3ddb79bcsjinG9k1KcvbVBuas1R2dA xen/arch/x86/apic.c
3ddb79bcSC_LvnmFlX-T5iTgaR0SKg xen/arch/x86/boot/boot.S
3ddb79bcUrk2EIaM5VsT6wUudH1kkg xen/arch/x86/delay.c
+40e34414WiQO4h2m3tcpaCPn7SyYyg xen/arch/x86/dom0_ops.c
3e32af9aRnYGl4GMOaDKp7JdfhOGhg xen/arch/x86/domain_page.c
3ddb79bcecupHj56ZbTa3B0FxDowMg xen/arch/x86/entry.S
3ddb79bcY5zW7KhvI9gvfuPi3ZumEg xen/arch/x86/extable.c
--- /dev/null
+/******************************************************************************
+ * Arch-specific dom0_ops.c
+ *
+ * Process command requests from domain-0 guest OS.
+ *
+ * Copyright (c) 2002, K A Fraser
+ */
+
+#include <xen/config.h>
+#include <xen/types.h>
+#include <xen/lib.h>
+#include <xen/mm.h>
+#include <hypervisor-ifs/dom0_ops.h>
+#include <xen/sched.h>
+#include <xen/event.h>
+#include <asm/domain_page.h>
+#include <asm/msr.h>
+#include <asm/pdb.h>
+#include <xen/trace.h>
+#include <xen/console.h>
+#include <xen/shadow.h>
+#include <hypervisor-ifs/sched_ctl.h>
+
+#define TRC_DOM0OP_ENTER_BASE 0x00020000
+#define TRC_DOM0OP_LEAVE_BASE 0x00030000
+
+extern unsigned int alloc_new_dom_mem(struct domain *, unsigned int);
+
+static int msr_cpu_mask;
+static unsigned long msr_addr;
+static unsigned long msr_lo;
+static unsigned long msr_hi;
+
+static void write_msr_for(void *unused)
+{
+ if (((1 << current->processor) & msr_cpu_mask))
+ wrmsr(msr_addr, msr_lo, msr_hi);
+}
+
+static void read_msr_for(void *unused)
+{
+ if (((1 << current->processor) & msr_cpu_mask))
+ rdmsr(msr_addr, msr_lo, msr_hi);
+}
+
+long arch_do_dom0_op(dom0_op_t *op, dom0_op_t *u_dom0_op)
+{
+ long ret = 0;
+
+ if ( !IS_PRIV(current) )
+ return -EPERM;
+
+ switch ( op->cmd )
+ {
+
+ case DOM0_MSR:
+ {
+ if ( op->u.msr.write )
+ {
+ msr_cpu_mask = op->u.msr.cpu_mask;
+ msr_addr = op->u.msr.msr;
+ msr_lo = op->u.msr.in1;
+ msr_hi = op->u.msr.in2;
+ smp_call_function(write_msr_for, NULL, 1, 1);
+ write_msr_for(NULL);
+ }
+ else
+ {
+ msr_cpu_mask = op->u.msr.cpu_mask;
+ msr_addr = op->u.msr.msr;
+ smp_call_function(read_msr_for, NULL, 1, 1);
+ read_msr_for(NULL);
+
+ op->u.msr.out1 = msr_lo;
+ op->u.msr.out2 = msr_hi;
+ copy_to_user(u_dom0_op, op, sizeof(*op));
+ }
+ ret = 0;
+ }
+ break;
+
+ case DOM0_GETDOMAININFO:
+ {
+ full_execution_context_t *c;
+ struct domain *d;
+ unsigned long flags;
+ int i;
+
+ read_lock_irqsave(&tasklist_lock, flags);
+
+ for_each_domain ( d )
+ {
+ if ( d->domain >= op->u.getdomaininfo.domain )
+ break;
+ }
+
+ if ( (d == NULL) || !get_domain(d) )
+ {
+ read_unlock_irqrestore(&tasklist_lock, flags);
+ ret = -ESRCH;
+ break;
+ }
+
+ read_unlock_irqrestore(&tasklist_lock, flags);
+
+ op->u.getdomaininfo.domain = d->domain;
+ strcpy(op->u.getdomaininfo.name, d->name);
+
+ op->u.getdomaininfo.flags =
+ (test_bit(DF_DYING, &d->flags) ? DOMFLAGS_DYING : 0) |
