Merge branch 'linux_next' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[cascardo/linux.git] / drivers / staging / slicoss / slic.h
1 /**************************************************************************
2  *
3  * Copyright (c) 2000-2002 Alacritech, Inc.  All rights reserved.
4  *
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above
13  *    copyright notice, this list of conditions and the following
14  *    disclaimer in the documentation and/or other materials provided
15  *    with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY ALACRITECH, INC. ``AS IS'' AND ANY
18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL ALACRITECH, INC. OR
21  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
24  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
27  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * The views and conclusions contained in the software and documentation
31  * are those of the authors and should not be interpreted as representing
32  * official policies, either expressed or implied, of Alacritech, Inc.
33  *
34  **************************************************************************/
35
36 /*
37  * FILENAME: slic.h
38  *
39  * This is the base set of header definitions for the SLICOSS driver.
40  */
41 #ifndef __SLIC_DRIVER_H__
42 #define __SLIC_DRIVER_H__
43
44 /* firmware stuff */
45 #define OASIS_UCODE_VERS_STRING "1.2"
46 #define OASIS_UCODE_VERS_DATE   "2006/03/27 15:10:37"
47 #define OASIS_UCODE_HOSTIF_ID   3
48
49 #define MOJAVE_UCODE_VERS_STRING        "1.2"
50 #define MOJAVE_UCODE_VERS_DATE          "2006/03/27 15:12:22"
51 #define MOJAVE_UCODE_HOSTIF_ID          3
52
53 #define GB_RCVUCODE_VERS_STRING "1.2"
54 #define GB_RCVUCODE_VERS_DATE   "2006/03/27 15:12:15"
55 static u32 OasisRcvUCodeLen = 512;
56 static u32 GBRcvUCodeLen = 512;
57 #define SECTION_SIZE 65536
58
59 struct slic_spinlock {
60         spinlock_t      lock;
61         unsigned long   flags;
62 };
63
64 #define SLIC_RSPQ_PAGES_GB        10
65 #define SLIC_RSPQ_BUFSINPAGE      (PAGE_SIZE / SLIC_RSPBUF_SIZE)
66
67 struct slic_rspqueue {
68         u32             offset;
69         u32             pageindex;
70         u32             num_pages;
71         struct slic_rspbuf *rspbuf;
72         u32 *vaddr[SLIC_RSPQ_PAGES_GB];
73         dma_addr_t          paddr[SLIC_RSPQ_PAGES_GB];
74 };
75
76 #define SLIC_RCVQ_EXPANSION         1
77 #define SLIC_RCVQ_ENTRIES           (256 * SLIC_RCVQ_EXPANSION)
78 #define SLIC_RCVQ_MINENTRIES        (SLIC_RCVQ_ENTRIES / 2)
79 #define SLIC_RCVQ_MAX_PROCESS_ISR   ((SLIC_RCVQ_ENTRIES * 4))
80 #define SLIC_RCVQ_RCVBUFSIZE        2048
81 #define SLIC_RCVQ_FILLENTRIES       (16 * SLIC_RCVQ_EXPANSION)
82 #define SLIC_RCVQ_FILLTHRESH        (SLIC_RCVQ_ENTRIES - SLIC_RCVQ_FILLENTRIES)
83
84 struct slic_rcvqueue {
85         struct sk_buff    *head;
86         struct sk_buff    *tail;
87         u32            count;
88         u32            size;
89         u32            errors;
90 };
91
92 struct slic_rcvbuf_info {
93         u32     id;
94         u32     starttime;
95         u32     stoptime;
96         u32     slicworld;
97         u32     lasttime;
98         u32     lastid;
99 };
100 /*
101  SLIC Handle structure.  Used to restrict handle values to
102  32 bits by using an index rather than an address.
