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authorLinus Torvalds <torvalds@linux-foundation.org>2008-04-27 10:13:52 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-27 10:13:52 -0700
commit42cadc86008aae0fd9ff31642dc01ed50723cf32 (patch)
treeb05d4c8f0561bad5a0183a89fb23ce4c8ee1653c /include
parentfba5c1af5c4fd6645fe62ea84ccde0981282cf66 (diff)
parent66c0b394f08fd89236515c1c84485ea712a157be (diff)
Merge branch 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates-2.6.26' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (147 commits) KVM: kill file->f_count abuse in kvm KVM: MMU: kvm_pv_mmu_op should not take mmap_sem KVM: SVM: remove selective CR0 comment KVM: SVM: remove now obsolete FIXME comment KVM: SVM: disable CR8 intercept when tpr is not masking interrupts KVM: SVM: sync V_TPR with LAPIC.TPR if CR8 write intercept is disabled KVM: export kvm_lapic_set_tpr() to modules KVM: SVM: sync TPR value to V_TPR field in the VMCB KVM: ppc: PowerPC 440 KVM implementation KVM: Add MAINTAINERS entry for PowerPC KVM KVM: ppc: Add DCR access information to struct kvm_run ppc: Export tlb_44x_hwater for KVM KVM: Rename debugfs_dir to kvm_debugfs_dir KVM: x86 emulator: fix lea to really get the effective address KVM: x86 emulator: fix smsw and lmsw with a memory operand KVM: x86 emulator: initialize src.val and dst.val for register operands KVM: SVM: force a new asid when initializing the vmcb KVM: fix kvm_vcpu_kick vs __vcpu_run race KVM: add ioctls to save/store mpstate KVM: Rename VCPU_MP_STATE_* to KVM_MP_STATE_* ...
Diffstat (limited to 'include')
-rw-r--r--include/asm-ia64/gcc_intrin.h12
-rw-r--r--include/asm-ia64/kvm.h205
-rw-r--r--include/asm-ia64/kvm_host.h524
-rw-r--r--include/asm-ia64/kvm_para.h29
-rw-r--r--include/asm-ia64/processor.h63
-rw-r--r--include/asm-powerpc/kvm.h53
-rw-r--r--include/asm-powerpc/kvm_asm.h55
-rw-r--r--include/asm-powerpc/kvm_host.h152
-rw-r--r--include/asm-powerpc/kvm_para.h37
-rw-r--r--include/asm-powerpc/kvm_ppc.h88
-rw-r--r--include/asm-powerpc/mmu-44x.h2
-rw-r--r--include/asm-s390/Kbuild1
-rw-r--r--include/asm-s390/kvm.h41
-rw-r--r--include/asm-s390/kvm_host.h234
-rw-r--r--include/asm-s390/kvm_para.h150
-rw-r--r--include/asm-s390/kvm_virtio.h53
-rw-r--r--include/asm-s390/lowcore.h15
-rw-r--r--include/asm-s390/mmu.h1
-rw-r--r--include/asm-s390/mmu_context.h8
-rw-r--r--include/asm-s390/pgtable.h93
-rw-r--r--include/asm-s390/setup.h1
-rw-r--r--include/asm-x86/kvm.h41
-rw-r--r--include/asm-x86/kvm_host.h99
-rw-r--r--include/asm-x86/kvm_para.h55
-rw-r--r--include/asm-x86/reboot.h2
-rw-r--r--include/linux/kvm.h130
-rw-r--r--include/linux/kvm_host.h59
-rw-r--r--include/linux/kvm_para.h11
-rw-r--r--include/linux/kvm_types.h2
-rw-r--r--include/linux/sched.h2
30 files changed, 2173 insertions, 45 deletions
diff --git a/include/asm-ia64/gcc_intrin.h b/include/asm-ia64/gcc_intrin.h
index de2ed2cbdd8..2fe292c275f 100644
--- a/include/asm-ia64/gcc_intrin.h
+++ b/include/asm-ia64/gcc_intrin.h
@@ -21,6 +21,10 @@
#define ia64_invala_fr(regnum) asm volatile ("invala.e f%0" :: "i"(regnum))
+#define ia64_flushrs() asm volatile ("flushrs;;":::"memory")
+
+#define ia64_loadrs() asm volatile ("loadrs;;":::"memory")
+
extern void ia64_bad_param_for_setreg (void);
extern void ia64_bad_param_for_getreg (void);
@@ -517,6 +521,14 @@ do { \
#define ia64_ptrd(addr, size) \
asm volatile ("ptr.d %0,%1" :: "r"(addr), "r"(size) : "memory")
+#define ia64_ttag(addr) \
+({ \
+ __u64 ia64_intri_res; \
+ asm volatile ("ttag %0=%1" : "=r"(ia64_intri_res) : "r" (addr)); \
+ ia64_intri_res; \
+})
+
+
/* Values for lfhint in ia64_lfetch and ia64_lfetch_fault */
#define ia64_lfhint_none 0
diff --git a/include/asm-ia64/kvm.h b/include/asm-ia64/kvm.h
index 030d29b4b26..eb2d3559d08 100644
--- a/include/asm-ia64/kvm.h
+++ b/include/asm-ia64/kvm.h
@@ -1,6 +1,205 @@
-#ifndef __LINUX_KVM_IA64_H
-#define __LINUX_KVM_IA64_H
+#ifndef __ASM_IA64_KVM_H
+#define __ASM_IA64_KVM_H
-/* ia64 does not support KVM */
+/*
+ * asm-ia64/kvm.h: kvm structure definitions for ia64
+ *
+ * Copyright (C) 2007 Xiantao Zhang <xiantao.zhang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+
+#include <asm/types.h>
+#include <asm/fpu.h>
+
+#include <linux/ioctl.h>
+
+/* Architectural interrupt line count. */
+#define KVM_NR_INTERRUPTS 256
+
+#define KVM_IOAPIC_NUM_PINS 24
+
+struct kvm_ioapic_state {
+ __u64 base_address;
+ __u32 ioregsel;
+ __u32 id;
+ __u32 irr;
+ __u32 pad;
+ union {
+ __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[KVM_IOAPIC_NUM_PINS];
+};
+
+#define KVM_IRQCHIP_PIC_MASTER 0
+#define KVM_IRQCHIP_PIC_SLAVE 1
+#define KVM_IRQCHIP_IOAPIC 2
+
+#define KVM_CONTEXT_SIZE 8*1024
+
+union context {
+ /* 8K size */
+ char dummy[KVM_CONTEXT_SIZE];
+ struct {
+ unsigned long psr;
+ unsigned long pr;
+ unsigned long caller_unat;
+ unsigned long pad;
+ unsigned long gr[32];
+ unsigned long ar[128];
+ unsigned long br[8];
+ unsigned long cr[128];
+ unsigned long rr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long pkr[8];
+ struct ia64_fpreg fr[128];
+ };
+};
+
+struct thash_data {
+ union {
+ struct {
+ unsigned long p : 1; /* 0 */
+ unsigned long rv1 : 1; /* 1 */
+ unsigned long ma : 3; /* 2-4 */
+ unsigned long a : 1; /* 5 */
+ unsigned long d : 1; /* 6 */
+ unsigned long pl : 2; /* 7-8 */
+ unsigned long ar : 3; /* 9-11 */
+ unsigned long ppn : 38; /* 12-49 */
+ unsigned long rv2 : 2; /* 50-51 */
+ unsigned long ed : 1; /* 52 */
+ unsigned long ig1 : 11; /* 53-63 */
+ };
+ struct {
+ unsigned long __rv1 : 53; /* 0-52 */
+ unsigned long contiguous : 1; /*53 */
+ unsigned long tc : 1; /* 54 TR or TC */
+ unsigned long cl : 1;
+ /* 55 I side or D side cache line */
+ unsigned long len : 4; /* 56-59 */
+ unsigned long io : 1; /* 60 entry is for io or not */
+ unsigned long nomap : 1;
+ /* 61 entry cann't be inserted into machine TLB.*/
+ unsigned long checked : 1;
+ /* 62 for VTLB/VHPT sanity check */
+ unsigned long invalid : 1;
+ /* 63 invalid entry */
+ };
+ unsigned long page_flags;
+ }; /* same for VHPT and TLB */
+
+ union {
+ struct {
+ unsigned long rv3 : 2;
+ unsigned long ps : 6;
+ unsigned long key : 24;
+ unsigned long rv4 : 32;
+ };
+ unsigned long itir;
+ };
+ union {
+ struct {
+ unsigned long ig2 : 12;
+ unsigned long vpn : 49;
+ unsigned long vrn : 3;
+ };
+ unsigned long ifa;
+ unsigned long vadr;
+ struct {
+ unsigned long tag : 63;
+ unsigned long ti : 1;
+ };
+ unsigned long etag;
+ };
+ union {
+ struct thash_data *next;
+ unsigned long rid;
+ unsigned long gpaddr;
+ };
+};
+
+#define NITRS 8
+#define NDTRS 8
+
+struct saved_vpd {
+ unsigned long vhpi;
+ unsigned long vgr[16];
+ unsigned long vbgr[16];
+ unsigned long vnat;
+ unsigned long vbnat;
+ unsigned long vcpuid[5];
+ unsigned long vpsr;
+ unsigned long vpr;
+ unsigned long vcr[128];
+};
+
+struct kvm_regs {
+ char *saved_guest;
+ char *saved_stack;
+ struct saved_vpd vpd;
+ /*Arch-regs*/
+ int mp_state;
+ unsigned long vmm_rr;
+ /* TR and TC. */
+ struct thash_data itrs[NITRS];
+ struct thash_data dtrs[NDTRS];
+ /* Bit is set if there is a tr/tc for the region. */
+ unsigned char itr_regions;
+ unsigned char dtr_regions;
+ unsigned char tc_regions;
+
+ char irq_check;
+ unsigned long saved_itc;
+ unsigned long itc_check;
+ unsigned long timer_check;
+ unsigned long timer_pending;
+ unsigned long last_itc;
+
+ unsigned long vrr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long insvc[4]; /* Interrupt in service. */
+ unsigned long xtp;
+
+ unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_saved_rr0; /* from kvm_arch */
+ unsigned long metaphysical_saved_rr4; /* from kvm_arch */
+ unsigned long fp_psr; /*used for lazy float register */
+ unsigned long saved_gp;
+ /*for phycial emulation */
+};
+
+struct kvm_sregs {
+};
+
+struct kvm_fpu {
+};
#endif
diff --git a/include/asm-ia64/kvm_host.h b/include/asm-ia64/kvm_host.h
new file mode 100644
index 00000000000..c082c208c1f
--- /dev/null
+++ b/include/asm-ia64/kvm_host.h
@@ -0,0 +1,524 @@
+/*
+ * kvm_host.h: used for kvm module, and hold ia64-specific sections.
+ *
+ * Copyright (C) 2007, Intel Corporation.
+ *
+ * Xiantao Zhang <xiantao.zhang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+
+#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
+
+
+/* define exit reasons from vmm to kvm*/
+#define EXIT_REASON_VM_PANIC 0
+#define EXIT_REASON_MMIO_INSTRUCTION 1
+#define EXIT_REASON_PAL_CALL 2
+#define EXIT_REASON_SAL_CALL 3
+#define EXIT_REASON_SWITCH_RR6 4
+#define EXIT_REASON_VM_DESTROY 5
+#define EXIT_REASON_EXTERNAL_INTERRUPT 6
+#define EXIT_REASON_IPI 7
+#define EXIT_REASON_PTC_G 8
+
+/*Define vmm address space and vm data space.*/
+#define KVM_VMM_SIZE (16UL<<20)
+#define KVM_VMM_SHIFT 24
+#define KVM_VMM_BASE 0xD000000000000000UL
+#define VMM_SIZE (8UL<<20)
+
+/*
+ * Define vm_buffer, used by PAL Services, base address.
