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[SCSI] fusion - exposing raid components in mptsas
[linux-2.6-block.git] / drivers / message / fusion / mptbase.h
CommitLineData
1da177e4
LT		 1/*
2 * linux/drivers/message/fusion/mptbase.h
3 * High performance SCSI + LAN / Fibre Channel device drivers.
4 * For use with PCI chip/adapter(s):
5 * LSIFC9xx/LSI409xx Fibre Channel
6 * running LSI Logic Fusion MPT (Message Passing Technology) firmware.
7 *
7fadc87e 8 * Copyright (c) 1999-2005 LSI Logic Corporation
1da177e4
LT		 9 * (mailto:mpt_linux_developer@lsil.com)
10 *
1da177e4
LT		 11 */
12/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
13/*
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; version 2 of the License.
17
18 This program is distributed in the hope that it will be useful,
19 but WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 GNU General Public License for more details.
22
23 NO WARRANTY
24 THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
25 CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
26 LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
27 MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
28 solely responsible for determining the appropriateness of using and
29 distributing the Program and assumes all risks associated with its
30 exercise of rights under this Agreement, including but not limited to
31 the risks and costs of program errors, damage to or loss of data,
32 programs or equipment, and unavailability or interruption of operations.
33
34 DISCLAIMER OF LIABILITY
35 NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
36 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37 DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
38 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
39 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
40 USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
41 HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
42
43 You should have received a copy of the GNU General Public License
44 along with this program; if not, write to the Free Software
45 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
46*/
47
48#ifndef MPTBASE_H_INCLUDED
49#define MPTBASE_H_INCLUDED
50/*{-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
51
1da177e4
LT		 52#include <linux/config.h>
53#include <linux/kernel.h>
54#include <linux/pci.h>
55
56#include "lsi/mpi_type.h"
57#include "lsi/mpi.h" /* Fusion MPI(nterface) basic defs */
58#include "lsi/mpi_ioc.h" /* Fusion MPT IOC(ontroller) defs */
59#include "lsi/mpi_cnfg.h" /* IOC configuration support */
60#include "lsi/mpi_init.h" /* SCSI Host (initiator) protocol support */
61#include "lsi/mpi_lan.h" /* LAN over FC protocol support */
62#include "lsi/mpi_raid.h" /* Integrated Mirroring support */
63
64#include "lsi/mpi_fc.h" /* Fibre Channel (lowlevel) support */
65#include "lsi/mpi_targ.h" /* SCSI/FCP Target protcol support */
66#include "lsi/mpi_tool.h" /* Tools support */
82ffb671 67#include "lsi/mpi_sas.h" /* SAS support */
1da177e4
LT		 68
69/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
70
71#ifndef MODULEAUTHOR
72#define MODULEAUTHOR "LSI Logic Corporation"
73#endif
74
75#ifndef COPYRIGHT
7fadc87e 76#define COPYRIGHT "Copyright (c) 1999-2005 " MODULEAUTHOR
1da177e4
LT		 77#endif
78
fda4c2c8
ME		 79#define MPT_LINUX_VERSION_COMMON "3.03.07"
80#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.03.07"
1da177e4
LT		 81#define WHAT_MAGIC_STRING "@" "(" "#" ")"
82
83#define show_mptmod_ver(s,ver) \
84 printk(KERN_INFO "%s %s\n", s, ver);
85
86/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
87/*
88 * Fusion MPT(linux) driver configurable stuff...
89 */
90#define MPT_MAX_ADAPTERS 18
91#define MPT_MAX_PROTOCOL_DRIVERS 16
92#define MPT_MAX_BUS 1 /* Do not change */
93#define MPT_MAX_FC_DEVICES 255
94#define MPT_MAX_SCSI_DEVICES 16
95#define MPT_LAST_LUN 255
96#define MPT_SENSE_BUFFER_ALLOC 64
97 /* allow for 256 max sense alloc, but only 255 max request */
98#if MPT_SENSE_BUFFER_ALLOC >= 256
99# undef MPT_SENSE_BUFFER_ALLOC
100# define MPT_SENSE_BUFFER_ALLOC 256
101# define MPT_SENSE_BUFFER_SIZE 255
102#else
103# define MPT_SENSE_BUFFER_SIZE MPT_SENSE_BUFFER_ALLOC
104#endif
105
106#define MPT_NAME_LENGTH 32
107
108#define MPT_PROCFS_MPTBASEDIR "mpt"
109 /* chg it to "driver/fusion" ? */
110#define MPT_PROCFS_SUMMARY_ALL_NODE MPT_PROCFS_MPTBASEDIR "/summary"
111#define MPT_PROCFS_SUMMARY_ALL_PATHNAME "/proc/" MPT_PROCFS_SUMMARY_ALL_NODE
112#define MPT_FW_REV_MAGIC_ID_STRING "FwRev="
113
114#define MPT_MAX_REQ_DEPTH 1023
115#define MPT_DEFAULT_REQ_DEPTH 256
116#define MPT_MIN_REQ_DEPTH 128
117
118#define MPT_MAX_REPLY_DEPTH MPT_MAX_REQ_DEPTH
119#define MPT_DEFAULT_REPLY_DEPTH 128
120#define MPT_MIN_REPLY_DEPTH 8
121#define MPT_MAX_REPLIES_PER_ISR 32
122
123#define MPT_MAX_FRAME_SIZE 128
124#define MPT_DEFAULT_FRAME_SIZE 128
125
928496ac 126#define MPT_REPLY_FRAME_SIZE 0x50 /* Must be a multiple of 8 */
1da177e4
LT		 127
128#define MPT_SG_REQ_128_SCALE 1
129#define MPT_SG_REQ_96_SCALE 2
130#define MPT_SG_REQ_64_SCALE 4
131
132#define CAN_SLEEP 1
133#define NO_SLEEP 0
134
135#define MPT_COALESCING_TIMEOUT 0x10
136
137/*
138 * SCSI transfer rate defines.
