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Commit 2290678f authored by Raghava Aditya Renukunta's avatar Raghava Aditya Renukunta Committed by Martin K. Petersen
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scsi: aacraid: Added macros to help loop through known buses and targets 



Added macros to loop through the MAX SUPPORTED Buses and Targets. This
will make the code a bit easier to read.

Signed-off-by: default avatarRaghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent f2d2caba

drivers/scsi/aacraid/aacraid.h

+4 −0
Original line number Diff line number Diff line
@@ -117,9 +117,13 @@ enum { 
/* Thor: 5 phys. buses: #0: empty, 1-4: 256 targets each */

#define AAC_MAX_BUSES			5

#define AAC_MAX_TARGETS		256

#define AAC_BUS_TARGET_LOOP		(AAC_MAX_BUSES * AAC_MAX_TARGETS)

#define AAC_MAX_NATIVE_SIZE		2048

#define FW_ERROR_BUFFER_SIZE		512



#define get_bus_number(x)	(x/AAC_MAX_TARGETS)

#define get_target_number(x)	(x%AAC_MAX_TARGETS)



/* Thor AIF events */

#define SA_AIF_HOTPLUG			(1<<1)

#define SA_AIF_HARDWARE		(1<<2)

drivers/scsi/aacraid/commsup.c

+17 −17
Original line number Diff line number Diff line
@@ -1890,11 +1890,14 @@ static int aac_is_safw_target_valid(struct aac_dev *dev, int bus, int target) 


static void aac_resolve_luns(struct aac_dev *dev)

{

	int i;

	int bus, target, channel;

	struct scsi_device *sdev;



	for (bus = 0; bus < AAC_MAX_BUSES; bus++) {

		for (target = 0; target < AAC_MAX_TARGETS; target++) {

	for (i = 0; i < AAC_BUS_TARGET_LOOP; i++) {



		bus = get_bus_number(i);

		target = get_target_number(i);



		if (bus == CONTAINER_CHANNEL)

			channel = CONTAINER_CHANNEL;
@@ -1907,14 +1910,11 @@ static void aac_resolve_luns(struct aac_dev *dev) 
		if (!sdev && aac_is_safw_target_valid(dev, bus, target))

			scsi_add_device(dev->scsi_host_ptr, channel,

					target, 0);

			else if (sdev && aac_is_safw_target_valid(dev,

								bus, target))

		else if (sdev && aac_is_safw_target_valid(dev, bus, target))

			scsi_remove_device(sdev);



		if (sdev)

			scsi_device_put(sdev);



		}

	}

}