diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_debug.c')
-rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_debug.c | 8712 |
1 files changed, 8712 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_debug.c b/drivers/net/ethernet/qlogic/qed/qed_debug.c new file mode 100644 index 000000000..cdcead614 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_debug.c @@ -0,0 +1,8712 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +/* QLogic qed NIC Driver + * Copyright (c) 2015 QLogic Corporation + * Copyright (c) 2019-2021 Marvell International Ltd. + */ + +#include <linux/module.h> +#include <linux/vmalloc.h> +#include <linux/crc32.h> +#include "qed.h" +#include "qed_cxt.h" +#include "qed_hsi.h" +#include "qed_dbg_hsi.h" +#include "qed_hw.h" +#include "qed_mcp.h" +#include "qed_reg_addr.h" + +/* Memory groups enum */ +enum mem_groups { + MEM_GROUP_PXP_MEM, + MEM_GROUP_DMAE_MEM, + MEM_GROUP_CM_MEM, + MEM_GROUP_QM_MEM, + MEM_GROUP_DORQ_MEM, + MEM_GROUP_BRB_RAM, + MEM_GROUP_BRB_MEM, + MEM_GROUP_PRS_MEM, + MEM_GROUP_SDM_MEM, + MEM_GROUP_PBUF, + MEM_GROUP_IOR, + MEM_GROUP_RAM, + MEM_GROUP_BTB_RAM, + MEM_GROUP_RDIF_CTX, + MEM_GROUP_TDIF_CTX, + MEM_GROUP_CFC_MEM, + MEM_GROUP_CONN_CFC_MEM, + MEM_GROUP_CAU_PI, + MEM_GROUP_CAU_MEM, + MEM_GROUP_CAU_MEM_EXT, + MEM_GROUP_PXP_ILT, + MEM_GROUP_MULD_MEM, + MEM_GROUP_BTB_MEM, + MEM_GROUP_IGU_MEM, + MEM_GROUP_IGU_MSIX, + MEM_GROUP_CAU_SB, + MEM_GROUP_BMB_RAM, + MEM_GROUP_BMB_MEM, + MEM_GROUP_TM_MEM, + MEM_GROUP_TASK_CFC_MEM, + MEM_GROUPS_NUM +}; + +/* Memory groups names */ +static const char * const s_mem_group_names[] = { + "PXP_MEM", + "DMAE_MEM", + "CM_MEM", + "QM_MEM", + "DORQ_MEM", + "BRB_RAM", + "BRB_MEM", + "PRS_MEM", + "SDM_MEM", + "PBUF", + "IOR", + "RAM", + "BTB_RAM", + "RDIF_CTX", + "TDIF_CTX", + "CFC_MEM", + "CONN_CFC_MEM", + "CAU_PI", + "CAU_MEM", + "CAU_MEM_EXT", + "PXP_ILT", + "MULD_MEM", + "BTB_MEM", + "IGU_MEM", + "IGU_MSIX", + "CAU_SB", + "BMB_RAM", + "BMB_MEM", + "TM_MEM", + "TASK_CFC_MEM", +}; + +/* Idle check conditions */ + +static u32 cond5(const u32 *r, const u32 *imm) +{ + return ((r[0] & imm[0]) != imm[1]) && ((r[1] & imm[2]) != imm[3]); +} + +static u32 cond7(const u32 *r, const u32 *imm) +{ + return ((r[0] >> imm[0]) & imm[1]) != imm[2]; +} + +static u32 cond6(const u32 *r, const u32 *imm) +{ + return (r[0] & imm[0]) != imm[1]; +} + +static u32 cond9(const u32 *r, const u32 *imm) +{ + return ((r[0] & imm[0]) >> imm[1]) != + (((r[0] & imm[2]) >> imm[3]) | ((r[1] & imm[4]) << imm[5])); +} + +static u32 cond10(const u32 *r, const u32 *imm) +{ + return ((r[0] & imm[0]) >> imm[1]) != (r[0] & imm[2]); +} + +static u32 cond4(const u32 *r, const u32 *imm) +{ + return (r[0] & ~imm[0]) != imm[1]; +} + +static u32 cond0(const u32 *r, const u32 *imm) +{ + return (r[0] & ~r[1]) != imm[0]; +} + +static u32 cond14(const u32 *r, const u32 *imm) +{ + return (r[0] | imm[0]) != imm[1]; +} + +static u32 cond1(const u32 *r, const u32 *imm) +{ + return r[0] != imm[0]; +} + +static u32 cond11(const u32 *r, const u32 *imm) +{ + return r[0] != r[1] && r[2] == imm[0]; +} + +static u32 cond12(const u32 *r, const u32 *imm) +{ + return r[0] != r[1] && r[2] > imm[0]; +} + +static u32 cond3(const u32 *r, const u32 *imm) +{ + return r[0] != r[1]; +} + +static u32 cond13(const u32 *r, const u32 *imm) +{ + return r[0] & imm[0]; +} + +static u32 cond8(const u32 *r, const u32 *imm) +{ + return r[0] < (r[1] - imm[0]); +} + +static u32 cond2(const u32 *r, const u32 *imm) +{ + return r[0] > imm[0]; +} + +/* Array of Idle Check conditions */ +static u32(*cond_arr[]) (const u32 *r, const u32 *imm) = { + cond0, + cond1, + cond2, + cond3, + cond4, + cond5, + cond6, + cond7, + cond8, + cond9, + cond10, + cond11, + cond12, + cond13, + cond14, +}; + +#define NUM_PHYS_BLOCKS 84 + +#define NUM_DBG_RESET_REGS 8 + +/******************************* Data Types **********************************/ + +enum hw_types { + HW_TYPE_ASIC, + PLATFORM_RESERVED, + PLATFORM_RESERVED2, + PLATFORM_RESERVED3, + PLATFORM_RESERVED4, + MAX_HW_TYPES +}; + +/* CM context types */ +enum cm_ctx_types { + CM_CTX_CONN_AG, + CM_CTX_CONN_ST, + CM_CTX_TASK_AG, + CM_CTX_TASK_ST, + NUM_CM_CTX_TYPES +}; + +/* Debug bus frame modes */ +enum dbg_bus_frame_modes { + DBG_BUS_FRAME_MODE_4ST = 0, /* 4 Storm dwords (no HW) */ + DBG_BUS_FRAME_MODE_2ST_2HW = 1, /* 2 Storm dwords, 2 HW dwords */ + DBG_BUS_FRAME_MODE_1ST_3HW = 2, /* 1 Storm dwords, 3 HW dwords */ + DBG_BUS_FRAME_MODE_4HW = 3, /* 4 HW dwords (no Storms) */ + DBG_BUS_FRAME_MODE_8HW = 4, /* 8 HW dwords (no Storms) */ + DBG_BUS_NUM_FRAME_MODES +}; + +/* Debug bus SEMI frame modes */ +enum dbg_bus_semi_frame_modes { + DBG_BUS_SEMI_FRAME_MODE_4FAST = 0, /* 4 fast dw */ + DBG_BUS_SEMI_FRAME_MODE_2FAST_2SLOW = 1, /* 2 fast dw, 2 slow dw */ + DBG_BUS_SEMI_FRAME_MODE_1FAST_3SLOW = 2, /* 1 fast dw,3 slow dw */ + DBG_BUS_SEMI_FRAME_MODE_4SLOW = 3, /* 4 slow dw */ + DBG_BUS_SEMI_NUM_FRAME_MODES +}; + +/* Debug bus filter types */ +enum dbg_bus_filter_types { + DBG_BUS_FILTER_TYPE_OFF, /* Filter always off */ + DBG_BUS_FILTER_TYPE_PRE, /* Filter before trigger only */ + DBG_BUS_FILTER_TYPE_POST, /* Filter after trigger only */ + DBG_BUS_FILTER_TYPE_ON /* Filter always on */ +}; + +/* Debug bus pre-trigger recording types */ +enum dbg_bus_pre_trigger_types { + DBG_BUS_PRE_TRIGGER_FROM_ZERO, /* Record from time 0 */ + DBG_BUS_PRE_TRIGGER_NUM_CHUNKS, /* Record some chunks before trigger */ + DBG_BUS_PRE_TRIGGER_DROP /* Drop data before trigger */ +}; + +/* Debug bus post-trigger recording types */ +enum dbg_bus_post_trigger_types { + DBG_BUS_POST_TRIGGER_RECORD, /* Start recording after trigger */ + DBG_BUS_POST_TRIGGER_DROP /* Drop data after trigger */ +}; + +/* Debug bus other engine mode */ +enum dbg_bus_other_engine_modes { + DBG_BUS_OTHER_ENGINE_MODE_NONE, + DBG_BUS_OTHER_ENGINE_MODE_DOUBLE_BW_TX, + DBG_BUS_OTHER_ENGINE_MODE_DOUBLE_BW_RX, + DBG_BUS_OTHER_ENGINE_MODE_CROSS_ENGINE_TX, + DBG_BUS_OTHER_ENGINE_MODE_CROSS_ENGINE_RX +}; + +/* DBG block Framing mode definitions */ +struct framing_mode_defs { + u8 id; + u8 blocks_dword_mask; + u8 storms_dword_mask; + u8 semi_framing_mode_id; + u8 full_buf_thr; +}; + +/* Chip constant definitions */ +struct chip_defs { + const char *name; + u8 dwords_per_cycle; + u8 num_framing_modes; + u32 num_ilt_pages; + struct framing_mode_defs *framing_modes; +}; + +/* HW type constant definitions */ +struct hw_type_defs { + const char *name; + u32 delay_factor; + u32 dmae_thresh; + u32 log_thresh; +}; + +/* RBC reset definitions */ +struct rbc_reset_defs { + u32 reset_reg_addr; + u32 reset_val[MAX_CHIP_IDS]; +}; + +/* Storm constant definitions. + * Addresses are in bytes, sizes are in quad-regs. + */ +struct storm_defs { + char letter; + enum block_id sem_block_id; + enum dbg_bus_clients dbg_client_id[MAX_CHIP_IDS]; + bool has_vfc; + u32 sem_fast_mem_addr; + u32 sem_frame_mode_addr; + u32 sem_slow_enable_addr; + u32 sem_slow_mode_addr; + u32 sem_slow_mode1_conf_addr; + u32 sem_sync_dbg_empty_addr; + u32 sem_gpre_vect_addr; + u32 cm_ctx_wr_addr; + u32 cm_ctx_rd_addr[NUM_CM_CTX_TYPES]; + u32 cm_ctx_lid_sizes[MAX_CHIP_IDS][NUM_CM_CTX_TYPES]; +}; + +/* Debug Bus Constraint operation constant definitions */ +struct dbg_bus_constraint_op_defs { + u8 hw_op_val; + bool is_cyclic; +}; + +/* Storm Mode definitions */ +struct storm_mode_defs { + const char *name; + bool is_fast_dbg; + u8 id_in_hw; + u32 src_disable_reg_addr; + u32 src_enable_val; + bool exists[MAX_CHIP_IDS]; +}; + +struct grc_param_defs { + u32 default_val[MAX_CHIP_IDS]; + u32 min; + u32 max; + bool is_preset; + bool is_persistent; + u32 exclude_all_preset_val; + u32 crash_preset_val[MAX_CHIP_IDS]; +}; + +/* Address is in 128b units. Width is in bits. */ +struct rss_mem_defs { + const char *mem_name; + const char *type_name; + u32 addr; + u32 entry_width; + u32 num_entries[MAX_CHIP_IDS]; +}; + +struct vfc_ram_defs { + const char *mem_name; + const char *type_name; + u32 base_row; + u32 num_rows; +}; + +struct big_ram_defs { + const char *instance_name; + enum mem_groups mem_group_id; + enum mem_groups ram_mem_group_id; + enum dbg_grc_params grc_param; + u32 addr_reg_addr; + u32 data_reg_addr; + u32 is_256b_reg_addr; + u32 is_256b_bit_offset[MAX_CHIP_IDS]; + u32 ram_size[MAX_CHIP_IDS]; /* In dwords */ +}; + +struct phy_defs { + const char *phy_name; + + /* PHY base GRC address */ + u32 base_addr; + + /* Relative address of indirect TBUS address register (bits 0..7) */ + u32 tbus_addr_lo_addr; + + /* Relative address of indirect TBUS address register (bits 8..10) */ + u32 tbus_addr_hi_addr; + + /* Relative address of indirect TBUS data register (bits 0..7) */ + u32 tbus_data_lo_addr; + + /* Relative address of indirect TBUS data register (bits 8..11) */ + u32 tbus_data_hi_addr; +}; + +/* Split type definitions */ +struct split_type_defs { + const char *name; +}; + +/******************************** Constants **********************************/ + +#define BYTES_IN_DWORD sizeof(u32) +/* In the macros below, size and offset are specified in bits */ +#define CEIL_DWORDS(size) DIV_ROUND_UP(size, 32) +#define FIELD_BIT_OFFSET(type, field) type ## _ ## field ## _ ## OFFSET +#define FIELD_BIT_SIZE(type, field) type ## _ ## field ## _ ## SIZE +#define FIELD_DWORD_OFFSET(type, field) \ + ((int)(FIELD_BIT_OFFSET(type, field) / 32)) +#define FIELD_DWORD_SHIFT(type, field) (FIELD_BIT_OFFSET(type, field) % 32) +#define FIELD_BIT_MASK(type, field) \ + (((1 << FIELD_BIT_SIZE(type, field)) - 1) << \ + FIELD_DWORD_SHIFT(type, field)) + +#define SET_VAR_FIELD(var, type, field, val) \ + do { \ + var[FIELD_DWORD_OFFSET(type, field)] &= \ + (~FIELD_BIT_MASK(type, field)); \ + var[FIELD_DWORD_OFFSET(type, field)] |= \ + (val) << FIELD_DWORD_SHIFT(type, field); \ + } while (0) + +#define ARR_REG_WR(dev, ptt, addr, arr, arr_size) \ + do { \ + for (i = 0; i < (arr_size); i++) \ + qed_wr(dev, ptt, addr, (arr)[i]); \ + } while (0) + +#define DWORDS_TO_BYTES(dwords) ((dwords) * BYTES_IN_DWORD) +#define BYTES_TO_DWORDS(bytes) ((bytes) / BYTES_IN_DWORD) + +/* extra lines include a signature line + optional latency events line */ +#define NUM_EXTRA_DBG_LINES(block) \ + (GET_FIELD((block)->flags, DBG_BLOCK_CHIP_HAS_LATENCY_EVENTS) ? 2 : 1) +#define NUM_DBG_LINES(block) \ + ((block)->num_of_dbg_bus_lines + NUM_EXTRA_DBG_LINES(block)) + +#define USE_DMAE true +#define PROTECT_WIDE_BUS true + +#define RAM_LINES_TO_DWORDS(lines) ((lines) * 2) +#define RAM_LINES_TO_BYTES(lines) \ + DWORDS_TO_BYTES(RAM_LINES_TO_DWORDS(lines)) + +#define REG_DUMP_LEN_SHIFT 24 +#define MEM_DUMP_ENTRY_SIZE_DWORDS \ + BYTES_TO_DWORDS(sizeof(struct dbg_dump_mem)) + +#define IDLE_CHK_RULE_SIZE_DWORDS \ + BYTES_TO_DWORDS(sizeof(struct dbg_idle_chk_rule)) + +#define IDLE_CHK_RESULT_HDR_DWORDS \ + BYTES_TO_DWORDS(sizeof(struct dbg_idle_chk_result_hdr)) + +#define IDLE_CHK_RESULT_REG_HDR_DWORDS \ + BYTES_TO_DWORDS(sizeof(struct dbg_idle_chk_result_reg_hdr)) + +#define PAGE_MEM_DESC_SIZE_DWORDS \ + BYTES_TO_DWORDS(sizeof(struct phys_mem_desc)) + +#define IDLE_CHK_MAX_ENTRIES_SIZE 32 + +/* The sizes and offsets below are specified in bits */ +#define VFC_CAM_CMD_STRUCT_SIZE 64 +#define VFC_CAM_CMD_ROW_OFFSET 48 +#define VFC_CAM_CMD_ROW_SIZE 9 +#define VFC_CAM_ADDR_STRUCT_SIZE 16 +#define VFC_CAM_ADDR_OP_OFFSET 0 +#define VFC_CAM_ADDR_OP_SIZE 4 +#define VFC_CAM_RESP_STRUCT_SIZE 256 +#define VFC_RAM_ADDR_STRUCT_SIZE 16 +#define VFC_RAM_ADDR_OP_OFFSET 0 +#define VFC_RAM_ADDR_OP_SIZE 2 +#define VFC_RAM_ADDR_ROW_OFFSET 2 +#define VFC_RAM_ADDR_ROW_SIZE 10 +#define VFC_RAM_RESP_STRUCT_SIZE 256 + +#define VFC_CAM_CMD_DWORDS CEIL_DWORDS(VFC_CAM_CMD_STRUCT_SIZE) +#define VFC_CAM_ADDR_DWORDS CEIL_DWORDS(VFC_CAM_ADDR_STRUCT_SIZE) +#define VFC_CAM_RESP_DWORDS CEIL_DWORDS(VFC_CAM_RESP_STRUCT_SIZE) +#define VFC_RAM_CMD_DWORDS VFC_CAM_CMD_DWORDS +#define VFC_RAM_ADDR_DWORDS CEIL_DWORDS(VFC_RAM_ADDR_STRUCT_SIZE) +#define VFC_RAM_RESP_DWORDS CEIL_DWORDS(VFC_RAM_RESP_STRUCT_SIZE) + +#define NUM_VFC_RAM_TYPES 4 + +#define VFC_CAM_NUM_ROWS 512 + +#define VFC_OPCODE_CAM_RD 14 +#define VFC_OPCODE_RAM_RD 0 + +#define NUM_RSS_MEM_TYPES 5 + +#define NUM_BIG_RAM_TYPES 3 +#define BIG_RAM_NAME_LEN 3 + +#define NUM_PHY_TBUS_ADDRESSES 2048 +#define PHY_DUMP_SIZE_DWORDS (NUM_PHY_TBUS_ADDRESSES / 2) + +#define RESET_REG_UNRESET_OFFSET 4 + +#define STALL_DELAY_MS 500 + +#define STATIC_DEBUG_LINE_DWORDS 9 + +#define NUM_COMMON_GLOBAL_PARAMS 10 + +#define MAX_RECURSION_DEPTH 10 + +#define FW_IMG_KUKU 0 +#define FW_IMG_MAIN 1 +#define FW_IMG_L2B 2 + +#define REG_FIFO_ELEMENT_DWORDS 2 +#define REG_FIFO_DEPTH_ELEMENTS 32 +#define REG_FIFO_DEPTH_DWORDS \ + (REG_FIFO_ELEMENT_DWORDS * REG_FIFO_DEPTH_ELEMENTS) + +#define IGU_FIFO_ELEMENT_DWORDS 4 +#define IGU_FIFO_DEPTH_ELEMENTS 64 +#define IGU_FIFO_DEPTH_DWORDS \ + (IGU_FIFO_ELEMENT_DWORDS * IGU_FIFO_DEPTH_ELEMENTS) + +#define PROTECTION_OVERRIDE_ELEMENT_DWORDS 2 +#define PROTECTION_OVERRIDE_DEPTH_ELEMENTS 20 +#define PROTECTION_OVERRIDE_DEPTH_DWORDS \ + (PROTECTION_OVERRIDE_DEPTH_ELEMENTS * \ + PROTECTION_OVERRIDE_ELEMENT_DWORDS) + +#define MCP_SPAD_TRACE_OFFSIZE_ADDR \ + (MCP_REG_SCRATCH + \ + offsetof(struct static_init, sections[SPAD_SECTION_TRACE])) + +#define MAX_SW_PLTAFORM_STR_SIZE 64 + +#define EMPTY_FW_VERSION_STR "???_???_???_???" +#define EMPTY_FW_IMAGE_STR "???????????????" + +/***************************** Constant Arrays *******************************/ + +/* DBG block framing mode definitions, in descending preference order */ +static struct framing_mode_defs s_framing_mode_defs[4] = { + {DBG_BUS_FRAME_MODE_4ST, 0x0, 0xf, + DBG_BUS_SEMI_FRAME_MODE_4FAST, + 10}, + {DBG_BUS_FRAME_MODE_4HW, 0xf, 0x0, DBG_BUS_SEMI_FRAME_MODE_4SLOW, + 10}, + {DBG_BUS_FRAME_MODE_2ST_2HW, 0x3, 0xc, + DBG_BUS_SEMI_FRAME_MODE_2FAST_2SLOW, 10}, + {DBG_BUS_FRAME_MODE_1ST_3HW, 0x7, 0x8, + DBG_BUS_SEMI_FRAME_MODE_1FAST_3SLOW, 10} +}; + +/* Chip constant definitions array */ +static struct chip_defs s_chip_defs[MAX_CHIP_IDS] = { + {"bb", 4, DBG_BUS_NUM_FRAME_MODES, PSWRQ2_REG_ILT_MEMORY_SIZE_BB / 2, + s_framing_mode_defs}, + {"ah", 4, DBG_BUS_NUM_FRAME_MODES, PSWRQ2_REG_ILT_MEMORY_SIZE_K2 / 2, + s_framing_mode_defs} +}; + +/* Storm constant definitions array */ +static struct storm_defs s_storm_defs[] = { + /* Tstorm */ + {'T', BLOCK_TSEM, + {DBG_BUS_CLIENT_RBCT, DBG_BUS_CLIENT_RBCT}, + true, + TSEM_REG_FAST_MEMORY, + TSEM_REG_DBG_FRAME_MODE, TSEM_REG_SLOW_DBG_ACTIVE, + TSEM_REG_SLOW_DBG_MODE, TSEM_REG_DBG_MODE1_CFG, + TSEM_REG_SYNC_DBG_EMPTY, TSEM_REG_DBG_GPRE_VECT, + TCM_REG_CTX_RBC_ACCS, + {TCM_REG_AGG_CON_CTX, TCM_REG_SM_CON_CTX, TCM_REG_AGG_TASK_CTX, + TCM_REG_SM_TASK_CTX}, + {{4, 16, 2, 4}, {4, 16, 2, 4}} /* {bb} {k2} */ + }, + + /* Mstorm */ + {'M', BLOCK_MSEM, + {DBG_BUS_CLIENT_RBCT, DBG_BUS_CLIENT_RBCM}, + false, + MSEM_REG_FAST_MEMORY, + MSEM_REG_DBG_FRAME_MODE, + MSEM_REG_SLOW_DBG_ACTIVE, + MSEM_REG_SLOW_DBG_MODE, + MSEM_REG_DBG_MODE1_CFG, + MSEM_REG_SYNC_DBG_EMPTY, + MSEM_REG_DBG_GPRE_VECT, + MCM_REG_CTX_RBC_ACCS, + {MCM_REG_AGG_CON_CTX, MCM_REG_SM_CON_CTX, MCM_REG_AGG_TASK_CTX, + MCM_REG_SM_TASK_CTX }, + {{1, 10, 2, 7}, {1, 10, 2, 7}} /* {bb} {k2}*/ + }, + + /* Ustorm */ + {'U', BLOCK_USEM, + {DBG_BUS_CLIENT_RBCU, DBG_BUS_CLIENT_RBCU}, + false, + USEM_REG_FAST_MEMORY, + USEM_REG_DBG_FRAME_MODE, + USEM_REG_SLOW_DBG_ACTIVE, + USEM_REG_SLOW_DBG_MODE, + USEM_REG_DBG_MODE1_CFG, + USEM_REG_SYNC_DBG_EMPTY, + USEM_REG_DBG_GPRE_VECT, + UCM_REG_CTX_RBC_ACCS, + {UCM_REG_AGG_CON_CTX, UCM_REG_SM_CON_CTX, UCM_REG_AGG_TASK_CTX, + UCM_REG_SM_TASK_CTX}, + {{2, 13, 3, 3}, {2, 13, 3, 3}} /* {bb} {k2} */ + }, + + /* Xstorm */ + {'X', BLOCK_XSEM, + {DBG_BUS_CLIENT_RBCX, DBG_BUS_CLIENT_RBCX}, + false, + XSEM_REG_FAST_MEMORY, + XSEM_REG_DBG_FRAME_MODE, + XSEM_REG_SLOW_DBG_ACTIVE, + XSEM_REG_SLOW_DBG_MODE, + XSEM_REG_DBG_MODE1_CFG, + XSEM_REG_SYNC_DBG_EMPTY, + XSEM_REG_DBG_GPRE_VECT, + XCM_REG_CTX_RBC_ACCS, + {XCM_REG_AGG_CON_CTX, XCM_REG_SM_CON_CTX, 0, 0}, + {{9, 15, 0, 0}, {9, 15, 0, 0}} /* {bb} {k2} */ + }, + + /* Ystorm */ + {'Y', BLOCK_YSEM, + {DBG_BUS_CLIENT_RBCX, DBG_BUS_CLIENT_RBCY}, + false, + YSEM_REG_FAST_MEMORY, + YSEM_REG_DBG_FRAME_MODE, + YSEM_REG_SLOW_DBG_ACTIVE, + YSEM_REG_SLOW_DBG_MODE, + YSEM_REG_DBG_MODE1_CFG, + YSEM_REG_SYNC_DBG_EMPTY, + YSEM_REG_DBG_GPRE_VECT, + YCM_REG_CTX_RBC_ACCS, + {YCM_REG_AGG_CON_CTX, YCM_REG_SM_CON_CTX, YCM_REG_AGG_TASK_CTX, + YCM_REG_SM_TASK_CTX}, + {{2, 3, 2, 12}, {2, 3, 2, 12}} /* {bb} {k2} */ + }, + + /* Pstorm */ + {'P', BLOCK_PSEM, + {DBG_BUS_CLIENT_RBCS, DBG_BUS_CLIENT_RBCS}, + true, + PSEM_REG_FAST_MEMORY, + PSEM_REG_DBG_FRAME_MODE, + PSEM_REG_SLOW_DBG_ACTIVE, + PSEM_REG_SLOW_DBG_MODE, + PSEM_REG_DBG_MODE1_CFG, + PSEM_REG_SYNC_DBG_EMPTY, + PSEM_REG_DBG_GPRE_VECT, + PCM_REG_CTX_RBC_ACCS, + {0, PCM_REG_SM_CON_CTX, 0, 0}, + {{0, 10, 0, 0}, {0, 10, 0, 0}} /* {bb} {k2} */ + }, +}; + +static struct hw_type_defs s_hw_type_defs[] = { + /* HW_TYPE_ASIC */ + {"asic", 1, 256, 32768}, + {"reserved", 0, 0, 0}, + {"reserved2", 0, 0, 0}, + {"reserved3", 0, 0, 0}, + {"reserved4", 0, 0, 0} +}; + +static struct grc_param_defs s_grc_param_defs[] = { + /* DBG_GRC_PARAM_DUMP_TSTORM */ + {{1, 1}, 0, 1, false, false, 1, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_MSTORM */ + {{1, 1}, 0, 1, false, false, 1, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_USTORM */ + {{1, 1}, 0, 1, false, false, 1, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_XSTORM */ + {{1, 1}, 0, 1, false, false, 1, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_YSTORM */ + {{1, 1}, 0, 1, false, false, 1, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_PSTORM */ + {{1, 1}, 0, 1, false, false, 1, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_REGS */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_RAM */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_PBUF */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_IOR */ + {{0, 0}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_VFC */ + {{0, 0}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_CM_CTX */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_ILT */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_RSS */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_CAU */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_QM */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_MCP */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_DORQ */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_CFC */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_IGU */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_BRB */ + {{0, 0}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_BTB */ + {{0, 0}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_BMB */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_RESERVED1 */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_DUMP_MULD */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_PRS */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_DMAE */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_TM */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_SDM */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_DIF */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_STATIC */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_UNSTALL */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_RESERVED2 */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_MCP_TRACE_META_SIZE */ + {{0, 0}, 1, 0xffffffff, false, true, 0, {0, 0}}, + + /* DBG_GRC_PARAM_EXCLUDE_ALL */ + {{0, 0}, 0, 1, true, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_CRASH */ + {{0, 0}, 0, 1, true, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_PARITY_SAFE */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_DUMP_CM */ + {{1, 1}, 0, 1, false, false, 0, {1, 1}}, + + /* DBG_GRC_PARAM_DUMP_PHY */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_NO_MCP */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_NO_FW_VER */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_RESERVED3 */ + {{0, 0}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_DUMP_MCP_HW_DUMP */ + {{0, 1}, 0, 1, false, false, 0, {0, 1}}, + + /* DBG_GRC_PARAM_DUMP_ILT_CDUC */ + {{1, 1}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_DUMP_ILT_CDUT */ + {{1, 1}, 0, 1, false, false, 0, {0, 0}}, + + /* DBG_GRC_PARAM_DUMP_CAU_EXT */ + {{0, 0}, 0, 1, false, false, 0, {1, 1}} +}; + +static struct rss_mem_defs s_rss_mem_defs[] = { + {"rss_mem_cid", "rss_cid", 0, 32, + {256, 320}}, + + {"rss_mem_key_msb", "rss_key", 1024, 256, + {128, 208}}, + + {"rss_mem_key_lsb", "rss_key", 2048, 64, + {128, 208}}, + + {"rss_mem_info", "rss_info", 3072, 16, + {128, 208}}, + + {"rss_mem_ind", "rss_ind", 4096, 16, + {16384, 26624}} +}; + +static struct vfc_ram_defs s_vfc_ram_defs[] = { + {"vfc_ram_tt1", "vfc_ram", 0, 512}, + {"vfc_ram_mtt2", "vfc_ram", 512, 128}, + {"vfc_ram_stt2", "vfc_ram", 640, 32}, + {"vfc_ram_ro_vect", "vfc_ram", 672, 32} +}; + +static struct big_ram_defs s_big_ram_defs[] = { + {"BRB", MEM_GROUP_BRB_MEM, MEM_GROUP_BRB_RAM, DBG_GRC_PARAM_DUMP_BRB, + BRB_REG_BIG_RAM_ADDRESS, BRB_REG_BIG_RAM_DATA, + MISC_REG_BLOCK_256B_EN, {0, 0}, + {153600, 180224}}, + + {"BTB", MEM_GROUP_BTB_MEM, MEM_GROUP_BTB_RAM, DBG_GRC_PARAM_DUMP_BTB, + BTB_REG_BIG_RAM_ADDRESS, BTB_REG_BIG_RAM_DATA, + MISC_REG_BLOCK_256B_EN, {0, 1}, + {92160, 117760}}, + + {"BMB", MEM_GROUP_BMB_MEM, MEM_GROUP_BMB_RAM, DBG_GRC_PARAM_DUMP_BMB, + BMB_REG_BIG_RAM_ADDRESS, BMB_REG_BIG_RAM_DATA, + MISCS_REG_BLOCK_256B_EN, {0, 0}, + {36864, 36864}} +}; + +static struct rbc_reset_defs s_rbc_reset_defs[] = { + {MISCS_REG_RESET_PL_HV, + {0x0, 0x400}}, + {MISC_REG_RESET_PL_PDA_VMAIN_1, + {0x4404040, 0x4404040}}, + {MISC_REG_RESET_PL_PDA_VMAIN_2, + {0x7, 0x7c00007}}, + {MISC_REG_RESET_PL_PDA_VAUX, + {0x2, 0x2}}, +}; + +static struct phy_defs s_phy_defs[] = { + {"nw_phy", NWS_REG_NWS_CMU_K2, + PHY_NW_IP_REG_PHY0_TOP_TBUS_ADDR_7_0_K2, + PHY_NW_IP_REG_PHY0_TOP_TBUS_ADDR_15_8_K2, + PHY_NW_IP_REG_PHY0_TOP_TBUS_DATA_7_0_K2, + PHY_NW_IP_REG_PHY0_TOP_TBUS_DATA_11_8_K2}, + {"sgmii_phy", MS_REG_MS_CMU_K2, + PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X132_K2, + PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X133_K2, + PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X130_K2, + PHY_SGMII_IP_REG_AHB_CMU_CSR_0_X131_K2}, + {"pcie_phy0", PHY_PCIE_REG_PHY0_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X132_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X133_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X130_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X131_K2}, + {"pcie_phy1", PHY_PCIE_REG_PHY1_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X132_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X133_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X130_K2, + PHY_PCIE_IP_REG_AHB_CMU_CSR_0_X131_K2}, +}; + +static struct split_type_defs s_split_type_defs[] = { + /* SPLIT_TYPE_NONE */ + {"eng"}, + + /* SPLIT_TYPE_PORT */ + {"port"}, + + /* SPLIT_TYPE_PF */ + {"pf"}, + + /* SPLIT_TYPE_PORT_PF */ + {"port"}, + + /* SPLIT_TYPE_VF */ + {"vf"} +}; + +/******************************** Variables **********************************/ + +/* The version of the calling app */ +static u32 s_app_ver; + +/**************************** Private Functions ******************************/ + +static void qed_static_asserts(void) +{ +} + +/* Reads and returns a single dword from the specified unaligned buffer */ +static u32 qed_read_unaligned_dword(u8 *buf) +{ + u32 dword; + + memcpy((u8 *)&dword, buf, sizeof(dword)); + return dword; +} + +/* Sets the value of the specified GRC param */ +static void qed_grc_set_param(struct qed_hwfn *p_hwfn, + enum dbg_grc_params grc_param, u32 val) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + + dev_data->grc.param_val[grc_param] = val; +} + +/* Returns the value of the specified GRC param */ +static u32 qed_grc_get_param(struct qed_hwfn *p_hwfn, + enum dbg_grc_params grc_param) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + + return dev_data->grc.param_val[grc_param]; +} + +/* Initializes the GRC parameters */ +static void qed_dbg_grc_init_params(struct qed_hwfn *p_hwfn) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + + if (!dev_data->grc.params_initialized) { + qed_dbg_grc_set_params_default(p_hwfn); + dev_data->grc.params_initialized = 1; + } +} + +/* Sets pointer and size for the specified binary buffer type */ +static void qed_set_dbg_bin_buf(struct qed_hwfn *p_hwfn, + enum bin_dbg_buffer_type buf_type, + const u32 *ptr, u32 size) +{ + struct virt_mem_desc *buf = &p_hwfn->dbg_arrays[buf_type]; + + buf->ptr = (void *)ptr; + buf->size = size; +} + +/* Initializes debug data for the specified device */ +static enum dbg_status qed_dbg_dev_init(struct qed_hwfn *p_hwfn) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u8 num_pfs = 0, max_pfs_per_port = 0; + + if (dev_data->initialized) + return DBG_STATUS_OK; + + if (!s_app_ver) + return DBG_STATUS_APP_VERSION_NOT_SET; + + /* Set chip */ + if (QED_IS_K2(p_hwfn->cdev)) { + dev_data->chip_id = CHIP_K2; + dev_data->mode_enable[MODE_K2] = 1; + dev_data->num_vfs = MAX_NUM_VFS_K2; + num_pfs = MAX_NUM_PFS_K2; + max_pfs_per_port = MAX_NUM_PFS_K2 / 2; + } else if (QED_IS_BB_B0(p_hwfn->cdev)) { + dev_data->chip_id = CHIP_BB; + dev_data->mode_enable[MODE_BB] = 1; + dev_data->num_vfs = MAX_NUM_VFS_BB; + num_pfs = MAX_NUM_PFS_BB; + max_pfs_per_port = MAX_NUM_PFS_BB; + } else { + return DBG_STATUS_UNKNOWN_CHIP; + } + + /* Set HW type */ + dev_data->hw_type = HW_TYPE_ASIC; + dev_data->mode_enable[MODE_ASIC] = 1; + + /* Set port mode */ + switch (p_hwfn->cdev->num_ports_in_engine) { + case 1: + dev_data->mode_enable[MODE_PORTS_PER_ENG_1] = 1; + break; + case 2: + dev_data->mode_enable[MODE_PORTS_PER_ENG_2] = 1; + break; + case 4: + dev_data->mode_enable[MODE_PORTS_PER_ENG_4] = 1; + break; + } + + /* Set 100G mode */ + if (QED_IS_CMT(p_hwfn->cdev)) + dev_data->mode_enable[MODE_100G] = 1; + + /* Set number of ports */ + if (dev_data->mode_enable[MODE_PORTS_PER_ENG_1] || + dev_data->mode_enable[MODE_100G]) + dev_data->num_ports = 1; + else if (dev_data->mode_enable[MODE_PORTS_PER_ENG_2]) + dev_data->num_ports = 2; + else if (dev_data->mode_enable[MODE_PORTS_PER_ENG_4]) + dev_data->num_ports = 4; + + /* Set number of PFs per port */ + dev_data->num_pfs_per_port = min_t(u32, + num_pfs / dev_data->num_ports, + max_pfs_per_port); + + /* Initializes the GRC parameters */ + qed_dbg_grc_init_params(p_hwfn); + + dev_data->use_dmae = true; + dev_data->initialized = 1; + + return DBG_STATUS_OK; +} + +static const struct dbg_block *get_dbg_block(struct qed_hwfn *p_hwfn, + enum block_id block_id) +{ + const struct dbg_block *dbg_block; + + dbg_block = p_hwfn->dbg_arrays[BIN_BUF_DBG_BLOCKS].ptr; + return dbg_block + block_id; +} + +static const struct dbg_block_chip *qed_get_dbg_block_per_chip(struct qed_hwfn + *p_hwfn, + enum block_id + block_id) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + + return (const struct dbg_block_chip *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_BLOCKS_CHIP_DATA].ptr + + block_id * MAX_CHIP_IDS + dev_data->chip_id; +} + +static const struct dbg_reset_reg *qed_get_dbg_reset_reg(struct qed_hwfn + *p_hwfn, + u8 reset_reg_id) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + + return (const struct dbg_reset_reg *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_RESET_REGS].ptr + + reset_reg_id * MAX_CHIP_IDS + dev_data->chip_id; +} + +/* Reads the FW info structure for the specified Storm from the chip, + * and writes it to the specified fw_info pointer. + */ +static void qed_read_storm_fw_info(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u8 storm_id, struct fw_info *fw_info) +{ + struct storm_defs *storm = &s_storm_defs[storm_id]; + struct fw_info_location fw_info_location; + u32 addr, i, size, *dest; + + memset(&fw_info_location, 0, sizeof(fw_info_location)); + memset(fw_info, 0, sizeof(*fw_info)); + + /* Read first the address that points to fw_info location. + * The address is located in the last line of the Storm RAM. + */ + addr = storm->sem_fast_mem_addr + SEM_FAST_REG_INT_RAM + + DWORDS_TO_BYTES(SEM_FAST_REG_INT_RAM_SIZE) - + sizeof(fw_info_location); + + dest = (u32 *)&fw_info_location; + size = BYTES_TO_DWORDS(sizeof(fw_info_location)); + + for (i = 0; i < size; i++, addr += BYTES_IN_DWORD) + dest[i] = qed_rd(p_hwfn, p_ptt, addr); + + /* Read FW version info from Storm RAM */ + size = le32_to_cpu(fw_info_location.size); + if (!size || size > sizeof(*fw_info)) + return; + + addr = le32_to_cpu(fw_info_location.grc_addr); + dest = (u32 *)fw_info; + size = BYTES_TO_DWORDS(size); + + for (i = 0; i < size; i++, addr += BYTES_IN_DWORD) + dest[i] = qed_rd(p_hwfn, p_ptt, addr); +} + +/* Dumps the specified string to the specified buffer. + * Returns the dumped size in bytes. + */ +static u32 qed_dump_str(char *dump_buf, bool dump, const char *str) +{ + if (dump) + strcpy(dump_buf, str); + + return (u32)strlen(str) + 1; +} + +/* Dumps zeros to align the specified buffer to dwords. + * Returns the dumped size in bytes. + */ +static u32 qed_dump_align(char *dump_buf, bool dump, u32 byte_offset) +{ + u8 offset_in_dword, align_size; + + offset_in_dword = (u8)(byte_offset & 0x3); + align_size = offset_in_dword ? BYTES_IN_DWORD - offset_in_dword : 0; + + if (dump && align_size) + memset(dump_buf, 0, align_size); + + return align_size; +} + +/* Writes the specified string param to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_dump_str_param(u32 *dump_buf, + bool dump, + const char *param_name, const char *param_val) +{ + char *char_buf = (char *)dump_buf; + u32 offset = 0; + + /* Dump param name */ + offset += qed_dump_str(char_buf + offset, dump, param_name); + + /* Indicate a string param value */ + if (dump) + *(char_buf + offset) = 1; + offset++; + + /* Dump param value */ + offset += qed_dump_str(char_buf + offset, dump, param_val); + + /* Align buffer to next dword */ + offset += qed_dump_align(char_buf + offset, dump, offset); + + return BYTES_TO_DWORDS(offset); +} + +/* Writes the specified numeric param to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_dump_num_param(u32 *dump_buf, + bool dump, const char *param_name, u32 param_val) +{ + char *char_buf = (char *)dump_buf; + u32 offset = 0; + + /* Dump param name */ + offset += qed_dump_str(char_buf + offset, dump, param_name); + + /* Indicate a numeric param value */ + if (dump) + *(char_buf + offset) = 0; + offset++; + + /* Align buffer to next dword */ + offset += qed_dump_align(char_buf + offset, dump, offset); + + /* Dump param value (and change offset from bytes to dwords) */ + offset = BYTES_TO_DWORDS(offset); + if (dump) + *(dump_buf + offset) = param_val; + offset++; + + return offset; +} + +/* Reads the FW version and writes it as a param to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_dump_fw_ver_param(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + char fw_ver_str[16] = EMPTY_FW_VERSION_STR; + char fw_img_str[16] = EMPTY_FW_IMAGE_STR; + struct fw_info fw_info = { {0}, {0} }; + u32 offset = 0; + + if (dump && !