diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/x86/include/asm/irq_remapping.h | 8 | ||||
-rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 12 |
2 files changed, 14 insertions, 6 deletions
diff --git a/arch/x86/include/asm/irq_remapping.h b/arch/x86/include/asm/irq_remapping.h index 8d841505344..1c23360fb2d 100644 --- a/arch/x86/include/asm/irq_remapping.h +++ b/arch/x86/include/asm/irq_remapping.h | |||
@@ -24,10 +24,18 @@ static inline void prepare_irte(struct irte *irte, int vector, | |||
24 | irte->dest_id = IRTE_DEST(dest); | 24 | irte->dest_id = IRTE_DEST(dest); |
25 | irte->redir_hint = 1; | 25 | irte->redir_hint = 1; |
26 | } | 26 | } |
27 | static inline bool irq_remapped(struct irq_cfg *cfg) | ||
28 | { | ||
29 | return cfg->irq_2_iommu.iommu != NULL; | ||
30 | } | ||
27 | #else | 31 | #else |
28 | static void prepare_irte(struct irte *irte, int vector, unsigned int dest) | 32 | static void prepare_irte(struct irte *irte, int vector, unsigned int dest) |
29 | { | 33 | { |
30 | } | 34 | } |
35 | static inline bool irq_remapped(struct irq_cfg *cfg) | ||
36 | { | ||
37 | return false; | ||
38 | } | ||
31 | #endif | 39 | #endif |
32 | 40 | ||
33 | #endif /* _ASM_X86_IRQ_REMAPPING_H */ | 41 | #endif /* _ASM_X86_IRQ_REMAPPING_H */ |
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 6ff6bb883c5..1b8e8a10612 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c | |||
@@ -1237,7 +1237,7 @@ static void ioapic_register_intr(unsigned int irq, unsigned long trigger) | |||
1237 | else | 1237 | else |
1238 | irq_clear_status_flags(irq, IRQ_LEVEL); | 1238 | irq_clear_status_flags(irq, IRQ_LEVEL); |
1239 | 1239 | ||
1240 | if (irq_remapped(irq)) { | 1240 | if (irq_remapped(get_irq_chip_data(irq))) { |
1241 | irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); | 1241 | irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); |
1242 | if (trigger) | 1242 | if (trigger) |
1243 | set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, | 1243 | set_irq_chip_and_handler_name(irq, &ir_ioapic_chip, |
@@ -2183,7 +2183,7 @@ static void __target_IO_APIC_irq(unsigned int irq, unsigned int dest, struct irq | |||
2183 | * With interrupt-remapping, destination information comes | 2183 | * With interrupt-remapping, destination information comes |
2184 | * from interrupt-remapping table entry. | 2184 | * from interrupt-remapping table entry. |
2185 | */ | 2185 | */ |
2186 | if (!irq_remapped(irq)) | 2186 | if (!irq_remapped(cfg)) |
2187 | io_apic_write(apic, 0x11 + pin*2, dest); | 2187 | io_apic_write(apic, 0x11 + pin*2, dest); |
2188 | reg = io_apic_read(apic, 0x10 + pin*2); | 2188 | reg = io_apic_read(apic, 0x10 + pin*2); |
2189 | reg &= ~IO_APIC_REDIR_VECTOR_MASK; | 2189 | reg &= ~IO_APIC_REDIR_VECTOR_MASK; |
@@ -2415,7 +2415,7 @@ static void eoi_ioapic_irq(unsigned int irq, struct irq_cfg *cfg) | |||
2415 | * intr-remapping table entry. Hence for the io-apic | 2415 | * intr-remapping table entry. Hence for the io-apic |
2416 | * EOI we use the pin number. | 2416 | * EOI we use the pin number. |
2417 | */ | 2417 | */ |
2418 | if (irq_remapped(irq)) | 2418 | if (irq_remapped(cfg)) |
2419 | io_apic_eoi(entry->apic, entry->pin); | 2419 | io_apic_eoi(entry->apic, entry->pin); |
2420 | else | 2420 | else |
2421 | io_apic_eoi(entry->apic, cfg->vector); | 2421 | io_apic_eoi(entry->apic, cfg->vector); |
@@ -3139,7 +3139,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq, | |||
3139 | 3139 | ||
3140 | dest = apic->cpu_mask_to_apicid_and(cfg->domain, apic->target_cpus()); | 3140 | dest = apic->cpu_mask_to_apicid_and(cfg->domain, apic->target_cpus()); |
3141 | 3141 | ||
3142 | if (irq_remapped(irq)) { | 3142 | if (irq_remapped(get_irq_chip_data(irq))) { |
3143 | struct irte irte; | 3143 | struct irte irte; |
3144 | int ir_index; | 3144 | int ir_index; |
3145 | u16 sub_handle; | 3145 | u16 sub_handle; |
@@ -3321,7 +3321,7 @@ static int setup_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int irq) | |||
3321 | set_irq_msi(irq, msidesc); | 3321 | set_irq_msi(irq, msidesc); |
3322 | write_msi_msg(irq, &msg); | 3322 | write_msi_msg(irq, &msg); |
3323 | 3323 | ||
3324 | if (irq_remapped(irq)) { | 3324 | if (irq_remapped(get_irq_chip_data(irq))) { |
3325 | irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); | 3325 | irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); |
3326 | set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge"); | 3326 | set_irq_chip_and_handler_name(irq, &msi_ir_chip, handle_edge_irq, "edge"); |
3327 | } else | 3327 | } else |
@@ -3522,7 +3522,7 @@ int arch_setup_hpet_msi(unsigned int irq, unsigned int id) | |||
3522 | 3522 | ||
3523 | hpet_msi_write(get_irq_data(irq), &msg); | 3523 | hpet_msi_write(get_irq_data(irq), &msg); |
3524 | irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); | 3524 | irq_set_status_flags(irq, IRQ_MOVE_PCNTXT); |
3525 | if (irq_remapped(irq)) | 3525 | if (irq_remapped(get_irq_chip_data(irq))) |
3526 | set_irq_chip_and_handler_name(irq, &ir_hpet_msi_type, | 3526 | set_irq_chip_and_handler_name(irq, &ir_hpet_msi_type, |
3527 | handle_edge_irq, "edge"); | 3527 | handle_edge_irq, "edge"); |
3528 | else | 3528 | else |