summaryrefslogtreecommitdiffstats
path: root/arch/s390/include
diff options
context:
space:
mode:
authorAlexander Schmidt <alexs@linux.ibm.com>2020-02-28 10:31:13 -0500
committerVasily Gorbik <gor@linux.ibm.com>2020-04-28 13:49:46 +0200
commite6ab7490ffaed83d6581f512e66c7c8cc6f58c2d (patch)
tree6bc7ba261847694c51d5336c6b67854f02f23c19 /arch/s390/include
parentae83d0b416db002fe95601e7f97f64b59514d936 (diff)
downloadlinux-e6ab7490ffaed83d6581f512e66c7c8cc6f58c2d.tar.bz2
s390/pci: Expose new port attribute for PCIe functions
Add SysFS attribute that provides the port number for PCI functions representing a single port of a multi-port device. Signed-off-by: Alexander Schmidt <alexs@linux.ibm.com> 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')
-rw-r--r--arch/s390/include/asm/pci.h1
-rw-r--r--arch/s390/include/asm/pci_clp.h3
2 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h
index 7485ee561fec..11560bfefe48 100644
--- a/arch/s390/include/asm/pci.h
+++ b/arch/s390/include/asm/pci.h
@@ -108,6 +108,7 @@ struct zpci_dev {
u8 pfgid; /* function group ID */
u8 pft; /* pci function type */
u16 domain;
+ u8 port;
struct mutex lock;
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h
index bd2cb4ea7d93..d8122f534f54 100644
--- a/arch/s390/include/asm/pci_clp.h
+++ b/arch/s390/include/asm/pci_clp.h
@@ -102,7 +102,8 @@ struct clp_rsp_query_pci {
u16 pchid;
__le32 bar[PCI_STD_NUM_BARS];
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
- u32 : 16;
+ u16 : 12;
+ u16 port : 4;
u8 fmb_len;
u8 pft; /* pci function type */
u64 sdma; /* start dma as */