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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 | /* socal.h: Definitions for Sparc SUNW,socal (SOC+) Fibre Channel Sbus driver. * * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz) */ #ifndef __SOCAL_H #define __SOCAL_H #include "fc.h" #include "fcp.h" #include "fcp_impl.h" /* Hardware register offsets and constants first {{{ */ #define CFG 0x00UL #define SAE 0x04UL #define CMD 0x08UL #define IMASK 0x0cUL #define REQP 0x10UL #define RESP 0x14UL /* Config Register */ #define SOCAL_CFG_EXT_RAM_BANK_MASK 0x07000000 #define SOCAL_CFG_EEPROM_BANK_MASK 0x00030000 #define SOCAL_CFG_BURST64_MASK 0x00000700 #define SOCAL_CFG_SBUS_PARITY_TEST 0x00000020 #define SOCAL_CFG_SBUS_PARITY_CHECK 0x00000010 #define SOCAL_CFG_SBUS_ENHANCED 0x00000008 #define SOCAL_CFG_BURST_MASK 0x00000007 /* Bursts */ #define SOCAL_CFG_BURST_4 0x00000000 #define SOCAL_CFG_BURST_8 0x00000003 #define SOCAL_CFG_BURST_16 0x00000004 #define SOCAL_CFG_BURST_32 0x00000005 #define SOCAL_CFG_BURST_64 0x00000006 #define SOCAL_CFG_BURST_128 0x00000007 /* Slave Access Error Register */ #define SOCAL_SAE_ALIGNMENT 0x00000004 #define SOCAL_SAE_UNSUPPORTED 0x00000002 #define SOCAL_SAE_PARITY 0x00000001 /* Command & Status Register */ #define SOCAL_CMD_RSP_QALL 0x000f0000 #define SOCAL_CMD_RSP_Q0 0x00010000 #define SOCAL_CMD_RSP_Q1 0x00020000 #define SOCAL_CMD_RSP_Q2 0x00040000 #define SOCAL_CMD_RSP_Q3 0x00080000 #define SOCAL_CMD_REQ_QALL 0x00000f00 #define SOCAL_CMD_REQ_Q0 0x00000100 #define SOCAL_CMD_REQ_Q1 0x00000200 #define SOCAL_CMD_REQ_Q2 0x00000400 #define SOCAL_CMD_REQ_Q3 0x00000800 #define SOCAL_CMD_SAE 0x00000080 #define SOCAL_CMD_INTR_PENDING 0x00000008 #define SOCAL_CMD_NON_QUEUED 0x00000004 #define SOCAL_CMD_IDLE 0x00000002 #define SOCAL_CMD_SOFT_RESET 0x00000001 /* Interrupt Mask Register */ #define SOCAL_IMASK_RSP_QALL 0x000f0000 #define SOCAL_IMASK_RSP_Q0 0x00010000 #define SOCAL_IMASK_RSP_Q1 0x00020000 #define SOCAL_IMASK_RSP_Q2 0x00040000 #define SOCAL_IMASK_RSP_Q3 0x00080000 #define SOCAL_IMASK_REQ_QALL 0x00000f00 #define SOCAL_IMASK_REQ_Q0 0x00000100 #define SOCAL_IMASK_REQ_Q1 0x00000200 #define SOCAL_IMASK_REQ_Q2 0x00000400 #define SOCAL_IMASK_REQ_Q3 0x00000800 #define SOCAL_IMASK_SAE 0x00000080 #define SOCAL_IMASK_NON_QUEUED 0x00000004 #define SOCAL_INTR(s, cmd) \ (((cmd & SOCAL_CMD_RSP_QALL) | ((~cmd) & SOCAL_CMD_REQ_QALL)) \ & s->imask) #define SOCAL_SETIMASK(s, i) \ do { (s)->imask = (i); \ sbus_writel((i), (s)->regs + IMASK); \ } while (0) #define SOCAL_MAX_EXCHANGES 1024 /* XRAM * * This is a 64KB register