On 12/3/21 15:27, Matthew Rosato wrote:
The DTSM is a mask that specifies which I/O Address Translation designation
types are supported. Today QEMU only supports DT=1.
Signed-off-by: Matthew Rosato <mjros...@linux.ibm.com>
---
hw/s390x/s390-pci-bus.c | 1 +
hw/s390x/s390-pci-inst.c | 1 +
hw/s390x/s390-pci-vfio.c | 1 +
include/hw/s390x/s390-pci-bus.h | 1 +
include/hw/s390x/s390-pci-clp.h | 3 ++-
5 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 1b51a72838..01b58ebc70 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -782,6 +782,7 @@ static void s390_pci_init_default_group(void)
resgrp->i = 128;
resgrp->maxstbl = 128;
resgrp->version = 0;
+ resgrp->dtsm = ZPCI_DTSM;
}
static void set_pbdev_info(S390PCIBusDevice *pbdev)
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index 07bab85ce5..6d400d4147 100644
--- a/hw/s390x/s390-pci-inst.c
+++ b/hw/s390x/s390-pci-inst.c
@@ -329,6 +329,7 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t ra)
stw_p(&resgrp->i, group->zpci_group.i);
stw_p(&resgrp->maxstbl, group->zpci_group.maxstbl);
resgrp->version = group->zpci_group.version;
+ resgrp->dtsm = group->zpci_group.dtsm;
stw_p(&resgrp->hdr.rsp, CLP_RC_OK);
break;
}
diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c
index 2a153fa8c9..6f80a47e29 100644
--- a/hw/s390x/s390-pci-vfio.c
+++ b/hw/s390x/s390-pci-vfio.c
@@ -160,6 +160,7 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev,
resgrp->i = cap->noi;
resgrp->maxstbl = cap->maxstbl;
resgrp->version = cap->version;
+ resgrp->dtsm = ZPCI_DTSM;
}
}
diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bus.h
index 2727e7bdef..da3cde2bb4 100644
--- a/include/hw/s390x/s390-pci-bus.h
+++ b/include/hw/s390x/s390-pci-bus.h
@@ -37,6 +37,7 @@
#define ZPCI_MAX_UID 0xffff
#define UID_UNDEFINED 0
#define UID_CHECKING_ENABLED 0x01
+#define ZPCI_DTSM 0x40
OBJECT_DECLARE_SIMPLE_TYPE(S390pciState, S390_PCI_HOST_BRIDGE)
OBJECT_DECLARE_SIMPLE_TYPE(S390PCIBus, S390_PCI_BUS)
diff --git a/include/hw/s390x/s390-pci-clp.h b/include/hw/s390x/s390-pci-clp.h
index 96b8e3f133..cc8c8662b8 100644
--- a/include/hw/s390x/s390-pci-clp.h
+++ b/include/hw/s390x/s390-pci-clp.h
@@ -163,7 +163,8 @@ typedef struct ClpRspQueryPciGrp {
uint8_t fr;
uint16_t maxstbl;
uint16_t mui;
- uint64_t reserved3;
+ uint8_t dtsm;
+ uint8_t reserved3[7];
uint64_t dasm; /* dma address space mask */
uint64_t msia; /* MSI address */
uint64_t reserved4;
Reviewed-by: Pierre Morel <pmo...@linux.ibm.com>
--
Pierre Morel
IBM Lab Boeblingen
