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/Linux-v5.15/drivers/usb/cdns3/
Dcore.c28 static int cdns_role_start(struct cdns *cdns, enum usb_role role) in cdns_role_start() argument
32 if (WARN_ON(role > USB_ROLE_DEVICE)) in cdns_role_start()
36 cdns->role = role; in cdns_role_start()
39 if (!cdns->roles[role]) in cdns_role_start()
42 if (cdns->roles[role]->state == CDNS_ROLE_STATE_ACTIVE) in cdns_role_start()
46 ret = cdns->roles[role]->start(cdns); in cdns_role_start()
48 cdns->roles[role]->state = CDNS_ROLE_STATE_ACTIVE; in cdns_role_start()
56 enum usb_role role = cdns->role; in cdns_role_stop() local
58 if (WARN_ON(role > USB_ROLE_DEVICE)) in cdns_role_stop()
61 if (cdns->roles[role]->state == CDNS_ROLE_STATE_INACTIVE) in cdns_role_stop()
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Dcore.h12 #include <linux/usb/role.h>
20 * struct cdns_role_driver - host/gadget role driver
21 * @start: start this role
22 * @stop: stop this role
23 * @suspend: suspend callback for this role
24 * @resume: resume callback for this role
25 * @irq: irq handler for this role
26 * @name: role name string (host/gadget)
65 * @role: current role
75 * @role_sw: pointer to role switch object.
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DKconfig8 dual-role controller.
9 It supports: dual-role switch, Host-only, and Peripheral-only.
17 tristate "Cadence USB3 Dual-Role Controller"
20 Say Y here if your system has a Cadence USB3 dual-role controller.
21 It supports: dual-role switch, Host-only, and Peripheral-only.
86 tristate "Cadence CDNSP Dual-Role Controller"
89 Say Y here if your system has a Cadence CDNSP dual-role controller.
90 It supports: dual-role switch Host-only, and Peripheral-only.
/Linux-v5.15/drivers/usb/roles/
Dclass.c3 * USB Role Switch Support
10 #include <linux/usb/role.h>
22 enum usb_role role; member
36 * usb_role_switch_set_role - Set USB role for a switch
37 * @sw: USB role switch
38 * @role: USB role to be switched to
40 * Set USB role @role for @sw.
42 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role) in usb_role_switch_set_role() argument
51 ret = sw->set(sw, role); in usb_role_switch_set_role()
53 sw->role = role; in usb_role_switch_set_role()
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DKconfig4 tristate "USB Role Switch Support"
6 USB Role Switch is a device that can select the USB role - host or
7 device - for a USB port (connector). In most cases dual-role capable
19 tristate "Intel XHCI USB Role Switch"
22 Driver for the internal USB role switch for switching the USB data
27 be called intel-xhci-usb-role-switch.
Dintel-xhci-usb-role-switch.c3 * Intel XHCI (Cherry Trail, Broxton and others) USB OTG role switch driver
23 #include <linux/usb/role.h>
56 enum usb_role role) in intel_xhci_usb_set_role() argument
80 * SW_SWITCH_EN bits to be zero for role switch, in intel_xhci_usb_set_role()
84 switch (role) { in intel_xhci_usb_set_role()
116 if (!!(val & HOST_MODE) == (role == USB_ROLE_HOST)) { in intel_xhci_usb_set_role()
127 dev_warn(data->dev, "Timeout waiting for role-switch\n"); in intel_xhci_usb_set_role()
134 enum usb_role role; in intel_xhci_usb_get_role() local
142 role = USB_ROLE_HOST; in intel_xhci_usb_get_role()
144 role = USB_ROLE_DEVICE; in intel_xhci_usb_get_role()
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/Linux-v5.15/drivers/usb/typec/
Dqcom-pmic-typec.c15 #include <linux/usb/role.h>
69 enum usb_role role; in qcom_pmic_typec_check_connection() local
82 role = (stat & SNK_SRC_MODE) ? USB_ROLE_HOST : USB_ROLE_DEVICE; in qcom_pmic_typec_check_connection()
83 if (role == USB_ROLE_HOST) in qcom_pmic_typec_check_connection()
88 role = USB_ROLE_NONE; in qcom_pmic_typec_check_connection()
93 usb_role_switch_set_role(qcom_usb->role_sw, role); in qcom_pmic_typec_check_connection()
136 int ret, irq, role; in qcom_pmic_typec_probe() local
