From 9640d3d775aa325650c8fcdf49127542f77b2156 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Mon, 30 Apr 2007 15:03:15 -0400 Subject: firewire: Rename fw-device-cdev.c to fw-cdev.c and move header to include/linux. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Kristian Høgsberg Signed-off-by: Stefan Richter --- include/linux/firewire-cdev.h | 268 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 268 insertions(+) create mode 100644 include/linux/firewire-cdev.h (limited to 'include') diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h new file mode 100644 index 00000000000..026c768e3bf --- /dev/null +++ b/include/linux/firewire-cdev.h @@ -0,0 +1,268 @@ +/* -*- c-basic-offset: 8 -*- + * + * fw-device-cdev.h -- Char device interface. + * + * Copyright (C) 2005-2006 Kristian Hoegsberg + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __fw_cdev_h +#define __fw_cdev_h + +#include +#include + +#define TCODE_WRITE_QUADLET_REQUEST 0 +#define TCODE_WRITE_BLOCK_REQUEST 1 +#define TCODE_WRITE_RESPONSE 2 +#define TCODE_READ_QUADLET_REQUEST 4 +#define TCODE_READ_BLOCK_REQUEST 5 +#define TCODE_READ_QUADLET_RESPONSE 6 +#define TCODE_READ_BLOCK_RESPONSE 7 +#define TCODE_CYCLE_START 8 +#define TCODE_LOCK_REQUEST 9 +#define TCODE_STREAM_DATA 10 +#define TCODE_LOCK_RESPONSE 11 + +#define TCODE_LOCK_MASK_SWAP 0x11 +#define TCODE_LOCK_COMPARE_SWAP 0x12 +#define TCODE_LOCK_FETCH_ADD 0x13 +#define TCODE_LOCK_LITTLE_ADD 0x14 +#define TCODE_LOCK_BOUNDED_ADD 0x15 +#define TCODE_LOCK_WRAP_ADD 0x16 +#define TCODE_LOCK_VENDOR_DEPENDENT 0x17 + +#define RCODE_COMPLETE 0x0 +#define RCODE_CONFLICT_ERROR 0x4 +#define RCODE_DATA_ERROR 0x5 +#define RCODE_TYPE_ERROR 0x6 +#define RCODE_ADDRESS_ERROR 0x7 + +#define RCODE_SEND_ERROR 0x10 +#define RCODE_CANCELLED 0x11 +#define RCODE_BUSY 0x12 +#define RCODE_GENERATION 0x13 +#define RCODE_NO_ACK 0x14 + +#define SCODE_100 0x0 +#define SCODE_200 0x1 +#define SCODE_400 0x2 +#define SCODE_800 0x3 +#define SCODE_1600 0x4 +#define SCODE_3200 0x5 + +#define FW_CDEV_EVENT_BUS_RESET 0x00 +#define FW_CDEV_EVENT_RESPONSE 0x01 +#define FW_CDEV_EVENT_REQUEST 0x02 +#define FW_CDEV_EVENT_ISO_INTERRUPT 0x03 + +/* The 'closure' fields are for user space to use. Data passed in the + * 'closure' field for a request will be returned in the corresponding + * event. It's a 64-bit type so that it's a fixed size type big + * enough to hold a pointer on all platforms. */ + +struct fw_cdev_event_common { + __u64 closure; + __u32 type; +}; + +struct fw_cdev_event_bus_reset { + __u64 closure; + __u32 type; + __u32 node_id; + __u32 local_node_id; + __u32 bm_node_id; + __u32 irm_node_id; + __u32 root_node_id; + __u32 generation; +}; + +struct fw_cdev_event_response { + __u64 closure; + __u32 type; + __u32 rcode; + __u32 length; + __u32 data[0]; +}; + +struct fw_cdev_event_request { + __u64 closure; + __u32 type; + __u32 tcode; + __u64 offset; + __u32 handle; + __u32 length; + __u32 data[0]; +}; + +struct fw_cdev_event_iso_interrupt { + __u64 closure; + __u32 type; + __u32 cycle; + __u32 header_length; /* Length in bytes of following headers. */ + __u32 header[0]; +}; + +union fw_cdev_event { + struct fw_cdev_event_common common; + struct fw_cdev_event_bus_reset bus_reset; + struct fw_cdev_event_response response; + struct fw_cdev_event_request request; + struct fw_cdev_event_iso_interrupt iso_interrupt; +}; + +#define FW_CDEV_IOC_GET_INFO _IOWR('#', 0x00, struct fw_cdev_get_info) +#define FW_CDEV_IOC_SEND_REQUEST _IOW('#', 0x01, struct