139 */
140#define MPT_ULTRA320 0x08
141#define MPT_ULTRA160 0x09
142#define MPT_ULTRA2 0x0A
143#define MPT_ULTRA 0x0C
144#define MPT_FAST 0x19
145#define MPT_SCSI 0x32
146#define MPT_ASYNC 0xFF
147
148#define MPT_NARROW 0
149#define MPT_WIDE 1
150
151#define C0_1030 0x08
152#define XL_929 0x01
153
154
155/*
156 * Try to keep these at 2^N-1
157 */
158#define MPT_FC_CAN_QUEUE 127
159#define MPT_SCSI_CAN_QUEUE 127
160
161/*
162 * Set the MAX_SGE value based on user input.
163 */
164#ifdef CONFIG_FUSION_MAX_SGE
165#if CONFIG_FUSION_MAX_SGE < 16
166#define MPT_SCSI_SG_DEPTH 16
167#elif CONFIG_FUSION_MAX_SGE > 128
168#define MPT_SCSI_SG_DEPTH 128
169#else
170#define MPT_SCSI_SG_DEPTH CONFIG_FUSION_MAX_SGE
171#endif
172#else
173#define MPT_SCSI_SG_DEPTH 40
174#endif
175
176#ifdef __KERNEL__ /* { */
177/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
178
179#include <linux/proc_fs.h>
180
181/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
182/*
183 * Attempt semi-consistent error & warning msgs across
184 * MPT drivers. NOTE: Users of these macro defs must
185 * themselves define their own MYNAM.
186 */
187#define MYIOC_s_INFO_FMT KERN_INFO MYNAM ": %s: "
188#define MYIOC_s_NOTE_FMT KERN_NOTICE MYNAM ": %s: "
189#define MYIOC_s_WARN_FMT KERN_WARNING MYNAM ": %s: WARNING - "
190#define MYIOC_s_ERR_FMT KERN_ERR MYNAM ": %s: ERROR - "
191
192/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
193/*
194 * MPT protocol driver defs...
195 */
196typedef enum {
197 MPTBASE_DRIVER, /* MPT base class */
198 MPTCTL_DRIVER, /* MPT ioctl class */
7fadc87e
MED		 199 MPTSPI_DRIVER, /* MPT SPI host class */
200 MPTFC_DRIVER, /* MPT FC host class */
201 MPTSAS_DRIVER, /* MPT SAS host class */
1da177e4
LT		 202 MPTLAN_DRIVER, /* MPT LAN class */
203 MPTSTM_DRIVER, /* MPT SCSI target mode class */
204 MPTUNKNOWN_DRIVER
205} MPT_DRIVER_CLASS;
206
207struct mpt_pci_driver{
208 int (*probe) (struct pci_dev *dev, const struct pci_device_id *id);
209 void (*remove) (struct pci_dev *dev);
1da177e4
LT		 210};
211
212/*
213 * MPT adapter / port / bus / device info structures...
214 */
215
216typedef union _MPT_FRAME_TRACKER {
217 struct {
218 struct list_head list;
219 u32 arg1;
220 u32 pad;
221 void *argp1;
222 } linkage;
223 /*
224 * NOTE: When request frames are free, on the linkage structure
225 * contets are valid. All other values are invalid.
226 * In particular, do NOT reply on offset [2]
227 * (in words) being the * message context.
228 * The message context must be reset (computed via base address
229 * + an offset) prior to issuing any command.
230 *
231 * NOTE2: On non-32-bit systems, where pointers are LARGE,
232 * using the linkage pointers destroys our sacred MsgContext
233 * field contents. But we don't care anymore because these
234 * are now reset in mpt_put_msg_frame() just prior to sending
235 * a request off to the IOC.
236 */
237 struct {
238 u32 __hdr[2];
239 /*
240 * The following _MUST_ match the location of the
241 * MsgContext field in the MPT message headers.
242 */
243 union {
244 u32 MsgContext;
245 struct {
246 u16 req_idx; /* Request index */
247 u8 cb_idx; /* callback function index */
248 u8 rsvd;
249 } fld;
250 } msgctxu;
251 } hwhdr;
252 /*
253 * Remark: 32 bit identifier:
254 * 31-24: reserved
255 * 23-16: call back index
256 * 15-0 : request index
257 */
258} MPT_FRAME_TRACKER;
259
260/*
261 * We might want to view/access a frame as:
262 * 1) generic request header
263 * 2) SCSIIORequest
264 * 3) SCSIIOReply
265 * 4) MPIDefaultReply
266 * 5) frame tracker
267 */
268typedef struct _MPT_FRAME_HDR {
269 union {
270 MPIHeader_t hdr;
271 SCSIIORequest_t scsireq;
272 SCSIIOReply_t sreply;
273 ConfigReply_t configreply;
274 MPIDefaultReply_t reply;
275 MPT_FRAME_TRACKER frame;
276 } u;
277} MPT_FRAME_HDR;
278
279#define MPT_REQ_MSGFLAGS_DROPME 0x80
280
281typedef struct _MPT_SGL_HDR {
282 SGESimple32_t sge[1];
283} MPT_SGL_HDR;
284
285typedef struct _MPT_SGL64_HDR {
286 SGESimple64_t sge[1];
287} MPT_SGL64_HDR;
288
289/*
290 * System interface register set
291 */
292
293typedef struct _SYSIF_REGS
294{
295 u32 Doorbell; /* 00 System<->IOC Doorbell reg */
296 u32 WriteSequence; /* 04 Write Sequence register */
297 u32 Diagnostic; /* 08 Diagnostic register */
298 u32 TestBase; /* 0C Test Base Address */
299 u32 DiagRwData; /* 10 Read Write Data (fw download) */
300 u32 DiagRwAddress; /* 14 Read Write Address (fw download)*/
301 u32 Reserved1[6]; /* 18-2F reserved for future use */
302 u32 IntStatus; /* 30 Interrupt Status */
303 u32 IntMask; /* 34 Interrupt Mask */
304 u32 Reserved2[2]; /* 38-3F reserved for future use */
305 u32 RequestFifo; /* 40 Request Post/Free FIFO */
306 u32 ReplyFifo; /* 44 Reply Post/Free FIFO */
307 u32 Reserved3[2]; /* 48-4F reserved for future use */
308 u32 HostIndex; /* 50 Host Index register */
309 u32 Reserved4[15]; /* 54-8F */
310 u32 Fubar; /* 90 For Fubar usage */
311 u32 Reserved5[27]; /* 94-FF */
312} SYSIF_REGS;
313
314/*
315 * NOTE: Use MPI_{DOORBELL,WRITESEQ,DIAG}_xxx defs in lsi/mpi.h
316 * in conjunction with SYSIF_REGS accesses!
