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Subject[PATCH 03/43] KVM: Split IOAPIC structure
Date
From: Sheng Yang <sheng@linux.intel.com>

Prepared for reuse ioapic_redir_entry for MSI.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
include/linux/kvm_types.h | 17 +++++++++++++++++
virt/kvm/ioapic.c | 6 +++---
virt/kvm/ioapic.h | 17 +----------------
3 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index 2b8318c..b84aca3 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -40,4 +40,21 @@ typedef unsigned long hfn_t;

typedef hfn_t pfn_t;

+union kvm_ioapic_redirect_entry {
+ u64 bits;
+ struct {
+ u8 vector;
+ u8 delivery_mode:3;
+ u8 dest_mode:1;
+ u8 delivery_status:1;
+ u8 polarity:1;
+ u8 remote_irr:1;
+ u8 trig_mode:1;
+ u8 mask:1;
+ u8 reserve:7;
+ u8 reserved[4];
+ u8 dest_id;
+ } fields;
+};
+
#endif /* __KVM_TYPES_H__ */
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index c3b99de..8128013 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -85,7 +85,7 @@ static unsigned long ioapic_read_indirect(struct kvm_ioapic *ioapic,

static int ioapic_service(struct kvm_ioapic *ioapic, unsigned int idx)
{
- union ioapic_redir_entry *pent;
+ union kvm_ioapic_redirect_entry *pent;
int injected = -1;

pent = &ioapic->redirtbl[idx];
@@ -284,7 +284,7 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
{
u32 old_irr = ioapic->irr;
u32 mask = 1 << irq;
- union ioapic_redir_entry entry;
+ union kvm_ioapic_redirect_entry entry;
int ret = 1;

if (irq >= 0 && irq < IOAPIC_NUM_PINS) {
@@ -305,7 +305,7 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int pin,
int trigger_mode)
{
- union ioapic_redir_entry *ent;
+ union kvm_ioapic_redirect_entry *ent;

ent = &ioapic->redirtbl[pin];

diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h
index a34bd5e..008ec87 100644
--- a/virt/kvm/ioapic.h
+++ b/virt/kvm/ioapic.h
@@ -40,22 +40,7 @@ struct kvm_ioapic {
u32 id;
u32 irr;
u32 pad;
- union ioapic_redir_entry {
- u64 bits;
- struct {
- u8 vector;
- u8 delivery_mode:3;
- u8 dest_mode:1;
- u8 delivery_status:1;
- u8 polarity:1;
- u8 remote_irr:1;
- u8 trig_mode:1;
- u8 mask:1;
- u8 reserve:7;
- u8 reserved[4];
- u8 dest_id;
- } fields;
- } redirtbl[IOAPIC_NUM_PINS];
+ union kvm_ioapic_redirect_entry redirtbl[IOAPIC_NUM_PINS];
struct kvm_io_device dev;
struct kvm *kvm;
void (*ack_notifier)(void *opaque, int irq);
--
1.6.0.6


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