aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/firewire-cdev.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/firewire-cdev.h')
-rw-r--r--include/linux/firewire-cdev.h44
1 files changed, 43 insertions, 1 deletions
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index fde9568..5bc051b 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -34,6 +34,7 @@
/* available since kernel version 2.6.36 */
#define FW_CDEV_EVENT_REQUEST2 0x06
+#define FW_CDEV_EVENT_PHY_PACKET_SENT 0x07
/**
* struct fw_cdev_event_common - Common part of all fw_cdev_event_ types
@@ -284,6 +285,19 @@ 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
+ * @rcode: %RCODE_..., indicates success or failure of transmission
+ */
+struct fw_cdev_event_phy_packet {
+ __u64 closure;
+ __u32 type;
+ __u32 rcode;
+};
+
+/**
* union fw_cdev_event - Convenience union of fw_cdev_event_ types
* @common: Valid for all types
* @bus_reset: Valid if @common.type == %FW_CDEV_EVENT_BUS_RESET
@@ -294,6 +308,7 @@ struct fw_cdev_event_iso_resource {
* @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
*
* Convenience union for userspace use. Events could be read(2) into an
* appropriately aligned char buffer and then cast to this union for further
@@ -311,6 +326,7 @@ union fw_cdev_event {
struct fw_cdev_event_request2 request2; /* added in 2.6.36 */
struct fw_cdev_event_iso_interrupt iso_interrupt;
struct fw_cdev_event_iso_resource iso_resource; /* added in 2.6.30 */
+ struct fw_cdev_event_phy_packet phy_packet; /* added in 2.6.36 */
};
/* available since kernel version 2.6.22 */
@@ -342,6 +358,9 @@ union fw_cdev_event {
/* available since kernel version 2.6.34 */
#define FW_CDEV_IOC_GET_CYCLE_TIMER2 _IOWR('#', 0x14, struct fw_cdev_get_cycle_timer2)
+/* available since kernel version 2.6.36 */
+#define FW_CDEV_IOC_SEND_PHY_PACKET _IOWR('#', 0x15, struct fw_cdev_send_phy_packet)
+
/*
* ABI version history
* 1 (2.6.22) - initial version
@@ -357,8 +376,9 @@ 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
+ * 4 (2.6.36) - added %FW_CDEV_EVENT_REQUEST2, %FW_CDEV_EVENT_PHY_PACKET_SENT
* - implemented &fw_cdev_event_bus_reset.bm_node_id
+ * - added %FW_CDEV_IOC_SEND_PHY_PACKET
*/
#define FW_CDEV_VERSION 3 /* Meaningless; don't use this macro. */
@@ -808,4 +828,26 @@ struct fw_cdev_send_stream_packet {
__u32 speed;
};
+/**
+ * struct fw_cdev_send_phy_packet - send a PHY packet
+ * @closure: Passed back to userspace in the PHY-packet-sent event
+ * @data: First and second quadlet of the PHY packet
+ * @generation: The bus generation where packet is valid
+ *
+ * The %FW_CDEV_IOC_SEND_PHY_PACKET ioctl sends a PHY packet to all nodes
+ * on the same card as this device. After transmission, an
+ * %FW_CDEV_EVENT_PHY_PACKET_SENT event is generated.
+ *
+ * The payload @data[] shall be specified in host byte order. Usually,
+ * @data[1] needs to be the bitwise inverse of @data[0]. VersaPHY packets
+ * are an exception to this rule.
+ *
+ * The ioctl is only permitted on device files which represent a local node.
+ */
+struct fw_cdev_send_phy_packet {
+ __u64 closure;
+ __u32 data[2];
+ __u32 generation;
+};
+
#endif /* _LINUX_FIREWIRE_CDEV_H */