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KVM: ia64: remove
KVM for ia64 has been marked as broken not just once, but twice even, and the last patch from the maintainer is now roughly 5 years old. Time for it to rest in peace. Acked-by: Gleb Natapov <gleb@kernel.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
parent
86619e7ba3
commit
003f7de625
@ -5352,15 +5352,6 @@ S: Supported
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F: arch/powerpc/include/asm/kvm*
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F: arch/powerpc/kvm/
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KERNEL VIRTUAL MACHINE For Itanium (KVM/IA64)
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M: Xiantao Zhang <xiantao.zhang@intel.com>
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L: kvm-ia64@vger.kernel.org
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W: http://kvm.qumranet.com
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S: Supported
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F: Documentation/ia64/kvm.txt
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F: arch/ia64/include/asm/kvm*
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F: arch/ia64/kvm/
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KERNEL VIRTUAL MACHINE for s390 (KVM/s390)
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M: Christian Borntraeger <borntraeger@de.ibm.com>
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M: Cornelia Huck <cornelia.huck@de.ibm.com>
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@ -21,7 +21,6 @@ config IA64
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select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
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select HAVE_FUNCTION_TRACER
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select HAVE_DMA_ATTRS
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select HAVE_KVM
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select TTY
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select HAVE_ARCH_TRACEHOOK
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select HAVE_DMA_API_DEBUG
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@ -640,8 +639,6 @@ source "security/Kconfig"
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source "crypto/Kconfig"
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source "arch/ia64/kvm/Kconfig"
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source "lib/Kconfig"
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config IOMMU_HELPER
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@ -53,7 +53,6 @@ core-$(CONFIG_IA64_HP_ZX1) += arch/ia64/dig/
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core-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += arch/ia64/dig/
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core-$(CONFIG_IA64_SGI_SN2) += arch/ia64/sn/
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core-$(CONFIG_IA64_SGI_UV) += arch/ia64/uv/
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core-$(CONFIG_KVM) += arch/ia64/kvm/
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drivers-$(CONFIG_PCI) += arch/ia64/pci/
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drivers-$(CONFIG_IA64_HP_SIM) += arch/ia64/hp/sim/
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@ -1,609 +0,0 @@
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/*
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* kvm_host.h: used for kvm module, and hold ia64-specific sections.
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*
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* Copyright (C) 2007, Intel Corporation.
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*
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* Xiantao Zhang <xiantao.zhang@intel.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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* Place - Suite 330, Boston, MA 02111-1307 USA.
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*
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*/
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#ifndef __ASM_KVM_HOST_H
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#define __ASM_KVM_HOST_H
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#define KVM_USER_MEM_SLOTS 32
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#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
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#define KVM_IRQCHIP_NUM_PINS KVM_IOAPIC_NUM_PINS
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/* define exit reasons from vmm to kvm*/
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#define EXIT_REASON_VM_PANIC 0
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#define EXIT_REASON_MMIO_INSTRUCTION 1
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#define EXIT_REASON_PAL_CALL 2
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#define EXIT_REASON_SAL_CALL 3
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#define EXIT_REASON_SWITCH_RR6 4
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#define EXIT_REASON_VM_DESTROY 5
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#define EXIT_REASON_EXTERNAL_INTERRUPT 6
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#define EXIT_REASON_IPI 7
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#define EXIT_REASON_PTC_G 8
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#define EXIT_REASON_DEBUG 20
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/*Define vmm address space and vm data space.*/
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#define KVM_VMM_SIZE (__IA64_UL_CONST(16)<<20)
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#define KVM_VMM_SHIFT 24
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#define KVM_VMM_BASE 0xD000000000000000
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#define VMM_SIZE (__IA64_UL_CONST(8)<<20)
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/*
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* Define vm_buffer, used by PAL Services, base address.
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* Note: vm_buffer is in the VMM-BLOCK, the size must be < 8M
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*/
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#define KVM_VM_BUFFER_BASE (KVM_VMM_BASE + VMM_SIZE)
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#define KVM_VM_BUFFER_SIZE (__IA64_UL_CONST(8)<<20)
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/*
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* kvm guest's data area looks as follow:
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*
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* +----------------------+ ------- KVM_VM_DATA_SIZE
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* | vcpu[n]'s data | | ___________________KVM_STK_OFFSET
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* | | | / |
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* | .......... | | /vcpu's struct&stack |
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* | .......... | | /---------------------|---- 0
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* | vcpu[5]'s data | | / vpd |
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* | vcpu[4]'s data | |/-----------------------|
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* | vcpu[3]'s data | / vtlb |
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* | vcpu[2]'s data | /|------------------------|
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* | vcpu[1]'s data |/ | vhpt |
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* | vcpu[0]'s data |____________________________|
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* +----------------------+ |
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* | memory dirty log | |
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* +----------------------+ |
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* | vm's data struct | |
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* +----------------------+ |
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* | | |
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* | | |
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* | | |
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* | | |
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* | | |
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* | | |
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* | | |
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* | vm's p2m table | |
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* | | |
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* | | |
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* | | | |
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* vm's data->| | | |
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* +----------------------+ ------- 0
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* To support large memory, needs to increase the size of p2m.
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* To support more vcpus, needs to ensure it has enough space to
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* hold vcpus' data.
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*/
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#define KVM_VM_DATA_SHIFT 26
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#define KVM_VM_DATA_SIZE (__IA64_UL_CONST(1) << KVM_VM_DATA_SHIFT)
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#define KVM_VM_DATA_BASE (KVM_VMM_BASE + KVM_VM_DATA_SIZE)
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#define KVM_P2M_BASE KVM_VM_DATA_BASE
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#define KVM_P2M_SIZE (__IA64_UL_CONST(24) << 20)
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#define VHPT_SHIFT 16
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#define VHPT_SIZE (__IA64_UL_CONST(1) << VHPT_SHIFT)
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#define VHPT_NUM_ENTRIES (__IA64_UL_CONST(1) << (VHPT_SHIFT-5))
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#define VTLB_SHIFT 16
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#define VTLB_SIZE (__IA64_UL_CONST(1) << VTLB_SHIFT)
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#define VTLB_NUM_ENTRIES (1UL << (VHPT_SHIFT-5))
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#define VPD_SHIFT 16
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#define VPD_SIZE (__IA64_UL_CONST(1) << VPD_SHIFT)
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#define VCPU_STRUCT_SHIFT 16
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#define VCPU_STRUCT_SIZE (__IA64_UL_CONST(1) << VCPU_STRUCT_SHIFT)
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/*
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* This must match KVM_IA64_VCPU_STACK_{SHIFT,SIZE} arch/ia64/include/asm/kvm.h
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*/
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#define KVM_STK_SHIFT 16
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#define KVM_STK_OFFSET (__IA64_UL_CONST(1)<< KVM_STK_SHIFT)
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#define KVM_VM_STRUCT_SHIFT 19
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#define KVM_VM_STRUCT_SIZE (__IA64_UL_CONST(1) << KVM_VM_STRUCT_SHIFT)
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#define KVM_MEM_DIRY_LOG_SHIFT 19
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#define KVM_MEM_DIRTY_LOG_SIZE (__IA64_UL_CONST(1) << KVM_MEM_DIRY_LOG_SHIFT)
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#ifndef __ASSEMBLY__
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/*Define the max vcpus and memory for Guests.*/
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#define KVM_MAX_VCPUS (KVM_VM_DATA_SIZE - KVM_P2M_SIZE - KVM_VM_STRUCT_SIZE -\
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KVM_MEM_DIRTY_LOG_SIZE) / sizeof(struct kvm_vcpu_data)
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#define KVM_MAX_MEM_SIZE (KVM_P2M_SIZE >> 3 << PAGE_SHIFT)
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#define VMM_LOG_LEN 256
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#include <linux/types.h>
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#include <linux/mm.h>
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#include <linux/kvm.h>
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#include <linux/kvm_para.h>
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#include <linux/kvm_types.h>
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#include <asm/pal.h>
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#include <asm/sal.h>
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#include <asm/page.h>
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struct kvm_vcpu_data {
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char vcpu_vhpt[VHPT_SIZE];
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char vcpu_vtlb[VTLB_SIZE];
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char vcpu_vpd[VPD_SIZE];
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char vcpu_struct[VCPU_STRUCT_SIZE];
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};
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struct kvm_vm_data {
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char kvm_p2m[KVM_P2M_SIZE];
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char kvm_vm_struct[KVM_VM_STRUCT_SIZE];
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char kvm_mem_dirty_log[KVM_MEM_DIRTY_LOG_SIZE];
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struct kvm_vcpu_data vcpu_data[KVM_MAX_VCPUS];
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};
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#define VCPU_BASE(n) (KVM_VM_DATA_BASE + \
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offsetof(struct kvm_vm_data, vcpu_data[n]))
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#define KVM_VM_BASE (KVM_VM_DATA_BASE + \
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offsetof(struct kvm_vm_data, kvm_vm_struct))
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#define KVM_MEM_DIRTY_LOG_BASE KVM_VM_DATA_BASE + \
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offsetof(struct kvm_vm_data, kvm_mem_dirty_log)
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#define VHPT_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vhpt))
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#define VTLB_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vtlb))
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#define VPD_BASE(n) (VCPU_BASE(n) + offsetof(struct kvm_vcpu_data, vcpu_vpd))
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#define VCPU_STRUCT_BASE(n) (VCPU_BASE(n) + \
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offsetof(struct kvm_vcpu_data, vcpu_struct))
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/*IO section definitions*/
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#define IOREQ_READ 1
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#define IOREQ_WRITE 0
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#define STATE_IOREQ_NONE 0
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#define STATE_IOREQ_READY 1
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#define STATE_IOREQ_INPROCESS 2
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#define STATE_IORESP_READY 3
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/*Guest Physical address layout.*/
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#define GPFN_MEM (0UL << 60) /* Guest pfn is normal mem */
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#define GPFN_FRAME_BUFFER (1UL << 60) /* VGA framebuffer */
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#define GPFN_LOW_MMIO (2UL << 60) /* Low MMIO range */
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#define GPFN_PIB (3UL << 60) /* PIB base */
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#define GPFN_IOSAPIC (4UL << 60) /* IOSAPIC base */
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#define GPFN_LEGACY_IO (5UL << 60) /* Legacy I/O base */
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#define GPFN_GFW (6UL << 60) /* Guest Firmware */
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#define GPFN_PHYS_MMIO (7UL << 60) /* Directed MMIO Range */
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#define GPFN_IO_MASK (7UL << 60) /* Guest pfn is I/O type */
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#define GPFN_INV_MASK (1UL << 63) /* Guest pfn is invalid */
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#define INVALID_MFN (~0UL)
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#define MEM_G (1UL << 30)
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#define MEM_M (1UL << 20)
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#define MMIO_START (3 * MEM_G)
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#define MMIO_SIZE (512 * MEM_M)
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#define VGA_IO_START 0xA0000UL
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#define VGA_IO_SIZE 0x20000
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#define LEGACY_IO_START (MMIO_START + MMIO_SIZE)
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#define LEGACY_IO_SIZE (64 * MEM_M)
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#define IO_SAPIC_START 0xfec00000UL
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#define IO_SAPIC_SIZE 0x100000
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#define PIB_START 0xfee00000UL
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#define PIB_SIZE 0x200000
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#define GFW_START (4 * MEM_G - 16 * MEM_M)
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#define GFW_SIZE (16 * MEM_M)
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/*Deliver mode, defined for ioapic.c*/
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#define dest_Fixed IOSAPIC_FIXED
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#define dest_LowestPrio IOSAPIC_LOWEST_PRIORITY
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#define NMI_VECTOR 2
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#define ExtINT_VECTOR 0
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#define NULL_VECTOR (-1)
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#define IA64_SPURIOUS_INT_VECTOR 0x0f
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#define VCPU_LID(v) (((u64)(v)->vcpu_id) << 24)
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/*
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*Delivery mode
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*/
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#define SAPIC_DELIV_SHIFT 8
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#define SAPIC_FIXED 0x0
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#define SAPIC_LOWEST_PRIORITY 0x1
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#define SAPIC_PMI 0x2
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#define SAPIC_NMI 0x4
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#define SAPIC_INIT 0x5
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#define SAPIC_EXTINT 0x7
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/*
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* vcpu->requests bit members for arch
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*/
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#define KVM_REQ_PTC_G 32
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#define KVM_REQ_RESUME 33
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struct kvm_mmio_req {
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uint64_t addr; /* physical address */
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uint64_t size; /* size in bytes */
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uint64_t data; /* data (or paddr of data) */
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uint8_t state:4;
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uint8_t dir:1; /* 1=read, 0=write */
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};
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/*Pal data struct */
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struct kvm_pal_call{
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/*In area*/
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uint64_t gr28;
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uint64_t gr29;
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uint64_t gr30;
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uint64_t gr31;
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/*Out area*/
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struct ia64_pal_retval ret;
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};
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/* Sal data structure */
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struct kvm_sal_call{
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/*In area*/
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uint64_t in0;
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uint64_t in1;
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uint64_t in2;
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uint64_t in3;
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uint64_t in4;
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uint64_t in5;
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uint64_t in6;
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uint64_t in7;
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struct sal_ret_values ret;
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};
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/*Guest change rr6*/
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struct kvm_switch_rr6 {
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uint64_t old_rr;
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uint64_t new_rr;
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};
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union ia64_ipi_a{
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unsigned long val;
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struct {
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unsigned long rv : 3;
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unsigned long ir : 1;
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unsigned long eid : 8;
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unsigned long id : 8;
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unsigned long ib_base : 44;
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};
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};
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union ia64_ipi_d {
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unsigned long val;
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struct {
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unsigned long vector : 8;
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unsigned long dm : 3;
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unsigned long ig : 53;
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};
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};
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/*ipi check exit data*/
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struct kvm_ipi_data{
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union ia64_ipi_a addr;
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union ia64_ipi_d data;
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};
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/*global purge data*/
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struct kvm_ptc_g {
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unsigned long vaddr;
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unsigned long rr;
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unsigned long ps;
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struct kvm_vcpu *vcpu;
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};
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/*Exit control data */
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struct exit_ctl_data{
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uint32_t exit_reason;
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uint32_t vm_status;
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union {
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struct kvm_mmio_req ioreq;
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struct kvm_pal_call pal_data;
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struct kvm_sal_call sal_data;
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struct kvm_switch_rr6 rr_data;
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struct kvm_ipi_data ipi_data;
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struct kvm_ptc_g ptc_g_data;
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} u;
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};
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union pte_flags {
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unsigned long val;
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struct {
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unsigned long p : 1; /*0 */
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unsigned long : 1; /* 1 */
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unsigned long ma : 3; /* 2-4 */
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unsigned long a : 1; /* 5 */
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unsigned long d : 1; /* 6 */
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unsigned long pl : 2; /* 7-8 */
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unsigned long ar : 3; /* 9-11 */
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unsigned long ppn : 38; /* 12-49 */
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unsigned long : 2; /* 50-51 */
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unsigned long ed : 1; /* 52 */
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};
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};
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union ia64_pta {
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unsigned long val;
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struct {
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unsigned long ve : 1;
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unsigned long reserved0 : 1;
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unsigned long size : 6;
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unsigned long vf : 1;
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unsigned long reserved1 : 6;
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unsigned long base : 49;
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};
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};
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struct thash_cb {
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/* THASH base information */
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struct thash_data *hash; /* hash table pointer */
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union ia64_pta pta;
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int num;
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};
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struct kvm_vcpu_stat {
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u32 halt_wakeup;
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};
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struct kvm_vcpu_arch {
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int launched;
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int last_exit;
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int last_run_cpu;
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int vmm_tr_slot;
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int vm_tr_slot;
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int sn_rtc_tr_slot;
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#define KVM_MP_STATE_RUNNABLE 0
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#define KVM_MP_STATE_UNINITIALIZED 1
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#define KVM_MP_STATE_INIT_RECEIVED 2
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#define KVM_MP_STATE_HALTED 3
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int mp_state;
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#define MAX_PTC_G_NUM 3
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int ptc_g_count;
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struct kvm_ptc_g ptc_g_data[MAX_PTC_G_NUM];
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/*halt timer to wake up sleepy vcpus*/
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struct hrtimer hlt_timer;
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long ht_active;
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struct kvm_lapic *apic; /* kernel irqchip context */
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struct vpd *vpd;
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/* Exit data for vmm_transition*/
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struct exit_ctl_data exit_data;
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cpumask_t cache_coherent_map;
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unsigned long vmm_rr;
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unsigned long host_rr6;
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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 int timer_pending;
|
||||
unsigned int timer_fired;
|
||||
|
||||
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;
|
||||
char log_buf[VMM_LOG_LEN];
|
||||
union context host;
|
||||
union context guest;
|
||||
|
||||
char mmio_data[8];
|
||||
};
|
||||
|
||||
struct kvm_vm_stat {
|
||||
u64 remote_tlb_flush;
|
||||
};
|
||||
|
||||
struct kvm_sal_data {
|
||||
unsigned long boot_ip;
|
||||
unsigned long boot_gp;
|
||||
};
|
||||
|
||||
struct kvm_arch_memory_slot {
|
||||
};
|
||||
|
||||
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;
|
||||
|
||||
int is_sn2;
|
||||
|
||||
struct kvm_ioapic *vioapic;
|
||||
struct kvm_vm_stat stat;
|
||||
struct kvm_sal_data rdv_sal_data;
|
||||
|
||||
struct list_head assigned_dev_head;
|
||||
struct iommu_domain *iommu_domain;
|
||||
bool iommu_noncoherent;
|
||||
|
||||
unsigned long irq_sources_bitmap;
|
||||
unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
|
||||
};
|
||||
|
||||
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 + KVM_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;
|
||||
unsigned long patch_mov_ar;
|
||||
unsigned long patch_mov_ar_sn2;
|
||||
};
|
||||
|
||||
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);
|
||||
|
||||
#define __KVM_HAVE_ARCH_VM_ALLOC 1
|
||||
struct kvm *kvm_arch_alloc_vm(void);
|
||||
void kvm_arch_free_vm(struct kvm *kvm);
|
||||
|
||||
static inline void kvm_arch_sync_events(struct kvm *kvm) {}
|
||||
static inline void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) {}
|
||||
static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu) {}
|
||||
static inline void kvm_arch_free_memslot(struct kvm *kvm,
|
||||
struct kvm_memory_slot *free, struct kvm_memory_slot *dont) {}
|
||||
static inline void kvm_arch_memslots_updated(struct kvm *kvm) {}
|
||||
static inline void kvm_arch_commit_memory_region(struct kvm *kvm,
|
||||
struct kvm_userspace_memory_region *mem,
|
||||
const struct kvm_memory_slot *old,
|
||||
enum kvm_mr_change change) {}
|
||||
static inline void kvm_arch_hardware_unsetup(void) {}
|
||||
|
||||
#endif /* __ASSEMBLY__*/
|
||||
|
||||
#endif
|
||||
@ -1,48 +0,0 @@
|
||||
/*
|
||||
* same structure to x86's
|
||||
* Hopefully asm-x86/pvclock-abi.h would be moved to somewhere more generic.
|
||||
* For now, define same duplicated definitions.
|
||||
*/
|
||||
|
||||
#ifndef _ASM_IA64__PVCLOCK_ABI_H
|
||||
#define _ASM_IA64__PVCLOCK_ABI_H
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
/*
|
||||
* These structs MUST NOT be changed.
|
||||
* They are the ABI between hypervisor and guest OS.
|
||||
* KVM is using this.
|
||||
*
|
||||
* pvclock_vcpu_time_info holds the system time and the tsc timestamp
|
||||
* of the last update. So the guest can use the tsc delta to get a
|
||||
* more precise system time. There is one per virtual cpu.
|
||||
*
|
||||
* pvclock_wall_clock references the point in time when the system
|
||||
* time was zero (usually boot time), thus the guest calculates the
|
||||
* current wall clock by adding the system time.
|
||||
*
|
||||
* Protocol for the "version" fields is: hypervisor raises it (making
|
||||
* it uneven) before it starts updating the fields and raises it again
|
||||
* (making it even) when it is done. Thus the guest can make sure the
|
||||
* time values it got are consistent by checking the version before
|
||||
* and after reading them.
