ahci_guest_io is a shorthand function that will, in one shot, execute a data command on the guest to the specified guest buffer location, in the requested amount.
Signed-off-by: John Snow <js...@redhat.com> --- tests/libqos/ahci.c | 15 +++++++++++++++ tests/libqos/ahci.h | 2 ++ 2 files changed, 17 insertions(+) diff --git a/tests/libqos/ahci.c b/tests/libqos/ahci.c index 3375d54..d55dab8 100644 --- a/tests/libqos/ahci.c +++ b/tests/libqos/ahci.c @@ -536,6 +536,21 @@ inline unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd) return (bytes + bytes_per_prd - 1) / bytes_per_prd; } +/* Given a guest buffer address, perform an IO operation */ +void ahci_guest_io(AHCIQState *ahci, uint8_t px, uint8_t ide_cmd, + uint64_t buffer, size_t bufsize) +{ + AHCICommand *cmd; + + cmd = ahci_command_create(ide_cmd); + ahci_command_set_buffer(cmd, buffer); + ahci_command_set_size(cmd, bufsize); + ahci_command_commit(ahci, cmd, px); + ahci_command_issue(ahci, cmd); + ahci_command_verify(ahci, cmd); + ahci_command_free(cmd); +} + typedef struct AHCICommand { /* Test Management Data */ uint8_t name; diff --git a/tests/libqos/ahci.h b/tests/libqos/ahci.h index 1300967..cbde141 100644 --- a/tests/libqos/ahci.h +++ b/tests/libqos/ahci.h @@ -520,6 +520,8 @@ void ahci_set_command_header(AHCIQState *ahci, uint8_t px, void ahci_destroy_command(AHCIQState *ahci, uint8_t px, uint8_t cx); unsigned ahci_pick_cmd(AHCIQState *ahci, uint8_t px); unsigned size_to_prdtl(unsigned bytes, unsigned bytes_per_prd); +void ahci_guest_io(AHCIQState *ahci, uint8_t px, uint8_t ide_cmd, + uint64_t gbuffer, size_t size); /* Command Lifecycle */ AHCICommand *ahci_command_create(uint8_t command_name); -- 1.9.3