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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 17:11:17 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-28 17:11:17 -0700 |
| commit | 18cb657ca1bafe635f368346a1676fb04c512edf (patch) | |
| tree | b0eb6a4ceddf98e7bf820be7ff24bf131ff56b0c /include/xen/events.h | |
| parent | 2301b65b86df8b80e6779ce9885ad62a5c4adc38 (diff) | |
| parent | e28c31a96b1570f17731b18e8efabb7308d0c22c (diff) | |
Merge branch 'stable/xen-pcifront-0.8.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
and branch 'for-linus' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm
* 'for-linus' of git://xenbits.xen.org/people/sstabellini/linux-pvhvm:
xen: register xen pci notifier
xen: initialize cpu masks for pv guests in xen_smp_init
xen: add a missing #include to arch/x86/pci/xen.c
xen: mask the MTRR feature from the cpuid
xen: make hvc_xen console work for dom0.
xen: add the direct mapping area for ISA bus access
xen: Initialize xenbus for dom0.
xen: use vcpu_ops to setup cpu masks
xen: map a dummy page for local apic and ioapic in xen_set_fixmap
xen: remap MSIs into pirqs when running as initial domain
xen: remap GSIs as pirqs when running as initial domain
xen: introduce XEN_DOM0 as a silent option
xen: map MSIs into pirqs
xen: support GSI -> pirq remapping in PV on HVM guests
xen: add xen hvm acpi_register_gsi variant
acpi: use indirect call to register gsi in different modes
xen: implement xen_hvm_register_pirq
xen: get the maximum number of pirqs from xen
xen: support pirq != irq
* 'stable/xen-pcifront-0.8.2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (27 commits)
X86/PCI: Remove the dependency on isapnp_disable.
xen: Update Makefile with CONFIG_BLOCK dependency for biomerge.c
MAINTAINERS: Add myself to the Xen Hypervisor Interface and remove Chris Wright.
x86: xen: Sanitse irq handling (part two)
swiotlb-xen: On x86-32 builts, select SWIOTLB instead of depending on it.
MAINTAINERS: Add myself for Xen PCI and Xen SWIOTLB maintainer.
xen/pci: Request ACS when Xen-SWIOTLB is activated.
xen-pcifront: Xen PCI frontend driver.
xenbus: prevent warnings on unhandled enumeration values
xenbus: Xen paravirtualised PCI hotplug support.
xen/x86/PCI: Add support for the Xen PCI subsystem
x86: Introduce x86_msi_ops
msi: Introduce default_[teardown|setup]_msi_irqs with fallback.
x86/PCI: Export pci_walk_bus function.
x86/PCI: make sure _PAGE_IOMAP it set on pci mappings
x86/PCI: Clean up pci_cache_line_size
xen: fix shared irq device passthrough
xen: Provide a variant of xen_poll_irq with timeout.
xen: Find an unbound irq number in reverse order (high to low).
xen: statically initialize cpu_evtchn_mask_p
...
Fix up trivial conflicts in drivers/pci/Makefile
Diffstat (limited to 'include/xen/events.h')
| -rw-r--r-- | include/xen/events.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/xen/events.h b/include/xen/events.h index a15d93262e30..646dd17d3aa4 100644 --- a/include/xen/events.h +++ b/include/xen/events.h @@ -12,6 +12,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn, irq_handler_t handler, unsigned long irqflags, const char *devname, void *dev_id); +int bind_virq_to_irq(unsigned int virq, unsigned int cpu); int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu, irq_handler_t handler, unsigned long irqflags, const char *devname, @@ -53,6 +54,10 @@ bool xen_test_irq_pending(int irq); irq will be disabled so it won't deliver an interrupt. */ void xen_poll_irq(int irq); +/* Poll waiting for an irq to become pending with a timeout. In the usual case, + * the irq will be disabled so it won't deliver an interrupt. */ +void xen_poll_irq_timeout(int irq, u64 timeout); + /* Determine the IRQ which is bound to an event channel */ unsigned irq_from_evtchn(unsigned int evtchn); @@ -63,4 +68,25 @@ int xen_set_callback_via(uint64_t via); void xen_evtchn_do_upcall(struct pt_regs *regs); void xen_hvm_evtchn_do_upcall(void); +/* Allocate an irq for a physical interrupt, given a gsi. "Legacy" + * GSIs are identity mapped; others are dynamically allocated as + * usual. */ +int xen_allocate_pirq(unsigned gsi, int shareable, char *name); +int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name); + +#ifdef CONFIG_PCI_MSI +/* Allocate an irq and a pirq to be used with MSIs. */ +void xen_allocate_pirq_msi(char *name, int *irq, int *pirq); +int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type); +#endif + +/* De-allocates the above mentioned physical interrupt. */ +int xen_destroy_irq(int irq); + +/* Return vector allocated to pirq */ +int xen_vector_from_irq(unsigned pirq); + +/* Return gsi allocated to pirq */ +int xen_gsi_from_irq(unsigned pirq); + #endif /* _XEN_EVENTS_H */ |
