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authorPierre Morel <pmorel@linux.ibm.com>2020-02-21 10:06:38 +0100
committerVasily Gorbik <gor@linux.ibm.com>2020-04-28 13:49:46 +0200
commitc9a1752b84f1a8f73187c116ff0514b2ab24d878 (patch)
tree07ac7933d9619a6f5cff7940e81bc0749c70adec /arch/s390/include/asm/pci.h
parents390/pci: define kernel parameters for PCI multifunction (diff)
downloadlinux-dev-c9a1752b84f1a8f73187c116ff0514b2ab24d878.tar.xz
linux-dev-c9a1752b84f1a8f73187c116ff0514b2ab24d878.zip
s390/pci: define RID and RID available
Firmware provides the bus/devfn part of the PCI addresses of a zPCI function inside the new field RID of the CLP query PCI function with a bit to know if this field is available to use. Let's add these fields to the clp_rsp_query_pci structure, add corresponding fields to zdev and initialize them. Signed-off-by: Pierre Morel <pmorel@linux.ibm.com> Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/pci.h')
-rw-r--r--arch/s390/include/asm/pci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index ec28bbc2d3d1..4dbf8e17f0e8 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -109,6 +109,9 @@ struct zpci_dev {
u8 pft; /* pci function type */
u16 domain;
u8 port;
+ u8 rid_available : 1;
+ u8 reserved : 7;
+ unsigned int devfn; /* DEVFN part of the RID*/
struct mutex lock;
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */