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-rw-r--r--drivers/ide/au1xxx-ide.c2
-rw-r--r--drivers/ide/icside.c2
-rw-r--r--drivers/ide/ide-disk.c12
-rw-r--r--drivers/ide/ide-dma-sff.c2
-rw-r--r--drivers/ide/ide-dma.c16
-rw-r--r--drivers/ide/ide-floppy.c5
-rw-r--r--drivers/ide/ide-io.c24
-rw-r--r--drivers/ide/ide-taskfile.c33
-rw-r--r--drivers/ide/pmac.c2
-rw-r--r--drivers/ide/sgiioc4.c2
-rw-r--r--drivers/ide/tx4939ide.c2
-rw-r--r--include/linux/ide.h20
12 files changed, 61 insertions, 61 deletions
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 72d7d615e1fc..3ace0cda5452 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -215,7 +215,7 @@ static int auide_build_dmatable(ide_drive_t *drive)
215 struct request *rq = hwif->rq; 215 struct request *rq = hwif->rq;
216 _auide_hwif *ahwif = &auide_hwif; 216 _auide_hwif *ahwif = &auide_hwif;
217 struct scatterlist *sg; 217 struct scatterlist *sg;
218 int i = hwif->sg_nents, iswrite, count = 0; 218 int i = hwif->cmd.sg_nents, iswrite, count = 0;
219 219
220 iswrite = (rq_data_dir(rq) == WRITE); 220 iswrite = (rq_data_dir(rq) == WRITE);
221 /* Save for interrupt context */ 221 /* Save for interrupt context */
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 78fc36f98d29..bdfeb1222d52 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -344,7 +344,7 @@ static int icside_dma_setup(ide_drive_t *drive)
344 * Tell the DMA engine about the SG table and 344 * Tell the DMA engine about the SG table and
345 * data direction. 345 * data direction.
346 */ 346 */
347 set_dma_sg(ec->dma, hwif->sg_table, hwif->sg_nents); 347 set_dma_sg(ec->dma, hwif->sg_table, hwif->cmd.sg_nents);
348 set_dma_mode(ec->dma, dma_mode); 348 set_dma_mode(ec->dma, dma_mode);
349 349
350 drive->waiting_for_dma = 1; 350 drive->waiting_for_dma = 1;
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f1555dd4e6a5..d00d807c0f53 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -104,14 +104,14 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
104 lba48 = 0; 104 lba48 = 0;
105 } 105 }
106 106
107 if (!dma) {
108 ide_init_sg_cmd(drive, rq);
109 ide_map_sg(drive, rq);
110 }
111
112 memset(&cmd, 0, sizeof(cmd)); 107 memset(&cmd, 0, sizeof(cmd));
113 cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE; 108 cmd.tf_flags = IDE_TFLAG_TF | IDE_TFLAG_DEVICE;
114 109
110 if (dma == 0) {
111 ide_init_sg_cmd(&cmd, nsectors);
112 ide_map_sg(drive, rq);
113 }
114
115 if (drive->dev_flags & IDE_DFLAG_LBA) { 115 if (drive->dev_flags & IDE_DFLAG_LBA) {
116 if (lba48) { 116 if (lba48) {
117 pr_debug("%s: LBA=0x%012llx\n", drive->name, 117 pr_debug("%s: LBA=0x%012llx\n", drive->name,
@@ -170,7 +170,7 @@ static ide_startstop_t __ide_do_rw_disk(ide_drive_t *drive, struct request *rq,
170 /* fallback to PIO */ 170 /* fallback to PIO */
171 cmd.tf_flags |= IDE_TFLAG_DMA_PIO_FALLBACK; 171 cmd.tf_flags |= IDE_TFLAG_DMA_PIO_FALLBACK;
172 ide_tf_set_cmd(drive, &cmd, 0); 172 ide_tf_set_cmd(drive, &cmd, 0);
173 ide_init_sg_cmd(drive, rq); 173 ide_init_sg_cmd(&cmd, nsectors);
174 rc = do_rw_taskfile(drive, &cmd); 174 rc = do_rw_taskfile(drive, &cmd);
175 } 175 }
176 176
diff --git a/drivers/ide/ide-dma-sff.c b/drivers/ide/ide-dma-sff.c
index 22b3e751d19b..7bf28a9b6f65 100644
--- a/drivers/ide/ide-dma-sff.c
+++ b/drivers/ide/ide-dma-sff.c
@@ -120,7 +120,7 @@ int ide_build_dmatable(ide_drive_t *drive, struct request *rq)
120 struct scatterlist *sg; 120 struct scatterlist *sg;
121 u8 is_trm290 = !!(hwif->host_flags & IDE_HFLAG_TRM290); 121 u8 is_trm290 = !!(hwif->host_flags & IDE_HFLAG_TRM290);
