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authorWei Liu <wei.liu@kernel.org>2021-02-03 15:04:31 +0000
committerWei Liu <wei.liu@kernel.org>2021-02-11 08:47:06 +0000
commitb59fb7b60d47b2af3a114daf0ae198aa23921698 (patch)
treef5f60b6854f5947c64f6ba4a62661f163d212c50 /include/asm-generic
parentd589ae61bc27b2b9aaac0bf20a9077b6fbda32b6 (diff)
downloadlinux-b59fb7b60d47b2af3a114daf0ae198aa23921698.tar.bz2
asm-generic/hyperv: update hv_interrupt_entry
We will soon use the same structure to handle IO-APIC interrupts as well. Introduce an enum to identify the source and a data structure for IO-APIC RTE. While at it, update pci-hyperv.c to use the enum. No functional change. Signed-off-by: Wei Liu <wei.liu@kernel.org> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Link: https://lore.kernel.org/r/20210203150435.27941-13-wei.liu@kernel.org
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/hyperv-tlfs.h36
1 files changed, 34 insertions, 2 deletions
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h
index 8ac797e6a91a..723f487f3edc 100644
--- a/include/asm-generic/hyperv-tlfs.h
+++ b/include/asm-generic/hyperv-tlfs.h
@@ -481,6 +481,11 @@ struct hv_create_vp {
u64 flags;
} __packed;
+enum hv_interrupt_source {
+ HV_INTERRUPT_SOURCE_MSI = 1, /* MSI and MSI-X */
+ HV_INTERRUPT_SOURCE_IOAPIC,
+};
+
union hv_msi_address_register {
u32 as_uint32;
struct {
@@ -514,10 +519,37 @@ union hv_msi_entry {
} __packed;
};
+union hv_ioapic_rte {
+ u64 as_uint64;
+
+ struct {
+ u32 vector:8;
+ u32 delivery_mode:3;
+ u32 destination_mode:1;
+ u32 delivery_status:1;
+ u32 interrupt_polarity:1;
+ u32 remote_irr:1;
+ u32 trigger_mode:1;
+ u32 interrupt_mask:1;
+ u32 reserved1:15;
+
+ u32 reserved2:24;
+ u32 destination_id:8;
+ };
+
+ struct {
+ u32 low_uint32;
+ u32 high_uint32;
+ };
+} __packed;
+
struct hv_interrupt_entry {
- u32 source; /* 1 for MSI(-X) */
+ u32 source;
u32 reserved1;
- union hv_msi_entry msi_entry;
+ union {
+ union hv_msi_entry msi_entry;
+ union hv_ioapic_rte ioapic_rte;
+ };
} __packed;
/*