#define LUSTRE_CFG_RC_SKIP -8
#define LUSTRE_CFG_RC_LAST_ELEM -9
+enum lnetctl_cmd {
+ LNETCTL_CONFIG_CMD = 1,
+ LNETCTL_UNCONFIG_CMD = 2,
+ LNETCTL_ADD_CMD = 3,
+ LNETCTL_DEL_CMD = 4,
+ LNETCTL_SHOW_CMD = 5,
+ LNETCTL_DBG_CMD = 6,
+ LNETCTL_MANAGE_CMD = 7,
+ LNETCTL_LAST_CMD
+};
+
+/*
+ * Max number of nids we'll configure for a single peer via a single DLC
+ * operation
+ */
+#define LNET_MAX_NIDS_PER_PEER 128
+
struct lnet_dlc_network_descr {
struct list_head network_on_rule;
__u32 nw_id;
* gw - gateway
* hops - number of hops passed down by the user
* prio - priority of the route
+ * sen - health sensitivity value for the gateway
* seq_no - sequence number of the request
* err_rc - [OUT] struct cYAML tree describing the error. Freed by caller
*/
int lustre_lnet_config_route(char *nw, char *gw, int hops, int prio,
- int seq_no, struct cYAML **err_rc);
+ int sen, int seq_no, struct cYAML **err_rc);
/*
* lustre_lnet_del_route
int seq_no, struct cYAML **err_rc);
/*
+ * lustre_lnet_config_recov_intrv
+ * set the recovery interval in seconds. That's the interval to ping an
+ * unhealthy interface.
+ *
+ * intrv - recovery interval value to configure
+ * seq_no - sequence number of the request
+ * err_rc - [OUT] struct cYAML tree describing the error. Freed by
+ * caller
+ */
+int lustre_lnet_config_recov_intrv(int intrv, int seq_no, struct cYAML **err_rc);
+
+/*
+ * lustre_lnet_show_recov_intrv
+ * show the recovery interval set in the system
+ *
+ * seq_no - sequence number of the request
+ * show_rc - [OUT] struct cYAML tree containing health sensitivity info
+ * err_rc - [OUT] struct cYAML tree describing the error. Freed by
+ * caller
+ */
+int lustre_lnet_show_recov_intrv(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+
+/*
+ * lustre_lnet_config_rtr_sensitivity
+ * sets the router sensitivity percentage. If the percentage health
+ * of a router interface drops below that it's considered failed
+ *
+ * sen - sensitivity value to configure
+ * seq_no - sequence number of the request
+ * err_rc - [OUT] struct cYAML tree describing the error. Freed by
+ * caller
+ */
+int lustre_lnet_config_rtr_sensitivity(int sen, int seq_no, struct cYAML **err_rc);
+
+/*
* lustre_lnet_config_hsensitivity
* sets the health sensitivity; the value by which to decrement the
* health value of a local or peer NI. If 0 then health is turned off
struct cYAML **err_rc);
/*
+ * lustre_lnet_show_rtr_sensitivity
+ * show the router sensitivity percentage in the system
+ *
+ * seq_no - sequence number of the request
+ * show_rc - [OUT] struct cYAML tree containing health sensitivity info
+ * err_rc - [OUT] struct cYAML tree describing the error. Freed by
+ * caller
+ */
+int lustre_lnet_show_rtr_sensitivity(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+
+/*
* lustre_lnet_config_transaction_to
* sets the timeout after which a message expires or a timeout event is
* propagated for an expired response.
int lustre_lnet_show_retry_count(int seq_no, struct cYAML **show_rc,
struct cYAML **err_rc);
+int lustre_lnet_show_lnd_timeout(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+
+int lustre_lnet_show_local_ni_recovq(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+
+int lustre_lnet_show_peer_ni_recovq(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+int lustre_lnet_config_response_tracking(int count, int seq_no,
+ struct cYAML **err_rc);
+int lustre_lnet_show_response_tracking(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+
/*
* lustre_lnet_config_max_intf
* Sets the maximum number of interfaces per node. this tunable is
struct cYAML **err_rc);
/*
+ * lustre_lnet_calc_service_id
+ * Calculate the lustre service id to be used for qos
+ */
+int lustre_lnet_calc_service_id(__u64 *service_id);
+
+/*
* lustre_lnet_config_discovery
* Enable or disable peer discovery. Peer discovery is enabled by default.
*
struct cYAML **err_rc);
/*
+ * lustre_lnet_config_drop_asym_route
+ * Drop or accept asymmetrical route messages. Accept by default.
+ *
+ * drop - non-0 drops, 0 accepts
+ * seq_no - sequence number of the request
+ * err_rc - [OUT] struct cYAML tree describing the error. Freed by
+ * caller
+ */
+int lustre_lnet_config_drop_asym_route(int drop, int seq_no,
+ struct cYAML **err_rc);
+
+/*
+ * lustre_lnet_show_drop_asym_route
+ * show current drop asym route setting
+ *
+ * seq_no - sequence number of the request
+ * show_rc - [OUT] struct cYAML tree containing NUMA range info
+ * err_rc - [OUT] struct cYAML tree describing the error. Freed by
+ * caller
+ */
+int lustre_lnet_show_drop_asym_route(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc);
+
+/*
* lustre_lnet_config_buffers
* Send down an IOCTL to configure routing buffer sizes. A value of 0 means
* default that particular buffer to default size. A value of -1 means
struct cYAML **err_rc);
/*
- * lustre_lnet_config_peer_nid
- * Add a peer nid to a peer with primary nid pnid. If no pnid is given
- * then the first nid in the nid list becomes the primary nid for
- * a newly created peer.
