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Staging: hv: remove ReadMsr and WriteMsr functions from Hv.h

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They aren't needed as wrappers.

Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2009-08-17 17:20:02 -07:00
parent e1415db7b6
commit a51ed7d65d
3 changed files with 27 additions and 51 deletions
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56
drivers/staging/hv/Hv.c
View file

@ -251,19 +251,17 @@ HvInit (
/* HvQueryHypervisorFeatures(maxLeaf); */
/* Determine if we are running on xenlinux (ie x2v shim) or native linux */
gHvContext.GuestId = ReadMsr(HV_X64_MSR_GUEST_OS_ID);
rdmsrl(HV_X64_MSR_GUEST_OS_ID, gHvContext.GuestId);
if (gHvContext.GuestId == 0)
{
/* Write our OS info */
WriteMsr(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
wrmsrl(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
gHvContext.GuestId = HV_LINUX_GUEST_ID;
}
/* See if the hypercall page is already set */
hypercallMsr.AsUINT64 = ReadMsr(HV_X64_MSR_HYPERCALL);
rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
if (gHvContext.GuestId == HV_LINUX_GUEST_ID)
{
/* Allocate the hypercall page memory */
@ -279,12 +277,11 @@ HvInit (
hypercallMsr.Enable = 1;
/* hypercallMsr.GuestPhysicalAddress = virt_to_phys(virtAddr) >> PAGE_SHIFT; */
hypercallMsr.GuestPhysicalAddress = vmalloc_to_pfn(virtAddr);
WriteMsr(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
/* Confirm that hypercall page did get setup. */
hypercallMsr.AsUINT64 = 0;
hypercallMsr.AsUINT64 = ReadMsr(HV_X64_MSR_HYPERCALL);
rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
if (!hypercallMsr.Enable)
{
DPRINT_ERR(VMBUS, "unable to set hypercall page!!");
@ -328,7 +325,7 @@ Cleanup:
if (hypercallMsr.Enable)
{
hypercallMsr.AsUINT64 = 0;
WriteMsr(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
}
vfree(virtAddr);
@ -370,7 +367,7 @@ HvCleanup (
if (gHvContext.HypercallPage)
{
hypercallMsr.AsUINT64 = 0;
WriteMsr(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
vfree(gHvContext.HypercallPage);
gHvContext.HypercallPage = NULL;
}
@ -489,7 +486,7 @@ HvSynicInit (
}
/* Check the version */
version = ReadMsr(HV_X64_MSR_SVERSION);
rdmsrl(HV_X64_MSR_SVERSION, version);
DPRINT_INFO(VMBUS, "SynIC version: %llx", version);
@ -498,14 +495,13 @@ HvSynicInit (
{
DPRINT_INFO(VMBUS, "Skipping SIMP and SIEFP setup since it is already set.");
simp.AsUINT64 = ReadMsr(HV_X64_MSR_SIMP);
siefp.AsUINT64 = ReadMsr(HV_X64_MSR_SIEFP);
rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
DPRINT_DBG(VMBUS, "Simp: %llx, Sifep: %llx", simp.AsUINT64, siefp.AsUINT64);
/* Determine if we are running on xenlinux (ie x2v shim) or native linux */
guestID = ReadMsr(HV_X64_MSR_GUEST_OS_ID);
rdmsrl(HV_X64_MSR_GUEST_OS_ID, guestID);
if (guestID == HV_LINUX_GUEST_ID)
{
gHvContext.synICMessagePage[0] = phys_to_virt(simp.BaseSimpGpa << PAGE_SHIFT);
@ -535,29 +531,29 @@ HvSynicInit (
}
/* Setup the Synic's message page */
simp.AsUINT64 = ReadMsr(HV_X64_MSR_SIMP);
rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
simp.SimpEnabled = 1;