|
||||
*/
|
||||
|
||||
struct pvclock_vcpu_time_info {
|
||||
u32 version;
|
||||
u32 pad0;
|
||||
u64 tsc_timestamp;
|
||||
u64 system_time;
|
||||
u32 tsc_to_system_mul;
|
||||
s8 tsc_shift;
|
||||
u8 pad[3];
|
||||
} __attribute__((__packed__)); /* 32 bytes */
|
||||
|
||||
struct pvclock_wall_clock {
|
||||
u32 version;
|
||||
u32 sec;
|
||||
u32 nsec;
|
||||
} __attribute__((__packed__));
|
||||
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* _ASM_IA64__PVCLOCK_ABI_H */
|
||||
@ -1,268 +0,0 @@
|
||||
#ifndef __ASM_IA64_KVM_H
|
||||
#define __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 <linux/types.h>
|
||||
#include <linux/ioctl.h>
|
||||
|
||||
/* Select x86 specific features in <linux/kvm.h> */
|
||||
#define __KVM_HAVE_IOAPIC
|
||||
#define __KVM_HAVE_IRQ_LINE
|
||||
|
||||
/* Architectural interrupt line count. */
|
||||
#define KVM_NR_INTERRUPTS 256
|
||||
|
||||
#define KVM_IOAPIC_NUM_PINS 48
|
||||
|
||||
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_NR_IRQCHIPS 3
|
||||
|
||||
#define KVM_CONTEXT_SIZE 8*1024
|
||||
|
||||
struct kvm_fpreg {
|
||||
union {
|
||||
unsigned long bits[2];
|
||||
long double __dummy; /* force 16-byte alignment */
|
||||
} u;
|
||||
};
|
||||
|
||||
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 kvm_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;
|
||||
union {
|
||||
unsigned long vcr[128];
|
||||
struct {
|
||||
unsigned long dcr;
|
||||
unsigned long itm;
|
||||
unsigned long iva;
|
||||
unsigned long rsv1[5];
|
||||
unsigned long pta;
|
||||
unsigned long rsv2[7];
|
||||
unsigned long ipsr;
|
||||
unsigned long isr;
|
||||
unsigned long rsv3;
|
||||
unsigned long iip;
|
||||
unsigned long ifa;
|
||||
unsigned long itir;
|
||||
unsigned long iipa;
|
||||
unsigned long ifs;
|
||||
unsigned long iim;
|
||||
unsigned long iha;
|
||||
unsigned long rsv4[38];
|
||||
unsigned long lid;
|
||||
unsigned long ivr;
|
||||
unsigned long tpr;
|
||||
unsigned long eoi;
|
||||
unsigned long irr[4];
|
||||
unsigned long itv;
|
||||
unsigned long pmv;
|
||||
unsigned long cmcv;
|
||||
unsigned long rsv5[5];
|
||||
unsigned long lrr0;
|
||||
unsigned long lrr1;
|
||||
unsigned long rsv6[46];
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
struct kvm_regs {
|
||||
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 */
|
||||
|
||||
union context saved_guest;
|
||||
|
||||
unsigned long reserved[64]; /* for future use */
|
||||
};
|
||||
|
||||
struct kvm_sregs {
|
||||
};
|
||||
|
||||
struct kvm_fpu {
|
||||
};
|
||||
|
||||
#define KVM_IA64_VCPU_STACK_SHIFT 16
|
||||
#define KVM_IA64_VCPU_STACK_SIZE (1UL << KVM_IA64_VCPU_STACK_SHIFT)
|
||||
|
||||
struct kvm_ia64_vcpu_stack {
|
||||
unsigned char stack[KVM_IA64_VCPU_STACK_SIZE];
|
||||
};
|
||||
|
||||
struct kvm_debug_exit_arch {
|
||||
};
|
||||
|
||||
/* for KVM_SET_GUEST_DEBUG */
|
||||
struct kvm_guest_debug_arch {
|
||||
};
|
||||
|
||||
/* definition of registers in kvm_run */
|
||||
struct kvm_sync_regs {
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -1,66 +0,0 @@
|
||||
#
|
||||
# KVM configuration
|
||||
#
|
||||
|
||||
source "virt/kvm/Kconfig"
|
||||
|
||||
menuconfig VIRTUALIZATION
|
||||
bool "Virtualization"
|
||||
depends on HAVE_KVM || IA64
|
||||
default y
|
||||
---help---
|
||||
Say Y here to get to see options for using your Linux host to run other
|
||||
operating systems inside virtual machines (guests).
|
||||
This option alone does not add any kernel code.
|
||||
|
||||
If you say N, all options in this submenu will be skipped and disabled.
|
||||
|
||||
if VIRTUALIZATION
|
||||
|
||||
config KVM
|
||||
tristate "Kernel-based Virtual Machine (KVM) support"
|
||||
depends on BROKEN
|
||||
depends on HAVE_KVM && MODULES
|
||||
depends on BROKEN
|
||||
select PREEMPT_NOTIFIERS
|
||||
select ANON_INODES
|
||||
select HAVE_KVM_IRQCHIP
|
||||
select HAVE_KVM_IRQFD
|
||||
select HAVE_KVM_IRQ_ROUTING
|
||||
select KVM_APIC_ARCHITECTURE
|
||||
select KVM_MMIO
|
||||
---help---
|
||||
Support hosting fully virtualized guest machines using hardware
|
||||
virtualization extensions. You will need a fairly recent
|
||||
processor equipped with virtualization extensions. You will also
|
||||
need to select one or more of the processor modules below.
|
||||
|
||||
This module provides access to the hardware capabilities through
|
||||
a character device node named /dev/kvm.
|
||||
|
||||
To compile this as a module, choose M here: the module
|
||||
will be called kvm.
|
||||
|
||||
If unsure, say N.
|
||||
|
||||
config KVM_INTEL
|
||||
tristate "KVM for Intel Itanium 2 processors support"
|
||||
depends on KVM && m
|
||||
---help---
|
||||
Provides support for KVM on Itanium 2 processors equipped with the VT
|
||||
extensions.
|
||||
|
||||
config KVM_DEVICE_ASSIGNMENT
|
||||
bool "KVM legacy PCI device assignment support"
|
||||
depends on KVM && PCI && IOMMU_API
|
||||
default y
|
||||
---help---
|
||||
Provide support for legacy PCI device assignment through KVM. The
|
||||
kernel now also supports a full featured userspace device driver
|
||||
framework through VFIO, which supersedes much of this support.
|
||||
|
||||
If unsure, say Y.
|
||||
|
||||
source drivers/vhost/Kconfig
|
||||
|
||||
endif # VIRTUALIZATION
|
||||
@ -1,67 +0,0 @@
|
||||
#This Make file is to generate asm-offsets.h and build source.
|
||||
#
|
||||
|
||||
#Generate asm-offsets.h for vmm module build
|
||||
offsets-file := asm-offsets.h
|
||||
|
||||
always := $(offsets-file)
|
||||
targets := $(offsets-file)
|
||||
targets += arch/ia64/kvm/asm-offsets.s
|
||||
|
||||
# Default sed regexp - multiline due to syntax constraints
|
||||
define sed-y
|
||||
"/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
|
||||
endef
|
||||
|
||||
quiet_cmd_offsets = GEN $@
|
||||
define cmd_offsets
|
||||
(set -e; \
|
||||
echo "#ifndef __ASM_KVM_OFFSETS_H__"; \
|
||||
echo "#define __ASM_KVM_OFFSETS_H__"; \
|
||||
echo "/*"; \
|
||||
echo " * DO NOT MODIFY."; \
|
||||
echo " *"; \
|
||||
echo " * This file was generated by Makefile"; \
|
||||
echo " *"; \
|
||||
echo " */"; \
|
||||
echo ""; \
|
||||
sed -ne $(sed-y) $<; \
|
||||
echo ""; \
|
||||
echo "#endif" ) > $@
|
||||
endef
|
||||
|
||||
# We use internal rules to avoid the "is up to date" message from make
|
||||
arch/ia64/kvm/asm-offsets.s: arch/ia64/kvm/asm-offsets.c \
|
||||
$(wildcard $(srctree)/arch/ia64/include/asm/*.h)\
|
||||
$(wildcard $(srctree)/include/linux/*.h)
|
||||
$(call if_changed_dep,cc_s_c)
|
||||
|
||||
$(obj)/$(offsets-file): arch/ia64/kvm/asm-offsets.s
|
||||
$(call cmd,offsets)
|
||||
|
||||
FORCE : $(obj)/$(offsets-file)
|
||||
|
||||
#
|
||||
# Makefile for Kernel-based Virtual Machine module
|
||||
#
|
||||
|
||||
ccflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
|
||||
asflags-y := -Ivirt/kvm -Iarch/ia64/kvm/
|
||||
KVM := ../../../virt/kvm
|
||||
|
||||
common-objs = $(KVM)/kvm_main.o $(KVM)/ioapic.o \
|
||||
$(KVM)/coalesced_mmio.o $(KVM)/irq_comm.o
|
||||
|
||||
ifeq ($(CONFIG_KVM_DEVICE_ASSIGNMENT),y)
|
||||
common-objs += $(KVM)/assigned-dev.o $(KVM)/iommu.o
|
||||
endif
|
||||
|
||||
kvm-objs := $(common-objs) kvm-ia64.o kvm_fw.o
|
||||
obj-$(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 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
|
||||
@ -1,241 +0,0 @@
|
||||
/*
|
||||
* asm-offsets.c Generate definitions needed by assembly language modules.
|
||||
* This code generates raw asm output which is post-processed
|
||||
* to extract and format the required data.
|
||||
*
|
||||
* Anthony Xu <anthony.xu@intel.com>
|
||||
* Xiantao Zhang <xiantao.zhang@intel.com>
|
||||
* Copyright (c) 2007 Intel Corporation KVM support.
|
||||
*
|
||||
* 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 <linux/kvm_host.h>
|
||||
#include <linux/kbuild.h>
|
||||
|
||||
#include "vcpu.h"
|
||||
|
||||
void foo(void)
|
||||
{
|
||||
DEFINE(VMM_TASK_SIZE, sizeof(struct kvm_vcpu));
|
||||
DEFINE(VMM_PT_REGS_SIZE, sizeof(struct kvm_pt_regs));
|
||||
|
||||
BLANK();
|
||||
|
||||
DEFINE(VMM_VCPU_META_RR0_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.metaphysical_rr0));
|
||||
DEFINE(VMM_VCPU_META_SAVED_RR0_OFFSET,
|
||||
offsetof(struct kvm_vcpu,
|
||||
arch.metaphysical_saved_rr0));
|
||||
DEFINE(VMM_VCPU_VRR0_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.vrr[0]));
|
||||
DEFINE(VMM_VPD_IRR0_OFFSET,
|
||||
offsetof(struct vpd, irr[0]));
|
||||
DEFINE(VMM_VCPU_ITC_CHECK_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.itc_check));
|
||||
DEFINE(VMM_VCPU_IRQ_CHECK_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.irq_check));
|
||||
DEFINE(VMM_VPD_VHPI_OFFSET,
|
||||
offsetof(struct vpd, vhpi));
|
||||
DEFINE(VMM_VCPU_VSA_BASE_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.vsa_base));
|
||||
DEFINE(VMM_VCPU_VPD_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.vpd));
|
||||
DEFINE(VMM_VCPU_IRQ_CHECK,
|
||||
offsetof(struct kvm_vcpu, arch.irq_check));
|
||||
DEFINE(VMM_VCPU_TIMER_PENDING,
|
||||
offsetof(struct kvm_vcpu, arch.timer_pending));
|
||||
DEFINE(VMM_VCPU_META_SAVED_RR0_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.metaphysical_saved_rr0));
|
||||
DEFINE(VMM_VCPU_MODE_FLAGS_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.mode_flags));
|
||||
DEFINE(VMM_VCPU_ITC_OFS_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.itc_offset));
|
||||
DEFINE(VMM_VCPU_LAST_ITC_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.last_itc));
|
||||
DEFINE(VMM_VCPU_SAVED_GP_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.saved_gp));
|
||||
|
||||
BLANK();
|
||||
|
||||
DEFINE(VMM_PT_REGS_B6_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, b6));
|
||||
DEFINE(VMM_PT_REGS_B7_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, b7));
|
||||
DEFINE(VMM_PT_REGS_AR_CSD_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_csd));
|
||||
DEFINE(VMM_PT_REGS_AR_SSD_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_ssd));
|
||||
DEFINE(VMM_PT_REGS_R8_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r8));
|
||||
DEFINE(VMM_PT_REGS_R9_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r9));
|
||||
DEFINE(VMM_PT_REGS_R10_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r10));
|
||||
DEFINE(VMM_PT_REGS_R11_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r11));
|
||||
DEFINE(VMM_PT_REGS_CR_IPSR_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, cr_ipsr));
|
||||
DEFINE(VMM_PT_REGS_CR_IIP_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, cr_iip));
|
||||
DEFINE(VMM_PT_REGS_CR_IFS_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, cr_ifs));
|
||||
DEFINE(VMM_PT_REGS_AR_UNAT_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_unat));
|
||||
DEFINE(VMM_PT_REGS_AR_PFS_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_pfs));
|
||||
DEFINE(VMM_PT_REGS_AR_RSC_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_rsc));
|
||||
DEFINE(VMM_PT_REGS_AR_RNAT_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_rnat));
|
||||
|
||||
DEFINE(VMM_PT_REGS_AR_BSPSTORE_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_bspstore));
|
||||
DEFINE(VMM_PT_REGS_PR_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, pr));
|
||||
DEFINE(VMM_PT_REGS_B0_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, b0));
|
||||
DEFINE(VMM_PT_REGS_LOADRS_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, loadrs));
|
||||
DEFINE(VMM_PT_REGS_R1_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r1));
|
||||
DEFINE(VMM_PT_REGS_R12_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r12));
|
||||
DEFINE(VMM_PT_REGS_R13_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r13));
|
||||
DEFINE(VMM_PT_REGS_AR_FPSR_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_fpsr));
|
||||
DEFINE(VMM_PT_REGS_R15_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r15));
|
||||
DEFINE(VMM_PT_REGS_R14_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r14));
|
||||
DEFINE(VMM_PT_REGS_R2_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r2));
|
||||
DEFINE(VMM_PT_REGS_R3_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r3));
|
||||
DEFINE(VMM_PT_REGS_R16_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r16));
|
||||
DEFINE(VMM_PT_REGS_R17_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r17));
|
||||
DEFINE(VMM_PT_REGS_R18_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r18));
|
||||
DEFINE(VMM_PT_REGS_R19_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r19));
|
||||
DEFINE(VMM_PT_REGS_R20_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r20));
|
||||
DEFINE(VMM_PT_REGS_R21_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r21));
|
||||
DEFINE(VMM_PT_REGS_R22_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r22));
|
||||
DEFINE(VMM_PT_REGS_R23_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r23));
|
||||
DEFINE(VMM_PT_REGS_R24_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r24));
|
||||
DEFINE(VMM_PT_REGS_R25_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r25));
|
||||
DEFINE(VMM_PT_REGS_R26_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r26));
|
||||
DEFINE(VMM_PT_REGS_R27_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r27));
|
||||
DEFINE(VMM_PT_REGS_R28_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r28));
|
||||
DEFINE(VMM_PT_REGS_R29_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r29));
|
||||
DEFINE(VMM_PT_REGS_R30_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r30));
|
||||
DEFINE(VMM_PT_REGS_R31_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r31));
|
||||
DEFINE(VMM_PT_REGS_AR_CCV_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, ar_ccv));
|
||||
DEFINE(VMM_PT_REGS_F6_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, f6));
|
||||
DEFINE(VMM_PT_REGS_F7_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, f7));
|
||||
DEFINE(VMM_PT_REGS_F8_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, f8));
|
||||
DEFINE(VMM_PT_REGS_F9_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, f9));
|
||||
DEFINE(VMM_PT_REGS_F10_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, f10));
|
||||
DEFINE(VMM_PT_REGS_F11_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, f11));
|
||||
DEFINE(VMM_PT_REGS_R4_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r4));
|
||||
DEFINE(VMM_PT_REGS_R5_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r5));
|
||||
DEFINE(VMM_PT_REGS_R6_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r6));
|
||||
DEFINE(VMM_PT_REGS_R7_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, r7));
|
||||
DEFINE(VMM_PT_REGS_EML_UNAT_OFFSET,
|
||||
offsetof(struct kvm_pt_regs, eml_unat));
|
||||
DEFINE(VMM_VCPU_IIPA_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.cr_iipa));
|
||||
DEFINE(VMM_VCPU_OPCODE_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.opcode));
|
||||
DEFINE(VMM_VCPU_CAUSE_OFFSET, offsetof(struct kvm_vcpu, arch.cause));
|
||||
DEFINE(VMM_VCPU_ISR_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.cr_isr));
|
||||
DEFINE(VMM_PT_REGS_R16_SLOT,
|
||||
(((offsetof(struct kvm_pt_regs, r16)
|
||||
- sizeof(struct kvm_pt_regs)) >> 3) & 0x3f));
|
||||
DEFINE(VMM_VCPU_MODE_FLAGS_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.mode_flags));
|
||||
DEFINE(VMM_VCPU_GP_OFFSET, offsetof(struct kvm_vcpu, arch.__gp));
|
||||
BLANK();
|
||||
|
||||
DEFINE(VMM_VPD_BASE_OFFSET, offsetof(struct kvm_vcpu, arch.vpd));
|
||||
DEFINE(VMM_VPD_VIFS_OFFSET, offsetof(struct vpd, ifs));
|
||||
DEFINE(VMM_VLSAPIC_INSVC_BASE_OFFSET,
|
||||
offsetof(struct kvm_vcpu, arch.insvc[0]));
|
||||
DEFINE(VMM_VPD_VPTA_OFFSET, offsetof(struct vpd, pta));
|
||||
DEFINE(VMM_VPD_VPSR_OFFSET, offsetof(struct vpd, vpsr));
|
||||
|
||||
DEFINE(VMM_CTX_R4_OFFSET, offsetof(union context, gr[4]));
|
||||
DEFINE(VMM_CTX_R5_OFFSET, offsetof(union context, gr[5]));
|
||||
DEFINE(VMM_CTX_R12_OFFSET, offsetof(union context, gr[12]));
|
||||
DEFINE(VMM_CTX_R13_OFFSET, offsetof(union context, gr[13]));
|
||||
DEFINE(VMM_CTX_KR0_OFFSET, offsetof(union context, ar[0]));
|
||||
DEFINE(VMM_CTX_KR1_OFFSET, offsetof(union context, ar[1]));
|
||||
DEFINE(VMM_CTX_B0_OFFSET, offsetof(union context, br[0]));
|
||||
DEFINE(VMM_CTX_B1_OFFSET, offsetof(union context, br[1]));
|
||||
DEFINE(VMM_CTX_B2_OFFSET, offsetof(union context, br[2]));
|
||||
DEFINE(VMM_CTX_RR0_OFFSET, offsetof(union context, rr[0]));
|
||||
DEFINE(VMM_CTX_RSC_OFFSET, offsetof(union context, ar[16]));
|
||||
DEFINE(VMM_CTX_BSPSTORE_OFFSET, offsetof(union context, ar[18]));
|
||||
DEFINE(VMM_CTX_RNAT_OFFSET, offsetof(union context, ar[19]));
|
||||
DEFINE(VMM_CTX_FCR_OFFSET, offsetof(union context, ar[21]));
|
||||
DEFINE(VMM_CTX_EFLAG_OFFSET, offsetof(union context, ar[24]));
|
||||
DEFINE(VMM_CTX_CFLG_OFFSET, offsetof(union context, ar[27]));
|
||||
DEFINE(VMM_CTX_FSR_OFFSET, offsetof(union context, ar[28]));
|
||||
DEFINE(VMM_CTX_FIR_OFFSET, offsetof(union context, ar[29]));
|
||||
DEFINE(VMM_CTX_FDR_OFFSET, offsetof(union context, ar[30]));
|
||||
DEFINE(VMM_CTX_UNAT_OFFSET, offsetof(union context, ar[36]));
|
||||
DEFINE(VMM_CTX_FPSR_OFFSET, offsetof(union context, ar[40]));
|
||||
DEFINE(VMM_CTX_PFS_OFFSET, offsetof(union context, ar[64]));
|
||||
DEFINE(VMM_CTX_LC_OFFSET, offsetof(union context, ar[65]));
|
||||
DEFINE(VMM_CTX_DCR_OFFSET, offsetof(union context, cr[0]));
|
||||
DEFINE(VMM_CTX_IVA_OFFSET, offsetof(union context, cr[2]));
|
||||
DEFINE(VMM_CTX_PTA_OFFSET, offsetof(union context, cr[8]));
|
||||
DEFINE(VMM_CTX_IBR0_OFFSET, offsetof(union context, ibr[0]));
|
||||
DEFINE(VMM_CTX_DBR0_OFFSET, offsetof(union context, dbr[0]));
|
||||
DEFINE(VMM_CTX_F2_OFFSET, offsetof(union context, fr[2]));
|
||||
DEFINE(VMM_CTX_F3_OFFSET, offsetof(union context, fr[3]));
|
||||
DEFINE(VMM_CTX_F32_OFFSET, offsetof(union context, fr[32]));
|
||||
DEFINE(VMM_CTX_F33_OFFSET, offsetof(union context, fr[33]));
|
||||
DEFINE(VMM_CTX_PKR0_OFFSET, offsetof(union context, pkr[0]));
|
||||
DEFINE(VMM_CTX_PSR_OFFSET, offsetof(union context, psr));
|
||||
BLANK();
|
||||
}
|
||||
@ -1,33 +0,0 @@
|
||||
/*
|
||||
* irq.h: In-kernel interrupt controller related definitions
|
||||
* Copyright (c) 2008, Intel Corporation.
