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Tue, 1 Jun 2021 14:42:42 +0000 (GMT) X-AuditID: b6c32a4b-7dfff7000000266b-25-60b64d8f43ad Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id 25.B5.08163.26746B06; Tue, 1 Jun 2021 23:42:42 +0900 (KST) Received: from 2030045822.sa.corp.samsungelectronics.net (unknown [107.108.221.178]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210601144241epsmtip1ea6bd92e4957a28d5ccb5d1fdc221124~EfGoiod4A3260032600epsmtip1d; Tue, 1 Jun 2021 14:42:40 +0000 (GMT) From: Gollu Appalanaidu To: qemu-devel@nongnu.org Subject: [PATCH v2 2/2] tests/qtest/nvme-test: add boot partition read test Date: Tue, 1 Jun 2021 20:07:49 +0530 Message-Id: <20210601143749.1669-3-anaidu.gollu@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210601143749.1669-1-anaidu.gollu@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrAIsWRmVeSWpSXmKPExsWy7bCmlm6/77YEg/kH9C1e7zzObHFl/3lG i/0Hv7FaTDp0jdFiycVUi3m3lC1mvWtnszjeu4PF4vWk/6wOnB4/zrWzeZzbcZ7dY9OqTjaP J9c2M3m833eVzaNvyyrGALYoLpuU1JzMstQifbsErowFDStZCvq1Ko5c/sTYwLhDoYuRk0NC wETiY9sMli5GLg4hgd2MEs2bpjJDOJ8YJXqurWUDqRIS+MwocX9PDkzH/wknoIp2MUrMXfmf FcLpZJJ49a+LCaSKTcBIYvbbN4wgtoiApMTvrtPMIDYzyI5vc3W6GDk4hAW8JZ41JoOEWQRU JU5N/84KYvMK2EhsnrWSFWKZvMTqDQfAWjkFbCWe/NvLCLJLQuARu8SRnslMEEUuEtt3LWWD sIUlXh3fwg5hS0m87G8DstmB7GqJw0UQrR2MEscub4Aqt5f492waI8g5zAKaEut36UOEZSWm nlrHBHExn0Tv7ydQm3gldsyDsdUkFtz6DrVJRmLmn9tQJ3tIzJr6AhpuExglZs+0ncAoNwth wwJGxlWMkqkFxbnpqcWmBcZ5qeV6xYm5xaV56XrJ+bmbGMGJQst7B+OjBx/0DjEycTAeYpTg YFYS4XXP25ogxJuSWFmVWpQfX1Sak1p8iFGag0VJnHfFw8kJQgLpiSWp2ampBalFMFkmDk6p BqaGTTfunezP1ldYzn3j3i83x8apb3fWKnaovRKs7tWP+74m+ONbs/7G5kOvs98aJumt6mZX FZb/OEcqNnnmHZVN8zY3WdXvm6m/6F5HY6YcxxGGm5xWvOWz+vad65tn7TIrZULtvIMX/2a/ XGRREBP9nulgh+z60kO/KsX1j7Q+46sxavjCpbNrh+iCSabqMWurivoC4i/NVO/5GmEuZ2oh 0qGYs9zgZKrhLvlDlk82JmpmbbKefOp6/+0j80/t/5H+5bHuJF8n/hWCL2Y11j3kdz0//RWH 4koFHQbemItPdu3pUjnptzGi34Q3bnX1jbu3vhm9XR318d4JlS1hX1d/2ibev6/A++W3TQxy OTFKLMUZiYZazEXFiQAV3C2IgwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrKLMWRmVeSWpSXmKPExsWy7bCSnG6S+7YEg6sXJSxe7zzObHFl/3lG i/0Hv7FaTDp0jdFiycVUi3m3lC1mvWtnszjeu4PF4vWk/6wOnB4/zrWzeZzbcZ7dY9OqTjaP J9c2M3m833eVzaNvyyrGALYoLpuU1JzMstQifbsErowFDStZCvq1Ko5c/sTYwLhDoYuRk0NC wETi/4QTzF2MXBxCAjsYJTY+n84EkZCR+HVqKjOELSyx8t9zdoiidiaJGzsngBWxCRhJzH77 hhHEFhGQlPjddRpsErPAUUaJy+2TWboYOTiEBbwlnjUmg9SwCKhKnJr+nRXE5hWwkdg8ayUr xAJ5idUbDoAt4xSwlXjyby/YTCGgmrajkxknMPItYGRYxSiZWlCcm55bbFhglJdarlecmFtc mpeul5yfu4kRHJJaWjsY96z6oHeIkYmD8RCjBAezkgive97WBCHelMTKqtSi/Pii0pzU4kOM 0hwsSuK8F7pOxgsJpCeWpGanphakFsFkmTg4pRqY4v79v7PwUuPphWXWF6b+ZFt8d+pBz4Um T7/smLM1hlVafKWNj1BuzUH7rIXJtb8Pxbkd3nXltN+akzsXWJf08ApYc86MFZol+KrC8U/E dd25WpVvrkzXiTxkEZ4Yd+H1LeFHmW/ehX/b2c/F/Xjqvacpi5+s4TX/aXJRbdX/0msfxDw7 8rVDUoVyireofV+4OVSZcdVMxdWqrn+aQ7W2GG/O68u+8i/i5ZVJztXn183rt32Ze7Tg9bM2 