source: trunk/src/os2ahci/os2ahci.h@ 181

Last change on this file since 181 was 181, checked in by David Azarewicz, 9 years ago

Debugging changes

File size: 23.4 KB
Line 
1/******************************************************************************
2 * os2ahci.h - main header file for os2ahci driver
3 *
4 * Copyright (c) 2011 thi.guten Software Development
5 * Copyright (c) 2011 Mensys B.V.
6 * Copyright (c) 2013-2016 David Azarewicz
7 *
8 * Authors: Christian Mueller, Markus Thielen
9 *
10 * Parts copied from/inspired by the Linux AHCI driver;
11 * those parts are (c) Linux AHCI/ATA maintainers
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
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 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 */
27
28/* ----------------------------- include files ----------------------------- */
29
30/* IMPORTANT NOTE: The DDK headers require tight structure packing and this
31 * is controlled via compiler parameters. Thus, all stuctures in os2ahci.add
32 * are expected to be byte-aligned without the need of explicit pragma pack()
33 * directives. Where possible, the structures are laid out such that words
34 * and dwords are aligned at least on 2-byte boundaries.
35 */
36
37/* Global feature defines
38 * DEBUG = enable debug logging routines to be compled in.
39 * LEGACY_APM = enable the legacy APM interface to be compiled in.
40 * Legacy APM support is not needed on eCS systems with ACPI and is more reliable without it enabled.
41 */
42#define DEBUG
43//#define LEGACY_APM
44
45#include "Dev32lib.h"
46#include "Dev32rmcalls.h"
47#include <Dev32iorb.h>
48#include "ahci.h"
49#include "ahci-idc.h"
50
51/* -------------------------- macros and constants ------------------------- */
52
53#define MAX_AD 8 /* maximum number of adapters */
54
55#define TIMER_COUNT 128
56
57/* default command timeout (can be overwritten in the IORB) */
58#define DEFAULT_TIMEOUT 30000
59
60/* Maximum number of retries for commands in the restart/reset context hooks.
61 *
62 * Please note that the corresponding variable in the ADD workspace is a bit
63 * field, thus increasing this value means increasing the size of the bit
64 * field. At the time of writing this comment the 'retries' variable was 2
65 * bits wide (i.e. a maximum number of 3 retries) and there was exactly one
66 * bit left before the ADD workspace structure would become too large...
67 */
68#define MAX_RETRIES 3
69
70/* debug output macros */
71#ifdef DEBUG
72#define DPRINTF(a,b,...) dprintf(a, b, ##__VA_ARGS__)
73#define DHEXDUMP(a,b,c,d,...) dHexDump(a, b, c, d, ##__VA_ARGS__)
74#define NTPRINTF(...) dprintf(0, ##__VA_ARGS__)
75#define DUMP_HOST_REGS(l,a,b) {if (D32g_DbgLevel>=l) ahci_dump_host_regs(a,b);}
76#define DUMP_PORT_REGS(l,a,b) {if (D32g_DbgLevel>=l) ahci_dump_port_regs(a,b);}
77#else
78#define DPRINTF(a,b,...)
79#define DHEXDUMP(a,b,c,d,...)
80#define NTPRINTF(a,...)
81#define DUMP_HOST_REGS(a,b)
82#define DUMP_PORT_REGS(l,a,b)
83#endif
84
85/* verbosity console print macros
86 * (we use 'i' in ciprintf here to avoid name clash
87 * with vprintf-like funcs)
88 */
89#define ciprintf(a,...) {if (verbosity > 0) iprintf(a, ##__VA_ARGS__);}
90#define ciiprintf(a,...) {if (verbosity > 1) iprintf(a, ##__VA_ARGS__);}
91
92/* adapter number from AD_INFO pointer; mainly for dprintf() purposes */
93#define ad_no(ai) ( ( (u32)ai - (u32)ad_infos ) / sizeof(*ai))
94
95#define MakeNear16PtrFromDiff(Base16, Base32, New32) \
96 ( ( CastFar16ToULONG(Base16) + ( (ULONG)(New32) - (ULONG)(Base32) ) ) & 0xffff)
97
98#define MakeFar16PtrFromDiff(Base16, Base32, New32) \
99 CastULONGToFar16(CastFar16ToULONG(Base16) + ((ULONG)(New32) - (ULONG)(Base32))))
100
101/* Takes the selector from the first parameter, and the offset specified
102 * in the second parameter, and returns a flat pointer
103 */
104extern void *MakeFlatFromNear16(void __far16 *, USHORT);
105#pragma aux MakeFlatFromNear16 = \
106 "mov ax, bx" \
107 "call Far16ToFlat" \
108 parm nomemory [eax] [bx] value [eax] modify nomemory exact [eax];
109
110/* stdarg.h macros with explicit far pointers */
111typedef char *va_list;
112#define va_start(va, last) va = (va_list) (&last + 1)
113#define va_arg(va, type) ((type *) (va += sizeof(type)))[-1]
114#define va_end(va) va = 0
115
116/* stddef macros */
117#define offsetof(s, e) ((u32)&((s *)0)->e)
118
119/* shortcut macros */
120#define spin_lock(sl) KernAcquireSpinLock(&sl)
121#define spin_unlock(sl) KernReleaseSpinLock(&sl)
122
123/* Get AHCI port MMIO base from AD_INFO and port number. */
124#define port_base(ai, p) ((u8 *) (ai)->mmio + 0x100 + (p) * 0x80)
125#define port_dma_base(ai, p) ((AHCI_PORT_DMA *) ((ai)->dma_buf[(p)]))
126#define port_dma_base_phys(ai, p) ((ai)->dma_buf_phys[(p)])
127
128/* Convert an SATA adapter/port/device address into a 16-bit IORB unit handle
129 * (and the other way round). The mapping looks like this:
130 *
131 * mapping comment
132 * -----------------------------------------------------------------------
133 * 4 bits for the adapter current max is 8 adapters
134 * 4 bits for the port AHCI spec defines up to 32 ports
135 * 4 bits for the device SATA spec defines up to 15 devices behind PMP
136 */
137#define iorb_unit(a, p, d) ((((u16) (a) & 0x0fU) << 8) | \
138 (((u16) (p) & 0x0fU) << 4) | \
139 (((u16) (d) & 0x0fU)))
140#define iorb_unit_adapter(iorb) (((iorb)->UnitHandle >> 8) & 0x07)
141#define iorb_unit_port(iorb) (((iorb)->UnitHandle >> 4) & 0x0f)
142#define iorb_unit_device(iorb) ((iorb)->UnitHandle & 0x0f)
143
144/*******************************************************************************
145 * Convenience macros for IORB processing functions
146 */
147/* is this IORB on driver or port level? */
148#define iorb_driver_level(iorb) ((iorb)->CommandCode == IOCC_CONFIGURATION)
149
150/* is this IORB to be inserted at the beginnig of the IORB queue? */
151#define iorb_priority(iorb) ((iorb)->CommandCode == IOCC_DEVICE_CONTROL && \
152 (iorb)->CommandModifier == IOCM_ABORT))
