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Date: Fri, 30 Mar 2012 11:47:07 -0700
From: Suresh Siddha <suresh.b.siddha@...el.com>
To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>
Cc: Suresh Siddha <suresh.b.siddha@...el.com>,
linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
Joerg Roedel <joerg.roedel@....com>,
David Woodhouse <dwmw2@...radead.org>,
Alex Williamson <alex.williamson@...hat.com>,
Yinghai Lu <yinghai@...nel.org>
Subject: [PATCH 09/10] 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@...el.com>
Cc: Joerg Roedel <joerg.roedel@....com>
Cc: Yinghai Lu <yinghai@...nel.org>
Cc: David Woodhouse <dwmw2@...radead.org>
Cc: Alex Williamson <alex.williamson@...hat.com>
---
arch/ia64/include/asm/intr_remapping.h | 2 +-
arch/x86/include/asm/intr_remapping.h | 94 ++++++++++++++++----------------
arch/x86/kernel/apic/apic.c | 22 ++++----
arch/x86/kernel/apic/io_apic.c | 41 +++++++-------
drivers/iommu/dmar.c | 8 ++--
drivers/iommu/intel-iommu.c | 2 +-
drivers/iommu/intel_intr_remapping.c | 40 +++++++-------
drivers/iommu/intr_remapping.c | 74 +++++++++++++-------------
drivers/iommu/intr_remapping.h | 10 ++--
9 files changed, 148 insertions(+), 145 deletions(-)
diff --git a/arch/ia64/include/asm/intr_remapping.h b/arch/ia64/include/asm/intr_remapping.h
index 095aa0d..a8687b1 100644
--- a/arch/ia64/include/asm/intr_remapping.h
+++ b/arch/ia64/include/asm/intr_remapping.h
@@ -1,4 +1,4 @@
#ifndef __IA64_INTR_REMAPPING_H
#define __IA64_INTR_REMAPPING_H
-#define intr_remapping_enabled 0
+#define irq_remapping_enabled 0
#endif
diff --git a/arch/x86/include/asm/intr_remapping.h b/arch/x86/include/asm/intr_remapping.h
index a6afd6e..f9cbbcb 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 846f3b6..4246191 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;
@@ -2176,8 +2176,8 @@ 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;
@@ -2193,7 +2193,7 @@ 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
@@ -2243,8 +2243,8 @@ 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 073edd1..abbbcd4 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);
}
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 647e366..ee74f69 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -556,7 +556,7 @@ int __init detect_intel_iommu(void)
dmar = (struct acpi_table_dmar *) dmar_tbl;
- if (ret && intr_remapping_enabled && cpu_has_x2apic &&
+ if (ret && irq_remapping_enabled && cpu_has_x2apic &&
dmar->flags & 0x1)
printk(KERN_INFO
"Queued invalidation will be enabled to support x2apic and Intr-remapping.\n");
@@ -1042,7 +1042,7 @@ static const char *dma_remap_fault_reasons[] =
"non-zero reserved fields in PTE",
};
-static const char *intr_remap_fault_reasons[] =
+static const char *irq_remap_fault_reasons[] =
{
"Detected reserved fields in the decoded interrupt-remapped request",
"Interrupt index exceeded the interrupt-remapping table size",
@@ -1058,9 +1058,9 @@ static const char *intr_remap_fault_reasons[] =
const char *dmar_get_fault_reason(u8 fault_reason, int *fault_type)
{
if (fault_reason >= 0x20 && (fault_reason <= 0x20 +
- ARRAY_SIZE(intr_remap_fault_reasons))) {
+ ARRAY_SIZE(irq_remap_fault_reasons))) {
*fault_type = INTR_REMAP;
- return intr_remap_fault_reasons[fault_reason - 0x20];
+ return irq_remap_fault_reasons[fault_reason - 0x20];
} else if (fault_reason < ARRAY_SIZE(dma_remap_fault_reasons)) {
*fault_type = DMA_REMAP;
return dma_remap_fault_reasons[fault_reason];