+ * Note: vmbuffer 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)
+
+/*IO section definitions*/
+#define IOREQ_READ 1
+#define IOREQ_WRITE 0
+
+#define STATE_IOREQ_NONE 0
+#define STATE_IOREQ_READY 1
+#define STATE_IOREQ_INPROCESS 2
+#define STATE_IORESP_READY 3
+
+/*Guest Physical address layout.*/
+#define GPFN_MEM (0UL << 60) /* Guest pfn is normal mem */
+#define GPFN_FRAME_BUFFER (1UL << 60) /* VGA framebuffer */
+#define GPFN_LOW_MMIO (2UL << 60) /* Low MMIO range */
+#define GPFN_PIB (3UL << 60) /* PIB base */
+#define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */
+#define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */
+#define GPFN_GFW (6UL << 60) /* Guest Firmware */
+#define GPFN_HIGH_MMIO (7UL << 60) /* High MMIO range */
+
+#define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */
+#define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */
+#define INVALID_MFN (~0UL)
+#define MEM_G (1UL << 30)
+#define MEM_M (1UL << 20)
+#define MMIO_START (3 * MEM_G)
+#define MMIO_SIZE (512 * MEM_M)
+#define VGA_IO_START 0xA0000UL
+#define VGA_IO_SIZE 0x20000
+#define LEGACY_IO_START (MMIO_START + MMIO_SIZE)
+#define LEGACY_IO_SIZE (64 * MEM_M)
+#define IO_SAPIC_START 0xfec00000UL
+#define IO_SAPIC_SIZE 0x100000
+#define PIB_START 0xfee00000UL
+#define PIB_SIZE 0x200000
+#define GFW_START (4 * MEM_G - 16 * MEM_M)
+#define GFW_SIZE (16 * MEM_M)
+
+/*Deliver mode, defined for ioapic.c*/
+#define dest_Fixed IOSAPIC_FIXED
+#define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY
+
+#define NMI_VECTOR 2
+#define ExtINT_VECTOR 0
+#define NULL_VECTOR (-1)
+#define IA64_SPURIOUS_INT_VECTOR 0x0f
+
+#define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24)
+
+/*
+ *Delivery mode
+ */
+#define SAPIC_DELIV_SHIFT 8
+#define SAPIC_FIXED 0x0
+#define SAPIC_LOWEST_PRIORITY 0x1
+#define SAPIC_PMI 0x2
+#define SAPIC_NMI 0x4
+#define SAPIC_INIT 0x5
+#define SAPIC_EXTINT 0x7
+
+/*
+ * vcpu->requests bit members for arch
+ */
+#define KVM_REQ_PTC_G 32
+#define KVM_REQ_RESUME 33
+
+#define KVM_PAGES_PER_HPAGE 1
+
+struct kvm;
+struct kvm_vcpu;
+struct kvm_guest_debug{
+};
+
+struct kvm_mmio_req {
+ uint64_t addr; /* physical address */
+ uint64_t size; /* size in bytes */
+ uint64_t data; /* data (or paddr of data) */
+ uint8_t state:4;
+ uint8_t dir:1; /* 1=read, 0=write */
+};
+
+/*Pal data struct */
+struct kvm_pal_call{
+ /*In area*/
+ uint64_t gr28;
+ uint64_t gr29;
+ uint64_t gr30;
+ uint64_t gr31;
+ /*Out area*/
+ struct ia64_pal_retval ret;
+};
+
+/* Sal data structure */
+struct kvm_sal_call{
+ /*In area*/
+ uint64_t in0;
+ uint64_t in1;
+ uint64_t in2;
+ uint64_t in3;
+ uint64_t in4;
+ uint64_t in5;
+ uint64_t in6;
+ uint64_t in7;
+ struct sal_ret_values ret;
+};
+
+/*Guest change rr6*/
+struct kvm_switch_rr6 {
+ uint64_t old_rr;
+ uint64_t new_rr;
+};
+
+union ia64_ipi_a{
+ unsigned long val;
+ struct {
+ unsigned long rv : 3;
+ unsigned long ir : 1;
+ unsigned long eid : 8;
+ unsigned long id : 8;
+ unsigned long ib_base : 44;
+ };
+};
+
+union ia64_ipi_d {
+ unsigned long val;
+ struct {
+ unsigned long vector : 8;
+ unsigned long dm : 3;
+ unsigned long ig : 53;
+ };
+};
+
+/*ipi check exit data*/
+struct kvm_ipi_data{
+ union ia64_ipi_a addr;
+ union ia64_ipi_d data;
+};
+
+/*global purge data*/
+struct kvm_ptc_g {
+ unsigned long vaddr;
+ unsigned long rr;
+ unsigned long ps;
+ struct kvm_vcpu *vcpu;
+};
+
+/*Exit control data */
+struct exit_ctl_data{
+ uint32_t exit_reason;
+ uint32_t vm_status;
+ union {
+ struct kvm_mmio_req ioreq;
+ struct kvm_pal_call pal_data;
+ struct kvm_sal_call sal_data;
+ struct kvm_switch_rr6 rr_data;
+ struct kvm_ipi_data ipi_data;
+ struct kvm_ptc_g ptc_g_data;
+ } u;
+};
+
+union pte_flags {
+ unsigned long val;
+ struct {
+ unsigned long p : 1; /*0 */
+ unsigned long : 1; /* 1 */
+ unsigned long ma : 3; /* 2-4 */
+ unsigned long a : 1; /* 5 */
+ unsigned long d : 1; /* 6 */
+ unsigned long pl : 2; /* 7-8 */
+ unsigned long ar : 3; /* 9-11 */
+ unsigned long ppn : 38; /* 12-49 */
+ unsigned long : 2; /* 50-51 */
+ unsigned long ed : 1; /* 52 */
+ };
+};
+
+union ia64_pta {
+ unsigned long val;
+ struct {
+ unsigned long ve : 1;
+ unsigned long reserved0 : 1;
+ unsigned long size : 6;
+ unsigned long vf : 1;
+ unsigned long reserved1 : 6;
+ unsigned long base : 49;
+ };
+};
+
+struct thash_cb {
+ /* THASH base information */
+ struct thash_data *hash; /* hash table pointer */
+ union ia64_pta pta;
+ int num;
+};
+
+struct kvm_vcpu_stat {
+};
+
+struct kvm_vcpu_arch {
+ int launched;
+ int last_exit;
+ int last_run_cpu;
+ int vmm_tr_slot;
+ int vm_tr_slot;
+
+#define KVM_MP_STATE_RUNNABLE 0
+#define KVM_MP_STATE_UNINITIALIZED 1
+#define KVM_MP_STATE_INIT_RECEIVED 2
+#define KVM_MP_STATE_HALTED 3
+ int mp_state;
+
+#define MAX_PTC_G_NUM 3
+ int ptc_g_count;
+ struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM];
+
+ /*halt timer to wake up sleepy vcpus*/
+ struct hrtimer hlt_timer;
+ long ht_active;
+
+ struct kvm_lapic *apic; /* kernel irqchip context */
+ struct vpd *vpd;
+
+ /* Exit data for vmm_transition*/
+ struct exit_ctl_data exit_data;
+
+ cpumask_t cache_coherent_map;
+
+ unsigned long vmm_rr;
+ unsigned long host_rr6;
+ unsigned long psbits[8];
+ unsigned long cr_iipa;
+ unsigned long cr_isr;
+ unsigned long vsa_base;
+ unsigned long dirty_log_lock_pa;
+ unsigned long __gp;
+ /* TR and TC. */
+ struct thash_data itrs[NITRS];
+ struct thash_data dtrs[NDTRS];
+ /* Bit is set if there is a tr/tc for the region. */
+ unsigned char itr_regions;
+ unsigned char dtr_regions;
+ unsigned char tc_regions;
+ /* purge all */
+ unsigned long ptce_base;
+ unsigned long ptce_count[2];
+ unsigned long ptce_stride[2];
+ /* itc/itm */
+ unsigned long last_itc;
+ long itc_offset;
+ unsigned long itc_check;
+ unsigned long timer_check;
+ unsigned long timer_pending;
+
+ unsigned long vrr[8];
+ unsigned long ibr[8];
+ unsigned long dbr[8];
+ unsigned long insvc[4]; /* Interrupt in service. */
+ unsigned long xtp;
+
+ unsigned long metaphysical_rr0; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_rr4; /* from kvm_arch (so is pinned) */
+ unsigned long metaphysical_saved_rr0; /* from kvm_arch */
+ unsigned long metaphysical_saved_rr4; /* from kvm_arch */
+ unsigned long fp_psr; /*used for lazy float register */
+ unsigned long saved_gp;
+ /*for phycial emulation */
+ int mode_flags;
+ struct thash_cb vtlb;
+ struct thash_cb vhpt;
+ char irq_check;
+ char irq_new_pending;
+
+ unsigned long opcode;
+ unsigned long cause;
+ union context host;
+ union context guest;
+};
+
+struct kvm_vm_stat {
+ u64 remote_tlb_flush;
+};
+
+struct kvm_sal_data {
+ unsigned long boot_ip;
+ unsigned long boot_gp;
+};
+
+struct kvm_arch {
+ 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;
+};
+
+union cpuid3_t {
+ u64 value;
+ struct {
+ u64 number : 8;
+ u64 revision : 8;
+ u64 model : 8;
+ u64 family : 8;
+ u64 archrev : 8;
+ u64 rv : 24;
+ };
+};
+
+struct kvm_pt_regs {
+ /* The following registers are saved by SAVE_MIN: */
+ unsigned long b6; /* scratch */
+ unsigned long b7; /* scratch */
+
+ unsigned long ar_csd; /* used by cmp8xchg16 (scratch) */
+ unsigned long ar_ssd; /* reserved for future use (scratch) */
+
+ unsigned long r8; /* scratch (return value register 0) */
+ unsigned long r9; /* scratch (return value register 1) */
+ unsigned long r10; /* scratch (return value register 2) */
+ unsigned long r11; /* scratch (return value register 3) */
+
+ unsigned long cr_ipsr; /* interrupted task's psr */
+ unsigned long cr_iip; /* interrupted task's instruction pointer */
+ unsigned long cr_ifs; /* interrupted task's function state */
+
+ unsigned long ar_unat; /* interrupted task's NaT register (preserved) */
+ unsigned long ar_pfs; /* prev function state */
+ unsigned long ar_rsc; /* RSE configuration */
+ /* The following two are valid only if cr_ipsr.cpl > 0: */
+ unsigned long ar_rnat; /* RSE NaT */
+ unsigned long ar_bspstore; /* RSE bspstore */
+
+ unsigned long pr; /* 64 predicate registers (1 bit each) */
+ unsigned long b0; /* return pointer (bp) */
+ unsigned long loadrs; /* size of dirty partition << 16 */
+
+ unsigned long r1; /* the gp pointer */
+ unsigned long r12; /* interrupted task's memory stack pointer */
+ unsigned long r13; /* thread pointer */
+
+ unsigned long ar_fpsr; /* floating point status (preserved) */
+ unsigned long r15; /* scratch */
+
+ /* The remaining registers are NOT saved for system calls. */
+ unsigned long r14; /* scratch */
+ unsigned long r2; /* scratch */
+ unsigned long r3; /* scratch */
+ unsigned long r16; /* scratch */
+ unsigned long r17; /* scratch */
+ unsigned long r18; /* scratch */
+ unsigned long r19; /* scratch */
+ unsigned long r20; /* scratch */
+ unsigned long r21; /* scratch */
+ unsigned long r22; /* scratch */
+ unsigned long r23; /* scratch */
+ unsigned long r24; /* scratch */
+ unsigned long r25; /* scratch */