fw_cdev_send_request) +#define FW_CDEV_IOC_ALLOCATE _IOWR('#', 0x02, struct fw_cdev_allocate) +#define FW_CDEV_IOC_DEALLOCATE _IOW('#', 0x03, struct fw_cdev_deallocate) +#define FW_CDEV_IOC_SEND_RESPONSE _IOW('#', 0x04, struct fw_cdev_send_response) +#define FW_CDEV_IOC_INITIATE_BUS_RESET _IOW('#', 0x05, struct fw_cdev_initiate_bus_reset) +#define FW_CDEV_IOC_ADD_DESCRIPTOR _IOWR('#', 0x06, struct fw_cdev_add_descriptor) +#define FW_CDEV_IOC_REMOVE_DESCRIPTOR _IOW('#', 0x07, struct fw_cdev_remove_descriptor) + +#define FW_CDEV_IOC_CREATE_ISO_CONTEXT _IOWR('#', 0x08, struct fw_cdev_create_iso_context) +#define FW_CDEV_IOC_QUEUE_ISO _IOWR('#', 0x09, struct fw_cdev_queue_iso) +#define FW_CDEV_IOC_START_ISO _IOW('#', 0x0a, struct fw_cdev_start_iso) +#define FW_CDEV_IOC_STOP_ISO _IOW('#', 0x0b, struct fw_cdev_stop_iso) + +/* FW_CDEV_VERSION History + * + * 1 Feb 18, 2007: Initial version. + */ +#define FW_CDEV_VERSION 1 + +struct fw_cdev_get_info { + /* The version field is just a running serial number. We + * never break backwards compatibility. Userspace passes in + * the version it expects and the kernel passes back the + * highest version it can provide. Even if the structs in + * this interface are extended in a later version, the kernel + * will not copy back more data than what was present in the + * interface version userspace expects. */ + __u32 version; + + /* If non-zero, at most rom_length bytes of config rom will be + * copied into that user space address. In either case, + * rom_length is updated with the actual length of the config + * rom. */ + __u32 rom_length; + __u64 rom; + + /* If non-zero, a fw_cdev_event_bus_reset struct will be + * copied here with the current state of the bus. This does + * not cause a bus reset to happen. The value of closure in + * this and sub-sequent bus reset events is set to + * bus_reset_closure. */ + __u64 bus_reset; + __u64 bus_reset_closure; + + /* The index of the card this devices belongs to. */ + __u32 card; +}; + +struct fw_cdev_send_request { + __u32 tcode; + __u32 length; + __u64 offset; + __u64 closure; + __u64 data; + __u32 generation; +}; + +struct fw_cdev_send_response { + __u32 rcode; + __u32 length; + __u64 data; + __u32 handle; +}; + +struct fw_cdev_allocate { + __u64 offset; + __u64 closure; + __u32 length; + __u32 handle; +}; + +struct fw_cdev_deallocate { + __u32 handle; +}; + +#define FW_CDEV_LONG_RESET 0 +#define FW_CDEV_SHORT_RESET 1 + +struct fw_cdev_initiate_bus_reset { + __u32 type; +}; + +struct fw_cdev_add_descriptor { + __u32 immediate; + __u32 key; + __u64 data; + __u32 length; + __u32 handle; +}; + +struct fw_cdev_remove_descriptor { + __u32 handle; +}; + +#define FW_CDEV_ISO_CONTEXT_TRANSMIT 0 +#define FW_CDEV_ISO_CONTEXT_RECEIVE 1 + +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG0 1 +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG1 2 +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG2 4 +#define FW_CDEV_ISO_CONTEXT_MATCH_TAG3 8 +#define FW_CDEV_ISO_CONTEXT_MATCH_ALL_TAGS 15 + +struct fw_cdev_create_iso_context { + __u32 type; + __u32 header_size; + __u32 channel; + __u32 speed; + __u64 closure; + __u32 handle; +}; + +struct fw_cdev_iso_packet { + __u16 payload_length; /* Length of indirect payload. */ + __u32 interrupt : 1; /* Generate interrupt on this packet */ + __u32 skip : 1; /* Set to not send packet at all. */ + __u32 tag : 2; + __u32 sy : 4; + __u32 header_length : 8; /* Length of immediate header. */ + __u32 header[0]; +}; + +struct