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_FW_VER)) { + /* Read FW info from chip */ + qed_read_fw_info(p_hwfn, p_ptt, &fw_info); + + /* Create FW version/image strings */ + if (snprintf(fw_ver_str, sizeof(fw_ver_str), + "%d_%d_%d_%d", fw_info.ver.num.major, + fw_info.ver.num.minor, fw_info.ver.num.rev, + fw_info.ver.num.eng) < 0) + DP_NOTICE(p_hwfn, + "Unexpected debug error: invalid FW version string\n"); + switch (fw_info.ver.image_id) { + case FW_IMG_KUKU: + strcpy(fw_img_str, "kuku"); + break; + case FW_IMG_MAIN: + strcpy(fw_img_str, "main"); + break; + case FW_IMG_L2B: + strcpy(fw_img_str, "l2b"); + break; + default: + strcpy(fw_img_str, "unknown"); + break; + } + } + + /* Dump FW version, image and timestamp */ + offset += qed_dump_str_param(dump_buf + offset, + dump, "fw-version", fw_ver_str); + offset += qed_dump_str_param(dump_buf + offset, + dump, "fw-image", fw_img_str); + offset += qed_dump_num_param(dump_buf + offset, dump, "fw-timestamp", + le32_to_cpu(fw_info.ver.timestamp)); + + return offset; +} + +/* Reads the MFW version and writes it as a param to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_dump_mfw_ver_param(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + char mfw_ver_str[16] = EMPTY_FW_VERSION_STR; + + if (dump && + !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_FW_VER)) { + u32 global_section_offsize, global_section_addr, mfw_ver; + u32 public_data_addr, global_section_offsize_addr; + + /* Find MCP public data GRC address. Needs to be ORed with + * MCP_REG_SCRATCH due to a HW bug. + */ + public_data_addr = qed_rd(p_hwfn, + p_ptt, + MISC_REG_SHARED_MEM_ADDR) | + MCP_REG_SCRATCH; + + /* Find MCP public global section offset */ + global_section_offsize_addr = public_data_addr + + offsetof(struct mcp_public_data, + sections) + + sizeof(offsize_t) * PUBLIC_GLOBAL; + global_section_offsize = qed_rd(p_hwfn, p_ptt, + global_section_offsize_addr); + global_section_addr = + MCP_REG_SCRATCH + + (global_section_offsize & OFFSIZE_OFFSET_MASK) * 4; + + /* Read MFW version from MCP public global section */ + mfw_ver = qed_rd(p_hwfn, p_ptt, + global_section_addr + + offsetof(struct public_global, mfw_ver)); + + /* Dump MFW version param */ + if (snprintf(mfw_ver_str, sizeof(mfw_ver_str), "%d_%d_%d_%d", + (u8)(mfw_ver >> 24), (u8)(mfw_ver >> 16), + (u8)(mfw_ver >> 8), (u8)mfw_ver) < 0) + DP_NOTICE(p_hwfn, + "Unexpected debug error: invalid MFW version string\n"); + } + + return qed_dump_str_param(dump_buf, dump, "mfw-version", mfw_ver_str); +} + +/* Reads the chip revision from the chip and writes it as a param to the + * specified buffer. Returns the dumped size in dwords. + */ +static u32 qed_dump_chip_revision_param(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + char param_str[3] = "??"; + + if (dev_data->hw_type == HW_TYPE_ASIC) { + u32 chip_rev, chip_metal; + + chip_rev = qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_REV); + chip_metal = qed_rd(p_hwfn, p_ptt, MISCS_REG_CHIP_METAL); + + param_str[0] = 'a' + (u8)chip_rev; + param_str[1] = '0' + (u8)chip_metal; + } + + return qed_dump_str_param(dump_buf, dump, "chip-revision", param_str); +} + +/* Writes a section header to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_dump_section_hdr(u32 *dump_buf, + bool dump, const char *name, u32 num_params) +{ + return qed_dump_num_param(dump_buf, dump, name, num_params); +} + +/* Writes the common global params to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_dump_common_global_params(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + u8 num_specific_global_params) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 offset = 0; + u8 num_params; + + /* Dump global params section header */ + num_params = NUM_COMMON_GLOBAL_PARAMS + num_specific_global_params + + (dev_data->chip_id == CHIP_BB ? 1 : 0); + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "global_params", num_params); + + /* Store params */ + offset += qed_dump_fw_ver_param(p_hwfn, p_ptt, dump_buf + offset, dump); + offset += qed_dump_mfw_ver_param(p_hwfn, + p_ptt, dump_buf + offset, dump); + offset += qed_dump_chip_revision_param(p_hwfn, + p_ptt, dump_buf + offset, dump); + offset += qed_dump_num_param(dump_buf + offset, + dump, "tools-version", TOOLS_VERSION); + offset += qed_dump_str_param(dump_buf + offset, + dump, + "chip", + s_chip_defs[dev_data->chip_id].name); + offset += qed_dump_str_param(dump_buf + offset, + dump, + "platform", + s_hw_type_defs[dev_data->hw_type].name); + offset += qed_dump_num_param(dump_buf + offset, + dump, "pci-func", p_hwfn->abs_pf_id); + offset += qed_dump_num_param(dump_buf + offset, + dump, "epoch", qed_get_epoch_time()); + if (dev_data->chip_id == CHIP_BB) + offset += qed_dump_num_param(dump_buf + offset, + dump, "path", QED_PATH_ID(p_hwfn)); + + return offset; +} + +/* Writes the "last" section (including CRC) to the specified buffer at the + * given offset. Returns the dumped size in dwords. + */ +static u32 qed_dump_last_section(u32 *dump_buf, u32 offset, bool dump) +{ + u32 start_offset = offset; + + /* Dump CRC section header */ + offset += qed_dump_section_hdr(dump_buf + offset, dump, "last", 0); + + /* Calculate CRC32 and add it to the dword after the "last" section */ + if (dump) + *(dump_buf + offset) = ~crc32(0xffffffff, + (u8 *)dump_buf, + DWORDS_TO_BYTES(offset)); + + offset++; + + return offset - start_offset; +} + +/* Update blocks reset state */ +static void qed_update_blocks_reset_state(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 reg_val[NUM_DBG_RESET_REGS] = { 0 }; + u8 rst_reg_id; + u32 blk_id; + + /* Read reset registers */ + for (rst_reg_id = 0; rst_reg_id < NUM_DBG_RESET_REGS; rst_reg_id++) { + const struct dbg_reset_reg *rst_reg; + bool rst_reg_removed; + u32 rst_reg_addr; + + rst_reg = qed_get_dbg_reset_reg(p_hwfn, rst_reg_id); + rst_reg_removed = GET_FIELD(rst_reg->data, + DBG_RESET_REG_IS_REMOVED); + rst_reg_addr = DWORDS_TO_BYTES(GET_FIELD(rst_reg->data, + DBG_RESET_REG_ADDR)); + + if (!rst_reg_removed) + reg_val[rst_reg_id] = qed_rd(p_hwfn, p_ptt, + rst_reg_addr); + } + + /* Check if blocks are in reset */ + for (blk_id = 0; blk_id < NUM_PHYS_BLOCKS; blk_id++) { + const struct dbg_block_chip *blk; + bool has_rst_reg; + bool is_removed; + + blk = qed_get_dbg_block_per_chip(p_hwfn, (enum block_id)blk_id); + is_removed = GET_FIELD(blk->flags, DBG_BLOCK_CHIP_IS_REMOVED); + has_rst_reg = GET_FIELD(blk->flags, + DBG_BLOCK_CHIP_HAS_RESET_REG); + + if (!is_removed && has_rst_reg) + dev_data->block_in_reset[blk_id] = + !(reg_val[blk->reset_reg_id] & + BIT(blk->reset_reg_bit_offset)); + } +} + +/* is_mode_match recursive function */ +static bool qed_is_mode_match_rec(struct qed_hwfn *p_hwfn, + u16 *modes_buf_offset, u8 rec_depth) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u8 *dbg_array; + bool arg1, arg2; + u8 tree_val; + + if (rec_depth > MAX_RECURSION_DEPTH) { + DP_NOTICE(p_hwfn, + "Unexpected error: is_mode_match_rec exceeded the max recursion depth. This is probably due to a corrupt init/debug buffer.\n"); + return false; + } + + /* Get next element from modes tree buffer */ + dbg_array = p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr; + tree_val = dbg_array[(*modes_buf_offset)++]; + + switch (tree_val) { + case INIT_MODE_OP_NOT: + return !qed_is_mode_match_rec(p_hwfn, + modes_buf_offset, rec_depth + 1); + case INIT_MODE_OP_OR: + case INIT_MODE_OP_AND: + arg1 = qed_is_mode_match_rec(p_hwfn, + modes_buf_offset, rec_depth + 1); + arg2 = qed_is_mode_match_rec(p_hwfn, + modes_buf_offset, rec_depth + 1); + return (tree_val == INIT_MODE_OP_OR) ? (arg1 || + arg2) : (arg1 && arg2); + default: + return dev_data->mode_enable[tree_val - MAX_INIT_MODE_OPS] > 0; + } +} + +/* Returns true if the mode (specified using modes_buf_offset) is enabled */ +static bool qed_is_mode_match(struct qed_hwfn *p_hwfn, u16 *modes_buf_offset) +{ + return qed_is_mode_match_rec(p_hwfn, modes_buf_offset, 0); +} + +/* Enable / disable the Debug block */ +static void qed_bus_enable_dbg_block(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, bool enable) +{ + qed_wr(p_hwfn, p_ptt, DBG_REG_DBG_BLOCK_ON, enable ? 1 : 0); +} + +/* Resets the Debug block */ +static void qed_bus_reset_dbg_block(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + u32 reset_reg_addr, old_reset_reg_val, new_reset_reg_val; + const struct dbg_reset_reg *reset_reg; + const struct dbg_block_chip *block; + + block = qed_get_dbg_block_per_chip(p_hwfn, BLOCK_DBG); + reset_reg = qed_get_dbg_reset_reg(p_hwfn, block->reset_reg_id); + reset_reg_addr = + DWORDS_TO_BYTES(GET_FIELD(reset_reg->data, DBG_RESET_REG_ADDR)); + + old_reset_reg_val = qed_rd(p_hwfn, p_ptt, reset_reg_addr); + new_reset_reg_val = + old_reset_reg_val & ~BIT(block->reset_reg_bit_offset); + + qed_wr(p_hwfn, p_ptt, reset_reg_addr, new_reset_reg_val); + qed_wr(p_hwfn, p_ptt, reset_reg_addr, old_reset_reg_val); +} + +/* Enable / disable Debug Bus clients according to the specified mask + * (1 = enable, 0 = disable). + */ +static void qed_bus_enable_clients(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 client_mask) +{ + qed_wr(p_hwfn, p_ptt, DBG_REG_CLIENT_ENABLE, client_mask); +} + +static void qed_bus_config_dbg_line(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + enum block_id block_id, + u8 line_id, + u8 enable_mask, + u8 right_shift, + u8 force_valid_mask, u8 force_frame_mask) +{ + const struct dbg_block_chip *block = + qed_get_dbg_block_per_chip(p_hwfn, block_id); + + qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_select_reg_addr), + line_id); + qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_dword_enable_reg_addr), + enable_mask); + qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_shift_reg_addr), + right_shift); + qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_force_valid_reg_addr), + force_valid_mask); + qed_wr(p_hwfn, p_ptt, DWORDS_TO_BYTES(block->dbg_force_frame_reg_addr), + force_frame_mask); +} + +/* Disable debug bus in all blocks */ +static void qed_bus_disable_blocks(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 block_id; + + /* Disable all blocks */ + for (block_id = 0; block_id < MAX_BLOCK_ID; block_id++) { + const struct dbg_block_chip *block_per_chip = + qed_get_dbg_block_per_chip(p_hwfn, + (enum block_id)block_id); + + if (GET_FIELD(block_per_chip->flags, + DBG_BLOCK_CHIP_IS_REMOVED) || + dev_data->block_in_reset[block_id]) + continue; + + /* Disable debug bus */ + if (GET_FIELD(block_per_chip->flags, + DBG_BLOCK_CHIP_HAS_DBG_BUS)) { + u32 dbg_en_addr = + block_per_chip->dbg_dword_enable_reg_addr; + u16 modes_buf_offset = + GET_FIELD(block_per_chip->dbg_bus_mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + bool eval_mode = + GET_FIELD(block_per_chip->dbg_bus_mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + + if (!eval_mode || + qed_is_mode_match(p_hwfn, &modes_buf_offset)) + qed_wr(p_hwfn, p_ptt, + DWORDS_TO_BYTES(dbg_en_addr), + 0); + } + } +} + +/* Returns true if the specified entity (indicated by GRC param) should be + * included in the dump, false otherwise. + */ +static bool qed_grc_is_included(struct qed_hwfn *p_hwfn, + enum dbg_grc_params grc_param) +{ + return qed_grc_get_param(p_hwfn, grc_param) > 0; +} + +/* Returns the storm_id that matches the specified Storm letter, + * or MAX_DBG_STORMS if invalid storm letter. + */ +static enum dbg_storms qed_get_id_from_letter(char storm_letter) +{ + u8 storm_id; + + for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) + if (s_storm_defs[storm_id].letter == storm_letter) + return (enum dbg_storms)storm_id; + + return MAX_DBG_STORMS; +} + +/* Returns true of the specified Storm should be included in the dump, false + * otherwise. + */ +static bool qed_grc_is_storm_included(struct qed_hwfn *p_hwfn, + enum dbg_storms storm) +{ + return qed_grc_get_param(p_hwfn, (enum dbg_grc_params)storm) > 0; +} + +/* Returns true if the specified memory should be included in the dump, false + * otherwise. + */ +static bool qed_grc_is_mem_included(struct qed_hwfn *p_hwfn, + enum block_id block_id, u8 mem_group_id) +{ + const struct dbg_block *block; + u8 i; + + block = get_dbg_block(p_hwfn, block_id); + + /* If the block is associated with a Storm, check Storm match */ + if (block->associated_storm_letter) { + enum dbg_storms associated_storm_id = + qed_get_id_from_letter(block->associated_storm_letter); + + if (associated_storm_id == MAX_DBG_STORMS || + !qed_grc_is_storm_included(p_hwfn, associated_storm_id)) + return false; + } + + for (i = 0; i < NUM_BIG_RAM_TYPES; i++) { + struct big_ram_defs *big_ram = &s_big_ram_defs[i]; + + if (mem_group_id == big_ram->mem_group_id || + mem_group_id == big_ram->ram_mem_group_id) + return qed_grc_is_included(p_hwfn, big_ram->grc_param); + } + + switch (mem_group_id) { + case MEM_GROUP_PXP_ILT: + case MEM_GROUP_PXP_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_PXP); + case MEM_GROUP_RAM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_RAM); + case MEM_GROUP_PBUF: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_PBUF); + case MEM_GROUP_CAU_MEM: + case MEM_GROUP_CAU_SB: + case MEM_GROUP_CAU_PI: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CAU); + case MEM_GROUP_CAU_MEM_EXT: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CAU_EXT); + case MEM_GROUP_QM_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_QM); + case MEM_GROUP_CFC_MEM: + case MEM_GROUP_CONN_CFC_MEM: + case MEM_GROUP_TASK_CFC_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CFC) || + qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CM_CTX); + case MEM_GROUP_DORQ_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_DORQ); + case MEM_GROUP_IGU_MEM: + case MEM_GROUP_IGU_MSIX: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_IGU); + case MEM_GROUP_MULD_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_MULD); + case MEM_GROUP_PRS_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_PRS); + case MEM_GROUP_DMAE_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_DMAE); + case MEM_GROUP_TM_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_TM); + case MEM_GROUP_SDM_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_SDM); + case MEM_GROUP_TDIF_CTX: + case MEM_GROUP_RDIF_CTX: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_DIF); + case MEM_GROUP_CM_MEM: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CM); + case MEM_GROUP_IOR: + return qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_IOR); + default: + return true; + } +} + +/* Stalls all Storms */ +static void qed_grc_stall_storms(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, bool stall) +{ + u32 reg_addr; + u8 storm_id; + + for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) { + if (!qed_grc_is_storm_included(p_hwfn, + (enum dbg_storms)storm_id)) + continue; + + reg_addr = s_storm_defs[storm_id].sem_fast_mem_addr + + SEM_FAST_REG_STALL_0; + qed_wr(p_hwfn, p_ptt, reg_addr, stall ? 1 : 0); + } + + msleep(STALL_DELAY_MS); +} + +/* Takes all blocks out of reset. If rbc_only is true, only RBC clients are + * taken out of reset. + */ +static void qed_grc_unreset_blocks(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, bool rbc_only) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u8 chip_id = dev_data->chip_id; + u32 i; + + /* Take RBCs out of reset */ + for (i = 0; i < ARRAY_SIZE(s_rbc_reset_defs); i++) + if (s_rbc_reset_defs[i].reset_val[dev_data->chip_id]) + qed_wr(p_hwfn, + p_ptt, + s_rbc_reset_defs[i].reset_reg_addr + + RESET_REG_UNRESET_OFFSET, + s_rbc_reset_defs[i].reset_val[chip_id]); + + if (!rbc_only) { + u32 reg_val[NUM_DBG_RESET_REGS] = { 0 }; + u8 reset_reg_id; + u32 block_id; + + /* Fill reset regs values */ + for (block_id = 0; block_id < NUM_PHYS_BLOCKS; block_id++) { + bool is_removed, has_reset_reg, unreset_before_dump; + const struct dbg_block_chip *block; + + block = qed_get_dbg_block_per_chip(p_hwfn, + (enum block_id) + block_id); + is_removed = + GET_FIELD(block->flags, DBG_BLOCK_CHIP_IS_REMOVED); + has_reset_reg = + GET_FIELD(block->flags, + DBG_BLOCK_CHIP_HAS_RESET_REG); + unreset_before_dump = + GET_FIELD(block->flags, + DBG_BLOCK_CHIP_UNRESET_BEFORE_DUMP); + + if (!is_removed && has_reset_reg && unreset_before_dump) + reg_val[block->reset_reg_id] |= + BIT(block->reset_reg_bit_offset); + } + + /* Write reset registers */ + for (reset_reg_id = 0; reset_reg_id < NUM_DBG_RESET_REGS; + reset_reg_id++) { + const struct dbg_reset_reg *reset_reg; + u32 reset_reg_addr; + + reset_reg = qed_get_dbg_reset_reg(p_hwfn, reset_reg_id); + + if (GET_FIELD + (reset_reg->data, DBG_RESET_REG_IS_REMOVED)) + continue; + + if (reg_val[reset_reg_id]) { + reset_reg_addr = + GET_FIELD(reset_reg->data, + DBG_RESET_REG_ADDR); + qed_wr(p_hwfn, + p_ptt, + DWORDS_TO_BYTES(reset_reg_addr) + + RESET_REG_UNRESET_OFFSET, + reg_val[reset_reg_id]); + } + } + } +} + +/* Returns the attention block data of the specified block */ +static const struct dbg_attn_block_type_data * +qed_get_block_attn_data(struct qed_hwfn *p_hwfn, + enum block_id block_id, enum dbg_attn_type attn_type) +{ + const struct dbg_attn_block *base_attn_block_arr = + (const struct dbg_attn_block *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_BLOCKS].ptr; + + return &base_attn_block_arr[block_id].per_type_data[attn_type]; +} + +/* Returns the attention registers of the specified block */ +static const struct dbg_attn_reg * +qed_get_block_attn_regs(struct qed_hwfn *p_hwfn, + enum block_id block_id, enum dbg_attn_type attn_type, + u8 *num_attn_regs) +{ + const struct dbg_attn_block_type_data *block_type_data = + qed_get_block_attn_data(p_hwfn, block_id, attn_type); + + *num_attn_regs = block_type_data->num_regs; + + return (const struct dbg_attn_reg *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_REGS].ptr + + block_type_data->regs_offset; +} + +/* For each block, clear the status of all parities */ +static void qed_grc_clear_all_prty(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + const struct dbg_attn_reg *attn_reg_arr; + u32 block_id, sts_clr_address; + u8 reg_idx, num_attn_regs; + + for (block_id = 0; block_id < NUM_PHYS_BLOCKS; block_id++) { + if (dev_data->block_in_reset[block_id]) + continue; + + attn_reg_arr = qed_get_block_attn_regs(p_hwfn, + (enum block_id)block_id, + ATTN_TYPE_PARITY, + &num_attn_regs); + + for (reg_idx = 0; reg_idx < num_attn_regs; reg_idx++) { + const struct dbg_attn_reg *reg_data = + &attn_reg_arr[reg_idx]; + u16 modes_buf_offset; + bool eval_mode; + + /* Check mode */ + eval_mode = GET_FIELD(reg_data->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + modes_buf_offset = + GET_FIELD(reg_data->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + + sts_clr_address = reg_data->sts_clr_address; + /* If Mode match: clear parity status */ + if (!eval_mode || + qed_is_mode_match(p_hwfn, &modes_buf_offset)) + qed_rd(p_hwfn, p_ptt, + DWORDS_TO_BYTES(sts_clr_address)); + } + } +} + +/* Finds the meta data image in NVRAM */ +static enum dbg_status qed_find_nvram_image(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 image_type, + u32 *nvram_offset_bytes, + u32 *nvram_size_bytes, + bool b_can_sleep) +{ + u32 ret_mcp_resp, ret_mcp_param, ret_txn_size; + struct mcp_file_att file_att; + int nvm_result; + + /* Call NVRAM get file command */ + nvm_result = qed_mcp_nvm_rd_cmd(p_hwfn, + p_ptt, + DRV_MSG_CODE_NVM_GET_FILE_ATT, + image_type, + &ret_mcp_resp, + &ret_mcp_param, + &ret_txn_size, + (u32 *)&file_att, + b_can_sleep); + + /* Check response */ + if (nvm_result || (ret_mcp_resp & FW_MSG_CODE_MASK) != + FW_MSG_CODE_NVM_OK) + return DBG_STATUS_NVRAM_GET_IMAGE_FAILED; + + /* Update return values */ + *nvram_offset_bytes = file_att.nvm_start_addr; + *nvram_size_bytes = file_att.len; + + DP_VERBOSE(p_hwfn, + QED_MSG_DEBUG, + "find_nvram_image: found NVRAM image of type %d in NVRAM offset %d bytes with size %d bytes\n", + image_type, *nvram_offset_bytes, *nvram_size_bytes); + + /* Check alignment */ + if (*nvram_size_bytes & 0x3) + return DBG_STATUS_NON_ALIGNED_NVRAM_IMAGE; + + return DBG_STATUS_OK; +} + +/* Reads data from NVRAM */ +static enum dbg_status qed_nvram_read(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 nvram_offset_bytes, + u32 nvram_size_bytes, + u32 *ret_buf, + bool b_can_sleep) +{ + u32 ret_mcp_resp, ret_mcp_param, ret_read_size, bytes_to_copy; + s32 bytes_left = nvram_size_bytes; + u32 read_offset = 0, param = 0; + + DP_VERBOSE(p_hwfn, + QED_MSG_DEBUG, + "nvram_read: reading image of size %d bytes from NVRAM\n", + nvram_size_bytes); + + do { + bytes_to_copy = + (bytes_left > + MCP_DRV_NVM_BUF_LEN) ? MCP_DRV_NVM_BUF_LEN : bytes_left; + + /* Call NVRAM read command */ + SET_MFW_FIELD(param, + DRV_MB_PARAM_NVM_OFFSET, + nvram_offset_bytes + read_offset); + SET_MFW_FIELD(param, DRV_MB_PARAM_NVM_LEN, bytes_to_copy); + if (qed_mcp_nvm_rd_cmd(p_hwfn, p_ptt, + DRV_MSG_CODE_NVM_READ_NVRAM, param, + &ret_mcp_resp, + &ret_mcp_param, &ret_read_size, + (u32 *)((u8 *)ret_buf + read_offset), + b_can_sleep)) + return DBG_STATUS_NVRAM_READ_FAILED; + + /* Check response */ + if ((ret_mcp_resp & FW_MSG_CODE_MASK) != FW_MSG_CODE_NVM_OK) + return DBG_STATUS_NVRAM_READ_FAILED; + + /* Update read offset */ + read_offset += ret_read_size; + bytes_left -= ret_read_size; + } while (bytes_left > 0); + + return DBG_STATUS_OK; +} + +/* Dumps GRC registers section header. Returns the dumped size in dwords. + * the following parameters are dumped: + * - count: no. of dumped entries + * - split_type: split type + * - split_id: split ID (dumped only if split_id != SPLIT_TYPE_NONE) + * - reg_type_name: register type name (dumped only if reg_type_name != NULL) + */ +static u32 qed_grc_dump_regs_hdr(u32 *dump_buf, + bool dump, + u32 num_reg_entries, + enum init_split_types split_type, + u8 split_id, const char *reg_type_name) +{ + u8 num_params = 2 + + (split_type != SPLIT_TYPE_NONE ? 1 : 0) + (reg_type_name ? 1 : 0); + u32 offset = 0; + + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "grc_regs", num_params); + offset += qed_dump_num_param(dump_buf + offset, + dump, "count", num_reg_entries); + offset += qed_dump_str_param(dump_buf + offset, + dump, "split", + s_split_type_defs[split_type].name); + if (split_type != SPLIT_TYPE_NONE) + offset += qed_dump_num_param(dump_buf + offset, + dump, "id", split_id); + if (reg_type_name) + offset += qed_dump_str_param(dump_buf + offset, + dump, "type", reg_type_name); + + return offset; +} + +/* Reads the specified registers into the specified buffer. + * The addr and len arguments are specified in dwords. + */ +void qed_read_regs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *buf, u32 addr, u32 len) +{ + u32 i; + + for (i = 0; i < len; i++) + buf[i] = qed_rd(p_hwfn, p_ptt, DWORDS_TO_BYTES(addr + i)); +} + +/* Dumps the GRC registers in the specified address range. + * Returns the dumped size in dwords. + * The addr and len arguments are specified in dwords. + */ +static u32 qed_grc_dump_addr_range(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, u32 addr, u32 len, bool wide_bus, + enum init_split_types split_type, + u8 split_id) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u8 port_id = 0, pf_id = 0, vf_id = 0; + bool read_using_dmae = false; + u32 thresh; + u16 fid; + + if (!dump) + return len; + + switch (split_type) { + case SPLIT_TYPE_PORT: + port_id = split_id; + break; + case SPLIT_TYPE_PF: + pf_id = split_id; + break; + case SPLIT_TYPE_PORT_PF: + port_id = split_id / dev_data->num_pfs_per_port; + pf_id = port_id + dev_data->num_ports * + (split_id % dev_data->num_pfs_per_port); + break; + case SPLIT_TYPE_VF: + vf_id = split_id; + break; + default: + break; + } + + /* Try reading using DMAE */ + if (dev_data->use_dmae && split_type != SPLIT_TYPE_VF && + (len >= s_hw_type_defs[dev_data->hw_type].dmae_thresh || + (PROTECT_WIDE_BUS && wide_bus))) { + struct qed_dmae_params dmae_params; + + /* Set DMAE params */ + memset(&dmae_params, 0, sizeof(dmae_params)); + SET_FIELD(dmae_params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 1); + switch (split_type) { + case SPLIT_TYPE_PORT: + SET_FIELD(dmae_params.flags, QED_DMAE_PARAMS_PORT_VALID, + 1); + dmae_params.port_id = port_id; + break; + case SPLIT_TYPE_PF: + SET_FIELD(dmae_params.flags, + QED_DMAE_PARAMS_SRC_PF_VALID, 1); + dmae_params.src_pfid = pf_id; + break; + case SPLIT_TYPE_PORT_PF: + SET_FIELD(dmae_params.flags, QED_DMAE_PARAMS_PORT_VALID, + 1); + SET_FIELD(dmae_params.flags, + QED_DMAE_PARAMS_SRC_PF_VALID, 1); + dmae_params.port_id = port_id; + dmae_params.src_pfid = pf_id; + break; + default: + break; + } + + /* Execute DMAE command */ + read_using_dmae = !qed_dmae_grc2host(p_hwfn, + p_ptt, + DWORDS_TO_BYTES(addr), + (u64)(uintptr_t)(dump_buf), + len, &dmae_params); + if (!read_using_dmae) { + dev_data->use_dmae = 0; + DP_VERBOSE(p_hwfn, + QED_MSG_DEBUG, + "Failed reading from chip using DMAE, using GRC instead\n"); + } + } + + if (read_using_dmae) + goto print_log; + + /* If not read using DMAE, read using GRC */ + + /* Set pretend */ + if (split_type != dev_data->pretend.split_type || + split_id != dev_data->pretend.split_id) { + switch (split_type) { + case SPLIT_TYPE_PORT: + qed_port_pretend(p_hwfn, p_ptt, port_id); + break; + case SPLIT_TYPE_PF: + fid = FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_PFID, + pf_id); + qed_fid_pretend(p_hwfn, p_ptt, fid); + break; + case SPLIT_TYPE_PORT_PF: + fid = FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_PFID, + pf_id); + qed_port_fid_pretend(p_hwfn, p_ptt, port_id, fid); + break; + case SPLIT_TYPE_VF: + fid = FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_VFVALID, 1) + | FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_VFID, + vf_id); + qed_fid_pretend(p_hwfn, p_ptt, fid); + break; + default: + break; + } + + dev_data->pretend.split_type = (u8)split_type; + dev_data->pretend.split_id = split_id; + } + + /* Read registers using GRC */ + qed_read_regs(p_hwfn, p_ptt, dump_buf, addr, len); + +print_log: + /* Print log */ + dev_data->num_regs_read += len; + thresh = s_hw_type_defs[dev_data->hw_type].log_thresh; + if ((dev_data->num_regs_read / thresh) > + ((dev_data->num_regs_read - len) / thresh)) + DP_VERBOSE(p_hwfn, + QED_MSG_DEBUG, + "Dumped %d registers...