1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3 1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* 2 /*
3 * Copyright 2014-2016 Freescale Semiconductor 3 * Copyright 2014-2016 Freescale Semiconductor Inc.
4 * Copyright 2016 NXP 4 * Copyright 2016 NXP
5 * 5 *
6 */ 6 */
7 #ifndef __FSL_DPAA2_FD_H 7 #ifndef __FSL_DPAA2_FD_H
8 #define __FSL_DPAA2_FD_H 8 #define __FSL_DPAA2_FD_H
9 9
10 #include <linux/byteorder/generic.h> 10 #include <linux/byteorder/generic.h>
11 #include <linux/types.h> 11 #include <linux/types.h>
12 12
13 /** 13 /**
14 * DOC: DPAA2 FD - Frame Descriptor APIs for D 14 * DOC: DPAA2 FD - Frame Descriptor APIs for DPAA2
15 * 15 *
16 * Frame Descriptors (FDs) are used to describ 16 * Frame Descriptors (FDs) are used to describe frame data in the DPAA2.
17 * Frames can be enqueued and dequeued to Fram 17 * Frames can be enqueued and dequeued to Frame Queues (FQs) which are consumed
18 * by the various DPAA accelerators (WRIOP, SE 18 * by the various DPAA accelerators (WRIOP, SEC, PME, DCE)
19 * 19 *
20 * There are three types of frames: single, sc 20 * There are three types of frames: single, scatter gather, and frame lists.
21 * 21 *
22 * The set of APIs in this file must be used t 22 * The set of APIs in this file must be used to create, manipulate and
23 * query Frame Descriptors. 23 * query Frame Descriptors.
24 */ 24 */
25 25
26 /** 26 /**
27 * struct dpaa2_fd - Struct describing FDs 27 * struct dpaa2_fd - Struct describing FDs
28 * @words: for easier/faster copying t 28 * @words: for easier/faster copying the whole FD structure
29 * @addr: address in the FD 29 * @addr: address in the FD
30 * @len: length in the FD 30 * @len: length in the FD
31 * @bpid: buffer pool ID 31 * @bpid: buffer pool ID
32 * @format_offset: format, offset, and short-l 32 * @format_offset: format, offset, and short-length fields
33 * @frc: frame context 33 * @frc: frame context
34 * @ctrl: control bits...including dd 34 * @ctrl: control bits...including dd, sc, va, err, etc
35 * @flc: flow context address 35 * @flc: flow context address
36 * 36 *
37 * This structure represents the basic Frame D 37 * This structure represents the basic Frame Descriptor used in the system.
38 */ 38 */
39 struct dpaa2_fd { 39 struct dpaa2_fd {
40 union { 40 union {
41 u32 words[8]; 41 u32 words[8];
42 struct dpaa2_fd_simple { 42 struct dpaa2_fd_simple {
43 __le64 addr; 43 __le64 addr;
44 __le32 len; 44 __le32 len;
45 __le16 bpid; 45 __le16 bpid;
46 __le16 format_offset; 46 __le16 format_offset;
47 __le32 frc; 47 __le32 frc;
48 __le32 ctrl; 48 __le32 ctrl;
49 __le64 flc; 49 __le64 flc;
50 } simple; 50 } simple;
51 }; 51 };
52 }; 52 };
53 53
54 #define FD_SHORT_LEN_FLAG_MASK 0x1 54 #define FD_SHORT_LEN_FLAG_MASK 0x1
55 #define FD_SHORT_LEN_FLAG_SHIFT 14 55 #define FD_SHORT_LEN_FLAG_SHIFT 14
56 #define FD_SHORT_LEN_MASK 0x3FFFF 56 #define FD_SHORT_LEN_MASK 0x3FFFF
57 #define FD_OFFSET_MASK 0x0FFF 57 #define FD_OFFSET_MASK 0x0FFF
58 #define FD_FORMAT_MASK 0x3 58 #define FD_FORMAT_MASK 0x3
59 #define FD_FORMAT_SHIFT 12 59 #define FD_FORMAT_SHIFT 12
60 #define FD_BPID_MASK 0x3FFF 60 #define FD_BPID_MASK 0x3FFF
61 #define SG_SHORT_LEN_FLAG_MASK 0x1 61 #define SG_SHORT_LEN_FLAG_MASK 0x1
62 #define SG_SHORT_LEN_FLAG_SHIFT 14 62 #define SG_SHORT_LEN_FLAG_SHIFT 14
63 #define SG_SHORT_LEN_MASK 0x1FFFF 63 #define SG_SHORT_LEN_MASK 0x1FFFF
64 #define SG_OFFSET_MASK 0x0FFF 64 #define SG_OFFSET_MASK 0x0FFF
65 #define SG_FORMAT_MASK 0x3 65 #define SG_FORMAT_MASK 0x3
66 #define SG_FORMAT_SHIFT 12 66 #define SG_FORMAT_SHIFT 12
67 #define SG_BPID_MASK 0x3FFF 67 #define SG_BPID_MASK 0x3FFF
68 #define SG_FINAL_FLAG_MASK 0x1 68 #define SG_FINAL_FLAG_MASK 0x1
69 #define SG_FINAL_FLAG_SHIFT 15 69 #define SG_FINAL_FLAG_SHIFT 15
70 #define FL_SHORT_LEN_FLAG_MASK 0x1 70 #define FL_SHORT_LEN_FLAG_MASK 0x1
71 #define FL_SHORT_LEN_FLAG_SHIFT 14 71 #define FL_SHORT_LEN_FLAG_SHIFT 14
72 #define FL_SHORT_LEN_MASK 0x3FFFF 72 #define FL_SHORT_LEN_MASK 0x3FFFF
73 #define FL_OFFSET_MASK 0x0FFF 73 #define FL_OFFSET_MASK 0x0FFF
74 #define FL_FORMAT_MASK 0x3 74 #define FL_FORMAT_MASK 0x3
75 #define FL_FORMAT_SHIFT 12 75 #define FL_FORMAT_SHIFT 12
76 #define FL_BPID_MASK 0x3FFF 76 #define FL_BPID_MASK 0x3FFF
77 #define FL_FINAL_FLAG_MASK 0x1 77 #define FL_FINAL_FLAG_MASK 0x1
78 #define FL_FINAL_FLAG_SHIFT 15 78 #define FL_FINAL_FLAG_SHIFT 15
79 79
80 /* Error bits in FD CTRL */ 80 /* Error bits in FD CTRL */
81 #define FD_CTRL_ERR_MASK 0x000000FF 81 #define FD_CTRL_ERR_MASK 0x000000FF
