xref: /freebsd/sys/dev/hptiop/hptiop.h (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
1 /*
2  * HighPoint RR3xxx/4xxx RAID Driver for FreeBSD
3  * Copyright (C) 2007-2012 HighPoint Technologies, Inc. All Rights Reserved.
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23  * SUCH DAMAGE.
24  */
25 
26 #ifndef _HPTIOP_H
27 #define _HPTIOP_H
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #define DBG 0
33 
34 #ifdef DBG
35 int hpt_iop_dbg_level = 0;
36 #define KdPrint(x)  do { if (hpt_iop_dbg_level) printf x; } while (0)
37 #define HPT_ASSERT(x) assert(x)
38 #else
39 #define KdPrint(x)
40 #define HPT_ASSERT(x)
41 #endif
42 
43 #define HPT_SRB_MAX_REQ_SIZE                600
44 #define HPT_SRB_MAX_QUEUE_SIZE              0x100
45 
46 /* beyond 64G mem */
47 #define HPT_SRB_FLAG_HIGH_MEM_ACESS         0x1
48 #define HPT_SRB_MAX_SIZE  ((sizeof(struct hpt_iop_srb) + 0x1f) & ~0x1f)
49 #ifndef offsetof
50 #define offsetof(TYPE, MEM) ((size_t)&((TYPE*)0)->MEM)
51 #endif
52 
53 #ifndef MIN
54 #define MIN(a, b)		((a) < (b) ? (a) : (b))
55 #endif
56 
57 #define HPT_IOCTL_MAGIC   0xA1B2C3D4
58 #define HPT_IOCTL_MAGIC32   0x1A2B3C4D
59 
60 struct hpt_iopmu_itl {
61 	u_int32_t resrved0[4];
62 	u_int32_t inbound_msgaddr0;
63 	u_int32_t inbound_msgaddr1;
64 	u_int32_t outbound_msgaddr0;
65 	u_int32_t outbound_msgaddr1;
66 	u_int32_t inbound_doorbell;
67 	u_int32_t inbound_intstatus;
68 	u_int32_t inbound_intmask;
69 	u_int32_t outbound_doorbell;
70 	u_int32_t outbound_intstatus;
71 	u_int32_t outbound_intmask;
72 	u_int32_t reserved1[2];
73 	u_int32_t inbound_queue;
74 	u_int32_t outbound_queue;
75 };
76 
77 #define IOPMU_QUEUE_EMPTY            0xffffffff
78 #define IOPMU_QUEUE_MASK_HOST_BITS   0xf0000000
79 #define IOPMU_QUEUE_ADDR_HOST_BIT    0x80000000
80 #define IOPMU_QUEUE_REQUEST_SIZE_BIT    0x40000000
81 #define IOPMU_QUEUE_REQUEST_RESULT_BIT   0x40000000
82 #define IOPMU_MAX_MEM_SUPPORT_MASK_64G 0xfffffff000000000ull
83 #define IOPMU_MAX_MEM_SUPPORT_MASK_32G 0xfffffff800000000ull
84 
85 #define IOPMU_OUTBOUND_INT_MSG0      1
86 #define IOPMU_OUTBOUND_INT_MSG1      2
87 #define IOPMU_OUTBOUND_INT_DOORBELL  4
88 #define IOPMU_OUTBOUND_INT_POSTQUEUE 8
89 #define IOPMU_OUTBOUND_INT_PCI       0x10
90 
91 #define IOPMU_INBOUND_INT_MSG0       1
92 #define IOPMU_INBOUND_INT_MSG1       2
93 #define IOPMU_INBOUND_INT_DOORBELL   4
94 #define IOPMU_INBOUND_INT_ERROR      8
95 #define IOPMU_INBOUND_INT_POSTQUEUE  0x10
96 
97 #define MVIOP_QUEUE_LEN  512
98 struct hpt_iopmu_mv {
99 	u_int32_t inbound_head;
100 	u_int32_t inbound_tail;
101 	u_int32_t outbound_head;
102 	u_int32_t outbound_tail;
103 	u_int32_t inbound_msg;
104 	u_int32_t outbound_msg;
105 	u_int32_t reserve[10];
106 	u_int64_t inbound_q[MVIOP_QUEUE_LEN];
107 	u_int64_t outbound_q[MVIOP_QUEUE_LEN];
108 };
109 
110 struct hpt_iopmv_regs {
111 	u_int32_t reserved[0x20400 / 4];
112 	u_int32_t inbound_doorbell;
113 	u_int32_t inbound_intmask;
114 	u_int32_t outbound_doorbell;
115 	u_int32_t outbound_intmask;
