New upstream version 18.08
[deb_dpdk.git] / drivers / net / qede / base / ecore_mcp.h
index 448c30b..8e12531 100644 (file)
@@ -1,9 +1,7 @@
-/*
- * Copyright (c) 2016 QLogic Corporation.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2016 - 2018 Cavium Inc.
  * All rights reserved.
- * www.qlogic.com
- *
- * See LICENSE.qede_pmd for copyright and licensing details.
+ * www.cavium.com
  */
 
 #ifndef __ECORE_MCP_H__
@@ -11,7 +9,9 @@
 
 #include "bcm_osal.h"
 #include "mcp_public.h"
+#include "ecore.h"
 #include "ecore_mcp_api.h"
+#include "ecore_dev_api.h"
 
 /* Using hwfn number (and not pf_num) is required since in CMT mode,
  * same pf_num may be used by two different hwfn
                                            ((rel_pfid) | \
                                             ((p_hwfn)->abs_pf_id & 1) << 3) : \
                                             rel_pfid)
-#define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)
+#define MCP_PF_ID(p_hwfn)      MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)
 
-/* TODO - this is only correct as long as only BB is supported, and
- * no port-swapping is implemented; Afterwards we'll need to fix it.
- */
 #define MFW_PORT(_p_hwfn)      ((_p_hwfn)->abs_pf_id % \
-                                ((_p_hwfn)->p_dev->num_ports_in_engines * 2))
+                                ecore_device_num_ports((_p_hwfn)->p_dev))
+
 struct ecore_mcp_info {
-       osal_spinlock_t lock;   /* Spinlock used for accessing MCP mailbox */
-       u32 public_base;        /* Address of the MCP public area */
-       u32 drv_mb_addr;        /* Address of the driver mailbox */
-       u32 mfw_mb_addr;        /* Address of the MFW mailbox */
-       u32 port_addr;          /* Address of the port configuration (link) */
-       u16 drv_mb_seq;         /* Current driver mailbox sequence */
-       u16 drv_pulse_seq;      /* Current driver pulse sequence */
-       struct ecore_mcp_link_params link_input;
-       struct ecore_mcp_link_state link_output;
+       /* List for mailbox commands which were sent and wait for a response */
+       osal_list_t cmd_list;
+
+       /* Spinlock used for protecting the access to the mailbox commands list
+        * and the sending of the commands.
+        */
+       osal_spinlock_t cmd_lock;
+
+       /* Flag to indicate whether sending a MFW mailbox command is blocked */
+       bool b_block_cmd;
+
+       /* Spinlock used for syncing SW link-changes and link-changes
+        * originating from attention context.
+        */
+       osal_spinlock_t link_lock;
+
+       /* Address of the MCP public area */
+       u32 public_base;
+       /* Address of the driver mailbox */
+       u32 drv_mb_addr;
+       /* Address of the MFW mailbox */
+       u32 mfw_mb_addr;
+       /* Address of the port configuration (link) */
+       u32 port_addr;
+
+       /* Current driver mailbox sequence */
+       u16 drv_mb_seq;
+       /* Current driver pulse sequence */
+       u16 drv_pulse_seq;
+
+       struct ecore_mcp_link_params       link_input;
+       struct ecore_mcp_link_state        link_output;
        struct ecore_mcp_link_capabilities link_capabilities;
-       struct ecore_mcp_function_info func_info;
+
+       struct ecore_mcp_function_info     func_info;
 
        u8 *mfw_mb_cur;
        u8 *mfw_mb_shadow;
        u16 mfw_mb_length;
-       u16 mcp_hist;
+       u32 mcp_hist;
+
+       /* Capabilties negotiated with the MFW */
+       u32 capabilities;
+};
+
+struct ecore_mcp_mb_params {
+       u32 cmd;
+       u32 param;
+       void *p_data_src;
+       u8 data_src_size;
+       void *p_data_dst;
+       u8 data_dst_size;
+       u32 mcp_resp;
+       u32 mcp_param;
+};
+
+struct ecore_drv_tlv_hdr {
+       u8 tlv_type;    /* According to the enum below */
+       u8 tlv_length;  /* In dwords - not including this header */
+       u8 tlv_reserved;
+#define ECORE_DRV_TLV_FLAGS_CHANGED 0x01
+       u8 tlv_flags;
 };
 