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
* Authors:
|
||||
* Xiantao Zhang <xiantao.zhang@intel.com>
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef __IRQ_H
|
||||
#define __IRQ_H
|
||||
|
||||
#include "lapic.h"
|
||||
|
||||
static inline int irqchip_in_kernel(struct kvm *kvm)
|
||||
{
|
||||
return 1;
|
||||
}
|
||||
|
||||
#endif
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,674 +0,0 @@
|
||||
/*
|
||||
* PAL/SAL call delegation
|
||||
*
|
||||
* Copyright (c) 2004 Li Susie <susie.li@intel.com>
|
||||
* Copyright (c) 2005 Yu Ke <ke.yu@intel.com>
|
||||
* 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 <linux/kvm_host.h>
|
||||
#include <linux/smp.h>
|
||||
#include <asm/sn/addrs.h>
|
||||
#include <asm/sn/clksupport.h>
|
||||
#include <asm/sn/shub_mmr.h>
|
||||
|
||||
#include "vti.h"
|
||||
#include "misc.h"
|
||||
|
||||
#include <asm/pal.h>
|
||||
#include <asm/sal.h>
|
||||
#include <asm/tlb.h>
|
||||
|
||||
/*
|
||||
* Handy macros to make sure that the PAL return values start out
|
||||
* as something meaningful.
|
||||
*/
|
||||
#define INIT_PAL_STATUS_UNIMPLEMENTED(x) \
|
||||
{ \
|
||||
x.status = PAL_STATUS_UNIMPLEMENTED; \
|
||||
x.v0 = 0; \
|
||||
x.v1 = 0; \
|
||||
x.v2 = 0; \
|
||||
}
|
||||
|
||||
#define INIT_PAL_STATUS_SUCCESS(x) \
|
||||
{ \
|
||||
x.status = PAL_STATUS_SUCCESS; \
|
||||
x.v0 = 0; \
|
||||
x.v1 = 0; \
|
||||
x.v2 = 0; \
|
||||
}
|
||||
|
||||
static void kvm_get_pal_call_data(struct kvm_vcpu *vcpu,
|
||||
u64 *gr28, u64 *gr29, u64 *gr30, u64 *gr31) {
|
||||
struct exit_ctl_data *p;
|
||||
|
||||
if (vcpu) {
|
||||
p = &vcpu->arch.exit_data;
|
||||
if (p->exit_reason == EXIT_REASON_PAL_CALL) {
|
||||
*gr28 = p->u.pal_data.gr28;
|
||||
*gr29 = p->u.pal_data.gr29;
|
||||
*gr30 = p->u.pal_data.gr30;
|
||||
*gr31 = p->u.pal_data.gr31;
|
||||
return ;
|
||||
}
|
||||
}
|
||||
printk(KERN_DEBUG"Failed to get vcpu pal data!!!\n");
|
||||
}
|
||||
|
||||
static void set_pal_result(struct kvm_vcpu *vcpu,
|
||||
struct ia64_pal_retval result) {
|
||||
|
||||
struct exit_ctl_data *p;
|
||||
|
||||
p = kvm_get_exit_data(vcpu);
|
||||
if (p->exit_reason == EXIT_REASON_PAL_CALL) {
|
||||
p->u.pal_data.ret = result;
|
||||
return ;
|
||||
}
|
||||
INIT_PAL_STATUS_UNIMPLEMENTED(p->u.pal_data.ret);
|
||||
}
|
||||
|
||||
static void set_sal_result(struct kvm_vcpu *vcpu,
|
||||
struct sal_ret_values result) {
|
||||
struct exit_ctl_data *p;
|
||||
|
||||
p = kvm_get_exit_data(vcpu);
|
||||
if (p->exit_reason == EXIT_REASON_SAL_CALL) {
|
||||
p->u.sal_data.ret = result;
|
||||
return ;
|
||||
}
|
||||
printk(KERN_WARNING"Failed to set sal result!!\n");
|
||||
}
|
||||
|
||||
struct cache_flush_args {
|
||||
u64 cache_type;
|
||||
u64 operation;
|
||||
u64 progress;
|
||||
long status;
|
||||
};
|
||||
|
||||
cpumask_t cpu_cache_coherent_map;
|
||||
|
||||
static void remote_pal_cache_flush(void *data)
|
||||
{
|
||||
struct cache_flush_args *args = data;
|
||||
long status;
|
||||
u64 progress = args->progress;
|
||||
|
||||
status = ia64_pal_cache_flush(args->cache_type, args->operation,
|
||||
&progress, NULL);
|
||||
if (status != 0)
|
||||
args->status = status;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_cache_flush(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
u64 gr28, gr29, gr30, gr31;
|
||||
struct ia64_pal_retval result = {0, 0, 0, 0};
|
||||
struct cache_flush_args args = {0, 0, 0, 0};
|
||||
long psr;
|
||||
|
||||
gr28 = gr29 = gr30 = gr31 = 0;
|
||||
kvm_get_pal_call_data(vcpu, &gr28, &gr29, &gr30, &gr31);
|
||||
|
||||
if (gr31 != 0)
|
||||
printk(KERN_ERR"vcpu:%p called cache_flush error!\n", vcpu);
|
||||
|
||||
/* Always call Host Pal in int=1 */
|
||||
gr30 &= ~PAL_CACHE_FLUSH_CHK_INTRS;
|
||||
args.cache_type = gr29;
|
||||
args.operation = gr30;
|
||||
smp_call_function(remote_pal_cache_flush,
|
||||
(void *)&args, 1);
|
||||
if (args.status != 0)
|
||||
printk(KERN_ERR"pal_cache_flush error!,"
|
||||
"status:0x%lx\n", args.status);
|
||||
/*
|
||||
* Call Host PAL cache flush
|
||||
* Clear psr.ic when call PAL_CACHE_FLUSH
|
||||
*/
|
||||
local_irq_save(psr);
|
||||
result.status = ia64_pal_cache_flush(gr29, gr30, &result.v1,
|
||||
&result.v0);
|
||||
local_irq_restore(psr);
|
||||
if (result.status != 0)
|
||||
printk(KERN_ERR"vcpu:%p crashed due to cache_flush err:%ld"
|
||||
"in1:%lx,in2:%lx\n",
|
||||
vcpu, result.status, gr29, gr30);
|
||||
|
||||
#if 0
|
||||
if (gr29 == PAL_CACHE_TYPE_COHERENT) {
|
||||
cpus_setall(vcpu->arch.cache_coherent_map);
|
||||
cpu_clear(vcpu->cpu, vcpu->arch.cache_coherent_map);
|
||||
cpus_setall(cpu_cache_coherent_map);
|
||||
cpu_clear(vcpu->cpu, cpu_cache_coherent_map);
|
||||
}
|
||||
#endif
|
||||
return result;
|
||||
}
|
||||
|
||||
struct ia64_pal_retval pal_cache_summary(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
struct ia64_pal_retval result;
|
||||
|
||||
PAL_CALL(result, PAL_CACHE_SUMMARY, 0, 0, 0);
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_freq_base(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
struct ia64_pal_retval result;
|
||||
|
||||
PAL_CALL(result, PAL_FREQ_BASE, 0, 0, 0);
|
||||
|
||||
/*
|
||||
* PAL_FREQ_BASE may not be implemented in some platforms,
|
||||
* call SAL instead.
|
||||
*/
|
||||
if (result.v0 == 0) {
|
||||
result.status = ia64_sal_freq_base(SAL_FREQ_BASE_PLATFORM,
|
||||
&result.v0,
|
||||
&result.v1);
|
||||
result.v2 = 0;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
/*
|
||||
* On the SGI SN2, the ITC isn't stable. Emulation backed by the SN2
|
||||
* RTC is used instead. This function patches the ratios from SAL
|
||||
* to match the RTC before providing them to the guest.
|
||||
*/
|
||||
static void sn2_patch_itc_freq_ratios(struct ia64_pal_retval *result)
|
||||
{
|
||||
struct pal_freq_ratio *ratio;
|
||||
unsigned long sal_freq, sal_drift, factor;
|
||||
|
||||
result->status = ia64_sal_freq_base(SAL_FREQ_BASE_PLATFORM,
|
||||
&sal_freq, &sal_drift);
|
||||
ratio = (struct pal_freq_ratio *)&result->v2;
|
||||
factor = ((sal_freq * 3) + (sn_rtc_cycles_per_second / 2)) /
|
||||
sn_rtc_cycles_per_second;
|
||||
|
||||
ratio->num = 3;
|
||||
ratio->den = factor;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_freq_ratios(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct ia64_pal_retval result;
|
||||
|
||||
PAL_CALL(result, PAL_FREQ_RATIOS, 0, 0, 0);
|
||||
|
||||
if (vcpu->kvm->arch.is_sn2)
|
||||
sn2_patch_itc_freq_ratios(&result);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_logical_to_physica(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct ia64_pal_retval result;
|
||||
|
||||
INIT_PAL_STATUS_UNIMPLEMENTED(result);
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_platform_addr(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
struct ia64_pal_retval result;
|
||||
|
||||
INIT_PAL_STATUS_SUCCESS(result);
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_proc_get_features(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
struct ia64_pal_retval result = {0, 0, 0, 0};
|
||||
long in0, in1, in2, in3;
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
result.status = ia64_pal_proc_get_features(&result.v0, &result.v1,
|
||||
&result.v2, in2);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_register_info(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
struct ia64_pal_retval result = {0, 0, 0, 0};
|
||||
long in0, in1, in2, in3;
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
result.status = ia64_pal_register_info(in1, &result.v1, &result.v2);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_cache_info(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
pal_cache_config_info_t ci;
|
||||
long status;
|
||||
unsigned long in0, in1, in2, in3, r9, r10;
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
status = ia64_pal_cache_config_info(in1, in2, &ci);
|
||||
r9 = ci.pcci_info_1.pcci1_data;
|
||||
r10 = ci.pcci_info_2.pcci2_data;
|
||||
return ((struct ia64_pal_retval){status, r9, r10, 0});
|
||||
}
|
||||
|
||||
#define GUEST_IMPL_VA_MSB 59
|
||||
#define GUEST_RID_BITS 18
|
||||
|
||||
static struct ia64_pal_retval pal_vm_summary(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
pal_vm_info_1_u_t vminfo1;
|
||||
pal_vm_info_2_u_t vminfo2;
|
||||
struct ia64_pal_retval result;
|
||||
|
||||
PAL_CALL(result, PAL_VM_SUMMARY, 0, 0, 0);
|
||||
if (!result.status) {
|
||||
vminfo1.pvi1_val = result.v0;
|
||||
vminfo1.pal_vm_info_1_s.max_itr_entry = 8;
|
||||
vminfo1.pal_vm_info_1_s.max_dtr_entry = 8;
|
||||
result.v0 = vminfo1.pvi1_val;
|
||||
vminfo2.pal_vm_info_2_s.impl_va_msb = GUEST_IMPL_VA_MSB;
|
||||
vminfo2.pal_vm_info_2_s.rid_size = GUEST_RID_BITS;
|
||||
result.v1 = vminfo2.pvi2_val;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_vm_info(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct ia64_pal_retval result;
|
||||
unsigned long in0, in1, in2, in3;
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
|
||||
result.status = ia64_pal_vm_info(in1, in2,
|
||||
(pal_tc_info_u_t *)&result.v1, &result.v2);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
static u64 kvm_get_pal_call_index(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
u64 index = 0;
|
||||
struct exit_ctl_data *p;
|
||||
|
||||
p = kvm_get_exit_data(vcpu);
|
||||
if (p->exit_reason == EXIT_REASON_PAL_CALL)
|
||||
index = p->u.pal_data.gr28;
|
||||
|
||||
return index;
|
||||
}
|
||||
|
||||
static void prepare_for_halt(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
vcpu->arch.timer_pending = 1;
|
||||
vcpu->arch.timer_fired = 0;
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_perf_mon_info(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
long status;
|
||||
unsigned long in0, in1, in2, in3, r9;
|
||||
unsigned long pm_buffer[16];
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
status = ia64_pal_perf_mon_info(pm_buffer,
|
||||
(pal_perf_mon_info_u_t *) &r9);
|
||||
if (status != 0) {
|
||||
printk(KERN_DEBUG"PAL_PERF_MON_INFO fails ret=%ld\n", status);
|
||||
} else {
|
||||
if (in1)
|
||||
memcpy((void *)in1, pm_buffer, sizeof(pm_buffer));
|
||||
else {
|
||||
status = PAL_STATUS_EINVAL;
|
||||
printk(KERN_WARNING"Invalid parameters "
|
||||
"for PAL call:0x%lx!\n", in0);
|
||||
}
|
||||
}
|
||||
return (struct ia64_pal_retval){status, r9, 0, 0};
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_halt_info(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
unsigned long in0, in1, in2, in3;
|
||||
long status;
|
||||
unsigned long res = 1000UL | (1000UL << 16) | (10UL << 32)
|
||||
| (1UL << 61) | (1UL << 60);
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
if (in1) {
|
||||
memcpy((void *)in1, &res, sizeof(res));
|
||||
status = 0;
|
||||
} else{
|
||||
status = PAL_STATUS_EINVAL;
|
||||
printk(KERN_WARNING"Invalid parameters "
|
||||
"for PAL call:0x%lx!\n", in0);
|
||||
}
|
||||
|
||||
return (struct ia64_pal_retval){status, 0, 0, 0};
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_mem_attrib(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
unsigned long r9;
|
||||
long status;
|
||||
|
||||
status = ia64_pal_mem_attrib(&r9);
|
||||
|
||||
return (struct ia64_pal_retval){status, r9, 0, 0};
|
||||
}
|
||||
|
||||
static void remote_pal_prefetch_visibility(void *v)
|
||||
{
|
||||
s64 trans_type = (s64)v;
|
||||
ia64_pal_prefetch_visibility(trans_type);
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_prefetch_visibility(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct ia64_pal_retval result = {0, 0, 0, 0};
|
||||
unsigned long in0, in1, in2, in3;
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
result.status = ia64_pal_prefetch_visibility(in1);
|
||||
if (result.status == 0) {
|
||||
/* Must be performed on all remote processors
|
||||
in the coherence domain. */
|
||||
smp_call_function(remote_pal_prefetch_visibility,
|
||||
(void *)in1, 1);
|
||||
/* Unnecessary on remote processor for other vcpus!*/
|
||||
result.status = 1;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static void remote_pal_mc_drain(void *v)
|
||||
{
|
||||
ia64_pal_mc_drain();
|
||||
}
|
||||
|
||||
static struct ia64_pal_retval pal_get_brand_info(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct ia64_pal_retval result = {0, 0, 0, 0};
|
||||
unsigned long in0, in1, in2, in3;
|
||||
|
||||
kvm_get_pal_call_data(vcpu, &in0, &in1, &in2, &in3);
|
||||
|
||||
if (in1 == 0 && in2) {
|
||||
char brand_info[128];
|
||||
result.status = ia64_pal_get_brand_info(brand_info);
|
||||
if (result.status == PAL_STATUS_SUCCESS)
|
||||
memcpy((void *)in2, brand_info, 128);
|
||||
} else {
|
||||
result.status = PAL_STATUS_REQUIRES_MEMORY;
|
||||
printk(KERN_WARNING"Invalid parameters for "
|
||||
"PAL call:0x%lx!\n", in0);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
int kvm_pal_emul(struct kvm_vcpu *vcpu, struct kvm_run *run)
|
||||
{
|
||||
|
||||
u64 gr28;
|
||||
struct ia64_pal_retval result;
|
||||
int ret = 1;
|
||||
|
||||
gr28 = kvm_get_pal_call_index(vcpu);
|
||||
switch (gr28) {
|
||||
case PAL_CACHE_FLUSH:
|
||||
result = pal_cache_flush(vcpu);
|
||||
break;
|
||||
case PAL_MEM_ATTRIB:
|
||||
result = pal_mem_attrib(vcpu);
|
||||
break;
|
||||
case PAL_CACHE_SUMMARY:
|
||||
result = pal_cache_summary(vcpu);
|
||||
break;
|
||||
case PAL_PERF_MON_INFO:
|
||||
result = pal_perf_mon_info(vcpu);
|
||||
break;
|
||||
case PAL_HALT_INFO:
|
||||
result = pal_halt_info(vcpu);
|
||||
break;
|
||||
case PAL_HALT_LIGHT:
|
||||
{
|
||||
INIT_PAL_STATUS_SUCCESS(result);
|
||||
prepare_for_halt(vcpu);
|
||||
if (kvm_highest_pending_irq(vcpu) == -1)
|
||||
ret = kvm_emulate_halt(vcpu);
|
||||
}
|
||||
break;
|
||||
|
||||
case PAL_PREFETCH_VISIBILITY:
|
||||
result = pal_prefetch_visibility(vcpu);
|
||||
break;
|
||||
case PAL_MC_DRAIN:
|
||||
result.status = ia64_pal_mc_drain();
|
||||
/* FIXME: All vcpus likely call PAL_MC_DRAIN.
|
||||
That causes the congestion. */
|
||||
smp_call_function(remote_pal_mc_drain, NULL, 1);
|
||||
break;
|
||||
|
||||
case PAL_FREQ_RATIOS:
|
||||
result = pal_freq_ratios(vcpu);
|
||||
break;
|
||||
|
||||
case PAL_FREQ_BASE:
|
||||
result = pal_freq_base(vcpu);
|
||||
break;
|
||||
|
||||
case PAL_LOGICAL_TO_PHYSICAL :
|
||||
result = pal_logical_to_physica(vcpu);
|
||||
break;
|
||||
|
||||
case PAL_VM_SUMMARY :
|
||||
result = pal_vm_summary(vcpu);
|
||||
break;
|
||||
|
||||
case PAL_VM_INFO :
|
||||
result = pal_vm_info(vcpu);
|
||||
break;
|
||||
case PAL_PLATFORM_ADDR :
|
||||
result = pal_platform_addr(vcpu);
|
||||
break;
|
||||
case PAL_CACHE_INFO:
|
||||
result = pal_cache_info(vcpu);
|
||||
break;
|
||||
case PAL_PTCE_INFO:
|
||||
INIT_PAL_STATUS_SUCCESS(result);
|
||||
result.v1 = (1L << 32) | 1L;
|
||||
break;
|
||||
case PAL_REGISTER_INFO:
|
||||
result = pal_register_info(vcpu);
|
||||
break;
|
||||
case PAL_VM_PAGE_SIZE:
|
||||
result.status = ia64_pal_vm_page_size(&result.v0,
|
||||
&result.v1);
|
||||
break;
|
||||
case PAL_RSE_INFO:
|
||||
result.status = ia64_pal_rse_info(&result.v0,
|
||||
(pal_hints_u_t *)&result.v1);
|
||||
break;
|
||||
case PAL_PROC_GET_FEATURES:
|
||||
result = pal_proc_get_features(vcpu);
|
||||
break;
|
||||
case PAL_DEBUG_INFO:
|
||||
result.status = ia64_pal_debug_info(&result.v0,
|
||||
&result.v1);
|
||||
break;
|
||||
case PAL_VERSION:
|
||||
result.status = ia64_pal_version(
|
||||
(pal_version_u_t *)&result.v0,
|
||||
(pal_version_u_t *)&result.v1);
|
||||
break;
|
||||
case PAL_FIXED_ADDR:
|
||||
result.status = PAL_STATUS_SUCCESS;
|
||||
result.v0 = vcpu->vcpu_id;
|
||||
break;
|
||||
case PAL_BRAND_INFO:
|
||||
result = pal_get_brand_info(vcpu);
|
||||
break;
|
||||
case PAL_GET_PSTATE:
|
||||
case PAL_CACHE_SHARED_INFO:
|
||||
INIT_PAL_STATUS_UNIMPLEMENTED(result);
|
||||
break;
|
||||
default:
|
||||
INIT_PAL_STATUS_UNIMPLEMENTED(result);
|
||||
printk(KERN_WARNING"kvm: Unsupported pal call,"
|
||||
" index:0x%lx\n", gr28);
|
||||
}
|
||||
set_pal_result(vcpu, result);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static struct sal_ret_values sal_emulator(struct kvm *kvm,
|
||||
long index, unsigned long in1,
|
||||
unsigned long in2, unsigned long in3,
|
||||
unsigned long in4, unsigned long in5,
|
||||
unsigned long in6, unsigned long in7)
|
||||
{
|
||||
unsigned long r9 = 0;
|
||||
unsigned long r10 = 0;
|
||||
long r11 = 0;
|
||||
long status;
|
||||
|
||||
status = 0;
|
||||
switch (index) {
|
||||
case SAL_FREQ_BASE:
|
||||
status = ia64_sal_freq_base(in1, &r9, &r10);
|
||||
break;
|
||||
case SAL_PCI_CONFIG_READ:
|
||||
printk(KERN_WARNING"kvm: Not allowed to call here!"
|
||||
" SAL_PCI_CONFIG_READ\n");
|
||||
break;
|
||||
case SAL_PCI_CONFIG_WRITE:
|
||||
printk(KERN_WARNING"kvm: Not allowed to call here!"
|
||||
" SAL_PCI_CONFIG_WRITE\n");
|
||||
break;
|
||||
case SAL_SET_VECTORS:
|
||||
if (in1 == SAL_VECTOR_OS_BOOT_RENDEZ) {
|
||||
if (in4 != 0 || in5 != 0 || in6 != 0 || in7 != 0) {
|
||||
status = -2;
|
||||
} else {
|
||||
kvm->arch.rdv_sal_data.boot_ip = in2;
|
||||
kvm->arch.rdv_sal_data.boot_gp = in3;
|
||||
}
|
||||
printk("Rendvous called! iip:%lx\n\n", in2);
|
||||
} else
|
||||
printk(KERN_WARNING"kvm: CALLED SAL_SET_VECTORS %lu."
|
||||
"ignored...\n", in1);
|
||||
break;
|
||||
case SAL_GET_STATE_INFO:
|
||||
/* No more info. */
|
||||
status = -5;
|
||||
r9 = 0;
|
||||
break;
|
||||
case SAL_GET_STATE_INFO_SIZE:
|
||||
/* Return a dummy size. */
|
||||
status = 0;
|
||||
r9 = 128;
|
||||
break;
|
||||
case SAL_CLEAR_STATE_INFO:
|
||||
/* Noop. */
|
||||
break;
|
||||
case SAL_MC_RENDEZ:
|
||||
printk(KERN_WARNING
|
||||
"kvm: called SAL_MC_RENDEZ. ignored...\n");
|
||||
break;
|
||||
case SAL_MC_SET_PARAMS:
|
||||
printk(KERN_WARNING
|
||||
"kvm: called SAL_MC_SET_PARAMS.ignored!\n");
|
||||
break;
|
||||
case SAL_CACHE_FLUSH:
|
||||
if (1) {
|
||||
/*Flush using SAL.
