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| author | Joerg Roedel <joerg.roedel@amd.com> | 2012-03-30 11:47:05 -0700 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2012-05-07 14:35:00 +0200 |
| commit | 5e2b930b0784a30c98dee8e9d79c1f84c31f7209 (patch) | |
| tree | fae90c6dd23adf8d154ddd20492bf2efb61e1c29 /drivers/iommu/intr_remapping.h | |
| parent | 9d619f65722236e0e0c35467d1528caed206e439 (diff) | |
| download | linux-5e2b930b0784a30c98dee8e9d79c1f84c31f7209.tar.bz2 | |
iommu/vt-d: Convert MSI remapping setup to remap_ops
This patch introduces remapping-ops for setting ups MSI
interrupts.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/iommu/intr_remapping.h')
| -rw-r--r-- | drivers/iommu/intr_remapping.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/iommu/intr_remapping.h b/drivers/iommu/intr_remapping.h index 57485539383d..6f4ea0a387b1 100644 --- a/drivers/iommu/intr_remapping.h +++ b/drivers/iommu/intr_remapping.h @@ -28,6 +28,8 @@ struct IO_APIC_route_entry; struct io_apic_irq_attr; struct irq_data; struct cpumask; +struct pci_dev; +struct msi_msg; extern int disable_intremap; extern int disable_sourceid_checking; @@ -63,6 +65,20 @@ struct irq_remap_ops { /* Free an IRQ */ int (*free_irq)(int); + + /* Create MSI msg to use for interrupt remapping */ + void (*compose_msi_msg)(struct pci_dev *, + unsigned int, unsigned int, + struct msi_msg *, u8); + + /* Allocate remapping resources for MSI */ + int (*msi_alloc_irq)(struct pci_dev *, int, int); + + /* Setup the remapped MSI irq */ + int (*msi_setup_irq)(struct pci_dev *, unsigned int, int, int); + + /* Setup interrupt remapping for an HPET MSI */ + int (*setup_hpet_msi)(unsigned int, unsigned int); }; extern struct irq_remap_ops intel_irq_remap_ops; |