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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
This commit is contained in:
John Snow 2015-09-17 14:17:04 -04:00
parent aaeda4a3c9
commit d7531638db
1 changed files with 6 additions and 17 deletions
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23
tests/ahci-test.c
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@ -80,9 +80,9 @@ static void generate_pattern(void *buffer, size_t len, size_t cycle_len)
/* Write an indicative pattern that varies and is unique per-cycle */
p = rand() % 256;
for (i = j = 0; i < len; i++, j++) {
tx[i] = p;
if (j % cycle_len == 0) {
for (i = 0; i < len; i++) {
tx[i] = p++ % 256;
if (i % cycle_len == 0) {
p = rand() % 256;
}
}
@ -1155,7 +1155,6 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
size_t bufsize = 4096;
unsigned char *tx = g_malloc(bufsize);
unsigned char *rx = g_malloc0(bufsize);
unsigned i;
const char *uri = "tcp:127.0.0.1:1234";
src = ahci_boot_and_enable("-m 1024 -M q35 "
@ -1171,9 +1170,7 @@ static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
ahci_port_clear(src, px);
/* create pattern */
for (i = 0; i < bufsize; i++) {
tx[i] = (bufsize - i);
}
generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
/* Write, migrate, then read. */
ahci_io(src, px, cmd_write, tx, bufsize, 0);
@ -1213,7 +1210,6 @@ static void ahci_halted_io_test(uint8_t cmd_read, uint8_t cmd_write)
size_t bufsize = 4096;
unsigned char *tx = g_malloc(bufsize);
unsigned char *rx = g_malloc0(bufsize);
unsigned i;
uint64_t ptr;
AHCICommand *cmd;
@ -1231,11 +1227,8 @@ static void ahci_halted_io_test(uint8_t cmd_read, uint8_t cmd_write)
port = ahci_port_select(ahci);
ahci_port_clear(ahci, port);
for (i = 0; i < bufsize; i++) {
tx[i] = (bufsize - i);
}
/* create DMA source buffer and write pattern */
generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
ptr = ahci_alloc(ahci, bufsize);
g_assert(ptr);
memwrite(ptr, tx, bufsize);
@ -1282,7 +1275,6 @@ static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
size_t bufsize = 4096;
unsigned char *tx = g_malloc(bufsize);
unsigned char *rx = g_malloc0(bufsize);
unsigned i;
uint64_t ptr;
AHCICommand *cmd;
const char *uri = "tcp:127.0.0.1:1234";
@ -1310,10 +1302,7 @@ static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
/* Initialize and prepare */
port = ahci_port_select(src);
ahci_port_clear(src, port);
for (i = 0; i < bufsize; i++) {
tx[i] = (bufsize - i);
}
generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
/* create DMA source buffer and write pattern */
ptr = ahci_alloc(src, bufsize);