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| author | John Snow <jsnow@redhat.com> | 2015-02-05 12:41:16 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-02-16 15:07:16 +0000 |
| commit | 85c34e9395a97e49def6697537417ead2077c096 (patch) | |
| tree | 9f4a0322d70b46d0c273d4ae542f588e206ab310 /tests/libqos/ahci.c | |
| parent | 6cae27a6af159ab44f7c265d7f22d9e95880db25 (diff) | |
libqos/ahci: Add ahci_port_check_error helper
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 <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-6-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests/libqos/ahci.c')
| -rw-r--r-- | tests/libqos/ahci.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c index 8c3f6645eb..3da168abb2 100644 --- a/tests/libqos/ahci.c +++ b/tests/libqos/ahci.c @@ -311,6 +311,28 @@ void ahci_port_clear(AHCIQState *ahci, uint8_t port) qmemset(ahci->port[port].fb, 0x00, 0x100); } +/** + * Check a port for errors. + */ +void ahci_port_check_error(AHCIQState *ahci, uint8_t port) +{ + uint32_t reg; + + /* The upper 9 bits of the IS register all indicate errors. */ + reg = ahci_px_rreg(ahci, port, AHCI_PX_IS); + reg >>= 23; + g_assert_cmphex(reg, ==, 0); + + /* The Sata Error Register should be empty. */ + reg = ahci_px_rreg(ahci, port, AHCI_PX_SERR); + g_assert_cmphex(reg, ==, 0); + + /* The TFD also has two error sections. */ + reg = ahci_px_rreg(ahci, port, AHCI_PX_TFD); + ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_STS_ERR); + ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_ERR); +} + /* Get the command in #slot of port #port. */ void ahci_get_command_header(AHCIQState *ahci, uint8_t port, uint8_t slot, AHCICommandHeader *cmd) |