net/ice/base: init metainit table for parser

Parse DDP section ICE_SID_RXPARSER_METADATA_INIT into an array of
struct ice_metainit_item.

Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Acked-by: Junfeng Guo <junfeng.guo@intel.com>

diff --git a/drivers/net/ice/base/ice_metainit.c b/drivers/net/ice/base/ice_metainit.c
new file mode 100644 (file)
index 0000000..5d49c68
--- /dev/null
+++ b/drivers/net/ice/base/ice_metainit.c
@@ -0,0 +1,143 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2021 Intel Corporation
+ */
+
+#include "ice_common.h"
+#include "ice_parser_util.h"
+
+#define ICE_METAINIT_TABLE_SIZE 16
+
+/**
+ * ice_metainit_dump - dump an metainit item info
+ * @ice_hw: pointer to the hardware structure
+ * @item: metainit item to dump
+ */
+void ice_metainit_dump(struct ice_hw *hw, struct ice_metainit_item *item)
+{
+       ice_info(hw, "index = %d\n", item->idx);
+       ice_info(hw, "tsr = %d\n", item->tsr);
+       ice_info(hw, "ho = %d\n", item->ho);
+       ice_info(hw, "pc = %d\n", item->pc);
+       ice_info(hw, "pg_rn = %d\n", item->pg_rn);
+       ice_info(hw, "cd = %d\n", item->cd);
+       ice_info(hw, "gpr_a_ctrl = %d\n", item->gpr_a_ctrl);
+       ice_info(hw, "gpr_a_data_mdid = %d\n", item->gpr_a_data_mdid);
+       ice_info(hw, "gpr_a_data_start = %d\n", item->gpr_a_data_start);
+       ice_info(hw, "gpr_a_data_len = %d\n", item->gpr_a_data_len);
+       ice_info(hw, "gpr_a_id = %d\n", item->gpr_a_id);
+       ice_info(hw, "gpr_b_ctrl = %d\n", item->gpr_b_ctrl);
+       ice_info(hw, "gpr_b_data_mdid = %d\n", item->gpr_b_data_mdid);
+       ice_info(hw, "gpr_b_data_start = %d\n", item->gpr_b_data_start);
+       ice_info(hw, "gpr_b_data_len = %d\n", item->gpr_b_data_len);
+       ice_info(hw, "gpr_b_id = %d\n", item->gpr_b_id);
+       ice_info(hw, "gpr_c_ctrl = %d\n", item->gpr_c_ctrl);
+       ice_info(hw, "gpr_c_data_mdid = %d\n", item->gpr_c_data_mdid);
+       ice_info(hw, "gpr_c_data_start = %d\n", item->gpr_c_data_start);
+       ice_info(hw, "gpr_c_data_len = %d\n", item->gpr_c_data_len);
+       ice_info(hw, "gpr_c_id = %d\n", item->gpr_c_id);
+       ice_info(hw, "gpr_d_ctrl = %d\n", item->gpr_d_ctrl);
+       ice_info(hw, "gpr_d_data_mdid = %d\n", item->gpr_d_data_mdid);
+       ice_info(hw, "gpr_d_data_start = %d\n", item->gpr_d_data_start);
+       ice_info(hw, "gpr_d_data_len = %d\n", item->gpr_d_data_len);
+       ice_info(hw, "gpr_d_id = %d\n", item->gpr_d_id);
+       ice_info(hw, "flags = 0x%016" PRIx64 "\n", item->flags);
+}
+
+/** The function parses a 192 bits Metadata Init entry with below format:
+ *  BIT 0-7:   TCAM Search Key Register (mi->tsr)
+ *  BIT 8-16:  Header Offset (mi->ho)
+ *  BIT 17-24: Program Counter (mi->pc)
+ *  BIT 25-35: Parse Graph Root Node (mi->pg_rn)
+ *  BIT 36-38: Control Domain (mi->cd)
+ *  BIT 39:    GPR_A Data Control (mi->gpr_a_ctrl)
+ *  BIT 40-44: GPR_A MDID.ID (mi->gpr_a_data_mdid)
+ *  BIT 45-48: GPR_A MDID.START (mi->gpr_a_data_start)
+ *  BIT 49-53: GPR_A MDID.LEN (mi->gpr_a_data_len)
+ *  BIT 54-55: reserved
+ *  BIT 56-59: GPR_A ID (mi->gpr_a_id)
+ *  BIT 60:    GPR_B Data Control (mi->gpr_b_ctrl)
+ *  BIT 61-65: GPR_B MDID.ID (mi->gpr_b_data_mdid)
+ *  BIT 66-69: GPR_B MDID.START (mi->gpr_b_data_start)
+ *  BIT 70-74: GPR_B MDID.LEN (mi->gpr_b_data_len)
+ *  BIT 75-76: reserved
+ *  BIT 77-80: GPR_B ID (mi->gpr_a_id)
+ *  BIT 81:    GPR_C Data Control (mi->gpr_c_ctrl)
+ *  BIT 82-86: GPR_C MDID.ID (mi->gpr_c_data_mdid)
+ *  BIT 87-90: GPR_C MDID.START (mi->gpr_c_data_start)
+ *  BIT 91-95: GPR_C MDID.LEN (mi->gpr_c_data_len)
+ *  BIT 96-97: reserved
+ *  BIT 98-101:        GPR_C ID (mi->gpr_c_id)
+ *  BIT 102:   GPR_D Data Control (mi->gpr_d_ctrl)
+ *  BIT 103-107:GPR_D MDID.ID (mi->gpr_d_data_mdid)
+ *  BIT 108-111:GPR_D MDID.START (mi->gpr_d_data_start)
+ *  BIT 112-116:GPR_D MDID.LEN (mi->gpr_d_data_len)
+ *  BIT 117-118:reserved
+ *  BIT 119-122:GPR_D ID (mi->gpr_d_id)
+ *  BIT 123-186:Flags (mi->flags)
+ *  BIT 187-191:rserved
+ */
+static void _metainit_parse_item(struct ice_hw *hw, u16 idx, void *item,
+                                void *data, int size)
+{
+       struct ice_metainit_item *mi = (struct ice_metainit_item *)item;
+       u8 *buf = (u8 *)data;
+       u64 d64;
+
+       mi->idx = idx;
+       d64 = *(u64 *)buf;
+
+       mi->tsr = (u8)(d64 & 0xff);
+       mi->ho = (u16)((d64 >> 8) & 0x1ff);
+       mi->pc = (u16)((d64 >> 17) & 0xff);
+       mi->pg_rn = (u16)((d64 >> 25) & 0x3ff);
+       mi->cd = (u16)((d64 >> 36) & 0x7);
+       mi->gpr_a_ctrl = ((d64 >> 39) & 0x1) != 0;
+       mi->gpr_a_data_mdid = (u8)((d64 >> 40) & 0x1f);
+       mi->gpr_a_data_start = (u8)((d64 >> 45) & 0xf);
+       mi->gpr_a_data_len = (u8)((d64 >> 49) & 0x1f);
+       mi->gpr_a_id = (u8)((d64 >> 56) & 0xf);
+
+       d64 = *(u64 *)&buf[7] >> 4;
+       mi->gpr_b_ctrl = (d64 & 0x1) != 0;
+       mi->gpr_b_data_mdid = (u8)((d64 >> 1) & 0x1f);
+       mi->gpr_b_data_start = (u8)((d64 >> 6) & 0xf);
+       mi->gpr_b_data_len = (u8)((d64 >> 10) & 0x1f);
+       mi->gpr_b_id = (u8)((d64 >> 17) & 0xf);
+
+       mi->gpr_c_ctrl = ((d64 >> 21) & 0x1) != 0;
+       mi->gpr_c_data_mdid = (u8)((d64 >> 22) & 0x1f);
+       mi->gpr_c_data_start = (u8)((d64 >> 27) & 0xf);
+       mi->gpr_c_data_len = (u8)((d64 >> 31) & 0x1f);
+       mi->gpr_c_id = (u8)((d64 >> 38) & 0xf);
+
+       mi->gpr_d_ctrl = ((d64 >> 42) & 0x1) != 0;
+       mi->gpr_d_data_mdid = (u8)((d64 >> 43) & 0x1f);
+       mi->gpr_d_data_start = (u8)((d64 >> 48) & 0xf);
+       mi->gpr_d_data_len = (u8)((d64 >> 52) & 0x1f);
+
+       d64 = *(u64 *)&buf[14] >> 7;
+       mi->gpr_d_id = (u8)(d64 & 0xf);
+
+       d64 = *(u64 *)&buf[15] >> 3;
+       mi->flags = d64;
+
+       d64 = ((*(u64 *)&buf[16] >> 56) & 0x7);
+       mi->flags |= (d64 << 61);
+
+       if (hw->debug_mask & ICE_DBG_PARSER)
+               ice_metainit_dump(hw, mi);
+}
+
+/**
+ * ice_metainit_table_get - create a metainit table
+ * @ice_hw: pointer to the hardware structure
+ */
+struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw)
+{
+       return (struct ice_metainit_item *)
+               ice_parser_create_table(hw, ICE_SID_RXPARSER_METADATA_INIT,
+                                       sizeof(struct ice_metainit_item),
+                                       ICE_METAINIT_TABLE_SIZE,
+                                       ice_parser_sect_item_get,
+                                       _metainit_parse_item);
+}