+ (test_bit(DF_CRASHED, &d->flags) ? DOMFLAGS_CRASHED : 0) |
+ (test_bit(DF_SHUTDOWN, &d->flags) ? DOMFLAGS_SHUTDOWN : 0) |
+ (test_bit(DF_CTRLPAUSE, &d->flags) ? DOMFLAGS_PAUSED : 0) |
+ (test_bit(DF_BLOCKED, &d->flags) ? DOMFLAGS_BLOCKED : 0) |
+ (test_bit(DF_RUNNING, &d->flags) ? DOMFLAGS_RUNNING : 0);
+
+ op->u.getdomaininfo.flags |= d->processor << DOMFLAGS_CPUSHIFT;
+ op->u.getdomaininfo.flags |=
+ d->shutdown_code << DOMFLAGS_SHUTDOWNSHIFT;
+
+ op->u.getdomaininfo.tot_pages = d->tot_pages;
+ op->u.getdomaininfo.max_pages = d->max_pages;
+ op->u.getdomaininfo.cpu_time = d->cpu_time;
+ op->u.getdomaininfo.shared_info_frame =
+ __pa(d->shared_info) >> PAGE_SHIFT;
+
+ if ( op->u.getdomaininfo.ctxt != NULL )
+ {
+ if ( (c = kmalloc(sizeof(*c))) == NULL )
+ {
+ ret = -ENOMEM;
+ put_domain(d);
+ break;
+ }
+
+ if ( d != current )
+ domain_pause(d);
+
+ c->flags = 0;
+ memcpy(&c->cpu_ctxt,
+ &d->shared_info->execution_context,
+ sizeof(d->shared_info->execution_context));
+ if ( test_bit(DF_DONEFPUINIT, &d->flags) )
+ c->flags |= ECF_I387_VALID;
+ memcpy(&c->fpu_ctxt,
+ &d->thread.i387,
+ sizeof(d->thread.i387));
+ memcpy(&c->trap_ctxt,
+ d->thread.traps,
+ sizeof(d->thread.traps));
+#ifdef ARCH_HAS_FAST_TRAP
+ if ( (d->thread.fast_trap_desc.a == 0) &&
+ (d->thread.fast_trap_desc.b == 0) )
+ c->fast_trap_idx = 0;
+ else
+ c->fast_trap_idx =
+ d->thread.fast_trap_idx;
+#endif
+ c->ldt_base = d->mm.ldt_base;
+ c->ldt_ents = d->mm.ldt_ents;
+ c->gdt_ents = 0;
+ if ( GET_GDT_ADDRESS(d) == GDT_VIRT_START )
+ {
+ for ( i = 0; i < 16; i++ )
+ c->gdt_frames[i] =
+ l1_pgentry_to_pagenr(d->mm.perdomain_pt[i]);
+ c->gdt_ents =
+ (GET_GDT_ENTRIES(d) + 1) >> 3;
+ }
+ c->guestos_ss = d->thread.guestos_ss;
+ c->guestos_esp = d->thread.guestos_sp;
+ c->pt_base =
+ pagetable_val(d->mm.pagetable);
+ memcpy(c->debugreg,
+ d->thread.debugreg,
+ sizeof(d->thread.debugreg));
+ c->event_callback_cs =
+ d->event_selector;
+ c->event_callback_eip =
+ d->event_address;
+ c->failsafe_callback_cs =
+ d->failsafe_selector;
+ c->failsafe_callback_eip =
+ d->failsafe_address;
+
+ if ( d != current )
+ domain_unpause(d);
+
+ if ( copy_to_user(op->u.getdomaininfo.ctxt, c, sizeof(*c)) )
+ ret = -EINVAL;
+
+ if ( c != NULL )
+ kfree(c);
+ }
+
+ if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
+ ret = -EINVAL;
+
+ put_domain(d);
+ }
+ break;
+
+ case DOM0_SHADOW_CONTROL:
+ {
+ struct domain *d;
+ ret = -ESRCH;
+ d = find_domain_by_id(op->u.shadow_control.domain);
+ if ( d != NULL )
+ {
+ ret = shadow_mode_control(d, &op->u.shadow_control);
+ put_domain(d);
+ copy_to_user(u_dom0_op, op, sizeof(*op));
+ }
+ }
+ break;
+
+ default:
+ ret = -ENOSYS;
+
+ }
+
+ return ret;
+}
struct domain *d;
d = find_domain_by_id(op->u.debug.domain);
- if ( d->mm.shadow_mode )
+ if ( shadow_mode(d) )
