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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] [HVM] Save/restore: save RTC state.
# HG changeset patch
# User Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
# Date 1170239327 0
# Node ID 9130206e27f8a5dacaea350ebbd895b14c9b09e2
# Parent ffcd586dbaae1c1f81132f0d7c697d8699b292bd
[HVM] Save/restore: save RTC state.
Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
---
xen/arch/x86/hvm/hvm.c | 2
xen/arch/x86/hvm/intercept.c | 8 +
xen/arch/x86/hvm/rtc.c | 195 ++++++++++++++++++++++----------------
xen/include/asm-x86/hvm/support.h | 15 +-
xen/include/asm-x86/hvm/vpt.h | 9 -
xen/include/public/hvm/save.h | 17 +++
6 files changed, 149 insertions(+), 97 deletions(-)
diff -r ffcd586dbaae -r 9130206e27f8 xen/arch/x86/hvm/hvm.c
--- a/xen/arch/x86/hvm/hvm.c Wed Jan 31 10:27:10 2007 +0000
+++ b/xen/arch/x86/hvm/hvm.c Wed Jan 31 10:28:47 2007 +0000
@@ -254,7 +254,7 @@ int hvm_vcpu_initialise(struct vcpu *v)
return 0;
pit_init(v, cpu_khz);
- rtc_init(v, RTC_PORT(0), RTC_IRQ);
+ rtc_init(v, RTC_PORT(0));
pmtimer_init(v, ACPI_PM_TMR_BLK_ADDRESS);
hpet_init(v);
diff -r ffcd586dbaae -r 9130206e27f8 xen/arch/x86/hvm/intercept.c
--- a/xen/arch/x86/hvm/intercept.c Wed Jan 31 10:27:10 2007 +0000
+++ b/xen/arch/x86/hvm/intercept.c Wed Jan 31 10:28:47 2007 +0000
@@ -161,10 +161,12 @@ static struct {
static struct {
hvm_save_handler save;
hvm_load_handler load;
-} hvm_sr_handlers [HVM_SAVE_CODE_MAX + 1] = {{NULL, NULL},};
+ const char *name;
+} hvm_sr_handlers [HVM_SAVE_CODE_MAX + 1] = {{NULL, NULL, "<?>"},};
/* Init-time function to add entries to that list */
void hvm_register_savevm(uint16_t typecode,
+ const char *name,
hvm_save_handler save_state,
hvm_load_handler load_state)
{
@@ -173,6 +175,7 @@ void hvm_register_savevm(uint16_t typeco
ASSERT(hvm_sr_handlers[typecode].load == NULL);
hvm_sr_handlers[typecode].save = save_state;
hvm_sr_handlers[typecode].load = load_state;
+ hvm_sr_handlers[typecode].name = name;
}
@@ -211,6 +214,7 @@ int hvm_save(struct domain *d, hvm_domai
handler = hvm_sr_handlers[i].save;
if ( handler != NULL )
{
+ gdprintk(XENLOG_INFO, "HVM save: %s\n", hvm_sr_handlers[i].name);
if ( handler(d, h) != 0 )
{
gdprintk(XENLOG_ERR,
@@ -312,6 +316,8 @@ int hvm_load(struct domain *d, hvm_domai
}
/* Load the entry */
+ gdprintk(XENLOG_INFO, "HVM restore: %s %"PRIu16"\n",
+ hvm_sr_handlers[desc->typecode].name, desc->instance);
if ( handler(d, h) != 0 )
{
gdprintk(XENLOG_ERR,
diff -r ffcd586dbaae -r 9130206e27f8 xen/arch/x86/hvm/rtc.c
--- a/xen/arch/x86/hvm/rtc.c Wed Jan 31 10:27:10 2007 +0000
+++ b/xen/arch/x86/hvm/rtc.c Wed Jan 31 10:28:47 2007 +0000
@@ -33,26 +33,26 @@ void rtc_periodic_cb(struct vcpu *v, voi
void rtc_periodic_cb(struct vcpu *v, void *opaque)
{
RTCState *s = opaque;
- s->cmos_data[RTC_REG_C] |= 0xc0;
