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[SCSI] bfa: Fix to allow creation of only 190 vports on CNA.

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Brocade CNA currently supports only 190 vports (instead of 191),
since there are only 192 unicast cam entries reserved for FCoE.

Brocade CNA has a total of 256 unicast cam entries (192 FCoE + 64 LL)

192 cam entries = 1 burned in mac + 1 baseport FPMA mac + 190 vport
FPMA macs.

Made changes to the code to support only 190 vports.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Krishna Gudipati 2010-03-03 17:43:45 -08:00 committed by James Bottomley
parent 82794a2e41
commit a046bf0559
6 changed files with 24 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/scsi/bfa/bfa_lps.c
View File

@ -18,6 +18,7 @@
#include <bfa.h>
#include <bfi/bfi_lps.h>
#include <cs/bfa_debug.h>
#include <defs/bfa_defs_pci.h>
BFA_TRC_FILE(HAL, LPS);
BFA_MODULE(lps);
@ -25,6 +26,12 @@ BFA_MODULE(lps);
#define BFA_LPS_MIN_LPORTS (1)
#define BFA_LPS_MAX_LPORTS (256)
/*
* Maximum Vports supported per physical port or vf.
*/
#define BFA_LPS_MAX_VPORTS_SUPP_CB 255
#define BFA_LPS_MAX_VPORTS_SUPP_CT 190
/**
* forward declarations
*/
@ -598,6 +605,19 @@ bfa_lps_cvl_event(struct bfa_lps_s *lps)
bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
}
u32
bfa_lps_get_max_vport(struct bfa_s *bfa)
{
struct bfa_ioc_attr_s ioc_attr;
bfa_get_attr(bfa, &ioc_attr);
if (ioc_attr.pci_attr.device_id == BFA_PCI_DEVICE_ID_CT)
return (BFA_LPS_MAX_VPORTS_SUPP_CT);
else
return (BFA_LPS_MAX_VPORTS_SUPP_CB);
}
/**
* lps_public BFA LPS public functions
*/

1
drivers/scsi/bfa/fcs_vport.h
View File

@ -26,7 +26,6 @@ void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);
void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);
u32 bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs);
#endif /* __FCS_VPORT_H__ */

1
drivers/scsi/bfa/include/bfa_svc.h
View File

@ -293,6 +293,7 @@ void bfa_uf_free(struct bfa_uf_s *uf);
* bfa lport service api
*/
u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
void bfa_lps_delete(struct bfa_lps_s *lps);
void bfa_lps_discard(struct bfa_lps_s *lps);

8
drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h
View File

@ -34,14 +34,6 @@ struct bfa_fcs_s;
struct bfa_fcs_fabric_s;
/*
* @todo : need to move to a global config file.
* Maximum Vports supported per physical port or vf.
*/
#define BFA_FCS_MAX_VPORTS_SUPP_CB 255
#define BFA_FCS_MAX_VPORTS_SUPP_CT 191
/*
* @todo : need to move to a global config file.
* Maximum Rports supported per port (physical/logical).
*/
#define BFA_FCS_MAX_RPORTS_SUPP 256 /* @todo : tentative value */

3
drivers/scsi/bfa/lport_api.c
View File

@ -235,7 +235,8 @@ bfa_fcs_port_get_info(struct bfa_fcs_port_s *port,
port_info->port_wwn = bfa_fcs_port_get_pwwn(port);
port_info->node_wwn = bfa_fcs_port_get_nwwn(port);
port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs);
port_info->max_vports_supp =
bfa_lps_get_max_vport(port->fcs->bfa);
port_info->num_vports_inuse =
bfa_fcs_fabric_vport_count(port->fabric);
port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;

17
drivers/scsi/bfa/vport.c
View File

@ -616,21 +616,6 @@ bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_DELCOMP);
}
u32
bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs)
{
struct bfa_ioc_attr_s ioc_attr;
bfa_get_attr(fcs->bfa, &ioc_attr);
if (ioc_attr.pci_attr.device_id == BFA_PCI_DEVICE_ID_CT)
return BFA_FCS_MAX_VPORTS_SUPP_CT;
else
return BFA_FCS_MAX_VPORTS_SUPP_CB;
}
/**
* fcs_vport_api Virtual port API
*/
@ -667,7 +652,7 @@ bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
return BFA_STATUS_VPORT_EXISTS;
if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
bfa_fcs_vport_get_max(fcs))
bfa_lps_get_max_vport(fcs->bfa))
return BFA_STATUS_VPORT_MAX;
vport->lps = bfa_lps_alloc(fcs->bfa);