diff options
Diffstat (limited to 'src/drivers/net/mlx_ipoib/bit_ops.h')
| -rw-r--r-- | src/drivers/net/mlx_ipoib/bit_ops.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/src/drivers/net/mlx_ipoib/bit_ops.h b/src/drivers/net/mlx_ipoib/bit_ops.h deleted file mode 100644 index e3fb4331..00000000 --- a/src/drivers/net/mlx_ipoib/bit_ops.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - This software is available to you under a choice of one of two - licenses. You may choose to be licensed under the terms of the GNU - General Public License (GPL) Version 2, available at - <http://www.fsf.org/copyleft/gpl.html>, or the OpenIB.org BSD - license, available in the LICENSE.TXT file accompanying this - software. These details are also available at - <http://openib.org/license.html>. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - SOFTWARE. - - Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. -*/ - -#ifndef __bit_ops_h__ -#define __bit_ops_h__ - -typedef unsigned long MT_offset_t; -typedef unsigned long MT_size_t; -typedef unsigned char pseudo_bit_t; -struct addr_64_st { - __u32 addr_l; - __u32 addr_h; -}; - -#define MT_BIT_OFFSET(object_struct,reg_path) \ - ((MT_offset_t) &( ((struct object_struct *)(0))-> reg_path )) - -#define MT_BIT_SIZE(object_struct,reg_path) \ - ((MT_size_t) sizeof( ((struct object_struct *)(0))-> reg_path )) - -#define MT_BIT_OFFSET_SIZE(object_struct,reg_path) \ - MT_BIT_OFFSET(object_struct,reg_path),MT_BIT_SIZE(object_struct,reg_path) - -#define MT_BYTE_OFFSET(object_struct,reg_path) \ - ((MT_offset_t) (MT_BIT_OFFSET(object_struct,reg_path)/8)) - -#define MT_BYTE_SIZE(object_struct,reg_path) \ - ((MT_size_t) MT_BIT_SIZE(object_struct,reg_path)/8) - -#define MT_BYTE_OFFSET_SIZE(object_struct,reg_path) \ - MT_BYTE_OFFSET(object_struct,reg_path),MT_BYTE_SIZE(object_struct,reg_path) - -#define MT_STRUCT_SIZE(object_struct) (sizeof(struct object_struct) >> 3) - -/***************************************************************************************** - * Bit manipulation macros - *****************************************************************************************/ - -/* MASK generate a bit mask S bits width */ -#define MASK32(S) ( ((__u32) ~0L) >> (32-(S)) ) - -/* - * BITS generate a bit mask with bits O+S..O set (assumes 32 bit integer). - * numbering bits as following: 31........................76543210 - */ -#define BITS32(O,S) ( MASK32(S) << (O) ) - -/* - * MT_EXTRACT32 macro extracts S bits from (__u32)W with offset O - * and shifts them O places to the right (right justifies the field extracted). - */ -#define MT_EXTRACT32(W,O,S) ( ((W)>>(O)) & MASK32(S) ) - -/* - * MT_INSERT32 macro inserts S bits with offset O from field F into word W (__u32) - */ -#define MT_INSERT32(W,F,O,S) ((W)= ( ( (W) & (~BITS32(O,S)) ) | (((F) & MASK32(S))<<(O)) )) - -/* - * MT_EXTRACT_ARRAY32 macro is similar to EXTRACT but works on an array of (__u32), - * thus offset may be larger than 32 (but not size). - */ -#define MT_EXTRACT_ARRAY32(A,O,S) MT_EXTRACT32(((__u32*)A)[O >> 5],(O & MASK32(5)),S) - -/* - * MT_INSERT_ARRAY32 macro is similar to INSERT but works on an array of (__u32), - * thus offset may be larger than 32 (but not size). - */ -#define MT_INSERT_ARRAY32(A,F,O,S) MT_INSERT32(((__u32*)A)[O >> 5],F,(O & MASK32(5)),S) - -#define INS_FLD(src, a, st, fld) MT_INSERT_ARRAY32(a, src, MT_BIT_OFFSET(st, fld), MT_BIT_SIZE(st, fld)) - -#define EX_FLD(a, st, fld) MT_EXTRACT_ARRAY32(a, MT_BIT_OFFSET(st, fld), MT_BIT_SIZE(st, fld)) - -/* return the address of the dword holding the field - - buf = pointer to buffer where to place the value - st = struct describing the buffer - fld = field in the struct where to insert the value */ - -#define FLD_DW_ADDR(buf, st, fld) ((__u32 *)((__u32 *)(buf)+(((__u32)(&(((struct st *)(0))->fld))) >> 5))) - -/* - val = value to insert - buf = pointer to buffer where to place the value - st = struct describing the buffer - fld = field in the struct where to insert the value */ - -#define INS_FLD_TO_BE(val, buf, st, fld) \ - do { \ - *FLD_DW_ADDR(buf, st, fld) = be32_to_cpu(*FLD_DW_ADDR(buf, st, fld)); \ - INS_FLD(val, buf, st, fld); \ - *FLD_DW_ADDR(buf, st, fld) = cpu_to_be32(*FLD_DW_ADDR(buf, st, fld)); \ - } \ - while(0) - -#define EX_FLD_FROM_BE(buf, st, fld, type) \ -({ \ - type field; \ - \ - *FLD_DW_ADDR(buf, st, fld) = be32_to_cpu(*FLD_DW_ADDR(buf, st, fld)); \ - field= EX_FLD(buf, st, fld); \ - *FLD_DW_ADDR(buf, st, fld) = cpu_to_be32(*FLD_DW_ADDR(buf, st, fld)); \ - \ - field; \ -}) - -#endif /* __bit_ops_h__ */ |