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hv: Use Interrupt Remapping format for programming interrupt sources

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When a corresponding IOMMU is found for the device, this patch adds
support to program Interrupt Remapping hardware RTEs and the original
interrupt sources (MSI or IOAPIC) with IR format.

Tracked-On: #2426
Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Reviewed-by: Binbin Wu <binbin.wu@intel.com>
This commit is contained in:
Sainath Grandhi
2019-01-15 12:51:25 -08:00
committed by Eddie Dong
parent 7104f0a512
commit 970821462b
9 changed files with 350 additions and 25 deletions
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28
hypervisor/include/common/ptdev.h
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@@ -23,6 +23,24 @@ union source_id (name) = {.msi_id = {.bdf = (a), .entry_nr = (b)} }
#define DEFINE_IOAPIC_SID(name, a, b) \
union source_id (name) = {.intx_id = {.pin = (a), .src = (b)} }
union source {
uint16_t ioapic_id;
union pci_bdf msi;
};
struct intr_source {
bool is_msi;
union source src;
};
union irte_index {
uint16_t index;
struct {
uint16_t index_low:15;
uint16_t index_high:1;
} bits __packed;
};
union source_id {
uint64_t value;
struct {
@@ -56,6 +74,16 @@ union msi_addr_reg {
uint32_t addr_base:12;
uint32_t hi_32;
} bits __packed;
struct {
uint32_t rsvd_1:2;
uint32_t intr_index_high:1;
uint32_t shv:1;
uint32_t intr_format:1;
uint32_t intr_index_low:15;
uint32_t constant:12;
uint32_t hi_32;
} ir_bits __packed;
};
/*