s/PmnqeKefquKlptbLrx+2aHq8/nvV4brB6++6mc5/ua456Ke2X/V+E1189dONVq57+O72y9 Z3d6x0udl9m5ch/2rb2+QVTwMvchb8FGtlWS4lXLriixFGckGmoxFxUnAgBdKTbNuAIAAA== X-CMS-MailID: 20210601144242epcas5p1292f656f45aebd1b9c75fe54797d6b46 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P X-CMS-RootMailID: 20210601144242epcas5p1292f656f45aebd1b9c75fe54797d6b46 References: <20210601143749.1669-1-anaidu.gollu@samsung.com> Received-SPF: pass client-ip=203.254.224.33; envelope-from=anaidu.gollu@samsung.com; helo=mailout3.samsung.com X-Spam_score_int: -74 X-Spam_score: -7.5 X-Spam_bar: ------- X-Spam_report: (-7.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.371, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, kwolf@redhat.com, qemu-block@nongnu.org, Gollu Appalanaidu , mreitz@redhat.com, its@irrelevant.dk, stefanha@redhat.com, kbusch@kernel.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Add a test case for reading an NVMe Boot Partition without enabling the controller. Signed-off-by: Gollu Appalanaidu --- tests/qtest/nvme-test.c | 118 +++++++++++++++++++++++++++++++++++++++- 1 file changed, 117 insertions(+), 1 deletion(-) diff --git a/tests/qtest/nvme-test.c b/tests/qtest/nvme-test.c index d32c953a38..39d2e26f76 100644 --- a/tests/qtest/nvme-test.c +++ b/tests/qtest/nvme-test.c @@ -13,6 +13,19 @@ #include "libqos/libqtest.h" #include "libqos/qgraph.h" #include "libqos/pci.h" +#include "libqos/pci-pc.h" +#include "libqos/malloc-pc.h" +#include "libqos/malloc.h" +#include "libqos/libqos.h" +#include "include/block/nvme.h" +#include "include/hw/pci/pci.h" + +#define NVME_BPINFO_BPSZ_UNITS (128 * KiB) +#define NVME_BRS_BPSZ_UNITS (4 * KiB) +#define NVME_BRS_READ_MAX_TIME 1000000 +#define TEST_IMAGE_SIZE (2 * 128 * KiB) + +static char *t_path; typedef struct QNvme QNvme; @@ -44,6 +57,13 @@ static void *nvme_create(void *pci_bus, QGuestAllocator *alloc, void *addr) return &nvme->obj; } +static void drive_destroy(void *path) +{ + unlink(path); + g_free(path); + qos_invalidate_command_line(); +} + /* This used to cause a NULL pointer dereference. */ static void nvmetest_oob_cmb_test(void *obj, void *data, QGuestAllocator *alloc) { @@ -66,12 +86,100 @@ static void nvmetest_oob_cmb_test(void *obj, void *data, QGuestAllocator *alloc) g_assert_cmpint(qpci_io_readl(pdev, bar, cmb_bar_size - 1), !=, 0x44332211); } +static void nvmetest_bp_read_test(void *obj, void *data, QGuestAllocator *alloc) +{ + uint16_t test_size = 32; + size_t bp_test_len = test_size * NVME_BRS_BPSZ_UNITS; + uint8_t *read_buf = g_malloc(bp_test_len); + uint8_t *cmp_buf = g_malloc(bp_test_len); + QNvme *nvme = obj; + QPCIDevice *pdev = &nvme->dev; + QPCIBar nvme_bar; + uint8_t brs = 0; + uint64_t sleep_time = 0; + uintptr_t guest_buf; + uint64_t buf_addr; + + memset(cmp_buf, 