staging: hv: Convert camel cased struct fields in hv.h to lower cases
staging: hv: Convert camel cased struct fields in hv.h to lower cases Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Hank Janssen <hjanssen@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -28,11 +28,11 @@
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#include "vmbus_private.h"
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/* The one and only */
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struct hv_context gHvContext = {
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.SynICInitialized = false,
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.HypercallPage = NULL,
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.SignalEventParam = NULL,
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.SignalEventBuffer = NULL,
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struct hv_context hv_context = {
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.synic_initialized = false,
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.hypercall_page = NULL,
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.signal_event_param = NULL,
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.signal_event_buffer = NULL,
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};
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/*
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@ -134,7 +134,7 @@ static u64 HvDoHypercall(u64 Control, void *Input, void *Output)
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u64 hvStatus = 0;
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u64 inputAddress = (Input) ? virt_to_phys(Input) : 0;
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u64 outputAddress = (Output) ? virt_to_phys(Output) : 0;
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volatile void *hypercallPage = gHvContext.HypercallPage;
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volatile void *hypercallPage = hv_context.hypercall_page;
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DPRINT_DBG(VMBUS, "Hypercall <control %llx input phys %llx virt %p "
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"output phys %llx virt %p hypercall %p>",
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@ -162,7 +162,7 @@ static u64 HvDoHypercall(u64 Control, void *Input, void *Output)
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u64 outputAddress = (Output) ? virt_to_phys(Output) : 0;
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u32 outputAddressHi = outputAddress >> 32;
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u32 outputAddressLo = outputAddress & 0xFFFFFFFF;
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volatile void *hypercallPage = gHvContext.HypercallPage;
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volatile void *hypercallPage = hv_context.hypercall_page;
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DPRINT_DBG(VMBUS, "Hypercall <control %llx input %p output %p>",
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Control, Input, Output);
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@ -192,8 +192,9 @@ int HvInit(void)
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union hv_x64_msr_hypercall_contents hypercallMsr;
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void *virtAddr = NULL;
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memset(gHvContext.synICEventPage, 0, sizeof(void *) * MAX_NUM_CPUS);
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memset(gHvContext.synICMessagePage, 0, sizeof(void *) * MAX_NUM_CPUS);
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memset(hv_context.synic_event_page, 0, sizeof(void *) * MAX_NUM_CPUS);
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memset(hv_context.synic_message_page, 0,
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sizeof(void *) * MAX_NUM_CPUS);
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if (!HvQueryHypervisorPresence()) {
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DPRINT_ERR(VMBUS, "No Windows hypervisor detected!!");
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@ -209,17 +210,17 @@ int HvInit(void)
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/*
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* We only support running on top of Hyper-V
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*/
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rdmsrl(HV_X64_MSR_GUEST_OS_ID, gHvContext.GuestId);
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rdmsrl(HV_X64_MSR_GUEST_OS_ID, hv_context.guestid);
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if (gHvContext.GuestId != 0) {
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if (hv_context.guestid != 0) {
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DPRINT_ERR(VMBUS, "Unknown guest id (0x%llx)!!",
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gHvContext.GuestId);
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hv_context.guestid);
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goto Cleanup;
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}
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/* Write our OS info */
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wrmsrl(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
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gHvContext.GuestId = HV_LINUX_GUEST_ID;
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hv_context.guestid = HV_LINUX_GUEST_ID;
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/* See if the hypercall page is already set */
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rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
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@ -250,28 +251,29 @@ int HvInit(void)
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goto Cleanup;
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}
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gHvContext.HypercallPage = virtAddr;
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hv_context.hypercall_page = virtAddr;
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DPRINT_INFO(VMBUS, "Hypercall page VA=%p, PA=0x%0llx",
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gHvContext.HypercallPage,
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hv_context.hypercall_page,
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(u64)hypercallMsr.guest_physical_address << PAGE_SHIFT);
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/* Setup the global signal event param for the signal event hypercall */
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gHvContext.SignalEventBuffer =
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hv_context.signal_event_buffer =
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kmalloc(sizeof(struct hv_input_signal_event_buffer),
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GFP_KERNEL);
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if (!gHvContext.SignalEventBuffer)
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if (!hv_context.signal_event_buffer)
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goto Cleanup;
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gHvContext.SignalEventParam =
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hv_context.signal_event_param =
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(struct hv_input_signal_event *)
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(ALIGN_UP((unsigned long)gHvContext.SignalEventBuffer,
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(ALIGN_UP((unsigned long)
