diff options
Diffstat (limited to 'tests/ide-test.c')
| -rw-r--r-- | tests/ide-test.c | 1062 |
1 files changed, 0 insertions, 1062 deletions
diff --git a/tests/ide-test.c b/tests/ide-test.c deleted file mode 100644 index 33cef61e1f..0000000000 --- a/tests/ide-test.c +++ /dev/null @@ -1,1062 +0,0 @@ -/* - * IDE test cases - * - * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com> - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "qemu/osdep.h" - - -#include "libqtest.h" -#include "libqos/libqos.h" -#include "libqos/pci-pc.h" -#include "libqos/malloc-pc.h" -#include "qapi/qmp/qdict.h" -#include "qemu-common.h" -#include "qemu/bswap.h" -#include "hw/pci/pci_ids.h" -#include "hw/pci/pci_regs.h" - -/* TODO actually test the results and get rid of this */ -#define qmp_discard_response(...) qobject_unref(qmp(__VA_ARGS__)) - -#define TEST_IMAGE_SIZE 64 * 1024 * 1024 - -#define IDE_PCI_DEV 1 -#define IDE_PCI_FUNC 1 - -#define IDE_BASE 0x1f0 -#define IDE_PRIMARY_IRQ 14 - -#define ATAPI_BLOCK_SIZE 2048 - -/* How many bytes to receive via ATAPI PIO at one time. - * Must be less than 0xFFFF. */ -#define BYTE_COUNT_LIMIT 5120 - -enum { - reg_data = 0x0, - reg_feature = 0x1, - reg_error = 0x1, - reg_nsectors = 0x2, - reg_lba_low = 0x3, - reg_lba_middle = 0x4, - reg_lba_high = 0x5, - reg_device = 0x6, - reg_status = 0x7, - reg_command = 0x7, -}; - -enum { - BSY = 0x80, - DRDY = 0x40, - DF = 0x20, - DRQ = 0x08, - ERR = 0x01, -}; - -/* Error field */ -enum { - ABRT = 0x04, -}; - -enum { - DEV = 0x10, - LBA = 0x40, -}; - -enum { - bmreg_cmd = 0x0, - bmreg_status = 0x2, - bmreg_prdt = 0x4, -}; - -enum { - CMD_DSM = 0x06, - CMD_READ_DMA = 0xc8, - CMD_WRITE_DMA = 0xca, - CMD_FLUSH_CACHE = 0xe7, - CMD_IDENTIFY = 0xec, - CMD_PACKET = 0xa0, - - CMDF_ABORT = 0x100, - CMDF_NO_BM = 0x200, -}; - -enum { - BM_CMD_START = 0x1, - BM_CMD_WRITE = 0x8, /* write = from device to memory */ -}; - -enum { - BM_STS_ACTIVE = 0x1, - BM_STS_ERROR = 0x2, - BM_STS_INTR = 0x4, -}; - -enum { - PRDT_EOT = 0x80000000, -}; - -#define assert_bit_set(data, mask) g_assert_cmphex((data) & (mask), ==, (mask)) -#define assert_bit_clear(data, mask) g_assert_cmphex((data) & (mask), ==, 0) - -static QPCIBus *pcibus = NULL; -static QGuestAllocator *guest_malloc; - -static char tmp_path[] = "/tmp/qtest.XXXXXX"; -static char debug_path[] = "/tmp/qtest-blkdebug.XXXXXX"; - -static void ide_test_start(const char *cmdline_fmt, ...) -{ - va_list ap; - char *cmdline; - - va_start(ap, cmdline_fmt); - cmdline = g_strdup_vprintf(cmdline_fmt, ap); - va_end(ap); - - qtest_start(cmdline); - guest_malloc = pc_alloc_init(global_qtest); - - g_free(cmdline); -} - -static void ide_test_quit(void) -{ - pc_alloc_uninit(guest_malloc); - guest_malloc = NULL; - qtest_end(); -} - -static QPCIDevice *get_pci_device(QPCIBar *bmdma_bar, QPCIBar *ide_bar) -{ - QPCIDevice *dev; - uint16_t vendor_id, device_id; - - if (!pcibus) { - pcibus = qpci_init_pc(global_qtest, NULL); - } - - /* Find PCI device and verify it's the right one */ - dev = qpci_device_find(pcibus, QPCI_DEVFN(IDE_PCI_DEV, IDE_PCI_FUNC)); - g_assert(dev != NULL); - - vendor_id = qpci_config_readw(dev, PCI_VENDOR_ID); - device_id = qpci_config_readw(dev, PCI_DEVICE_ID); - g_assert(vendor_id == PCI_VENDOR_ID_INTEL); - g_assert(device_id == PCI_DEVICE_ID_INTEL_82371SB_1); - - /* Map bmdma BAR */ - *bmdma_bar = qpci_iomap(dev, 4, NULL); - - *ide_bar = qpci_legacy_iomap(dev, IDE_BASE); - - qpci_device_enable(dev); - - return dev; -} - -static void free_pci_device(QPCIDevice *dev) -{ - /* libqos doesn't have a function for this, so free it manually */ - g_free(dev); -} - -typedef struct PrdtEntry { - uint32_t addr; - uint32_t size; -} QEMU_PACKED PrdtEntry; - -#define assert_bit_set(data, mask) g_assert_cmphex((data) & (mask), ==, (mask)) -#define assert_bit_clear(data, mask) g_assert_cmphex((data) & (mask), ==, 0) - -static uint64_t trim_range_le(uint64_t sector, uint16_t count) -{ - /* 2-byte range, 6-byte LBA */ - return cpu_to_le64(((uint64_t)count << 48) + sector); -} - -static int send_dma_request(int cmd, uint64_t sector, int nb_sectors, - PrdtEntry *prdt, int prdt_entries, - void(*post_exec)(QPCIDevice *dev, QPCIBar ide_bar, - uint64_t sector, int nb_sectors)) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uintptr_t guest_prdt; - size_t len; - bool from_dev; - uint8_t status; - int flags; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - flags = cmd & ~0xff; - cmd &= 0xff; - - switch (cmd) { - case CMD_READ_DMA: - case CMD_PACKET: - /* Assuming we only test data reads w/ ATAPI, otherwise we need to know - * the SCSI command being sent in the packet, too. */ - from_dev = true; - break; - case CMD_DSM: - case CMD_WRITE_DMA: - from_dev = false; - break; - default: - g_assert_not_reached(); - } - - if (flags & CMDF_NO_BM) { - qpci_config_writew(dev, PCI_COMMAND, - PCI_COMMAND_IO | PCI_COMMAND_MEMORY); - } - - /* Select device 0 */ - qpci_io_writeb(dev, ide_bar, reg_device, 0 | LBA); - - /* Stop any running transfer, clear any pending interrupt */ - qpci_io_writeb(dev, bmdma_bar, bmreg_cmd, 0); - qpci_io_writeb(dev, bmdma_bar, bmreg_status, BM_STS_INTR); - - /* Setup PRDT */ - len = sizeof(*prdt) * prdt_entries; - guest_prdt = guest_alloc(guest_malloc, len); - memwrite(guest_prdt, prdt, len); - qpci_io_writel(dev, bmdma_bar, bmreg_prdt, guest_prdt); - - /* ATA DMA command */ - if (cmd == CMD_PACKET) { - /* Enables ATAPI DMA; otherwise PIO is attempted */ - qpci_io_writeb(dev, ide_bar, reg_feature, 0x01); - } else { - if (cmd == CMD_DSM) { - /* trim bit */ - qpci_io_writeb(dev, ide_bar, reg_feature, 0x01); - } - qpci_io_writeb(dev, ide_bar, reg_nsectors, nb_sectors); - qpci_io_writeb(dev, ide_bar, reg_lba_low, sector & 0xff); - qpci_io_writeb(dev, ide_bar, reg_lba_middle, (sector >> 8) & 0xff); - qpci_io_writeb(dev, ide_bar, reg_lba_high, (sector >> 16) & 0xff); - } - - qpci_io_writeb(dev, ide_bar, reg_command, cmd); - - if (post_exec) { - post_exec(dev, ide_bar, sector, nb_sectors); - } - - /* Start DMA transfer */ - qpci_io_writeb(dev, bmdma_bar, bmreg_cmd, - BM_CMD_START | (from_dev ? BM_CMD_WRITE : 0)); - - if (flags & CMDF_ABORT) { - qpci_io_writeb(dev, bmdma_bar, bmreg_cmd, 0); - } - - /* Wait for the DMA transfer to complete */ - do { - status = qpci_io_readb(dev, bmdma_bar, bmreg_status); - } while ((status & (BM_STS_ACTIVE | BM_STS_INTR)) == BM_STS_ACTIVE); - - g_assert_cmpint(get_irq(IDE_PRIMARY_IRQ), ==, !!