0x42, bp_test_len); + + guest_buf = guest_alloc(alloc, bp_test_len); + buf_addr = cpu_to_le64(guest_buf); + + qpci_device_enable(pdev); + nvme_bar = qpci_iomap(pdev, 0, NULL); + + /* BPINFO */ + uint32_t bpinfo = qpci_io_readl(pdev, nvme_bar, 0x40); + uint16_t single_bp_size = bpinfo & BPINFO_BPSZ_MASK; + uint8_t active_bpid = bpinfo >> BPINFO_ABPID_SHIFT; + uint8_t read_select = (bpinfo >> BPINFO_BRS_SHIFT) & BPINFO_BRS_MASK; + + g_assert_cmpint(single_bp_size, ==, 0x1); + g_assert_cmpint(active_bpid, ==, 0); + g_assert_cmpint(read_select, ==, NVME_BPINFO_BRS_NOREAD); + + /* BPMBL */ + uint64_t bpmbl = buf_addr; + uint32_t bpmbl_low = bpmbl & 0xffffffff; + uint32_t bpmbl_hi = (bpmbl >> 32) & 0xffffffff; + qpci_io_writel(pdev, nvme_bar, 0x48, bpmbl_low); + qpci_io_writel(pdev, nvme_bar, 0x4c, bpmbl_hi); + + /* BPRSEL */ + qpci_io_writel(pdev, nvme_bar, 0x44, 32); + + while (true) { + usleep(1000); + sleep_time += 1000; + brs = qpci_io_readb(pdev, nvme_bar, 0x43) & BPINFO_BRS_MASK; + if (brs == NVME_BPINFO_BRS_SUCCESS || brs == NVME_BPINFO_BRS_ERROR || + sleep_time == NVME_BRS_READ_MAX_TIME) { + break; + } + } + g_assert_cmpint(brs, ==, NVME_BPINFO_BRS_SUCCESS); + + qtest_memread(pdev->bus->qts, guest_buf, read_buf, bp_test_len); + g_assert_cmpint(memcmp(cmp_buf, read_buf, bp_test_len), ==, 0); + + g_free(cmp_buf); + g_free(read_buf); + g_test_queue_destroy(drive_destroy, t_path); +} + static void nvme_register_nodes(void) { + int fd; + FILE *fh; + uint16_t bpsz = 2; + size_t bp_len = NVME_BPINFO_BPSZ_UNITS * bpsz; + size_t ret; + uint8_t *pattern = g_malloc(bp_len); + + t_path = g_strdup("/tmp/qtest.XXXXXX"); + + /* Create a temporary raw image */ + fd = mkstemp(t_path); + g_assert_cmpint(fd, >=, 0); + ret = ftruncate(fd, TEST_IMAGE_SIZE); + g_assert_cmpint(ret, ==, 0); + close(fd); + + memset(pattern, 0x42, bp_len); + + fh = fopen(t_path, "w+"); + ret = fwrite(pattern, NVME_BPINFO_BPSZ_UNITS, bpsz, fh); + g_assert_cmpint(ret, ==, bpsz); + fclose(fh); + + char *bp_cmd_line = g_strdup_printf("-drive id=bp0,file=%s,if=none," + "format=raw", t_path); + QOSGraphEdgeOptions opts = { .extra_device_opts = "addr=04.0,drive=drv0,serial=foo", .before_cmd_line = "-drive id=drv0,if=none,file=null-co://," - "file.read-zeroes=on,format=raw", + "file.read-zeroes=on,format=raw ", + bp_cmd_line, }; add_qpci_address(&opts, &(QPCIAddress) { .devfn = QPCI_DEVFN(4, 0) }); @@ -83,6 +191,14 @@ static void nvme_register_nodes(void) qos_add_test("oob-cmb-access", "nvme", nvmetest_oob_cmb_test, &(QOSGraphTestOptions) { .edge.extra_device_opts = "cmb_size_mb=2" }); + + qos_add_test("bp-read-access", "nvme", nvmetest_bp_read_test, + &(QOSGraphTestOptions) { + .edge.extra_device_opts = "bootpart=bp0" + }); + + /* Clean Up */ + g_free(pattern); } libqos_init(nvme_register_nodes);