317 */
318
319
320/*
321 * Dynamic Multi-Pathing specific stuff...
322 */
323
c7c82987 324/* VirtTarget negoFlags field */
1da177e4
LT		 325#define MPT_TARGET_NO_NEGO_WIDE 0x01
326#define MPT_TARGET_NO_NEGO_SYNC 0x02
327#define MPT_TARGET_NO_NEGO_QAS 0x04
328#define MPT_TAPE_NEGO_IDP 0x08
329
330/*
331 * VirtDevice - FC LUN device or SCSI target device
332 */
c7c82987 333typedef struct _VirtTarget {
c92f222e 334 struct scsi_target *starget;
1da177e4
LT		 335 u8 tflags;
336 u8 ioc_id;
337 u8 target_id;
338 u8 bus_id;
339 u8 minSyncFactor; /* 0xFF is async */
340 u8 maxOffset; /* 0 if async */
341 u8 maxWidth; /* 0 if narrow, 1 if wide */
342 u8 negoFlags; /* bit field, see above */
343 u8 raidVolume; /* set, if RAID Volume */
344 u8 type; /* byte 0 of Inquiry data */
1da177e4
LT		 345 u32 num_luns;
346 u32 luns[8]; /* Max LUNs is 256 */
c7c82987
MED		 347} VirtTarget;
348
349typedef struct _VirtDevice {
914c2d8e 350 VirtTarget *vtarget;
c7c82987
MED		 351 u8 configured_lun;
352 u32 lun;
1da177e4
LT		 353} VirtDevice;
354
355/*
356 * Fibre Channel (SCSI) target device and associated defines...
357 */
358#define MPT_TARGET_DEFAULT_DV_STATUS 0x00
359#define MPT_TARGET_FLAGS_VALID_NEGO 0x01
360#define MPT_TARGET_FLAGS_VALID_INQUIRY 0x02
361#define MPT_TARGET_FLAGS_Q_YES 0x08
362#define MPT_TARGET_FLAGS_VALID_56 0x10
363#define MPT_TARGET_FLAGS_SAF_TE_ISSUED 0x20
c92f222e 364#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x40
1da177e4
LT		 365
366/*
367 * /proc/mpt interface
368 */
369typedef struct {
370 const char *name;
371 mode_t mode;
372 int pad;
373 read_proc_t *read_proc;
374 write_proc_t *write_proc;
375} mpt_proc_entry_t;
376
377#define MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len) \
378do { \
379 len -= offset; \
380 if (len < request) { \
381 *eof = 1; \
382 if (len <= 0) \
383 return 0; \
384 } else \
385 len = request; \
386 *start = buf + offset; \
387 return len; \
388} while (0)
389
390
391/*
392 * IOCTL structure and associated defines
393 */
394
395#define MPT_IOCTL_STATUS_DID_IOCRESET 0x01 /* IOC Reset occurred on the current*/
396#define MPT_IOCTL_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
397#define MPT_IOCTL_STATUS_TIMER_ACTIVE 0x04 /* The timer is running */
398#define MPT_IOCTL_STATUS_SENSE_VALID 0x08 /* Sense data is valid */
399#define MPT_IOCTL_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
400#define MPT_IOCTL_STATUS_TMTIMER_ACTIVE 0x20 /* The TM timer is running */
401#define MPT_IOCTL_STATUS_TM_FAILED 0x40 /* User TM request failed */
402
403#define MPTCTL_RESET_OK 0x01 /* Issue Bus Reset */
404
405typedef struct _MPT_IOCTL {
406 struct _MPT_ADAPTER *ioc;
407 u8 ReplyFrame[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
408 u8 sense[MPT_SENSE_BUFFER_ALLOC];
409 int wait_done; /* wake-up value for this ioc */
410 u8 rsvd;
411 u8 status; /* current command status */
412 u8 reset; /* 1 if bus reset allowed */
413 u8 target; /* target for reset */
eeb846ce 414 struct mutex ioctl_mutex;
1da177e4
LT		 415} MPT_IOCTL;
416
da4fa655
CH		 417#define MPT_SAS_MGMT_STATUS_RF_VALID 0x02 /* The Reply Frame is VALID */
418#define MPT_SAS_MGMT_STATUS_COMMAND_GOOD 0x10 /* Command Status GOOD */
419#define MPT_SAS_MGMT_STATUS_TM_FAILED 0x40 /* User TM request failed */
420
421typedef struct _MPT_SAS_MGMT {
eeb846ce 422 struct mutex mutex;
da4fa655
CH		 423 struct completion done;
424 u8 reply[MPT_DEFAULT_FRAME_SIZE]; /* reply frame data */
425 u8 status; /* current command status */
426}MPT_SAS_MGMT;
427
1da177e4
LT		 428/*
429 * Event Structure and define
430 */
466544d8 431#define MPTCTL_EVENT_LOG_SIZE (0x000000032)
1da177e4
LT		 432typedef struct _mpt_ioctl_events {
433 u32 event; /* Specified by define above */
434 u32 eventContext; /* Index or counter */
435 int data[2]; /* First 8 bytes of Event Data */
436} MPT_IOCTL_EVENTS;
437
438/*
439 * CONFIGPARM status defines
440 */
441#define MPT_CONFIG_GOOD MPI_IOCSTATUS_SUCCESS
442#define MPT_CONFIG_ERROR 0x002F
443
444/*
445 * Substructure to store SCSI specific configuration page data
