diff options
| author | Niklas Schnelle <schnelle@linux.ibm.com> | 2020-12-10 15:28:05 +0100 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2021-06-28 11:18:28 +0200 |
| commit | c1e18c17bda68cdf2b58744b2864836de05dcf3a (patch) | |
| tree | 2d984dc4ccd81a9633ed325f2722c0460e8ef9d0 /arch/s390/include | |
| parent | e2bc3e91d91ede6710801fa0737e4e4ed729b19e (diff) | |
| download | linux-c1e18c17bda68cdf2b58744b2864836de05dcf3a.tar.bz2 | |
s390/pci: add zpci_set_irq()/zpci_clear_irq()
Pull the directed vs floating IRQ check into common
zpci_set_irq()/zpci_clear_irq() functions and expose them for the rest
of the zPCI subsystem. Furthermore we add a zdev flag bit to easily
check if IRQs are registered. This is needed for use in resetting a zPCI
function.
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/include')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 10b67f8aab99..5509b224c2ec 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -133,7 +133,8 @@ struct zpci_dev { u8 has_resources : 1; u8 is_physfn : 1; u8 util_str_avail : 1; - u8 reserved : 3; + u8 irqs_registered : 1; + u8 reserved : 2; unsigned int devfn; /* DEVFN part of the RID*/ struct mutex lock; @@ -271,9 +272,13 @@ struct zpci_dev *get_zdev_by_fid(u32); int zpci_dma_init(void); void zpci_dma_exit(void); +/* IRQ */ int __init zpci_irq_init(void); void __init zpci_irq_exit(void); +int zpci_set_irq(struct zpci_dev *zdev); +int zpci_clear_irq(struct zpci_dev *zdev); + /* FMB */ int zpci_fmb_enable_device(struct zpci_dev *); int zpci_fmb_disable_device(struct zpci_dev *); |