forked from luck/tmp_suning_uos_patched
staging: hv: Convert camel cased local variables in hv.c to lower cases
staging: hv: Convert camel cased local variables in hv.c 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>
This commit is contained in:
Haiyang Zhang
Greg Kroah-Hartman
parent
6a0aaa1850
commit
b8dfb264f4
@ -65,7 +65,7 @@ static int HvQueryHypervisorInfo(void)
|
||||
unsigned int ebx;
|
||||
unsigned int ecx;
|
||||
unsigned int edx;
|
||||
unsigned int maxLeaf;
|
||||
unsigned int max_leaf;
|
||||
unsigned int op;
|
||||
|
||||
/*
|
||||
@ -93,7 +93,7 @@ static int HvQueryHypervisorInfo(void)
|
||||
((edx >> 16) & 0xFF),
|
||||
((edx >> 24) & 0xFF));
|
||||
|
||||
maxLeaf = eax;
|
||||
max_leaf = eax;
|
||||
eax = 0;
|
||||
ebx = 0;
|
||||
ecx = 0;
|
||||
@ -107,7 +107,7 @@ static int HvQueryHypervisorInfo(void)
|
||||
((eax >> 16) & 0xFF),
|
||||
((eax >> 24) & 0xFF));
|
||||
|
||||
if (maxLeaf >= HVCPUID_VERSION) {
|
||||
if (max_leaf >= HVCPUID_VERSION) {
|
||||
eax = 0;
|
||||
ebx = 0;
|
||||
ecx = 0;
|
||||
@ -122,61 +122,61 @@ static int HvQueryHypervisorInfo(void)
|
||||
edx >> 24,
|
||||
edx & 0xFFFFFF);
|
||||
}
|
||||
return maxLeaf;
|
||||
return max_leaf;
|
||||
}
|
||||
|
||||
/*
|
||||
* HvDoHypercall - Invoke the specified hypercall
|
||||
*/
|
||||
static u64 HvDoHypercall(u64 Control, void *Input, void *Output)
|
||||
static u64 HvDoHypercall(u64 control, void *input, void *output)
|
||||
{
|
||||
#ifdef CONFIG_X86_64
|
||||
u64 hvStatus = 0;
|
||||
u64 inputAddress = (Input) ? virt_to_phys(Input) : 0;
|
||||
u64 outputAddress = (Output) ? virt_to_phys(Output) : 0;
|
||||
volatile void *hypercallPage = hv_context.hypercall_page;
|
||||
u64 hv_status = 0;
|
||||
u64 input_address = (input) ? virt_to_phys(input) : 0;
|
||||
u64 output_address = (output) ? virt_to_phys(output) : 0;
|
||||
volatile void *hypercall_page = hv_context.hypercall_page;
|
||||
|
||||
DPRINT_DBG(VMBUS, "Hypercall <control %llx input phys %llx virt %p "
|
||||
"output phys %llx virt %p hypercall %p>",
|
||||
Control, inputAddress, Input,
|
||||
outputAddress, Output, hypercallPage);
|
||||
control, input_address, input,
|
||||
output_address, output, hypercall_page);
|
||||
|
||||
__asm__ __volatile__("mov %0, %%r8" : : "r" (outputAddress) : "r8");
|
||||
__asm__ __volatile__("call *%3" : "=a" (hvStatus) :
|
||||
"c" (Control), "d" (inputAddress),
|
||||
"m" (hypercallPage));
|
||||
__asm__ __volatile__("mov %0, %%r8" : : "r" (output_address) : "r8");
|
||||
__asm__ __volatile__("call *%3" : "=a" (hv_status) :
|
||||
"c" (control), "d" (input_address),
|
||||
"m" (hypercall_page));
|
||||
|
||||
DPRINT_DBG(VMBUS, "Hypercall <return %llx>", hvStatus);
|
||||
DPRINT_DBG(VMBUS, "Hypercall <return %llx>", hv_status);
|
||||
|
||||
return hvStatus;
|
||||
return hv_status;
|
||||
|
||||
#else
|
||||
|
||||
u32 controlHi = Control >> 32;
|
||||
u32 controlLo = Control & 0xFFFFFFFF;
|
||||
u32 hvStatusHi = 1;
|
||||
