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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [HVM][VMX] Rename io.c -> intr.c.
# HG changeset patch
# User kfraser@xxxxxxxxxxxxxxxxxxxxx
# Node ID a3aab403ec212b923b6b3cd31a6eec3066681085
# Parent 2801a14d169acbc09006842614f776a8636819a0
[HVM][VMX] Rename io.c -> intr.c.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
---
xen/arch/x86/hvm/vmx/io.c | 196 ------------------------------------------
xen/arch/x86/hvm/vmx/Makefile | 2
xen/arch/x86/hvm/vmx/intr.c | 196 ++++++++++++++++++++++++++++++++++++++++++
3 files changed, 197 insertions(+), 197 deletions(-)
diff -r 2801a14d169a -r a3aab403ec21 xen/arch/x86/hvm/vmx/Makefile
--- a/xen/arch/x86/hvm/vmx/Makefile Fri Dec 01 09:48:18 2006 +0000
+++ b/xen/arch/x86/hvm/vmx/Makefile Fri Dec 01 09:51:13 2006 +0000
@@ -1,6 +1,6 @@ subdir-$(x86_32) += x86_32
subdir-$(x86_32) += x86_32
subdir-$(x86_64) += x86_64
-obj-y += io.o
+obj-y += intr.o
obj-y += vmcs.o
obj-y += vmx.o
diff -r 2801a14d169a -r a3aab403ec21 xen/arch/x86/hvm/vmx/intr.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/xen/arch/x86/hvm/vmx/intr.c Fri Dec 01 09:51:13 2006 +0000
@@ -0,0 +1,196 @@
+/*
+ * io.c: handling I/O, interrupts related VMX entry/exit
+ * Copyright (c) 2004, 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.
+ *
+ */
+
+#include <xen/config.h>
+#include <xen/init.h>
+#include <xen/mm.h>
+#include <xen/lib.h>
+#include <xen/errno.h>
+#include <xen/trace.h>
+#include <xen/event.h>
+
+#include <asm/current.h>
+#include <asm/cpufeature.h>
+#include <asm/processor.h>
+#include <asm/msr.h>
+#include <asm/hvm/hvm.h>
+#include <asm/hvm/io.h>
+#include <asm/hvm/support.h>
+#include <asm/hvm/vmx/vmx.h>
+#include <asm/hvm/vmx/vmcs.h>
+#include <asm/hvm/vpic.h>
+#include <asm/hvm/vlapic.h>
+#include <public/hvm/ioreq.h>
+
+
+static inline void
+enable_irq_window(struct vcpu *v)
+{
+ u32 *cpu_exec_control = &v->arch.hvm_vcpu.u.vmx.exec_control;
+
+ if (!(*cpu_exec_control & CPU_BASED_VIRTUAL_INTR_PENDING)) {
+ *cpu_exec_control |= CPU_BASED_VIRTUAL_INTR_PENDING;
+ __vmwrite(CPU_BASED_VM_EXEC_CONTROL, *cpu_exec_control);
+ }
+}
+
+static inline void
+disable_irq_window(struct vcpu *v)
+{
+ u32 *cpu_exec_control = &v->arch.hvm_vcpu.u.vmx.exec_control;
+
+ if ( *cpu_exec_control & CPU_BASED_VIRTUAL_INTR_PENDING ) {
+ *cpu_exec_control &= ~CPU_BASED_VIRTUAL_INTR_PENDING;
+ __vmwrite(CPU_BASED_VM_EXEC_CONTROL, *cpu_exec_control);
+ }
+}
+
+static inline int is_interruptibility_state(void)
+{
+ return __vmread(GUEST_INTERRUPTIBILITY_INFO);
+}
+
+#ifdef __x86_64__
+static void update_tpr_threshold(struct vlapic *vlapic)
+{
+ int max_irr, tpr;
+
+ if ( !vlapic_enabled(vlapic) ||
+ ((max_irr = vlapic_find_highest_irr(vlapic)) == -1) )
+ {
+ __vmwrite(TPR_THRESHOLD, 0);
+ return;
+ }
+
+ tpr = vlapic_get_reg(vlapic, APIC_TASKPRI) & 0xF0;
+ __vmwrite(TPR_THRESHOLD, (max_irr > tpr) ? (tpr >> 4) : (max_irr >> 4));
+}
+#else
+#define update_tpr_threshold(v) ((void)0)
+#endif
+
+asmlinkage void vmx_intr_assist(void)
+{
+ int intr_type = 0;
+ int highest_vector;
+ unsigned long eflags;
+ struct vcpu *v = current;
+ struct hvm_domain *plat=&v->domain->arch.hvm_domain;
+ struct periodic_time *pt = &plat->pl_time.periodic_tm;
+ unsigned int idtv_info_field;
+ unsigned long inst_len;
+ int has_ext_irq;
+
+ if ( (v->vcpu_id == 0) && pt->enabled && pt->pending_intr_nr )
+ {
+ hvm_isa_irq_deassert(current->domain, pt->irq);
+ hvm_isa_irq_assert(current->domain, pt->irq);
+ }
+
+ hvm_set_callback_irq_level();
+
+ update_tpr_threshold(vcpu_vlapic(v));
+
+ has_ext_irq = cpu_has_pending_irq(v);
+
+ if ( unlikely(v->arch.hvm_vmx.vector_injected) )
+ {
+ v->arch.hvm_vmx.vector_injected=0;
+ if (unlikely(has_ext_irq)) enable_irq_window(v);
+ return;
+ }
+
+ /* This could be moved earlier in the VMX resume sequence. */
+ idtv_info_field = __vmread(IDT_VECTORING_INFO_FIELD);
+ if ( unlikely(idtv_info_field & INTR_INFO_VALID_MASK) )
+ {
+ __vmwrite(VM_ENTRY_INTR_INFO_FIELD, idtv_info_field);
+
+ /*
+ * Safe: the length will only be interpreted for software exceptions
+ * and interrupts. If we get here then delivery of some event caused a
+ * fault, and this always results in defined VM_EXIT_INSTRUCTION_LEN.