82 #define FD_CTRL_UFD 0x00000004 82 #define FD_CTRL_UFD 0x00000004
83 #define FD_CTRL_SBE 0x00000008 83 #define FD_CTRL_SBE 0x00000008
84 #define FD_CTRL_FLC 0x00000010 84 #define FD_CTRL_FLC 0x00000010
85 #define FD_CTRL_FSE 0x00000020 85 #define FD_CTRL_FSE 0x00000020
86 #define FD_CTRL_FAERR 0x00000040 86 #define FD_CTRL_FAERR 0x00000040
87 87
88 /* Annotation bits in FD CTRL */ 88 /* Annotation bits in FD CTRL */
89 #define FD_CTRL_PTA 0x00800000 89 #define FD_CTRL_PTA 0x00800000
90 #define FD_CTRL_PTV1 0x00400000 90 #define FD_CTRL_PTV1 0x00400000
91 91
92 enum dpaa2_fd_format { 92 enum dpaa2_fd_format {
93 dpaa2_fd_single = 0, 93 dpaa2_fd_single = 0,
94 dpaa2_fd_list, 94 dpaa2_fd_list,
95 dpaa2_fd_sg 95 dpaa2_fd_sg
96 }; 96 };
97 97
98 /** 98 /**
99 * dpaa2_fd_get_addr() - get the addr field of 99 * dpaa2_fd_get_addr() - get the addr field of frame descriptor
100 * @fd: the given frame descriptor 100 * @fd: the given frame descriptor
101 * 101 *
102 * Return the address in the frame descriptor. 102 * Return the address in the frame descriptor.
103 */ 103 */
104 static inline dma_addr_t dpaa2_fd_get_addr(con 104 static inline dma_addr_t dpaa2_fd_get_addr(const struct dpaa2_fd *fd)
105 { 105 {
106 return (dma_addr_t)le64_to_cpu(fd->sim 106 return (dma_addr_t)le64_to_cpu(fd->simple.addr);
107 } 107 }
108 108
109 /** 109 /**
110 * dpaa2_fd_set_addr() - Set the addr field of 110 * dpaa2_fd_set_addr() - Set the addr field of frame descriptor
111 * @fd: the given frame descriptor 111 * @fd: the given frame descriptor
112 * @addr: the address needs to be set in frame 112 * @addr: the address needs to be set in frame descriptor
113 */ 113 */
114 static inline void dpaa2_fd_set_addr(struct dp 114 static inline void dpaa2_fd_set_addr(struct dpaa2_fd *fd, dma_addr_t addr)
115 { 115 {
116 fd->simple.addr = cpu_to_le64(addr); 116 fd->simple.addr = cpu_to_le64(addr);
117 } 117 }
118 118
119 /** 119 /**
120 * dpaa2_fd_get_frc() - Get the frame context 120 * dpaa2_fd_get_frc() - Get the frame context in the frame descriptor
121 * @fd: the given frame descriptor 121 * @fd: the given frame descriptor
122 * 122 *
123 * Return the frame context field in the frame 123 * Return the frame context field in the frame descriptor.
124 */ 124 */
125 static inline u32 dpaa2_fd_get_frc(const struc 125 static inline u32 dpaa2_fd_get_frc(const struct dpaa2_fd *fd)
126 { 126 {
127 return le32_to_cpu(fd->simple.frc); 127 return le32_to_cpu(fd->simple.frc);
128 } 128 }
129 129
130 /** 130 /**
131 * dpaa2_fd_set_frc() - Set the frame context 131 * dpaa2_fd_set_frc() - Set the frame context in the frame descriptor
132 * @fd: the given frame descriptor 132 * @fd: the given frame descriptor
133 * @frc: the frame context needs to be set in 133 * @frc: the frame context needs to be set in frame descriptor
134 */ 134 */
135 static inline void dpaa2_fd_set_frc(struct dpa 135 static inline void dpaa2_fd_set_frc(struct dpaa2_fd *fd, u32 frc)
136 { 136 {
137 fd->simple.frc = cpu_to_le32(frc); 137 fd->simple.frc = cpu_to_le32(frc);
138 } 138 }
139 139
140 /** 140 /**
141 * dpaa2_fd_get_ctrl() - Get the control bits 141 * dpaa2_fd_get_ctrl() - Get the control bits in the frame descriptor
142 * @fd: the given frame descriptor 142 * @fd: the given frame descriptor
143 * 143 *
144 * Return the control bits field in the frame 144 * Return the control bits field in the frame descriptor.
145 */ 145 */
146 static inline u32 dpaa2_fd_get_ctrl(const stru 146 static inline u32 dpaa2_fd_get_ctrl(const struct dpaa2_fd *fd)
147 { 147 {
148 return le32_to_cpu(fd->simple.ctrl); 148 return le32_to_cpu(fd->simple.ctrl);
149 } 149 }
150 150
151 /** 151 /**
152 * dpaa2_fd_set_ctrl() - Set the control bits 152 * dpaa2_fd_set_ctrl() - Set the control bits in the frame descriptor
153 * @fd: the given frame descriptor 153 * @fd: the given frame descriptor
154 * @ctrl: the control bits to be set in the fr 154 * @ctrl: the control bits to be set in the frame descriptor
155 */ 155 */
156 static inline void dpaa2_fd_set_ctrl(struct dp 156 static inline void dpaa2_fd_set_ctrl(struct dpaa2_fd *fd, u32 ctrl)
157 { 157 {
158 fd->simple.ctrl = cpu_to_le32(ctrl); 158 fd->simple.ctrl = cpu_to_le32(ctrl);
159 } 159 }
160 160
161 /** 161 /**
162 * dpaa2_fd_get_flc() - Get the flow context i 162 * dpaa2_fd_get_flc() - Get the flow context in the frame descriptor
163 * @fd: the given frame descriptor 163 * @fd: the given frame descriptor
164 * 164 *
165 * Return the flow context in the frame descri 165 * Return the flow context in the frame descriptor.
