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Commit dafab8e0 authored by Jayamohan Kallickal's avatar Jayamohan Kallickal Committed by James Bottomley
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[SCSI] be2iscsi: cleans up abort handling 



This patch cleans up abort handling when TMF is sent

Signed-off-by: default avatarJayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 944b2fbc

drivers/scsi/be2iscsi/be_main.c

+11 −51
Original line number Diff line number Diff line
@@ -1063,14 +1063,18 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn, 
	case HWH_TYPE_IO:

	case HWH_TYPE_IO_RD:

		if ((task->hdr->opcode & ISCSI_OPCODE_MASK) ==

		    ISCSI_OP_NOOP_OUT) {

		     ISCSI_OP_NOOP_OUT)

			be_complete_nopin_resp(beiscsi_conn, task, psol);

		} else

		else

			be_complete_io(beiscsi_conn, task, psol);

		break;



	case HWH_TYPE_LOGOUT:

		if ((task->hdr->opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGOUT)

			be_complete_logout(beiscsi_conn, task, psol);

		else

			be_complete_tmf(beiscsi_conn, task, psol);



		break;



	case HWH_TYPE_LOGIN:
@@ -1079,10 +1083,6 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn, 
			 "- Solicited path \n");

		break;



	case HWH_TYPE_TMF:

		be_complete_tmf(beiscsi_conn, task, psol);

		break;



	case HWH_TYPE_NOP:

		be_complete_nopin_resp(beiscsi_conn, task, psol);

		break;
@@ -3593,19 +3593,13 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg, 


static int beiscsi_mtask(struct iscsi_task *task)

{

	struct beiscsi_io_task *aborted_io_task, *io_task = task->dd_data;

	struct beiscsi_io_task *io_task = task->dd_data;

	struct iscsi_conn *conn = task->conn;

	struct beiscsi_conn *beiscsi_conn = conn->dd_data;

	struct beiscsi_hba *phba = beiscsi_conn->phba;

	struct iscsi_session *session;

	struct iscsi_wrb *pwrb = NULL;

	struct hwi_controller *phwi_ctrlr;

	struct hwi_wrb_context *pwrb_context;

	struct wrb_handle *pwrb_handle;

	unsigned int doorbell = 0;

	struct invalidate_command_table *inv_tbl;

	struct iscsi_task *aborted_task;

	unsigned int i, cid, tag, num_invalidate;

	unsigned int cid;



	cid = beiscsi_conn->beiscsi_conn_cid;

	pwrb = io_task->pwrb_handle->pwrb;
@@ -3616,6 +3610,7 @@ static int beiscsi_mtask(struct iscsi_task *task) 
		      io_task->pwrb_handle->wrb_index);

	AMAP_SET_BITS(struct amap_iscsi_wrb, sgl_icd_idx, pwrb,

		      io_task->psgl_handle->sgl_index);



	switch (task->hdr->opcode & ISCSI_OPCODE_MASK) {

	case ISCSI_OP_LOGIN:

		AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
@@ -3640,36 +3635,6 @@ static int beiscsi_mtask(struct iscsi_task *task) 
		hwi_write_buffer(pwrb, task);

		break;

	case ISCSI_OP_SCSI_TMFUNC:

		session = conn->session;

		i = ((struct iscsi_tm *)task->hdr)->rtt;

		phwi_ctrlr = phba->phwi_ctrlr;

		pwrb_context = &phwi_ctrlr->wrb_context[cid -

					    phba->fw_config.iscsi_cid_start];

		pwrb_handle = pwrb_context->pwrb_handle_basestd[be32_to_cpu(i)

								>> 16];

		aborted_task = pwrb_handle->pio_handle;

		 if (!aborted_task)

			return 0;



		aborted_io_task = aborted_task->dd_data;

		if (!aborted_io_task->scsi_cmnd)

			return 0;



		inv_tbl = phba->inv_tbl;

		memset(inv_tbl, 0x0, sizeof(*inv_tbl));

		inv_tbl->cid = cid;

		inv_tbl->icd = aborted_io_task->psgl_handle->sgl_index;

		num_invalidate = 1;

		tag = mgmt_invalidate_icds(phba, inv_tbl, num_invalidate, cid);

		if (!tag) {

			shost_printk(KERN_WARNING, phba->shost,

				     "mgmt_invalidate_icds could not be"

				     " submitted\n");

		} else {

			wait_event_interruptible(phba->ctrl.mcc_wait[tag],

						 phba->ctrl.mcc_numtag[tag]);

			free_mcc_tag(&phba->ctrl, tag);

		}

		AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,

			      INI_TMF_CMD);

		AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
@@ -3704,17 +3669,12 @@ static int beiscsi_mtask(struct iscsi_task *task) 


static int beiscsi_task_xmit(struct iscsi_task *task)

{

	struct iscsi_conn *conn = task->conn;

	struct beiscsi_io_task *io_task = task->dd_data;

	struct scsi_cmnd *sc = task->sc;

	struct beiscsi_conn *beiscsi_conn = conn->dd_data;

	struct scatterlist *sg;

	int num_sg;

	unsigned int  writedir = 0, xferlen = 0;



	SE_DEBUG(DBG_LVL_4, "\n cid=%d In beiscsi_task_xmit task=%p conn=%p \t"

		 "beiscsi_conn=%p \n", beiscsi_conn->beiscsi_conn_cid,

		 task, conn, beiscsi_conn);

	if (!sc)

		return beiscsi_mtask(task);