1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
12 #include <linux/types.h>
13 #include <linux/bitops.h>
14 #include <linux/slab.h>
15 #include <linux/string.h>
17 #include "qed_dev_api.h"
19 /* Forward decleration */
24 RESERVED_PTT_USER_SPACE,
30 enum _dmae_cmd_dst_mask {
31 DMAE_CMD_DST_MASK_NONE = 0,
32 DMAE_CMD_DST_MASK_PCIE = 1,
33 DMAE_CMD_DST_MASK_GRC = 2
36 enum _dmae_cmd_src_mask {
37 DMAE_CMD_SRC_MASK_PCIE = 0,
38 DMAE_CMD_SRC_MASK_GRC = 1
41 enum _dmae_cmd_crc_mask {
42 DMAE_CMD_COMP_CRC_EN_MASK_NONE = 0,
43 DMAE_CMD_COMP_CRC_EN_MASK_SET = 1
46 /* definitions for DMA constants */
47 #define DMAE_GO_VALUE 0x1
49 #define DMAE_COMPLETION_VAL 0xD1AE
50 #define DMAE_CMD_ENDIANITY 0x2
52 #define DMAE_CMD_SIZE 14
53 #define DMAE_CMD_SIZE_TO_FILL (DMAE_CMD_SIZE - 5)
54 #define DMAE_MIN_WAIT_TIME 0x2
55 #define DMAE_MAX_CLIENTS 32
58 * @brief qed_gtt_init - Initialize GTT windows
62 void qed_gtt_init(struct qed_hwfn *p_hwfn);
65 * @brief qed_ptt_invalidate - Forces all ptt entries to be re-configured
69 void qed_ptt_invalidate(struct qed_hwfn *p_hwfn);
72 * @brief qed_ptt_pool_alloc - Allocate and initialize PTT pool
76 * @return struct _qed_status - success (0), negative - error.
78 int qed_ptt_pool_alloc(struct qed_hwfn *p_hwfn);
81 * @brief qed_ptt_pool_free -
85 void qed_ptt_pool_free(struct qed_hwfn *p_hwfn);
88 * @brief qed_ptt_get_hw_addr - Get PTT's GRC/HW address
95 u32 qed_ptt_get_hw_addr(struct qed_hwfn *p_hwfn,
96 struct qed_ptt *p_ptt);
99 * @brief qed_ptt_get_bar_addr - Get PPT's external BAR address
106 u32 qed_ptt_get_bar_addr(struct qed_ptt *p_ptt);
109 * @brief qed_ptt_set_win - Set PTT Window's GRC BAR address
115 void qed_ptt_set_win(struct qed_hwfn *p_hwfn,
116 struct qed_ptt *p_ptt,
120 * @brief qed_get_reserved_ptt - Get a specific reserved PTT
125 * @return struct qed_ptt *
127 struct qed_ptt *qed_get_reserved_ptt(struct qed_hwfn *p_hwfn,
128 enum reserved_ptts ptt_idx);
131 * @brief qed_wr - Write value to BAR using the given ptt
138 void qed_wr(struct qed_hwfn *p_hwfn,
139 struct qed_ptt *p_ptt,
144 * @brief qed_rd - Read value from BAR using the given ptt
151 u32 qed_rd(struct qed_hwfn *p_hwfn,
152 struct qed_ptt *p_ptt,
156 * @brief qed_memcpy_from - copy n bytes from BAR using the given
165 void qed_memcpy_from(struct qed_hwfn *p_hwfn,
166 struct qed_ptt *p_ptt,
172 * @brief qed_memcpy_to - copy n bytes to BAR using the given
181 void qed_memcpy_to(struct qed_hwfn *p_hwfn,
182 struct qed_ptt *p_ptt,
187 * @brief qed_fid_pretend - pretend to another function when
188 * accessing the ptt window. There is no way to unpretend
189 * a function. The only way to cancel a pretend is to
190 * pretend back to the original function.
194 * @param fid - fid field of pxp_pretend structure. Can contain
195 * either pf / vf, port/path fields are don't care.
197 void qed_fid_pretend(struct qed_hwfn *p_hwfn,
198 struct qed_ptt *p_ptt,
202 * @brief qed_port_pretend - pretend to another port when
203 * accessing the ptt window
207 * @param port_id - the port to pretend to
209 void qed_port_pretend(struct qed_hwfn *p_hwfn,
210 struct qed_ptt *p_ptt,
214 * @brief qed_port_unpretend - cancel any previously set port
220 void qed_port_unpretend(struct qed_hwfn *p_hwfn,
221 struct qed_ptt *p_ptt);
224 * @brief qed_vfid_to_concrete - build a concrete FID for a
231 u32 qed_vfid_to_concrete(struct qed_hwfn *p_hwfn, u8 vfid);
234 * @brief qed_dmae_idx_to_go_cmd - map the idx to dmae cmd
235 * this is declared here since other files will require it.
238 u32 qed_dmae_idx_to_go_cmd(u8 idx);
241 * @brief qed_dmae_info_alloc - Init the dmae_info structure
242 * which is part of p_hwfn.
245 int qed_dmae_info_alloc(struct qed_hwfn *p_hwfn);
248 * @brief qed_dmae_info_free - Free the dmae_info structure
249 * which is part of p_hwfn
253 void qed_dmae_info_free(struct qed_hwfn *p_hwfn);
255 union qed_qm_pq_params {
272 u8 qpid; /* roce relative */
276 u16 qed_get_qm_pq(struct qed_hwfn *p_hwfn,
277 enum protocol_type proto, union qed_qm_pq_params *params);
279 int qed_init_fw_data(struct qed_dev *cdev,