1 /******************************************************************************* 2 3 Copyright (c) 2006, Myricom Inc. 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 3. Neither the name of the Myricom Inc, nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32 $FreeBSD$ 33 34 ***************************************************************************/ 35 36 #define MYRI10GE_MAX_ETHER_MTU 9014 37 38 #define MYRI10GE_ETH_STOPPED 0 39 #define MYRI10GE_ETH_STOPPING 1 40 #define MYRI10GE_ETH_STARTING 2 41 #define MYRI10GE_ETH_RUNNING 3 42 #define MYRI10GE_ETH_OPEN_FAILED 4 43 44 #define MYRI10GE_FW_OFFSET 1024*1024 45 #define MYRI10GE_EEPROM_STRINGS_SIZE 256 46 #define MYRI10GE_NUM_INTRQS 2 47 48 typedef struct { 49 void *addr; 50 bus_addr_t bus_addr; 51 bus_dma_tag_t dmat; 52 bus_dmamap_t map; 53 } myri10ge_dma_t; 54 55 typedef struct myri10ge_intrq 56 { 57 mcp_slot_t *q[MYRI10GE_NUM_INTRQS]; 58 int intrq; 59 int slot; 60 int maxslots; 61 uint32_t seqnum; 62 uint32_t spurious; 63 uint32_t cnt; 64 myri10ge_dma_t dma[MYRI10GE_NUM_INTRQS]; 65 } myri10ge_intrq_t; 66 67 68 typedef struct 69 { 70 uint32_t data0; 71 uint32_t data1; 72 uint32_t data2; 73 } myri10ge_cmd_t; 74 75 struct myri10ge_buffer_state { 76 struct mbuf *m; 77 bus_dmamap_t map; 78 }; 79 80 typedef struct 81 { 82 volatile mcp_kreq_ether_recv_t *lanai; /* lanai ptr for recv ring */ 83 volatile uint8_t *wc_fifo; /* w/c rx dma addr fifo address */ 84 mcp_kreq_ether_recv_t *shadow; /* host shadow of recv ring */ 85 struct myri10ge_buffer_state *info; 86 bus_dma_tag_t dmat; 87 bus_dmamap_t extra_map; 88 int cnt; 89 int alloc_fail; 90 int mask; /* number of rx slots -1 */ 91 } myri10ge_rx_buf_t; 92 93 typedef struct 94 { 95 volatile mcp_kreq_ether_send_t *lanai; /* lanai ptr for sendq */ 96 volatile uint8_t *wc_fifo; /* w/c send fifo address */ 97 mcp_kreq_ether_send_t *req_list; /* host shadow of sendq */ 98 char *req_bytes; 99 struct myri10ge_buffer_state *info; 100 bus_dma_tag_t dmat; 101 int req; /* transmits submitted */ 102 int mask; /* number of transmit slots -1 */ 103 int done; /* transmits completed */ 104 int boundary; /* boundary transmits cannot cross*/ 105 } myri10ge_tx_buf_t; 106 107 typedef struct { 108 struct ifnet* ifp; 109 int big_bytes; 110 struct mtx tx_lock; 111 int csum_flag; /* rx_csums? */ 112 uint8_t mac_addr[6]; /* eeprom mac address */ 113 myri10ge_tx_buf_t tx; /* transmit ring */ 114 myri10ge_rx_buf_t rx_small; 115 myri10ge_rx_buf_t rx_big; 116 bus_dma_tag_t parent_dmat; 117 volatile uint8_t *sram; 118 int sram_size; 119 volatile uint32_t *irq_claim; 120 char *mac_addr_string; 121 char *product_code_string; 122 mcp_cmd_response_t *cmd; 123 myri10ge_dma_t cmd_dma; 124 myri10ge_dma_t zeropad_dma; 125 mcp_stats_t *fw_stats; 126 myri10ge_dma_t fw_stats_dma; 127 struct pci_dev *pdev; 128 int msi_enabled; 129 myri10ge_intrq_t intr; 130 int link_state; 131 unsigned int rdma_tags_available; 132 int intr_coal_delay; 133 int wc; 134 struct mtx cmd_lock; 135 struct sx driver_lock; 136 int wake_queue; 137 int stop_queue; 138 int down_cnt; 139 int watchdog_resets; 140 int tx_defragged; 141 int pause; 142 struct resource *mem_res; 143 struct resource *irq_res; 144 void *ih; 145 char *fw_name; 146 char eeprom_strings[MYRI10GE_EEPROM_STRINGS_SIZE]; 147 char fw_version[128]; 148 device_t dev; 149 struct ifmedia media; 150 151 } myri10ge_softc_t; 152 153 #define MYRI10GE_PCI_VENDOR_MYRICOM 0x14c1 154 #define MYRI10GE_PCI_DEVICE_Z8E 0x0008 155 156 #define MYRI10GE_HIGHPART_TO_U32(X) \ 157 (sizeof (X) == 8) ? ((uint32_t)((uint64_t)(X) >> 32)) : (0) 158 #define MYRI10GE_LOWPART_TO_U32(X) ((uint32_t)(X)) 159 160 161 /* implement our own memory barriers, since bus_space_barrier 162 cannot handle write-combining regions */ 163 164 #if defined (__GNUC__) 165 #if #cpu(i386) || defined __i386 || defined i386 || defined __i386__ || #cpu(x86_64) || defined __x86_64__ 166 #define mb() __asm__ __volatile__ ("sfence;": : :"memory") 167 #elif #cpu(sparc64) || defined sparc64 || defined __sparcv9 168 #define mb() __asm__ __volatile__ ("membar #MemIssue": : :"memory") 169 #elif #cpu(sparc) || defined sparc || defined __sparc__ 170 #define mb() __asm__ __volatile__ ("stbar;": : :"memory") 171 #else 172 #define mb() /* XXX just to make this compile */ 173 #endif 174 #else 175 #error "unknown compiler" 176 #endif 177 178 static inline void 179 myri10ge_pio_copy(volatile void *to_v, void *from_v, size_t size) 180 { 181 register volatile uintptr_t *to; 182 volatile uintptr_t *from; 183 size_t i; 184 185 to = (volatile uintptr_t *) to_v; 186 from = from_v; 187 for (i = (size / sizeof (uintptr_t)); i; i--) { 188 *to = *from; 189 to++; 190 from++; 191 } 192 193 } 194 195 196 /* 197 This file uses Myri10GE driver indentation. 198 199 Local Variables: 200 c-file-style:"linux" 201 tab-width:8 202 End: 203 */ 204