2 * Copyright (C) 2005 - 2008 ServerEngines
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
10 * Contact Information:
11 * linux-drivers@serverengines.com
14 * 209 N. Fair Oaks Ave
18 * Autogenerated by srcgen version: 0127
20 #ifndef __doorbells_amap_h__
21 #define __doorbells_amap_h__
23 /* The TX/RDMA send queue doorbell. */
24 struct BE_SQ_DB_AMAP {
25 u8 cid[11]; /* DWORD 0 */
26 u8 rsvd0[5]; /* DWORD 0 */
27 u8 numPosted[14]; /* DWORD 0 */
28 u8 rsvd1[2]; /* DWORD 0 */
34 /* The receive queue doorbell. */
35 struct BE_RQ_DB_AMAP {
36 u8 rq[10]; /* DWORD 0 */
37 u8 rsvd0[13]; /* DWORD 0 */
38 u8 Invalidate; /* DWORD 0 */
39 u8 numPosted[8]; /* DWORD 0 */
46 * The CQ/EQ doorbell. Software MUST set reserved fields in this
47 * descriptor to zero, otherwise (CEV) hardware will not execute the
48 * doorbell (flagging a bad_db_qid error instead).
50 struct BE_CQ_DB_AMAP {
51 u8 qid[10]; /* DWORD 0 */
52 u8 rsvd0[4]; /* DWORD 0 */
53 u8 rearm; /* DWORD 0 */
54 u8 event; /* DWORD 0 */
55 u8 num_popped[13]; /* DWORD 0 */
56 u8 rsvd1[3]; /* DWORD 0 */
62 struct BE_TPM_RQ_DB_AMAP {
63 u8 qid[10]; /* DWORD 0 */
64 u8 rsvd0[6]; /* DWORD 0 */
65 u8 numPosted[11]; /* DWORD 0 */
66 u8 mss_cnt[5]; /* DWORD 0 */
68 struct TPM_RQ_DB_AMAP {
73 * Post WRB Queue Doorbell Register used by the host Storage stack
74 * to notify the controller of a posted Work Request Block
76 struct BE_WRB_POST_DB_AMAP {
77 u8 wrb_cid[10]; /* DWORD 0 */
78 u8 rsvd0[6]; /* DWORD 0 */
79 u8 wrb_index[8]; /* DWORD 0 */
80 u8 numberPosted[8]; /* DWORD 0 */
82 struct WRB_POST_DB_AMAP {
87 * Update Default PDU Queue Doorbell Register used to communicate
88 * to the controller that the driver has stopped processing the queue
89 * and where in the queue it stopped, this is
90 * a CQ Entry Type. Used by storage driver.
92 struct BE_DEFAULT_PDU_DB_AMAP {
93 u8 qid[10]; /* DWORD 0 */
94 u8 rsvd0[4]; /* DWORD 0 */
95 u8 rearm; /* DWORD 0 */
96 u8 event; /* DWORD 0 */
97 u8 cqproc[14]; /* DWORD 0 */
98 u8 rsvd1[2]; /* DWORD 0 */
100 struct DEFAULT_PDU_DB_AMAP {
104 /* Management Command and Controller default fragment ring */
105 struct BE_MCC_DB_AMAP {
106 u8 rid[11]; /* DWORD 0 */
107 u8 rsvd0[5]; /* DWORD 0 */
108 u8 numPosted[14]; /* DWORD 0 */
109 u8 rsvd1[2]; /* DWORD 0 */
116 * Used for bootstrapping the Host interface. This register is
117 * used for driver communication with the MPU when no MCC Rings exist.
118 * The software must write this register twice to post any MCC
119 * command. First, it writes the register with hi=1 and the upper bits of
120 * the physical address for the MCC_MAILBOX structure. Software must poll
121 * the ready bit until this is acknowledged. Then, sotware writes the
122 * register with hi=0 with the lower bits in the address. It must
123 * poll the ready bit until the MCC command is complete. Upon completion,
124 * the MCC_MAILBOX will contain a valid completion queue entry.
126 struct BE_MPU_MAILBOX_DB_AMAP {
127 u8 ready; /* DWORD 0 */
129 u8 address[30]; /* DWORD 0 */
131 struct MPU_MAILBOX_DB_AMAP {
136 * This is the protection domain doorbell register map. Note that
137 * while this map shows doorbells for all Blade Engine supported
138 * protocols, not all of these may be valid in a given function or
139 * protection domain. It is the responsibility of the application
140 * accessing the doorbells to know which are valid. Each doorbell
141 * occupies 32 bytes of space, but unless otherwise specified,
142 * only the first 4 bytes should be written. There are 32 instances
143 * of these doorbells for the host and 31 virtual machines respectively.
144 * The host and VMs will only map the doorbell pages belonging to its
145 * protection domain. It will not be able to touch the doorbells for
146 * another VM. The doorbells are the only registers directly accessible
147 * by a virtual machine. Similarly, there are 511 additional
148 * doorbells for RDMA protection domains. PD 0 for RDMA shares
149 * the same physical protection domain doorbell page as ETH/iSCSI.
152 struct BE_PROTECTION_DOMAIN_DBMAP_AMAP {
153 u8 rsvd0[512]; /* DWORD 0 */
154 struct BE_SQ_DB_AMAP rdma_sq_db;
155 u8 rsvd1[7][32]; /* DWORD 17 */
156 struct BE_WRB_POST_DB_AMAP iscsi_wrb_post_db;
157 u8 rsvd2[7][32]; /* DWORD 25 */
158 struct BE_SQ_DB_AMAP etx_sq_db;
159 u8 rsvd3[7][32]; /* DWORD 33 */
160 struct BE_RQ_DB_AMAP rdma_rq_db;
161 u8 rsvd4[7][32]; /* DWORD 41 */
162 struct BE_DEFAULT_PDU_DB_AMAP iscsi_default_pdu_db;
163 u8 rsvd5[7][32]; /* DWORD 49 */
164 struct BE_TPM_RQ_DB_AMAP tpm_rq_db;
165 u8 rsvd6[7][32]; /* DWORD 57 */
166 struct BE_RQ_DB_AMAP erx_rq_db;
167 u8 rsvd7[7][32]; /* DWORD 65 */
168 struct BE_CQ_DB_AMAP cq_db;
169 u8 rsvd8[7][32]; /* DWORD 73 */
170 struct BE_MCC_DB_AMAP mpu_mcc_db;
171 u8 rsvd9[7][32]; /* DWORD 81 */
172 struct BE_MPU_MAILBOX_DB_AMAP mcc_bootstrap_db;
173 u8 rsvd10[935][32]; /* DWORD 89 */
175 struct PROTECTION_DOMAIN_DBMAP_AMAP {
179 #endif /* __doorbells_amap_h__ */