166 */ 166 */
167 static inline dma_addr_t dpaa2_fd_get_flc(cons 167 static inline dma_addr_t dpaa2_fd_get_flc(const struct dpaa2_fd *fd)
168 { 168 {
169 return (dma_addr_t)le64_to_cpu(fd->sim 169 return (dma_addr_t)le64_to_cpu(fd->simple.flc);
170 } 170 }
171 171
172 /** 172 /**
173 * dpaa2_fd_set_flc() - Set the flow context f 173 * dpaa2_fd_set_flc() - Set the flow context field of frame descriptor
174 * @fd: the given frame descriptor 174 * @fd: the given frame descriptor
175 * @flc_addr: the flow context needs to be set 175 * @flc_addr: the flow context needs to be set in frame descriptor
176 */ 176 */
177 static inline void dpaa2_fd_set_flc(struct dpa 177 static inline void dpaa2_fd_set_flc(struct dpaa2_fd *fd, dma_addr_t flc_addr)
178 { 178 {
179 fd->simple.flc = cpu_to_le64(flc_addr) 179 fd->simple.flc = cpu_to_le64(flc_addr);
180 } 180 }
181 181
182 static inline bool dpaa2_fd_short_len(const st 182 static inline bool dpaa2_fd_short_len(const struct dpaa2_fd *fd)
183 { 183 {
184 return !!((le16_to_cpu(fd->simple.form 184 return !!((le16_to_cpu(fd->simple.format_offset) >>
185 FD_SHORT_LEN_FLAG_SHIFT) & F 185 FD_SHORT_LEN_FLAG_SHIFT) & FD_SHORT_LEN_FLAG_MASK);
186 } 186 }
187 187
188 /** 188 /**
189 * dpaa2_fd_get_len() - Get the length in the 189 * dpaa2_fd_get_len() - Get the length in the frame descriptor
190 * @fd: the given frame descriptor 190 * @fd: the given frame descriptor
191 * 191 *
192 * Return the length field in the frame descri 192 * Return the length field in the frame descriptor.
193 */ 193 */
194 static inline u32 dpaa2_fd_get_len(const struc 194 static inline u32 dpaa2_fd_get_len(const struct dpaa2_fd *fd)
195 { 195 {
196 if (dpaa2_fd_short_len(fd)) 196 if (dpaa2_fd_short_len(fd))
197 return le32_to_cpu(fd->simple. 197 return le32_to_cpu(fd->simple.len) & FD_SHORT_LEN_MASK;
198 198
199 return le32_to_cpu(fd->simple.len); 199 return le32_to_cpu(fd->simple.len);
200 } 200 }
201 201
202 /** 202 /**
203 * dpaa2_fd_set_len() - Set the length field o 203 * dpaa2_fd_set_len() - Set the length field of frame descriptor
204 * @fd: the given frame descriptor 204 * @fd: the given frame descriptor
205 * @len: the length needs to be set in frame d 205 * @len: the length needs to be set in frame descriptor
206 */ 206 */
207 static inline void dpaa2_fd_set_len(struct dpa 207 static inline void dpaa2_fd_set_len(struct dpaa2_fd *fd, u32 len)
208 { 208 {
209 fd->simple.len = cpu_to_le32(len); 209 fd->simple.len = cpu_to_le32(len);
210 } 210 }
211 211
212 /** 212 /**
213 * dpaa2_fd_get_offset() - Get the offset fiel 213 * dpaa2_fd_get_offset() - Get the offset field in the frame descriptor
214 * @fd: the given frame descriptor 214 * @fd: the given frame descriptor
215 * 215 *
216 * Return the offset. 216 * Return the offset.
217 */ 217 */
218 static inline uint16_t dpaa2_fd_get_offset(con 218 static inline uint16_t dpaa2_fd_get_offset(const struct dpaa2_fd *fd)
219 { 219 {
220 return le16_to_cpu(fd->simple.format_o 220 return le16_to_cpu(fd->simple.format_offset) & FD_OFFSET_MASK;
221 } 221 }
222 222
223 /** 223 /**
224 * dpaa2_fd_set_offset() - Set the offset fiel 224 * dpaa2_fd_set_offset() - Set the offset field of frame descriptor
225 * @fd: the given frame descriptor 225 * @fd: the given frame descriptor
226 * @offset: the offset needs to be set in fram 226 * @offset: the offset needs to be set in frame descriptor
227 */ 227 */
228 static inline void dpaa2_fd_set_offset(struct 228 static inline void dpaa2_fd_set_offset(struct dpaa2_fd *fd, uint16_t offset)
229 { 229 {
230 fd->simple.format_offset &= cpu_to_le1 230 fd->simple.format_offset &= cpu_to_le16(~FD_OFFSET_MASK);
231 fd->simple.format_offset |= cpu_to_le1 231 fd->simple.format_offset |= cpu_to_le16(offset);
232 } 232 }
233 233
234 /** 234 /**
235 * dpaa2_fd_get_format() - Get the format fiel 235 * dpaa2_fd_get_format() - Get the format field in the frame descriptor
236 * @fd: the given frame descriptor 236 * @fd: the given frame descriptor
237 * 237 *
238 * Return the format. 238 * Return the format.
