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authorJohn Snow <jsnow@redhat.com>2015-02-05 12:41:16 -0500
committerStefan Hajnoczi <stefanha@redhat.com>2015-02-16 15:07:16 +0000
commit85c34e9395a97e49def6697537417ead2077c096 (patch)
tree9f4a0322d70b46d0c273d4ae542f588e206ab310 /tests/libqos
parent6cae27a6af159ab44f7c265d7f22d9e95880db25 (diff)
downloadhqemu-85c34e9395a97e49def6697537417ead2077c096.zip
hqemu-85c34e9395a97e49def6697537417ead2077c096.tar.gz
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')
-rw-r--r--tests/libqos/ahci.c22
-rw-r--r--tests/libqos/ahci.h1
2 files changed, 23 insertions, 0 deletions
diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c
index 8c3f664..3da168a 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)
diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h
index 0835be4..af62a8a 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 port);
+void ahci_port_check_error(AHCIQState *ahci, uint8_t port);
void ahci_get_command_header(AHCIQState *ahci, uint8_t port,
uint8_t slot, AHCICommandHeader *cmd);
void ahci_set_command_header(AHCIQState *ahci, uint8_t port,
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