net/octeontx2: add flow init and fini
[dpdk.git] / drivers / net / i40e / base / i40e_nvm.c
index db255f9..6c8ca87 100644 (file)
@@ -1,35 +1,6 @@
-/*******************************************************************************
-
-Copyright (c) 2013 - 2015, Intel Corporation
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
-    this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-
- 3. Neither the name of the Intel Corporation nor the names of its
-    contributors may be used to endorse or promote products derived from
-    this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
-
-***************************************************************************/
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2001-2018
+ */
 
 #include "i40e_prototype.h"
 
@@ -549,7 +520,8 @@ enum i40e_status_code i40e_write_nvm_aq(struct i40e_hw *hw, u8 module_pointer,
                ret_code = i40e_aq_update_nvm(hw, module_pointer,
                                              2 * offset,  /*bytes*/
                                              2 * words,   /*bytes*/
-                                             data, last_command, &cmd_details);
+                                             data, last_command, 0,
+                                             &cmd_details);
 
        return ret_code;
 }
@@ -789,6 +761,9 @@ STATIC enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
 STATIC enum i40e_status_code i40e_nvmupd_get_aq_result(struct i40e_hw *hw,
                                                    struct i40e_nvm_access *cmd,
                                                    u8 *bytes, int *perrno);
+STATIC enum i40e_status_code i40e_nvmupd_get_aq_event(struct i40e_hw *hw,
+                                                   struct i40e_nvm_access *cmd,
+                                                   u8 *bytes, int *perrno);
 STATIC INLINE u8 i40e_nvmupd_get_module(u32 val)
 {
        return (u8)(val & I40E_NVM_MOD_PNT_MASK);
@@ -798,6 +773,12 @@ STATIC INLINE u8 i40e_nvmupd_get_transaction(u32 val)
        return (u8)((val & I40E_NVM_TRANS_MASK) >> I40E_NVM_TRANS_SHIFT);
 }
 
+STATIC INLINE u8 i40e_nvmupd_get_preservation_flags(u32 val)
+{
+       return (u8)((val & I40E_NVM_PRESERVATION_FLAGS_MASK) >>
+                   I40E_NVM_PRESERVATION_FLAGS_SHIFT);
+}
+
 STATIC const char *i40e_nvm_update_state_str[] = {
        "I40E_NVMUPD_INVALID",
        "I40E_NVMUPD_READ_CON",
@@ -815,6 +796,7 @@ STATIC const char *i40e_nvm_update_state_str[] = {
        "I40E_NVMUPD_STATUS",
        "I40E_NVMUPD_EXEC_AQ",
        "I40E_NVMUPD_GET_AQ_RESULT",
+       "I40E_NVMUPD_GET_AQ_EVENT",
 };
 
 /**
@@ -912,9 +894,9 @@ enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
                 * the wait info and return before doing anything else
                 */
                if (cmd->offset == 0xffff) {
-                       i40e_nvmupd_check_wait_event(hw, hw->nvm_wait_opcode);
+                       i40e_nvmupd_clear_wait_state(hw);
                        status = I40E_SUCCESS;
-                       goto exit;
+                       break;
                }
 
                status = I40E_ERR_NOT_READY;
@@ -929,7 +911,7 @@ enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
                *perrno = -ESRCH;
                break;
        }
-exit:
+
        i40e_release_spinlock(&hw->aq.arq_spinlock);
        return status;
 }
@@ -1060,6 +1042,10 @@ STATIC enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
                status = i40e_nvmupd_get_aq_result(hw, cmd, bytes, perrno);
                break;
 
+       case I40E_NVMUPD_GET_AQ_EVENT:
+               status = i40e_nvmupd_get_aq_event(hw, cmd, bytes, perrno);
+               break;
+
        default:
                i40e_debug(hw, I40E_DEBUG_NVM,
                           "NVMUPD: bad cmd %s in init state\n",
@@ -1238,39 +1224,55 @@ retry:
 }
 
 /**
- * i40e_nvmupd_check_wait_event - handle NVM update operation events
+ * i40e_nvmupd_clear_wait_state - clear wait state on hw
  * @hw: pointer to the hardware structure
- * @opcode: the event that just happened
  **/
-void i40e_nvmupd_check_wait_event(struct i40e_hw *hw, u16 opcode)
+void i40e_nvmupd_clear_wait_state(struct i40e_hw *hw)
 {
-       if (opcode == hw->nvm_wait_opcode) {
+       i40e_debug(hw, I40E_DEBUG_NVM,
+                  "NVMUPD: clearing wait on opcode 0x%04x\n",
+                  hw->nvm_wait_opcode);
 
-               i40e_debug(hw, I40E_DEBUG_NVM,
-                          "NVMUPD: clearing wait on opcode 0x%04x\n", opcode);
-               if (hw->nvm_release_on_done) {
-                       i40e_release_nvm(hw);
-                       hw->nvm_release_on_done = false;
-               }
-               hw->nvm_wait_opcode = 0;
+       if (hw->nvm_release_on_done) {
+               i40e_release_nvm(hw);
+               hw->nvm_release_on_done = false;
+       }
+       hw->nvm_wait_opcode = 0;
 
-               if (hw->aq.arq_last_status) {
-                       hw->nvmupd_state = I40E_NVMUPD_STATE_ERROR;
-                       return;
-               }
+       if (hw->aq.arq_last_status) {
+               hw->nvmupd_state = I40E_NVMUPD_STATE_ERROR;
+               return;
+       }
 
-               switch (hw->nvmupd_state) {
-               case I40E_NVMUPD_STATE_INIT_WAIT:
-                       hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
-                       break;
+       switch (hw->nvmupd_state) {
+       case I40E_NVMUPD_STATE_INIT_WAIT:
+               hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
+               break;
 
