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Diffstat (limited to 'include/linux/firewire-cdev.h')
-rw-r--r--include/linux/firewire-cdev.h39
1 files changed, 32 insertions, 7 deletions
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 5bc051b9a013..b87409160794 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -35,6 +35,7 @@
/* available since kernel version 2.6.36 */
#define FW_CDEV_EVENT_REQUEST2 0x06
#define FW_CDEV_EVENT_PHY_PACKET_SENT 0x07
+#define FW_CDEV_EVENT_PHY_PACKET_RECEIVED 0x08
/**
* struct fw_cdev_event_common - Common part of all fw_cdev_event_ types
@@ -285,16 +286,24 @@ struct fw_cdev_event_iso_resource {
};
/**
- * struct fw_cdev_event_phy_packet - A PHY packet was transmitted
- * @closure: See &fw_cdev_event_common;
- * set by %FW_CDEV_IOC_SEND_PHY_PACKET ioctl
- * @type: %FW_CDEV_EVENT_PHY_PACKET_SENT
+ * struct fw_cdev_event_phy_packet - A PHY packet was transmitted or received
+ * @closure: See &fw_cdev_event_common; set by %FW_CDEV_IOC_SEND_PHY_PACKET
+ * or %FW_CDEV_IOC_RECEIVE_PHY_PACKETS ioctl
+ * @type: %FW_CDEV_EVENT_PHY_PACKET_SENT or %..._RECEIVED
* @rcode: %RCODE_..., indicates success or failure of transmission
+ * @length: Data length in bytes
+ * @data: Incoming data
+ *
+ * If @type is %FW_CDEV_EVENT_PHY_PACKET_SENT, @length is 0 and @data empty.
+ * If @type is %FW_CDEV_EVENT_PHY_PACKET_RECEIVED, @length is 8 and @data
+ * consists of the two PHY packet quadlets, in host byte order.
*/
struct fw_cdev_event_phy_packet {
__u64 closure;
__u32 type;
__u32 rcode;
+ __u32 length;
+ __u32 data[0];
};
/**
@@ -308,7 +317,9 @@ struct fw_cdev_event_phy_packet {
* @iso_resource: Valid if @common.type ==
* %FW_CDEV_EVENT_ISO_RESOURCE_ALLOCATED or
* %FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED
- * @phy_packet: Valid if @common.type == %FW_CDEV_EVENT_PHY_PACKET_SENT
+ * @phy_packet: Valid if @common.type ==
+ * %FW_CDEV_EVENT_PHY_PACKET_SENT or
+ * %FW_CDEV_EVENT_PHY_PACKET_RECEIVED
*
* Convenience union for userspace use. Events could be read(2) into an
* appropriately aligned char buffer and then cast to this union for further
@@ -360,6 +371,7 @@ union fw_cdev_event {
/* available since kernel version 2.6.36 */
#define FW_CDEV_IOC_SEND_PHY_PACKET _IOWR('#', 0x15, struct fw_cdev_send_phy_packet)
+#define FW_CDEV_IOC_RECEIVE_PHY_PACKETS _IOW('#', 0x16, struct fw_cdev_receive_phy_packets)
/*
* ABI version history
@@ -376,9 +388,9 @@ union fw_cdev_event {
* - shared use and auto-response for FCP registers
* 3 (2.6.34) - made &fw_cdev_get_cycle_timer reliable
* - added %FW_CDEV_IOC_GET_CYCLE_TIMER2
- * 4 (2.6.36) - added %FW_CDEV_EVENT_REQUEST2, %FW_CDEV_EVENT_PHY_PACKET_SENT
+ * 4 (2.6.36) - added %FW_CDEV_EVENT_REQUEST2, %FW_CDEV_EVENT_PHY_PACKET_*
* - implemented &fw_cdev_event_bus_reset.bm_node_id
- * - added %FW_CDEV_IOC_SEND_PHY_PACKET
+ * - added %FW_CDEV_IOC_SEND_PHY_PACKET, _RECEIVE_PHY_PACKETS
*/
#define FW_CDEV_VERSION 3 /* Meaningless; don't use this macro. */
@@ -850,4 +862,17 @@ struct fw_cdev_send_phy_packet {
__u32 generation;
};
+/**
+ * struct fw_cdev_receive_phy_packets - start reception of PHY packets
+ * @closure: Passed back to userspace in phy packet events
+ *
+ * This ioctl activates issuing of %FW_CDEV_EVENT_PHY_PACKET_RECEIVED due to
+ * incoming PHY packets from any node on the same bus as the device.
+ *
+ * The ioctl is only permitted on device files which represent a local node.
+ */
+struct fw_cdev_receive_phy_packets {
+ __u64 closure;
+};
+
#endif /* _LINUX_FIREWIRE_CDEV_H */