Lines Matching +full:rom +full:- +full:val
1 // SPDX-License-Identifier: GPL-2.0
3 * (C) Copyright 2002-2004 Greg Kroah-Hartman <greg@kroah.com>
4 * (C) Copyright 2002-2004 IBM Corp.
6 * (C) Copyright 2003 Hewlett-Packard
44 return sysfs_emit(buf, format_string, pdev->field); \
64 * MSI-X, show the legacy INTx IRQ. in irq_show()
66 if (pdev->msi_enabled) in irq_show()
70 return sysfs_emit(buf, "%u\n", pdev->irq); in irq_show()
79 return sysfs_emit(buf, "%u\n", pdev->broken_parity_status); in broken_parity_status_show()
87 unsigned long val; in broken_parity_status_store() local
89 if (kstrtoul(buf, 0, &val) < 0) in broken_parity_status_store()
90 return -EINVAL; in broken_parity_status_store()
92 pdev->broken_parity_status = !!val; in broken_parity_status_store()
109 mask = cpumask_of_pcibus(to_pci_dev(dev)->bus); in pci_dev_show_local_cpu()
154 return sysfs_emit(buf, "%s\n", pci_power_name(pdev->current_state)); in power_state_show()
168 if (pci_dev->subordinate) in resource_show()
174 struct resource *res = &pci_dev->resource[i]; in resource_show()
179 (unsigned long long)res->flags); in resource_show()
214 return -EINVAL; in current_link_speed_show()
231 return -EINVAL; in current_link_width_show()
247 return -EINVAL; in secondary_bus_number_show()
263 return -EINVAL; in subordinate_bus_number_show()
275 return sysfs_emit(buf, "%u\n", pci_ari_enabled(pci_dev->bus)); in ari_enabled_show()
285 pci_dev->vendor, pci_dev->device, in modalias_show()
286 pci_dev->subsystem_vendor, pci_dev->subsystem_device, in modalias_show()
287 (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8), in modalias_show()
288 (u8)(pci_dev->class)); in modalias_show()
296 unsigned long val; in enable_store() local
301 return -EPERM; in enable_store()
303 if (kstrtoul(buf, 0, &val) < 0) in enable_store()
304 return -EINVAL; in enable_store()
307 if (dev->driver) in enable_store()
308 result = -EBUSY; in enable_store()
309 else if (val) in enable_store()
314 result = -EIO; in enable_store()
326 return sysfs_emit(buf, "%u\n", atomic_read(&pdev->enable_cnt)); in enable_show()
339 return -EPERM; in numa_node_store()
342 return -EINVAL; in numa_node_store()
345 return -EINVAL; in numa_node_store()
348 return -EINVAL; in numa_node_store()
354 dev->numa_node = node; in numa_node_store()
361 return sysfs_emit(buf, "%d\n", dev->numa_node); in numa_node_show()
371 return sysfs_emit(buf, "%d\n", fls64(pdev->dma_mask)); in dma_mask_bits_show()
379 return sysfs_emit(buf, "%d\n", fls64(dev->coherent_dma_mask)); in consistent_dma_mask_bits_show()
387 struct pci_bus *subordinate = pdev->subordinate; in msi_bus_show()
390 !(subordinate->bus_flags & PCI_BUS_FLAGS_NO_MSI) in msi_bus_show()
391 : !pdev->no_msi); in msi_bus_show()
398 struct pci_bus *subordinate = pdev->subordinate; in msi_bus_store()
399 unsigned long val; in msi_bus_store() local
402 return -EPERM; in msi_bus_store()
404 if (kstrtoul(buf, 0, &val) < 0) in msi_bus_store()
405 return -EINVAL; in msi_bus_store()
409 * requests MSI or MSI-X. They don't affect any drivers that have in msi_bus_store()
410 * already requested MSI or MSI-X. in msi_bus_store()
413 pdev->no_msi = !val; in msi_bus_store()
