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qed/qede: make devlink survive recovery

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Devlink instance lifecycle was linked to qed_dev object,
that caused devlink to be recreated on each recovery.

Changing it by making higher level driver (qede) responsible for its
life. This way devlink now survives recoveries.

qede now stores devlink structure pointer as a part of its device
object, devlink private data contains a linkage structure,
qed_devlink.

Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: Alexander Lobakin <alobakin@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Igor Russkikh
2020-08-23 14:19:26 +03:00
committed by David S. Miller
parent 52306dee54
commit 755f982bb1
7 changed files with 48 additions and 35 deletions
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9
include/linux/qed/qed_if.h
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@@ -21,6 +21,7 @@
#include <linux/qed/common_hsi.h>
#include <linux/qed/qed_chain.h>
#include <linux/io-64-nonatomic-lo-hi.h>
#include <net/devlink.h>
enum dcbx_protocol_type {
DCBX_PROTOCOL_ISCSI,
@@ -779,6 +780,10 @@ enum qed_nvm_flash_cmd {
QED_NVM_FLASH_CMD_NVM_MAX,
};
struct qed_devlink {
struct qed_dev *cdev;
};
struct qed_common_cb_ops {
void (*arfs_filter_op)(void *dev, void *fltr, u8 fw_rc);
void (*link_update)(void *dev, struct qed_link_output *link);
@@ -1137,6 +1142,10 @@ struct qed_common_ops {
*
*/
int (*set_grc_config)(struct qed_dev *cdev, u32 cfg_id, u32 val);
struct devlink* (*devlink_register)(struct qed_dev *cdev);
void (*devlink_unregister)(struct devlink *devlink);
};
#define MASK_FIELD(_name, _value) \