diff options
| author | Jiang Liu <jiang.liu@linux.intel.com> | 2015-04-13 09:11:43 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-24 16:36:50 +0300 |
| commit | 49e07d8f28c05347f237146a9ec66f6d958db83e (patch) | |
| tree | 5d121735cd4785400eb7f7d9f7533c10e805dd2b /arch/x86/include/asm/hw_irq.h | |
| parent | 0921f1da6425f05a1f56803069124b7ec13b79e2 (diff) | |
| download | linux-49e07d8f28c05347f237146a9ec66f6d958db83e.tar.xz | |
x86/htirq: Use hierarchical irqdomain to manage Hypertransport interrupts
We have slightly changed the architecture interfaces to support htirq
PCI driver. It's safe because currently Hypertransport interrupt is
only enabled on x86 platforms.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Cc: Sander Eikelenboom <linux@eikelenboom.it>
Cc: David Vrabel <david.vrabel@citrix.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Link: http://lkml.kernel.org/r/1428905519-23704-22-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index bf1725047c27..5e0b031d1a7d 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -161,6 +161,14 @@ struct irq_alloc_info { void *dmar_data; }; #endif +#ifdef CONFIG_HT_IRQ + struct { + int ht_pos; + int ht_idx; + struct pci_dev *ht_dev; + void *ht_update; + }; +#endif }; }; @@ -227,6 +235,11 @@ extern void arch_init_msi_domain(struct irq_domain *domain); #else static inline void arch_init_msi_domain(struct irq_domain *domain) { } #endif +#ifdef CONFIG_HT_IRQ +extern void arch_init_htirq_domain(struct irq_domain *domain); +#else +static inline void arch_init_htirq_domain(struct irq_domain *domain) { } +#endif /* Statistics */ extern atomic_t irq_err_count; |