166 ret = fwnode_property_read_string(fwnode, "power-role", &buf); in qcom_pmic_typec_probe()
168 role = typec_find_port_power_role(buf); in qcom_pmic_typec_probe()
169 if (role < 0) in qcom_pmic_typec_probe()
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/Linux-v5.15/drivers/staging/r8188eu/include/
Drtw_p2p.h45 void init_wifidirect_info(struct adapter *padapter, enum P2P_ROLE role);
46 int rtw_p2p_enable(struct adapter *padapter, enum P2P_ROLE role);
63 enum P2P_ROLE role) in _rtw_p2p_set_role() argument
65 if (wdinfo->role != role) in _rtw_p2p_set_role()
66 wdinfo->role = role; in _rtw_p2p_set_role()
81 return wdinfo->role; in _rtw_p2p_role()
91 enum P2P_ROLE role) in _rtw_p2p_chk_role() argument
93 return wdinfo->role == role; in _rtw_p2p_chk_role()
99 #define rtw_p2p_set_role(wdinfo, role) _rtw_p2p_set_role(wdinfo, role) argument
105 #define rtw_p2p_chk_role(wdinfo, role) _rtw_p2p_chk_role(wdinfo, role) argument
/Linux-v5.15/drivers/usb/chipidea/
Dci.h19 #include <linux/usb/role.h>
126 * struct ci_role_driver - host/gadget role driver
127 * @start: start this role
128 * @stop: stop this role
129 * @irq: irq handler for this role
130 * @name: role name string (host/gadget)
166 * @role: current role
173 * @work: work for role changing
213 enum ci_role role; member
262 BUG_ON(ci->role >= CI_ROLE_END || !ci->roles[ci->role]); in ci_role()
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Dotg.c119 * ci_otg_role - pick role based on ID pin state
124 enum ci_role role = hw_read_otgsc(ci, OTGSC_ID) in ci_otg_role() local
128 return role; in ci_otg_role()
170 enum ci_role role = ci_otg_role(ci); in ci_handle_id_switch() local
172 if (role != ci->role) { in ci_handle_id_switch()
174 ci_role(ci)->name, ci->roles[role]->name); in ci_handle_id_switch()
176 if (ci->vbus_active && ci->role == CI_ROLE_GADGET) in ci_handle_id_switch()
178 * vbus disconnect event is lost due to role in ci_handle_id_switch()
185 if (role == CI_ROLE_GADGET && in ci_handle_id_switch()
196 ci_role_start(ci, role); in ci_handle_id_switch()
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/Linux-v5.15/Documentation/devicetree/bindings/usb/
Dmediatek,mtu3.yaml96 Regulator of USB VBUS5v, needed when supports dual-role mode.
121 when supports dual-role mode.
123 new bindings, and use "usb-role-switch" property instead.
125 usb-role-switch:
127 description: Support role switch.
130 role-switch-default-mode:
137 Connector for dual role switch, especially for "gpio-usb-b-connector"
143 using the OF graph bindings specified, if the "usb-role-switch"
150 supports manual dual-role switch via debugfs; usually used when
151 receptacle is TYPE-A and also wants to support dual-role mode.
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/Linux-v5.15/include/linux/usb/
Drole.h17 enum usb_role role);
21 * struct usb_role_switch_desc - USB Role Switch Descriptor
22 * @fwnode: The device node to be associated with the role switch
26 * @set: Callback for setting the role
27 * @get: Callback for getting the role (optional)
28 * @allow_userspace_control: If true userspace may change the role through sysfs
33 * device controller behind the USB connector with the role switch. If
52 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
68 const char *usb_role_string(enum usb_role role);
71 enum usb_role role) in usb_role_switch_set_role() argument
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Dtypec.h211 * @try_role: Set data role preference for DRP port
212 * @dr_set: Set Data Role
213 * @pr_set: Set Power Role
218 int (*try_role)(struct typec_port *port, int role);
219 int (*dr_set)(struct typec_port *port, enum typec_data_role role);
220 int (*pr_set)(struct typec_port *port, enum typec_role role);
221 int (*vconn_set)(struct typec_port *port, enum typec_role role);
234 * @type: Supported power role of the port
235 * @data: Supported data role of the port
239 * @prefer_role: Initial role preference (DRP ports).