239 */ 239 */
240 static inline enum dpaa2_fd_format dpaa2_fd_ge 240 static inline enum dpaa2_fd_format dpaa2_fd_get_format(
241 241 const struct dpaa2_fd *fd)
242 { 242 {
243 return (enum dpaa2_fd_format)((le16_to 243 return (enum dpaa2_fd_format)((le16_to_cpu(fd->simple.format_offset)
244 >> FD_FO 244 >> FD_FORMAT_SHIFT) & FD_FORMAT_MASK);
245 } 245 }
246 246
247 /** 247 /**
248 * dpaa2_fd_set_format() - Set the format fiel 248 * dpaa2_fd_set_format() - Set the format field of frame descriptor
249 * @fd: the given frame descriptor 249 * @fd: the given frame descriptor
250 * @format: the format needs to be set in fram 250 * @format: the format needs to be set in frame descriptor
251 */ 251 */
252 static inline void dpaa2_fd_set_format(struct 252 static inline void dpaa2_fd_set_format(struct dpaa2_fd *fd,
253 enum dp 253 enum dpaa2_fd_format format)
254 { 254 {
255 fd->simple.format_offset &= 255 fd->simple.format_offset &=
256 cpu_to_le16(~(FD_FORMAT_MASK < 256 cpu_to_le16(~(FD_FORMAT_MASK << FD_FORMAT_SHIFT));
257 fd->simple.format_offset |= cpu_to_le1 257 fd->simple.format_offset |= cpu_to_le16(format << FD_FORMAT_SHIFT);
258 } 258 }
259 259
260 /** 260 /**
261 * dpaa2_fd_get_bpid() - Get the bpid field in 261 * dpaa2_fd_get_bpid() - Get the bpid field in the frame descriptor
262 * @fd: the given frame descriptor 262 * @fd: the given frame descriptor
263 * 263 *
264 * Return the buffer pool id. 264 * Return the buffer pool id.
265 */ 265 */
266 static inline uint16_t dpaa2_fd_get_bpid(const 266 static inline uint16_t dpaa2_fd_get_bpid(const struct dpaa2_fd *fd)
267 { 267 {
268 return le16_to_cpu(fd->simple.bpid) & 268 return le16_to_cpu(fd->simple.bpid) & FD_BPID_MASK;
269 } 269 }
270 270
271 /** 271 /**
272 * dpaa2_fd_set_bpid() - Set the bpid field of 272 * dpaa2_fd_set_bpid() - Set the bpid field of frame descriptor
273 * @fd: the given frame descriptor 273 * @fd: the given frame descriptor
274 * @bpid: buffer pool id to be set 274 * @bpid: buffer pool id to be set
275 */ 275 */
276 static inline void dpaa2_fd_set_bpid(struct dp 276 static inline void dpaa2_fd_set_bpid(struct dpaa2_fd *fd, uint16_t bpid)
277 { 277 {
278 fd->simple.bpid &= cpu_to_le16(~(FD_BP 278 fd->simple.bpid &= cpu_to_le16(~(FD_BPID_MASK));
279 fd->simple.bpid |= cpu_to_le16(bpid); 279 fd->simple.bpid |= cpu_to_le16(bpid);
280 } 280 }
281 281
282 /** 282 /**
283 * struct dpaa2_sg_entry - the scatter-gatheri 283 * struct dpaa2_sg_entry - the scatter-gathering structure
284 * @addr: address of the sg entry 284 * @addr: address of the sg entry
285 * @len: length in this sg entry 285 * @len: length in this sg entry
286 * @bpid: buffer pool id 286 * @bpid: buffer pool id
287 * @format_offset: format and offset fields 287 * @format_offset: format and offset fields
288 */ 288 */
289 struct dpaa2_sg_entry { 289 struct dpaa2_sg_entry {
290 __le64 addr; 290 __le64 addr;
291 __le32 len; 291 __le32 len;
292 __le16 bpid; 292 __le16 bpid;
293 __le16 format_offset; 293 __le16 format_offset;
294 }; 294 };
295 295
296 enum dpaa2_sg_format { 296 enum dpaa2_sg_format {
297 dpaa2_sg_single = 0, 297 dpaa2_sg_single = 0,
298 dpaa2_sg_frame_data, 298 dpaa2_sg_frame_data,
299 dpaa2_sg_sgt_ext 299 dpaa2_sg_sgt_ext
300 }; 300 };
301 301
302 /* Accessors for SG entry fields */ 302 /* Accessors for SG entry fields */
303 303
304 /** 304 /**
305 * dpaa2_sg_get_addr() - Get the address from 305 * dpaa2_sg_get_addr() - Get the address from SG entry
306 * @sg: the given scatter-gathering object 306 * @sg: the given scatter-gathering object
307 * 307 *
308 * Return the address. 308 * Return the address.
309 */ 309 */
310 static inline dma_addr_t dpaa2_sg_get_addr(con 310 static inline dma_addr_t dpaa2_sg_get_addr(const struct dpaa2_sg_entry *sg)
311 { 311 {
312 return (dma_addr_t)le64_to_cpu(sg->add 312 return (dma_addr_t)le64_to_cpu(sg->addr);
313 } 313 }
314 314
315 /** 315 /**
316 * dpaa2_sg_set_addr() - Set the address in SG 316 * dpaa2_sg_set_addr() - Set the address in SG entry
317 * @sg: the given scatter-gathering object 317 * @sg: the given scatter-gathering object
318 * @addr: the address to be set 318 * @addr: the address to be set
319 */ 319 */
320 static inline void dpaa2_sg_set_addr(struct dp 320 static inline void dpaa2_sg_set_addr(struct dpaa2_sg_entry *sg, dma_addr_t addr)
321 { 321 {
322 sg->addr = cpu_to_le64(addr); 322 sg->addr = cpu_to_le64(addr);
323 } 323 }
324 324
325 static inline bool dpaa2_sg_short_len(const st 325 static inline bool dpaa2_sg_short_len(const struct dpaa2_sg_entry *sg)
326 { 326 {
327 return !!((le16_to_cpu(sg->format_offs 327 return !!((le16_to_cpu(sg->format_offset) >> SG_SHORT_LEN_FLAG_SHIFT)
328 & SG_SHORT_LEN_FLAG_MASK); 328 & SG_SHORT_LEN_FLAG_MASK);
329 } 329 }
330 330
331 /** 331 /**
332 * dpaa2_sg_get_len() - Get the length in SG e 332 * dpaa2_sg_get_len() - Get the length in SG entry
333 * @sg: the given scatter-gathering object 333 * @sg: the given scatter-gathering object
334 * 334 *
335 * Return the length. 335 * Return the length.
