From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39354) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciVmY-00058C-W7 for qemu-devel@nongnu.org; Mon, 27 Feb 2017 19:36:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciVmU-00058V-S8 for qemu-devel@nongnu.org; Mon, 27 Feb 2017 19:36:47 -0500 Date: Tue, 28 Feb 2017 11:13:05 +1100 From: David Gibson Message-ID: <20170228001305.GC17615@umbus.fritz.box> References: <8d7198bfc4cf9a4f9a9f135cacdedaecd7b29990.1487829585.git.sam.bobroff@au1.ibm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Ijzeh677kh28wBBZ" Content-Disposition: inline In-Reply-To: <8d7198bfc4cf9a4f9a9f135cacdedaecd7b29990.1487829585.git.sam.bobroff@au1.ibm.com> Subject: Re: [Qemu-devel] [RFC PATCH v2 07/12] 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-ppc@nongnu.org, qemu-devel@nongnu.org, sjitindarsingh@gmail.com --Ijzeh677kh28wBBZ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Feb 23, 2017 at 05:00:00PM +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 Reviewed-by: David Gibson > --- > v2: >=20 > * cap_mmu_hash renamed to cap_mmu_hash_v3. >=20 > 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 cf62a42c1f..8b153808fd 100644 > --- a/target/ppc/kvm.c > +++ b/target/ppc/kvm.c > @@ -83,6 +83,8 @@ 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_v3; > =20 > static uint32_t debug_inst_opcode; > =20 > @@ -136,6 +138,8 @@ 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_v3 =3D kvm_vm_check_extension(s, KVM_CAP_PPC_MMU_HASH_V= 3); > =20 > if (!cap_interrupt_level) { > fprintf(stderr, "KVM: Couldn't find level irq capability. Expect= the " > @@ -2430,6 +2434,16 @@ 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_v3(void) > +{ > + return cap_mmu_hash_v3; > +} > + > 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 8da2ee418a..56e222dfc2 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_v3(void); > int kvmppc_enable_hwrng(void); > int kvmppc_put_books_sregs(PowerPCCPU *cpu); > PowerPCCPUClass *kvm_ppc_get_host_cpu_class(void); > @@ -262,6 +264,16 @@ 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_v3(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 --Ijzeh677kh28wBBZ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJYtMCRAAoJEGw4ysog2bOSkVUP/izocPmKn9yiqp64EaENUPox OEDEunXCJ+9bPry9yap8N3yuuK+G5kTRJ9GZXebR4gXp5CcDPlwmdoUiGjeFYZ/1 sWAs6VvTPvm4ItnwVBHbex6CZY13ewwwck944vHo1rqrteXA1ySyBi1lsT7lbpTj myJ7074zIi1nj+8sIglvku/qNwQOhwBHULkXLk0kNAEH9EmTJMrBSo/j9bEM/ymo IqZoKtSMJFs4uBCtVVyXbAei0yzqrHxlCaq2wUFzCIigIdXTiMCynYSS4/1oPB/R W5PVK8NCs2VMpZpilqVitZQRCUAW3cuewlf1N/FElTPpdOqG4+e5ivsdPQTk0LGx 1oH3IzBtGNWXrNJk2Rylp5D5v2+MX1UrShVmcwyyoTHT8EcRUp/p44yCT6q8hpt2 gKRqxAXOwTixuNwydcsFHuoyjRZleTDyKwDhUVZjafI993UsCKvYUvHVpj77BrUC iwNLbT8xLBUQqnyMn97p+lVvGm1rOww2NG7Y+7RUIalZpDtXKmKJkAg6kLJlSJcJ fp1Bgs8r1lBgvtkrWBcaLlh311CWVZgKzc0p9/grtFdZI0f86w7QFtxf20SPyy5t xIG8BCBmoQz+JEjbkAmiK9e5Z154ADnbmB0suNaXzfGbImJPWvbhGD5bRv2zly8O 4XuuLNIXtyRrPTfFA5Gz =H2HO -----END PGP SIGNATURE----- --Ijzeh677kh28wBBZ--