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ipmi: Allow a size value to be passed for I/O space

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PCI device I/O must be >= 8 bytes in length or they don't work.
Allow the size to be passed in, the default size of 2 or 3
won't work.

Signed-off-by: Corey Minyard <cminyard@mvista.com>
This commit is contained in:
Corey Minyard 2017-12-06 13:18:07 -06:00
parent 1739d54c8b
commit 79d29a9d06
7 changed files with 44 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

19
hw/ipmi/ipmi_bt.c
View file

@ -189,7 +189,7 @@ static uint64_t ipmi_bt_ioport_read(void *opaque, hwaddr addr, unsigned size)
IPMIBT *ib = iic->get_backend_data(ii);
uint32_t ret = 0xff;
switch (addr & 3) {
switch (addr & ib->size_mask) {
case 0:
ret = ib->control_reg;
break;
@ -208,6 +208,9 @@ static uint64_t ipmi_bt_ioport_read(void *opaque, hwaddr addr, unsigned size)
case 2:
ret = ib->mask_reg;
break;
default:
ret = 0xff;
break;
}
return ret;
}
@ -230,7 +233,7 @@ static void ipmi_bt_ioport_write(void *opaque, hwaddr addr, uint64_t val,
IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
IPMIBT *ib = iic->get_backend_data(ii);
switch (addr & 3) {
switch (addr & ib->size_mask) {
case 0:
if (IPMI_BT_GET_CLR_WR(val)) {
ib->inlen = 0;
@ -285,6 +288,9 @@ static void ipmi_bt_ioport_write(void *opaque, hwaddr addr, uint64_t val,
ipmi_bt_lower_irq(ib);
}
break;
default:
/* Ignore. */
break;
}
}
@ -346,14 +352,19 @@ static void ipmi_bt_set_irq_enable(IPMIInterface *ii, int val)
ib->irqs_enabled = val;
}
static void ipmi_bt_init(IPMIInterface *ii, Error **errp)
static void ipmi_bt_init(IPMIInterface *ii, unsigned int min_size, Error **errp)
{
IPMIInterfaceClass *iic = IPMI_INTERFACE_GET_CLASS(ii);
IPMIBT *ib = iic->get_backend_data(ii);
if (min_size == 0) {
min_size = 4;
}
ib->size_mask = min_size - 1;
ib->io_length = 3;
memory_region_init_io(&ib->io, NULL, &ipmi_bt_io_ops, ii, "ipmi-bt", 3);
memory_region_init_io(&ib->io, NULL, &ipmi_bt_io_ops, ii, "ipmi-bt",
min_size);
}
int ipmi_bt_vmstate_post_load(void *opaque, int version)