(status & BM_STS_INTR)); - - /* Check IDE status code */ - assert_bit_set(qpci_io_readb(dev, ide_bar, reg_status), DRDY); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), BSY | DRQ); - - /* Reading the status register clears the IRQ */ - g_assert(!get_irq(IDE_PRIMARY_IRQ)); - - /* Stop DMA transfer if still active */ - if (status & BM_STS_ACTIVE) { - qpci_io_writeb(dev, bmdma_bar, bmreg_cmd, 0); - } - - free_pci_device(dev); - - return status; -} - -static void test_bmdma_simple_rw(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - uint8_t *buf; - uint8_t *cmpbuf; - size_t len = 512; - uintptr_t guest_buf = guest_alloc(guest_malloc, len); - - PrdtEntry prdt[] = { - { - .addr = cpu_to_le32(guest_buf), - .size = cpu_to_le32(len | PRDT_EOT), - }, - }; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - buf = g_malloc(len); - cmpbuf = g_malloc(len); - - /* Write 0x55 pattern to sector 0 */ - memset(buf, 0x55, len); - memwrite(guest_buf, buf, len); - - status = send_dma_request(CMD_WRITE_DMA, 0, 1, prdt, - ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - /* Write 0xaa pattern to sector 1 */ - memset(buf, 0xaa, len); - memwrite(guest_buf, buf, len); - - status = send_dma_request(CMD_WRITE_DMA, 1, 1, prdt, - ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - /* Read and verify 0x55 pattern in sector 0 */ - memset(cmpbuf, 0x55, len); - - status = send_dma_request(CMD_READ_DMA, 0, 1, prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - memread(guest_buf, buf, len); - g_assert(memcmp(buf, cmpbuf, len) == 0); - - /* Read and verify 0xaa pattern in sector 1 */ - memset(cmpbuf, 0xaa, len); - - status = send_dma_request(CMD_READ_DMA, 1, 1, prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - memread(guest_buf, buf, len); - g_assert(memcmp(buf, cmpbuf, len) == 0); - - - free_pci_device(dev); - g_free(buf); - g_free(cmpbuf); -} - -static void test_bmdma_trim(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - const uint64_t trim_range[] = { trim_range_le(0, 2), - trim_range_le(6, 8), - trim_range_le(10, 1), - }; - const uint64_t bad_range = trim_range_le(TEST_IMAGE_SIZE / 512 - 1, 2); - size_t len = 512; - uint8_t *buf; - uintptr_t guest_buf = guest_alloc(guest_malloc, len); - - PrdtEntry prdt[] = { - { - .addr = cpu_to_le32(guest_buf), - .size = cpu_to_le32(len | PRDT_EOT), - }, - }; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - buf = g_malloc(len); - - /* Normal request */ - *((uint64_t *)buf) = trim_range[0]; - *((uint64_t *)buf + 1) = trim_range[1]; - - memwrite(guest_buf, buf, 2 * sizeof(uint64_t)); - - status = send_dma_request(CMD_DSM, 0, 1, prdt, - ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - /* Request contains invalid range */ - *((uint64_t *)buf) = trim_range[2]; - *((uint64_t *)buf + 1) = bad_range; - - memwrite(guest_buf, buf, 2 * sizeof(uint64_t)); - - status = send_dma_request(CMD_DSM, 0, 1, prdt, - ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_set(qpci_io_readb(dev, ide_bar, reg_status), ERR); - assert_bit_set(qpci_io_readb(dev, ide_bar, reg_error), ABRT); - - free_pci_device(dev); - g_free(buf); -} - -static void test_bmdma_short_prdt(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - - PrdtEntry prdt[] = { - { - .addr = 0, - .size = cpu_to_le32(0x10 | PRDT_EOT), - }, - }; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* Normal request */ - status = send_dma_request(CMD_READ_DMA, 0, 1, - prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, 0); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - /* Abort the request before it completes */ - status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 1, - prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, 0); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - free_pci_device(dev); -} - -static void test_bmdma_one_sector_short_prdt(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - - /* Read 2 sectors but only give 1 sector in PRDT */ - PrdtEntry prdt[] = { - { - .addr = 0, - .size = cpu_to_le32(0x200 | PRDT_EOT), - }, - }; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* Normal request */ - status = send_dma_request(CMD_READ_DMA, 0, 2, - prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, 0); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - /* Abort the request before it completes */ - status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 2, - prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, 0); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - free_pci_device(dev); -} - -static void test_bmdma_long_prdt(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - - PrdtEntry prdt[] = { - { - .addr = 0, - .size = cpu_to_le32(0x1000 | PRDT_EOT), - }, - }; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* Normal request */ - status = send_dma_request(CMD_READ_DMA, 0, 1, - prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_ACTIVE | BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - /* Abort the request before it completes */ - status = send_dma_request(CMD_READ_DMA | CMDF_ABORT, 0, 1, - prdt, ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - free_pci_device(dev); -} - -static void test_bmdma_no_busmaster(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* No PRDT_EOT, each entry addr 0/size 64k, and in theory qemu shouldn't be - * able to access it anyway because the Bus Master bit in the PCI command - * register isn't set. This is complete nonsense, but it used to be pretty - * good at confusing and occasionally crashing qemu. */ - PrdtEntry prdt[4096] = { }; - - status = send_dma_request(CMD_READ_DMA | CMDF_NO_BM, 0, 512, - prdt, ARRAY_SIZE(prdt), NULL); - - /* Not entirely clear what the expected result is, but this is what we get - * in practice. At least we want to be aware of any changes. */ - g_assert_cmphex(status, ==, BM_STS_ACTIVE | BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - free_pci_device(dev); -} - -static void test_bmdma_setup(void) -{ - ide_test_start( - "-drive file=%s,if=ide,cache=writeback,format=raw " - "-global ide-hd.serial=%s -global ide-hd.ver=%s", - tmp_path, "testdisk", "version"); - qtest_irq_intercept_in(global_qtest, "ioapic"); -} - -static void test_bmdma_teardown(void) -{ - ide_test_quit(); -} - -static void string_cpu_to_be16(uint16_t *s, size_t bytes) -{ - g_assert((bytes & 1) == 0); - bytes /= 2; - - while (bytes--) { - *s = cpu_to_be16(*s); - s++; - } -} - -static void test_identify(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t data; - uint16_t buf[256]; - int i; - int ret; - - ide_test_start( - "-drive