[Qemu-devel] [PATCH V4 1/4] target-i386: introduce coalesced_pio kvm header update

Peng Hao posted 4 patches 7 years, 2 months ago
There is a newer version of this series
[Qemu-devel] [PATCH V4 1/4] target-i386: introduce coalesced_pio kvm header update
Posted by Peng Hao 7 years, 2 months ago
add coalesced_pio's struct and KVM_CAP_COALESCED_PIO header.

Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
---
 accel/kvm/kvm-all.c       | 4 ++--
 linux-headers/linux/kvm.h | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index eb7db92..4a3909d 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -536,7 +536,7 @@ 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);
     }
@@ -553,7 +553,7 @@ 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 98f389a..747b473 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -420,13 +420,13 @@ struct kvm_run {
 struct kvm_coalesced_mmio_zone {
 	__u64 addr;
 	__u32 size;
-	__u32 pad;
+	__u32 pio;
 };
 
 struct kvm_coalesced_mmio {
 	__u64 phys_addr;
 	__u32 len;
-	__u32 pad;
+	__u32 pio;
 	__u8  data[8];
 };
 
@@ -949,6 +949,7 @@ struct kvm_ppc_resize_hpt {
 #define KVM_CAP_GET_MSR_FEATURES 153
 #define KVM_CAP_HYPERV_EVENTFD 154
 #define KVM_CAP_HYPERV_TLBFLUSH 155
+#define KVM_CAP_COALESCED_PIO 156
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
-- 
1.8.3.1


Re: [Qemu-devel] [PATCH V4 1/4] target-i386: introduce coalesced_pio kvm header update
Posted by Eduardo Habkost 7 years, 2 months ago
On Sat, Aug 25, 2018 at 08:19:47PM +0800, Peng Hao wrote:
> add coalesced_pio's struct and KVM_CAP_COALESCED_PIO header.
> 
> Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>

What's the status of the corresponding KVM header patch?


> ---
>  accel/kvm/kvm-all.c       | 4 ++--
>  linux-headers/linux/kvm.h | 5 +++--
>  2 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
> index eb7db92..4a3909d 100644
> --- a/accel/kvm/kvm-all.c
> +++ b/accel/kvm/kvm-all.c
> @@ -536,7 +536,7 @@ 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);
>      }
> @@ -553,7 +553,7 @@ 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 98f389a..747b473 100644
> --- a/linux-headers/linux/kvm.h
> +++ b/linux-headers/linux/kvm.h
> @@ -420,13 +420,13 @@ struct kvm_run {
>  struct kvm_coalesced_mmio_zone {
>  	__u64 addr;
>  	__u32 size;
> -	__u32 pad;
> +	__u32 pio;
>  };
>  
>  struct kvm_coalesced_mmio {
>  	__u64 phys_addr;
>  	__u32 len;
> -	__u32 pad;
> +	__u32 pio;
>  	__u8  data[8];
>  };
>  
> @@ -949,6 +949,7 @@ struct kvm_ppc_resize_hpt {
>  #define KVM_CAP_GET_MSR_FEATURES 153
>  #define KVM_CAP_HYPERV_EVENTFD 154
>  #define KVM_CAP_HYPERV_TLBFLUSH 155
> +#define KVM_CAP_COALESCED_PIO 156
>  
>  #ifdef KVM_CAP_IRQ_ROUTING
>  
> -- 
> 1.8.3.1
> 

-- 
Eduardo

Re: [Qemu-devel] [PATCH V4 1/4] target-i386: introduce coalesced_pio kvm header update
Posted by Radim Krčmář 7 years, 2 months ago
2018-08-28 11:58-0300, Eduardo Habkost:
> On Sat, Aug 25, 2018 at 08:19:47PM +0800, Peng Hao wrote:
> > add coalesced_pio's struct and KVM_CAP_COALESCED_PIO header.
> > 
> > Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
> 
> What's the status of the corresponding KVM header patch?

I got a minor request to improve compatibility and although the series
has missed the kernel merge window, we can reserve the capability number
within a week.