/* 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_HW_H #define _QED_HW_H #include #include #include #include #include "qed.h" #include "qed_dev_api.h" /* Forward decleration */ struct qed_ptt; enum reserved_ptts { RESERVED_PTT_EDIAG, RESERVED_PTT_USER_SPACE, RESERVED_PTT_MAIN, RESERVED_PTT_DPC, RESERVED_PTT_MAX }; enum _dmae_cmd_dst_mask { DMAE_CMD_DST_MASK_NONE = 0, DMAE_CMD_DST_MASK_PCIE = 1, DMAE_CMD_DST_MASK_GRC = 2 }; enum _dmae_cmd_src_mask { DMAE_CMD_SRC_MASK_PCIE = 0, DMAE_CMD_SRC_MASK_GRC = 1 }; enum _dmae_cmd_crc_mask { DMAE_CMD_COMP_CRC_EN_MASK_NONE = 0, DMAE_CMD_COMP_CRC_EN_MASK_SET = 1 }; /* definitions for DMA constants */ #define DMAE_GO_VALUE 0x1 #define DMAE_COMPLETION_VAL 0xD1AE #define DMAE_CMD_ENDIANITY 0x2 #define DMAE_CMD_SIZE 14 #define DMAE_CMD_SIZE_TO_FILL (DMAE_CMD_SIZE - 5) #define DMAE_MIN_WAIT_TIME 0x2 #define DMAE_MAX_CLIENTS 32 /** * @brief qed_gtt_init - Initialize GTT windows * * @param p_hwfn */ void qed_gtt_init(struct qed_hwfn *p_hwfn); /** * @brief qed_ptt_invalidate - Forces all ptt entries to be re-configured * * @param p_hwfn */ void qed_ptt_invalidate(struct qed_hwfn *p_hwfn); /** * @brief qed_ptt_pool_alloc - Allocate and initialize PTT pool * * @param p_hwfn * * @return struct _qed_status - success (0), negative - error. */ int qed_ptt_pool_alloc(struct qed_hwfn *p_hwfn); /** * @brief qed_ptt_pool_free - * * @param p_hwfn */ void qed_ptt_pool_free(struct qed_hwfn *p_hwfn); /** * @brief qed_ptt_get_hw_addr - Get PTT's GRC/HW address * * @param p_hwfn * @param p_ptt * * @return u32 */ u32 qed_ptt_get_hw_addr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief qed_ptt_get_bar_addr - Get PPT's external BAR address * * @param p_hwfn * @param p_ptt * * @return u32 */ u32 qed_ptt_get_bar_addr(struct qed_ptt *p_ptt); /** * @brief qed_ptt_set_win - Set PTT Window's GRC BAR address * * @param p_hwfn * @param new_hw_addr * @param p_ptt */ void qed_ptt_set_win(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 new_hw_addr); /** * @brief qed_get_reserved_ptt - Get a specific reserved PTT * * @param p_hwfn * @param ptt_idx * * @return struct qed_ptt * */ struct qed_ptt *qed_get_reserved_ptt(struct qed_hwfn *p_hwfn, enum reserved_ptts ptt_idx); /** * @brief qed_wr - Write value to BAR using the given ptt * * @param p_hwfn * @param p_ptt * @param val * @param hw_addr */ void qed_wr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 hw_addr, u32 val); /** * @brief qed_rd - Read value from BAR using the given ptt * * @param p_hwfn * @param p_ptt * @param val * @param hw_addr */ u32 qed_rd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 hw_addr); /** * @brief qed_memcpy_from - copy n bytes from BAR using the given * ptt * * @param p_hwfn * @param p_ptt * @param dest * @param hw_addr * @param n */ void qed_memcpy_from(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, void *dest, u32 hw_addr, size_t n); /** * @brief qed_memcpy_to - copy n bytes to BAR using the given * ptt * * @param p_hwfn * @param p_ptt * @param hw_addr * @param src * @param n */ void qed_memcpy_to(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 hw_addr, void *src, size_t n); /** * @brief qed_fid_pretend - pretend to another function when * accessing the ptt window. There is no way to unpretend * a function. The only way to cancel a pretend is to * pretend back to the original function. * * @param p_hwfn * @param p_ptt * @param fid - fid field of pxp_pretend structure. Can contain * either pf / vf, port/path fields are don't care. */ void qed_fid_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 fid); /** * @brief qed_port_pretend - pretend to another port when * accessing the ptt window * * @param p_hwfn * @param p_ptt * @param port_id - the port to pretend to */ void qed_port_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 port_id); /** * @brief qed_port_unpretend - cancel any previously set port * pretend * * @param p_hwfn * @param p_ptt */ void qed_port_unpretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * @brief qed_port_fid_pretend - pretend to another port and another function * when accessing the ptt window * * @param p_hwfn * @param p_ptt * @param port_id - the port to pretend to * @param fid - fid field of pxp_pretend structure. Can contain either pf / vf. */ void qed_port_fid_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 port_id, u16 fid); /** * @brief qed_vfid_to_concrete - build a concrete FID for a * given VF ID * * @param p_hwfn * @param p_ptt * @param vfid */ u32 qed_vfid_to_concrete(struct qed_hwfn *p_hwfn, u8 vfid); /** * @brief qed_dmae_idx_to_go_cmd - map the idx to dmae cmd * this is declared here since other files will require it. * @param idx */ u32 qed_dmae_idx_to_go_cmd(u8 idx); /** * @brief qed_dmae_info_alloc - Init the dmae_info structure * which is part of p_hwfn. * @param p_hwfn */ int qed_dmae_info_alloc(struct qed_hwfn *p_hwfn); /** * @brief qed_dmae_info_free - Free the dmae_info structure * which is part of p_hwfn * * @param p_hwfn */ void qed_dmae_info_free(struct qed_hwfn *p_hwfn); union qed_qm_pq_params { struct { u8 q_idx; } iscsi; struct { u8 tc; } core; struct { u8 is_vf; u8 vf_id; u8 tc; } eth; struct { u8 dcqcn; u8 qpid; /* roce relative */ } roce; }; int qed_init_fw_data(struct qed_dev *cdev, const u8 *fw_data); int qed_dmae_sanity(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, const char *phase); #endif