diff options
| author | Niklas Schnelle <schnelle@linux.ibm.com> | 2024-10-02 10:29:00 +0200 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-10-10 15:32:44 +0200 |
| commit | 99ad39306a629e4ab59acc45c2ab7803d580731a (patch) | |
| tree | e45a6a8ec351adc275372816c638000f5e78f472 /arch | |
| parent | f626e79bfe42442f31e9ccdb3261a30ce904bb9d (diff) | |
s390/pci: Expose FIDPARM attribute in sysfs
This attribute will be used to communicate function type specific
firmware controlled flag bits.
Reviewed-by: Gerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 1 | ||||
| -rw-r--r-- | arch/s390/include/asm/pci_clp.h | 5 | ||||
| -rw-r--r-- | arch/s390/pci/pci_clp.c | 1 | ||||
| -rw-r--r-- | arch/s390/pci/pci_sysfs.c | 2 |
4 files changed, 7 insertions, 2 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index e107eda7af86..5013a690837e 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -136,6 +136,7 @@ struct zpci_dev { u8 pfgid; /* function group ID */ u8 pft; /* pci function type */ u8 port; + u8 fidparm; u8 dtsm; /* Supported DT mask */ u8 rid_available : 1; u8 has_hp_slot : 1; diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h index 14afb9ce91f3..3fff2f7095c8 100644 --- a/arch/s390/include/asm/pci_clp.h +++ b/arch/s390/include/asm/pci_clp.h @@ -123,8 +123,9 @@ struct clp_rsp_query_pci { u16 pchid; __le32 bar[PCI_STD_NUM_BARS]; u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */ - u16 : 12; - u16 port : 4; + u8 fidparm; + u8 reserved3 : 4; + u8 port : 4; u8 fmb_len; u8 pft; /* pci function type */ u64 sdma; /* start dma as */ diff --git a/arch/s390/pci/pci_clp.c b/arch/s390/pci/pci_clp.c index 74dac6da03d5..08987ac8dd35 100644 --- a/arch/s390/pci/pci_clp.c +++ b/arch/s390/pci/pci_clp.c @@ -162,6 +162,7 @@ static int clp_store_query_pci_fn(struct zpci_dev *zdev, zdev->pft = response->pft; zdev->vfn = response->vfn; zdev->port = response->port; + zdev->fidparm = response->fidparm; zdev->uid = response->uid; zdev->fmb_length = sizeof(u32) * response->fmb_len; zdev->is_physfn = response->is_physfn; diff --git a/arch/s390/pci/pci_sysfs.c b/arch/s390/pci/pci_sysfs.c index 055a75b3f59d..5f46ad58dcd1 100644 --- a/arch/s390/pci/pci_sysfs.c +++ b/arch/s390/pci/pci_sysfs.c @@ -34,6 +34,7 @@ zpci_attr(pfgid, "0x%02x\n", pfgid); zpci_attr(vfn, "0x%04x\n", vfn); zpci_attr(pft, "0x%02x\n", pft); zpci_attr(port, "%d\n", port); +zpci_attr(fidparm, "0x%02x\n", fidparm); zpci_attr(uid, "0x%x\n", uid); zpci_attr(segment0, "0x%02x\n", pfip[0]); zpci_attr(segment1, "0x%02x\n", pfip[1]); @@ -215,6 +216,7 @@ static struct attribute *zpci_dev_attrs[] = { &dev_attr_pfgid.attr, &dev_attr_pft.attr, &dev_attr_port.attr, + &dev_attr_fidparm.attr, &dev_attr_vfn.attr, &dev_attr_uid.attr, &dev_attr_recover.attr, |