103  Simplifies ucode in 64-bit systems
104 */
105 struct slic_handle_word {
106         union {
107                 struct {
108                         ushort      index;
109                         ushort      bottombits; /* to denote num bufs to card */
110                 }  parts;
111                 u32         whole;
112         }  handle;
113 };
114
115 struct slic_handle {
116         struct slic_handle_word  token;  /* token passed between host and card*/
117         ushort                      type;
118         void *address;    /* actual address of the object*/
119         ushort                      offset;
120         struct slic_handle       *other_handle;
121         struct slic_handle       *next;
122 };
123
124 #define SLIC_HANDLE_FREE        0x0000
125 #define SLIC_HANDLE_DATA        0x0001
126 #define SLIC_HANDLE_CMD         0x0002
127 #define SLIC_HANDLE_CONTEXT     0x0003
128 #define SLIC_HANDLE_TEAM        0x0004
129
130 #define handle_index        handle.parts.index
131 #define handle_bottom       handle.parts.bottombits
132 #define handle_token        handle.whole
133
134 #define SLIC_HOSTCMD_SIZE    512
135
136 struct slic_hostcmd {
137         struct slic_host64_cmd  cmd64;
138         u32                    type;
139         struct sk_buff            *skb;
140         u32                    paddrl;
141         u32                    paddrh;
142         u32                    busy;
143         u32                    cmdsize;
144         ushort                     numbufs;
145         struct slic_handle    *pslic_handle;/* handle associated with command */
146         struct slic_hostcmd    *next;
147         struct slic_hostcmd    *next_all;
148 };
149
150 #define SLIC_CMDQ_CMDSINPAGE    (PAGE_SIZE / SLIC_HOSTCMD_SIZE)
151 #define SLIC_CMD_DUMB            3
152 #define SLIC_CMDQ_INITCMDS       256
153 #define SLIC_CMDQ_MAXCMDS        256
154 #define SLIC_CMDQ_MAXOUTSTAND    SLIC_CMDQ_MAXCMDS
155 #define SLIC_CMDQ_MAXPAGES       (SLIC_CMDQ_MAXCMDS / SLIC_CMDQ_CMDSINPAGE)
156 #define SLIC_CMDQ_INITPAGES      (SLIC_CMDQ_INITCMDS / SLIC_CMDQ_CMDSINPAGE)
157
158 struct slic_cmdqmem {
159         int pagecnt;
160         u32 *pages[SLIC_CMDQ_MAXPAGES];
161         dma_addr_t dma_pages[SLIC_CMDQ_MAXPAGES];
162 };
163
164 struct slic_cmdqueue {
165         struct slic_hostcmd *head;
166         struct slic_hostcmd *tail;
167         int count;
168         struct slic_spinlock lock;
169 };
170
171 #define SLIC_MAX_CARDS              32
172 #define SLIC_MAX_PORTS              4        /* Max # of ports per card   */
173
174
175 struct mcast_address {
176         unsigned char address[6];
177         struct mcast_address *next;
178 };
179
180 #define CARD_DOWN        0x00000000
181 #define CARD_UP          0x00000001
182 #define CARD_FAIL        0x00000002
183 #define CARD_DIAG        0x00000003
184 #define CARD_SLEEP       0x00000004
185
186 #define ADAPT_DOWN             0x00
187 #define ADAPT_UP               0x01
188 #define ADAPT_FAIL             0x02
189 #define ADAPT_RESET            0x03
190 #define ADAPT_SLEEP            0x04
191
192 #define ADAPT_FLAGS_BOOTTIME            0x0001
193 #define ADAPT_FLAGS_IS64BIT             0x0002
194 #define ADAPT_FLAGS_PENDINGLINKDOWN     0x0004
195 #define ADAPT_FLAGS_FIBERMEDIA          0x0008
196 #define ADAPT_FLAGS_LOCKS_ALLOCED       0x0010
197 #define ADAPT_FLAGS_INT_REGISTERED      0x0020
198 #define ADAPT_FLAGS_LOAD_TIMER_SET      0x0040
199 #define ADAPT_FLAGS_STATS_TIMER_SET     0x0080
200 #define ADAPT_FLAGS_RESET_TIMER_SET     0x0100
201
202 #define LINK_DOWN              0x00
203 #define LINK_CONFIG            0x01
204 #define LINK_UP                0x02
205
206 #define LINK_10MB              0x00
207 #define LINK_100MB             0x01
208 #define LINK_AUTOSPEED         0x02
209 #define LINK_1000MB            0x03
210 #define LINK_10000MB           0x04
211
212 #define LINK_HALFD             0x00
213 #define LINK_FULLD             0x01
214 #define LINK_AUTOD             0x02
215
216 #define MAC_DIRECTED     0x00000001
217 #define MAC_BCAST        0x00000002
