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[SCSI] be2iscsi: Fix SGL Initilization and posting Pages for Dual Chute 

Initialization of SGL and related PAGE posting is to be done for the chute.
Based on configuration value of each Chute,SGL initialization and page posting
is done.

For BE-X family iSCSI protocol is loaded only on single 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 15:35:47 -07:00 committed by James Bottomley
parent a129d92fc3
commit 90622db316
1 changed files with 13 additions and 4 deletions
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17
drivers/scsi/be2iscsi/be_main.c
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@ -3450,6 +3450,10 @@ beiscsi_post_pages(struct beiscsi_hba *phba)
mem_descr += HWI_MEM_SGE;
pm_arr = mem_descr->mem_array;
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
if (test_bit(ulp_num, &phba->fw_config.ulp_supported))
break;
page_offset = (sizeof(struct iscsi_sge) * phba->params.num_sge_per_io *
phba->fw_config.iscsi_icd_start[ulp_num]) / PAGE_SIZE;
for (i = 0; i < mem_descr->num_elements; i++) {
@ -3946,7 +3950,8 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba)
struct be_mem_descriptor *mem_descr_sglh, *mem_descr_sg;
struct sgl_handle *psgl_handle;
struct iscsi_sge *pfrag;
unsigned int arr_index, i, idx, ulp_num = 0;
unsigned int arr_index, i, idx;
unsigned int ulp_icd_start, ulp_num = 0;
phba->io_sgl_hndl_avbl = 0;
phba->eh_sgl_hndl_avbl = 0;
@ -4013,6 +4018,12 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba)
"\n BM_%d : mem_descr_sg->num_elements=%d\n",
mem_descr_sg->num_elements);
for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
if (test_bit(ulp_num, &phba->fw_config.ulp_supported))
break;
ulp_icd_start = phba->fw_config.iscsi_icd_start[ulp_num];
arr_index = 0;
idx = 0;
while (idx < mem_descr_sg->num_elements) {
@ -4031,9 +4042,7 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba)
AMAP_SET_BITS(struct amap_iscsi_sge, addr_hi, pfrag, 0);
AMAP_SET_BITS(struct amap_iscsi_sge, addr_lo, pfrag, 0);
pfrag += phba->params.num_sge_per_io;
psgl_handle->sgl_index =
phba->fw_config.iscsi_icd_start[ulp_num] +
arr_index++;
psgl_handle->sgl_index = ulp_icd_start + arr_index++;
}
idx++;
}