+ */
+ inst_len = __vmread(VM_EXIT_INSTRUCTION_LEN); /* Safe */
+ __vmwrite(VM_ENTRY_INSTRUCTION_LEN, inst_len);
+
+ if (unlikely(idtv_info_field & 0x800)) /* valid error code */
+ __vmwrite(VM_ENTRY_EXCEPTION_ERROR_CODE,
+ __vmread(IDT_VECTORING_ERROR_CODE));
+ if (unlikely(has_ext_irq))
+ enable_irq_window(v);
+
+ HVM_DBG_LOG(DBG_LEVEL_1, "idtv_info_field=%x", idtv_info_field);
+
+ return;
+ }
+
+ if ( likely(!has_ext_irq) )
+ return;
+
+ if ( unlikely(is_interruptibility_state()) )
+ {
+ /* pre-cleared for emulated instruction */
+ enable_irq_window(v);
+ HVM_DBG_LOG(DBG_LEVEL_1, "interruptibility");
+ return;
+ }
+
+ eflags = __vmread(GUEST_RFLAGS);
+ if ( irq_masked(eflags) )
+ {
+ enable_irq_window(v);
+ return;
+ }
+
+ highest_vector = cpu_get_interrupt(v, &intr_type);
+ if ( highest_vector < 0 )
+ return;
+
+ switch ( intr_type )
+ {
+ case APIC_DM_EXTINT:
+ case APIC_DM_FIXED:
+ case APIC_DM_LOWEST:
+ vmx_inject_extint(v, highest_vector, VMX_DELIVER_NO_ERROR_CODE);
+ TRACE_3D(TRC_VMX_INTR, v->domain->domain_id, highest_vector, 0);
+ break;
+
+ case APIC_DM_SMI:
+ case APIC_DM_NMI:
+ case APIC_DM_INIT:
+ case APIC_DM_STARTUP:
+ default:
+ printk("Unsupported interrupt type\n");
+ BUG();
+ break;
+ }
+
+ hvm_interrupt_post(v, highest_vector, intr_type);
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-set-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
diff -r 2801a14d169a -r a3aab403ec21 xen/arch/x86/hvm/vmx/io.c
--- a/xen/arch/x86/hvm/vmx/io.c Fri Dec 01 09:48:18 2006 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,196 +0,0 @@
-/*
- * io.c: handling I/O, interrupts related VMX entry/exit
- * Copyright (c) 2004, 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.
