diff options
Diffstat (limited to 'drivers/infiniband/hw/bng_re/bng_fw.c')
| -rw-r--r-- | drivers/infiniband/hw/bng_re/bng_fw.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/bng_re/bng_fw.c b/drivers/infiniband/hw/bng_re/bng_fw.c index f16fd21dfbce..803610fb9c58 100644 --- a/drivers/infiniband/hw/bng_re/bng_fw.c +++ b/drivers/infiniband/hw/bng_re/bng_fw.c @@ -5,6 +5,7 @@ #include "roce_hsi.h" #include "bng_res.h" #include "bng_fw.h" +#include "bng_sp.h" /** * bng_re_map_rc - map return type based on opcode @@ -700,3 +701,67 @@ int bng_re_enable_fw_channel(struct bng_re_rcfw *rcfw, bng_re_start_rcfw(rcfw); return 0; } + +int bng_re_deinit_rcfw(struct bng_re_rcfw *rcfw) +{ + struct creq_deinitialize_fw_resp resp = {}; + struct cmdq_deinitialize_fw req = {}; + struct bng_re_cmdqmsg msg = {}; + int rc; + + bng_re_rcfw_cmd_prep((struct cmdq_base *)&req, + CMDQ_BASE_OPCODE_DEINITIALIZE_FW, + sizeof(req)); + bng_re_fill_cmdqmsg(&msg, &req, &resp, NULL, + sizeof(req), sizeof(resp), 0); + rc = bng_re_rcfw_send_message(rcfw, &msg); + if (rc) + return rc; + + clear_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->cmdq.flags); + return 0; +} +static inline bool _is_hw_retx_supported(u16 dev_cap_flags) +{ + return dev_cap_flags & + (CREQ_QUERY_FUNC_RESP_SB_HW_REQUESTER_RETX_ENABLED | + CREQ_QUERY_FUNC_RESP_SB_HW_RESPONDER_RETX_ENABLED); +} + +#define BNG_RE_HW_RETX(a) _is_hw_retx_supported((a)) +static inline bool _is_optimize_modify_qp_supported(u16 dev_cap_ext_flags2) +{ + return dev_cap_ext_flags2 & + CREQ_QUERY_FUNC_RESP_SB_OPTIMIZE_MODIFY_QP_SUPPORTED; +} + +int bng_re_init_rcfw(struct bng_re_rcfw *rcfw, + struct bng_re_stats *stats_ctx) +{ + struct creq_initialize_fw_resp resp = {}; + struct cmdq_initialize_fw req = {}; + struct bng_re_cmdqmsg msg = {}; + int rc; + u16 flags = 0; + + bng_re_rcfw_cmd_prep((struct cmdq_base *)&req, + CMDQ_BASE_OPCODE_INITIALIZE_FW, + sizeof(req)); + /* Supply (log-base-2-of-host-page-size - base-page-shift) + * to bono to adjust the doorbell page sizes. + */ + req.log2_dbr_pg_size = cpu_to_le16(PAGE_SHIFT - + BNG_FW_DBR_BASE_PAGE_SHIFT); + if (BNG_RE_HW_RETX(rcfw->res->dattr->dev_cap_flags)) + flags |= CMDQ_INITIALIZE_FW_FLAGS_HW_REQUESTER_RETX_SUPPORTED; + if (_is_optimize_modify_qp_supported(rcfw->res->dattr->dev_cap_flags2)) + flags |= CMDQ_INITIALIZE_FW_FLAGS_OPTIMIZE_MODIFY_QP_SUPPORTED; + req.flags |= cpu_to_le16(flags); + req.stat_ctx_id = cpu_to_le32(stats_ctx->fw_id); + bng_re_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req), sizeof(resp), 0); + rc = bng_re_rcfw_send_message(rcfw, &msg); + if (rc) + return rc; + set_bit(FIRMWARE_INITIALIZED_FLAG, &rcfw->cmdq.flags); + return 0; +} |