{"id":831057,"url":"http://patchwork.ozlabs.org/api/1.2/patches/831057/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20171027040833.3644-10-aneesh.kumar@linux.vnet.ibm.com/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/1.2/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20171027040833.3644-10-aneesh.kumar@linux.vnet.ibm.com>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/20171027040833.3644-10-aneesh.kumar@linux.vnet.ibm.com/","date":"2017-10-27T04:08:26","name":"[09/16] powerpc/mm: Add new firmware feature HASH API","commit_ref":null,"pull_url":null,"state":"changes-requested","archived":false,"hash":"21ac6a80dbf2d2384dac99fa6ef00f08a7cea6fe","submitter":{"id":664,"url":"http://patchwork.ozlabs.org/api/1.2/people/664/?format=json","name":"Aneesh Kumar K.V","email":"aneesh.kumar@linux.vnet.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20171027040833.3644-10-aneesh.kumar@linux.vnet.ibm.com/mbox/","series":[{"id":10486,"url":"http://patchwork.ozlabs.org/api/1.2/series/10486/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=10486","date":"2017-10-27T04:08:17","name":"Remove hash page table slot tracking from linux PTE","version":1,"mbox":"http://patchwork.ozlabs.org/series/10486/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/831057/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/831057/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":["patchwork-incoming@ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Received":["from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\t(using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3yNW8p14KTz9t2d\n\tfor ;\n\tFri, 27 Oct 2017 15:28:42 +1100 (AEDT)","from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 3yNW8n7582zDrnj\n\tfor ;\n\tFri, 27 Oct 2017 15:28:41 +1100 (AEDT)","from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com\n\t[148.163.158.5])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 3yNVlN0SzkzDrbr\n\tfor ;\n\tFri, 27 Oct 2017 15:10:07 +1100 (AEDT)","from pps.filterd (m0098419.ppops.net [127.0.0.1])\n\tby mx0b-001b2d01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id\n\tv9R4A1Gv023269\n\tfor ; Fri, 27 Oct 2017 00:10:05 -0400","from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151])\n\tby mx0b-001b2d01.pphosted.com with ESMTP id 2dupjy9cah-1\n\t(version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT)\n\tfor ; Fri, 27 Oct 2017 00:10:01 -0400","from localhost\n\tby e33.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use\n\tOnly! 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Violators will be prosecuted; \n\tThu, 26 Oct 2017 22:09:34 -0600","from b03ledav001.gho.boulder.ibm.com\n\t(b03ledav001.gho.boulder.ibm.com [9.17.130.232])\n\tby b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with\n\tESMTP id v9R49XWH1442288; Thu, 26 Oct 2017 21:09:33 -0700","from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1])\n\tby IMSVA (Postfix) with ESMTP id B81E26E175;\n\tThu, 26 Oct 2017 22:09:33 -0600 (MDT)","from skywalker.ibmmodules.com (unknown [9.85.199.61])\n\tby b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP id B34266E121;\n\tThu, 26 Oct 2017 22:09:30 -0600 (MDT)"],"Authentication-Results":"ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=linux.vnet.ibm.com\n\t(client-ip=148.163.158.5; helo=mx0a-001b2d01.pphosted.com;\n\tenvelope-from=aneesh.kumar@linux.vnet.ibm.com; receiver=)","From":"\"Aneesh Kumar K.V\" ","To":"benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au","Subject":"[PATCH 09/16] powerpc/mm: Add new firmware feature HASH API","Date":"Fri, 27 Oct 2017 09:38:26 +0530","X-Mailer":"git-send-email 2.13.6","In-Reply-To":"<20171027040833.3644-1-aneesh.kumar@linux.vnet.ibm.com>","References":"<20171027040833.3644-1-aneesh.kumar@linux.vnet.ibm.com>","X-TM-AS-GCONF":"00","x-cbid":"17102704-0008-0000-0000-000008C66562","X-IBM-SpamModules-Scores":"","X-IBM-SpamModules-Versions":"BY=3.00007958; HX=3.00000241; KW=3.00000007;\n\tPH=3.00000004; SC=3.00000239; SDB=6.00937034; UDB=6.00472245;\n\tIPR=6.00717297; \n\tBA=6.00005660; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009;\n\tZB=6.00000000; \n\tZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00017735;\n\tXFM=3.00000015; UTC=2017-10-27 