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[Qemu-devel] [PATCH V6 1/5] target/i386 : add coalesced pio support
From: |
Peng Hao |
Subject: |
[Qemu-devel] [PATCH V6 1/5] target/i386 : add coalesced pio support |
Date: |
Thu, 18 Oct 2018 00:52:53 +0800 |
add coalesced_pio's struct and KVM_CAP_COALESCED_PIO header.
Signed-off-by: Peng Hao <address@hidden>
---
accel/kvm/kvm-all.c | 4 ++--
linux-headers/linux/kvm.h | 9 ++++++++-
2 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index de12f78..29d208d 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -537,7 +537,7 @@ static void kvm_coalesce_mmio_region(MemoryListener
*listener,
zone.addr = start;
zone.size = size;
- zone.pad = 0;
+ zone.pio = 0;
(void)kvm_vm_ioctl(s, KVM_REGISTER_COALESCED_MMIO, &zone);
}
@@ -554,7 +554,7 @@ static void kvm_uncoalesce_mmio_region(MemoryListener
*listener,
zone.addr = start;
zone.size = size;
- zone.pad = 0;
+ zone.pio = 0;
(void)kvm_vm_ioctl(s, KVM_UNREGISTER_COALESCED_MMIO, &zone);
}
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 83ba4eb..b5d4289 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -420,13 +420,19 @@ struct kvm_run {
struct kvm_coalesced_mmio_zone {
__u64 addr;
__u32 size;
- __u32 pad;
+ union {
+ __u32 pad;
+ __u32 pio;
+ };
};
struct kvm_coalesced_mmio {
__u64 phys_addr;
__u32 len;
+ unino {
__u32 pad;
+ __u32 pio;
+ };
__u8 data[8];
};
@@ -953,6 +959,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_NESTED_STATE 157
#define KVM_CAP_ARM_INJECT_SERROR_ESR 158
#define KVM_CAP_MSR_PLATFORM_INFO 159
+#define KVM_CAP_COALESCED_PIO 160
#ifdef KVM_CAP_IRQ_ROUTING
--
1.8.3.1
[Qemu-devel] [PATCH V6 2/5] target-i386 : add coalesced_pio API, Peng Hao, 2018/10/17
[Qemu-devel] [PATCH V6 4/5] target-i386: add i440fx 0xcf8 port as coalesced_pio, Peng Hao, 2018/10/17