| /linux/Documentation/driver-api/usb/ |
| H A D | typec_bus.rst | 2 API for USB Type-C Alternate Mode drivers
6 ------------
9 Messages (VDM) as defined in USB Type-C and USB Power Delivery Specifications.
10 The communication is SVID (Standard or Vendor ID) specific, i.e. specific for
13 USB Type-C bus allows binding a driver to the discovered partner alternate
16 :ref:`USB Type-C Connector Class <typec>` provides a device for every alternate
17 mode a port supports, and separate device for every alternate mode the partner
19 mode devices, and the port alternate mode devices must be handled by the port
23 alternate mode device of the port that the partner is attached to, that has
24 matching SVID and mode. Communication between the port driver and alternate mode
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| /linux/Documentation/driver-api/rapidio/ |
| H A D | rapidio.rst | 5 The RapidIO standard is a packet-based fabric interconnect standard designed for
8 is publicly available for download from the RTA web-site [1].
17 into the kernel similarly to other buses by defining RapidIO-specific device and
21 architecture-specific interfaces that provide support for common RapidIO
32 2.1 Master Port
33 ---------------
35 A master port (or mport) is a RapidIO interface controller that is local to the
36 processor executing the Linux code. A master port generates and receives RapidIO
37 packets (transactions). In the RapidIO subsystem each master port is represented
38 by a rio_mport data structure. This structure contains master port specific
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| /linux/Documentation/networking/dsa/ |
| H A D | dsa.rst | 19 they configured/queried a switch port network device or a regular network
22 An Ethernet switch typically comprises multiple front-panel ports and one
24 presence of a management port connected to an Ethernet controller capable of
27 gateways, or even top-of-rack switches. This host Ethernet controller will
32 using upstream and downstream Ethernet links between switches. These specific
36 For each front-panel port, DSA creates specialized network devices which are
37 used as controlling and data-flowing endpoints for use by the Linux networking
42 which is a hardware feature making the switch insert a specific tag for each
43 Ethernet frame it receives to/from specific ports to help the management
46 - what port is this frame coming from
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| /linux/drivers/rapidio/ |
| H A D | rio.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
9 * Copyright 2009 - 2013 Integrated Device Technology, Inc.
30 * struct rio_pwrite - RIO portwrite event
33 * @context: Handler specific context to pass on event
65 * rio_local_get_device_id - Get the base/extended device id for a port
66 * @port: RIO master port from which to get the deviceid
69 * implementing the master port. Returns the 8/16-bit device
72 u16 rio_local_get_device_id(struct rio_mport *port) in rio_local_get_device_id() argument
76 rio_local_read_config_32(port, RIO_DID_CSR, &result); in rio_local_get_device_id()
78 return (RIO_GET_DID(port->sys_size, result)); in rio_local_get_device_id()
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| /linux/include/linux/ |
| H A D | rio_drv.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
19 extern int __rio_local_read_config_32(struct rio_mport *port, u32 offset,
21 extern int __rio_local_write_config_32(struct rio_mport *port, u32 offset,
23 extern int __rio_local_read_config_16(struct rio_mport *port, u32 offset,
25 extern int __rio_local_write_config_16(struct rio_mport *port, u32 offset,
27 extern int __rio_local_read_config_8(struct rio_mport *port, u32 offset,
29 extern int __rio_local_write_config_8(struct rio_mport *port, u32 offset,
32 extern int rio_mport_read_config_32(struct rio_mport *port, u16 destid,
34 extern int rio_mport_write_config_32(struct rio_mport *port, u16 destid,
36 extern int rio_mport_read_config_16(struct rio_mport *port, u16 destid,
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| H A D | rio.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
24 #define RIO_NO_HOPCOUNT -1
34 has multiple (or per port)
57 * 1-15 RapidIO memory regions
89 * struct rio_switch - RIO switch info
92 * @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0
93 * @ops: pointer to switch-specific operations
95 * @nextdev: Array of per-port pointers to the next attached device
107 * struct rio_switch_ops - Per-switch operations
109 * @add_entry: Callback for switch-specific route add function
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| /linux/drivers/rapidio/switches/ |
| H A D | idt_gen2.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
105 * Program destination port for the specified destID in idtg2_route_add_entry()
219 * This routine performs device-specific initialization only. in idtg2_em_init()
223 pr_debug("RIO: %s [%d:%d]\n", __func__, rdev->destid, rdev->hopcount); in idtg2_em_init()
225 /* Set Port-Write info CSR: PRIO=3 and CRF=1 */ in idtg2_em_init()
237 /* Use Port-Writes for LT layer error reporting. in idtg2_em_init()
238 * Enable per-port reset in idtg2_em_init()
245 * Configure PORT error reporting. in idtg2_em_init()
251 /* Configure reporting of implementation specific errors/events */ in idtg2_em_init()
255 /* Use Port-Writes for port error reporting and enable error logging */ in idtg2_em_init()
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| /linux/Documentation/devicetree/bindings/display/hisilicon/ |
| H A D | dw-dsi.txt | 1 Device-Tree bindings for DesignWare DSI Host Controller v1.20a driver
7 - compatible: value should be "hisilicon,hi6220-dsi".