122 122
123 for_each_sg(hwif->sg_table, sg, hwif->sg_nents, i) { 123 for_each_sg(hwif->sg_table, sg, hwif->cmd.sg_nents, i) {
124 u32 cur_addr, cur_len, xcount, bcount; 124 u32 cur_addr, cur_len, xcount, bcount;
125 125
126 cur_addr = sg_dma_address(sg); 126 cur_addr = sg_dma_address(sg);
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 54f17ae9225d..cba9fe585d87 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -128,21 +128,22 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq)
128{ 128{
129 ide_hwif_t *hwif = drive->hwif; 129 ide_hwif_t *hwif = drive->hwif;
130 struct scatterlist *sg = hwif->sg_table; 130 struct scatterlist *sg = hwif->sg_table;
131 struct ide_cmd *cmd = &hwif->cmd;
131 int i; 132 int i;
132 133
133 ide_map_sg(drive, rq); 134 ide_map_sg(drive, rq);
134 135
135 if (rq_data_dir(rq) == READ) 136 if (rq_data_dir(rq) == READ)
136 hwif->sg_dma_direction = DMA_FROM_DEVICE; 137 cmd->sg_dma_direction = DMA_FROM_DEVICE;
137 else 138 else
138 hwif->sg_dma_direction = DMA_TO_DEVICE; 139 cmd->sg_dma_direction = DMA_TO_DEVICE;
139 140
140 i = dma_map_sg(hwif->dev, sg, hwif->sg_nents, hwif->sg_dma_direction); 141 i = dma_map_sg(hwif->dev, sg, cmd->sg_nents, cmd->sg_dma_direction);
141 if (i == 0) 142 if (i == 0)
142 ide_map_sg(drive, rq); 143 ide_map_sg(drive, rq);
143 else { 144 else {
144 hwif->orig_sg_nents = hwif->sg_nents; 145 cmd->orig_sg_nents = cmd->sg_nents;
145 hwif->sg_nents = i; 146 cmd->sg_nents = i;
146 } 147 }
147 148
148 return i; 149 return i;
@@ -162,9 +163,10 @@ int ide_build_sglist(ide_drive_t *drive, struct request *rq)
162void ide_destroy_dmatable(ide_drive_t *drive) 163void ide_destroy_dmatable(ide_drive_t *drive)
163{ 164{
164 ide_hwif_t *hwif = drive->hwif; 165 ide_hwif_t *hwif = drive->hwif;
166 struct ide_cmd *cmd = &hwif->cmd;
165 167
166 dma_unmap_sg(hwif->dev, hwif->sg_table, hwif->orig_sg_nents, 168 dma_unmap_sg(hwif->dev, hwif->sg_table, cmd->orig_sg_nents,
167 hwif->sg_dma_direction); 169 cmd->sg_dma_direction);
168} 170}
169EXPORT_SYMBOL_GPL(ide_destroy_dmatable); 171EXPORT_SYMBOL_GPL(ide_destroy_dmatable);
170 172
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 5625946739ad..f56e9a918b99 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -244,6 +244,7 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
244{ 244{
245 struct ide_disk_obj *floppy = drive->driver_data; 245 struct ide_disk_obj *floppy = drive->driver_data;
246 ide_hwif_t *hwif = drive->hwif; 246 ide_hwif_t *hwif = drive->hwif;
247 struct ide_cmd *cmd = &hwif->cmd;
247 struct ide_atapi_pc *pc; 248 struct ide_atapi_pc *pc;
248 249
249 if (drive->debug_mask & IDE_DBG_RQ) 250 if (drive->debug_mask & IDE_DBG_RQ)
@@ -285,12 +286,12 @@ static ide_startstop_t ide_floppy_do_request(ide_drive_t *drive,
285 } 286 }
286 287
287 if (blk_fs_request(rq) || pc->req_xfer) { 288 if (blk_fs_request(rq) || pc->req_xfer) {
288 ide_init_sg_cmd(drive, rq); 289 ide_init_sg_cmd(cmd, rq->nr_sectors);
289 ide_map_sg(drive, rq); 290 ide_map_sg(drive, rq);
290 } 291 }
291 292
292 pc->sg = hwif->sg_table; 293 pc->sg = hwif->sg_table;
293 pc->sg_cnt = hwif->sg_nents; 294 pc->sg_cnt = cmd->sg_nents;
294 295
295 pc->rq = rq; 296 pc->rq = rq;
296 297
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 2900271c6ddd..7917fa09bf15 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -274,30 +274,26 @@ static ide_startstop_t do_special (ide_drive_t *drive)
274void ide_map_sg(ide_drive_t *drive, struct request *rq) 274void ide_map_sg(ide_drive_t *drive, struct request *rq)
