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Commit 22a37bcb authored by Linus Torvalds's avatar Linus Torvalds
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Merge branch 'sbp2-spindown' of... 

Merge branch 'sbp2-spindown' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6

* 'sbp2-spindown' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  ieee1394: sbp2: spin disks down on suspend and shutdown
  firewire: fw-sbp2: spin disks down on suspend and shutdown
  ieee1394: sbp2: fix spindown for PL-3507 and TSB42AA9 firmwares
  firewire: fw-sbp2: fix spindown for PL-3507 and TSB42AA9 firmwares
  scsi: sd: optionally set power condition in START STOP UNIT
parents 849c529f 82f06e86

drivers/firewire/fw-sbp2.c

+23 −2
Original line number Diff line number Diff line
@@ -86,6 +86,11 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " 
 * - delay inquiry

 *   Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry.

 *

 * - power condition

 *   Set the power condition field in the START STOP UNIT commands sent by

 *   sd_mod on suspend, resume, and shutdown (if manage_start_stop is on).

 *   Some disks need this to spin down or to resume properly.

 *

 * - override internal blacklist

 *   Instead of adding to the built-in blacklist, use only the workarounds

 *   specified in the module load parameter.
@@ -97,6 +102,7 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " 
#define SBP2_WORKAROUND_FIX_CAPACITY	0x8

#define SBP2_WORKAROUND_DELAY_INQUIRY	0x10

#define SBP2_INQUIRY_DELAY		12

#define SBP2_WORKAROUND_POWER_CONDITION	0x20

#define SBP2_WORKAROUND_OVERRIDE	0x100



static int sbp2_param_workarounds;
@@ -107,6 +113,8 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" 
	", skip mode page 8 = "   __stringify(SBP2_WORKAROUND_MODE_SENSE_8)

	", fix capacity = "       __stringify(SBP2_WORKAROUND_FIX_CAPACITY)

	", delay inquiry = "      __stringify(SBP2_WORKAROUND_DELAY_INQUIRY)

	", set power condition in start stop unit = "

				  __stringify(SBP2_WORKAROUND_POWER_CONDITION)

	", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE)

	", or a combination)");
@@ -310,18 +318,25 @@ static const struct { 
		.firmware_revision	= 0x002800,

		.model			= 0x001010,

		.workarounds		= SBP2_WORKAROUND_INQUIRY_36 |

					  SBP2_WORKAROUND_MODE_SENSE_8,

					  SBP2_WORKAROUND_MODE_SENSE_8 |

					  SBP2_WORKAROUND_POWER_CONDITION,

	},

	/* DViCO Momobay FX-3A with TSB42AA9A bridge */ {

		.firmware_revision	= 0x002800,

		.model			= 0x000000,

		.workarounds		= SBP2_WORKAROUND_DELAY_INQUIRY,

		.workarounds		= SBP2_WORKAROUND_DELAY_INQUIRY |

					  SBP2_WORKAROUND_POWER_CONDITION,

	},

	/* Initio bridges, actually only needed for some older ones */ {

		.firmware_revision	= 0x000200,

		.model			= ~0,

		.workarounds		= SBP2_WORKAROUND_INQUIRY_36,

	},

	/* PL-3507 bridge with Prolific firmware */ {

		.firmware_revision	= 0x012800,

		.model			= ~0,

		.workarounds		= SBP2_WORKAROUND_POWER_CONDITION,

	},

	/* Symbios bridge */ {

		.firmware_revision	= 0xa0b800,

		.model			= ~0,
@@ -1530,6 +1545,9 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) 


	sdev->use_10_for_rw = 1;



	if (sbp2_param_exclusive_login)

		sdev->manage_start_stop = 1;



	if (sdev->type == TYPE_ROM)

		sdev->use_10_for_ms = 1;
@@ -1540,6 +1558,9 @@ static int sbp2_scsi_slave_configure(struct scsi_device *sdev) 
	if (lu->tgt->workarounds & SBP2_WORKAROUND_FIX_CAPACITY)

		sdev->fix_capacity = 1;



	if (lu->tgt->workarounds & SBP2_WORKAROUND_POWER_CONDITION)

		sdev->start_stop_pwr_cond = 1;



	if (lu->tgt->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS)

		blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512);

drivers/ieee1394/sbp2.c

+20 −2
Original line number Diff line number Diff line
@@ -186,6 +186,11 @@ MODULE_PARM_DESC(exclusive_login, "Exclusive login to sbp2 device " 
 * - delay inquiry

 *   Wait extra SBP2_INQUIRY_DELAY seconds after login before SCSI inquiry.

 *

 * - power condition

 *   Set the power condition field in the START STOP UNIT commands sent by

 *   sd_mod on suspend, resume, and shutdown (if manage_start_stop is on).

 *   Some disks need this to spin down or to resume properly.

