From 90622db3165476182c3348b6c4371d095f1cb193 Mon Sep 17 00:00:00 2001 From: Jayamohan Kallickal Date: Sat, 28 Sep 2013 15:35:47 -0700 Subject: [PATCH] [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 Signed-off-by: Jayamohan Kallickal Signed-off-by: James Bottomley --- drivers/scsi/be2iscsi/be_main.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 942a896..59d7e932 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -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++; } -- 2.7.4