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path: root/drivers/scsi/be2iscsi/be_mgmt.c
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Diffstat (limited to 'drivers/scsi/be2iscsi/be_mgmt.c')
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c139
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 1ec1db3a1465..b96a159b12c3 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -1152,3 +1152,142 @@ beiscsi_drvr_ver_disp(struct device *dev, struct device_attribute *attr,
{
return snprintf(buf, PAGE_SIZE, BE_NAME "\n");
}
+
+void beiscsi_offload_cxn_v0(struct beiscsi_offload_params *params,
+ struct wrb_handle *pwrb_handle,
+ struct be_mem_descriptor *mem_descr)
+{
+ struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
+
+ memset(pwrb, 0, sizeof(*pwrb));
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ max_send_data_segment_length, pwrb,
+ params->dw[offsetof(struct amap_beiscsi_offload_params,
+ max_send_data_segment_length) / 32]);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, type, pwrb,
+ BE_TGT_CTX_UPDT_CMD);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ first_burst_length,
+ pwrb,
+ params->dw[offsetof(struct amap_beiscsi_offload_params,
+ first_burst_length) / 32]);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, erl, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ erl) / 32] & OFFLD_PARAMS_ERL));
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, dde, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, hde, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ir2t, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, imd, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, stat_sn,
+ pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ exp_statsn) / 32] + 1));
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, wrb_idx,
+ pwrb, pwrb_handle->wrb_index);
+
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ max_burst_length, pwrb, params->dw[offsetof
+ (struct amap_beiscsi_offload_params,
+ max_burst_length) / 32]);
+
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, ptr2nextwrb,
+ pwrb, pwrb_handle->nxt_wrb_index);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ session_state, pwrb, 0);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, compltonack,
+ pwrb, 1);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, notpredblq,
+ pwrb, 0);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, mode, pwrb,
+ 0);
+
+ mem_descr += ISCSI_MEM_GLOBAL_HEADER;
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ pad_buffer_addr_hi, pwrb,
+ mem_descr->mem_array[0].bus_address.u.a32.address_hi);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ pad_buffer_addr_lo, pwrb,
+ mem_descr->mem_array[0].bus_address.u.a32.address_lo);
+}
+
+void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
+ struct wrb_handle *pwrb_handle)
+{
+ struct iscsi_wrb *pwrb = pwrb_handle->pwrb;
+
+ memset(pwrb, 0, sizeof(*pwrb));
+
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
+ max_burst_length, pwrb, params->dw[offsetof
+ (struct amap_beiscsi_offload_params,
+ max_burst_length) / 32]);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ max_burst_length, pwrb, params->dw[offsetof
+ (struct amap_beiscsi_offload_params,
+ max_burst_length) / 32]);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ type, pwrb,
+ BE_TGT_CTX_UPDT_CMD);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ ptr2nextwrb,
+ pwrb, pwrb_handle->nxt_wrb_index);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, wrb_idx,
+ pwrb, pwrb_handle->wrb_index);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ max_send_data_segment_length, pwrb,
+ params->dw[offsetof(struct amap_beiscsi_offload_params,
+ max_send_data_segment_length) / 32]);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ first_burst_length, pwrb,
+ params->dw[offsetof(struct amap_beiscsi_offload_params,
+ first_burst_length) / 32]);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ max_recv_dataseg_len, pwrb, BEISCSI_MAX_RECV_DATASEG_LEN);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ max_cxns, pwrb, BEISCSI_MAX_CXNS);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, erl, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ erl) / 32] & OFFLD_PARAMS_ERL));
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, dde, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ dde) / 32] & OFFLD_PARAMS_DDE) >> 2);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, hde, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ hde) / 32] & OFFLD_PARAMS_HDE) >> 3);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ ir2t, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ ir2t) / 32] & OFFLD_PARAMS_IR2T) >> 4);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, imd, pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ imd) / 32] & OFFLD_PARAMS_IMD) >> 5);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ data_seq_inorder,
+ pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ data_seq_inorder) / 32] &
+ OFFLD_PARAMS_DATA_SEQ_INORDER) >> 6);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2,
+ pdu_seq_inorder,
+ pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ pdu_seq_inorder) / 32] &
+ OFFLD_PARAMS_PDU_SEQ_INORDER) >> 7);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, max_r2t,
+ pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ max_r2t) / 32] &
+ OFFLD_PARAMS_MAX_R2T) >> 8);
+ AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb_v2, stat_sn,
+ pwrb,
+ (params->dw[offsetof(struct amap_beiscsi_offload_params,
+ exp_statsn) / 32] + 1));
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-11 09:01:17 +0000