 /**
@@ -65,7 +109,7 @@ enum _ecore_status_t ecore_mcp_cmd_init(struct ecore_hwfn *p_hwfn,
  *
  * @param p_hwfn
  * @param p_ptt
- * Can only be called after `num_ports_in_engines' is set
+ * Can only be called after `num_ports_in_engine' is set
  */
 void ecore_mcp_cmd_port_init(struct ecore_hwfn *p_hwfn,
                             struct ecore_ptt *p_ptt);
@@ -107,144 +151,116 @@ enum _ecore_status_t ecore_mcp_handle_events(struct ecore_hwfn *p_hwfn,
  * @param p_hwfn - hw function
  * @param p_ptt - PTT required for register access
  * @return enum _ecore_status_t - ECORE_SUCCESS - operation
- * was successul.
+ * was successful.
  */
 enum _ecore_status_t ecore_issue_pulse(struct ecore_hwfn *p_hwfn,
                                       struct ecore_ptt *p_ptt);
 
+enum ecore_drv_role {
+       ECORE_DRV_ROLE_OS,
+       ECORE_DRV_ROLE_KDUMP,
+};
+
+struct ecore_load_req_params {
+       /* Input params */
+       enum ecore_drv_role drv_role;
+       u8 timeout_val; /* 1..254, '0' - default value, '255' - no timeout */
+       bool avoid_eng_reset;
+       enum ecore_override_force_load override_force_load;
+
+       /* Output params */
+       u32 load_code;
+};
+
 /**
- * @brief Sends a LOAD_REQ to the MFW, and in case operation
- *        succeed, returns whether this PF is the first on the
- *        chip/engine/port or function. This function should be
- *        called when driver is ready to accept MFW events after
- *        Storms initializations are done.
- *
- * @param p_hwfn       - hw function
- * @param p_ptt        - PTT required for register access
- * @param p_load_code  - The MCP response param containing one
- *      of the following:
- *      FW_MSG_CODE_DRV_LOAD_ENGINE
- *      FW_MSG_CODE_DRV_LOAD_PORT
- *      FW_MSG_CODE_DRV_LOAD_FUNCTION
- * @return enum _ecore_status_t -
- *      ECORE_SUCCESS - Operation was successul.
- *      ECORE_BUSY - Operation failed
+ * @brief Sends a LOAD_REQ to the MFW, and in case the operation succeeds,
+ *        returns whether this PF is the first on the engine/port or function.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_params
+ *
+ * @return enum _ecore_status_t - ECORE_SUCCESS - Operation was successful.
  */
 enum _ecore_status_t ecore_mcp_load_req(struct ecore_hwfn *p_hwfn,
                                        struct ecore_ptt *p_ptt,
-                                       u32 *p_load_code);
+                                       struct ecore_load_req_params *p_params);
 
 /**
- * @brief Read the MFW mailbox into Current buffer.
+ * @brief Sends a LOAD_DONE message to the MFW
  *
  * @param p_hwfn
  * @param p_ptt
+ *
+ * @return enum _ecore_status_t - ECORE_SUCCESS - Operation was successful.
  */
-void ecore_mcp_read_mb(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
+enum _ecore_status_t ecore_mcp_load_done(struct ecore_hwfn *p_hwfn,
+                                        struct ecore_ptt *p_ptt);
 
 /**
- * @brief Ack to mfw that driver finished FLR process for VFs
+ * @brief Sends a UNLOAD_REQ message to the MFW
  *
  * @param p_hwfn
  * @param p_ptt
- * @param vfs_to_ack - bit mask of all engine VFs for which the PF acks.
  *
- * @param return enum _ecore_status_t - ECORE_SUCCESS upon success.
+ * @return enum _ecore_status_t - ECORE_SUCCESS - Operation was successful.
  */
-enum _ecore_status_t ecore_mcp_ack_vf_flr(struct ecore_hwfn *p_hwfn,
-                                         struct ecore_ptt *p_ptt,
-                                         u32 *vfs_to_ack);
+enum _ecore_status_t ecore_mcp_unload_req(struct ecore_hwfn *p_hwfn,
+                                         struct ecore_ptt *p_ptt);
 
