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Searched refs:root_port (Results 1 – 19 of 19) sorted by relevance

/linux-6.15/drivers/cxl/
H A Dacpi.c183 struct cxl_port *root_port; member
347 struct cxl_port *root_port = ctx->root_port; in DEFINE_FREE() local
378 cxl_root_decoder_alloc(root_port, ways); in DEFINE_FREE()
562 struct cxl_port *root_port = arg; in add_host_bridge_dport() local
563 struct device *host = root_port->dev.parent; in add_host_bridge_dport()
619 struct cxl_port *root_port = arg; in add_host_bridge_uport() local
677 struct cxl_port *root_port = data; in add_root_nvdimm_bridge() local
821 struct cxl_port *root_port; in cxl_acpi_probe() local
843 root_port = &cxl_root->port; in cxl_acpi_probe()
856 .root_port = root_port, in cxl_acpi_probe()
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/linux-6.15/net/bridge/
H A Dbr_stp.c103 u16 root_port) in br_should_become_root_port() argument
117 if (!root_port) in br_should_become_root_port()
120 rp = br_get_port(br, root_port); in br_should_become_root_port()
170 u16 root_port = 0; in br_root_selection() local
179 root_port = p->port_no; in br_root_selection()
182 br->root_port = root_port; in br_root_selection()
184 if (!root_port) { in br_root_selection()
188 p = br_get_port(br, root_port); in br_root_selection()
232 = br_get_port(br, br->root_port); in br_transmit_config()
279 p = br_get_port(br, br->root_port); in br_transmit_tcn()
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H A Dbr_ioctl.c179 b.root_port = br->root_port; in br_dev_siocdevprivate()
H A Dbr_sysfs_br.c238 return sprintf(buf, "%d\n", to_bridge(d)->root_port); in root_port_show()
240 static DEVICE_ATTR_RO(root_port);
H A Dbr_netlink.c1680 nla_put_u16(skb, IFLA_BR_ROOT_PORT, br->root_port) || in br_fill_info()
H A Dbr_private.h518 u16 root_port; member
/linux-6.15/drivers/pci/hotplug/
H A Dacpiphp_ampere_altra.c43 struct pci_dev *root_port; in set_attention_status() local
49 root_port = pcie_find_root_port(bus->self); in set_attention_status()
50 if (!root_port) in set_attention_status()
63 (PCI_SLOT(root_port->devfn) << 4) | (pci_domain_nr(bus) & 0xf), in set_attention_status()
/linux-6.15/Documentation/admin-guide/perf/
H A Dnvidia-pmu.rst204 "root_port" bitmap parameter to select the port(s) to monitor, i.e.
205 "root_port=0xF" corresponds to root port 0 to 3. The PMU will monitor all root
207 /sys/bus/event_source/devices/nvidia_pcie_pmu_<socket-id>/format/root_port
208 shows the valid bits that can be set in the "root_port" parameter.