u32 hvStatusLo = 1;
|
||||
u64 inputAddress = (Input) ? virt_to_phys(Input) : 0;
|
||||
u32 inputAddressHi = inputAddress >> 32;
|
||||
u32 inputAddressLo = inputAddress & 0xFFFFFFFF;
|
||||
u64 outputAddress = (Output) ? virt_to_phys(Output) : 0;
|
||||
u32 outputAddressHi = outputAddress >> 32;
|
||||
u32 outputAddressLo = outputAddress & 0xFFFFFFFF;
|
||||
volatile void *hypercallPage = hv_context.hypercall_page;
|
||||
u32 control_hi = control >> 32;
|
||||
u32 control_lo = control & 0xFFFFFFFF;
|
||||
u32 hv_status_hi = 1;
|
||||
u32 hv_status_lo = 1;
|
||||
u64 input_address = (input) ? virt_to_phys(input) : 0;
|
||||
u32 input_address_hi = input_address >> 32;
|
||||
u32 input_address_lo = input_address & 0xFFFFFFFF;
|
||||
u64 output_address = (output) ? virt_to_phys(output) : 0;
|
||||
u32 output_address_hi = output_address >> 32;
|
||||
u32 output_address_lo = output_address & 0xFFFFFFFF;
|
||||
volatile void *hypercall_page = hv_context.hypercall_page;
|
||||
|
||||
DPRINT_DBG(VMBUS, "Hypercall <control %llx input %p output %p>",
|
||||
Control, Input, Output);
|
||||
control, input, output);
|
||||
|
||||
__asm__ __volatile__ ("call *%8" : "=d"(hvStatusHi),
|
||||
"=a"(hvStatusLo) : "d" (controlHi),
|
||||
"a" (controlLo), "b" (inputAddressHi),
|
||||
"c" (inputAddressLo), "D"(outputAddressHi),
|
||||
"S"(outputAddressLo), "m" (hypercallPage));
|
||||
__asm__ __volatile__ ("call *%8" : "=d"(hv_status_hi),
|
||||
"=a"(hv_status_lo) : "d" (control_hi),
|
||||
"a" (control_lo), "b" (input_address_hi),
|
||||
"c" (input_address_lo), "D"(output_address_hi),
|
||||
"S"(output_address_lo), "m" (hypercall_page));
|
||||
|
||||
DPRINT_DBG(VMBUS, "Hypercall <return %llx>",
|
||||
hvStatusLo | ((u64)hvStatusHi << 32));
|
||||
hv_status_lo | ((u64)hv_status_hi << 32));
|
||||
|
||||
return hvStatusLo | ((u64)hvStatusHi << 32);
|
||||
return hv_status_lo | ((u64)hv_status_hi << 32);
|
||||
#endif /* !x86_64 */
|
||||
}
|
||||
|
||||
@ -188,9 +188,9 @@ static u64 HvDoHypercall(u64 Control, void *Input, void *Output)
|
||||
int HvInit(void)
|
||||
{
|
||||
int ret = 0;
|
||||
int maxLeaf;
|
||||
union hv_x64_msr_hypercall_contents hypercallMsr;
|
||||
void *virtAddr = NULL;
|
||||
int max_leaf;
|
||||
union hv_x64_msr_hypercall_contents hypercall_msr;
|
||||
void *virtaddr = NULL;
|
||||
|
||||
memset(hv_context.synic_event_page, 0, sizeof(void *) * MAX_NUM_CPUS);
|
||||
memset(hv_context.synic_message_page, 0,
|
||||
@ -204,7 +204,7 @@ int HvInit(void)
|
||||
DPRINT_INFO(VMBUS,
|
||||
"Windows hypervisor detected! Retrieving more info...");
|
||||
|
||||
maxLeaf = HvQueryHypervisorInfo();
|
||||
max_leaf = HvQueryHypervisorInfo();
|
||||
/* HvQueryHypervisorFeatures(maxLeaf); */
|
||||
|
||||
/*
|
||||
@ -223,39 +223,39 @@ int HvInit(void)
|
||||
hv_context.guestid = HV_LINUX_GUEST_ID;
|
||||
|
||||
/* See if the hypercall page is already set */
|
||||
rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
|
||||
rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
|
||||
|
||||
/*
|
||||
* Allocate the hypercall page memory
|
||||
* virtAddr = osd_PageAlloc(1);
|
||||
* virtaddr = osd_PageAlloc(1);
|
||||
*/
|
||||
virtAddr = osd_VirtualAllocExec(PAGE_SIZE);
|
||||
virtaddr = osd_VirtualAllocExec(PAGE_SIZE);
|
||||
|
||||
if (!virtAddr) {
|
||||
if (!virtaddr) {
|
||||
DPRINT_ERR(VMBUS,
|
||||
"unable to allocate hypercall page!!");
|
||||
goto Cleanup;
|
||||
}
|
||||
|
||||
hypercallMsr.enable = 1;
|
||||
hypercall_msr.enable = 1;
|
||||
|
||||
hypercallMsr.guest_physical_address = vmalloc_to_pfn(virtAddr);
|
||||
wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
|
||||
hypercall_msr.guest_physical_address = vmalloc_to_pfn(virtaddr);
|
||||
wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
|
||||
|
||||
/* Confirm that hypercall page did get setup. */
|
||||
hypercallMsr.as_uint64 = 0;
|
||||
rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
|
||||
hypercall_msr.as_uint64 = 0;
|
||||
rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
|
||||
|
||||
if (!hypercallMsr.enable) {
|
||||
if (!hypercall_msr.enable) {
|
||||
DPRINT_ERR(VMBUS, "unable to set hypercall page!!");
|
||||
goto Cleanup;
|
||||
}
|
||||
|
||||
hv_context.hypercall_page = virtAddr;
|
||||
hv_context.hypercall_page = virtaddr;
|
||||
|
||||
DPRINT_INFO(VMBUS, "Hypercall page VA=%p, PA=0x%0llx",
|
||||
hv_context.hypercall_page,
|
||||
(u64)hypercallMsr.guest_physical_address << PAGE_SHIFT);
|
||||
(u64)hypercall_msr.guest_physical_address << PAGE_SHIFT);
|
||||
|
||||
/* Setup the global signal event param for the signal event hypercall */
|
||||
hv_context.signal_event_buffer =
|
||||
@ -278,13 +278,13 @@ int HvInit(void)
|
||||
return ret;
|
||||
|
||||
Cleanup:
|
||||
if (virtAddr) {
|
||||
if (hypercallMsr.enable) {
|
||||
hypercallMsr.as_uint64 = 0;
|
||||
wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
|
||||
if (virtaddr) {
|
||||
if (hypercall_msr.enable) {
|
||||
hypercall_msr.as_uint64 = 0;
|
||||
wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
|
||||
}
|
||||
|
||||
vfree(virtAddr);
|
||||
vfree(virtaddr);
|
||||
}
|
||||
ret = -1;
|
||||
return ret;
|
||||
@ -297,15 +297,15 @@ int HvInit(void)
|
||||
*/
|
||||
void HvCleanup(void)
|
||||
{
|
||||
union hv_x64_msr_hypercall_contents hypercallMsr;
|
||||
union hv_x64_msr_hypercall_contents hypercall_msr;
|
||||
|
||||
kfree(hv_context.signal_event_buffer);
|
||||
hv_context.signal_event_buffer = NULL;
|
||||
hv_context.signal_event_param = NULL;
|
||||
|
||||
if (hv_context.hypercall_page) {
|
||||
hypercallMsr.as_uint64 = 0;
|
||||
wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.as_uint64);
|
||||
hypercall_msr.as_uint64 = 0;
|
||||
wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);
|
||||
vfree(hv_context.hypercall_page);
|
||||
hv_context.hypercall_page = NULL;
|
||||
}
|
||||
@ -316,35 +316,35 @@ void HvCleanup(void)
|
||||
*
|
||||
* This involves a hypercall.
