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authorSuresh Siddha <suresh.b.siddha@intel.com>2012-03-30 11:47:07 -0700
committerJoerg Roedel <joerg.roedel@amd.com>2012-05-07 14:35:00 +0200
commit95a02e976c39d63716b8c7c226bc530a2041536f (patch)
tree8c8992e117ad625491f3233f71674e40825474da /arch/x86
parent263b5e8629c9ce21c9cd4c0e29c097afb1c10ef3 (diff)
iommu: rename intr_remapping references to irq_remapping
Make the code consistent with the naming conventions of irq subsystem. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Joerg Roedel <joerg.roedel@amd.com> Cc: Yinghai Lu <yinghai@kernel.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/intr_remapping.h94
-rw-r--r--arch/x86/kernel/apic/apic.c22
-rw-r--r--arch/x86/kernel/apic/io_apic.c41
3 files changed, 80 insertions, 77 deletions
diff --git a/arch/x86/include/asm/intr_remapping.h b/arch/x86/include/asm/intr_remapping.h
index a6afd6efa6c6..f9cbbcb2956e 100644
--- a/arch/x86/include/asm/intr_remapping.h
+++ b/arch/x86/include/asm/intr_remapping.h
@@ -28,71 +28,73 @@ struct IO_APIC_route_entry;
struct io_apic_irq_attr;
struct pci_dev;
-extern int intr_remapping_enabled;
+extern int irq_remapping_enabled;
-extern void setup_intr_remapping(void);
-extern int intr_remapping_supported(void);
-extern int intr_hardware_init(void);
-extern int intr_hardware_enable(void);
-extern void intr_hardware_disable(void);
-extern int intr_hardware_reenable(int);
-extern int intr_enable_fault_handling(void);
-extern int intr_setup_ioapic_entry(int irq,
- struct IO_APIC_route_entry *entry,
- unsigned int destination, int vector,
- struct io_apic_irq_attr *attr);
-extern int intr_set_affinity(struct irq_data *data,
- const struct cpumask *mask,
- bool force);
-extern void intr_free_irq(int irq);
-extern void intr_compose_msi_msg(struct pci_dev *pdev,
- unsigned int irq, unsigned int dest,
- struct msi_msg *msg, u8 hpet_id);
-extern int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec);
-extern int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
- int index, int sub_handle);
-extern int intr_setup_hpet_msi(unsigned int irq, unsigned int id);
+extern void setup_irq_remapping_ops(void);
+extern int irq_remapping_supported(void);
+extern int irq_remapping_prepare(void);
+extern int irq_remapping_enable(void);
+extern void irq_remapping_disable(void);
+extern int irq_remapping_reenable(int);
+extern int irq_remap_enable_fault_handling(void);
+extern int setup_ioapic_remapped_entry(int irq,
+ struct IO_APIC_route_entry *entry,
+ unsigned int destination,
+ int vector,
+ struct io_apic_irq_attr *attr);
+extern int set_remapped_irq_affinity(struct irq_data *data,
+ const struct cpumask *mask,
+ bool force);
+extern void free_remapped_irq(int irq);
+extern void compose_remapped_msi_msg(struct pci_dev *pdev,
+ unsigned int irq, unsigned int dest,
+ struct msi_msg *msg, u8 hpet_id);
+extern int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec);
+extern int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
+ int index, int sub_handle);
+extern int setup_hpet_msi_remapped(unsigned int irq, unsigned int id);
#else /* CONFIG_IRQ_REMAP */
-#define intr_remapping_enabled 0
+#define irq_remapping_enabled 0
-static inline void setup_intr_remapping(void) { }
-static inline int intr_remapping_supported(void) { return 0; }
-static inline int intr_hardware_init(void) { return -ENODEV; }
-static inline int intr_hardware_enable(void) { return -ENODEV; }
-static inline void intr_hardware_disable(void) { }
-static inline int intr_hardware_reenable(int eim) { return -ENODEV; }
-static inline int intr_enable_fault_handling(void) { return -ENODEV; }
-static inline int intr_setup_ioapic_entry(int irq,
- struct IO_APIC_route_entry *entry,
- unsigned int destination, int vector,
- struct io_apic_irq_attr *attr)
+static inline void setup_irq_remapping_ops(void) { }
+static inline int irq_remapping_supported(void) { return 0; }
+static inline int irq_remapping_prepare(void) { return -ENODEV; }
+static inline int irq_remapping_enable(void) { return -ENODEV; }
+static inline void irq_remapping_disable(void) { }
+static inline int irq_remapping_reenable(int eim) { return -ENODEV; }
+static inline int irq_remap_enable_fault_handling(void) { return -ENODEV; }
+static inline int setup_ioapic_remapped_entry(int irq,
+ struct IO_APIC_route_entry *entry,
+ unsigned int destination,
+ int vector,
+ struct io_apic_irq_attr *attr)
{
return -ENODEV;
}