214 perf stat -a -e nvidia_pcie_pmu_0/event=0x0,root_port=0x3/
218 perf stat -a -e nvidia_pcie_pmu_1/event=0x0,root_port=0x3/
/linux-6.15/drivers/cxl/core/
H A Dcdat.c314 static bool cxl_qos_match(struct cxl_port *root_port, in cxl_qos_match() argument
320 if (!device_for_each_child(&root_port->dev, &dpa_perf->qos_class, in cxl_qos_match()
351 struct cxl_port *root_port; in cxl_qos_class_verify() local
363 root_port = &cxl_root->port; in cxl_qos_class_verify()
371 if (!device_for_each_child(&root_port->dev, in cxl_qos_class_verify()
385 if (!cxl_qos_match(root_port, perf)) in cxl_qos_class_verify()
H A Dregion.c1915 struct cxl_port *ep_port, *root_port; in cxl_region_attach() local
1955 root_port = cxlrd_to_port(cxlrd); in cxl_region_attach()
1956 dport = cxl_find_dport_by_dev(root_port, ep_port->host_bridge); in cxl_region_attach()
2012 dport = cxl_find_dport_by_dev(root_port, in cxl_region_attach()
/linux-6.15/drivers/hwtracing/ptt/
H A Dhisi_ptt.c615 struct pci_dev *pdev, *root_port; in hisi_ptt_notifier_call() local
620 root_port = pcie_find_root_port(pdev); in hisi_ptt_notifier_call()
621 if (!root_port) in hisi_ptt_notifier_call()
624 port_devid = pci_dev_id(root_port); in hisi_ptt_notifier_call()
662 struct pci_dev *root_port = pcie_find_root_port(pdev); in hisi_ptt_init_filters() local
667 if (!root_port) in hisi_ptt_init_filters()
670 port_devid = pci_dev_id(root_port); in hisi_ptt_init_filters()
/linux-6.15/drivers/perf/hisilicon/
H A Dhisi_pcie_pmu.c284 struct pci_dev *root_port, *pdev; in hisi_pcie_pmu_valid_requester_id() local
292 root_port = pcie_find_root_port(pdev); in hisi_pcie_pmu_valid_requester_id()
293 if (!root_port) { in hisi_pcie_pmu_valid_requester_id()
299 rp_bdf = pci_dev_id(root_port); in hisi_pcie_pmu_valid_requester_id()
/linux-6.15/drivers/usb/host/
H A Dr8a66597-hcd.c248 char *devpath, u16 *root_port, u16 *hub_port) in get_port_number() argument
250 if (root_port) { in get_port_number()
251 *root_port = (devpath[0] & 0x0F) - 1; in get_port_number()
252 if (*root_port >= r8a66597->max_root_hub) in get_port_number()
355 &dev->root_port, &dev->hub_port); in make_r8a66597_device()
357 r8a66597->root_hub[dev->root_port].dev = dev; in make_r8a66597_device()
362 dev->hub_port, dev->root_port); in make_r8a66597_device()
1842 u16 root_port, hub_port; in set_address_zero() local
1846 &root_port, &hub_port); in set_address_zero()
1850 hub_port, root_port); in set_address_zero()
H A Dr8a66597.h75 u16 root_port; member
/linux-6.15/drivers/thunderbolt/
H A Dswitch.c213 struct pci_dev *root_port; in nvm_authenticate_start_dma_port() local
221 root_port = pcie_find_root_port(sw->tb->nhi->pdev); in nvm_authenticate_start_dma_port()
222 if (root_port) in nvm_authenticate_start_dma_port()
223 pm_runtime_get_noresume(&root_port->dev); in nvm_authenticate_start_dma_port()
228 struct pci_dev *root_port; in nvm_authenticate_complete_dma_port() local
230 root_port = pcie_find_root_port(sw->tb->nhi->pdev); in nvm_authenticate_complete_dma_port()
231 if (root_port) in nvm_authenticate_complete_dma_port()
232 pm_runtime_put(&root_port->dev); in nvm_authenticate_complete_dma_port()
/linux-6.15/tools/testing/cxl/test/
H A Dcxl.c1163 struct platform_device *root_port = cxl_root_single[i]; in cxl_single_topo_init() local
1170 pdev->dev.parent = &root_port->dev; in cxl_single_topo_init()
1406 struct platform_device *root_port = cxl_root_port[i]; in cxl_test_init() local
1412 pdev->dev.parent = &root_port->dev; in cxl_test_init()
/linux-6.15/drivers/perf/arm_cspmu/
H A Dnvidia_cspmu.c128 ARM_CSPMU_FORMAT_ATTR(root_port, "config1:0-9"),
/linux-6.15/include/uapi/linux/
H A Dif_bridge.h67 __u8 root_port; member
/linux-6.15/drivers/pci/
H A Dquirks.c4591 struct pci_dev *root_port = pcie_find_root_port(pdev); in quirk_disable_root_port_attributes() local
4593 if (!root_port) { in quirk_disable_root_port_attributes()
4598 …pci_info(root_port, "Disabling No Snoop/Relaxed Ordering Attributes to avoid PCIe Completion errat… in quirk_disable_root_port_attributes()
4600 pcie_capability_clear_word(root_port, PCI_EXP_DEVCTL, in quirk_disable_root_port_attributes()