446 */
447 /* dvStatus defines: */
1da177e4
LT		 448#define MPT_SCSICFG_USE_NVRAM 0x01 /* WriteSDP1 using NVRAM */
449#define MPT_SCSICFG_ALL_IDS 0x02 /* WriteSDP1 to all IDS */
450/* #define MPT_SCSICFG_BLK_NEGO 0x10 WriteSDP1 with WDTR and SDTR disabled */
451
466544d8 452typedef struct _SpiCfgData {
1da177e4
LT		 453 u32 PortFlags;
454 int *nvram; /* table of device NVRAM values */
1da177e4
LT		 455 IOCPage4_t *pIocPg4; /* SEP devices addressing */
456 dma_addr_t IocPg4_dma; /* Phys Addr of IOCPage4 data */
457 int IocPg4Sz; /* IOCPage4 size */
1da177e4
LT		 458 u8 minSyncFactor; /* 0xFF if async */
459 u8 maxSyncOffset; /* 0 if async */
460 u8 maxBusWidth; /* 0 if narrow, 1 if wide */
461 u8 busType; /* SE, LVD, HD */
462 u8 sdp1version; /* SDP1 version */
463 u8 sdp1length; /* SDP1 length */
464 u8 sdp0version; /* SDP0 version */
465 u8 sdp0length; /* SDP0 length */
466 u8 dvScheduled; /* 1 if scheduled */
1da177e4 467 u8 noQas; /* Disable QAS for this adapter */
466544d8
MED		 468 u8 Saf_Te; /* 1 to force all Processors as
469 * SAF-TE if Inquiry data length
470 * is too short to check for SAF-TE
471 */
466544d8 472 u8 bus_reset; /* 1 to allow bus reset */
1da177e4 473 u8 rsvd[1];
466544d8 474}SpiCfgData;
1da177e4 475
82ffb671
CH		 476typedef struct _SasCfgData {
477 u8 ptClear; /* 1 to automatically clear the
478 * persistent table.
479 * 0 to disable
480 * automatic clearing.
481 */
482}SasCfgData;
483
466544d8
MED		 484typedef struct _RaidCfgData {
485 IOCPage2_t *pIocPg2; /* table of Raid Volumes */
486 IOCPage3_t *pIocPg3; /* table of physical disks */
487 int isRaid; /* bit field, 1 if RAID */
488}RaidCfgData;
489
05e8ec17
MR		 490#define MPT_RPORT_INFO_FLAGS_REGISTERED 0x01 /* rport registered */
491#define MPT_RPORT_INFO_FLAGS_MISSING 0x02 /* missing from DevPage0 scan */
492#define MPT_RPORT_INFO_FLAGS_MAPPED_VDEV 0x04 /* target mapped in vdev */
493
494/*
495 * data allocated for each fc rport device
496 */
497struct mptfc_rport_info
498{
499 struct list_head list;
500 struct fc_rport *rport;
3bc7bf1d 501 struct scsi_target *starget;
05e8ec17
MR		 502 FCDevicePage0_t pg0;
503 u8 flags;
3bc7bf1d 504 u8 remap_needed;
05e8ec17
MR		 505};
506
1da177e4
LT		 507/*
508 * Adapter Structure - pci_dev specific. Maximum: MPT_MAX_ADAPTERS
509 */
510typedef struct _MPT_ADAPTER
511{
512 int id; /* Unique adapter id N {0,1,2,...} */
513 int pci_irq; /* This irq */
514 char name[MPT_NAME_LENGTH]; /* "iocN" */
515 char *prod_name; /* "LSIFC9x9" */
516 SYSIF_REGS __iomem *chip; /* == c8817000 (mmap) */
517 SYSIF_REGS __iomem *pio_chip; /* Programmed IO (downloadboot) */
518 u8 bus_type;
519 u32 mem_phys; /* == f4020000 (mmap) */
520 u32 pio_mem_phys; /* Programmed IO (downloadboot) */
521 int mem_size; /* mmap memory size */
522 int alloc_total;
523 u32 last_state;
524 int active;
525 u8 *alloc; /* frames alloc ptr */
526 dma_addr_t alloc_dma;
527 u32 alloc_sz;
528 MPT_FRAME_HDR *reply_frames; /* Reply msg frames - rounded up! */
529 u32 reply_frames_low_dma;
530 int reply_depth; /* Num Allocated reply frames */
531 int reply_sz; /* Reply frame size */
532 int num_chain; /* Number of chain buffers */
533 /* Pool of buffers for chaining. ReqToChain
534 * and ChainToChain track index of chain buffers.
535 * ChainBuffer (DMA) virt/phys addresses.
536 * FreeChainQ (lock) locking mechanisms.
537 */
538 int *ReqToChain;
539 int *RequestNB;
540 int *ChainToChain;
541 u8 *ChainBuffer;
542 dma_addr_t ChainBufferDMA;
543 struct list_head FreeChainQ;
544 spinlock_t FreeChainQlock;
545 /* We (host driver) get to manage our own RequestQueue! */
546 dma_addr_t req_frames_dma;
547 MPT_FRAME_HDR *req_frames; /* Request msg frames - rounded up! */
548 u32 req_frames_low_dma;
549 int req_depth; /* Number of request frames */
550 int req_sz; /* Request frame size (bytes) */
551 spinlock_t FreeQlock;
552 struct list_head FreeQ;
553 /* Pool of SCSI sense buffers for commands coming from
554 * the SCSI mid-layer. We have one 256 byte sense buffer
555 * for each REQ entry.