+ unsigned long r26; /* scratch */
+ unsigned long r27; /* scratch */
+ unsigned long r28; /* scratch */
+ unsigned long r29; /* scratch */
+ unsigned long r30; /* scratch */
+ unsigned long r31; /* scratch */
+ unsigned long ar_ccv; /* compare/exchange value (scratch) */
+
+ /*
+ * Floating point registers that the kernel considers scratch:
+ */
+ struct ia64_fpreg f6; /* scratch */
+ struct ia64_fpreg f7; /* scratch */
+ struct ia64_fpreg f8; /* scratch */
+ struct ia64_fpreg f9; /* scratch */
+ struct ia64_fpreg f10; /* scratch */
+ struct ia64_fpreg f11; /* scratch */
+
+ unsigned long r4; /* preserved */
+ unsigned long r5; /* preserved */
+ unsigned long r6; /* preserved */
+ unsigned long r7; /* preserved */
+ unsigned long eml_unat; /* used for emulating instruction */
+ unsigned long pad0; /* alignment pad */
+};
+
+static inline struct kvm_pt_regs *vcpu_regs(struct kvm_vcpu *v)
+{
+ return (struct kvm_pt_regs *) ((unsigned long) v + IA64_STK_OFFSET) - 1;
+}
+
+typedef int kvm_vmm_entry(void);
+typedef void kvm_tramp_entry(union context *host, union context *guest);
+
+struct kvm_vmm_info{
+ struct module *module;
+ kvm_vmm_entry *vmm_entry;
+ kvm_tramp_entry *tramp_entry;
+ unsigned long vmm_ivt;
+};
+
+int kvm_highest_pending_irq(struct kvm_vcpu *vcpu);
+int kvm_emulate_halt(struct kvm_vcpu *vcpu);
+int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
+void kvm_sal_emul(struct kvm_vcpu *vcpu);
+
+#endif
diff --git a/include/asm-ia64/kvm_para.h b/include/asm-ia64/kvm_para.h
new file mode 100644
index 00000000000..9f9796bb344
--- /dev/null
+++ b/include/asm-ia64/kvm_para.h
@@ -0,0 +1,29 @@
+#ifndef __IA64_KVM_PARA_H
+#define __IA64_KVM_PARA_H
+
+/*
+ * asm-ia64/kvm_para.h
+ *
+ * Copyright (C) 2007 Xiantao Zhang <xiantao.zhang@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ */
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
+#endif
diff --git a/include/asm-ia64/processor.h b/include/asm-ia64/processor.h
index 741f7ecb986..6aff126fc07 100644
--- a/include/asm-ia64/processor.h
+++ b/include/asm-ia64/processor.h
@@ -119,6 +119,69 @@ struct ia64_psr {
__u64 reserved4 : 19;
};
+union ia64_isr {
+ __u64 val;
+ struct {
+ __u64 code : 16;
+ __u64 vector : 8;
+ __u64 reserved1 : 8;
+ __u64 x : 1;
+ __u64 w : 1;
+ __u64 r : 1;
+ __u64 na : 1;
+ __u64 sp : 1;
+ __u64 rs : 1;
+ __u64 ir : 1;
+ __u64 ni : 1;
+ __u64 so : 1;
+ __u64 ei : 2;
+ __u64 ed : 1;
+ __u64 reserved2 : 20;
+ };
+};
+
+union ia64_lid {
+ __u64 val;
+ struct {
+ __u64 rv : 16;
+ __u64 eid : 8;
+ __u64 id : 8;
+ __u64 ig : 32;
+ };
+};
+
+union ia64_tpr {
+ __u64 val;
+ struct {
+ __u64 ig0 : 4;
+ __u64 mic : 4;
+ __u64 rsv : 8;
+ __u64 mmi : 1;
+ __u64 ig1 : 47;
+ };
+};
+
+union ia64_itir {
+ __u64 val;
+ struct {
+ __u64 rv3 : 2; /* 0-1 */
+ __u64 ps : 6; /* 2-7 */
+ __u64 key : 24; /* 8-31 */
+ __u64 rv4 : 32; /* 32-63 */
+ };
+};
+
+union ia64_rr {
+ __u64 val;
+ struct {
+ __u64 ve : 1; /* enable hw walker */
+ __u64 reserved0: 1; /* reserved */
+ __u64 ps : 6; /* log page size */
+ __u64 rid : 24; /* region id */
+ __u64 reserved1: 32; /* reserved */
+ };
+};
+
/*
* CPU type, hardware bug flags, and per-CPU state. Frequently used
* state comes earlier:
diff --git a/include/asm-powerpc/kvm.h b/include/asm-powerpc/kvm.h
index d1b530fbf8d..f993e4198d5 100644
--- a/include/asm-powerpc/kvm.h
+++ b/include/asm-powerpc/kvm.h
@@ -1,6 +1,55 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2007
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
#ifndef __LINUX_KVM_POWERPC_H
#define __LINUX_KVM_POWERPC_H
-/* powerpc does not support KVM */
+#include <asm/types.h>
+
+struct kvm_regs {
+ __u64 pc;
+ __u64 cr;
+ __u64 ctr;
+ __u64 lr;
+ __u64 xer;
+ __u64 msr;
+ __u64 srr0;
+ __u64 srr1;
+ __u64 pid;
+
+ __u64 sprg0;
+ __u64 sprg1;
+ __u64 sprg2;
+ __u64 sprg3;
+ __u64 sprg4;
+ __u64 sprg5;
+ __u64 sprg6;
+ __u64 sprg7;
+
+ __u64 gpr[32];
+};
+
+struct kvm_sregs {
+};
+
+struct kvm_fpu {
+ __u64 fpr[32];
+};
-#endif
+#endif /* __LINUX_KVM_POWERPC_H */
diff --git a/include/asm-powerpc/kvm_asm.h b/include/asm-powerpc/kvm_asm.h
new file mode 100644
index 00000000000..2197764796d
--- /dev/null
+++ b/include/asm-powerpc/kvm_asm.h
@@ -0,0 +1,55 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#ifndef __POWERPC_KVM_ASM_H__
+#define __POWERPC_KVM_ASM_H__
+
+/* IVPR must be 64KiB-aligned. */
+#define VCPU_SIZE_ORDER 4
+#define VCPU_SIZE_LOG (VCPU_SIZE_ORDER + 12)
+#define VCPU_TLB_PGSZ PPC44x_TLB_64K
+#define VCPU_SIZE_BYTES (1<<VCPU_SIZE_LOG)
+
+#define BOOKE_INTERRUPT_CRITICAL 0
+#define BOOKE_INTERRUPT_MACHINE_CHECK 1
+#define BOOKE_INTERRUPT_DATA_STORAGE 2
+#define BOOKE_INTERRUPT_INST_STORAGE 3
+#define BOOKE_INTERRUPT_EXTERNAL 4
+#define BOOKE_INTERRUPT_ALIGNMENT 5
+#define BOOKE_INTERRUPT_PROGRAM 6
+#define BOOKE_INTERRUPT_FP_UNAVAIL 7
+#define BOOKE_INTERRUPT_SYSCALL 8
+#define BOOKE_INTERRUPT_AP_UNAVAIL 9
+#define BOOKE_INTERRUPT_DECREMENTER 10
+#define BOOKE_INTERRUPT_FIT 11
+#define BOOKE_INTERRUPT_WATCHDOG 12
+#define BOOKE_INTERRUPT_DTLB_MISS 13
+#define BOOKE_INTERRUPT_ITLB_MISS 14
+#define BOOKE_INTERRUPT_DEBUG 15
+#define BOOKE_MAX_INTERRUPT 15
+
+#define RESUME_FLAG_NV (1<<0) /* Reload guest nonvolatile state? */
+#define RESUME_FLAG_HOST (1<<1) /* Resume host? */
+
+#define RESUME_GUEST 0
+#define RESUME_GUEST_NV RESUME_FLAG_NV
+#define RESUME_HOST RESUME_FLAG_HOST
+#define RESUME_HOST_NV (RESUME_FLAG_HOST|RESUME_FLAG_NV)
+
+#endif /* __POWERPC_KVM_ASM_H__ */
diff --git a/include/asm-powerpc/kvm_host.h b/include/asm-powerpc/kvm_host.h
new file mode 100644
index 00000000000..04ffbb8e0a3
--- /dev/null
+++ b/include/asm-powerpc/kvm_host.h
@@ -0,0 +1,152 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2007
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#ifndef __POWERPC_KVM_HOST_H__
+#define __POWERPC_KVM_HOST_H__
+
+#include <linux/mutex.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+#include <linux/kvm_types.h>
+#include <asm/kvm_asm.h>
+
+#define KVM_MAX_VCPUS 1
+#define KVM_MEMORY_SLOTS 32
+/* memory slots that does not exposed to userspace */
+#define KVM_PRIVATE_MEM_SLOTS 4
+
+/* We don't currently support large pages. */
+#define KVM_PAGES_PER_HPAGE (1<<31)
+
+struct kvm;
+struct kvm_run;
+struct kvm_vcpu;
+
+struct kvm_vm_stat {
+ u32 remote_tlb_flush;
+};
+
+struct kvm_vcpu_stat {
+ u32 sum_exits;
+ u32 mmio_exits;
+ u32 dcr_exits;
+ u32 signal_exits;
+ u32 light_exits;
+ /* Account for special types of light exits: */
+ u32 itlb_real_miss_exits;
+ u32 itlb_virt_miss_exits;
+ u32 dtlb_real_miss_exits;
+ u32 dtlb_virt_miss_exits;
+ u32 syscall_exits;
+ u32 isi_exits;
+ u32 dsi_exits;
+ u32 emulated_inst_exits;
+ u32 dec_exits;
+ u32 ext_intr_exits;
+};
+
+struct tlbe {
+ u32 tid; /* Only the low 8 bits are used. */
+ u32 word0;
+ u32 word1;
+ u32 word2;
+};
+
+struct kvm_arch {
+};
+
+struct kvm_vcpu_arch {
+ /* Unmodified copy of the guest's TLB. */
+ struct tlbe guest_tlb[PPC44x_TLB_SIZE];
+ /* TLB that's actually used when the guest is running. */
+ struct tlbe shadow_tlb[PPC44x_TLB_SIZE];
+ /* Pages which are referenced in the shadow TLB. */
+ struct page *shadow_pages[PPC44x_TLB_SIZE];
+ /* Copy of the host's TLB. */
+ struct tlbe host_tlb[PPC44x_TLB_SIZE];
+
+ u32 host_stack;
+ u32 host_pid;
+
+ u64 fpr[32];
+ u32 gpr[32];
+
+ u32 pc;
+ u32 cr;
+ u32 ctr;
+ u32 lr;
+ u32 xer;
+
+ u32 msr;
+ u32 mmucr;
+ u32 sprg0;
+ u32 sprg1;
+ u32 sprg2;
+ u32 sprg3;
+ u32 sprg4;
+ u32 sprg5;
+ u32 sprg6;
+ u32 sprg7;
+ u32 srr0;
+ u32 srr1;
+ u32 csrr0;
+ u32 csrr1;
+ u32 dsrr0;
+ u32 dsrr1;
+ u32 dear;
+ u32 esr;
+ u32 dec;
+ u32 decar;
+ u32 tbl;
+ u32 tbu;
+ u32 tcr;
+ u32 tsr;
+ u32 ivor[16];
+ u32 ivpr;
+ u32 pir;
+ u32 pid;
+ u32 pvr;
+ u32 ccr0;
+ u32 ccr1;
+ u32 dbcr0;
+ u32 dbcr1;
+
+ u32 last_inst;
+ u32 fault_dear;
+ u32 fault_esr;
+ gpa_t paddr_accessed;
+
+ u8 io_gpr; /* GPR used as IO source/target */
+ u8 mmio_is_bigendian;
+ u8 dcr_needed;
+ u8 dcr_is_write;
+
+ u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
+
+ struct timer_list dec_timer;
+ unsigned long pending_exceptions;
+};
+
+struct kvm_guest_debug {
+ int enabled;
+ unsigned long bp[4];
+ int singlestep;
+};
+
+#endif /* __POWERPC_KVM_HOST_H__ */
diff --git a/include/asm-powerpc/kvm_para.h b/include/asm-powerpc/kvm_para.h
new file mode 100644
index 00000000000..2d48f6a63d0
--- /dev/null
+++ b/include/asm-powerpc/kvm_para.h
@@ -0,0 +1,37 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#ifndef __POWERPC_KVM_PARA_H__
+#define __POWERPC_KVM_PARA_H__
+
+#ifdef __KERNEL__
+
+static inline int kvm_para_available(void)
+{
+ return 0;
+}
+
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
+#endif /* __KERNEL__ */
+
+#endif /* __POWERPC_KVM_PARA_H__ */
diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
new file mode 100644
index 00000000000..7ac820308a7
--- /dev/null
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -0,0 +1,88 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Authors: Hollis Blanchard <hollisb@us.ibm.com>
