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Commit 4b7ebd05 authored by Dave Jiang's avatar Dave Jiang Committed by Dan Williams
Browse files

isci: Convert SAS identify address frame to Linux Native format 



Convert struct sci_sas_identify_address_frame to struct sas_identify_frame

Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent e76d6180

drivers/scsi/isci/core/intel_sas.h

+0 −29
Original line number Diff line number Diff line
@@ -111,35 +111,6 @@ struct sci_sas_identify_address_frame_protocols { 


};



/**

 * struct sci_sas_identify_address_frame - This structure depicts the contents

 *    of the SAS IDENTIFY ADDRESS FRAME (IAF).

 *

 * For specific information on each of these individual fields please reference

 * the SAS specification Link layer section on address frames.

 */

struct sci_sas_identify_address_frame {

	u16 address_frame_type:4;

	u16 device_type:3;

	u16 reserved1:1;

	u16 reason:4;

	u16 reserved2:4;



	struct sci_sas_identify_address_frame_protocols protocols;



	struct sci_sas_address device_name;

	struct sci_sas_address sas_address;



	u32 phy_identifier:8;

	u32 break_reply_capable:1;

	u32 requested_in_zpsds:1;

	u32 in_zpsds_persistent:1;

	u32 reserved5:21;



	u32 reserved6[4];



};



/**

 * struct sas_capabilities - This structure depicts the various SAS

 *    capabilities supported by the directly attached target device.  For

drivers/scsi/isci/core/scic_phy.h

+1 −1
Original line number Diff line number Diff line
@@ -119,7 +119,7 @@ struct scic_sas_phy_properties { 
	 * This field delineates the Identify Address Frame received

	 * from the remote end point.

	 */

	struct sci_sas_identify_address_frame received_iaf;

	struct sas_identify_frame rcvd_iaf;



	/**

	 * This field delineates the Phy capabilities structure received

drivers/scsi/isci/core/scic_sds_phy.c

+21 −65
Original line number Diff line number Diff line
@@ -411,15 +411,7 @@ static void scic_sds_phy_suspend( 
			SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX);

}



/**

 *

 * @sci_phy: The phy object to resume.

 *

 * This function will perform the register reads/writes required to resume the

 * SCU hardware protocol engine. none

 */

void scic_sds_phy_resume(

	struct scic_sds_phy *sci_phy)

void scic_sds_phy_resume(struct scic_sds_phy *sci_phy)

{

	u32 scu_sas_pcfg_value;
@@ -430,47 +422,22 @@ void scic_sds_phy_resume( 
		&sci_phy->link_layer_registers->phy_configuration);

}



/**

 * This method returns the local sas address assigned to this phy.

 * @sci_phy: This parameter specifies the phy for which to retrieve the local

 *    SAS address.

 * @sas_address: This parameter specifies the location into which to copy the

 *    local SAS address.

 *

 */

void scic_sds_phy_get_sas_address(

	struct scic_sds_phy *sci_phy,

void scic_sds_phy_get_sas_address(struct scic_sds_phy *sci_phy,

				  struct sci_sas_address *sas_address)

{

	sas_address->high = readl(&sci_phy->link_layer_registers->source_sas_address_high);

	sas_address->low = readl(&sci_phy->link_layer_registers->source_sas_address_low);

}



/**

 * This method returns the remote end-point (i.e. attached) sas address

 *    assigned to this phy.

 * @sci_phy: This parameter specifies the phy for which to retrieve the remote

 *    end-point SAS address.

 * @sas_address: This parameter specifies the location into which to copy the

 *    remote end-point SAS address.

 *

 */

void scic_sds_phy_get_attached_sas_address(

	struct scic_sds_phy *sci_phy,

void scic_sds_phy_get_attached_sas_address(struct scic_sds_phy *sci_phy,

					   struct sci_sas_address *sas_address)

{

	sas_address->high

		= sci_phy->phy_type.sas.identify_address_frame_buffer.sas_address.high;

	sas_address->low

		= sci_phy->phy_type.sas.identify_address_frame_buffer.sas_address.low;

	struct sas_identify_frame *iaf;



	iaf = &sci_phy->phy_type.sas.identify_address_frame_buffer;

	memcpy(sas_address, iaf->sas_addr, SAS_ADDR_SIZE);

}



/**

 * This method returns the supported protocols assigned to this phy

 * @sci_phy:

 *

 *

 */

void scic_sds_phy_get_protocols(

	struct scic_sds_phy *sci_phy,

	struct sci_sas_identify_address_frame_protocols *protocols)
@@ -481,17 +448,6 @@ void scic_sds_phy_get_protocols( 
				0x0000FFFF);

}



/**

 *

 * @sci_phy: The parameter is the phy object for which the attached phy

 *    protcols are to be returned.

