From: Peng Hao <peng.hao2@zte.com.cn>
To: pbonzini@redhat.com, rkrcmar@redhat.com, stefanha@gmail.com
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Peng Hao <peng.hao2@zte.com.cn>
Subject: [RESEND PATCH V6 1/5] target/i386 : add coalesced pio support
Date: Fri, 19 Oct 2018 03:43:35 +0800 [thread overview]
Message-ID: <1539891815-30605-1-git-send-email-peng.hao2@zte.com.cn> (raw)
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 ++--
| 11 +++++++++--
2 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 799966f..7724055 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -538,7 +538,7 @@ 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);
}
@@ -555,7 +555,7 @@ 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);
}
--git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index 83ba4eb..670a3d1 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;
- __u32 pad;
+ union {
+ __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 162
#ifdef KVM_CAP_IRQ_ROUTING
--
1.8.3.1
reply other threads:[~2018-10-18 11:32 UTC|newest]
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