area. * From the documentation, it seems like it is finally able to cope * at least with 1,2,4 byte accesses for read and 2,4 byte accesses for write. */ /* Circular Queue */ #define SOCAL_CQ_REQ_OFFSET 0x200 #define SOCAL_CQ_RSP_OFFSET 0x220 typedef struct { u32 address; u8 in; u8 out; u8 last; u8 seqno; } socal_hw_cq; #define SOCAL_PORT_A 0x0000 /* From/To Port A */ #define SOCAL_PORT_B 0x0001 /* From/To Port A */ #define SOCAL_FC_HDR 0x0002 /* Contains FC Header */ #define SOCAL_NORSP 0x0004 /* Don't generate response nor interrupt */ #define SOCAL_NOINT 0x0008 /* Generate response but not interrupt */ #define SOCAL_XFERRDY 0x0010 /* Generate XFERRDY */ #define SOCAL_IGNOREPARAM 0x0020 /* Ignore PARAM field in the FC header */ #define SOCAL_COMPLETE 0x0040 /* Command completed */ #define SOCAL_UNSOLICITED 0x0080 /* For request this is the packet to establish unsolicited pools, */ /* for rsp this is unsolicited packet */ #define SOCAL_STATUS 0x0100 /* State change (on/off line) */ #define SOCAL_RSP_HDR 0x0200 /* Return frame header in any case */ typedef struct { u32 token; u16 flags; u8 class; u8 segcnt; u32 bytecnt; } socal_hdr; typedef struct { u32 base; u32 count; } socal_data; #define SOCAL_CQTYPE_NOP 0x00 #define SOCAL_CQTYPE_OUTBOUND 0x01 #define SOCAL_CQTYPE_INBOUND 0x02 #define SOCAL_CQTYPE_SIMPLE 0x03 #define SOCAL_CQTYPE_IO_WRITE 0x04 #define SOCAL_CQTYPE_IO_READ 0x05 #define SOCAL_CQTYPE_UNSOLICITED 0x06 #define SOCAL_CQTYPE_BYPASS_DEV 0x06 #define SOCAL_CQTYPE_DIAG 0x07 #define SOCAL_CQTYPE_OFFLINE 0x08 #define SOCAL_CQTYPE_ADD_POOL 0x09 #define SOCAL_CQTYPE_DELETE_POOL 0x0a #define SOCAL_CQTYPE_ADD_BUFFER 0x0b #define SOCAL_CQTYPE_ADD_POOL_BUFFER 0x0c #define SOCAL_CQTYPE_REQUEST_ABORT 0x0d #define SOCAL_CQTYPE_REQUEST_LIP 0x0e #define SOCAL_CQTYPE_REPORT_MAP 0x0f #define SOCAL_CQTYPE_RESPONSE 0x10 #define SOCAL_CQTYPE_INLINE 0x20 #define SOCAL_CQFLAGS_CONT 0x01 #define SOCAL_CQFLAGS_FULL 0x02 #define SOCAL_CQFLAGS_BADHDR 0x04 #define SOCAL_CQFLAGS_BADPKT 0x08 typedef struct { socal_hdr shdr; socal_data data[3]; fc_hdr fchdr; u8 count; u8 type; u8 flags; u8 seqno; } socal_req; #define SOCAL_OK 0 #define SOCAL_P_RJT 2 #define SOCAL_F_RJT 3 #define SOCAL_P_BSY 4 #define SOCAL_F_BSY 5 #define SOCAL_ONLINE 0x10 #define SOCAL_OFFLINE 0x11 #define SOCAL_TIMEOUT 0x12 #define SOCAL_OVERRUN 0x13 #define SOCAL_ONLINE_LOOP 0x14 #define SOCAL_OLD_PORT 0x15 #define SOCAL_AL_PORT 0x16 #define SOCAL_UNKOWN_CQ_TYPE 0x20 #define SOCAL_BAD_SEG_CNT 0x21 #define SOCAL_MAX_XCHG_EXCEEDED 0x22 #define SOCAL_BAD_XID 0x23 #define SOCAL_XCHG_BUSY 0x24 #define SOCAL_BAD_POOL_ID 0x25 #define SOCAL_INSUFFICIENT_CQES 0x26 #define SOCAL_ALLOC_FAIL 0x27 #define SOCAL_BAD_SID 0x28 #define SOCAL_NO_SEG_INIT 0x29 #define SOCAL_BAD_DID 0x2a #define SOCAL_ABORTED 0x30 #define SOCAL_ABORT_FAILED 0x31 typedef struct { socal_hdr shdr; u32 status; socal_data data; u8 xxx1[10]; u16 ncmds; fc_hdr fchdr; u8 count; u8 type; u8 flags; u8 seqno; } socal_rsp; typedef struct { socal_hdr shdr; u8 xxx1[48]; u8 count; u8 type; u8 flags; u8 seqno; } socal_cmdonly; #define SOCAL_DIAG_NOP 0x00 #define SOCAL_DIAG_INT_LOOP 0x01 #define SOCAL_DIAG_EXT_LOOP 0x02 #define SOCAL_DIAG_REM_LOOP 0x03 #define SOCAL_DIAG_XRAM_TEST 0x04 #define SOCAL_DIAG_SOC_TEST 0x05 #define SOCAL_DIAG_HCB_TEST 0x06 #define SOCAL_DIAG_SOCLB_TEST 0x07 #define SOCAL_DIAG_SRDSLB_TEST 0x08 #define SOCAL_DIAG_EXTOE_TEST 0x09 typedef struct { socal_hdr shdr; u32 cmd; u8 xxx1[44]; u8 count; u8 type; u8 flags; u8 seqno; } socal_diag_req; #define SOCAL_POOL_MASK_RCTL 0x800000 #define SOCAL_POOL_MASK_DID 0x700000 #define SOCAL_POOL_MASK_SID 0x070000 #define SOCAL_POOL_MASK_TYPE 0x008000 #define SOCAL_POOL_MASK_F_CTL 0x007000 #define SOCAL_POOL_MASK_SEQ_ID 0x000800 #define SOCAL_POOL_MASK_D_CTL 0x000400 #define SOCAL_POOL_MASK_SEQ_CNT 0x000300 #define SOCAL_POOL_MASK_OX_ID 0x0000f0 #define SOCAL_POOL_MASK_PARAM 0x00000f typedef struct { socal_hdr shdr; u32 pool_id; u32 header_mask; u32 buf_size; u32 entries; u8 xxx1[8]; fc_hdr fchdr; u8 count; u8 type; u8 flags; u8 seqno; } socal_pool_req; /* }}} */ /* Now our software structures and constants we use to drive the beast {{{ */ #define SOCAL_CQ_REQ0_SIZE 4 #define SOCAL_CQ_REQ1_SIZE 256 #define SOCAL_CQ_RSP0_SIZE 8 #define SOCAL_CQ_RSP1_SIZE 4 #define SOCAL_CQ_RSP2_SIZE 4 #define SOCAL_SOLICITED_RSP_Q 0 #define SOCAL_SOLICITED_BAD_RSP_Q 1 #define SOCAL_UNSOLICITED_RSP_Q 2 struct socal; typedef struct { /* This must come first */ fc_channel fc; struct socal *s; u16 flags; u16 mask; } socal_port; typedef struct { socal_hw_cq *hw_cq; /* Related XRAM cq */ socal_req *pool; u8 in; u8 out; u8 last; u8 seqno; } socal_cq; struct socal { spinlock_t lock; socal_port port[2]; /* Every SOCAL has one or two FC ports */ socal_cq req[4]; /* Request CQs */ socal_cq rsp[4]; /* Response CQs */ int socal_no; unsigned long regs; unsigned long xram; unsigned long eeprom; fc_wwn wwn; u32 imask; /* Our copy of regs->imask */ u32 cfg; /* Our copy of regs->cfg */ char serv_params[80]; struct socal *next; int curr_port; /* Which port will have priority to fcp_queue_empty */ socal_req * req_cpu; u32 req_dvma; }; /* }}} */ #endif /* !(__SOCAL_H) */ |