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Commit 57f20f4e authored by Dan Williams's avatar Dan Williams
Browse files

isci: unify remote_device data structures 



Make it explicit that isci_remote_device and scic_sds_remote_device are
one in the same object.

Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 9614395e

drivers/scsi/isci/core/scic_remote_device.h

+0 −12
Original line number Diff line number Diff line
@@ -86,18 +86,6 @@ enum scic_remote_device_not_ready_reason_code { 


};



/**

 * scic_remote_device_get_object_size() - This method simply returns the

 *    maximum memory space needed to store a remote device object.

 *

 * a positive integer value indicating the size (in bytes) of the remote device

 * object.

 */

u32 scic_remote_device_get_object_size(

	void);



struct scic_sds_port;

struct scic_sds_remote_device;

/**

 * scic_remote_device_construct() - This method will perform the construction

 *    common to all remote device objects.

drivers/scsi/isci/core/scic_sds_remote_device.c

+0 −15
Original line number Diff line number Diff line
@@ -71,21 +71,6 @@ 


#define SCIC_SDS_REMOTE_DEVICE_RESET_TIMEOUT  (1000)



/*

 * *****************************************************************************

 * *  CORE REMOTE DEVICE PRIVATE METHODS

 * ***************************************************************************** */



/*

 * *****************************************************************************

 * *  CORE REMOTE DEVICE PUBLIC METHODS

 * ***************************************************************************** */



u32 scic_remote_device_get_object_size(void)

{

	return sizeof (struct scic_sds_remote_device);

}



enum sci_status scic_remote_device_da_construct(

	struct scic_sds_remote_device *sci_dev)

{

drivers/scsi/isci/host.c

+1 −1
Original line number Diff line number Diff line
@@ -467,7 +467,7 @@ int isci_host_init(struct isci_host *isci_host) 
		isci_phy_init(&isci_host->phys[i], isci_host, i);



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

		struct isci_remote_device *idev = idev_by_id(isci_host, i);

		struct isci_remote_device *idev = &isci_host->devices[i];



		INIT_LIST_HEAD(&idev->reqs_in_process);

		INIT_LIST_HEAD(&idev->node);

drivers/scsi/isci/host.h

+1 −10
Original line number Diff line number Diff line
@@ -110,18 +110,9 @@ struct isci_host { 
	struct list_head requests_to_errorback;

	spinlock_t scic_lock;



	/* careful only access this via idev_by_id */

	struct isci_remote_device devices[0];

	struct isci_remote_device devices[SCI_MAX_REMOTE_DEVICES];

};



static inline struct isci_remote_device *idev_by_id(struct isci_host *ihost, int i)

{

	void *p = ihost->devices;



	return p + i * (sizeof(struct isci_remote_device) +

			scic_remote_device_get_object_size());

}



/**

 * struct isci_pci_info - This class represents the pci function containing the

 *    controllers. Depending on PCI SKU, there could be up to 2 controllers in

drivers/scsi/isci/init.c

+1 −4
Original line number Diff line number Diff line
@@ -396,10 +396,7 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id) 
	struct Scsi_Host *shost;

	int err;



	isci_host = devm_kzalloc(&pdev->dev, sizeof(*isci_host) +

				 SCI_MAX_REMOTE_DEVICES *

				 (sizeof(struct isci_remote_device) +

				  scic_remote_device_get_object_size()), GFP_KERNEL);

	isci_host = devm_kzalloc(&pdev->dev, sizeof(*isci_host), GFP_KERNEL);

	if (!isci_host)

		return NULL;