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

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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++;
}