-static inline int intr_set_affinity(struct irq_data *data,
- const struct cpumask *mask,
- bool force)
+static inline int set_remapped_irq_affinity(struct irq_data *data,
+ const struct cpumask *mask,
+ bool force)
{
return 0;
}
-static inline void intr_free_irq(int irq) { }
-static inline void intr_compose_msi_msg(struct pci_dev *pdev,
- unsigned int irq, unsigned int dest,
- struct msi_msg *msg, u8 hpet_id)
+static inline void free_remapped_irq(int irq) { }
+static inline void compose_remapped_msi_msg(struct pci_dev *pdev,
+ unsigned int irq, unsigned int dest,
+ struct msi_msg *msg, u8 hpet_id)
{
}
-static inline int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
+static inline int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec)
{
return -ENODEV;
}
-static inline int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
- int index, int sub_handle)
+static inline int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
+ int index, int sub_handle)
{
return -ENODEV;
}
-static inline int intr_setup_hpet_msi(unsigned int irq, unsigned int id)
+static inline int setup_hpet_msi_remapped(unsigned int irq, unsigned int id)
{
return -ENODEV;
}
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index a2762687e2ee..c02c666c4628 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1442,8 +1442,8 @@ void __init bsp_end_local_APIC_setup(void)
* Now that local APIC setup is completed for BP, configure the fault
* handling for interrupt remapping.
*/
- if (intr_remapping_enabled)
- intr_enable_fault_handling();
+ if (irq_remapping_enabled)
+ irq_remap_enable_fault_handling();
}
@@ -1518,7 +1518,7 @@ void enable_x2apic(void)
int __init enable_IR(void)
{
#ifdef CONFIG_IRQ_REMAP
- if (!intr_remapping_supported()) {
+ if (!irq_remapping_supported()) {
pr_debug("intr-remapping not supported\n");
return -1;
}
@@ -1529,7 +1529,7 @@ int __init enable_IR(void)
return -1;
}
- return intr_hardware_enable();
+ return irq_remapping_enable();
#endif
return -1;
}
@@ -1541,9 +1541,9 @@ void __init enable_IR_x2apic(void)
int hardware_init_ret;
/* Make sure irq_remap_ops are initialized */
- setup_intr_remapping();
+ setup_irq_remapping_ops();
- hardware_init_ret = intr_hardware_init();
+ hardware_init_ret = irq_remapping_prepare();
if (hardware_init_ret && !x2apic_supported())
return;
@@ -2180,8 +2180,8 @@ static int lapic_suspend(void)
local_irq_save(flags);
disable_local_APIC();
- if (intr_remapping_enabled)
- intr_hardware_disable();
+ if (irq_remapping_enabled)
+ irq_remapping_disable();
local_irq_restore(flags);
return 0;
@@ -2197,7 +2197,7 @@ static void lapic_resume(void)
return;
local_irq_save(flags);
- if (intr_remapping_enabled) {
+ if (irq_remapping_enabled) {
/*
* IO-APIC and PIC have their own resume routines.
* We just mask them here to make sure the interrupt
@@ -2249,8 +2249,8 @@ static void lapic_resume(void)
apic_write(APIC_ESR, 0);
apic_read(APIC_ESR);
- if (intr_remapping_enabled)
- intr_hardware_reenable(x2apic_mode);
+ if (irq_remapping_enabled)
+ irq_remapping_reenable(x2apic_mode);
local_irq_restore(flags);
}
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 073edd1d3c66..abbbcd4d1d71 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1381,9 +1381,9 @@ static int setup_ioapic_entry(int irq, struct IO_APIC_route_entry *entry,
unsigned int destination, int vector,
struct io_apic_irq_attr *attr)
{
- if (intr_remapping_enabled)
- return intr_setup_ioapic_entry(irq, entry, destination,
- vector, attr);
+ if (irq_remapping_enabled)
+ return setup_ioapic_remapped_entry(irq, entry, destination,
+ vector, attr);
memset(entry, 0, sizeof(*entry));
@@ -1540,7 +1540,7 @@ static void __init setup_timer_IRQ0_pin(unsigned int ioapic_idx,
{
struct IO_APIC_route_entry entry;
- if (intr_remapping_enabled)
+ if (irq_remapping_enabled)
return;
memset(&entry, 0, sizeof(entry));
@@ -1626,7 +1626,7 @@ __apicdebuginit(void) print_IO_APIC(int ioapic_idx)
printk(KERN_DEBUG ".... IRQ redirection table:\n");
- if (intr_remapping_enabled) {
+ if (irq_remapping_enabled) {
printk(KERN_DEBUG " NR Indx Fmt Mask Trig IRR"
" Pol Stat Indx2 Zero Vect:\n");
} else {
@@ -1635,7 +1635,7 @@ __apicdebuginit(void) print_IO_APIC(int ioapic_idx)
}
for (i = 0; i <= reg_01.bits.entries; i++) {
- if (intr_remapping_enabled) {
+ if (irq_remapping_enabled) {
struct IO_APIC_route_entry entry;
struct IR_IO_APIC_route_entry *ir_entry;
@@ -2002,7 +2002,7 @@ void disable_IO_APIC(void)
* IOAPIC RTE as well as interrupt-remapping table entry).
