diff mbox series

[03/20] net/ice/base: init metainit table for parser

Message ID 20210917110242.3127658-4-qi.z.zhang@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Qi Zhang
Headers
Series ice/base: add parser module |

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Qi Zhang Sept. 17, 2021, 11:02 a.m. UTC 
  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>
---
 drivers/net/ice/base/ice_metainit.c    | 143 +++++++++++++++++++++++++
 drivers/net/ice/base/ice_metainit.h    |  46 ++++++++
 drivers/net/ice/base/ice_parser.c      |  15 ++-
 drivers/net/ice/base/ice_parser.h      |   2 +
 drivers/net/ice/base/ice_parser_util.h |   1 +
 drivers/net/ice/base/meson.build       |   1 +
 6 files changed, 206 insertions(+), 2 deletions(-)
 create mode 100644 drivers/net/ice/base/ice_metainit.c
 create mode 100644 drivers/net/ice/base/ice_metainit.h
diff mbox series

Patch

diff --git a/drivers/net/ice/base/ice_metainit.c b/drivers/net/ice/base/ice_metainit.c
new file mode 100644
index 0000000000..5d49c6861d
--- /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
index 0000000000..d46f1d7b47
--- /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 6d9aaec911..c12301727d 100644
--- 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 @@  enum ice_status ice_parser_create(struct ice_hw *hw, struct ice_parser **psr)
 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 205a1345d4..c06f19daa1 100644
--- 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 5941a293e0..e2054cb7d4 100644
--- 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 d5170d972d..8b8efd815f 100644
--- 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 = [