+ */
+
+#ifndef __POWERPC_KVM_PPC_H__
+#define __POWERPC_KVM_PPC_H__
+
+/* This file exists just so we can dereference kvm_vcpu, avoiding nested header
+ * dependencies. */
+
+#include <linux/mutex.h>
+#include <linux/timer.h>
+#include <linux/types.h>
+#include <linux/kvm_types.h>
+#include <linux/kvm_host.h>
+
+struct kvm_tlb {
+ struct tlbe guest_tlb[PPC44x_TLB_SIZE];
+ struct tlbe shadow_tlb[PPC44x_TLB_SIZE];
+};
+
+enum emulation_result {
+ EMULATE_DONE, /* no further processing */
+ EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
+ EMULATE_DO_DCR, /* kvm_run filled with DCR request */
+ EMULATE_FAIL, /* can't emulate this instruction */
+};
+
+extern const unsigned char exception_priority[];
+extern const unsigned char priority_exception[];
+
+extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
+extern char kvmppc_handlers_start[];
+extern unsigned long kvmppc_handler_len;
+
+extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
+extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ unsigned int rt, unsigned int bytes,
+ int is_bigendian);
+extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ u32 val, unsigned int bytes, int is_bigendian);
+
+extern int kvmppc_emulate_instruction(struct kvm_run *run,
+ struct kvm_vcpu *vcpu);
+
+extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gfn_t gfn,
+ u64 asid, u32 flags);
+extern void kvmppc_mmu_invalidate(struct kvm_vcpu *vcpu, u64 eaddr, u64 asid);
+extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
+
+extern void kvmppc_check_and_deliver_interrupts(struct kvm_vcpu *vcpu);
+
+static inline void kvmppc_queue_exception(struct kvm_vcpu *vcpu, int exception)
+{
+ unsigned int priority = exception_priority[exception];
+ set_bit(priority, &vcpu->arch.pending_exceptions);
+}
+
+static inline void kvmppc_clear_exception(struct kvm_vcpu *vcpu, int exception)
+{
+ unsigned int priority = exception_priority[exception];
+ clear_bit(priority, &vcpu->arch.pending_exceptions);
+}
+
+static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
+{
+ if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
+ kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
+
+ vcpu->arch.msr = new_msr;
+}
+
+#endif /* __POWERPC_KVM_PPC_H__ */
diff --git a/include/asm-powerpc/mmu-44x.h b/include/asm-powerpc/mmu-44x.h
index c8b02d97f75..a825524c981 100644
--- a/include/asm-powerpc/mmu-44x.h
+++ b/include/asm-powerpc/mmu-44x.h
@@ -53,6 +53,8 @@
#ifndef __ASSEMBLY__
+extern unsigned int tlb_44x_hwater;
+
typedef struct {
unsigned long id;
unsigned long vdso_base;
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild
index e92b429d2be..13c9805349f 100644
--- a/include/asm-s390/Kbuild
+++ b/include/asm-s390/Kbuild
@@ -7,6 +7,7 @@ header-y += tape390.h
header-y += ucontext.h
header-y += vtoc.h
header-y += zcrypt.h
+header-y += kvm.h
unifdef-y += cmb.h
unifdef-y += debug.h
diff --git a/include/asm-s390/kvm.h b/include/asm-s390/kvm.h
index 573f2a35138..d74002f9579 100644
--- a/include/asm-s390/kvm.h
+++ b/include/asm-s390/kvm.h
@@ -1,6 +1,45 @@
#ifndef __LINUX_KVM_S390_H
#define __LINUX_KVM_S390_H
-/* s390 does not support KVM */
+/*
+ * asm-s390/kvm.h - KVM s390 specific structures and definitions
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Carsten Otte <cotte@de.ibm.com>
+ * Christian Borntraeger <borntraeger@de.ibm.com>
+ */
+#include <asm/types.h>
+
+/* for KVM_GET_IRQCHIP and KVM_SET_IRQCHIP */
+struct kvm_pic_state {
+ /* no PIC for s390 */
+};
+
+struct kvm_ioapic_state {
+ /* no IOAPIC for s390 */
+};
+
+/* for KVM_GET_REGS and KVM_SET_REGS */
+struct kvm_regs {
+ /* general purpose regs for s390 */
+ __u64 gprs[16];
+};
+
+/* for KVM_GET_SREGS and KVM_SET_SREGS */
+struct kvm_sregs {
+ __u32 acrs[16];
+ __u64 crs[16];
+};
+
+/* for KVM_GET_FPU and KVM_SET_FPU */
+struct kvm_fpu {
+ __u32 fpc;
+ __u64 fprs[16];
+};
#endif
diff --git a/include/asm-s390/kvm_host.h b/include/asm-s390/kvm_host.h
new file mode 100644
index 00000000000..f8204a4f2e0
--- /dev/null
+++ b/include/asm-s390/kvm_host.h
@@ -0,0 +1,234 @@
+/*
+ * asm-s390/kvm_host.h - definition for kernel virtual machines on s390
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Carsten Otte <cotte@de.ibm.com>
+ */
+
+
+#ifndef ASM_KVM_HOST_H
+#define ASM_KVM_HOST_H
+#include <linux/kvm_host.h>
+#include <asm/debug.h>
+
+#define KVM_MAX_VCPUS 64
+#define KVM_MEMORY_SLOTS 32
+/* memory slots that does not exposed to userspace */
+#define KVM_PRIVATE_MEM_SLOTS 4
+
+struct kvm_guest_debug {
+};
+
+struct sca_entry {
+ atomic_t scn;
+ __u64 reserved;
+ __u64 sda;
+ __u64 reserved2[2];
+} __attribute__((packed));
+
+
+struct sca_block {
+ __u64 ipte_control;
+ __u64 reserved[5];
+ __u64 mcn;
+ __u64 reserved2;
+ struct sca_entry cpu[64];
+} __attribute__((packed));
+
+#define KVM_PAGES_PER_HPAGE 256
+
+#define CPUSTAT_HOST 0x80000000
+#define CPUSTAT_WAIT 0x10000000
+#define CPUSTAT_ECALL_PEND 0x08000000
+#define CPUSTAT_STOP_INT 0x04000000
+#define CPUSTAT_IO_INT 0x02000000
+#define CPUSTAT_EXT_INT 0x01000000
+#define CPUSTAT_RUNNING 0x00800000
+#define CPUSTAT_RETAINED 0x00400000
+#define CPUSTAT_TIMING_SUB 0x00020000
+#define CPUSTAT_SIE_SUB 0x00010000
+#define CPUSTAT_RRF 0x00008000
+#define CPUSTAT_SLSV 0x00004000
+#define CPUSTAT_SLSR 0x00002000
+#define CPUSTAT_ZARCH 0x00000800
+#define CPUSTAT_MCDS 0x00000100
+#define CPUSTAT_SM 0x00000080
+#define CPUSTAT_G 0x00000008
+#define CPUSTAT_J 0x00000002
+#define CPUSTAT_P 0x00000001
+
+struct sie_block {
+ atomic_t cpuflags; /* 0x0000 */
+ __u32 prefix; /* 0x0004 */
+ __u8 reserved8[32]; /* 0x0008 */
+ __u64 cputm; /* 0x0028 */
+ __u64 ckc; /* 0x0030 */
+ __u64 epoch; /* 0x0038 */
+ __u8 reserved40[4]; /* 0x0040 */
+#define LCTL_CR0 0x8000
+ __u16 lctl; /* 0x0044 */
+ __s16 icpua; /* 0x0046 */
+ __u32 ictl; /* 0x0048 */
+ __u32 eca; /* 0x004c */
+ __u8 icptcode; /* 0x0050 */
+ __u8 reserved51; /* 0x0051 */
+ __u16 ihcpu; /* 0x0052 */
+ __u8 reserved54[2]; /* 0x0054 */
+ __u16 ipa; /* 0x0056 */
+ __u32 ipb; /* 0x0058 */
+ __u32 scaoh; /* 0x005c */
+ __u8 reserved60; /* 0x0060 */
+ __u8 ecb; /* 0x0061 */
+ __u8 reserved62[2]; /* 0x0062 */
+ __u32 scaol; /* 0x0064 */
+ __u8 reserved68[4]; /* 0x0068 */
+ __u32 todpr; /* 0x006c */
+ __u8 reserved70[16]; /* 0x0070 */
+ __u64 gmsor; /* 0x0080 */
+ __u64 gmslm; /* 0x0088 */
+ psw_t gpsw; /* 0x0090 */
+ __u64 gg14; /* 0x00a0 */
+ __u64 gg15; /* 0x00a8 */
+ __u8 reservedb0[30]; /* 0x00b0 */
+ __u16 iprcc; /* 0x00ce */
+ __u8 reservedd0[48]; /* 0x00d0 */
+ __u64 gcr[16]; /* 0x0100 */
+ __u64 gbea; /* 0x0180 */
+ __u8 reserved188[120]; /* 0x0188 */
+} __attribute__((packed));
+
+struct kvm_vcpu_stat {
+ u32 exit_userspace;
+ u32 exit_external_request;
+ u32 exit_external_interrupt;
+ u32 exit_stop_request;
+ u32 exit_validity;
+ u32 exit_instruction;
+ u32 instruction_lctl;
+ u32 instruction_lctg;
+ u32 exit_program_interruption;
+ u32 exit_instr_and_program;
+ u32 deliver_emergency_signal;
+ u32 deliver_service_signal;
+ u32 deliver_virtio_interrupt;
+ u32 deliver_stop_signal;
+ u32 deliver_prefix_signal;
+ u32 deliver_restart_signal;
+ u32 deliver_program_int;
+ u32 exit_wait_state;
+ u32 instruction_stidp;
+ u32 instruction_spx;
+ u32 instruction_stpx;
+ u32 instruction_stap;
+ u32 instruction_storage_key;
+ u32 instruction_stsch;
+ u32 instruction_chsc;
+ u32 instruction_stsi;
+ u32 instruction_stfl;
+ u32 instruction_sigp_sense;
+ u32 instruction_sigp_emergency;
+ u32 instruction_sigp_stop;
+ u32 instruction_sigp_arch;
+ u32 instruction_sigp_prefix;
+ u32 instruction_sigp_restart;
+ u32 diagnose_44;
+};
+
+struct io_info {
+ __u16 subchannel_id; /* 0x0b8 */
+ __u16 subchannel_nr; /* 0x0ba */
+ __u32 io_int_parm; /* 0x0bc */
+ __u32 io_int_word; /* 0x0c0 */
+};
+
+struct ext_info {
+ __u32 ext_params;
+ __u64 ext_params2;
+};
+
+#define PGM_OPERATION 0x01
+#define PGM_PRIVILEGED_OPERATION 0x02
+#define PGM_EXECUTE 0x03
+#define PGM_PROTECTION 0x04
+#define PGM_ADDRESSING 0x05
+#define PGM_SPECIFICATION 0x06
+#define PGM_DATA 0x07
+
+struct pgm_info {
+ __u16 code;
+};
+
+struct prefix_info {
+ __u32 address;
+};
+
+struct interrupt_info {
+ struct list_head list;
+ u64 type;
+ union {
+ struct io_info io;
+ struct ext_info ext;
+ struct pgm_info pgm;
+ struct prefix_info prefix;
+ };
+};
+
+/* for local_interrupt.action_flags */
+#define ACTION_STORE_ON_STOP 1
+#define ACTION_STOP_ON_STOP 2
+
+struct local_interrupt {
+ spinlock_t lock;
+ struct list_head list;
+ atomic_t active;
+ struct float_interrupt *float_int;
+ int timer_due; /* event indicator for waitqueue below */
+ wait_queue_head_t wq;
+ atomic_t *cpuflags;
+ unsigned int action_bits;
+};
+
+struct float_interrupt {
+ spinlock_t lock;
+ struct list_head list;
+ atomic_t active;
+ int next_rr_cpu;
+ unsigned long idle_mask [(64 + sizeof(long) - 1) / sizeof(long)];
+ struct local_interrupt *local_int[64];
+};
+
