diff options
| author | K. Y. Srinivasan | 2017-01-19 11:51:55 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2017-01-20 14:51:21 +0100 |
| commit | 8e307bf82d76ab02e95a00d132d926f04db6ccab (patch) | |
| tree | f6187cb616f0cc42f862f2dc686e3aa682410c14 | |
| parent | 155e4a2f28a59e5344dfa7c5d003161fe59a5bf2 (diff) | |
Drivers: hv: vmbus: Define APIs to manipulate the event page
As part of cleaning up architecture specific code, define APIs
to manipulate the event page.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/x86/include/asm/mshyperv.h | 3 | ||||
| -rw-r--r-- | 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 1e75141bc123..2ea7e16fc678 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -143,6 +143,9 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type) #define hv_get_simp(val) rdmsrl(HV_X64_MSR_SIMP, val) #define hv_set_simp(val) wrmsrl(HV_X64_MSR_SIMP, val) +#define hv_get_siefp(val) rdmsrl(HV_X64_MSR_SIEFP, val) +#define hv_set_siefp(val) wrmsrl(HV_X64_MSR_SIEFP, 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 04ad97749884..5680aeed585c 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -276,12 +276,12 @@ int hv_synic_init(unsigned int cpu) hv_set_simp(simp.as_uint64); /* Setup the Synic's event page */ - rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); + hv_get_siefp(siefp.as_uint64); siefp.siefp_enabled = 1; siefp.base_siefp_gpa = virt_to_phys(hv_context.synic_event_page[cpu]) >> PAGE_SHIFT; - wrmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); + hv_set_siefp(siefp.as_uint64); /* Setup the shared SINT. */ rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64); @@ -398,11 +398,11 @@ int hv_synic_cleanup(unsigned int cpu) hv_set_simp(simp.as_uint64); - rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); + hv_get_siefp(siefp.as_uint64); siefp.siefp_enabled = 0; siefp.base_siefp_gpa = 0; - wrmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); + hv_set_siefp(siefp.as_uint64); /* Disable the global synic bit */ rdmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64); |