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s390x/pci: add supported DT information to clp response

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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 <mjrosato@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Message-Id: <20211203142706.427279-5-mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Matthew Rosato 2021-12-03 09:27:06 -05:00 committed by Thomas Huth
parent cb6d6a3e6a
commit ac6aa30ac4
5 changed files with 6 additions and 1 deletions
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1
hw/s390x/s390-pci-bus.c
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@ -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)

1
hw/s390x/s390-pci-inst.c
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@ -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;
}

1
hw/s390x/s390-pci-vfio.c
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@ -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;
}
}

1
include/hw/s390x/s390-pci-bus.h
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@ -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)

3
include/hw/s390x/s390-pci-clp.h
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@ -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;