8 - reg: physical base address and length of dsi controller's registers.
9 - clocks: contains APB clock phandle + clock-specifier pair.
10 - clock-names: should be "pclk".
11 - ports: contains DSI controller input and output sub port.
12 The input port connects to ADE output port with the reg value "0".
13 The output port with the reg value "1", it could connect to panel or
17 A example of HiKey board hi6220 SoC and board specific DT entry:
20 SoC specific:
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| /linux/Documentation/firmware-guide/acpi/ |
| H A D | intel-pmc-mux.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Intel North Mux-Agent
10 North Mux-Agent is a function of the Intel PMC firmware that is supported on
13 platforms that allow the mux-agent to be configured from the operating system
16 The North Mux-Agent (aka. Intel PMC Mux Control, or just mux-agent) driver
18 (drivers/platform/x86/intel_scu_ipc.c). The driver registers with the USB Type-C
19 Mux Class which allows the USB Type-C Controller and Interface drivers to
24 Port nodes
28 -------
30 For every USB Type-C connector under the mux-agent control on the system, there
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| /linux/Documentation/devicetree/bindings/i2c/ |
| H A D | i2c-opal.txt | 1 Device-tree bindings for I2C OPAL driver
2 ----------------------------------------
4 Most of the device node and properties layout is specific to the firmware and
5 used by the firmware itself for configuring the port. From the linux
6 perspective, the properties of use are "ibm,port-name" and "ibm,opal-id".
10 - reg: Port-id within a given master
11 - compatible: must be "ibm,opal-i2c"
12 - ibm,opal-id: Refers to a specific bus and used to identify it when calling
14 - bus-frequency: Operating frequency of the i2c bus (in HZ). Informational for
18 - ibm,port-name: Firmware provides this name that uniquely identifies the i2c
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| /linux/drivers/s390/scsi/ |
| H A D | zfcp_fc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
21 #define ZFCP_FC_CT_SIZE_PAGE (PAGE_SIZE - sizeof(struct fc_ct_hdr))
27 - sizeof(struct fc_ct_hdr))
34 * struct zfcp_fc_event - FC HBAAPI event for internal queueing from irq context
46 * struct zfcp_fc_events - Infrastructure for posting FC events from irq context
58 * struct zfcp_fc_gid_pn_req - container for ct header plus gid_pn request
68 * struct zfcp_fc_gid_pn_rsp - container for ct header plus gid_pn response
78 * struct zfcp_fc_gpn_ft - container for ct header plus gpn_ft request
88 * struct zfcp_fc_gspn_req - container for ct header plus GSPN_ID request
98 * struct zfcp_fc_gspn_rsp - container for ct header plus GSPN_ID response
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| /linux/drivers/misc/mei/hdcp/ |
| H A D | mei_hdcp.c | 1 // SPDX-License-Identifier: GPL-2.0
32 * mei_hdcp_initiate_session() - Initiate a Wired HDCP2.2 Tx Session in ME FW
34 * @data: Intel HW specific hdcp data
50 return -EINVAL; in mei_hdcp_initiate_session()
60 session_init_in.port.integrated_port_type = data->port_type; in mei_hdcp_initiate_session()
61 session_init_in.port.physical_port = (u8)data->hdcp_ddi; in mei_hdcp_initiate_session()
62 session_init_in.port.attached_transcoder = (u8)data->hdcp_transcoder; in mei_hdcp_initiate_session()
63 session_init_in.protocol = data->protocol; in mei_hdcp_initiate_session()
83 return -EIO; in mei_hdcp_initiate_session()
