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devlink: introduce line card info get message

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Allow the driver to provide per line card info get op to fill-up info,
similar to the "devlink dev info".

Example:

$ devlink lc info pci/0000:01:00.0 lc 8
pci/0000:01:00.0:
  lc 8
    versions:
        fixed:
          hw.revision 0
        running:
          ini.version 4

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2022-04-25 06:44:22 +03:00
committed by David S. Miller
parent 8d92e4fbcf
commit 276910aecc
4 changed files with 138 additions and 5 deletions
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7
include/net/devlink.h
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@@ -150,6 +150,8 @@ struct devlink_port_new_attrs {
sfnum_valid:1;
};
struct devlink_info_req;
/**
* struct devlink_linecard_ops - Linecard operations
* @provision: callback to provision the linecard slot with certain
@@ -168,6 +170,7 @@ struct devlink_port_new_attrs {
* provisioned.
* @types_count: callback to get number of supported types
* @types_get: callback to get next type in list
* @info_get: callback to get linecard info
*/
struct devlink_linecard_ops {
int (*provision)(struct devlink_linecard *linecard, void *priv,
@@ -182,6 +185,9 @@ struct devlink_linecard_ops {
void (*types_get)(struct devlink_linecard *linecard,
void *priv, unsigned int index, const char **type,
const void **type_priv);
int (*info_get)(struct devlink_linecard *linecard, void *priv,
struct devlink_info_req *req,
struct netlink_ext_ack *extack);
};
struct devlink_sb_pool_info {
@@ -628,7 +634,6 @@ struct devlink_flash_update_params {
#define DEVLINK_SUPPORT_FLASH_UPDATE_OVERWRITE_MASK BIT(1)
struct devlink_region;
struct devlink_info_req;
/**
* struct devlink_region_ops - Region operations