+
+struct kvm_vcpu_arch {
+ struct sie_block *sie_block;
+ unsigned long guest_gprs[16];
+ s390_fp_regs host_fpregs;
+ unsigned int host_acrs[NUM_ACRS];
+ s390_fp_regs guest_fpregs;
+ unsigned int guest_acrs[NUM_ACRS];
+ struct local_interrupt local_int;
+ struct timer_list ckc_timer;
+ union {
+ cpuid_t cpu_id;
+ u64 stidp_data;
+ };
+};
+
+struct kvm_vm_stat {
+ u32 remote_tlb_flush;
+};
+
+struct kvm_arch{
+ unsigned long guest_origin;
+ unsigned long guest_memsize;
+ struct sca_block *sca;
+ debug_info_t *dbf;
+ struct float_interrupt float_int;
+};
+
+extern int sie64a(struct sie_block *, __u64 *);
+#endif
diff --git a/include/asm-s390/kvm_para.h b/include/asm-s390/kvm_para.h
new file mode 100644
index 00000000000..2c503796b61
--- /dev/null
+++ b/include/asm-s390/kvm_para.h
@@ -0,0 +1,150 @@
+/*
+ * asm-s390/kvm_para.h - definition for paravirtual devices on s390
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
+ */
+
+#ifndef __S390_KVM_PARA_H
+#define __S390_KVM_PARA_H
+
+/*
+ * Hypercalls for KVM on s390. The calling convention is similar to the
+ * s390 ABI, so we use R2-R6 for parameters 1-5. In addition we use R1
+ * as hypercall number and R7 as parameter 6. The return value is
+ * written to R2. We use the diagnose instruction as hypercall. To avoid
+ * conflicts with existing diagnoses for LPAR and z/VM, we do not use
+ * the instruction encoded number, but specify the number in R1 and
+ * use 0x500 as KVM hypercall
+ *
+ * Copyright IBM Corp. 2007,2008
+ * Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ */
+
+static inline long kvm_hypercall0(unsigned long nr)
+{
+ register unsigned long __nr asm("1") = nr;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr): "memory", "cc");
+ return __rc;
+}
+
+static inline long kvm_hypercall1(unsigned long nr, unsigned long p1)
+{
+ register unsigned long __nr asm("1") = nr;
+ register unsigned long __p1 asm("2") = p1;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr), "0" (__p1) : "memory", "cc");
+ return __rc;
+}
+
+static inline long kvm_hypercall2(unsigned long nr, unsigned long p1,
+ unsigned long p2)
+{
+ register unsigned long __nr asm("1") = nr;
+ register unsigned long __p1 asm("2") = p1;
+ register unsigned long __p2 asm("3") = p2;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2)
+ : "memory", "cc");
+ return __rc;
+}
+
+static inline long kvm_hypercall3(unsigned long nr, unsigned long p1,
+ unsigned long p2, unsigned long p3)
+{
+ register unsigned long __nr asm("1") = nr;
+ register unsigned long __p1 asm("2") = p1;
+ register unsigned long __p2 asm("3") = p2;
+ register unsigned long __p3 asm("4") = p3;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2),
+ "d" (__p3) : "memory", "cc");
+ return __rc;
+}
+
+
+static inline long kvm_hypercall4(unsigned long nr, unsigned long p1,
+ unsigned long p2, unsigned long p3,
+ unsigned long p4)
+{
+ register unsigned long __nr asm("1") = nr;
+ register unsigned long __p1 asm("2") = p1;
+ register unsigned long __p2 asm("3") = p2;
+ register unsigned long __p3 asm("4") = p3;
+ register unsigned long __p4 asm("5") = p4;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2),
+ "d" (__p3), "d" (__p4) : "memory", "cc");
+ return __rc;
+}
+
+static inline long kvm_hypercall5(unsigned long nr, unsigned long p1,
+ unsigned long p2, unsigned long p3,
+ unsigned long p4, unsigned long p5)
+{
+ register unsigned long __nr asm("1") = nr;
+ register unsigned long __p1 asm("2") = p1;
+ register unsigned long __p2 asm("3") = p2;
+ register unsigned long __p3 asm("4") = p3;
+ register unsigned long __p4 asm("5") = p4;
+ register unsigned long __p5 asm("6") = p5;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2),
+ "d" (__p3), "d" (__p4), "d" (__p5) : "memory", "cc");
+ return __rc;
+}
+
+static inline long kvm_hypercall6(unsigned long nr, unsigned long p1,
+ unsigned long p2, unsigned long p3,
+ unsigned long p4, unsigned long p5,
+ unsigned long p6)
+{
+ register unsigned long __nr asm("1") = nr;
+ register unsigned long __p1 asm("2") = p1;
+ register unsigned long __p2 asm("3") = p2;
+ register unsigned long __p3 asm("4") = p3;
+ register unsigned long __p4 asm("5") = p4;
+ register unsigned long __p5 asm("6") = p5;
+ register unsigned long __p6 asm("7") = p6;
+ register long __rc asm("2");
+
+ asm volatile ("diag 2,4,0x500\n"
+ : "=d" (__rc) : "d" (__nr), "0" (__p1), "d" (__p2),
+ "d" (__p3), "d" (__p4), "d" (__p5), "d" (__p6)
+ : "memory", "cc");
+ return __rc;
+}
+
+/* kvm on s390 is always paravirtualization enabled */
+static inline int kvm_para_available(void)
+{
+ return 1;
+}
+
+/* No feature bits are currently assigned for kvm on s390 */
+static inline unsigned int kvm_arch_para_features(void)
+{
+ return 0;
+}
+
+#endif /* __S390_KVM_PARA_H */
diff --git a/include/asm-s390/kvm_virtio.h b/include/asm-s390/kvm_virtio.h
new file mode 100644
index 00000000000..5c871a990c2
--- /dev/null
+++ b/include/asm-s390/kvm_virtio.h
@@ -0,0 +1,53 @@
+/*
+ * kvm_virtio.h - definition for virtio for kvm on s390
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ *
+ * Author(s): Christian Borntraeger <borntraeger@de.ibm.com>
+ */
+
+#ifndef __KVM_S390_VIRTIO_H
+#define __KVM_S390_VIRTIO_H
+
+#include <linux/types.h>
+
+struct kvm_device_desc {
+ /* The device type: console, network, disk etc. Type 0 terminates. */
+ __u8 type;
+ /* The number of virtqueues (first in config array) */
+ __u8 num_vq;
+ /*
+ * The number of bytes of feature bits. Multiply by 2: one for host
+ * features and one for guest acknowledgements.
+ */
+ __u8 feature_len;
+ /* The number of bytes of the config array after virtqueues. */
+ __u8 config_len;
+ /* A status byte, written by the Guest. */
+ __u8 status;
+ __u8 config[0];
+};
+
+/*
+ * This is how we expect the device configuration field for a virtqueue
+ * to be laid out in config space.
+ */
+struct kvm_vqconfig {
+ /* The token returned with an interrupt. Set by the guest */
+ __u64 token;
+ /* The address of the virtio ring */
+ __u64 address;
+ /* The number of entries in the virtio_ring */
+ __u16 num;
+
+};
+
+#define KVM_S390_VIRTIO_NOTIFY 0
+#define KVM_S390_VIRTIO_RESET 1
+#define KVM_S390_VIRTIO_SET_STATUS 2
+
+#endif
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h
index 5de3efb3144..0bc51d52a89 100644
--- a/include/asm-s390/lowcore.h
+++ b/include/asm-s390/lowcore.h
@@ -381,27 +381,32 @@ struct _lowcore
/* whether the kernel died with panic() or not */
__u32 panic_magic; /* 0xe00 */
- __u8 pad13[0x1200-0xe04]; /* 0xe04 */
+ __u8 pad13[0x11b8-0xe04]; /* 0xe04 */
+
+ /* 64 bit extparam used for pfault, diag 250 etc */
+ __u64 ext_params2; /* 0x11B8 */
+
+ __u8 pad14[0x1200-0x11C0]; /* 0x11C0 */
/* System info area */
__u64 floating_pt_save_area[16]; /* 0x1200 */
__u64 gpregs_save_area[16]; /* 0x1280 */
__u32 st_status_fixed_logout[4]; /* 0x1300 */
- __u8 pad14[0x1318-0x1310]; /* 0x1310 */
+ __u8 pad15[0x1318-0x1310]; /* 0x1310 */
__u32 prefixreg_save_area; /* 0x1318 */
__u32 fpt_creg_save_area; /* 0x131c */
- __u8 pad15[0x1324-0x1320]; /* 0x1320 */
+ __u8 pad16[0x1324-0x1320]; /* 0x1320 */
__u32 tod_progreg_save_area; /* 0x1324 */
__u32 cpu_timer_save_area[2]; /* 0x1328 */
__u32 clock_comp_save_area[2]; /* 0x1330 */
- __u8 pad16[0x1340-0x1338]; /* 0x1338 */
+ __u8 pad17[0x1340-0x1338]; /* 0x1338 */
__u32 access_regs_save_area[16]; /* 0x1340 */
__u64 cregs_save_area[16]; /* 0x1380 */
/* align to the top of the prefix area */
- __u8 pad17[0x2000-0x1400]; /* 0x1400 */
+ __u8 pad18[0x2000-0x1400]; /* 0x1400 */
#endif /* !__s390x__ */
} __attribute__((packed)); /* End structure*/
diff --git a/include/asm-s390/mmu.h b/include/asm-s390/mmu.h
index 1698e29c5b2..5dd5e7b3476 100644
--- a/include/asm-s390/mmu.h
+++ b/include/asm-s390/mmu.h
@@ -7,6 +7,7 @@ typedef struct {
unsigned long asce_bits;
unsigned long asce_limit;
int noexec;
+ int pgstes;
} mm_context_t;
#endif
diff --git a/include/asm-s390/mmu_context.h b/include/asm-s390/mmu_context.h
index b5a34c6f91a..4c2fbf48c9c 100644
--- a/include/asm-s390/mmu_context.h
+++ b/include/asm-s390/mmu_context.h
@@ -20,7 +20,13 @@ static inline int init_new_context(struct task_struct *tsk,
#ifdef CONFIG_64BIT
mm->context.asce_bits |= _ASCE_TYPE_REGION3;
#endif
- mm->context.noexec = s390_noexec;
+ if (current->mm->context.pgstes) {
+ mm->context.noexec = 0;
+ mm->context.pgstes = 1;
+ } else {
+ mm->context.noexec = s390_noexec;
+ mm->context.pgstes = 0;
+ }
mm->context.asce_limit = STACK_TOP_MAX;
crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
return 0;
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 65154dc9a9e..4c0698c0dda 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -30,6 +30,7 @@
*/
#ifndef __ASSEMBLY__
#include <linux/mm_types.h>
+#include <asm/bitops.h>
#include <asm/bug.h>
#include <asm/processor.h>
@@ -258,6 +259,13 @@ extern char empty_zero_page[PAGE_SIZE];
* swap pte is 1011 and 0001, 0011, 0101, 0111 are invalid.
