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Re: [Qemu-devel] [PATCH V6 1/5] target/i386 : add coalesced pio support
From: |
Vitaly Kuznetsov |
Subject: |
Re: [Qemu-devel] [PATCH V6 1/5] target/i386 : add coalesced pio support |
Date: |
Wed, 17 Oct 2018 17:04:06 +0200 |
Peng Hao <address@hidden> writes:
> 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;
> + };
> };
I was just passing by, but what's the point in keeping 'pad'?
>
> struct kvm_coalesced_mmio {
> __u64 phys_addr;
> __u32 len;
> + unino {
'union' I would guess? How does it compile?
> __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
--
Vitaly
[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