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(unknown [9.114.12.104]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 17 Oct 2022 09:39:55 +0000 (GMT) From: Janosch Frank To: kvm@vger.kernel.org Cc: imbrenda@linux.ibm.com, seiden@linux.ibm.com, nrb@linux.ibm.com, scgl@linux.ibm.com, thuth@redhat.com Subject: [kvm-unit-tests PATCH v3 5/8] s390x: uv-host: Add a set secure config parameters test function Date: Mon, 17 Oct 2022 09:39:22 +0000 Message-Id: <20221017093925.2038-6-frankja@linux.ibm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221017093925.2038-1-frankja@linux.ibm.com> References: <20221017093925.2038-1-frankja@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 3EWNd7LohRiNGDHxAM93-v8GXnzU8R4r X-Proofpoint-ORIG-GUID: OhNCc5qoNFewTqvOgxO4WzPnGMgSstYH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-10-17_07,2022-10-17_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 phishscore=0 mlxlogscore=999 impostorscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 spamscore=0 clxscore=1015 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2210170055 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Time for more tests. Signed-off-by: Janosch Frank Reviewed-by: Steffen Eiden --- s390x/uv-host.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/s390x/uv-host.c b/s390x/uv-host.c index 305b490f..05502d9a 100644 --- a/s390x/uv-host.c +++ b/s390x/uv-host.c @@ -256,6 +256,53 @@ static void test_cpu_destroy(void) report_prefix_pop(); } +static void test_set_se_header(void) +{ + struct uv_cb_ssc uvcb = { + .header.cmd = UVC_CMD_SET_SEC_CONF_PARAMS, + .header.len = sizeof(uvcb), + .guest_handle = uvcb_cgc.guest_handle, + .sec_header_origin = 0, + .sec_header_len = 0x1000, + }; + void *pages = alloc_pages(1); + void *inv; + int rc; + + report_prefix_push("sscp"); + + uvcb.header.len -= 8; + rc = uv_call(0, (uint64_t)&uvcb); + report(rc == 1 && uvcb.header.rc == UVC_RC_INV_LEN, + "hdr invalid length"); + uvcb.header.len += 8; + + uvcb.guest_handle += 1; + rc = uv_call(0, (uint64_t)&uvcb); + report(rc == 1 && uvcb.header.rc == UVC_RC_INV_GHANDLE, "invalid handle"); + uvcb.guest_handle -= 1; + + inv = pages + PAGE_SIZE; + uvcb.sec_header_origin = (uint64_t)inv; + protect_page(inv, PAGE_ENTRY_I); + rc = uv_call(0, (uint64_t)&uvcb); + report(rc == 1 && uvcb.header.rc == 0x103, + "se hdr access exception"); + + /* + * Shift the ptr so the first few DWORDs are accessible but + * the following are on an invalid page. + */ + uvcb.sec_header_origin -= 0x20; + rc = uv_call(0, (uint64_t)&uvcb); + report(rc == 1 && uvcb.header.rc == 0x103, + "se hdr access exception crossing"); + unprotect_page(inv, PAGE_ENTRY_I); + + free_pages(pages); + report_prefix_pop(); +} + static void test_cpu_create(void) { int rc; @@ -669,6 +716,7 @@ int main(void) test_config_create(); test_cpu_create(); + test_set_se_header(); test_cpu_destroy(); test_config_destroy(); test_clear();