{"id":2003166,"url":"http://patchwork.ozlabs.org/api/patches/2003166/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20241028091536.600913-1-amachhiw@linux.ibm.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20241028091536.600913-1-amachhiw@linux.ibm.com>","list_archive_url":null,"date":"2024-10-28T09:15:36","name":"spapr: nested: Add Power11 capability support for Nested PAPR guests in TCG L0","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c03307c1ad032bd1fab16ecfeb7ae609e6088e13","submitter":{"id":87864,"url":"http://patchwork.ozlabs.org/api/people/87864/?format=json","name":"Amit Machhiwal","email":"amachhiw@linux.ibm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20241028091536.600913-1-amachhiw@linux.ibm.com/mbox/","series":[{"id":430102,"url":"http://patchwork.ozlabs.org/api/series/430102/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=430102","date":"2024-10-28T09:15:36","name":"spapr: nested: Add Power11 capability support for Nested PAPR guests in TCG L0","version":1,"mbox":"http://patchwork.ozlabs.org/series/430102/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2003166/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2003166/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=ovunFy5i;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n :content-transfer-encoding:date:from:message-id:mime-version\n :subject:to; s=pp1; bh=US5bFQgBmGn4kfWluInv+VpA5egg1XHmMAMzGm18X\n LE=; b=ovunFy5iMleJ7S5XyP2HdOoWSG/i5IIFmxyq52nSfIv79xOpa6Ur0U+ao\n gK8RBcklROVpJpia/ZR2z26xlCvpx91qzZI93gUBOhFcoOSbLIuFu6c/LouZrJ+i\n W3v6zFrmkvJDuYGaoEil+i8QVHSfjTzW7ltkGCWeSrFpHj7Toa3GtxcgIySu6Rqc\n sjE3bpcudXwjxK71u6YPNFu2Dm3hROd4fpiJHbNs+nu80XXLqyfca1T4T8n8oxG8\n LGuc7kG+pxY90KeNZ8nxsfYwdfs+gwAEu3aCRxJbhTkCaPq3eXiLJfKc0WwOxKaw\n P2RB2gcEVGgqz9dKzdQz7wwJOh5xg==","From":"Amit Machhiwal ","To":"Nicholas Piggin , qemu-ppc@nongnu.org,\n Vaibhav Jain ,\n Harsh Prateek Bora ","Cc":"David Gibson ,\n Daniel Henrique Barboza , qemu-devel@nongnu.org,\n Amit Machhiwal ","Subject":"[PATCH] spapr: nested: Add Power11 capability support for Nested PAPR\n guests in TCG L0","Date":"Mon, 28 Oct 2024 14:45:36 +0530","Message-ID":"<20241028091536.600913-1-amachhiw@linux.ibm.com>","X-Mailer":"git-send-email 2.47.0","X-TM-AS-GCONF":"00","X-Proofpoint-ORIG-GUID":"uvwQBfUsbYy0kL3D8VjfUXwAja-5zmoa","X-Proofpoint-GUID":"_8ThbooamAo6pPICOhcILlK7lS9UIjlL","Content-Transfer-Encoding":"8bit","X-Proofpoint-UnRewURL":"0 URL was un-rewritten","MIME-Version":"1.0","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30\n definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n phishscore=0 adultscore=0\n bulkscore=0 mlxlogscore=999 clxscore=1015 priorityscore=1501\n suspectscore=0 lowpriorityscore=0 mlxscore=0 impostorscore=0\n malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1\n engine=8.19.0-2409260000 definitions=main-2410280073","Received-SPF":"pass client-ip=148.163.156.1;\n envelope-from=amachhiw@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com","X-Spam_score_int":"-26","X-Spam_score":"-2.7","X-Spam_bar":"--","X-Spam_report":"(-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"The Power11 architected and raw mode support in Linux was merged via [1]\nand the corresponding support in QEMU is waiting to be added by [2]\nwhich in V6 currently.