libqos/ahci: adjust expected NCQ interrupts

NCQ commands will expect the SDBS interrupt,
and in the normative case, do not expect to see
a D2H Register FIS unless something went wrong.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435016308-6150-13-git-send-email-jsnow@redhat.com
This commit is contained in:
John Snow 2015-07-04 02:06:04 -04:00
parent 4de484698b
commit 359790c254

View File

@ -745,12 +745,15 @@ AHCICommand *ahci_command_create(uint8_t command_name)
cmd->prd_size = 4096;
cmd->buffer = 0xabad1dea;
cmd->interrupts = AHCI_PX_IS_DHRS;
if (!cmd->props->ncq) {
cmd->interrupts = AHCI_PX_IS_DHRS;
}
/* BUG: We expect the DPS interrupt for data commands */
/* cmd->interrupts |= props->data ? AHCI_PX_IS_DPS : 0; */
/* BUG: We expect the DMA Setup interrupt for DMA commands */
/* cmd->interrupts |= props->dma ? AHCI_PX_IS_DSS : 0; */
cmd->interrupts |= props->pio ? AHCI_PX_IS_PSS : 0;
cmd->interrupts |= props->ncq ? AHCI_PX_IS_SDBS : 0;
command_header_init(cmd);
command_table_init(cmd);
@ -934,7 +937,9 @@ void ahci_command_verify(AHCIQState *ahci, AHCICommand *cmd)
ahci_port_check_interrupts(ahci, port, cmd->interrupts);
ahci_port_check_nonbusy(ahci, port, slot);
ahci_port_check_cmd_sanity(ahci, cmd);
ahci_port_check_d2h_sanity(ahci, port, slot);
if (cmd->interrupts & AHCI_PX_IS_DHRS) {
ahci_port_check_d2h_sanity(ahci, port, slot);
}
if (cmd->props->pio) {
ahci_port_check_pio_sanity(ahci, port, slot, cmd->xbytes);
}