ahci_port_check_error checks a given port's error registers and asserts that everything from the port-level view is still OK.
Signed-off-by: John Snow <js...@redhat.com> --- tests/ahci-test.c | 8 +------- tests/libqos/ahci.c | 22 ++++++++++++++++++++++ tests/libqos/ahci.h | 1 + 3 files changed, 24 insertions(+), 7 deletions(-) diff --git a/tests/ahci-test.c b/tests/ahci-test.c index 17aee37..63ecf73 100644 --- a/tests/ahci-test.c +++ b/tests/ahci-test.c @@ -747,6 +747,7 @@ static void ahci_test_identify(AHCIQState *ahci) while (BITSET(ahci_px_rreg(ahci, i, AHCI_PX_TFD), AHCI_PX_TFD_STS_BSY)) { usleep(50); } + ahci_port_check_error(ahci, i); /* Check for expected interrupts */ reg = ahci_px_rreg(ahci, i, AHCI_PX_IS); @@ -760,13 +761,6 @@ static void ahci_test_identify(AHCIQState *ahci) AHCI_PX_IS_DHRS | AHCI_PX_IS_PSS | AHCI_PX_IS_DPS); g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0); - /* Check for errors. */ - reg = ahci_px_rreg(ahci, i, AHCI_PX_SERR); - g_assert_cmphex(reg, ==, 0); - reg = ahci_px_rreg(ahci, i, AHCI_PX_TFD); - ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_STS_ERR); - ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_ERR); - /* Investigate the CMD, assert that we read 512 bytes */ ahci_get_command_header(ahci, i, cx, &cmd); g_assert_cmphex(512, ==, cmd.prdbc); diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c index f5e8864..35de9af 100644 --- a/tests/libqos/ahci.c +++ b/tests/libqos/ahci.c @@ -311,6 +311,28 @@ void ahci_port_clear(AHCIQState *ahci, uint8_t px) qmemset(ahci->port[px].fb, 0x00, 0x100); } +/** + * Check a port for errors. + */ +void ahci_port_check_error(AHCIQState *ahci, uint8_t px) +{ + uint32_t reg; + + /* The upper 9 bits of the IS register all indicate errors. */ + reg = ahci_px_rreg(ahci, px, AHCI_PX_IS); + reg >>= 23; + g_assert_cmphex(reg, ==, 0); + + /* The Sata Error Register should be empty. */ + reg = ahci_px_rreg(ahci, px, AHCI_PX_SERR); + g_assert_cmphex(reg, ==, 0); + + /* The TFD also has two error sections. */ + reg = ahci_px_rreg(ahci, px, AHCI_PX_TFD); + ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_STS_ERR); + ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_ERR); +} + /* Get the #cx'th command of port #px. */ void ahci_get_command_header(AHCIQState *ahci, uint8_t px, uint8_t cx, AHCICommandHeader *cmd) diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h index d27e75f..b384cbc 100644 --- a/tests/libqos/ahci.h +++ b/tests/libqos/ahci.h @@ -433,6 +433,7 @@ void start_ahci_device(AHCIQState *ahci); void ahci_hba_enable(AHCIQState *ahci); unsigned ahci_port_select(AHCIQState *ahci); void ahci_port_clear(AHCIQState *ahci, uint8_t px); +void ahci_port_check_error(AHCIQState *ahci, uint8_t px); void ahci_get_command_header(AHCIQState *ahci, uint8_t px, uint8_t cx, AHCICommandHeader *cmd); void ahci_set_command_header(AHCIQState *ahci, uint8_t px, -- 1.9.3