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-rw-r--r--arch/ia64/include/asm/kvm_host.h196
1 files changed, 124 insertions, 72 deletions
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index c60d324..0560f3f 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -23,17 +23,6 @@
#ifndef __ASM_KVM_HOST_H
#define __ASM_KVM_HOST_H
-
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/kvm.h>
-#include <linux/kvm_para.h>
-#include <linux/kvm_types.h>
-
-#include <asm/pal.h>
-#include <asm/sal.h>
-
-#define KVM_MAX_VCPUS 4
#define KVM_MEMORY_SLOTS 32
/* memory slots that does not exposed to userspace */
#define KVM_PRIVATE_MEM_SLOTS 4
@@ -50,70 +39,132 @@
#define EXIT_REASON_EXTERNAL_INTERRUPT 6
#define EXIT_REASON_IPI 7
#define EXIT_REASON_PTC_G 8
+#define EXIT_REASON_DEBUG 20
/*Define vmm address space and vm data space.*/
-#define KVM_VMM_SIZE (16UL<<20)
+#define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20)
#define KVM_VMM_SHIFT 24
-#define KVM_VMM_BASE 0xD000000000000000UL
-#define VMM_SIZE (8UL<<20)
+#define KVM_VMM_BASE 0xD000000000000000
+#define VMM_SIZE (__IA64_UL_CONST(8)<<20)
/*
* Define vm_buffer, used by PAL Services, base address.
- * Note: vmbuffer is in the VMM-BLOCK, the size must be < 8M
+ * Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M
*/
#define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE)
-#define KVM_VM_BUFFER_SIZE (8UL<<20)
-
-/*Define Virtual machine data layout.*/
-#define KVM_VM_DATA_SHIFT 24
-#define KVM_VM_DATA_SIZE (1UL << KVM_VM_DATA_SHIFT)
-#define KVM_VM_DATA_BASE (KVM_VMM_BASE + KVM_VMM_SIZE)
-
-
-#define KVM_P2M_BASE KVM_VM_DATA_BASE
-#define KVM_P2M_OFS 0
-#define KVM_P2M_SIZE (8UL << 20)
-
-#define KVM_VHPT_BASE (KVM_P2M_BASE + KVM_P2M_SIZE)
-#define KVM_VHPT_OFS KVM_P2M_SIZE
-#define KVM_VHPT_BLOCK_SIZE (2UL << 20)
-#define VHPT_SHIFT 18
-#define VHPT_SIZE (1UL << VHPT_SHIFT)
-#define VHPT_NUM_ENTRIES (1<<(VHPT_SHIFT-5))
-
-#define KVM_VTLB_BASE (KVM_VHPT_BASE+KVM_VHPT_BLOCK_SIZE)
-#define KVM_VTLB_OFS (KVM_VHPT_OFS+KVM_VHPT_BLOCK_SIZE)
-#define KVM_VTLB_BLOCK_SIZE (1UL<<20)
-#define VTLB_SHIFT 17
-#define VTLB_SIZE (1UL<<VTLB_SHIFT)
-#define VTLB_NUM_ENTRIES (1<<(VTLB_SHIFT-5))
-
-#define KVM_VPD_BASE (KVM_VTLB_BASE+KVM_VTLB_BLOCK_SIZE)
-#define KVM_VPD_OFS (KVM_VTLB_OFS+KVM_VTLB_BLOCK_SIZE)
-#define KVM_VPD_BLOCK_SIZE (2UL<<20)
-#define VPD_SHIFT 16
-#define VPD_SIZE (1UL<<VPD_SHIFT)
-
-#define KVM_VCPU_BASE (KVM_VPD_BASE+KVM_VPD_BLOCK_SIZE)
-#define KVM_VCPU_OFS (KVM_VPD_OFS+KVM_VPD_BLOCK_SIZE)
-#define KVM_VCPU_BLOCK_SIZE (2UL<<20)
-#define VCPU_SHIFT 18
-#define VCPU_SIZE (1UL<<VCPU_SHIFT)
-#define MAX_VCPU_NUM KVM_VCPU_BLOCK_SIZE/VCPU_SIZE
-
-#define KVM_VM_BASE (KVM_VCPU_BASE+KVM_VCPU_BLOCK_SIZE)
-#define KVM_VM_OFS (KVM_VCPU_OFS+KVM_VCPU_BLOCK_SIZE)
-#define KVM_VM_BLOCK_SIZE (1UL<<19)
-
-#define KVM_MEM_DIRTY_LOG_BASE (KVM_VM_BASE+KVM_VM_BLOCK_SIZE)
-#define KVM_MEM_DIRTY_LOG_OFS (KVM_VM_OFS+KVM_VM_BLOCK_SIZE)
-#define KVM_MEM_DIRTY_LOG_SIZE (1UL<<19)
-
-/* Get vpd, vhpt, tlb, vcpu, base*/
-#define VPD_ADDR(n) (KVM_VPD_BASE+n*VPD_SIZE)
-#define VHPT_ADDR(n) (KVM_VHPT_BASE+n*VHPT_SIZE)
-#define VTLB_ADDR(n) (KVM_VTLB_BASE+n*VTLB_SIZE)
-#define VCPU_ADDR(n) (KVM_VCPU_BASE+n*VCPU_SIZE)
+#define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20)
+
+/*
+ * kvm guest's data area looks as follow:
+ *
+ * +----------------------+ ------- KVM_VM_DATA_SIZE
+ * | vcpu[n]'s data | | ___________________KVM_STK_OFFSET
+ * | | | / |
+ * | .......... | | /vcpu's struct&stack |
+ * | .......... | | /---------------------|---- 0
+ * | vcpu[5]'s data | | / vpd |
+ * | vcpu[4]'s data | |/-----------------------|
+ * | vcpu[3]'s data | / vtlb |
+ * | vcpu[2]'s data | /|------------------------|
+ * | vcpu[1]'s data |/ | vhpt |
+ * | vcpu[0]'s data |____________________________|
+ * +----------------------+ |
+ * | memory dirty log | |
+ * +----------------------+ |
+ * | vm's data struct | |
+ * +----------------------+ |
+ * | | |
+ * | | |
+ * | | |
+ * | | |
+ * | | |
+ * | | |
+ * | | |
+ * | vm's p2m table | |
+ * | | |
+ * | | |
+ * | | | |
+ * vm's data->| | | |
+ * +----------------------+ ------- 0
+ * To support large memory, needs to increase the size of p2m.