fw_cdev_queue_iso { + __u64 packets; + __u64 data; + __u32 size; + __u32 handle; +}; + +struct fw_cdev_start_iso { + __s32 cycle; + __u32 sync; + __u32 tags; + __u32 handle; +}; + +struct fw_cdev_stop_iso { + __u32 handle; +}; + +#endif /* __fw_cdev_h */ -- cgit v1.2.3 From 3e7cbae7c6dda18d427335b3ad98f1a0d40ef30c Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Mon, 12 Jun 2006 16:17:04 +0200 Subject: CRC ITU-T V.41 This will add the CRC calculation according to the CRC ITU-T V.41 to the kernel lib/ folder. This code has been derived from the rt2x00 driver, currently found only in the wireless-dev tree, but this library is generic and could be used by more drivers who currently use their own implementation. Signed-off-by: Ivo van Doorn Also useful for the new firewire stack. Signed-off-by: Kristian Hoegsberg Signed-off-by: Stefan Richter --- include/linux/crc-itu-t.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 include/linux/crc-itu-t.h (limited to 'include') diff --git a/include/linux/crc-itu-t.h b/include/linux/crc-itu-t.h new file mode 100644 index 00000000000..84920f3cc83 --- /dev/null +++ b/include/linux/crc-itu-t.h @@ -0,0 +1,28 @@ +/* + * crc-itu-t.h - CRC ITU-T V.41 routine + * + * Implements the standard CRC ITU-T V.41: + * Width 16 + * Poly 0x0x1021 (x^16 + x^12 + x^15 + 1) + * Init 0 + * + * This source code is licensed under the GNU General Public License, + * Version 2. See the file COPYING for more details. + */ + +#ifndef CRC_ITU_T_H +#define CRC_ITU_T_H + +#include + +extern u16 const crc_itu_t_table[256]; + +extern u16 crc_itu_t(u16 crc, const u8 *buffer, size_t len); + +static inline u16 crc_itu_t_byte(u16 crc, const u8 data) +{ + return (crc << 8) ^ crc_itu_t_table[((crc >> 8) ^ data) & 0xff]; +} + +#endif /* CRC_ITU_T_H */ + -- cgit v1.2.3 From 04dfb8dbd200c574b2f292146ef817d9745c8936 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Mon, 7 May 2007 20:33:36 -0400 Subject: firewire: Use linux/*.h instead of asm/*.h header files. Signed-off-by: Kristian Hoegsberg Signed-off-by: Stefan Richter --- include/linux/firewire-cdev.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index 026c768e3bf..3cb83a1fa9b 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -22,8 +22,8 @@ #ifndef __fw_cdev_h #define __fw_cdev_h -#include -#include +#include +#include #define TCODE_WRITE_QUADLET_REQUEST 0 #define TCODE_WRITE_BLOCK_REQUEST 1 -- cgit v1.2.3 From 4c5a443e80e6d85e5c84a56bf30b61fe84c1f292 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Kristian=20H=C3=B8gsberg?= Date: Mon, 7 May 2007 20:33:37 -0400 Subject: firewire: Break out shared IEEE1394 constant to separate header file. Signed-off-by: Kristian Hoegsberg Signed-off-by: Stefan Richter --- include/linux/firewire-cdev.h | 51 ++++------------------------- include/linux/firewire-constants.h | 67 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 73 insertions(+), 45 deletions(-) create mode 100644 include/linux/firewire-constants.h (limited to 'include') diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h index 3cb83a1fa9b..d4455eb2ae3 100644 --- a/include/linux/firewire-cdev.h +++ b/include/linux/firewire-cdev.h @@ -1,6 +1,5 @@ -/* -*- c-basic-offset: 8 -*- - * - * fw-device-cdev.h -- Char device interface. +/* + * Char device interface. * * Copyright (C) 2005-2006 Kristian Hoegsberg * @@ -19,50 +18,12 @@ * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef __fw_cdev_h -#define __fw_cdev_h +#ifndef _LINUX_FIREWIRE_CDEV_H +#define _LINUX_FIREWIRE_CDEV_H #include #include - -#define TCODE_WRITE_QUADLET_REQUEST 0 -#define TCODE_WRITE_BLOCK_REQUEST 1 -#define TCODE_WRITE_RESPONSE 2 -#define TCODE_READ_QUADLET_REQUEST 4 -#define TCODE_READ_BLOCK_REQUEST 5 -#define TCODE_READ_QUADLET_RESPONSE 6 -#define TCODE_READ_BLOCK_RESPONSE 7 -#define TCODE_CYCLE_START 8 -#define TCODE_LOCK_REQUEST 9 -#define TCODE_STREAM_DATA 10 -#define TCODE_LOCK_RESPONSE 11 - -#define TCODE_LOCK_MASK_SWAP 0x11 -#define TCODE_LOCK_COMPARE_SWAP 0x12 -#define TCODE_LOCK_FETCH_ADD 0x13 -#define TCODE_LOCK_LITTLE_ADD 0x14 -#define TCODE_LOCK_BOUNDED_ADD 0x15 -#define TCODE_LOCK_WRAP_ADD 0x16 -#define TCODE_LOCK_VENDOR_DEPENDENT 0x17 - -#define RCODE_COMPLETE 0x0 -#define RCODE_CONFLICT_ERROR 0x4 -#define RCODE_DATA_ERROR 0x5 -#define RCODE_TYPE_ERROR 0x6 -#define RCODE_ADDRESS_ERROR 0x7 - -#define RCODE_SEND_ERROR 0x10 -#define RCODE_CANCELLED 0x11 -#define RCODE_BUSY 0x12 -#define RCODE_GENERATION 0x13 -#define RCODE_NO_ACK 0x14 - -#define SCODE_100 0x0 -#define SCODE_200 0x1 -#define SCODE_400 0x2 -#define SCODE_800 0x3 -#define SCODE_1600 0x4 -#define SCODE_3200 0x5 +#include #define FW_CDEV_EVENT_BUS_RESET 0x00 #define FW_CDEV_EVENT_RESPONSE 0x01 @@ -265,4 +226,4 @@ struct fw_cdev_stop_iso { __u32 handle; }; -#endif /* __fw_cdev_h */ +#endif /* _LINUX_FIREWIRE_CDEV_H */ diff --git a/include/linux/firewire-constants.h b/include/linux/firewire-constants.h new file mode 100644 index 00000000000..b316770a43f --- /dev/null +++ b/include/linux/firewire-constants.h @@ -0,0 +1,67 @@ +#ifndef _LINUX_FIREWIRE_CONSTANTS_H +#define _LINUX_FIREWIRE_CONSTANTS_H + +#define TCODE_WRITE_QUADLET_REQUEST 0x0 +#define TCODE_WRITE_BLOCK_REQUEST 0x1 +#define TCODE_WRITE_RESPONSE 0x2 +#define TCODE_READ_QUADLET_REQUEST 0x4 +#define TCODE_READ_BLOCK_REQUEST 0x5 +#define TCODE_READ_QUADLET_RESPONSE 0x6 +#define TCODE_READ_BLOCK_RESPONSE 0x7 +#define TCODE_CYCLE_START 0x8 +#define TCODE_LOCK_REQUEST 0x9 +#define TCODE_STREAM_DATA 0xa +#define TCODE_LOCK_RESPONSE 0xb + +#define EXTCODE_MASK_SWAP 0x1 +#define EXTCODE_COMPARE_SWAP 0x2 +#define EXTCODE_FETCH_ADD 0x3 +#define EXTCODE_LITTLE_ADD 0x4 +#define EXTCODE_BOUNDED_ADD 0x5 +#define EXTCODE_WRAP_ADD 0x6 +#define EXTCODE_VENDOR_DEPENDENT 0x7 + +/* Juju specific tcodes */ +#define TCODE_LOCK_MASK_SWAP (0x10 | EXTCODE_MASK_SWAP) +#define TCODE_LOCK_COMPARE_SWAP (0x10 | EXTCODE_COMPARE_SWAP) +#define TCODE_LOCK_FETCH_ADD (0x10 | EXTCODE_FETCH_ADD) +#define TCODE_LOCK_LITTLE_ADD (0x10 | EXTCODE_LITTLE_ADD) +#define TCODE_LOCK_BOUNDED_ADD (0x10 | EXTCODE_BOUNDED_ADD) +#define TCODE_LOCK_WRAP_ADD (0x10 | EXTCODE_WRAP_ADD) +#define TCODE_LOCK_VENDOR_DEPENDENT (0x10 | EXTCODE_VENDOR_DEPENDENT) + +#define RCODE_COMPLETE 0x0 +#define RCODE_CONFLICT_ERROR 0x4 +#define RCODE_DATA_ERROR 0x5 +#define RCODE_TYPE_ERROR 0x6 +#define RCODE_ADDRESS_ERROR 0x7 + +/* Juju specific rcodes */ +#define RCODE_SEND_ERROR 0x10 +#define RCODE_CANCELLED 0x11 +#define RCODE_BUSY 0x12 +#define RCODE_GENERATION 0x13 +#define RCODE_NO_ACK 0x14 + +#define SCODE_100 0x0 +#define SCODE_200 0x1 +#define SCODE_400 0x2 +#define SCODE_800 0x3 +#define SCODE_1600 0x4 +#define SCODE_3200 0x5 +#define SCODE_BETA 0x3 + +#define ACK_COMPLETE 0x1 +#define ACK_PENDING 0x2 +#define ACK_BUSY_X 0x4 +#define ACK_BUSY_A 0x5 +#define ACK_BUSY_B 0x6 +#define ACK_DATA_ERROR 0xd +#define ACK_TYPE_ERROR 0xe + +#define RETRY_1 0x00 +#define RETRY_X 0x01 +#define RETRY_A 0x02 +#define RETRY_B 0x03 + +#endif /* _LINUX_FIREWIRE_CONSTANTS_H */ -- cgit v1.2.3