 /**
- * @brief - calls during init to read shmem of all function-related info.
+ * @brief Sends a UNLOAD_DONE message to the MFW
  *
  * @param p_hwfn
+ * @param p_ptt
  *
- * @param return ECORE_SUCCESS upon success.
+ * @return enum _ecore_status_t - ECORE_SUCCESS - Operation was successful.
  */
-enum _ecore_status_t ecore_mcp_fill_shmem_func_info(struct ecore_hwfn *p_hwfn,
-                                                   struct ecore_ptt *p_ptt);
+enum _ecore_status_t ecore_mcp_unload_done(struct ecore_hwfn *p_hwfn,
+                                          struct ecore_ptt *p_ptt);
 
 /**
- * @brief - Reset the MCP using mailbox command.
+ * @brief Read the MFW mailbox into Current buffer.
  *
  * @param p_hwfn
  * @param p_ptt
- *
- * @param return ECORE_SUCCESS upon success.
  */
-enum _ecore_status_t ecore_mcp_reset(struct ecore_hwfn *p_hwfn,
-                                    struct ecore_ptt *p_ptt);
+void ecore_mcp_read_mb(struct ecore_hwfn *p_hwfn,
+                      struct ecore_ptt *p_ptt);
 
 /**
- * @brief - Sets the union data in the MCP mailbox and sends a mailbox command.
+ * @brief Ack to mfw that driver finished FLR process for VFs
  *
- * @param p_hwfn       - hw function
- * @param p_ptt        - PTT required for register access
- * @param cmd          - command to be sent to the MCP
- * @param param        - optional param
- * @param p_union_data - pointer to a drv_union_data
- * @param o_mcp_resp   - the MCP response code (exclude sequence)
- * @param o_mcp_param  - optional parameter provided by the MCP response
+ * @param p_hwfn
+ * @param p_ptt
+ * @param vfs_to_ack - bit mask of all engine VFs for which the PF acks.
  *
- * @return enum _ecore_status_t -
- *      ECORE_SUCCESS - operation was successful
- *      ECORE_BUSY    - operation failed
+ * @param return enum _ecore_status_t - ECORE_SUCCESS upon success.
  */
-enum _ecore_status_t ecore_mcp_cmd_and_union(struct ecore_hwfn *p_hwfn,
-                                            struct ecore_ptt *p_ptt,
-                                            u32 cmd, u32 param,
-                                            union drv_union_data *p_union_data,
-                                            u32 *o_mcp_resp,
-                                            u32 *o_mcp_param);
+enum _ecore_status_t ecore_mcp_ack_vf_flr(struct ecore_hwfn *p_hwfn,
+                                         struct ecore_ptt *p_ptt,
+                                         u32 *vfs_to_ack);
 
 /**
- * @brief - Sends an NVM write command request to the MFW with
- *          payload.
+ * @brief - calls during init to read shmem of all function-related info.
  *
  * @param p_hwfn
- * @param p_ptt
- * @param cmd - Command: Either DRV_MSG_CODE_NVM_WRITE_NVRAM or
- *            DRV_MSG_CODE_NVM_PUT_FILE_DATA
- * @param param - [0:23] - Offset [24:31] - Size
- * @param o_mcp_resp - MCP response
- * @param o_mcp_param - MCP response param
- * @param i_txn_size -  Buffer size
- * @param i_buf - Pointer to the buffer
  *
  * @param return ECORE_SUCCESS upon success.
  */
-enum _ecore_status_t ecore_mcp_nvm_wr_cmd(struct ecore_hwfn *p_hwfn,
-                                         struct ecore_ptt *p_ptt,
-                                         u32 cmd,
-                                         u32 param,
-                                         u32 *o_mcp_resp,
-                                         u32 *o_mcp_param,
-                                         u32 i_txn_size, u32 *i_buf);
+enum _ecore_status_t ecore_mcp_fill_shmem_func_info(struct ecore_hwfn *p_hwfn,
+                                                   struct ecore_ptt *p_ptt);
 
 /**
- * @brief - Sends an NVM read command request to the MFW to get
- *        a buffer.
+ * @brief - Reset the MCP using mailbox command.
  *
  * @param p_hwfn
  * @param p_ptt
- * @param cmd - Command: DRV_MSG_CODE_NVM_GET_FILE_DATA or
- *            DRV_MSG_CODE_NVM_READ_NVRAM commands
- * @param param - [0:23] - Offset [24:31] - Size
- * @param o_mcp_resp - MCP response
- * @param o_mcp_param - MCP response param
- * @param o_txn_size -  Buffer size output
- * @param o_buf - Pointer to the buffer returned by the MFW.
  *
  * @param return ECORE_SUCCESS upon success.
  */
-enum _ecore_status_t ecore_mcp_nvm_rd_cmd(struct ecore_hwfn *p_hwfn,
-                                         struct ecore_ptt *p_ptt,
-                                         u32 cmd,
-                                         u32 param,
-                                         u32 *o_mcp_resp,
-                                         u32 *o_mcp_param,
-                                         u32 *o_txn_size, u32 *o_buf);
+enum _ecore_status_t ecore_mcp_reset(struct ecore_hwfn *p_hwfn,
+                                    struct ecore_ptt *p_ptt);
 