*/
+/* Page status table bits for virtualization */
+#define RCP_PCL_BIT 55
+#define RCP_HR_BIT 54
+#define RCP_HC_BIT 53
+#define RCP_GR_BIT 50
+#define RCP_GC_BIT 49
+
#ifndef __s390x__
/* Bits in the segment table address-space-control-element */
@@ -513,6 +521,48 @@ static inline int pte_file(pte_t pte)
#define __HAVE_ARCH_PTE_SAME
#define pte_same(a,b) (pte_val(a) == pte_val(b))
+static inline void rcp_lock(pte_t *ptep)
+{
+#ifdef CONFIG_PGSTE
+ unsigned long *pgste = (unsigned long *) (ptep + PTRS_PER_PTE);
+ preempt_disable();
+ while (test_and_set_bit(RCP_PCL_BIT, pgste))
+ ;
+#endif
+}
+
+static inline void rcp_unlock(pte_t *ptep)
+{
+#ifdef CONFIG_PGSTE
+ unsigned long *pgste = (unsigned long *) (ptep + PTRS_PER_PTE);
+ clear_bit(RCP_PCL_BIT, pgste);
+ preempt_enable();
+#endif
+}
+
+/* forward declaration for SetPageUptodate in page-flags.h*/
+static inline void page_clear_dirty(struct page *page);
+#include <linux/page-flags.h>
+
+static inline void ptep_rcp_copy(pte_t *ptep)
+{
+#ifdef CONFIG_PGSTE
+ struct page *page = virt_to_page(pte_val(*ptep));
+ unsigned int skey;
+ unsigned long *pgste = (unsigned long *) (ptep + PTRS_PER_PTE);
+
+ skey = page_get_storage_key(page_to_phys(page));
+ if (skey & _PAGE_CHANGED)
+ set_bit_simple(RCP_GC_BIT, pgste);
+ if (skey & _PAGE_REFERENCED)
+ set_bit_simple(RCP_GR_BIT, pgste);
+ if (test_and_clear_bit_simple(RCP_HC_BIT, pgste))
+ SetPageDirty(page);
+ if (test_and_clear_bit_simple(RCP_HR_BIT, pgste))
+ SetPageReferenced(page);
+#endif
+}
+
/*
* query functions pte_write/pte_dirty/pte_young only work if
* pte_present() is true. Undefined behaviour if not..
@@ -599,6 +649,8 @@ static inline void pmd_clear(pmd_t *pmd)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
+ if (mm->context.pgstes)
+ ptep_rcp_copy(ptep);
pte_val(*ptep) = _PAGE_TYPE_EMPTY;
if (mm->context.noexec)
pte_val(ptep[PTRS_PER_PTE]) = _PAGE_TYPE_EMPTY;
@@ -667,6 +719,24 @@ static inline pte_t pte_mkyoung(pte_t pte)
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
{
+#ifdef CONFIG_PGSTE
+ unsigned long physpage;
+ int young;
+ unsigned long *pgste;
+
+ if (!vma->vm_mm->context.pgstes)
+ return 0;
+ physpage = pte_val(*ptep) & PAGE_MASK;
+ pgste = (unsigned long *) (ptep + PTRS_PER_PTE);
+
+ young = ((page_get_storage_key(physpage) & _PAGE_REFERENCED) != 0);
+ rcp_lock(ptep);
+ if (young)
+ set_bit_simple(RCP_GR_BIT, pgste);
+ young |= test_and_clear_bit_simple(RCP_HR_BIT, pgste);
+ rcp_unlock(ptep);
+ return young;
+#endif
return 0;
}
@@ -674,7 +744,13 @@ static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
static inline int ptep_clear_flush_young(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
{
- /* No need to flush TLB; bits are in storage key */
+ /* No need to flush TLB
+ * On s390 reference bits are in storage key and never in TLB
+ * With virtualization we handle the reference bit, without we
+ * we can simply return */
+#ifdef CONFIG_PGSTE
+ return ptep_test_and_clear_young(vma, address, ptep);
+#endif
return 0;
}
@@ -693,15 +769,25 @@ static inline void __ptep_ipte(unsigned long address, pte_t *ptep)
: "=m" (*ptep) : "m" (*ptep),
"a" (pto), "a" (address));
}
- pte_val(*ptep) = _PAGE_TYPE_EMPTY;
}
static inline void ptep_invalidate(struct mm_struct *mm,
unsigned long address, pte_t *ptep)
{
+ if (mm->context.pgstes) {
+ rcp_lock(ptep);
+ __ptep_ipte(address, ptep);
+ ptep_rcp_copy(ptep);
+ pte_val(*ptep) = _PAGE_TYPE_EMPTY;
+ rcp_unlock(ptep);
+ return;
+ }
__ptep_ipte(address, ptep);
- if (mm->context.noexec)
+ pte_val(*ptep) = _PAGE_TYPE_EMPTY;
+ if (mm->context.noexec) {
__ptep_ipte(address, ptep + PTRS_PER_PTE);
+ pte_val(*(ptep + PTRS_PER_PTE)) = _PAGE_TYPE_EMPTY;
+ }
}
/*
@@ -966,6 +1052,7 @@ static inline pte_t mk_swap_pte(unsigned long type, unsigned long offset)
extern int add_shared_memory(unsigned long start, unsigned long size);
extern int remove_shared_memory(unsigned long start, unsigned long size);
+extern int s390_enable_sie(void);
/*
* No page table caches to initialise
diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index a76a6b8fd88..aaf4b518b94 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -62,6 +62,7 @@ extern unsigned long machine_flags;
#define MACHINE_IS_VM (machine_flags & 1)
#define MACHINE_IS_P390 (machine_flags & 4)
#define MACHINE_HAS_MVPG (machine_flags & 16)
+#define MACHINE_IS_KVM (machine_flags & 64)
#define MACHINE_HAS_IDTE (machine_flags & 128)
#define MACHINE_HAS_DIAG9C (machine_flags & 256)
diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h
index 7a71120426a..80eefef2cc7 100644
--- a/include/asm-x86/kvm.h
+++ b/include/asm-x86/kvm.h
@@ -188,4 +188,45 @@ struct kvm_cpuid2 {
struct kvm_cpuid_entry2 entries[0];
};
+/* for KVM_GET_PIT and KVM_SET_PIT */
+struct kvm_pit_channel_state {
+ __u32 count; /* can be 65536 */
+ __u16 latched_count;
+ __u8 count_latched;
+ __u8 status_latched;
+ __u8 status;
+ __u8 read_state;
+ __u8 write_state;
+ __u8 write_latch;
+ __u8 rw_mode;
+ __u8 mode;
+ __u8 bcd;
+ __u8 gate;
+ __s64 count_load_time;
+};
+
+struct kvm_pit_state {
+ struct kvm_pit_channel_state channels[3];
+};
+
+#define KVM_TRC_INJ_VIRQ (KVM_TRC_HANDLER + 0x02)
+#define KVM_TRC_REDELIVER_EVT (KVM_TRC_HANDLER + 0x03)
+#define KVM_TRC_PEND_INTR (KVM_TRC_HANDLER + 0x04)
+#define KVM_TRC_IO_READ (KVM_TRC_HANDLER + 0x05)
+#define KVM_TRC_IO_WRITE (KVM_TRC_HANDLER + 0x06)
+#define KVM_TRC_CR_READ (KVM_TRC_HANDLER + 0x07)
+#define KVM_TRC_CR_WRITE (KVM_TRC_HANDLER + 0x08)
+#define KVM_TRC_DR_READ (KVM_TRC_HANDLER + 0x09)
+#define KVM_TRC_DR_WRITE (KVM_TRC_HANDLER + 0x0A)
+#define KVM_TRC_MSR_READ (KVM_TRC_HANDLER + 0x0B)
+#define KVM_TRC_MSR_WRITE (KVM_TRC_HANDLER + 0x0C)
+#define KVM_TRC_CPUID (KVM_TRC_HANDLER + 0x0D)
+#define KVM_TRC_INTR (KVM_TRC_HANDLER + 0x0E)
+#define KVM_TRC_NMI (KVM_TRC_HANDLER + 0x0F)
+#define KVM_TRC_VMMCALL (KVM_TRC_HANDLER + 0x10)
+#define KVM_TRC_HLT (KVM_TRC_HANDLER + 0x11)
+#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
+#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
+#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
+
#endif
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index 68ee390b284..9d963cd6533 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -20,6 +20,13 @@
#include <asm/desc.h>
+#define KVM_MAX_VCPUS 16
+#define KVM_MEMORY_SLOTS 32
+/* memory slots that does not exposed to userspace */
+#define KVM_PRIVATE_MEM_SLOTS 4
+
+#define KVM_PIO_PAGE_OFFSET 1
+
#define CR3_PAE_RESERVED_BITS ((X86_CR3_PWT | X86_CR3_PCD) - 1)
#define CR3_NONPAE_RESERVED_BITS ((PAGE_SIZE-1) & ~(X86_CR3_PWT | X86_CR3_PCD))
#define CR3_L_MODE_RESERVED_BITS (CR3_NONPAE_RESERVED_BITS | \
@@ -39,6 +46,13 @@
#define INVALID_PAGE (~(hpa_t)0)
#define UNMAPPED_GVA (~(gpa_t)0)
+/* shadow tables are PAE even on non-PAE hosts */
+#define KVM_HPAGE_SHIFT 21
+#define KVM_HPAGE_SIZE (1UL << KVM_HPAGE_SHIFT)
+#define KVM_HPAGE_MASK (~(KVM_HPAGE_SIZE - 1))
+
+#define KVM_PAGES_PER_HPAGE (KVM_HPAGE_SIZE / PAGE_SIZE)
+
#define DE_VECTOR 0
#define UD_VECTOR 6
#define NM_VECTOR 7
@@ -48,6 +62,7 @@
#define SS_VECTOR 12
#define GP_VECTOR 13
#define PF_VECTOR 14
+#define MC_VECTOR 18
#define SELECTOR_TI_MASK (1 << 2)
#define SELECTOR_RPL_MASK 0x03
@@ -58,7 +73,8 @@
#define KVM_PERMILLE_MMU_PAGES 20
#define KVM_MIN_ALLOC_MMU_PAGES 64
-#define KVM_NUM_MMU_PAGES 1024
+#define KVM_MMU_HASH_SHIFT 10
+#define KVM_NUM_MMU_PAGES (1 << KVM_MMU_HASH_SHIFT)
#define KVM_MIN_FREE_MMU_PAGES 5
#define KVM_REFILL_PAGES 25
#define KVM_MAX_CPUID_ENTRIES 40
@@ -106,6 +122,12 @@ enum {
#define KVM_NR_MEM_OBJS 40
+struct kvm_guest_debug {
+ int enabled;
+ unsigned long bp[4];
+ int singlestep;
+};
+
/*
* We don't want allocation failures within the mmu code, so we preallocate
* enough memory for a single page fault in a cache.
