---

yaml
---
r: 206846
b: refs/heads/master
c: 850bb6f
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b9dc61cf404165fb77e80c853e9fec9af258f9ce
+refs/heads/master: 850bb6f23b93c04ce1e4509a87fa607dc17d97c1

trunk/drivers/firewire/core-cdev.c

@@ -194,6 +194,13 @@ struct iso_resource_event {
 	struct fw_cdev_event_iso_resource iso_resource;
 };
 
+struct outbound_phy_packet_event {
+	struct event event;
+	struct client *client;
+	struct fw_packet p;
+	struct fw_cdev_event_phy_packet phy_packet;
+};
+
 static inline void __user *u64_to_uptr(__u64 value)
 {
 	return (void __user *)(unsigned long)value;
@@ -396,6 +403,7 @@ union ioctl_arg {
 	struct fw_cdev_allocate_iso_resource	allocate_iso_resource;
 	struct fw_cdev_send_stream_packet	send_stream_packet;
 	struct fw_cdev_get_cycle_timer2		get_cycle_timer2;
+	struct fw_cdev_send_phy_packet		send_phy_packet;
 };
 
 static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
@@ -1384,6 +1392,61 @@ static int ioctl_send_stream_packet(struct client *client, union ioctl_arg *arg)
 	return init_request(client, &request, dest, a->speed);
 }
 
+static void outbound_phy_packet_callback(struct fw_packet *packet,
+					 struct fw_card *card, int status)
+{
+	struct outbound_phy_packet_event *e =
+		container_of(packet, struct outbound_phy_packet_event, p);
+
+	switch (status) {
+	/* expected: */
+	case ACK_COMPLETE:	e->phy_packet.rcode = RCODE_COMPLETE;	break;
+	/* should never happen with PHY packets: */
+	case ACK_PENDING:	e->phy_packet.rcode = RCODE_COMPLETE;	break;
+	case ACK_BUSY_X:
+	case ACK_BUSY_A:
+	case ACK_BUSY_B:	e->phy_packet.rcode = RCODE_BUSY;	break;
+	case ACK_DATA_ERROR:	e->phy_packet.rcode = RCODE_DATA_ERROR;	break;
+	case ACK_TYPE_ERROR:	e->phy_packet.rcode = RCODE_TYPE_ERROR;	break;
+	/* stale generation; cancelled; on certain controllers: no ack */
+	default:		e->phy_packet.rcode = status;		break;
+	}
+
+	queue_event(e->client, &e->event,
+		    &e->phy_packet, sizeof(e->phy_packet), NULL, 0);
+	client_put(e->client);
+}
+
+static int ioctl_send_phy_packet(struct client *client, union ioctl_arg *arg)
+{
+	struct fw_cdev_send_phy_packet *a = &arg->send_phy_packet;
+	struct fw_card *card = client->device->card;
+	struct outbound_phy_packet_event *e;
+
+	/* Access policy: Allow this ioctl only on local nodes' device files. */
+	if (!client->device->is_local)
+		return -ENOSYS;
+
+	e = kzalloc(sizeof(*e), GFP_KERNEL);
+	if (e == NULL)
+		return -ENOMEM;
+
+	client_get(client);
+	e->client		= client;
+	e->p.speed		= SCODE_100;
+	e->p.generation		= a->generation;
+	e->p.header[0]		= a->data[0];
+	e->p.header[1]		= a->data[1];
+	e->p.header_length	= 8;
+	e->p.callback		= outbound_phy_packet_callback;
+	e->phy_packet.closure	= a->closure;
+	e->phy_packet.type	= FW_CDEV_EVENT_PHY_PACKET_SENT;
+
+	card->driver->send_request(card, &e->p);
+
+	return 0;
+}
+
 static int (* const ioctl_handlers[])(struct client *, union ioctl_arg *) = {
 	[0x00] = ioctl_get_info,
 	[0x01] = ioctl_send_request,
@@ -1406,6 +1469,7 @@ static int (* const ioctl_handlers[])(struct client *, union ioctl_arg *) = {
 	[0x12] = ioctl_send_broadcast_request,
 	[0x13] = ioctl_send_stream_packet,
 	[0x14] = ioctl_get_cycle_timer2,
+	[0x15] = ioctl_send_phy_packet,
 };
 
 static int dispatch_ioctl(struct client *client,

trunk/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
@@ -283,6 +284,19 @@ struct fw_cdev_event_iso_resource {
 	__s32 bandwidth;
 };
 
+/**
+ * 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
@@ -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 */