\n\nAdd the Power11 capabilities and the required handling in TCG L0\nimplementation of the \"Nested PAPR API\".\n\nNote: This patch is based on [2].\n\n[1] https://lore.kernel.org/all/20240221044623.1598642-1-mpe@ellerman.id.au/\n[2] https://lore.kernel.org/all/20240731055022.696051-1-adityag@linux.ibm.com/\n\nSigned-off-by: Amit Machhiwal \n---\n hw/ppc/spapr_nested.c | 12 +++++++++++-\n include/hw/ppc/spapr_nested.h | 5 ++++-\n 2 files changed, 15 insertions(+), 2 deletions(-)","diff":"diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c\nindex c02785756c1e..066d40e3c1b7 100644\n--- a/hw/ppc/spapr_nested.c\n+++ b/hw/ppc/spapr_nested.c\n@@ -771,6 +771,7 @@ static void copy_logical_pvr(void *a, void *b, bool set)\n \n if (*pvr_logical_ptr) {\n switch (*pvr_logical_ptr) {\n+ case CPU_POWERPC_LOGICAL_3_10_P11:\n case CPU_POWERPC_LOGICAL_3_10:\n pcr = PCR_COMPAT_3_10 | PCR_COMPAT_3_00;\n break;\n@@ -1184,6 +1185,12 @@ static target_ulong h_guest_get_capabilities(PowerPCCPU *cpu,\n return H_PARAMETER;\n }\n \n+ /* P11 capabilities */\n+ if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10_P11, 0,\n+ spapr->max_compat_pvr)) {\n+ env->gpr[4] |= H_GUEST_CAPABILITIES_P11_MODE;\n+ }\n+\n /* P10 capabilities */\n if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10, 0,\n spapr->max_compat_pvr)) {\n@@ -1226,7 +1233,10 @@ static target_ulong h_guest_set_capabilities(PowerPCCPU *cpu,\n env->gpr[4] = 1;\n \n /* set R5 to the first supported Power Processor Mode */\n- if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10, 0,\n+ if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10_P11, 0,\n+ spapr->max_compat_pvr)) {\n+ env->gpr[5] = H_GUEST_CAP_P11_MODE_BMAP;\n+ } else if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_10, 0,\n spapr->max_compat_pvr)) {\n env->gpr[5] = H_GUEST_CAP_P10_MODE_BMAP;\n } else if (ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00, 0,\ndiff --git a/include/hw/ppc/spapr_nested.h b/include/hw/ppc/spapr_nested.h\nindex 93ef14adcc5e..24531c3fd2e9 100644\n--- a/include/hw/ppc/spapr_nested.h\n+++ b/include/hw/ppc/spapr_nested.h\n@@ -210,11 +210,14 @@ typedef struct SpaprMachineStateNestedGuest {\n #define H_GUEST_CAPABILITIES_COPY_MEM 0x8000000000000000\n #define H_GUEST_CAPABILITIES_P9_MODE 0x4000000000000000\n #define H_GUEST_CAPABILITIES_P10_MODE 0x2000000000000000\n-#define H_GUEST_CAP_VALID_MASK (H_GUEST_CAPABILITIES_P10_MODE | \\\n+#define H_GUEST_CAPABILITIES_P11_MODE 0x1000000000000000\n+#define H_GUEST_CAP_VALID_MASK (H_GUEST_CAPABILITIES_P11_MODE | \\\n+ H_GUEST_CAPABILITIES_P10_MODE | \\\n H_GUEST_CAPABILITIES_P9_MODE)\n #define H_GUEST_CAP_COPY_MEM_BMAP 0\n #define H_GUEST_CAP_P9_MODE_BMAP 1\n #define H_GUEST_CAP_P10_MODE_BMAP 2\n+#define H_GUEST_CAP_P11_MODE_BMAP 3\n #define PAPR_NESTED_GUEST_MAX 4096\n #define H_GUEST_DELETE_ALL_FLAG 0x8000000000000000ULL\n #define PAPR_NESTED_GUEST_VCPU_MAX 2048\n","prefixes":[]}