336 */ 336 */
337 static inline u32 dpaa2_sg_get_len(const struc 337 static inline u32 dpaa2_sg_get_len(const struct dpaa2_sg_entry *sg)
338 { 338 {
339 if (dpaa2_sg_short_len(sg)) 339 if (dpaa2_sg_short_len(sg))
340 return le32_to_cpu(sg->len) & 340 return le32_to_cpu(sg->len) & SG_SHORT_LEN_MASK;
341 341
342 return le32_to_cpu(sg->len); 342 return le32_to_cpu(sg->len);
343 } 343 }
344 344
345 /** 345 /**
346 * dpaa2_sg_set_len() - Set the length in SG e 346 * dpaa2_sg_set_len() - Set the length in SG entry
347 * @sg: the given scatter-gathering object 347 * @sg: the given scatter-gathering object
348 * @len: the length to be set 348 * @len: the length to be set
349 */ 349 */
350 static inline void dpaa2_sg_set_len(struct dpa 350 static inline void dpaa2_sg_set_len(struct dpaa2_sg_entry *sg, u32 len)
351 { 351 {
352 sg->len = cpu_to_le32(len); 352 sg->len = cpu_to_le32(len);
353 } 353 }
354 354
355 /** 355 /**
356 * dpaa2_sg_get_offset() - Get the offset in S 356 * dpaa2_sg_get_offset() - Get the offset in SG entry
357 * @sg: the given scatter-gathering object 357 * @sg: the given scatter-gathering object
358 * 358 *
359 * Return the offset. 359 * Return the offset.
360 */ 360 */
361 static inline u16 dpaa2_sg_get_offset(const st 361 static inline u16 dpaa2_sg_get_offset(const struct dpaa2_sg_entry *sg)
362 { 362 {
363 return le16_to_cpu(sg->format_offset) 363 return le16_to_cpu(sg->format_offset) & SG_OFFSET_MASK;
364 } 364 }
365 365
366 /** 366 /**
367 * dpaa2_sg_set_offset() - Set the offset in S 367 * dpaa2_sg_set_offset() - Set the offset in SG entry
368 * @sg: the given scatter-gathering object 368 * @sg: the given scatter-gathering object
369 * @offset: the offset to be set 369 * @offset: the offset to be set
370 */ 370 */
371 static inline void dpaa2_sg_set_offset(struct 371 static inline void dpaa2_sg_set_offset(struct dpaa2_sg_entry *sg,
372 u16 off 372 u16 offset)
373 { 373 {
374 sg->format_offset &= cpu_to_le16(~SG_O 374 sg->format_offset &= cpu_to_le16(~SG_OFFSET_MASK);
375 sg->format_offset |= cpu_to_le16(offse 375 sg->format_offset |= cpu_to_le16(offset);
376 } 376 }
377 377
378 /** 378 /**
379 * dpaa2_sg_get_format() - Get the SG format i 379 * dpaa2_sg_get_format() - Get the SG format in SG entry
380 * @sg: the given scatter-gathering object 380 * @sg: the given scatter-gathering object
381 * 381 *
382 * Return the format. 382 * Return the format.
383 */ 383 */
384 static inline enum dpaa2_sg_format 384 static inline enum dpaa2_sg_format
385 dpaa2_sg_get_format(const struct dpaa2 385 dpaa2_sg_get_format(const struct dpaa2_sg_entry *sg)
386 { 386 {
387 return (enum dpaa2_sg_format)((le16_to 387 return (enum dpaa2_sg_format)((le16_to_cpu(sg->format_offset)
388 >> SG_F 388 >> SG_FORMAT_SHIFT) & SG_FORMAT_MASK);
389 } 389 }
390 390
391 /** 391 /**
392 * dpaa2_sg_set_format() - Set the SG format i 392 * dpaa2_sg_set_format() - Set the SG format in SG entry
393 * @sg: the given scatter-gathering object 393 * @sg: the given scatter-gathering object
394 * @format: the format to be set 394 * @format: the format to be set
395 */ 395 */
396 static inline void dpaa2_sg_set_format(struct 396 static inline void dpaa2_sg_set_format(struct dpaa2_sg_entry *sg,
397 enum dp 397 enum dpaa2_sg_format format)
398 { 398 {
399 sg->format_offset &= cpu_to_le16(~(SG_ 399 sg->format_offset &= cpu_to_le16(~(SG_FORMAT_MASK << SG_FORMAT_SHIFT));
400 sg->format_offset |= cpu_to_le16(forma 400 sg->format_offset |= cpu_to_le16(format << SG_FORMAT_SHIFT);
401 } 401 }
402 402
403 /** 403 /**
404 * dpaa2_sg_get_bpid() - Get the buffer pool i 404 * dpaa2_sg_get_bpid() - Get the buffer pool id in SG entry
405 * @sg: the given scatter-gathering object 405 * @sg: the given scatter-gathering object
406 * 406 *
407 * Return the bpid. 407 * Return the bpid.
408 */ 408 */
409 static inline u16 dpaa2_sg_get_bpid(const stru 409 static inline u16 dpaa2_sg_get_bpid(const struct dpaa2_sg_entry *sg)
410 { 410 {
411 return le16_to_cpu(sg->bpid) & SG_BPID 411 return le16_to_cpu(sg->bpid) & SG_BPID_MASK;
412 } 412 }
413 413
414 /** 414 /**
415 * dpaa2_sg_set_bpid() - Set the buffer pool i 415 * dpaa2_sg_set_bpid() - Set the buffer pool id in SG entry
416 * @sg: the given scatter-gathering object 416 * @sg: the given scatter-gathering object
417 * @bpid: the bpid to be set 417 * @bpid: the bpid to be set
418 */ 418 */
419 static inline void dpaa2_sg_set_bpid(struct dp 419 static inline void dpaa2_sg_set_bpid(struct dpaa2_sg_entry *sg, u16 bpid)
420 { 420 {
421 sg->bpid &= cpu_to_le16(~(SG_BPID_MASK 421 sg->bpid &= cpu_to_le16(~(SG_BPID_MASK));
422 sg->bpid |= cpu_to_le16(bpid); 422 sg->bpid |= cpu_to_le16(bpid);
423 } 423 }
424 424
425 /** 425 /**
426 * dpaa2_sg_is_final() - Check final bit in SG 426 * dpaa2_sg_is_final() - Check final bit in SG entry
427 * @sg: the given scatter-gathering object 427 * @sg: the given scatter-gathering object
428 * 428 *
429 * Return bool. 429 * Return bool.
