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path: root/drivers/net/i40e/base/i40e_nvm.c
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Diffstat (limited to 'drivers/net/i40e/base/i40e_nvm.c')
-rw-r--r--drivers/net/i40e/base/i40e_nvm.c86
1 files changed, 76 insertions, 10 deletions
diff --git a/drivers/net/i40e/base/i40e_nvm.c b/drivers/net/i40e/base/i40e_nvm.c
index f4e4eaa4..4fa1220b 100644
--- a/drivers/net/i40e/base/i40e_nvm.c
+++ b/drivers/net/i40e/base/i40e_nvm.c
@@ -872,10 +872,10 @@ enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
/* early check for status command and debug msgs */
upd_cmd = i40e_nvmupd_validate_command(hw, cmd, perrno);
- i40e_debug(hw, I40E_DEBUG_NVM, "%s state %d nvm_release_on_hold %d cmd 0x%08x config 0x%08x offset 0x%08x data_size 0x%08x\n",
+ i40e_debug(hw, I40E_DEBUG_NVM, "%s state %d nvm_release_on_hold %d opc 0x%04x cmd 0x%08x config 0x%08x offset 0x%08x data_size 0x%08x\n",
i40e_nvm_update_state_str[upd_cmd],
hw->nvmupd_state,
- hw->aq.nvm_release_on_done,
+ hw->nvm_release_on_done, hw->nvm_wait_opcode,
cmd->command, cmd->config, cmd->offset, cmd->data_size);
if (upd_cmd == I40E_NVMUPD_INVALID) {
@@ -889,7 +889,18 @@ enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
* going into the state machine
*/
if (upd_cmd == I40E_NVMUPD_STATUS) {
+ if (!cmd->data_size) {
+ *perrno = -EFAULT;
+ return I40E_ERR_BUF_TOO_SHORT;
+ }
+
bytes[0] = hw->nvmupd_state;
+
+ if (cmd->data_size >= 4) {
+ bytes[1] = 0;
+ *((u16 *)&bytes[2]) = hw->nvm_wait_opcode;
+ }
+
return I40E_SUCCESS;
}
@@ -908,6 +919,14 @@ enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
case I40E_NVMUPD_STATE_INIT_WAIT:
case I40E_NVMUPD_STATE_WRITE_WAIT:
+ /* if we need to stop waiting for an event, clear
+ * the wait info and return before doing anything else
+ */
+ if (cmd->offset == 0xffff) {
+ i40e_nvmupd_check_wait_event(hw, hw->nvm_wait_opcode);
+ return I40E_SUCCESS;
+ }
+
status = I40E_ERR_NOT_READY;
*perrno = -EBUSY;
break;
@@ -980,7 +999,8 @@ STATIC enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
if (status) {
i40e_release_nvm(hw);
} else {
- hw->aq.nvm_release_on_done = true;
+ hw->nvm_release_on_done = true;
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_erase;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
}
}
@@ -996,7 +1016,8 @@ STATIC enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
if (status) {
i40e_release_nvm(hw);
} else {
- hw->aq.nvm_release_on_done = true;
+ hw->nvm_release_on_done = true;
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
}
}
@@ -1009,10 +1030,12 @@ STATIC enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
hw->aq.asq_last_status);
} else {
status = i40e_nvmupd_nvm_write(hw, cmd, bytes, perrno);
- if (status)
+ if (status) {
i40e_release_nvm(hw);
- else
+ } else {
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITE_WAIT;
+ }
}
break;
@@ -1030,7 +1053,8 @@ STATIC enum i40e_status_code i40e_nvmupd_state_init(struct i40e_hw *hw,
-EIO;
i40e_release_nvm(hw);
} else {
- hw->aq.nvm_release_on_done = true;
+ hw->nvm_release_on_done = true;
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
}
}
@@ -1125,8 +1149,10 @@ retry:
switch (upd_cmd) {
case I40E_NVMUPD_WRITE_CON:
status = i40e_nvmupd_nvm_write(hw, cmd, bytes, perrno);
- if (!status)
+ if (!status) {
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITE_WAIT;
+ }
break;
case I40E_NVMUPD_WRITE_LCB:
@@ -1138,7 +1164,8 @@ retry:
-EIO;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
} else {
- hw->aq.nvm_release_on_done = true;
+ hw->nvm_release_on_done = true;
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
}
break;
@@ -1153,6 +1180,7 @@ retry:
-EIO;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
} else {
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITE_WAIT;
}
break;
@@ -1167,7 +1195,8 @@ retry:
-EIO;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
} else {
- hw->aq.nvm_release_on_done = true;
+ hw->nvm_release_on_done = true;
+ hw->nvm_wait_opcode = i40e_aqc_opc_nvm_update;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
}
break;
@@ -1217,6 +1246,37 @@ retry:
}
/**
+ * i40e_nvmupd_check_wait_event - handle NVM update operation events
+ * @hw: pointer to the hardware structure
+ * @opcode: the event that just happened
+ **/
+void i40e_nvmupd_check_wait_event(struct i40e_hw *hw, u16 opcode)
+{
+ if (opcode == 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;
+
+ 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;
+
+ default:
+ break;
+ }
+ }
+}
+
+/**
* i40e_nvmupd_validate_command - Validate given command
* @hw: pointer to hardware structure
* @cmd: pointer to nvm update command buffer
@@ -1378,6 +1438,12 @@ STATIC enum i40e_status_code i40e_nvmupd_exec_aq(struct i40e_hw *hw,
*perrno = i40e_aq_rc_to_posix(status, hw->aq.asq_last_status);
}
+ /* should we wait for a followup event? */
+ if (cmd->offset) {
+ hw->nvm_wait_opcode = cmd->offset;
+ hw->nvmupd_state = I40E_NVMUPD_STATE_INIT_WAIT;
+ }
+
return status;
}