diff --git a/drivers/net/ice/base/ice_metainit.h b/drivers/net/ice/base/ice_metainit.h
new file mode 100644 (file)
index 0000000..d46f1d7
--- /dev/null
+++ b/drivers/net/ice/base/ice_metainit.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2021 Intel Corporation
+ */
+
+#ifndef _ICE_METAINIT_H_
+#define _ICE_METAINIT_H_
+
+struct ice_metainit_item {
+       u16 idx;
+
+       u8 tsr;
+       u16 ho;
+       u16 pc;
+       u16 pg_rn;
+       u8 cd;
+
+       bool gpr_a_ctrl;
+       u8 gpr_a_data_mdid;
+       u8 gpr_a_data_start;
+       u8 gpr_a_data_len;
+       u8 gpr_a_id;
+
+       bool gpr_b_ctrl;
+       u8 gpr_b_data_mdid;
+       u8 gpr_b_data_start;
+       u8 gpr_b_data_len;
+       u8 gpr_b_id;
+
+       bool gpr_c_ctrl;
+       u8 gpr_c_data_mdid;
+       u8 gpr_c_data_start;
+       u8 gpr_c_data_len;
+       u8 gpr_c_id;
+
+       bool gpr_d_ctrl;
+       u8 gpr_d_data_mdid;
+       u8 gpr_d_data_start;
+       u8 gpr_d_data_len;
+       u8 gpr_d_id;
+
+       u64 flags;
+};
+
+void ice_metainit_dump(struct ice_hw *hw, struct ice_metainit_item *item);
+struct ice_metainit_item *ice_metainit_table_get(struct ice_hw *hw);
+#endif /*_ICE_METAINIT_H_ */