* As this gets called during crash dump, keep this simple for now.
*/
- if (ioapic_i8259.pin != -1 && !intr_remapping_enabled) {
+ if (ioapic_i8259.pin != -1 && !irq_remapping_enabled) {
struct IO_APIC_route_entry entry;
memset(&entry, 0, sizeof(entry));
@@ -2026,7 +2026,7 @@ void disable_IO_APIC(void)
* Use virtual wire A mode when interrupt remapping is enabled.
*/
if (cpu_has_apic || apic_from_smp_config())
- disconnect_bsp_APIC(!intr_remapping_enabled &&
+ disconnect_bsp_APIC(!irq_remapping_enabled &&
ioapic_i8259.pin != -1);
}
@@ -2586,7 +2586,7 @@ static void irq_remap_modify_chip_defaults(struct irq_chip *chip)
chip->irq_eoi = ir_ack_apic_level;
#ifdef CONFIG_SMP
- chip->irq_set_affinity = intr_set_affinity;
+ chip->irq_set_affinity = set_remapped_irq_affinity;
#endif
}
#endif /* CONFIG_IRQ_REMAP */
@@ -2799,7 +2799,7 @@ static inline void __init check_timer(void)
* 8259A.
*/
if (pin1 == -1) {
- if (intr_remapping_enabled)
+ if (irq_remapping_enabled)
panic("BIOS bug: timer not connected to IO-APIC");
pin1 = pin2;
apic1 = apic2;
@@ -2832,7 +2832,7 @@ static inline void __init check_timer(void)
clear_IO_APIC_pin(0, pin1);
goto out;
}
- if (intr_remapping_enabled)
+ if (irq_remapping_enabled)
panic("timer doesn't work through Interrupt-remapped IO-APIC");
local_irq_disable();
clear_IO_APIC_pin(apic1, pin1);
@@ -3056,7 +3056,7 @@ void destroy_irq(unsigned int irq)
irq_set_status_flags(irq, IRQ_NOREQUEST|IRQ_NOPROBE);
if (irq_remapped(cfg))
- intr_free_irq(irq);
+ free_remapped_irq(irq);
raw_spin_lock_irqsave(&vector_lock, flags);
__clear_irq_vector(irq, cfg);
raw_spin_unlock_irqrestore(&vector_lock, flags);
@@ -3085,7 +3085,7 @@ static int msi_compose_msg(struct pci_dev *pdev, unsigned int irq,
dest = apic->cpu_mask_to_apicid_and(cfg->domain, apic->target_cpus());
if (irq_remapped(cfg)) {
- intr_compose_msi_msg(pdev, irq, dest, msg, hpet_id);
+ compose_remapped_msi_msg(pdev, irq, dest, msg, hpet_id);
return err;
}
@@ -3198,7 +3198,7 @@ int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
if (irq == 0)
return -1;
irq_want = irq + 1;
- if (!intr_remapping_enabled)
+ if (!irq_remapping_enabled)
goto no_ir;
if (!sub_handle) {
@@ -3206,13 +3206,14 @@ int native_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
* allocate the consecutive block of IRTE's
* for 'nvec'
*/
- index = intr_msi_alloc_irq(dev, irq, nvec);
+ index = msi_alloc_remapped_irq(dev, irq, nvec);
if (index < 0) {
ret = index;
goto error;
}
} else {
- ret = intr_msi_setup_irq(dev, irq, index, sub_handle);
+ ret = msi_setup_remapped_irq(dev, irq, index,
+ sub_handle);
if (ret < 0)
goto error;
}
@@ -3332,8 +3333,8 @@ int arch_setup_hpet_msi(unsigned int irq, unsigned int id)
struct msi_msg msg;
int ret;
- if (intr_remapping_enabled) {
- if (!intr_setup_hpet_msi(irq, id))
+ if (irq_remapping_enabled) {
+ if (!setup_hpet_msi_remapped(irq, id))
return -1;
}
@@ -3712,8 +3713,8 @@ void __init setup_ioapic_dest(void)
else
mask = apic->target_cpus();
- if (intr_remapping_enabled)
- intr_set_affinity(idata, mask, false);
+ if (irq_remapping_enabled)
+ set_remapped_irq_affinity(idata, mask, false);
else
ioapic_set_affinity(idata, mask, false);
}