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Staging: hv: osd: remove physical address wrapper functions 

Use the real functions the kernel provides, so that people can see what
is actually going on in the code easier.

Cc: Bill Pemberton <wfp5p@virginia.edu>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2009-07-29 15:39:27 -07:00
parent 4a66384567
commit fa56d361b0
7 changed files with 23 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/staging/hv/Channel.c
View File

@ -416,7 +416,7 @@ VmbusChannelCreateGpadlHeader(
ASSERT( (Size & (PAGE_SIZE-1)) == 0);
pageCount = Size >> PAGE_SHIFT;
pfn = GetPhysicalAddress(Kbuffer) >> PAGE_SHIFT;
pfn = virt_to_phys(Kbuffer) >> PAGE_SHIFT;
/* do we need a gpadl body msg */
pfnSize = MAX_SIZE_CHANNEL_MESSAGE - sizeof(VMBUS_CHANNEL_GPADL_HEADER) - sizeof(GPA_RANGE);

6
drivers/staging/hv/Connection.c
View File

@ -110,9 +110,9 @@ VmbusConnect(void)
msg->Header.MessageType = ChannelMessageInitiateContact;
msg->VMBusVersionRequested = VMBUS_REVISION_NUMBER;
msg->InterruptPage = GetPhysicalAddress(gVmbusConnection.InterruptPage);
msg->MonitorPage1 = GetPhysicalAddress(gVmbusConnection.MonitorPages);
msg->MonitorPage2 = GetPhysicalAddress((void *)((unsigned long)gVmbusConnection.MonitorPages + PAGE_SIZE));
msg->InterruptPage = virt_to_phys(gVmbusConnection.InterruptPage);
msg->MonitorPage1 = virt_to_phys(gVmbusConnection.MonitorPages);
msg->MonitorPage2 = virt_to_phys((void *)((unsigned long)gVmbusConnection.MonitorPages + PAGE_SIZE));
/*
* Add to list before we send the request since we may

21
drivers/staging/hv/Hv.c
View File

@ -22,6 +22,7 @@
*/
#include <linux/vmalloc.h>
#include <asm/io.h>
#include "include/logging.h"
#include "VmbusPrivate.h"
@ -166,8 +167,8 @@ HvDoHypercall (
{
#ifdef CONFIG_X86_64
u64 hvStatus=0;
u64 inputAddress = (Input)? GetPhysicalAddress(Input) : 0;
u64 outputAddress = (Output)? GetPhysicalAddress(Output) : 0;
u64 inputAddress = (Input)? virt_to_phys(Input) : 0;
u64 outputAddress = (Output)? virt_to_phys(Output) : 0;
volatile void* hypercallPage = gHvContext.HypercallPage;
DPRINT_DBG(VMBUS, "Hypercall <control %llx input phys %llx virt %p output phys %llx virt %p hypercall %p>",
@ -191,10 +192,10 @@ HvDoHypercall (
u32 controlLo = Control & 0xFFFFFFFF;
u32 hvStatusHi = 1;
u32 hvStatusLo = 1;
u64 inputAddress = (Input) ? GetPhysicalAddress(Input) : 0;
u64 inputAddress = (Input) ? virt_to_phys(Input) : 0;
u32 inputAddressHi = inputAddress >> 32;
u32 inputAddressLo = inputAddress & 0xFFFFFFFF;
u64 outputAddress = (Output) ?GetPhysicalAddress(Output) : 0;
u64 outputAddress = (Output) ? virt_to_phys(Output) : 0;
u32 outputAddressHi = outputAddress >> 32;
u32 outputAddressLo = outputAddress & 0xFFFFFFFF;
volatile void* hypercallPage = gHvContext.HypercallPage;
@ -276,8 +277,8 @@ HvInit (
}
hypercallMsr.Enable = 1;
/* hypercallMsr.GuestPhysicalAddress = Logical2PhysicalAddr(virtAddr) >> PAGE_SHIFT; */
hypercallMsr.GuestPhysicalAddress = Virtual2Physical(virtAddr) >> PAGE_SHIFT;
/* hypercallMsr.GuestPhysicalAddress = virt_to_phys(virtAddr) >> PAGE_SHIFT; */
hypercallMsr.GuestPhysicalAddress = vmalloc_to_pfn(virtAddr);
WriteMsr(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
/* Confirm that hypercall page did get setup. */
@ -507,8 +508,8 @@ HvSynicInit (
if (guestID == HV_LINUX_GUEST_ID)
{
gHvContext.synICMessagePage[0] = GetVirtualAddress(simp.BaseSimpGpa << PAGE_SHIFT);
gHvContext.synICEventPage[0] = GetVirtualAddress(siefp.BaseSiefpGpa << PAGE_SHIFT);
gHvContext.synICMessagePage[0] = phys_to_virt(simp.BaseSimpGpa << PAGE_SHIFT);
gHvContext.synICEventPage[0] = phys_to_virt(siefp.BaseSiefpGpa << PAGE_SHIFT);
}
else
{
@ -536,7 +537,7 @@ HvSynicInit (
/* Setup the Synic's message page */
simp.AsUINT64 = ReadMsr(HV_X64_MSR_SIMP);
simp.SimpEnabled = 1;
simp.BaseSimpGpa = GetPhysicalAddress(gHvContext.synICMessagePage[0]) >> PAGE_SHIFT;
simp.BaseSimpGpa = virt_to_phys(gHvContext.synICMessagePage[0]) >> PAGE_SHIFT;
DPRINT_DBG(VMBUS, "HV_X64_MSR_SIMP msr set to: %llx", simp.AsUINT64);
@ -545,7 +546,7 @@ HvSynicInit (
/* Setup the Synic's event page */
siefp.AsUINT64 = ReadMsr(HV_X64_MSR_SIEFP);
siefp.SiefpEnabled = 1;
siefp.BaseSiefpGpa = GetPhysicalAddress(gHvContext.synICEventPage[0]) >> PAGE_SHIFT;
siefp.BaseSiefpGpa = virt_to_phys(gHvContext.synICEventPage[0]) >> PAGE_SHIFT;
DPRINT_DBG(VMBUS, "HV_X64_MSR_SIEFP msr set to: %llx", siefp.AsUINT64);

