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List:       linux1394-devel
Subject:    [PATCH 1/4 libraw1394] Add raw1394_add_config_rom_descriptor() and raw1394_remove_config_rom_descrip
From:       Stefan Richter <stefanr () s5r6 ! in-berlin ! de>
Date:       2012-06-18 0:28:57
Message-ID: 20120618022857.4945f089 () stein
[Download RAW message or body]

From: "B.J. Buchalter" <bj@mhlabs.com>
Date: Thu, 24 Mar 2011 03:14:27 -0400

This adds support of the firewire-core (juju) ABI to add and remove config ROM directories
or descriptors.  The raw1394 ABI supports similar requests, but for now we leave the two
functions unimplemented when running on top of raw1394.

Signed-off-by: Benjamin Buchalter <bj@mhlabs.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (whitespace changes)
---
 src/dispatch.c |   34 ++++++++++++++++++++++++++++++++++
 src/fw.c       |   35 +++++++++++++++++++++++++++++++++++
 src/fw.h       |    7 +++++++
 src/raw1394.h  |    9 +++++++++
 4 files changed, 85 insertions(+)

diff --git a/src/dispatch.c b/src/dispatch.c
index 72a45a4..1cc8e6a 100644
--- a/src/dispatch.c
+++ b/src/dispatch.c
@@ -519,6 +519,40 @@ int raw1394_update_config_rom(raw1394handle_t handle, const quadlet_t
 			new_rom, size, rom_version);
 }
 
+int raw1394_add_config_rom_descriptor(raw1394handle_t handle,
+		const quadlet_t	immediate_key,
+		const quadlet_t	key,
+		const quadlet_t *new_rom_directory,
+		size_t size,
+		__u32 *out_token)
+{
+	if (!handle) {
+		errno = EINVAL;
+		return -1;
+	}
+	if (handle->is_fw)
+		return fw_add_config_rom_descriptor(handle->mode.fw,
+			immediate_key, key, new_rom_directory, size, out_token);
+	else {
+		errno = EINVAL;
+		return -1;
+	}
+}
+
+int raw1394_remove_config_rom_descriptor(raw1394handle_t handle, __u32 token)
+{
+	if (!handle) {
+		errno = EINVAL;
+		return -1;
+	}
+	if (handle->is_fw)
+		return fw_remove_config_rom_descriptor(handle->mode.fw, token);
+	else {
+		errno = EINVAL;
+		return -1;
+	}
+}
+
 int raw1394_get_config_rom(raw1394handle_t handle, quadlet_t *buffer,
         size_t buffersize, size_t *rom_size, unsigned char *rom_version)
 {
diff --git a/src/fw.c b/src/fw.c
index 6fae12d..da275c5 100644
--- a/src/fw.c
+++ b/src/fw.c
@@ -1543,6 +1543,41 @@ fw_update_config_rom(fw_handle_t handle, const quadlet_t *new_rom,
 }
 
 int
+fw_add_config_rom_descriptor(fw_handle_t handle,
+	const quadlet_t	immediate_key,
+	const quadlet_t	key,
+	const quadlet_t *new_rom_directory,
+	size_t size,
+	__u32 *out_token)
+{
+	struct fw_cdev_add_descriptor request;
+	int retval;
+
+	request.immediate	= immediate_key;
+	request.key		= key;
+	request.data		= ptr_to_u64(new_rom_directory);
+	request.length		= size;
+	request.handle		= 0;
+
+	retval = ioctl(handle->local_device->fd, FW_CDEV_IOC_ADD_DESCRIPTOR,
+		       &request);
+	if (retval < 0)
+		return -1;
+
+	*out_token = request.handle;
+	return 0;
+}
+
+int
+fw_remove_config_rom_descriptor(fw_handle_t handle, __u32 token)
+{
+	struct fw_cdev_remove_descriptor request = {token};
+
+	return ioctl(handle->local_device->fd, FW_CDEV_IOC_REMOVE_DESCRIPTOR,
+		     &request);
+}
+
+int
 fw_get_config_rom(fw_handle_t handle, quadlet_t *buffer,
 		       size_t buffersize, size_t *rom_size,
 		       unsigned char *rom_version)
diff --git a/src/fw.h b/src/fw.h
index c8481c2..e64b2f3 100644
--- a/src/fw.h
+++ b/src/fw.h
@@ -202,6 +202,13 @@ int fw_start_fcp_listen(fw_handle_t handle);
 int fw_stop_fcp_listen(fw_handle_t handle);
 int fw_update_config_rom(fw_handle_t handle, const quadlet_t *new_rom,
 		   size_t size, unsigned char rom_version);
+int fw_add_config_rom_descriptor(fw_handle_t handle,
+	const quadlet_t	immediate_key,
+	const quadlet_t	key,
+	const quadlet_t *new_rom_directory,
+	size_t size,
+	__u32 *out_token);
+int fw_remove_config_rom_descriptor(fw_handle_t handle, __u32 token);
 int fw_get_config_rom(fw_handle_t handle, quadlet_t *buffer,
 		   size_t buffersize, size_t *rom_size,
 		   unsigned char *rom_version);
diff --git a/src/raw1394.h b/src/raw1394.h
index 762276f..7239de3 100644
--- a/src/raw1394.h
+++ b/src/raw1394.h
@@ -1165,6 +1165,15 @@ const char *raw1394_get_libversion(void);
 int raw1394_update_config_rom(raw1394handle_t handle, const quadlet_t
         *new_rom, size_t size, unsigned char rom_version);
 
+int raw1394_add_config_rom_descriptor(raw1394handle_t handle,
+	const quadlet_t	immediate_key,
+	const quadlet_t	key,
+	const quadlet_t *new_rom_directory,
+	size_t size,
+	u_int32_t *out_token);
+
+int raw1394_remove_config_rom_descriptor(raw1394handle_t handle,
+	u_int32_t token);
 
 /**
  * raw1394_get_config_rom - reads the current version of the configuration ROM of a host
-- 
1.7.10.2



-- 
Stefan Richter
-=====-===-- -==- =--=-
http://arcgraph.de/sr/

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