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s390x/pci: use a PCI Group structure

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We use a S390PCIGroup structure to hold the information related to a
zPCI Function group.

This allows us to be ready to support multiple groups and to retrieve
the group information from the host.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Pierre Morel 2020-10-26 11:34:37 -04:00 • committed by Alex Williamson
parent c04274f49e
commit 28dc86a072
3 changed files with 66 additions and 9 deletions
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10
include/hw/s390x/s390-pci-bus.h
View file

@ -316,6 +316,14 @@ typedef struct ZpciFmb {
} ZpciFmb;
QEMU_BUILD_BUG_MSG(offsetof(ZpciFmb, fmt0) != 48, "padding in ZpciFmb");
#define ZPCI_DEFAULT_FN_GRP 0x20
typedef struct S390PCIGroup {
ClpRspQueryPciGrp zpci_group;
int id;
QTAILQ_ENTRY(S390PCIGroup) link;
} S390PCIGroup;
S390PCIGroup *s390_group_find(int id);
struct S390PCIBusDevice {
DeviceState qdev;
PCIDevice *pdev;
@ -333,6 +341,7 @@ struct S390PCIBusDevice {
uint16_t noi;
uint16_t maxstbl;
uint8_t sum;
S390PCIGroup *pci_group;
S390MsixInfo msix;
AdapterRoutes routes;
S390PCIIOMMU *iommu;
@ -358,6 +367,7 @@ struct S390pciState {
QTAILQ_HEAD(, SeiContainer) pending_sei;
QTAILQ_HEAD(, S390PCIBusDevice) zpci_devs;
QTAILQ_HEAD(, S390PCIDMACount) zpci_dma_limit;
QTAILQ_HEAD(, S390PCIGroup) zpci_groups;
};
S390pciState *s390_get_phb(void);