From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46654) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cbepl-0007Vz-JT for qemu-devel@nongnu.org; Wed, 08 Feb 2017 21:51:47 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cbepk-0006x0-Fs for qemu-devel@nongnu.org; Wed, 08 Feb 2017 21:51:45 -0500 Date: Thu, 9 Feb 2017 13:16:29 +1100 From: David Gibson Message-ID: <20170209021629.GR17644@umbus.fritz.box> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="hCenlVgnDQUGHXTR" Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] [RFC PATCH 4/9] target-ppc: support KVM_CAP_PPC_MMU_RADIX, KVM_CAP_PPC_MMU_HASH_V3 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Sam Bobroff Cc: qemu-devel@nongnu.org, qemu-ppc@nongnu.org --hCenlVgnDQUGHXTR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 07, 2017 at 01:56:47PM +1100, Sam Bobroff wrote: > Query and cache the value of two new KVM capabilities that indicate > KVM's support for new radix and hash modes of the MMU. >=20 > Signed-off-by: Sam Bobroff > --- > target/ppc/kvm.c | 14 ++++++++++++++ > target/ppc/kvm_ppc.h | 12 ++++++++++++ > 2 files changed, 26 insertions(+) >=20 > diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c > index 390d6342cc..8d6fd1b067 100644 > --- a/target/ppc/kvm.c > +++ b/target/ppc/kvm.c > @@ -81,6 +81,8 @@ static int cap_papr; > static int cap_htab_fd; > static int cap_fixup_hcalls; > static int cap_htm; /* Hardware transactional memory support= */ > +static int cap_mmu_radix; > +static int cap_mmu_hash; Please rename this cap_mmu_hashv3 to avoid confusion. Apart from that, Reviewed-by: David Gibson > =20 > static uint32_t debug_inst_opcode; > =20 > @@ -134,6 +136,8 @@ int kvm_arch_init(MachineState *ms, KVMState *s) > cap_htab_fd =3D kvm_check_extension(s, KVM_CAP_PPC_HTAB_FD); > cap_fixup_hcalls =3D kvm_check_extension(s, KVM_CAP_PPC_FIXUP_HCALL); > cap_htm =3D kvm_vm_check_extension(s, KVM_CAP_PPC_HTM); > + cap_mmu_radix =3D kvm_vm_check_extension(s, KVM_CAP_PPC_MMU_RADIX); > + cap_mmu_hash =3D kvm_vm_check_extension(s, KVM_CAP_PPC_MMU_HASH_V3); > =20 > if (!cap_interrupt_level) { > fprintf(stderr, "KVM: Couldn't find level irq capability. Expect= the " > @@ -2408,6 +2412,16 @@ bool kvmppc_has_cap_htm(void) > return cap_htm; > } > =20 > +bool kvmppc_has_cap_mmu_radix(void) > +{ > + return cap_mmu_radix; > +} > + > +bool kvmppc_has_cap_mmu_hash(void) > +{ > + return cap_mmu_hash; > +} > + > static PowerPCCPUClass *ppc_cpu_get_family_class(PowerPCCPUClass *pcc) > { > ObjectClass *oc =3D OBJECT_CLASS(pcc); > diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h > index 4b43283913..1c1b94847c 100644 > --- a/target/ppc/kvm_ppc.h > +++ b/target/ppc/kvm_ppc.h > @@ -56,6 +56,8 @@ void kvmppc_hash64_write_pte(CPUPPCState *env, target_u= long pte_index, > target_ulong pte0, target_ulong pte1); > bool kvmppc_has_cap_fixup_hcalls(void); > bool kvmppc_has_cap_htm(void); > +bool kvmppc_has_cap_mmu_radix(void); > +bool kvmppc_has_cap_mmu_hash(void); > int kvmppc_enable_hwrng(void); > int kvmppc_put_books_sregs(PowerPCCPU *cpu); > PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void); > @@ -255,6 +257,16 @@ static inline bool kvmppc_has_cap_htm(void) > return false; > } > =20 > +static inline bool kvmppc_has_cap_mmu_radix(void) > +{ > + return false; > +} > + > +static inline bool kvmppc_has_cap_mmu_hash(void) > +{ > + return false; > +} > + > static inline int kvmppc_enable_hwrng(void) > { > return -1; --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --hCenlVgnDQUGHXTR Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJYm9D9AAoJEGw4ysog2bOSqwQQALql8k93CrUOZlT87VoGbiyD 0bS+XH7eD8JpTty5yAPDUFXg+UuyIZI9GALLaSh24s6mAbPfjEnwikzhXCjnzEv2 fVgkJnRfs3hJ/9zPN28plqy2GW6bhnD4skYE+wpHR9Kfeg1slh5Eit1kYyqL9P4E SdqVpYtwO084r330qVqrh1i4tu7VO/o2qf1Xly/vYQ8qR52QSbxyRuPvcQjccsyz wh2FDaXPlCwXRvDJf4pBf0HrpDkBhKimIQ6zxDQaiKm8+un9ijghQZujwB8T0WFi Zu8BmdtJIKZQRyQ1KmRYBlf64OyVykxZhSgVwKdSXIQB/lrP6K7i1ohEWTKs2tCE EvbVtTvw+9E0SjM7ScsUMeUw3qWDdFuw8gAyR+iLqQdHd1tDuU5kqfQFL8cyJNz+ kpwd/kZQdo/+2op6fQ+X3jhZl5n4ipDa1MkWQIYvUkPkrXxAenDZyrlgXzrlDAMT ZRDuTNELq0UwSRB0kh8MXLerNZBPxhRv2SvnFL/1ejQMK8inphhu5aD3TnUKSy4v 7ngS4cr3a2T7LI3bXxE+JoEuyVEDDlJK4WF6fuSjF2U6gisWoWxtZsKvVf9qKVte m1tXr0y1rMlxd/7a2tSplbweYusQ8Y+rdzR8Sem2gc1ah3slx6jn5MjxMiMnbOBQ 8vsr+jiwdjUjCTHETAQc =Yaxw -----END PGP SIGNATURE----- --hCenlVgnDQUGHXTR--