556 */
557 u8 *sense_buf_pool;
558 dma_addr_t sense_buf_pool_dma;
559 u32 sense_buf_low_dma;
82ffb671
CH		 560 u8 *HostPageBuffer; /* SAS - host page buffer support */
561 u32 HostPageBuffer_sz;
562 dma_addr_t HostPageBuffer_dma;
1da177e4
LT		 563 int mtrr_reg;
564 struct pci_dev *pcidev; /* struct pci_dev pointer */
565 u8 __iomem *memmap; /* mmap address */
566 struct Scsi_Host *sh; /* Scsi Host pointer */
466544d8
MED		 567 SpiCfgData spi_data; /* Scsi config. data */
568 RaidCfgData raid_data; /* Raid config. data */
82ffb671 569 SasCfgData sas_data; /* Sas config. data */
1da177e4
LT		 570 MPT_IOCTL *ioctl; /* ioctl data pointer */
571 struct proc_dir_entry *ioc_dentry;
572 struct _MPT_ADAPTER *alt_ioc; /* ptr to 929 bound adapter port */
573 spinlock_t diagLock; /* diagnostic reset lock */
574 int diagPending;
575 u32 biosVersion; /* BIOS version from IO Unit Page 2 */
576 int eventTypes; /* Event logging parameters */
577 int eventContext; /* Next event context */
578 int eventLogSize; /* Max number of cached events */
579 struct _mpt_ioctl_events *events; /* pointer to event log */
580 u8 *cached_fw; /* Pointer to FW */
581 dma_addr_t cached_fw_dma;
582 struct list_head configQ; /* linked list of config. requests */
583 int hs_reply_idx;
584#ifndef MFCNT
585 u32 pad0;
586#else
587 u32 mfcnt;
588#endif
82ffb671 589 u32 NB_for_64_byte_frame;
1da177e4
LT		 590 u32 hs_req[MPT_MAX_FRAME_SIZE/sizeof(u32)];
591 u16 hs_reply[MPT_MAX_FRAME_SIZE/sizeof(u16)];
592 IOCFactsReply_t facts;
593 PortFactsReply_t pfacts[2];
594 FCPortPage0_t fc_port_page0[2];
82ffb671
CH		 595 struct timer_list persist_timer; /* persist table timer */
596 int persist_wait_done; /* persist completion flag */
597 u8 persist_reply_frame[MPT_DEFAULT_FRAME_SIZE]; /* persist reply */
1da177e4
LT		 598 LANPage0_t lan_cnfg_page0;
599 LANPage1_t lan_cnfg_page1;
82ffb671 600 /*
3fadc59d
MED		 601 * Description: errata_flag_1064
602 * If a PCIX read occurs within 1 or 2 cycles after the chip receives
603 * a split completion for a read data, an internal address pointer incorrectly
604 * increments by 32 bytes
605 */
82ffb671 606 int errata_flag_1064;
ea5a7a82 607 int aen_event_read_flag; /* flag to indicate event log was read*/
1da177e4
LT		 608 u8 FirstWhoInit;
609 u8 upload_fw; /* If set, do a fw upload */
610 u8 reload_fw; /* Force a FW Reload on next reset */
82ffb671 611 u8 NBShiftFactor; /* NB Shift Factor based on Block Size (Facts) */
1da177e4 612 u8 pad1[4];
7fadc87e
MED		 613 int DoneCtx;
614 int TaskCtx;
615 int InternalCtx;
2a238ea5
MED		 616 spinlock_t initializing_hba_lock;
617 int initializing_hba_lock_flag;
82ffb671 618 struct list_head list;
1da177e4 619 struct net_device *netdev;
82ffb671 620 struct list_head sas_topology;
9a28f49a 621 struct mutex sas_topology_mutex;
da4fa655 622 MPT_SAS_MGMT sas_mgmt;
816aa907 623 int num_ports;
79de278e 624 struct work_struct mptscsih_persistTask;
05e8ec17
MR		 625
626 struct list_head fc_rports;
627 spinlock_t fc_rport_lock; /* list and ri flags */
628 spinlock_t fc_rescan_work_lock;
629 int fc_rescan_work_count;
630 struct work_struct fc_rescan_work;
631
1da177e4
LT		 632} MPT_ADAPTER;
633
634/*
635 * New return value convention:
636 * 1 = Ok to free associated request frame
637 * 0 = not Ok ...
638 */
639typedef int (*MPT_CALLBACK)(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
640typedef int (*MPT_EVHANDLER)(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply);
641typedef int (*MPT_RESETHANDLER)(MPT_ADAPTER *ioc, int reset_phase);
642/* reset_phase defs */
643#define MPT_IOC_PRE_RESET 0
644#define MPT_IOC_POST_RESET 1
645#define MPT_IOC_SETUP_RESET 2
646
647/*
648 * Invent MPT host event (super-set of MPI Events)
649 * Fitted to 1030's 64-byte [max] request frame size
650 */
651typedef struct _MPT_HOST_EVENT {
652 EventNotificationReply_t MpiEvent; /* 8 32-bit words! */
653 u32 pad[6];
654 void *next;
655} MPT_HOST_EVENT;
656
657#define MPT_HOSTEVENT_IOC_BRINGUP 0x91
658#define MPT_HOSTEVENT_IOC_RECOVER 0x92
659
660/* Define the generic types based on the size
661 * of the dma_addr_t type.
