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net/ice/base: add function to check FW recovery mode

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Code added to check the FW recovery mode. This function will be
used by the drivers during init to check whether the FW is in
recovery mode or not. If FW is in recovery mode then the drivers
need to run in a recovery mode where it can allow only limited
operations. Link should be down, allow only certain AQ commands
etc.

Signed-off-by: Victor Raj <victor.raj@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Reviewed-by: Qiming Yang <qiming.yang@intel.com>
Reviewed-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
This commit is contained in:
Qi Zhang 2019-03-25 13:44:43 +08:00 committed by Ferruh Yigit
parent fcbf52eaaf
commit 741ab49577
2 changed files with 23 additions and 0 deletions
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15
drivers/net/ice/base/ice_common.c
View File

@ -3915,3 +3915,18 @@ ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
ice_debug(hw, ICE_DBG_SCHED, "query element failed\n");
return status;
}
/**
* ice_is_fw_in_rec_mode
* @hw: pointer to the HW struct
*
* This function returns true if fw is in recovery mode
*/
bool ice_is_fw_in_rec_mode(struct ice_hw *hw)
{
u32 reg;
/* check the current FW mode */
reg = rd32(hw, GL_MNG_FWSM);
return (reg & GL_MNG_FWSM_FW_MODES_M) > ICE_FW_MODE_DBG;
}

8
drivers/net/ice/base/ice_common.h
View File

@ -10,6 +10,13 @@
#include "ice_flex_pipe.h"
#include "ice_switch.h"
enum ice_fw_modes {
ICE_FW_MODE_NORMAL,
ICE_FW_MODE_DBG,
ICE_FW_MODE_REC,
ICE_FW_MODE_DBG_REC
};
enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw);
void
@ -188,4 +195,5 @@ ice_stat_update32(struct ice_hw *hw, u32 reg, bool prev_stat_loaded,
enum ice_status
ice_sched_query_elem(struct ice_hw *hw, u32 node_teid,
struct ice_aqc_get_elem *buf);
bool ice_is_fw_in_rec_mode(struct ice_hw *hw);
#endif /* _ICE_COMMON_H_ */