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/Linux-v5.15/drivers/usb/dwc2/
Ddrd.c3 * drd.c - DesignWare USB2 DRD Controller Dual-role support
12 #include <linux/usb/role.h>
69 static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role) in dwc2_drd_role_sw_set() argument
76 if ((role == USB_ROLE_DEVICE && hsotg->dr_mode == USB_DR_MODE_HOST) || in dwc2_drd_role_sw_set()
77 (role == USB_ROLE_HOST && hsotg->dr_mode == USB_DR_MODE_PERIPHERAL)) in dwc2_drd_role_sw_set()
83 if (role == USB_ROLE_NONE && hsotg->test_mode) { in dwc2_drd_role_sw_set()
91 if (role == USB_ROLE_HOST) { in dwc2_drd_role_sw_set()
93 } else if (role == USB_ROLE_DEVICE) { in dwc2_drd_role_sw_set()
111 dwc2_force_mode(hsotg, role == USB_ROLE_HOST); in dwc2_drd_role_sw_set()
114 role == USB_ROLE_NONE ? "No" : in dwc2_drd_role_sw_set()
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/Linux-v5.15/drivers/extcon/
Dextcon-usbc-cros-ec.c28 unsigned int dr; /* data role */
29 bool pr; /* power role (true if VBUS enabled) */
136 * cros_ec_usb_get_role() - Get role info about possible PD device attached to a
141 * Return: role info on success, -ENOTCONN if no cable is connected, <0 on
152 pd_control.role = USB_PD_CTRL_ROLE_NO_CHANGE; in cros_ec_usb_get_role()
166 return resp.role; in cros_ec_usb_get_role()
188 static const char *cros_ec_usb_role_string(unsigned int role) in cros_ec_usb_role_string() argument
190 return role == DR_NONE ? "DISCONNECTED" : in cros_ec_usb_role_string()
191 (role == DR_HOST ? "DFP" : "UFP"); in cros_ec_usb_role_string()
223 unsigned int role) in cros_ec_usb_power_type_is_wall_wart() argument
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Dextcon-axp288.c22 #include <linux/usb/role.h>
152 * The below code to control the USB role-switch on devices with an AXP288
154 * to control the USB role-switch on such devices:
155 * 1) On many devices the USB role is controlled by AML code, but the AML code
160 * 2) In order for our BC1.2 charger detection to work properly the role
167 enum usb_role role; in axp288_get_id_pin() local
173 role = usb_role_switch_get_role(info->role_sw); in axp288_get_id_pin()
174 return role != USB_ROLE_HOST; in axp288_get_id_pin()
181 enum usb_role role; in axp288_usb_role_work() local
187 role = USB_ROLE_HOST; in axp288_usb_role_work()
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/Linux-v5.15/drivers/net/ethernet/intel/ice/
Dice_lag.c29 if (lag->role != ICE_LAG_UNSET && lag->role != ICE_LAG_BACKUP) { in ice_lag_set_primary()
35 lag->role = ICE_LAG_PRIMARY; in ice_lag_set_primary()
49 if (lag->role != ICE_LAG_UNSET && lag->role != ICE_LAG_PRIMARY) { in ice_lag_set_backup()
55 lag->role = ICE_LAG_BACKUP; in ice_lag_set_backup()
64 const char *name, *peer, *upper, *role, *bonded, *master; in ice_display_lag_info() local
73 switch (lag->role) { in ice_display_lag_info()
75 role = "NONE"; in ice_display_lag_info()
78 role = "PRIMARY"; in ice_display_lag_info()
81 role = "BACKUP"; in ice_display_lag_info()
84 role = "UNSET"; in ice_display_lag_info()
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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-class-usb_role5 Place in sysfs for USB Role Switches. USB Role Switch is a
6 device that can select the data role (host or device) for USB
9 What: /sys/class/usb_role/<switch>/role
13 The current role of the switch. This attribute can be used for
14 requesting role swapping with non-USB Type-C ports. With USB
/Linux-v5.15/net/bridge/
Dbr_mrp.c270 * - when node role is MRM, in this case test_monitor is always set to false
273 * - when node role is MRA, there are 2 subcases:
274 * - when MRA behaves as MRM, in this case is similar with MRM role
297 * role MRA and behaves as MRC. The reason is that the in br_mrp_test_work_expired()
300 * the role of a MRM. in br_mrp_test_work_expired()
348 /* This function is continuously called when the node has the interconnect role
437 /* Stop sending MRP_InTest frames if has an interconnect role */ in br_mrp_del_impl()
614 /* Set port role, port role can be primary or secondary
