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| author | Xiantao Zhang <xiantao.zhang@intel.com> | 2008-09-28 01:39:46 -0700 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-10-15 14:25:38 +0200 |
| commit | b010eb5103cfbe12ae6f08a4cdb3a748bf78c410 (patch) | |
| tree | e2b812000bbb1b13edb52667e42a8d04d4ad02e5 /arch/ia64/kvm/vcpu.h | |
| parent | 1cbea809c400661eecb538e0dd0bc4f3660f0a35 (diff) | |
| download | talos-op-linux-b010eb5103cfbe12ae6f08a4cdb3a748bf78c410.tar.gz talos-op-linux-b010eb5103cfbe12ae6f08a4cdb3a748bf78c410.zip | |
KVM: ia64: add directed mmio range support for kvm guests
Using vt-d, kvm guests can be assigned physcial devices, so
this patch introduce a new mmio type (directed mmio)
to handle its mmio access.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/ia64/kvm/vcpu.h')
| -rw-r--r-- | arch/ia64/kvm/vcpu.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/ia64/kvm/vcpu.h b/arch/ia64/kvm/vcpu.h index b0fcfb62c49e..341e3fee280c 100644 --- a/arch/ia64/kvm/vcpu.h +++ b/arch/ia64/kvm/vcpu.h @@ -313,21 +313,21 @@ static inline void vcpu_set_tr(struct thash_data *trp, u64 pte, u64 itir, trp->rid = rid; } -extern u64 kvm_lookup_mpa(u64 gpfn); -extern u64 kvm_gpa_to_mpa(u64 gpa); - -/* Return I/O type if trye */ -#define __gpfn_is_io(gpfn) \ - ({ \ - u64 pte, ret = 0; \ - pte = kvm_lookup_mpa(gpfn); \ - if (!(pte & GPFN_INV_MASK)) \ - ret = pte & GPFN_IO_MASK; \ - ret; \ - }) +extern u64 kvm_get_mpt_entry(u64 gpfn); +/* Return I/ */ +static inline u64 __gpfn_is_io(u64 gpfn) +{ + u64 pte; + pte = kvm_get_mpt_entry(gpfn); + if (!(pte & GPFN_INV_MASK)) { + pte = pte & GPFN_IO_MASK; + if (pte != GPFN_PHYS_MMIO) + return pte; + } + return 0; +} #endif - #define IA64_NO_FAULT 0 #define IA64_FAULT 1 |