662 */
663typedef struct _mpt_sge {
664 u32 FlagsLength;
665 dma_addr_t Address;
666} MptSge_t;
667
668#define mpt_addr_size() \
669 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SGE_FLAGS_64_BIT_ADDRESSING : \
670 MPI_SGE_FLAGS_32_BIT_ADDRESSING)
671
672#define mpt_msg_flags() \
673 ((sizeof(dma_addr_t) == sizeof(u64)) ? MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_64 : \
674 MPI_SCSIIO_MSGFLGS_SENSE_WIDTH_32)
675
676/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
677/*
678 * Funky (private) macros...
679 */
680#ifdef MPT_DEBUG
681#define dprintk(x) printk x
682#else
683#define dprintk(x)
684#endif
685
686#ifdef MPT_DEBUG_INIT
687#define dinitprintk(x) printk x
688#define DBG_DUMP_FW_REQUEST_FRAME(mfp) \
689 { int i, n = 10; \
690 u32 *m = (u32 *)(mfp); \
691 printk(KERN_INFO " "); \
692 for (i=0; i<n; i++) \
693 printk(" %08x", le32_to_cpu(m[i])); \
694 printk("\n"); \
695 }
696#else
697#define dinitprintk(x)
698#define DBG_DUMP_FW_REQUEST_FRAME(mfp)
699#endif
700
701#ifdef MPT_DEBUG_EXIT
702#define dexitprintk(x) printk x
703#else
704#define dexitprintk(x)
705#endif
706
707#if defined MPT_DEBUG_FAIL || defined (MPT_DEBUG_SG)
708#define dfailprintk(x) printk x
709#else
710#define dfailprintk(x)
711#endif
712
713#ifdef MPT_DEBUG_HANDSHAKE
714#define dhsprintk(x) printk x
715#else
716#define dhsprintk(x)
717#endif
718
3a892bef 719#if defined(MPT_DEBUG_EVENTS) || defined(MPT_DEBUG_VERBOSE_EVENTS)
1da177e4
LT		 720#define devtprintk(x) printk x
721#else
722#define devtprintk(x)
723#endif
724
3a892bef
ME		 725#ifdef MPT_DEBUG_VERBOSE_EVENTS
726#define devtverboseprintk(x) printk x
727#else
728#define devtverboseprintk(x)
729#endif
730
1da177e4
LT		 731#ifdef MPT_DEBUG_RESET
732#define drsprintk(x) printk x
733#else
734#define drsprintk(x)
735#endif
736
737//#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
738#if defined(MPT_DEBUG_MSG_FRAME)
739#define dmfprintk(x) printk x
740#define DBG_DUMP_REQUEST_FRAME(mfp) \
741 { int i, n = 24; \
742 u32 *m = (u32 *)(mfp); \
743 for (i=0; i<n; i++) { \
744 if (i && ((i%8)==0)) \
745 printk("\n"); \
746 printk("%08x ", le32_to_cpu(m[i])); \
747 } \
748 printk("\n"); \
749 }
750#else
751#define dmfprintk(x)
752#define DBG_DUMP_REQUEST_FRAME(mfp)
753#endif
754
755#ifdef MPT_DEBUG_IRQ
756#define dirqprintk(x) printk x
757#else
758#define dirqprintk(x)
759#endif
760
761#ifdef MPT_DEBUG_SG
762#define dsgprintk(x) printk x
763#else
764#define dsgprintk(x)
765#endif
766
767#if defined(MPT_DEBUG_DL) || defined(MPT_DEBUG)
768#define ddlprintk(x) printk x
769#else
770#define ddlprintk(x)
771#endif
772
773#ifdef MPT_DEBUG_DV
774#define ddvprintk(x) printk x
775#else
776#define ddvprintk(x)
777#endif
778
779#ifdef MPT_DEBUG_NEGO
780#define dnegoprintk(x) printk x
781#else
782#define dnegoprintk(x)
783#endif
784
785#if defined(MPT_DEBUG_DV) || defined(MPT_DEBUG_DV_TINY)
786#define ddvtprintk(x) printk x
787#else
788#define ddvtprintk(x)
789#endif
790
791#ifdef MPT_DEBUG_IOCTL
792#define dctlprintk(x) printk x
793#else
794#define dctlprintk(x)
795#endif
796
797#ifdef MPT_DEBUG_REPLY
798#define dreplyprintk(x) printk x
799#else
800#define dreplyprintk(x)
801#endif
802
3bc7bf1d
MR		 803#ifdef DMPT_DEBUG_FC
804#define dfcprintk(x) printk x
805#else
806#define dfcprintk(x)
807#endif
808
1da177e4
LT		 809#ifdef MPT_DEBUG_TM
810#define dtmprintk(x) printk x
811#define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
812 { u32 *m = (u32 *)(mfp); \
813 int i, n = 13; \
814 printk("TM_REQUEST:\n"); \
815 for (i=0; i<n; i++) { \
816 if (i && ((i%8)==0)) \
817 printk("\n"); \
818 printk("%08x ", le32_to_cpu(m[i])); \
819 } \
820 printk("\n"); \
821 }
822#define DBG_DUMP_TM_REPLY_FRAME(mfp) \
823 { u32 *m = (u32 *)(mfp); \
824 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
825 printk("TM_REPLY MessageLength=%d:\n", n); \
826 for (i=0; i<n; i++) { \
827 if (i && ((i%8)==0)) \
828 printk("\n"); \
829 printk(" %08x", le32_to_cpu(m[i])); \
830 } \
831 printk("\n"); \
832 }
833#else
834#define dtmprintk(x)
835#define DBG_DUMP_TM_REQUEST_FRAME(mfp)
836#define DBG_DUMP_TM_REPLY_FRAME(mfp)
837#endif
838
1da177e4
LT		 839#if defined(MPT_DEBUG_CONFIG) || defined(MPT_DEBUG)