218 #define MAC_MCAST        0x00000004
219 #define MAC_PROMISC      0x00000008
220 #define MAC_LOOPBACK     0x00000010
221 #define MAC_ALLMCAST     0x00000020
222
223 #define SLIC_DUPLEX(x)    ((x == LINK_FULLD) ? "FDX" : "HDX")
224 #define SLIC_SPEED(x)     ((x == LINK_100MB) ? "100Mb" : ((x == LINK_1000MB) ?\
225                                 "1000Mb" : " 10Mb"))
226 #define SLIC_LINKSTATE(x) ((x == LINK_DOWN) ? "Down" : "Up  ")
227 #define SLIC_ADAPTER_STATE(x) ((x == ADAPT_UP) ? "UP" : "Down")
228 #define SLIC_CARD_STATE(x)    ((x == CARD_UP) ? "UP" : "Down")
229
230 struct slic_iface_stats {
231         /*
232         * Stats
233         */
234         u64        xmt_bytes;
235         u64        xmt_ucast;
236         u64        xmt_mcast;
237         u64        xmt_bcast;
238         u64        xmt_errors;
239         u64        xmt_discards;
240         u64        xmit_collisions;
241         u64        xmit_excess_xmit_collisions;
242         u64        rcv_bytes;
243         u64        rcv_ucast;
244         u64        rcv_mcast;
245         u64        rcv_bcast;
246         u64        rcv_errors;
247         u64        rcv_discards;
248 };
249
250 struct sliccp_stats {
251         u64        xmit_tcp_segs;
252         u64        xmit_tcp_bytes;
253         u64        rcv_tcp_segs;
254         u64        rcv_tcp_bytes;
255 };
256
257 struct slicnet_stats {
258         struct sliccp_stats        tcp;
259         struct slic_iface_stats      iface;
260 };
261
262 #define SLIC_LOADTIMER_PERIOD     1
263 #define SLIC_INTAGG_DEFAULT       200
264 #define SLIC_LOAD_0               0
265 #define SLIC_INTAGG_0             0
266 #define SLIC_LOAD_1               8000
267 #define SLIC_LOAD_2               10000
268 #define SLIC_LOAD_3               12000
269 #define SLIC_LOAD_4               14000
270 #define SLIC_LOAD_5               16000
271 #define SLIC_INTAGG_1             50
272 #define SLIC_INTAGG_2             100
273 #define SLIC_INTAGG_3             150
274 #define SLIC_INTAGG_4             200
275 #define SLIC_INTAGG_5             250
276 #define SLIC_LOAD_1GB             3000
277 #define SLIC_LOAD_2GB             6000
278 #define SLIC_LOAD_3GB             12000
279 #define SLIC_LOAD_4GB             24000
280 #define SLIC_LOAD_5GB             48000
281 #define SLIC_INTAGG_1GB           50
282 #define SLIC_INTAGG_2GB           75
283 #define SLIC_INTAGG_3GB           100
284 #define SLIC_INTAGG_4GB           100
285 #define SLIC_INTAGG_5GB           100
286
287 struct ether_header {
288         unsigned char    ether_dhost[6];
289         unsigned char    ether_shost[6];
290         ushort   ether_type;
291 };
292
293 struct sliccard {
294         uint              busnumber;
295         uint              slotnumber;
296         uint              state;
297         uint              cardnum;
298         uint              card_size;
299         uint              adapters_activated;
300         uint              adapters_allocated;
301         uint              adapters_sleeping;
302         uint              gennumber;
303         u32           events;
304         u32           loadlevel_current;
305         u32           load;
306         uint              reset_in_progress;
307         u32           pingstatus;
308         u32           bad_pingstatus;
309         struct timer_list loadtimer;
310         u32           loadtimerset;
311         uint              config_set;
312         struct slic_config  config;
313         struct dentry      *debugfs_dir;
314         struct dentry      *debugfs_cardinfo;
315         struct adapter  *master;
316         struct adapter  *adapter[SLIC_MAX_PORTS];
317         struct sliccard *next;
318         u32             error_interrupts;
319         u32             error_rmiss_interrupts;
320         u32             rcv_interrupts;
321         u32             xmit_interrupts;
322         u32             num_isrs;
323         u32             false_interrupts;
324         u32             max_isr_rcvs;
325         u32             max_isr_xmits;
326         u32             rcv_interrupt_yields;
