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authorPaolo Bonzini <pbonzini@redhat.com>2015-02-23 11:17:51 -0500
committerKevin Wolf <kwolf@redhat.com>2015-03-10 14:02:22 +0100
commitbd8892c4e6d681517c687ec5ac86eed46b3bb23b (patch)
tree8e845c2a9de058e707051a492f4c29960319457a /hw/ide
parent06b95b1ee75706592929e7e91cf18373fd0e6697 (diff)
downloadhqemu-bd8892c4e6d681517c687ec5ac86eed46b3bb23b.zip
hqemu-bd8892c4e6d681517c687ec5ac86eed46b3bb23b.tar.gz
ide: prepare to move restart to common code
This patch adds the restart_dma callback and adjusts the ide_restart_dma function to utilize this callback to call the BMDMA-specific restart code instead of statically executing BMDMA-specific code. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1424708286-16483-3-git-send-email-jsnow@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/ide')
-rw-r--r--hw/ide/internal.h1
-rw-r--r--hw/ide/pci.c12
2 files changed, 8 insertions, 5 deletions
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index ee9a57f..2566503 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -437,6 +437,7 @@ struct IDEDMAOps {
DMAu32Func *commit_buf;
DMAIntFunc *rw_buf;
DMAIntFunc *set_unit;
+ DMAVoidFunc *restart_dma;
DMAStopFunc *set_inactive;
DMAVoidFunc *cmd_done;
DMARestartFunc *restart_cb;
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index da3e392..34fc4fb 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -184,8 +184,9 @@ static void bmdma_set_inactive(IDEDMA *dma, bool more)
}
}
-static void bmdma_restart_dma(BMDMAState *bm)
+static void bmdma_restart_dma(IDEDMA *dma)
{
+ BMDMAState *bm = DO_UPCAST(BMDMAState, dma, dma);
IDEState *s = bmdma_active_if(bm);
ide_set_sector(s, bm->sector_num);
@@ -195,13 +196,13 @@ static void bmdma_restart_dma(BMDMAState *bm)
static void ide_restart_dma(IDEState *s, enum ide_dma_cmd dma_cmd)
{
- BMDMAState *bm = DO_UPCAST(BMDMAState, dma, s->bus->dma);
-
- bmdma_restart_dma(bm);
+ if (s->bus->dma->ops->restart_dma) {
+ s->bus->dma->ops->restart_dma(s->bus->dma);
+ }
s->io_buffer_index = 0;
s->io_buffer_size = 0;
s->dma_cmd = dma_cmd;
- bmdma_start_dma(&bm->dma, s, ide_dma_cb);
+ ide_start_dma(s, ide_dma_cb);
}
/* TODO This should be common IDE code */
@@ -532,6 +533,7 @@ static const struct IDEDMAOps bmdma_ops = {
.prepare_buf = bmdma_prepare_buf,
.rw_buf = bmdma_rw_buf,
.set_unit = bmdma_set_unit,
+ .restart_dma = bmdma_restart_dma,
.set_inactive = bmdma_set_inactive,
.restart_cb = bmdma_restart_cb,
.reset = bmdma_reset,
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