qtest/ahci: use generate_pattern everywhere
Fix the pattern generation to actually be interesting, and make sure all buffers in the ahci-test actually use it. Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1441926555-19471-2-git-send-email-jsnow@redhat.com
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@ -80,9 +80,9 @@ static void generate_pattern(void *buffer, size_t len, size_t cycle_len)
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/* Write an indicative pattern that varies and is unique per-cycle */
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p = rand() % 256;
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for (i = j = 0; i < len; i++, j++) {
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tx[i] = p;
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if (j % cycle_len == 0) {
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for (i = 0; i < len; i++) {
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tx[i] = p++ % 256;
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if (i % cycle_len == 0) {
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p = rand() % 256;
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}
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}
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@ -1155,7 +1155,6 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
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size_t bufsize = 4096;
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unsigned char *tx = g_malloc(bufsize);
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unsigned char *rx = g_malloc0(bufsize);
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unsigned i;
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const char *uri = "tcp:127.0.0.1:1234";
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src = ahci_boot_and_enable("-m 1024 -M q35 "
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@ -1171,9 +1170,7 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
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ahci_port_clear(src, px);
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/* create pattern */
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for (i = 0; i < bufsize; i++) {
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tx[i] = (bufsize - i);
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}
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generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
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/* Write, migrate, then read. */
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ahci_io(src, px, cmd_write, tx, bufsize, 0);
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@ -1213,7 +1210,6 @@ static void ahci_halted_io_test(uint8_t cmd_read, uint8_t cmd_write)
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size_t bufsize = 4096;
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unsigned char *tx = g_malloc(bufsize);
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unsigned char *rx = g_malloc0(bufsize);
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unsigned i;
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uint64_t ptr;
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AHCICommand *cmd;
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@ -1231,11 +1227,8 @@ static void ahci_halted_io_test(uint8_t cmd_read, uint8_t cmd_write)
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port = ahci_port_select(ahci);
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ahci_port_clear(ahci, port);
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for (i = 0; i < bufsize; i++) {
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tx[i] = (bufsize - i);
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}
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/* create DMA source buffer and write pattern */
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generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
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ptr = ahci_alloc(ahci, bufsize);
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g_assert(ptr);
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memwrite(ptr, tx, bufsize);
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@ -1282,7 +1275,6 @@ static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
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size_t bufsize = 4096;
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unsigned char *tx = g_malloc(bufsize);
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unsigned char *rx = g_malloc0(bufsize);
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unsigned i;
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uint64_t ptr;
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AHCICommand *cmd;
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const char *uri = "tcp:127.0.0.1:1234";
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@ -1310,10 +1302,7 @@ static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
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/* Initialize and prepare */
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port = ahci_port_select(src);
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ahci_port_clear(src, port);
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for (i = 0; i < bufsize; i++) {
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tx[i] = (bufsize - i);
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}
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generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
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/* create DMA source buffer and write pattern */
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ptr = ahci_alloc(src, bufsize);
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