|
||||
This method is faster but has a side
|
||||
effect on other vcpu running on
|
||||
this cpu. */
|
||||
status = ia64_sal_cache_flush(in1);
|
||||
} else {
|
||||
/*Maybe need to implement the method
|
||||
without side effect!*/
|
||||
status = 0;
|
||||
}
|
||||
break;
|
||||
case SAL_CACHE_INIT:
|
||||
printk(KERN_WARNING
|
||||
"kvm: called SAL_CACHE_INIT. ignored...\n");
|
||||
break;
|
||||
case SAL_UPDATE_PAL:
|
||||
printk(KERN_WARNING
|
||||
"kvm: CALLED SAL_UPDATE_PAL. ignored...\n");
|
||||
break;
|
||||
default:
|
||||
printk(KERN_WARNING"kvm: called SAL_CALL with unknown index."
|
||||
" index:%ld\n", index);
|
||||
status = -1;
|
||||
break;
|
||||
}
|
||||
return ((struct sal_ret_values) {status, r9, r10, r11});
|
||||
}
|
||||
|
||||
static void kvm_get_sal_call_data(struct kvm_vcpu *vcpu, u64 *in0, u64 *in1,
|
||||
u64 *in2, u64 *in3, u64 *in4, u64 *in5, u64 *in6, u64 *in7){
|
||||
|
||||
struct exit_ctl_data *p;
|
||||
|
||||
p = kvm_get_exit_data(vcpu);
|
||||
|
||||
if (p->exit_reason == EXIT_REASON_SAL_CALL) {
|
||||
*in0 = p->u.sal_data.in0;
|
||||
*in1 = p->u.sal_data.in1;
|
||||
*in2 = p->u.sal_data.in2;
|
||||
*in3 = p->u.sal_data.in3;
|
||||
*in4 = p->u.sal_data.in4;
|
||||
*in5 = p->u.sal_data.in5;
|
||||
*in6 = p->u.sal_data.in6;
|
||||
*in7 = p->u.sal_data.in7;
|
||||
return ;
|
||||
}
|
||||
*in0 = 0;
|
||||
}
|
||||
|
||||
void kvm_sal_emul(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
|
||||
struct sal_ret_values result;
|
||||
u64 index, in1, in2, in3, in4, in5, in6, in7;
|
||||
|
||||
kvm_get_sal_call_data(vcpu, &index, &in1, &in2,
|
||||
&in3, &in4, &in5, &in6, &in7);
|
||||
result = sal_emulator(vcpu->kvm, index, in1, in2, in3,
|
||||
in4, in5, in6, in7);
|
||||
set_sal_result(vcpu, result);
|
||||
}
|
||||
@ -1,21 +0,0 @@
|
||||
/*
|
||||
* kvm_lib.c: Compile some libraries for kvm-intel module.
|
||||
*
|
||||
* Just include kernel's library, and disable symbols export.
|
||||
* Copyright (C) 2008, Intel Corporation.
|
||||
* Xiantao Zhang (xiantao.zhang@intel.com)
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
*/
|
||||
#undef CONFIG_MODULES
|
||||
#include <linux/module.h>
|
||||
#undef CONFIG_KALLSYMS
|
||||
#undef EXPORT_SYMBOL
|
||||
#undef EXPORT_SYMBOL_GPL
|
||||
#define EXPORT_SYMBOL(sym)
|
||||
#define EXPORT_SYMBOL_GPL(sym)
|
||||
#include "../../../lib/vsprintf.c"
|
||||
#include "../../../lib/ctype.c"
|
||||
@ -1,266 +0,0 @@
|
||||
/*
|
||||
* kvm_minstate.h: min save macros
|
||||
* Copyright (c) 2007, Intel Corporation.
|
||||
*
|
||||
* Xuefei Xu (Anthony Xu) (Anthony.xu@intel.com)
|
||||
* 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/asmmacro.h>
|
||||
#include <asm/types.h>
|
||||
#include <asm/kregs.h>
|
||||
#include <asm/kvm_host.h>
|
||||
|
||||
#include "asm-offsets.h"
|
||||
|
||||
#define KVM_MINSTATE_START_SAVE_MIN \
|
||||
mov ar.rsc = 0;/* set enforced lazy mode, pl 0, little-endian, loadrs=0 */\
|
||||
;; \
|
||||
mov.m r28 = ar.rnat; \
|
||||
addl r22 = VMM_RBS_OFFSET,r1; /* compute base of RBS */ \
|
||||
;; \
|
||||
lfetch.fault.excl.nt1 [r22]; \
|
||||
addl r1 = KVM_STK_OFFSET-VMM_PT_REGS_SIZE, r1; \
|
||||
mov r23 = ar.bspstore; /* save ar.bspstore */ \
|
||||
;; \
|
||||
mov ar.bspstore = r22; /* switch to kernel RBS */\
|
||||
;; \
|
||||
mov r18 = ar.bsp; \
|
||||
mov ar.rsc = 0x3; /* set eager mode, pl 0, little-endian, loadrs=0 */
|
||||
|
||||
|
||||
|
||||
#define KVM_MINSTATE_END_SAVE_MIN \
|
||||
bsw.1; /* switch back to bank 1 (must be last in insn group) */\
|
||||
;;
|
||||
|
||||
|
||||
#define PAL_VSA_SYNC_READ \
|
||||
/* begin to call pal vps sync_read */ \
|
||||
{.mii; \
|
||||
add r25 = VMM_VPD_BASE_OFFSET, r21; \
|
||||
nop 0x0; \
|
||||
mov r24=ip; \
|
||||
;; \
|
||||
} \
|
||||
{.mmb \
|
||||
add r24=0x20, r24; \
|
||||
ld8 r25 = [r25]; /* read vpd base */ \
|
||||
br.cond.sptk kvm_vps_sync_read; /*call the service*/ \
|
||||
;; \
|
||||
}; \
|
||||
|
||||
|
||||
#define KVM_MINSTATE_GET_CURRENT(reg) mov reg=r21
|
||||
|
||||
/*
|
||||
* KVM_DO_SAVE_MIN switches to the kernel stacks (if necessary) and saves
|
||||
* the minimum state necessary that allows us to turn psr.ic back
|
||||
* on.
|
||||
*
|
||||
* Assumed state upon entry:
|
||||
* psr.ic: off
|
||||
* r31: contains saved predicates (pr)
|
||||
*
|
||||
* Upon exit, the state is as follows:
|
||||
* psr.ic: off
|
||||
* r2 = points to &pt_regs.r16
|
||||
* r8 = contents of ar.ccv
|
||||
* r9 = contents of ar.csd
|
||||
* r10 = contents of ar.ssd
|
||||
* r11 = FPSR_DEFAULT
|
||||
* r12 = kernel sp (kernel virtual address)
|
||||
* r13 = points to current task_struct (kernel virtual address)
|
||||
* p15 = TRUE if psr.i is set in cr.ipsr
|
||||
* predicate registers (other than p2, p3, and p15), b6, r3, r14, r15:
|
||||
* preserved
|
||||
*
|
||||
* Note that psr.ic is NOT turned on by this macro. This is so that
|
||||
* we can pass interruption state as arguments to a handler.
|
||||
*/
|
||||
|
||||
|
||||
#define PT(f) (VMM_PT_REGS_##f##_OFFSET)
|
||||
|
||||
#define KVM_DO_SAVE_MIN(COVER,SAVE_IFS,EXTRA) \
|
||||
KVM_MINSTATE_GET_CURRENT(r16); /* M (or M;;I) */ \
|
||||
mov r27 = ar.rsc; /* M */ \
|
||||
mov r20 = r1; /* A */ \
|
||||
mov r25 = ar.unat; /* M */ \
|
||||
mov r29 = cr.ipsr; /* M */ \
|
||||
mov r26 = ar.pfs; /* I */ \
|
||||
mov r18 = cr.isr; \
|
||||
COVER; /* B;; (or nothing) */ \
|
||||
;; \
|
||||
tbit.z p0,p15 = r29,IA64_PSR_I_BIT; \
|
||||
mov r1 = r16; \
|
||||
/* mov r21=r16; */ \
|
||||
/* switch from user to kernel RBS: */ \
|
||||
;; \
|
||||
invala; /* M */ \
|
||||
SAVE_IFS; \
|
||||
;; \
|
||||
KVM_MINSTATE_START_SAVE_MIN \
|
||||
adds r17 = 2*L1_CACHE_BYTES,r1;/* cache-line size */ \
|
||||
adds r16 = PT(CR_IPSR),r1; \
|
||||
;; \
|
||||
lfetch.fault.excl.nt1 [r17],L1_CACHE_BYTES; \
|
||||
st8 [r16] = r29; /* save cr.ipsr */ \
|
||||
;; \
|
||||
lfetch.fault.excl.nt1 [r17]; \
|
||||
tbit.nz p15,p0 = r29,IA64_PSR_I_BIT; \
|
||||
mov r29 = b0 \
|
||||
;; \
|
||||
adds r16 = PT(R8),r1; /* initialize first base pointer */\
|
||||
adds r17 = PT(R9),r1; /* initialize second base pointer */\
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r16] = r8,16; \
|
||||
.mem.offset 8,0; st8.spill [r17] = r9,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r16] = r10,24; \
|
||||
.mem.offset 8,0; st8.spill [r17] = r11,24; \
|
||||
;; \
|
||||
mov r9 = cr.iip; /* M */ \
|
||||
mov r10 = ar.fpsr; /* M */ \
|
||||
;; \
|
||||
st8 [r16] = r9,16; /* save cr.iip */ \
|
||||
st8 [r17] = r30,16; /* save cr.ifs */ \
|
||||
sub r18 = r18,r22; /* r18=RSE.ndirty*8 */ \
|
||||
;; \
|
||||
st8 [r16] = r25,16; /* save ar.unat */ \
|
||||
st8 [r17] = r26,16; /* save ar.pfs */ \
|
||||
shl r18 = r18,16; /* calu ar.rsc used for "loadrs" */\
|
||||
;; \
|
||||
st8 [r16] = r27,16; /* save ar.rsc */ \
|
||||
st8 [r17] = r28,16; /* save ar.rnat */ \
|
||||
;; /* avoid RAW on r16 & r17 */ \
|
||||
st8 [r16] = r23,16; /* save ar.bspstore */ \
|
||||
st8 [r17] = r31,16; /* save predicates */ \
|
||||
;; \
|
||||
st8 [r16] = r29,16; /* save b0 */ \
|
||||
st8 [r17] = r18,16; /* save ar.rsc value for "loadrs" */\
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r16] = r20,16;/* save original r1 */ \
|
||||
.mem.offset 8,0; st8.spill [r17] = r12,16; \
|
||||
adds r12 = -16,r1; /* switch to kernel memory stack */ \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r16] = r13,16; \
|
||||
.mem.offset 8,0; st8.spill [r17] = r10,16; /* save ar.fpsr */\
|
||||
mov r13 = r21; /* establish `current' */ \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r16] = r15,16; \
|
||||
.mem.offset 8,0; st8.spill [r17] = r14,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r16] = r2,16; \
|
||||
.mem.offset 8,0; st8.spill [r17] = r3,16; \
|
||||
adds r2 = VMM_PT_REGS_R16_OFFSET,r1; \
|
||||
;; \
|
||||
adds r16 = VMM_VCPU_IIPA_OFFSET,r13; \
|
||||
adds r17 = VMM_VCPU_ISR_OFFSET,r13; \
|
||||
mov r26 = cr.iipa; \
|
||||
mov r27 = cr.isr; \
|
||||
;; \
|
||||
st8 [r16] = r26; \
|
||||
st8 [r17] = r27; \
|
||||
;; \
|
||||
EXTRA; \
|
||||
mov r8 = ar.ccv; \
|
||||
mov r9 = ar.csd; \
|
||||
mov r10 = ar.ssd; \
|
||||
movl r11 = FPSR_DEFAULT; /* L-unit */ \
|
||||
adds r17 = VMM_VCPU_GP_OFFSET,r13; \
|
||||
;; \
|
||||
ld8 r1 = [r17];/* establish kernel global pointer */ \
|
||||
;; \
|
||||
PAL_VSA_SYNC_READ \
|
||||
KVM_MINSTATE_END_SAVE_MIN
|
||||
|
||||
/*
|
||||
* SAVE_REST saves the remainder of pt_regs (with psr.ic on).
|
||||
*
|
||||
* Assumed state upon entry:
|
||||
* psr.ic: on
|
||||
* r2: points to &pt_regs.f6
|
||||
* r3: points to &pt_regs.f7
|
||||
* r8: contents of ar.ccv
|
||||
* r9: contents of ar.csd
|
||||
* r10: contents of ar.ssd
|
||||
* r11: FPSR_DEFAULT
|
||||
*
|
||||
* Registers r14 and r15 are guaranteed not to be touched by SAVE_REST.
|
||||
*/
|
||||
#define KVM_SAVE_REST \
|
||||
.mem.offset 0,0; st8.spill [r2] = r16,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r17,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r18,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r19,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r20,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r21,16; \
|
||||
mov r18=b6; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r22,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r23,16; \
|
||||
mov r19 = b7; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r24,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r25,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r26,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r27,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r28,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r29,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r30,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r31,32; \
|
||||
;; \
|
||||
mov ar.fpsr = r11; \
|
||||
st8 [r2] = r8,8; \
|
||||
adds r24 = PT(B6)-PT(F7),r3; \
|
||||
adds r25 = PT(B7)-PT(F7),r3; \
|
||||
;; \
|
||||
st8 [r24] = r18,16; /* b6 */ \
|
||||
st8 [r25] = r19,16; /* b7 */ \
|
||||
adds r2 = PT(R4)-PT(F6),r2; \
|
||||
adds r3 = PT(R5)-PT(F7),r3; \
|
||||
;; \
|
||||
st8 [r24] = r9; /* ar.csd */ \
|
||||
st8 [r25] = r10; /* ar.ssd */ \
|
||||
;; \
|
||||
mov r18 = ar.unat; \
|
||||
adds r19 = PT(EML_UNAT)-PT(R4),r2; \
|
||||
;; \
|
||||
st8 [r19] = r18; /* eml_unat */ \
|
||||
|
||||
|
||||
#define KVM_SAVE_EXTRA \
|
||||
.mem.offset 0,0; st8.spill [r2] = r4,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r5,16; \
|
||||
;; \
|
||||
.mem.offset 0,0; st8.spill [r2] = r6,16; \
|
||||
.mem.offset 8,0; st8.spill [r3] = r7; \
|
||||
;; \
|
||||
mov r26 = ar.unat; \
|
||||
;; \
|
||||
st8 [r2] = r26;/* eml_unat */ \
|
||||
|
||||
#define KVM_SAVE_MIN_WITH_COVER KVM_DO_SAVE_MIN(cover, mov r30 = cr.ifs,)
|
||||
#define KVM_SAVE_MIN_WITH_COVER_R19 KVM_DO_SAVE_MIN(cover, mov r30 = cr.ifs, mov r15 = r19)
|
||||
#define KVM_SAVE_MIN KVM_DO_SAVE_MIN( , mov r30 = r0, )
|
||||
@ -1,30 +0,0 @@
|
||||
#ifndef __KVM_IA64_LAPIC_H
|
||||
#define __KVM_IA64_LAPIC_H
|
||||
|
||||
#include <linux/kvm_host.h>
|
||||
|
||||
/*
|
||||
* vlsapic
|
||||
*/
|
||||
struct kvm_lapic{
|
||||
struct kvm_vcpu *vcpu;
|
||||
uint64_t insvc[4];
|
||||
uint64_t vhpi;
|
||||
uint8_t xtp;
|
||||
uint8_t pal_init_pending;
|
||||
uint8_t pad[2];
|
||||
};
|
||||
|
||||
int kvm_create_lapic(struct kvm_vcpu *vcpu);
|
||||
void kvm_free_lapic(struct kvm_vcpu *vcpu);
|
||||
|
||||
int kvm_apic_match_physical_addr(struct kvm_lapic *apic, u16 dest);
|
||||
int kvm_apic_match_logical_addr(struct kvm_lapic *apic, u8 mda);
|
||||
int kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
|
||||
int short_hand, int dest, int dest_mode);
|
||||
int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2);
|
||||
int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq);
|
||||
#define kvm_apic_present(x) (true)
|
||||
#define kvm_lapic_enabled(x) (true)
|
||||
|
||||
#endif
|
||||
@ -1 +0,0 @@
|
||||
#include "../lib/memcpy.S"
|
||||
@ -1 +0,0 @@
|
||||
#include "../lib/memset.S"
|
||||
@ -1,94 +0,0 @@
|
||||
#ifndef __KVM_IA64_MISC_H
|
||||
#define __KVM_IA64_MISC_H
|
||||
|
||||
#include <linux/kvm_host.h>
|
||||
/*
|
||||
* misc.h
|
||||
* 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.
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
*Return p2m base address at host side!
|
||||
*/
|
||||
static inline uint64_t *kvm_host_get_pmt(struct kvm *kvm)
|
||||
{
|
||||
return (uint64_t *)(kvm->arch.vm_base +
|
||||
offsetof(struct kvm_vm_data, kvm_p2m));
|
||||
}
|
||||
|
||||
static inline void kvm_set_pmt_entry(struct kvm *kvm, gfn_t gfn,
|
||||
u64 paddr, u64 mem_flags)
|
||||
{
|
||||
uint64_t *pmt_base = kvm_host_get_pmt(kvm);
|
||||
unsigned long pte;
|
||||
|
||||
pte = PAGE_ALIGN(paddr) | mem_flags;
|
||||
pmt_base[gfn] = pte;
|
||||
}
|
||||
|
||||
/*Function for translating host address to guest address*/
|
||||
|
||||
static inline void *to_guest(struct kvm *kvm, void *addr)
|
||||
{
|
||||
return (void *)((unsigned long)(addr) - kvm->arch.vm_base +
|
||||
KVM_VM_DATA_BASE);
|
||||
}
|
||||
|
||||
/*Function for translating guest address to host address*/
|
||||
|
||||
static inline void *to_host(struct kvm *kvm, void *addr)
|
||||
{
|
||||
return (void *)((unsigned long)addr - KVM_VM_DATA_BASE
|
||||
+ kvm->arch.vm_base);
|
||||
}
|
||||
|
||||
/* Get host context of the vcpu */
|
||||
static inline union context *kvm_get_host_context(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
union context *ctx = &vcpu->arch.host;
|
||||
return to_guest(vcpu->kvm, ctx);
|
||||
}
|
||||
|
||||
/* Get guest context of the vcpu */
|
||||
static inline union context *kvm_get_guest_context(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
union context *ctx = &vcpu->arch.guest;
|
||||
return to_guest(vcpu->kvm, ctx);
|
||||
}
|
||||
|
||||
/* kvm get exit data from gvmm! */
|
||||
static inline struct exit_ctl_data *kvm_get_exit_data(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return &vcpu->arch.exit_data;
|
||||
}
|
||||
|
||||
/*kvm get vcpu ioreq for kvm module!*/
|
||||
static inline struct kvm_mmio_req *kvm_get_vcpu_ioreq(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct exit_ctl_data *p_ctl_data;
|
||||
|
||||
if (vcpu) {
|
||||
p_ctl_data = kvm_get_exit_data(vcpu);
|
||||
if (p_ctl_data->exit_reason == EXIT_REASON_MMIO_INSTRUCTION)
|
||||
return &p_ctl_data->u.ioreq;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#endif
|
||||
@ -1,336 +0,0 @@
|
||||
/*
|
||||
* mmio.c: MMIO emulation components.
|
||||
* Copyright (c) 2004, Intel Corporation.
|
||||
* Yaozu Dong (Eddie Dong) (Eddie.dong@intel.com)
|
||||
* Kun Tian (Kevin Tian) (Kevin.tian@intel.com)
|
||||
*
|
||||
* Copyright (c) 2007 Intel Corporation KVM support.
|
||||
* Xuefei Xu (Anthony Xu) (anthony.xu@intel.com)
|
||||
* 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 <linux/kvm_host.h>
|
||||
|
||||
#include "vcpu.h"
|
||||
|
||||
static void vlsapic_write_xtp(struct kvm_vcpu *v, uint8_t val)
|
||||
{
|
||||
VLSAPIC_XTP(v) = val;
|
||||
}
|
||||
|
||||
/*
|
||||
* LSAPIC OFFSET
|
||||
*/
|
||||
#define PIB_LOW_HALF(ofst) !(ofst & (1 << 20))
|
||||
#define PIB_OFST_INTA 0x1E0000
|
||||
#define PIB_OFST_XTP 0x1E0008
|
||||
|
||||
/*
|
||||
* execute write IPI op.
