summaryrefslogtreecommitdiffstats
path: root/drivers/net/octeontx/base/octeontx_pkovf.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/octeontx/base/octeontx_pkovf.h')
-rw-r--r--drivers/net/octeontx/base/octeontx_pkovf.h97
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__ */