04:09:35","X-IBM-AV-DETECTION":"SAVI=unused REMOTE=unused XFE=unused","x-cbparentid":"17102704-0009-0000-0000-00004486880E","Message-Id":"<20171027040833.3644-10-aneesh.kumar@linux.vnet.ibm.com>","X-Proofpoint-Virus-Version":"vendor=fsecure engine=2.50.10432:, ,\n\tdefinitions=2017-10-27_02:, , signatures=0","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n\tpriorityscore=1501\n\tmalwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0\n\tclxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0\n\tclassifier=spam adjust=0 reason=mlx scancount=1\n\tengine=8.0.1-1707230000\n\tdefinitions=main-1710270053","X-BeenThere":"linuxppc-dev@lists.ozlabs.org","X-Mailman-Version":"2.1.24","Precedence":"list","List-Id":"Linux on PowerPC Developers Mail List\n\t","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Cc":"linuxppc-dev@lists.ozlabs.org,\n\t\"Aneesh Kumar K.V\" ","Errors-To":"linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org","Sender":"\"Linuxppc-dev\"\n\t"},"content":"We will use this feature to check whether hypervisor implements hash based\nremove and protect hcalls\n\nSigned-off-by: Aneesh Kumar K.V \n---\n arch/powerpc/include/asm/firmware.h | 3 ++-\n arch/powerpc/kvm/powerpc.c | 4 ++++\n arch/powerpc/platforms/pseries/firmware.c | 1 +\n include/uapi/linux/kvm.h | 1 +\n 4 files changed, 8 insertions(+), 1 deletion(-)","diff":"diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h\nindex 8645897472b1..152d704ac3c3 100644\n--- a/arch/powerpc/include/asm/firmware.h\n+++ b/arch/powerpc/include/asm/firmware.h\n@@ -51,6 +51,7 @@\n #define FW_FEATURE_BEST_ENERGY\tASM_CONST(0x0000000080000000)\n #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)\n #define FW_FEATURE_PRRN\t\tASM_CONST(0x0000000200000000)\n+#define FW_FEATURE_HASH_API\tASM_CONST(0x0000000400000000)\n \n #ifndef __ASSEMBLY__\n \n@@ -67,7 +68,7 @@ enum {\n \t\tFW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |\n \t\tFW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |\n \t\tFW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |\n-\t\tFW_FEATURE_HPT_RESIZE,\n+\t\tFW_FEATURE_HPT_RESIZE | FW_FEATURE_HASH_API,\n \tFW_FEATURE_PSERIES_ALWAYS = 0,\n \tFW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,\n \tFW_FEATURE_POWERNV_ALWAYS = 0,\ndiff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c\nindex 3480faaf1ef8..6fb91198dc90 100644\n--- a/arch/powerpc/kvm/powerpc.c\n+++ b/arch/powerpc/kvm/powerpc.c\n@@ -637,6 +637,10 @@ int kvm_vm_ioctl_check_extension(struct kvm *kvm, long ext)\n \t\t/* Disable this on POWER9 until code handles new HPTE format */\n \t\tr = !!hv_enabled && !cpu_has_feature(CPU_FTR_ARCH_300);\n \t\tbreak;\n+\tcase KVM_CAP_SPAPR_HASH_API:\n+\t\t/* Only enable for HV kvm */\n+\t\tr = is_kvmppc_hv_enabled(kvm);\n+\t\tbreak;\n #endif\n #ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE\n \tcase KVM_CAP_PPC_FWNMI:\ndiff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c\nindex 63cc82ad58ac..32081d4406e8 100644\n--- a/arch/powerpc/platforms/pseries/firmware.c\n+++ b/arch/powerpc/platforms/pseries/firmware.c\n@@ -65,6 +65,7 @@ hypertas_fw_features_table[] = {\n \t{FW_FEATURE_SET_MODE,\t\t\"hcall-set-mode\"},\n \t{FW_FEATURE_BEST_ENERGY,\t\"hcall-best-energy-1*\"},\n \t{FW_FEATURE_HPT_RESIZE,\t\t\"hcall-hpt-resize\"},\n+\t{FW_FEATURE_HASH_API,\t\t\"hcall-hash-api\"},\n };\n \n /* Build up the firmware features bitmask using the contents of\ndiff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h\nindex 838887587411..780433b1f179 100644\n--- a/include/uapi/linux/kvm.h\n+++ b/include/uapi/linux/kvm.h\n@@ -930,6 +930,7 @@ struct kvm_ppc_resize_hpt {\n #define KVM_CAP_PPC_SMT_POSSIBLE 147\n #define KVM_CAP_HYPERV_SYNIC2 148\n #define KVM_CAP_HYPERV_VP_INDEX 149\n+#define KVM_CAP_SPAPR_HASH_API 150\n \n #ifdef KVM_CAP_IRQ_ROUTING\n \n","prefixes":["09/16"]}