430 */ 430 */
431 static inline bool dpaa2_sg_is_final(const str 431 static inline bool dpaa2_sg_is_final(const struct dpaa2_sg_entry *sg)
432 { 432 {
433 return !!(le16_to_cpu(sg->format_offse 433 return !!(le16_to_cpu(sg->format_offset) >> SG_FINAL_FLAG_SHIFT);
434 } 434 }
435 435
436 /** 436 /**
437 * dpaa2_sg_set_final() - Set the final bit in 437 * dpaa2_sg_set_final() - Set the final bit in SG entry
438 * @sg: the given scatter-gathering object 438 * @sg: the given scatter-gathering object
439 * @final: the final boolean to be set 439 * @final: the final boolean to be set
440 */ 440 */
441 static inline void dpaa2_sg_set_final(struct d 441 static inline void dpaa2_sg_set_final(struct dpaa2_sg_entry *sg, bool final)
442 { 442 {
443 sg->format_offset &= cpu_to_le16((~(SG 443 sg->format_offset &= cpu_to_le16((~(SG_FINAL_FLAG_MASK
444 << SG 444 << SG_FINAL_FLAG_SHIFT)) & 0xFFFF);
445 sg->format_offset |= cpu_to_le16(final 445 sg->format_offset |= cpu_to_le16(final << SG_FINAL_FLAG_SHIFT);
446 } 446 }
447 447
448 /** 448 /**
449 * struct dpaa2_fl_entry - structure for frame 449 * struct dpaa2_fl_entry - structure for frame list entry.
450 * @addr: address in the FLE 450 * @addr: address in the FLE
451 * @len: length in the FLE 451 * @len: length in the FLE
452 * @bpid: buffer pool ID 452 * @bpid: buffer pool ID
453 * @format_offset: format, offset, and short-l 453 * @format_offset: format, offset, and short-length fields
454 * @frc: frame context 454 * @frc: frame context
455 * @ctrl: control bits...including pt 455 * @ctrl: control bits...including pta, pvt1, pvt2, err, etc
456 * @flc: flow context address 456 * @flc: flow context address
457 */ 457 */
458 struct dpaa2_fl_entry { 458 struct dpaa2_fl_entry {
459 __le64 addr; 459 __le64 addr;
460 __le32 len; 460 __le32 len;
461 __le16 bpid; 461 __le16 bpid;
462 __le16 format_offset; 462 __le16 format_offset;
463 __le32 frc; 463 __le32 frc;
464 __le32 ctrl; 464 __le32 ctrl;
465 __le64 flc; 465 __le64 flc;
466 }; 466 };
467 467
468 enum dpaa2_fl_format { 468 enum dpaa2_fl_format {
469 dpaa2_fl_single = 0, 469 dpaa2_fl_single = 0,
470 dpaa2_fl_res, 470 dpaa2_fl_res,
471 dpaa2_fl_sg 471 dpaa2_fl_sg
472 }; 472 };
473 473
474 /** 474 /**
475 * dpaa2_fl_get_addr() - get the addr field of 475 * dpaa2_fl_get_addr() - get the addr field of FLE
476 * @fle: the given frame list entry 476 * @fle: the given frame list entry
477 * 477 *
478 * Return the address in the frame list entry. 478 * Return the address in the frame list entry.
479 */ 479 */
480 static inline dma_addr_t dpaa2_fl_get_addr(con 480 static inline dma_addr_t dpaa2_fl_get_addr(const struct dpaa2_fl_entry *fle)
481 { 481 {
482 return (dma_addr_t)le64_to_cpu(fle->ad 482 return (dma_addr_t)le64_to_cpu(fle->addr);
483 } 483 }
484 484
485 /** 485 /**
486 * dpaa2_fl_set_addr() - Set the addr field of 486 * dpaa2_fl_set_addr() - Set the addr field of FLE
487 * @fle: the given frame list entry 487 * @fle: the given frame list entry
488 * @addr: the address needs to be set in frame 488 * @addr: the address needs to be set in frame list entry
489 */ 489 */
490 static inline void dpaa2_fl_set_addr(struct dp 490 static inline void dpaa2_fl_set_addr(struct dpaa2_fl_entry *fle,
491 dma_addr_ 491 dma_addr_t addr)
492 { 492 {
493 fle->addr = cpu_to_le64(addr); 493 fle->addr = cpu_to_le64(addr);
494 } 494 }
495 495
496 /** 496 /**
497 * dpaa2_fl_get_frc() - Get the frame context 497 * dpaa2_fl_get_frc() - Get the frame context in the FLE
498 * @fle: the given frame list entry 498 * @fle: the given frame list entry
499 * 499 *
500 * Return the frame context field in the frame 500 * Return the frame context field in the frame lsit entry.
