[SCSI] bfa: AEN and byte alignment fixes.
Replace enum types with int and rearrange the fields to fix some
alignment issue.
Local var ioc_attr is causing the stack to overflow, so removed the
usage of the local ioc_attr var and now invoking an API to return the
ioc_type.
Fix some AEN issues.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/bfa/bfa_fcport.c b/drivers/scsi/bfa/bfa_fcport.c
index 4ed048b..bdea7f0 100644
--- a/drivers/scsi/bfa/bfa_fcport.c
+++ b/drivers/scsi/bfa/bfa_fcport.c
@@ -142,6 +142,7 @@
char pwwn_ptr[BFA_STRING_32];
struct bfa_ioc_attr_s ioc_attr;
+ memset(&aen_data, 0, sizeof(aen_data));
wwn2str(pwwn_ptr, pwwn);
switch (event) {
case BFA_PORT_AEN_ONLINE:
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 0019ff7..2f09d17 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -1731,6 +1731,21 @@
ad_attr->cna_capable = ioc->cna;
}
+enum bfa_ioc_type_e
+bfa_ioc_get_type(struct bfa_ioc_s *ioc)
+{
+ if (!ioc->ctdev || ioc->fcmode)
+ return BFA_IOC_TYPE_FC;
+ else if (ioc->ioc_mc == BFI_MC_IOCFC)
+ return BFA_IOC_TYPE_FCoE;
+ else if (ioc->ioc_mc == BFI_MC_LL)
+ return BFA_IOC_TYPE_LL;
+ else {
+ bfa_assert(ioc->ioc_mc == BFI_MC_LL);
+ return BFA_IOC_TYPE_LL;
+ }
+}
+
void
bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr)
{
@@ -1739,12 +1754,7 @@
ioc_attr->state = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
ioc_attr->port_id = ioc->port_id;
- if (!ioc->ctdev || ioc->fcmode)
- ioc_attr->ioc_type = BFA_IOC_TYPE_FC;
- else if (ioc->ioc_mc == BFI_MC_IOCFC)
- ioc_attr->ioc_type = BFA_IOC_TYPE_FCoE;
- else if (ioc->ioc_mc == BFI_MC_LL)
- ioc_attr->ioc_type = BFA_IOC_TYPE_LL;
+ ioc_attr->ioc_type = bfa_ioc_get_type(ioc);
bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
@@ -1860,7 +1870,7 @@
union bfa_aen_data_u aen_data;
struct bfa_log_mod_s *logmod = ioc->logm;
s32 inst_num = 0;
- struct bfa_ioc_attr_s ioc_attr;
+ enum bfa_ioc_type_e ioc_type;
switch (event) {
case BFA_IOC_AEN_HBGOOD:
@@ -1884,8 +1894,8 @@
memset(&aen_data.ioc.pwwn, 0, sizeof(aen_data.ioc.pwwn));
memset(&aen_data.ioc.mac, 0, sizeof(aen_data.ioc.mac));
- bfa_ioc_get_attr(ioc, &ioc_attr);
- switch (ioc_attr.ioc_type) {
+ ioc_type = bfa_ioc_get_type(ioc);
+ switch (ioc_type) {
case BFA_IOC_TYPE_FC:
aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc);
break;
@@ -1897,10 +1907,10 @@
aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
break;
default:
- bfa_assert(ioc_attr.ioc_type == BFA_IOC_TYPE_FC);
+ bfa_assert(ioc_type == BFA_IOC_TYPE_FC);
break;
}
- aen_data.ioc.ioc_type = ioc_attr.ioc_type;
+ aen_data.ioc.ioc_type = ioc_type;
}
/**
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index 4ccaeae..79956c1 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -677,7 +677,6 @@
bfa_status_t rc;
unsigned long flags;
struct bfa_fcs_driver_info_s driver_info;
- int i;
bfad->cfg_data.rport_del_timeout = rport_del_timeout;
bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
@@ -697,12 +696,7 @@
bfa_init_log(&bfad->bfa, bfad->logmod);
bfa_init_trc(&bfad->bfa, bfad->trcmod);
bfa_init_aen(&bfad->bfa, bfad->aen);
- INIT_LIST_HEAD(&bfad->file_q);
- INIT_LIST_HEAD(&bfad->file_free_q);
- for (i = 0; i < BFAD_AEN_MAX_APPS; i++) {
- bfa_q_qe_init(&bfad->file_buf[i].qe);
