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| author | John Snow <jsnow@redhat.com> | 2015-02-05 12:41:13 -0500 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-02-16 15:07:16 +0000 |
| commit | e83fd96bfab90298beaa8c8a31e48a905564180e (patch) | |
| tree | b4f6735beda0c6f555ad2cd17343951e7f1d4da7 /tests/ahci-test.c | |
| parent | e77448a385dc72fa671752ec11c84c931f316d09 (diff) | |
| download | qemu-e83fd96bfab90298beaa8c8a31e48a905564180e.zip qemu-e83fd96bfab90298beaa8c8a31e48a905564180e.tar.gz qemu-e83fd96bfab90298beaa8c8a31e48a905564180e.tar.bz2 | |
libqos/ahci: Add ahci_port_clear helper
Add a helper that assists in clearing out potentially old error and FIS
information from an AHCI port's data structures. This ensures we always
start with a blank slate for interrupt and FIS receipt information.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-3-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests/ahci-test.c')
| -rw-r--r-- | tests/ahci-test.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/tests/ahci-test.c b/tests/ahci-test.c index c689b62..90647f2 100644 --- a/tests/ahci-test.c +++ b/tests/ahci-test.c @@ -687,13 +687,8 @@ static void ahci_test_identify(AHCIQState *ahci) i = ahci_port_select(ahci); g_test_message("Selected port %u for test", i); - /* Clear out this port's interrupts (ignore the init register d2h fis) */ - reg = ahci_px_rreg(ahci, i, AHCI_PX_IS); - ahci_px_wreg(ahci, i, AHCI_PX_IS, reg); - g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0); - - /* Wipe the FIS-Receive Buffer */ - qmemset(ahci->port[i].fb, 0x00, 0x100); + /* Clear out the FIS Receive area and any pending interrupts. */ + ahci_port_clear(ahci, i); /* Create a Command Table buffer. 0x80 is the smallest with a PRDTL of 0. */ /* We need at least one PRD, so round up to the nearest 0x80 multiple. */ |