275{ 275{
276 ide_hwif_t *hwif = drive->hwif; 276 ide_hwif_t *hwif = drive->hwif;
277 struct ide_cmd *cmd = &hwif->cmd;
277 struct scatterlist *sg = hwif->sg_table; 278 struct scatterlist *sg = hwif->sg_table;
278 279
279 if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { 280 if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
280 sg_init_one(sg, rq->buffer, rq->nr_sectors * SECTOR_SIZE); 281 sg_init_one(sg, rq->buffer, rq->nr_sectors * SECTOR_SIZE);
281 hwif->sg_nents = 1; 282 cmd->sg_nents = 1;
282 } else if (!rq->bio) { 283 } else if (!rq->bio) {
283 sg_init_one(sg, rq->data, rq->data_len); 284 sg_init_one(sg, rq->data, rq->data_len);
284 hwif->sg_nents = 1; 285 cmd->sg_nents = 1;
285 } else { 286 } else
286 hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg); 287 cmd->sg_nents = blk_rq_map_sg(drive->queue, rq, sg);
287 }
288} 288}
289
290EXPORT_SYMBOL_GPL(ide_map_sg); 289EXPORT_SYMBOL_GPL(ide_map_sg);
291 290
292void ide_init_sg_cmd(ide_drive_t *drive, struct request *rq) 291void ide_init_sg_cmd(struct ide_cmd *cmd, int nsect)
293{ 292{
294 ide_hwif_t *hwif = drive->hwif; 293 cmd->nsect = cmd->nleft = nsect;
295 294 cmd->cursg_ofs = 0;
296 hwif->nsect = hwif->nleft = rq->nr_sectors; 295 cmd->cursg = NULL;
297 hwif->cursg_ofs = 0;
298 hwif->cursg = NULL;
299} 296}
300
301EXPORT_SYMBOL_GPL(ide_init_sg_cmd); 297EXPORT_SYMBOL_GPL(ide_init_sg_cmd);
302 298
303/** 299/**
@@ -323,7 +319,7 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
323 case TASKFILE_OUT: 319 case TASKFILE_OUT:
324 case TASKFILE_MULTI_IN: 320 case TASKFILE_MULTI_IN:
325 case TASKFILE_IN: 321 case TASKFILE_IN:
326 ide_init_sg_cmd(drive, rq); 322 ide_init_sg_cmd(cmd, rq->nr_sectors);
327 ide_map_sg(drive, rq); 323 ide_map_sg(drive, rq);
328 default: 324 default:
329 break; 325 break;
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index d3bd93afbf2b..249a707f88a4 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -209,7 +209,7 @@ static void ide_pio_sector(ide_drive_t *drive, struct ide_cmd *cmd,
209{ 209{
210 ide_hwif_t *hwif = drive->hwif; 210 ide_hwif_t *hwif = drive->hwif;
211 struct scatterlist *sg = hwif->sg_table; 211 struct scatterlist *sg = hwif->sg_table;
212 struct scatterlist *cursg = hwif->cursg; 212 struct scatterlist *cursg = cmd->cursg;
213 struct page *page; 213 struct page *page;
214#ifdef CONFIG_HIGHMEM 214#ifdef CONFIG_HIGHMEM
215 unsigned long flags; 215 unsigned long flags;
@@ -217,14 +217,14 @@ static void ide_pio_sector(ide_drive_t *drive, struct ide_cmd *cmd,
217 unsigned int offset; 217 unsigned int offset;
218 u8 *buf; 218 u8 *buf;
219 219
220 cursg = hwif->cursg; 220 cursg = cmd->cursg;
221 if (!cursg) { 221 if (!cursg) {
222 cursg = sg; 222 cursg = sg;
223 hwif->cursg = sg; 223 cmd->cursg = sg;
224 } 224 }
225 225
226 page = sg_page(cursg); 226 page = sg_page(cursg);
227 offset = cursg->offset + hwif->cursg_ofs * SECTOR_SIZE; 227 offset = cursg->offset + cmd->cursg_ofs * SECTOR_SIZE;
228 228
229 /* get the current page and offset */ 229 /* get the current page and offset */
230 page = nth_page(page, (offset >> PAGE_SHIFT)); 230 page = nth_page(page, (offset >> PAGE_SHIFT));
@@ -235,12 +235,12 @@ static void ide_pio_sector(ide_drive_t *drive, struct ide_cmd *cmd,
235#endif 235#endif
236 buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset; 236 buf = kmap_atomic(page, KM_BIO_SRC_IRQ) + offset;
237 237
238 hwif->nleft--; 238 cmd->nleft--;
239 hwif->cursg_ofs++; 239 cmd->cursg_ofs++;