+ s->hw.cmos_data[RTC_REG_C] |= 0xc0;
}
int is_rtc_periodic_irq(void *opaque)
{
RTCState *s = opaque;
- return !(s->cmos_data[RTC_REG_C] & RTC_AF ||
- s->cmos_data[RTC_REG_C] & RTC_UF);
+ return !(s->hw.cmos_data[RTC_REG_C] & RTC_AF ||
+ s->hw.cmos_data[RTC_REG_C] & RTC_UF);
}
/* Enable/configure/disable the periodic timer based on the RTC_PIE and
* RTC_RATE_SELECT settings */
-static void rtc_timer_update(RTCState *s)
+static void rtc_timer_update(RTCState *s, struct vcpu *v)
{
int period_code;
int period;
- period_code = s->cmos_data[RTC_REG_A] & RTC_RATE_SELECT;
- if ( (period_code != 0) && (s->cmos_data[RTC_REG_B] & RTC_PIE) )
+ period_code = s->hw.cmos_data[RTC_REG_A] & RTC_RATE_SELECT;
+ if ( (period_code != 0) && (s->hw.cmos_data[RTC_REG_B] & RTC_PIE) )
{
if ( period_code <= 2 )
period_code += 7;
@@ -62,7 +62,7 @@ static void rtc_timer_update(RTCState *s
#ifdef DEBUG_RTC
printk("HVM_RTC: period = %uns\n", period);
#endif
- create_periodic_time(current, &s->pt, period, RTC_IRQ, 0,
rtc_periodic_cb, s);
+ create_periodic_time(v, &s->pt, period, RTC_IRQ, 0, rtc_periodic_cb,
s);
}
else
destroy_periodic_time(&s->pt);
@@ -76,24 +76,24 @@ static int rtc_ioport_write(void *opaque
if ( (addr & 1) == 0 )
{
- s->cmos_index = data & 0x7f;
- return (s->cmos_index < RTC_SIZE);
- }
-
- if (s->cmos_index >= RTC_SIZE)
+ s->hw.cmos_index = data & 0x7f;
+ return (s->hw.cmos_index < RTC_CMOS_SIZE);
+ }
+
+ if (s->hw.cmos_index >= RTC_CMOS_SIZE)
return 0;
#ifdef DEBUG_RTC
printk("HVM_RTC: write index=0x%02x val=0x%02x\n",
- s->cmos_index, data);
+ s->hw.cmos_index, data);
#endif
- switch ( s->cmos_index )
+ switch ( s->hw.cmos_index )
{
case RTC_SECONDS_ALARM:
case RTC_MINUTES_ALARM:
case RTC_HOURS_ALARM:
- s->cmos_data[s->cmos_index] = data;
+ s->hw.cmos_data[s->hw.cmos_index] = data;
break;
case RTC_SECONDS:
case RTC_MINUTES:
@@ -102,32 +102,32 @@ static int rtc_ioport_write(void *opaque
case RTC_DAY_OF_MONTH:
case RTC_MONTH:
case RTC_YEAR:
- s->cmos_data[s->cmos_index] = data;
+ s->hw.cmos_data[s->hw.cmos_index] = data;
/* if in set mode, do not update the time */
- if ( !(s->cmos_data[RTC_REG_B] & RTC_SET) )
+ if ( !(s->hw.cmos_data[RTC_REG_B] & RTC_SET) )
rtc_set_time(s);
break;
case RTC_REG_A:
/* UIP bit is read only */
- s->cmos_data[RTC_REG_A] = (data & ~RTC_UIP) |
- (s->cmos_data[RTC_REG_A] & RTC_UIP);
- rtc_timer_update(s);
+ s->hw.cmos_data[RTC_REG_A] = (data & ~RTC_UIP) |
+ (s->hw.cmos_data[RTC_REG_A] & RTC_UIP);
+ rtc_timer_update(s, current);
break;
case RTC_REG_B:
if ( data & RTC_SET )
{
/* set mode: reset UIP mode */
- s->cmos_data[RTC_REG_A] &= ~RTC_UIP;
+ s->hw.cmos_data[RTC_REG_A] &= ~RTC_UIP;
data &= ~RTC_UIE;
}
else
{
/* if disabling set mode, update the time */
- if ( s->cmos_data[RTC_REG_B] & RTC_SET )
+ if ( s->hw.cmos_data[RTC_REG_B] & RTC_SET )
rtc_set_time(s);
}
- s->cmos_data[RTC_REG_B] = data;