- list_add_tail(&bfad->file_buf[i].qe, &bfad->file_free_q);
- }
+ memset(bfad->file_map, 0, sizeof(bfad->file_map));
bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
bfa_plog_init(&bfad->plog_buf);
bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
@@ -799,7 +793,6 @@
bfa_isr_disable(&bfad->bfa);
bfa_detach(&bfad->bfa);
bfad_remove_intr(bfad);
- bfa_assert(list_empty(&bfad->file_q));
bfad_hal_mem_release(bfad);
bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index 9fa801a..94f4d84 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -139,14 +139,6 @@
u32 binding_method;
};
-#define BFAD_AEN_MAX_APPS 8
-struct bfad_aen_file_s {
- struct list_head qe;
- struct bfad_s *bfad;
- s32 ri;
- s32 app_id;
-};
-
/*
* BFAD (PCI function) data structure
*/
@@ -186,9 +178,7 @@
struct bfa_log_mod_s *logmod;
struct bfa_aen_s *aen;
struct bfa_aen_s aen_buf;
- struct bfad_aen_file_s file_buf[BFAD_AEN_MAX_APPS];
- struct list_head file_q;
- struct list_head file_free_q;
+ void *file_map[BFA_AEN_MAX_APP];
struct bfa_plog_s plog_buf;
int ref_count;
bfa_boolean_t ipfc_enabled;
diff --git a/drivers/scsi/bfa/include/aen/bfa_aen.h b/drivers/scsi/bfa/include/aen/bfa_aen.h
index d9cbc2a..6abbab0 100644
--- a/drivers/scsi/bfa/include/aen/bfa_aen.h
+++ b/drivers/scsi/bfa/include/aen/bfa_aen.h
@@ -18,21 +18,24 @@
#define __BFA_AEN_H__
#include "defs/bfa_defs_aen.h"
+#include "defs/bfa_defs_status.h"
+#include "cs/bfa_debug.h"
-#define BFA_AEN_MAX_ENTRY 512
+#define BFA_AEN_MAX_ENTRY 512
-extern s32 bfa_aen_max_cfg_entry;
+extern int bfa_aen_max_cfg_entry;
struct bfa_aen_s {
void *bfad;
- s32 max_entry;
- s32 write_index;
- s32 read_index;
- u32 bfad_num;
- u32 seq_num;
+ int max_entry;
+ int write_index;
+ int read_index;
+ int bfad_num;
+ int seq_num;
void (*aen_cb_notify)(void *bfad);
void (*gettimeofday)(struct bfa_timeval_s *tv);
- struct bfa_trc_mod_s *trcmod;
- struct bfa_aen_entry_s list[BFA_AEN_MAX_ENTRY]; /* Must be the last */
+ struct bfa_trc_mod_s *trcmod;
+ int app_ri[BFA_AEN_MAX_APP]; /* For multiclient support */
+ struct bfa_aen_entry_s list[BFA_AEN_MAX_ENTRY]; /* Must be the last */
};
@@ -45,48 +48,49 @@
bfa_aen_max_cfg_entry = max_entry;
}
-static inline s32
+static inline int
bfa_aen_get_max_cfg_entry(void)
{
return bfa_aen_max_cfg_entry;
}
-static inline s32
+static inline int
bfa_aen_get_meminfo(void)
{
return sizeof(struct bfa_aen_entry_s) * bfa_aen_get_max_cfg_entry();
}
-static inline s32
+static inline int
bfa_aen_get_wi(struct bfa_aen_s *aen)
{
return aen->write_index;
}
-static inline s32
+static inline int
bfa_aen_get_ri(struct bfa_aen_s *aen)
{
return aen->read_index;
}
-static inline s32
-bfa_aen_fetch_count(struct bfa_aen_s *aen, s32 read_index)
+static inline int
+bfa_aen_fetch_count(struct bfa_aen_s *aen, enum bfa_aen_app app_id)
{
- return ((aen->write_index + aen->max_entry) - read_index)
+ bfa_assert((app_id < BFA_AEN_MAX_APP) && (app_id >= bfa_aen_app_bcu));
+ return ((aen->write_index + aen->max_entry) - aen->app_ri[app_id])
% aen->max_entry;
}
-s32 bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
- void *bfad, u32 inst_id, void (*aen_cb_notify)(void *),
+int bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
+ void *bfad, int bfad_num, void (*aen_cb_notify)(void *),
