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(unknown [9.114.12.92]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 2 May 2022 09:39:26 +0000 (GMT) From: Steffen Eiden To: Thomas Huth , Janosch Frank , Claudio Imbrenda , David Hildenbrand Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org Subject: [kvm-unit-tests PATCH v5 1/6] s390x: uv-host: Add invalid command attestation check Date: Mon, 2 May 2022 09:39:20 +0000 Message-Id: <20220502093925.4118-2-seiden@linux.ibm.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220502093925.4118-1-seiden@linux.ibm.com> References: <20220502093925.4118-1-seiden@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 5fdhPNWwUAKf562u5_HqLzQ6ovKdows7 X-Proofpoint-ORIG-GUID: yWj2nJAM-G8fjomZo9QrGjs92McxCCSO X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-02_03,2022-04-28_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 phishscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 impostorscore=0 bulkscore=0 spamscore=0 malwarescore=0 mlxlogscore=999 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2205020074 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Adds an invalid command test for attestation in the uv-host. Signed-off-by: Steffen Eiden Reviewed-by: Janosch Frank Reviewed-by: Claudio Imbrenda --- lib/s390x/asm/uv.h | 23 ++++++++++++++++++++++- s390x/uv-host.c | 1 + 2 files changed, 23 insertions(+), 1 deletion(-) diff --git a/lib/s390x/asm/uv.h b/lib/s390x/asm/uv.h index 70bf65c4..7c8c399d 100644 --- a/lib/s390x/asm/uv.h +++ b/lib/s390x/asm/uv.h @@ -1,7 +1,7 @@ /* * s390x Ultravisor related definitions * - * Copyright (c) 2020 IBM Corp + * Copyright IBM Corp. 2020, 2022 * * Authors: * Janosch Frank @@ -47,6 +47,7 @@ #define UVC_CMD_UNPIN_PAGE_SHARED 0x0342 #define UVC_CMD_SET_SHARED_ACCESS 0x1000 #define UVC_CMD_REMOVE_SHARED_ACCESS 0x1001 +#define UVC_CMD_ATTESTATION 0x1020 /* Bits in installed uv calls */ enum uv_cmds_inst { @@ -71,6 +72,7 @@ enum uv_cmds_inst { BIT_UVC_CMD_UNSHARE_ALL = 20, BIT_UVC_CMD_PIN_PAGE_SHARED = 21, BIT_UVC_CMD_UNPIN_PAGE_SHARED = 22, + BIT_UVC_CMD_ATTESTATION = 28, }; struct uv_cb_header { @@ -178,6 +180,25 @@ struct uv_cb_cfs { u64 paddr; } __attribute__((packed)) __attribute__((aligned(8))); +/* Retrieve Attestation Measurement */ +struct uv_cb_attest { + struct uv_cb_header header; /* 0x0000 */ + uint64_t reserved08[2]; /* 0x0008 */ + uint64_t arcb_addr; /* 0x0018 */ + uint64_t continuation_token; /* 0x0020 */ + uint8_t reserved28[6]; /* 0x0028 */ + uint16_t user_data_length; /* 0x002e */ + uint8_t user_data[256]; /* 0x0030 */ + uint32_t reserved130[3]; /* 0x0130 */ + uint32_t measurement_length; /* 0x013c */ + uint64_t measurement_address; /* 0x0140 */ + uint8_t config_uid[16]; /* 0x0148 */ + uint32_t reserved158; /* 0x0158 */ + uint32_t add_data_length; /* 0x015c */ + uint64_t add_data_address; /* 0x0160 */ + uint64_t reserved168[4]; /* 0x0168 */ +} __attribute__((packed)) __attribute__((aligned(8))); + /* Set Secure Config Parameter */ struct uv_cb_ssc { struct uv_cb_header header; diff --git a/s390x/uv-host.c b/s390x/uv-host.c index d3018e3c..726bcfa5 100644 --- a/s390x/uv-host.c +++ b/s390x/uv-host.c @@ -418,6 +418,7 @@ static struct cmd_list invalid_cmds[] = { { "bogus", 0x4242, sizeof(struct uv_cb_header), -1}, { "share", UVC_CMD_SET_SHARED_ACCESS, sizeof(struct uv_cb_share), BIT_UVC_CMD_SET_SHARED_ACCESS }, { "unshare", UVC_CMD_REMOVE_SHARED_ACCESS, sizeof(struct uv_cb_share), BIT_UVC_CMD_REMOVE_SHARED_ACCESS }, + { "attest", UVC_CMD_ATTESTATION, sizeof(struct uv_cb_attest), BIT_UVC_CMD_ATTESTATION }, { NULL, 0, 0 }, }; -- 2.30.2