\n", dev_data->num_regs_read); + + return len; +} + +/* Dumps GRC registers sequence header. Returns the dumped size in dwords. + * The addr and len arguments are specified in dwords. + */ +static u32 qed_grc_dump_reg_entry_hdr(u32 *dump_buf, + bool dump, u32 addr, u32 len) +{ + if (dump) + *dump_buf = addr | (len << REG_DUMP_LEN_SHIFT); + + return 1; +} + +/* Dumps GRC registers sequence. Returns the dumped size in dwords. + * The addr and len arguments are specified in dwords. + */ +static u32 qed_grc_dump_reg_entry(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, u32 addr, u32 len, bool wide_bus, + enum init_split_types split_type, u8 split_id) +{ + u32 offset = 0; + + offset += qed_grc_dump_reg_entry_hdr(dump_buf, dump, addr, len); + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, addr, len, wide_bus, + split_type, split_id); + + return offset; +} + +/* Dumps GRC registers sequence with skip cycle. + * Returns the dumped size in dwords. + * - addr: start GRC address in dwords + * - total_len: total no. of dwords to dump + * - read_len: no. consecutive dwords to read + * - skip_len: no. of dwords to skip (and fill with zeros) + */ +static u32 qed_grc_dump_reg_entry_skip(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + u32 addr, + u32 total_len, + u32 read_len, u32 skip_len) +{ + u32 offset = 0, reg_offset = 0; + + offset += qed_grc_dump_reg_entry_hdr(dump_buf, dump, addr, total_len); + + if (!dump) + return offset + total_len; + + while (reg_offset < total_len) { + u32 curr_len = min_t(u32, read_len, total_len - reg_offset); + + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, addr, curr_len, false, + SPLIT_TYPE_NONE, 0); + reg_offset += curr_len; + addr += curr_len; + + if (reg_offset < total_len) { + curr_len = min_t(u32, skip_len, total_len - skip_len); + memset(dump_buf + offset, 0, DWORDS_TO_BYTES(curr_len)); + offset += curr_len; + reg_offset += curr_len; + addr += curr_len; + } + } + + return offset; +} + +/* Dumps GRC registers entries. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_regs_entries(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct virt_mem_desc input_regs_arr, + u32 *dump_buf, + bool dump, + enum init_split_types split_type, + u8 split_id, + bool block_enable[MAX_BLOCK_ID], + u32 *num_dumped_reg_entries) +{ + u32 i, offset = 0, input_offset = 0; + bool mode_match = true; + + *num_dumped_reg_entries = 0; + + while (input_offset < BYTES_TO_DWORDS(input_regs_arr.size)) { + const struct dbg_dump_cond_hdr *cond_hdr = + (const struct dbg_dump_cond_hdr *) + input_regs_arr.ptr + input_offset++; + u16 modes_buf_offset; + bool eval_mode; + + /* Check mode/block */ + eval_mode = GET_FIELD(cond_hdr->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + if (eval_mode) { + modes_buf_offset = + GET_FIELD(cond_hdr->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + mode_match = qed_is_mode_match(p_hwfn, + &modes_buf_offset); + } + + if (!mode_match || !block_enable[cond_hdr->block_id]) { + input_offset += cond_hdr->data_size; + continue; + } + + for (i = 0; i < cond_hdr->data_size; i++, input_offset++) { + const struct dbg_dump_reg *reg = + (const struct dbg_dump_reg *) + input_regs_arr.ptr + input_offset; + u32 addr, len; + bool wide_bus; + + addr = GET_FIELD(reg->data, DBG_DUMP_REG_ADDRESS); + len = GET_FIELD(reg->data, DBG_DUMP_REG_LENGTH); + wide_bus = GET_FIELD(reg->data, DBG_DUMP_REG_WIDE_BUS); + offset += qed_grc_dump_reg_entry(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + len, + wide_bus, + split_type, split_id); + (*num_dumped_reg_entries)++; + } + } + + return offset; +} + +/* Dumps GRC registers entries. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_split_data(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct virt_mem_desc input_regs_arr, + u32 *dump_buf, + bool dump, + bool block_enable[MAX_BLOCK_ID], + enum init_split_types split_type, + u8 split_id, const char *reg_type_name) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + enum init_split_types hdr_split_type = split_type; + u32 num_dumped_reg_entries, offset; + u8 hdr_split_id = split_id; + + /* In PORT_PF split type, print a port split header */ + if (split_type == SPLIT_TYPE_PORT_PF) { + hdr_split_type = SPLIT_TYPE_PORT; + hdr_split_id = split_id / dev_data->num_pfs_per_port; + } + + /* Calculate register dump header size (and skip it for now) */ + offset = qed_grc_dump_regs_hdr(dump_buf, + false, + 0, + hdr_split_type, + hdr_split_id, reg_type_name); + + /* Dump registers */ + offset += qed_grc_dump_regs_entries(p_hwfn, + p_ptt, + input_regs_arr, + dump_buf + offset, + dump, + split_type, + split_id, + block_enable, + &num_dumped_reg_entries); + + /* Write register dump header */ + if (dump && num_dumped_reg_entries > 0) + qed_grc_dump_regs_hdr(dump_buf, + dump, + num_dumped_reg_entries, + hdr_split_type, + hdr_split_id, reg_type_name); + + return num_dumped_reg_entries > 0 ? offset : 0; +} + +/* Dumps registers according to the input registers array. Returns the dumped + * size in dwords. + */ +static u32 qed_grc_dump_registers(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + bool block_enable[MAX_BLOCK_ID], + const char *reg_type_name) +{ + struct virt_mem_desc *dbg_buf = + &p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_REG]; + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 offset = 0, input_offset = 0; + + while (input_offset < BYTES_TO_DWORDS(dbg_buf->size)) { + const struct dbg_dump_split_hdr *split_hdr; + struct virt_mem_desc curr_input_regs_arr; + enum init_split_types split_type; + u16 split_count = 0; + u32 split_data_size; + u8 split_id; + + split_hdr = + (const struct dbg_dump_split_hdr *) + dbg_buf->ptr + input_offset++; + split_type = + GET_FIELD(split_hdr->hdr, + DBG_DUMP_SPLIT_HDR_SPLIT_TYPE_ID); + split_data_size = GET_FIELD(split_hdr->hdr, + DBG_DUMP_SPLIT_HDR_DATA_SIZE); + curr_input_regs_arr.ptr = + (u32 *)p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_REG].ptr + + input_offset; + curr_input_regs_arr.size = DWORDS_TO_BYTES(split_data_size); + + switch (split_type) { + case SPLIT_TYPE_NONE: + split_count = 1; + break; + case SPLIT_TYPE_PORT: + split_count = dev_data->num_ports; + break; + case SPLIT_TYPE_PF: + case SPLIT_TYPE_PORT_PF: + split_count = dev_data->num_ports * + dev_data->num_pfs_per_port; + break; + case SPLIT_TYPE_VF: + split_count = dev_data->num_vfs; + break; + default: + return 0; + } + + for (split_id = 0; split_id < split_count; split_id++) + offset += qed_grc_dump_split_data(p_hwfn, p_ptt, + curr_input_regs_arr, + dump_buf + offset, + dump, block_enable, + split_type, + split_id, + reg_type_name); + + input_offset += split_data_size; + } + + /* Cancel pretends (pretend to original PF) */ + if (dump) { + qed_fid_pretend(p_hwfn, p_ptt, + FIELD_VALUE(PXP_PRETEND_CONCRETE_FID_PFID, + p_hwfn->rel_pf_id)); + dev_data->pretend.split_type = SPLIT_TYPE_NONE; + dev_data->pretend.split_id = 0; + } + + return offset; +} + +/* Dump reset registers. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_reset_regs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + u32 offset = 0, num_regs = 0; + u8 reset_reg_id; + + /* Calculate header size */ + offset += qed_grc_dump_regs_hdr(dump_buf, + false, + 0, SPLIT_TYPE_NONE, 0, "RESET_REGS"); + + /* Write reset registers */ + for (reset_reg_id = 0; reset_reg_id < NUM_DBG_RESET_REGS; + reset_reg_id++) { + const struct dbg_reset_reg *reset_reg; + u32 reset_reg_addr; + + reset_reg = qed_get_dbg_reset_reg(p_hwfn, reset_reg_id); + + if (GET_FIELD(reset_reg->data, DBG_RESET_REG_IS_REMOVED)) + continue; + + reset_reg_addr = GET_FIELD(reset_reg->data, DBG_RESET_REG_ADDR); + offset += qed_grc_dump_reg_entry(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + reset_reg_addr, + 1, false, SPLIT_TYPE_NONE, 0); + num_regs++; + } + + /* Write header */ + if (dump) + qed_grc_dump_regs_hdr(dump_buf, + true, num_regs, SPLIT_TYPE_NONE, + 0, "RESET_REGS"); + + return offset; +} + +/* Dump registers that are modified during GRC Dump and therefore must be + * dumped first. Returns the dumped size in dwords. + */ +static u32 qed_grc_dump_modified_regs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 block_id, offset = 0, stall_regs_offset; + const struct dbg_attn_reg *attn_reg_arr; + u8 storm_id, reg_idx, num_attn_regs; + u32 num_reg_entries = 0; + + /* Write empty header for attention registers */ + offset += qed_grc_dump_regs_hdr(dump_buf, + false, + 0, SPLIT_TYPE_NONE, 0, "ATTN_REGS"); + + /* Write parity registers */ + for (block_id = 0; block_id < NUM_PHYS_BLOCKS; block_id++) { + if (dev_data->block_in_reset[block_id] && dump) + continue; + + attn_reg_arr = qed_get_block_attn_regs(p_hwfn, + (enum block_id)block_id, + ATTN_TYPE_PARITY, + &num_attn_regs); + + for (reg_idx = 0; reg_idx < num_attn_regs; reg_idx++) { + const struct dbg_attn_reg *reg_data = + &attn_reg_arr[reg_idx]; + u16 modes_buf_offset; + bool eval_mode; + u32 addr; + + /* Check mode */ + eval_mode = GET_FIELD(reg_data->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + modes_buf_offset = + GET_FIELD(reg_data->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + if (eval_mode && + !qed_is_mode_match(p_hwfn, &modes_buf_offset)) + continue; + + /* Mode match: read & dump registers */ + addr = reg_data->mask_address; + offset += qed_grc_dump_reg_entry(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + 1, false, + SPLIT_TYPE_NONE, 0); + addr = GET_FIELD(reg_data->data, + DBG_ATTN_REG_STS_ADDRESS); + offset += qed_grc_dump_reg_entry(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + 1, false, + SPLIT_TYPE_NONE, 0); + num_reg_entries += 2; + } + } + + /* Overwrite header for attention registers */ + if (dump) + qed_grc_dump_regs_hdr(dump_buf, + true, + num_reg_entries, + SPLIT_TYPE_NONE, 0, "ATTN_REGS"); + + /* Write empty header for stall registers */ + stall_regs_offset = offset; + offset += qed_grc_dump_regs_hdr(dump_buf, + false, 0, SPLIT_TYPE_NONE, 0, "REGS"); + + /* Write Storm stall status registers */ + for (storm_id = 0, num_reg_entries = 0; storm_id < MAX_DBG_STORMS; + storm_id++) { + struct storm_defs *storm = &s_storm_defs[storm_id]; + u32 addr; + + if (dev_data->block_in_reset[storm->sem_block_id] && dump) + continue; + + addr = + BYTES_TO_DWORDS(storm->sem_fast_mem_addr + + SEM_FAST_REG_STALLED); + offset += qed_grc_dump_reg_entry(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + 1, + false, SPLIT_TYPE_NONE, 0); + num_reg_entries++; + } + + /* Overwrite header for stall registers */ + if (dump) + qed_grc_dump_regs_hdr(dump_buf + stall_regs_offset, + true, + num_reg_entries, + SPLIT_TYPE_NONE, 0, "REGS"); + + return offset; +} + +/* Dumps registers that can't be represented in the debug arrays */ +static u32 qed_grc_dump_special_regs(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + u32 offset = 0, addr; + + offset += qed_grc_dump_regs_hdr(dump_buf, + dump, 2, SPLIT_TYPE_NONE, 0, "REGS"); + + /* Dump R/TDIF_REG_DEBUG_ERROR_INFO_SIZE (every 8'th register should be + * skipped). + */ + addr = BYTES_TO_DWORDS(RDIF_REG_DEBUG_ERROR_INFO); + offset += qed_grc_dump_reg_entry_skip(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + RDIF_REG_DEBUG_ERROR_INFO_SIZE, + 7, + 1); + addr = BYTES_TO_DWORDS(TDIF_REG_DEBUG_ERROR_INFO); + offset += + qed_grc_dump_reg_entry_skip(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + TDIF_REG_DEBUG_ERROR_INFO_SIZE, + 7, + 1); + + return offset; +} + +/* Dumps a GRC memory header (section and params). Returns the dumped size in + * dwords. The following parameters are dumped: + * - name: dumped only if it's not NULL. + * - addr: in dwords, dumped only if name is NULL. + * - len: in dwords, always dumped. + * - width: dumped if it's not zero. + * - packed: dumped only if it's not false. + * - mem_group: always dumped. + * - is_storm: true only if the memory is related to a Storm. + * - storm_letter: valid only if is_storm is true. + * + */ +static u32 qed_grc_dump_mem_hdr(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + bool dump, + const char *name, + u32 addr, + u32 len, + u32 bit_width, + bool packed, + const char *mem_group, char storm_letter) +{ + u8 num_params = 3; + u32 offset = 0; + char buf[64]; + + if (!len) + DP_NOTICE(p_hwfn, + "Unexpected GRC Dump error: dumped memory size must be non-zero\n"); + + if (bit_width) + num_params++; + if (packed) + num_params++; + + /* Dump section header */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "grc_mem", num_params); + + if (name) { + /* Dump name */ + if (storm_letter) { + strcpy(buf, "?STORM_"); + buf[0] = storm_letter; + strcpy(buf + strlen(buf), name); + } else { + strcpy(buf, name); + } + + offset += qed_dump_str_param(dump_buf + offset, + dump, "name", buf); + } else { + /* Dump address */ + u32 addr_in_bytes = DWORDS_TO_BYTES(addr); + + offset += qed_dump_num_param(dump_buf + offset, + dump, "addr", addr_in_bytes); + } + + /* Dump len */ + offset += qed_dump_num_param(dump_buf + offset, dump, "len", len); + + /* Dump bit width */ + if (bit_width) + offset += qed_dump_num_param(dump_buf + offset, + dump, "width", bit_width); + + /* Dump packed */ + if (packed) + offset += qed_dump_num_param(dump_buf + offset, + dump, "packed", 1); + + /* Dump reg type */ + if (storm_letter) { + strcpy(buf, "?STORM_"); + buf[0] = storm_letter; + strcpy(buf + strlen(buf), mem_group); + } else { + strcpy(buf, mem_group); + } + + offset += qed_dump_str_param(dump_buf + offset, dump, "type", buf); + + return offset; +} + +/* Dumps a single GRC memory. If name is NULL, the memory is stored by address. + * Returns the dumped size in dwords. + * The addr and len arguments are specified in dwords. + */ +static u32 qed_grc_dump_mem(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + const char *name, + u32 addr, + u32 len, + bool wide_bus, + u32 bit_width, + bool packed, + const char *mem_group, char storm_letter) +{ + u32 offset = 0; + + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + name, + addr, + len, + bit_width, + packed, mem_group, storm_letter); + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, addr, len, wide_bus, + SPLIT_TYPE_NONE, 0); + + return offset; +} + +/* Dumps GRC memories entries. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_mem_entries(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct virt_mem_desc input_mems_arr, + u32 *dump_buf, bool dump) +{ + u32 i, offset = 0, input_offset = 0; + bool mode_match = true; + + while (input_offset < BYTES_TO_DWORDS(input_mems_arr.size)) { + const struct dbg_dump_cond_hdr *cond_hdr; + u16 modes_buf_offset; + u32 num_entries; + bool eval_mode; + + cond_hdr = + (const struct dbg_dump_cond_hdr *)input_mems_arr.ptr + + input_offset++; + num_entries = cond_hdr->data_size / MEM_DUMP_ENTRY_SIZE_DWORDS; + + /* Check required mode */ + eval_mode = GET_FIELD(cond_hdr->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + if (eval_mode) { + modes_buf_offset = + GET_FIELD(cond_hdr->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + mode_match = qed_is_mode_match(p_hwfn, + &modes_buf_offset); + } + + if (!mode_match) { + input_offset += cond_hdr->data_size; + continue; + } + + for (i = 0; i < num_entries; + i++, input_offset += MEM_DUMP_ENTRY_SIZE_DWORDS) { + const struct dbg_dump_mem *mem = + (const struct dbg_dump_mem *)((u32 *) + input_mems_arr.ptr + + input_offset); + const struct dbg_block *block; + char storm_letter = 0; + u32 mem_addr, mem_len; + bool mem_wide_bus; + u8 mem_group_id; + + mem_group_id = GET_FIELD(mem->dword0, + DBG_DUMP_MEM_MEM_GROUP_ID); + if (mem_group_id >= MEM_GROUPS_NUM) { + DP_NOTICE(p_hwfn, "Invalid mem_group_id\n"); + return 0; + } + + if (!qed_grc_is_mem_included(p_hwfn, + (enum block_id) + cond_hdr->block_id, + mem_group_id)) + continue; + + mem_addr = GET_FIELD(mem->dword0, DBG_DUMP_MEM_ADDRESS); + mem_len = GET_FIELD(mem->dword1, DBG_DUMP_MEM_LENGTH); + mem_wide_bus = GET_FIELD(mem->dword1, + DBG_DUMP_MEM_WIDE_BUS); + + block = get_dbg_block(p_hwfn, + cond_hdr->block_id); + + /* If memory is associated with Storm, + * update storm details + */ + if (block->associated_storm_letter) + storm_letter = block->associated_storm_letter; + + /* Dump memory */ + offset += qed_grc_dump_mem(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + NULL, + mem_addr, + mem_len, + mem_wide_bus, + 0, + false, + s_mem_group_names[mem_group_id], + storm_letter); + } + } + + return offset; +} + +/* Dumps GRC memories according to the input array dump_mem. + * Returns the dumped size in dwords. + */ +static u32 qed_grc_dump_memories(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + struct virt_mem_desc *dbg_buf = + &p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_MEM]; + u32 offset = 0, input_offset = 0; + + while (input_offset < BYTES_TO_DWORDS(dbg_buf->size)) { + const struct dbg_dump_split_hdr *split_hdr; + struct virt_mem_desc curr_input_mems_arr; + enum init_split_types split_type; + u32 split_data_size; + + split_hdr = + (const struct dbg_dump_split_hdr *)dbg_buf->ptr + + input_offset++; + split_type = GET_FIELD(split_hdr->hdr, + DBG_DUMP_SPLIT_HDR_SPLIT_TYPE_ID); + split_data_size = GET_FIELD(split_hdr->hdr, + DBG_DUMP_SPLIT_HDR_DATA_SIZE); + curr_input_mems_arr.ptr = (u32 *)dbg_buf->ptr + input_offset; + curr_input_mems_arr.size = DWORDS_TO_BYTES(split_data_size); + + if (split_type == SPLIT_TYPE_NONE) + offset += qed_grc_dump_mem_entries(p_hwfn, + p_ptt, + curr_input_mems_arr, + dump_buf + offset, + dump); + else + DP_NOTICE(p_hwfn, + "Dumping split memories is currently not supported\n"); + + input_offset += split_data_size; + } + + return offset; +} + +/* Dumps GRC context data for the specified Storm. + * Returns the dumped size in dwords. + * The lid_size argument is specified in quad-regs. + */ +static u32 qed_grc_dump_ctx_data(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + const char *name, + u32 num_lids, + enum cm_ctx_types ctx_type, u8 storm_id) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + struct storm_defs *storm = &s_storm_defs[storm_id]; + u32 i, lid, lid_size, total_size; + u32 rd_reg_addr, offset = 0; + + /* Convert quad-regs to dwords */ + lid_size = storm->cm_ctx_lid_sizes[dev_data->chip_id][ctx_type] * 4; + + if (!lid_size) + return 0; + + total_size = num_lids * lid_size; + + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + name, + 0, + total_size, + lid_size * 32, + false, name, storm->letter); + + if (!dump) + return offset + total_size; + + rd_reg_addr = BYTES_TO_DWORDS(storm->cm_ctx_rd_addr[ctx_type]); + + /* Dump context data */ + for (lid = 0; lid < num_lids; lid++) { + for (i = 0; i < lid_size; i++) { + qed_wr(p_hwfn, + p_ptt, storm->cm_ctx_wr_addr, (i << 9) | lid); + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + rd_reg_addr, + 1, + false, + SPLIT_TYPE_NONE, 0); + } + } + + return offset; +} + +/* Dumps GRC contexts. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_ctx(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + u32 offset = 0; + u8 storm_id; + + for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) { + if (!qed_grc_is_storm_included(p_hwfn, + (enum dbg_storms)storm_id)) + continue; + + /* Dump Conn AG context size */ + offset += qed_grc_dump_ctx_data(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + "CONN_AG_CTX", + NUM_OF_LCIDS, + CM_CTX_CONN_AG, storm_id); + + /* Dump Conn ST context size */ + offset += qed_grc_dump_ctx_data(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + "CONN_ST_CTX", + NUM_OF_LCIDS, + CM_CTX_CONN_ST, storm_id); + + /* Dump Task AG context size */ + offset += qed_grc_dump_ctx_data(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + "TASK_AG_CTX", + NUM_OF_LTIDS, + CM_CTX_TASK_AG, storm_id); + + /* Dump Task ST context size */ + offset += qed_grc_dump_ctx_data(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + "TASK_ST_CTX", + NUM_OF_LTIDS, + CM_CTX_TASK_ST, storm_id); + } + + return offset; +} + +#define VFC_STATUS_RESP_READY_BIT 0 +#define VFC_STATUS_BUSY_BIT 1 +#define VFC_STATUS_SENDING_CMD_BIT 2 + +#define VFC_POLLING_DELAY_MS 1 +#define VFC_POLLING_COUNT 20 + +/* Reads data from VFC. Returns the number of dwords read (0 on error). + * Sizes are specified in dwords. + */ +static u32 qed_grc_dump_read_from_vfc(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + struct storm_defs *storm, + u32 *cmd_data, + u32 cmd_size, + u32 *addr_data, + u32 addr_size, + u32 resp_size, u32 *dump_buf) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 vfc_status, polling_ms, polling_count = 0, i; + u32 reg_addr, sem_base; + bool is_ready = false; + + sem_base = storm->sem_fast_mem_addr; + polling_ms = VFC_POLLING_DELAY_MS * + s_hw_type_defs[dev_data->hw_type].delay_factor; + + /* Write VFC command */ + ARR_REG_WR(p_hwfn, + p_ptt, + sem_base + SEM_FAST_REG_VFC_DATA_WR, + cmd_data, cmd_size); + + /* Write VFC address */ + ARR_REG_WR(p_hwfn, + p_ptt, + sem_base + SEM_FAST_REG_VFC_ADDR, + addr_data, addr_size); + + /* Read response */ + for (i = 0; i < resp_size; i++) { + /* Poll until ready */ + do { + reg_addr = sem_base + SEM_FAST_REG_VFC_STATUS; + qed_grc_dump_addr_range(p_hwfn, + p_ptt, + &vfc_status, + true, + BYTES_TO_DWORDS(reg_addr), + 1, + false, SPLIT_TYPE_NONE, 0); + is_ready = vfc_status & BIT(VFC_STATUS_RESP_READY_BIT); + + if (!is_ready) { + if (polling_count++ == VFC_POLLING_COUNT) + return 0; + + msleep(polling_ms); + } + } while (!is_ready); + + reg_addr = sem_base + SEM_FAST_REG_VFC_DATA_RD; + qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + i, + true, + BYTES_TO_DWORDS(reg_addr), + 1, false, SPLIT_TYPE_NONE, 0); + } + + return resp_size; +} + +/* Dump VFC CAM. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_vfc_cam(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump, u8 storm_id) +{ + u32 total_size = VFC_CAM_NUM_ROWS * VFC_CAM_RESP_DWORDS; + struct storm_defs *storm = &s_storm_defs[storm_id]; + u32 cam_addr[VFC_CAM_ADDR_DWORDS] = { 0 }; + u32 cam_cmd[VFC_CAM_CMD_DWORDS] = { 0 }; + u32 row, offset = 0; + + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + "vfc_cam", + 0, + total_size, + 256, + false, "vfc_cam", storm->letter); + + if (!dump) + return offset + total_size; + + /* Prepare CAM address */ + SET_VAR_FIELD(cam_addr, VFC_CAM_ADDR, OP, VFC_OPCODE_CAM_RD); + + /* Read VFC CAM data */ + for (row = 0; row < VFC_CAM_NUM_ROWS; row++) { + SET_VAR_FIELD(cam_cmd, VFC_CAM_CMD, ROW, row); + offset += qed_grc_dump_read_from_vfc(p_hwfn, + p_ptt, + storm, + cam_cmd, + VFC_CAM_CMD_DWORDS, + cam_addr, + VFC_CAM_ADDR_DWORDS, + VFC_CAM_RESP_DWORDS, + dump_buf + offset); + } + + return offset; +} + +/* Dump VFC RAM. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_vfc_ram(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + u8 storm_id, struct vfc_ram_defs *ram_defs) +{ + u32 total_size = ram_defs->num_rows * VFC_RAM_RESP_DWORDS; + struct storm_defs *storm = &s_storm_defs[storm_id]; + u32 ram_addr[VFC_RAM_ADDR_DWORDS] = { 0 }; + u32 ram_cmd[VFC_RAM_CMD_DWORDS] = { 0 }; + u32 row, offset = 0; + + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + ram_defs->mem_name, + 0, + total_size, + 256, + false, + ram_defs->type_name, + storm->letter); + + if (!dump) + return offset + total_size; + + /* Prepare RAM address */ + SET_VAR_FIELD(ram_addr, VFC_RAM_ADDR, OP, VFC_OPCODE_RAM_RD); + + /* Read VFC RAM data */ + for (row = ram_defs->base_row; + row < ram_defs->base_row + ram_defs->num_rows; row++) { + SET_VAR_FIELD(ram_addr, VFC_RAM_ADDR, ROW, row); + offset += qed_grc_dump_read_from_vfc(p_hwfn, + p_ptt, + storm, + ram_cmd, + VFC_RAM_CMD_DWORDS, + ram_addr, + VFC_RAM_ADDR_DWORDS, + VFC_RAM_RESP_DWORDS, + dump_buf + offset); + } + + return offset; +} + +/* Dumps GRC VFC data. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_vfc(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + u8 storm_id, i; + u32 offset = 0; + + for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) { + if (!qed_grc_is_storm_included(p_hwfn, + (enum dbg_storms)storm_id) || + !s_storm_defs[storm_id].has_vfc) + continue; + + /* Read CAM */ + offset += qed_grc_dump_vfc_cam(p_hwfn, + p_ptt, + dump_buf + offset, + dump, storm_id); + + /* Read RAM */ + for (i = 0; i < NUM_VFC_RAM_TYPES; i++) + offset += qed_grc_dump_vfc_ram(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + storm_id, + &s_vfc_ram_defs[i]); + } + + return offset; +} + +/* Dumps GRC RSS data. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_rss(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 offset = 0; + u8 rss_mem_id; + + for (rss_mem_id = 0; rss_mem_id < NUM_RSS_MEM_TYPES; rss_mem_id++) { + u32 rss_addr, num_entries, total_dwords; + struct rss_mem_defs *rss_defs; + u32 addr, num_dwords_to_read; + bool packed; + + rss_defs = &s_rss_mem_defs[rss_mem_id]; + rss_addr = rss_defs->addr; + num_entries = rss_defs->num_entries[dev_data->chip_id]; + total_dwords = (num_entries * rss_defs->entry_width) / 32; + packed = (rss_defs->entry_width == 16); + + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + rss_defs->mem_name, + 0, + total_dwords, + rss_defs->entry_width, + packed, + rss_defs->type_name, 0); + + /* Dump RSS data */ + if (!dump) { + offset += total_dwords; + continue; + } + + addr = BYTES_TO_DWORDS(RSS_REG_RSS_RAM_DATA); + while (total_dwords) { + num_dwords_to_read = min_t(u32, + RSS_REG_RSS_RAM_DATA_SIZE, + total_dwords); + qed_wr(p_hwfn, p_ptt, RSS_REG_RSS_RAM_ADDR, rss_addr); + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + num_dwords_to_read, + false, + SPLIT_TYPE_NONE, 0); + total_dwords -= num_dwords_to_read; + rss_addr++; + } + } + + return offset; +} + +/* Dumps GRC Big RAM. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_big_ram(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump, u8 big_ram_id) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 block_size, ram_size, offset = 0, reg_val, i; + char mem_name[12] = "???_BIG_RAM"; + char type_name[8] = "???_RAM"; + struct big_ram_defs *big_ram; + + big_ram = &s_big_ram_defs[big_ram_id]; + ram_size = big_ram->ram_size[dev_data->chip_id]; + + reg_val = qed_rd(p_hwfn, p_ptt, big_ram->is_256b_reg_addr); + block_size = reg_val & + BIT(big_ram->is_256b_bit_offset[dev_data->chip_id]) ? 256 + : 128; + + strncpy(type_name, big_ram->instance_name, BIG_RAM_NAME_LEN); + strncpy(mem_name, big_ram->instance_name, BIG_RAM_NAME_LEN); + + /* Dump memory header */ + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + mem_name, + 0, + ram_size, + block_size * 8, + false, type_name, 0); + + /* Read and dump Big RAM data */ + if (!dump) + return offset + ram_size; + + /* Dump Big RAM */ + for (i = 0; i < DIV_ROUND_UP(ram_size, BRB_REG_BIG_RAM_DATA_SIZE); + i++) { + u32 addr, len; + + qed_wr(p_hwfn, p_ptt, big_ram->addr_reg_addr, i); + addr = BYTES_TO_DWORDS(big_ram->data_reg_addr); + len = BRB_REG_BIG_RAM_DATA_SIZE; + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + len, + false, SPLIT_TYPE_NONE, 0); + } + + return offset; +} + +/* Dumps MCP scratchpad. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_mcp(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + bool block_enable[MAX_BLOCK_ID] = { 0 }; + u32 offset = 0, addr; + bool halted = false; + + /* Halt MCP */ + if (dump && !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP)) { + halted = !qed_mcp_halt(p_hwfn, p_ptt); + if (!halted) + DP_NOTICE(p_hwfn, "MCP halt failed!\n"); + } + + /* Dump MCP scratchpad */ + offset += qed_grc_dump_mem(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + NULL, + BYTES_TO_DWORDS(MCP_REG_SCRATCH), + MCP_REG_SCRATCH_SIZE, + false, 0, false, "MCP", 0); + + /* Dump MCP cpu_reg_file */ + offset += qed_grc_dump_mem(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + NULL, + BYTES_TO_DWORDS(MCP_REG_CPU_REG_FILE), + MCP_REG_CPU_REG_FILE_SIZE, + false, 0, false, "MCP", 0); + + /* Dump MCP registers */ + block_enable[BLOCK_MCP] = true; + offset += qed_grc_dump_registers(p_hwfn, + p_ptt, + dump_buf + offset, + dump, block_enable, "MCP"); + + /* Dump required non-MCP registers */ + offset += qed_grc_dump_regs_hdr(dump_buf + offset, + dump, 1, SPLIT_TYPE_NONE, 0, + "MCP"); + addr = BYTES_TO_DWORDS(MISC_REG_SHARED_MEM_ADDR); + offset += qed_grc_dump_reg_entry(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + 1, + false, SPLIT_TYPE_NONE, 0); + + /* Release MCP */ + if (halted && qed_mcp_resume(p_hwfn, p_ptt)) + DP_NOTICE(p_hwfn, "Failed to resume MCP after halt!