On Thu, Feb 05, 2015 at 12:41:15PM -0500, John Snow wrote: > Adds command header helper functions: > -ahci_command_header_set > -ahci_command_header_get, > -ahci_command_destroy, and > -ahci_cmd_pick > > These helpers help to quickly manage the command header information in > the AHCI device. > > ahci_command_header_set and get will store or retrieve an AHCI command > header, respectively. > > ahci_cmd_pick chooses the first available but least recently used > command slot to allow us to cycle through the available command slots. > > ahci_command_destroy obliterates all information contained within a > given slot's command header, and frees its associated command table, > but not its DMA buffer! > > Lastly, the command table pointer fields (dba and dbau) are merged into > a single 64bit value to make managing 64bit tests simpler. > > Signed-off-by: John Snow <js...@redhat.com> > --- > tests/ahci-test.c | 43 ++++++++++++++++-------------- > tests/libqos/ahci.c | 75 > +++++++++++++++++++++++++++++++++++++++++++++++++++++ > tests/libqos/ahci.h | 17 ++++++++---- > 3 files changed, 110 insertions(+), 25 deletions(-)
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
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