116 };
117 
118 #define CL_POINTER_TOGGLE        0x00004000
119 #define CPU_TO_F0_DRBL_MSG_A_BIT 0x02000000
120 
121 #pragma pack(1)
122 struct hpt_iopmu_mvfrey {
123 	u_int32_t reserved[0x4000 / 4];
124 
125 	/* hpt_frey_com_reg */
126 	u_int32_t inbound_base; /* 0x4000 : 0 */
127 	u_int32_t inbound_base_high; /* 4 */
128 	u_int32_t reserved2[(0x18 - 8)/ 4];
129 	u_int32_t inbound_write_ptr; /* 0x18 */
130 	u_int32_t inbound_read_ptr; /* 0x1c */
131 	u_int32_t reserved3[(0x2c - 0x20) / 4];
132 	u_int32_t inbound_conf_ctl; /* 0x2c */
133 	u_int32_t reserved4[(0x50 - 0x30) / 4];
134 	u_int32_t outbound_base; /* 0x50 */
135 	u_int32_t outbound_base_high; /* 0x54 */
136 	u_int32_t outbound_shadow_base; /* 0x58 */
137 	u_int32_t outbound_shadow_base_high; /* 0x5c */
138 	u_int32_t reserved5[(0x68 - 0x60) / 4];
139 	u_int32_t outbound_write; /* 0x68 */
140 	u_int32_t reserved6[(0x70 - 0x6c) / 4];
141 	u_int32_t outbound_read; /* 0x70 */
142 	u_int32_t reserved7[(0x88 - 0x74) / 4];
143 	u_int32_t isr_cause; /* 0x88 */
144 	u_int32_t isr_enable; /* 0x8c */
145 
146 	u_int32_t reserved8[(0x10200 - 0x4090) / 4];
147 
148 	/* hpt_frey_intr_ctl intr_ctl */
149 	u_int32_t main_int_cuase; /* 0x10200: 0 */
150 	u_int32_t main_irq_enable; /* 4 */
151 	u_int32_t main_fiq_enable; /* 8 */
152 	u_int32_t pcie_f0_int_enable; /* 0xc */
153 	u_int32_t pcie_f1_int_enable; /* 0x10 */
154 	u_int32_t pcie_f2_int_enable; /* 0x14 */
155 	u_int32_t pcie_f3_int_enable; /* 0x18 */
156 
157 	u_int32_t reserved9[(0x10400 - 0x1021c) / 4];
158 
159 	/* hpt_frey_msg_drbl */
160 	u_int32_t f0_to_cpu_msg_a; /* 0x10400: 0 */
161 	u_int32_t reserved10[(0x20 - 4) / 4];
162 	u_int32_t cpu_to_f0_msg_a; /* 0x20 */
163 	u_int32_t reserved11[(0x80 - 0x24) / 4];
164 	u_int32_t f0_doorbell; /* 0x80 */
165 	u_int32_t f0_doorbell_enable; /* 0x84 */
166 };
167 
168 struct mvfrey_inlist_entry {
169 	u_int64_t addr;
170 	u_int32_t intrfc_len;
171 	u_int32_t reserved;
172 };
173 
174 struct mvfrey_outlist_entry {
175 	u_int32_t val;
176 };
177 
178 #pragma pack()
179 
180 #define MVIOP_IOCTLCFG_SIZE	0x800
181 #define MVIOP_MU_QUEUE_ADDR_HOST_MASK   (~(0x1full))
182 #define MVIOP_MU_QUEUE_ADDR_HOST_BIT    4
183 
184 #define MVIOP_MU_QUEUE_ADDR_IOP_HIGH32  0xffffffff
185 #define MVIOP_MU_QUEUE_REQUEST_RESULT_BIT   1
186 #define MVIOP_MU_QUEUE_REQUEST_RETURN_CONTEXT 2
187 
188 #define MVIOP_MU_INBOUND_INT_MSG        1
189 #define MVIOP_MU_INBOUND_INT_POSTQUEUE  2
190 #define MVIOP_MU_OUTBOUND_INT_MSG       1
191 #define MVIOP_MU_OUTBOUND_INT_POSTQUEUE 2
192 
193 #define MVIOP_CMD_TYPE_GET_CONFIG (1 << 5)
194 #define MVIOP_CMD_TYPE_SET_CONFIG (1 << 6)
195 #define MVIOP_CMD_TYPE_SCSI (1 << 7)
196 #define MVIOP_CMD_TYPE_IOCTL (1 << 8)
197 #define MVIOP_CMD_TYPE_BLOCK (1 << 9)
198 
199 #define MVIOP_REQUEST_NUMBER_START_BIT 16
200 
201 #define MVFREYIOPMU_QUEUE_REQUEST_RESULT_BIT   0x40000000
202 
203 enum hpt_iopmu_message {
204 	/* host-to-iop messages */
205 	IOPMU_INBOUND_MSG0_NOP = 0,
206 	IOPMU_INBOUND_MSG0_RESET,