\n"); + + return offset; +} + +/* Dumps the tbus indirect memory for all PHYs. + * Returns the dumped size in dwords. + */ +static u32 qed_grc_dump_phy(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + u32 offset = 0, tbus_lo_offset, tbus_hi_offset; + char mem_name[32]; + u8 phy_id; + + for (phy_id = 0; phy_id < ARRAY_SIZE(s_phy_defs); phy_id++) { + u32 addr_lo_addr, addr_hi_addr, data_lo_addr, data_hi_addr; + struct phy_defs *phy_defs; + u8 *bytes_buf; + + phy_defs = &s_phy_defs[phy_id]; + addr_lo_addr = phy_defs->base_addr + + phy_defs->tbus_addr_lo_addr; + addr_hi_addr = phy_defs->base_addr + + phy_defs->tbus_addr_hi_addr; + data_lo_addr = phy_defs->base_addr + + phy_defs->tbus_data_lo_addr; + data_hi_addr = phy_defs->base_addr + + phy_defs->tbus_data_hi_addr; + + if (snprintf(mem_name, sizeof(mem_name), "tbus_%s", + phy_defs->phy_name) < 0) + DP_NOTICE(p_hwfn, + "Unexpected debug error: invalid PHY memory name\n"); + + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + mem_name, + 0, + PHY_DUMP_SIZE_DWORDS, + 16, true, mem_name, 0); + + if (!dump) { + offset += PHY_DUMP_SIZE_DWORDS; + continue; + } + + bytes_buf = (u8 *)(dump_buf + offset); + for (tbus_hi_offset = 0; + tbus_hi_offset < (NUM_PHY_TBUS_ADDRESSES >> 8); + tbus_hi_offset++) { + qed_wr(p_hwfn, p_ptt, addr_hi_addr, tbus_hi_offset); + for (tbus_lo_offset = 0; tbus_lo_offset < 256; + tbus_lo_offset++) { + qed_wr(p_hwfn, + p_ptt, addr_lo_addr, tbus_lo_offset); + *(bytes_buf++) = (u8)qed_rd(p_hwfn, + p_ptt, + data_lo_addr); + *(bytes_buf++) = (u8)qed_rd(p_hwfn, + p_ptt, + data_hi_addr); + } + } + + offset += PHY_DUMP_SIZE_DWORDS; + } + + return offset; +} + +/* Dumps the MCP HW dump from NVRAM. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_mcp_hw_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + u32 hw_dump_offset_bytes = 0, hw_dump_size_bytes = 0; + u32 hw_dump_size_dwords = 0, offset = 0; + enum dbg_status status; + + /* Read HW dump image from NVRAM */ + status = qed_find_nvram_image(p_hwfn, + p_ptt, + NVM_TYPE_HW_DUMP_OUT, + &hw_dump_offset_bytes, + &hw_dump_size_bytes, + false); + if (status != DBG_STATUS_OK) + return 0; + + hw_dump_size_dwords = BYTES_TO_DWORDS(hw_dump_size_bytes); + + /* Dump HW dump image section */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "mcp_hw_dump", 1); + offset += qed_dump_num_param(dump_buf + offset, + dump, "size", hw_dump_size_dwords); + + /* Read MCP HW dump image into dump buffer */ + if (dump && hw_dump_size_dwords) { + status = qed_nvram_read(p_hwfn, + p_ptt, + hw_dump_offset_bytes, + hw_dump_size_bytes, + dump_buf + offset, + false); + if (status != DBG_STATUS_OK) { + DP_NOTICE(p_hwfn, + "Failed to read MCP HW Dump image from NVRAM\n"); + return 0; + } + } + offset += hw_dump_size_dwords; + + return offset; +} + +/* Dumps Static Debug data. Returns the dumped size in dwords. */ +static u32 qed_grc_dump_static_debug(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 block_id, line_id, offset = 0, addr, len; + + /* Don't dump static debug if a debug bus recording is in progress */ + if (dump && qed_rd(p_hwfn, p_ptt, DBG_REG_DBG_BLOCK_ON)) + return 0; + + if (dump) { + /* Disable debug bus in all blocks */ + qed_bus_disable_blocks(p_hwfn, p_ptt); + + qed_bus_reset_dbg_block(p_hwfn, p_ptt); + qed_wr(p_hwfn, + p_ptt, DBG_REG_FRAMING_MODE, DBG_BUS_FRAME_MODE_8HW); + qed_wr(p_hwfn, + p_ptt, DBG_REG_DEBUG_TARGET, DBG_BUS_TARGET_ID_INT_BUF); + qed_wr(p_hwfn, p_ptt, DBG_REG_FULL_MODE, 1); + qed_bus_enable_dbg_block(p_hwfn, p_ptt, true); + } + + /* Dump all static debug lines for each relevant block */ + for (block_id = 0; block_id < MAX_BLOCK_ID; block_id++) { + const struct dbg_block_chip *block_per_chip; + const struct dbg_block *block; + bool is_removed, has_dbg_bus; + u16 modes_buf_offset; + u32 block_dwords; + + block_per_chip = + qed_get_dbg_block_per_chip(p_hwfn, (enum block_id)block_id); + is_removed = GET_FIELD(block_per_chip->flags, + DBG_BLOCK_CHIP_IS_REMOVED); + has_dbg_bus = GET_FIELD(block_per_chip->flags, + DBG_BLOCK_CHIP_HAS_DBG_BUS); + + if (!is_removed && has_dbg_bus && + GET_FIELD(block_per_chip->dbg_bus_mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0) { + modes_buf_offset = + GET_FIELD(block_per_chip->dbg_bus_mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + if (!qed_is_mode_match(p_hwfn, &modes_buf_offset)) + has_dbg_bus = false; + } + + if (is_removed || !has_dbg_bus) + continue; + + block_dwords = NUM_DBG_LINES(block_per_chip) * + STATIC_DEBUG_LINE_DWORDS; + + /* Dump static section params */ + block = get_dbg_block(p_hwfn, (enum block_id)block_id); + offset += qed_grc_dump_mem_hdr(p_hwfn, + dump_buf + offset, + dump, + block->name, + 0, + block_dwords, + 32, false, "STATIC", 0); + + if (!dump) { + offset += block_dwords; + continue; + } + + /* If all lines are invalid - dump zeros */ + if (dev_data->block_in_reset[block_id]) { + memset(dump_buf + offset, 0, + DWORDS_TO_BYTES(block_dwords)); + offset += block_dwords; + continue; + } + + /* Enable block's client */ + qed_bus_enable_clients(p_hwfn, + p_ptt, + BIT(block_per_chip->dbg_client_id)); + + addr = BYTES_TO_DWORDS(DBG_REG_CALENDAR_OUT_DATA); + len = STATIC_DEBUG_LINE_DWORDS; + for (line_id = 0; line_id < (u32)NUM_DBG_LINES(block_per_chip); + line_id++) { + /* Configure debug line ID */ + qed_bus_config_dbg_line(p_hwfn, + p_ptt, + (enum block_id)block_id, + (u8)line_id, 0xf, 0, 0, 0); + + /* Read debug line info */ + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + len, + true, SPLIT_TYPE_NONE, + 0); + } + + /* Disable block's client and debug output */ + qed_bus_enable_clients(p_hwfn, p_ptt, 0); + qed_bus_config_dbg_line(p_hwfn, p_ptt, + (enum block_id)block_id, 0, 0, 0, 0, 0); + } + + if (dump) { + qed_bus_enable_dbg_block(p_hwfn, p_ptt, false); + qed_bus_enable_clients(p_hwfn, p_ptt, 0); + } + + return offset; +} + +/* Performs GRC Dump to the specified buffer. + * Returns the dumped size in dwords. + */ +static enum dbg_status qed_grc_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, u32 *num_dumped_dwords) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + bool parities_masked = false; + u32 dwords_read, offset = 0; + u8 i; + + *num_dumped_dwords = 0; + dev_data->num_regs_read = 0; + + /* Update reset state */ + if (dump) + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + /* Dump global params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 4); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "grc-dump"); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "num-lcids", + NUM_OF_LCIDS); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "num-ltids", + NUM_OF_LTIDS); + offset += qed_dump_num_param(dump_buf + offset, + dump, "num-ports", dev_data->num_ports); + + /* Dump reset registers (dumped before taking blocks out of reset ) */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_REGS)) + offset += qed_grc_dump_reset_regs(p_hwfn, + p_ptt, + dump_buf + offset, dump); + + /* Take all blocks out of reset (using reset registers) */ + if (dump) { + qed_grc_unreset_blocks(p_hwfn, p_ptt, false); + qed_update_blocks_reset_state(p_hwfn, p_ptt); + } + + /* Disable all parities using MFW command */ + if (dump && + !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP)) { + parities_masked = !qed_mcp_mask_parities(p_hwfn, p_ptt, 1); + if (!parities_masked) { + DP_NOTICE(p_hwfn, + "Failed to mask parities using MFW\n"); + if (qed_grc_get_param + (p_hwfn, DBG_GRC_PARAM_PARITY_SAFE)) + return DBG_STATUS_MCP_COULD_NOT_MASK_PRTY; + } + } + + /* Dump modified registers (dumped before modifying them) */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_REGS)) + offset += qed_grc_dump_modified_regs(p_hwfn, + p_ptt, + dump_buf + offset, dump); + + /* Stall storms */ + if (dump && + (qed_grc_is_included(p_hwfn, + DBG_GRC_PARAM_DUMP_IOR) || + qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_VFC))) + qed_grc_stall_storms(p_hwfn, p_ptt, true); + + /* Dump all regs */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_REGS)) { + bool block_enable[MAX_BLOCK_ID]; + + /* Dump all blocks except MCP */ + for (i = 0; i < MAX_BLOCK_ID; i++) + block_enable[i] = true; + block_enable[BLOCK_MCP] = false; + offset += qed_grc_dump_registers(p_hwfn, + p_ptt, + dump_buf + + offset, + dump, + block_enable, NULL); + + /* Dump special registers */ + offset += qed_grc_dump_special_regs(p_hwfn, + p_ptt, + dump_buf + offset, dump); + } + + /* Dump memories */ + offset += qed_grc_dump_memories(p_hwfn, p_ptt, dump_buf + offset, dump); + + /* Dump MCP */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_MCP)) + offset += qed_grc_dump_mcp(p_hwfn, + p_ptt, dump_buf + offset, dump); + + /* Dump context */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_CM_CTX)) + offset += qed_grc_dump_ctx(p_hwfn, + p_ptt, dump_buf + offset, dump); + + /* Dump RSS memories */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_RSS)) + offset += qed_grc_dump_rss(p_hwfn, + p_ptt, dump_buf + offset, dump); + + /* Dump Big RAM */ + for (i = 0; i < NUM_BIG_RAM_TYPES; i++) + if (qed_grc_is_included(p_hwfn, s_big_ram_defs[i].grc_param)) + offset += qed_grc_dump_big_ram(p_hwfn, + p_ptt, + dump_buf + offset, + dump, i); + + /* Dump VFC */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_VFC)) { + dwords_read = qed_grc_dump_vfc(p_hwfn, + p_ptt, dump_buf + offset, dump); + offset += dwords_read; + if (!dwords_read) + return DBG_STATUS_VFC_READ_ERROR; + } + + /* Dump PHY tbus */ + if (qed_grc_is_included(p_hwfn, + DBG_GRC_PARAM_DUMP_PHY) && dev_data->chip_id == + CHIP_K2 && dev_data->hw_type == HW_TYPE_ASIC) + offset += qed_grc_dump_phy(p_hwfn, + p_ptt, dump_buf + offset, dump); + + /* Dump MCP HW Dump */ + if (qed_grc_is_included(p_hwfn, DBG_GRC_PARAM_DUMP_MCP_HW_DUMP) && + !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP) && 1) + offset += qed_grc_dump_mcp_hw_dump(p_hwfn, + p_ptt, + dump_buf + offset, dump); + + /* Dump static debug data (only if not during debug bus recording) */ + if (qed_grc_is_included(p_hwfn, + DBG_GRC_PARAM_DUMP_STATIC) && + (!dump || dev_data->bus.state == DBG_BUS_STATE_IDLE)) + offset += qed_grc_dump_static_debug(p_hwfn, + p_ptt, + dump_buf + offset, dump); + + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + if (dump) { + /* Unstall storms */ + if (qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_UNSTALL)) + qed_grc_stall_storms(p_hwfn, p_ptt, false); + + /* Clear parity status */ + qed_grc_clear_all_prty(p_hwfn, p_ptt); + + /* Enable all parities using MFW command */ + if (parities_masked) + qed_mcp_mask_parities(p_hwfn, p_ptt, 0); + } + + *num_dumped_dwords = offset; + + return DBG_STATUS_OK; +} + +/* Writes the specified failing Idle Check rule to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_idle_chk_dump_failure(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + u16 rule_id, + const struct dbg_idle_chk_rule *rule, + u16 fail_entry_id, u32 *cond_reg_values) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + const struct dbg_idle_chk_cond_reg *cond_regs; + const struct dbg_idle_chk_info_reg *info_regs; + u32 i, next_reg_offset = 0, offset = 0; + struct dbg_idle_chk_result_hdr *hdr; + const union dbg_idle_chk_reg *regs; + u8 reg_id; + + hdr = (struct dbg_idle_chk_result_hdr *)dump_buf; + regs = (const union dbg_idle_chk_reg *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_REGS].ptr + + rule->reg_offset; + cond_regs = ®s[0].cond_reg; + info_regs = ®s[rule->num_cond_regs].info_reg; + + /* Dump rule data */ + if (dump) { + memset(hdr, 0, sizeof(*hdr)); + hdr->rule_id = rule_id; + hdr->mem_entry_id = fail_entry_id; + hdr->severity = rule->severity; + hdr->num_dumped_cond_regs = rule->num_cond_regs; + } + + offset += IDLE_CHK_RESULT_HDR_DWORDS; + + /* Dump condition register values */ + for (reg_id = 0; reg_id < rule->num_cond_regs; reg_id++) { + const struct dbg_idle_chk_cond_reg *reg = &cond_regs[reg_id]; + struct dbg_idle_chk_result_reg_hdr *reg_hdr; + + reg_hdr = + (struct dbg_idle_chk_result_reg_hdr *)(dump_buf + offset); + + /* Write register header */ + if (!dump) { + offset += IDLE_CHK_RESULT_REG_HDR_DWORDS + + reg->entry_size; + continue; + } + + offset += IDLE_CHK_RESULT_REG_HDR_DWORDS; + memset(reg_hdr, 0, sizeof(*reg_hdr)); + reg_hdr->start_entry = reg->start_entry; + reg_hdr->size = reg->entry_size; + SET_FIELD(reg_hdr->data, + DBG_IDLE_CHK_RESULT_REG_HDR_IS_MEM, + reg->num_entries > 1 || reg->start_entry > 0 ? 1 : 0); + SET_FIELD(reg_hdr->data, + DBG_IDLE_CHK_RESULT_REG_HDR_REG_ID, reg_id); + + /* Write register values */ + for (i = 0; i < reg_hdr->size; i++, next_reg_offset++, offset++) + dump_buf[offset] = cond_reg_values[next_reg_offset]; + } + + /* Dump info register values */ + for (reg_id = 0; reg_id < rule->num_info_regs; reg_id++) { + const struct dbg_idle_chk_info_reg *reg = &info_regs[reg_id]; + u32 block_id; + + /* Check if register's block is in reset */ + if (!dump) { + offset += IDLE_CHK_RESULT_REG_HDR_DWORDS + reg->size; + continue; + } + + block_id = GET_FIELD(reg->data, DBG_IDLE_CHK_INFO_REG_BLOCK_ID); + if (block_id >= MAX_BLOCK_ID) { + DP_NOTICE(p_hwfn, "Invalid block_id\n"); + return 0; + } + + if (!dev_data->block_in_reset[block_id]) { + struct dbg_idle_chk_result_reg_hdr *reg_hdr; + bool wide_bus, eval_mode, mode_match = true; + u16 modes_buf_offset; + u32 addr; + + reg_hdr = (struct dbg_idle_chk_result_reg_hdr *) + (dump_buf + offset); + + /* Check mode */ + eval_mode = GET_FIELD(reg->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + if (eval_mode) { + modes_buf_offset = + GET_FIELD(reg->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + mode_match = + qed_is_mode_match(p_hwfn, + &modes_buf_offset); + } + + if (!mode_match) + continue; + + addr = GET_FIELD(reg->data, + DBG_IDLE_CHK_INFO_REG_ADDRESS); + wide_bus = GET_FIELD(reg->data, + DBG_IDLE_CHK_INFO_REG_WIDE_BUS); + + /* Write register header */ + offset += IDLE_CHK_RESULT_REG_HDR_DWORDS; + hdr->num_dumped_info_regs++; + memset(reg_hdr, 0, sizeof(*reg_hdr)); + reg_hdr->size = reg->size; + SET_FIELD(reg_hdr->data, + DBG_IDLE_CHK_RESULT_REG_HDR_REG_ID, + rule->num_cond_regs + reg_id); + + /* Write register values */ + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + addr, + reg->size, wide_bus, + SPLIT_TYPE_NONE, 0); + } + } + + return offset; +} + +/* Dumps idle check rule entries. Returns the dumped size in dwords. */ +static u32 +qed_idle_chk_dump_rule_entries(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, + u32 *dump_buf, bool dump, + const struct dbg_idle_chk_rule *input_rules, + u32 num_input_rules, u32 *num_failing_rules) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 cond_reg_values[IDLE_CHK_MAX_ENTRIES_SIZE]; + u32 i, offset = 0; + u16 entry_id; + u8 reg_id; + + *num_failing_rules = 0; + + for (i = 0; i < num_input_rules; i++) { + const struct dbg_idle_chk_cond_reg *cond_regs; + const struct dbg_idle_chk_rule *rule; + const union dbg_idle_chk_reg *regs; + u16 num_reg_entries = 1; + bool check_rule = true; + const u32 *imm_values; + + rule = &input_rules[i]; + regs = (const union dbg_idle_chk_reg *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_REGS].ptr + + rule->reg_offset; + cond_regs = ®s[0].cond_reg; + imm_values = + (u32 *)p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_IMMS].ptr + + rule->imm_offset; + + /* Check if all condition register blocks are out of reset, and + * find maximal number of entries (all condition registers that + * are memories must have the same size, which is > 1). + */ + for (reg_id = 0; reg_id < rule->num_cond_regs && check_rule; + reg_id++) { + u32 block_id = + GET_FIELD(cond_regs[reg_id].data, + DBG_IDLE_CHK_COND_REG_BLOCK_ID); + + if (block_id >= MAX_BLOCK_ID) { + DP_NOTICE(p_hwfn, "Invalid block_id\n"); + return 0; + } + + check_rule = !dev_data->block_in_reset[block_id]; + if (cond_regs[reg_id].num_entries > num_reg_entries) + num_reg_entries = cond_regs[reg_id].num_entries; + } + + if (!check_rule && dump) + continue; + + if (!dump) { + u32 entry_dump_size = + qed_idle_chk_dump_failure(p_hwfn, + p_ptt, + dump_buf + offset, + false, + rule->rule_id, + rule, + 0, + NULL); + + offset += num_reg_entries * entry_dump_size; + (*num_failing_rules) += num_reg_entries; + continue; + } + + /* Go over all register entries (number of entries is the same + * for all condition registers). + */ + for (entry_id = 0; entry_id < num_reg_entries; entry_id++) { + u32 next_reg_offset = 0; + + /* Read current entry of all condition registers */ + for (reg_id = 0; reg_id < rule->num_cond_regs; + reg_id++) { + const struct dbg_idle_chk_cond_reg *reg = + &cond_regs[reg_id]; + u32 padded_entry_size, addr; + bool wide_bus; + + /* Find GRC address (if it's a memory, the + * address of the specific entry is calculated). + */ + addr = GET_FIELD(reg->data, + DBG_IDLE_CHK_COND_REG_ADDRESS); + wide_bus = + GET_FIELD(reg->data, + DBG_IDLE_CHK_COND_REG_WIDE_BUS); + if (reg->num_entries > 1 || + reg->start_entry > 0) { + padded_entry_size = + reg->entry_size > 1 ? + roundup_pow_of_two(reg->entry_size) : + 1; + addr += (reg->start_entry + entry_id) * + padded_entry_size; + } + + /* Read registers */ + if (next_reg_offset + reg->entry_size >= + IDLE_CHK_MAX_ENTRIES_SIZE) { + DP_NOTICE(p_hwfn, + "idle check registers entry is too large\n"); + return 0; + } + + next_reg_offset += + qed_grc_dump_addr_range(p_hwfn, p_ptt, + cond_reg_values + + next_reg_offset, + dump, addr, + reg->entry_size, + wide_bus, + SPLIT_TYPE_NONE, 0); + } + + /* Call rule condition function. + * If returns true, it's a failure. + */ + if ((*cond_arr[rule->cond_id]) (cond_reg_values, + imm_values)) { + offset += qed_idle_chk_dump_failure(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + rule->rule_id, + rule, + entry_id, + cond_reg_values); + (*num_failing_rules)++; + } + } + } + + return offset; +} + +/* Performs Idle Check Dump to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_idle_chk_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + struct virt_mem_desc *dbg_buf = + &p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_RULES]; + u32 num_failing_rules_offset, offset = 0, + input_offset = 0, num_failing_rules = 0; + + /* Dump global params - 1 must match below amount of params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 1); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "idle-chk"); + + /* Dump idle check section header with a single parameter */ + offset += qed_dump_section_hdr(dump_buf + offset, dump, "idle_chk", 1); + num_failing_rules_offset = offset; + offset += qed_dump_num_param(dump_buf + offset, dump, "num_rules", 0); + + while (input_offset < BYTES_TO_DWORDS(dbg_buf->size)) { + const struct dbg_idle_chk_cond_hdr *cond_hdr = + (const struct dbg_idle_chk_cond_hdr *)dbg_buf->ptr + + input_offset++; + bool eval_mode, mode_match = true; + u32 curr_failing_rules; + u16 modes_buf_offset; + + /* Check mode */ + eval_mode = GET_FIELD(cond_hdr->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + if (eval_mode) { + modes_buf_offset = + GET_FIELD(cond_hdr->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + mode_match = qed_is_mode_match(p_hwfn, + &modes_buf_offset); + } + + if (mode_match) { + const struct dbg_idle_chk_rule *rule = + (const struct dbg_idle_chk_rule *)((u32 *) + dbg_buf->ptr + + input_offset); + u32 num_input_rules = + cond_hdr->data_size / IDLE_CHK_RULE_SIZE_DWORDS; + offset += + qed_idle_chk_dump_rule_entries(p_hwfn, + p_ptt, + dump_buf + + offset, + dump, + rule, + num_input_rules, + &curr_failing_rules); + num_failing_rules += curr_failing_rules; + } + + input_offset += cond_hdr->data_size; + } + + /* Overwrite num_rules parameter */ + if (dump) + qed_dump_num_param(dump_buf + num_failing_rules_offset, + dump, "num_rules", num_failing_rules); + + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + return offset; +} + +/* Get info on the MCP Trace data in the scratchpad: + * - trace_data_grc_addr (OUT): trace data GRC address in bytes + * - trace_data_size (OUT): trace data size in bytes (without the header) + */ +static enum dbg_status qed_mcp_trace_get_data_info(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *trace_data_grc_addr, + u32 *trace_data_size) +{ + u32 spad_trace_offsize, signature; + + /* Read trace section offsize structure from MCP scratchpad */ + spad_trace_offsize = qed_rd(p_hwfn, p_ptt, MCP_SPAD_TRACE_OFFSIZE_ADDR); + + /* Extract trace section address from offsize (in scratchpad) */ + *trace_data_grc_addr = + MCP_REG_SCRATCH + SECTION_OFFSET(spad_trace_offsize); + + /* Read signature from MCP trace section */ + signature = qed_rd(p_hwfn, p_ptt, + *trace_data_grc_addr + + offsetof(struct mcp_trace, signature)); + + if (signature != MFW_TRACE_SIGNATURE) + return DBG_STATUS_INVALID_TRACE_SIGNATURE; + + /* Read trace size from MCP trace section */ + *trace_data_size = qed_rd(p_hwfn, + p_ptt, + *trace_data_grc_addr + + offsetof(struct mcp_trace, size)); + + return DBG_STATUS_OK; +} + +/* Reads MCP trace meta data image from NVRAM + * - running_bundle_id (OUT): running bundle ID (invalid when loaded from file) + * - trace_meta_offset (OUT): trace meta offset in NVRAM in bytes (invalid when + * loaded from file). + * - trace_meta_size (OUT): size in bytes of the trace meta data. + */ +static enum dbg_status qed_mcp_trace_get_meta_info(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 trace_data_size_bytes, + u32 *running_bundle_id, + u32 *trace_meta_offset, + u32 *trace_meta_size) +{ + u32 spad_trace_offsize, nvram_image_type, running_mfw_addr; + + /* Read MCP trace section offsize structure from MCP scratchpad */ + spad_trace_offsize = qed_rd(p_hwfn, p_ptt, MCP_SPAD_TRACE_OFFSIZE_ADDR); + + /* Find running bundle ID */ + running_mfw_addr = + MCP_REG_SCRATCH + SECTION_OFFSET(spad_trace_offsize) + + QED_SECTION_SIZE(spad_trace_offsize) + trace_data_size_bytes; + *running_bundle_id = qed_rd(p_hwfn, p_ptt, running_mfw_addr); + if (*running_bundle_id > 1) + return DBG_STATUS_INVALID_NVRAM_BUNDLE; + + /* Find image in NVRAM */ + nvram_image_type = + (*running_bundle_id == + DIR_ID_1) ? NVM_TYPE_MFW_TRACE1 : NVM_TYPE_MFW_TRACE2; + return qed_find_nvram_image(p_hwfn, + p_ptt, + nvram_image_type, + trace_meta_offset, + trace_meta_size, + true); +} + +/* Reads the MCP Trace meta data from NVRAM into the specified buffer */ +static enum dbg_status qed_mcp_trace_read_meta(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 nvram_offset_in_bytes, + u32 size_in_bytes, u32 *buf) +{ + u8 modules_num, module_len, i, *byte_buf = (u8 *)buf; + enum dbg_status status; + u32 signature; + + /* Read meta data from NVRAM */ + status = qed_nvram_read(p_hwfn, + p_ptt, + nvram_offset_in_bytes, + size_in_bytes, + buf, + true); + if (status != DBG_STATUS_OK) + return status; + + /* Extract and check first signature */ + signature = qed_read_unaligned_dword(byte_buf); + byte_buf += sizeof(signature); + if (signature != NVM_MAGIC_VALUE) + return DBG_STATUS_INVALID_TRACE_SIGNATURE; + + /* Extract number of modules */ + modules_num = *(byte_buf++); + + /* Skip all modules */ + for (i = 0; i < modules_num; i++) { + module_len = *(byte_buf++); + byte_buf += module_len; + } + + /* Extract and check second signature */ + signature = qed_read_unaligned_dword(byte_buf); + byte_buf += sizeof(signature); + if (signature != NVM_MAGIC_VALUE) + return DBG_STATUS_INVALID_TRACE_SIGNATURE; + + return DBG_STATUS_OK; +} + +/* Dump MCP Trace */ +static enum dbg_status qed_mcp_trace_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, u32 *num_dumped_dwords) +{ + u32 trace_data_grc_addr, trace_data_size_bytes, trace_data_size_dwords; + u32 trace_meta_size_dwords = 0, running_bundle_id, offset = 0; + u32 trace_meta_offset_bytes = 0, trace_meta_size_bytes = 0; + enum dbg_status status; + int halted = 0; + bool use_mfw; + + *num_dumped_dwords = 0; + + use_mfw = !qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_NO_MCP); + + /* Get trace data info */ + status = qed_mcp_trace_get_data_info(p_hwfn, + p_ptt, + &trace_data_grc_addr, + &trace_data_size_bytes); + if (status != DBG_STATUS_OK) + return status; + + /* Dump global params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 1); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "mcp-trace"); + + /* Halt MCP while reading from scratchpad so the read data will be + * consistent. if halt fails, MCP trace is taken anyway, with a small + * risk that it may be corrupt. + */ + if (dump && use_mfw) { + halted = !qed_mcp_halt(p_hwfn, p_ptt); + if (!halted) + DP_NOTICE(p_hwfn, "MCP halt failed!\n"); + } + + /* Find trace data size */ + trace_data_size_dwords = + DIV_ROUND_UP(trace_data_size_bytes + sizeof(struct mcp_trace), + BYTES_IN_DWORD); + + /* Dump trace data section header and param */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "mcp_trace_data", 1); + offset += qed_dump_num_param(dump_buf + offset, + dump, "size", trace_data_size_dwords); + + /* Read trace data from scratchpad into dump buffer */ + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + dump, + BYTES_TO_DWORDS(trace_data_grc_addr), + trace_data_size_dwords, false, + SPLIT_TYPE_NONE, 0); + + /* Resume MCP (only if halt succeeded) */ + if (halted && qed_mcp_resume(p_hwfn, p_ptt)) + DP_NOTICE(p_hwfn, "Failed to resume MCP after halt!