327         u32             tx_packets;
328         u32             debug_ix;
329         ushort              reg_type[32];
330         ushort              reg_offset[32];
331         u32             reg_value[32];
332         u32             reg_valueh[32];
333 };
334
335 #define NUM_CFG_SPACES      2
336 #define NUM_CFG_REGS        64
337 #define NUM_CFG_REG_ULONGS  (NUM_CFG_REGS / sizeof(u32))
338
339 struct physcard {
340         struct adapter  *adapter[SLIC_MAX_PORTS];
341         struct physcard *next;
342         uint                adapters_allocd;
343
344 /*  the following is not currently needed
345         u32              bridge_busnum;
346         u32              bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
347 */
348 };
349
350 struct base_driver {
351         struct slic_spinlock driver_lock;
352         u32              num_slic_cards;
353         u32              num_slic_ports;
354         u32              num_slic_ports_active;
355         u32              dynamic_intagg;
356         struct sliccard  *slic_card;
357         struct physcard  *phys_card;
358         uint                 cardnuminuse[SLIC_MAX_CARDS];
359 };
360
361 struct slic_shmem {
362         volatile u32          isr;
363         volatile u32          linkstatus;
364         volatile struct slic_stats     inicstats;
365 };
366
367 struct slic_reg_params {
368         u32       linkspeed;
369         u32       linkduplex;
370         u32       fail_on_bad_eeprom;
371 };
372
373 struct slic_upr {
374         uint               adapter;
375         u32            upr_request;
376         u32            upr_data;
377         u32            upr_data_h;
378         u32            upr_buffer;
379         u32            upr_buffer_h;
380         struct slic_upr *next;
381 };
382
383 struct slic_ifevents {
384         uint        oflow802;
385         uint        uflow802;
386         uint        Tprtoflow;
387         uint        rcvearly;
388         uint        Bufov;
389         uint        Carre;
390         uint        Longe;
391         uint        Invp;
392         uint        Crc;
393         uint        Drbl;
394         uint        Code;
395         uint        IpHlen;
396         uint        IpLen;
397         uint        IpCsum;
398         uint        TpCsum;
399         uint        TpHlen;
400 };
401
402 struct adapter {
403         void *ifp;
404         struct sliccard *card;
405         uint                port;
406         struct physcard *physcard;
407         uint                physport;
408         uint                cardindex;
409         uint                card_size;
410         uint                chipid;
411         struct net_device  *netdev;
412         struct net_device  *next_netdevice;
413         struct slic_spinlock     adapter_lock;
414         struct slic_spinlock     reset_lock;
415         struct pci_dev     *pcidev;
416         uint                busnumber;
417         uint                slotnumber;
418         uint                functionnumber;
419         ushort              vendid;
420         ushort              devid;
421         ushort              subsysid;
422         u32             irq;
423         void __iomem *memorybase;
424         u32             memorylength;
425         u32             drambase;
426         u32             dramlength;
427         uint                queues_initialized;
428         uint                allocated;
429         uint                activated;
430         u32             intrregistered;
431         uint                isp_initialized;
432         uint                gennumber;
433         u32             curaddrupper;
434         struct slic_shmem      *pshmem;
435         dma_addr_t          phys_shmem;
436         u32             isrcopy;
437         __iomem struct slic_regs       *slic_regs;
438         unsigned char               state;
439         unsigned char               linkstate;
440         unsigned char               linkspeed;
441         unsigned char               linkduplex;
442         uint                flags;