240 240
241 if ((hwif->cursg_ofs * SECTOR_SIZE) == cursg->length) { 241 if ((cmd->cursg_ofs * SECTOR_SIZE) == cursg->length) {
242 hwif->cursg = sg_next(hwif->cursg); 242 cmd->cursg = sg_next(cmd->cursg);
243 hwif->cursg_ofs = 0; 243 cmd->cursg_ofs = 0;
244 } 244 }
245 245
246 /* do the actual data transfer */ 246 /* do the actual data transfer */
@@ -260,7 +260,7 @@ static void ide_pio_multi(ide_drive_t *drive, struct ide_cmd *cmd,
260{ 260{
261 unsigned int nsect; 261 unsigned int nsect;
262 262
263 nsect = min_t(unsigned int, drive->hwif->nleft, drive->mult_count); 263 nsect = min_t(unsigned int, cmd->nleft, drive->mult_count);
264 while (nsect--) 264 while (nsect--)
265 ide_pio_sector(drive, cmd, write); 265 ide_pio_sector(drive, cmd, write);
266} 266}
@@ -295,19 +295,18 @@ static ide_startstop_t task_error(ide_drive_t *drive, struct ide_cmd *cmd,
295 const char *s, u8 stat) 295 const char *s, u8 stat)
296{ 296{
297 if (cmd->tf_flags & IDE_TFLAG_FS) { 297 if (cmd->tf_flags & IDE_TFLAG_FS) {
298 ide_hwif_t *hwif = drive->hwif; 298 int sectors = cmd->nsect - cmd->nleft;
299 int sectors = hwif->nsect - hwif->nleft;
300 299
301 switch (cmd->data_phase) { 300 switch (cmd->data_phase) {
302 case TASKFILE_IN: 301 case TASKFILE_IN:
303 if (hwif->nleft) 302 if (cmd->nleft)
304 break; 303 break;
305 /* fall through */ 304 /* fall through */
306 case TASKFILE_OUT: 305 case TASKFILE_OUT:
307 sectors--; 306 sectors--;
308 break; 307 break;
309 case TASKFILE_MULTI_IN: 308 case TASKFILE_MULTI_IN:
310 if (hwif->nleft) 309 if (cmd->nleft)
311 break; 310 break;
312 /* fall through */ 311 /* fall through */
313 case TASKFILE_MULTI_OUT: 312 case TASKFILE_MULTI_OUT:
@@ -375,7 +374,7 @@ static ide_startstop_t task_in_intr(ide_drive_t *drive)
375 ide_pio_datablock(drive, cmd, 0); 374 ide_pio_datablock(drive, cmd, 0);
376 375
377 /* Are we done? Check status and finish transfer. */ 376 /* Are we done? Check status and finish transfer. */
378 if (!hwif->nleft) { 377 if (cmd->nleft == 0) {
379 stat = wait_drive_not_busy(drive); 378 stat = wait_drive_not_busy(drive);
380 if (!OK_STAT(stat, 0, BAD_STAT)) 379 if (!OK_STAT(stat, 0, BAD_STAT))
381 return task_error(drive, cmd, __func__, stat); 380 return task_error(drive, cmd, __func__, stat);
@@ -402,10 +401,10 @@ static ide_startstop_t task_out_intr (ide_drive_t *drive)
402 return task_error(drive, cmd, __func__, stat); 401 return task_error(drive, cmd, __func__, stat);
403 402
404 /* Deal with unexpected ATA data phase. */ 403 /* Deal with unexpected ATA data phase. */
405 if (((stat & ATA_DRQ) == 0) ^ !hwif->nleft) 404 if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0))
406 return task_error(drive, cmd, __func__, stat); 405 return task_error(drive, cmd, __func__, stat);
407 406
408 if (!hwif->nleft) { 407 if (cmd->nleft == 0) {
409 ide_finish_cmd(drive, cmd, stat); 408 ide_finish_cmd(drive, cmd, stat);
410 return ide_stopped; 409 return ide_stopped;
411 } 410 }
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 904fb54668e8..f5b85f4c1b65 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1432,7 +1432,7 @@ pmac_ide_build_dmatable(ide_drive_t *drive, struct request *rq)
1432 volatile struct dbdma_regs __iomem *dma = pmif->dma_regs; 1432 volatile struct dbdma_regs __iomem *dma = pmif->dma_regs;
1433 struct scatterlist *sg; 1433 struct scatterlist *sg;
1434 int wr = (rq_data_dir(rq) == WRITE); 1434 int wr = (rq_data_dir(rq) == WRITE);
1435 int i = hwif->sg_nents, count = 0; 1435 int i = hwif->cmd.sg_nents, count = 0;
