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authorMark Maule <maule@sgi.com>2006-04-10 21:17:48 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 11:59:58 -0700
commitfd58e55fcf5568e51da2ed54d7acd049c3fdb184 (patch)
tree2cf41864d66b8db39f637549d4652c7664256155 /include/asm-ia64/machvec.h
parentc34b4c734482dda750deb6089521f7c891b48736 (diff)
downloadop-kernel-dev-fd58e55fcf5568e51da2ed54d7acd049c3fdb184.zip
op-kernel-dev-fd58e55fcf5568e51da2ed54d7acd049c3fdb184.tar.gz
[PATCH] PCI: msi abstractions and support for altix
Abstract portions of the MSI core for platforms that do not use standard APIC interrupt controllers. This is implemented through a new arch-specific msi setup routine, and a set of msi ops which can be set on a per platform basis. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/asm-ia64/machvec.h')
-rw-r--r--include/asm-ia64/machvec.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/asm-ia64/machvec.h b/include/asm-ia64/machvec.h
index 0df72a1..15b545a 100644
--- a/include/asm-ia64/machvec.h
+++ b/include/asm-ia64/machvec.h
@@ -75,6 +75,7 @@ typedef unsigned char ia64_mv_readb_relaxed_t (const volatile void __iomem *);
typedef unsigned short ia64_mv_readw_relaxed_t (const volatile void __iomem *);
typedef unsigned int ia64_mv_readl_relaxed_t (const volatile void __iomem *);
typedef unsigned long ia64_mv_readq_relaxed_t (const volatile void __iomem *);
+typedef int ia64_mv_msi_init_t (void);
static inline void
machvec_noop (void)
@@ -153,6 +154,7 @@ extern void machvec_tlb_migrate_finish (struct mm_struct *);
# define platform_readl_relaxed ia64_mv.readl_relaxed
# define platform_readq_relaxed ia64_mv.readq_relaxed
# define platform_migrate ia64_mv.migrate
+# define platform_msi_init ia64_mv.msi_init
# endif
/* __attribute__((__aligned__(16))) is required to make size of the
@@ -202,6 +204,7 @@ struct ia64_machine_vector {
ia64_mv_readl_relaxed_t *readl_relaxed;
ia64_mv_readq_relaxed_t *readq_relaxed;
ia64_mv_migrate_t *migrate;
+ ia64_mv_msi_init_t *msi_init;
} __attribute__((__aligned__(16))); /* align attrib? see above comment */
#define MACHVEC_INIT(name) \
@@ -247,6 +250,7 @@ struct ia64_machine_vector {
platform_readl_relaxed, \
platform_readq_relaxed, \
platform_migrate, \
+ platform_msi_init, \
}
extern struct ia64_machine_vector ia64_mv;
@@ -400,5 +404,8 @@ extern int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size
#ifndef platform_migrate
# define platform_migrate machvec_noop_task
#endif
+#ifndef platform_msi_init
+# define platform_msi_init ((ia64_mv_msi_init_t*)NULL)
+#endif
#endif /* _ASM_IA64_MACHVEC_H */
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