|
||||
*/
|
||||
u16 HvPostMessage(union hv_connection_id connectionId,
|
||||
enum hv_message_type messageType,
|
||||
void *payload, size_t payloadSize)
|
||||
u16 HvPostMessage(union hv_connection_id connection_id,
|
||||
enum hv_message_type message_type,
|
||||
void *payload, size_t payload_size)
|
||||
{
|
||||
struct alignedInput {
|
||||
struct aligned_input {
|
||||
u64 alignment8;
|
||||
struct hv_input_post_message msg;
|
||||
};
|
||||
|
||||
struct hv_input_post_message *alignedMsg;
|
||||
struct hv_input_post_message *aligned_msg;
|
||||
u16 status;
|
||||
unsigned long addr;
|
||||
|
||||
if (payloadSize > HV_MESSAGE_PAYLOAD_BYTE_COUNT)
|
||||
if (payload_size > HV_MESSAGE_PAYLOAD_BYTE_COUNT)
|
||||
return -1;
|
||||
|
||||
addr = (unsigned long)kmalloc(sizeof(struct alignedInput), GFP_ATOMIC);
|
||||
addr = (unsigned long)kmalloc(sizeof(struct aligned_input), GFP_ATOMIC);
|
||||
if (!addr)
|
||||
return -1;
|
||||
|
||||
alignedMsg = (struct hv_input_post_message *)
|
||||
aligned_msg = (struct hv_input_post_message *)
|
||||
(ALIGN_UP(addr, HV_HYPERCALL_PARAM_ALIGN));
|
||||
|
||||
alignedMsg->connectionid = connectionId;
|
||||
alignedMsg->message_type = messageType;
|
||||
alignedMsg->payload_size = payloadSize;
|
||||
memcpy((void *)alignedMsg->payload, payload, payloadSize);
|
||||
aligned_msg->connectionid = connection_id;
|
||||
aligned_msg->message_type = message_type;
|
||||
aligned_msg->payload_size = payload_size;
|
||||
memcpy((void *)aligned_msg->payload, payload, payload_size);
|
||||
|
||||
status = HvDoHypercall(HVCALL_POST_MESSAGE, alignedMsg, NULL) & 0xFFFF;
|
||||
status = HvDoHypercall(HVCALL_POST_MESSAGE, aligned_msg, NULL) & 0xFFFF;
|
||||
|
||||
kfree((void *)addr);
|
||||
|
||||
@ -379,10 +379,10 @@ void HvSynicInit(void *irqarg)
|
||||
u64 version;
|
||||
union hv_synic_simp simp;
|
||||
union hv_synic_siefp siefp;
|
||||
union hv_synic_sint sharedSint;
|
||||
union hv_synic_sint shared_sint;
|
||||
union hv_synic_scontrol sctrl;
|
||||
|
||||
u32 irqVector = *((u32 *)(irqarg));
|
||||
u32 irq_vector = *((u32 *)(irqarg));
|
||||
int cpu = smp_processor_id();
|
||||
|
||||
if (!hv_context.hypercall_page)
|
||||
@ -436,17 +436,17 @@ void HvSynicInit(void *irqarg)
|
||||
/* interceptionSint.as_uint64); */
|
||||
|
||||
/* Setup the shared SINT. */
|
||||
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.as_uint64);
|
||||
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
|
||||
|
||||
sharedSint.as_uint64 = 0;
|
||||
sharedSint.vector = irqVector; /* HV_SHARED_SINT_IDT_VECTOR + 0x20; */
|
||||
sharedSint.masked = false;
|
||||
sharedSint.auto_eoi = true;
|
||||
shared_sint.as_uint64 = 0;
|
||||
shared_sint.vector = irq_vector; /* HV_SHARED_SINT_IDT_VECTOR + 0x20; */
|
||||
shared_sint.masked = false;
|
||||
shared_sint.auto_eoi = true;
|
||||
|
||||
DPRINT_DBG(VMBUS, "HV_X64_MSR_SINT1 msr set to: %llx",
|
||||
sharedSint.as_uint64);
|
||||
shared_sint.as_uint64);
|
||||
|
||||
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.as_uint64);
|
||||
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);
|
||||
@ -471,7 +471,7 @@ void HvSynicInit(void *irqarg)
|
||||
*/
|
||||
void HvSynicCleanup(void *arg)
|
||||
{
|
||||
union hv_synic_sint sharedSint;
|
||||
union hv_synic_sint shared_sint;
|
||||
union hv_synic_simp simp;
|
||||
union hv_synic_siefp siefp;
|
||||
int cpu = smp_processor_id();
|
||||
@ -479,13 +479,13 @@ void HvSynicCleanup(void *arg)
|
||||
if (!hv_context.synic_initialized)
|
||||
return;
|
||||
|
||||
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.as_uint64);
|
||||
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
|
||||
|
||||
sharedSint.masked = 1;
|
||||
shared_sint.masked = 1;
|
||||
|
||||
/* Need to correctly cleanup in the case of SMP!!! */
|
||||
/* Disable the interrupt */
|
||||
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.as_uint64);
|
||||
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
|
||||
|
||||
rdmsrl(HV_X64_MSR_SIMP, simp.as_uint64);
|
||||
simp.simp_enabled = 0;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user