207 	IOPMU_INBOUND_MSG0_FLUSH,
208 	IOPMU_INBOUND_MSG0_SHUTDOWN,
209 	IOPMU_INBOUND_MSG0_STOP_BACKGROUND_TASK,
210 	IOPMU_INBOUND_MSG0_START_BACKGROUND_TASK,
211 	IOPMU_INBOUND_MSG0_RESET_COMM,
212 	IOPMU_INBOUND_MSG0_MAX = 0xff,
213 	/* iop-to-host messages */
214 	IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_0 = 0x100,
215 	IOPMU_OUTBOUND_MSG0_REGISTER_DEVICE_MAX = 0x1ff,
216 	IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_0 = 0x200,
217 	IOPMU_OUTBOUND_MSG0_UNREGISTER_DEVICE_MAX = 0x2ff,
218 	IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_0 = 0x300,
219 	IOPMU_OUTBOUND_MSG0_REVALIDATE_DEVICE_MAX = 0x3ff,
220 };
221 
222 #define IOP_REQUEST_FLAG_SYNC_REQUEST 1
223 #define IOP_REQUEST_FLAG_BIST_REQUEST 2
224 #define IOP_REQUEST_FLAG_REMAPPED     4
225 #define IOP_REQUEST_FLAG_OUTPUT_CONTEXT 8
226 
227 #define IOP_REQUEST_FLAG_ADDR_BITS 0x40 /* flags[31:16] is phy_addr[47:32] */
228 
229 enum hpt_iop_request_type {
230 	IOP_REQUEST_TYPE_GET_CONFIG = 0,
231 	IOP_REQUEST_TYPE_SET_CONFIG,
232 	IOP_REQUEST_TYPE_BLOCK_COMMAND,
233 	IOP_REQUEST_TYPE_SCSI_COMMAND,
234 	IOP_REQUEST_TYPE_IOCTL_COMMAND,
235 	IOP_REQUEST_TYPE_MAX
236 };
237 
238 enum hpt_iop_result_type {
239 	IOP_RESULT_PENDING = 0,
240 	IOP_RESULT_SUCCESS,
241 	IOP_RESULT_FAIL,
242 	IOP_RESULT_BUSY,
243 	IOP_RESULT_RESET,
244 	IOP_RESULT_INVALID_REQUEST,
245 	IOP_RESULT_BAD_TARGET,
246 	IOP_RESULT_CHECK_CONDITION,
247 };
248 
249 #pragma pack(1)
250 struct hpt_iop_request_header {
251 	u_int32_t size;
252 	u_int32_t type;
253 	u_int32_t flags;
254 	u_int32_t result;
255 	u_int64_t context; /* host context */
256 };
257 
258 struct hpt_iop_request_get_config {
259 	struct hpt_iop_request_header header;
260 	u_int32_t interface_version;
261 	u_int32_t firmware_version;
262 	u_int32_t max_requests;
263 	u_int32_t request_size;
264 	u_int32_t max_sg_count;
265 	u_int32_t data_transfer_length;
266 	u_int32_t alignment_mask;
267 	u_int32_t max_devices;
268 	u_int32_t sdram_size;
269 };
270 
271 struct hpt_iop_request_set_config {
272 	struct hpt_iop_request_header header;
273 	u_int32_t iop_id;
274 	u_int16_t vbus_id;
275 	u_int16_t max_host_request_size;
276 	u_int32_t reserve[6];
277 };
278 
279 struct hpt_iopsg {
280 	u_int32_t size;
281 	u_int32_t eot; /* non-zero: end of table */
282 	u_int64_t pci_address;
283 };
284 
285 #define IOP_BLOCK_COMMAND_READ     1
286 #define IOP_BLOCK_COMMAND_WRITE    2
287 #define IOP_BLOCK_COMMAND_VERIFY   3
288 #define IOP_BLOCK_COMMAND_FLUSH    4
289 #define IOP_BLOCK_COMMAND_SHUTDOWN 5
290 struct hpt_iop_request_block_command {
291 	struct hpt_iop_request_header header;
292 	u_int8_t     channel;
293 	u_int8_t     target;
294 	u_int8_t     lun;
295 	u_int8_t     pad1;
296 	u_int16_t    command; /* IOP_BLOCK_COMMAND_{READ,WRITE} */
297 	u_int16_t    sectors;
298 	u_int64_t    lba;
299 	struct hpt_iopsg sg_list[1];
300 };
301 
302 struct hpt_iop_request_scsi_command {
303 	struct hpt_iop_request_header header;
304 	u_int8_t     channel;
