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| author | Jiang Liu <jiang.liu@linux.intel.com> | 2015-04-13 14:11:55 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-24 15:36:51 +0200 |
| commit | 49c7e60022912d10da88ba67e8eb2927f1143f6a (patch) | |
| tree | 7c539f35485d4d4345c0f23cb7de1e872f21df68 /arch/x86/include/asm/io_apic.h | |
| parent | c4d05a2c354b15965c9b2a5f46016a5d9f43e224 (diff) | |
| download | linux-0-day-49c7e60022912d10da88ba67e8eb2927f1143f6a.tar.gz linux-0-day-49c7e60022912d10da88ba67e8eb2927f1143f6a.tar.xz | |
x86/irq: Implement callbacks to enable hierarchical irqdomains on IOAPICs
Implement required callbacks to prepare for enabling hierarchical
irqdomains on IOAPICs. After the conversion we can remove quite some
code from the old implementation.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Tested-by: Joerg Roedel <jroedel@suse.de>
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>
Cc: Jan Beulich <JBeulich@suse.com>
Cc: Grant Likely <grant.likely@linaro.org>
Link: http://lkml.kernel.org/r/1428905519-23704-34-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.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h index 1fbeda50a77dd..ecc192624eaf3 100644 --- a/arch/x86/include/asm/io_apic.h +++ b/arch/x86/include/asm/io_apic.h @@ -96,6 +96,7 @@ struct IR_IO_APIC_route_entry { } __attribute__ ((packed)); struct irq_alloc_info; +struct irq_data; #define IOAPIC_AUTO -1 #define IOAPIC_EDGE 0 @@ -206,6 +207,15 @@ extern int mp_ioapic_registered(u32 gsi_base); extern int mp_irqdomain_map(struct irq_domain *domain, unsigned int virq, irq_hw_number_t hwirq); extern void mp_irqdomain_unmap(struct irq_domain *domain, unsigned int virq); +extern int mp_irqdomain_alloc(struct irq_domain *domain, unsigned int virq, + unsigned int nr_irqs, void *arg); +extern void mp_irqdomain_free(struct irq_domain *domain, unsigned int virq, + unsigned int nr_irqs); +extern void mp_irqdomain_activate(struct irq_domain *domain, + struct irq_data *irq_data); +extern void mp_irqdomain_deactivate(struct irq_domain *domain, + struct irq_data *irq_data); +extern int mp_irqdomain_ioapic_idx(struct irq_domain *domain); extern void ioapic_set_alloc_attr(struct irq_alloc_info *info, int node, int trigger, int polarity); extern int mp_set_gsi_attr(u32 gsi, int trigger, int polarity, int node); |