- rtc_timer_update(s);
+ s->hw.cmos_data[RTC_REG_B] = data;
+ rtc_timer_update(s, current);
break;
case RTC_REG_C:
case RTC_REG_D:
@@ -140,7 +140,7 @@ static int rtc_ioport_write(void *opaque
static inline int to_bcd(RTCState *s, int a)
{
- if ( s->cmos_data[RTC_REG_B] & 0x04 )
+ if ( s->hw.cmos_data[RTC_REG_B] & 0x04 )
return a;
else
return ((a / 10) << 4) | (a % 10);
@@ -148,7 +148,7 @@ static inline int to_bcd(RTCState *s, in
static inline int from_bcd(RTCState *s, int a)
{
- if ( s->cmos_data[RTC_REG_B] & 0x04 )
+ if ( s->hw.cmos_data[RTC_REG_B] & 0x04 )
return a;
else
return ((a >> 4) * 10) + (a & 0x0f);
@@ -158,40 +158,40 @@ static void rtc_set_time(RTCState *s)
{
struct tm *tm = &s->current_tm;
- tm->tm_sec = from_bcd(s, s->cmos_data[RTC_SECONDS]);
- tm->tm_min = from_bcd(s, s->cmos_data[RTC_MINUTES]);
- tm->tm_hour = from_bcd(s, s->cmos_data[RTC_HOURS] & 0x7f);
- if ( !(s->cmos_data[RTC_REG_B] & 0x02) &&
- (s->cmos_data[RTC_HOURS] & 0x80) )
+ tm->tm_sec = from_bcd(s, s->hw.cmos_data[RTC_SECONDS]);
+ tm->tm_min = from_bcd(s, s->hw.cmos_data[RTC_MINUTES]);
+ tm->tm_hour = from_bcd(s, s->hw.cmos_data[RTC_HOURS] & 0x7f);
+ if ( !(s->hw.cmos_data[RTC_REG_B] & 0x02) &&
+ (s->hw.cmos_data[RTC_HOURS] & 0x80) )
tm->tm_hour += 12;
- tm->tm_wday = from_bcd(s, s->cmos_data[RTC_DAY_OF_WEEK]);
- tm->tm_mday = from_bcd(s, s->cmos_data[RTC_DAY_OF_MONTH]);
- tm->tm_mon = from_bcd(s, s->cmos_data[RTC_MONTH]) - 1;
- tm->tm_year = from_bcd(s, s->cmos_data[RTC_YEAR]) + 100;
+ tm->tm_wday = from_bcd(s, s->hw.cmos_data[RTC_DAY_OF_WEEK]);
+ tm->tm_mday = from_bcd(s, s->hw.cmos_data[RTC_DAY_OF_MONTH]);
+ tm->tm_mon = from_bcd(s, s->hw.cmos_data[RTC_MONTH]) - 1;
+ tm->tm_year = from_bcd(s, s->hw.cmos_data[RTC_YEAR]) + 100;
}
static void rtc_copy_date(RTCState *s)
{
const struct tm *tm = &s->current_tm;
- s->cmos_data[RTC_SECONDS] = to_bcd(s, tm->tm_sec);
- s->cmos_data[RTC_MINUTES] = to_bcd(s, tm->tm_min);
- if ( s->cmos_data[RTC_REG_B] & RTC_24H )
+ s->hw.cmos_data[RTC_SECONDS] = to_bcd(s, tm->tm_sec);
+ s->hw.cmos_data[RTC_MINUTES] = to_bcd(s, tm->tm_min);
+ if ( s->hw.cmos_data[RTC_REG_B] & RTC_24H )
{
/* 24 hour format */
- s->cmos_data[RTC_HOURS] = to_bcd(s, tm->tm_hour);
+ s->hw.cmos_data[RTC_HOURS] = to_bcd(s, tm->tm_hour);
}
else
{
/* 12 hour format */
- s->cmos_data[RTC_HOURS] = to_bcd(s, tm->tm_hour % 12);
+ s->hw.cmos_data[RTC_HOURS] = to_bcd(s, tm->tm_hour % 12);
if ( tm->tm_hour >= 12 )
- s->cmos_data[RTC_HOURS] |= 0x80;
- }
- s->cmos_data[RTC_DAY_OF_WEEK] = to_bcd(s, tm->tm_wday);
- s->cmos_data[RTC_DAY_OF_MONTH] = to_bcd(s, tm->tm_mday);
- s->cmos_data[RTC_MONTH] = to_bcd(s, tm->tm_mon + 1);
- s->cmos_data[RTC_YEAR] = to_bcd(s, tm->tm_year % 100);
+ s->hw.cmos_data[RTC_HOURS] |= 0x80;
+ }
+ s->hw.cmos_data[RTC_DAY_OF_WEEK] = to_bcd(s, tm->tm_wday);