- *
- */
-
-#include <xen/config.h>
-#include <xen/init.h>
-#include <xen/mm.h>
-#include <xen/lib.h>
-#include <xen/errno.h>
-#include <xen/trace.h>
-#include <xen/event.h>
-
-#include <asm/current.h>
-#include <asm/cpufeature.h>
-#include <asm/processor.h>
-#include <asm/msr.h>
-#include <asm/hvm/hvm.h>
-#include <asm/hvm/io.h>
-#include <asm/hvm/support.h>
-#include <asm/hvm/vmx/vmx.h>
-#include <asm/hvm/vmx/vmcs.h>
-#include <asm/hvm/vpic.h>
-#include <asm/hvm/vlapic.h>
-#include <public/hvm/ioreq.h>
-
-
-static inline void
-enable_irq_window(struct vcpu *v)
-{
- u32 *cpu_exec_control = &v->arch.hvm_vcpu.u.vmx.exec_control;
-
- if (!(*cpu_exec_control & CPU_BASED_VIRTUAL_INTR_PENDING)) {
- *cpu_exec_control |= CPU_BASED_VIRTUAL_INTR_PENDING;
- __vmwrite(CPU_BASED_VM_EXEC_CONTROL, *cpu_exec_control);
- }
-}
-
-static inline void
-disable_irq_window(struct vcpu *v)
-{
- u32 *cpu_exec_control = &v->arch.hvm_vcpu.u.vmx.exec_control;
-
- if ( *cpu_exec_control & CPU_BASED_VIRTUAL_INTR_PENDING ) {
- *cpu_exec_control &= ~CPU_BASED_VIRTUAL_INTR_PENDING;
- __vmwrite(CPU_BASED_VM_EXEC_CONTROL, *cpu_exec_control);
- }
-}
-
-static inline int is_interruptibility_state(void)
-{
- return __vmread(GUEST_INTERRUPTIBILITY_INFO);
-}
-
-#ifdef __x86_64__
-static void update_tpr_threshold(struct vlapic *vlapic)
-{
- int max_irr, tpr;
-
- if ( !vlapic_enabled(vlapic) ||
- ((max_irr = vlapic_find_highest_irr(vlapic)) == -1) )
- {
- __vmwrite(TPR_THRESHOLD, 0);
- return;
- }
-
- tpr = vlapic_get_reg(vlapic, APIC_TASKPRI) & 0xF0;
- __vmwrite(TPR_THRESHOLD, (max_irr > tpr) ? (tpr >> 4) : (max_irr >> 4));
-}
-#else
-#define update_tpr_threshold(v) ((void)0)
-#endif
-
-asmlinkage void vmx_intr_assist(void)
-{
- int intr_type = 0;
- int highest_vector;
- unsigned long eflags;
- struct vcpu *v = current;
- struct hvm_domain *plat=&v->domain->arch.hvm_domain;
- struct periodic_time *pt = &plat->pl_time.periodic_tm;
- unsigned int idtv_info_field;
- unsigned long inst_len;
- int has_ext_irq;
-
- if ( (v->vcpu_id == 0) && pt->enabled && pt->pending_intr_nr )
- {
- hvm_isa_irq_deassert(current->domain, pt->irq);
- hvm_isa_irq_assert(current->domain, pt->irq);
- }
-
- hvm_set_callback_irq_level();
-
- update_tpr_threshold(vcpu_vlapic(v));
-
- has_ext_irq = cpu_has_pending_irq(v);
-
- if ( unlikely(v->arch.hvm_vmx.vector_injected) )
- {
- v->arch.hvm_vmx.vector_injected=0;
- if (unlikely(has_ext_irq)) enable_irq_window(v);
- return;
- }
-
- /* This could be moved earlier in the VMX resume sequence. */
- idtv_info_field = __vmread(IDT_VECTORING_INFO_FIELD);
- if ( unlikely(idtv_info_field & INTR_INFO_VALID_MASK) )
- {
- __vmwrite(VM_ENTRY_INTR_INFO_FIELD, idtv_info_field);
-
- /*
- * Safe: the length will only be interpreted for software exceptions
- * and interrupts. If we get here then delivery of some event caused a
- * fault, and this always results in defined VM_EXIT_INSTRUCTION_LEN.
- */
- inst_len = __vmread(VM_EXIT_INSTRUCTION_LEN); /* Safe */
- __vmwrite(VM_ENTRY_INSTRUCTION_LEN, inst_len);
-
- if (unlikely(idtv_info_field & 0x800)) /* valid error code */
- __vmwrite(VM_ENTRY_EXCEPTION_ERROR_CODE,
- __vmread(IDT_VECTORING_ERROR_CODE));
- if (unlikely(has_ext_irq))
- enable_irq_window(v);
-
- HVM_DBG_LOG(DBG_LEVEL_1, "idtv_info_field=%x", idtv_info_field);
-
- return;
- }
-
- if ( likely(!has_ext_irq) )
- return;
-
- if ( unlikely(is_interruptibility_state()) )
- {
- /* pre-cleared for emulated instruction */
- enable_irq_window(v);
- HVM_DBG_LOG(DBG_LEVEL_1, "interruptibility");
- return;
- }
-
- eflags = __vmread(GUEST_RFLAGS);
- if ( irq_masked(eflags) )
- {
- enable_irq_window(v);
- return;
- }
-
- highest_vector = cpu_get_interrupt(v, &intr_type);
- if ( highest_vector < 0 )
- return;
-
- switch ( intr_type )
- {
- case APIC_DM_EXTINT:
- case APIC_DM_FIXED:
- case APIC_DM_LOWEST:
- vmx_inject_extint(v, highest_vector, VMX_DELIVER_NO_ERROR_CODE);
- TRACE_3D(TRC_VMX_INTR, v->domain->domain_id, highest_vector, 0);
- break;
-
- case APIC_DM_SMI:
- case APIC_DM_NMI:
- case APIC_DM_INIT:
- case APIC_DM_STARTUP:
- default:
- printk("Unsupported interrupt type\n");
- BUG();
- break;
- }
-
- hvm_interrupt_post(v, highest_vector, intr_type);
-}
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
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