From: K. Y. Srinivasan <k...@microsoft.com>
As part of cleaning up architecture specific code, define APIs
to manipulate the interrupt controller state.
Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
---
arch/x86/include/asm/mshyperv.h | 3 +++
drivers/hv/hv.c | 8 ++++----
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 2ea7e16..1ea19a5 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -146,6 +146,9 @@ static inline void vmbus_signal_eom(struct hv_message *msg,
u32 old_msg_type)
#define hv_get_siefp(val) rdmsrl(HV_X64_MSR_SIEFP, val)
#define hv_set_siefp(val) wrmsrl(HV_X64_MSR_SIEFP, val)
+#define hv_get_synic_state(val) rdmsrl(HV_X64_MSR_SCONTROL, val)
+#define hv_set_synic_state(val) wrmsrl(HV_X64_MSR_SCONTROL, val)
+
void hyperv_callback_vector(void);
#ifdef CONFIG_TRACING
#define trace_hyperv_callback_vector hyperv_callback_vector
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 0a1da5d..3c9a819 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -294,10 +294,10 @@ int hv_synic_init(unsigned int cpu)
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
/* Enable the global synic bit */
- rdmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64);
+ hv_get_synic_state(sctrl.as_uint64);
sctrl.enable = 1;
- wrmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64);
+ hv_set_synic_state(sctrl.as_uint64);
hv_context.synic_initialized = true;
@@ -405,9 +405,9 @@ int hv_synic_cleanup(unsigned int cpu)
hv_set_siefp(siefp.as_uint64);
/* Disable the global synic bit */
- rdmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64);
+ hv_get_synic_state(sctrl.as_uint64);
sctrl.enable = 0;
- wrmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64);
+ hv_set_synic_state(sctrl.as_uint64);
return 0;
}
--
1.7.4.1
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