840#define dcprintk(x) printk x
841#else
842#define dcprintk(x)
843#endif
844
845#if defined(MPT_DEBUG_SCSI) || defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
846#define dsprintk(x) printk x
847#else
848#define dsprintk(x)
849#endif
850
851
852#define MPT_INDEX_2_MFPTR(ioc,idx) \
853 (MPT_FRAME_HDR*)( (u8*)(ioc)->req_frames + (ioc)->req_sz * (idx) )
854
855#define MFPTR_2_MPT_INDEX(ioc,mf) \
856 (int)( ((u8*)mf - (u8*)(ioc)->req_frames) / (ioc)->req_sz )
857
858#define MPT_INDEX_2_RFPTR(ioc,idx) \
859 (MPT_FRAME_HDR*)( (u8*)(ioc)->reply_frames + (ioc)->req_sz * (idx) )
860
861#if defined(MPT_DEBUG) || defined(MPT_DEBUG_MSG_FRAME)
862#define DBG_DUMP_REPLY_FRAME(mfp) \
863 { u32 *m = (u32 *)(mfp); \
864 int i, n = (le32_to_cpu(m[0]) & 0x00FF0000) >> 16; \
865 printk(KERN_INFO " "); \
866 for (i=0; i<n; i++) \
867 printk(" %08x", le32_to_cpu(m[i])); \
868 printk("\n"); \
869 }
870#define DBG_DUMP_REQUEST_FRAME_HDR(mfp) \
871 { int i, n = 3; \
872 u32 *m = (u32 *)(mfp); \
873 printk(KERN_INFO " "); \
874 for (i=0; i<n; i++) \
875 printk(" %08x", le32_to_cpu(m[i])); \
876 printk("\n"); \
877 }
878#else
879#define DBG_DUMP_REPLY_FRAME(mfp)
880#define DBG_DUMP_REQUEST_FRAME_HDR(mfp)
881#endif
882
883
884/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
885
886#define SCSI_STD_SENSE_BYTES 18
887#define SCSI_STD_INQUIRY_BYTES 36
888#define SCSI_MAX_INQUIRY_BYTES 96
889
890/*
891 * MPT_SCSI_HOST defines - Used by the IOCTL and the SCSI drivers
892 * Private to the driver.
893 */
894/* LOCAL structure and fields used when processing
895 * internally generated commands. These include:
896 * bus scan, dv and config requests.
897 */
898typedef struct _MPT_LOCAL_REPLY {
899 ConfigPageHeader_t header;
900 int completion;
901 u8 sense[SCSI_STD_SENSE_BYTES];
902 u8 scsiStatus;
903 u8 skip;
904 u32 pad;
905} MPT_LOCAL_REPLY;
906
907#define MPT_HOST_BUS_UNKNOWN (0xFF)
908#define MPT_HOST_TOO_MANY_TM (0x05)
909#define MPT_HOST_NVRAM_INVALID (0xFFFFFFFF)
910#define MPT_HOST_NO_CHAIN (0xFFFFFFFF)
911#define MPT_NVRAM_MASK_TIMEOUT (0x000000FF)
912#define MPT_NVRAM_SYNC_MASK (0x0000FF00)
913#define MPT_NVRAM_SYNC_SHIFT (8)
914#define MPT_NVRAM_DISCONNECT_ENABLE (0x00010000)
915#define MPT_NVRAM_ID_SCAN_ENABLE (0x00020000)
916#define MPT_NVRAM_LUN_SCAN_ENABLE (0x00040000)
917#define MPT_NVRAM_TAG_QUEUE_ENABLE (0x00080000)
918#define MPT_NVRAM_WIDE_DISABLE (0x00100000)
919#define MPT_NVRAM_BOOT_CHOICE (0x00200000)
920
921/* The TM_STATE variable is used to provide strict single threading of TM
922 * requests as well as communicate TM error conditions.
923 */
924#define TM_STATE_NONE (0)
925#define TM_STATE_IN_PROGRESS (1)
926#define TM_STATE_ERROR (2)
927
928typedef enum {
929 FC,
a9b2937a 930 SPI,
1da177e4
LT		 931 SAS
932} BUS_TYPE;
933
934typedef struct _MPT_SCSI_HOST {
935 MPT_ADAPTER *ioc;
936 int port;
937 u32 pad0;
938 struct scsi_cmnd **ScsiLookup;
c7c82987 939 VirtTarget **Targets;
1da177e4
LT		 940 MPT_LOCAL_REPLY *pLocal; /* used for internal commands */
941 struct timer_list timer;
942 /* Pool of memory for holding SCpnts before doing
943 * OS callbacks. freeQ is the free pool.
944 */
945 u8 tmPending;
946 u8 resetPending;
947 u8 negoNvram; /* DV disabled, nego NVRAM */
948 u8 pad1;
949 u8 tmState;
950 u8 rsvd[2];
951 MPT_FRAME_HDR *cmdPtr; /* Ptr to nonOS request */
952 struct scsi_cmnd *abortSCpnt;
953 MPT_LOCAL_REPLY localReply; /* internal cmd reply struct */
954 unsigned long hard_resets; /* driver forced bus resets count */
955 unsigned long soft_resets; /* fw/external bus resets count */
956 unsigned long timeouts; /* cmd timeouts */
957 ushort sel_timeout[MPT_MAX_FC_DEVICES];
7fadc87e
MED		 958 char *info_kbuf;
959 wait_queue_head_t scandv_waitq;
960 int scandv_wait_done;
961 long last_queue_full;
962 u8 mpt_pq_filter;
1da177e4
LT		 963} MPT_SCSI_HOST;
964
965/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
966/*
967 * More Dynamic Multi-Pathing stuff...
968 */
969
970/* Forward decl, a strange C thing, to prevent gcc compiler warnings */
971struct scsi_cmnd;
972
973/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
974/*
975 * Generic structure passed to the base mpt_config function.
