On 27/01/2025 21.45, Matthew Rosato wrote:
#include "hw/s390x/s390-pci-bus.h"
@@ -1008,17 +1009,25 @@ static int reg_ioat(CPUS390XState *env,
S390PCIBusDevice *pbdev, ZpciFib fib,
}
/* currently we only support designation type 1 with translation */
- if (!(dt == ZPCI_IOT
>>
>> static void s390_pci_iommu_free(S390pciState *s, PCIBus *bus, int32_t devfn)
>> @@ -1488,6 +1518,8 @@ static const Property s390_pci_device_properties[] = {
>> DEFINE_PROP_BOOL("interpret", S390PCIBusDevice, interp, true),
>> DEFINE_PROP_BOOL("forwarding-assist", S390PCIBusDevi
>> #include "hw/s390x/s390-pci-bus.h"
>> @@ -1008,17 +1009,25 @@ static int reg_ioat(CPUS390XState *env,
>> S390PCIBusDevice *pbdev, ZpciFib fib,
>> }
>> /* currently we only support designation type 1 with translation */
>> - if (!(dt == ZPCI_IOTA_RTTO && t)) {
>> + if (t
>> +void s390_pci_iommu_dm_enable(S390PCIIOMMU *iommu)
>> +{
>> + MachineState *ms = MACHINE(qdev_get_machine());
>> + S390CcwMachineState *s390ms = S390_CCW_MACHINE(ms);
>> +
>> + /*
>> + * For direct-mapping we must map the entire guest address space.
>> Rather
>> + * than
On Fri, 2025-01-24 at 15:21 -0500, Matthew Rosato wrote:
> When receiving a guest mpcifc(4) or mpcifc(6) instruction without the T
> bit set, treat this as a request to perform direct mapping instead of
> address translation. In order to facilitate this, pin the entirety of
> guest memory into the
On 24/01/2025 21.21, Matthew Rosato wrote:
When receiving a guest mpcifc(4) or mpcifc(6) instruction without the T
bit set, treat this as a request to perform direct mapping instead of
address translation. In order to facilitate this, pin the entirety of
guest memory into the host iommu.
Pinnin
On 24.01.25 21:21, Matthew Rosato wrote:
When receiving a guest mpcifc(4) or mpcifc(6) instruction without the T
bit set, treat this as a request to perform direct mapping instead of
address translation. In order to facilitate this, pin the entirety of
guest memory into the host iommu.
Pinning
When receiving a guest mpcifc(4) or mpcifc(6) instruction without the T
bit set, treat this as a request to perform direct mapping instead of
address translation. In order to facilitate this, pin the entirety of
guest memory into the host iommu.
Pinning for the direct mapping case is handled via