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hv_context.signal_event_buffer,
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HV_HYPERCALL_PARAM_ALIGN));
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gHvContext.SignalEventParam->connectionid.asu32 = 0;
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gHvContext.SignalEventParam->connectionid.u.id =
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hv_context.signal_event_param->connectionid.asu32 = 0;
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hv_context.signal_event_param->connectionid.u.id =
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VMBUS_EVENT_CONNECTION_ID;
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gHvContext.SignalEventParam->flag_number = 0;
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gHvContext.SignalEventParam->rsvdz = 0;
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hv_context.signal_event_param->flag_number = 0;
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hv_context.signal_event_param->rsvdz = 0;
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return ret;
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@ -297,15 +299,15 @@ void HvCleanup(void)
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{
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union hv_x64_msr_hypercall_contents hypercallMsr;
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kfree(gHvContext.SignalEventBuffer);
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gHvContext.SignalEventBuffer = NULL;
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gHvContext.SignalEventParam = NULL;
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kfree(hv_context.signal_event_buffer);
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hv_context.signal_event_buffer = NULL;
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hv_context.signal_event_param = NULL;
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if (gHvContext.HypercallPage) {
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if (hv_context.hypercall_page) {
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hypercallMsr.as_uint64 = 0;
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wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
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vfree(gHvContext.HypercallPage);
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gHvContext.HypercallPage = NULL;
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vfree(hv_context.hypercall_page);
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hv_context.hypercall_page = NULL;
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}
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}
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@ -359,7 +361,8 @@ u16 HvSignalEvent(void)
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{
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u16 status;
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status = HvDoHypercall(HVCALL_SIGNAL_EVENT, gHvContext.SignalEventParam,
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status = HvDoHypercall(HVCALL_SIGNAL_EVENT,
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hv_context.signal_event_param,
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NULL) & 0xFFFF;
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return status;
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}
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@ -382,7 +385,7 @@ void HvSynicInit(void *irqarg)
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u32 irqVector = *((u32 *)(irqarg));
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int cpu = smp_processor_id();
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if (!gHvContext.HypercallPage)
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if (!hv_context.hypercall_page)
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return;
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/* Check the version */
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@ -390,17 +393,19 @@ void HvSynicInit(void *irqarg)
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DPRINT_INFO(VMBUS, "SynIC version: %llx", version);
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gHvContext.synICMessagePage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
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hv_context.synic_message_page[cpu] =
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(void *)get_zeroed_page(GFP_ATOMIC);
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if (gHvContext.synICMessagePage[cpu] == NULL) {
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if (hv_context.synic_message_page[cpu] == NULL) {
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DPRINT_ERR(VMBUS,
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"unable to allocate SYNIC message page!!");
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goto Cleanup;
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}
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gHvContext.synICEventPage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
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hv_context.synic_event_page[cpu] =
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(void *)get_zeroed_page(GFP_ATOMIC);
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if (gHvContext.synICEventPage[cpu] == NULL) {
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if (hv_context.synic_event_page[cpu] == NULL) {
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DPRINT_ERR(VMBUS,
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"unable to allocate SYNIC event page!!");
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goto Cleanup;
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@ -409,7 +414,7 @@ void HvSynicInit(void *irqarg)
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/* Setup the Synic's message page */
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rdmsrl(HV_X64_MSR_SIMP, simp.as_uint64);
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simp.simp_enabled = 1;
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simp.base_simp_gpa = virt_to_phys(gHvContext.synICMessagePage[cpu])
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simp.base_simp_gpa = virt_to_phys(hv_context.synic_message_page[cpu])
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>> PAGE_SHIFT;
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DPRINT_DBG(VMBUS, "HV_X64_MSR_SIMP msr set to: %llx", simp.as_uint64);
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@ -419,7 +424,7 @@ void HvSynicInit(void *irqarg)
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/* Setup the Synic's event page */
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rdmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64);
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siefp.siefp_enabled = 1;
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siefp.base_siefp_gpa = virt_to_phys(gHvContext.synICEventPage[cpu])
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siefp.base_siefp_gpa = virt_to_phys(hv_context.synic_event_page[cpu])
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>> PAGE_SHIFT;
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DPRINT_DBG(VMBUS, "HV_X64_MSR_SIEFP msr set to: %llx", siefp.as_uint64);
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@ -449,15 +454,15 @@ void HvSynicInit(void *irqarg)
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wrmsrl(HV_X64_MSR_SCONTROL, sctrl.as_uint64);
