diff options
Diffstat (limited to 'drivers/net/octeontx/base/octeontx_pkovf.h')
| -rw-r--r-- | drivers/net/octeontx/base/octeontx_pkovf.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/net/octeontx/base/octeontx_pkovf.h b/drivers/net/octeontx/base/octeontx_pkovf.h new file mode 100644 index 00000000..cfc3715d --- /dev/null +++ b/drivers/net/octeontx/base/octeontx_pkovf.h @@ -0,0 +1,97 @@ +/* + * BSD LICENSE + * + * Copyright (C) Cavium Inc. 2017. All rights reserved. + * + * 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. + * * Neither the name of Cavium networks nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __OCTEONTX_PKO_H__ +#define __OCTEONTX_PKO_H__ + +/* PKO maximum constants */ +#define PKO_VF_MAX (32) +#define PKO_VF_NUM_DQ (8) +#define PKO_MAX_NUM_DQ (8) +#define PKO_DQ_DRAIN_TO (1000) + +#define PKO_DQ_FC_SKID (4) +#define PKO_DQ_FC_DEPTH_PAGES (2048) +#define PKO_DQ_FC_STRIDE_16 (16) +#define PKO_DQ_FC_STRIDE_128 (128) +#define PKO_DQ_FC_STRIDE PKO_DQ_FC_STRIDE_16 + +#define PKO_DQ_KIND_BIT 49 +#define PKO_DQ_STATUS_BIT 60 +#define PKO_DQ_OP_BIT 48 + +/* PKO VF register offsets from VF_BAR0 */ +#define PKO_VF_DQ_SW_XOFF(gdq) (0x000100 | (gdq) << 17) +#define PKO_VF_DQ_WM_CTL(gdq) (0x000130 | (gdq) << 17) +#define PKO_VF_DQ_WM_CNT(gdq) (0x000150 | (gdq) << 17) +#define PKO_VF_DQ_FC_CONFIG (0x000160) +#define PKO_VF_DQ_FC_STATUS(gdq) (0x000168 | (gdq) << 17) +#define PKO_VF_DQ_OP_SEND(gdq, op) (0x001000 | (gdq) << 17 | (op) << 3) +#define PKO_VF_DQ_OP_OPEN(gdq) (0x001100 | (gdq) << 17) +#define PKO_VF_DQ_OP_CLOSE(gdq) (0x001200 | (gdq) << 17) +#define PKO_VF_DQ_OP_QUERY(gdq) (0x001300 | (gdq) << 17) + +/* pko_send_hdr_s + pko_send_link */ +#define PKO_CMD_SZ (2 << 1) +#define PKO_SEND_GATHER_SUBDC (0x0ull << 60) +#define PKO_SEND_GATHER_LDTYPE(x) ((x) << 58) +#define PKO_SEND_GATHER_GAUAR(x) ((x) << 24) + +typedef struct octeontx_dq_s { + void *lmtline_va; + void *ioreg_va; + void *fc_status_va; +} octeontx_dq_t; + +/** + * Function for extracting information out of a given DQ. + * + * It is intended to be used in slow path (configuration) in + * octeontx_pko_channel_query(). + * + * @param dq The DQ to extract information from. + * @param out Pointer to the user's structure he wants to fill. + */ +typedef void (*octeontx_pko_dq_getter_t)(octeontx_dq_t *dq, void *out); + +int +octeontx_pko_channel_query_dqs(int chanid, void *out, size_t out_elem_size, + size_t dq_num, octeontx_pko_dq_getter_t getter); +int octeontx_pko_channel_open(int dq_base, int dq_num, int chanid); +int octeontx_pko_channel_close(int chanid); +int octeontx_pko_channel_start(int chanid); +int octeontx_pko_channel_stop(int chanid); +int octeontx_pko_vf_count(void); +int octeontx_pko_init_fc(const size_t pko_vf_count); +void octeontx_pko_fc_free(void); + +#endif /* __OCTEONTX_PKO_H__ */ |