summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/io_apic.h
diff options
context:
space:
mode:
authorJiang Liu <jiang.liu@linux.intel.com>2014-10-27 16:12:04 +0800
committerThomas Gleixner <tglx@linutronix.de>2014-12-16 14:08:17 +0100
commit8643e28da27d6d50f772409b8dc80bdab52239fb (patch)
tree032b4b2c9136b8f33e14c7e6c50fcba7982c4635 /arch/x86/include/asm/io_apic.h
parentc3468952f073a9d4efa1e60c04c6e640ed9cf9d0 (diff)
downloadblackbird-obmc-linux-8643e28da27d6d50f772409b8dc80bdab52239fb.tar.gz
blackbird-obmc-linux-8643e28da27d6d50f772409b8dc80bdab52239fb.zip
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@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: H. Peter Anvin <hpa@linux.intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Baoquan He <bhe@redhat.com> Cc: Matt Fleming <matt.fleming@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: Aubrey <aubrey.li@linux.intel.com> Cc: Ryan Desfosses <ryan@desfo.org> Cc: Quentin Lambert <lambert.quentin@gmail.com> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Link: http://lkml.kernel.org/r/1414397531-28254-14-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/io_apic.h')
-rw-r--r--arch/x86/include/asm/io_apic.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index bdd45c25023a..b7f1499d177f 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,
@@ -226,11 +236,19 @@ 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 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; }
OpenPOWER on IntegriCloud