|
||||
*/
|
||||
static void vlsapic_write_ipi(struct kvm_vcpu *vcpu,
|
||||
uint64_t addr, uint64_t data)
|
||||
{
|
||||
struct exit_ctl_data *p = ¤t_vcpu->arch.exit_data;
|
||||
unsigned long psr;
|
||||
|
||||
local_irq_save(psr);
|
||||
|
||||
p->exit_reason = EXIT_REASON_IPI;
|
||||
p->u.ipi_data.addr.val = addr;
|
||||
p->u.ipi_data.data.val = data;
|
||||
vmm_transition(current_vcpu);
|
||||
|
||||
local_irq_restore(psr);
|
||||
|
||||
}
|
||||
|
||||
void lsapic_write(struct kvm_vcpu *v, unsigned long addr,
|
||||
unsigned long length, unsigned long val)
|
||||
{
|
||||
addr &= (PIB_SIZE - 1);
|
||||
|
||||
switch (addr) {
|
||||
case PIB_OFST_INTA:
|
||||
panic_vm(v, "Undefined write on PIB INTA\n");
|
||||
break;
|
||||
case PIB_OFST_XTP:
|
||||
if (length == 1) {
|
||||
vlsapic_write_xtp(v, val);
|
||||
} else {
|
||||
panic_vm(v, "Undefined write on PIB XTP\n");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
if (PIB_LOW_HALF(addr)) {
|
||||
/*Lower half */
|
||||
if (length != 8)
|
||||
panic_vm(v, "Can't LHF write with size %ld!\n",
|
||||
length);
|
||||
else
|
||||
vlsapic_write_ipi(v, addr, val);
|
||||
} else { /*Upper half */
|
||||
panic_vm(v, "IPI-UHF write %lx\n", addr);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
unsigned long lsapic_read(struct kvm_vcpu *v, unsigned long addr,
|
||||
unsigned long length)
|
||||
{
|
||||
uint64_t result = 0;
|
||||
|
||||
addr &= (PIB_SIZE - 1);
|
||||
|
||||
switch (addr) {
|
||||
case PIB_OFST_INTA:
|
||||
if (length == 1) /* 1 byte load */
|
||||
; /* There is no i8259, there is no INTA access*/
|
||||
else
|
||||
panic_vm(v, "Undefined read on PIB INTA\n");
|
||||
|
||||
break;
|
||||
case PIB_OFST_XTP:
|
||||
if (length == 1) {
|
||||
result = VLSAPIC_XTP(v);
|
||||
} else {
|
||||
panic_vm(v, "Undefined read on PIB XTP\n");
|
||||
}
|
||||
break;
|
||||
default:
|
||||
panic_vm(v, "Undefined addr access for lsapic!\n");
|
||||
break;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static void mmio_access(struct kvm_vcpu *vcpu, u64 src_pa, u64 *dest,
|
||||
u16 s, int ma, int dir)
|
||||
{
|
||||
unsigned long iot;
|
||||
struct exit_ctl_data *p = &vcpu->arch.exit_data;
|
||||
unsigned long psr;
|
||||
|
||||
iot = __gpfn_is_io(src_pa >> PAGE_SHIFT);
|
||||
|
||||
local_irq_save(psr);
|
||||
|
||||
/*Intercept the access for PIB range*/
|
||||
if (iot == GPFN_PIB) {
|
||||
if (!dir)
|
||||
lsapic_write(vcpu, src_pa, s, *dest);
|
||||
else
|
||||
*dest = lsapic_read(vcpu, src_pa, s);
|
||||
goto out;
|
||||
}
|
||||
p->exit_reason = EXIT_REASON_MMIO_INSTRUCTION;
|
||||
p->u.ioreq.addr = src_pa;
|
||||
p->u.ioreq.size = s;
|
||||
p->u.ioreq.dir = dir;
|
||||
if (dir == IOREQ_WRITE)
|
||||
p->u.ioreq.data = *dest;
|
||||
p->u.ioreq.state = STATE_IOREQ_READY;
|
||||
vmm_transition(vcpu);
|
||||
|
||||
if (p->u.ioreq.state == STATE_IORESP_READY) {
|
||||
if (dir == IOREQ_READ)
|
||||
/* it's necessary to ensure zero extending */
|
||||
*dest = p->u.ioreq.data & (~0UL >> (64-(s*8)));
|
||||
} else
|
||||
panic_vm(vcpu, "Unhandled mmio access returned!\n");
|
||||
out:
|
||||
local_irq_restore(psr);
|
||||
return ;
|
||||
}
|
||||
|
||||
/*
|
||||
dir 1: read 0:write
|
||||
inst_type 0:integer 1:floating point
|
||||
*/
|
||||
#define SL_INTEGER 0 /* store/load interger*/
|
||||
#define SL_FLOATING 1 /* store/load floating*/
|
||||
|
||||
void emulate_io_inst(struct kvm_vcpu *vcpu, u64 padr, u64 ma)
|
||||
{
|
||||
struct kvm_pt_regs *regs;
|
||||
IA64_BUNDLE bundle;
|
||||
int slot, dir = 0;
|
||||
int inst_type = -1;
|
||||
u16 size = 0;
|
||||
u64 data, slot1a, slot1b, temp, update_reg;
|
||||
s32 imm;
|
||||
INST64 inst;
|
||||
|
||||
regs = vcpu_regs(vcpu);
|
||||
|
||||
if (fetch_code(vcpu, regs->cr_iip, &bundle)) {
|
||||
/* if fetch code fail, return and try again */
|
||||
return;
|
||||
}
|
||||
slot = ((struct ia64_psr *)&(regs->cr_ipsr))->ri;
|
||||
if (!slot)
|
||||
inst.inst = bundle.slot0;
|
||||
else if (slot == 1) {
|
||||
slot1a = bundle.slot1a;
|
||||
slot1b = bundle.slot1b;
|
||||
inst.inst = slot1a + (slot1b << 18);
|
||||
} else if (slot == 2)
|
||||
inst.inst = bundle.slot2;
|
||||
|
||||
/* Integer Load/Store */
|
||||
if (inst.M1.major == 4 && inst.M1.m == 0 && inst.M1.x == 0) {
|
||||
inst_type = SL_INTEGER;
|
||||
size = (inst.M1.x6 & 0x3);
|
||||
if ((inst.M1.x6 >> 2) > 0xb) {
|
||||
/*write*/
|
||||
dir = IOREQ_WRITE;
|
||||
data = vcpu_get_gr(vcpu, inst.M4.r2);
|
||||
} else if ((inst.M1.x6 >> 2) < 0xb) {
|
||||
/*read*/
|
||||
dir = IOREQ_READ;
|
||||
}
|
||||
} else if (inst.M2.major == 4 && inst.M2.m == 1 && inst.M2.x == 0) {
|
||||
/* Integer Load + Reg update */
|
||||
inst_type = SL_INTEGER;
|
||||
dir = IOREQ_READ;
|
||||
size = (inst.M2.x6 & 0x3);
|
||||
temp = vcpu_get_gr(vcpu, inst.M2.r3);
|
||||
update_reg = vcpu_get_gr(vcpu, inst.M2.r2);
|
||||
temp += update_reg;
|
||||
vcpu_set_gr(vcpu, inst.M2.r3, temp, 0);
|
||||
} else if (inst.M3.major == 5) {
|
||||
/*Integer Load/Store + Imm update*/
|
||||
inst_type = SL_INTEGER;
|
||||
size = (inst.M3.x6&0x3);
|
||||
if ((inst.M5.x6 >> 2) > 0xb) {
|
||||
/*write*/
|
||||
dir = IOREQ_WRITE;
|
||||
data = vcpu_get_gr(vcpu, inst.M5.r2);
|
||||
temp = vcpu_get_gr(vcpu, inst.M5.r3);
|
||||
imm = (inst.M5.s << 31) | (inst.M5.i << 30) |
|
||||
(inst.M5.imm7 << 23);
|
||||
temp += imm >> 23;
|
||||
vcpu_set_gr(vcpu, inst.M5.r3, temp, 0);
|
||||
|
||||
} else if ((inst.M3.x6 >> 2) < 0xb) {
|
||||
/*read*/
|
||||
dir = IOREQ_READ;
|
||||
temp = vcpu_get_gr(vcpu, inst.M3.r3);
|
||||
imm = (inst.M3.s << 31) | (inst.M3.i << 30) |
|
||||
(inst.M3.imm7 << 23);
|
||||
temp += imm >> 23;
|
||||
vcpu_set_gr(vcpu, inst.M3.r3, temp, 0);
|
||||
|
||||
}
|
||||
} else if (inst.M9.major == 6 && inst.M9.x6 == 0x3B
|
||||
&& inst.M9.m == 0 && inst.M9.x == 0) {
|
||||
/* Floating-point spill*/
|
||||
struct ia64_fpreg v;
|
||||
|
||||
inst_type = SL_FLOATING;
|
||||
dir = IOREQ_WRITE;
|
||||
vcpu_get_fpreg(vcpu, inst.M9.f2, &v);
|
||||
/* Write high word. FIXME: this is a kludge! */
|
||||
v.u.bits[1] &= 0x3ffff;
|
||||
mmio_access(vcpu, padr + 8, (u64 *)&v.u.bits[1], 8,
|
||||
ma, IOREQ_WRITE);
|
||||
data = v.u.bits[0];
|
||||
size = 3;
|
||||
} else if (inst.M10.major == 7 && inst.M10.x6 == 0x3B) {
|
||||
/* Floating-point spill + Imm update */
|
||||
struct ia64_fpreg v;
|
||||
|
||||
inst_type = SL_FLOATING;
|
||||
dir = IOREQ_WRITE;
|
||||
vcpu_get_fpreg(vcpu, inst.M10.f2, &v);
|
||||
temp = vcpu_get_gr(vcpu, inst.M10.r3);
|
||||
imm = (inst.M10.s << 31) | (inst.M10.i << 30) |
|
||||
(inst.M10.imm7 << 23);
|
||||
temp += imm >> 23;
|
||||
vcpu_set_gr(vcpu, inst.M10.r3, temp, 0);
|
||||
|
||||
/* Write high word.FIXME: this is a kludge! */
|
||||
v.u.bits[1] &= 0x3ffff;
|
||||
mmio_access(vcpu, padr + 8, (u64 *)&v.u.bits[1],
|
||||
8, ma, IOREQ_WRITE);
|
||||
data = v.u.bits[0];
|
||||
size = 3;
|
||||
} else if (inst.M10.major == 7 && inst.M10.x6 == 0x31) {
|
||||
/* Floating-point stf8 + Imm update */
|
||||
struct ia64_fpreg v;
|
||||
inst_type = SL_FLOATING;
|
||||
dir = IOREQ_WRITE;
|
||||
size = 3;
|
||||
vcpu_get_fpreg(vcpu, inst.M10.f2, &v);
|
||||
data = v.u.bits[0]; /* Significand. */
|
||||
temp = vcpu_get_gr(vcpu, inst.M10.r3);
|
||||
imm = (inst.M10.s << 31) | (inst.M10.i << 30) |
|
||||
(inst.M10.imm7 << 23);
|
||||
temp += imm >> 23;
|
||||
vcpu_set_gr(vcpu, inst.M10.r3, temp, 0);
|
||||
} else if (inst.M15.major == 7 && inst.M15.x6 >= 0x2c
|
||||
&& inst.M15.x6 <= 0x2f) {
|
||||
temp = vcpu_get_gr(vcpu, inst.M15.r3);
|
||||
imm = (inst.M15.s << 31) | (inst.M15.i << 30) |
|
||||
(inst.M15.imm7 << 23);
|
||||
temp += imm >> 23;
|
||||
vcpu_set_gr(vcpu, inst.M15.r3, temp, 0);
|
||||
|
||||
vcpu_increment_iip(vcpu);
|
||||
return;
|
||||
} else if (inst.M12.major == 6 && inst.M12.m == 1
|
||||
&& inst.M12.x == 1 && inst.M12.x6 == 1) {
|
||||
/* Floating-point Load Pair + Imm ldfp8 M12*/
|
||||
struct ia64_fpreg v;
|
||||
|
||||
inst_type = SL_FLOATING;
|
||||
dir = IOREQ_READ;
|
||||
size = 8; /*ldfd*/
|
||||
mmio_access(vcpu, padr, &data, size, ma, dir);
|
||||
v.u.bits[0] = data;
|
||||
v.u.bits[1] = 0x1003E;
|
||||
vcpu_set_fpreg(vcpu, inst.M12.f1, &v);
|
||||
padr += 8;
|
||||
mmio_access(vcpu, padr, &data, size, ma, dir);
|
||||
v.u.bits[0] = data;
|
||||
v.u.bits[1] = 0x1003E;
|
||||
vcpu_set_fpreg(vcpu, inst.M12.f2, &v);
|
||||
padr += 8;
|
||||
vcpu_set_gr(vcpu, inst.M12.r3, padr, 0);
|
||||
vcpu_increment_iip(vcpu);
|
||||
return;
|
||||
} else {
|
||||
inst_type = -1;
|
||||
panic_vm(vcpu, "Unsupported MMIO access instruction! "
|
||||
"Bunld[0]=0x%lx, Bundle[1]=0x%lx\n",
|
||||
bundle.i64[0], bundle.i64[1]);
|
||||
}
|
||||
|
||||
size = 1 << size;
|
||||
if (dir == IOREQ_WRITE) {
|
||||
mmio_access(vcpu, padr, &data, size, ma, dir);
|
||||
} else {
|
||||
mmio_access(vcpu, padr, &data, size, ma, dir);
|
||||
if (inst_type == SL_INTEGER)
|
||||
vcpu_set_gr(vcpu, inst.M1.r1, data, 0);
|
||||
else
|
||||
panic_vm(vcpu, "Unsupported instruction type!\n");
|
||||
|
||||
}
|
||||
vcpu_increment_iip(vcpu);
|
||||
}
|
||||
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
2209
arch/ia64/kvm/vcpu.c
2209
arch/ia64/kvm/vcpu.c
File diff suppressed because it is too large
Load Diff
@ -1,752 +0,0 @@
|
||||
/*
|
||||
* vcpu.h: vcpu routines
|
||||
* Copyright (c) 2005, Intel Corporation.
|
||||
* Xuefei Xu (Anthony Xu) (Anthony.xu@intel.com)
|
||||
* Yaozu Dong (Eddie Dong) (Eddie.dong@intel.com)
|
||||
*
|
||||
* Copyright (c) 2007, Intel Corporation.
|
||||
* Xuefei Xu (Anthony Xu) (Anthony.xu@intel.com)
|
||||
* 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 __KVM_VCPU_H__
|
||||
#define __KVM_VCPU_H__
|
||||
|
||||
#include <asm/types.h>
|
||||
#include <asm/fpu.h>
|
||||
#include <asm/processor.h>
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
#include "vti.h"
|
||||
|
||||
#include <linux/kvm_host.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
||||
typedef unsigned long IA64_INST;
|
||||
|
||||
typedef union U_IA64_BUNDLE {
|
||||
unsigned long i64[2];
|
||||
struct { unsigned long template:5, slot0:41, slot1a:18,
|
||||
slot1b:23, slot2:41; };
|
||||
/* NOTE: following doesn't work because bitfields can't cross natural
|
||||
size boundaries
|
||||
struct { unsigned long template:5, slot0:41, slot1:41, slot2:41; }; */
|
||||
} IA64_BUNDLE;
|
||||
|
||||
typedef union U_INST64_A5 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, imm7b:7, r3:2, imm5c:5,
|
||||
imm9d:9, s:1, major:4; };
|
||||
} INST64_A5;
|
||||
|
||||
typedef union U_INST64_B4 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, btype:3, un3:3, p:1, b2:3, un11:11, x6:6,
|
||||
wh:2, d:1, un1:1, major:4; };
|
||||
} INST64_B4;
|
||||
|
||||
typedef union U_INST64_B8 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, un21:21, x6:6, un4:4, major:4; };
|
||||
} INST64_B8;
|
||||
|
||||
typedef union U_INST64_B9 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, imm20:20, :1, x6:6, :3, i:1, major:4; };
|
||||
} INST64_B9;
|
||||
|
||||
typedef union U_INST64_I19 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, imm20:20, :1, x6:6, x3:3, i:1, major:4; };
|
||||
} INST64_I19;
|
||||
|
||||
typedef union U_INST64_I26 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, ar3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_I26;
|
||||
|
||||
typedef union U_INST64_I27 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, imm:7, ar3:7, x6:6, x3:3, s:1, major:4; };
|
||||
} INST64_I27;
|
||||
|
||||
typedef union U_INST64_I28 { /* not privileged (mov from AR) */
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, :7, ar3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_I28;
|
||||
|
||||
typedef union U_INST64_M28 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :14, r3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M28;
|
||||
|
||||
typedef union U_INST64_M29 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, ar3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M29;
|
||||
|
||||
typedef union U_INST64_M30 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, imm:7, ar3:7, x4:4, x2:2,
|
||||
x3:3, s:1, major:4; };
|
||||
} INST64_M30;
|
||||
|
||||
typedef union U_INST64_M31 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, :7, ar3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M31;
|
||||
|
||||
typedef union U_INST64_M32 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, cr3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M32;
|
||||
|
||||
typedef union U_INST64_M33 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, :7, cr3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M33;
|
||||
|
||||
typedef union U_INST64_M35 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, :7, x6:6, x3:3, :1, major:4; };
|
||||
|
||||
} INST64_M35;
|
||||
|
||||
typedef union U_INST64_M36 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, :14, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M36;
|
||||
|
||||
typedef union U_INST64_M37 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, imm20a:20, :1, x4:4, x2:2, x3:3,
|
||||
i:1, major:4; };
|
||||
} INST64_M37;
|
||||
|
||||
typedef union U_INST64_M41 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, :7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M41;
|
||||
|
||||
typedef union U_INST64_M42 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, r3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M42;
|
||||
|
||||
typedef union U_INST64_M43 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, :7, r3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M43;
|
||||
|
||||
typedef union U_INST64_M44 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, imm:21, x4:4, i2:2, x3:3, i:1, major:4; };
|
||||
} INST64_M44;
|
||||
|
||||
typedef union U_INST64_M45 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, r2:7, r3:7, x6:6, x3:3, :1, major:4; };
|
||||
} INST64_M45;
|
||||
|
||||
typedef union U_INST64_M46 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, un7:7, r3:7, x6:6,
|
||||
x3:3, un1:1, major:4; };
|
||||
} INST64_M46;
|
||||
|
||||
typedef union U_INST64_M47 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, un14:14, r3:7, x6:6, x3:3, un1:1, major:4; };
|
||||
} INST64_M47;
|
||||
|
||||
typedef union U_INST64_M1{
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, un7:7, r3:7, x:1, hint:2,
|
||||
x6:6, m:1, major:4; };
|
||||
} INST64_M1;
|
||||
|
||||
typedef union U_INST64_M2{
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, r2:7, r3:7, x:1, hint:2,
|
||||
x6:6, m:1, major:4; };
|
||||
} INST64_M2;
|
||||
|
||||
typedef union U_INST64_M3{
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, r1:7, imm7:7, r3:7, i:1, hint:2,
|
||||
x6:6, s:1, major:4; };
|
||||
} INST64_M3;
|
||||
|
||||
typedef union U_INST64_M4 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, un7:7, r2:7, r3:7, x:1, hint:2,
|
||||
x6:6, m:1, major:4; };
|
||||
} INST64_M4;
|
||||
|
||||
typedef union U_INST64_M5 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, imm7:7, r2:7, r3:7, i:1, hint:2,
|
||||
x6:6, s:1, major:4; };
|
||||
} INST64_M5;
|
||||
|
||||
typedef union U_INST64_M6 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, f1:7, un7:7, r3:7, x:1, hint:2,
|
||||
x6:6, m:1, major:4; };
|
||||
} INST64_M6;
|
||||
|
||||
typedef union U_INST64_M9 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, f2:7, r3:7, x:1, hint:2,
|
||||
x6:6, m:1, major:4; };
|
||||
} INST64_M9;
|
||||
|
||||
typedef union U_INST64_M10 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, imm7:7, f2:7, r3:7, i:1, hint:2,
|
||||
x6:6, s:1, major:4; };
|
||||
} INST64_M10;
|
||||
|
||||
typedef union U_INST64_M12 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, f1:7, f2:7, r3:7, x:1, hint:2,
|
||||
x6:6, m:1, major:4; };
|
||||
} INST64_M12;
|
||||
|
||||
typedef union U_INST64_M15 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long qp:6, :7, imm7:7, r3:7, i:1, hint:2,
|
||||
x6:6, s:1, major:4; };
|
||||
} INST64_M15;
|
||||
|
||||
typedef union U_INST64 {
|
||||
IA64_INST inst;
|
||||
struct { unsigned long :37, major:4; } generic;
|
||||
INST64_A5 A5; /* used in build_hypercall_bundle only */
|
||||
INST64_B4 B4; /* used in build_hypercall_bundle only */
|
||||
INST64_B8 B8; /* rfi, bsw.[01] */
|
||||
INST64_B9 B9; /* break.b */
|
||||
INST64_I19 I19; /* used in build_hypercall_bundle only */
|
||||
INST64_I26 I26; /* mov register to ar (I unit) */
|
||||
INST64_I27 I27; /* mov immediate to ar (I unit) */
|
||||
INST64_I28 I28; /* mov from ar (I unit) */
|
||||
INST64_M1 M1; /* ld integer */
|
||||
INST64_M2 M2;
|
||||
INST64_M3 M3;
|
||||
INST64_M4 M4; /* st integer */
|
||||
INST64_M5 M5;
|
||||
INST64_M6 M6; /* ldfd floating pointer */
|
||||
INST64_M9 M9; /* stfd floating pointer */
|
||||
INST64_M10 M10; /* stfd floating pointer */
|
||||
INST64_M12 M12; /* ldfd pair floating pointer */
|
||||
INST64_M15 M15; /* lfetch + imm update */
|
||||
INST64_M28 M28; /* purge translation cache entry */
|
||||
INST64_M29 M29; /* mov register to ar (M unit) */
|
||||
INST64_M30 M30; /* mov immediate to ar (M unit) */
|
||||
INST64_M31 M31; /* mov from ar (M unit) */
|
||||
INST64_M32 M32; /* mov reg to cr */
|
||||
INST64_M33 M33; /* mov from cr */
|
||||
INST64_M35 M35; /* mov to psr */
|
||||
INST64_M36 M36; /* mov from psr */
|
||||
INST64_M37 M37; /* break.m */
|
||||
INST64_M41 M41; /* translation cache insert */
|
||||