simp.BaseSimpGpa = virt_to_phys(gHvContext.synICMessagePage[0]) >> PAGE_SHIFT;
DPRINT_DBG(VMBUS, "HV_X64_MSR_SIMP msr set to: %llx", simp.AsUINT64);
WriteMsr(HV_X64_MSR_SIMP, simp.AsUINT64);
wrmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
/* Setup the Synic's event page */
siefp.AsUINT64 = ReadMsr(HV_X64_MSR_SIEFP);
rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
siefp.SiefpEnabled = 1;
siefp.BaseSiefpGpa = virt_to_phys(gHvContext.synICEventPage[0]) >> PAGE_SHIFT;
DPRINT_DBG(VMBUS, "HV_X64_MSR_SIEFP msr set to: %llx", siefp.AsUINT64);
WriteMsr(HV_X64_MSR_SIEFP, siefp.AsUINT64);
wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
}
/* Setup the interception SINT. */
/* WriteMsr((HV_X64_MSR_SINT0 + HV_SYNIC_INTERCEPTION_SINT_INDEX), */
/* wrmsrl((HV_X64_MSR_SINT0 + HV_SYNIC_INTERCEPTION_SINT_INDEX), */
/* interceptionSint.AsUINT64); */
/* Setup the shared SINT. */
sharedSint.AsUINT64 = ReadMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT);
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
sharedSint.AsUINT64 = 0;
sharedSint.Vector = irqVector; /* HV_SHARED_SINT_IDT_VECTOR + 0x20; */
@ -566,13 +562,13 @@ HvSynicInit (
DPRINT_DBG(VMBUS, "HV_X64_MSR_SINT1 msr set to: %llx", sharedSint.AsUINT64);
WriteMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
/* Enable the global synic bit */
sctrl.AsUINT64 = ReadMsr(HV_X64_MSR_SCONTROL);
rdmsrl(HV_X64_MSR_SCONTROL, sctrl.AsUINT64);
sctrl.Enable = 1;
WriteMsr(HV_X64_MSR_SCONTROL, sctrl.AsUINT64);
wrmsrl(HV_X64_MSR_SCONTROL, sctrl.AsUINT64);
gHvContext.SynICInitialized = true;
@ -628,12 +624,12 @@ HvSynicCleanup(
return;
}
sharedSint.AsUINT64 = ReadMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT);
rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
sharedSint.Masked = 1;
/* Disable the interrupt */
WriteMsr(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
/*
* Disable and free the resources only if we are running as
@ -642,17 +638,17 @@ HvSynicCleanup(
*/
if (gHvContext.GuestId == HV_LINUX_GUEST_ID)
{
simp.AsUINT64 = ReadMsr(HV_X64_MSR_SIMP);
rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
simp.SimpEnabled = 0;
simp.BaseSimpGpa = 0;
WriteMsr(HV_X64_MSR_SIMP, simp.AsUINT64);
wrmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
siefp.AsUINT64 = ReadMsr(HV_X64_MSR_SIEFP);
rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
siefp.SiefpEnabled = 0;
siefp.BaseSiefpGpa = 0;
WriteMsr(HV_X64_MSR_SIEFP, siefp.AsUINT64);
wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
osd_PageFree(gHvContext.synICMessagePage[0], 1);
osd_PageFree(gHvContext.synICEventPage[0], 1);

20
drivers/staging/hv/Hv.h
View file

@ -126,26 +126,6 @@ typedef struct {
extern HV_CONTEXT gHvContext;
/* Inline routines */
static inline unsigned long long ReadMsr(int msr)
{
unsigned long long val;
rdmsrl(msr, val);
return val;
}
static inline void WriteMsr(int msr, u64 val)
{
wrmsrl(msr, val);
return;
}
/* Hv Interface */
static int

2
drivers/staging/hv/Vmbus.c
View file

@ -446,7 +446,7 @@ VmbusOnMsgDPC(
* possibly deliver another msg from the
* hypervisor
*/
WriteMsr(HV_X64_MSR_EOM, 0);
wrmsrl(HV_X64_MSR_EOM, 0);
}
}
}