void (*gettimeofday)(struct bfa_timeval_s *));
-s32 bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category,
+void bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category,
int aen_type, union bfa_aen_data_u *aen_data);
-s32 bfa_aen_fetch(struct bfa_aen_s *aen, struct bfa_aen_entry_s *aen_entry,
- s32 entry_space, s32 rii, s32 *ri_arr,
- s32 ri_arr_cnt);
+bfa_status_t bfa_aen_fetch(struct bfa_aen_s *aen,
+ struct bfa_aen_entry_s *aen_entry,
+ int entry_req, enum bfa_aen_app app_id, int *entry_ret);
-s32 bfa_aen_get_inst(struct bfa_aen_s *aen);
+int bfa_aen_get_inst(struct bfa_aen_s *aen);
#endif /* __BFA_AEN_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_aen.h b/drivers/scsi/bfa/include/defs/bfa_defs_aen.h
index 4c81a61..3524469 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_aen.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_aen.h
@@ -30,6 +30,16 @@
#include <defs/bfa_defs_audit.h>
#include <defs/bfa_defs_ethport.h>
+#define BFA_AEN_MAX_APP 5
+
+enum bfa_aen_app {
+ bfa_aen_app_bcu = 0, /* No thread for bcu */
+ bfa_aen_app_hcm = 1,
+ bfa_aen_app_cim = 2,
+ bfa_aen_app_snia = 3,
+ bfa_aen_app_test = 4, /* To be removed after unit test */
+};
+
enum bfa_aen_category {
BFA_AEN_CAT_ADAPTER = 1,
BFA_AEN_CAT_PORT = 2,
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h b/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h
index 6c721b1..8d8e6a9 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h
@@ -144,8 +144,8 @@
* BFA IOC level event data, now just a place holder
*/
struct bfa_ioc_aen_data_s {
- enum bfa_ioc_type_e ioc_type;
wwn_t pwwn;
+ s16 ioc_type;
mac_t mac;
};
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_lport.h b/drivers/scsi/bfa/include/defs/bfa_defs_lport.h
index 7359f82..0952a13 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_lport.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_lport.h
@@ -59,8 +59,8 @@
*/
struct bfa_lport_aen_data_s {
u16 vf_id; /* vf_id of this logical port */
- u16 rsvd;
- enum bfa_port_role roles; /* Logical port mode,IM/TM/IP etc */
+ s16 roles; /* Logical port mode,IM/TM/IP etc */
+ u32 rsvd;
wwn_t ppwwn; /* WWN of its physical port */
wwn_t lpwwn; /* WWN of this logical port */
};
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_port.h b/drivers/scsi/bfa/include/defs/bfa_defs_port.h
index 1c74a8b..501bc97 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_port.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_port.h
@@ -234,14 +234,15 @@
};
struct bfa_port_aen_data_s {
- enum bfa_ioc_type_e ioc_type;
- wwn_t pwwn; /* WWN of the physical port */
- wwn_t fwwn; /* WWN of the fabric port */
- mac_t mac; /* MAC address of the ethernet port,
- * applicable to CNA port only */
- int phy_port_num; /*! For SFP related events */
- enum bfa_port_aen_sfp_pom level; /* Only transitions will
- * be informed */
+ wwn_t pwwn; /* WWN of the physical port */
+ wwn_t fwwn; /* WWN of the fabric port */
+ s32 phy_port_num; /*! For SFP related events */
+ s16 ioc_type;
+ s16 level; /* Only transitions will
+ * be informed */
+ struct mac_s mac; /* MAC address of the ethernet port,
+ * applicable to CNA port only */
+ s16 rsvd;
};
#endif /* __BFA_DEFS_PORT_H__ */