- * Otherwise if pnid is provided and it's unique then a new peer is
- * created with pnid as the primary NID and the nids in the nid list as
- * secondary nids.
- * If any of the peers nids provided in with exception to the pnid is
- * not unique the operation fails. Some peer nids might have already
- * been added. It's the role of the caller of this API to remove the
- * added NIDs if they wish.
- *
- * pnid - Primary NID of the peer
- * nid - list of nids to add
- * num_nids - number of nids in the nid array
- * mr - true if this peer is MR capable.
- * ip2nets - true if a list of nid expressions are given to configure
- * multiple peers
- * seq_no - sequence number of the command
- * err_rc - YAML strucutre of the resultant return code.
- */
-int lustre_lnet_config_peer_nid(char *pnid, char **nid, int num_nids,
- bool mr, bool ip2nets, int seq_no,
- struct cYAML **err_rc);
-
-/*
- * lustre_lnet_del_peer_nid
- * Delete the nids given in the nid list from the peer with primary NID
- * pnid. If pnid is NULL or it doesn't identify a peer the operation
- * fails and no change happens to the system.
+ * lustre_lnet_modify_peer
+ * Handle a peer config or delete operation.
+ *
+ * Config Operation:
+ * Add a peer NID to a peer with primary NID pnid.
+ * If the provided primary NID is unique, then a new peer is
+ * created with this primary NID, and the NIDs in the NID list are added as
+ * secondary NIDs to this new peer.
+ * If any of the NIDs in the NID list are not unique then the operation
+ * fails. Some peer NIDs might have already been added. It's the responsibility
+ * of the caller of this API to remove the added NIDs if so desired.
+ *
+ * Delete Operation:
+ * Delete the NIDs given in the NID list from the peer with the primary NID
+ * pnid. If pnid is NULL, or it doesn't identify a peer, the operation fails,
+ * and no change happens to the system.
* The operation is aborted on the first NID that fails to be deleted.
*
- * pnid - Primary NID of the peer
- * nid - list of nids to add
- * num_nids - number of nids in the nid array
- * ip2nets - used to specify a range of nids
- * seq_no - sequence number of the command
- * err_rc - YAML strucutre of the resultant return code.
+ * prim_nid - The desired primary NID of a new peer, or the primary NID of
+ * an existing peer.
+ * nids - a comma separated string of nids
+ * is_mr - Specifies whether this peer is MR capable.
+ * cmd - CONFIG or DELETE
+ * seq_no - sequence number of the command
+ * err_rc - YAML structure of the resultant return code
*/
-int lustre_lnet_del_peer_nid(char *pnid, char **nid, int num_nids,
- bool ip2nets, int seq_no, struct cYAML **err_rc);
+int lustre_lnet_modify_peer(char *prim_nid, char *nids, bool is_mr,
+ int cmd, int seq_no, struct cYAML **err_rc);
/*
* lustre_lnet_show_peer
struct lnet_dlc_network_descr *nw_descr);
/*
- * lustre_lnet_parse_nids
- * Parse a set of nids into a locally allocated array and return the
- * pointer of the array to the caller. The caller is responsible for
- * freeing the array. If an initial array is provided then copy over
- * the contents of that array into the new array and append to it the
- * new content.
- * The nids can be of the form "nid [,nid, nid, nid]"
- * nids: nids string to be parsed
- * array: initial array of content
- * size: num of elements in the array
- * out_array: [OUT] new allocated array.
- * Returns size of array
- * sets the out_array to NULL on failure.
- */
-int lustre_lnet_parse_nids(char *nids, char **array, int size,
- char ***out_array);
+ * lustre_lnet_parse_nidstr
+ * This is a small wrapper around cfs_parse_nidlist.
+ * nidstr - A string parseable by cfs_parse_nidlist
+ * lnet_nidlist - An array of lnet_nid_t to hold the nids specified
+ * by the nidstring.
+ * max_nids - Size of the lnet_nidlist array, and the maximum number of
+ * nids that can be expressed by the nidstring. If the
+ * nidstring expands to a larger number of nids than max_nids
+ * then an error is returned.
+ * err_str - char pointer where we store an informative error
+ * message when an error is encountered
+ * Returns:
+ * The number (> 0) of lnet_nid_t stored in the supplied array, or
+ * LUSTRE_CFG_RC_BAD_PARAM if:
+ * - nidstr is NULL
+ * - nidstr contains an asterisk. This character is not allowed
+ * because it would cause the size of the expanded nidlist to exceed
+ * the maximum number of nids that is supported by expected callers
+ * of this function.
+ * - cfs_parse_nidlist fails to parse the nidstring
+ * - The nidlist populated by cfs_parse_nidlist is empty
+ * - The nidstring expands to a larger number of nids than max_nids
+ * - The nidstring expands to zero nids
+ * LUSTRE_CFG_RC_OUT_OF_MEM if:
+ * - cfs_expand_nidlist can return ENOMEM. We return out of mem in
+ * this case.
+ */
+int lustre_lnet_parse_nidstr(char *nidstr, lnet_nid_t *lnet_nidlist,
+ int max_nids, char *err_str);
#endif /* LIB_LNET_CONFIG_API_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff