ice, libie: move fwlog code to libie

Move whole code from ice_fwlog.c/h to libie/fwlog.c/h.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>

Author: Michal Swiatkowski

drivers/net/ethernet/intel/Kconfig

@@ -297,6 +297,7 @@ config ICE
 	select DIMLIB
 	select LIBIE
 	select LIBIE_ADMINQ
+	select LIBIE_FWLOG
 	select NET_DEVLINK
 	select PACKING
 	select PLDMFW

drivers/net/ethernet/intel/ice/Makefile

@@ -42,7 +42,6 @@ ice-y := ice_main.o	\
 	 ice_ethtool.o  \
 	 ice_repr.o	\
 	 ice_tc_lib.o	\
-	 ice_fwlog.o	\
 	 ice_debugfs.o  \
 	 ice_adapter.o
 ice-$(CONFIG_PCI_IOV) +=	\

drivers/net/ethernet/intel/ice/ice_main.c

@@ -39,6 +39,7 @@ static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation.";
 MODULE_DESCRIPTION(DRV_SUMMARY);
 MODULE_IMPORT_NS("LIBIE");
 MODULE_IMPORT_NS("LIBIE_ADMINQ");
+MODULE_IMPORT_NS("LIBIE_FWLOG");
 MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE(ICE_DDP_PKG_FILE);
 

drivers/net/ethernet/intel/ice/ice_type.h

@@ -17,7 +17,7 @@
 #include "ice_protocol_type.h"
 #include "ice_sbq_cmd.h"
 #include "ice_vlan_mode.h"
-#include "ice_fwlog.h"
+#include <linux/net/intel/libie/fwlog.h>
 #include <linux/wait.h>
 #include <net/dscp.h>
 

drivers/net/ethernet/intel/libie/Kconfig

@@ -14,3 +14,12 @@ config LIBIE_ADMINQ
 	help
 	  Helper functions used by Intel Ethernet drivers for administration
 	  queue command interface (aka adminq).
+
+config LIBIE_FWLOG
+	tristate
+	select LIBIE_ADMINQ
+	help
+	  Library to support firmware logging on device that have support
+	  for it. Firmware logging is using admin queue interface to communicate
+	  with the device. Debugfs is a user interface used to config logging
+	  and dump all collected logs.

drivers/net/ethernet/intel/libie/Makefile

@@ -8,3 +8,7 @@ libie-y			:= rx.o
 obj-$(CONFIG_LIBIE_ADMINQ) 	+= libie_adminq.o
 
 libie_adminq-y			:= adminq.o
+
+obj-$(CONFIG_LIBIE_FWLOG) 	+= libie_fwlog.o
+
+libie_fwlog-y			:= fwlog.o

drivers/net/ethernet/intel/ice/ice_fwlog.c renamed to drivers/net/ethernet/intel/libie/fwlog.c

@@ -2,12 +2,14 @@
 /* Copyright (c) 2022, Intel Corporation. */
 
 #include <linux/debugfs.h>
+#include <linux/export.h>
 #include <linux/fs.h>
+#include <linux/net/intel/libie/fwlog.h>
+#include <linux/pci.h>
 #include <linux/random.h>
 #include <linux/vmalloc.h>
-#include "ice.h"
-#include "ice_common.h"
-#include "ice_fwlog.h"
+
+#define DEFAULT_SYMBOL_NAMESPACE	"LIBIE_FWLOG"
 
 /* create a define that has an extra module that doesn't really exist. this
  * is so we can add a module 'all' to easily enable/disable all the modules
@@ -1037,6 +1039,7 @@ int libie_fwlog_init(struct libie_fwlog *fwlog, struct libie_fwlog_api *api)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(libie_fwlog_init);
 
 /**
  * libie_fwlog_deinit - unroll FW logging configuration
@@ -1071,6 +1074,7 @@ void libie_fwlog_deinit(struct libie_fwlog *fwlog)
 		kfree(fwlog->ring.rings);
 	}
 }
+EXPORT_SYMBOL_GPL(libie_fwlog_deinit);
 
 /**
  * libie_get_fwlog_data - copy the FW log data from ARQ event
@@ -1095,6 +1099,7 @@ void libie_get_fwlog_data(struct libie_fwlog *fwlog, u8 *buf, u16 len)
 		libie_fwlog_ring_increment(&fwlog->ring.head, fwlog->ring.size);
 	}
 }
+EXPORT_SYMBOL_GPL(libie_get_fwlog_data);
 
 void libie_fwlog_reregister(struct libie_fwlog *fwlog)
 {
@@ -1104,3 +1109,7 @@ void libie_fwlog_reregister(struct libie_fwlog *fwlog)
 	if (libie_fwlog_register(fwlog))
 		fwlog->cfg.options &= ~LIBIE_FWLOG_OPTION_IS_REGISTERED;
 }
+EXPORT_SYMBOL_GPL(libie_fwlog_reregister);
+
+MODULE_DESCRIPTION("Intel(R) Ethernet common library");
+MODULE_LICENSE("GPL");

include/linux/net/intel/libie/adminq.h

@@ -265,7 +265,7 @@ enum libie_aqc_fw_logging_mod {
 	LIBIE_AQC_FW_LOG_ID_TSDRV,
 	LIBIE_AQC_FW_LOG_ID_PFREG,
 	LIBIE_AQC_FW_LOG_ID_MDLVER,
-	LIBIE_AQC_FW_LOG_ID_MAX,
+	LIBIE_AQC_FW_LOG_ID_MAX
 };
 
 /* Set FW Logging configuration (indirect 0xFF30)
@@ -280,8 +280,8 @@ enum libie_aqc_fw_logging_mod {
 #define LIBIE_AQC_FW_LOG_AQ_REGISTER		BIT(0)
 #define LIBIE_AQC_FW_LOG_AQ_QUERY		BIT(2)
 
-#define LIBIE_AQC_FW_LOG_MIN_RESOLUTION		(1)
-#define LIBIE_AQC_FW_LOG_MAX_RESOLUTION		(128)
+#define LIBIE_AQC_FW_LOG_MIN_RESOLUTION		1
+#define LIBIE_AQC_FW_LOG_MAX_RESOLUTION		128
 
 struct libie_aqc_fw_log {
 	u8 cmd_flags;

drivers/net/ethernet/intel/ice/ice_fwlog.h renamed to include/linux/net/intel/libie/fwlog.h

@@ -3,7 +3,8 @@
 
 #ifndef _LIBIE_FWLOG_H_
 #define _LIBIE_FWLOG_H_
-#include "ice_adminq_cmd.h"
+
+#include <linux/net/intel/libie/adminq.h>
 
 /* Only a single log level should be set and all log levels under the set value
  * are enabled, e.g. if log level is set to LIBIE_FW_LOG_LEVEL_VERBOSE, then all