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Merge branch 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/lin…
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* 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (140 commits)
  KVM: MMU: handle large host sptes on invlpg/resync
  KVM: Add locking to virtual i8259 interrupt controller
  KVM: MMU: Don't treat a global pte as such if cr4.pge is cleared
  MAINTAINERS: Maintainership changes for kvm/ia64
  KVM: ia64: Fix kvm_arch_vcpu_ioctl_[gs]et_regs()
  KVM: x86: Rework user space NMI injection as KVM_CAP_USER_NMI
  KVM: VMX: Fix pending NMI-vs.-IRQ race for user space irqchip
  KVM: fix handling of ACK from shared guest IRQ
  KVM: MMU: check for present pdptr shadow page in walk_shadow
  KVM: Consolidate userspace memory capability reporting into common code
  KVM: Advertise the bug in memory region destruction as fixed
  KVM: use cpumask_var_t for cpus_hardware_enabled
  KVM: use modern cpumask primitives, no cpumask_t on stack
  KVM: Extract core of kvm_flush_remote_tlbs/kvm_reload_remote_mmus
  KVM: set owner of cpu and vm file operations
  anon_inodes: use fops->owner for module refcount
  x86: KVM guest: kvm_get_tsc_khz: return khz, not lpj
  KVM: MMU: prepopulate the shadow on invlpg
  KVM: MMU: skip global pgtables on sync due to cr3 switch
  KVM: MMU: collapse remote TLB flushes on root sync
  ...
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Linus Torvalds committed Jan 2, 2009
2 parents 2640c9a + 8791723 commit 597b0d2
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Showing 68 changed files with 4,760 additions and 2,606 deletions.
2 changes: 0 additions & 2 deletions MAINTAINERS
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Expand Up @@ -2542,8 +2542,6 @@ W: http://kvm.qumranet.com
S: Supported

KERNEL VIRTUAL MACHINE For Itanium (KVM/IA64)
P: Anthony Xu
M: anthony.xu@intel.com
P: Xiantao Zhang
M: xiantao.zhang@intel.com
L: kvm-ia64@vger.kernel.org
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6 changes: 4 additions & 2 deletions arch/ia64/include/asm/kvm.h
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Expand Up @@ -166,8 +166,6 @@ struct saved_vpd {
};

struct kvm_regs {
char *saved_guest;
char *saved_stack;
struct saved_vpd vpd;
/*Arch-regs*/
int mp_state;
Expand Down Expand Up @@ -200,6 +198,10 @@ struct kvm_regs {
unsigned long fp_psr; /*used for lazy float register */
unsigned long saved_gp;
/*for phycial emulation */

union context saved_guest;

unsigned long reserved[64]; /* for future use */
};

struct kvm_sregs {
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196 changes: 124 additions & 72 deletions arch/ia64/include/asm/kvm_host.h
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Expand Up @@ -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
Expand All @@ -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
Expand Down Expand Up @@ -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;
};
Expand All @@ -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;
Expand Down Expand Up @@ -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);
Expand All @@ -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
2 changes: 1 addition & 1 deletion arch/ia64/kvm/Makefile
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Expand Up @@ -60,7 +60,7 @@ obj-$(CONFIG_KVM) += kvm.o

CFLAGS_vcpu.o += -mfixed-range=f2-f5,f12-f127
kvm-intel-objs = vmm.o vmm_ivt.o trampoline.o vcpu.o optvfault.o mmio.o \
vtlb.o process.o
vtlb.o process.o kvm_lib.o
#Add link memcpy and memset to avoid possible structure assignment error
kvm-intel-objs += memcpy.o memset.o
obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
11 changes: 1 addition & 10 deletions arch/ia64/kvm/asm-offsets.c
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Expand Up @@ -24,19 +24,10 @@

#include <linux/autoconf.h>
#include <linux/kvm_host.h>
#include <linux/kbuild.h>

#include "vcpu.h"

#define task_struct kvm_vcpu

#define DEFINE(sym, val) \
asm volatile("\n->" #sym " (%0) " #val : : "i" (val))

#define BLANK() asm volatile("\n->" : :)

#define OFFSET(_sym, _str, _mem) \
DEFINE(_sym, offsetof(_str, _mem));

void foo(void)
{
DEFINE(VMM_TASK_SIZE, sizeof(struct kvm_vcpu));
Expand Down
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