INST64_M42 M42; /* mov to indirect reg/translation reg insert*/
|
||||
INST64_M43 M43; /* mov from indirect reg */
|
||||
INST64_M44 M44; /* set/reset system mask */
|
||||
INST64_M45 M45; /* translation purge */
|
||||
INST64_M46 M46; /* translation access (tpa,tak) */
|
||||
INST64_M47 M47; /* purge translation entry */
|
||||
} INST64;
|
||||
|
||||
#define MASK_41 ((unsigned long)0x1ffffffffff)
|
||||
|
||||
/* Virtual address memory attributes encoding */
|
||||
#define VA_MATTR_WB 0x0
|
||||
#define VA_MATTR_UC 0x4
|
||||
#define VA_MATTR_UCE 0x5
|
||||
#define VA_MATTR_WC 0x6
|
||||
#define VA_MATTR_NATPAGE 0x7
|
||||
|
||||
#define PMASK(size) (~((size) - 1))
|
||||
#define PSIZE(size) (1UL<<(size))
|
||||
#define CLEARLSB(ppn, nbits) (((ppn) >> (nbits)) << (nbits))
|
||||
#define PAGEALIGN(va, ps) CLEARLSB(va, ps)
|
||||
#define PAGE_FLAGS_RV_MASK (0x2|(0x3UL<<50)|(((1UL<<11)-1)<<53))
|
||||
#define _PAGE_MA_ST (0x1 << 2) /* is reserved for software use */
|
||||
|
||||
#define ARCH_PAGE_SHIFT 12
|
||||
|
||||
#define INVALID_TI_TAG (1UL << 63)
|
||||
|
||||
#define VTLB_PTE_P_BIT 0
|
||||
#define VTLB_PTE_IO_BIT 60
|
||||
#define VTLB_PTE_IO (1UL<<VTLB_PTE_IO_BIT)
|
||||
#define VTLB_PTE_P (1UL<<VTLB_PTE_P_BIT)
|
||||
|
||||
#define vcpu_quick_region_check(_tr_regions,_ifa) \
|
||||
(_tr_regions & (1 << ((unsigned long)_ifa >> 61)))
|
||||
|
||||
#define vcpu_quick_region_set(_tr_regions,_ifa) \
|
||||
do {_tr_regions |= (1 << ((unsigned long)_ifa >> 61)); } while (0)
|
||||
|
||||
static inline void vcpu_set_tr(struct thash_data *trp, u64 pte, u64 itir,
|
||||
u64 va, u64 rid)
|
||||
{
|
||||
trp->page_flags = pte;
|
||||
trp->itir = itir;
|
||||
trp->vadr = va;
|
||||
trp->rid = rid;
|
||||
}
|
||||
|
||||
extern u64 kvm_get_mpt_entry(u64 gpfn);
|
||||
|
||||
/* Return I/ */
|
||||
static inline u64 __gpfn_is_io(u64 gpfn)
|
||||
{
|
||||
u64 pte;
|
||||
pte = kvm_get_mpt_entry(gpfn);
|
||||
if (!(pte & GPFN_INV_MASK)) {
|
||||
pte = pte & GPFN_IO_MASK;
|
||||
if (pte != GPFN_PHYS_MMIO)
|
||||
return pte;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
#define IA64_NO_FAULT 0
|
||||
#define IA64_FAULT 1
|
||||
|
||||
#define VMM_RBS_OFFSET ((VMM_TASK_SIZE + 15) & ~15)
|
||||
|
||||
#define SW_BAD 0 /* Bad mode transitition */
|
||||
#define SW_V2P 1 /* Physical emulatino is activated */
|
||||
#define SW_P2V 2 /* Exit physical mode emulation */
|
||||
#define SW_SELF 3 /* No mode transition */
|
||||
#define SW_NOP 4 /* Mode transition, but without action required */
|
||||
|
||||
#define GUEST_IN_PHY 0x1
|
||||
#define GUEST_PHY_EMUL 0x2
|
||||
|
||||
#define current_vcpu ((struct kvm_vcpu *) ia64_getreg(_IA64_REG_TP))
|
||||
|
||||
#define VRN_SHIFT 61
|
||||
#define VRN_MASK 0xe000000000000000
|
||||
#define VRN0 0x0UL
|
||||
#define VRN1 0x1UL
|
||||
#define VRN2 0x2UL
|
||||
#define VRN3 0x3UL
|
||||
#define VRN4 0x4UL
|
||||
#define VRN5 0x5UL
|
||||
#define VRN6 0x6UL
|
||||
#define VRN7 0x7UL
|
||||
|
||||
#define IRQ_NO_MASKED 0
|
||||
#define IRQ_MASKED_BY_VTPR 1
|
||||
#define IRQ_MASKED_BY_INSVC 2 /* masked by inservice IRQ */
|
||||
|
||||
#define PTA_BASE_SHIFT 15
|
||||
|
||||
#define IA64_PSR_VM_BIT 46
|
||||
#define IA64_PSR_VM (__IA64_UL(1) << IA64_PSR_VM_BIT)
|
||||
|
||||
/* Interruption Function State */
|
||||
#define IA64_IFS_V_BIT 63
|
||||
#define IA64_IFS_V (__IA64_UL(1) << IA64_IFS_V_BIT)
|
||||
|
||||
#define PHY_PAGE_UC (_PAGE_A|_PAGE_D|_PAGE_P|_PAGE_MA_UC|_PAGE_AR_RWX)
|
||||
#define PHY_PAGE_WB (_PAGE_A|_PAGE_D|_PAGE_P|_PAGE_MA_WB|_PAGE_AR_RWX)
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#include <asm/gcc_intrin.h>
|
||||
|
||||
#define is_physical_mode(v) \
|
||||
((v->arch.mode_flags) & GUEST_IN_PHY)
|
||||
|
||||
#define is_virtual_mode(v) \
|
||||
(!is_physical_mode(v))
|
||||
|
||||
#define MODE_IND(psr) \
|
||||
(((psr).it << 2) + ((psr).dt << 1) + (psr).rt)
|
||||
|
||||
#ifndef CONFIG_SMP
|
||||
#define _vmm_raw_spin_lock(x) do {}while(0)
|
||||
#define _vmm_raw_spin_unlock(x) do {}while(0)
|
||||
#else
|
||||
typedef struct {
|
||||
volatile unsigned int lock;
|
||||
} vmm_spinlock_t;
|
||||
#define _vmm_raw_spin_lock(x) \
|
||||
do { \
|
||||
__u32 *ia64_spinlock_ptr = (__u32 *) (x); \
|
||||
__u64 ia64_spinlock_val; \
|
||||
ia64_spinlock_val = ia64_cmpxchg4_acq(ia64_spinlock_ptr, 1, 0);\
|
||||
if (unlikely(ia64_spinlock_val)) { \
|
||||
do { \
|
||||
while (*ia64_spinlock_ptr) \
|
||||
ia64_barrier(); \
|
||||
ia64_spinlock_val = \
|
||||
ia64_cmpxchg4_acq(ia64_spinlock_ptr, 1, 0);\
|
||||
} while (ia64_spinlock_val); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#define _vmm_raw_spin_unlock(x) \
|
||||
do { barrier(); \
|
||||
((vmm_spinlock_t *)x)->lock = 0; } \
|
||||
while (0)
|
||||
#endif
|
||||
|
||||
void vmm_spin_lock(vmm_spinlock_t *lock);
|
||||
void vmm_spin_unlock(vmm_spinlock_t *lock);
|
||||
enum {
|
||||
I_TLB = 1,
|
||||
D_TLB = 2
|
||||
};
|
||||
|
||||
union kvm_va {
|
||||
struct {
|
||||
unsigned long off : 60; /* intra-region offset */
|
||||
unsigned long reg : 4; /* region number */
|
||||
} f;
|
||||
unsigned long l;
|
||||
void *p;
|
||||
};
|
||||
|
||||
#define __kvm_pa(x) ({union kvm_va _v; _v.l = (long) (x); \
|
||||
_v.f.reg = 0; _v.l; })
|
||||
#define __kvm_va(x) ({union kvm_va _v; _v.l = (long) (x); \
|
||||
_v.f.reg = -1; _v.p; })
|
||||
|
||||
#define _REGION_ID(x) ({union ia64_rr _v; _v.val = (long)(x); \
|
||||
_v.rid; })
|
||||
#define _REGION_PAGE_SIZE(x) ({union ia64_rr _v; _v.val = (long)(x); \
|
||||
_v.ps; })
|
||||
#define _REGION_HW_WALKER(x) ({union ia64_rr _v; _v.val = (long)(x); \
|
||||
_v.ve; })
|
||||
|
||||
enum vhpt_ref{ DATA_REF, NA_REF, INST_REF, RSE_REF };
|
||||
enum tlb_miss_type { INSTRUCTION, DATA, REGISTER };
|
||||
|
||||
#define VCPU(_v, _x) ((_v)->arch.vpd->_x)
|
||||
#define VMX(_v, _x) ((_v)->arch._x)
|
||||
|
||||
#define VLSAPIC_INSVC(vcpu, i) ((vcpu)->arch.insvc[i])
|
||||
#define VLSAPIC_XTP(_v) VMX(_v, xtp)
|
||||
|
||||
static inline unsigned long itir_ps(unsigned long itir)
|
||||
{
|
||||
return ((itir >> 2) & 0x3f);
|
||||
}
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
VCPU control register access routines
|
||||
**************************************************************************/
|
||||
|
||||
static inline u64 vcpu_get_itir(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, itir));
|
||||
}
|
||||
|
||||
static inline void vcpu_set_itir(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, itir) = val;
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_ifa(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, ifa));
|
||||
}
|
||||
|
||||
static inline void vcpu_set_ifa(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, ifa) = val;
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_iva(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, iva));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_pta(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, pta));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_lid(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, lid));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_tpr(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, tpr));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_eoi(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return (0UL); /*reads of eoi always return 0 */
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_irr0(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, irr[0]));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_irr1(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, irr[1]));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_irr2(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, irr[2]));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_irr3(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
return ((u64)VCPU(vcpu, irr[3]));
|
||||
}
|
||||
|
||||
static inline void vcpu_set_dcr(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
ia64_setreg(_IA64_REG_CR_DCR, val);
|
||||
}
|
||||
|
||||
static inline void vcpu_set_isr(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, isr) = val;
|
||||
}
|
||||
|
||||
static inline void vcpu_set_lid(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, lid) = val;
|
||||
}
|
||||
|
||||
static inline void vcpu_set_ipsr(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, ipsr) = val;
|
||||
}
|
||||
|
||||
static inline void vcpu_set_iip(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, iip) = val;
|
||||
}
|
||||
|
||||
static inline void vcpu_set_ifs(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, ifs) = val;
|
||||
}
|
||||
|
||||
static inline void vcpu_set_iipa(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, iipa) = val;
|
||||
}
|
||||
|
||||
static inline void vcpu_set_iha(struct kvm_vcpu *vcpu, u64 val)
|
||||
{
|
||||
VCPU(vcpu, iha) = val;
|
||||
}
|
||||
|
||||
|
||||
static inline u64 vcpu_get_rr(struct kvm_vcpu *vcpu, u64 reg)
|
||||
{
|
||||
return vcpu->arch.vrr[reg>>61];
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
VCPU debug breakpoint register access routines
|
||||
**************************************************************************/
|
||||
|
||||
static inline void vcpu_set_dbr(struct kvm_vcpu *vcpu, u64 reg, u64 val)
|
||||
{
|
||||
__ia64_set_dbr(reg, val);
|
||||
}
|
||||
|
||||
static inline void vcpu_set_ibr(struct kvm_vcpu *vcpu, u64 reg, u64 val)
|
||||
{
|
||||
ia64_set_ibr(reg, val);
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_dbr(struct kvm_vcpu *vcpu, u64 reg)
|
||||
{
|
||||
return ((u64)__ia64_get_dbr(reg));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_ibr(struct kvm_vcpu *vcpu, u64 reg)
|
||||
{
|
||||
return ((u64)ia64_get_ibr(reg));
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
VCPU performance monitor register access routines
|
||||
**************************************************************************/
|
||||
static inline void vcpu_set_pmc(struct kvm_vcpu *vcpu, u64 reg, u64 val)
|
||||
{
|
||||
/* NOTE: Writes to unimplemented PMC registers are discarded */
|
||||
ia64_set_pmc(reg, val);
|
||||
}
|
||||
|
||||
static inline void vcpu_set_pmd(struct kvm_vcpu *vcpu, u64 reg, u64 val)
|
||||
{
|
||||
/* NOTE: Writes to unimplemented PMD registers are discarded */
|
||||
ia64_set_pmd(reg, val);
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_pmc(struct kvm_vcpu *vcpu, u64 reg)
|
||||
{
|
||||
/* NOTE: Reads from unimplemented PMC registers return zero */
|
||||
return ((u64)ia64_get_pmc(reg));
|
||||
}
|
||||
|
||||
static inline u64 vcpu_get_pmd(struct kvm_vcpu *vcpu, u64 reg)
|
||||
{
|
||||
/* NOTE: Reads from unimplemented PMD registers return zero */
|
||||
return ((u64)ia64_get_pmd(reg));
|
||||
}
|
||||
|
||||
static inline unsigned long vrrtomrr(unsigned long val)
|
||||
{
|
||||
union ia64_rr rr;
|
||||
rr.val = val;
|
||||
rr.rid = (rr.rid << 4) | 0xe;
|
||||
if (rr.ps > PAGE_SHIFT)
|
||||
rr.ps = PAGE_SHIFT;
|
||||
rr.ve = 1;
|
||||
return rr.val;
|
||||
}
|
||||
|
||||
|
||||
static inline int highest_bits(int *dat)
|
||||
{
|
||||
u32 bits, bitnum;
|
||||
int i;
|
||||
|
||||
/* loop for all 256 bits */
|
||||
for (i = 7; i >= 0 ; i--) {
|
||||
bits = dat[i];
|
||||
if (bits) {
|
||||
bitnum = fls(bits);
|
||||
return i * 32 + bitnum - 1;
|
||||
}
|
||||
}
|
||||
return NULL_VECTOR;
|
||||
}
|
||||
|
||||
/*
|
||||
* The pending irq is higher than the inservice one.
|
||||
*
|
||||
*/
|
||||
static inline int is_higher_irq(int pending, int inservice)
|
||||
{
|
||||
return ((pending > inservice)
|
||||
|| ((pending != NULL_VECTOR)
|
||||
&& (inservice == NULL_VECTOR)));
|
||||
}
|
||||
|
||||
static inline int is_higher_class(int pending, int mic)
|
||||
{
|
||||
return ((pending >> 4) > mic);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return 0-255 for pending irq.
|
||||
* NULL_VECTOR: when no pending.
|
||||
*/
|
||||
static inline int highest_pending_irq(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
if (VCPU(vcpu, irr[0]) & (1UL<<NMI_VECTOR))
|
||||
return NMI_VECTOR;
|
||||
if (VCPU(vcpu, irr[0]) & (1UL<<ExtINT_VECTOR))
|
||||
return ExtINT_VECTOR;
|
||||
|
||||
return highest_bits((int *)&VCPU(vcpu, irr[0]));
|
||||
}
|
||||
|
||||
static inline int highest_inservice_irq(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
if (VMX(vcpu, insvc[0]) & (1UL<<NMI_VECTOR))
|
||||
return NMI_VECTOR;
|
||||
if (VMX(vcpu, insvc[0]) & (1UL<<ExtINT_VECTOR))
|
||||
return ExtINT_VECTOR;
|
||||
|
||||
return highest_bits((int *)&(VMX(vcpu, insvc[0])));
|
||||
}
|
||||
|
||||
extern void vcpu_get_fpreg(struct kvm_vcpu *vcpu, unsigned long reg,
|
||||
struct ia64_fpreg *val);
|
||||
extern void vcpu_set_fpreg(struct kvm_vcpu *vcpu, unsigned long reg,
|
||||
struct ia64_fpreg *val);
|
||||
extern u64 vcpu_get_gr(struct kvm_vcpu *vcpu, unsigned long reg);
|
||||
extern void vcpu_set_gr(struct kvm_vcpu *vcpu, unsigned long reg,
|
||||
u64 val, int nat);
|
||||
extern unsigned long vcpu_get_psr(struct kvm_vcpu *vcpu);
|
||||
extern void vcpu_set_psr(struct kvm_vcpu *vcpu, unsigned long val);
|
||||
extern u64 vcpu_thash(struct kvm_vcpu *vcpu, u64 vadr);
|
||||
extern void vcpu_bsw0(struct kvm_vcpu *vcpu);
|
||||
extern void thash_vhpt_insert(struct kvm_vcpu *v, u64 pte,
|
||||
u64 itir, u64 va, int type);
|
||||
extern struct thash_data *vhpt_lookup(u64 va);
|
||||
extern u64 guest_vhpt_lookup(u64 iha, u64 *pte);
|
||||
extern void thash_purge_entries(struct kvm_vcpu *v, u64 va, u64 ps);
|
||||
extern void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps);
|
||||
extern u64 translate_phy_pte(u64 *pte, u64 itir, u64 va);
|
||||
extern void thash_purge_and_insert(struct kvm_vcpu *v, u64 pte,
|
||||
u64 itir, u64 ifa, int type);
|
||||
extern void thash_purge_all(struct kvm_vcpu *v);
|
||||
extern struct thash_data *vtlb_lookup(struct kvm_vcpu *v,
|
||||
u64 va, int is_data);
|
||||
extern int vtr_find_overlap(struct kvm_vcpu *vcpu, u64 va,
|
||||
u64 ps, int is_data);
|
||||
|
||||
extern void vcpu_increment_iip(struct kvm_vcpu *v);
|
||||
extern void vcpu_decrement_iip(struct kvm_vcpu *vcpu);
|
||||
extern void vcpu_pend_interrupt(struct kvm_vcpu *vcpu, u8 vec);
|
||||
extern void vcpu_unpend_interrupt(struct kvm_vcpu *vcpu, u8 vec);
|
||||
extern void data_page_not_present(struct kvm_vcpu *vcpu, u64 vadr);
|
||||
extern void dnat_page_consumption(struct kvm_vcpu *vcpu, u64 vadr);
|
||||
extern void alt_dtlb(struct kvm_vcpu *vcpu, u64 vadr);
|
||||
extern void nested_dtlb(struct kvm_vcpu *vcpu);
|
||||
extern void dvhpt_fault(struct kvm_vcpu *vcpu, u64 vadr);
|
||||
extern int vhpt_enabled(struct kvm_vcpu *vcpu, u64 vadr, enum vhpt_ref ref);
|
||||
|
||||
extern void update_vhpi(struct kvm_vcpu *vcpu, int vec);
|
||||
extern int irq_masked(struct kvm_vcpu *vcpu, int h_pending, int h_inservice);
|
||||
|
||||
extern int fetch_code(struct kvm_vcpu *vcpu, u64 gip, IA64_BUNDLE *pbundle);
|
||||
extern void emulate_io_inst(struct kvm_vcpu *vcpu, u64 padr, u64 ma);
|
||||
extern void vmm_transition(struct kvm_vcpu *vcpu);
|
||||
extern void vmm_trampoline(union context *from, union context *to);
|
||||
extern int vmm_entry(void);
|
||||
extern u64 vcpu_get_itc(struct kvm_vcpu *vcpu);
|
||||
|
||||
extern void vmm_reset_entry(void);
|
||||
void kvm_init_vtlb(struct kvm_vcpu *v);
|
||||
void kvm_init_vhpt(struct kvm_vcpu *v);
|
||||
void thash_init(struct thash_cb *hcb, u64 sz);
|
||||
|
||||
void panic_vm(struct kvm_vcpu *v, const char *fmt, ...);
|
||||
u64 kvm_gpa_to_mpa(u64 gpa);
|
||||
extern u64 ia64_call_vsa(u64 proc, u64 arg1, u64 arg2, u64 arg3,
|
||||
u64 arg4, u64 arg5, u64 arg6, u64 arg7);
|
||||
|
||||
extern long vmm_sanity;
|
||||
|
||||
#endif
|
||||
#endif /* __VCPU_H__ */
|
||||
@ -1,99 +0,0 @@
|
||||
/*
|
||||
* vmm.c: vmm module interface with kvm module
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <asm/fpswa.h>
|
||||
|
||||
#include "vcpu.h"
|
||||
|
||||
MODULE_AUTHOR("Intel");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
extern char kvm_ia64_ivt;
|
||||
extern char kvm_asm_mov_from_ar;
|
||||
extern char kvm_asm_mov_from_ar_sn2;
|
||||
extern fpswa_interface_t *vmm_fpswa_interface;
|
||||
|
||||
long vmm_sanity = 1;
|
||||
|
||||
struct kvm_vmm_info vmm_info = {
|
||||
.module = THIS_MODULE,
|
||||
.vmm_entry = vmm_entry,
|
||||
.tramp_entry = vmm_trampoline,
|
||||
.vmm_ivt = (unsigned long)&kvm_ia64_ivt,
|
||||
.patch_mov_ar = (unsigned long)&kvm_asm_mov_from_ar,
|
||||
.patch_mov_ar_sn2 = (unsigned long)&kvm_asm_mov_from_ar_sn2,
|
||||
};
|
||||
|
||||
static int __init kvm_vmm_init(void)
|
||||
{
|
||||
|
||||
vmm_fpswa_interface = fpswa_interface;
|
||||
|
||||
/*Register vmm data to kvm side*/
|
||||
return kvm_init(&vmm_info, 1024, 0, THIS_MODULE);
|
||||
}
|
||||
|
||||
static void __exit kvm_vmm_exit(void)
|
||||
{
|
||||
kvm_exit();
|
||||
return ;
|
||||
}
|
||||
|
||||
void vmm_spin_lock(vmm_spinlock_t *lock)
|
||||
{
|
||||
_vmm_raw_spin_lock(lock);
|
||||
}
|
||||
|
||||
void vmm_spin_unlock(vmm_spinlock_t *lock)
|
||||
{
|
||||
_vmm_raw_spin_unlock(lock);
|
||||
}
|
||||
|
||||
static void vcpu_debug_exit(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
struct exit_ctl_data *p = &vcpu->arch.exit_data;
|
||||
long psr;
|
||||
|
||||
local_irq_save(psr);
|
||||
p->exit_reason = EXIT_REASON_DEBUG;
|
||||
vmm_transition(vcpu);
|
||||
local_irq_restore(psr);
|
||||
}
|
||||
|
||||
asmlinkage int printk(const char *fmt, ...)
