/* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and /or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #ifndef _QED_DEV_API_H #define _QED_DEV_API_H #include #include #include #include #include #include "qed_int.h" /** * @brief qed_init_dp - initialize the debug level * * @param cdev * @param dp_module * @param dp_level */ void qed_init_dp(struct qed_dev *cdev, u32 dp_module, u8 dp_level); /** * @brief qed_init_struct - initialize the device structure to * its defaults * * @param cdev */ void qed_init_struct(struct qed_dev *cdev); /** * @brief qed_resc_free - * * @param cdev */ void qed_resc_free(struct qed_dev *cdev); /** * @brief qed_resc_alloc - * * @param cdev * * @return int */ int qed_resc_alloc(struct qed_dev *cdev); /** * @brief qed_resc_setup - * * @param cdev */ void qed_resc_setup(struct qed_dev *cdev); enum qed_override_force_load { QED_OVERRIDE_FORCE_LOAD_NONE, QED_OVERRIDE_FORCE_LOAD_ALWAYS, QED_OVERRIDE_FORCE_LOAD_NEVER, }; struct qed_drv_load_params { /* Indicates whether the driver is running over a crash kernel. * As part of the load request, this will be used for providing the * driver role to the MFW. * In case of a crash kernel over PDA - this should be set to false. */ bool is_crash_kernel; /* The timeout value that the MFW should use when locking the engine for * the driver load process. * A value of '0' means the default value, and '255' means no timeout. */ u8 mfw_timeout_val; #define QED_LOAD_REQ_LOCK_TO_DEFAULT 0 #define QED_LOAD_REQ_LOCK_TO_NONE 255 /* Avoid engine reset when first PF loads on it */ bool avoid_eng_reset; /* Allow overriding the default force load behavior */ enum qed_override_force_load override_force_load; }; struct qed_hw_init_params { /* Tunneling parameters */ struct qed_tunnel_info *p_tunn; bool b_hw_start; /* Interrupt mode [msix, inta, etc.] to use */ enum qed_int_mode int_mode; /* NPAR tx switching to be used for vports for tx-switching */ bool allow_npar_tx_switch; /* Binary fw data pointer in binary fw file */ const u8 *bin_fw_data; /* Driver load parameters */ struct qed_drv_load_params *p_drv_load_params; }; /** * @brief qed_hw_init - * * @param cdev * @param p_params * * @return int */ int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params); /** * @brief qed_hw_timers_stop_all - stop the timers HW block * * @param cdev * * @return void */ void qed_hw_timers_stop_all(struct qed_dev *cdev); /** * @brief qed_hw_stop - * * @param cdev * * @return int */ int qed_hw_stop(struct qed_dev *cdev); /** * @brief qed_hw_stop_fastpath -should be called incase * slowpath is still required for the device, * but fastpath is not. * * @param cdev * * @return int */ int qed_hw_stop_fastpath(struct qed_dev *cdev); /** * @brief qed_hw_start_fastpath -restart fastpath traffic, * only if hw_stop_fastpath was called * * @param p_hwfn * * @return int */ int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn); /** * @brief qed_hw_prepare - * * @param cdev * @param personality - personality to initialize * * @return int */ int qed_hw_prepare(struct qed_dev *cdev, int personality); /** * @brief qed_hw_remove - * * @param cdev */ void qed_hw_remove(struct qed_dev *cdev); /** * @brief qed_ptt_acquire - Allocate a PTT window * * Should be called at the entry point to the driver (at the beginning of an * exported function) * * @param p_hwfn * * @return struct qed_ptt */ struct qed_ptt *qed_ptt_acquire(struct qed_hwfn *p_hwfn); /** * @brief qed_ptt_release - Release PTT Window * * Should be called at the end of a flow - at the end of the function that * acquired the PTT. * * * @param p_hwfn * @param p_ptt */ void qed_ptt_release(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); void qed_reset_vport_stats(struct qed_dev *cdev); enum qed_dmae_address_type_t { QED_DMAE_ADDRESS_HOST_VIRT, QED_DMAE_ADDRESS_HOST_PHYS, QED_DMAE_ADDRESS_GRC }; /* value of flags If QED_DMAE_FLAG_RW_REPL_SRC flag is set and the * source is a block of length DMAE_MAX_RW_SIZE and the * destination is larger, the source block will be duplicated as * many times as required to fill the destination block. This is * used mostly to write a zeroed buffer to destination address * using DMA */ #define QED_DMAE_FLAG_RW_REPL_SRC 0x00000001 #define QED_DMAE_FLAG_VF_SRC 0x00000002 #define QED_DMAE_FLAG_VF_DST 0x00000004 #define QED_DMAE_FLAG_COMPLETION_DST 0x00000008 struct qed_dmae_params { u32 flags; /* consists of QED_DMAE_FLAG_* values */ u8 src_vfid; u8 dst_vfid; }; /** * @brief qed_dmae_host2grc - copy data from source addr to * dmae registers using the given ptt * * @param p_hwfn * @param p_ptt * @param source_addr * @param grc_addr (dmae_data_offset) * @param size_in_dwords * @param flags (one of the flags defined above) */ int qed_dmae_host2grc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u64 source_addr, u32 grc_addr, u32 size_in_dwords, u32 flags); /** * @brief qed_dmae_grc2host - Read data from dmae data offset * to source address using the given ptt * * @param p_ptt * @param grc_addr (dmae_data_offset) * @param dest_addr * @param size_in_dwords * @param flags - one of the flags defined above */ int qed_dmae_grc2host(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 grc_addr, dma_addr_t dest_addr, u32 size_in_dwords, u32 flags); /** * @brief qed_dmae_host2host - copy data from to source address * to a destination adress (for SRIOV) using the given ptt * * @param p_hwfn * @param