 /**
  * @brief indicates whether the MFW objects [under mcp_info] are accessible
@@ -301,4 +317,253 @@ int __ecore_configure_pf_min_bandwidth(struct ecore_hwfn *p_hwfn,
 enum _ecore_status_t ecore_mcp_mask_parities(struct ecore_hwfn *p_hwfn,
                                             struct ecore_ptt *p_ptt,
                                             u32 mask_parities);
+/**
+ * @brief - Sends crash mdump related info to the MFW.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @param return ECORE_SUCCESS upon success.
+ */
+enum _ecore_status_t ecore_mcp_mdump_set_values(struct ecore_hwfn *p_hwfn,
+                                               struct ecore_ptt *p_ptt,
+                                               u32 epoch);
+
+/**
+ * @brief - Triggers a MFW crash dump procedure.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param epoch
+ *
+ * @param return ECORE_SUCCESS upon success.
+ */
+enum _ecore_status_t ecore_mcp_mdump_trigger(struct ecore_hwfn *p_hwfn,
+                                            struct ecore_ptt *p_ptt);
+
+struct ecore_mdump_retain_data {
+       u32 valid;
+       u32 epoch;
+       u32 pf;
+       u32 status;
+};
+
+/**
+ * @brief - Gets the mdump retained data from the MFW.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_mdump_retain
+ *
+ * @param return ECORE_SUCCESS upon success.
+ */
+enum _ecore_status_t
+ecore_mcp_mdump_get_retain(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                          struct ecore_mdump_retain_data *p_mdump_retain);
+
+/**
+ * @brief - Sets the MFW's max value for the given resource
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param res_id
+ *  @param resc_max_val
+ *  @param p_mcp_resp
+ *
+ * @return enum _ecore_status_t - ECORE_SUCCESS - operation was successful.
+ */
+enum _ecore_status_t
+ecore_mcp_set_resc_max_val(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                          enum ecore_resources res_id, u32 resc_max_val,
+                          u32 *p_mcp_resp);
+
+/**
+ * @brief - Gets the MFW allocation info for the given resource
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param res_id
+ *  @param p_mcp_resp
+ *  @param p_resc_num
+ *  @param p_resc_start
+ *
+ * @return enum _ecore_status_t - ECORE_SUCCESS - operation was successful.
+ */
+enum _ecore_status_t
+ecore_mcp_get_resc_info(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                       enum ecore_resources res_id, u32 *p_mcp_resp,
+                       u32 *p_resc_num, u32 *p_resc_start);
+
+/**
+ * @brief - Initiates PF FLR
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @param return ECORE_SUCCESS upon success.
+ */
+enum _ecore_status_t ecore_mcp_initiate_pf_flr(struct ecore_hwfn *p_hwfn,
+                                              struct ecore_ptt *p_ptt);
+
+#define ECORE_MCP_RESC_LOCK_MIN_VAL    RESOURCE_DUMP /* 0 */
+#define ECORE_MCP_RESC_LOCK_MAX_VAL    31
+
+enum ecore_resc_lock {
+       ECORE_RESC_LOCK_DBG_DUMP = ECORE_MCP_RESC_LOCK_MIN_VAL,
+       /* Locks that the MFW is aware of should be added here downwards */
+
+       /* Ecore only locks should be added here upwards */
+       ECORE_RESC_LOCK_RESC_ALLOC = ECORE_MCP_RESC_LOCK_MAX_VAL,
+
+       /* A dummy value to be used for auxiliary functions in need of
+        * returning an 'error' value.
+        */
+       ECORE_RESC_LOCK_RESC_INVALID,
+};
+
+struct ecore_resc_lock_params {
+       /* Resource number [valid values are 0..31] */
+       u8 resource;
+
+       /* Lock timeout value in seconds [default, none or 1..254] */
+       u8 timeout;
+#define ECORE_MCP_RESC_LOCK_TO_DEFAULT 0
+#define ECORE_MCP_RESC_LOCK_TO_NONE    255
+
+       /* Number of times to retry locking */
+       u8 retry_num;
+#define ECORE_MCP_RESC_LOCK_RETRY_CNT_DFLT     10
+
+       /* The interval in usec between retries */
+       u16 retry_interval;
