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| author | K. Y. Srinivasan <kys@microsoft.com> | 2017-01-19 11:51:54 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-20 14:51:21 +0100 |
| commit | 155e4a2f28a59e5344dfa7c5d003161fe59a5bf2 (patch) | |
| tree | d6a84e5f03465ceeb41f60f9603b82fc6431d15e | |
| parent | d383877db60bcc7fd02d1051a90e078d731dfb59 (diff) | |
| download | linux-155e4a2f28a59e5344dfa7c5d003161fe59a5bf2.tar.bz2 | |
Drivers: hv: vmbus: Define APIs to manipulate the message page
As part of cleaning up architecture specific code, define APIs
to manipulate the message 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 a58c201f3412..1e75141bc123 100644 --- a/arch/x86/include/asm/mshyperv.h +++ b/arch/x86/include/asm/mshyperv.h @@ -140,6 +140,9 @@ static inline void vmbus_signal_eom(struct hv_message *msg, u32 old_msg_type) #define hv_init_timer(timer, tick) wrmsrl(timer, tick) #define hv_init_timer_config(config, val) wrmsrl(config, val) +#define hv_get_simp(val) rdmsrl(HV_X64_MSR_SIMP, val) +#define hv_set_simp(val) wrmsrl(HV_X64_MSR_SIMP, 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 ced2077bb925..04ad97749884 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -268,12 +268,12 @@ int hv_synic_init(unsigned int cpu) u64 vp_index; /* Setup the Synic's message page */ - rdmsrl(HV_X64_MSR_SIMP, simp.as_uint64); + hv_get_simp(simp.as_uint64); simp.simp_enabled = 1; simp.base_simp_gpa = virt_to_phys(hv_context.synic_message_page[cpu]) >> PAGE_SHIFT; - wrmsrl(HV_X64_MSR_SIMP, simp.as_uint64); + hv_set_simp(simp.as_uint64); /* Setup the Synic's event page */ rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); @@ -392,11 +392,11 @@ int hv_synic_cleanup(unsigned int cpu) /* Disable the interrupt */ wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64); - rdmsrl(HV_X64_MSR_SIMP, simp.as_uint64); + hv_get_simp(simp.as_uint64); simp.simp_enabled = 0; simp.base_simp_gpa = 0; - wrmsrl(HV_X64_MSR_SIMP, simp.as_uint64); + hv_set_simp(simp.as_uint64); rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64); siefp.siefp_enabled = 0; |