414 pci_info(pdev, "MSI/MSI-X %s for future drivers\n", in msi_bus_store()
415 val ? "allowed" : "disallowed"); in msi_bus_store()
419 if (val) in msi_bus_store()
420 subordinate->bus_flags &= ~PCI_BUS_FLAGS_NO_MSI; in msi_bus_store()
422 subordinate->bus_flags |= PCI_BUS_FLAGS_NO_MSI; in msi_bus_store()
424 dev_info(&subordinate->dev, "MSI/MSI-X %s for future drivers of devices on this bus\n", in msi_bus_store()
425 val ? "allowed" : "disallowed"); in msi_bus_store()
432 unsigned long val; in rescan_store() local
435 if (kstrtoul(buf, 0, &val) < 0) in rescan_store()
436 return -EINVAL; in rescan_store()
438 if (val) { in rescan_store()
466 unsigned long val; in dev_rescan_store() local
469 if (kstrtoul(buf, 0, &val) < 0) in dev_rescan_store()
470 return -EINVAL; in dev_rescan_store()
472 if (val) { in dev_rescan_store()
474 pci_rescan_bus(pdev->bus); in dev_rescan_store()
485 unsigned long val; in remove_store() local
487 if (kstrtoul(buf, 0, &val) < 0) in remove_store()
488 return -EINVAL; in remove_store()
490 if (val && device_remove_file_self(dev, attr)) in remove_store()
501 unsigned long val; in bus_rescan_store() local
504 if (kstrtoul(buf, 0, &val) < 0) in bus_rescan_store()
505 return -EINVAL; in bus_rescan_store()
507 if (val) { in bus_rescan_store()
509 if (!pci_is_root_bus(bus) && list_empty(&bus->devices)) in bus_rescan_store()
510 pci_rescan_bus_bridge_resize(bus->self); in bus_rescan_store()
526 unsigned long val; in d3cold_allowed_store() local
528 if (kstrtoul(buf, 0, &val) < 0) in d3cold_allowed_store()
529 return -EINVAL; in d3cold_allowed_store()
531 pdev->d3cold_allowed = !!val; in d3cold_allowed_store()
543 return sysfs_emit(buf, "%u\n", pdev->d3cold_allowed); in d3cold_allowed_show()
569 ret = driver_set_override(dev, &pdev->driver_override, buf, count); in driver_override_store()
583 len = sysfs_emit(buf, "%s\n", pdev->driver_override); in driver_override_show()
661 !!(pdev->resource[PCI_ROM_RESOURCE].flags & in boot_vga_show()
677 size = dev->cfg_size; in pci_read_config()
678 else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) in pci_read_config()
684 size -= off; in pci_read_config()
693 u8 val; in pci_read_config() local
694 pci_user_read_config_byte(dev, off, &val); in pci_read_config()
695 data[off - init_off] = val; in pci_read_config()
697 size--; in pci_read_config()
701 u16 val; in pci_read_config() local
702 pci_user_read_config_word(dev, off, &val); in pci_read_config()
703 data[off - init_off] = val & 0xff; in pci_read_config()
704 data[off - init_off + 1] = (val >> 8) & 0xff; in pci_read_config()
706 size -= 2; in pci_read_config()
710 u32 val; in pci_read_config() local
711 pci_user_read_config_dword(dev, off, &val); in pci_read_config()
712 data[off - init_off] = val & 0xff; in pci_read_config()
713 data[off - init_off + 1] = (val >> 8) & 0xff; in pci_read_config()
714 data[off - init_off + 2] = (val >> 16) & 0xff; in pci_read_config()
715 data[off - init_off + 3] = (val >> 24) & 0xff; in pci_read_config()
717 size -= 4; in pci_read_config()
722 u16 val; in pci_read_config() local
723 pci_user_read_config_word(dev, off, &val); in pci_read_config()
724 data[off - init_off] = val & 0xff; in pci_read_config()
