From 85c34e9395a97e49def6697537417ead2077c096 Mon Sep 17 00:00:00 2001 From: John Snow Date: Thu, 5 Feb 2015 12:41:16 -0500 Subject: 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 Reviewed-by: Paolo Bonzini Message-id: 1423158090-25580-6-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi --- tests/libqos/ahci.c | 22 ++++++++++++++++++++++ tests/libqos/ahci.h | 1 + 2 files changed, 23 insertions(+) (limited to 'tests/libqos') 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, -- cgit v1.1