501 */ 501 */
502 static inline u32 dpaa2_fl_get_frc(const struc 502 static inline u32 dpaa2_fl_get_frc(const struct dpaa2_fl_entry *fle)
503 { 503 {
504 return le32_to_cpu(fle->frc); 504 return le32_to_cpu(fle->frc);
505 } 505 }
506 506
507 /** 507 /**
508 * dpaa2_fl_set_frc() - Set the frame context 508 * dpaa2_fl_set_frc() - Set the frame context in the FLE
509 * @fle: the given frame list entry 509 * @fle: the given frame list entry
510 * @frc: the frame context needs to be set in 510 * @frc: the frame context needs to be set in frame list entry
511 */ 511 */
512 static inline void dpaa2_fl_set_frc(struct dpa 512 static inline void dpaa2_fl_set_frc(struct dpaa2_fl_entry *fle, u32 frc)
513 { 513 {
514 fle->frc = cpu_to_le32(frc); 514 fle->frc = cpu_to_le32(frc);
515 } 515 }
516 516
517 /** 517 /**
518 * dpaa2_fl_get_ctrl() - Get the control bits 518 * dpaa2_fl_get_ctrl() - Get the control bits in the FLE
519 * @fle: the given frame list entry 519 * @fle: the given frame list entry
520 * 520 *
521 * Return the control bits field in the frame 521 * Return the control bits field in the frame list entry.
522 */ 522 */
523 static inline u32 dpaa2_fl_get_ctrl(const stru 523 static inline u32 dpaa2_fl_get_ctrl(const struct dpaa2_fl_entry *fle)
524 { 524 {
525 return le32_to_cpu(fle->ctrl); 525 return le32_to_cpu(fle->ctrl);
526 } 526 }
527 527
528 /** 528 /**
529 * dpaa2_fl_set_ctrl() - Set the control bits 529 * dpaa2_fl_set_ctrl() - Set the control bits in the FLE
530 * @fle: the given frame list entry 530 * @fle: the given frame list entry
531 * @ctrl: the control bits to be set in the fr 531 * @ctrl: the control bits to be set in the frame list entry
532 */ 532 */
533 static inline void dpaa2_fl_set_ctrl(struct dp 533 static inline void dpaa2_fl_set_ctrl(struct dpaa2_fl_entry *fle, u32 ctrl)
534 { 534 {
535 fle->ctrl = cpu_to_le32(ctrl); 535 fle->ctrl = cpu_to_le32(ctrl);
536 } 536 }
537 537
538 /** 538 /**
539 * dpaa2_fl_get_flc() - Get the flow context i 539 * dpaa2_fl_get_flc() - Get the flow context in the FLE
540 * @fle: the given frame list entry 540 * @fle: the given frame list entry
541 * 541 *
542 * Return the flow context in the frame list e 542 * Return the flow context in the frame list entry.
543 */ 543 */
544 static inline dma_addr_t dpaa2_fl_get_flc(cons 544 static inline dma_addr_t dpaa2_fl_get_flc(const struct dpaa2_fl_entry *fle)
545 { 545 {
546 return (dma_addr_t)le64_to_cpu(fle->fl 546 return (dma_addr_t)le64_to_cpu(fle->flc);
547 } 547 }
548 548
549 /** 549 /**
550 * dpaa2_fl_set_flc() - Set the flow context f 550 * dpaa2_fl_set_flc() - Set the flow context field of FLE
551 * @fle: the given frame list entry 551 * @fle: the given frame list entry
552 * @flc_addr: the flow context needs to be set 552 * @flc_addr: the flow context needs to be set in frame list entry
553 */ 553 */
554 static inline void dpaa2_fl_set_flc(struct dpa 554 static inline void dpaa2_fl_set_flc(struct dpaa2_fl_entry *fle,
555 dma_addr_t 555 dma_addr_t flc_addr)
556 { 556 {
557 fle->flc = cpu_to_le64(flc_addr); 557 fle->flc = cpu_to_le64(flc_addr);
558 } 558 }
559 559
560 static inline bool dpaa2_fl_short_len(const st 560 static inline bool dpaa2_fl_short_len(const struct dpaa2_fl_entry *fle)
561 { 561 {
562 return !!((le16_to_cpu(fle->format_off 562 return !!((le16_to_cpu(fle->format_offset) >>
563 FL_SHORT_LEN_FLAG_SHIFT) & F 563 FL_SHORT_LEN_FLAG_SHIFT) & FL_SHORT_LEN_FLAG_MASK);
564 } 564 }
565 565
566 /** 566 /**
567 * dpaa2_fl_get_len() - Get the length in the 567 * dpaa2_fl_get_len() - Get the length in the FLE
568 * @fle: the given frame list entry 568 * @fle: the given frame list entry
569 * 569 *
570 * Return the length field in the frame list e 570 * Return the length field in the frame list entry.
571 */ 571 */
572 static inline u32 dpaa2_fl_get_len(const struc 572 static inline u32 dpaa2_fl_get_len(const struct dpaa2_fl_entry *fle)
573 { 573 {
574 if (dpaa2_fl_short_len(fle)) 574 if (dpaa2_fl_short_len(fle))
575 return le32_to_cpu(fle->len) & 575 return le32_to_cpu(fle->len) & FL_SHORT_LEN_MASK;
576 576
577 return le32_to_cpu(fle->len); 577 return le32_to_cpu(fle->len);
578 } 578 }
579 579
580 /** 580 /**
581 * dpaa2_fl_set_len() - Set the length field o 581 * dpaa2_fl_set_len() - Set the length field of FLE
582 * @fle: the given frame list entry 582 * @fle: the given frame list entry
583 * @len: the length needs to be set in frame l 583 * @len: the length needs to be set in frame list entry
584 */ 584 */
585 static inline void dpaa2_fl_set_len(struct dpa 585 static inline void dpaa2_fl_set_len(struct dpaa2_fl_entry *fle, u32 len)
586 { 586 {
587 fle->len = cpu_to_le32(len); 587 fle->len = cpu_to_le32(len);
588 } 588 }
589 589
590 /** 590 /**
591 * dpaa2_fl_get_offset() - Get the offset fiel 591 * dpaa2_fl_get_offset() - Get the offset field in the frame list entry
592 * @fle: the given frame list entry 592 * @fle: the given frame list entry
593 * 593 *
594 * Return the offset. 594 * Return the offset.
