Linux kernel & device driver programming

Cross-Referenced Linux and Device Driver Code

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Version: [ 2.6.11.8 ] [ 2.6.25 ] [ 2.6.25.8 ] [ 2.6.31.13 ] Architecture: [ i386 ]
  1 /*
  2  * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.
  3  *
  4  * This software is available to you under a choice of one of two
  5  * licenses.  You may choose to be licensed under the terms of the GNU
  6  * General Public License (GPL) Version 2, available from the file
  7  * COPYING in the main directory of this source tree, or the
  8  * OpenIB.org BSD license below:
  9  *
 10  *     Redistribution and use in source and binary forms, with or
 11  *     without modification, are permitted provided that the following
 12  *     conditions are met:
 13  *
 14  *      - Redistributions of source code must retain the above
 15  *        copyright notice, this list of conditions and the following
 16  *        disclaimer.
 17  *
 18  *      - Redistributions in binary form must reproduce the above
 19  *        copyright notice, this list of conditions and the following
 20  *        disclaimer in the documentation and/or other materials
 21  *        provided with the distribution.
 22  *
 23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 30  * SOFTWARE.
 31  */
 32 #ifndef __CHIOCTL_H__
 33 #define __CHIOCTL_H__
 34 
 35 /*
 36  * Ioctl commands specific to this driver.
 37  */
 38 enum {
 39         CHELSIO_GETMTUTAB               = 1029,
 40         CHELSIO_SETMTUTAB               = 1030,
 41         CHELSIO_SET_PM                  = 1032,
 42         CHELSIO_GET_PM                  = 1033,
 43         CHELSIO_GET_MEM                 = 1038,
 44         CHELSIO_LOAD_FW                 = 1041,
 45         CHELSIO_SET_TRACE_FILTER        = 1044,
 46         CHELSIO_SET_QSET_PARAMS         = 1045,
 47         CHELSIO_GET_QSET_PARAMS         = 1046,
 48         CHELSIO_SET_QSET_NUM            = 1047,
 49         CHELSIO_GET_QSET_NUM            = 1048,
 50 };
 51 
 52 struct ch_reg {
 53         uint32_t cmd;
 54         uint32_t addr;
 55         uint32_t val;
 56 };
 57 
 58 struct ch_cntxt {
 59         uint32_t cmd;
 60         uint32_t cntxt_type;
 61         uint32_t cntxt_id;
 62         uint32_t data[4];
 63 };
 64 
 65 /* context types */
 66 enum { CNTXT_TYPE_EGRESS, CNTXT_TYPE_FL, CNTXT_TYPE_RSP, CNTXT_TYPE_CQ };
 67 
 68 struct ch_desc {
 69         uint32_t cmd;
 70         uint32_t queue_num;
 71         uint32_t idx;
 72         uint32_t size;
 73         uint8_t data[128];
 74 };
 75 
 76 struct ch_mem_range {
 77         uint32_t cmd;
 78         uint32_t mem_id;
 79         uint32_t addr;
 80         uint32_t len;
 81         uint32_t version;
 82         uint8_t buf[0];
 83 };
 84 
 85 struct ch_qset_params {
 86         uint32_t cmd;
 87         uint32_t qset_idx;
 88         int32_t txq_size[3];
 89         int32_t rspq_size;
 90         int32_t fl_size[2];
 91         int32_t intr_lat;
 92         int32_t polling;
 93         int32_t lro;
 94         int32_t cong_thres;
 95         int32_t  vector;
 96         int32_t  qnum;
 97 };
 98 
 99 struct ch_pktsched_params {
100         uint32_t cmd;
101         uint8_t sched;
102         uint8_t idx;
103         uint8_t min;
104         uint8_t max;
105         uint8_t binding;
106 };
107 
108 #ifndef TCB_SIZE
109 # define TCB_SIZE   128
110 #endif
111 
112 /* TCB size in 32-bit words */
113 #define TCB_WORDS (TCB_SIZE / 4)
114 
115 enum { MEM_CM, MEM_PMRX, MEM_PMTX };    /* ch_mem_range.mem_id values */
116 
117 struct ch_mtus {
118         uint32_t cmd;
119         uint32_t nmtus;
120         uint16_t mtus[NMTUS];
121 };
122 
123 struct ch_pm {
124         uint32_t cmd;
125         uint32_t tx_pg_sz;
126         uint32_t tx_num_pg;
127         uint32_t rx_pg_sz;
128         uint32_t rx_num_pg;
129         uint32_t pm_total;
130 };
131 
132 struct ch_tcam {
133         uint32_t cmd;
134         uint32_t tcam_size;
135         uint32_t nservers;
136         uint32_t nroutes;
137         uint32_t nfilters;
138 };
139 
140 struct ch_tcb {
141         uint32_t cmd;
142         uint32_t tcb_index;
143         uint32_t tcb_data[TCB_WORDS];
144 };
145 
146 struct ch_tcam_word {
147         uint32_t cmd;
148         uint32_t addr;
149         uint32_t buf[3];
150 };
151 
152 struct ch_trace {
153         uint32_t cmd;
154         uint32_t sip;
155         uint32_t sip_mask;
156         uint32_t dip;
157         uint32_t dip_mask;
158         uint16_t sport;
159         uint16_t sport_mask;
160         uint16_t dport;
161         uint16_t dport_mask;
162         uint32_t vlan:12;
163         uint32_t vlan_mask:12;
164         uint32_t intf:4;
165         uint32_t intf_mask:4;
166         uint8_t proto;
167         uint8_t proto_mask;
168         uint8_t invert_match:1;
169         uint8_t config_tx:1;
170         uint8_t config_rx:1;
171         uint8_t trace_tx:1;
172         uint8_t trace_rx:1;
173 };
174 
175 #define SIOCCHIOCTL SIOCDEVPRIVATE
176 
177 #endif
178 
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