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Groups > linux.kernel > #1548716
| From | kys@exchange.microsoft.com |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 14/18] Drivers: hv: vmbus: Define APIs to manipulate the event page |
| Date | 2016-12-30 20:50 +0100 |
| Message-ID | <sUblE-cG-37@gated-at.bofh.it> (permalink) |
| References | <sUbbX-9d-15@gated-at.bofh.it> <sUbbX-9d-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: K. Y. Srinivasan <kys@microsoft.com> As part of cleaning up architecture specific code, define APIs to manipulate the event page. Signed-off-by: K. Y. Srinivasan <kys@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 1e75141..2ea7e16 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 6088442d..0a1da5d 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); -- 1.7.4.1
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[PATCH 00/18] Drivers: hv: vmbus: Restructure architecture specific code kys@exchange.microsoft.com - 2016-12-30 20:40 +0100
[PATCH 08/18] Drivers: hv: vmbus: Move the check for hypercall page setup kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 05/18] Drivers: hv: vmbus: Consolidate all Hyper-V specific clocksource code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 03/18] Drivers: hv vmbus: Move Hypercall page setup out of common code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 02/18] Drivers: hv: vmbus: Move the definition of generate_guest_id() kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 01/18] Drivers: hv: vmbus: Move the definition of hv_x64_msr_hypercall_contents kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 15/18] Drivers: hv: vmbus: Define APIs to manipulate the synthetic interrupt controller kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 04/18] Drivers: hv: vmbus: Move Hypercall invocation code out of common code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 09/18] Drivers: hv: vmbus: Move the code to signal end of message kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 18/18] Drivers: hv: vmbus: Cleanup hyperv_vmbus.h kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 14/18] Drivers: hv: vmbus: Define APIs to manipulate the event page kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 06/18] Drivers: hv: vmbus: Move the extracting of Hypervisor version information kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 10/18] Drivers: hv: vmbus: Restructure the clockevents code kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 17/18] Drivers: hv: vmbus: Define an APIs to manage interrupt state kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 11/18] Drivers: hv: util: Use hv_get_current_tick() to get current tick kys@exchange.microsoft.com - 2016-12-30 20:50 +0100
[PATCH 12/18] Drivers: hv: vmbus: Get rid of an unsused variable kys@exchange.microsoft.com - 2016-12-30 21:00 +0100
[PATCH 13/18] Drivers: hv: vmbus: Define APIs to manipulate the message page kys@exchange.microsoft.com - 2016-12-30 21:00 +0100
[PATCH 07/18] Drivers: hv: vmbus: Move the crash notification function kys@exchange.microsoft.com - 2016-12-30 21:00 +0100
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