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Message-Id: <1410423905-26239-13-git-send-email-jiang.liu@linux.intel.com>
Date: Thu, 11 Sep 2014 16:24:59 +0800
From: Jiang Liu <jiang.liu@...ux.intel.com>
To: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Randy Dunlap <rdunlap@...radead.org>,
Yinghai Lu <yinghai@...nel.org>,
Borislav Petkov <bp@...en8.de>,
Grant Likely <grant.likely@...aro.org>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>,
Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Tony Luck <tony.luck@...el.com>,
Joerg Roedel <joro@...tes.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
x86@...nel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: [RFC Part1 v1 12/18] x86, irq: Move IOAPIC related declarations from hw_irq.h into io_apic.h
Clean up code by moving IOAPIC related declarations from hw_irq.h into
io_apic.h.
Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
arch/x86/include/asm/hw_irq.h | 33 ---------------------------------
arch/x86/include/asm/io_apic.h | 23 ++++++++++++++++++++---
arch/x86/kernel/apic/io_apic.c | 10 ++++++++++
3 files changed, 30 insertions(+), 36 deletions(-)
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index dca760e9cd12..7624fffc2822 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -154,39 +154,6 @@ static inline void lock_vector_lock(void) {}
static inline void unlock_vector_lock(void) {}
#endif /* CONFIG_X86_LOCAL_APIC */
-/* IOAPIC */
-#ifdef CONFIG_X86_IO_APIC
-struct io_apic_irq_attr {
- int ioapic;
- int ioapic_pin;
- int trigger;
- int polarity;
-};
-
-static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr,
- int ioapic, int ioapic_pin,
- int trigger, int polarity)
-{
- irq_attr->ioapic = ioapic;
- irq_attr->ioapic_pin = ioapic_pin;
- irq_attr->trigger = trigger;
- irq_attr->polarity = polarity;
-}
-
-extern void setup_IO_APIC(void);
-extern void enable_IO_APIC(void);
-extern void disable_IO_APIC(void);
-extern void setup_ioapic_dest(void);
-extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin);
-extern void print_IO_APICs(void);
-
-extern unsigned long io_apic_irqs;
-#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1 << (x)) & io_apic_irqs))
-#else /* CONFIG_X86_IO_APIC */
-#define IO_APIC_IRQ(x) 0
-static inline void print_IO_APICs(void) {}
-#endif /* CONFIG_X86_IO_APIC */
-
/* Statistics */
extern atomic_t irq_err_count;
extern atomic_t irq_mis_count;
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index a2245cb5ca3f..533803dc3733 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -132,6 +132,10 @@ extern int noioapicquirk;
/* -1 if "noapic" boot option passed */
extern int noioapicreroute;
+extern unsigned long io_apic_irqs;
+
+#define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1 << (x)) & io_apic_irqs))
+
/*
* If we use the IO-APIC for IRQ routing, disable automatic
* assignment of PCI IRQ's.
@@ -139,7 +143,6 @@ extern int noioapicreroute;
#define io_apic_assign_pci_irqs \
(mp_irq_entries && !skip_ioapic_setup && io_apic_irqs)
-struct io_apic_irq_attr;
struct irq_cfg;
extern void ioapic_insert_resources(void);
@@ -157,6 +160,13 @@ extern int restore_ioapic_entries(void);
extern void setup_ioapic_ids_from_mpc(void);
extern void setup_ioapic_ids_from_mpc_nocheck(void);
+struct io_apic_irq_attr {
+ int ioapic;
+ int ioapic_pin;
+ int trigger;
+ int polarity;
+};
+
enum ioapic_domain_type {
IOAPIC_DOMAIN_INVALID,
IOAPIC_DOMAIN_LEGACY,
@@ -196,6 +206,7 @@ extern int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node);
extern void __init pre_init_apic_IRQ0(void);
extern void mp_save_irq(struct mpc_intsrc *m);
+extern bool mp_should_keep_irq(struct device *dev);
extern void disable_ioapic_support(void);
@@ -226,13 +237,19 @@ static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned
extern void io_apic_eoi(unsigned int apic, unsigned int vector);
-extern bool mp_should_keep_irq(struct device *dev);
-
+extern void setup_IO_APIC(void);
+extern void enable_IO_APIC(void);
+extern void disable_IO_APIC(void);
+extern void setup_ioapic_dest(void);
+extern int IO_APIC_get_PCI_irq_vector(int bus, int devfn, int pin);
+extern void print_IO_APICs(void);
#else /* !CONFIG_X86_IO_APIC */
+#define IO_APIC_IRQ(x) 0
#define io_apic_assign_pci_irqs 0
#define setup_ioapic_ids_from_mpc x86_init_noop
static inline void ioapic_insert_resources(void) { }
+static inline void print_IO_APICs(void) {}
#define gsi_top (NR_IRQS_LEGACY)
static inline int mp_find_ioapic(u32 gsi) { return 0; }
static inline u32 mp_pin_to_gsi(int ioapic, int pin) { return UINT_MAX; }
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index bca60cd61950..e2b3e8b40fcb 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3014,6 +3014,16 @@ int mp_ioapic_registered(u32 gsi_base)
return 0;
}
+static inline void set_io_apic_irq_attr(struct io_apic_irq_attr *irq_attr,
+ int ioapic, int ioapic_pin,
+ int trigger, int polarity)
+{
+ irq_attr->ioapic = ioapic;
+ irq_attr->ioapic_pin = ioapic_pin;
+ irq_attr->trigger = trigger;
+ irq_attr->polarity = polarity;
+}
+
int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq,
irq_hw_number_t hwirq)
{
--
1.7.10.4
--
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