cr3 = pagetable_val(d->mm.shadow_table);
else
cr3 = pagetable_val(d->mm.pagetable);
#include <xen/sched.h>
#include <xen/event.h>
#include <asm/domain_page.h>
-#include <asm/msr.h>
#include <asm/pdb.h>
#include <xen/trace.h>
#include <xen/console.h>
#define TRC_DOM0OP_LEAVE_BASE 0x00030000
extern unsigned int alloc_new_dom_mem(struct domain *, unsigned int);
-
-static int msr_cpu_mask;
-static unsigned long msr_addr;
-static unsigned long msr_lo;
-static unsigned long msr_hi;
-
-static void write_msr_for(void *unused)
-{
- if (((1 << current->processor) & msr_cpu_mask))
- wrmsr(msr_addr, msr_lo, msr_hi);
-}
-
-static void read_msr_for(void *unused)
-{
- if (((1 << current->processor) & msr_cpu_mask))
- rdmsr(msr_addr, msr_lo, msr_hi);
-}
+extern long arch_do_dom0_op(dom0_op_t *op, dom0_op_t *u_dom0_op);
long do_dom0_op(dom0_op_t *u_dom0_op)
{
}
break;
- case DOM0_GETDOMAININFO:
- {
- full_execution_context_t *c;
- struct domain *d;
- unsigned long flags;
- int i;
-
- read_lock_irqsave(&tasklist_lock, flags);
-
- for_each_domain ( d )
- {
- if ( d->domain >= op->u.getdomaininfo.domain )
- break;
- }
-
- if ( (d == NULL) || !get_domain(d) )
- {
- read_unlock_irqrestore(&tasklist_lock, flags);
- ret = -ESRCH;
- break;
- }
-
- read_unlock_irqrestore(&tasklist_lock, flags);
-
- op->u.getdomaininfo.domain = d->domain;
- strcpy(op->u.getdomaininfo.name, d->name);
-
- op->u.getdomaininfo.flags =
- (test_bit(DF_DYING, &d->flags) ? DOMFLAGS_DYING : 0) |
- (test_bit(DF_CRASHED, &d->flags) ? DOMFLAGS_CRASHED : 0) |
- (test_bit(DF_SHUTDOWN, &d->flags) ? DOMFLAGS_SHUTDOWN : 0) |
- (test_bit(DF_CTRLPAUSE, &d->flags) ? DOMFLAGS_PAUSED : 0) |
- (test_bit(DF_BLOCKED, &d->flags) ? DOMFLAGS_BLOCKED : 0) |
- (test_bit(DF_RUNNING, &d->flags) ? DOMFLAGS_RUNNING : 0);
-
- op->u.getdomaininfo.flags |= d->processor << DOMFLAGS_CPUSHIFT;
- op->u.getdomaininfo.flags |=
- d->shutdown_code << DOMFLAGS_SHUTDOWNSHIFT;
-
- op->u.getdomaininfo.tot_pages = d->tot_pages;
- op->u.getdomaininfo.max_pages = d->max_pages;
- op->u.getdomaininfo.cpu_time = d->cpu_time;
- op->u.getdomaininfo.shared_info_frame =
- __pa(d->shared_info) >> PAGE_SHIFT;
-
- if ( op->u.getdomaininfo.ctxt != NULL )
- {
- if ( (c = kmalloc(sizeof(*c))) == NULL )
- {
- ret = -ENOMEM;
- put_domain(d);
- break;
- }
-
- if ( d != current )
- domain_pause(d);
-
- c->flags = 0;
- memcpy(&c->cpu_ctxt,
- &d->shared_info->execution_context,
- sizeof(d->shared_info->execution_context));
- if ( test_bit(DF_DONEFPUINIT, &d->flags) )
- c->flags |= ECF_I387_VALID;
- memcpy(&c->fpu_ctxt,
- &d->thread.i387,
- sizeof(d->thread.i387));
- memcpy(&c->trap_ctxt,
- d->thread.traps,
- sizeof(d->thread.traps));
-#ifdef ARCH_HAS_FAST_TRAP
- if ( (d->thread.fast_trap_desc.a == 0) &&
- (d->thread.fast_trap_desc.b == 0) )
- c->fast_trap_idx = 0;
- else
- c->fast_trap_idx =