|
||||
{
|
||||
struct kvm_vcpu *vcpu = current_vcpu;
|
||||
va_list args;
|
||||
int r;
|
||||
|
||||
memset(vcpu->arch.log_buf, 0, VMM_LOG_LEN);
|
||||
va_start(args, fmt);
|
||||
r = vsnprintf(vcpu->arch.log_buf, VMM_LOG_LEN, fmt, args);
|
||||
va_end(args);
|
||||
vcpu_debug_exit(vcpu);
|
||||
return r;
|
||||
}
|
||||
|
||||
module_init(kvm_vmm_init)
|
||||
module_exit(kvm_vmm_exit)
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,290 +0,0 @@
|
||||
/*
|
||||
* vti.h: prototype for generial vt related interface
|
||||
* Copyright (c) 2004, Intel Corporation.
|
||||
*
|
||||
* Xuefei Xu (Anthony Xu) (anthony.xu@intel.com)
|
||||
* Fred Yang (fred.yang@intel.com)
|
||||
* Kun Tian (Kevin Tian) (kevin.tian@intel.com)
|
||||
*
|
||||
* Copyright (c) 2007, Intel Corporation.
|
||||
* Zhang xiantao <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 _KVM_VT_I_H
|
||||
#define _KVM_VT_I_H
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
#include <asm/page.h>
|
||||
|
||||
#include <linux/kvm_host.h>
|
||||
|
||||
/* define itr.i and itr.d in ia64_itr function */
|
||||
#define ITR 0x01
|
||||
#define DTR 0x02
|
||||
#define IaDTR 0x03
|
||||
|
||||
#define IA64_TR_VMM 6 /*itr6, dtr6 : maps vmm code, vmbuffer*/
|
||||
#define IA64_TR_VM_DATA 7 /*dtr7 : maps current vm data*/
|
||||
|
||||
#define RR6 (6UL<<61)
|
||||
#define RR7 (7UL<<61)
|
||||
|
||||
|
||||
/* config_options in pal_vp_init_env */
|
||||
#define VP_INITIALIZE 1UL
|
||||
#define VP_FR_PMC 1UL<<1
|
||||
#define VP_OPCODE 1UL<<8
|
||||
#define VP_CAUSE 1UL<<9
|
||||
#define VP_FW_ACC 1UL<<63
|
||||
|
||||
/* init vp env with initializing vm_buffer */
|
||||
#define VP_INIT_ENV_INITALIZE (VP_INITIALIZE | VP_FR_PMC |\
|
||||
VP_OPCODE | VP_CAUSE | VP_FW_ACC)
|
||||
/* init vp env without initializing vm_buffer */
|
||||
#define VP_INIT_ENV VP_FR_PMC | VP_OPCODE | VP_CAUSE | VP_FW_ACC
|
||||
|
||||
#define PAL_VP_CREATE 265
|
||||
/* Stacked Virt. Initializes a new VPD for the operation of
|
||||
* a new virtual processor in the virtual environment.
|
||||
*/
|
||||
#define PAL_VP_ENV_INFO 266
|
||||
/*Stacked Virt. Returns the parameters needed to enter a virtual environment.*/
|
||||
#define PAL_VP_EXIT_ENV 267
|
||||
/*Stacked Virt. Allows a logical processor to exit a virtual environment.*/
|
||||
#define PAL_VP_INIT_ENV 268
|
||||
/*Stacked Virt. Allows a logical processor to enter a virtual environment.*/
|
||||
#define PAL_VP_REGISTER 269
|
||||
/*Stacked Virt. Register a different host IVT for the virtual processor.*/
|
||||
#define PAL_VP_RESUME 270
|
||||
/* Renamed from PAL_VP_RESUME */
|
||||
#define PAL_VP_RESTORE 270
|
||||
/*Stacked Virt. Resumes virtual processor operation on the logical processor.*/
|
||||
#define PAL_VP_SUSPEND 271
|
||||
/* Renamed from PAL_VP_SUSPEND */
|
||||
#define PAL_VP_SAVE 271
|
||||
/* Stacked Virt. Suspends operation for the specified virtual processor on
|
||||
* the logical processor.
|
||||
*/
|
||||
#define PAL_VP_TERMINATE 272
|
||||
/* Stacked Virt. Terminates operation for the specified virtual processor.*/
|
||||
|
||||
union vac {
|
||||
unsigned long value;
|
||||
struct {
|
||||
unsigned int a_int:1;
|
||||
unsigned int a_from_int_cr:1;
|
||||
unsigned int a_to_int_cr:1;
|
||||
unsigned int a_from_psr:1;
|
||||
unsigned int a_from_cpuid:1;
|
||||
unsigned int a_cover:1;
|
||||
unsigned int a_bsw:1;
|
||||
long reserved:57;
|
||||
};
|
||||
};
|
||||
|
||||
union vdc {
|
||||
unsigned long value;
|
||||
struct {
|
||||
unsigned int d_vmsw:1;
|
||||
unsigned int d_extint:1;
|
||||
unsigned int d_ibr_dbr:1;
|
||||
unsigned int d_pmc:1;
|
||||
unsigned int d_to_pmd:1;
|
||||
unsigned int d_itm:1;
|
||||
long reserved:58;
|
||||
};
|
||||
};
|
||||
|
||||
struct vpd {
|
||||
union vac vac;
|
||||
union vdc vdc;
|
||||
unsigned long virt_env_vaddr;
|
||||
unsigned long reserved1[29];
|
||||
unsigned long vhpi;
|
||||
unsigned long reserved2[95];
|
||||
unsigned long vgr[16];
|
||||
unsigned long vbgr[16];
|
||||
unsigned long vnat;
|
||||
unsigned long vbnat;
|
||||
unsigned long vcpuid[5];
|
||||
unsigned long reserved3[11];
|
||||
unsigned long vpsr;
|
||||
unsigned long vpr;
|
||||
unsigned long reserved4[76];
|
||||
union {
|
||||
unsigned long vcr[128];
|
||||
struct {
|
||||
unsigned long dcr;
|
||||
unsigned long itm;
|
||||
unsigned long iva;
|
||||
unsigned long rsv1[5];
|
||||
unsigned long pta;
|
||||
unsigned long rsv2[7];
|
||||
unsigned long ipsr;
|
||||
unsigned long isr;
|
||||
unsigned long rsv3;
|
||||
unsigned long iip;
|
||||
unsigned long ifa;
|
||||
unsigned long itir;
|
||||
unsigned long iipa;
|
||||
unsigned long ifs;
|
||||
unsigned long iim;
|
||||
unsigned long iha;
|
||||
unsigned long rsv4[38];
|
||||
unsigned long lid;
|
||||
unsigned long ivr;
|
||||
unsigned long tpr;
|
||||
unsigned long eoi;
|
||||
unsigned long irr[4];
|
||||
unsigned long itv;
|
||||
unsigned long pmv;
|
||||
unsigned long cmcv;
|
||||
unsigned long rsv5[5];
|
||||
unsigned long lrr0;
|
||||
unsigned long lrr1;
|
||||
unsigned long rsv6[46];
|
||||
};
|
||||
};
|
||||
unsigned long reserved5[128];
|
||||
unsigned long reserved6[3456];
|
||||
unsigned long vmm_avail[128];
|
||||
unsigned long reserved7[4096];
|
||||
};
|
||||
|
||||
#define PAL_PROC_VM_BIT (1UL << 40)
|
||||
#define PAL_PROC_VMSW_BIT (1UL << 54)
|
||||
|
||||
static inline s64 ia64_pal_vp_env_info(u64 *buffer_size,
|
||||
u64 *vp_env_info)
|
||||
{
|
||||
struct ia64_pal_retval iprv;
|
||||
PAL_CALL_STK(iprv, PAL_VP_ENV_INFO, 0, 0, 0);
|
||||
*buffer_size = iprv.v0;
|
||||
*vp_env_info = iprv.v1;
|
||||
return iprv.status;
|
||||
}
|
||||
|
||||
static inline s64 ia64_pal_vp_exit_env(u64 iva)
|
||||
{
|
||||
struct ia64_pal_retval iprv;
|
||||
|
||||
PAL_CALL_STK(iprv, PAL_VP_EXIT_ENV, (u64)iva, 0, 0);
|
||||
return iprv.status;
|
||||
}
|
||||
|
||||
static inline s64 ia64_pal_vp_init_env(u64 config_options, u64 pbase_addr,
|
||||
u64 vbase_addr, u64 *vsa_base)
|
||||
{
|
||||
struct ia64_pal_retval iprv;
|
||||
|
||||
PAL_CALL_STK(iprv, PAL_VP_INIT_ENV, config_options, pbase_addr,
|
||||
vbase_addr);
|
||||
*vsa_base = iprv.v0;
|
||||
|
||||
return iprv.status;
|
||||
}
|
||||
|
||||
static inline s64 ia64_pal_vp_restore(u64 *vpd, u64 pal_proc_vector)
|
||||
{
|
||||
struct ia64_pal_retval iprv;
|
||||
|
||||
PAL_CALL_STK(iprv, PAL_VP_RESTORE, (u64)vpd, pal_proc_vector, 0);
|
||||
|
||||
return iprv.status;
|
||||
}
|
||||
|
||||
static inline s64 ia64_pal_vp_save(u64 *vpd, u64 pal_proc_vector)
|
||||
{
|
||||
struct ia64_pal_retval iprv;
|
||||
|
||||
PAL_CALL_STK(iprv, PAL_VP_SAVE, (u64)vpd, pal_proc_vector, 0);
|
||||
|
||||
return iprv.status;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/*VPD field offset*/
|
||||
#define VPD_VAC_START_OFFSET 0
|
||||
#define VPD_VDC_START_OFFSET 8
|
||||
#define VPD_VHPI_START_OFFSET 256
|
||||
#define VPD_VGR_START_OFFSET 1024
|
||||
#define VPD_VBGR_START_OFFSET 1152
|
||||
#define VPD_VNAT_START_OFFSET 1280
|
||||
#define VPD_VBNAT_START_OFFSET 1288
|
||||
#define VPD_VCPUID_START_OFFSET 1296
|
||||
#define VPD_VPSR_START_OFFSET 1424
|
||||
#define VPD_VPR_START_OFFSET 1432
|
||||
#define VPD_VRSE_CFLE_START_OFFSET 1440
|
||||
#define VPD_VCR_START_OFFSET 2048
|
||||
#define VPD_VTPR_START_OFFSET 2576
|
||||
#define VPD_VRR_START_OFFSET 3072
|
||||
#define VPD_VMM_VAIL_START_OFFSET 31744
|
||||
|
||||
/*Virtualization faults*/
|
||||
|
||||
#define EVENT_MOV_TO_AR 1
|
||||
#define EVENT_MOV_TO_AR_IMM 2
|
||||
#define EVENT_MOV_FROM_AR 3
|
||||
#define EVENT_MOV_TO_CR 4
|
||||
#define EVENT_MOV_FROM_CR 5
|
||||
#define EVENT_MOV_TO_PSR 6
|
||||
#define EVENT_MOV_FROM_PSR 7
|
||||
#define EVENT_ITC_D 8
|
||||
#define EVENT_ITC_I 9
|
||||
#define EVENT_MOV_TO_RR 10
|
||||
#define EVENT_MOV_TO_DBR 11
|
||||
#define EVENT_MOV_TO_IBR 12
|
||||
#define EVENT_MOV_TO_PKR 13
|
||||
#define EVENT_MOV_TO_PMC 14
|
||||
#define EVENT_MOV_TO_PMD 15
|
||||
#define EVENT_ITR_D 16
|
||||
#define EVENT_ITR_I 17
|
||||
#define EVENT_MOV_FROM_RR 18
|
||||
#define EVENT_MOV_FROM_DBR 19
|
||||
#define EVENT_MOV_FROM_IBR 20
|
||||
#define EVENT_MOV_FROM_PKR 21
|
||||
#define EVENT_MOV_FROM_PMC 22
|
||||
#define EVENT_MOV_FROM_CPUID 23
|
||||
#define EVENT_SSM 24
|
||||
#define EVENT_RSM 25
|
||||
#define EVENT_PTC_L 26
|
||||
#define EVENT_PTC_G 27
|
||||
#define EVENT_PTC_GA 28
|
||||
#define EVENT_PTR_D 29
|
||||
#define EVENT_PTR_I 30
|
||||
#define EVENT_THASH 31
|
||||
#define EVENT_TTAG 32
|
||||
#define EVENT_TPA 33
|
||||
#define EVENT_TAK 34
|
||||
#define EVENT_PTC_E 35
|
||||
#define EVENT_COVER 36
|
||||
#define EVENT_RFI 37
|
||||
#define EVENT_BSW_0 38
|
||||
#define EVENT_BSW_1 39
|
||||
#define EVENT_VMSW 40
|
||||
|
||||
/**PAL virtual services offsets */
|
||||
#define PAL_VPS_RESUME_NORMAL 0x0000
|
||||
#define PAL_VPS_RESUME_HANDLER 0x0400
|
||||
#define PAL_VPS_SYNC_READ 0x0800
|
||||
#define PAL_VPS_SYNC_WRITE 0x0c00
|
||||
#define PAL_VPS_SET_PENDING_INTERRUPT 0x1000
|
||||
#define PAL_VPS_THASH 0x1400
|
||||
#define PAL_VPS_TTAG 0x1800
|
||||
#define PAL_VPS_RESTORE 0x1c00
|
||||
#define PAL_VPS_SAVE 0x2000
|
||||
|
||||
#endif/* _VT_I_H*/
|
||||
@ -1,640 +0,0 @@
|
||||
/*
|
||||
* vtlb.c: guest virtual tlb handling module.
|
||||
* Copyright (c) 2004, Intel Corporation.
|
||||
* Yaozu Dong (Eddie Dong) <Eddie.dong@intel.com>
|
||||
* Xuefei Xu (Anthony Xu) <anthony.xu@intel.com>
|
||||
*
|
||||
* Copyright (c) 2007, Intel Corporation.
|
||||
* Xuefei Xu (Anthony Xu) <anthony.xu@intel.com>
|
||||
* 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 "vcpu.h"
|
||||
|
||||
#include <linux/rwsem.h>
|
||||
|
||||
#include <asm/tlb.h>
|
||||
|
||||
/*
|
||||
* Check to see if the address rid:va is translated by the TLB
|
||||
*/
|
||||
|
||||
static int __is_tr_translated(struct thash_data *trp, u64 rid, u64 va)
|
||||
{
|
||||
return ((trp->p) && (trp->rid == rid)
|
||||
&& ((va-trp->vadr) < PSIZE(trp->ps)));
|
||||
}
|
||||
|
||||
/*
|
||||
* Only for GUEST TR format.
|
||||
*/
|
||||
static int __is_tr_overlap(struct thash_data *trp, u64 rid, u64 sva, u64 eva)
|
||||
{
|
||||
u64 sa1, ea1;
|
||||
|
||||
if (!trp->p || trp->rid != rid)
|
||||
return 0;
|
||||
|
||||
sa1 = trp->vadr;
|
||||
ea1 = sa1 + PSIZE(trp->ps) - 1;
|
||||
eva -= 1;
|
||||
if ((sva > ea1) || (sa1 > eva))
|
||||
return 0;
|
||||
else
|
||||
return 1;
|
||||
|
||||
}
|
||||
|
||||
void machine_tlb_purge(u64 va, u64 ps)
|
||||
{
|
||||
ia64_ptcl(va, ps << 2);
|
||||
}
|
||||
|
||||
void local_flush_tlb_all(void)
|
||||
{
|
||||
int i, j;
|
||||
unsigned long flags, count0, count1;
|
||||
unsigned long stride0, stride1, addr;
|
||||
|
||||
addr = current_vcpu->arch.ptce_base;
|
||||
count0 = current_vcpu->arch.ptce_count[0];
|
||||
count1 = current_vcpu->arch.ptce_count[1];
|
||||
stride0 = current_vcpu->arch.ptce_stride[0];
|
||||
stride1 = current_vcpu->arch.ptce_stride[1];
|
||||
|
||||
local_irq_save(flags);
|
||||
for (i = 0; i < count0; ++i) {
|
||||
for (j = 0; j < count1; ++j) {
|
||||
ia64_ptce(addr);
|
||||
addr += stride1;
|
||||
}
|
||||
addr += stride0;
|
||||
}
|
||||
local_irq_restore(flags);
|
||||
ia64_srlz_i(); /* srlz.i implies srlz.d */
|
||||
}
|
||||
|
||||
int vhpt_enabled(struct kvm_vcpu *vcpu, u64 vadr, enum vhpt_ref ref)
|
||||
{
|
||||
union ia64_rr vrr;
|
||||
union ia64_pta vpta;
|
||||
struct ia64_psr vpsr;
|
||||
|
||||
vpsr = *(struct ia64_psr *)&VCPU(vcpu, vpsr);
|
||||
vrr.val = vcpu_get_rr(vcpu, vadr);
|
||||
vpta.val = vcpu_get_pta(vcpu);
|
||||
|
||||
if (vrr.ve & vpta.ve) {
|
||||
switch (ref) {
|
||||
case DATA_REF:
|
||||
case NA_REF:
|
||||
return vpsr.dt;
|
||||
case INST_REF:
|
||||
return vpsr.dt && vpsr.it && vpsr.ic;
|
||||
case RSE_REF:
|
||||
return vpsr.dt && vpsr.rt;
|
||||
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct thash_data *vsa_thash(union ia64_pta vpta, u64 va, u64 vrr, u64 *tag)
|
||||
{
|
||||
u64 index, pfn, rid, pfn_bits;
|
||||
|
||||
pfn_bits = vpta.size - 5 - 8;
|
||||
pfn = REGION_OFFSET(va) >> _REGION_PAGE_SIZE(vrr);
|
||||
rid = _REGION_ID(vrr);
|
||||
index = ((rid & 0xff) << pfn_bits)|(pfn & ((1UL << pfn_bits) - 1));
|
||||
*tag = ((rid >> 8) & 0xffff) | ((pfn >> pfn_bits) << 16);
|
||||
|
||||
return (struct thash_data *)((vpta.base << PTA_BASE_SHIFT) +
|
||||
(index << 5));
|
||||
}
|
||||
|
||||
struct thash_data *__vtr_lookup(struct kvm_vcpu *vcpu, u64 va, int type)
|
||||
{
|
||||
|
||||
struct thash_data *trp;
|
||||
int i;
|
||||
u64 rid;
|
||||
|
||||
rid = vcpu_get_rr(vcpu, va);
|
||||
rid = rid & RR_RID_MASK;
|
||||
if (type == D_TLB) {
|
||||
if (vcpu_quick_region_check(vcpu->arch.dtr_regions, va)) {
|
||||
for (trp = (struct thash_data *)&vcpu->arch.dtrs, i = 0;
|
||||
i < NDTRS; i++, trp++) {
|
||||
if (__is_tr_translated(trp, rid, va))
|
||||
return trp;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (vcpu_quick_region_check(vcpu->arch.itr_regions, va)) {
|
||||
for (trp = (struct thash_data *)&vcpu->arch.itrs, i = 0;
|
||||
i < NITRS; i++, trp++) {
|
||||
if (__is_tr_translated(trp, rid, va))
|
||||
return trp;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void vhpt_insert(u64 pte, u64 itir, u64 ifa, u64 gpte)
|
||||
{
|
||||
union ia64_rr rr;
|
||||
struct thash_data *head;
|
||||
unsigned long ps, gpaddr;
|
||||
|
||||
ps = itir_ps(itir);
|
||||
rr.val = ia64_get_rr(ifa);
|
||||
|
||||
gpaddr = ((gpte & _PAGE_PPN_MASK) >> ps << ps) |
|
||||
(ifa & ((1UL << ps) - 1));
|
||||
|
||||
head = (struct thash_data *)ia64_thash(ifa);
|
||||
head->etag = INVALID_TI_TAG;
|
||||
ia64_mf();
|
||||
head->page_flags = pte & ~PAGE_FLAGS_RV_MASK;
|
||||
head->itir = rr.ps << 2;
|
||||
head->etag = ia64_ttag(ifa);
|
||||
head->gpaddr = gpaddr;
|
||||
}
|
||||
|
||||
void mark_pages_dirty(struct kvm_vcpu *v, u64 pte, u64 ps)
|
||||
{
|
||||
u64 i, dirty_pages = 1;
|
||||
u64 base_gfn = (pte&_PAGE_PPN_MASK) >> PAGE_SHIFT;
|
||||
vmm_spinlock_t *lock = __kvm_va(v->arch.dirty_log_lock_pa);
|
||||
void *dirty_bitmap = (void *)KVM_MEM_DIRTY_LOG_BASE;
|
||||
|
||||
dirty_pages <<= ps <= PAGE_SHIFT ? 0 : ps - PAGE_SHIFT;
|
||||
|
||||
vmm_spin_lock(lock);
|
||||
for (i = 0; i < dirty_pages; i++) {
|
||||
/* avoid RMW */
|
||||
if (!test_bit(base_gfn + i, dirty_bitmap))
|
||||
set_bit(base_gfn + i , dirty_bitmap);
|
||||
}
|
||||
vmm_spin_unlock(lock);
|
||||
}
|
||||
|
||||
void thash_vhpt_insert(struct kvm_vcpu *v, u64 pte, u64 itir, u64 va, int type)
|
||||
{
|
||||
u64 phy_pte, psr;
|
||||
union ia64_rr mrr;
|
||||
|
||||
mrr.val = ia64_get_rr(va);
|
||||
phy_pte = translate_phy_pte(&pte, itir, va);
|
||||
|
||||
if (itir_ps(itir) >= mrr.ps) {
|
||||
vhpt_insert(phy_pte, itir, va, pte);
|
||||
} else {
|
||||
phy_pte &= ~PAGE_FLAGS_RV_MASK;
|
||||
psr = ia64_clear_ic();
|
||||
ia64_itc(type, va, phy_pte, itir_ps(itir));
|
||||
paravirt_dv_serialize_data();
|
||||
ia64_set_psr(psr);
|
||||
}
|
||||
|
||||
if (!(pte&VTLB_PTE_IO))
|
||||
mark_pages_dirty(v, pte, itir_ps(itir));
|
||||
}
|
||||
|
||||
/*
|
||||
* vhpt lookup
|
||||
*/
|
||||
struct thash_data *vhpt_lookup(u64 va)
|
||||
{
|
||||
struct thash_data *head;
|
||||
u64 tag;
|
||||
|
||||
head = (struct thash_data *)ia64_thash(va);
|
||||
tag = ia64_ttag(va);
|
||||
if (head->etag == tag)
|
||||
return head;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
u64 guest_vhpt_lookup(u64 iha, u64 *pte)
|
||||
{
|
||||
u64 ret;
|
||||
struct thash_data *data;
|
||||
|
||||
data = __vtr_lookup(current_vcpu, iha, D_TLB);
|
||||
if (data != NULL)
|
||||
thash_vhpt_insert(current_vcpu, data->page_flags,
|
||||
data->itir, iha, D_TLB);
|
||||
|
||||
asm volatile ("rsm psr.ic|psr.i;;"
|
||||
"srlz.d;;"
|
||||
"ld8.s r9=[%1];;"
|
||||
"tnat.nz p6,p7=r9;;"
|
||||
"(p6) mov %0=1;"
|
||||
"(p6) mov r9=r0;"
|
||||
"(p7) extr.u r9=r9,0,53;;"
|
||||
"(p7) mov %0=r0;"
|
||||
"(p7) st8 [%2]=r9;;"
|
||||
"ssm psr.ic;;"
|
||||
"srlz.d;;"
|
||||
"ssm psr.i;;"
|
||||
"srlz.d;;"
|
||||
: "=&r"(ret) : "r"(iha), "r"(pte) : "memory");
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* purge software guest tlb
|
||||
*/
|
||||
|
||||
static void vtlb_purge(struct kvm_vcpu *v, u64 va, u64 ps)
|
||||
{
|
||||
struct thash_data *cur;
|
||||
u64 start, curadr, size, psbits, tag, rr_ps, num;
|
||||
union ia64_rr vrr;
|
||||
struct thash_cb *hcb = &v->arch.vtlb;
|
||||
|
||||
vrr.val = vcpu_get_rr(v, va);
|
||||
psbits = VMX(v, psbits[(va >> 61)]);
|
||||
start = va & ~((1UL << ps) - 1);
|
||||
while (psbits) {
|
||||
curadr = start;
|
||||
rr_ps = __ffs(psbits);
|
||||
psbits &= ~(1UL << rr_ps);
|
||||
num = 1UL << ((ps < rr_ps) ? 0 : (ps - rr_ps));
|
||||
size = PSIZE(rr_ps);
|
||||
vrr.ps = rr_ps;
|
||||
while (num) {
|
||||
cur = vsa_thash(hcb->pta, curadr, vrr.val, &tag);
|
||||
if (cur->etag == tag && cur->ps == rr_ps)
|
||||
cur->etag = INVALID_TI_TAG;
|
||||
curadr += size;
|
||||
num--;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* purge VHPT and machine TLB
|
||||
*/
|
||||
static void vhpt_purge(struct kvm_vcpu *v, u64 va, u64 ps)
|
||||
{
|
||||
struct thash_data *cur;
|
||||
u64 start, size, tag, num;
|
||||
union ia64_rr rr;
|
||||
|
||||
start = va & ~((1UL << ps) - 1);
|
||||
rr.val = ia64_get_rr(va);
|
||||
size = PSIZE(rr.ps);
|
||||
num = 1UL << ((ps < rr.ps) ? 0 : (ps - rr.ps));
|
||||
while (num) {
|
||||
cur = (struct thash_data *)ia64_thash(start);
|
||||
tag = ia64_ttag(start);
|
||||
if (cur->etag == tag)
|
||||
cur->etag = INVALID_TI_TAG;
|
||||
start += size;
|
||||
num--;
|
||||
}
|
||||
machine_tlb_purge(va, ps);
|
||||
}
|
||||
|
||||
/*
|
||||
* Insert an entry into hash TLB or VHPT.
