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-rw-r--r--drivers/hv/Kconfig2
-rw-r--r--drivers/hv/hv.c2
-rw-r--r--drivers/hv/hyperv_vmbus.h68
-rw-r--r--drivers/hv/vmbus_drv.c20
4 files changed, 22 insertions, 70 deletions
diff --git a/drivers/hv/Kconfig b/drivers/hv/Kconfig
index 97954f575c3f..1c1a2514d6f3 100644
--- a/drivers/hv/Kconfig
+++ b/drivers/hv/Kconfig
@@ -4,7 +4,7 @@ menu "Microsoft Hyper-V guest support"
config HYPERV
tristate "Microsoft Hyper-V client drivers"
- depends on X86 && ACPI && PCI && X86_LOCAL_APIC && HYPERVISOR_GUEST
+ depends on X86 && ACPI && X86_LOCAL_APIC && HYPERVISOR_GUEST
select PARAVIRT
help
Select this option to run Linux as a Hyper-V client operating
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 332d7c34be5c..11273cd384d6 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -143,7 +143,7 @@ static int hv_ce_shutdown(struct clock_event_device *evt)
static int hv_ce_set_oneshot(struct clock_event_device *evt)
{
- union hv_timer_config timer_cfg;
+ union hv_stimer_config timer_cfg;
timer_cfg.as_uint64 = 0;
timer_cfg.enable = 1;
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 87d3d7da78f8..ea201034b248 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -44,74 +44,6 @@
*/
#define HV_UTIL_NEGO_TIMEOUT 55
-/* Define synthetic interrupt controller flag constants. */
-#define HV_EVENT_FLAGS_COUNT (256 * 8)
-#define HV_EVENT_FLAGS_LONG_COUNT (256 / sizeof(unsigned long))
-
-/*
- * Timer configuration register.
- */
-union hv_timer_config {
- u64 as_uint64;
- struct {
- u64 enable:1;
- u64 periodic:1;
- u64 lazy:1;
- u64 auto_enable:1;
- u64 apic_vector:8;
- u64 direct_mode:1;
- u64 reserved_z0:3;
- u64 sintx:4;
- u64 reserved_z1:44;
- };
-};
-
-
-/* Define the synthetic interrupt controller event flags format. */
-union hv_synic_event_flags {
- unsigned long flags[HV_EVENT_FLAGS_LONG_COUNT];
-};
-
-/* Define SynIC control register. */
-union hv_synic_scontrol {
- u64 as_uint64;
- struct {
- u64 enable:1;
- u64 reserved:63;
- };
-};
-
-/* Define synthetic interrupt source. */
-union hv_synic_sint {
- u64 as_uint64;
- struct {
- u64 vector:8;
- u64 reserved1:8;
- u64 masked:1;
- u64 auto_eoi:1;
- u64 reserved2:46;
- };
-};
-
-/* Define the format of the SIMP register */
-union hv_synic_simp {
- u64 as_uint64;
- struct {
- u64 simp_enabled:1;
- u64 preserved:11;
- u64 base_simp_gpa:52;
- };
-};
-
-/* Define the format of the SIEFP register */
-union hv_synic_siefp {
- u64 as_uint64;
- struct {
- u64 siefp_enabled:1;
- u64 preserved:11;
- u64 base_siefp_gpa:52;
- };
-};
/* Definitions for the monitored notification facility */
union hv_monitor_trigger_group {
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 283d184280af..d0ff65675292 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -316,6 +316,8 @@ static ssize_t out_intr_mask_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_interrupt_mask);
}
@@ -329,6 +331,8 @@ static ssize_t out_read_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_read_index);
}
@@ -343,6 +347,8 @@ static ssize_t out_write_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_write_index);
}
@@ -357,6 +363,8 @@ static ssize_t out_read_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.bytes_avail_toread);
}
@@ -371,6 +379,8 @@ static ssize_t out_write_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.bytes_avail_towrite);
}
@@ -384,6 +394,8 @@ static ssize_t in_intr_mask_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_interrupt_mask);
}
@@ -397,6 +409,8 @@ static ssize_t in_read_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_read_index);
}
@@ -410,6 +424,8 @@ static ssize_t in_write_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_write_index);
}
@@ -424,6 +440,8 @@ static ssize_t in_read_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.bytes_avail_toread);
}
@@ -438,6 +456,8 @@ static ssize_t in_write_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.bytes_avail_towrite);
}
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