153
154/* access IORB ADD workspace */
155#define add_workspace(iorb) ((ADD_WORKSPACE *) &(iorb)->ADDWorkSpace)
156
157
158
159/******************************************************************************
160 * PCI generic IDs and macros
161 */
162#define PCI_ANY_ID 0xffffU
163#define PCI_VDEVICE(vendor, device) PCI_VENDOR_ID_##vendor, (device), \
164 PCI_ANY_ID, PCI_ANY_ID, 0, 0
165
166/******************************************************************************
167 * PCI vendor IDs for AHCI adapters known to this driver (copied from Linux
168 * pci_ids.h)
169 */
170#define PCI_VENDOR_ID_AL 0x10b9
171#define PCI_VENDOR_ID_AMD 0x1022
172#define PCI_VENDOR_ID_AT 0x1259
173#define PCI_VENDOR_ID_ATI 0x1002
174#define PCI_VENDOR_ID_ATT 0x11c1
175#define PCI_VENDOR_ID_CMD 0x1095
176#define PCI_VENDOR_ID_CT 0x102c
177#define PCI_VENDOR_ID_INTEL 0x8086
178#define PCI_VENDOR_ID_INITIO 0x1101
179#define PCI_VENDOR_ID_JMICRON 0x197B
180#define PCI_VENDOR_ID_MARVELL 0x11ab
181#define PCI_VENDOR_ID_NVIDIA 0x10de
182#define PCI_VENDOR_ID_PROMISE 0x105a
183#define PCI_VENDOR_ID_SI 0x1039
184#define PCI_VENDOR_ID_VIA 0x1106
185
186/******************************************************************************
187 * PCI class IDs we're interested in (copied from Linux pci_ids.h)
188 */
189#define PCI_BASE_CLASS_STORAGE 0x01
190#define PCI_CLASS_STORAGE_SCSI 0x0100
191#define PCI_CLASS_STORAGE_IDE 0x0101
192#define PCI_CLASS_STORAGE_FLOPPY 0x0102
193#define PCI_CLASS_STORAGE_IPI 0x0103
194#define PCI_CLASS_STORAGE_RAID 0x0104
195#define PCI_CLASS_STORAGE_SATA 0x0106
196#define PCI_CLASS_STORAGE_SATA_AHCI 0x010601
197#define PCI_CLASS_STORAGE_SAS 0x0107
198#define PCI_CLASS_STORAGE_OTHER 0x0180
199
200/******************************************************************************
201 * ANSI color code constants
202 */
203#define ANSI_CLR_BRIGHT "\x1b[1m"
204#define ANSI_CLR_RED "\x1b[31m"
205#define ANSI_CLR_GREEN "\x1b[32m"
206#define ANSI_CLR_BLUE "\x1b[34m"
207#define ANSI_CLR_CYAN "\x1b[36m"
208#define ANSI_CLR_WHITE "\x1b[37m"
209#define ANSI_RESET "\x1b[0m"
210
211
212/* ------------------------ typedefs and structures ------------------------ */
213
214/* PCI device information structure; this is used both for scanning and for
215 * identification purposes in 'AD_INFO'; based on the Linux pci_device_id
216 * structure but hard-wired to use board_* constants for 'driver_data'
217 */
218typedef struct {
219 u16 vendor; /* PCI device vendor/manufacturer */
220 u16 device; /* PCI device ID inside vendor scope */
221 u16 subvendor; /* subsystem vendor (unused so far) */
222 u16 subdevice; /* subsystem device (unused so far) */
223 u32 class; /* PCI device class */
224 u32 class_mask; /* bits to match when scanning for 'class' */
225 u32 board; /* AHCI controller board type (board_* constants) */
226 char *chipname; /* human readable chip ID string */
227} PCI_ID;
228
229/* IORB queue; since IORB queues are updated at interrupt time, the
230 * corresponding pointers (not the data they point to) need to be volatile.
