Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit e35fa8c2 authored by Andy Grover's avatar Andy Grover Committed by Nicholas Bellinger
Browse files

scsi: Use struct scsi_lun in fc/fcp.h



This allows us to use scsilun_to_int without an ugly cast.

Fix up places that use scsilun_to_int on fcp->fc_lun accordingly.

In fc target, this leaves ft_cmd.lun unused, so remove it.

Signed-off-by: default avatarAndy Grover <agrover@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Kiran Patil <kiran.patil@intel.com>
Cc: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 8e94b8db
Loading
Loading
Loading
Loading
+1 −3
Original line number Diff line number Diff line
@@ -1682,9 +1682,7 @@ void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,

	memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd));

	int_to_scsilun(sc_cmd->device->lun,
			(struct scsi_lun *) fcp_cmnd->fc_lun);

	int_to_scsilun(sc_cmd->device->lun, &fcp_cmnd->fc_lun);

	fcp_cmnd->fc_dl = htonl(io_req->data_xfer_len);
	memcpy(fcp_cmnd->fc_cdb, sc_cmd->cmnd, sc_cmd->cmd_len);
+2 −3
Original line number Diff line number Diff line
@@ -1074,8 +1074,7 @@ static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp)
	fsp->cdb_cmd.fc_dl = htonl(fsp->data_len);
	fsp->cdb_cmd.fc_flags = fsp->req_flags & ~FCP_CFL_LEN_MASK;

	int_to_scsilun(fsp->cmd->device->lun,
		       (struct scsi_lun *)fsp->cdb_cmd.fc_lun);
	int_to_scsilun(fsp->cmd->device->lun, &fsp->cdb_cmd.fc_lun);
	memcpy(fsp->cdb_cmd.fc_cdb, fsp->cmd->cmnd, fsp->cmd->cmd_len);

	spin_lock_irqsave(&si->scsi_queue_lock, flags);
@@ -1257,7 +1256,7 @@ static int fc_lun_reset(struct fc_lport *lport, struct fc_fcp_pkt *fsp,

	fsp->cdb_cmd.fc_dl = htonl(fsp->data_len);
	fsp->cdb_cmd.fc_tm_flags = FCP_TMF_LUN_RESET;
	int_to_scsilun(lun, (struct scsi_lun *)fsp->cdb_cmd.fc_lun);
	int_to_scsilun(lun, &fsp->cdb_cmd.fc_lun);

	fsp->wait_for_comp = 1;
	init_completion(&fsp->tm_done);
+0 −1
Original line number Diff line number Diff line
@@ -113,7 +113,6 @@ struct ft_lport_acl {
 * Commands
 */
struct ft_cmd {
	u32 lun;                        /* LUN from request */
	struct ft_sess *sess;		/* session held for cmd */
	struct fc_seq *seq;		/* sequence in exchange mgr */
	struct se_cmd se_cmd;		/* Local TCM I/O descriptor */
+4 −7
Original line number Diff line number Diff line
@@ -61,7 +61,6 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller)
		caller, cmd, cmd->sess, cmd->seq, se_cmd);
	pr_debug("%s: cmd %p cdb %p\n",
		caller, cmd, cmd->cdb);
	pr_debug("%s: cmd %p lun %d\n", caller, cmd, cmd->lun);

	pr_debug("%s: cmd %p data_nents %u len %u se_cmd_flags <0x%x>\n",
		caller, cmd, se_cmd->t_data_nents,
@@ -407,8 +406,7 @@ static void ft_send_tm(struct ft_cmd *cmd)

	switch (fcp->fc_tm_flags) {
	case FCP_TMF_LUN_RESET:
		cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
		if (transport_lookup_tmr_lun(&cmd->se_cmd, cmd->lun) < 0) {
		if (transport_lookup_tmr_lun(&cmd->se_cmd, scsilun_to_int(&fcp->fc_lun)) < 0) {
			/*
			 * Make sure to clean up newly allocated TMR request
			 * since "unable to  handle TMR request because failed
@@ -416,7 +414,7 @@ static void ft_send_tm(struct ft_cmd *cmd)
			 */
			pr_debug("Failed to get LUN for TMR func %d, "
				  "se_cmd %p, unpacked_lun %d\n",
				  tm_func, &cmd->se_cmd, cmd->lun);
				  tm_func, &cmd->se_cmd, scsilun_to_int(&fcp->fc_lun));
			ft_dump_cmd(cmd, __func__);
			sess = cmd->sess;
			transport_send_check_condition_and_sense(&cmd->se_cmd,
@@ -597,14 +595,13 @@ static void ft_send_work(struct work_struct *work)
		return;
	}
	fc_seq_exch(cmd->seq)->lp->tt.seq_set_resp(cmd->seq, ft_recv_seq, cmd);
	cmd->lun = scsilun_to_int((struct scsi_lun *)fcp->fc_lun);
	/*
	 * Use a single se_cmd->cmd_kref as we expect to release se_cmd
	 * directly from ft_check_stop_free callback in response path.
	 */
	target_submit_cmd(&cmd->se_cmd, cmd->sess->se_sess, cmd->cdb,
				&cmd->ft_sense_buffer[0], cmd->lun, data_len,
				task_attr, data_dir, 0);
			&cmd->ft_sense_buffer[0], scsilun_to_int(&fcp->fc_lun),
			data_len, task_attr, data_dir, 0);
	pr_debug("r_ctl %x alloc target_submit_cmd\n", fh->fh_r_ctl);
	return;

+4 −2
Original line number Diff line number Diff line
@@ -20,6 +20,8 @@
#ifndef _FC_FCP_H_
#define	_FC_FCP_H_

#include <scsi/scsi.h>

/*
 * Fibre Channel Protocol for SCSI.
 * From T10 FCP-3, T10 project 1560-D Rev 4, Sept. 13, 2005.
@@ -45,7 +47,7 @@
 * FCP_CMND IU Payload.
 */
struct fcp_cmnd {
	__u8		fc_lun[8];	/* logical unit number */
	struct scsi_lun	fc_lun;		/* logical unit number */
	__u8		fc_cmdref;	/* command reference number */
	__u8		fc_pri_ta;	/* priority and task attribute */
	__u8		fc_tm_flags;	/* task management flags */
@@ -57,7 +59,7 @@ struct fcp_cmnd {
#define	FCP_CMND_LEN	32	/* expected length of structure */

struct fcp_cmnd32 {
	__u8		fc_lun[8];	/* logical unit number */
	struct scsi_lun	fc_lun;		/* logical unit number */
	__u8		fc_cmdref;	/* command reference number */
	__u8		fc_pri_ta;	/* priority and task attribute */
	__u8		fc_tm_flags;	/* task management flags */