Commit 99ad3930 authored by Niklas Schnelle's avatar Niklas Schnelle Committed by Heiko Carstens
Browse files

s390/pci: Expose FIDPARM attribute in sysfs 



This attribute will be used to communicate function type specific
firmware controlled flag bits.

Reviewed-by: default avatarGerd Bayer <gbayer@linux.ibm.com>
Reviewed-by: default avatarAlexandra Winter <wintera@linux.ibm.com>
Signed-off-by: default avatarNiklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent f626e79b

arch/s390/include/asm/pci.h

+1 −0
Original line number Diff line number Diff line
@@ -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;

arch/s390/include/asm/pci_clp.h

+3 −2
Original line number Diff line number Diff line
@@ -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 */

arch/s390/pci/pci_clp.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

arch/s390/pci/pci_sysfs.c

+2 −0
Original line number Diff line number Diff line
@@ -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,