From patchwork Tue Jul 18 09:22:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Harsh Prateek Bora X-Patchwork-Id: 1809100 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256 header.s=pp1 header.b=hvnxOSET; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4R4tpX2NXPz20FK for ; Tue, 18 Jul 2023 19:25:24 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qLgv3-0006F6-85; Tue, 18 Jul 2023 05:22:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qLgv1-0006Do-Ga; Tue, 18 Jul 2023 05:22:55 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qLguz-0000zH-QQ; Tue, 18 Jul 2023 05:22:55 -0400 Received: from pps.filterd (m0353727.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36I9MTsF027678; Tue, 18 Jul 2023 09:22:50 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=Ql+zLBGz0lFChRPU64uisTerD+D7Wr6/cfD7Qd45G6M=; b=hvnxOSETNZjrslEjfOuPYUC0YdaffBIuzr8xNR0IvbJz15FbjJuarpDckJD9cogrVwm5 FUUh7JULG8j019mnUDPW2Pu29Ki3/OdIROSZnKt1mtAiqlRCN9OdH2byj91RvvfMhNCR yBhpuhaM/C82rlVL2mDUHqLZ5Wm58++p7J9vptecG+wIRde002/D5YhhOqFSPfPcUMcI fHPR7qNJd6Dtrpr7WrZba8xKiKcbJHHC/C3yOqN5Lp2CJUAXugqD40lhw2Gg6+85KDSP 9qMAjelR22qhmuHYjozsJdmH9sglkKOwAJhhvzRrEdh5Yvgri5Go0lJQ29EQI8IBkCXq cw== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rwr1t005a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Jul 2023 09:22:49 +0000 Received: from m0353727.ppops.net (m0353727.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 36I9MnSt028163; Tue, 18 Jul 2023 09:22:49 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3rwr1t004w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Jul 2023 09:22:49 +0000 Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 36I4eG8p030687; Tue, 18 Jul 2023 09:22:48 GMT Received: from smtprelay06.fra02v.mail.ibm.com ([9.218.2.230]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3rv79jjath-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 18 Jul 2023 09:22:48 +0000 Received: from smtpav04.fra02v.mail.ibm.com (smtpav04.fra02v.mail.ibm.com [10.20.54.103]) by smtprelay06.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 36I9MjJc45351312 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 18 Jul 2023 09:22:45 GMT Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E48B220043; Tue, 18 Jul 2023 09:22:44 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8C59820040; Tue, 18 Jul 2023 09:22:42 +0000 (GMT) Received: from li-1901474c-32f3-11b2-a85c-fc5ff2c001f3.in.ibm.com (unknown [9.109.242.129]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 18 Jul 2023 09:22:42 +0000 (GMT) From: Harsh Prateek Bora To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Cc: mikey@neuling.org, vaibhav@linux.ibm.com, jniethe5@gmail.com, sbhat@linux.ibm.com, kconsul@linux.vnet.ibm.com, dbarboza@ventanamicro.com, npiggin@gmail.com Subject: [PATCH 07/15] ppc: spapr: Implement nested PAPR hcall - H_GUEST_SET_CAPABILITIES Date: Tue, 18 Jul 2023 14:52:13 +0530 Message-Id: <20230718092221.1053686-8-harshpb@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230718092221.1053686-1-harshpb@linux.ibm.com> References: <20230718092221.1053686-1-harshpb@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 2Agm4ouNjbMr_G99UBJxPLfxWW3aMOyn X-Proofpoint-GUID: vWssjoobgYJZrvmwNe8Tb26cRuZ3b9QN X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-17_15,2023-07-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=999 spamscore=0 phishscore=0 mlxscore=0 impostorscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2307180082 Received-SPF: pass client-ip=148.163.156.1; envelope-from=harshpb@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch implements nested PAPR hcall H_GUEST_SET_CAPABILITIES. This is used by L1 to set capabilities of the nested guest being created. The capabilities being set are subset of the capabilities returned from the previous call to H_GUEST_GET_CAPABILITIES hcall. Currently, it only supports P9/P10 capability check through PVR. Signed-off-by: Michael Neuling Signed-off-by: Harsh Prateek Bora --- hw/ppc/spapr.c | 1 + hw/ppc/spapr_nested.c | 46 +++++++++++++++++++++++++++++++++++ include/hw/ppc/spapr_nested.h | 3 +++ 3 files changed, 50 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index d357350468..8643ee31fd 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3443,6 +3443,7 @@ static void spapr_instance_init(Object *obj) "Host serial number to advertise in guest device tree"); /* Nested */ spapr->nested.api = 0; + spapr->nested.capabilities_set = false; } static void spapr_machine_finalizefn(Object *obj) diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c index 37f3a49be2..9af65f257f 100644 --- a/hw/ppc/spapr_nested.c +++ b/hw/ppc/spapr_nested.c @@ -399,6 +399,51 @@ static target_ulong h_guest_get_capabilities(PowerPCCPU *cpu, return H_SUCCESS; } +static target_ulong h_guest_set_capabilities(PowerPCCPU *cpu, + SpaprMachineState *spapr, + target_ulong opcode, + target_ulong *args) +{ + CPUPPCState *env = &cpu->env; + target_ulong flags = args[0]; + target_ulong capabilities = args[1]; + + if (flags) { /* don't handle any flags capabilities for now */ + return H_PARAMETER; + } + + + /* isn't supported */ + if (capabilities & H_GUEST_CAPABILITIES_COPY_MEM) { + env->gpr[4] = 0; + return H_P2; + } + + if ((env->spr[SPR_PVR] & CPU_POWERPC_POWER_SERVER_MASK) == + (CPU_POWERPC_POWER9_BASE)) { + /* We are a P9 */ + if (!(capabilities & H_GUEST_CAPABILITIES_P9_MODE)) { + env->gpr[4] = 1; + return H_P2; + } + } + + if ((env->spr[SPR_PVR] & CPU_POWERPC_POWER_SERVER_MASK) == + (CPU_POWERPC_POWER10_BASE)) { + /* We are a P10 */ + if (!(capabilities & H_GUEST_CAPABILITIES_P10_MODE)) { + env->gpr[4] = 2; + return H_P2; + } + } + + spapr->nested.capabilities_set = true; + + spapr->nested.pvr_base = env->spr[SPR_PVR]; + + return H_SUCCESS; +} + void spapr_register_nested(void) { spapr_register_hypercall(KVMPPC_H_SET_PARTITION_TABLE, h_set_ptbl); @@ -410,6 +455,7 @@ void spapr_register_nested(void) void spapr_register_nested_phyp(void) { spapr_register_hypercall(H_GUEST_GET_CAPABILITIES, h_guest_get_capabilities); + spapr_register_hypercall(H_GUEST_SET_CAPABILITIES, h_guest_set_capabilities); } #else diff --git a/include/hw/ppc/spapr_nested.h b/include/hw/ppc/spapr_nested.h index ce198e9f70..a7996251cb 100644 --- a/include/hw/ppc/spapr_nested.h +++ b/include/hw/ppc/spapr_nested.h @@ -193,6 +193,9 @@ #define H_GUEST_CAPABILITIES_COPY_MEM 0x8000000000000000 #define H_GUEST_CAPABILITIES_P9_MODE 0x4000000000000000 #define H_GUEST_CAPABILITIES_P10_MODE 0x2000000000000000 +#define H_GUEST_CAP_COPY_MEM_BMAP 0 +#define H_GUEST_CAP_P9_MODE_BMAP 1 +#define H_GUEST_CAP_P10_MODE_BMAP 2 typedef struct SpaprMachineStateNestedGuest { unsigned long vcpus;