305 	u_int8_t     target;
306 	u_int8_t     lun;
307 	u_int8_t     pad1;
308 	u_int8_t     cdb[16];
309 	u_int32_t    dataxfer_length;
310 	struct hpt_iopsg sg_list[1];
311 };
312 
313 struct hpt_iop_request_ioctl_command {
314 	struct hpt_iop_request_header header;
315 	u_int32_t    ioctl_code;
316 	u_int32_t    inbuf_size;
317 	u_int32_t    outbuf_size;
318 	u_int32_t    bytes_returned;
319 	u_int8_t     buf[1];
320 	/* out data should be put at buf[(inbuf_size+3)&~3] */
321 };
322 
323 struct hpt_iop_ioctl_param {
324 	u_int32_t        Magic;                 /* used to check if it's a valid ioctl packet */
325 	u_int32_t        dwIoControlCode;       /* operation control code */
326 	unsigned long    lpInBuffer;            /* input data buffer */
327 	u_int32_t        nInBufferSize;         /* size of input data buffer */
328 	unsigned long    lpOutBuffer;           /* output data buffer */
329 	u_int32_t        nOutBufferSize;        /* size of output data buffer */
330 	unsigned long    lpBytesReturned;       /* count of HPT_U8s returned */
331 } __packed;
332 
333 #define HPT_IOCTL_FLAG_OPEN 1
334 #define HPT_CTL_CODE_BSD_TO_IOP(x) ((x)-0xff00)
335 
336 typedef struct cdev * ioctl_dev_t;
337 
338 typedef struct thread * ioctl_thread_t;
339 
340 struct hpt_iop_hba {
341 	struct hptiop_adapter_ops *ops;
342 	union {
343 		struct {
344 			struct hpt_iopmu_itl *mu;
345 		} itl;
346 		struct {
347 			struct hpt_iopmv_regs *regs;
348 			struct hpt_iopmu_mv *mu;
349 		} mv;
350 		struct {
351 			struct hpt_iop_request_get_config *config;
352 			struct hpt_iopmu_mvfrey *mu;
353 
354 			int internal_mem_size;
355 			int list_count;
356 			struct mvfrey_inlist_entry *inlist;
357 			u_int64_t inlist_phy;
358 			u_int32_t inlist_wptr;
359 			struct mvfrey_outlist_entry *outlist;
360 			u_int64_t outlist_phy;
361 			u_int32_t *outlist_cptr; /* copy pointer shadow */
362 			u_int64_t outlist_cptr_phy;
363 			u_int32_t outlist_rptr;
364 		} mvfrey;
365 	} u;
366 
367 	struct hpt_iop_hba    *next;
368 
369 	u_int32_t             firmware_version;
370 	u_int32_t             interface_version;
371 	u_int32_t             max_devices;
372 	u_int32_t             max_requests;
373 	u_int32_t             max_request_size;
374 	u_int32_t             max_sg_count;
375 
376 	u_int32_t             msg_done;
377 
378 	device_t              pcidev;
379 	u_int32_t             pciunit;
380 	ioctl_dev_t           ioctl_dev;
381 
382 	bus_dma_tag_t         parent_dmat;
383 	bus_dma_tag_t         io_dmat;
384 	bus_dma_tag_t         srb_dmat;
385 	bus_dma_tag_t	      ctlcfg_dmat;
386 
387 	bus_dmamap_t          srb_dmamap;
388 	bus_dmamap_t          ctlcfg_dmamap;
389 
390 	struct resource       *bar0_res;
391 	bus_space_tag_t       bar0t;
392 	bus_space_handle_t    bar0h;
393 	int                   bar0_rid;
394 
395 	struct resource       *bar2_res;
396 	bus_space_tag_t	      bar2t;
397 	bus_space_handle_t    bar2h;
398 	int                   bar2_rid;
399 
400 	/* to release */
