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-rw-r--r--include/linux/libata.h26
1 files changed, 16 insertions, 10 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index e57e5d08312d..94110b652b30 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -27,6 +27,7 @@
27#define __LINUX_LIBATA_H__ 27#define __LINUX_LIBATA_H__
28 28
29#include <linux/delay.h> 29#include <linux/delay.h>
30#include <linux/jiffies.h>
30#include <linux/interrupt.h> 31#include <linux/interrupt.h>
31#include <linux/dma-mapping.h> 32#include <linux/dma-mapping.h>
32#include <linux/scatterlist.h> 33#include <linux/scatterlist.h>
@@ -115,7 +116,7 @@ enum {
115 /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */ 116 /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
116 ATA_MAX_QUEUE = 32, 117 ATA_MAX_QUEUE = 32,
117 ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1, 118 ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1,
118 ATA_SHORT_PAUSE = (HZ >> 6) + 1, 119 ATA_SHORT_PAUSE = 16,
119 120
120 ATAPI_MAX_DRAIN = 16 << 10, 121 ATAPI_MAX_DRAIN = 16 << 10,
121 122
@@ -234,17 +235,17 @@ enum {
234 /* bits 24:31 of host->flags are reserved for LLD specific flags */ 235 /* bits 24:31 of host->flags are reserved for LLD specific flags */
235 236
236 /* various lengths of time */ 237 /* various lengths of time */
237 ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */ 238 ATA_TMOUT_BOOT = 30000, /* heuristic */
238 ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */ 239 ATA_TMOUT_BOOT_QUICK = 7000, /* heuristic */
239 ATA_TMOUT_INTERNAL = 30 * HZ, 240 ATA_TMOUT_INTERNAL = 30000,
240 ATA_TMOUT_INTERNAL_QUICK = 5 * HZ, 241 ATA_TMOUT_INTERNAL_QUICK = 5000,
241 242
242 /* FIXME: GoVault needs 2s but we can't afford that without 243 /* FIXME: GoVault needs 2s but we can't afford that without
243 * parallel probing. 800ms is enough for iVDR disk 244 * parallel probing. 800ms is enough for iVDR disk
244 * HHD424020F7SV00. Increase to 2secs when parallel probing 245 * HHD424020F7SV00. Increase to 2secs when parallel probing
245 * is in place. 246 * is in place.
246 */ 247 */
247 ATA_TMOUT_FF_WAIT = 4 * HZ / 5, 248 ATA_TMOUT_FF_WAIT = 800,
248 249
249 /* Spec mandates to wait for ">= 2ms" before checking status 250 /* Spec mandates to wait for ">= 2ms" before checking status
250 * after reset. We wait 150ms, because that was the magic 251 * after reset. We wait 150ms, because that was the magic
@@ -256,14 +257,14 @@ enum {
256 * 257 *
257 * Old drivers/ide uses the 2mS rule and then waits for ready. 258 * Old drivers/ide uses the 2mS rule and then waits for ready.
258 */ 259 */
259 ATA_WAIT_AFTER_RESET_MSECS = 150, 260 ATA_WAIT_AFTER_RESET = 150,
260 261
261 /* If PMP is supported, we have to do follow-up SRST. As some 262 /* If PMP is supported, we have to do follow-up SRST. As some
262 * PMPs don't send D2H Reg FIS after hardreset, LLDs are 263 * PMPs don't send D2H Reg FIS after hardreset, LLDs are
263 * advised to wait only for the following duration before 264 * advised to wait only for the following duration before
264 * doing SRST. 265 * doing SRST.
265 */ 266 */
266 ATA_TMOUT_PMP_SRST_WAIT = 1 * HZ, 267 ATA_TMOUT_PMP_SRST_WAIT = 1000,
267 268
268 /* ATA bus states */ 269 /* ATA bus states */
269 BUS_UNKNOWN = 0, 270 BUS_UNKNOWN = 0,
@@ -895,8 +896,7 @@ extern void ata_host_resume(struct ata_host *host);
895#endif 896#endif
896extern int ata_ratelimit(void); 897extern int ata_ratelimit(void);
897extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val, 898extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
898 unsigned long interval_msec, 899 unsigned long interval, unsigned long timeout);
899 unsigned long timeout_msec);
900extern int atapi_cmd_type(u8 opcode); 900extern int atapi_cmd_type(u8 opcode);
901extern void ata_tf_to_fis(const struct ata_taskfile *tf, 901extern void ata_tf_to_fis(const struct ata_taskfile *tf,
902 u8 pmp, int is_cmd, u8 *fis); 902 u8 pmp, int is_cmd, u8 *fis);
@@ -1389,6 +1389,12 @@ static inline int ata_check_ready(u8 status)
1389 return 0; 1389 return 0;
1390} 1390}
1391 1391
1392static inline unsigned long ata_deadline(unsigned long from_jiffies,
1393 unsigned long timeout_msecs)
1394{
1395 return from_jiffies + msecs_to_jiffies(timeout_msecs);
1396}
1397
1392 1398
1393/************************************************************************** 1399/**************************************************************************
1394 * PMP - drivers/ata/libata-pmp.c 1400 * PMP - drivers/ata/libata-pmp.c