+#define ECORE_MCP_RESC_LOCK_RETRY_VAL_DFLT     10000
+
+       /* Use sleep or delay between retries */
+       bool sleep_b4_retry;
+
+       /* Will be set as true if the resource is free and granted */
+       bool b_granted;
+
+       /* Will be filled with the resource owner.
+        * [0..15 = PF0-15, 16 = MFW, 17 = diag over serial]
+        */
+       u8 owner;
+};
+
+/**
+ * @brief Acquires MFW generic resource lock
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param p_params
+ *
+ * @return enum _ecore_status_t - ECORE_SUCCESS - operation was successful.
+ */
+enum _ecore_status_t
+ecore_mcp_resc_lock(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                   struct ecore_resc_lock_params *p_params);
+
+struct ecore_resc_unlock_params {
+       /* Resource number [valid values are 0..31] */
+       u8 resource;
+
+       /* Allow to release a resource even if belongs to another PF */
+       bool b_force;
+
+       /* Will be set as true if the resource is released */
+       bool b_released;
+};
+
+/**
+ * @brief Releases MFW generic resource lock
+ *
+ *  @param p_hwfn
+ *  @param p_ptt
+ *  @param p_params
+ *
+ * @return enum _ecore_status_t - ECORE_SUCCESS - operation was successful.
+ */
+enum _ecore_status_t
+ecore_mcp_resc_unlock(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                     struct ecore_resc_unlock_params *p_params);
+
+/**
+ * @brief - default initialization for lock/unlock resource structs
+ *
+ * @param p_lock - lock params struct to be initialized; Can be OSAL_NULL
+ * @param p_unlock - unlock params struct to be initialized; Can be OSAL_NULL
+ * @param resource - the requested resource
+ * @paral b_is_permanent - disable retries & aging when set
+ */
+void ecore_mcp_resc_lock_default_init(struct ecore_resc_lock_params *p_lock,
+                                     struct ecore_resc_unlock_params *p_unlock,
+                                     enum ecore_resc_lock resource,
+                                     bool b_is_permanent);
+
+/**
+ * @brief Learn of supported MFW features; To be done during early init
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+enum _ecore_status_t ecore_mcp_get_capabilities(struct ecore_hwfn *p_hwfn,
+                                               struct ecore_ptt *p_ptt);
+
+/**
+ * @brief Inform MFW of set of features supported by driver. Should be done
+ * inside the contet of the LOAD_REQ.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+enum _ecore_status_t ecore_mcp_set_capabilities(struct ecore_hwfn *p_hwfn,
+                                               struct ecore_ptt *p_ptt);
+
+enum ecore_mcp_drv_attr_cmd {
+       ECORE_MCP_DRV_ATTR_CMD_READ,
+       ECORE_MCP_DRV_ATTR_CMD_WRITE,
+       ECORE_MCP_DRV_ATTR_CMD_READ_CLEAR,
+       ECORE_MCP_DRV_ATTR_CMD_CLEAR,
+};
+
+struct ecore_mcp_drv_attr {
+       enum ecore_mcp_drv_attr_cmd attr_cmd;
+       u32 attr_num;
+
+       /* R/RC - will be set with the read value
+        * W - should hold the required value to be written
+        * C - DC
+        */
+       u32 val;
+
+       /* W - mask/offset to be applied on the given value
+        * R/RC/C - DC
+        */
+       u32 mask;
+       u32 offset;
+};
+
+/**
+ * @brief Handle the drivers' attributes that are kept by the MFW.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param p_drv_attr
+ */
+enum _ecore_status_t
+ecore_mcp_drv_attribute(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                       struct ecore_mcp_drv_attr *p_drv_attr);
+
+/**
+ * @brief Read ufp config from the shared memory.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+void
+ecore_mcp_read_ufp_config(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
+
+void ecore_mcp_wol_wr(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
+                     u32 offset, u32 val);
+
 #endif /* __ECORE_MCP_H__ */