231 */
232typedef struct {
233 IORBH FAR16DATA *volatile vRoot; /* root of request list */
234 IORBH FAR16DATA *volatile vTail; /* tail of request list */
235} IORB_QUEUE;
236
237typedef struct {
238 USHORT Cylinders;
239 USHORT HeadsPerCylinder;
240 USHORT SectorsPerTrack;
241 ULONG TotalSectors;
242 char *Method;
243} DEV_INFO;
244
245/* port information structure */
246typedef struct {
247 IORB_QUEUE iorb_queue; /* IORB queue for this port */
248 unsigned dev_max : 4; /* maximum device number on this port (0..AHCI_MAX_DEVS-1) */
249 unsigned cmd_slot : 5; /* current command slot index (using round-
250 * robin indexes to prevent starvation) */
251
252 volatile u32 ncq_cmds; /* bitmap for NCQ commands issued */
253 volatile u32 reg_cmds; /* bitmap for regular commands issued */
254
255 struct {
256 unsigned allocated :1; /* if != 0, device is allocated */
257 unsigned present :1; /* if != 0, device is present */
258 unsigned lba48 :1; /* if != 0, device supports 48-bit LBA */
259 unsigned atapi :1; /* if != 0, this is an ATAPI device */
260 unsigned atapi_16 :1; /* if != 0, device suports 16-byte cmds */
261 unsigned removable :1; /* if != 0, device has removable media */
262 unsigned dev_type :5; /* device type (UIB_TYPE_* in iorb.h) */
263 unsigned ncq_max :5; /* maximum tag number for queued commands */
264 UNITINFO *unit_info; /* pointer to modified unit info */
265 DEV_INFO dev_info;
266 } devs[AHCI_MAX_DEVS];
267} P_INFO;
268
269/* adapter information structure */
270typedef struct {
271 PCI_ID *pci; /* pointer to corresponding PCI ID */
272
273 unsigned port_max : 5; /* maximum port number (0..AHCI_MAX_PORTS-1) */
274 unsigned cmd_max : 5; /* maximum cmd slot number (0-31) */
275 unsigned port_scan_done : 1; /* if != 0, port scan already done */
276 unsigned busy : 1; /* if != 0, adapter is busy */
277
278 unsigned hw_ports : 6; /* number of ports as reported by the hardware */
279
280 u32 port_map; /* bitmap of active ports */
281 u16 pci_vendor;
282 u16 pci_device;
283
284 /* initial adapter configuration from BIOS */
285 u32 bios_config[HOST_CAP2 / sizeof(u32) + 1];
286
287 u32 cap; /* working copy of CAP register */
288 u32 cap2; /* working copy of CAP2 register */
289 u32 flags; /* adapter flags */
290
291 HRESOURCE rm_adh; /* resource handle for adapter */
292 HRESOURCE rm_bars[6]; /* resource handle for MMIO and I/O BARs */
293 HRESOURCE rm_irq; /* resource handle for IRQ */
294
295 u16 bus_dev_func; /* PCI bus number PCI device and function number */
296 u16 irq; /* interrupt number */
297
298 u32 mmio_phys; /* physical address of MMIO region */
299 u32 mmio_size; /* size of MMIO region */
300 u8 *mmio; /* pointer to this adapter's MMIO region */
301
302 u32 dma_buf_phys[AHCI_MAX_PORTS]; /* physical address of DMA scratch buffer */
303 u8 *dma_buf[AHCI_MAX_PORTS]; /* DMA scatch buffers */
304
305 P_INFO ports[AHCI_MAX_PORTS]; /* SATA ports on this adapter */
306} AD_INFO;
307
308/* ADD workspace in IORB (must not exceed 16 bytes) */
309typedef struct {
310 void (*ppfunc)(IORBH FAR16DATA *vIorb, IORBH *pIorb); /* 00 post-processing function */
311 void *buf; /* 04 response buffer (e.g. for identify cmds) */
312 ULONG timer; /* 08 timer for timeout procesing */
313 USHORT blocks; /* 0c number of blocks to be transferred */
314 unsigned short processing :1; /* 0e IORB is being processd */