 *

 * This method returns the supported protocols for the attached phy.  If this

 * is a SAS phy the protocols are returned from the identify address frame. If

 * this is a SATA phy then protocols are made up and the target phy is an STP

 * target phy. The caller will get the entire set of bits for the protocol

 * value.

 */

void scic_sds_phy_get_attached_phy_protocols(

	struct scic_sds_phy *sci_phy,

	struct sci_sas_identify_address_frame_protocols *protocols)
@@ -499,8 +455,10 @@ void scic_sds_phy_get_attached_phy_protocols( 
	protocols->u.all = 0;



	if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {

		protocols->u.all =

			sci_phy->phy_type.sas.identify_address_frame_buffer.protocols.u.all;

		struct sas_identify_frame *iaf;



		iaf = &sci_phy->phy_type.sas.identify_address_frame_buffer;

		memcpy(&protocols->u.all, &iaf->initiator_bits, 2);

	} else if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) {

		protocols->u.bits.stp_target = 1;

	}
@@ -599,11 +557,9 @@ enum sci_status scic_sas_phy_get_properties( 
	struct scic_sas_phy_properties *properties)

{

	if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) {

		memcpy(

			&properties->received_iaf,

		memcpy(&properties->rcvd_iaf,

		       &sci_phy->phy_type.sas.identify_address_frame_buffer,

			sizeof(struct sci_sas_identify_address_frame)

			);

		       sizeof(struct sas_identify_frame));



		properties->received_capabilities.u.all =

			readl(&sci_phy->link_layer_registers->receive_phycap);
@@ -1203,7 +1159,7 @@ static enum sci_status scic_sds_phy_starting_substate_await_iaf_uf_frame_handler 
{

	enum sci_status result;

	u32 *frame_words;

	struct sci_sas_identify_address_frame *identify_frame;

	struct sas_identify_frame *identify_frame;



	result = scic_sds_unsolicited_frame_control_get_header(

		&(scic_sds_phy_get_controller(sci_phy)->uf_control),
@@ -1215,9 +1171,9 @@ static enum sci_status scic_sds_phy_starting_substate_await_iaf_uf_frame_handler 
	}



	frame_words[0] = SCIC_SWAP_DWORD(frame_words[0]);

	identify_frame = (struct sci_sas_identify_address_frame *)frame_words;

	identify_frame = (struct sas_identify_frame *)frame_words;



	if (identify_frame->address_frame_type == 0) {

	if (identify_frame->frame_type == 0) {

		u32 state;



		/* Byte swap the rest of the frame so we can make
@@ -1231,9 +1187,9 @@ static enum sci_status scic_sds_phy_starting_substate_await_iaf_uf_frame_handler 


		memcpy(&sci_phy->phy_type.sas.identify_address_frame_buffer,

			identify_frame,

			sizeof(struct sci_sas_identify_address_frame));

			sizeof(struct sas_identify_frame));



		if (identify_frame->protocols.u.bits.smp_target) {

		if (identify_frame->smp_tport) {

			/* We got the IAF for an expander PHY go to the final state since

			 * there are no power requirements for expander phys.

			 */

drivers/scsi/isci/core/scic_sds_phy.h

+1 −1
Original line number Diff line number Diff line
@@ -274,7 +274,7 @@ struct scic_sds_phy { 


	union {

		struct {

			struct sci_sas_identify_address_frame identify_address_frame_buffer;

			struct sas_identify_frame identify_address_frame_buffer;



		} sas;

drivers/scsi/isci/phy.h

+1 −1
Original line number Diff line number Diff line
@@ -80,7 +80,7 @@ struct isci_phy { 
	u8 sas_addr[SAS_ADDR_SIZE];



	union {

		u8 aif[sizeof(struct sci_sas_identify_address_frame)];

		struct sas_identify_frame iaf;

		struct dev_to_host_fis fis;

	} frame_rcvd;

};