976 */
977typedef struct _x_config_parms {
978 struct list_head linkage; /* linked list */
979 struct timer_list timer; /* timer function for this request */
69218ee5
CH		 980 union {
981 ConfigExtendedPageHeader_t *ehdr;
982 ConfigPageHeader_t *hdr;
983 } cfghdr;
1da177e4
LT		 984 dma_addr_t physAddr;
985 int wait_done; /* wait for this request */
986 u32 pageAddr; /* properly formatted */
987 u8 action;
988 u8 dir;
989 u8 timeout; /* seconds */
990 u8 pad1;
991 u16 status;
992 u16 pad2;
993} CONFIGPARMS;
994
995/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
996/*
997 * Public entry points...
998 */
7fadc87e
MED		 999extern int mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id);
1000extern void mpt_detach(struct pci_dev *pdev);
1001#ifdef CONFIG_PM
1002extern int mpt_suspend(struct pci_dev *pdev, pm_message_t state);
1003extern int mpt_resume(struct pci_dev *pdev);
1004#endif
1da177e4
LT		 1005extern int mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
1006extern void mpt_deregister(int cb_idx);
1007extern int mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc);
1008extern void mpt_event_deregister(int cb_idx);
1009extern int mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func);
1010extern void mpt_reset_deregister(int cb_idx);
1011extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx);
1012extern void mpt_device_driver_deregister(int cb_idx);
1013extern MPT_FRAME_HDR *mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc);
1014extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1015extern void mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf);
1016extern void mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr);
1017
1018extern int mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag);
1019extern int mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp);
1020extern u32 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
1021extern void mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
1022extern int mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
1023extern int mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
1da177e4
LT		 1024extern void mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
1025extern void mpt_free_fw_memory(MPT_ADAPTER *ioc);
1026extern int mpt_findImVolumes(MPT_ADAPTER *ioc);
82ffb671 1027extern int mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode);
05e8ec17 1028extern int mptbase_GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
1da177e4
LT		 1029
1030/*
1031 * Public data decl's...
1032 */
1033extern struct list_head ioc_list;
f747307e 1034extern struct proc_dir_entry *mpt_proc_root_dir;
1da177e4
LT		 1035
1036extern int mpt_lan_index; /* needed by mptlan.c */
f747307e 1037extern int mpt_stm_index; /* needed by mptstm.c */
1da177e4
LT		 1038
1039/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1040#endif /* } __KERNEL__ */
1041
1042#if defined(__alpha__) || defined(__sparc_v9__) || defined(__ia64__) || defined(__x86_64__)
1043#define CAST_U32_TO_PTR(x) ((void *)(u64)x)
1044#define CAST_PTR_TO_U32(x) ((u32)(u64)x)
1045#else
1046#define CAST_U32_TO_PTR(x) ((void *)x)
1047#define CAST_PTR_TO_U32(x) ((u32)x)
1048#endif
1049
1050#define MPT_PROTOCOL_FLAGS_c_c_c_c(pflags) \
1051 ((pflags) & MPI_PORTFACTS_PROTOCOL_INITIATOR) ? 'I' : 'i', \
1052 ((pflags) & MPI_PORTFACTS_PROTOCOL_TARGET) ? 'T' : 't', \
1053 ((pflags) & MPI_PORTFACTS_PROTOCOL_LAN) ? 'L' : 'l', \
1054 ((pflags) & MPI_PORTFACTS_PROTOCOL_LOGBUSADDR) ? 'B' : 'b'
1055
1056/*
1057 * Shifted SGE Defines - Use in SGE with FlagsLength member.
1058 * Otherwise, use MPI_xxx defines (refer to "lsi/mpi.h" header).
1059 * Defaults: 32 bit SGE, SYSTEM_ADDRESS if direction bit is 0, read
1060 */
1061#define MPT_TRANSFER_IOC_TO_HOST (0x00000000)
1062#define MPT_TRANSFER_HOST_TO_IOC (0x04000000)
1063#define MPT_SGE_FLAGS_LAST_ELEMENT (0x80000000)
1064#define MPT_SGE_FLAGS_END_OF_BUFFER (0x40000000)
1065#define MPT_SGE_FLAGS_LOCAL_ADDRESS (0x08000000)
1066#define MPT_SGE_FLAGS_DIRECTION (0x04000000)
1067#define MPT_SGE_FLAGS_ADDRESSING (mpt_addr_size() << MPI_SGE_FLAGS_SHIFT)
1068#define MPT_SGE_FLAGS_END_OF_LIST (0x01000000)
1069
1070#define MPT_SGE_FLAGS_TRANSACTION_ELEMENT (0x00000000)
1071#define MPT_SGE_FLAGS_SIMPLE_ELEMENT (0x10000000)
1072#define MPT_SGE_FLAGS_CHAIN_ELEMENT (0x30000000)
1073#define MPT_SGE_FLAGS_ELEMENT_MASK (0x30000000)
1074
1075#define MPT_SGE_FLAGS_SSIMPLE_READ \
1076 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1077 MPT_SGE_FLAGS_END_OF_BUFFER | \
1078 MPT_SGE_FLAGS_END_OF_LIST | \
1079 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1080 MPT_SGE_FLAGS_ADDRESSING | \
1081 MPT_TRANSFER_IOC_TO_HOST)
1082#define MPT_SGE_FLAGS_SSIMPLE_WRITE \
1083 (MPT_SGE_FLAGS_LAST_ELEMENT | \
1084 MPT_SGE_FLAGS_END_OF_BUFFER | \
1085 MPT_SGE_FLAGS_END_OF_LIST | \
1086 MPT_SGE_FLAGS_SIMPLE_ELEMENT | \
1087 MPT_SGE_FLAGS_ADDRESSING | \
1088 MPT_TRANSFER_HOST_TO_IOC)
1089
1090/*}-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
1091#endif
1092
Linux 6.x block layer and io_uring tree(s)