315 unsigned short idempotent :1; /* IORB is idempotent (can be retried) */
316 unsigned short queued_hw :1; /* IORB has been queued to hardware */
317 unsigned short no_ncq :1; /* must not use native command queuing */
318 unsigned short is_ncq :1; /* should use native command queueing */
319 unsigned short complete :1; /* IORB has completed processing */
320 unsigned short unaligned :1; /* unaligned S/G; need to use transfer buffer */
321 unsigned short retries :2; /* number of retries for this command */
322 unsigned short cmd_slot :5; /* AHCI command slot for this IORB */
323} ADD_WORKSPACE; /* 10 */
324
325/* sg_memcpy() direction */
326typedef enum {
327 SG_TO_BUF, /* copy from S/G list to buffer */
328 BUF_TO_SG /* copy from buffer to S/G list */
329} SG_MEMCPY_DIRECTION;
330
331/* Define the size of a disk name. Disk Names are user defined names given to physical disk drives in the system. */
332#define DLA_TABLE_SIGNATURE1 0x424D5202L
333#define DLA_TABLE_SIGNATURE2 0x44464D50L
334#define DISK_NAME_SIZE 20
335
336typedef struct _DLA_Table_Sector { /* DTS */
337 ULONG DLA_Signature1; /* The magic signature (part 1) of a Drive Letter Assignment Table. */
338 ULONG DLA_Signature2; /* The magic signature (part 2) of a Drive Letter Assignment Table. */
339 ULONG DLA_CRC; /* The 32 bit CRC for this sector. Calculated assuming that this field and all unused space in the sector is 0. */
340 ULONG Disk_Serial_Number; /* The serial number assigned to this disk. */
341 ULONG Boot_Disk_Serial_Number;/* The serial number of the disk used to boot the system. This is for conflict resolution when multiple volumes
342 want the same drive letter. Since LVM.EXE will not let this situation happen, the only way to get this situation
343 is for the disk to have been altered by something other than LVM.EXE, or if a disk drive has been moved from one
344 machine to another. If the drive has been moved, then it should have a different Boot_Disk_Serial_Number. Thus,
345 we can tell which disk drive is the "foreign" drive and therefore reject its claim for the drive letter in question.
346 If we find that all of the claimaints have the same Boot_Disk_Serial_Number, then we must assign drive letters on
347 a first come, first serve basis. */
348 ULONG Install_Flags; /* Used by the Install program. */
349 ULONG Cylinders;
350 ULONG Heads_Per_Cylinder;
351 ULONG Sectors_Per_Track;
352 char Disk_Name[DISK_NAME_SIZE]; /* The name assigned to the disk containing this sector. */
353 UCHAR Reboot; /* For use by Install. Used to keep track of reboots initiated by install. */
354 BYTE Reserved[3]; /* Alignment. */
355 /* These are the four entries which correspond to the entries in the partition table. */
356} DLA_Table_Sector, *PDLA_Table_Sector;
357
358/* -------------------------- function prototypes -------------------------- */
359
360static inline unsigned long readl(void *a)
361{
362 return *(volatile unsigned long*)a;
363}
364
365static inline void writel(void *a, unsigned long v)
366{
367 *(volatile unsigned long*)a = v;
368}
369
370extern void shutdown_driver(void);
371
372/* os2ahci.c */
373extern USHORT init_drv(REQPACKET *req);
374extern USHORT gen_ioctl(REQPACKET *ioctl);
375extern USHORT char_dev_input(REQPACKET *rwrb);
376extern USHORT exit_drv(int func);
377extern USHORT sr_drv(int func);
378extern void add_entry(IORBH FAR16DATA *vIorb);