\n"); + + /* Dump trace meta section header */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "mcp_trace_meta", 1); + + /* If MCP Trace meta size parameter was set, use it. + * Otherwise, read trace meta. + * trace_meta_size_bytes is dword-aligned. + */ + trace_meta_size_bytes = + qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_MCP_TRACE_META_SIZE); + if ((!trace_meta_size_bytes || dump) && use_mfw) + status = qed_mcp_trace_get_meta_info(p_hwfn, + p_ptt, + trace_data_size_bytes, + &running_bundle_id, + &trace_meta_offset_bytes, + &trace_meta_size_bytes); + if (status == DBG_STATUS_OK) + trace_meta_size_dwords = BYTES_TO_DWORDS(trace_meta_size_bytes); + + /* Dump trace meta size param */ + offset += qed_dump_num_param(dump_buf + offset, + dump, "size", trace_meta_size_dwords); + + /* Read trace meta image into dump buffer */ + if (dump && trace_meta_size_dwords) + status = qed_mcp_trace_read_meta(p_hwfn, + p_ptt, + trace_meta_offset_bytes, + trace_meta_size_bytes, + dump_buf + offset); + if (status == DBG_STATUS_OK) + offset += trace_meta_size_dwords; + + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + *num_dumped_dwords = offset; + + /* If no mcp access, indicate that the dump doesn't contain the meta + * data from NVRAM. + */ + return use_mfw ? status : DBG_STATUS_NVRAM_GET_IMAGE_FAILED; +} + +/* Dump GRC FIFO */ +static enum dbg_status qed_reg_fifo_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, u32 *num_dumped_dwords) +{ + u32 dwords_read, size_param_offset, offset = 0, addr, len; + bool fifo_has_data; + + *num_dumped_dwords = 0; + + /* Dump global params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 1); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "reg-fifo"); + + /* Dump fifo data section header and param. The size param is 0 for + * now, and is overwritten after reading the FIFO. + */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "reg_fifo_data", 1); + size_param_offset = offset; + offset += qed_dump_num_param(dump_buf + offset, dump, "size", 0); + + if (!dump) { + /* FIFO max size is REG_FIFO_DEPTH_DWORDS. There is no way to + * test how much data is available, except for reading it. + */ + offset += REG_FIFO_DEPTH_DWORDS; + goto out; + } + + fifo_has_data = qed_rd(p_hwfn, p_ptt, + GRC_REG_TRACE_FIFO_VALID_DATA) > 0; + + /* Pull available data from fifo. Use DMAE since this is widebus memory + * and must be accessed atomically. Test for dwords_read not passing + * buffer size since more entries could be added to the buffer as we are + * emptying it. + */ + addr = BYTES_TO_DWORDS(GRC_REG_TRACE_FIFO); + len = REG_FIFO_ELEMENT_DWORDS; + for (dwords_read = 0; + fifo_has_data && dwords_read < REG_FIFO_DEPTH_DWORDS; + dwords_read += REG_FIFO_ELEMENT_DWORDS) { + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + true, + addr, + len, + true, SPLIT_TYPE_NONE, + 0); + fifo_has_data = qed_rd(p_hwfn, p_ptt, + GRC_REG_TRACE_FIFO_VALID_DATA) > 0; + } + + qed_dump_num_param(dump_buf + size_param_offset, dump, "size", + dwords_read); +out: + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + *num_dumped_dwords = offset; + + return DBG_STATUS_OK; +} + +/* Dump IGU FIFO */ +static enum dbg_status qed_igu_fifo_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, u32 *num_dumped_dwords) +{ + u32 dwords_read, size_param_offset, offset = 0, addr, len; + bool fifo_has_data; + + *num_dumped_dwords = 0; + + /* Dump global params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 1); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "igu-fifo"); + + /* Dump fifo data section header and param. The size param is 0 for + * now, and is overwritten after reading the FIFO. + */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "igu_fifo_data", 1); + size_param_offset = offset; + offset += qed_dump_num_param(dump_buf + offset, dump, "size", 0); + + if (!dump) { + /* FIFO max size is IGU_FIFO_DEPTH_DWORDS. There is no way to + * test how much data is available, except for reading it. + */ + offset += IGU_FIFO_DEPTH_DWORDS; + goto out; + } + + fifo_has_data = qed_rd(p_hwfn, p_ptt, + IGU_REG_ERROR_HANDLING_DATA_VALID) > 0; + + /* Pull available data from fifo. Use DMAE since this is widebus memory + * and must be accessed atomically. Test for dwords_read not passing + * buffer size since more entries could be added to the buffer as we are + * emptying it. + */ + addr = BYTES_TO_DWORDS(IGU_REG_ERROR_HANDLING_MEMORY); + len = IGU_FIFO_ELEMENT_DWORDS; + for (dwords_read = 0; + fifo_has_data && dwords_read < IGU_FIFO_DEPTH_DWORDS; + dwords_read += IGU_FIFO_ELEMENT_DWORDS) { + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + true, + addr, + len, + true, SPLIT_TYPE_NONE, + 0); + fifo_has_data = qed_rd(p_hwfn, p_ptt, + IGU_REG_ERROR_HANDLING_DATA_VALID) > 0; + } + + qed_dump_num_param(dump_buf + size_param_offset, dump, "size", + dwords_read); +out: + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + *num_dumped_dwords = offset; + + return DBG_STATUS_OK; +} + +/* Protection Override dump */ +static enum dbg_status qed_protection_override_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + u32 *num_dumped_dwords) +{ + u32 size_param_offset, override_window_dwords, offset = 0, addr; + + *num_dumped_dwords = 0; + + /* Dump global params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 1); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "protection-override"); + + /* Dump data section header and param. The size param is 0 for now, + * and is overwritten after reading the data. + */ + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "protection_override_data", 1); + size_param_offset = offset; + offset += qed_dump_num_param(dump_buf + offset, dump, "size", 0); + + if (!dump) { + offset += PROTECTION_OVERRIDE_DEPTH_DWORDS; + goto out; + } + + /* Add override window info to buffer */ + override_window_dwords = + qed_rd(p_hwfn, p_ptt, GRC_REG_NUMBER_VALID_OVERRIDE_WINDOW) * + PROTECTION_OVERRIDE_ELEMENT_DWORDS; + if (override_window_dwords) { + addr = BYTES_TO_DWORDS(GRC_REG_PROTECTION_OVERRIDE_WINDOW); + offset += qed_grc_dump_addr_range(p_hwfn, + p_ptt, + dump_buf + offset, + true, + addr, + override_window_dwords, + true, SPLIT_TYPE_NONE, 0); + qed_dump_num_param(dump_buf + size_param_offset, dump, "size", + override_window_dwords); + } +out: + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + *num_dumped_dwords = offset; + + return DBG_STATUS_OK; +} + +/* Performs FW Asserts Dump to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_fw_asserts_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, bool dump) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + struct fw_asserts_ram_section *asserts; + char storm_letter_str[2] = "?"; + struct fw_info fw_info; + u32 offset = 0; + u8 storm_id; + + /* Dump global params */ + offset += qed_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, dump, 1); + offset += qed_dump_str_param(dump_buf + offset, + dump, "dump-type", "fw-asserts"); + + /* Find Storm dump size */ + for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) { + u32 fw_asserts_section_addr, next_list_idx_addr, next_list_idx; + struct storm_defs *storm = &s_storm_defs[storm_id]; + u32 last_list_idx, addr; + + if (dev_data->block_in_reset[storm->sem_block_id]) + continue; + + /* Read FW info for the current Storm */ + qed_read_storm_fw_info(p_hwfn, p_ptt, storm_id, &fw_info); + + asserts = &fw_info.fw_asserts_section; + + /* Dump FW Asserts section header and params */ + storm_letter_str[0] = storm->letter; + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "fw_asserts", 2); + offset += qed_dump_str_param(dump_buf + offset, + dump, "storm", storm_letter_str); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "size", + asserts->list_element_dword_size); + + /* Read and dump FW Asserts data */ + if (!dump) { + offset += asserts->list_element_dword_size; + continue; + } + + addr = le16_to_cpu(asserts->section_ram_line_offset); + fw_asserts_section_addr = storm->sem_fast_mem_addr + + SEM_FAST_REG_INT_RAM + + RAM_LINES_TO_BYTES(addr); + + next_list_idx_addr = fw_asserts_section_addr + + DWORDS_TO_BYTES(asserts->list_next_index_dword_offset); + next_list_idx = qed_rd(p_hwfn, p_ptt, next_list_idx_addr); + last_list_idx = (next_list_idx > 0 ? + next_list_idx : + asserts->list_num_elements) - 1; + addr = BYTES_TO_DWORDS(fw_asserts_section_addr) + + asserts->list_dword_offset + + last_list_idx * asserts->list_element_dword_size; + offset += + qed_grc_dump_addr_range(p_hwfn, p_ptt, + dump_buf + offset, + dump, addr, + asserts->list_element_dword_size, + false, SPLIT_TYPE_NONE, 0); + } + + /* Dump last section */ + offset += qed_dump_last_section(dump_buf, offset, dump); + + return offset; +} + +/* Dumps the specified ILT pages to the specified buffer. + * Returns the dumped size in dwords. + */ +static u32 qed_ilt_dump_pages_range(u32 *dump_buf, u32 *given_offset, + bool *dump, u32 start_page_id, + u32 num_pages, + struct phys_mem_desc *ilt_pages, + bool dump_page_ids, u32 buf_size_in_dwords, + u32 *given_actual_dump_size_in_dwords) +{ + u32 actual_dump_size_in_dwords = *given_actual_dump_size_in_dwords; + u32 page_id, end_page_id, offset = *given_offset; + struct phys_mem_desc *mem_desc = NULL; + bool continue_dump = *dump; + u32 partial_page_size = 0; + + if (num_pages == 0) + return offset; + + end_page_id = start_page_id + num_pages - 1; + + for (page_id = start_page_id; page_id <= end_page_id; page_id++) { + mem_desc = &ilt_pages[page_id]; + if (!ilt_pages[page_id].virt_addr) + continue; + + if (dump_page_ids) { + /* Copy page ID to dump buffer + * (if dump is needed and buffer is not full) + */ + if ((continue_dump) && + (offset + 1 > buf_size_in_dwords)) { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + if (continue_dump) + *(dump_buf + offset) = page_id; + offset++; + } else { + /* Copy page memory to dump buffer */ + if ((continue_dump) && + (offset + BYTES_TO_DWORDS(mem_desc->size) > + buf_size_in_dwords)) { + if (offset + BYTES_TO_DWORDS(mem_desc->size) > + buf_size_in_dwords) { + partial_page_size = + buf_size_in_dwords - offset; + memcpy(dump_buf + offset, + mem_desc->virt_addr, + partial_page_size); + continue_dump = false; + actual_dump_size_in_dwords = + offset + partial_page_size; + } + } + + if (continue_dump) + memcpy(dump_buf + offset, + mem_desc->virt_addr, mem_desc->size); + offset += BYTES_TO_DWORDS(mem_desc->size); + } + } + + *dump = continue_dump; + *given_offset = offset; + *given_actual_dump_size_in_dwords = actual_dump_size_in_dwords; + + return offset; +} + +/* Dumps a section containing the dumped ILT pages. + * Returns the dumped size in dwords. + */ +static u32 qed_ilt_dump_pages_section(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 *given_offset, + bool *dump, + u32 valid_conn_pf_pages, + u32 valid_conn_vf_pages, + struct phys_mem_desc *ilt_pages, + bool dump_page_ids, + u32 buf_size_in_dwords, + u32 *given_actual_dump_size_in_dwords) +{ + struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients; + u32 pf_start_line, start_page_id, offset = *given_offset; + u32 cdut_pf_init_pages, cdut_vf_init_pages; + u32 cdut_pf_work_pages, cdut_vf_work_pages; + u32 base_data_offset, size_param_offset; + u32 src_pages; + u32 section_header_and_param_size; + u32 cdut_pf_pages, cdut_vf_pages; + u32 actual_dump_size_in_dwords; + bool continue_dump = *dump; + bool update_size = *dump; + const char *section_name; + u32 i; + + actual_dump_size_in_dwords = *given_actual_dump_size_in_dwords; + section_name = dump_page_ids ? "ilt_page_ids" : "ilt_page_mem"; + cdut_pf_init_pages = qed_get_cdut_num_pf_init_pages(p_hwfn); + cdut_vf_init_pages = qed_get_cdut_num_vf_init_pages(p_hwfn); + cdut_pf_work_pages = qed_get_cdut_num_pf_work_pages(p_hwfn); + cdut_vf_work_pages = qed_get_cdut_num_vf_work_pages(p_hwfn); + cdut_pf_pages = cdut_pf_init_pages + cdut_pf_work_pages; + cdut_vf_pages = cdut_vf_init_pages + cdut_vf_work_pages; + pf_start_line = p_hwfn->p_cxt_mngr->pf_start_line; + section_header_and_param_size = qed_dump_section_hdr(NULL, + false, + section_name, + 1) + + qed_dump_num_param(NULL, false, "size", 0); + + if ((continue_dump) && + (offset + section_header_and_param_size > buf_size_in_dwords)) { + continue_dump = false; + update_size = false; + actual_dump_size_in_dwords = offset; + } + + offset += qed_dump_section_hdr(dump_buf + offset, + continue_dump, section_name, 1); + + /* Dump size parameter (0 for now, overwritten with real size later) */ + size_param_offset = offset; + offset += qed_dump_num_param(dump_buf + offset, + continue_dump, "size", 0); + base_data_offset = offset; + + /* CDUC pages are ordered as follows: + * - PF pages - valid section (included in PF connection type mapping) + * - PF pages - invalid section (not dumped) + * - For each VF in the PF: + * - VF pages - valid section (included in VF connection type mapping) + * - VF pages - invalid section (not dumped) + */ + if (qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_DUMP_ILT_CDUC)) { + /* Dump connection PF pages */ + start_page_id = clients[ILT_CLI_CDUC].first.val - pf_start_line; + qed_ilt_dump_pages_range(dump_buf, &offset, &continue_dump, + start_page_id, valid_conn_pf_pages, + ilt_pages, dump_page_ids, + buf_size_in_dwords, + &actual_dump_size_in_dwords); + + /* Dump connection VF pages */ + start_page_id += clients[ILT_CLI_CDUC].pf_total_lines; + for (i = 0; i < p_hwfn->p_cxt_mngr->vf_count; + i++, start_page_id += clients[ILT_CLI_CDUC].vf_total_lines) + qed_ilt_dump_pages_range(dump_buf, &offset, + &continue_dump, start_page_id, + valid_conn_vf_pages, + ilt_pages, dump_page_ids, + buf_size_in_dwords, + &actual_dump_size_in_dwords); + } + + /* CDUT pages are ordered as follows: + * - PF init pages (not dumped) + * - PF work pages + * - For each VF in the PF: + * - VF init pages (not dumped) + * - VF work pages + */ + if (qed_grc_get_param(p_hwfn, DBG_GRC_PARAM_DUMP_ILT_CDUT)) { + /* Dump task PF pages */ + start_page_id = clients[ILT_CLI_CDUT].first.val + + cdut_pf_init_pages - pf_start_line; + qed_ilt_dump_pages_range(dump_buf, &offset, &continue_dump, + start_page_id, cdut_pf_work_pages, + ilt_pages, dump_page_ids, + buf_size_in_dwords, + &actual_dump_size_in_dwords); + + /* Dump task VF pages */ + start_page_id = clients[ILT_CLI_CDUT].first.val + + cdut_pf_pages + cdut_vf_init_pages - pf_start_line; + for (i = 0; i < p_hwfn->p_cxt_mngr->vf_count; + i++, start_page_id += cdut_vf_pages) + qed_ilt_dump_pages_range(dump_buf, &offset, + &continue_dump, start_page_id, + cdut_vf_work_pages, ilt_pages, + dump_page_ids, + buf_size_in_dwords, + &actual_dump_size_in_dwords); + } + + /*Dump Searcher pages */ + if (clients[ILT_CLI_SRC].active) { + start_page_id = clients[ILT_CLI_SRC].first.val - pf_start_line; + src_pages = clients[ILT_CLI_SRC].last.val - + clients[ILT_CLI_SRC].first.val + 1; + qed_ilt_dump_pages_range(dump_buf, &offset, &continue_dump, + start_page_id, src_pages, ilt_pages, + dump_page_ids, buf_size_in_dwords, + &actual_dump_size_in_dwords); + } + + /* Overwrite size param */ + if (update_size) { + u32 section_size = (*dump == continue_dump) ? + offset - base_data_offset : + actual_dump_size_in_dwords - base_data_offset; + if (section_size > 0) + qed_dump_num_param(dump_buf + size_param_offset, + *dump, "size", section_size); + else if ((section_size == 0) && (*dump != continue_dump)) + actual_dump_size_in_dwords -= + section_header_and_param_size; + } + + *dump = continue_dump; + *given_offset = offset; + *given_actual_dump_size_in_dwords = actual_dump_size_in_dwords; + + return offset; +} + +/* Dumps a section containing the global parameters. + * Part of ilt dump process + * Returns the dumped size in dwords. + */ +static u32 +qed_ilt_dump_dump_common_global_params(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + bool dump, + u32 cduc_page_size, + u32 conn_ctx_size, + u32 cdut_page_size, + u32 *full_dump_size_param_offset, + u32 *actual_dump_size_param_offset) +{ + struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients; + u32 offset = 0; + + offset += qed_dump_common_global_params(p_hwfn, p_ptt, + dump_buf + offset, + dump, 30); + offset += qed_dump_str_param(dump_buf + offset, + dump, + "dump-type", "ilt-dump"); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cduc-page-size", + cduc_page_size); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cduc-first-page-id", + clients[ILT_CLI_CDUC].first.val); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cduc-last-page-id", + clients[ILT_CLI_CDUC].last.val); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cduc-num-pf-pages", + clients[ILT_CLI_CDUC].pf_total_lines); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cduc-num-vf-pages", + clients[ILT_CLI_CDUC].vf_total_lines); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "max-conn-ctx-size", + conn_ctx_size); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-page-size", + cdut_page_size); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-first-page-id", + clients[ILT_CLI_CDUT].first.val); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-last-page-id", + clients[ILT_CLI_CDUT].last.val); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-num-pf-init-pages", + qed_get_cdut_num_pf_init_pages(p_hwfn)); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-num-vf-init-pages", + qed_get_cdut_num_vf_init_pages(p_hwfn)); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-num-pf-work-pages", + qed_get_cdut_num_pf_work_pages(p_hwfn)); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "cdut-num-vf-work-pages", + qed_get_cdut_num_vf_work_pages(p_hwfn)); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "max-task-ctx-size", + p_hwfn->p_cxt_mngr->task_ctx_size); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "first-vf-id-in-pf", + p_hwfn->p_cxt_mngr->first_vf_in_pf); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "num-vfs-in-pf", + p_hwfn->p_cxt_mngr->vf_count); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "ptr-size-bytes", + sizeof(void *)); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "pf-start-line", + p_hwfn->p_cxt_mngr->pf_start_line); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "page-mem-desc-size-dwords", + PAGE_MEM_DESC_SIZE_DWORDS); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "ilt-shadow-size", + p_hwfn->p_cxt_mngr->ilt_shadow_size); + + *full_dump_size_param_offset = offset; + + offset += qed_dump_num_param(dump_buf + offset, + dump, "dump-size-full", 0); + + *actual_dump_size_param_offset = offset; + + offset += qed_dump_num_param(dump_buf + offset, + dump, + "dump-size-actual", 0); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "iscsi_task_pages", + p_hwfn->p_cxt_mngr->iscsi_task_pages); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "fcoe_task_pages", + p_hwfn->p_cxt_mngr->fcoe_task_pages); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "roce_task_pages", + p_hwfn->p_cxt_mngr->roce_task_pages); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "eth_task_pages", + p_hwfn->p_cxt_mngr->eth_task_pages); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "src-first-page-id", + clients[ILT_CLI_SRC].first.val); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "src-last-page-id", + clients[ILT_CLI_SRC].last.val); + offset += qed_dump_num_param(dump_buf + offset, + dump, + "src-is-active", + clients[ILT_CLI_SRC].active); + + /* Additional/Less parameters require matching of number in call to + * dump_common_global_params() + */ + + return offset; +} + +/* Dump section containing number of PF CIDs per connection type. + * Part of ilt dump process. + * Returns the dumped size in dwords. + */ +static u32 qed_ilt_dump_dump_num_pf_cids(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + bool dump, u32 *valid_conn_pf_cids) +{ + u32 num_pf_cids = 0; + u32 offset = 0; + u8 conn_type; + + offset += qed_dump_section_hdr(dump_buf + offset, + dump, "num_pf_cids_per_conn_type", 1); + offset += qed_dump_num_param(dump_buf + offset, + dump, "size", NUM_OF_CONNECTION_TYPES); + for (conn_type = 0, *valid_conn_pf_cids = 0; + conn_type < NUM_OF_CONNECTION_TYPES; conn_type++, offset++) { + num_pf_cids = p_hwfn->p_cxt_mngr->conn_cfg[conn_type].cid_count; + if (dump) + *(dump_buf + offset) = num_pf_cids; + *valid_conn_pf_cids += num_pf_cids; + } + + return offset; +} + +/* Dump section containing number of VF CIDs per connection type + * Part of ilt dump process. + * Returns the dumped size in dwords. + */ +static u32 qed_ilt_dump_dump_num_vf_cids(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + bool dump, u32 *valid_conn_vf_cids) +{ + u32 num_vf_cids = 0; + u32 offset = 0; + u8 conn_type; + + offset += qed_dump_section_hdr(dump_buf + offset, dump, + "num_vf_cids_per_conn_type", 1); + offset += qed_dump_num_param(dump_buf + offset, + dump, "size", NUM_OF_CONNECTION_TYPES); + for (conn_type = 0, *valid_conn_vf_cids = 0; + conn_type < NUM_OF_CONNECTION_TYPES; conn_type++, offset++) { + num_vf_cids = + p_hwfn->p_cxt_mngr->conn_cfg[conn_type].cids_per_vf; + if (dump) + *(dump_buf + offset) = num_vf_cids; + *valid_conn_vf_cids += num_vf_cids; + } + + return offset; +} + +/* Performs ILT Dump to the specified buffer. + * buf_size_in_dwords - The dumped buffer size. + * Returns the dumped size in dwords. + */ +static u32 qed_ilt_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, u32 buf_size_in_dwords, bool dump) +{ +#if ((!defined VMWARE) && (!defined UEFI)) + struct qed_ilt_client_cfg *clients = p_hwfn->p_cxt_mngr->clients; +#endif + u32 valid_conn_vf_cids = 0, + valid_conn_vf_pages, offset = 0, real_dumped_size = 0; + u32 valid_conn_pf_cids = 0, valid_conn_pf_pages, num_pages; + u32 num_cids_per_page, conn_ctx_size; + u32 cduc_page_size, cdut_page_size; + u32 actual_dump_size_in_dwords = 0; + struct phys_mem_desc *ilt_pages; + u32 actul_dump_off = 0; + u32 last_section_size; + u32 full_dump_off = 0; + u32 section_size = 0; + bool continue_dump; + u32 page_id; + + last_section_size = qed_dump_last_section(NULL, 0, false); + cduc_page_size = 1 << + (clients[ILT_CLI_CDUC].p_size.val + PXP_ILT_PAGE_SIZE_NUM_BITS_MIN); + cdut_page_size = 1 << + (clients[ILT_CLI_CDUT].p_size.val + PXP_ILT_PAGE_SIZE_NUM_BITS_MIN); + conn_ctx_size = p_hwfn->p_cxt_mngr->conn_ctx_size; + num_cids_per_page = (int)(cduc_page_size / conn_ctx_size); + ilt_pages = p_hwfn->p_cxt_mngr->ilt_shadow; + continue_dump = dump; + + /* if need to dump then save memory for the last section + * (last section calculates CRC of dumped data) + */ + if (dump) { + if (buf_size_in_dwords >= last_section_size) { + buf_size_in_dwords -= last_section_size; + } else { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + } + + /* Dump global params */ + + /* if need to dump then first check that there is enough memory + * in dumped buffer for this section calculate the size of this + * section without dumping. if there is not enough memory - then + * stop the dumping. + */ + if (continue_dump) { + section_size = + qed_ilt_dump_dump_common_global_params(p_hwfn, + p_ptt, + NULL, + false, + cduc_page_size, + conn_ctx_size, + cdut_page_size, + &full_dump_off, + &actul_dump_off); + if (offset + section_size > buf_size_in_dwords) { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + } + + offset += qed_ilt_dump_dump_common_global_params(p_hwfn, + p_ptt, + dump_buf + offset, + continue_dump, + cduc_page_size, + conn_ctx_size, + cdut_page_size, + &full_dump_off, + &actul_dump_off); + + /* Dump section containing number of PF CIDs per connection type + * If need to dump then first check that there is enough memory in + * dumped buffer for this section. + */ + if (continue_dump) { + section_size = + qed_ilt_dump_dump_num_pf_cids(p_hwfn, + NULL, + false, + &valid_conn_pf_cids); + if (offset + section_size > buf_size_in_dwords) { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + } + + offset += qed_ilt_dump_dump_num_pf_cids(p_hwfn, + dump_buf + offset, + continue_dump, + &valid_conn_pf_cids); + + /* Dump section containing number of VF CIDs per connection type + * If need to dump then first check that there is enough memory in + * dumped buffer for this section. + */ + if (continue_dump) { + section_size = + qed_ilt_dump_dump_num_vf_cids(p_hwfn, + NULL, + false, + &valid_conn_vf_cids); + if (offset + section_size > buf_size_in_dwords) { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + } + + offset += qed_ilt_dump_dump_num_vf_cids(p_hwfn, + dump_buf + offset, + continue_dump, + &valid_conn_vf_cids); + + /* Dump section containing physical memory descriptors for each + * ILT page. + */ + num_pages = p_hwfn->p_cxt_mngr->ilt_shadow_size; + + /* If need to dump then first check that there is enough memory + * in dumped buffer for the section header. + */ + if (continue_dump) { + section_size = qed_dump_section_hdr(NULL, + false, + "ilt_page_desc", + 1) + + qed_dump_num_param(NULL, + false, + "size", + num_pages * PAGE_MEM_DESC_SIZE_DWORDS); + if (offset + section_size > buf_size_in_dwords) { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + } + + offset += qed_dump_section_hdr(dump_buf + offset, + continue_dump, "ilt_page_desc", 1); + offset += qed_dump_num_param(dump_buf + offset, + continue_dump, + "size", + num_pages * PAGE_MEM_DESC_SIZE_DWORDS); + + /* Copy memory descriptors to dump buffer + * If need to dump then dump till the dump buffer size + */ + if (continue_dump) { + for (page_id = 0; page_id < num_pages; + page_id++, offset += PAGE_MEM_DESC_SIZE_DWORDS) { + if (continue_dump && + (offset + PAGE_MEM_DESC_SIZE_DWORDS <= + buf_size_in_dwords)) { + memcpy(dump_buf + offset, + &ilt_pages[page_id], + DWORDS_TO_BYTES + (PAGE_MEM_DESC_SIZE_DWORDS)); + } else { + if (continue_dump) { + continue_dump = false; + actual_dump_size_in_dwords = offset; + } + } + } + } else { + offset += num_pages * PAGE_MEM_DESC_SIZE_DWORDS; + } + + valid_conn_pf_pages = DIV_ROUND_UP(valid_conn_pf_cids, + num_cids_per_page); + valid_conn_vf_pages = DIV_ROUND_UP(valid_conn_vf_cids, + num_cids_per_page); + + /* Dump ILT pages IDs */ + qed_ilt_dump_pages_section(p_hwfn, dump_buf, &offset, &continue_dump, + valid_conn_pf_pages, valid_conn_vf_pages, + ilt_pages, true, buf_size_in_dwords, + &actual_dump_size_in_dwords); + + /* Dump ILT pages memory */ + qed_ilt_dump_pages_section(p_hwfn, dump_buf, &offset, &continue_dump, + valid_conn_pf_pages, valid_conn_vf_pages, + ilt_pages, false, buf_size_in_dwords, + &actual_dump_size_in_dwords); + + real_dumped_size = + (continue_dump == dump) ? offset : actual_dump_size_in_dwords; + qed_dump_num_param(dump_buf + full_dump_off, dump, + "full-dump-size", offset + last_section_size); + qed_dump_num_param(dump_buf + actul_dump_off, + dump, + "actual-dump-size", + real_dumped_size + last_section_size); + + /* Dump last section */ + real_dumped_size += qed_dump_last_section(dump_buf, + real_dumped_size, dump); + + return real_dumped_size; +} + +/***************************** Public Functions *******************************/ + +enum dbg_status qed_dbg_set_bin_ptr(struct qed_hwfn *p_hwfn, + const u8 * const bin_ptr) +{ + struct bin_buffer_hdr *buf_hdrs = (struct bin_buffer_hdr *)bin_ptr; + u8 buf_id; + + /* Convert binary data to debug arrays */ + for (buf_id = 0; buf_id < MAX_BIN_DBG_BUFFER_TYPE; buf_id++) + qed_set_dbg_bin_buf(p_hwfn, + buf_id, + (u32 *)(bin_ptr + buf_hdrs[buf_id].offset), + buf_hdrs[buf_id].length); + + return DBG_STATUS_OK; +} + +static enum dbg_status qed_dbg_set_app_ver(u32 ver) +{ + if (ver < TOOLS_VERSION) + return DBG_STATUS_UNSUPPORTED_APP_VERSION; + + s_app_ver = ver; + + return DBG_STATUS_OK; +} + +bool qed_read_fw_info(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, struct fw_info *fw_info) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u8 storm_id; + + for (storm_id = 0; storm_id < MAX_DBG_STORMS; storm_id++) { + struct storm_defs *storm = &s_storm_defs[storm_id]; + + /* Skip Storm if it's in reset */ + if (dev_data->block_in_reset[storm->sem_block_id]) + continue; + + /* Read FW info for the current Storm */ + qed_read_storm_fw_info(p_hwfn, p_ptt, storm_id, fw_info); + + return true; + } + + return false; +} + +enum dbg_status qed_dbg_grc_config(struct qed_hwfn *p_hwfn, + enum dbg_grc_params grc_param, u32 val) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + enum dbg_status status; + int i; + + DP_VERBOSE(p_hwfn, + QED_MSG_DEBUG, + "dbg_grc_config: paramId = %d, val = %d\n", grc_param, val); + + status = qed_dbg_dev_init(p_hwfn); + if (status != DBG_STATUS_OK) + return status; + + /* Initializes the GRC parameters (if not initialized). Needed in order + * to set the default parameter values for the first time. + */ + qed_dbg_grc_init_params(p_hwfn); + + if (grc_param >= MAX_DBG_GRC_PARAMS) + return DBG_STATUS_INVALID_ARGS; + if (val < s_grc_param_defs[grc_param].min || + val > s_grc_param_defs[grc_param].max) + return DBG_STATUS_INVALID_ARGS; + + if (s_grc_param_defs[grc_param].is_preset) { + /* Preset param */ + + /* Disabling a preset is not allowed. Call + * dbg_grc_set_params_default instead. + */ + if (!val) + return DBG_STATUS_INVALID_ARGS; + + /* Update all params with the preset values */ + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) { + struct grc_param_defs *defs = &s_grc_param_defs[i]; + u32 preset_val; + /* Skip persistent params */ + if (defs->is_persistent) + continue; + + /* Find preset value */ + if (grc_param == DBG_GRC_PARAM_EXCLUDE_ALL) + preset_val = + defs->exclude_all_preset_val; + else if (grc_param == DBG_GRC_PARAM_CRASH) + preset_val = + defs->crash_preset_val[dev_data->chip_id]; + else + return DBG_STATUS_INVALID_ARGS; + + qed_grc_set_param(p_hwfn, i, preset_val); + } + } else { + /* Regular param - set its value */ + qed_grc_set_param(p_hwfn, grc_param, val); + } + + return DBG_STATUS_OK; +} + +/* Assign default GRC param values */ +void qed_dbg_grc_set_params_default(struct qed_hwfn *p_hwfn) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + u32 i; + + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) + if (!s_grc_param_defs[i].is_persistent) + dev_data->grc.param_val[i] = + s_grc_param_defs[i].default_val[dev_data->chip_id]; +} + +enum dbg_status qed_dbg_grc_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_REG].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_DUMP_MEM].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_BLOCKS].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_REGS].ptr) + return DBG_STATUS_DBG_ARRAY_NOT_SET; + + return qed_grc_dump(p_hwfn, p_ptt, NULL, false, buf_size); +} + +enum dbg_status qed_dbg_grc_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords; + enum dbg_status status; + + *num_dumped_dwords = 0; + + status = qed_dbg_grc_get_dump_buf_size(p_hwfn, + p_ptt, + &needed_buf_size_in_dwords); + if (status != DBG_STATUS_OK) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + /* Doesn't do anything, needed for compile time asserts */ + qed_static_asserts(); + + /* GRC Dump */ + status = qed_grc_dump(p_hwfn, p_ptt, dump_buf, true, num_dumped_dwords); + + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return status; +} + +enum dbg_status qed_dbg_idle_chk_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + struct idle_chk_data *idle_chk = &dev_data->idle_chk; + enum dbg_status status; + + *buf_size = 0; + + status = qed_dbg_dev_init(p_hwfn); + if (status != DBG_STATUS_OK) + return status; + + if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_REGS].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_IMMS].