618 enum br_mrp_port_role_type role) in br_mrp_set_port_role() argument
630 switch (role) { in br_mrp_set_port_role()
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Dbr_mrp_netlink.c109 enum br_mrp_port_role_type role; in br_mrp_port_role_parse() local
118 NL_SET_ERR_MSG_MOD(extack, "Missing attribute: ROLE"); in br_mrp_port_role_parse()
122 role = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]); in br_mrp_port_role_parse()
124 return br_mrp_set_port_role(p, role); in br_mrp_port_role_parse()
172 struct br_mrp_ring_role role; in br_mrp_ring_role_parse() local
183 "Missing attribute: RING_ID or ROLE"); in br_mrp_ring_role_parse()
187 memset(&role, 0x0, sizeof(role)); in br_mrp_ring_role_parse()
189 role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID]); in br_mrp_ring_role_parse()
190 role.ring_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]); in br_mrp_ring_role_parse()
192 return br_mrp_set_ring_role(br, &role); in br_mrp_ring_role_parse()
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Dbr_mrp_switchdev.c66 enum br_mrp_ring_role_type role) in br_mrp_switchdev_set_ring_role() argument
71 .ring_role = role, in br_mrp_switchdev_set_ring_role()
82 role != BR_MRP_RING_ROLE_DISABLED); in br_mrp_switchdev_set_ring_role()
90 if (role != BR_MRP_RING_ROLE_DISABLED) in br_mrp_switchdev_set_ring_role()
142 enum br_mrp_in_role_type role) in br_mrp_switchdev_set_in_role() argument
147 .in_role = role, in br_mrp_switchdev_set_in_role()
160 role != BR_MRP_IN_ROLE_DISABLED); in br_mrp_switchdev_set_in_role()
168 if (role != BR_MRP_IN_ROLE_DISABLED) in br_mrp_switchdev_set_in_role()
229 enum br_mrp_port_role_type role) in br_mrp_port_switchdev_set_role() argument
234 .u.mrp_port_role = role, in br_mrp_port_switchdev_set_role()
/Linux-v5.15/security/selinux/ss/
Dpolicydb.h59 /* Options how a new object user, role, and type should be decided */
76 /* Role attributes */
78 u32 value; /* internal role value */
79 u32 bounds; /* boundary of role */
80 struct ebitmap dominates; /* set of roles dominated by this role */
81 struct ebitmap types; /* set of authorized types for role */
85 u32 role; /* current role */ member
91 u32 new_role; /* new role */
107 u32 role; /* current role */ member
108 u32 new_role; /* new role */
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/Linux-v5.15/drivers/usb/common/
Dusb-conn-gpio.c22 #include <linux/usb/role.h>
53 * Role | ID | VBUS
67 enum usb_role role; in usb_conn_detect_cable() local
80 role = USB_ROLE_HOST; in usb_conn_detect_cable()
82 role = USB_ROLE_DEVICE; in usb_conn_detect_cable()
84 role = USB_ROLE_NONE; in usb_conn_detect_cable()
86 dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n", in usb_conn_detect_cable()
87 usb_role_string(info->last_role), usb_role_string(role), id, vbus); in usb_conn_detect_cable()
89 if (info->last_role == role) { in usb_conn_detect_cable()
90 dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role)); in usb_conn_detect_cable()
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/Linux-v5.15/Documentation/devicetree/bindings/connector/
Dusb-connector.yaml62 mode or dual role mode is supported.
67 power-role:
68 description: Determines the power role that the Type C connector will
69 support. "dual" refers to Dual Role Port (DRP).
77 try-power-role:
78 description: Preferred power role.
86 data-role:
87 description: Data role if Type C connector supports USB data. "dual" refers
88 Dual Role Device (DRD).
125 the PD spec chapter 6.4.1. Required for power source and power dual role.
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/Linux-v5.15/arch/x86/kvm/mmu/
Dmmutrace.h14 __field(__u32, role) \
21 __entry->role = sp->role.word; \
30 union kvm_mmu_page_role role; \
32 role.word = __entry->role; \
37 __entry->gfn, role.level, \
38 role.gpte_is_8_bytes ? 8 : 4, \
39 role.quadrant, \
40 role.direct ? " direct" : "", \
41 access_str[role.access], \
42 role.invalid ? " invalid" : "", \
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