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gHvContext.SynICInitialized = true;
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hv_context.synic_initialized = true;
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return;
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Cleanup:
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if (gHvContext.synICEventPage[cpu])
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osd_PageFree(gHvContext.synICEventPage[cpu], 1);
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if (hv_context.synic_event_page[cpu])
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osd_PageFree(hv_context.synic_event_page[cpu], 1);
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if (gHvContext.synICMessagePage[cpu])
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osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
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if (hv_context.synic_message_page[cpu])
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osd_PageFree(hv_context.synic_message_page[cpu], 1);
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return;
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}
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@ -471,7 +476,7 @@ void HvSynicCleanup(void *arg)
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union hv_synic_siefp siefp;
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int cpu = smp_processor_id();
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if (!gHvContext.SynICInitialized)
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if (!hv_context.synic_initialized)
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return;
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rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.as_uint64);
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wrmsrl(HV_X64_MSR_SIEFP, siefp.as_uint64);
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osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
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osd_PageFree(gHvContext.synICEventPage[cpu], 1);
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osd_PageFree(hv_context.synic_message_page[cpu], 1);
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osd_PageFree(hv_context.synic_event_page[cpu], 1);
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}
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@ -92,33 +92,33 @@ static const struct hv_guid VMBUS_SERVICE_ID = {
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struct hv_input_signal_event_buffer {
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u64 Align8;
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struct hv_input_signal_event Event;
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u64 align8;
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struct hv_input_signal_event event;
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};
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struct hv_context {
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/* We only support running on top of Hyper-V
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* So at this point this really can only contain the Hyper-V ID
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*/
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u64 GuestId;
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u64 guestid;
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void *HypercallPage;
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void *hypercall_page;
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bool SynICInitialized;
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bool synic_initialized;
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/*
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* This is used as an input param to HvCallSignalEvent hypercall. The
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* input param is immutable in our usage and must be dynamic mem (vs
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* stack or global). */
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struct hv_input_signal_event_buffer *SignalEventBuffer;
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struct hv_input_signal_event_buffer *signal_event_buffer;
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/* 8-bytes aligned of the buffer above */
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struct hv_input_signal_event *SignalEventParam;
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struct hv_input_signal_event *signal_event_param;
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void *synICMessagePage[MAX_NUM_CPUS];
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void *synICEventPage[MAX_NUM_CPUS];
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void *synic_message_page[MAX_NUM_CPUS];
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void *synic_event_page[MAX_NUM_CPUS];
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};
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extern struct hv_context gHvContext;
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extern struct hv_context hv_context;
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/* Hv Interface */
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@ -147,7 +147,7 @@ static void VmbusOnCleanup(struct hv_driver *drv)
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static void VmbusOnMsgDPC(struct hv_driver *drv)
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{
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int cpu = smp_processor_id();
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void *page_addr = gHvContext.synICMessagePage[cpu];
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void *page_addr = hv_context.synic_message_page[cpu];
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struct hv_message *msg = (struct hv_message *)page_addr +
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VMBUS_MESSAGE_SINT;
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struct hv_message *copied;
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@ -208,7 +208,7 @@ static int VmbusOnISR(struct hv_driver *drv)
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struct hv_message *msg;
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union hv_synic_event_flags *event;
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page_addr = gHvContext.synICMessagePage[cpu];
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page_addr = hv_context.synic_message_page[cpu];
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msg = (struct hv_message *)page_addr + VMBUS_MESSAGE_SINT;
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/* Check if there are actual msgs to be process */
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@ -220,7 +220,7 @@ static int VmbusOnISR(struct hv_driver *drv)
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}
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/* TODO: Check if there are events to be process */
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page_addr = gHvContext.synICEventPage[cpu];
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page_addr = hv_context.synic_event_page[cpu];
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event = (union hv_synic_event_flags *)page_addr + VMBUS_MESSAGE_SINT;
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/* Since we are a child, we only need to check bit 0 */
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