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 86b69cf..3c48ce2 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4082,7 +4082,7 @@ static int intel_iommu_domain_has_cap(struct iommu_domain *domain,
if (cap == IOMMU_CAP_CACHE_COHERENCY)
return dmar_domain->iommu_snooping;
if (cap == IOMMU_CAP_INTR_REMAP)
- return intr_remapping_enabled;
+ return irq_remapping_enabled;
return 0;
}
diff --git a/drivers/iommu/intel_intr_remapping.c b/drivers/iommu/intel_intr_remapping.c
index 7472634..efeb601 100644
--- a/drivers/iommu/intel_intr_remapping.c
+++ b/drivers/iommu/intel_intr_remapping.c
@@ -394,7 +394,7 @@ static int set_msi_sid(struct irte *irte, struct pci_dev *dev)
return 0;
}
-static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode)
+static void iommu_set_irq_remapping(struct intel_iommu *iommu, int mode)
{
u64 addr;
u32 sts;
@@ -434,7 +434,7 @@ static void iommu_set_intr_remapping(struct intel_iommu *iommu, int mode)
}
-static int intel_setup_intr_remapping(struct intel_iommu *iommu, int mode)
+static int intel_setup_irq_remapping(struct intel_iommu *iommu, int mode)
{
struct ir_table *ir_table;
struct page *pages;
@@ -457,14 +457,14 @@ static int intel_setup_intr_remapping(struct intel_iommu *iommu, int mode)
ir_table->base = page_address(pages);
- iommu_set_intr_remapping(iommu, mode);
+ iommu_set_irq_remapping(iommu, mode);
return 0;
}
/*
* Disable Interrupt Remapping.
*/
-static void iommu_disable_intr_remapping(struct intel_iommu *iommu)
+static void iommu_disable_irq_remapping(struct intel_iommu *iommu)
{
unsigned long flags;
u32 sts;
@@ -503,11 +503,11 @@ static int __init dmar_x2apic_optout(void)
return dmar->flags & DMAR_X2APIC_OPT_OUT;
}
-static int __init intel_intr_remapping_supported(void)
+static int __init intel_irq_remapping_supported(void)
{
struct dmar_drhd_unit *drhd;
- if (disable_intremap)
+ if (disable_irq_remap)
return 0;
if (!dmar_ir_support())
@@ -523,7 +523,7 @@ static int __init intel_intr_remapping_supported(void)
return 1;
}
-static int __init intel_enable_intr_remapping(void)
+static int __init intel_enable_irq_remapping(void)
{
struct dmar_drhd_unit *drhd;
int setup = 0;
@@ -561,7 +561,7 @@ static int __init intel_enable_intr_remapping(void)
* Disable intr remapping and queued invalidation, if already
* enabled prior to OS handover.
*/
- iommu_disable_intr_remapping(iommu);
+ iommu_disable_irq_remapping(iommu);
dmar_disable_qi(iommu);
}
@@ -607,7 +607,7 @@ static int __init intel_enable_intr_remapping(void)
if (!ecap_ir_support(iommu->ecap))
continue;
- if (intel_setup_intr_remapping(iommu, eim))
+ if (intel_setup_irq_remapping(iommu, eim))
goto error;
setup = 1;
@@ -616,7 +616,7 @@ static int __init intel_enable_intr_remapping(void)
if (!setup)
goto error;
- intr_remapping_enabled = 1;
+ irq_remapping_enabled = 1;
pr_info("Enabled IRQ remapping in %s mode\n", eim ? "x2apic" : "xapic");
return eim ? IRQ_REMAP_X2APIC_MODE : IRQ_REMAP_XAPIC_MODE;
@@ -759,14 +759,14 @@ int __init parse_ioapics_under_ir(void)
int __init ir_dev_scope_init(void)
{
- if (!intr_remapping_enabled)
+ if (!irq_remapping_enabled)
return 0;
return dmar_dev_scope_init();
}
rootfs_initcall(ir_dev_scope_init);
-static void disable_intr_remapping(void)
+static void disable_irq_remapping(void)
{
struct dmar_drhd_unit *drhd;
struct intel_iommu *iommu = NULL;
@@ -778,11 +778,11 @@ static void disable_intr_remapping(void)
if (!ecap_ir_support(iommu->ecap))
continue;
- iommu_disable_intr_remapping(iommu);
+ iommu_disable_irq_remapping(iommu);
}
}
-static int reenable_intr_remapping(int eim)
+static int reenable_irq_remapping(int eim)
{
