intel DMAR initialization functions */
extern int intel_iommu_init(void);
extern int dmar_disabled;
#else
static inline void detect_intel_iommu(void)
{
return;
}
static inline int intel_iommu_init(void)
{
#ifdef CONFIG_INTR_REMAP
return dmar_dev_scope_init();
#else
return -ENODEV;
#endif
}
#endif /* !CONFIG_DMAR */
#endif /* __DMAR_H__ */

1
include/linux/irq.h
View File

@@ -62,6 +62,7 @@ typedef void (*irq_flow_handler_t)(unsigned int irq,
#define IRQ_MOVE_PENDING 0x00200000 /* need to re-target IRQ destination */
#define IRQ_NO_BALANCING 0x00400000 /* IRQ is excluded from balancing */
#define IRQ_SPURIOUS_DISABLED 0x00800000 /* IRQ was disabled by the spurious trap */
#define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */
#ifdef CONFIG_IRQ_PER_CPU
# define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)