p_ptt * @param source_addr * @param dest_addr * @param size_in_dwords * @param params */ int qed_dmae_host2host(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, dma_addr_t source_addr, dma_addr_t dest_addr, u32 size_in_dwords, struct qed_dmae_params *p_params); /** * @brief qed_chain_alloc - Allocate and initialize a chain * * @param p_hwfn * @param intended_use * @param mode * @param num_elems * @param elem_size * @param p_chain * @param ext_pbl - a possible external PBL * * @return int */ int qed_chain_alloc(struct qed_dev *cdev, enum qed_chain_use_mode intended_use, enum qed_chain_mode mode, enum qed_chain_cnt_type cnt_type, u32 num_elems, size_t elem_size, struct qed_chain *p_chain, struct qed_chain_ext_pbl *ext_pbl); /** * @brief qed_chain_free - Free chain DMA memory * * @param p_hwfn * @param p_chain */ void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain); /** * @@brief qed_fw_l2_queue - Get absolute L2 queue ID * * @param p_hwfn * @param src_id - relative to p_hwfn * @param dst_id - absolute per engine * * @return int */ int qed_fw_l2_queue(struct qed_hwfn *p_hwfn, u16 src_id, u16 *dst_id); /** * @@brief qed_fw_vport - Get absolute vport ID * * @param p_hwfn * @param src_id - relative to p_hwfn * @param dst_id - absolute per engine * * @return int */ int qed_fw_vport(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id); /** * @@brief qed_fw_rss_eng - Get absolute RSS engine ID * * @param p_hwfn * @param src_id - relative to p_hwfn * @param dst_id - absolute per engine * * @return int */ int qed_fw_rss_eng(struct qed_hwfn *p_hwfn, u8 src_id, u8 *dst_id); /** * @brief qed_llh_add_mac_filter - configures a MAC filter in llh * * @param p_hwfn * @param p_ptt * @param p_filter - MAC to add */ int qed_llh_add_mac_filter(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 *p_filter); /** * @brief qed_llh_remove_mac_filter - removes a MAC filter from llh * * @param p_hwfn * @param p_ptt * @param p_filter - MAC to remove */ void qed_llh_remove_mac_filter(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 *p_filter); enum qed_llh_port_filter_type_t { QED_LLH_FILTER_ETHERTYPE, QED_LLH_FILTER_TCP_SRC_PORT, QED_LLH_FILTER_TCP_DEST_PORT, QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT, QED_LLH_FILTER_UDP_SRC_PORT, QED_LLH_FILTER_UDP_DEST_PORT, QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT }; /** * @brief qed_llh_add_protocol_filter - configures a protocol filter in llh * * @param p_hwfn * @param p_ptt * @param source_port_or_eth_type - source port or ethertype to add * @param dest_port - destination port to add * @param type - type of filters and comparing */ int qed_llh_add_protocol_filter(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 source_port_or_eth_type, u16 dest_port, enum qed_llh_port_filter_type_t type); /** * @brief qed_llh_remove_protocol_filter - remove a protocol filter in llh * * @param p_hwfn * @param p_ptt * @param source_port_or_eth_type - source port or ethertype to add * @param dest_port - destination port to add * @param type - type of filters and comparing */ void qed_llh_remove_protocol_filter(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 source_port_or_eth_type, u16 dest_port, enum qed_llh_port_filter_type_t type); /** * *@brief Cleanup of previous driver remains prior to load * * @param p_hwfn * @param p_ptt * @param id - For PF, engine-relative. For VF, PF-relative. * @param is_vf - true iff cleanup is made for a VF. * * @return int */ int qed_final_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 id, bool is_vf); /** * @brief qed_get_queue_coalesce - Retrieve coalesce value for a given queue. * * @param p_hwfn * @param p_coal - store coalesce value read from the hardware. * @param p_handle * * @return int **/ int qed_get_queue_coalesce(struct qed_hwfn *p_hwfn, u16 *coal, void *handle); /** * @brief qed_set_queue_coalesce - Configure coalesce parameters for Rx and * Tx queue. The fact that we can configure coalescing to up to 511, but on * varying accuracy [the bigger the value the less accurate] up to a mistake * of 3usec for the highest values. * While the API allows setting coalescing per-qid, all queues sharing a SB * should be in same range [i.e., either 0-0x7f, 0x80-0xff or 0x100-0x1ff] * otherwise configuration would break. * * * @param rx_coal - Rx Coalesce value in micro seconds. * @param tx_coal - TX Coalesce value in micro seconds. * @param p_handle * * @return int **/ int qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle); /** * @brief db_recovery_add - add doorbell information to the doorbell * recovery mechanism. * * @param cdev * @param db_addr - doorbell address * @param db_data - address of where db_data is stored * @param db_width - doorbell is 32b pr 64b * @param db_space - doorbell recovery addresses are user or kernel space */ int qed_db_recovery_add(struct qed_dev *cdev, void __iomem *db_addr, void *db_data, enum qed_db_rec_width db_width, enum qed_db_rec_space db_space); /** * @brief db_recovery_del - remove doorbell information from the doorbell * recovery mechanism. db_data serves as key (db_addr is not unique). * * @param cdev * @param db_addr - doorbell address * @param db_data - address where db_data is stored. Serves as key for the * entry to delete. */ int qed_db_recovery_del(struct qed_dev *cdev, void __iomem *db_addr, void *db_data); const char *qed_hw_get_resc_name(enum qed_resources res_id); #endif