1436 1436
1437 /* DMA table is already aligned */ 1437 /* DMA table is already aligned */
1438 table = (struct dbdma_cmd *) pmif->dma_table_cpu; 1438 table = (struct dbdma_cmd *) pmif->dma_table_cpu;
diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index ab9433a7ad1f..b0769e96d32f 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -429,7 +429,7 @@ sgiioc4_build_dma_table(ide_drive_t * drive, struct request *rq, int ddir)
429{ 429{
430 ide_hwif_t *hwif = drive->hwif; 430 ide_hwif_t *hwif = drive->hwif;
431 unsigned int *table = hwif->dmatable_cpu; 431 unsigned int *table = hwif->dmatable_cpu;
432 unsigned int count = 0, i = hwif->sg_nents; 432 unsigned int count = 0, i = hwif->cmd.sg_nents;
433 struct scatterlist *sg = hwif->sg_table; 433 struct scatterlist *sg = hwif->sg_table;
434 434
435 while (i && sg_dma_len(sg)) { 435 while (i && sg_dma_len(sg)) {
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index bf11791476f0..8d155ec8cca9 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -240,7 +240,7 @@ static int tx4939ide_build_dmatable(ide_drive_t *drive, struct request *rq)
240 int i; 240 int i;
241 struct scatterlist *sg; 241 struct scatterlist *sg;
242 242
243 for_each_sg(hwif->sg_table, sg, hwif->sg_nents, i) { 243 for_each_sg(hwif->sg_table, sg, hwif->cmd.sg_nents, i) {
244 u32 cur_addr, cur_len, bcount; 244 u32 cur_addr, cur_len, bcount;
245 245
246 cur_addr = sg_dma_address(sg); 246 cur_addr = sg_dma_address(sg);
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 1785582e1f86..02128e9241d1 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -344,6 +344,16 @@ struct ide_cmd {
344 u8 ftf_flags; /* for TASKFILE ioctl */ 344 u8 ftf_flags; /* for TASKFILE ioctl */
345 u32 tf_flags; 345 u32 tf_flags;
346 int data_phase; 346 int data_phase;
347
348 int sg_nents; /* number of sg entries */
349 int orig_sg_nents;
350 int sg_dma_direction; /* DMA transfer direction */
351
352 unsigned int nsect;
353 unsigned int nleft;
354 struct scatterlist *cursg;
355 unsigned int cursg_ofs;
356
347 struct request *rq; /* copy of request */ 357 struct request *rq; /* copy of request */
348 void *special; /* valid_t generally */ 358 void *special; /* valid_t generally */
349}; 359};
@@ -772,17 +782,9 @@ typedef struct hwif_s {
772 /* Scatter-gather list used to build the above */ 782 /* Scatter-gather list used to build the above */
773 struct scatterlist *sg_table; 783 struct scatterlist *sg_table;
774 int sg_max_nents; /* Maximum number of entries in it */ 784 int sg_max_nents; /* Maximum number of entries in it */
775 int sg_nents; /* Current number of entries in it */
776 int orig_sg_nents;
777 int sg_dma_direction; /* dma transfer direction */
778 785
779 struct ide_cmd cmd; /* current command */ 786 struct ide_cmd cmd; /* current command */
780 787
781 unsigned int nsect;
782 unsigned int nleft;
783 struct scatterlist *cursg;
784 unsigned int cursg_ofs;
785
786 int rqsize; /* max sectors per request */ 788 int rqsize; /* max sectors per request */
787 int irq; /* our irq number */ 789 int irq; /* our irq number */
788 790
@@ -1410,7 +1412,7 @@ int ide_pci_resume(struct pci_dev *);
1410#endif 1412#endif
1411 1413
1412void ide_map_sg(ide_drive_t *, struct request *); 1414void ide_map_sg(ide_drive_t *, struct request *);
1413void ide_init_sg_cmd(ide_drive_t *, struct request *); 1415void ide_init_sg_cmd(struct ide_cmd *, int);
1414 1416
1415#define BAD_DMA_DRIVE 0 1417#define BAD_DMA_DRIVE 0
1416#define GOOD_DMA_DRIVE 1 1418#define GOOD_DMA_DRIVE 1