-               case I40E_NVMUPD_STATE_WRITE_WAIT:
-                       hw->nvmupd_state = I40E_NVMUPD_STATE_WRITING;
-                       break;
+       case I40E_NVMUPD_STATE_WRITE_WAIT:
+               hw->nvmupd_state = I40E_NVMUPD_STATE_WRITING;
+               break;
 
-               default:
-                       break;
-               }
+       default:
+               break;
+       }
+}
+
+/**
+ * i40e_nvmupd_check_wait_event - handle NVM update operation events
+ * @hw: pointer to the hardware structure
+ * @opcode: the event that just happened
+ * @desc: AdminQ descriptor
+ **/
+void i40e_nvmupd_check_wait_event(struct i40e_hw *hw, u16 opcode,
+                                 struct i40e_aq_desc *desc)
+{
+       u32 aq_desc_len = sizeof(struct i40e_aq_desc);
+
+       if (opcode == hw->nvm_wait_opcode) {
+               i40e_memcpy(&hw->nvm_aq_event_desc, desc,
+                           aq_desc_len, I40E_NONDMA_TO_NONDMA);
+               i40e_nvmupd_clear_wait_state(hw);
        }
 }
 
@@ -1328,6 +1330,9 @@ STATIC enum i40e_nvmupd_cmd i40e_nvmupd_validate_command(struct i40e_hw *hw,
                        else if (module == 0)
                                upd_cmd = I40E_NVMUPD_GET_AQ_RESULT;
                        break;
+               case I40E_NVM_AQE:
+                       upd_cmd = I40E_NVMUPD_GET_AQ_EVENT;
+                       break;
                }
                break;
 
@@ -1390,6 +1395,9 @@ STATIC enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
        u32 aq_data_len;
 
        i40e_debug(hw, I40E_DEBUG_NVM, "NVMUPD: %s\n", __func__);
+       if (cmd->offset == 0xffff)
+               return I40E_SUCCESS;
+
        memset(&cmd_details, 0, sizeof(cmd_details));
        cmd_details.wb_desc = &hw->nvm_wb_desc;
 
@@ -1426,6 +1434,9 @@ STATIC enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
                }
        }
 
+       if (cmd->offset)
+               memset(&hw->nvm_aq_event_desc, 0, aq_desc_len);
+
        /* and away we go! */
        status = i40e_asq_send_command(hw, aq_desc, buff,
                                       buff_size, &cmd_details);
@@ -1435,6 +1446,7 @@ STATIC enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
                           i40e_stat_str(hw, status),
                           i40e_aq_str(hw, hw->aq.asq_last_status));
                *perrno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status);
+               return status;
        }
 
        /* should we wait for a followup event? */
@@ -1515,6 +1527,41 @@ STATIC enum i40e_status_code i40e_nvmupd_get_aq_result(struct i40e_hw *hw,
        return I40E_SUCCESS;
 }
 
+/**
+ * i40e_nvmupd_get_aq_event - Get the Admin Queue event from previous exec_aq
+ * @hw: pointer to hardware structure
+ * @cmd: pointer to nvm update command buffer
+ * @bytes: pointer to the data buffer
+ * @perrno: pointer to return error code
+ *
+ * cmd structure contains identifiers and data buffer
+ **/
+STATIC enum i40e_status_code i40e_nvmupd_get_aq_event(struct i40e_hw *hw,
+                                                   struct i40e_nvm_access *cmd,
+                                                   u8 *bytes, int *perrno)
+{
+       u32 aq_total_len;
+       u32 aq_desc_len;
+
+       i40e_debug(hw, I40E_DEBUG_NVM, "NVMUPD: %s\n", __func__);
+
+       aq_desc_len = sizeof(struct i40e_aq_desc);
+       aq_total_len = aq_desc_len + LE16_TO_CPU(hw->nvm_aq_event_desc.datalen);
+
+       /* check copylength range */
+       if (cmd->data_size > aq_total_len) {
+               i40e_debug(hw, I40E_DEBUG_NVM,
+                          "%s: copy length %d too big, trimming to %d\n",
+                          __func__, cmd->data_size, aq_total_len);
+               cmd->data_size = aq_total_len;
+       }
+
+       i40e_memcpy(bytes, &hw->nvm_aq_event_desc, cmd->data_size,
+                   I40E_NONDMA_TO_NONDMA);
+
+       return I40E_SUCCESS;
+}
+
 /**
  * i40e_nvmupd_nvm_read - Read NVM
  * @hw: pointer to hardware structure
@@ -1610,18 +1657,20 @@ STATIC enum i40e_status_code i40e_nvmupd_nvm_write(struct i40e_hw *hw,
        enum i40e_status_code status = I40E_SUCCESS;
        struct i40e_asq_cmd_details cmd_details;
        u8 module, transaction;
+       u8 preservation_flags;
        bool last;
 
        transaction = i40e_nvmupd_get_transaction(cmd->config);
        module = i40e_nvmupd_get_module(cmd->config);
        last = (transaction & I40E_NVM_LCB);
+       preservation_flags = i40e_nvmupd_get_preservation_flags(cmd->config);
 
        memset(&cmd_details, 0, sizeof(cmd_details));
        cmd_details.wb_desc = &hw->nvm_wb_desc;
 
        status = i40e_aq_update_nvm(hw, module, cmd->offset,
                                    (u16)cmd->data_size, bytes, last,
-                                   &cmd_details);
+                                   preservation_flags, &cmd_details);
        if (status) {
                i40e_debug(hw, I40E_DEBUG_NVM,
                           "i40e_nvmupd_nvm_write mod 0x%x off 0x%x len 0x%x\n",