 *

 * - override internal blacklist

 *   Instead of adding to the built-in blacklist, use only the workarounds

 *   specified in the module load parameter.
@@ -199,6 +204,8 @@ MODULE_PARM_DESC(workarounds, "Work around device bugs (default = 0" 
	", skip mode page 8 = "   __stringify(SBP2_WORKAROUND_MODE_SENSE_8)

	", fix capacity = "       __stringify(SBP2_WORKAROUND_FIX_CAPACITY)

	", delay inquiry = "      __stringify(SBP2_WORKAROUND_DELAY_INQUIRY)

	", set power condition in start stop unit = "

				  __stringify(SBP2_WORKAROUND_POWER_CONDITION)

	", override internal blacklist = " __stringify(SBP2_WORKAROUND_OVERRIDE)

	", or a combination)");
@@ -359,18 +366,25 @@ static const struct { 
		.firmware_revision	= 0x002800,

		.model_id		= 0x001010,

		.workarounds		= SBP2_WORKAROUND_INQUIRY_36 |

					  SBP2_WORKAROUND_MODE_SENSE_8,

					  SBP2_WORKAROUND_MODE_SENSE_8 |

					  SBP2_WORKAROUND_POWER_CONDITION,

	},

	/* DViCO Momobay FX-3A with TSB42AA9A bridge */ {

		.firmware_revision	= 0x002800,

		.model_id		= 0x000000,

		.workarounds		= SBP2_WORKAROUND_DELAY_INQUIRY,

		.workarounds		= SBP2_WORKAROUND_DELAY_INQUIRY |

					  SBP2_WORKAROUND_POWER_CONDITION,

	},

	/* Initio bridges, actually only needed for some older ones */ {

		.firmware_revision	= 0x000200,

		.model_id		= SBP2_ROM_VALUE_WILDCARD,

		.workarounds		= SBP2_WORKAROUND_INQUIRY_36,

	},

	/* PL-3507 bridge with Prolific firmware */ {

		.firmware_revision	= 0x012800,

		.model_id		= SBP2_ROM_VALUE_WILDCARD,

		.workarounds		= SBP2_WORKAROUND_POWER_CONDITION,

	},

	/* Symbios bridge */ {

		.firmware_revision	= 0xa0b800,

		.model_id		= SBP2_ROM_VALUE_WILDCARD,
@@ -1995,6 +2009,8 @@ static int sbp2scsi_slave_configure(struct scsi_device *sdev) 


	sdev->use_10_for_rw = 1;



	if (sbp2_exclusive_login)

		sdev->manage_start_stop = 1;

	if (sdev->type == TYPE_ROM)

		sdev->use_10_for_ms = 1;

	if (sdev->type == TYPE_DISK &&
@@ -2002,6 +2018,8 @@ static int sbp2scsi_slave_configure(struct scsi_device *sdev) 
		sdev->skip_ms_page_8 = 1;

	if (lu->workarounds & SBP2_WORKAROUND_FIX_CAPACITY)

		sdev->fix_capacity = 1;

	if (lu->workarounds & SBP2_WORKAROUND_POWER_CONDITION)

		sdev->start_stop_pwr_cond = 1;

	if (lu->workarounds & SBP2_WORKAROUND_128K_MAX_TRANS)

		blk_queue_max_sectors(sdev->request_queue, 128 * 1024 / 512);

	return 0;

drivers/ieee1394/sbp2.h

+1 −0
Original line number Diff line number Diff line
@@ -345,6 +345,7 @@ enum sbp2lu_state_types { 
#define SBP2_WORKAROUND_FIX_CAPACITY	0x8

#define SBP2_WORKAROUND_DELAY_INQUIRY	0x10

#define SBP2_INQUIRY_DELAY		12

#define SBP2_WORKAROUND_POWER_CONDITION	0x20

#define SBP2_WORKAROUND_OVERRIDE	0x100



#endif /* SBP2_H */

drivers/scsi/sd.c

+5 −0
Original line number Diff line number Diff line
@@ -1124,6 +1124,8 @@ sd_spinup_disk(struct scsi_disk *sdkp) 
				cmd[1] = 1;	/* Return immediately */

				memset((void *) &cmd[2], 0, 8);

				cmd[4] = 1;	/* Start spin cycle */

				if (sdkp->device->start_stop_pwr_cond)

					cmd[4] |= 1 << 4;

				scsi_execute_req(sdkp->device, cmd, DMA_NONE,

						 NULL, 0, &sshdr,

						 SD_TIMEOUT, SD_MAX_RETRIES);
@@ -1790,6 +1792,9 @@ static int sd_start_stop_device(struct scsi_disk *sdkp, int start) 
	if (start)

		cmd[4] |= 1;	/* START */



	if (sdp->start_stop_pwr_cond)

		cmd[4] |= start ? 1 << 4 : 3 << 4;	/* Active or Standby */



	if (!scsi_device_online(sdp))

		return -ENODEV;

include/scsi/scsi_device.h

+1 −0
Original line number Diff line number Diff line
@@ -134,6 +134,7 @@ struct scsi_device { 
	unsigned no_start_on_add:1;	/* do not issue start on add */

	unsigned allow_restart:1; /* issue START_UNIT in error handler */

	unsigned manage_start_stop:1;	/* Let HLD (sd) manage start/stop */

	unsigned start_stop_pwr_cond:1;	/* Set power cond. in START_STOP_UNIT */

	unsigned no_uld_attach:1; /* disable connecting to upper level drivers */

	unsigned select_no_atn:1;

	unsigned fix_capacity:1;	/* READ_CAPACITY is too high by 1 */