595 */ 595 */
596 static inline u16 dpaa2_fl_get_offset(const st 596 static inline u16 dpaa2_fl_get_offset(const struct dpaa2_fl_entry *fle)
597 { 597 {
598 return le16_to_cpu(fle->format_offset) 598 return le16_to_cpu(fle->format_offset) & FL_OFFSET_MASK;
599 } 599 }
600 600
601 /** 601 /**
602 * dpaa2_fl_set_offset() - Set the offset fiel 602 * dpaa2_fl_set_offset() - Set the offset field of FLE
603 * @fle: the given frame list entry 603 * @fle: the given frame list entry
604 * @offset: the offset needs to be set in fram 604 * @offset: the offset needs to be set in frame list entry
605 */ 605 */
606 static inline void dpaa2_fl_set_offset(struct 606 static inline void dpaa2_fl_set_offset(struct dpaa2_fl_entry *fle, u16 offset)
607 { 607 {
608 fle->format_offset &= cpu_to_le16(~FL_ 608 fle->format_offset &= cpu_to_le16(~FL_OFFSET_MASK);
609 fle->format_offset |= cpu_to_le16(offs 609 fle->format_offset |= cpu_to_le16(offset);
610 } 610 }
611 611
612 /** 612 /**
613 * dpaa2_fl_get_format() - Get the format fiel 613 * dpaa2_fl_get_format() - Get the format field in the FLE
614 * @fle: the given frame list entry 614 * @fle: the given frame list entry
615 * 615 *
616 * Return the format. 616 * Return the format.
617 */ 617 */
618 static inline enum dpaa2_fl_format dpaa2_fl_ge 618 static inline enum dpaa2_fl_format dpaa2_fl_get_format(const struct dpaa2_fl_entry *fle)
619 { 619 {
620 return (enum dpaa2_fl_format)((le16_to 620 return (enum dpaa2_fl_format)((le16_to_cpu(fle->format_offset) >>
621 FL_FORM 621 FL_FORMAT_SHIFT) & FL_FORMAT_MASK);
622 } 622 }
623 623
624 /** 624 /**
625 * dpaa2_fl_set_format() - Set the format fiel 625 * dpaa2_fl_set_format() - Set the format field of FLE
626 * @fle: the given frame list entry 626 * @fle: the given frame list entry
627 * @format: the format needs to be set in fram 627 * @format: the format needs to be set in frame list entry
628 */ 628 */
629 static inline void dpaa2_fl_set_format(struct 629 static inline void dpaa2_fl_set_format(struct dpaa2_fl_entry *fle,
630 enum dp 630 enum dpaa2_fl_format format)
631 { 631 {
632 fle->format_offset &= cpu_to_le16(~(FL 632 fle->format_offset &= cpu_to_le16(~(FL_FORMAT_MASK << FL_FORMAT_SHIFT));
633 fle->format_offset |= cpu_to_le16(form 633 fle->format_offset |= cpu_to_le16(format << FL_FORMAT_SHIFT);
634 } 634 }
635 635
636 /** 636 /**
637 * dpaa2_fl_get_bpid() - Get the bpid field in 637 * dpaa2_fl_get_bpid() - Get the bpid field in the FLE
638 * @fle: the given frame list entry 638 * @fle: the given frame list entry
639 * 639 *
640 * Return the buffer pool id. 640 * Return the buffer pool id.
641 */ 641 */
642 static inline u16 dpaa2_fl_get_bpid(const stru 642 static inline u16 dpaa2_fl_get_bpid(const struct dpaa2_fl_entry *fle)
643 { 643 {
644 return le16_to_cpu(fle->bpid) & FL_BPI 644 return le16_to_cpu(fle->bpid) & FL_BPID_MASK;
645 } 645 }
646 646
647 /** 647 /**
648 * dpaa2_fl_set_bpid() - Set the bpid field of 648 * dpaa2_fl_set_bpid() - Set the bpid field of FLE
649 * @fle: the given frame list entry 649 * @fle: the given frame list entry
650 * @bpid: buffer pool id to be set 650 * @bpid: buffer pool id to be set
651 */ 651 */
652 static inline void dpaa2_fl_set_bpid(struct dp 652 static inline void dpaa2_fl_set_bpid(struct dpaa2_fl_entry *fle, u16 bpid)
653 { 653 {
654 fle->bpid &= cpu_to_le16(~(FL_BPID_MAS 654 fle->bpid &= cpu_to_le16(~(FL_BPID_MASK));
655 fle->bpid |= cpu_to_le16(bpid); 655 fle->bpid |= cpu_to_le16(bpid);
656 } 656 }
657 657
658 /** 658 /**
659 * dpaa2_fl_is_final() - Check final bit in FL 659 * dpaa2_fl_is_final() - Check final bit in FLE
660 * @fle: the given frame list entry 660 * @fle: the given frame list entry
661 * 661 *
662 * Return bool. 662 * Return bool.
663 */ 663 */
664 static inline bool dpaa2_fl_is_final(const str 664 static inline bool dpaa2_fl_is_final(const struct dpaa2_fl_entry *fle)
665 { 665 {
666 return !!(le16_to_cpu(fle->format_offs 666 return !!(le16_to_cpu(fle->format_offset) >> FL_FINAL_FLAG_SHIFT);
667 } 667 }
668 668
669 /** 669 /**
670 * dpaa2_fl_set_final() - Set the final bit in 670 * dpaa2_fl_set_final() - Set the final bit in FLE
671 * @fle: the given frame list entry 671 * @fle: the given frame list entry
672 * @final: the final boolean to be set 672 * @final: the final boolean to be set
673 */ 673 */
674 static inline void dpaa2_fl_set_final(struct d 674 static inline void dpaa2_fl_set_final(struct dpaa2_fl_entry *fle, bool final)
675 { 675 {
676 fle->format_offset &= cpu_to_le16((~(F 676 fle->format_offset &= cpu_to_le16((~(FL_FINAL_FLAG_MASK <<
677 F 677 FL_FINAL_FLAG_SHIFT)) & 0xFFFF);
678 fle->format_offset |= cpu_to_le16(fina 678 fle->format_offset |= cpu_to_le16(final << FL_FINAL_FLAG_SHIFT);
679 } 679 }
680 680
681 #endif /* __FSL_DPAA2_FD_H */ 681 #endif /* __FSL_DPAA2_FD_H */
682 682
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