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_RULES].ptr) + return DBG_STATUS_DBG_ARRAY_NOT_SET; + + if (!idle_chk->buf_size_set) { + idle_chk->buf_size = qed_idle_chk_dump(p_hwfn, + p_ptt, NULL, false); + idle_chk->buf_size_set = true; + } + + *buf_size = idle_chk->buf_size; + + return DBG_STATUS_OK; +} + +enum dbg_status qed_dbg_idle_chk_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords; + enum dbg_status status; + + *num_dumped_dwords = 0; + + status = qed_dbg_idle_chk_get_dump_buf_size(p_hwfn, + p_ptt, + &needed_buf_size_in_dwords); + if (status != DBG_STATUS_OK) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + /* Update reset state */ + qed_grc_unreset_blocks(p_hwfn, p_ptt, true); + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + /* Idle Check Dump */ + *num_dumped_dwords = qed_idle_chk_dump(p_hwfn, p_ptt, dump_buf, true); + + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return DBG_STATUS_OK; +} + +enum dbg_status qed_dbg_mcp_trace_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + return qed_mcp_trace_dump(p_hwfn, p_ptt, NULL, false, buf_size); +} + +enum dbg_status qed_dbg_mcp_trace_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords; + enum dbg_status status; + + status = + qed_dbg_mcp_trace_get_dump_buf_size(p_hwfn, + p_ptt, + &needed_buf_size_in_dwords); + if (status != DBG_STATUS_OK && status != + DBG_STATUS_NVRAM_GET_IMAGE_FAILED) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + /* Update reset state */ + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + /* Perform dump */ + status = qed_mcp_trace_dump(p_hwfn, + p_ptt, dump_buf, true, num_dumped_dwords); + + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return status; +} + +enum dbg_status qed_dbg_reg_fifo_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + return qed_reg_fifo_dump(p_hwfn, p_ptt, NULL, false, buf_size); +} + +enum dbg_status qed_dbg_reg_fifo_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords; + enum dbg_status status; + + *num_dumped_dwords = 0; + + status = qed_dbg_reg_fifo_get_dump_buf_size(p_hwfn, + p_ptt, + &needed_buf_size_in_dwords); + if (status != DBG_STATUS_OK) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + /* Update reset state */ + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + status = qed_reg_fifo_dump(p_hwfn, + p_ptt, dump_buf, true, num_dumped_dwords); + + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return status; +} + +enum dbg_status qed_dbg_igu_fifo_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + return qed_igu_fifo_dump(p_hwfn, p_ptt, NULL, false, buf_size); +} + +enum dbg_status qed_dbg_igu_fifo_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords; + enum dbg_status status; + + *num_dumped_dwords = 0; + + status = qed_dbg_igu_fifo_get_dump_buf_size(p_hwfn, + p_ptt, + &needed_buf_size_in_dwords); + if (status != DBG_STATUS_OK) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + /* Update reset state */ + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + status = qed_igu_fifo_dump(p_hwfn, + p_ptt, dump_buf, true, num_dumped_dwords); + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return status; +} + +enum dbg_status +qed_dbg_protection_override_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + return qed_protection_override_dump(p_hwfn, + p_ptt, NULL, false, buf_size); +} + +enum dbg_status qed_dbg_protection_override_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords, *p_size = &needed_buf_size_in_dwords; + enum dbg_status status; + + *num_dumped_dwords = 0; + + status = + qed_dbg_protection_override_get_dump_buf_size(p_hwfn, + p_ptt, + p_size); + if (status != DBG_STATUS_OK) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + /* Update reset state */ + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + status = qed_protection_override_dump(p_hwfn, + p_ptt, + dump_buf, + true, num_dumped_dwords); + + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return status; +} + +enum dbg_status qed_dbg_fw_asserts_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + /* Update reset state */ + qed_update_blocks_reset_state(p_hwfn, p_ptt); + + *buf_size = qed_fw_asserts_dump(p_hwfn, p_ptt, NULL, false); + + return DBG_STATUS_OK; +} + +enum dbg_status qed_dbg_fw_asserts_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + u32 needed_buf_size_in_dwords, *p_size = &needed_buf_size_in_dwords; + enum dbg_status status; + + *num_dumped_dwords = 0; + + status = + qed_dbg_fw_asserts_get_dump_buf_size(p_hwfn, + p_ptt, + p_size); + if (status != DBG_STATUS_OK) + return status; + + if (buf_size_in_dwords < needed_buf_size_in_dwords) + return DBG_STATUS_DUMP_BUF_TOO_SMALL; + + *num_dumped_dwords = qed_fw_asserts_dump(p_hwfn, p_ptt, dump_buf, true); + + /* Revert GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return DBG_STATUS_OK; +} + +static enum dbg_status qed_dbg_ilt_get_dump_buf_size(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *buf_size) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + + *buf_size = 0; + + if (status != DBG_STATUS_OK) + return status; + + *buf_size = qed_ilt_dump(p_hwfn, p_ptt, NULL, 0, false); + + return DBG_STATUS_OK; +} + +static enum dbg_status qed_dbg_ilt_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + u32 *dump_buf, + u32 buf_size_in_dwords, + u32 *num_dumped_dwords) +{ + *num_dumped_dwords = qed_ilt_dump(p_hwfn, + p_ptt, + dump_buf, buf_size_in_dwords, true); + + /* Reveret GRC params to their default */ + qed_dbg_grc_set_params_default(p_hwfn); + + return DBG_STATUS_OK; +} + +enum dbg_status qed_dbg_read_attn(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + enum block_id block_id, + enum dbg_attn_type attn_type, + bool clear_status, + struct dbg_attn_block_result *results) +{ + enum dbg_status status = qed_dbg_dev_init(p_hwfn); + u8 reg_idx, num_attn_regs, num_result_regs = 0; + const struct dbg_attn_reg *attn_reg_arr; + + if (status != DBG_STATUS_OK) + return status; + + if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_MODE_TREE].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_BLOCKS].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_REGS].ptr) + return DBG_STATUS_DBG_ARRAY_NOT_SET; + + attn_reg_arr = qed_get_block_attn_regs(p_hwfn, + block_id, + attn_type, &num_attn_regs); + + for (reg_idx = 0; reg_idx < num_attn_regs; reg_idx++) { + const struct dbg_attn_reg *reg_data = &attn_reg_arr[reg_idx]; + struct dbg_attn_reg_result *reg_result; + u32 sts_addr, sts_val; + u16 modes_buf_offset; + bool eval_mode; + + /* Check mode */ + eval_mode = GET_FIELD(reg_data->mode.data, + DBG_MODE_HDR_EVAL_MODE) > 0; + modes_buf_offset = GET_FIELD(reg_data->mode.data, + DBG_MODE_HDR_MODES_BUF_OFFSET); + if (eval_mode && !qed_is_mode_match(p_hwfn, &modes_buf_offset)) + continue; + + /* Mode match - read attention status register */ + sts_addr = DWORDS_TO_BYTES(clear_status ? + reg_data->sts_clr_address : + GET_FIELD(reg_data->data, + DBG_ATTN_REG_STS_ADDRESS)); + sts_val = qed_rd(p_hwfn, p_ptt, sts_addr); + if (!sts_val) + continue; + + /* Non-zero attention status - add to results */ + reg_result = &results->reg_results[num_result_regs]; + SET_FIELD(reg_result->data, + DBG_ATTN_REG_RESULT_STS_ADDRESS, sts_addr); + SET_FIELD(reg_result->data, + DBG_ATTN_REG_RESULT_NUM_REG_ATTN, + GET_FIELD(reg_data->data, DBG_ATTN_REG_NUM_REG_ATTN)); + reg_result->block_attn_offset = reg_data->block_attn_offset; + reg_result->sts_val = sts_val; + reg_result->mask_val = qed_rd(p_hwfn, + p_ptt, + DWORDS_TO_BYTES + (reg_data->mask_address)); + num_result_regs++; + } + + results->block_id = (u8)block_id; + results->names_offset = + qed_get_block_attn_data(p_hwfn, block_id, attn_type)->names_offset; + SET_FIELD(results->data, DBG_ATTN_BLOCK_RESULT_ATTN_TYPE, attn_type); + SET_FIELD(results->data, + DBG_ATTN_BLOCK_RESULT_NUM_REGS, num_result_regs); + + return DBG_STATUS_OK; +} + +/******************************* Data Types **********************************/ + +/* REG fifo element */ +struct reg_fifo_element { + u64 data; +#define REG_FIFO_ELEMENT_ADDRESS_SHIFT 0 +#define REG_FIFO_ELEMENT_ADDRESS_MASK 0x7fffff +#define REG_FIFO_ELEMENT_ACCESS_SHIFT 23 +#define REG_FIFO_ELEMENT_ACCESS_MASK 0x1 +#define REG_FIFO_ELEMENT_PF_SHIFT 24 +#define REG_FIFO_ELEMENT_PF_MASK 0xf +#define REG_FIFO_ELEMENT_VF_SHIFT 28 +#define REG_FIFO_ELEMENT_VF_MASK 0xff +#define REG_FIFO_ELEMENT_PORT_SHIFT 36 +#define REG_FIFO_ELEMENT_PORT_MASK 0x3 +#define REG_FIFO_ELEMENT_PRIVILEGE_SHIFT 38 +#define REG_FIFO_ELEMENT_PRIVILEGE_MASK 0x3 +#define REG_FIFO_ELEMENT_PROTECTION_SHIFT 40 +#define REG_FIFO_ELEMENT_PROTECTION_MASK 0x7 +#define REG_FIFO_ELEMENT_MASTER_SHIFT 43 +#define REG_FIFO_ELEMENT_MASTER_MASK 0xf +#define REG_FIFO_ELEMENT_ERROR_SHIFT 47 +#define REG_FIFO_ELEMENT_ERROR_MASK 0x1f +}; + +/* REG fifo error element */ +struct reg_fifo_err { + u32 err_code; + const char *err_msg; +}; + +/* IGU fifo element */ +struct igu_fifo_element { + u32 dword0; +#define IGU_FIFO_ELEMENT_DWORD0_FID_SHIFT 0 +#define IGU_FIFO_ELEMENT_DWORD0_FID_MASK 0xff +#define IGU_FIFO_ELEMENT_DWORD0_IS_PF_SHIFT 8 +#define IGU_FIFO_ELEMENT_DWORD0_IS_PF_MASK 0x1 +#define IGU_FIFO_ELEMENT_DWORD0_SOURCE_SHIFT 9 +#define IGU_FIFO_ELEMENT_DWORD0_SOURCE_MASK 0xf +#define IGU_FIFO_ELEMENT_DWORD0_ERR_TYPE_SHIFT 13 +#define IGU_FIFO_ELEMENT_DWORD0_ERR_TYPE_MASK 0xf +#define IGU_FIFO_ELEMENT_DWORD0_CMD_ADDR_SHIFT 17 +#define IGU_FIFO_ELEMENT_DWORD0_CMD_ADDR_MASK 0x7fff + u32 dword1; + u32 dword2; +#define IGU_FIFO_ELEMENT_DWORD12_IS_WR_CMD_SHIFT 0 +#define IGU_FIFO_ELEMENT_DWORD12_IS_WR_CMD_MASK 0x1 +#define IGU_FIFO_ELEMENT_DWORD12_WR_DATA_SHIFT 1 +#define IGU_FIFO_ELEMENT_DWORD12_WR_DATA_MASK 0xffffffff + u32 reserved; +}; + +struct igu_fifo_wr_data { + u32 data; +#define IGU_FIFO_WR_DATA_PROD_CONS_SHIFT 0 +#define IGU_FIFO_WR_DATA_PROD_CONS_MASK 0xffffff +#define IGU_FIFO_WR_DATA_UPDATE_FLAG_SHIFT 24 +#define IGU_FIFO_WR_DATA_UPDATE_FLAG_MASK 0x1 +#define IGU_FIFO_WR_DATA_EN_DIS_INT_FOR_SB_SHIFT 25 +#define IGU_FIFO_WR_DATA_EN_DIS_INT_FOR_SB_MASK 0x3 +#define IGU_FIFO_WR_DATA_SEGMENT_SHIFT 27 +#define IGU_FIFO_WR_DATA_SEGMENT_MASK 0x1 +#define IGU_FIFO_WR_DATA_TIMER_MASK_SHIFT 28 +#define IGU_FIFO_WR_DATA_TIMER_MASK_MASK 0x1 +#define IGU_FIFO_WR_DATA_CMD_TYPE_SHIFT 31 +#define IGU_FIFO_WR_DATA_CMD_TYPE_MASK 0x1 +}; + +struct igu_fifo_cleanup_wr_data { + u32 data; +#define IGU_FIFO_CLEANUP_WR_DATA_RESERVED_SHIFT 0 +#define IGU_FIFO_CLEANUP_WR_DATA_RESERVED_MASK 0x7ffffff +#define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_VAL_SHIFT 27 +#define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_VAL_MASK 0x1 +#define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_TYPE_SHIFT 28 +#define IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_TYPE_MASK 0x7 +#define IGU_FIFO_CLEANUP_WR_DATA_CMD_TYPE_SHIFT 31 +#define IGU_FIFO_CLEANUP_WR_DATA_CMD_TYPE_MASK 0x1 +}; + +/* Protection override element */ +struct protection_override_element { + u64 data; +#define PROTECTION_OVERRIDE_ELEMENT_ADDRESS_SHIFT 0 +#define PROTECTION_OVERRIDE_ELEMENT_ADDRESS_MASK 0x7fffff +#define PROTECTION_OVERRIDE_ELEMENT_WINDOW_SIZE_SHIFT 23 +#define PROTECTION_OVERRIDE_ELEMENT_WINDOW_SIZE_MASK 0xffffff +#define PROTECTION_OVERRIDE_ELEMENT_READ_SHIFT 47 +#define PROTECTION_OVERRIDE_ELEMENT_READ_MASK 0x1 +#define PROTECTION_OVERRIDE_ELEMENT_WRITE_SHIFT 48 +#define PROTECTION_OVERRIDE_ELEMENT_WRITE_MASK 0x1 +#define PROTECTION_OVERRIDE_ELEMENT_READ_PROTECTION_SHIFT 49 +#define PROTECTION_OVERRIDE_ELEMENT_READ_PROTECTION_MASK 0x7 +#define PROTECTION_OVERRIDE_ELEMENT_WRITE_PROTECTION_SHIFT 52 +#define PROTECTION_OVERRIDE_ELEMENT_WRITE_PROTECTION_MASK 0x7 +}; + +enum igu_fifo_sources { + IGU_SRC_PXP0, + IGU_SRC_PXP1, + IGU_SRC_PXP2, + IGU_SRC_PXP3, + IGU_SRC_PXP4, + IGU_SRC_PXP5, + IGU_SRC_PXP6, + IGU_SRC_PXP7, + IGU_SRC_CAU, + IGU_SRC_ATTN, + IGU_SRC_GRC +}; + +enum igu_fifo_addr_types { + IGU_ADDR_TYPE_MSIX_MEM, + IGU_ADDR_TYPE_WRITE_PBA, + IGU_ADDR_TYPE_WRITE_INT_ACK, + IGU_ADDR_TYPE_WRITE_ATTN_BITS, + IGU_ADDR_TYPE_READ_INT, + IGU_ADDR_TYPE_WRITE_PROD_UPDATE, + IGU_ADDR_TYPE_RESERVED +}; + +struct igu_fifo_addr_data { + u16 start_addr; + u16 end_addr; + char *desc; + char *vf_desc; + enum igu_fifo_addr_types type; +}; + +/******************************** Constants **********************************/ + +#define MAX_MSG_LEN 1024 + +#define MCP_TRACE_MAX_MODULE_LEN 8 +#define MCP_TRACE_FORMAT_MAX_PARAMS 3 +#define MCP_TRACE_FORMAT_PARAM_WIDTH \ + (MCP_TRACE_FORMAT_P2_SIZE_OFFSET - MCP_TRACE_FORMAT_P1_SIZE_OFFSET) + +#define REG_FIFO_ELEMENT_ADDR_FACTOR 4 +#define REG_FIFO_ELEMENT_IS_PF_VF_VAL 127 + +#define PROTECTION_OVERRIDE_ELEMENT_ADDR_FACTOR 4 + +/***************************** Constant Arrays *******************************/ + +/* Status string array */ +static const char * const s_status_str[] = { + /* DBG_STATUS_OK */ + "Operation completed successfully", + + /* DBG_STATUS_APP_VERSION_NOT_SET */ + "Debug application version wasn't set", + + /* DBG_STATUS_UNSUPPORTED_APP_VERSION */ + "Unsupported debug application version", + + /* DBG_STATUS_DBG_BLOCK_NOT_RESET */ + "The debug block wasn't reset since the last recording", + + /* DBG_STATUS_INVALID_ARGS */ + "Invalid arguments", + + /* DBG_STATUS_OUTPUT_ALREADY_SET */ + "The debug output was already set", + + /* DBG_STATUS_INVALID_PCI_BUF_SIZE */ + "Invalid PCI buffer size", + + /* DBG_STATUS_PCI_BUF_ALLOC_FAILED */ + "PCI buffer allocation failed", + + /* DBG_STATUS_PCI_BUF_NOT_ALLOCATED */ + "A PCI buffer wasn't allocated", + + /* DBG_STATUS_INVALID_FILTER_TRIGGER_DWORDS */ + "The filter/trigger constraint dword offsets are not enabled for recording", + /* DBG_STATUS_NO_MATCHING_FRAMING_MODE */ + "No matching framing mode", + + /* DBG_STATUS_VFC_READ_ERROR */ + "Error reading from VFC", + + /* DBG_STATUS_STORM_ALREADY_ENABLED */ + "The Storm was already enabled", + + /* DBG_STATUS_STORM_NOT_ENABLED */ + "The specified Storm wasn't enabled", + + /* DBG_STATUS_BLOCK_ALREADY_ENABLED */ + "The block was already enabled", + + /* DBG_STATUS_BLOCK_NOT_ENABLED */ + "The specified block wasn't enabled", + + /* DBG_STATUS_NO_INPUT_ENABLED */ + "No input was enabled for recording", + + /* DBG_STATUS_NO_FILTER_TRIGGER_256B */ + "Filters and triggers are not allowed in E4 256-bit mode", + + /* DBG_STATUS_FILTER_ALREADY_ENABLED */ + "The filter was already enabled", + + /* DBG_STATUS_TRIGGER_ALREADY_ENABLED */ + "The trigger was already enabled", + + /* DBG_STATUS_TRIGGER_NOT_ENABLED */ + "The trigger wasn't enabled", + + /* DBG_STATUS_CANT_ADD_CONSTRAINT */ + "A constraint can be added only after a filter was enabled or a trigger state was added", + + /* DBG_STATUS_TOO_MANY_TRIGGER_STATES */ + "Cannot add more than 3 trigger states", + + /* DBG_STATUS_TOO_MANY_CONSTRAINTS */ + "Cannot add more than 4 constraints per filter or trigger state", + + /* DBG_STATUS_RECORDING_NOT_STARTED */ + "The recording wasn't started", + + /* DBG_STATUS_DATA_DIDNT_TRIGGER */ + "A trigger was configured, but it didn't trigger", + + /* DBG_STATUS_NO_DATA_RECORDED */ + "No data was recorded", + + /* DBG_STATUS_DUMP_BUF_TOO_SMALL */ + "Dump buffer is too small", + + /* DBG_STATUS_DUMP_NOT_CHUNK_ALIGNED */ + "Dumped data is not aligned to chunks", + + /* DBG_STATUS_UNKNOWN_CHIP */ + "Unknown chip", + + /* DBG_STATUS_VIRT_MEM_ALLOC_FAILED */ + "Failed allocating virtual memory", + + /* DBG_STATUS_BLOCK_IN_RESET */ + "The input block is in reset", + + /* DBG_STATUS_INVALID_TRACE_SIGNATURE */ + "Invalid MCP trace signature found in NVRAM", + + /* DBG_STATUS_INVALID_NVRAM_BUNDLE */ + "Invalid bundle ID found in NVRAM", + + /* DBG_STATUS_NVRAM_GET_IMAGE_FAILED */ + "Failed getting NVRAM image", + + /* DBG_STATUS_NON_ALIGNED_NVRAM_IMAGE */ + "NVRAM image is not dword-aligned", + + /* DBG_STATUS_NVRAM_READ_FAILED */ + "Failed reading from NVRAM", + + /* DBG_STATUS_IDLE_CHK_PARSE_FAILED */ + "Idle check parsing failed", + + /* DBG_STATUS_MCP_TRACE_BAD_DATA */ + "MCP Trace data is corrupt", + + /* DBG_STATUS_MCP_TRACE_NO_META */ + "Dump doesn't contain meta data - it must be provided in image file", + + /* DBG_STATUS_MCP_COULD_NOT_HALT */ + "Failed to halt MCP", + + /* DBG_STATUS_MCP_COULD_NOT_RESUME */ + "Failed to resume MCP after halt", + + /* DBG_STATUS_RESERVED0 */ + "", + + /* DBG_STATUS_SEMI_FIFO_NOT_EMPTY */ + "Failed to empty SEMI sync FIFO", + + /* DBG_STATUS_IGU_FIFO_BAD_DATA */ + "IGU FIFO data is corrupt", + + /* DBG_STATUS_MCP_COULD_NOT_MASK_PRTY */ + "MCP failed to mask parities", + + /* DBG_STATUS_FW_ASSERTS_PARSE_FAILED */ + "FW Asserts parsing failed", + + /* DBG_STATUS_REG_FIFO_BAD_DATA */ + "GRC FIFO data is corrupt", + + /* DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA */ + "Protection Override data is corrupt", + + /* DBG_STATUS_DBG_ARRAY_NOT_SET */ + "Debug arrays were not set (when using binary files, dbg_set_bin_ptr must be called)", + + /* DBG_STATUS_RESERVED1 */ + "", + + /* DBG_STATUS_NON_MATCHING_LINES */ + "Non-matching debug lines - in E4, all lines must be of the same type (either 128b or 256b)", + + /* DBG_STATUS_INSUFFICIENT_HW_IDS */ + "Insufficient HW IDs. Try to record less Storms/blocks", + + /* DBG_STATUS_DBG_BUS_IN_USE */ + "The debug bus is in use", + + /* DBG_STATUS_INVALID_STORM_DBG_MODE */ + "The storm debug mode is not supported in the current chip", + + /* DBG_STATUS_OTHER_ENGINE_BB_ONLY */ + "Other engine is supported only in BB", + + /* DBG_STATUS_FILTER_SINGLE_HW_ID */ + "The configured filter mode requires a single Storm/block input", + + /* DBG_STATUS_TRIGGER_SINGLE_HW_ID */ + "The configured filter mode requires that all the constraints of a single trigger state will be defined on a single Storm/block input", + + /* DBG_STATUS_MISSING_TRIGGER_STATE_STORM */ + "When triggering on Storm data, the Storm to trigger on must be specified", + + /* DBG_STATUS_MDUMP2_FAILED_TO_REQUEST_OFFSIZE */ + "Failed to request MDUMP2 Offsize", + + /* DBG_STATUS_MDUMP2_FAILED_VALIDATION_OF_DATA_CRC */ + "Expected CRC (part of the MDUMP2 data) is different than the calculated CRC over that data", + + /* DBG_STATUS_MDUMP2_INVALID_SIGNATURE */ + "Invalid Signature found at start of MDUMP2", + + /* DBG_STATUS_MDUMP2_INVALID_LOG_SIZE */ + "Invalid Log Size of MDUMP2", + + /* DBG_STATUS_MDUMP2_INVALID_LOG_HDR */ + "Invalid Log Header of MDUMP2", + + /* DBG_STATUS_MDUMP2_INVALID_LOG_DATA */ + "Invalid Log Data of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_EXTRACTING_NUM_PORTS */ + "Could not extract number of ports from regval buf of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_EXTRACTING_MFW_STATUS */ + "Could not extract MFW (link) status from regval buf of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_DISPLAYING_LINKDUMP */ + "Could not display linkdump of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_READING_PHY_CFG */ + "Could not read PHY CFG of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_READING_PLL_MODE */ + "Could not read PLL Mode of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_READING_LANE_REGS */ + "Could not read TSCF/TSCE Lane Regs of MDUMP2", + + /* DBG_STATUS_MDUMP2_ERROR_ALLOCATING_BUF */ + "Could not allocate MDUMP2 reg-val internal buffer" +}; + +/* Idle check severity names array */ +static const char * const s_idle_chk_severity_str[] = { + "Error", + "Error if no traffic", + "Warning" +}; + +/* MCP Trace level names array */ +static const char * const s_mcp_trace_level_str[] = { + "ERROR", + "TRACE", + "DEBUG" +}; + +/* Access type names array */ +static const char * const s_access_strs[] = { + "read", + "write" +}; + +/* Privilege type names array */ +static const char * const s_privilege_strs[] = { + "VF", + "PDA", + "HV", + "UA" +}; + +/* Protection type names array */ +static const char * const s_protection_strs[] = { + "(default)", + "(default)", + "(default)", + "(default)", + "override VF", + "override PDA", + "override HV", + "override UA" +}; + +/* Master type names array */ +static const char * const s_master_strs[] = { + "???", + "pxp", + "mcp", + "msdm", + "psdm", + "ysdm", + "usdm", + "tsdm", + "xsdm", + "dbu", + "dmae", + "jdap", + "???", + "???", + "???", + "???" +}; + +/* REG FIFO error messages array */ +static struct reg_fifo_err s_reg_fifo_errors[] = { + {1, "grc timeout"}, + {2, "address doesn't belong to any block"}, + {4, "reserved address in block or write to read-only address"}, + {8, "privilege/protection mismatch"}, + {16, "path isolation error"}, + {17, "RSL error"} +}; + +/* IGU FIFO sources array */ +static const char * const s_igu_fifo_source_strs[] = { + "TSTORM", + "MSTORM", + "USTORM", + "XSTORM", + "YSTORM", + "PSTORM", + "PCIE", + "NIG_QM_PBF", + "CAU", + "ATTN", + "GRC", +}; + +/* IGU FIFO error messages */ +static const char * const s_igu_fifo_error_strs[] = { + "no error", + "length error", + "function disabled", + "VF sent command to attention address", + "host sent prod update command", + "read of during interrupt register while in MIMD mode", + "access to PXP BAR reserved address", + "producer update command to attention index", + "unknown error", + "SB index not valid", + "SB relative index and FID not found", + "FID not match", + "command with error flag asserted (PCI error or CAU discard)", + "VF sent cleanup and RF cleanup is disabled", + "cleanup command on type bigger than 4" +}; + +/* IGU FIFO address data */ +static const struct igu_fifo_addr_data s_igu_fifo_addr_data[] = { + {0x0, 0x101, "MSI-X Memory", NULL, + IGU_ADDR_TYPE_MSIX_MEM}, + {0x102, 0x1ff, "reserved", NULL, + IGU_ADDR_TYPE_RESERVED}, + {0x200, 0x200, "Write PBA[0:63]", NULL, + IGU_ADDR_TYPE_WRITE_PBA}, + {0x201, 0x201, "Write PBA[64:127]", "reserved", + IGU_ADDR_TYPE_WRITE_PBA}, + {0x202, 0x202, "Write PBA[128]", "reserved", + IGU_ADDR_TYPE_WRITE_PBA}, + {0x203, 0x3ff, "reserved", NULL, + IGU_ADDR_TYPE_RESERVED}, + {0x400, 0x5ef, "Write interrupt acknowledgment", NULL, + IGU_ADDR_TYPE_WRITE_INT_ACK}, + {0x5f0, 0x5f0, "Attention bits update", NULL, + IGU_ADDR_TYPE_WRITE_ATTN_BITS}, + {0x5f1, 0x5f1, "Attention bits set", NULL, + IGU_ADDR_TYPE_WRITE_ATTN_BITS}, + {0x5f2, 0x5f2, "Attention bits clear", NULL, + IGU_ADDR_TYPE_WRITE_ATTN_BITS}, + {0x5f3, 0x5f3, "Read interrupt 0:63 with mask", NULL, + IGU_ADDR_TYPE_READ_INT}, + {0x5f4, 0x5f4, "Read interrupt 0:31 with mask", NULL, + IGU_ADDR_TYPE_READ_INT}, + {0x5f5, 0x5f5, "Read interrupt 32:63 with mask", NULL, + IGU_ADDR_TYPE_READ_INT}, + {0x5f6, 0x5f6, "Read interrupt 0:63 without mask", NULL, + IGU_ADDR_TYPE_READ_INT}, + {0x5f7, 0x5ff, "reserved", NULL, + IGU_ADDR_TYPE_RESERVED}, + {0x600, 0x7ff, "Producer update", NULL, + IGU_ADDR_TYPE_WRITE_PROD_UPDATE} +}; + +/******************************** Variables **********************************/ + +/* Temporary buffer, used for print size calculations */ +static char s_temp_buf[MAX_MSG_LEN]; + +/**************************** Private Functions ******************************/ + +static void qed_user_static_asserts(void) +{ +} + +static u32 qed_cyclic_add(u32 a, u32 b, u32 size) +{ + return (a + b) % size; +} + +static u32 qed_cyclic_sub(u32 a, u32 b, u32 size) +{ + return (size + a - b) % size; +} + +/* Reads the specified number of bytes from the specified cyclic buffer (up to 4 + * bytes) and returns them as a dword value. the specified buffer offset is + * updated. + */ +static u32 qed_read_from_cyclic_buf(void *buf, + u32 *offset, + u32 buf_size, u8 num_bytes_to_read) +{ + u8 i, *val_ptr, *bytes_buf = (u8 *)buf; + u32 val = 0; + + val_ptr = (u8 *)&val; + + /* Assume running on a LITTLE ENDIAN and the buffer is network order + * (BIG ENDIAN), as high order bytes are placed in lower memory address. + */ + for (i = 0; i < num_bytes_to_read; i++) { + val_ptr[i] = bytes_buf[*offset]; + *offset = qed_cyclic_add(*offset, 1, buf_size); + } + + return val; +} + +/* Reads and returns the next byte from the specified buffer. + * The specified buffer offset is updated. + */ +static u8 qed_read_byte_from_buf(void *buf, u32 *offset) +{ + return ((u8 *)buf)[(*offset)++]; +} + +/* Reads and returns the next dword from the specified buffer. + * The specified buffer offset is updated. + */ +static u32 qed_read_dword_from_buf(void *buf, u32 *offset) +{ + u32 dword_val = *(u32 *)&((u8 *)buf)[*offset]; + + *offset += 4; + + return dword_val; +} + +/* Reads the next string from the specified buffer, and copies it to the + * specified pointer. The specified buffer offset is updated. + */ +static void qed_read_str_from_buf(void *buf, u32 *offset, u32 size, char *dest) +{ + const char *source_str = &((const char *)buf)[*offset]; + + strncpy(dest, source_str, size); + dest[size - 1] = '\0'; + *offset += size; +} + +/* Returns a pointer to the specified offset (in bytes) of the specified buffer. + * If the specified buffer in NULL, a temporary buffer pointer is returned. + */ +static char *qed_get_buf_ptr(void *buf, u32 offset) +{ + return buf ? (char *)buf + offset : s_temp_buf; +} + +/* Reads a param from the specified buffer. Returns the number of dwords read. + * If the returned str_param is NULL, the param is numeric and its value is + * returned in num_param. + * Otheriwise, the param is a string and its pointer is returned in str_param. + */ +static u32 qed_read_param(u32 *dump_buf, + const char **param_name, + const char **param_str_val, u32 *param_num_val) +{ + char *char_buf = (char *)dump_buf; + size_t offset = 0; + + /* Extract param name */ + *param_name = char_buf; + offset += strlen(*param_name) + 1; + + /* Check param type */ + if (*(char_buf + offset++)) { + /* String param */ + *param_str_val = char_buf + offset; + *param_num_val = 0; + offset += strlen(*param_str_val) + 1; + if (offset & 0x3) + offset += (4 - (offset & 0x3)); + } else { + /* Numeric param */ + *param_str_val = NULL; + if (offset & 0x3) + offset += (4 - (offset & 0x3)); + *param_num_val = *(u32 *)(char_buf + offset); + offset += 4; + } + + return (u32)offset / 4; +} + +/* Reads a section header from the specified buffer. + * Returns the number of dwords read. + */ +static u32 qed_read_section_hdr(u32 *dump_buf, + const char **section_name, + u32 *num_section_params) +{ + const char *param_str_val; + + return qed_read_param(dump_buf, + section_name, ¶m_str_val, num_section_params); +} + +/* Reads section params from the specified buffer and prints them to the results + * buffer. Returns the number of dwords read. + */ +static u32 qed_print_section_params(u32 *dump_buf, + u32 num_section_params, + char *results_buf, u32 *num_chars_printed) +{ + u32 i, dump_offset = 0, results_offset = 0; + + for (i = 0; i < num_section_params; i++) { + const char *param_name, *param_str_val; + u32 param_num_val = 0; + + dump_offset += qed_read_param(dump_buf + dump_offset, + ¶m_name, + ¶m_str_val, ¶m_num_val); + + if (param_str_val) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "%s: %s\n", param_name, param_str_val); + else if (strcmp(param_name, "fw-timestamp")) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "%s: %d\n", param_name, param_num_val); + } + + results_offset += sprintf(qed_get_buf_ptr(results_buf, results_offset), + "\n"); + + *num_chars_printed = results_offset; + + return dump_offset; +} + +/* Returns the block name that matches the specified block ID, + * or NULL if not found. + */ +static const char *qed_dbg_get_block_name(struct qed_hwfn *p_hwfn, + enum block_id block_id) +{ + const struct dbg_block_user *block = + (const struct dbg_block_user *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_BLOCKS_USER_DATA].ptr + block_id; + + return (const char *)block->name; +} + +static struct dbg_tools_user_data *qed_dbg_get_user_data(struct qed_hwfn + *p_hwfn) +{ + return (struct dbg_tools_user_data *)p_hwfn->dbg_user_info; +} + +/* Parses the idle check rules and returns the number of characters printed. + * In case of parsing error, returns 0. + */ +static u32 qed_parse_idle_chk_dump_rules(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 *dump_buf_end, + u32 num_rules, + bool print_fw_idle_chk, + char *results_buf, + u32 *num_errors, u32 *num_warnings) +{ + /* Offset in results_buf in bytes */ + u32 results_offset = 0; + + u32 rule_idx; + u16 i, j; + + *num_errors = 0; + *num_warnings = 0; + + /* Go over dumped results */ + for (rule_idx = 0; rule_idx < num_rules && dump_buf < dump_buf_end; + rule_idx++) { + const struct dbg_idle_chk_rule_parsing_data *rule_parsing_data; + struct dbg_idle_chk_result_hdr *hdr; + const char *parsing_str, *lsi_msg; + u32 parsing_str_offset; + bool has_fw_msg; + u8 curr_reg_id; + + hdr = (struct dbg_idle_chk_result_hdr *)dump_buf; + rule_parsing_data = + (const struct dbg_idle_chk_rule_parsing_data *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_PARSING_DATA].ptr + + hdr->rule_id; + parsing_str_offset = + GET_FIELD(rule_parsing_data->data, + DBG_IDLE_CHK_RULE_PARSING_DATA_STR_OFFSET); + has_fw_msg = + GET_FIELD(rule_parsing_data->data, + DBG_IDLE_CHK_RULE_PARSING_DATA_HAS_FW_MSG) > 0; + parsing_str = (const char *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr + + parsing_str_offset; + lsi_msg = parsing_str; + curr_reg_id = 0; + + if (hdr->severity >= MAX_DBG_IDLE_CHK_SEVERITY_TYPES) + return 0; + + /* Skip rule header */ + dump_buf += BYTES_TO_DWORDS(sizeof(*hdr)); + + /* Update errors/warnings count */ + if (hdr->severity == IDLE_CHK_SEVERITY_ERROR || + hdr->severity == IDLE_CHK_SEVERITY_ERROR_NO_TRAFFIC) + (*num_errors)++; + else + (*num_warnings)++; + + /* Print rule severity */ + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), "%s: ", + s_idle_chk_severity_str[hdr->severity]); + + /* Print rule message */ + if (has_fw_msg) + parsing_str += strlen(parsing_str) + 1; + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), "%s.", + has_fw_msg && + print_fw_idle_chk ? parsing_str : lsi_msg); + parsing_str += strlen(parsing_str) + 1; + + /* Print register values */ + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), " Registers:"); + for (i = 0; + i < hdr->num_dumped_cond_regs + hdr->num_dumped_info_regs; + i++) { + struct dbg_idle_chk_result_reg_hdr *reg_hdr; + bool is_mem; + u8 reg_id; + + reg_hdr = + (struct dbg_idle_chk_result_reg_hdr *)dump_buf; + is_mem = GET_FIELD(reg_hdr->data, + DBG_IDLE_CHK_RESULT_REG_HDR_IS_MEM); + reg_id = GET_FIELD(reg_hdr->data, + DBG_IDLE_CHK_RESULT_REG_HDR_REG_ID); + + /* Skip reg header */ + dump_buf += BYTES_TO_DWORDS(sizeof(*reg_hdr)); + + /* Skip register names until the required reg_id is + * reached. + */ + for (; reg_id > curr_reg_id; curr_reg_id++) + parsing_str += strlen(parsing_str) + 1; + + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), " %s", + parsing_str); + if (i < hdr->num_dumped_cond_regs && is_mem) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "[%d]", hdr->mem_entry_id + + reg_hdr->start_entry); + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), "="); + for (j = 0; j < reg_hdr->size; j++, dump_buf++) { + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "0x%x", *dump_buf); + if (j < reg_hdr->size - 1) + results_offset += + sprintf(qed_get_buf_ptr + (results_buf, + results_offset), ","); + } + } + + results_offset += + sprintf(qed_get_buf_ptr(results_buf, results_offset), "\n"); + } + + /* Check if end of dump buffer was exceeded */ + if (dump_buf > dump_buf_end) + return 0; + + return results_offset; +} + +/* Parses an idle check dump buffer. + * If result_buf is not NULL, the idle check results are printed to it. + * In any case, the required results buffer size is assigned to + * parsed_results_bytes. + * The parsing status is returned. + */ +static enum dbg_status qed_parse_idle_chk_dump(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf, + u32 *parsed_results_bytes, + u32 *num_errors, + u32 *num_warnings) +{ + u32 num_section_params = 0, num_rules, num_rules_not_dumped; + const char *section_name, *param_name, *param_str_val; + u32 *dump_buf_end = dump_buf + num_dumped_dwords; + + /* Offset in results_buf in bytes */ + u32 results_offset = 0; + + *parsed_results_bytes = 0; + *num_errors = 0; + *num_warnings = 0; + + if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_IDLE_CHK_PARSING_DATA].ptr) + return DBG_STATUS_DBG_ARRAY_NOT_SET; + + /* Read global_params section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "global_params")) + return DBG_STATUS_IDLE_CHK_PARSE_FAILED; + + /* Print global params */ + dump_buf += qed_print_section_params(dump_buf, + num_section_params, + results_buf, &results_offset); + + /* Read idle_chk section + * There may be 1 or 2 idle_chk section parameters: + * - 1st is "num_rules" + * - 2nd is "num_rules_not_dumped" (optional) + */ + + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "idle_chk") || + (num_section_params != 2 && num_section_params != 1)) + return DBG_STATUS_IDLE_CHK_PARSE_FAILED; + dump_buf += qed_read_param(dump_buf, + ¶m_name, ¶m_str_val, &num_rules); + if (strcmp(param_name, "num_rules")) + return DBG_STATUS_IDLE_CHK_PARSE_FAILED; + if (num_section_params > 1) { + dump_buf += qed_read_param(dump_buf, + ¶m_name, + ¶m_str_val, + &num_rules_not_dumped); + if (strcmp(param_name, "num_rules_not_dumped")) + return DBG_STATUS_IDLE_CHK_PARSE_FAILED; + } else { + num_rules_not_dumped = 0; + } + + if (num_rules) { + u32 rules_print_size; + + /* Print FW output */ + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "FW_IDLE_CHECK:\n"); + rules_print_size = + qed_parse_idle_chk_dump_rules(p_hwfn, + dump_buf, + dump_buf_end, + num_rules, + true, + results_buf ? + results_buf + + results_offset : + NULL, + num_errors, + num_warnings); + results_offset += rules_print_size; + if (!rules_print_size) + return DBG_STATUS_IDLE_CHK_PARSE_FAILED; + + /* Print LSI output */ + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "\nLSI_IDLE_CHECK:\n"); + rules_print_size = + qed_parse_idle_chk_dump_rules(p_hwfn, + dump_buf, + dump_buf_end, + num_rules, + false, + results_buf ? + results_buf + + results_offset : + NULL, + num_errors, + num_warnings); + results_offset += rules_print_size; + if (!rules_print_size) + return DBG_STATUS_IDLE_CHK_PARSE_FAILED; + } + + /* Print errors/warnings count */ + if (*num_errors) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "\nIdle Check failed!!! (with %d errors and %d warnings)\n", + *num_errors, *num_warnings); + else if (*num_warnings) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "\nIdle Check completed successfully (with %d warnings)\n", + *num_warnings); + else + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "\nIdle Check completed successfully\n"); + + if (num_rules_not_dumped) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "\nIdle Check Partially dumped : num_rules_not_dumped = %d\n", + num_rules_not_dumped); + + /* Add 1 for string NULL termination */ + *parsed_results_bytes = results_offset + 1; + + return DBG_STATUS_OK; +} + +/* Allocates and fills MCP Trace meta data based on the specified meta data + * dump buffer. + * Returns debug status code. + */ +static enum dbg_status +qed_mcp_trace_alloc_meta_data(struct qed_hwfn *p_hwfn, + const u32 *meta_buf) +{ + struct dbg_tools_user_data *dev_user_data; + u32 offset = 0, signature, i; + struct mcp_trace_meta *meta; + u8 *meta_buf_bytes; + + dev_user_data = qed_dbg_get_user_data(p_hwfn); + meta = &dev_user_data->mcp_trace_meta; + meta_buf_bytes = (u8 *)meta_buf; + + /* Free the previous meta before loading a new one. */ + if (meta->is_allocated) + qed_mcp_trace_free_meta_data(p_hwfn); + + memset(meta, 0, sizeof(*meta)); + + /* Read first signature */ + signature = qed_read_dword_from_buf(meta_buf_bytes, &offset); + if (signature != NVM_MAGIC_VALUE) + return DBG_STATUS_INVALID_TRACE_SIGNATURE; + + /* Read no. of modules and allocate memory for their pointers */ + meta->modules_num = qed_read_byte_from_buf(meta_buf_bytes, &offset); + meta->modules = kcalloc(meta->modules_num, sizeof(char *), + GFP_KERNEL); + if (!meta->modules) + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + + /* Allocate and read all module strings */ + for (i = 0; i < meta->modules_num; i++) { + u8 module_len = qed_read_byte_from_buf(meta_buf_bytes, &offset); + + *(meta->modules + i) = kzalloc(module_len, GFP_KERNEL); + if (!(*(meta->modules + i))) { + /* Update number of modules to be released */ + meta->modules_num = i ? i - 1 : 0; + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + } + + qed_read_str_from_buf(meta_buf_bytes, &offset, module_len, + *(meta->modules + i)); + if (module_len > MCP_TRACE_MAX_MODULE_LEN) + (*(meta->modules + i))[MCP_TRACE_MAX_MODULE_LEN] = '\0'; + } + + /* Read second signature */ + signature = qed_read_dword_from_buf(meta_buf_bytes, &offset); + if (signature != NVM_MAGIC_VALUE) + return DBG_STATUS_INVALID_TRACE_SIGNATURE; + + /* Read number of formats and allocate memory for all formats */ + meta->formats_num = qed_read_dword_from_buf(meta_buf_bytes, &offset); + meta->formats = kcalloc(meta->formats_num, + sizeof(struct mcp_trace_format), + GFP_KERNEL); + if (!meta->formats) + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + + /* Allocate and read all strings */ + for (i = 0; i < meta->formats_num; i++) { + struct mcp_trace_format *format_ptr = &meta->formats[i]; + u8 format_len; + + format_ptr->data = qed_read_dword_from_buf(meta_buf_bytes, + &offset); + format_len = GET_MFW_FIELD(format_ptr->data, + MCP_TRACE_FORMAT_LEN); + format_ptr->format_str = kzalloc(format_len, GFP_KERNEL); + if (!format_ptr->format_str) { + /* Update number of modules to be released */ + meta->formats_num = i ? i - 1 : 0; + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + } + + qed_read_str_from_buf(meta_buf_bytes, + &offset, + format_len, format_ptr->format_str); + } + + meta->is_allocated = true; + return DBG_STATUS_OK; +} + +/* Parses an MCP trace buffer. If result_buf is not NULL, the MCP Trace results + * are printed to it. The parsing status is returned. + * Arguments: + * trace_buf - MCP trace cyclic buffer + * trace_buf_size - MCP trace cyclic buffer size in bytes + * data_offset - offset in bytes of the data to parse in the MCP trace cyclic + * buffer. + * data_size - size in bytes of data to parse. + * parsed_buf - destination buffer for parsed data. + * parsed_results_bytes - size of parsed data in bytes. + */ +static enum dbg_status qed_parse_mcp_trace_buf(struct qed_hwfn *p_hwfn, + u8 *trace_buf, + u32 trace_buf_size, + u32 data_offset, + u32 data_size, + char *parsed_buf, + u32 *parsed_results_bytes) +{ + struct dbg_tools_user_data *dev_user_data; + struct mcp_trace_meta *meta; + u32 param_mask, param_shift; + enum dbg_status status; + + dev_user_data = qed_dbg_get_user_data(p_hwfn); + meta = &dev_user_data->mcp_trace_meta; + *parsed_results_bytes = 0; + + if (!meta->is_allocated) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + status = DBG_STATUS_OK; + + while (data_size) { + struct mcp_trace_format *format_ptr; + u8 format_level, format_module; + u32 params[3] = { 0, 0, 0 }; + u32 header, format_idx, i; + + if (data_size < MFW_TRACE_ENTRY_SIZE) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + header = qed_read_from_cyclic_buf(trace_buf, + &data_offset, + trace_buf_size, + MFW_TRACE_ENTRY_SIZE); + data_size -= MFW_TRACE_ENTRY_SIZE; + format_idx = header & MFW_TRACE_EVENTID_MASK; + + /* Skip message if its index doesn't exist in the meta data */ + if (format_idx >= meta->formats_num) { + u8 format_size = (u8)GET_MFW_FIELD(header, + MFW_TRACE_PRM_SIZE); + + if (data_size < format_size) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + data_offset = qed_cyclic_add(data_offset, + format_size, + trace_buf_size); + data_size -= format_size; + continue; + } + + format_ptr = &meta->formats[format_idx]; + + for (i = 0, + param_mask = MCP_TRACE_FORMAT_P1_SIZE_MASK, param_shift = + MCP_TRACE_FORMAT_P1_SIZE_OFFSET; + i < MCP_TRACE_FORMAT_MAX_PARAMS; + i++, param_mask <<= MCP_TRACE_FORMAT_PARAM_WIDTH, + param_shift += MCP_TRACE_FORMAT_PARAM_WIDTH) { + /* Extract param size (0..3) */ + u8 param_size = (u8)((format_ptr->data & param_mask) >> + param_shift); + + /* If the param size is zero, there are no other + * parameters. + */ + if (!param_size) + break; + + /* Size is encoded using 2 bits, where 3 is used to + * encode 4. + */ + if (param_size == 3) + param_size = 4; + + if (data_size < param_size) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + params[i] = qed_read_from_cyclic_buf(trace_buf, + &data_offset, + trace_buf_size, + param_size); + data_size -= param_size; + } + + format_level = (u8)GET_MFW_FIELD(format_ptr->data, + MCP_TRACE_FORMAT_LEVEL); + format_module = (u8)GET_MFW_FIELD(format_ptr->data, + MCP_TRACE_FORMAT_MODULE); + if (format_level >= ARRAY_SIZE(s_mcp_trace_level_str)) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + /* Print current message to results buffer */ + *parsed_results_bytes += + sprintf(qed_get_buf_ptr(parsed_buf, + *parsed_results_bytes), + "%s %-8s: ", + s_mcp_trace_level_str[format_level], + meta->modules[format_module]); + *parsed_results_bytes += + sprintf(qed_get_buf_ptr(parsed_buf, *parsed_results_bytes), + format_ptr->format_str, + params[0], params[1], params[2]); + } + + /* Add string NULL terminator */ + (*parsed_results_bytes)++; + + return status; +} + +/* Parses an MCP Trace dump buffer. + * If result_buf is not NULL, the MCP Trace results are printed to it. + * In any case, the required results buffer size is assigned to + * parsed_results_bytes. + * The parsing status is returned. + */ +static enum dbg_status qed_parse_mcp_trace_dump(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + char *results_buf, + u32 *parsed_results_bytes, + bool free_meta_data) +{ + const char *section_name, *param_name, *param_str_val; + u32 data_size, trace_data_dwords, trace_meta_dwords; + u32 offset, results_offset, results_buf_bytes; + u32 param_num_val, num_section_params; + struct mcp_trace *trace; + enum dbg_status status; + const u32 *meta_buf; + u8 *trace_buf; + + *parsed_results_bytes = 0; + + /* Read global_params section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "global_params")) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + /* Print global params */ + dump_buf += qed_print_section_params(dump_buf, + num_section_params, + results_buf, &results_offset); + + /* Read trace_data section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "mcp_trace_data") || num_section_params != 1) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + dump_buf += qed_read_param(dump_buf, + ¶m_name, ¶m_str_val, ¶m_num_val); + if (strcmp(param_name, "size")) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + trace_data_dwords = param_num_val; + + /* Prepare trace info */ + trace = (struct mcp_trace *)dump_buf; + if (trace->signature != MFW_TRACE_SIGNATURE || !trace->size) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + + trace_buf = (u8 *)dump_buf + sizeof(*trace); + offset = trace->trace_oldest; + data_size = qed_cyclic_sub(trace->trace_prod, offset, trace->size); + dump_buf += trace_data_dwords; + + /* Read meta_data section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "mcp_trace_meta")) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + dump_buf += qed_read_param(dump_buf, + ¶m_name, ¶m_str_val, ¶m_num_val); + if (strcmp(param_name, "size")) + return DBG_STATUS_MCP_TRACE_BAD_DATA; + trace_meta_dwords = param_num_val; + + /* Choose meta data buffer */ + if (!trace_meta_dwords) { + /* Dump doesn't include meta data */ + struct dbg_tools_user_data *dev_user_data = + qed_dbg_get_user_data(p_hwfn); + + if (!dev_user_data->mcp_trace_user_meta_buf) + return DBG_STATUS_MCP_TRACE_NO_META; + + meta_buf = dev_user_data->mcp_trace_user_meta_buf; + } else { + /* Dump includes meta data */ + meta_buf = dump_buf; + } + + /* Allocate meta data memory */ + status = qed_mcp_trace_alloc_meta_data(p_hwfn, meta_buf); + if (status != DBG_STATUS_OK) + return status; + + status = qed_parse_mcp_trace_buf(p_hwfn, + trace_buf, + trace->size, + offset, + data_size, + results_buf ? + results_buf + results_offset : + NULL, + &results_buf_bytes); + if (status != DBG_STATUS_OK) + return status; + + if (free_meta_data) + qed_mcp_trace_free_meta_data(p_hwfn); + + *parsed_results_bytes = results_offset + results_buf_bytes; + + return DBG_STATUS_OK; +} + +/* Parses a Reg FIFO dump buffer. + * If result_buf is not NULL, the Reg FIFO results are printed to it. + * In any case, the required results buffer size is assigned to + * parsed_results_bytes. + * The parsing status is returned. + */ +static enum dbg_status qed_parse_reg_fifo_dump(u32 *dump_buf, + char *results_buf, + u32 *parsed_results_bytes) +{ + const char *section_name, *param_name, *param_str_val; + u32 param_num_val, num_section_params, num_elements; + struct reg_fifo_element *elements; + u8 i, j, err_code, vf_val; + u32 results_offset = 0; + char vf_str[4]; + + /* Read global_params section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "global_params")) + return DBG_STATUS_REG_FIFO_BAD_DATA; + + /* Print global params */ + dump_buf += qed_print_section_params(dump_buf, + num_section_params, + results_buf, &results_offset); + + /* Read reg_fifo_data section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "reg_fifo_data")) + return DBG_STATUS_REG_FIFO_BAD_DATA; + dump_buf += qed_read_param(dump_buf, + ¶m_name, ¶m_str_val, ¶m_num_val); + if (strcmp(param_name, "size")) + return DBG_STATUS_REG_FIFO_BAD_DATA; + if (param_num_val % REG_FIFO_ELEMENT_DWORDS) + return DBG_STATUS_REG_FIFO_BAD_DATA; + num_elements = param_num_val / REG_FIFO_ELEMENT_DWORDS; + elements = (struct reg_fifo_element *)dump_buf; + + /* Decode elements */ + for (i = 0; i < num_elements; i++) { + const char *err_msg = NULL; + + /* Discover if element belongs to a VF or a PF */ + vf_val = GET_FIELD(elements[i].data, REG_FIFO_ELEMENT_VF); + if (vf_val == REG_FIFO_ELEMENT_IS_PF_VF_VAL) + sprintf(vf_str, "%s", "N/A"); + else + sprintf(vf_str, "%d", vf_val); + + /* Find error message */ + err_code = GET_FIELD(elements[i].data, REG_FIFO_ELEMENT_ERROR); + for (j = 0; j < ARRAY_SIZE(s_reg_fifo_errors) && !err_msg; j++) + if (err_code == s_reg_fifo_errors[j].err_code) + err_msg = s_reg_fifo_errors[j].err_msg; + + /* Add parsed element to parsed buffer */ + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "raw: 0x%016llx, address: 0x%07x, access: %-5s, pf: %2d, vf: %s, port: %d, privilege: %-3s, protection: %-12s, master: %-4s, error: %s\n", + elements[i].data, + (u32)GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_ADDRESS) * + REG_FIFO_ELEMENT_ADDR_FACTOR, + s_access_strs[GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_ACCESS)], + (u32)GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_PF), + vf_str, + (u32)GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_PORT), + s_privilege_strs[GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_PRIVILEGE)], + s_protection_strs[GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_PROTECTION)], + s_master_strs[GET_FIELD(elements[i].data, + REG_FIFO_ELEMENT_MASTER)], + err_msg ? err_msg : "unknown error code"); + } + + results_offset += sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "fifo contained %d elements", num_elements); + + /* Add 1 for string NULL termination */ + *parsed_results_bytes = results_offset + 1; + + return DBG_STATUS_OK; +} + +static enum dbg_status qed_parse_igu_fifo_element(struct igu_fifo_element + *element, char + *results_buf, + u32 *results_offset) +{ + const struct igu_fifo_addr_data *found_addr = NULL; + u8 source, err_type, i, is_cleanup; + char parsed_addr_data[32]; + char parsed_wr_data[256]; + u32 wr_data, prod_cons; + bool is_wr_cmd, is_pf; + u16 cmd_addr; + u64 dword12; + + /* Dword12 (dword index 1 and 2) contains bits 32..95 of the + * FIFO element. + */ + dword12 = ((u64)element->dword2 << 32) | element->dword1; + is_wr_cmd = GET_FIELD(dword12, IGU_FIFO_ELEMENT_DWORD12_IS_WR_CMD); + is_pf = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_IS_PF); + cmd_addr = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_CMD_ADDR); + source = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_SOURCE); + err_type = GET_FIELD(element->dword0, IGU_FIFO_ELEMENT_DWORD0_ERR_TYPE); + + if (source >= ARRAY_SIZE(s_igu_fifo_source_strs)) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + if (err_type >= ARRAY_SIZE(s_igu_fifo_error_strs)) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + + /* Find address data */ + for (i = 0; i < ARRAY_SIZE(s_igu_fifo_addr_data) && !found_addr; i++) { + const struct igu_fifo_addr_data *curr_addr = + &s_igu_fifo_addr_data[i]; + + if (cmd_addr >= curr_addr->start_addr && cmd_addr <= + curr_addr->end_addr) + found_addr = curr_addr; + } + + if (!found_addr) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + + /* Prepare parsed address data */ + switch (found_addr->type) { + case IGU_ADDR_TYPE_MSIX_MEM: + sprintf(parsed_addr_data, " vector_num = 0x%x", cmd_addr / 2); + break; + case IGU_ADDR_TYPE_WRITE_INT_ACK: + case IGU_ADDR_TYPE_WRITE_PROD_UPDATE: + sprintf(parsed_addr_data, + " SB = 0x%x", cmd_addr - found_addr->start_addr); + break; + default: + parsed_addr_data[0] = '\0'; + } + + if (!is_wr_cmd) { + parsed_wr_data[0] = '\0'; + goto out; + } + + /* Prepare parsed write data */ + wr_data = GET_FIELD(dword12, IGU_FIFO_ELEMENT_DWORD12_WR_DATA); + prod_cons = GET_FIELD(wr_data, IGU_FIFO_WR_DATA_PROD_CONS); + is_cleanup = GET_FIELD(wr_data, IGU_FIFO_WR_DATA_CMD_TYPE); + + if (source == IGU_SRC_ATTN) { + sprintf(parsed_wr_data, "prod: 0x%x, ", prod_cons); + } else { + if (is_cleanup) { + u8 cleanup_val, cleanup_type; + + cleanup_val = + GET_FIELD(wr_data, + IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_VAL); + cleanup_type = + GET_FIELD(wr_data, + IGU_FIFO_CLEANUP_WR_DATA_CLEANUP_TYPE); + + sprintf(parsed_wr_data, + "cmd_type: cleanup, cleanup_val: %s, cleanup_type : %d, ", + cleanup_val ? "set" : "clear", + cleanup_type); + } else { + u8 update_flag, en_dis_int_for_sb, segment; + u8 timer_mask; + + update_flag = GET_FIELD(wr_data, + IGU_FIFO_WR_DATA_UPDATE_FLAG); + en_dis_int_for_sb = + GET_FIELD(wr_data, + IGU_FIFO_WR_DATA_EN_DIS_INT_FOR_SB); + segment = GET_FIELD(wr_data, + IGU_FIFO_WR_DATA_SEGMENT); + timer_mask = GET_FIELD(wr_data, + IGU_FIFO_WR_DATA_TIMER_MASK); + + sprintf(parsed_wr_data, + "cmd_type: prod/cons update, prod/cons: 0x%x, update_flag: %s, en_dis_int_for_sb : %s, segment : %s, timer_mask = %d, ", + prod_cons, + update_flag ? "update" : "nop", + en_dis_int_for_sb ? + (en_dis_int_for_sb == 1 ? "disable" : "nop") : + "enable", + segment ? "attn" : "regular", + timer_mask); + } + } +out: + /* Add parsed element to parsed buffer */ + *results_offset += sprintf(qed_get_buf_ptr(results_buf, + *results_offset), + "raw: 0x%01x%08x%08x, %s: %d, source : %s, type : %s, cmd_addr : 0x%x(%s%s), %serror: %s\n", + element->dword2, element->dword1, + element->dword0, + is_pf ? "pf" : "vf", + GET_FIELD(element->dword0, + IGU_FIFO_ELEMENT_DWORD0_FID), + s_igu_fifo_source_strs[source], + is_wr_cmd ? "wr" : "rd", + cmd_addr, + (!is_pf && found_addr->vf_desc) + ? found_addr->vf_desc + : found_addr->desc, + parsed_addr_data, + parsed_wr_data, + s_igu_fifo_error_strs[err_type]); + + return DBG_STATUS_OK; +} + +/* Parses an IGU FIFO dump buffer. + * If result_buf is not NULL, the IGU FIFO results are printed to it. + * In any case, the required results buffer size is assigned to + * parsed_results_bytes. + * The parsing status is returned. + */ +static enum dbg_status qed_parse_igu_fifo_dump(u32 *dump_buf, + char *results_buf, + u32 *parsed_results_bytes) +{ + const char *section_name, *param_name, *param_str_val; + u32 param_num_val, num_section_params, num_elements; + struct igu_fifo_element *elements; + enum dbg_status status; + u32 results_offset = 0; + u8 i; + + /* Read global_params section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "global_params")) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + + /* Print global params */ + dump_buf += qed_print_section_params(dump_buf, + num_section_params, + results_buf, &results_offset); + + /* Read igu_fifo_data section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "igu_fifo_data")) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + dump_buf += qed_read_param(dump_buf, + ¶m_name, ¶m_str_val, ¶m_num_val); + if (strcmp(param_name, "size")) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + if (param_num_val % IGU_FIFO_ELEMENT_DWORDS) + return DBG_STATUS_IGU_FIFO_BAD_DATA; + num_elements = param_num_val / IGU_FIFO_ELEMENT_DWORDS; + elements = (struct igu_fifo_element *)dump_buf; + + /* Decode elements */ + for (i = 0; i < num_elements; i++) { + status = qed_parse_igu_fifo_element(&elements[i], + results_buf, + &results_offset); + if (status != DBG_STATUS_OK) + return status; + } + + results_offset += sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "fifo contained %d elements", num_elements); + + /* Add 1 for string NULL termination */ + *parsed_results_bytes = results_offset + 1; + + return DBG_STATUS_OK; +} + +static enum dbg_status +qed_parse_protection_override_dump(u32 *dump_buf, + char *results_buf, + u32 *parsed_results_bytes) +{ + const char *section_name, *param_name, *param_str_val; + u32 param_num_val, num_section_params, num_elements; + struct protection_override_element *elements; + u32 results_offset = 0; + u8 i; + + /* Read global_params section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "global_params")) + return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA; + + /* Print global params */ + dump_buf += qed_print_section_params(dump_buf, + num_section_params, + results_buf, &results_offset); + + /* Read protection_override_data section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "protection_override_data")) + return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA; + dump_buf += qed_read_param(dump_buf, + ¶m_name, ¶m_str_val, ¶m_num_val); + if (strcmp(param_name, "size")) + return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA; + if (param_num_val % PROTECTION_OVERRIDE_ELEMENT_DWORDS) + return DBG_STATUS_PROTECTION_OVERRIDE_BAD_DATA; + num_elements = param_num_val / PROTECTION_OVERRIDE_ELEMENT_DWORDS; + elements = (struct protection_override_element *)dump_buf; + + /* Decode elements */ + for (i = 0; i < num_elements; i++) { + u32 address = GET_FIELD(elements[i].data, + PROTECTION_OVERRIDE_ELEMENT_ADDRESS) * + PROTECTION_OVERRIDE_ELEMENT_ADDR_FACTOR; + + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "window %2d, address: 0x%07x, size: %7d regs, read: %d, write: %d, read protection: %-12s, write protection: %-12s\n", + i, address, + (u32)GET_FIELD(elements[i].data, + PROTECTION_OVERRIDE_ELEMENT_WINDOW_SIZE), + (u32)GET_FIELD(elements[i].data, + PROTECTION_OVERRIDE_ELEMENT_READ), + (u32)GET_FIELD(elements[i].data, + PROTECTION_OVERRIDE_ELEMENT_WRITE), + s_protection_strs[GET_FIELD(elements[i].data, + PROTECTION_OVERRIDE_ELEMENT_READ_PROTECTION)], + s_protection_strs[GET_FIELD(elements[i].data, + PROTECTION_OVERRIDE_ELEMENT_WRITE_PROTECTION)]); + } + + results_offset += sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "protection override contained %d elements", + num_elements); + + /* Add 1 for string NULL termination */ + *parsed_results_bytes = results_offset + 1; + + return DBG_STATUS_OK; +} + +/* Parses a FW Asserts dump buffer. + * If result_buf is not NULL, the FW Asserts results are printed to it. + * In any case, the required results buffer size is assigned to + * parsed_results_bytes. + * The parsing status is returned. + */ +static enum dbg_status qed_parse_fw_asserts_dump(u32 *dump_buf, + char *results_buf, + u32 *parsed_results_bytes) +{ + u32 num_section_params, param_num_val, i, results_offset = 0; + const char *param_name, *param_str_val, *section_name; + bool last_section_found = false; + + *parsed_results_bytes = 0; + + /* Read global_params section */ + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, &num_section_params); + if (strcmp(section_name, "global_params")) + return DBG_STATUS_FW_ASSERTS_PARSE_FAILED; + + /* Print global params */ + dump_buf += qed_print_section_params(dump_buf, + num_section_params, + results_buf, &results_offset); + + while (!last_section_found) { + dump_buf += qed_read_section_hdr(dump_buf, + §ion_name, + &num_section_params); + if (!strcmp(section_name, "fw_asserts")) { + /* Extract params */ + const char *storm_letter = NULL; + u32 storm_dump_size = 0; + + for (i = 0; i < num_section_params; i++) { + dump_buf += qed_read_param(dump_buf, + ¶m_name, + ¶m_str_val, + ¶m_num_val); + if (!strcmp(param_name, "storm")) + storm_letter = param_str_val; + else if (!strcmp(param_name, "size")) + storm_dump_size = param_num_val; + else + return + DBG_STATUS_FW_ASSERTS_PARSE_FAILED; + } + + if (!storm_letter || !storm_dump_size) + return DBG_STATUS_FW_ASSERTS_PARSE_FAILED; + + /* Print data */ + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "\n%sSTORM_ASSERT: size=%d\n", + storm_letter, storm_dump_size); + for (i = 0; i < storm_dump_size; i++, dump_buf++) + results_offset += + sprintf(qed_get_buf_ptr(results_buf, + results_offset), + "%08x\n", *dump_buf); + } else if (!strcmp(section_name, "last")) { + last_section_found = true; + } else { + return DBG_STATUS_FW_ASSERTS_PARSE_FAILED; + } + } + + /* Add 1 for string NULL termination */ + *parsed_results_bytes = results_offset + 1; + + return DBG_STATUS_OK; +} + +/***************************** Public Functions *******************************/ + +enum dbg_status qed_dbg_user_set_bin_ptr(struct qed_hwfn *p_hwfn, + const u8 * const bin_ptr) +{ + struct bin_buffer_hdr *buf_hdrs = (struct bin_buffer_hdr *)bin_ptr; + u8 buf_id; + + /* Convert binary data to debug arrays */ + for (buf_id = 0; buf_id < MAX_BIN_DBG_BUFFER_TYPE; buf_id++) + qed_set_dbg_bin_buf(p_hwfn, + (enum bin_dbg_buffer_type)buf_id, + (u32 *)(bin_ptr + buf_hdrs[buf_id].offset), + buf_hdrs[buf_id].length); + + return DBG_STATUS_OK; +} + +enum dbg_status qed_dbg_alloc_user_data(struct qed_hwfn *p_hwfn, + void **user_data_ptr) +{ + *user_data_ptr = kzalloc(sizeof(struct dbg_tools_user_data), + GFP_KERNEL); + if (!