struct dmar_drhd_unit *drhd;
int setup = 0;
@@ -800,7 +800,7 @@ static int reenable_intr_remapping(int eim)
continue;
/* Set up interrupt remapping for iommu.*/
- iommu_set_intr_remapping(iommu, eim);
+ iommu_set_irq_remapping(iommu, eim);
setup = 1;
}
@@ -1049,11 +1049,11 @@ static int intel_setup_hpet_msi(unsigned int irq, unsigned int id)
}
struct irq_remap_ops intel_irq_remap_ops = {
- .supported = intel_intr_remapping_supported,
- .hardware_init = dmar_table_init,
- .hardware_enable = intel_enable_intr_remapping,
- .hardware_disable = disable_intr_remapping,
- .hardware_reenable = reenable_intr_remapping,
+ .supported = intel_irq_remapping_supported,
+ .prepare = dmar_table_init,
+ .enable = intel_enable_irq_remapping,
+ .disable = disable_irq_remapping,
+ .reenable = reenable_irq_remapping,
.enable_faulting = enable_drhd_fault_handling,
.setup_ioapic_entry = intel_setup_ioapic_entry,
.set_affinity = intel_ioapic_set_affinity,
diff --git a/drivers/iommu/intr_remapping.c b/drivers/iommu/intr_remapping.c
index 9dc1793..523a7b3 100644
--- a/drivers/iommu/intr_remapping.c
+++ b/drivers/iommu/intr_remapping.c
@@ -4,9 +4,9 @@
#include "intr_remapping.h"
-int intr_remapping_enabled;
+int irq_remapping_enabled;
-int disable_intremap;
+int disable_irq_remap;
int disable_sourceid_checking;
int no_x2apic_optout;
@@ -14,21 +14,21 @@ static struct irq_remap_ops *remap_ops;
static __init int setup_nointremap(char *str)
{
- disable_intremap = 1;
+ disable_irq_remap = 1;
return 0;
}
early_param("nointremap", setup_nointremap);
-static __init int setup_intremap(char *str)
+static __init int setup_irqremap(char *str)
{
if (!str)
return -EINVAL;
while (*str) {
if (!strncmp(str, "on", 2))
- disable_intremap = 0;
+ disable_irq_remap = 0;
else if (!strncmp(str, "off", 3))
- disable_intremap = 1;
+ disable_irq_remap = 1;
else if (!strncmp(str, "nosid", 5))
disable_sourceid_checking = 1;
else if (!strncmp(str, "no_x2apic_optout", 16))
@@ -41,16 +41,16 @@ static __init int setup_intremap(char *str)
return 0;
}
-early_param("intremap", setup_intremap);
+early_param("intremap", setup_irqremap);
-void __init setup_intr_remapping(void)
+void __init setup_irq_remapping_ops(void)
{
remap_ops = &intel_irq_remap_ops;
}
-int intr_remapping_supported(void)
+int irq_remapping_supported(void)
{
- if (disable_intremap)
+ if (disable_irq_remap)
return 0;
if (!remap_ops || !remap_ops->supported)
@@ -59,39 +59,39 @@ int intr_remapping_supported(void)
return remap_ops->supported();
}
-int __init intr_hardware_init(void)
+int __init irq_remapping_prepare(void)
{
- if (!remap_ops || !remap_ops->hardware_init)
+ if (!remap_ops || !remap_ops->prepare)
return -ENODEV;
- return remap_ops->hardware_init();
+ return remap_ops->prepare();
}
-int __init intr_hardware_enable(void)
+int __init irq_remapping_enable(void)
{
- if (!remap_ops || !remap_ops->hardware_enable)
+ if (!remap_ops || !remap_ops->enable)
return -ENODEV;
- return remap_ops->hardware_enable();
+ return remap_ops->enable();
}
-void intr_hardware_disable(void)
+void irq_remapping_disable(void)
{
- if (!remap_ops || !remap_ops->hardware_disable)
+ if (!remap_ops || !remap_ops->disable)
return;
- remap_ops->hardware_disable();
+ remap_ops->disable();
}
-int intr_hardware_reenable(int mode)
+int irq_remapping_reenable(int mode)
{
- if (!remap_ops || !remap_ops->hardware_reenable)
+ if (!remap_ops || !remap_ops->reenable)
return 0;
- return remap_ops->hardware_reenable(mode);
+ return remap_ops->reenable(mode);
}
-int __init intr_enable_fault_handling(void)
