drivers/firewire/packet-header-definitions.h

3 // packet-header-definitions.h - The definitions of header fields for IEEE 1394 packet.
35 static inline unsigned int async_header_get_destination(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
37 	return (header[0] & ASYNC_HEADER_Q0_DESTINATION_MASK) >> ASYNC_HEADER_Q0_DESTINATION_SHIFT;
40 static inline unsigned int async_header_get_tlabel(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
42 	return (header[0] & ASYNC_HEADER_Q0_TLABEL_MASK) >> ASYNC_HEADER_Q0_TLABEL_SHIFT;
45 static inline unsigned int async_header_get_retry(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
47 	return (header[0] & ASYNC_HEADER_Q0_RETRY_MASK) >> ASYNC_HEADER_Q0_RETRY_SHIFT;
50 static inline unsigned int async_header_get_tcode(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
52 	return (header[0] & ASYNC_HEADER_Q0_TCODE_MASK) >> ASYNC_HEADER_Q0_TCODE_SHIFT;
55 static inline unsigned int async_header_get_priority(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
57 	return (header[0] & ASYNC_HEADER_Q0_PRIORITY_MASK) >> ASYNC_HEADER_Q0_PRIORITY_SHIFT;
60 static inline unsigned int async_header_get_source(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
62 	return (header[1] & ASYNC_HEADER_Q1_SOURCE_MASK) >> ASYNC_HEADER_Q1_SOURCE_SHIFT;
65 static inline unsigned int async_header_get_rcode(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
67 	return (header[1] & ASYNC_HEADER_Q1_RCODE_MASK) >> ASYNC_HEADER_Q1_RCODE_SHIFT;
70 static inline u64 async_header_get_offset(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
72 	u32 hi = (header[1] & ASYNC_HEADER_Q1_OFFSET_HIGH_MASK) >> ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT;
73 	return (((u64)hi) << 32) | ((u64)header[2]);
76 static inline u32 async_header_get_quadlet_data(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
78 	return header[3];
81 static inline unsigned int async_header_get_data_length(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
83 	return (header[3] & ASYNC_HEADER_Q3_DATA_LENGTH_MASK) >> ASYNC_HEADER_Q3_DATA_LENGTH_SHIFT;
86 static inline unsigned int async_header_get_extended_tcode(const u32 header[ASYNC_HEADER_QUADLET_COUNT])
88 	return (header[3] & ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK) >> ASYNC_HEADER_Q3_EXTENDED_TCODE_SHIFT;
91 static inline void async_header_set_destination(u32 header[ASYNC_HEADER_QUADLET_COUNT],
94 	header[0] &= ~ASYNC_HEADER_Q0_DESTINATION_MASK;
95 	header[0] |= (((u32)destination) << ASYNC_HEADER_Q0_DESTINATION_SHIFT) & ASYNC_HEADER_Q0_DESTINATION_MASK;
98 static inline void async_header_set_tlabel(u32 header[ASYNC_HEADER_QUADLET_COUNT],
101 	header[0] &= ~ASYNC_HEADER_Q0_TLABEL_MASK;
102 	header[0] |= (((u32)tlabel) << ASYNC_HEADER_Q0_TLABEL_SHIFT) & ASYNC_HEADER_Q0_TLABEL_MASK;
105 static inline void async_header_set_retry(u32 header[ASYNC_HEADER_QUADLET_COUNT],
108 	header[0] &= ~ASYNC_HEADER_Q0_RETRY_MASK;
109 	header[0] |= (((u32)retry) << ASYNC_HEADER_Q0_RETRY_SHIFT) & ASYNC_HEADER_Q0_RETRY_MASK;
112 static inline void async_header_set_tcode(u32 header[ASYNC_HEADER_QUADLET_COUNT],
115 	header[0] &= ~ASYNC_HEADER_Q0_TCODE_MASK;
116 	header[0] |= (((u32)tcode) << ASYNC_HEADER_Q0_TCODE_SHIFT) & ASYNC_HEADER_Q0_TCODE_MASK;
119 static inline void async_header_set_priority(u32 header[ASYNC_HEADER_QUADLET_COUNT],
