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authorJohn Snow <jsnow@redhat.com>2015-02-05 12:41:12 -0500
committerStefan Hajnoczi <stefanha@redhat.com>2015-02-16 15:07:16 +0000
commite77448a385dc72fa671752ec11c84c931f316d09 (patch)
tree3910d33918ca8b913467b7c811942248458ecb9d /tests/ahci-test.c
parentb0e5d90ebc3edb5cfc1d5d33dd3334482dee6d46 (diff)
libqos/ahci: Add ahci_port_select helper
This helper identifies which port of the AHCI HBA has a device we may run tests on. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1423158090-25580-2-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.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/tests/ahci-test.c b/tests/ahci-test.c
index fca33d2998..c689b62fc0 100644
--- a/tests/ahci-test.c
+++ b/tests/ahci-test.c
@@ -662,7 +662,7 @@ static void ahci_test_identify(AHCIQState *ahci)
RegH2DFIS fis;
AHCICommand cmd;
PRD prd;
- uint32_t ports, reg, table, data_ptr;
+ uint32_t reg, table, data_ptr;
uint16_t buff[256];
unsigned i;
int rc;
@@ -684,22 +684,7 @@ static void ahci_test_identify(AHCIQState *ahci)
*/
/* Pick the first implemented and running port */
- ports = ahci_rreg(ahci, AHCI_PI);
- for (i = 0; i < 32; ports >>= 1, ++i) {
- if (ports == 0) {
- i = 32;
- }
-
- if (!(ports & 0x01)) {
- continue;
- }
-
- reg = ahci_px_rreg(ahci, i, AHCI_PX_CMD);
- if (BITSET(reg, AHCI_PX_CMD_ST)) {
- break;
- }
- }
- g_assert_cmphex(i, <, 32);
+ 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) */