+ s->hw.cmos_data[RTC_DAY_OF_MONTH] = to_bcd(s, tm->tm_mday);
+ s->hw.cmos_data[RTC_MONTH] = to_bcd(s, tm->tm_mon + 1);
+ s->hw.cmos_data[RTC_YEAR] = to_bcd(s, tm->tm_year % 100);
}
/* month is between 0 and 11. */
@@ -251,7 +251,7 @@ static void rtc_update_second(void *opaq
RTCState *s = opaque;
/* if the oscillator is not in normal operation, we do not update */
- if ( (s->cmos_data[RTC_REG_A] & RTC_DIV_CTL) != RTC_REF_CLCK_32KHZ )
+ if ( (s->hw.cmos_data[RTC_REG_A] & RTC_DIV_CTL) != RTC_REF_CLCK_32KHZ )
{
s->next_second_time += 1000000000ULL;
set_timer(&s->second_timer, s->next_second_time);
@@ -260,8 +260,8 @@ static void rtc_update_second(void *opaq
{
rtc_next_second(&s->current_tm);
- if ( !(s->cmos_data[RTC_REG_B] & RTC_SET) )
- s->cmos_data[RTC_REG_A] |= RTC_UIP;
+ if ( !(s->hw.cmos_data[RTC_REG_B] & RTC_SET) )
+ s->hw.cmos_data[RTC_REG_A] |= RTC_UIP;
/* Delay time before update cycle */
set_timer(&s->second_timer2, s->next_second_time + 244000);
@@ -272,38 +272,38 @@ static void rtc_update_second2(void *opa
{
RTCState *s = opaque;
- if ( !(s->cmos_data[RTC_REG_B] & RTC_SET) )
+ if ( !(s->hw.cmos_data[RTC_REG_B] & RTC_SET) )
rtc_copy_date(s);
/* check alarm */
- if ( s->cmos_data[RTC_REG_B] & RTC_AIE )
- {
- if ( ((s->cmos_data[RTC_SECONDS_ALARM] & 0xc0) == 0xc0 ||
- from_bcd(s, s->cmos_data[RTC_SECONDS_ALARM]) ==
+ if ( s->hw.cmos_data[RTC_REG_B] & RTC_AIE )
+ {
+ if ( ((s->hw.cmos_data[RTC_SECONDS_ALARM] & 0xc0) == 0xc0 ||
+ from_bcd(s, s->hw.cmos_data[RTC_SECONDS_ALARM]) ==
s->current_tm.tm_sec) &&
- ((s->cmos_data[RTC_MINUTES_ALARM] & 0xc0) == 0xc0 ||
- from_bcd(s, s->cmos_data[RTC_MINUTES_ALARM]) ==
+ ((s->hw.cmos_data[RTC_MINUTES_ALARM] & 0xc0) == 0xc0 ||
+ from_bcd(s, s->hw.cmos_data[RTC_MINUTES_ALARM]) ==
s->current_tm.tm_min) &&
- ((s->cmos_data[RTC_HOURS_ALARM] & 0xc0) == 0xc0 ||
- from_bcd(s, s->cmos_data[RTC_HOURS_ALARM]) ==
+ ((s->hw.cmos_data[RTC_HOURS_ALARM] & 0xc0) == 0xc0 ||
+ from_bcd(s, s->hw.cmos_data[RTC_HOURS_ALARM]) ==
s->current_tm.tm_hour) )
{
- s->cmos_data[RTC_REG_C] |= 0xa0;
- hvm_isa_irq_deassert(s->pt.vcpu->domain, s->irq);
- hvm_isa_irq_assert(s->pt.vcpu->domain, s->irq);
+ s->hw.cmos_data[RTC_REG_C] |= 0xa0;
+ hvm_isa_irq_deassert(s->pt.vcpu->domain, RTC_IRQ);
+ hvm_isa_irq_assert(s->pt.vcpu->domain, RTC_IRQ);
}
}
/* update ended interrupt */
- if ( s->cmos_data[RTC_REG_B] & RTC_UIE )
- {
- s->cmos_data[RTC_REG_C] |= 0x90;
- hvm_isa_irq_deassert(s->pt.vcpu->domain, s->irq);
- hvm_isa_irq_assert(s->pt.vcpu->domain, s->irq);
+ if ( s->hw.cmos_data[RTC_REG_B] & RTC_UIE )
+ {
+ s->hw.cmos_data[RTC_REG_C] |= 0x90;
+ hvm_isa_irq_deassert(s->pt.vcpu->domain, RTC_IRQ);
+ hvm_isa_irq_assert(s->pt.vcpu->domain, RTC_IRQ);
}
/* clear update in progress bit */
- s->cmos_data[RTC_REG_A] &= ~RTC_UIP;
+ s->hw.cmos_data[RTC_REG_A] &= ~RTC_UIP;
s->next_second_time += 1000000000ULL;
