Commit 99b0bec7 authored by Andrew Vasquez's avatar Andrew Vasquez Committed by James Bottomley
Browse files

[SCSI] qla2xxx: Further generalization of SRB CTX infrastructure. 



Prepare CTX infrastructure for additional asynchronous
executions, add generic done() operator, pull CMD definitions.

Signed-off-by: default avatarAndrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: default avatarGiridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 6a03b4cd

drivers/scsi/qla2xxx/qla_def.h

+11 −6
Original line number Diff line number Diff line
@@ -214,14 +214,21 @@ typedef struct srb { 
/*

 * SRB extensions.

 */

struct srb_ctx {

#define SRB_LOGIN_CMD	1

#define SRB_LOGOUT_CMD	2

#define SRB_ELS_CMD_RPT 3

#define SRB_ELS_CMD_HST 4

#define SRB_CT_CMD 5



struct srb_ctx {

	uint16_t type;

	char *name;



	struct timer_list timer;



	void (*free)(srb_t *sp);

	void (*timeout)(srb_t *sp);

	void (*done)(srb_t *);

	void (*free)(srb_t *);

	void (*timeout)(srb_t *);

};



struct srb_logio {
@@ -231,12 +238,10 @@ struct srb_logio { 
#define SRB_LOGIN_COND_PLOGI	BIT_1

#define SRB_LOGIN_SKIP_PRLI	BIT_2

	uint16_t flags;

	uint16_t data[2];

};



struct srb_bsg_ctx {

#define SRB_ELS_CMD_RPT 3

#define SRB_ELS_CMD_HST 4

#define SRB_CT_CMD 5

	uint16_t type;

};

drivers/scsi/qla2xxx/qla_init.c

+33 −10
Original line number Diff line number Diff line
@@ -117,13 +117,22 @@ qla2x00_async_logio_timeout(srb_t *sp) 


	DEBUG2(printk(KERN_WARNING

	    "scsi(%ld:%x): Async-%s timeout.\n",

	    fcport->vha->host_no, sp->handle,

	    lio->ctx.type == SRB_LOGIN_CMD ? "login": "logout"));

	    fcport->vha->host_no, sp->handle, lio->ctx.name));



	if (lio->ctx.type == SRB_LOGIN_CMD)

		qla2x00_post_async_logout_work(fcport->vha, fcport, NULL);

}



static void

qla2x00_async_login_ctx_done(srb_t *sp)

{

	struct srb_logio *lio = sp->ctx;



	qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport,

	    lio->data);

	lio->ctx.free(sp);

}



int

qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport,

    uint16_t *data)
@@ -141,7 +150,9 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, 


	lio = sp->ctx;

	lio->ctx.type = SRB_LOGIN_CMD;

	lio->ctx.name = "login";

	lio->ctx.timeout = qla2x00_async_logio_timeout;

	lio->ctx.done = qla2x00_async_login_ctx_done;

	lio->flags |= SRB_LOGIN_COND_PLOGI;

	if (data[1] & QLA_LOGIO_LOGIN_RETRIED)

		lio->flags |= SRB_LOGIN_RETRIED;
@@ -163,6 +174,16 @@ done: 
	return rval;

}



static void

qla2x00_async_logout_ctx_done(srb_t *sp)

{

	struct srb_logio *lio = sp->ctx;



	qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport,

	    lio->data);

	lio->ctx.free(sp);

}



int

qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)

{
@@ -179,7 +200,9 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) 


	lio = sp->ctx;

	lio->ctx.type = SRB_LOGOUT_CMD;

	lio->ctx.name = "logout";

	lio->ctx.timeout = qla2x00_async_logio_timeout;

	lio->ctx.done = qla2x00_async_logout_ctx_done;

	rval = qla2x00_start_sp(sp);

	if (rval != QLA_SUCCESS)

		goto done_free_sp;
@@ -202,16 +225,16 @@ qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport, 
    uint16_t *data)

{

	int rval;

	uint8_t opts = 0;



	switch (data[0]) {

	case MBS_COMMAND_COMPLETE:

		if (fcport->flags & FCF_FCP2_DEVICE)

			opts |= BIT_1;

		rval = qla2x00_get_port_database(vha, fcport, opts);

		if (rval != QLA_SUCCESS)

		if (fcport->flags & FCF_FCP2_DEVICE) {

			rval = qla2x00_get_port_database(vha, fcport, BIT_1);

			if (rval != QLA_SUCCESS) {

				qla2x00_mark_device_lost(vha, fcport, 1, 0);

		else

				break;