@@ -140,6 +162,7 @@ union kvm_mmu_page_role {
unsigned pad_for_nice_hex_output:6;
unsigned metaphysical:1;
unsigned access:3;
+ unsigned invalid:1;
};
};
@@ -204,11 +227,6 @@ struct kvm_vcpu_arch {
u64 shadow_efer;
u64 apic_base;
struct kvm_lapic *apic; /* kernel irqchip context */
-#define VCPU_MP_STATE_RUNNABLE 0
-#define VCPU_MP_STATE_UNINITIALIZED 1
-#define VCPU_MP_STATE_INIT_RECEIVED 2
-#define VCPU_MP_STATE_SIPI_RECEIVED 3
-#define VCPU_MP_STATE_HALTED 4
int mp_state;
int sipi_vector;
u64 ia32_misc_enable_msr;
@@ -226,8 +244,9 @@ struct kvm_vcpu_arch {
u64 *last_pte_updated;
struct {
- gfn_t gfn; /* presumed gfn during guest pte update */
- struct page *page; /* page corresponding to that gfn */
+ gfn_t gfn; /* presumed gfn during guest pte update */
+ pfn_t pfn; /* pfn corresponding to that gfn */
+ int largepage;
} update_pte;
struct i387_fxsave_struct host_fx_image;
@@ -261,6 +280,11 @@ struct kvm_vcpu_arch {
/* emulate context */
struct x86_emulate_ctxt emulate_ctxt;
+
+ gpa_t time;
+ struct kvm_vcpu_time_info hv_clock;
+ unsigned int time_offset;
+ struct page *time_page;
};
struct kvm_mem_alias {
@@ -283,10 +307,13 @@ struct kvm_arch{
struct list_head active_mmu_pages;
struct kvm_pic *vpic;
struct kvm_ioapic *vioapic;
+ struct kvm_pit *vpit;
int round_robin_prev_vcpu;
unsigned int tss_addr;
struct page *apic_access_page;
+
+ gpa_t wall_clock;
};
struct kvm_vm_stat {
@@ -298,6 +325,7 @@ struct kvm_vm_stat {
u32 mmu_recycled;
u32 mmu_cache_miss;
u32 remote_tlb_flush;
+ u32 lpages;
};
struct kvm_vcpu_stat {
@@ -320,6 +348,7 @@ struct kvm_vcpu_stat {
u32 fpu_reload;
u32 insn_emulation;
u32 insn_emulation_fail;
+ u32 hypercalls;
};
struct descriptor_table {
@@ -355,6 +384,7 @@ struct kvm_x86_ops {
u64 (*get_segment_base)(struct kvm_vcpu *vcpu, int seg);
void (*get_segment)(struct kvm_vcpu *vcpu,
struct kvm_segment *var, int seg);
+ int (*get_cpl)(struct kvm_vcpu *vcpu);
void (*set_segment)(struct kvm_vcpu *vcpu,
struct kvm_segment *var, int seg);
void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
@@ -410,6 +440,15 @@ void kvm_mmu_zap_all(struct kvm *kvm);
unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm);
void kvm_mmu_change_mmu_pages(struct kvm *kvm, unsigned int kvm_nr_mmu_pages);
+int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
+
+int emulator_write_phys(struct kvm_vcpu *vcpu, gpa_t gpa,
+ const void *val, int bytes);
+int kvm_pv_mmu_op(struct kvm_vcpu *vcpu, unsigned long bytes,
+ gpa_t addr, unsigned long *ret);
+
+extern bool tdp_enabled;
+
enum emulation_result {
EMULATE_DONE, /* no further processing */
EMULATE_DO_MMIO, /* kvm_run filled with mmio request */
@@ -429,6 +468,7 @@ void realmode_lmsw(struct kvm_vcpu *vcpu, unsigned long msw,
unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr);
void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long value,
unsigned long *rflags);
+void kvm_enable_efer_bits(u64);
int kvm_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *data);
int kvm_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data);
@@ -448,12 +488,14 @@ int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr,
int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
unsigned long value);
-void set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
-void set_cr3(struct kvm_vcpu *vcpu, unsigned long cr0);
-void set_cr4(struct kvm_vcpu *vcpu, unsigned long cr0);
-void set_cr8(struct kvm_vcpu *vcpu, unsigned long cr0);
-unsigned long get_cr8(struct kvm_vcpu *vcpu);
-void lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
+int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason);
+
+void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0);
+void kvm_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3);
+void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4);
+void kvm_set_cr8(struct kvm_vcpu *vcpu, unsigned long cr8);
+unsigned long kvm_get_cr8(struct kvm_vcpu *vcpu);
+void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw);
void kvm_get_cs_db_l_bits(struct kvm_vcpu *vcpu, int *db, int *l);
int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata);
@@ -491,6 +533,8 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu);
int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code);
+void kvm_enable_tdp(void);
+
int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
int complete_pio(struct kvm_vcpu *vcpu);
@@ -600,6 +644,7 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
#define ASM_VMX_VMWRITE_RSP_RDX ".byte 0x0f, 0x79, 0xd4"
#define ASM_VMX_VMXOFF ".byte 0x0f, 0x01, 0xc4"
#define ASM_VMX_VMXON_RAX ".byte 0xf3, 0x0f, 0xc7, 0x30"
+#define ASM_VMX_INVVPID ".byte 0x66, 0x0f, 0x38, 0x81, 0x08"
#define MSR_IA32_TIME_STAMP_COUNTER 0x010
@@ -610,4 +655,30 @@ static inline void kvm_inject_gp(struct kvm_vcpu *vcpu, u32 error_code)
#define RMODE_TSS_SIZE \
(TSS_BASE_SIZE + TSS_REDIRECTION_SIZE + TSS_IOPB_SIZE + 1)
+enum {
+ TASK_SWITCH_CALL = 0,
+ TASK_SWITCH_IRET = 1,
+ TASK_SWITCH_JMP = 2,
+ TASK_SWITCH_GATE = 3,
+};
+
+#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 5, d1, d2, d3, d4, d5)
+#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 4, d1, d2, d3, d4, 0)
+#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 3, d1, d2, d3, 0, 0)
+#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 2, d1, d2, 0, 0, 0)
+#define KVMTRACE_1D(evt, vcpu, d1, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 1, d1, 0, 0, 0, 0)
+#define KVMTRACE_0D(evt, vcpu, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 0, 0, 0, 0, 0, 0)
+
#endif
diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h
index c6f3fd8d8c5..50984594207 100644
--- a/include/asm-x86/kvm_para.h
+++ b/include/asm-x86/kvm_para.h
@@ -10,10 +10,65 @@
* paravirtualization, the appropriate feature bit should be checked.
*/
#define KVM_CPUID_FEATURES 0x40000001
+#define KVM_FEATURE_CLOCKSOURCE 0
+#define KVM_FEATURE_NOP_IO_DELAY 1
+#define KVM_FEATURE_MMU_OP 2
+
+#define MSR_KVM_WALL_CLOCK 0x11
+#define MSR_KVM_SYSTEM_TIME 0x12
+
+#define KVM_MAX_MMU_OP_BATCH 32
+
+/* Operations for KVM_HC_MMU_OP */
+#define KVM_MMU_OP_WRITE_PTE 1
+#define KVM_MMU_OP_FLUSH_TLB 2
+#define KVM_MMU_OP_RELEASE_PT 3
+
+/* Payload for KVM_HC_MMU_OP */
+struct kvm_mmu_op_header {
+ __u32 op;
+ __u32 pad;
+};
+
+struct kvm_mmu_op_write_pte {
+ struct kvm_mmu_op_header header;
+ __u64 pte_phys;
+ __u64 pte_val;
+};
+
+struct kvm_mmu_op_flush_tlb {
+ struct kvm_mmu_op_header header;
+};
+
+struct kvm_mmu_op_release_pt {
+ struct kvm_mmu_op_header header;
+ __u64 pt_phys;
+};
#ifdef __KERNEL__
#include <asm/processor.h>
+/* xen binary-compatible interface. See xen headers for details */
+struct kvm_vcpu_time_info {
+ uint32_t version;
+ uint32_t pad0;
+ uint64_t tsc_timestamp;
+ uint64_t system_time;
+ uint32_t tsc_to_system_mul;
+ int8_t tsc_shift;
+ int8_t pad[3];
+} __attribute__((__packed__)); /* 32 bytes */
+
+struct kvm_wall_clock {
+ uint32_t wc_version;
+ uint32_t wc_sec;
+ uint32_t wc_nsec;
+} __attribute__((__packed__));
+
+
+extern void kvmclock_init(void);
+
+
/* This instruction is vmcall. On non-VT architectures, it will generate a
* trap that we will then rewrite to the appropriate instruction.
*/
diff --git a/include/asm-x86/reboot.h b/include/asm-x86/reboot.h
index 6b5233b4f84..e63741f1939 100644
--- a/include/asm-x86/reboot.h
+++ b/include/asm-x86/reboot.h
@@ -15,5 +15,7 @@ struct machine_ops {
extern struct machine_ops machine_ops;
void machine_real_restart(unsigned char *code, int length);
+void native_machine_crash_shutdown(struct pt_regs *regs);
+void native_machine_shutdown(void);
#endif /* _ASM_REBOOT_H */
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index c1ec04fd000..a281afeddfb 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -8,11 +8,18 @@
*/
#include <asm/types.h>
+#include <linux/compiler.h>
#include <linux/ioctl.h>
#include <asm/kvm.h>
#define KVM_API_VERSION 12
+/* for KVM_TRACE_ENABLE */
+struct kvm_user_trace_setup {
+ __u32 buf_size; /* sub_buffer size of each per-cpu */
+ __u32 buf_nr; /* the number of sub_buffers of each per-cpu */
+};
+
/* for KVM_CREATE_MEMORY_REGION */
struct kvm_memory_region {
__u32 slot;
@@ -73,6 +80,9 @@ struct kvm_irqchip {
#define KVM_EXIT_INTR 10
#define KVM_EXIT_SET_TPR 11
#define KVM_EXIT_TPR_ACCESS 12
+#define KVM_EXIT_S390_SIEIC 13
+#define KVM_EXIT_S390_RESET 14
+#define KVM_EXIT_DCR 15
/* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */
struct kvm_run {
@@ -137,6 +147,27 @@ struct kvm_run {
__u32 is_write;
__u32 pad;
} tpr_access;
+ /* KVM_EXIT_S390_SIEIC */
+ struct {
+ __u8 icptcode;
+ __u64 mask; /* psw upper half */
+ __u64 addr; /* psw lower half */
+ __u16 ipa;
+ __u32 ipb;
+ } s390_sieic;
+ /* KVM_EXIT_S390_RESET */
+#define KVM_S390_RESET_POR 1
+#define KVM_S390_RESET_CLEAR 2
+#define KVM_S390_RESET_SUBSYSTEM 4
+#define KVM_S390_RESET_CPU_INIT 8
+#define KVM_S390_RESET_IPL 16
+ __u64 s390_reset_flags;
+ /* KVM_EXIT_DCR */
+ struct {
+ __u32 dcrn;
+ __u32 data;
+ __u8 is_write;
+ } dcr;
/* Fix the size of the union. */
char padding[256];
};
@@ -204,6 +235,74 @@ struct kvm_vapic_addr {
__u64 vapic_addr;
};
+/* for KVM_SET_MPSTATE */
+
+#define KVM_MP_STATE_RUNNABLE 0
+#define KVM_MP_STATE_UNINITIALIZED 1
+#define KVM_MP_STATE_INIT_RECEIVED 2
+#define KVM_MP_STATE_HALTED 3
+#define KVM_MP_STATE_SIPI_RECEIVED 4
+
+struct kvm_mp_state {
+ __u32 mp_state;
+};
+
+struct kvm_s390_psw {
+ __u64 mask;
+ __u64 addr;
+};
+
+/* valid values for type in kvm_s390_interrupt */
+#define KVM_S390_SIGP_STOP 0xfffe0000u
+#define KVM_S390_PROGRAM_INT 0xfffe0001u
+#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
+#define KVM_S390_RESTART 0xfffe0003u
+#define KVM_S390_INT_VIRTIO 0xffff2603u
+#define KVM_S390_INT_SERVICE 0xffff2401u
+#define KVM_S390_INT_EMERGENCY 0xffff1201u
+
+struct kvm_s390_interrupt {
+ __u32 type;
+ __u32 parm;
+ __u64 parm64;
+};
+
+#define KVM_TRC_SHIFT 16
+/*
+ * kvm trace categories
+ */
+#define KVM_TRC_ENTRYEXIT (1 << KVM_TRC_SHIFT)
+#define KVM_TRC_HANDLER (1 << (KVM_TRC_SHIFT + 1)) /* only 12 bits */
+
+/*
+ * kvm trace action
+ */
+#define KVM_TRC_VMENTRY (KVM_TRC_ENTRYEXIT + 0x01)
+#define KVM_TRC_VMEXIT (KVM_TRC_ENTRYEXIT + 0x02)
+#define KVM_TRC_PAGE_FAULT (KVM_TRC_HANDLER + 0x01)
+
+#define KVM_TRC_HEAD_SIZE 12
+#define KVM_TRC_CYCLE_SIZE 8
+#define KVM_TRC_EXTRA_MAX 7
+
+/* This structure represents a single trace buffer record. */
+struct kvm_trace_rec {
+ __u32 event:28;
+ __u32 extra_u32:3;
+ __u32 cycle_in:1;
+ __u32 pid;
+ __u32 vcpu_id;
+ union {
+ struct {
+ __u32 cycle_lo, cycle_hi;
+ __u32 extra_u32[KVM_TRC_EXTRA_MAX];
+ } cycle;
+ struct {
+ __u32 extra_u32[KVM_TRC_EXTRA_MAX];
+ } nocycle;
+ } u;
+};
+
#define KVMIO 0xAE
/*
@@ -212,6 +311,8 @@ struct kvm_vapic_addr {
#define KVM_GET_API_VERSION _IO(KVMIO, 0x00)
#define KVM_CREATE_VM _IO(KVMIO, 0x01) /* returns a VM fd */
#define KVM_GET_MSR_INDEX_LIST _IOWR(KVMIO, 0x02, struct kvm_msr_list)
+
+#define KVM_S390_ENABLE_SIE _IO(KVMIO, 0x06)
/*
* Check if a kvm extension is available. Argument is extension number,
* return is 1 (yes) or 0 (no, sorry).
