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[SCSI] be2iscsi: Fix CID allocation/freeing to support Dual chute mode

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Configuration parameters returns the number of connection that
can be offloaded one each chute.

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Jayamohan Kallickal
2013-09-28 15:35:49 -07:00
committed by James Bottomley
parent 4eea99d55d
commit 0a3db7c0a3
4 changed files with 158 additions and 36 deletions
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20
drivers/scsi/be2iscsi/be_main.h
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@@ -297,6 +297,13 @@ struct hwi_wrb_context {
uint32_t doorbell_offset;
};
struct ulp_cid_info {
unsigned short *cid_array;
unsigned short avlbl_cids;
unsigned short cid_alloc;
unsigned short cid_free;
};
#include "be.h"
#define chip_be2(phba) (phba->generation == BE_GEN2)
#define chip_be3_r(phba) (phba->generation == BE_GEN3)
@@ -307,6 +314,14 @@ struct hwi_wrb_context {
#define BEISCSI_ULP_COUNT 2
#define BEISCSI_ULP0_LOADED 0x01
#define BEISCSI_ULP1_LOADED 0x02
#define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \
(((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids)
#define BEISCSI_ULP0_AVLBL_CID(phba) \
BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0)
#define BEISCSI_ULP1_AVLBL_CID(phba) \
BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1)
struct beiscsi_hba {
struct hba_parameters params;
struct hwi_controller *phwi_ctrlr;
@@ -343,16 +358,13 @@ struct beiscsi_hba {
spinlock_t isr_lock;
spinlock_t async_pdu_lock;
unsigned int age;
unsigned short avlbl_cids;
unsigned short cid_alloc;
unsigned short cid_free;
struct list_head hba_queue;
#define BE_MAX_SESSION 2048
#define BE_SET_CID_TO_CRI(cri_index, cid) \
(phba->cid_to_cri_map[cid] = cri_index)
#define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid])
unsigned short cid_to_cri_map[BE_MAX_SESSION];
unsigned short *cid_array;
struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT];
struct iscsi_endpoint **ep_array;
struct beiscsi_conn **conn_table;
struct iscsi_boot_kset *boot_kset;