set_timer(&s->second_timer, s->next_second_time);
@@ -317,7 +317,7 @@ static uint32_t rtc_ioport_read(void *op
if ( (addr & 1) == 0 )
return 0xff;
- switch ( s->cmos_index )
+ switch ( s->hw.cmos_index )
{
case RTC_SECONDS:
case RTC_MINUTES:
@@ -326,24 +326,24 @@ static uint32_t rtc_ioport_read(void *op
case RTC_DAY_OF_MONTH:
case RTC_MONTH:
case RTC_YEAR:
- ret = s->cmos_data[s->cmos_index];
+ ret = s->hw.cmos_data[s->hw.cmos_index];
break;
case RTC_REG_A:
- ret = s->cmos_data[s->cmos_index];
+ ret = s->hw.cmos_data[s->hw.cmos_index];
break;
case RTC_REG_C:
- ret = s->cmos_data[s->cmos_index];
- hvm_isa_irq_deassert(s->pt.vcpu->domain, s->irq);
- s->cmos_data[RTC_REG_C] = 0x00;
+ ret = s->hw.cmos_data[s->hw.cmos_index];
+ hvm_isa_irq_deassert(s->pt.vcpu->domain, RTC_IRQ);
+ s->hw.cmos_data[RTC_REG_C] = 0x00;
break;
default:
- ret = s->cmos_data[s->cmos_index];
+ ret = s->hw.cmos_data[s->hw.cmos_index];
break;
}
#ifdef DEBUG_RTC
printk("HVM_RTC: read index=0x%02x val=0x%02x\n",
- s->cmos_index, ret);
+ s->hw.cmos_index, ret);
#endif
return ret;
@@ -365,7 +365,7 @@ static int handle_rtc_io(ioreq_t *p)
if ( rtc_ioport_write(vrtc, p->addr, p->data & 0xFF) )
return 1;
}
- else if ( (p->dir == 1) && (vrtc->cmos_index < RTC_SIZE) ) /* read */
+ else if ( (p->dir == 1) && (vrtc->hw.cmos_index < RTC_CMOS_SIZE) ) /* read
*/
{
p->data = rtc_ioport_read(vrtc, p->addr);
return 1;
@@ -388,16 +388,47 @@ void rtc_migrate_timers(struct vcpu *v)
}
}
-void rtc_init(struct vcpu *v, int base, int irq)
+/* Save RTC hardware state */
+static int rtc_save(struct domain *d, hvm_domain_context_t *h)
+{
+ return hvm_save_entry(RTC, 0, h, &d->arch.hvm_domain.pl_time.vrtc.hw);
+}
+
+/* Reload the hardware state from a saved domain */
+static int rtc_load(struct domain *d, hvm_domain_context_t *h)
+{
+ RTCState *s = &d->arch.hvm_domain.pl_time.vrtc;
+
+ /* Restore the registers */
+ if ( hvm_load_entry(RTC, h, &s->hw) != 0 )
+ return -EINVAL;
+
+ /* Reset the wall-clock time. In normal running, this runs with host
+ * time, so let's keep doing that. */
+ s->current_tm = gmtime(get_localtime(d));
+ rtc_copy_date(s);
+ s->next_second_time = NOW() + 1000000000ULL;
+ stop_timer(&s->second_timer);
+ set_timer(&s->second_timer2, s->next_second_time);
+
+ /* Reset the periodic interrupt timer based on the registers */
+ rtc_timer_update(s, d->vcpu[0]);
+
+ return 0;
+}
+
+HVM_REGISTER_SAVE_RESTORE(RTC, rtc_save, rtc_load);
+
+
+void rtc_init(struct vcpu *v, int base)
{
RTCState *s = &v->domain->arch.hvm_domain.pl_time.vrtc;
s->pt.vcpu = v;
- s->irq = irq;
- s->cmos_data[RTC_REG_A] = RTC_REF_CLCK_32KHZ | 6; /* ~1kHz */
- s->cmos_data[RTC_REG_B] = RTC_24H;
- s->cmos_data[RTC_REG_C] = 0;
- s->cmos_data[RTC_REG_D] = RTC_VRT;
+ s->hw.cmos_data[RTC_REG_A] = RTC_REF_CLCK_32KHZ | 6; /* ~1kHz */
+ s->hw.cmos_data[RTC_REG_B] = RTC_24H;