86 ake_data->msg_id = HDCP_2_2_AKE_INIT; in mei_hdcp_initiate_session()
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| /linux/Documentation/devicetree/bindings/net/ |
| H A D | fsl,fman-port.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/fsl,fman-port.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale Frame Manager Port Device
10 - Frank Li <Frank.Li@nxp.com>
21 - fsl,fman-v2-port-oh
22 - fsl,fman-v2-port-rx
23 - fsl,fman-v2-port-tx
24 - fsl,fman-v3-port-oh
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| /linux/drivers/thunderbolt/ |
| H A D | cap.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Thunderbolt driver - capabilities lookup
18 static int tb_port_enable_tmu(struct tb_port *port, bool enable) in tb_port_enable_tmu() argument
20 struct tb_switch *sw = port->sw; in tb_port_enable_tmu()
25 * Legacy devices need to have TMU access enabled before port in tb_port_enable_tmu()
47 static void tb_port_dummy_read(struct tb_port *port) in tb_port_dummy_read() argument
50 * When reading from next capability pointer location in port in tb_port_dummy_read()
53 * port capabilities are walked. in tb_port_dummy_read()
55 if (tb_switch_is_light_ridge(port->sw)) { in tb_port_dummy_read()
58 tb_port_read(port, &dummy, TB_CFG_PORT, 0, 1); in tb_port_dummy_read()
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| /linux/drivers/net/ethernet/ti/ |
| H A D | cpsw_ale.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Texas Instruments N-Port Ethernet Switch Address Lookup Engine APIs
20 /* NU Switch has specific handling as number of bits in ALE entries
21 * are different than other versions of ALE. Also there are specific
22 * registers for unknown vlan specific fields. So use nu_switch_ale
115 /* port controls */
141 /* ALE unicast entry flags - passed into cpsw_ale_add_ucast() */
165 int cpsw_ale_add_ucast(struct cpsw_ale *ale, const u8 *addr, int port,
167 int cpsw_ale_del_ucast(struct cpsw_ale *ale, const u8 *addr, int port,
173 int cpsw_ale_add_vlan(struct cpsw_ale *ale, u16 vid, int port, int untag,
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| /linux/include/linux/usb/ |
| H A D | typec.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
8 /* USB Type-C Specification releases */
102 * struct enter_usb_data - Enter_USB Message details
106 * @active_link_training is a flag that should be set with uni-directional SBRX
107 * communication, and left 0 with passive cables and with bi-directional SBRX
116 * struct usb_pd_identity - USB Power Delivery identity data
120 * @vdo: Product Type Specific VDOs
124 * REVISIT: This is USB Power Delivery specific informatio
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| /linux/drivers/scsi/mvsas/ |
| H A D | mv_64xx.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Marvell 88SE64xx hardware specific head file
7 * Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
24 MVS_PORTS_IMP = 0x9C, /* SOC Port Implemented */
26 MVS_GBL_PORT_TYPE = 0xa0, /* port type */
28 MVS_CTL = 0x100, /* SAS/SATA port configuration */
29 MVS_PCS = 0x104, /* SAS/SATA port control/status */
53 /* ports 1-3 follow after this */
56 /* ports 5-7 follow after this */
60 /* ports 1-3 follow after this */
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| /linux/include/uapi/scsi/fc/ |
| H A D | fc_els.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5 * Maintained at www.Open-FCoE.org
15 * Fibre Channel Switch - Enhanced Link Services definitions.