7
drivers/staging/hv/NetVsc.c
View File

@ -23,6 +23,7 @@
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/delay.h>
#include <asm/io.h>
#include "include/logging.h"
#include "NetVsc.h"
#include "RndisFilter.h"
@ -1241,13 +1242,13 @@ NetVscOnReceive(
netvscPacket->PageBuffers[0].Length = vmxferpagePacket->Ranges[i].ByteCount;
start = GetPhysicalAddress((void*)((unsigned long)netDevice->ReceiveBuffer + vmxferpagePacket->Ranges[i].ByteOffset));
start = virt_to_phys((void*)((unsigned long)netDevice->ReceiveBuffer + vmxferpagePacket->Ranges[i].ByteOffset));
netvscPacket->PageBuffers[0].Pfn = start >> PAGE_SHIFT;
endVirtual = (unsigned long)netDevice->ReceiveBuffer
+ vmxferpagePacket->Ranges[i].ByteOffset
+ vmxferpagePacket->Ranges[i].ByteCount -1;
end = GetPhysicalAddress((void*)endVirtual);
end = virt_to_phys((void*)endVirtual);
/* Calculate the page relative offset */
netvscPacket->PageBuffers[0].Offset = vmxferpagePacket->Ranges[i].ByteOffset & (PAGE_SIZE -1);
@ -1266,7 +1267,7 @@ NetVscOnReceive(
bytesRemain -= PAGE_SIZE;
}
netvscPacket->PageBuffers[j].Pfn =
GetPhysicalAddress((void*)(endVirtual - bytesRemain)) >> PAGE_SHIFT;
virt_to_phys((void*)(endVirtual - bytesRemain)) >> PAGE_SHIFT;
netvscPacket->PageBufferCount++;
if (bytesRemain == 0)
break;

5
drivers/staging/hv/RndisFilter.c
View File

@ -24,6 +24,7 @@
#include <linux/kernel.h>
#include <linux/highmem.h>
#include <asm/kmap_types.h>
#include <asm/io.h>
#include "include/logging.h"
@ -358,7 +359,7 @@ RndisFilterSendRequest(
packet->TotalDataBufferLength = Request->RequestMessage.MessageLength;
packet->PageBufferCount = 1;
packet->PageBuffers[0].Pfn = GetPhysicalAddress(&Request->RequestMessage) >> PAGE_SHIFT;
packet->PageBuffers[0].Pfn = virt_to_phys(&Request->RequestMessage) >> PAGE_SHIFT;
packet->PageBuffers[0].Length = Request->RequestMessage.MessageLength;
packet->PageBuffers[0].Offset = (unsigned long)&Request->RequestMessage & (PAGE_SIZE -1);
@ -1110,7 +1111,7 @@ RndisFilterOnSend(
rndisPacket->DataLength = Packet->TotalDataBufferLength;
Packet->IsDataPacket = true;
Packet->PageBuffers[0].Pfn = GetPhysicalAddress(rndisMessage) >> PAGE_SHIFT;
Packet->PageBuffers[0].Pfn = virt_to_phys(rndisMessage) >> PAGE_SHIFT;
Packet->PageBuffers[0].Offset = (unsigned long)rndisMessage & (PAGE_SIZE-1);
Packet->PageBuffers[0].Length = rndisMessageSize;

8
drivers/staging/hv/include/osd.h
View File

@ -89,14 +89,6 @@ extern int WaitEventWait(struct osd_waitevent *waitEvent);
extern int WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs);
#define GetVirtualAddress Physical2LogicalAddr
void* Physical2LogicalAddr(unsigned long PhysAddr);
#define GetPhysicalAddress Logical2PhysicalAddr
unsigned long Logical2PhysicalAddr(void * LogicalAddr);
unsigned long Virtual2Physical(void * VirtAddr);
int osd_schedule_callback(struct workqueue_struct *wq,
void (*func)(void *),
void *data);

23
drivers/staging/hv/osd.c
View File

@ -90,7 +90,7 @@ void PageFree(void* page, unsigned int count)
void *MemMapIO(unsigned long phys, unsigned long size)
{
return (void*)GetVirtualAddress(phys); /* return ioremap_nocache(phys, size); */
return (void*)phys_to_virt(phys); /* return ioremap_nocache(phys, size); */
}
void MemUnmapIO(void *virt)
@ -180,27 +180,6 @@ int WaitEventWaitEx(struct osd_waitevent *waitEvent, u32 TimeoutInMs)
return ret;
}
void* Physical2LogicalAddr(unsigned long PhysAddr)
{
void* logicalAddr = phys_to_virt(PhysAddr);
BUG_ON(!virt_addr_valid(logicalAddr));
return logicalAddr;
}
unsigned long Logical2PhysicalAddr(void * LogicalAddr)
{
BUG_ON(!virt_addr_valid(LogicalAddr));
return virt_to_phys(LogicalAddr);
}
unsigned long Virtual2Physical(void * VirtAddr)
{
unsigned long pfn = vmalloc_to_pfn(VirtAddr);
return pfn << PAGE_SHIFT;
}
static void osd_callback_work(struct work_struct *work)
{
struct osd_callback_struct *cb = container_of(work,