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sys/xen/xenbus/xenbusb.c
| Show First 20 Lines • Show All 345 Lines • ▼ Show 20 Lines | xenbusb_device_sysctl_init(device_t dev) | ||||
| ctx = device_get_sysctl_ctx(dev); | ctx = device_get_sysctl_ctx(dev); | ||||
| tree = device_get_sysctl_tree(dev); | tree = device_get_sysctl_tree(dev); | ||||
| SYSCTL_ADD_PROC(ctx, | SYSCTL_ADD_PROC(ctx, | ||||
| SYSCTL_CHILDREN(tree), | SYSCTL_CHILDREN(tree), | ||||
| OID_AUTO, | OID_AUTO, | ||||
| "xenstore_path", | "xenstore_path", | ||||
| CTLTYPE_STRING | CTLFLAG_RD, | CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, | ||||
| dev, | dev, | ||||
| XENBUS_IVAR_NODE, | XENBUS_IVAR_NODE, | ||||
| xenbusb_device_sysctl_handler, | xenbusb_device_sysctl_handler, | ||||
| "A", | "A", | ||||
| "XenStore path to device"); | "XenStore path to device"); | ||||
| SYSCTL_ADD_PROC(ctx, | SYSCTL_ADD_PROC(ctx, | ||||
| SYSCTL_CHILDREN(tree), | SYSCTL_CHILDREN(tree), | ||||
| OID_AUTO, | OID_AUTO, | ||||
| "xenbus_dev_type", | "xenbus_dev_type", | ||||
| CTLTYPE_STRING | CTLFLAG_RD, | CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, | ||||
| dev, | dev, | ||||
| XENBUS_IVAR_TYPE, | XENBUS_IVAR_TYPE, | ||||
| xenbusb_device_sysctl_handler, | xenbusb_device_sysctl_handler, | ||||
| "A", | "A", | ||||
| "XenBus device type"); | "XenBus device type"); | ||||
| SYSCTL_ADD_PROC(ctx, | SYSCTL_ADD_PROC(ctx, | ||||
| SYSCTL_CHILDREN(tree), | SYSCTL_CHILDREN(tree), | ||||
| OID_AUTO, | OID_AUTO, | ||||
| "xenbus_connection_state", | "xenbus_connection_state", | ||||
| CTLTYPE_STRING | CTLFLAG_RD, | CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, | ||||
| dev, | dev, | ||||
| XENBUS_IVAR_STATE, | XENBUS_IVAR_STATE, | ||||
| xenbusb_device_sysctl_handler, | xenbusb_device_sysctl_handler, | ||||
| "A", | "A", | ||||
| "XenBus state of peer connection"); | "XenBus state of peer connection"); | ||||
| SYSCTL_ADD_PROC(ctx, | SYSCTL_ADD_PROC(ctx, | ||||
| SYSCTL_CHILDREN(tree), | SYSCTL_CHILDREN(tree), | ||||
| OID_AUTO, | OID_AUTO, | ||||
| "xenbus_peer_domid", | "xenbus_peer_domid", | ||||
| CTLTYPE_INT | CTLFLAG_RD, | CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, | ||||
| dev, | dev, | ||||
| XENBUS_IVAR_OTHEREND_ID, | XENBUS_IVAR_OTHEREND_ID, | ||||
| xenbusb_device_sysctl_handler, | xenbusb_device_sysctl_handler, | ||||
| "I", | "I", | ||||
| "Xen domain ID of peer"); | "Xen domain ID of peer"); | ||||
| SYSCTL_ADD_PROC(ctx, | SYSCTL_ADD_PROC(ctx, | ||||
| SYSCTL_CHILDREN(tree), | SYSCTL_CHILDREN(tree), | ||||
| OID_AUTO, | OID_AUTO, | ||||
| "xenstore_peer_path", | "xenstore_peer_path", | ||||
| CTLTYPE_STRING | CTLFLAG_RD, | CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, | ||||
royger: I think all the sysctls using xenbusb_device_sysctl_handler are MP safe, as they use… | |||||
| dev, | dev, | ||||
| XENBUS_IVAR_OTHEREND_PATH, | XENBUS_IVAR_OTHEREND_PATH, | ||||
| xenbusb_device_sysctl_handler, | xenbusb_device_sysctl_handler, | ||||
| "A", | "A", | ||||
| "XenStore path to peer device"); | "XenStore path to peer device"); | ||||
| } | } | ||||
| /** | /** | ||||
| ▲ Show 20 Lines • Show All 569 Lines • Show Last 20 Lines | |||||
I think all the sysctls using xenbusb_device_sysctl_handler are MP safe, as they use __BUS_ACCESSOR under the hood and don't write to any of the fields of the device? (again I might be missing something).