725 data[off - init_off + 1] = (val >> 8) & 0xff; in pci_read_config()
727 size -= 2; in pci_read_config()
731 u8 val; in pci_read_config() local
732 pci_user_read_config_byte(dev, off, &val); in pci_read_config()
733 data[off - init_off] = val; in pci_read_config()
755 if (resource_is_exclusive(&dev->driver_exclusive_resource, off, in pci_write_config()
757 pci_warn_once(dev, "%s: Unexpected write to kernel-exclusive config offset %llx", in pci_write_config()
758 current->comm, off); in pci_write_config()
762 if (off > dev->cfg_size) in pci_write_config()
764 if (off + count > dev->cfg_size) { in pci_write_config()
765 size = dev->cfg_size - off; in pci_write_config()
772 pci_user_write_config_byte(dev, off, data[off - init_off]); in pci_write_config()
774 size--; in pci_write_config()
778 u16 val = data[off - init_off]; in pci_write_config() local
779 val |= (u16) data[off - init_off + 1] << 8; in pci_write_config()
780 pci_user_write_config_word(dev, off, val); in pci_write_config()
782 size -= 2; in pci_write_config()
786 u32 val = data[off - init_off]; in pci_write_config() local
787 val |= (u32) data[off - init_off + 1] << 8; in pci_write_config()
788 val |= (u32) data[off - init_off + 2] << 16; in pci_write_config()
789 val |= (u32) data[off - init_off + 3] << 24; in pci_write_config()
790 pci_user_write_config_dword(dev, off, val); in pci_write_config()
792 size -= 4; in pci_write_config()
796 u16 val = data[off - init_off]; in pci_write_config() local
797 val |= (u16) data[off - init_off + 1] << 8; in pci_write_config()
798 pci_user_write_config_word(dev, off, val); in pci_write_config()
800 size -= 2; in pci_write_config()
804 pci_user_write_config_byte(dev, off, data[off - init_off]); in pci_write_config()
822 a->size = PCI_CFG_SPACE_SIZE; in pci_dev_config_attr_is_visible()
823 if (pdev->cfg_size > PCI_CFG_SPACE_SIZE) in pci_dev_config_attr_is_visible()
824 a->size = PCI_CFG_SPACE_EXP_SIZE; in pci_dev_config_attr_is_visible()
826 return a->attr.mode; in pci_dev_config_attr_is_visible()
844 return fixed_size_llseek(filep, offset, whence, attr->size); in pci_llseek_resource()
849 * pci_read_legacy_io - read byte(s) from legacy I/O port space
868 return -EINVAL; in pci_read_legacy_io()
874 * pci_write_legacy_io - write byte(s) to legacy I/O port space
893 return -EINVAL; in pci_write_legacy_io()
899 * pci_mmap_legacy_mem - map legacy PCI memory into user memory space
919 * pci_mmap_legacy_io - map legacy PCI IO into user memory space
927 * memory space. Returns -ENOSYS if the operation isn't supported
939 * pci_adjust_legacy_attr - adjustment of legacy file attributes
951 * pci_create_legacy_files - create legacy I/O port and memory files
955 * a per-bus basis. This routine creates the files and ties them into
956 * their associated read, write and mmap files from pci-sysfs.c
968 b->legacy_io = kcalloc(2, sizeof(struct bin_attribute), in pci_create_legacy_files()
970 if (!b->legacy_io) in pci_create_legacy_files()
973 sysfs_bin_attr_init(b->legacy_io); in pci_create_legacy_files()
974 b->legacy_io->attr.name = "legacy_io"; in pci_create_legacy_files()
975 b->legacy_io->size = 0xffff; in pci_create_legacy_files()
976 b->legacy_io->attr.mode = 0600; in pci_create_legacy_files()
