2 * Copyright (C) 2005 - 2009 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 /********* Mailbox door bell *************/
19 /* Used for driver communication with the FW.
20 * The software must write this register twice to post any command. First,
21 * it writes the register with hi=1 and the upper bits of the physical address
22 * for the MAILBOX structure. Software must poll the ready bit until this
23 * is acknowledged. Then, sotware writes the register with hi=0 with the lower
24 * bits in the address. It must poll the ready bit until the command is
25 * complete. Upon completion, the MAILBOX will contain a valid completion
28 #define MPU_MAILBOX_DB_OFFSET 0x160
29 #define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
30 #define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
32 #define MPU_EP_CONTROL 0
34 /********** MPU semphore ******************/
35 #define MPU_EP_SEMAPHORE_OFFSET 0xac
36 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
37 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
38 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
39 /* MPU semphore POST stage values */
40 #define POST_STAGE_AWAITING_HOST_RDY 0x1 /* FW awaiting goahead from host */
41 #define POST_STAGE_HOST_RDY 0x2 /* Host has given go-ahed to FW */
42 #define POST_STAGE_BE_RESET 0x3 /* Host wants to reset chip */
43 #define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */
45 /********* Memory BAR register ************/
46 #define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
47 /* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
48 * Disable" may still globally block interrupts in addition to individual
49 * interrupt masks; a mechanism for the device driver to block all interrupts
50 * atomically without having to arbitrate for the PCI Interrupt Disable bit
53 #define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
54 /* PCI physical function number */
55 #define MEMBAR_CTRL_INT_CTRL_PFUNC_MASK 0x7 /* bits 26 - 28 */
56 #define MEMBAR_CTRL_INT_CTRL_PFUNC_SHIFT 26
58 /********* Event Q door bell *************/
59 #define DB_EQ_OFFSET DB_CQ_OFFSET
60 #define DB_EQ_RING_ID_MASK 0x1FF /* bits 0 - 8 */
61 /* Clear the interrupt for this eq */
62 #define DB_EQ_CLR_SHIFT (9) /* bit 9 */
64 #define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
65 /* Number of event entries processed */
66 #define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
68 #define DB_EQ_REARM_SHIFT (29) /* bit 29 */
70 /********* Compl Q door bell *************/
71 #define DB_CQ_OFFSET 0x120
72 #define DB_CQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
73 /* Number of event entries processed */
74 #define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
76 #define DB_CQ_REARM_SHIFT (29) /* bit 29 */
78 /********** TX ULP door bell *************/
79 #define DB_TXULP1_OFFSET 0x60
80 #define DB_TXULP_RING_ID_MASK 0x7FF /* bits 0 - 10 */
81 /* Number of tx entries posted */
82 #define DB_TXULP_NUM_POSTED_SHIFT (16) /* bits 16 - 29 */
83 #define DB_TXULP_NUM_POSTED_MASK 0x3FFF /* bits 16 - 29 */
85 /********** RQ(erx) door bell ************/
86 #define DB_RQ_OFFSET 0x100
87 #define DB_RQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
88 /* Number of rx frags posted */
89 #define DB_RQ_NUM_POSTED_SHIFT (24) /* bits 24 - 31 */
92 * BE descriptors: host memory data structures whose formats
93 * are hardwired in BE silicon.
95 /* Event Queue Descriptor */
96 #define EQ_ENTRY_VALID_MASK 0x1 /* bit 0 */
97 #define EQ_ENTRY_RES_ID_MASK 0xFFFF /* bits 16 - 31 */
98 #define EQ_ENTRY_RES_ID_SHIFT 16
103 /* TX Queue Descriptor */
104 #define ETH_WRB_FRAG_LEN_MASK 0xFFFF
106 u32 frag_pa_hi; /* dword 0 */
107 u32 frag_pa_lo; /* dword 1 */
108 u32 rsvd0; /* dword 2 */
109 u32 frag_len; /* dword 3: bits 0 - 15 */
112 /* Pseudo amap definition for eth_hdr_wrb in which each bit of the
113 * actual structure is defined as a byte : used to calculate
114 * offset/shift/mask of each field */
115 struct amap_eth_hdr_wrb {
116 u8 rsvd0[32]; /* dword 0 */
117 u8 rsvd1[32]; /* dword 1 */
118 u8 complete; /* dword 2 */
132 u8 len[16]; /* dword 3 */
136 struct be_eth_hdr_wrb {
140 /* TX Compl Queue Descriptor */
142 /* Pseudo amap definition for eth_tx_compl in which each bit of the
143 * actual structure is defined as a byte: used to calculate
144 * offset/shift/mask of each field */
145 struct amap_eth_tx_compl {
146 u8 wrb_index[16]; /* dword 0 */
147 u8 ct[2]; /* dword 0 */
148 u8 port[2]; /* dword 0 */
149 u8 rsvd0[8]; /* dword 0 */
150 u8 status[4]; /* dword 0 */
151 u8 user_bytes[16]; /* dword 1 */
152 u8 nwh_bytes[8]; /* dword 1 */
153 u8 lso; /* dword 1 */
154 u8 cast_enc[2]; /* dword 1 */
155 u8 rsvd1[5]; /* dword 1 */
156 u8 rsvd2[32]; /* dword 2 */
157 u8 pkts[16]; /* dword 3 */
158 u8 ringid[11]; /* dword 3 */
159 u8 hash_val[4]; /* dword 3 */
160 u8 valid; /* dword 3 */
163 struct be_eth_tx_compl {
167 /* RX Queue Descriptor */
173 /* RX Compl Queue Descriptor */
175 /* Pseudo amap definition for eth_rx_compl in which each bit of the
176 * actual structure is defined as a byte: used to calculate
177 * offset/shift/mask of each field */
178 struct amap_eth_rx_compl {
179 u8 vlan_tag[16]; /* dword 0 */
180 u8 pktsize[14]; /* dword 0 */
181 u8 port; /* dword 0 */
182 u8 ip_opt; /* dword 0 */
183 u8 err; /* dword 1 */
184 u8 rsshp; /* dword 1 */
185 u8 ipf; /* dword 1 */
186 u8 tcpf; /* dword 1 */
187 u8 udpf; /* dword 1 */
188 u8 ipcksm; /* dword 1 */
189 u8 l4_cksm; /* dword 1 */
190 u8 ip_version; /* dword 1 */
191 u8 macdst[6]; /* dword 1 */
192 u8 vtp; /* dword 1 */
193 u8 rsvd0; /* dword 1 */
194 u8 fragndx[10]; /* dword 1 */
195 u8 ct[2]; /* dword 1 */
197 u8 numfrags[3]; /* dword 1 */
198 u8 rss_flush; /* dword 2 */
199 u8 cast_enc[2]; /* dword 2 */
200 u8 qnq; /* dword 2 */
201 u8 rss_bank; /* dword 2 */
202 u8 rsvd1[23]; /* dword 2 */
203 u8 lro_pkt; /* dword 2 */
204 u8 rsvd2[2]; /* dword 2 */
205 u8 valid; /* dword 2 */
206 u8 rsshash[32]; /* dword 3 */
209 struct be_eth_rx_compl {