401 	u_int8_t              *uncached_ptr;
402 	void		      *ctlcfg_ptr;
403 	/* for scsi request block */
404 	struct hpt_iop_srb    *srb_list;
405 	/* for interrupt */
406 	struct resource       *irq_res;
407 	void                  *irq_handle;
408 
409 	/* for ioctl and set/get config */
410 	struct resource	      *ctlcfg_res;
411 	void		      *ctlcfg_handle;
412 	u_int64_t             ctlcfgcmd_phy;
413 	u_int32_t             config_done; /* can be negative value */
414 	u_int32_t             initialized:1;
415 
416 	/* other resources */
417 	struct cam_sim        *sim;
418 	struct cam_path       *path;
419 	void                  *req;
420 	struct mtx            lock;
421 #define HPT_IOCTL_FLAG_OPEN     1
422 	u_int32_t             flag;
423 	struct hpt_iop_srb* srb[HPT_SRB_MAX_QUEUE_SIZE];
424 };
425 #pragma pack()
426 
427 enum hptiop_family {
428 	INTEL_BASED_IOP = 0,
429 	MV_BASED_IOP,
430 	MVFREY_BASED_IOP,
431 	UNKNOWN_BASED_IOP = 0xf
432 };
433 
434 struct hptiop_adapter_ops {
435 	enum hptiop_family family;
436 	int  (*iop_wait_ready)(struct hpt_iop_hba *hba, u_int32_t millisec);
437 	int  (*internal_memalloc)(struct hpt_iop_hba *hba);
438 	int  (*internal_memfree)(struct hpt_iop_hba *hba);
439 	int  (*alloc_pci_res)(struct hpt_iop_hba *hba);
440 	void (*release_pci_res)(struct hpt_iop_hba *hba);
441 	void (*enable_intr)(struct hpt_iop_hba *hba);
442 	void (*disable_intr)(struct hpt_iop_hba *hba);
443 	int  (*get_config)(struct hpt_iop_hba *hba,
444 				struct hpt_iop_request_get_config *config);
445 	int  (*set_config)(struct hpt_iop_hba *hba,
446 				struct hpt_iop_request_set_config *config);
447 	int  (*iop_intr)(struct hpt_iop_hba *hba);
448 	void (*post_msg)(struct hpt_iop_hba *hba, u_int32_t msg);
449 	void (*post_req)(struct hpt_iop_hba *hba, struct hpt_iop_srb *srb, bus_dma_segment_t *segs, int nsegs);
450 	int (*do_ioctl)(struct hpt_iop_hba *hba, struct hpt_iop_ioctl_param * pParams);
451 	int (*reset_comm)(struct hpt_iop_hba *hba);
452 };
453 
454 struct hpt_iop_srb {
455 	u_int8_t             req[HPT_SRB_MAX_REQ_SIZE];
456 	struct hpt_iop_hba   *hba;
457 	union ccb            *ccb;
458 	struct hpt_iop_srb   *next;
459 	bus_dmamap_t         dma_map;
460 	u_int64_t            phy_addr;
461 	u_int32_t            srb_flag;
462 	int                  index;
463 	struct callout	     timeout;
464 };
465 
466 #define hptiop_lock_adapter(hba)   mtx_lock(&(hba)->lock)
467 #define hptiop_unlock_adapter(hba) mtx_unlock(&(hba)->lock)
468 
469 #define HPT_OSM_TIMEOUT (20*hz)  /* timeout value for OS commands */
470 
471 #define HPT_DO_IOCONTROL    _IOW('H', 0, struct hpt_iop_ioctl_param)
472 #define HPT_SCAN_BUS        _IO('H', 1)
473 
474 static  __inline int hptiop_sleep(struct hpt_iop_hba *hba, void *ident,
475 				int priority, const char *wmesg, int timo)
476 {
477 
478 	int retval;
479 
480 	retval = msleep(ident, &hba->lock, priority, wmesg, timo);
481 
482 	return retval;
483 
484 }
485 
486 
487 #define HPT_DEV_MAJOR   200
488 
489 #endif
490 
491