16 * From T11 FC-LS Rev 1.2 June 7, 2005.
20 * ELS Command codes - byte 0 of the frame payload
28 ELS_ABTX = 0x06, /* Abort exchange - obsolete */
56 ELS_NACT = 0x33, /* N-port activate alias_id */
57 ELS_NDACT = 0x34, /* N-port deactivate alias_id */
66 ELS_RPS = 0x56, /* read port status block */
67 ELS_RPL = 0x57, /* read port list */
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| /linux/arch/x86/include/asm/ |
| H A D | iosf_mbi.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
63 * iosf_mbi_read() - MailBox Interface read command
64 * @port: port indicating subunit being accessed
65 * @opcode: port specific read or write opcode
69 * Locking is handled by spinlock - cannot sleep.
72 int iosf_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr);
75 * iosf_mbi_write() - MailBox unmasked write command
76 * @port: port indicating subunit being accessed
77 * @opcode: port specific read or write opcode
81 * Locking is handled by spinlock - cannot sleep.
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| /linux/tools/testing/selftests/bpf/ |
| H A D | test_sock.c | |
| /linux/Documentation/networking/devlink/ |
| H A D | prestera.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 Driver-specific Traps
13 .. list-table:: List of Driver-specific Traps Registered by ``prestera``
16 * - Name
17 - Type
18 - Description
19 .. list-table:: List of Driver-specific Traps Registered by ``prestera``
22 * - Name
23 - Type
24 - Description
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| /linux/drivers/infiniband/ulp/opa_vnic/ |
| H A D | opa_vnic_encap.h | 26 * - Redistributions of source code must retain the above copyright
28 * - Redistributions in binary form must reproduce the above copyright
32 * - Neither the name of Intel Corporation nor the names of its
34 * from this software without specific prior written permission.
84 #define OPA_VNIC_EMA_DATA (OPA_MGMT_MAD_SIZE - IB_MGMT_VENDOR_HDR)
86 /* Defines for vendor specific notice(trap) attributes */
118 * struct opa_vesw_info - OPA vnic switch information
119 * @fabric_id: 10-bit fabric id
120 * @vesw_id: 12-bit virtual ethernet switch id
155 * struct opa_per_veswport_info - OPA vnic per port information
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| /linux/include/rdma/ |
| H A D | rdma_vt.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright(c) 2016 - 2019 Intel Corporation.
40 /* non-zero when timer is set */
82 /* Hot-path per CPU counters to avoid cacheline trading to update */
96 * the attach port API call.
117 * Things that are driver specific, module parameters in hfi1 and qib
123 * Anything driver specific that is not covered by props
217 * Driver specific work request setup and checking.
240 * Allocate a private queue pair data structure for driver specific
304 * Get the guid of a port in big endian byte order
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| /linux/arch/mips/include/asm/octeon/ |
| H A D | cvmx-helper-board.h | 7 * Copyright (c) 2003-2008 Cavium Networks
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
30 * Helper functions to abstract board specific data about
31 * network ports from the rest of the cvmx-helper files.
37 #include <asm/octeon/cvmx-helper.h>
55 * Fake IPD port, the RGMII/MII interface may use different PHY, use
58 #define CVMX_HELPER_BOARD_MGMT_IPD_PORT -10
62 * port. A result of -1 means there isn't a MII capable PHY
63 * connected to this port. On chips supporting multiple MII
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| /linux/drivers/net/dsa/ocelot/ |
| H A D | felix.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
20 /* Platform-specific information */
45 * workaround, the few packets that are delivered to the CPU port
47 * port module, but also to the 802.1Q Ethernet CPU port, and polling
57 int (*port_setup_tc)(struct dsa_switch *ds, int port,
59 void (*port_sched_speed_set)(struct ocelot *ocelot, int port,
61 void (*phylink_mac_config)(struct ocelot *ocelot, int port,
64 int (*configure_serdes)(struct ocelot *ocelot, int port,
69 /* Methods for initializing the hardware resources specific to a tagging
70 * protocol (like the NPI port, for "ocelot" or "seville", or the VCAP TCAMs,
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