(*user_data_ptr)) + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + + return DBG_STATUS_OK; +} + +const char *qed_dbg_get_status_str(enum dbg_status status) +{ + return (status < + MAX_DBG_STATUS) ? s_status_str[status] : "Invalid debug status"; +} + +enum dbg_status qed_get_idle_chk_results_buf_size(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size) +{ + u32 num_errors, num_warnings; + + return qed_parse_idle_chk_dump(p_hwfn, + dump_buf, + num_dumped_dwords, + NULL, + results_buf_size, + &num_errors, &num_warnings); +} + +enum dbg_status qed_print_idle_chk_results(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf, + u32 *num_errors, + u32 *num_warnings) +{ + u32 parsed_buf_size; + + return qed_parse_idle_chk_dump(p_hwfn, + dump_buf, + num_dumped_dwords, + results_buf, + &parsed_buf_size, + num_errors, num_warnings); +} + +void qed_dbg_mcp_trace_set_meta_data(struct qed_hwfn *p_hwfn, + const u32 *meta_buf) +{ + struct dbg_tools_user_data *dev_user_data = + qed_dbg_get_user_data(p_hwfn); + + dev_user_data->mcp_trace_user_meta_buf = meta_buf; +} + +enum dbg_status qed_get_mcp_trace_results_buf_size(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size) +{ + return qed_parse_mcp_trace_dump(p_hwfn, + dump_buf, NULL, results_buf_size, true); +} + +enum dbg_status qed_print_mcp_trace_results(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf) +{ + u32 parsed_buf_size; + + /* Doesn't do anything, needed for compile time asserts */ + qed_user_static_asserts(); + + return qed_parse_mcp_trace_dump(p_hwfn, + dump_buf, + results_buf, &parsed_buf_size, true); +} + +enum dbg_status qed_print_mcp_trace_results_cont(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + char *results_buf) +{ + u32 parsed_buf_size; + + return qed_parse_mcp_trace_dump(p_hwfn, dump_buf, results_buf, + &parsed_buf_size, false); +} + +enum dbg_status qed_print_mcp_trace_line(struct qed_hwfn *p_hwfn, + u8 *dump_buf, + u32 num_dumped_bytes, + char *results_buf) +{ + u32 parsed_results_bytes; + + return qed_parse_mcp_trace_buf(p_hwfn, + dump_buf, + num_dumped_bytes, + 0, + num_dumped_bytes, + results_buf, &parsed_results_bytes); +} + +/* Frees the specified MCP Trace meta data */ +void qed_mcp_trace_free_meta_data(struct qed_hwfn *p_hwfn) +{ + struct dbg_tools_user_data *dev_user_data; + struct mcp_trace_meta *meta; + u32 i; + + dev_user_data = qed_dbg_get_user_data(p_hwfn); + meta = &dev_user_data->mcp_trace_meta; + if (!meta->is_allocated) + return; + + /* Release modules */ + if (meta->modules) { + for (i = 0; i < meta->modules_num; i++) + kfree(meta->modules[i]); + kfree(meta->modules); + } + + /* Release formats */ + if (meta->formats) { + for (i = 0; i < meta->formats_num; i++) + kfree(meta->formats[i].format_str); + kfree(meta->formats); + } + + meta->is_allocated = false; +} + +enum dbg_status qed_get_reg_fifo_results_buf_size(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size) +{ + return qed_parse_reg_fifo_dump(dump_buf, NULL, results_buf_size); +} + +enum dbg_status qed_print_reg_fifo_results(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf) +{ + u32 parsed_buf_size; + + return qed_parse_reg_fifo_dump(dump_buf, results_buf, &parsed_buf_size); +} + +enum dbg_status qed_get_igu_fifo_results_buf_size(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size) +{ + return qed_parse_igu_fifo_dump(dump_buf, NULL, results_buf_size); +} + +enum dbg_status qed_print_igu_fifo_results(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf) +{ + u32 parsed_buf_size; + + return qed_parse_igu_fifo_dump(dump_buf, results_buf, &parsed_buf_size); +} + +enum dbg_status +qed_get_protection_override_results_buf_size(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size) +{ + return qed_parse_protection_override_dump(dump_buf, + NULL, results_buf_size); +} + +enum dbg_status qed_print_protection_override_results(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf) +{ + u32 parsed_buf_size; + + return qed_parse_protection_override_dump(dump_buf, + results_buf, + &parsed_buf_size); +} + +enum dbg_status qed_get_fw_asserts_results_buf_size(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size) +{ + return qed_parse_fw_asserts_dump(dump_buf, NULL, results_buf_size); +} + +enum dbg_status qed_print_fw_asserts_results(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf) +{ + u32 parsed_buf_size; + + return qed_parse_fw_asserts_dump(dump_buf, + results_buf, &parsed_buf_size); +} + +enum dbg_status qed_dbg_parse_attn(struct qed_hwfn *p_hwfn, + struct dbg_attn_block_result *results) +{ + const u32 *block_attn_name_offsets; + const char *attn_name_base; + const char *block_name; + enum dbg_attn_type attn_type; + u8 num_regs, i, j; + + num_regs = GET_FIELD(results->data, DBG_ATTN_BLOCK_RESULT_NUM_REGS); + attn_type = GET_FIELD(results->data, DBG_ATTN_BLOCK_RESULT_ATTN_TYPE); + block_name = qed_dbg_get_block_name(p_hwfn, results->block_id); + if (!block_name) + return DBG_STATUS_INVALID_ARGS; + + if (!p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_INDEXES].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_NAME_OFFSETS].ptr || + !p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr) + return DBG_STATUS_DBG_ARRAY_NOT_SET; + + block_attn_name_offsets = + (u32 *)p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_NAME_OFFSETS].ptr + + results->names_offset; + + attn_name_base = p_hwfn->dbg_arrays[BIN_BUF_DBG_PARSING_STRINGS].ptr; + + /* Go over registers with a non-zero attention status */ + for (i = 0; i < num_regs; i++) { + struct dbg_attn_bit_mapping *bit_mapping; + struct dbg_attn_reg_result *reg_result; + u8 num_reg_attn, bit_idx = 0; + + reg_result = &results->reg_results[i]; + num_reg_attn = GET_FIELD(reg_result->data, + DBG_ATTN_REG_RESULT_NUM_REG_ATTN); + bit_mapping = (struct dbg_attn_bit_mapping *) + p_hwfn->dbg_arrays[BIN_BUF_DBG_ATTN_INDEXES].ptr + + reg_result->block_attn_offset; + + /* Go over attention status bits */ + for (j = 0; j < num_reg_attn; j++) { + u16 attn_idx_val = GET_FIELD(bit_mapping[j].data, + DBG_ATTN_BIT_MAPPING_VAL); + const char *attn_name, *attn_type_str, *masked_str; + u32 attn_name_offset; + u32 sts_addr; + + /* Check if bit mask should be advanced (due to unused + * bits). + */ + if (GET_FIELD(bit_mapping[j].data, + DBG_ATTN_BIT_MAPPING_IS_UNUSED_BIT_CNT)) { + bit_idx += (u8)attn_idx_val; + continue; + } + + /* Check current bit index */ + if (reg_result->sts_val & BIT(bit_idx)) { + /* An attention bit with value=1 was found + * Find attention name + */ + attn_name_offset = + block_attn_name_offsets[attn_idx_val]; + attn_name = attn_name_base + attn_name_offset; + attn_type_str = + (attn_type == + ATTN_TYPE_INTERRUPT ? "Interrupt" : + "Parity"); + masked_str = reg_result->mask_val & + BIT(bit_idx) ? + " [masked]" : ""; + sts_addr = + GET_FIELD(reg_result->data, + DBG_ATTN_REG_RESULT_STS_ADDRESS); + DP_NOTICE(p_hwfn, + "%s (%s) : %s [address 0x%08x, bit %d]%s\n", + block_name, attn_type_str, attn_name, + sts_addr * 4, bit_idx, masked_str); + } + + bit_idx++; + } + } + + return DBG_STATUS_OK; +} + +/* Wrapper for unifying the idle_chk and mcp_trace api */ +static enum dbg_status +qed_print_idle_chk_results_wrapper(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + char *results_buf) +{ + u32 num_errors, num_warnnings; + + return qed_print_idle_chk_results(p_hwfn, dump_buf, num_dumped_dwords, + results_buf, &num_errors, + &num_warnnings); +} + +static DEFINE_MUTEX(qed_dbg_lock); + +#define MAX_PHY_RESULT_BUFFER 9000 + +/******************************** Feature Meta data section ******************/ + +#define GRC_NUM_STR_FUNCS 2 +#define IDLE_CHK_NUM_STR_FUNCS 1 +#define MCP_TRACE_NUM_STR_FUNCS 1 +#define REG_FIFO_NUM_STR_FUNCS 1 +#define IGU_FIFO_NUM_STR_FUNCS 1 +#define PROTECTION_OVERRIDE_NUM_STR_FUNCS 1 +#define FW_ASSERTS_NUM_STR_FUNCS 1 +#define ILT_NUM_STR_FUNCS 1 +#define PHY_NUM_STR_FUNCS 20 + +/* Feature meta data lookup table */ +static struct { + char *name; + u32 num_funcs; + enum dbg_status (*get_size)(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *size); + enum dbg_status (*perform_dump)(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, u32 *dump_buf, + u32 buf_size, u32 *dumped_dwords); + enum dbg_status (*print_results)(struct qed_hwfn *p_hwfn, + u32 *dump_buf, u32 num_dumped_dwords, + char *results_buf); + enum dbg_status (*results_buf_size)(struct qed_hwfn *p_hwfn, + u32 *dump_buf, + u32 num_dumped_dwords, + u32 *results_buf_size); + const struct qed_func_lookup *hsi_func_lookup; +} qed_features_lookup[] = { + { + "grc", GRC_NUM_STR_FUNCS, qed_dbg_grc_get_dump_buf_size, + qed_dbg_grc_dump, NULL, NULL, NULL}, { + "idle_chk", IDLE_CHK_NUM_STR_FUNCS, + qed_dbg_idle_chk_get_dump_buf_size, + qed_dbg_idle_chk_dump, + qed_print_idle_chk_results_wrapper, + qed_get_idle_chk_results_buf_size, + NULL}, { + "mcp_trace", MCP_TRACE_NUM_STR_FUNCS, + qed_dbg_mcp_trace_get_dump_buf_size, + qed_dbg_mcp_trace_dump, qed_print_mcp_trace_results, + qed_get_mcp_trace_results_buf_size, + NULL}, { + "reg_fifo", REG_FIFO_NUM_STR_FUNCS, + qed_dbg_reg_fifo_get_dump_buf_size, + qed_dbg_reg_fifo_dump, qed_print_reg_fifo_results, + qed_get_reg_fifo_results_buf_size, + NULL}, { + "igu_fifo", IGU_FIFO_NUM_STR_FUNCS, + qed_dbg_igu_fifo_get_dump_buf_size, + qed_dbg_igu_fifo_dump, qed_print_igu_fifo_results, + qed_get_igu_fifo_results_buf_size, + NULL}, { + "protection_override", PROTECTION_OVERRIDE_NUM_STR_FUNCS, + qed_dbg_protection_override_get_dump_buf_size, + qed_dbg_protection_override_dump, + qed_print_protection_override_results, + qed_get_protection_override_results_buf_size, + NULL}, { + "fw_asserts", FW_ASSERTS_NUM_STR_FUNCS, + qed_dbg_fw_asserts_get_dump_buf_size, + qed_dbg_fw_asserts_dump, + qed_print_fw_asserts_results, + qed_get_fw_asserts_results_buf_size, + NULL}, { + "ilt", ILT_NUM_STR_FUNCS, qed_dbg_ilt_get_dump_buf_size, + qed_dbg_ilt_dump, NULL, NULL, NULL},}; + +static void qed_dbg_print_feature(u8 *p_text_buf, u32 text_size) +{ + u32 i, precision = 80; + + if (!p_text_buf) + return; + + pr_notice("\n%.*s", precision, p_text_buf); + for (i = precision; i < text_size; i += precision) + pr_cont("%.*s", precision, p_text_buf + i); + pr_cont("\n"); +} + +#define QED_RESULTS_BUF_MIN_SIZE 16 +/* Generic function for decoding debug feature info */ +static enum dbg_status format_feature(struct qed_hwfn *p_hwfn, + enum qed_dbg_features feature_idx) +{ + struct qed_dbg_feature *feature = + &p_hwfn->cdev->dbg_features[feature_idx]; + u32 txt_size_bytes, null_char_pos, i; + u32 *dbuf, dwords; + enum dbg_status rc; + char *text_buf; + + /* Check if feature supports formatting capability */ + if (!qed_features_lookup[feature_idx].results_buf_size) + return DBG_STATUS_OK; + + dbuf = (u32 *)feature->dump_buf; + dwords = feature->dumped_dwords; + + /* Obtain size of formatted output */ + rc = qed_features_lookup[feature_idx].results_buf_size(p_hwfn, + dbuf, + dwords, + &txt_size_bytes); + if (rc != DBG_STATUS_OK) + return rc; + + /* Make sure that the allocated size is a multiple of dword + * (4 bytes). + */ + null_char_pos = txt_size_bytes - 1; + txt_size_bytes = (txt_size_bytes + 3) & ~0x3; + + if (txt_size_bytes < QED_RESULTS_BUF_MIN_SIZE) { + DP_NOTICE(p_hwfn->cdev, + "formatted size of feature was too small %d. Aborting\n", + txt_size_bytes); + return DBG_STATUS_INVALID_ARGS; + } + + /* allocate temp text buf */ + text_buf = vzalloc(txt_size_bytes); + if (!text_buf) { + DP_NOTICE(p_hwfn->cdev, + "failed to allocate text buffer. Aborting\n"); + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + } + + /* Decode feature opcodes to string on temp buf */ + rc = qed_features_lookup[feature_idx].print_results(p_hwfn, + dbuf, + dwords, + text_buf); + if (rc != DBG_STATUS_OK) { + vfree(text_buf); + return rc; + } + + /* Replace the original null character with a '\n' character. + * The bytes that were added as a result of the dword alignment are also + * padded with '\n' characters. + */ + for (i = null_char_pos; i < txt_size_bytes; i++) + text_buf[i] = '\n'; + + /* Dump printable feature to log */ + if (p_hwfn->cdev->print_dbg_data) + qed_dbg_print_feature(text_buf, txt_size_bytes); + + /* Dump binary data as is to the output file */ + if (p_hwfn->cdev->dbg_bin_dump) { + vfree(text_buf); + return rc; + } + + /* Free the old dump_buf and point the dump_buf to the newly allocated + * and formatted text buffer. + */ + vfree(feature->dump_buf); + feature->dump_buf = text_buf; + feature->buf_size = txt_size_bytes; + feature->dumped_dwords = txt_size_bytes / 4; + + return rc; +} + +#define MAX_DBG_FEATURE_SIZE_DWORDS 0x3FFFFFFF + +/* Generic function for performing the dump of a debug feature. */ +static enum dbg_status qed_dbg_dump(struct qed_hwfn *p_hwfn, + struct qed_ptt *p_ptt, + enum qed_dbg_features feature_idx) +{ + struct qed_dbg_feature *feature = + &p_hwfn->cdev->dbg_features[feature_idx]; + u32 buf_size_dwords, *dbuf, *dwords; + enum dbg_status rc; + + DP_NOTICE(p_hwfn->cdev, "Collecting a debug feature [\"%s\"]\n", + qed_features_lookup[feature_idx].name); + + /* Dump_buf was already allocated need to free (this can happen if dump + * was called but file was never read). + * We can't use the buffer as is since size may have changed. + */ + if (feature->dump_buf) { + vfree(feature->dump_buf); + feature->dump_buf = NULL; + } + + /* Get buffer size from hsi, allocate accordingly, and perform the + * dump. + */ + rc = qed_features_lookup[feature_idx].get_size(p_hwfn, p_ptt, + &buf_size_dwords); + if (rc != DBG_STATUS_OK && rc != DBG_STATUS_NVRAM_GET_IMAGE_FAILED) + return rc; + + if (buf_size_dwords > MAX_DBG_FEATURE_SIZE_DWORDS) { + feature->buf_size = 0; + DP_NOTICE(p_hwfn->cdev, + "Debug feature [\"%s\"] size (0x%x dwords) exceeds maximum size (0x%x dwords)\n", + qed_features_lookup[feature_idx].name, + buf_size_dwords, MAX_DBG_FEATURE_SIZE_DWORDS); + + return DBG_STATUS_OK; + } + + feature->buf_size = buf_size_dwords * sizeof(u32); + feature->dump_buf = vmalloc(feature->buf_size); + if (!feature->dump_buf) + return DBG_STATUS_VIRT_MEM_ALLOC_FAILED; + + dbuf = (u32 *)feature->dump_buf; + dwords = &feature->dumped_dwords; + rc = qed_features_lookup[feature_idx].perform_dump(p_hwfn, p_ptt, + dbuf, + feature->buf_size / + sizeof(u32), + dwords); + + /* If mcp is stuck we get DBG_STATUS_NVRAM_GET_IMAGE_FAILED error. + * In this case the buffer holds valid binary data, but we won't able + * to parse it (since parsing relies on data in NVRAM which is only + * accessible when MFW is responsive). skip the formatting but return + * success so that binary data is provided. + */ + if (rc == DBG_STATUS_NVRAM_GET_IMAGE_FAILED) + return DBG_STATUS_OK; + + if (rc != DBG_STATUS_OK) + return rc; + + /* Format output */ + rc = format_feature(p_hwfn, feature_idx); + return rc; +} + +int qed_dbg_grc(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_GRC, num_dumped_bytes); +} + +int qed_dbg_grc_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_GRC); +} + +int qed_dbg_idle_chk(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_IDLE_CHK, + num_dumped_bytes); +} + +int qed_dbg_idle_chk_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_IDLE_CHK); +} + +int qed_dbg_reg_fifo(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_REG_FIFO, + num_dumped_bytes); +} + +int qed_dbg_reg_fifo_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_REG_FIFO); +} + +int qed_dbg_igu_fifo(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_IGU_FIFO, + num_dumped_bytes); +} + +int qed_dbg_igu_fifo_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_IGU_FIFO); +} + +static int qed_dbg_nvm_image_length(struct qed_hwfn *p_hwfn, + enum qed_nvm_images image_id, u32 *length) +{ + struct qed_nvm_image_att image_att; + int rc; + + *length = 0; + rc = qed_mcp_get_nvm_image_att(p_hwfn, image_id, &image_att); + if (rc) + return rc; + + *length = image_att.length; + + return rc; +} + +static int qed_dbg_nvm_image(struct qed_dev *cdev, void *buffer, + u32 *num_dumped_bytes, + enum qed_nvm_images image_id) +{ + struct qed_hwfn *p_hwfn = + &cdev->hwfns[cdev->engine_for_debug]; + u32 len_rounded; + int rc; + + *num_dumped_bytes = 0; + rc = qed_dbg_nvm_image_length(p_hwfn, image_id, &len_rounded); + if (rc) + return rc; + + DP_NOTICE(p_hwfn->cdev, + "Collecting a debug feature [\"nvram image %d\"]\n", + image_id); + + len_rounded = roundup(len_rounded, sizeof(u32)); + rc = qed_mcp_get_nvm_image(p_hwfn, image_id, buffer, len_rounded); + if (rc) + return rc; + + /* QED_NVM_IMAGE_NVM_META image is not swapped like other images */ + if (image_id != QED_NVM_IMAGE_NVM_META) + cpu_to_be32_array((__force __be32 *)buffer, + (const u32 *)buffer, + len_rounded / sizeof(u32)); + + *num_dumped_bytes = len_rounded; + + return rc; +} + +int qed_dbg_protection_override(struct qed_dev *cdev, void *buffer, + u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_PROTECTION_OVERRIDE, + num_dumped_bytes); +} + +int qed_dbg_protection_override_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_PROTECTION_OVERRIDE); +} + +int qed_dbg_fw_asserts(struct qed_dev *cdev, void *buffer, + u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_FW_ASSERTS, + num_dumped_bytes); +} + +int qed_dbg_fw_asserts_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_FW_ASSERTS); +} + +int qed_dbg_ilt(struct qed_dev *cdev, void *buffer, u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_ILT, num_dumped_bytes); +} + +int qed_dbg_ilt_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_ILT); +} + +int qed_dbg_mcp_trace(struct qed_dev *cdev, void *buffer, + u32 *num_dumped_bytes) +{ + return qed_dbg_feature(cdev, buffer, DBG_FEATURE_MCP_TRACE, + num_dumped_bytes); +} + +int qed_dbg_mcp_trace_size(struct qed_dev *cdev) +{ + return qed_dbg_feature_size(cdev, DBG_FEATURE_MCP_TRACE); +} + +/* Defines the amount of bytes allocated for recording the length of debugfs + * feature buffer. + */ +#define REGDUMP_HEADER_SIZE sizeof(u32) +#define REGDUMP_HEADER_SIZE_SHIFT 0 +#define REGDUMP_HEADER_SIZE_MASK 0xffffff +#define REGDUMP_HEADER_FEATURE_SHIFT 24 +#define REGDUMP_HEADER_FEATURE_MASK 0x1f +#define REGDUMP_HEADER_BIN_DUMP_SHIFT 29 +#define REGDUMP_HEADER_BIN_DUMP_MASK 0x1 +#define REGDUMP_HEADER_OMIT_ENGINE_SHIFT 30 +#define REGDUMP_HEADER_OMIT_ENGINE_MASK 0x1 +#define REGDUMP_HEADER_ENGINE_SHIFT 31 +#define REGDUMP_HEADER_ENGINE_MASK 0x1 +#define REGDUMP_MAX_SIZE 0x1000000 +#define ILT_DUMP_MAX_SIZE (1024 * 1024 * 15) + +enum debug_print_features { + OLD_MODE = 0, + IDLE_CHK = 1, + GRC_DUMP = 2, + MCP_TRACE = 3, + REG_FIFO = 4, + PROTECTION_OVERRIDE = 5, + IGU_FIFO = 6, + PHY = 7, + FW_ASSERTS = 8, + NVM_CFG1 = 9, + DEFAULT_CFG = 10, + NVM_META = 11, + MDUMP = 12, + ILT_DUMP = 13, +}; + +static u32 qed_calc_regdump_header(struct qed_dev *cdev, + enum debug_print_features feature, + int engine, u32 feature_size, + u8 omit_engine, u8 dbg_bin_dump) +{ + u32 res = 0; + + SET_FIELD(res, REGDUMP_HEADER_SIZE, feature_size); + if (res != feature_size) + DP_NOTICE(cdev, + "Feature %d is too large (size 0x%x) and will corrupt the dump\n", + feature, feature_size); + + SET_FIELD(res, REGDUMP_HEADER_FEATURE, feature); + SET_FIELD(res, REGDUMP_HEADER_BIN_DUMP, dbg_bin_dump); + SET_FIELD(res, REGDUMP_HEADER_OMIT_ENGINE, omit_engine); + SET_FIELD(res, REGDUMP_HEADER_ENGINE, engine); + + return res; +} + +int qed_dbg_all_data(struct qed_dev *cdev, void *buffer) +{ + u8 cur_engine, omit_engine = 0, org_engine; + struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug]; + struct dbg_tools_data *dev_data = &p_hwfn->dbg_info; + int grc_params[MAX_DBG_GRC_PARAMS], rc, i; + u32 offset = 0, feature_size; + + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) + grc_params[i] = dev_data->grc.param_val[i]; + + if (!QED_IS_CMT(cdev)) + omit_engine = 1; + + cdev->dbg_bin_dump = 1; + mutex_lock(&qed_dbg_lock); + + org_engine = qed_get_debug_engine(cdev); + for (cur_engine = 0; cur_engine < cdev->num_hwfns; cur_engine++) { + /* Collect idle_chks and grcDump for each hw function */ + DP_VERBOSE(cdev, QED_MSG_DEBUG, + "obtaining idle_chk and grcdump for current engine\n"); + qed_set_debug_engine(cdev, cur_engine); + + /* First idle_chk */ + rc = qed_dbg_idle_chk(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, IDLE_CHK, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_idle_chk failed. rc = %d\n", rc); + } + + /* Second idle_chk */ + rc = qed_dbg_idle_chk(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, IDLE_CHK, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_idle_chk failed. rc = %d\n", rc); + } + + /* reg_fifo dump */ + rc = qed_dbg_reg_fifo(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, REG_FIFO, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_reg_fifo failed. rc = %d\n", rc); + } + + /* igu_fifo dump */ + rc = qed_dbg_igu_fifo(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, IGU_FIFO, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_igu_fifo failed. rc = %d", rc); + } + + /* protection_override dump */ + rc = qed_dbg_protection_override(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, + &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, + PROTECTION_OVERRIDE, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, + "qed_dbg_protection_override failed. rc = %d\n", + rc); + } + + /* fw_asserts dump */ + rc = qed_dbg_fw_asserts(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, FW_ASSERTS, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_fw_asserts failed. rc = %d\n", + rc); + } + + feature_size = qed_dbg_ilt_size(cdev); + if (!cdev->disable_ilt_dump && feature_size < + ILT_DUMP_MAX_SIZE) { + rc = qed_dbg_ilt(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, ILT_DUMP, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_ilt failed. rc = %d\n", + rc); + } + } + + /* Grc dump - must be last because when mcp stuck it will + * clutter idle_chk, reg_fifo, ... + */ + for (i = 0; i < MAX_DBG_GRC_PARAMS; i++) + dev_data->grc.param_val[i] = grc_params[i]; + + rc = qed_dbg_grc(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, GRC_DUMP, + cur_engine, + feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_grc failed. rc = %d", rc); + } + } + + qed_set_debug_engine(cdev, org_engine); + + /* mcp_trace */ + rc = qed_dbg_mcp_trace(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, MCP_TRACE, cur_engine, + feature_size, omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else { + DP_ERR(cdev, "qed_dbg_mcp_trace failed. rc = %d\n", rc); + } + + /* nvm cfg1 */ + rc = qed_dbg_nvm_image(cdev, + (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size, + QED_NVM_IMAGE_NVM_CFG1); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, NVM_CFG1, cur_engine, + feature_size, omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else if (rc != -ENOENT) { + DP_ERR(cdev, + "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n", + QED_NVM_IMAGE_NVM_CFG1, "QED_NVM_IMAGE_NVM_CFG1", + rc); + } + + /* nvm default */ + rc = qed_dbg_nvm_image(cdev, + (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size, + QED_NVM_IMAGE_DEFAULT_CFG); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, DEFAULT_CFG, + cur_engine, feature_size, + omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else if (rc != -ENOENT) { + DP_ERR(cdev, + "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n", + QED_NVM_IMAGE_DEFAULT_CFG, + "QED_NVM_IMAGE_DEFAULT_CFG", rc); + } + + /* nvm meta */ + rc = qed_dbg_nvm_image(cdev, + (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size, + QED_NVM_IMAGE_NVM_META); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, NVM_META, cur_engine, + feature_size, omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else if (rc != -ENOENT) { + DP_ERR(cdev, + "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n", + QED_NVM_IMAGE_NVM_META, "QED_NVM_IMAGE_NVM_META", + rc); + } + + /* nvm mdump */ + rc = qed_dbg_nvm_image(cdev, (u8 *)buffer + offset + + REGDUMP_HEADER_SIZE, &feature_size, + QED_NVM_IMAGE_MDUMP); + if (!rc) { + *(u32 *)((u8 *)buffer + offset) = + qed_calc_regdump_header(cdev, MDUMP, cur_engine, + feature_size, omit_engine, + cdev->dbg_bin_dump); + offset += (feature_size + REGDUMP_HEADER_SIZE); + } else if (rc != -ENOENT) { + DP_ERR(cdev, + "qed_dbg_nvm_image failed for image %d (%s), rc = %d\n", + QED_NVM_IMAGE_MDUMP, "QED_NVM_IMAGE_MDUMP", rc); + } + + mutex_unlock(&qed_dbg_lock); + cdev->dbg_bin_dump = 0; + + return 0; +} + +int qed_dbg_all_data_size(struct qed_dev *cdev) +{ + u32 regs_len = 0, image_len = 0, ilt_len = 0, total_ilt_len = 0; + struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug]; + u8 cur_engine, org_engine; + + cdev->disable_ilt_dump = false; + org_engine = qed_get_debug_engine(cdev); + for (cur_engine = 0; cur_engine < cdev->num_hwfns; cur_engine++) { + /* Engine specific */ + DP_VERBOSE(cdev, QED_MSG_DEBUG, + "calculating idle_chk and grcdump register length for current engine\n"); + qed_set_debug_engine(cdev, cur_engine); + regs_len += REGDUMP_HEADER_SIZE + qed_dbg_idle_chk_size(cdev) + + REGDUMP_HEADER_SIZE + qed_dbg_idle_chk_size(cdev) + + REGDUMP_HEADER_SIZE + qed_dbg_grc_size(cdev) + + REGDUMP_HEADER_SIZE + qed_dbg_reg_fifo_size(cdev) + + REGDUMP_HEADER_SIZE + qed_dbg_igu_fifo_size(cdev) + + REGDUMP_HEADER_SIZE + + qed_dbg_protection_override_size(cdev) + + REGDUMP_HEADER_SIZE + qed_dbg_fw_asserts_size(cdev); + ilt_len = REGDUMP_HEADER_SIZE + qed_dbg_ilt_size(cdev); + if (ilt_len < ILT_DUMP_MAX_SIZE) { + total_ilt_len += ilt_len; + regs_len += ilt_len; + } + } + + qed_set_debug_engine(cdev, org_engine); + + /* Engine common */ + regs_len += REGDUMP_HEADER_SIZE + qed_dbg_mcp_trace_size(cdev) + + REGDUMP_HEADER_SIZE + qed_dbg_phy_size(cdev); + qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_NVM_CFG1, &image_len); + if (image_len) + regs_len += REGDUMP_HEADER_SIZE + image_len; + qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_DEFAULT_CFG, &image_len); + if (image_len) + regs_len += REGDUMP_HEADER_SIZE + image_len; + qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_NVM_META, &image_len); + if (image_len) + regs_len += REGDUMP_HEADER_SIZE + image_len; + qed_dbg_nvm_image_length(p_hwfn, QED_NVM_IMAGE_MDUMP, &image_len); + if (image_len) + regs_len += REGDUMP_HEADER_SIZE + image_len; + + if (regs_len > REGDUMP_MAX_SIZE) { + DP_VERBOSE(cdev, QED_MSG_DEBUG, + "Dump exceeds max size 0x%x, disable ILT dump\n", + REGDUMP_MAX_SIZE); + cdev->disable_ilt_dump = true; + regs_len -= total_ilt_len; + } + + return regs_len; +} + +int qed_dbg_feature(struct qed_dev *cdev, void *buffer, + enum qed_dbg_features feature, u32 *num_dumped_bytes) +{ + struct qed_dbg_feature *qed_feature = &cdev->dbg_features[feature]; + struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug]; + enum dbg_status dbg_rc; + struct qed_ptt *p_ptt; + int rc = 0; + + /* Acquire ptt */ + p_ptt = qed_ptt_acquire(p_hwfn); + if (!p_ptt) + return -EINVAL; + + /* Get dump */ + dbg_rc = qed_dbg_dump(p_hwfn, p_ptt, feature); + if (dbg_rc != DBG_STATUS_OK) { + DP_VERBOSE(cdev, QED_MSG_DEBUG, "%s\n", + qed_dbg_get_status_str(dbg_rc)); + *num_dumped_bytes = 0; + rc = -EINVAL; + goto out; + } + + DP_VERBOSE(cdev, QED_MSG_DEBUG, + "copying debugfs feature to external buffer\n"); + memcpy(buffer, qed_feature->dump_buf, qed_feature->buf_size); + *num_dumped_bytes = cdev->dbg_features[feature].dumped_dwords * + 4; + +out: + qed_ptt_release(p_hwfn, p_ptt); + return rc; +} + +int qed_dbg_feature_size(struct qed_dev *cdev, enum qed_dbg_features feature) +{ + struct qed_dbg_feature *qed_feature = &cdev->dbg_features[feature]; + struct qed_hwfn *p_hwfn = &cdev->hwfns[cdev->engine_for_debug]; + struct qed_ptt *p_ptt = qed_ptt_acquire(p_hwfn); + u32 buf_size_dwords; + enum dbg_status rc; + + if (!p_ptt) + return -EINVAL; + + rc = qed_features_lookup[feature].get_size(p_hwfn, p_ptt, + &buf_size_dwords); + if (rc != DBG_STATUS_OK) + buf_size_dwords = 0; + + /* Feature will not be dumped if it exceeds maximum size */ + if (buf_size_dwords > MAX_DBG_FEATURE_SIZE_DWORDS) + buf_size_dwords = 0; + + qed_ptt_release(p_hwfn, p_ptt); + qed_feature->buf_size = buf_size_dwords * sizeof(u32); + return qed_feature->buf_size; +} + +int qed_dbg_phy_size(struct qed_dev *cdev) +{ + /* return max size of phy info and + * phy mac_stat multiplied by the number of ports + */ + return MAX_PHY_RESULT_BUFFER * (1 + qed_device_num_ports(cdev)); +} + +u8 qed_get_debug_engine(struct qed_dev *cdev) +{ + return cdev->engine_for_debug; +} + +void qed_set_debug_engine(struct qed_dev *cdev, int engine_number) +{ + DP_VERBOSE(cdev, QED_MSG_DEBUG, "set debug engine to %d\n", + engine_number); + cdev->engine_for_debug = engine_number; +} + +void qed_dbg_pf_init(struct qed_dev *cdev) +{ + const u8 *dbg_values = NULL; + int i; + + /* Sync ver with debugbus qed code */ + qed_dbg_set_app_ver(TOOLS_VERSION); + + /* Debug values are after init values. + * The offset is the first dword of the file. + */ + dbg_values = cdev->firmware->data + *(u32 *)cdev->firmware->data; + + for_each_hwfn(cdev, i) { + qed_dbg_set_bin_ptr(&cdev->hwfns[i], dbg_values); + qed_dbg_user_set_bin_ptr(&cdev->hwfns[i], dbg_values); + } + + /* Set the hwfn to be 0 as default */ + cdev->engine_for_debug = 0; +} + +void qed_dbg_pf_exit(struct qed_dev *cdev) +{ + struct qed_dbg_feature *feature = NULL; + enum qed_dbg_features feature_idx; + + /* debug features' buffers may be allocated if debug feature was used + * but dump wasn't called + */ + for (feature_idx = 0; feature_idx < DBG_FEATURE_NUM; feature_idx++) { + feature = &cdev->dbg_features[feature_idx]; + if (feature->dump_buf) { + vfree(feature->dump_buf); + feature->dump_buf = NULL; + } + } +} |