diff options
| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2010-10-06 16:12:28 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2010-10-18 10:49:34 -0400 |
| commit | 294ee6f89cfd629e276f632a6003a0fad7785dce (patch) | |
| tree | d72a0ebf5fe371f22a9e8b7b24880d4758255121 /arch/x86/include/asm/x86_init.h | |
| parent | 1525bf0d8f059a38c6e79353583854e1981b2e67 (diff) | |
x86: Introduce x86_msi_ops
Introduce an x86 specific indirect mechanism to setup MSIs.
The MSI setup functions become function pointers in an x86_msi_ops
struct, that defaults to the implementation in io_apic.c and msi.c.
[v2: Use HAVE_DEFAULT_* knobs]
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: x86@kernel.org
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index baa579c8e03..64642ad019f 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -154,9 +154,18 @@ struct x86_platform_ops { int (*i8042_detect)(void); }; +struct pci_dev; + +struct x86_msi_ops { + int (*setup_msi_irqs)(struct pci_dev *dev, int nvec, int type); + void (*teardown_msi_irq)(unsigned int irq); + void (*teardown_msi_irqs)(struct pci_dev *dev); +}; + extern struct x86_init_ops x86_init; extern struct x86_cpuinit_ops x86_cpuinit; extern struct x86_platform_ops x86_platform; +extern struct x86_msi_ops x86_msi; extern void x86_init_noop(void); extern void x86_init_uint_noop(unsigned int unused); |