file=%s,if=ide,cache=writeback,format=raw " - "-global ide-hd.serial=%s -global ide-hd.ver=%s", - tmp_path, "testdisk", "version"); - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* IDENTIFY command on device 0*/ - qpci_io_writeb(dev, ide_bar, reg_device, 0); - qpci_io_writeb(dev, ide_bar, reg_command, CMD_IDENTIFY); - - /* Read in the IDENTIFY buffer and check registers */ - data = qpci_io_readb(dev, ide_bar, reg_device); - g_assert_cmpint(data & DEV, ==, 0); - - for (i = 0; i < 256; i++) { - data = qpci_io_readb(dev, ide_bar, reg_status); - assert_bit_set(data, DRDY | DRQ); - assert_bit_clear(data, BSY | DF | ERR); - - buf[i] = qpci_io_readw(dev, ide_bar, reg_data); - } - - data = qpci_io_readb(dev, ide_bar, reg_status); - assert_bit_set(data, DRDY); - assert_bit_clear(data, BSY | DF | ERR | DRQ); - - /* Check serial number/version in the buffer */ - string_cpu_to_be16(&buf[10], 20); - ret = memcmp(&buf[10], "testdisk ", 20); - g_assert(ret == 0); - - string_cpu_to_be16(&buf[23], 8); - ret = memcmp(&buf[23], "version ", 8); - g_assert(ret == 0); - - /* Write cache enabled bit */ - assert_bit_set(buf[85], 0x20); - - ide_test_quit(); - free_pci_device(dev); -} - -/* - * Write sector 1 with random data to make IDE storage dirty - * Needed for flush tests so that flushes actually go though the block layer - */ -static void make_dirty(uint8_t device) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t status; - size_t len = 512; - uintptr_t guest_buf; - void* buf; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - guest_buf = guest_alloc(guest_malloc, len); - buf = g_malloc(len); - memset(buf, rand() % 255 + 1, len); - g_assert(guest_buf); - g_assert(buf); - - memwrite(guest_buf, buf, len); - - PrdtEntry prdt[] = { - { - .addr = cpu_to_le32(guest_buf), - .size = cpu_to_le32(len | PRDT_EOT), - }, - }; - - status = send_dma_request(CMD_WRITE_DMA, 1, 1, prdt, - ARRAY_SIZE(prdt), NULL); - g_assert_cmphex(status, ==, BM_STS_INTR); - assert_bit_clear(qpci_io_readb(dev, ide_bar, reg_status), DF | ERR); - - g_free(buf); - free_pci_device(dev); -} - -static void test_flush(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t data; - - ide_test_start( - "-drive file=blkdebug::%s,if=ide,cache=writeback,format=raw", - tmp_path); - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - qtest_irq_intercept_in(global_qtest, "ioapic"); - - /* Dirty media so that CMD_FLUSH_CACHE will actually go to disk */ - make_dirty(0); - - /* Delay the completion of the flush request until we explicitly do it */ - g_free(hmp("qemu-io ide0-hd0 \"break flush_to_os A\"")); - - /* FLUSH CACHE command on device 0*/ - qpci_io_writeb(dev, ide_bar, reg_device, 0); - qpci_io_writeb(dev, ide_bar, reg_command, CMD_FLUSH_CACHE); - - /* Check status while request is in flight*/ - data = qpci_io_readb(dev, ide_bar, reg_status); - assert_bit_set(data, BSY | DRDY); - assert_bit_clear(data, DF | ERR | DRQ); - - /* Complete the command */ - g_free(hmp("qemu-io ide0-hd0 \"resume A\"")); - - /* Check registers */ - data = qpci_io_readb(dev, ide_bar, reg_device); - g_assert_cmpint(data & DEV, ==, 0); - - do { - data = qpci_io_readb(dev, ide_bar, reg_status); - } while (data & BSY); - - assert_bit_set(data, DRDY); - assert_bit_clear(data, BSY | DF | ERR | DRQ); - - ide_test_quit(); - free_pci_device(dev); -} - -static void test_retry_flush(const char *machine) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t data; - - prepare_blkdebug_script(debug_path, "flush_to_disk"); - - ide_test_start( - "-drive file=blkdebug:%s:%s,if=ide,cache=writeback,format=raw," - "rerror=stop,werror=stop", - debug_path, tmp_path); - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - qtest_irq_intercept_in(global_qtest, "ioapic"); - - /* Dirty media so that CMD_FLUSH_CACHE will actually go to disk */ - make_dirty(0); - - /* FLUSH CACHE command on device 0*/ - qpci_io_writeb(dev, ide_bar, reg_device, 0); - qpci_io_writeb(dev, ide_bar, reg_command, CMD_FLUSH_CACHE); - - /* Check status while request is in flight*/ - data = qpci_io_readb(dev, ide_bar, reg_status); - assert_bit_set(data, BSY | DRDY); - assert_bit_clear(data, DF | ERR | DRQ); - - qmp_eventwait("STOP"); - - /* Complete the command */ - qmp_discard_response("{'execute':'cont' }"); - - /* Check registers */ - data = qpci_io_readb(dev, ide_bar, reg_device); - g_assert_cmpint(data & DEV, ==, 0); - - do { - data = qpci_io_readb(dev, ide_bar, reg_status); - } while (data & BSY); - - assert_bit_set(data, DRDY); - assert_bit_clear(data, BSY | DF | ERR | DRQ); - - ide_test_quit(); - free_pci_device(dev); -} - -static void test_flush_nodev(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - - ide_test_start(""); - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* FLUSH CACHE command on device 0*/ - qpci_io_writeb(dev, ide_bar, reg_device, 0); - qpci_io_writeb(dev, ide_bar, reg_command, CMD_FLUSH_CACHE); - - /* Just testing that qemu doesn't crash... */ - - free_pci_device(dev); - ide_test_quit(); -} - -static void test_flush_empty_drive(void) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - - ide_test_start("-device ide-cd,bus=ide.0"); - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* FLUSH CACHE command on device 0 */ - qpci_io_writeb(dev, ide_bar, reg_device, 0); - qpci_io_writeb(dev, ide_bar, reg_command, CMD_FLUSH_CACHE); - - /* Just testing that qemu doesn't crash... */ - - free_pci_device(dev); - ide_test_quit(); -} - -static void test_pci_retry_flush(void) -{ - test_retry_flush("pc"); -} - -static void test_isa_retry_flush(void) -{ - test_retry_flush("isapc"); -} - -typedef struct Read10CDB { - uint8_t opcode; - uint8_t flags; - uint32_t lba; - uint8_t reserved; - uint16_t nblocks; - uint8_t control; - uint16_t padding; -} __attribute__((__packed__)) Read10CDB; - -static void send_scsi_cdb_read10(QPCIDevice *dev, QPCIBar ide_bar, - uint64_t lba, int nblocks) -{ - Read10CDB pkt = { .padding = 0 }; - int i; - - g_assert_cmpint(lba, <=, UINT32_MAX); - g_assert_cmpint(nblocks, <=, UINT16_MAX); - g_assert_cmpint(nblocks, >=, 0); - - /* Construct SCSI CDB packet */ - pkt.opcode = 0x28; - pkt.lba = cpu_to_be32(lba); - pkt.nblocks = cpu_to_be16(nblocks); - - /* Send Packet */ - for (i = 0; i < sizeof(Read10CDB)/2; i++) { - qpci_io_writew(dev, ide_bar, reg_data, - le16_to_cpu(((uint16_t *)&pkt)[i])); - } -} - -static void nsleep(int64_t nsecs) -{ - const struct timespec val = { .tv_nsec = nsecs }; - nanosleep(&val, NULL); - clock_set(nsecs); -} - -static uint8_t ide_wait_clear(uint8_t flag) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - uint8_t data; - time_t st; - - dev = get_pci_device(&bmdma_bar, &ide_bar); - - /* Wait with a 5 second timeout */ - time(&st); - while (true) { - data = qpci_io_readb(dev, ide_bar, reg_status); - if (!