Commit 8643e28d authored by Jiang Liu's avatar Jiang Liu Committed by Thomas Gleixner
Browse files

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: default avatarJiang 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: default avatarThomas Gleixner <tglx@linutronix.de>
parent c3468952
......@@ -159,39 +159,6 @@ 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;
......
......@@ -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; }
......
......@@ -3023,6 +3023,16 @@ 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)
{
......
......@@ -28,6 +28,7 @@
#include <asm/nmi.h>
#include <asm/hw_irq.h>
#include <asm/apic.h>
#include <asm/io_apic.h>
#include <asm/hpet.h>
#include <linux/kdebug.h>
#include <asm/cpu.h>
......
......@@ -20,6 +20,7 @@
#include <asm/tlbflush.h>
#include <asm/mmu_context.h>
#include <asm/apic.h>
#include <asm/io_apic.h>
#include <asm/cpufeature.h>
#include <asm/desc.h>
#include <asm/cacheflush.h>
......
......@@ -22,6 +22,7 @@
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <asm/mmu_context.h>
#include <asm/io_apic.h>
#include <asm/debugreg.h>
#include <asm/kexec-bzimage64.h>
......
......@@ -12,6 +12,7 @@
#include <acpi/reboot.h>
#include <asm/io.h>
#include <asm/apic.h>
#include <asm/io_apic.h>
#include <asm/desc.h>
#include <asm/hpet.h>
#include <asm/pgtable.h>
......
......@@ -36,6 +36,7 @@
#include <linux/wait.h>
#include "../pci.h"
#include <asm/pci_x86.h> /* for struct irq_routing_table */
#include <asm/io_apic.h>
#include "ibmphp.h"
#define attn_on(sl) ibmphp_hpc_writeslot (sl, HPC_SLOT_ATTNON)
......
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