977 b->legacy_io->read = pci_read_legacy_io; in pci_create_legacy_files()
978 b->legacy_io->write = pci_write_legacy_io; in pci_create_legacy_files()
980 b->legacy_io->llseek = pci_llseek_resource; in pci_create_legacy_files()
981 b->legacy_io->mmap = pci_mmap_legacy_io; in pci_create_legacy_files()
982 b->legacy_io->f_mapping = iomem_get_mapping; in pci_create_legacy_files()
984 error = device_create_bin_file(&b->dev, b->legacy_io); in pci_create_legacy_files()
989 b->legacy_mem = b->legacy_io + 1; in pci_create_legacy_files()
990 sysfs_bin_attr_init(b->legacy_mem); in pci_create_legacy_files()
991 b->legacy_mem->attr.name = "legacy_mem"; in pci_create_legacy_files()
992 b->legacy_mem->size = 1024*1024; in pci_create_legacy_files()
993 b->legacy_mem->attr.mode = 0600; in pci_create_legacy_files()
994 b->legacy_mem->mmap = pci_mmap_legacy_mem; in pci_create_legacy_files()
996 b->legacy_mem->llseek = pci_llseek_resource; in pci_create_legacy_files()
997 b->legacy_mem->f_mapping = iomem_get_mapping; in pci_create_legacy_files()
999 error = device_create_bin_file(&b->dev, b->legacy_mem); in pci_create_legacy_files()
1006 device_remove_bin_file(&b->dev, b->legacy_io); in pci_create_legacy_files()
1008 kfree(b->legacy_io); in pci_create_legacy_files()
1009 b->legacy_io = NULL; in pci_create_legacy_files()
1011 dev_warn(&b->dev, "could not create legacy I/O port and ISA memory resources in sysfs\n"); in pci_create_legacy_files()
1016 if (b->legacy_io) { in pci_remove_legacy_files()
1017 device_remove_bin_file(&b->dev, b->legacy_io); in pci_remove_legacy_files()
1018 device_remove_bin_file(&b->dev, b->legacy_mem); in pci_remove_legacy_files()
1019 kfree(b->legacy_io); /* both are allocated here */ in pci_remove_legacy_files()
1035 start = vma->vm_pgoff; in pci_mmap_fits()
1036 size = ((pci_resource_len(pdev, resno) - 1) >> PAGE_SHIFT) + 1; in pci_mmap_fits()
1038 pci_resource_to_user(pdev, resno, &pdev->resource[resno], in pci_mmap_fits()
1049 * pci_mmap_resource - map a PCI resource into user memory space
1061 int bar = (unsigned long)attr->private; in pci_mmap_resource()
1063 struct resource *res = &pdev->resource[bar]; in pci_mmap_resource()
1070 if (res->flags & IORESOURCE_MEM && iomem_is_exclusive(res->start)) in pci_mmap_resource()
1071 return -EINVAL; in pci_mmap_resource()
1074 return -EINVAL; in pci_mmap_resource()
1076 mmap_type = res->flags & IORESOURCE_MEM ? pci_mmap_mem : pci_mmap_io; in pci_mmap_resource()
1101 int bar = (unsigned long)attr->private; in pci_resource_io()
1109 if (port + count - 1 > pci_resource_end(pdev, bar)) in pci_resource_io()
1110 return -EINVAL; in pci_resource_io()
1132 return -EINVAL; in pci_resource_io()
1134 return -ENXIO; in pci_resource_io()
1159 * pci_remove_resource_files - cleanup resource files
1172 res_attr = pdev->res_attr[i]; in pci_remove_resource_files()
1174 sysfs_remove_bin_file(&pdev->dev.kobj, res_attr); in pci_remove_resource_files()
1178 res_attr = pdev->res_attr_wc[i]; in pci_remove_resource_files()
1180 sysfs_remove_bin_file(&pdev->dev.kobj, res_attr); in pci_remove_resource_files()
1196 return -ENOMEM; in pci_create_attr()
1203 res_attr->mmap = pci_mmap_resource_wc; in pci_create_attr()