- d->thread.fast_trap_idx;
-#endif
- c->ldt_base = d->mm.ldt_base;
- c->ldt_ents = d->mm.ldt_ents;
- c->gdt_ents = 0;
- if ( GET_GDT_ADDRESS(d) == GDT_VIRT_START )
- {
- for ( i = 0; i < 16; i++ )
- c->gdt_frames[i] =
- l1_pgentry_to_pagenr(d->mm.perdomain_pt[i]);
- c->gdt_ents =
- (GET_GDT_ENTRIES(d) + 1) >> 3;
- }
- c->guestos_ss = d->thread.guestos_ss;
- c->guestos_esp = d->thread.guestos_sp;
- c->pt_base =
- pagetable_val(d->mm.pagetable);
- memcpy(c->debugreg,
- d->thread.debugreg,
- sizeof(d->thread.debugreg));
- c->event_callback_cs =
- d->event_selector;
- c->event_callback_eip =
- d->event_address;
- c->failsafe_callback_cs =
- d->failsafe_selector;
- c->failsafe_callback_eip =
- d->failsafe_address;
-
- if ( d != current )
- domain_unpause(d);
-
- if ( copy_to_user(op->u.getdomaininfo.ctxt, c, sizeof(*c)) )
- ret = -EINVAL;
-
- if ( c != NULL )
- kfree(c);
- }
-
- if ( copy_to_user(u_dom0_op, op, sizeof(*op)) )
- ret = -EINVAL;
-
- put_domain(d);
- }
- break;
-
case DOM0_GETPAGEFRAMEINFO:
{
struct pfn_info *page;
}
break;
- case DOM0_MSR:
- {
- if ( op->u.msr.write )
- {
- msr_cpu_mask = op->u.msr.cpu_mask;
- msr_addr = op->u.msr.msr;
- msr_lo = op->u.msr.in1;
- msr_hi = op->u.msr.in2;
- smp_call_function(write_msr_for, NULL, 1, 1);
- write_msr_for(NULL);
- }
- else
- {
- msr_cpu_mask = op->u.msr.cpu_mask;
- msr_addr = op->u.msr.msr;
- smp_call_function(read_msr_for, NULL, 1, 1);
- read_msr_for(NULL);
-
- op->u.msr.out1 = msr_lo;
- op->u.msr.out2 = msr_hi;
- copy_to_user(u_dom0_op, op, sizeof(*op));
- }
- ret = 0;
- }
- break;
-
#ifdef XEN_DEBUGGER
case DOM0_DEBUG:
{
}
break;
- case DOM0_SHADOW_CONTROL:
- {
- struct domain *d;
- ret = -ESRCH;
- d = find_domain_by_id(op->u.shadow_control.domain);
- if ( d != NULL )
- {
- ret = shadow_mode_control(d, &op->u.shadow_control);
- put_domain(d);
- copy_to_user(u_dom0_op, op, sizeof(*op));
- }
- }
- break;
-
case DOM0_SCHED_ID:
{
op->u.sched_id.sched_id = sched_id();
break;
default:
- ret = -ENOSYS;
+ ret = arch_do_dom0_op(op,u_dom0_op);
}
#include <asm/io.h>
#include <asm/domain_page.h>
#include <asm/flushtlb.h>
-#include <asm/msr.h>
#include <asm/i387.h>
#include <hypervisor-ifs/dom0_ops.h>
atomic_set(&d->refcnt, 1);
atomic_set(&d->pausecnt, 0);
- spin_lock_init(&d->mm.shadow_lock);
+ shadow_lock_init(d);
d->domain = dom_id;
d->processor = cpu;
write_ptbase(¤t->mm);
/* Exit shadow mode before deconstructing final guest page table. */
- if ( d->mm.shadow_mode )
+ if ( shadow_mode(d) )
shadow_mode_disable(d);
/* Drop the in-use reference to the page-table base. */
#include <xen/shadow.h>
#include <xen/trace.h>
#include <asm/io.h>
-#include <asm/msr.h>
#include <asm/uaccess.h>
#include <asm/domain_page.h>
#include <hypervisor-ifs/dom0_ops.h>
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