+int __init irq_remap_enable_fault_handling(void)
{
if (!remap_ops || !remap_ops->enable_faulting)
return -ENODEV;
@@ -99,10 +99,10 @@ int __init intr_enable_fault_handling(void)
return remap_ops->enable_faulting();
}
-int intr_setup_ioapic_entry(int irq,
- struct IO_APIC_route_entry *entry,
- unsigned int destination, int vector,
- struct io_apic_irq_attr *attr)
+int setup_ioapic_remapped_entry(int irq,
+ struct IO_APIC_route_entry *entry,
+ unsigned int destination, int vector,
+ struct io_apic_irq_attr *attr)
{
if (!remap_ops || !remap_ops->setup_ioapic_entry)
return -ENODEV;
@@ -111,8 +111,8 @@ int intr_setup_ioapic_entry(int irq,
vector, attr);
}
-int intr_set_affinity(struct irq_data *data, const struct cpumask *mask,
- bool force)
+int set_remapped_irq_affinity(struct irq_data *data, const struct cpumask *mask,
+ bool force)
{
if (!remap_ops || !remap_ops->set_affinity)
return 0;
@@ -120,7 +120,7 @@ int intr_set_affinity(struct irq_data *data, const struct cpumask *mask,
return remap_ops->set_affinity(data, mask, force);
}
-void intr_free_irq(int irq)
+void free_remapped_irq(int irq)
{
if (!remap_ops || !remap_ops->free_irq)
return;
@@ -128,9 +128,9 @@ void intr_free_irq(int irq)
remap_ops->free_irq(irq);
}
-void intr_compose_msi_msg(struct pci_dev *pdev,
- unsigned int irq, unsigned int dest,
- struct msi_msg *msg, u8 hpet_id)
+void compose_remapped_msi_msg(struct pci_dev *pdev,
+ unsigned int irq, unsigned int dest,
+ struct msi_msg *msg, u8 hpet_id)
{
if (!remap_ops || !remap_ops->compose_msi_msg)
return;
@@ -138,7 +138,7 @@ void intr_compose_msi_msg(struct pci_dev *pdev,
remap_ops->compose_msi_msg(pdev, irq, dest, msg, hpet_id);
}
-int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
+int msi_alloc_remapped_irq(struct pci_dev *pdev, int irq, int nvec)
{
if (!remap_ops || !remap_ops->msi_alloc_irq)
return -ENODEV;
@@ -146,8 +146,8 @@ int intr_msi_alloc_irq(struct pci_dev *pdev, int irq, int nvec)
return remap_ops->msi_alloc_irq(pdev, irq, nvec);
}
-int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
- int index, int sub_handle)
+int msi_setup_remapped_irq(struct pci_dev *pdev, unsigned int irq,
+ int index, int sub_handle)
{
if (!remap_ops || !remap_ops->msi_setup_irq)
return -ENODEV;
@@ -155,7 +155,7 @@ int intr_msi_setup_irq(struct pci_dev *pdev, unsigned int irq,
return remap_ops->msi_setup_irq(pdev, irq, index, sub_handle);
}
-int intr_setup_hpet_msi(unsigned int irq, unsigned int id)
+int setup_hpet_msi_remapped(unsigned int irq, unsigned int id)
{
if (!remap_ops || !remap_ops->setup_hpet_msi)
return -ENODEV;
diff --git a/drivers/iommu/intr_remapping.h b/drivers/iommu/intr_remapping.h
index 6f4ea0a..bd5d98f 100644
--- a/drivers/iommu/intr_remapping.h
+++ b/drivers/iommu/intr_remapping.h
@@ -31,7 +31,7 @@ struct cpumask;
struct pci_dev;
struct msi_msg;
-extern int disable_intremap;
+extern int disable_irq_remap;
extern int disable_sourceid_checking;
extern int no_x2apic_optout;
@@ -40,16 +40,16 @@ struct irq_remap_ops {
int (*supported)(void);
/* Initializes hardware and makes it ready for remapping interrupts */
- int (*hardware_init)(void);
+ int (*prepare)(void);
/* Enables the remapping hardware */
- int (*hardware_enable)(void);
+ int (*enable)(void);
/* Disables the remapping hardware */
- void (*hardware_disable)(void);
+ void (*disable)(void);
/* Reenables the remapping hardware */
- int (*hardware_reenable)(int);
+ int (*reenable)(int);
/* Enable fault handling */
int (*enable_faulting)(void);
--
1.7.6.5
--
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