Commit 7ec9bb11 authored by Daniel Verkamp's avatar Daniel Verkamp
Browse files

pci: stub out kernel driver functions on FreeBSD 



The kernel driver unloading/loading code is Linux specific; replace it
with stubs on FreeBSD for now.

Change-Id: Ic67c1d89b2fb9a65e9ce5b88d27b6cd6af5554a7
Signed-off-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
parent 51bc5fce

lib/util/pci.c

+82 −53
Original line number Diff line number Diff line
@@ -451,60 +451,7 @@ spdk_pci_device_has_non_uio_driver(struct spdk_pci_device *dev) 
	return (strncmp(driver_begin, "uio_", 4) != 0 &&

		strcmp(driver_begin, "vfio-pci") != 0);

}

#endif



#ifdef __FreeBSD__

int

spdk_pci_device_has_non_uio_driver(struct spdk_pci_device *dev)

{

	struct pci_conf_io	configsel;

	struct pci_match_conf	pattern;

	struct pci_conf		conf;

	int			fd;



	memset(&pattern, 0, sizeof(pattern));

	pattern.pc_sel.pc_domain = spdk_pci_device_get_domain(dev);

	pattern.pc_sel.pc_bus = spdk_pci_device_get_bus(dev);

	pattern.pc_sel.pc_dev = spdk_pci_device_get_dev(dev);

	pattern.pc_sel.pc_func = spdk_pci_device_get_func(dev);

	pattern.flags = PCI_GETCONF_MATCH_DOMAIN |

			PCI_GETCONF_MATCH_BUS |

			PCI_GETCONF_MATCH_DEV |

			PCI_GETCONF_MATCH_FUNC;



	memset(&configsel, 0, sizeof(configsel));

	configsel.match_buf_len = sizeof(conf);

	configsel.matches = &conf;

	configsel.num_patterns = 1;

	configsel.pat_buf_len = sizeof(pattern);

	configsel.patterns = &pattern;



	fd = open("/dev/pci", O_RDONLY, 0);

	if (fd < 0) {

		fprintf(stderr, "could not open /dev/pci\n");

		return -1;

	}



	if (ioctl(fd, PCIOCGETCONF, &configsel) == -1) {

		fprintf(stderr, "ioctl(PCIOCGETCONF) failed\n");

		close(fd);

		return -1;

	}



	close(fd);



	if (configsel.num_matches != 1) {

		fprintf(stderr, "could not find specified device\n");

		return -1;

	}



	if (conf.pd_name[0] == '\0' || !strcmp(conf.pd_name, "nic_uio")) {

		return 0;

	} else {

		return 1;

	}

}

#endif



int

spdk_pci_device_unbind_kernel_driver(struct spdk_pci_device *dev)
@@ -677,3 +624,85 @@ spdk_pci_device_claim(struct spdk_pci_device *dev) 
	/* Keep dev_fd open to maintain the lock. */

	return 0;

}

#endif /* __linux__ */



#ifdef __FreeBSD__

int

spdk_pci_device_has_non_uio_driver(struct spdk_pci_device *dev)

{

	struct pci_conf_io	configsel;

	struct pci_match_conf	pattern;

	struct pci_conf		conf;

	int			fd;



	memset(&pattern, 0, sizeof(pattern));

	pattern.pc_sel.pc_domain = spdk_pci_device_get_domain(dev);

	pattern.pc_sel.pc_bus = spdk_pci_device_get_bus(dev);

	pattern.pc_sel.pc_dev = spdk_pci_device_get_dev(dev);

	pattern.pc_sel.pc_func = spdk_pci_device_get_func(dev);

	pattern.flags = PCI_GETCONF_MATCH_DOMAIN |

			PCI_GETCONF_MATCH_BUS |

			PCI_GETCONF_MATCH_DEV |

			PCI_GETCONF_MATCH_FUNC;



	memset(&configsel, 0, sizeof(configsel));

	configsel.match_buf_len = sizeof(conf);

	configsel.matches = &conf;

	configsel.num_patterns = 1;

	configsel.pat_buf_len = sizeof(pattern);

	configsel.patterns = &pattern;



	fd = open("/dev/pci", O_RDONLY, 0);

	if (fd < 0) {

		fprintf(stderr, "could not open /dev/pci\n");

		return -1;

	}



	if (ioctl(fd, PCIOCGETCONF, &configsel) == -1) {

		fprintf(stderr, "ioctl(PCIOCGETCONF) failed\n");

		close(fd);

		return -1;

	}



	close(fd);



	if (configsel.num_matches != 1) {

		fprintf(stderr, "could not find specified device\n");

		return -1;

	}



	if (conf.pd_name[0] == '\0' || !strcmp(conf.pd_name, "nic_uio")) {

		return 0;

	} else {

		return 1;

	}

}



int

spdk_pci_device_unbind_kernel_driver(struct spdk_pci_device *dev)

{

	/* TODO */

	return 0;

}



int

spdk_pci_device_bind_uio_driver(struct spdk_pci_device *dev)

{

	/* TODO */

	return 0;

}



int

spdk_pci_device_switch_to_uio_driver(struct spdk_pci_device *dev)

{

	/* TODO */

	return 0;

}



int

spdk_pci_device_claim(struct spdk_pci_device *dev)

{

	/* TODO */

	return 0;

}

#endif /* __FreeBSD__ */