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libqos/ahci: add ahci command verify 

Helps to verify that a command completed successfully.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-14-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
master
John Snow 2015-02-05 12:41:24 -05:00 committed by Stefan Hajnoczi
parent 64a5a272e3
commit ea41deb602
3 changed files with 18 additions and 14 deletions
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16
tests/ahci-test.c
View File

@ -662,7 +662,6 @@ static void ahci_test_identify(AHCIQState *ahci)
unsigned i;
int rc;
AHCICommand *cmd;
uint8_t cx;
g_assert(ahci != NULL);
@ -702,20 +701,9 @@ static void ahci_test_identify(AHCIQState *ahci)
* so we should find that there are no pending interrupts yet. */
g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_IS), ==, 0);
/* Issue Command #cx via PxCI */
/* Issue command and sanity check response. */
ahci_command_issue(ahci, cmd);
cx = ahci_command_slot(cmd);
/* Check registers for post-command consistency */
ahci_port_check_error(ahci, i);
/* BUG: we expect AHCI_PX_IS_DPS to be set. */
ahci_port_check_interrupts(ahci, i, AHCI_PX_IS_DHRS | AHCI_PX_IS_PSS);
ahci_port_check_nonbusy(ahci, i, cx);
/* Investigate the CMD, assert that we read 512 bytes */
ahci_port_check_cmd_sanity(ahci, i, cx, 512);
/* Investigate FIS responses */
ahci_port_check_d2h_sanity(ahci, i, cx);
ahci_port_check_pio_sanity(ahci, i, cx, 512);
ahci_command_verify(ahci, cmd);
/* Last, but not least: Investigate the IDENTIFY response data. */
memread(data_ptr, &buff, 512);

15
tests/libqos/ahci.c
View File

@ -737,6 +737,21 @@ void ahci_command_issue(AHCIQState *ahci, AHCICommand *cmd)
ahci_command_wait(ahci, cmd);
}
void ahci_command_verify(AHCIQState *ahci, AHCICommand *cmd)
{
uint8_t slot = cmd->slot;
uint8_t port = cmd->port;
ahci_port_check_error(ahci, port);
ahci_port_check_interrupts(ahci, port, cmd->interrupts);
ahci_port_check_nonbusy(ahci, port, slot);
ahci_port_check_cmd_sanity(ahci, port, slot, cmd->xbytes);
ahci_port_check_d2h_sanity(ahci, port, slot);
if (cmd->props->pio) {
ahci_port_check_pio_sanity(ahci, port, slot, cmd->xbytes);
}
}
uint8_t ahci_command_slot(AHCICommand *cmd)
{
return cmd->slot;

1
tests/libqos/ahci.h
View File

@ -528,6 +528,7 @@ void ahci_command_commit(AHCIQState *ahci, AHCICommand *cmd, uint8_t port);
void ahci_command_issue(AHCIQState *ahci, AHCICommand *cmd);
void ahci_command_issue_async(AHCIQState *ahci, AHCICommand *cmd);
void ahci_command_wait(AHCIQState *ahci, AHCICommand *cmd);
void ahci_command_verify(AHCIQState *ahci, AHCICommand *cmd);
void ahci_command_free(AHCICommand *cmd);
/* Command adjustments */