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[SCSI] bfa: Add support to configure trunking on Brocade adapter ports. 

- Added logic to enable / disable trunking on Brocade adapter ports.
- Added logic to query trunking info.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Krishna Gudipati 2011-07-20 17:02:50 -07:00 committed by James Bottomley
parent a46bd300e1
commit 45191236b1
2 changed files with 64 additions and 0 deletions
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54
drivers/scsi/bfa/bfad_bsg.c
View File

@ -2181,6 +2181,53 @@ bfad_iocmd_ethboot_query(struct bfad_s *bfad, void *cmd)
return 0;
}
int
bfad_iocmd_cfg_trunk(struct bfad_s *bfad, void *cmd, unsigned int v_cmd)
{
struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd;
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
if (v_cmd == IOCMD_TRUNK_ENABLE) {
trunk->attr.state = BFA_TRUNK_OFFLINE;
bfa_fcport_disable(&bfad->bfa);
fcport->cfg.trunked = BFA_TRUE;
} else if (v_cmd == IOCMD_TRUNK_DISABLE) {
trunk->attr.state = BFA_TRUNK_DISABLED;
bfa_fcport_disable(&bfad->bfa);
fcport->cfg.trunked = BFA_FALSE;
}
if (!bfa_fcport_is_disabled(&bfad->bfa))
bfa_fcport_enable(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
iocmd->status = BFA_STATUS_OK;
return 0;
}
int
bfad_iocmd_trunk_get_attr(struct bfad_s *bfad, void *cmd)
{
struct bfa_bsg_trunk_attr_s *iocmd = (struct bfa_bsg_trunk_attr_s *)cmd;
struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(&bfad->bfa);
struct bfa_fcport_trunk_s *trunk = &fcport->trunk;
unsigned long flags;
spin_lock_irqsave(&bfad->bfad_lock, flags);
memcpy((void *)&iocmd->attr, (void *)&trunk->attr,
sizeof(struct bfa_trunk_attr_s));
iocmd->attr.port_id = bfa_lps_get_base_pid(&bfad->bfa);
spin_unlock_irqrestore(&bfad->bfad_lock, flags);
iocmd->status = BFA_STATUS_OK;
return 0;
}
static int
bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
unsigned int payload_len)
@ -2470,6 +2517,13 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd,
case IOCMD_ETHBOOT_QUERY:
rc = bfad_iocmd_ethboot_query(bfad, iocmd);
break;
case IOCMD_TRUNK_ENABLE:
case IOCMD_TRUNK_DISABLE:
rc = bfad_iocmd_cfg_trunk(bfad, iocmd, cmd);
break;
case IOCMD_TRUNK_GET_ATTR:
rc = bfad_iocmd_trunk_get_attr(bfad, iocmd);
break;
default:
rc = -EINVAL;
break;

10
drivers/scsi/bfa/bfad_bsg.h
View File

@ -126,6 +126,9 @@ enum {
IOCMD_PREBOOT_QUERY,
IOCMD_ETHBOOT_CFG,
IOCMD_ETHBOOT_QUERY,
IOCMD_TRUNK_ENABLE,
IOCMD_TRUNK_DISABLE,
IOCMD_TRUNK_GET_ATTR,
};
struct bfa_bsg_gen_s {
@ -656,6 +659,13 @@ struct bfa_bsg_ethboot_s {
struct bfa_ethboot_cfg_s cfg;
};
struct bfa_bsg_trunk_attr_s {
bfa_status_t status;
u16 bfad_num;
u16 rsvd;
struct bfa_trunk_attr_s attr;
};
struct bfa_bsg_fcpt_s {
bfa_status_t status;
u16 vf_id;