net/ice/base: implement firmware debug dump

Basic implementation of FW Debug Dump.

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

diff --git a/drivers/net/ice/base/ice_adminq_cmd.h b/drivers/net/ice/base/ice_adminq_cmd.h
index 74c4e8f..7205fc6 100644 (file)
--- a/drivers/net/ice/base/ice_adminq_cmd.h
+++ b/drivers/net/ice/base/ice_adminq_cmd.h
@@ -2720,6 +2720,27 @@ struct ice_aqc_event_lan_overflow {
        u8 reserved[8];
 };
 
+/* Debug Dump Internal Data (indirect 0xFF08) */
+struct ice_aqc_debug_dump_internals {
+       u8 cluster_id;
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_SW         0
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_ACL                1
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_TXSCHED    2
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_PROFILES   3
+/* EMP_DRAM only dumpable in device debug mode */
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_EMP_DRAM   4
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_LINK       5
+/* AUX_REGS only dumpable in device debug mode */
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_AUX_REGS   6
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_DCB        7
+#define ICE_AQC_DBG_DUMP_CLUSTER_ID_L2P        8
+       u8 reserved;
+       __le16 table_id; /* Used only for non-memory clusters */
+       __le32 idx; /* In table entries for tables, in bytes for memory */
+       __le32 addr_high;
+       __le32 addr_low;
+};
+
 /* Set Health Status (direct 0xFF20) */
 struct ice_aqc_set_health_status_config {
        u8 event_source;
@@ -2894,6 +2915,7 @@ struct ice_aq_desc {
                struct ice_aqc_download_pkg download_pkg;
                struct ice_aqc_get_pkg_info_list get_pkg_info_list;
                struct ice_aqc_driver_shared_params drv_shared_params;
+               struct ice_aqc_debug_dump_internals debug_dump;
                struct ice_aqc_set_mac_lb set_mac_lb;
                struct ice_aqc_alloc_free_res_cmd sw_res_ctrl;
                struct ice_aqc_get_res_alloc get_res;
@@ -3161,6 +3183,9 @@ enum ice_adminq_opc {
        /* Standalone Commands/Events */
        ice_aqc_opc_event_lan_overflow                  = 0x1001,
 
+       /* debug commands */
+       ice_aqc_opc_debug_dump_internals                = 0xFF08,
+
        /* SystemDiagnostic commands */
        ice_aqc_opc_set_health_status_config            = 0xFF20,
        ice_aqc_opc_get_supported_health_status_codes   = 0xFF21,

diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c
index 9cfff89..e98145b 100644 (file)
--- a/drivers/net/ice/base/ice_common.c
+++ b/drivers/net/ice/base/ice_common.c
@@ -4517,6 +4517,56 @@ ice_set_ctx(struct ice_hw *hw, u8 *src_ctx, u8 *dest_ctx,
        return ICE_SUCCESS;
 }
 
+/**
+ * ice_aq_get_internal_data
+ * @hw: pointer to the hardware structure
+ * @cluster_id: specific cluster to dump
+ * @table_id: table ID within cluster
+ * @start: index of line in the block to read
+ * @buf: dump buffer
+ * @buf_size: dump buffer size
+ * @ret_buf_size: return buffer size (returned by FW)
+ * @ret_next_table: next block to read (returned by FW)
+ * @ret_next_index: next index to read (returned by FW)
+ * @cd: pointer to command details structure
+ *
+ * Get internal FW/HW data (0xFF08) for debug purposes.
+ */
+enum ice_status
+ice_aq_get_internal_data(struct ice_hw *hw, u8 cluster_id, u16 table_id,
+                        u32 start, void *buf, u16 buf_size, u16 *ret_buf_size,
+                        u16 *ret_next_table, u32 *ret_next_index,
+                        struct ice_sq_cd *cd)
+{
+       struct ice_aqc_debug_dump_internals *cmd;
+       struct ice_aq_desc desc;
+       enum ice_status status;
+
+       cmd = &desc.params.debug_dump;
+
+       if (buf_size == 0 || !buf)
+               return ICE_ERR_PARAM;
+
+       ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_debug_dump_internals);
+
+       cmd->cluster_id = cluster_id;
+       cmd->table_id = CPU_TO_LE16(table_id);
+       cmd->idx = CPU_TO_LE32(start);
+
+       status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
+
+       if (!status) {
+               if (ret_buf_size)
+                       *ret_buf_size = LE16_TO_CPU(desc.datalen);
+               if (ret_next_table)
+                       *ret_next_table = LE16_TO_CPU(cmd->table_id);
+               if (ret_next_index)
+                       *ret_next_index = LE32_TO_CPU(cmd->idx);
+       }
+
+       return status;
+}
+
 /**
  * ice_read_byte - read context byte into struct
  * @src_ctx:  the context structure to read from

diff --git a/drivers/net/ice/base/ice_common.h b/drivers/net/ice/base/ice_common.h
index a18cccd..770db8f 100644 (file)
--- a/drivers/net/ice/base/ice_common.h
+++ b/drivers/net/ice/base/ice_common.h
@@ -64,6 +64,12 @@ enum ice_status ice_get_caps(struct ice_hw *hw);
 
 void ice_set_safe_mode_caps(struct ice_hw *hw);
 
+enum ice_status
+ice_aq_get_internal_data(struct ice_hw *hw, u8 cluster_id, u16 table_id,
+                        u32 start, void *buf, u16 buf_size, u16 *ret_buf_size,
+                        u16 *ret_next_table, u32 *ret_next_index,
+                        struct ice_sq_cd *cd);
+
 /* Define a macro that will align a pointer to point to the next memory address
  * that falls on the given power of 2 (i.e., 2, 4, 8, 16, 32, 64...). For
  * example, given the variable pointer = 0x1006, then after the following call: