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Commit e37ee4be authored by Mark Haverkamp's avatar Mark Haverkamp Committed by James Bottomley
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[SCSI] aacraid: expanded expose physical device code (new) 



Received from Mark Salyzyn,

Take the expose_physicals flag and allow the user to select default (physicals
available via /dev/sg), exposed (physicals available via /dev/sd for
experimental reasons) and hidden (physicals blocked from all access). This
expands the functionality of the previous expose_physicals insmod parameter
which was added to support some experimental configurations.

Signed-off-by Mark Haverkamp <markh@linux-foundation.org>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@SteelEye.com>
parent e8f32de5

drivers/scsi/aacraid/aachba.c

+2 −2
Original line number Diff line number Diff line
@@ -170,9 +170,9 @@ int acbsize = -1; 
module_param(acbsize, int, S_IRUGO|S_IWUSR);

MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");



int expose_physicals = 0;

int expose_physicals = -1;

module_param(expose_physicals, int, S_IRUGO|S_IWUSR);

MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. 0=off, 1=on");

MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");

/**

 *	aac_get_config_status	-	check the adapter configuration

 *	@common: adapter to query

drivers/scsi/aacraid/linit.c

+8 −4
Original line number Diff line number Diff line
@@ -398,12 +398,16 @@ static int aac_slave_configure(struct scsi_device *sdev) 
		sdev->skip_ms_page_3f = 1;

	}

	if ((sdev->type == TYPE_DISK) &&

			!expose_physicals &&

			(sdev_channel(sdev) != CONTAINER_CHANNEL)) {

		struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;

		if (expose_physicals == 0)

			return -ENXIO;

		if (expose_physicals < 0) {

			struct aac_dev *aac =

				(struct aac_dev *)sdev->host->hostdata;

			if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))

				sdev->no_uld_attach = 1;

		}

	}

	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&

			(sdev_channel(sdev) == CONTAINER_CHANNEL)) {

		struct scsi_device * dev;