|
||||
* NOTES:
|
||||
* 1: When inserting VHPT to thash, "va" is a must covered
|
||||
* address by the inserted machine VHPT entry.
|
||||
* 2: The format of entry is always in TLB.
|
||||
* 3: The caller need to make sure the new entry will not overlap
|
||||
* with any existed entry.
|
||||
*/
|
||||
void vtlb_insert(struct kvm_vcpu *v, u64 pte, u64 itir, u64 va)
|
||||
{
|
||||
struct thash_data *head;
|
||||
union ia64_rr vrr;
|
||||
u64 tag;
|
||||
struct thash_cb *hcb = &v->arch.vtlb;
|
||||
|
||||
vrr.val = vcpu_get_rr(v, va);
|
||||
vrr.ps = itir_ps(itir);
|
||||
VMX(v, psbits[va >> 61]) |= (1UL << vrr.ps);
|
||||
head = vsa_thash(hcb->pta, va, vrr.val, &tag);
|
||||
head->page_flags = pte;
|
||||
head->itir = itir;
|
||||
head->etag = tag;
|
||||
}
|
||||
|
||||
int vtr_find_overlap(struct kvm_vcpu *vcpu, u64 va, u64 ps, int type)
|
||||
{
|
||||
struct thash_data *trp;
|
||||
int i;
|
||||
u64 end, rid;
|
||||
|
||||
rid = vcpu_get_rr(vcpu, va);
|
||||
rid = rid & RR_RID_MASK;
|
||||
end = va + PSIZE(ps);
|
||||
if (type == D_TLB) {
|
||||
if (vcpu_quick_region_check(vcpu->arch.dtr_regions, va)) {
|
||||
for (trp = (struct thash_data *)&vcpu->arch.dtrs, i = 0;
|
||||
i < NDTRS; i++, trp++) {
|
||||
if (__is_tr_overlap(trp, rid, va, end))
|
||||
return i;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
if (vcpu_quick_region_check(vcpu->arch.itr_regions, va)) {
|
||||
for (trp = (struct thash_data *)&vcpu->arch.itrs, i = 0;
|
||||
i < NITRS; i++, trp++) {
|
||||
if (__is_tr_overlap(trp, rid, va, end))
|
||||
return i;
|
||||
}
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Purge entries in VTLB and VHPT
|
||||
*/
|
||||
void thash_purge_entries(struct kvm_vcpu *v, u64 va, u64 ps)
|
||||
{
|
||||
if (vcpu_quick_region_check(v->arch.tc_regions, va))
|
||||
vtlb_purge(v, va, ps);
|
||||
vhpt_purge(v, va, ps);
|
||||
}
|
||||
|
||||
void thash_purge_entries_remote(struct kvm_vcpu *v, u64 va, u64 ps)
|
||||
{
|
||||
u64 old_va = va;
|
||||
va = REGION_OFFSET(va);
|
||||
if (vcpu_quick_region_check(v->arch.tc_regions, old_va))
|
||||
vtlb_purge(v, va, ps);
|
||||
vhpt_purge(v, va, ps);
|
||||
}
|
||||
|
||||
u64 translate_phy_pte(u64 *pte, u64 itir, u64 va)
|
||||
{
|
||||
u64 ps, ps_mask, paddr, maddr, io_mask;
|
||||
union pte_flags phy_pte;
|
||||
|
||||
ps = itir_ps(itir);
|
||||
ps_mask = ~((1UL << ps) - 1);
|
||||
phy_pte.val = *pte;
|
||||
paddr = *pte;
|
||||
paddr = ((paddr & _PAGE_PPN_MASK) & ps_mask) | (va & ~ps_mask);
|
||||
maddr = kvm_get_mpt_entry(paddr >> PAGE_SHIFT);
|
||||
io_mask = maddr & GPFN_IO_MASK;
|
||||
if (io_mask && (io_mask != GPFN_PHYS_MMIO)) {
|
||||
*pte |= VTLB_PTE_IO;
|
||||
return -1;
|
||||
}
|
||||
maddr = ((maddr & _PAGE_PPN_MASK) & PAGE_MASK) |
|
||||
(paddr & ~PAGE_MASK);
|
||||
phy_pte.ppn = maddr >> ARCH_PAGE_SHIFT;
|
||||
return phy_pte.val;
|
||||
}
|
||||
|
||||
/*
|
||||
* Purge overlap TCs and then insert the new entry to emulate itc ops.
|
||||
* Notes: Only TC entry can purge and insert.
|
||||
*/
|
||||
void thash_purge_and_insert(struct kvm_vcpu *v, u64 pte, u64 itir,
|
||||
u64 ifa, int type)
|
||||
{
|
||||
u64 ps;
|
||||
u64 phy_pte, io_mask, index;
|
||||
union ia64_rr vrr, mrr;
|
||||
|
||||
ps = itir_ps(itir);
|
||||
vrr.val = vcpu_get_rr(v, ifa);
|
||||
mrr.val = ia64_get_rr(ifa);
|
||||
|
||||
index = (pte & _PAGE_PPN_MASK) >> PAGE_SHIFT;
|
||||
io_mask = kvm_get_mpt_entry(index) & GPFN_IO_MASK;
|
||||
phy_pte = translate_phy_pte(&pte, itir, ifa);
|
||||
|
||||
/* Ensure WB attribute if pte is related to a normal mem page,
|
||||
* which is required by vga acceleration since qemu maps shared
|
||||
* vram buffer with WB.
|
||||
*/
|
||||
if (!(pte & VTLB_PTE_IO) && ((pte & _PAGE_MA_MASK) != _PAGE_MA_NAT) &&
|
||||
io_mask != GPFN_PHYS_MMIO) {
|
||||
pte &= ~_PAGE_MA_MASK;
|
||||
phy_pte &= ~_PAGE_MA_MASK;
|
||||
}
|
||||
|
||||
vtlb_purge(v, ifa, ps);
|
||||
vhpt_purge(v, ifa, ps);
|
||||
|
||||
if ((ps != mrr.ps) || (pte & VTLB_PTE_IO)) {
|
||||
vtlb_insert(v, pte, itir, ifa);
|
||||
vcpu_quick_region_set(VMX(v, tc_regions), ifa);
|
||||
}
|
||||
if (pte & VTLB_PTE_IO)
|
||||
return;
|
||||
|
||||
if (ps >= mrr.ps)
|
||||
vhpt_insert(phy_pte, itir, ifa, pte);
|
||||
else {
|
||||
u64 psr;
|
||||
phy_pte &= ~PAGE_FLAGS_RV_MASK;
|
||||
psr = ia64_clear_ic();
|
||||
ia64_itc(type, ifa, phy_pte, ps);
|
||||
paravirt_dv_serialize_data();
|
||||
ia64_set_psr(psr);
|
||||
}
|
||||
if (!(pte&VTLB_PTE_IO))
|
||||
mark_pages_dirty(v, pte, ps);
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Purge all TCs or VHPT entries including those in Hash table.
|
||||
*
|
||||
*/
|
||||
|
||||
void thash_purge_all(struct kvm_vcpu *v)
|
||||
{
|
||||
int i;
|
||||
struct thash_data *head;
|
||||
struct thash_cb *vtlb, *vhpt;
|
||||
vtlb = &v->arch.vtlb;
|
||||
vhpt = &v->arch.vhpt;
|
||||
|
||||
for (i = 0; i < 8; i++)
|
||||
VMX(v, psbits[i]) = 0;
|
||||
|
||||
head = vtlb->hash;
|
||||
for (i = 0; i < vtlb->num; i++) {
|
||||
head->page_flags = 0;
|
||||
head->etag = INVALID_TI_TAG;
|
||||
head->itir = 0;
|
||||
head->next = 0;
|
||||
head++;
|
||||
};
|
||||
|
||||
head = vhpt->hash;
|
||||
for (i = 0; i < vhpt->num; i++) {
|
||||
head->page_flags = 0;
|
||||
head->etag = INVALID_TI_TAG;
|
||||
head->itir = 0;
|
||||
head->next = 0;
|
||||
head++;
|
||||
};
|
||||
|
||||
local_flush_tlb_all();
|
||||
}
|
||||
|
||||
/*
|
||||
* Lookup the hash table and its collision chain to find an entry
|
||||
* covering this address rid:va or the entry.
|
||||
*
|
||||
* INPUT:
|
||||
* in: TLB format for both VHPT & TLB.
|
||||
*/
|
||||
struct thash_data *vtlb_lookup(struct kvm_vcpu *v, u64 va, int is_data)
|
||||
{
|
||||
struct thash_data *cch;
|
||||
u64 psbits, ps, tag;
|
||||
union ia64_rr vrr;
|
||||
|
||||
struct thash_cb *hcb = &v->arch.vtlb;
|
||||
|
||||
cch = __vtr_lookup(v, va, is_data);
|
||||
if (cch)
|
||||
return cch;
|
||||
|
||||
if (vcpu_quick_region_check(v->arch.tc_regions, va) == 0)
|
||||
return NULL;
|
||||
|
||||
psbits = VMX(v, psbits[(va >> 61)]);
|
||||
vrr.val = vcpu_get_rr(v, va);
|
||||
while (psbits) {
|
||||
ps = __ffs(psbits);
|
||||
psbits &= ~(1UL << ps);
|
||||
vrr.ps = ps;
|
||||
cch = vsa_thash(hcb->pta, va, vrr.val, &tag);
|
||||
if (cch->etag == tag && cch->ps == ps)
|
||||
return cch;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/*
|
||||
* Initialize internal control data before service.
|
||||
*/
|
||||
void thash_init(struct thash_cb *hcb, u64 sz)
|
||||
{
|
||||
int i;
|
||||
struct thash_data *head;
|
||||
|
||||
hcb->pta.val = (unsigned long)hcb->hash;
|
||||
hcb->pta.vf = 1;
|
||||
hcb->pta.ve = 1;
|
||||
hcb->pta.size = sz;
|
||||
head = hcb->hash;
|
||||
for (i = 0; i < hcb->num; i++) {
|
||||
head->page_flags = 0;
|
||||
head->itir = 0;
|
||||
head->etag = INVALID_TI_TAG;
|
||||
head->next = 0;
|
||||
head++;
|
||||
}
|
||||
}
|
||||
|
||||
u64 kvm_get_mpt_entry(u64 gpfn)
|
||||
{
|
||||
u64 *base = (u64 *) KVM_P2M_BASE;
|
||||
|
||||
if (gpfn >= (KVM_P2M_SIZE >> 3))
|
||||
panic_vm(current_vcpu, "Invalid gpfn =%lx\n", gpfn);
|
||||
|
||||
return *(base + gpfn);
|
||||
}
|
||||
|
||||
u64 kvm_lookup_mpa(u64 gpfn)
|
||||
{
|
||||
u64 maddr;
|
||||
maddr = kvm_get_mpt_entry(gpfn);
|
||||
return maddr&_PAGE_PPN_MASK;
|
||||
}
|
||||
|
||||
u64 kvm_gpa_to_mpa(u64 gpa)
|
||||
{
|
||||
u64 pte = kvm_lookup_mpa(gpa >> PAGE_SHIFT);
|
||||
return (pte >> PAGE_SHIFT << PAGE_SHIFT) | (gpa & ~PAGE_MASK);
|
||||
}
|
||||
|
||||
/*
|
||||
* Fetch guest bundle code.
|
||||
* INPUT:
|
||||
* gip: guest ip
|
||||
* pbundle: used to return fetched bundle.
|
||||
*/
|
||||
int fetch_code(struct kvm_vcpu *vcpu, u64 gip, IA64_BUNDLE *pbundle)
|
||||
{
|
||||
u64 gpip = 0; /* guest physical IP*/
|
||||
u64 *vpa;
|
||||
struct thash_data *tlb;
|
||||
u64 maddr;
|
||||
|
||||
if (!(VCPU(vcpu, vpsr) & IA64_PSR_IT)) {
|
||||
/* I-side physical mode */
|
||||
gpip = gip;
|
||||
} else {
|
||||
tlb = vtlb_lookup(vcpu, gip, I_TLB);
|
||||
if (tlb)
|
||||
gpip = (tlb->ppn >> (tlb->ps - 12) << tlb->ps) |
|
||||
(gip & (PSIZE(tlb->ps) - 1));
|
||||
}
|
||||
if (gpip) {
|
||||
maddr = kvm_gpa_to_mpa(gpip);
|
||||
} else {
|
||||
tlb = vhpt_lookup(gip);
|
||||
if (tlb == NULL) {
|
||||
ia64_ptcl(gip, ARCH_PAGE_SHIFT << 2);
|
||||
return IA64_FAULT;
|
||||
}
|
||||
maddr = (tlb->ppn >> (tlb->ps - 12) << tlb->ps)
|
||||
| (gip & (PSIZE(tlb->ps) - 1));
|
||||
}
|
||||
vpa = (u64 *)__kvm_va(maddr);
|
||||
|
||||
pbundle->i64[0] = *vpa++;
|
||||
pbundle->i64[1] = *vpa;
|
||||
|
||||
return IA64_NO_FAULT;
|
||||
}
|
||||
|
||||
void kvm_init_vhpt(struct kvm_vcpu *v)
|
||||
{
|
||||
v->arch.vhpt.num = VHPT_NUM_ENTRIES;
|
||||
thash_init(&v->arch.vhpt, VHPT_SHIFT);
|
||||
ia64_set_pta(v->arch.vhpt.pta.val);
|
||||
/*Enable VHPT here?*/
|
||||
}
|
||||
|
||||
void kvm_init_vtlb(struct kvm_vcpu *v)
|
||||
{
|
||||
v->arch.vtlb.num = VTLB_NUM_ENTRIES;
|
||||
thash_init(&v->arch.vtlb, VTLB_SHIFT);
|
||||
}
|
||||
@ -586,11 +586,6 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
|
||||
case IOAPIC_REG_WINDOW:
|
||||
ioapic_write_indirect(ioapic, data);
|
||||
break;
|
||||
#ifdef CONFIG_IA64
|
||||
case IOAPIC_REG_EOI:
|
||||
__kvm_ioapic_update_eoi(NULL, ioapic, data, IOAPIC_LEVEL_TRIG);
|
||||
break;
|
||||
#endif
|
||||
|
||||
default:
|
||||
break;
|
||||
|
||||
@ -19,7 +19,6 @@ struct kvm_vcpu;
|
||||
/* Direct registers. */
|
||||
#define IOAPIC_REG_SELECT 0x00
|
||||
#define IOAPIC_REG_WINDOW 0x10
|
||||
#define IOAPIC_REG_EOI 0x40 /* IA64 IOSAPIC only */
|
||||
|
||||
/* Indirect registers. */
|
||||
#define IOAPIC_REG_APIC_ID 0x00 /* x86 IOAPIC only */
|
||||
|
||||
@ -26,9 +26,6 @@
|
||||
#include <trace/events/kvm.h>
|
||||
|
||||
#include <asm/msidef.h>
|
||||
#ifdef CONFIG_IA64
|
||||
#include <asm/iosapic.h>
|
||||
#endif
|
||||
|
||||
#include "irq.h"
|
||||
|
||||
@ -57,12 +54,7 @@ static int kvm_set_ioapic_irq(struct kvm_kernel_irq_routing_entry *e,
|
||||
|
||||
inline static bool kvm_is_dm_lowest_prio(struct kvm_lapic_irq *irq)
|
||||
{
|
||||
#ifdef CONFIG_IA64
|
||||
return irq->delivery_mode ==
|
||||
(IOSAPIC_LOWEST_PRIORITY << IOSAPIC_DELIVERY_SHIFT);
|
||||
#else
|
||||
return irq->delivery_mode == APIC_DM_LOWEST;
|
||||
#endif
|
||||
}
|
||||
|
||||
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
|
||||
@ -346,20 +338,6 @@ static const struct kvm_irq_routing_entry default_routing[] = {
|
||||
ROUTING_ENTRY1(18), ROUTING_ENTRY1(19),
|
||||
ROUTING_ENTRY1(20), ROUTING_ENTRY1(21),
|
||||
ROUTING_ENTRY1(22), ROUTING_ENTRY1(23),
|
||||
#ifdef CONFIG_IA64
|
||||
ROUTING_ENTRY1(24), ROUTING_ENTRY1(25),
|
||||
ROUTING_ENTRY1(26), ROUTING_ENTRY1(27),
|
||||
ROUTING_ENTRY1(28), ROUTING_ENTRY1(29),
|
||||
ROUTING_ENTRY1(30), ROUTING_ENTRY1(31),
|
||||
ROUTING_ENTRY1(32), ROUTING_ENTRY1(33),
|
||||
ROUTING_ENTRY1(34), ROUTING_ENTRY1(35),
|
||||
ROUTING_ENTRY1(36), ROUTING_ENTRY1(37),
|
||||
ROUTING_ENTRY1(38), ROUTING_ENTRY1(39),
|
||||
ROUTING_ENTRY1(40), ROUTING_ENTRY1(41),
|
||||
ROUTING_ENTRY1(42), ROUTING_ENTRY1(43),
|
||||
ROUTING_ENTRY1(44), ROUTING_ENTRY1(45),
|
||||
ROUTING_ENTRY1(46), ROUTING_ENTRY1(47),
|
||||
#endif
|
||||
};
|
||||
|
||||
int kvm_setup_default_irq_routing(struct kvm *kvm)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user