diff options
| author | Niklas Schnelle <schnelle@linux.ibm.com> | 2020-08-17 10:29:23 +0200 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-09-14 11:38:34 +0200 |
| commit | abb95b7550f88bfb77081601f80662a259f2d143 (patch) | |
| tree | 279a31d30451689625f0110e3dfc96e2a530c8cc /arch/s390/pci/pci_iov.h | |
| parent | da1694ad9e8d13484c8b4ecaabde0bd7b958442a (diff) | |
s390/pci: consolidate SR-IOV specific code
currently we have multiple #ifdef CONFIG_PCI_IOV blocks spread over
different compliation units and headers, all dealing with SR-IOV
specific behavior.
This violates the style guide which discourages conditionally compiled
code blocks and hinders maintainability by speading SR-IOV functionality
over many files.
Let's move all of this into a conditionally compiled pci_iov.c file and
local header and prefix SR-IOV specific functions with zpci_iov_*.
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'arch/s390/pci/pci_iov.h')
| -rw-r--r-- | arch/s390/pci/pci_iov.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/s390/pci/pci_iov.h b/arch/s390/pci/pci_iov.h new file mode 100644 index 000000000000..b2c828003bad --- /dev/null +++ b/arch/s390/pci/pci_iov.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright IBM Corp. 2020 + * + * Author(s): + * Niklas Schnelle <schnelle@linux.ibm.com> + * + */ + +#ifndef __S390_PCI_IOV_H +#define __S390_PCI_IOV_H + +#ifdef CONFIG_PCI_IOV +void zpci_iov_remove_virtfn(struct pci_dev *pdev, int vfn); + +void zpci_iov_map_resources(struct pci_dev *pdev); + +int zpci_iov_setup_virtfn(struct zpci_bus *zbus, struct pci_dev *virtfn, int vfn); + +#else /* CONFIG_PCI_IOV */ +static inline void zpci_iov_remove_virtfn(struct pci_dev *pdev, int vfn) {} + +static inline void zpci_iov_map_resources(struct pci_dev *pdev) {} + +static inline int zpci_iov_setup_virtfn(struct zpci_bus *zbus, struct pci_dev *virtfn, int vfn) +{ + return 0; +} +#endif /* CONFIG_PCI_IOV */ +#endif /* __S390_PCI_IOV_h */ |