122 	header[0] &= ~ASYNC_HEADER_Q0_PRIORITY_MASK;
123 	header[0] |= (((u32)priority) << ASYNC_HEADER_Q0_PRIORITY_SHIFT) & ASYNC_HEADER_Q0_PRIORITY_MASK;
127 static inline void async_header_set_source(u32 header[ASYNC_HEADER_QUADLET_COUNT],
130 	header[1] &= ~ASYNC_HEADER_Q1_SOURCE_MASK;
131 	header[1] |= (((u32)source) << ASYNC_HEADER_Q1_SOURCE_SHIFT) & ASYNC_HEADER_Q1_SOURCE_MASK;
134 static inline void async_header_set_rcode(u32 header[ASYNC_HEADER_QUADLET_COUNT],
137 	header[1] &= ~ASYNC_HEADER_Q1_RCODE_MASK;
138 	header[1] |= (((u32)rcode) << ASYNC_HEADER_Q1_RCODE_SHIFT) & ASYNC_HEADER_Q1_RCODE_MASK;
141 static inline void async_header_set_offset(u32 header[ASYNC_HEADER_QUADLET_COUNT], u64 offset)
144 	header[1] &= ~ASYNC_HEADER_Q1_OFFSET_HIGH_MASK;
145 	header[1] |= (hi << ASYNC_HEADER_Q1_OFFSET_HIGH_SHIFT) & ASYNC_HEADER_Q1_OFFSET_HIGH_MASK;
146 	header[2] = (u32)(offset & 0x00000000ffffffff);
149 static inline void async_header_set_quadlet_data(u32 header[ASYNC_HEADER_QUADLET_COUNT], u32 quadlet_data)
151 	header[3] = quadlet_data;
154 static inline void async_header_set_data_length(u32 header[ASYNC_HEADER_QUADLET_COUNT],
157 	header[3] &= ~ASYNC_HEADER_Q3_DATA_LENGTH_MASK;
158 	header[3] |= (((u32)data_length) << ASYNC_HEADER_Q3_DATA_LENGTH_SHIFT) & ASYNC_HEADER_Q3_DATA_LENGTH_MASK;
161 static inline void async_header_set_extended_tcode(u32 header[ASYNC_HEADER_QUADLET_COUNT],
164 	header[3] &= ~ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK;
165 	header[3] |= (((u32)extended_tcode) << ASYNC_HEADER_Q3_EXTENDED_TCODE_SHIFT) & ASYNC_HEADER_Q3_EXTENDED_TCODE_MASK;
179 static inline unsigned int isoc_header_get_data_length(u32 header)
181 	return (header & ISOC_HEADER_DATA_LENGTH_MASK) >> ISOC_HEADER_DATA_LENGTH_SHIFT;
184 static inline unsigned int isoc_header_get_tag(u32 header)
186 	return (header & ISOC_HEADER_TAG_MASK) >> ISOC_HEADER_TAG_SHIFT;
189 static inline unsigned int isoc_header_get_channel(u32 header)
191 	return (header & ISOC_HEADER_CHANNEL_MASK) >> ISOC_HEADER_CHANNEL_SHIFT;
194 static inline unsigned int isoc_header_get_tcode(u32 header)
196 	return (header & ISOC_HEADER_TCODE_MASK) >> ISOC_HEADER_TCODE_SHIFT;
199 static inline unsigned int isoc_header_get_sy(u32 header)
201 	return (header & ISOC_HEADER_SY_MASK) >> ISOC_HEADER_SY_SHIFT;
204 static inline void isoc_header_set_data_length(u32 *header, unsigned int data_length)
206 	*header &= ~ISOC_HEADER_DATA_LENGTH_MASK;
207 	*header |= (((u32)data_length) << ISOC_HEADER_DATA_LENGTH_SHIFT) & ISOC_HEADER_DATA_LENGTH_MASK;
210 static inline void isoc_header_set_tag(u32 *header, unsigned int tag)
212 	*header &= ~ISOC_HEADER_TAG_MASK;
213 	*header |= (((u32)tag) << ISOC_HEADER_TAG_SHIFT) & ISOC_HEADER_TAG_MASK;
216 static inline void isoc_header_set_channel(u32 *header, unsigned int channel)
218 	*header &= ~ISOC_HEADER_CHANNEL_MASK;
219 	*header |= (((u32)channel) << ISOC_HEADER_CHANNEL_SHIFT) & ISOC_HEADER_CHANNEL_MASK;
222 static inline void isoc_header_set_tcode(u32 *header, unsigned int tcode)
224 	*header &= ~ISOC_HEADER_TCODE_MASK;
225 	*header |= (((u32)tcode) << ISOC_HEADER_TCODE_SHIFT) & ISOC_HEADER_TCODE_MASK;
228 static inline void isoc_header_set_sy(u32 *header, unsigned int sy)
230 	*header &= ~ISOC_HEADER_SY_MASK;
231 	*header |= (((u32)sy) << ISOC_HEADER_SY_SHIFT) & ISOC_HEADER_SY_MASK;