diff options
Diffstat (limited to 'src/linux_sysfs.c')
| -rw-r--r-- | src/linux_sysfs.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/linux_sysfs.c b/src/linux_sysfs.c index 78584d6..5fa0ea1 100644 --- a/src/linux_sysfs.c +++ b/src/linux_sysfs.c @@ -55,6 +55,8 @@ #include "pciaccess_private.h" #include "linux_devmem.h" +static void pci_device_linux_sysfs_enable(struct pci_device *dev); + static int pci_device_linux_sysfs_read_rom( struct pci_device * dev, void * buffer ); @@ -84,7 +86,8 @@ static const struct pci_system_methods linux_sysfs_methods = { .read = pci_device_linux_sysfs_read, .write = pci_device_linux_sysfs_write, - .fill_capabilities = pci_fill_capabilities_generic + .fill_capabilities = pci_fill_capabilities_generic, + .enable = pci_device_linux_sysfs_enable, }; #define SYS_BUS_PCI "/sys/bus/pci/devices" @@ -622,3 +625,23 @@ pci_device_linux_sysfs_unmap_range(struct pci_device *dev, return err; } + +static void pci_device_linux_sysfs_enable(struct pci_device *dev) +{ + char name[256]; + int fd; + + snprintf( name, 255, "%s/%04x:%02x:%02x.%1u/enable", + SYS_BUS_PCI, + dev->domain, + dev->bus, + dev->dev, + dev->func ); + + fd = open( name, O_RDWR ); + if (fd == -1) + return; + + write( fd, "1", 1 ); + close(fd); +} |