@@ -222,7 +323,12 @@ struct kvm_vapic_addr {
*/
#define KVM_GET_VCPU_MMAP_SIZE _IO(KVMIO, 0x04) /* in bytes */
#define KVM_GET_SUPPORTED_CPUID _IOWR(KVMIO, 0x05, struct kvm_cpuid2)
-
+/*
+ * ioctls for kvm trace
+ */
+#define KVM_TRACE_ENABLE _IOW(KVMIO, 0x06, struct kvm_user_trace_setup)
+#define KVM_TRACE_PAUSE _IO(KVMIO, 0x07)
+#define KVM_TRACE_DISABLE _IO(KVMIO, 0x08)
/*
* Extension capability list.
*/
@@ -233,6 +339,13 @@ struct kvm_vapic_addr {
#define KVM_CAP_SET_TSS_ADDR 4
#define KVM_CAP_VAPIC 6
#define KVM_CAP_EXT_CPUID 7
+#define KVM_CAP_CLOCKSOURCE 8
+#define KVM_CAP_NR_VCPUS 9 /* returns max vcpus per vm */
+#define KVM_CAP_NR_MEMSLOTS 10 /* returns max memory slots per vm */
+#define KVM_CAP_PIT 11
+#define KVM_CAP_NOP_IO_DELAY 12
+#define KVM_CAP_PV_MMU 13
+#define KVM_CAP_MP_STATE 14
/*
* ioctls for VM fds
@@ -255,6 +368,9 @@ struct kvm_vapic_addr {
#define KVM_IRQ_LINE _IOW(KVMIO, 0x61, struct kvm_irq_level)
#define KVM_GET_IRQCHIP _IOWR(KVMIO, 0x62, struct kvm_irqchip)
#define KVM_SET_IRQCHIP _IOR(KVMIO, 0x63, struct kvm_irqchip)
+#define KVM_CREATE_PIT _IO(KVMIO, 0x64)
+#define KVM_GET_PIT _IOWR(KVMIO, 0x65, struct kvm_pit_state)
+#define KVM_SET_PIT _IOR(KVMIO, 0x66, struct kvm_pit_state)
/*
* ioctls for vcpu fds
@@ -281,5 +397,17 @@ struct kvm_vapic_addr {
#define KVM_TPR_ACCESS_REPORTING _IOWR(KVMIO, 0x92, struct kvm_tpr_access_ctl)
/* Available with KVM_CAP_VAPIC */
#define KVM_SET_VAPIC_ADDR _IOW(KVMIO, 0x93, struct kvm_vapic_addr)
+/* valid for virtual machine (for floating interrupt)_and_ vcpu */
+#define KVM_S390_INTERRUPT _IOW(KVMIO, 0x94, struct kvm_s390_interrupt)
+/* store status for s390 */
+#define KVM_S390_STORE_STATUS_NOADDR (-1ul)
+#define KVM_S390_STORE_STATUS_PREFIXED (-2ul)
+#define KVM_S390_STORE_STATUS _IOW(KVMIO, 0x95, unsigned long)
+/* initial ipl psw for s390 */
+#define KVM_S390_SET_INITIAL_PSW _IOW(KVMIO, 0x96, struct kvm_s390_psw)
+/* initial reset for s390 */
+#define KVM_S390_INITIAL_RESET _IO(KVMIO, 0x97)
+#define KVM_GET_MP_STATE _IOR(KVMIO, 0x98, struct kvm_mp_state)
+#define KVM_SET_MP_STATE _IOW(KVMIO, 0x99, struct kvm_mp_state)
#endif
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 928b0d59e9b..398978972b7 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -15,6 +15,7 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/preempt.h>
+#include <linux/marker.h>
#include <asm/signal.h>
#include <linux/kvm.h>
@@ -24,29 +25,18 @@
#include <asm/kvm_host.h>
-#define KVM_MAX_VCPUS 4
-#define KVM_MEMORY_SLOTS 8
-/* memory slots that does not exposed to userspace */
-#define KVM_PRIVATE_MEM_SLOTS 4
-
-#define KVM_PIO_PAGE_OFFSET 1
-
/*
* vcpu->requests bit members
*/
#define KVM_REQ_TLB_FLUSH 0
#define KVM_REQ_MIGRATE_TIMER 1
#define KVM_REQ_REPORT_TPR_ACCESS 2
+#define KVM_REQ_MMU_RELOAD 3
+#define KVM_REQ_TRIPLE_FAULT 4
struct kvm_vcpu;
extern struct kmem_cache *kvm_vcpu_cache;
-struct kvm_guest_debug {
- int enabled;
- unsigned long bp[4];
- int singlestep;
-};
-
/*
* It would be nice to use something smarter than a linear search, TBD...
* Thankfully we dont expect many devices to register (famous last words :),
@@ -67,7 +57,9 @@ void kvm_io_bus_register_dev(struct kvm_io_bus *bus,
struct kvm_vcpu {
struct kvm *kvm;
+#ifdef CONFIG_PREEMPT_NOTIFIERS
struct preempt_notifier preempt_notifier;
+#endif
int vcpu_id;
struct mutex mutex;
int cpu;
@@ -100,6 +92,10 @@ struct kvm_memory_slot {
unsigned long flags;
unsigned long *rmap;
unsigned long *dirty_bitmap;
+ struct {
+ unsigned long rmap_pde;
+ int write_count;
+ } *lpage_info;
unsigned long userspace_addr;
int user_alloc;
};
@@ -114,11 +110,11 @@ struct kvm {
KVM_PRIVATE_MEM_SLOTS];
struct kvm_vcpu *vcpus[KVM_MAX_VCPUS];
struct list_head vm_list;
- struct file *filp;
struct kvm_io_bus mmio_bus;
struct kvm_io_bus pio_bus;
struct kvm_vm_stat stat;
struct kvm_arch arch;
+ atomic_t users_count;
};
/* The guest did something we don't support. */
@@ -145,14 +141,19 @@ int kvm_init(void *opaque, unsigned int vcpu_size,
struct module *module);
void kvm_exit(void);
+void kvm_get_kvm(struct kvm *kvm);
+void kvm_put_kvm(struct kvm *kvm);
+
#define HPA_MSB ((sizeof(hpa_t) * 8) - 1)
#define HPA_ERR_MASK ((hpa_t)1 << HPA_MSB)
static inline int is_error_hpa(hpa_t hpa) { return hpa >> HPA_MSB; }
struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva);
extern struct page *bad_page;
+extern pfn_t bad_pfn;
int is_error_page(struct page *page);
+int is_error_pfn(pfn_t pfn);
int kvm_is_error_hva(unsigned long addr);
int kvm_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
@@ -166,8 +167,19 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
int user_alloc);
gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
+unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
void kvm_release_page_clean(struct page *page);
void kvm_release_page_dirty(struct page *page);
+void kvm_set_page_dirty(struct page *page);
+void kvm_set_page_accessed(struct page *page);
+
+pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+void kvm_release_pfn_dirty(pfn_t);
+void kvm_release_pfn_clean(pfn_t pfn);
+void kvm_set_pfn_dirty(pfn_t pfn);
+void kvm_set_pfn_accessed(pfn_t pfn);
+void kvm_get_pfn(pfn_t pfn);
+
int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset,
int len);
int kvm_read_guest_atomic(struct kvm *kvm, gpa_t gpa, void *data,
@@ -188,6 +200,7 @@ void kvm_resched(struct kvm_vcpu *vcpu);
void kvm_load_guest_fpu(struct kvm_vcpu *vcpu);
void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
void kvm_flush_remote_tlbs(struct kvm *kvm);
+void kvm_reload_remote_mmus(struct kvm *kvm);
long kvm_arch_dev_ioctl(struct file *filp,
unsigned int ioctl, unsigned long arg);
@@ -223,6 +236,10 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs);
int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
struct kvm_sregs *sregs);
+int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
+ struct kvm_mp_state *mp_state);
+int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
+ struct kvm_mp_state *mp_state);
int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu,
struct kvm_debug_guest *dbg);
int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run);
@@ -255,6 +272,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm);
int kvm_cpu_get_interrupt(struct kvm_vcpu *v);
int kvm_cpu_has_interrupt(struct kvm_vcpu *v);
+int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu);
void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
static inline void kvm_guest_enter(void)
@@ -296,5 +314,18 @@ struct kvm_stats_debugfs_item {
struct dentry *dentry;
};
extern struct kvm_stats_debugfs_item debugfs_entries[];
+extern struct dentry *kvm_debugfs_dir;
+
+#ifdef CONFIG_KVM_TRACE
+int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg);
+void kvm_trace_cleanup(void);
+#else
+static inline
+int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg)
+{
+ return -EINVAL;
+}
+#define kvm_trace_cleanup() ((void)0)
+#endif
#endif
diff --git a/include/linux/kvm_para.h b/include/linux/kvm_para.h
index 5497aac0d2f..3ddce03766c 100644
--- a/include/linux/kvm_para.h
+++ b/include/linux/kvm_para.h
@@ -11,8 +11,11 @@
/* Return values for hypercalls */
#define KVM_ENOSYS 1000
+#define KVM_EFAULT EFAULT
+#define KVM_E2BIG E2BIG
-#define KVM_HC_VAPIC_POLL_IRQ 1
+#define KVM_HC_VAPIC_POLL_IRQ 1
+#define KVM_HC_MMU_OP 2
/*
* hypercalls use architecture specific
@@ -20,6 +23,12 @@
#include <asm/kvm_para.h>
#ifdef __KERNEL__
+#ifdef CONFIG_KVM_GUEST
+void __init kvm_guest_init(void);
+#else
+#define kvm_guest_init() do { } while (0)
+#endif
+
static inline int kvm_para_has_feature(unsigned int feature)
{
if (kvm_arch_para_features() & (1UL << feature))
diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h
index 1c4e46decb2..9b6f395c962 100644
--- a/include/linux/kvm_types.h
+++ b/include/linux/kvm_types.h
@@ -38,6 +38,8 @@ typedef unsigned long hva_t;
typedef u64 hpa_t;
typedef unsigned long hfn_t;
+typedef hfn_t pfn_t;
+
struct kvm_pio_request {
unsigned long count;
int cur_count;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d0bd97044ab..9a4f3e63e3b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1798,6 +1798,8 @@ extern void mmput(struct mm_struct *);
extern struct mm_struct *get_task_mm(struct task_struct *task);
/* Remove the current tasks stale references to the old mm_struct */
extern void mm_release(struct task_struct *, struct mm_struct *);
+/* Allocate a new mm structure and copy contents from tsk->mm */
+extern struct mm_struct *dup_mm(struct task_struct *tsk);
extern int copy_thread(int, unsigned long, unsigned long, unsigned long, struct task_struct *, struct pt_regs *);
extern void flush_thread(void);