+ s->hw.cmos_data[RTC_REG_C] = 0;
+ s->hw.cmos_data[RTC_REG_D] = RTC_VRT;
s->current_tm = gmtime(get_localtime(v->domain));
rtc_copy_date(s);
diff -r ffcd586dbaae -r 9130206e27f8 xen/include/asm-x86/hvm/support.h
--- a/xen/include/asm-x86/hvm/support.h Wed Jan 31 10:27:10 2007 +0000
+++ b/xen/include/asm-x86/hvm/support.h Wed Jan 31 10:28:47 2007 +0000
@@ -215,17 +215,18 @@ typedef int (*hvm_load_handler) (struct
hvm_domain_context_t *h);
/* Init-time function to declare a pair of handlers for a type */
-void hvm_register_savevm(uint16_t typecode,
+void hvm_register_savevm(uint16_t typecode,
+ const char *name,
hvm_save_handler save_state,
hvm_load_handler load_state);
/* Syntactic sugar around that function */
-#define HVM_REGISTER_SAVE_RESTORE(_x, _save, _load) \
-static int __hvm_register_##_x##_save_and_restore(void) \
-{ \
- hvm_register_savevm(HVM_SAVE_CODE(_x), &_save, &_load); \
- return 0; \
-} \
+#define HVM_REGISTER_SAVE_RESTORE(_x, _save, _load) \
+static int __hvm_register_##_x##_save_and_restore(void) \
+{ \
+ hvm_register_savevm(HVM_SAVE_CODE(_x), #_x, &_save, &_load); \
+ return 0; \
+} \
__initcall(__hvm_register_##_x##_save_and_restore);
diff -r ffcd586dbaae -r 9130206e27f8 xen/include/asm-x86/hvm/vpt.h
--- a/xen/include/asm-x86/hvm/vpt.h Wed Jan 31 10:27:10 2007 +0000
+++ b/xen/include/asm-x86/hvm/vpt.h Wed Jan 31 10:28:47 2007 +0000
@@ -97,12 +97,11 @@ typedef struct PITState {
struct periodic_time pt[3];
} PITState;
-#define RTC_SIZE 14
typedef struct RTCState {
- uint8_t cmos_data[RTC_SIZE]; /* Only handle time/interrupt part in HV */
- uint8_t cmos_index;
+ /* Hardware state */
+ struct hvm_hw_rtc hw;
+ /* RTC's idea of the current time */
struct tm current_tm;
- int irq;
/* second update */
int64_t next_second_time;
struct timer second_timer;
@@ -145,7 +144,7 @@ void pit_stop_channel0_irq(PITState * pi
void pit_stop_channel0_irq(PITState * pit);
void pit_migrate_timers(struct vcpu *v);
void pit_deinit(struct domain *d);
-void rtc_init(struct vcpu *v, int base, int irq);
+void rtc_init(struct vcpu *v, int base);
void rtc_migrate_timers(struct vcpu *v);
void rtc_deinit(struct domain *d);
int is_rtc_periodic_irq(void *opaque);
diff -r ffcd586dbaae -r 9130206e27f8 xen/include/public/hvm/save.h
--- a/xen/include/public/hvm/save.h Wed Jan 31 10:27:10 2007 +0000
+++ b/xen/include/public/hvm/save.h Wed Jan 31 10:28:47 2007 +0000
@@ -367,9 +367,24 @@ DECLARE_HVM_SAVE_TYPE(LAPIC_REGS, 8, str
/*
+ * RTC
+ */
+
+#define RTC_CMOS_SIZE 14
+struct hvm_hw_rtc {
+ /* CMOS bytes */
+ uint8_t cmos_data[RTC_CMOS_SIZE];
+ /* Index register for 2-part operations */
+ uint8_t cmos_index;
+};
+
+DECLARE_HVM_SAVE_TYPE(RTC, 9, struct hvm_hw_rtc);
+
+
+/*
* Largest type-code in use
*/
-#define HVM_SAVE_CODE_MAX 8
+#define HVM_SAVE_CODE_MAX 9
/*
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