379extern void trigger_engine(void);
380extern int trigger_engine_1(void);
381extern void send_iorb(IORBH FAR16DATA *vIorb, IORBH *pIorb);
382extern void iocc_configuration (IORBH FAR16DATA *vIorb, IORBH *pIorb);
383extern void iocc_device_control(IORBH FAR16DATA *vIorb, IORBH *pIorb);
384extern void iocc_unit_control(IORBH FAR16DATA *vIorb, IORBH *pIorb);
385extern void iocm_device_table(IORBH FAR16DATA *vIorb, IORBH *pIorb);
386extern void iocc_geometry(IORBH FAR16DATA *vIorb, IORBH *pIorb);
387extern void iocc_execute_io(IORBH FAR16DATA *vIorb, IORBH *pIorb);
388extern void iocc_unit_status(IORBH FAR16DATA *vIorb, IORBH *pIorb);
389extern void iocc_adapter_passthru(IORBH FAR16DATA *vIorb, IORBH *pIorb);
390extern void iorb_queue_add(IORB_QUEUE *queue, IORBH FAR16DATA *vIorb, IORBH *pIorb);
391extern int iorb_queue_del(IORB_QUEUE *queue, IORBH FAR16DATA *vIorb);
392extern void iorb_seterr(IORBH *pIorb, USHORT error_code);
393extern void iorb_done(IORBH FAR16DATA *vIorb, IORBH *pIorb);
394extern void iorb_complete(IORBH FAR16DATA *vIorb, IORBH *pIorb);
395extern void iorb_requeue(IORBH *pIorb);
396extern void aws_free(ADD_WORKSPACE *aws);
397extern void lock_adapter(AD_INFO *ai);
398extern void unlock_adapter(AD_INFO *ai);
399extern void __syscall timeout_callback(ULONG timer_handle, ULONG p1);
400extern void __syscall reset_watchdog(ULONG timer_handle, ULONG p1);
401
402/* ahci.c */
403extern int ahci_save_bios_config(AD_INFO *ai);
404extern int ahci_restore_bios_config(AD_INFO *ai);
405extern int ahci_restore_initial_config(AD_INFO *ai);
406extern AHCI_PORT_CFG *ahci_save_port_config(AD_INFO *ai, int p);
407extern void ahci_restore_port_config(AD_INFO *ai, int p, AHCI_PORT_CFG *pc);
408extern int ahci_enable_ahci(AD_INFO *ai);
409extern int ahci_scan_ports(AD_INFO *ai);
410extern int ahci_complete_init(AD_INFO *ai);
411extern int ahci_reset_port(AD_INFO *ai, int p, int ei);
412extern int ahci_start_port(AD_INFO *ai, int p, int ei);
413extern void ahci_start_fis_rx(AD_INFO *ai, int p);
414extern void ahci_start_engine(AD_INFO *ai, int p);
415extern int ahci_stop_port(AD_INFO *ai, int p);
416extern int ahci_stop_fis_rx(AD_INFO *ai, int p);
417extern int ahci_stop_engine(AD_INFO *ai, int p);
418extern int ahci_port_busy(AD_INFO *ai, int p);
419extern void ahci_exec_iorb(IORBH FAR16DATA *vIorb, IORBH *pIorb, int ncq_capable, int (*func)(IORBH FAR16DATA *, IORBH *pIorb, int));
420extern void ahci_exec_polled_iorb(IORBH FAR16DATA *vIorb, IORBH *pIorb, int (*func)(IORBH FAR16DATA *, IORBH *pIorb, int), ULONG timeout);
421extern int ahci_exec_polled_cmd(AD_INFO *ai, int p, int d, int timeout, int cmd, ...);
422extern int ahci_set_dev_idle(AD_INFO *ai, int p, int d, int idle);
423extern int ahci_flush_cache(AD_INFO *ai, int p, int d);
424
425extern int ahci_intr(u16 irq);
426extern void ahci_port_intr(AD_INFO *ai, int p);
427extern void ahci_error_intr(AD_INFO *ai, int p, u32 irq_stat);
428
429extern void ahci_get_geometry(IORBH FAR16DATA *vIorb, IORBH *pIorb);
430extern void ahci_unit_ready(IORBH FAR16DATA *vIorb, IORBH *pIorb);
431extern void ahci_read(IORBH FAR16DATA *vIorb, IORBH *pIorb);
432extern void ahci_verify(IORBH FAR16DATA *vIorb, IORBH *pIorb);
433extern void ahci_write(IORBH FAR16DATA *vIorb, IORBH *pIorb);
434extern void ahci_execute_cdb(IORBH FAR16DATA *vIorb, IORBH *pIorb);