1207 res_attr->read = pci_read_resource_io; in pci_create_attr()
1208 res_attr->write = pci_write_resource_io; in pci_create_attr()
1210 res_attr->mmap = pci_mmap_resource_uc; in pci_create_attr()
1212 res_attr->mmap = pci_mmap_resource_uc; in pci_create_attr()
1215 if (res_attr->mmap) { in pci_create_attr()
1216 res_attr->f_mapping = iomem_get_mapping; in pci_create_attr()
1218 * generic_file_llseek() consults f_mapping->host to determine in pci_create_attr()
1222 res_attr->llseek = pci_llseek_resource; in pci_create_attr()
1224 res_attr->attr.name = res_attr_name; in pci_create_attr()
1225 res_attr->attr.mode = 0600; in pci_create_attr()
1226 res_attr->size = pci_resource_len(pdev, num); in pci_create_attr()
1227 res_attr->private = (void *)(unsigned long)num; in pci_create_attr()
1228 retval = sysfs_create_bin_file(&pdev->dev.kobj, res_attr); in pci_create_attr()
1235 pdev->res_attr_wc[num] = res_attr; in pci_create_attr()
1237 pdev->res_attr[num] = res_attr; in pci_create_attr()
1243 * pci_create_resource_files - create resource files in sysfs for @dev
1263 pdev->resource[i].flags & IORESOURCE_PREFETCH) in pci_create_resource_files()
1278 * pci_write_rom - used to enable access to the PCI ROM display
1295 pdev->rom_attr_enabled = 0; in pci_write_rom()
1297 pdev->rom_attr_enabled = 1; in pci_write_rom()
1303 * pci_read_rom - read a PCI ROM
1307 * @buf: where to put the data we read from the ROM
1311 * Put @count bytes starting at @off into @buf from the ROM in the PCI
1319 void __iomem *rom; in pci_read_rom() local
1322 if (!pdev->rom_attr_enabled) in pci_read_rom()
1323 return -EINVAL; in pci_read_rom()
1325 rom = pci_map_rom(pdev, &size); /* size starts out as PCI window size */ in pci_read_rom()
1326 if (!rom || !size) in pci_read_rom()
1327 return -EIO; in pci_read_rom()
1333 count = size - off; in pci_read_rom()
1335 memcpy_fromio(buf, rom + off, count); in pci_read_rom()
1337 pci_unmap_rom(pdev, rom); in pci_read_rom()
1341 static BIN_ATTR(rom, 0600, pci_read_rom, pci_write_rom, 0);
1354 /* If the device has a ROM, try to expose it in sysfs. */ in pci_dev_rom_attr_is_visible()
1359 a->size = rom_size; in pci_dev_rom_attr_is_visible()
1361 return a->attr.mode; in pci_dev_rom_attr_is_visible()
1373 unsigned long val; in reset_store() local
1376 if (kstrtoul(buf, 0, &val) < 0) in reset_store()
1377 return -EINVAL; in reset_store()
1379 if (val != 1) in reset_store()
1380 return -EINVAL; in reset_store()
1405 return a->mode; in pci_dev_reset_attr_is_visible()
1441 return -EINVAL; \
1444 if (dev->driver) { \
1445 ret = -EBUSY; \
1451 if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) { \
1474 pci_assign_unassigned_bus_resources(pdev->bus); \
1511 return pci_rebar_get_current_size(pdev, n) < 0 ? 0 : a->mode; in resource_resize_is_visible()
1522 return -EACCES; in pci_create_sysfs_dev_files()
1528 * pci_remove_sysfs_dev_files - cleanup PCI specific sysfs files
1575 return a->mode; in pci_dev_attrs_are_visible()
1592 if (pdev->is_virtfn) in pci_dev_hp_attrs_are_visible()
1595 return a->mode; in pci_dev_hp_attrs_are_visible()
1605 return a->mode; in pci_bridge_attrs_are_visible()
1617 return a->mode; in pcie_dev_attrs_are_visible()