From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:36265) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gYtSD-0005A2-Df for qemu-devel@nongnu.org; Mon, 17 Dec 2018 09:01:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gYtS9-0000OA-RW for qemu-devel@nongnu.org; Mon, 17 Dec 2018 09:01:05 -0500 From: Laurent Vivier Date: Mon, 17 Dec 2018 15:00:55 +0100 Message-Id: <20181217140055.8545-1-lvivier@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH] spapr: Add H-Call H_HOME_NODE_ASSOCIATIVITY List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-ppc@nongnu.org, David Gibson , Laurent Vivier H_HOME_NODE_ASSOCIATIVITY H-Call returns the associativity domain designation associated with the identifier input parameter. Remove the warning message from the kernel: VPHN is not supported. Disabling polling.. Signed-off-by: Laurent Vivier --- Based-on: <20181213040126.6768-1-david@gibson.dropbear.id.au> "[PULL 00/27] ppc-for-4.0 queue 20181213" hw/ppc/spapr_hcall.c | 39 +++++++++++++++++++++++++++++++++++++++ include/hw/ppc/spapr.h | 1 + 2 files changed, 40 insertions(+) diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c index 78fecc8fe9..454ec594fd 100644 --- a/hw/ppc/spapr_hcall.c +++ b/hw/ppc/spapr_hcall.c @@ -1663,6 +1663,41 @@ static target_ulong h_client_architecture_support(= PowerPCCPU *cpu, return H_SUCCESS; } =20 +static target_ulong h_home_node_associativity(PowerPCCPU *cpu, + sPAPRMachineState *spapr, + target_ulong opcode, + target_ulong *args) +{ + target_ulong flags =3D args[0]; + target_ulong procno =3D args[1]; + PowerPCCPU *tcpu; + int idx; + + /* only support procno from H_REGISTER_VPA */ + if ((flags & 0x1) =3D=3D 0) { + return H_PARAMETER; + } + + tcpu =3D spapr_find_cpu(procno); + if (tcpu =3D=3D NULL) { + return H_P2; + } + + /* sequence is the same as in the "ibm,associativity" property */ + + idx =3D 0; +#define ASSOCIATIVITY(a, b) (((uint64_t)a << 32) | ((uint64_t)b & 0xffff= ffff)) + args[idx++] =3D ASSOCIATIVITY(0, 0); + args[idx++] =3D ASSOCIATIVITY(0, tcpu->node_id); + args[idx++] =3D ASSOCIATIVITY(procno, -1); + for ( ; idx < 6; idx++) { + args[idx] =3D -1; + } +#undef ASSOCIATIVITY + + return H_SUCCESS; +} + static target_ulong h_get_cpu_characteristics(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, @@ -1864,6 +1899,10 @@ static void hypercall_register_types(void) spapr_register_hypercall(KVMPPC_H_CAS, h_client_architecture_support= ); =20 spapr_register_hypercall(KVMPPC_H_UPDATE_DT, h_update_dt); + + /* Virtual Processor Home Node */ + spapr_register_hypercall(H_HOME_NODE_ASSOCIATIVITY, + h_home_node_associativity); } =20 type_init(hypercall_register_types) diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index b1a2515107..eb13e2b614 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -447,6 +447,7 @@ struct sPAPRMachineState { #define H_GET_EM_PARMS 0x2B8 #define H_SET_MPP 0x2D0 #define H_GET_MPP 0x2D4 +#define H_HOME_NODE_ASSOCIATIVITY 0x2EC #define H_XIRR_X 0x2FC #define H_RANDOM 0x300 #define H_SET_MODE 0x31C --=20 2.19.2