diff --git a/drivers/net/ice/base/ice_parser.c b/drivers/net/ice/base/ice_parser.c
index 0e52fd1..0dd6bf1 100644 (file)
--- a/drivers/net/ice/base/ice_parser.c
+++ b/drivers/net/ice/base/ice_parser.c
@@ -5,8 +5,9 @@
 #include "ice_common.h"
 #include "ice_parser_util.h"
 
-#define ICE_SEC_DATA_OFFSET                    4
-#define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE       48
+#define ICE_SEC_DATA_OFFSET                            4
+#define ICE_SID_RXPARSER_IMEM_ENTRY_SIZE               48
+#define ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE      24
 
 /**
  * ice_parser_sect_item_get - parse a item from a section
@@ -29,6 +30,9 @@ void *ice_parser_sect_item_get(u32 sect_type, void *section,
        case ICE_SID_RXPARSER_IMEM:
                size = ICE_SID_RXPARSER_IMEM_ENTRY_SIZE;
                break;
+       case ICE_SID_RXPARSER_METADATA_INIT:
+               size = ICE_SID_RXPARSER_METADATA_INIT_ENTRY_SIZE;
+               break;
        default:
                return NULL;
        }
@@ -115,6 +119,12 @@ enum ice_status ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
                goto err;
        }
 
+       p->mi_table = ice_metainit_table_get(hw);
+       if (!p->mi_table) {
+               status = ICE_ERR_PARAM;
+               goto err;
+       }
+
        *psr = p;
        return ICE_SUCCESS;
 err:
@@ -129,6 +139,7 @@ err:
 void ice_parser_destroy(struct ice_parser *psr)
 {
        ice_free(psr->hw, psr->imem_table);
+       ice_free(psr->hw, psr->mi_table);
 
        ice_free(psr->hw, psr);
 }

diff --git a/drivers/net/ice/base/ice_parser.h b/drivers/net/ice/base/ice_parser.h
index 13dd83c..b7d0b23 100644 (file)
--- a/drivers/net/ice/base/ice_parser.h
+++ b/drivers/net/ice/base/ice_parser.h
@@ -10,6 +10,8 @@ struct ice_parser {
 
        /* load data from section ICE_SID_RX_PARSER_IMEM */
        struct ice_imem_item *imem_table;
+       /* load data from section ICE_SID_RXPARSER_METADATA_INIT */
+       struct ice_metainit_item *mi_table;
 };
 
 enum ice_status ice_parser_create(struct ice_hw *hw, struct ice_parser **psr);

diff --git a/drivers/net/ice/base/ice_parser_util.h b/drivers/net/ice/base/ice_parser_util.h
index 5941a29..e2054cb 100644 (file)
--- a/drivers/net/ice/base/ice_parser_util.h
+++ b/drivers/net/ice/base/ice_parser_util.h
@@ -6,6 +6,7 @@
 #define _ICE_PARSER_UTIL_H_
 
 #include "ice_imem.h"
+#include "ice_metainit.h"
 
 struct ice_pkg_sect_hdr {
        __le16 count;

diff --git a/drivers/net/ice/base/meson.build b/drivers/net/ice/base/meson.build
index 86ab12b..8e24837 100644 (file)
--- a/drivers/net/ice/base/meson.build
+++ b/drivers/net/ice/base/meson.build
@@ -17,6 +17,7 @@ sources = [
         'ice_ptp_hw.c',
         'ice_parser.c',
         'ice_imem.c',
+        'ice_metainit.c',
 ]
 
 error_cflags = [