435extern void ahci_execute_ata(IORBH FAR16DATA *vIorb, IORBH *pIorb);
436extern void ahci_dump_host_regs(AD_INFO *ai, int bios_regs);
437extern void ahci_dump_port_regs(AD_INFO *ai, int p);
438extern int ahci_reset_controller(AD_INFO *ai);
439
440extern void sg_memcpy(SCATGATENTRY *sg_list, USHORT sg_cnt, ULONG sg_off, void *buf, USHORT len, SG_MEMCPY_DIRECTION dir);
441extern void panic(char *msg);
442
443/* trace.c */
444extern void build_user_info(void);
445
446/* pci.c */
447extern int add_pci_id(u16 vendor, u16 device);
448extern void scan_pci_bus(void);
449extern int pci_enable_int(USHORT BusDevFunc);
450extern void pci_hack_virtualbox(void);
451extern char *vendor_from_id(u16 vendor);
452extern char *device_from_id(u16 device);
453
454/* ctxhook.c */
455extern void _Syscall restart_ctxhook(ULONG parm);
456extern void _Syscall reset_ctxhook(ULONG parm);
457extern void _Syscall engine_ctxhook(ULONG parm);
458
459/* apm.c */
460extern void apm_init(void);
461extern void suspend(void);
462extern void resume(void);
463
464/* ioctl.c */
465extern USHORT ioctl_get_devlist(REQPACKET *ioctl);
466extern USHORT ioctl_passthrough(REQPACKET *ioctl);
467extern USHORT ioctl_gen_dsk(REQPACKET *ioctl);
468extern USHORT ioctl_smart(REQPACKET *ioctl);
469
470
471/* ---------------------------- global variables --------------------------- */
472
473extern int thorough_scan; /* if != 0, perform thorough PCI scan */
474extern int init_reset; /* if != 0, reset ports during init */
475extern int force_write_cache; /* if != 0, force write cache */
476extern int verbosity; /* if != 0, show some info during boot */
477extern int use_lvm_info;
478
479extern HDRIVER rm_drvh; /* resource manager driver handle */
480extern USHORT add_handle; /* adapter device driver handle */
481extern char drv_name[]; /* driver name as string ("OS2AHCI") */
482
483extern PCI_ID pci_ids[]; /* SATA adapter PCI IDs */
484extern SpinLock_t drv_lock; /* driver-level spinlock */
485extern ULONG com_lock; /* debug log spinlock */
486extern IORB_QUEUE driver_queue; /* driver-level IORB queue */
487extern AD_INFO ad_infos[]; /* adapter information list */
488extern int ad_info_cnt; /* number of entries in ad_infos[] */
489extern u16 ad_ignore; /* bitmap with adapters to be ignored */
490extern int init_complete; /* if != 0, initialization has completed */
491extern int suspended; /* indicates if the driver is suspended */
492extern int resume_sleep_flag;
493
494/* port restart context hook and input data */
495extern ULONG restart_ctxhook_h;
496extern volatile u32 ports_to_restart[MAX_AD];
497
498/* port reset context hook and input data */
499extern ULONG reset_ctxhook_h;
500extern ULONG th_reset_watchdog;
501extern volatile u32 ports_to_reset[MAX_AD];
502extern IORB_QUEUE abort_queue;
503
504/* trigger engine context hook and input data */
505extern ULONG engine_ctxhook_h;
506
507/* apapter/port-specific options saved when parsing the command line */
508extern u8 emulate_scsi[MAX_AD][AHCI_MAX_PORTS];
509extern u8 enable_ncq[MAX_AD][AHCI_MAX_PORTS];
510extern u8 link_speed[MAX_AD][AHCI_MAX_PORTS];
511extern u8 link_power[MAX_AD][AHCI_MAX_PORTS];
512extern u8 track_size[MAX_AD][AHCI_MAX_PORTS];
513extern u8 port_ignore[MAX_AD][AHCI_MAX_PORTS];
514
515#ifdef DEBUG
516extern void DumpIorb(IORBH *pIorb);
517#endif
518
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