+ * To support more vcpus, needs to ensure it has enough space to
+ * hold vcpus' data.
+ */
+
+#define KVM_VM_DATA_SHIFT 26
+#define KVM_VM_DATA_SIZE (__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT)
+#define KVM_VM_DATA_BASE (KVM_VMM_BASE + KVM_VM_DATA_SIZE)
+
+#define KVM_P2M_BASE KVM_VM_DATA_BASE
+#define KVM_P2M_SIZE (__IA64_UL_CONST(24) << 20)
+
+#define VHPT_SHIFT 16
+#define VHPT_SIZE (__IA64_UL_CONST(1) << VHPT_SHIFT)
+#define VHPT_NUM_ENTRIES (__IA64_UL_CONST(1) << (VHPT_SHIFT-5))
+
+#define VTLB_SHIFT 16
+#define VTLB_SIZE (__IA64_UL_CONST(1) << VTLB_SHIFT)
+#define VTLB_NUM_ENTRIES (1UL << (VHPT_SHIFT-5))
+
+#define VPD_SHIFT 16
+#define VPD_SIZE (__IA64_UL_CONST(1) << VPD_SHIFT)
+
+#define VCPU_STRUCT_SHIFT 16
+#define VCPU_STRUCT_SIZE (__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)
+
+#define KVM_STK_OFFSET VCPU_STRUCT_SIZE
+
+#define KVM_VM_STRUCT_SHIFT 19
+#define KVM_VM_STRUCT_SIZE (__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)
+
+#define KVM_MEM_DIRY_LOG_SHIFT 19
+#define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT)
+
+#ifndef __ASSEMBLY__
+
+/*Define the max vcpus and memory for Guests.*/
+#define KVM_MAX_VCPUS (KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\
+ KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data)
+#define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT)
+
+#define VMM_LOG_LEN 256
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/kvm.h>
+#include <linux/kvm_para.h>
+#include <linux/kvm_types.h>
+
+#include <asm/pal.h>
+#include <asm/sal.h>
+#include <asm/page.h>
+
+struct kvm_vcpu_data {
+ char vcpu_vhpt[VHPT_SIZE];
+ char vcpu_vtlb[VTLB_SIZE];
+ char vcpu_vpd[VPD_SIZE];
+ char vcpu_struct[VCPU_STRUCT_SIZE];
+};
+
+struct kvm_vm_data {
+ char kvm_p2m[KVM_P2M_SIZE];
+ char kvm_vm_struct[KVM_VM_STRUCT_SIZE];
+ char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE];
+ struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];
+};
+
+#define VCPU_BASE(n) KVM_VM_DATA_BASE + \
+ offsetof(struct kvm_vm_data, vcpu_data[n])
+#define VM_BASE KVM_VM_DATA_BASE + \
+ offsetof(struct kvm_vm_data, kvm_vm_struct)
+#define KVM_MEM_DIRTY_LOG_BASE KVM_VM_DATA_BASE + \
+ offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
+
+#define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt))
+#define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb))
+#define VPD_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd))
+#define VCPU_STRUCT_BASE(n) (VCPU_BASE(n) + \
+ offsetof(struct kvm_vcpu_data, vcpu_struct))
/*IO section definitions*/
#define IOREQ_READ 1
@@ -389,6 +440,7 @@ struct kvm_vcpu_arch {
unsigned long opcode;
unsigned long cause;
+ char log_buf[VMM_LOG_LEN];
union context host;
union context guest;
};
@@ -403,14 +455,13 @@ struct kvm_sal_data {
};
struct kvm_arch {
+ spinlock_t dirty_log_lock;
+
unsigned long vm_base;
unsigned long metaphysical_rr0;
unsigned long metaphysical_rr4;
unsigned long vmm_init_rr;
- unsigned long vhpt_base;
- unsigned long vtlb_base;
- unsigned long vpd_base;
- spinlock_t dirty_log_lock;
+
struct kvm_ioapic *vioapic;
struct kvm_vm_stat stat;
struct kvm_sal_data rdv_sal_data;
@@ -512,7 +563,7 @@ struct kvm_pt_regs {
static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v)
{
- return (struct kvm_pt_regs *) ((unsigned long) v + IA64_STK_OFFSET) - 1;
+ return (struct kvm_pt_regs *) ((unsigned long) v + KVM_STK_OFFSET) - 1;
}
typedef int kvm_vmm_entry(void);
@@ -531,5 +582,6 @@ int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
void kvm_sal_emul(struct kvm_vcpu *vcpu);
static inline void kvm_inject_nmi(struct kvm_vcpu *vcpu) {}
+#endif /* __ASSEMBLY__*/
#endif
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