443         unsigned char               macaddr[6];
444         unsigned char               currmacaddr[6];
445         u32             macopts;
446         ushort              devflags_prev;
447         u64             mcastmask;
448         struct mcast_address   *mcastaddrs;
449         struct slic_upr   *upr_list;
450         uint                upr_busy;
451         struct timer_list   pingtimer;
452         u32             pingtimerset;
453         struct timer_list   loadtimer;
454         u32             loadtimerset;
455         struct dentry      *debugfs_entry;
456         struct slic_spinlock     upr_lock;
457         struct slic_spinlock     bit64reglock;
458         struct slic_rspqueue     rspqueue;
459         struct slic_rcvqueue     rcvqueue;
460         struct slic_cmdqueue     cmdq_free;
461         struct slic_cmdqueue     cmdq_done;
462         struct slic_cmdqueue     cmdq_all;
463         struct slic_cmdqmem      cmdqmem;
464         /*
465         *  SLIC Handles
466         */
467         struct slic_handle slic_handles[SLIC_CMDQ_MAXCMDS+1]; /* Object handles*/
468         struct slic_handle *pfree_slic_handles;          /* Free object handles*/
469         struct slic_spinlock     handle_lock;           /* Object handle list lock*/
470         ushort              slic_handle_ix;
471
472         u32             xmitq_full;
473         u32             all_reg_writes;
474         u32             icr_reg_writes;
475         u32             isr_reg_writes;
476         u32             error_interrupts;
477         u32             error_rmiss_interrupts;
478         u32             rx_errors;
479         u32             rcv_drops;
480         u32             rcv_interrupts;
481         u32             xmit_interrupts;
482         u32             linkevent_interrupts;
483         u32             upr_interrupts;
484         u32             num_isrs;
485         u32             false_interrupts;
486         u32             tx_packets;
487         u32             xmit_completes;
488         u32             tx_drops;
489         u32             rcv_broadcasts;
490         u32             rcv_multicasts;
491         u32             rcv_unicasts;
492         u32             max_isr_rcvs;
493         u32             max_isr_xmits;
494         u32             rcv_interrupt_yields;
495         u32             intagg_period;
496         struct inicpm_state    *inicpm_info;
497         void *pinicpm_info;
498         struct slic_reg_params   reg_params;
499         struct slic_ifevents  if_events;
500         struct slic_stats        inicstats_prev;
501         struct slicnet_stats     slic_stats;
502 };
503
504
505 #define UPDATE_STATS(largestat, newstat, oldstat)                        \
506 {                                                                        \
507         if ((newstat) < (oldstat))                                       \
508                 (largestat) += ((newstat) + (0xFFFFFFFF - oldstat + 1)); \
509         else                                                             \
510                 (largestat) += ((newstat) - (oldstat));                  \
511 }
512
513 #define UPDATE_STATS_GB(largestat, newstat, oldstat)                     \
514 {                                                                        \
515         (largestat) += ((newstat) - (oldstat));                          \
516 }
517
518 #if BITS_PER_LONG == 64
519 #define   SLIC_GET_ADDR_LOW(_addr)  (u32)((u64)(_addr) & \
520         0x00000000FFFFFFFF)
521 #define   SLIC_GET_ADDR_HIGH(_addr)  (u32)(((u64)(_addr) >> 32) & \
522         0x00000000FFFFFFFF)
523 #elif BITS_PER_LONG == 32
524 #define   SLIC_GET_ADDR_LOW(_addr)   (u32)(_addr)
525 #define   SLIC_GET_ADDR_HIGH(_addr)  (u32)0
526 #else
527 #error BITS_PER_LONG must be 32 or 64
528 #endif
529
530 #define FLUSH           true
531 #define DONT_FLUSH      false
532
533 #define SIOCSLICDUMPCARD         (SIOCDEVPRIVATE+9)
534 #define SIOCSLICSETINTAGG        (SIOCDEVPRIVATE+10)
535 #define SIOCSLICTRACEDUMP        (SIOCDEVPRIVATE+11)
536
537 #endif /*  __SLIC_DRIVER_H__ */