			}

		}

		qla2x00_update_fcport(vha, fcport);

		break;

	case MBS_COMMAND_ERROR:

drivers/scsi/qla2xxx/qla_isr.c

+21 −53
Original line number Diff line number Diff line
@@ -895,34 +895,20 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 
{

	const char func[] = "MBX-IOCB";

	const char *type;

	struct qla_hw_data *ha = vha->hw;

	fc_port_t *fcport;

	srb_t *sp;

	struct srb_logio *lio;

	uint16_t data[2];

	uint16_t *data;



	sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);

	if (!sp)

		return;



	type = NULL;

	lio = sp->ctx;

	switch (lio->ctx.type) {

	case SRB_LOGIN_CMD:

		type = "login";

		break;

	case SRB_LOGOUT_CMD:

		type = "logout";

		break;

	default:

		qla_printk(KERN_WARNING, ha,

		    "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,

		    lio->ctx.type);

		return;

	}



	del_timer(&lio->ctx.timer);

	type = lio->ctx.name;

	fcport = sp->fcport;

	data = lio->data;



	data[0] = data[1] = 0;

	if (mbx->entry_status) {
@@ -938,7 +924,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 
		data[0] = MBS_COMMAND_ERROR;

		data[1] = lio->flags & SRB_LOGIN_RETRIED ?

		    QLA_LOGIO_LOGIN_RETRIED: 0;

		goto done_post_logio_done_work;

		goto logio_done;

	}



	if (!mbx->status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
@@ -948,10 +934,14 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 
		    le16_to_cpu(mbx->mb1)));



		data[0] = MBS_COMMAND_COMPLETE;

		if (lio->ctx.type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb1) & BIT_1)

		if (lio->ctx.type == SRB_LOGIN_CMD)

			fcport->port_type = FCT_TARGET;

			if (le16_to_cpu(mbx->mb1) & BIT_0)

				fcport->port_type = FCT_INITIATOR;

			if (le16_to_cpu(mbx->mb1) & BIT_1)

				fcport->flags |= FCF_FCP2_DEVICE;



		goto done_post_logio_done_work;

		goto logio_done;

	}



	data[0] = le16_to_cpu(mbx->mb0);
@@ -976,12 +966,8 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, 
	    le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),

	    le16_to_cpu(mbx->mb7)));



done_post_logio_done_work:

	lio->ctx.type == SRB_LOGIN_CMD ?

	    qla2x00_post_async_login_done_work(fcport->vha, fcport, data):

	    qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);



	lio->ctx.free(sp);

logio_done:

	lio->ctx.done(sp);

}



static void
@@ -1084,35 +1070,21 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 
{

	const char func[] = "LOGIO-IOCB";

	const char *type;

	struct qla_hw_data *ha = vha->hw;

	fc_port_t *fcport;

	srb_t *sp;

	struct srb_logio *lio;

	uint16_t data[2];

	uint16_t *data;

	uint32_t iop[2];



	sp = qla2x00_get_sp_from_handle(vha, func, req, logio);

	if (!sp)

		return;



	type = NULL;

	lio = sp->ctx;

	switch (lio->ctx.type) {

	case SRB_LOGIN_CMD:

		type = "login";

		break;

	case SRB_LOGOUT_CMD:

		type = "logout";

		break;

	default:

		qla_printk(KERN_WARNING, ha,

		    "%s: Unrecognized SRB: (%p) type=%d.\n", func, sp,

		    lio->ctx.type);

		return;

	}



	del_timer(&lio->ctx.timer);

	type = lio->ctx.name;

	fcport = sp->fcport;

	data = lio->data;



	data[0] = data[1] = 0;

	if (logio->entry_status) {
@@ -1125,7 +1097,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 
		data[0] = MBS_COMMAND_ERROR;

		data[1] = lio->flags & SRB_LOGIN_RETRIED ?

		    QLA_LOGIO_LOGIN_RETRIED: 0;

		goto done_post_logio_done_work;

		goto logio_done;

	}



	if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
@@ -1136,7 +1108,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 


		data[0] = MBS_COMMAND_COMPLETE;

		if (lio->ctx.type == SRB_LOGOUT_CMD)

			goto done_post_logio_done_work;

			goto logio_done;



		iop[0] = le32_to_cpu(logio->io_parameter[0]);

		if (iop[0] & BIT_4) {
@@ -1151,7 +1123,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 
		if (logio->io_parameter[9] || logio->io_parameter[10])

			fcport->supported_classes |= FC_COS_CLASS3;



		goto done_post_logio_done_work;

		goto logio_done;

	}



	iop[0] = le32_to_cpu(logio->io_parameter[0]);
@@ -1184,12 +1156,8 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, 
	    le32_to_cpu(logio->io_parameter[0]),

	    le32_to_cpu(logio->io_parameter[1])));



done_post_logio_done_work:

	lio->ctx.type == SRB_LOGIN_CMD ?

	    qla2x00_post_async_login_done_work(fcport->vha, fcport, data):

	    qla2x00_post_async_logout_done_work(fcport->vha, fcport, data);



	lio->ctx.free(sp);

logio_done:

	lio->ctx.done(sp);

}



/**

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