motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 16:53:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

ide: push end_transfer_func out of start_transfer callback, rename callback

Browse source 
Now that end_transfer_func is a tail call in ahci_start_transfer,
formalize the fact that the callback (of which ahci_start_transfer is
the sole implementation) takes care of the transfer too: rename it to
pio_transfer and, if it is present, call the end_transfer_func as soon
as it returns.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20180606190955.20845-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Paolo Bonzini 2018-06-06 15:09:51 -04:00 • committed by John Snow
parent 956556e131
commit bed9bcfa32
4 changed files with 13 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

13
hw/ide/ahci.c
View file

@ -1340,8 +1340,8 @@ out:
return 0;
}
/* DMA dev <-> ram */
static void ahci_start_transfer(IDEDMA *dma)
/* Transfer PIO data between RAM and device */
static void ahci_pio_transfer(IDEDMA *dma)
{
AHCIDevice *ad = DO_UPCAST(AHCIDevice, dma, dma);
IDEState *s = &ad->port.ifs[0];
@ -1365,9 +1365,9 @@ static void ahci_start_transfer(IDEDMA *dma)
has_sglist = 1;
}
trace_ahci_start_transfer(ad->hba, ad->port_no, is_write ? "writ" : "read",
size, is_atapi ? "atapi" : "ata",
has_sglist ? "" : "o");
trace_ahci_pio_transfer(ad->hba, ad->port_no, is_write ? "writ" : "read",
size, is_atapi ? "atapi" : "ata",
has_sglist ? "" : "o");
if (has_sglist && size) {
if (is_write) {
@ -1382,7 +1382,6 @@ static void ahci_start_transfer(IDEDMA *dma)
out:
/* declare that we processed everything */
s->data_ptr = s->data_end;
s->end_transfer_func(s);
}
static void ahci_start_dma(IDEDMA *dma, IDEState *s,
@ -1503,7 +1502,7 @@ static const IDEDMAOps ahci_dma_ops = {
.start_dma = ahci_start_dma,
.restart = ahci_restart,
.restart_dma = ahci_restart_dma,
.start_transfer = ahci_start_transfer,
.pio_transfer = ahci_pio_transfer,
.prepare_buf = ahci_dma_prepare_buf,
.commit_buf = ahci_commit_buf,
.rw_buf = ahci_dma_rw_buf,