(data & flag)) { - free_pci_device(dev); - return data; - } - if (difftime(time(NULL), st) > 5.0) { - break; - } - nsleep(400); - } - g_assert_not_reached(); -} - -static void ide_wait_intr(int irq) -{ - time_t st; - bool intr; - - time(&st); - while (true) { - intr = get_irq(irq); - if (intr) { - return; - } - if (difftime(time(NULL), st) > 5.0) { - break; - } - nsleep(400); - } - - g_assert_not_reached(); -} - -static void cdrom_pio_impl(int nblocks) -{ - QPCIDevice *dev; - QPCIBar bmdma_bar, ide_bar; - FILE *fh; - int patt_blocks = MAX(16, nblocks); - size_t patt_len = ATAPI_BLOCK_SIZE * patt_blocks; - char *pattern = g_malloc(patt_len); - size_t rxsize = ATAPI_BLOCK_SIZE * nblocks; - uint16_t *rx = g_malloc0(rxsize); - int i, j; - uint8_t data; - uint16_t limit; - size_t ret; - - /* Prepopulate the CDROM with an interesting pattern */ - generate_pattern(pattern, patt_len, ATAPI_BLOCK_SIZE); - fh = fopen(tmp_path, "w+"); - ret = fwrite(pattern, ATAPI_BLOCK_SIZE, patt_blocks, fh); - g_assert_cmpint(ret, ==, patt_blocks); - fclose(fh); - - ide_test_start("-drive if=none,file=%s,media=cdrom,format=raw,id=sr0,index=0 " - "-device ide-cd,drive=sr0,bus=ide.0", tmp_path); - dev = get_pci_device(&bmdma_bar, &ide_bar); - qtest_irq_intercept_in(global_qtest, "ioapic"); - - /* PACKET command on device 0 */ - qpci_io_writeb(dev, ide_bar, reg_device, 0); - qpci_io_writeb(dev, ide_bar, reg_lba_middle, BYTE_COUNT_LIMIT & 0xFF); - qpci_io_writeb(dev, ide_bar, reg_lba_high, (BYTE_COUNT_LIMIT >> 8 & 0xFF)); - qpci_io_writeb(dev, ide_bar, reg_command, CMD_PACKET); - /* HP0: Check_Status_A State */ - nsleep(400); - data = ide_wait_clear(BSY); - /* HP1: Send_Packet State */ - assert_bit_set(data, DRQ | DRDY); - assert_bit_clear(data, ERR | DF | BSY); - - /* SCSI CDB (READ10) -- read n*2048 bytes from block 0 */ - send_scsi_cdb_read10(dev, ide_bar, 0, nblocks); - - /* Read data back: occurs in bursts of 'BYTE_COUNT_LIMIT' bytes. - * If BYTE_COUNT_LIMIT is odd, we transfer BYTE_COUNT_LIMIT - 1 bytes. - * We allow an odd limit only when the remaining transfer size is - * less than BYTE_COUNT_LIMIT. However, SCSI's read10 command can only - * request n blocks, so our request size is always even. - * For this reason, we assume there is never a hanging byte to fetch. */ - g_assert(!(rxsize & 1)); - limit = BYTE_COUNT_LIMIT & ~1; - for (i = 0; i < DIV_ROUND_UP(rxsize, limit); i++) { - size_t offset = i * (limit / 2); - size_t rem = (rxsize / 2) - offset; - - /* HP3: INTRQ_Wait */ - ide_wait_intr(IDE_PRIMARY_IRQ); - - /* HP2: Check_Status_B (and clear IRQ) */ - data = ide_wait_clear(BSY); - assert_bit_set(data, DRQ | DRDY); - assert_bit_clear(data, ERR | DF | BSY); - - /* HP4: Transfer_Data */ - for (j = 0; j < MIN((limit / 2), rem); j++) { - rx[offset + j] = cpu_to_le16(qpci_io_readw(dev, ide_bar, - reg_data)); - } - } - - /* Check for final completion IRQ */ - ide_wait_intr(IDE_PRIMARY_IRQ); - - /* Sanity check final state */ - data = ide_wait_clear(DRQ); - assert_bit_set(data, DRDY); - assert_bit_clear(data, DRQ | ERR | DF | BSY); - - g_assert_cmpint(memcmp(pattern, rx, rxsize), ==, 0); - g_free(pattern); - g_free(rx); - test_bmdma_teardown(); - free_pci_device(dev); -} - -static void test_cdrom_pio(void) -{ - cdrom_pio_impl(1); -} - -static void test_cdrom_pio_large(void) -{ - /* Test a few loops of the PIO DRQ mechanism. */ - cdrom_pio_impl(BYTE_COUNT_LIMIT * 4 / ATAPI_BLOCK_SIZE); -} - - -static void test_cdrom_dma(void) -{ - static const size_t len = ATAPI_BLOCK_SIZE; - size_t ret; - char *pattern = g_malloc(ATAPI_BLOCK_SIZE * 16); - char *rx = g_malloc0(len); - uintptr_t guest_buf; - PrdtEntry prdt[1]; - FILE *fh; - - ide_test_start("-drive if=none,file=%s,media=cdrom,format=raw,id=sr0,index=0 " - "-device ide-cd,drive=sr0,bus=ide.0", tmp_path); - qtest_irq_intercept_in(global_qtest, "ioapic"); - - guest_buf = guest_alloc(guest_malloc, len); - prdt[0].addr = cpu_to_le32(guest_buf); - prdt[0].size = cpu_to_le32(len | PRDT_EOT); - - generate_pattern(pattern, ATAPI_BLOCK_SIZE * 16, ATAPI_BLOCK_SIZE); - fh = fopen(tmp_path, "w+"); - ret = fwrite(pattern, ATAPI_BLOCK_SIZE, 16, fh); - g_assert_cmpint(ret, ==, 16); - fclose(fh); - - send_dma_request(CMD_PACKET, 0, 1, prdt, 1, send_scsi_cdb_read10); - - /* Read back data from guest memory into local qtest memory */ - memread(guest_buf, rx, len); - g_assert_cmpint(memcmp(pattern, rx, len), ==, 0); - - g_free(pattern); - g_free(rx); - test_bmdma_teardown(); -} - -int main(int argc, char **argv) -{ - const char *arch = qtest_get_arch(); - int fd; - int ret; - - /* Check architecture */ - if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) { - g_test_message("Skipping test for non-x86\n"); - return 0; - } - - /* Create temporary blkdebug instructions */ - fd = mkstemp(debug_path); - g_assert(fd >= 0); - close(fd); - - /* Create a temporary raw image */ - fd = mkstemp(tmp_path); - g_assert(fd >= 0); - ret = ftruncate(fd, TEST_IMAGE_SIZE); - g_assert(ret == 0); - close(fd); - - /* Run the tests */ - g_test_init(&argc, &argv, NULL); - - qtest_add_func("/ide/identify", test_identify); - - qtest_add_func("/ide/bmdma/setup", test_bmdma_setup); - qtest_add_func("/ide/bmdma/simple_rw", test_bmdma_simple_rw); - qtest_add_func("/ide/bmdma/trim", test_bmdma_trim); - qtest_add_func("/ide/bmdma/short_prdt", test_bmdma_short_prdt); - qtest_add_func("/ide/bmdma/one_sector_short_prdt", - test_bmdma_one_sector_short_prdt); - qtest_add_func("/ide/bmdma/long_prdt", test_bmdma_long_prdt); - qtest_add_func("/ide/bmdma/no_busmaster", test_bmdma_no_busmaster); - qtest_add_func("/ide/bmdma/teardown", test_bmdma_teardown); - - qtest_add_func("/ide/flush", test_flush); - qtest_add_func("/ide/flush/nodev", test_flush_nodev); - qtest_add_func("/ide/flush/empty_drive", test_flush_empty_drive); - qtest_add_func("/ide/flush/retry_pci", test_pci_retry_flush); - qtest_add_func("/ide/flush/retry_isa", test_isa_retry_flush); - - qtest_add_func("/ide/cdrom/pio", test_cdrom_pio); - qtest_add_func("/ide/cdrom/pio_large", test_cdrom_pio_large); - qtest_add_func("/ide/cdrom/dma", test_cdrom_dma); - - ret = g_test_run(); - - /* Cleanup */ - unlink(tmp_path); - unlink(debug_path); - - return ret; -} |