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cmd646: Remove IDEBus from CMD646BAR

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The cmd646 io mem ops callbacks only need the IDEBus which is
currently passed via a CMD646BAR struct. No need to wrap it up like
that, we can pass it directly to these callbacks which then allows to
drop the IDEBus from the CMD646BAR.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 7a31c155c9899869794499d841d30c7ef32aae47.1547166960.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
BALATON Zoltan 2019-01-25 14:52:11 -05:00 committed by John Snow
parent 2ab2ef0785
commit e210ec87b9
2 changed files with 14 additions and 16 deletions
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29
hw/ide/cmd646.c
View File

@ -53,23 +53,23 @@ static void cmd646_update_irq(PCIDevice *pd);
static uint64_t cmd646_cmd_read(void *opaque, hwaddr addr,
unsigned size)
{
CMD646BAR *cmd646bar = opaque;
IDEBus *bus = opaque;
if (addr != 2 || size != 1) {
return ((uint64_t)1 << (size * 8)) - 1;
}
return ide_status_read(cmd646bar->bus, addr + 2);
return ide_status_read(bus, addr + 2);
}
static void cmd646_cmd_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
CMD646BAR *cmd646bar = opaque;
IDEBus *bus = opaque;
if (addr != 2 || size != 1) {
return;
}
ide_cmd_write(cmd646bar->bus, addr + 2, data);
ide_cmd_write(bus, addr + 2, data);
}
static const MemoryRegionOps cmd646_cmd_ops = {
@ -81,15 +81,15 @@ static const MemoryRegionOps cmd646_cmd_ops = {
static uint64_t cmd646_data_read(void *opaque, hwaddr addr,
unsigned size)
{
CMD646BAR *cmd646bar = opaque;
IDEBus *bus = opaque;
if (size == 1) {
return ide_ioport_read(cmd646bar->bus, addr);
return ide_ioport_read(bus, addr);
} else if (addr == 0) {
if (size == 2) {
return ide_data_readw(cmd646bar->bus, addr);
return ide_data_readw(bus, addr);
} else {
return ide_data_readl(cmd646bar->bus, addr);
return ide_data_readl(bus, addr);
}
}
return ((uint64_t)1 << (size * 8)) - 1;
@ -98,15 +98,15 @@ static uint64_t cmd646_data_read(void *opaque, hwaddr addr,
static void cmd646_data_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size)
{
CMD646BAR *cmd646bar = opaque;
IDEBus *bus = opaque;
if (size == 1) {
ide_ioport_write(cmd646bar->bus, addr, data);
ide_ioport_write(bus, addr, data);
} else if (addr == 0) {
if (size == 2) {
ide_data_writew(cmd646bar->bus, addr, data);
ide_data_writew(bus, addr, data);
} else {
ide_data_writel(cmd646bar->bus, addr, data);
ide_data_writel(bus, addr, data);
}
}
}
@ -122,10 +122,9 @@ static void setup_cmd646_bar(PCIIDEState *d, int bus_num)
IDEBus *bus = &d->bus[bus_num];
CMD646BAR *bar = &d->cmd646_bar[bus_num];
bar->bus = bus;
memory_region_init_io(&bar->cmd, OBJECT(d), &cmd646_cmd_ops, bar,
memory_region_init_io(&bar->cmd, OBJECT(d), &cmd646_cmd_ops, bus,
"cmd646-cmd", 4);
memory_region_init_io(&bar->data, OBJECT(d), &cmd646_data_ops, bar,
memory_region_init_io(&bar->data, OBJECT(d), &cmd646_data_ops, bus,
"cmd646-data", 8);
}

1
include/hw/ide/pci.h
View File

@ -40,7 +40,6 @@ typedef struct BMDMAState {
typedef struct CMD646BAR {
MemoryRegion cmd;
MemoryRegion data;
IDEBus *bus;
} CMD646BAR;
#define TYPE_PCI_IDE "pci-ide"