diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 11:41:11 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-02 11:41:11 -0800 |
commit | 597b0d21626da4e6f09f132442caf0cc2b0eb47c (patch) | |
tree | 13c0074bb20f7b05a471e78d4ff52c665a10266a /arch/x86/include/asm/mtrr.h | |
parent | 2640c9a90fa596871e142f42052608864335f102 (diff) | |
parent | 87917239204d67a316cb89751750f86c9ed3640b (diff) |
Merge branch 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm
* 'kvm-updates/2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm: (140 commits)
KVM: MMU: handle large host sptes on invlpg/resync
KVM: Add locking to virtual i8259 interrupt controller
KVM: MMU: Don't treat a global pte as such if cr4.pge is cleared
MAINTAINERS: Maintainership changes for kvm/ia64
KVM: ia64: Fix kvm_arch_vcpu_ioctl_[gs]et_regs()
KVM: x86: Rework user space NMI injection as KVM_CAP_USER_NMI
KVM: VMX: Fix pending NMI-vs.-IRQ race for user space irqchip
KVM: fix handling of ACK from shared guest IRQ
KVM: MMU: check for present pdptr shadow page in walk_shadow
KVM: Consolidate userspace memory capability reporting into common code
KVM: Advertise the bug in memory region destruction as fixed
KVM: use cpumask_var_t for cpus_hardware_enabled
KVM: use modern cpumask primitives, no cpumask_t on stack
KVM: Extract core of kvm_flush_remote_tlbs/kvm_reload_remote_mmus
KVM: set owner of cpu and vm file operations
anon_inodes: use fops->owner for module refcount
x86: KVM guest: kvm_get_tsc_khz: return khz, not lpj
KVM: MMU: prepopulate the shadow on invlpg
KVM: MMU: skip global pgtables on sync due to cr3 switch
KVM: MMU: collapse remote TLB flushes on root sync
...
Diffstat (limited to 'arch/x86/include/asm/mtrr.h')
-rw-r--r-- | arch/x86/include/asm/mtrr.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mtrr.h b/arch/x86/include/asm/mtrr.h index 7c1e4258b31e..cb988aab716d 100644 --- a/arch/x86/include/asm/mtrr.h +++ b/arch/x86/include/asm/mtrr.h @@ -57,6 +57,31 @@ struct mtrr_gentry { }; #endif /* !__i386__ */ +struct mtrr_var_range { + u32 base_lo; + u32 base_hi; + u32 mask_lo; + u32 mask_hi; +}; + +/* In the Intel processor's MTRR interface, the MTRR type is always held in + an 8 bit field: */ +typedef u8 mtrr_type; + +#define MTRR_NUM_FIXED_RANGES 88 +#define MTRR_MAX_VAR_RANGES 256 + +struct mtrr_state_type { + struct mtrr_var_range var_ranges[MTRR_MAX_VAR_RANGES]; + mtrr_type fixed_ranges[MTRR_NUM_FIXED_RANGES]; + unsigned char enabled; + unsigned char have_fixed; + mtrr_type def_type; +}; + +#define MTRRphysBase_MSR(reg) (0x200 + 2 * (reg)) +#define MTRRphysMask_MSR(reg) (0x200 + 2 * (reg) + 1) + /* These are the various ioctls */ #define MTRRIOC_ADD_ENTRY _IOW(MTRR_IOCTL_BASE, 0, struct mtrr_sentry) #define MTRRIOC_SET_ENTRY _IOW(MTRR_IOCTL_BASE, 1, struct mtrr_sentry) |