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Diffstat (limited to 'include/scsi/libfc.h')
-rw-r--r--include/scsi/libfc.h82
1 files changed, 41 insertions, 41 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 4b912eee33e5..14be49b44e84 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -42,19 +42,6 @@
#define FC_EX_TIMEOUT 1 /* Exchange timeout */
#define FC_EX_CLOSED 2 /* Exchange closed */
-/* some helpful macros */
-
-#define ntohll(x) be64_to_cpu(x)
-#define htonll(x) cpu_to_be64(x)
-
-#define ntoh24(p) (((p)[0] << 16) | ((p)[1] << 8) | ((p)[2]))
-
-#define hton24(p, v) do { \
- p[0] = (((v) >> 16) & 0xFF); \
- p[1] = (((v) >> 8) & 0xFF); \
- p[2] = ((v) & 0xFF); \
- } while (0)
-
/**
* enum fc_lport_state - Local port states
* @LPORT_ST_DISABLED: Disabled
@@ -92,25 +79,25 @@ enum fc_disc_event {
/**
* enum fc_rport_state - Remote port states
* @RPORT_ST_INIT: Initialized
+ * @RPORT_ST_FLOGI: Waiting for FLOGI completion for point-to-multipoint
+ * @RPORT_ST_PLOGI_WAIT: Waiting for peer to login for point-to-multipoint
* @RPORT_ST_PLOGI: Waiting for PLOGI completion
* @RPORT_ST_PRLI: Waiting for PRLI completion
* @RPORT_ST_RTV: Waiting for RTV completion
* @RPORT_ST_READY: Ready for use
- * @RPORT_ST_LOGO: Remote port logout (LOGO) sent
* @RPORT_ST_ADISC: Discover Address sent
* @RPORT_ST_DELETE: Remote port being deleted
- * @RPORT_ST_RESTART: Remote port being deleted and will restart
*/
enum fc_rport_state {
RPORT_ST_INIT,
+ RPORT_ST_FLOGI,
+ RPORT_ST_PLOGI_WAIT,
RPORT_ST_PLOGI,
RPORT_ST_PRLI,
RPORT_ST_RTV,
RPORT_ST_READY,
- RPORT_ST_LOGO,
RPORT_ST_ADISC,
RPORT_ST_DELETE,
- RPORT_ST_RESTART,
};
/**
@@ -168,6 +155,7 @@ struct fc_rport_libfc_priv {
u16 flags;
#define FC_RP_FLAGS_REC_SUPPORTED (1 << 0)
#define FC_RP_FLAGS_RETRY (1 << 1)
+ #define FC_RP_STARTED (1 << 2)
unsigned int e_d_tov;
unsigned int r_a_tov;
};
@@ -180,16 +168,18 @@ struct fc_rport_libfc_priv {
* @rp_state: Enumeration that tracks progress of PLOGI, PRLI,
* and RTV exchanges
* @ids: The remote port identifiers and roles
- * @flags: REC and RETRY supported flags
+ * @flags: STARTED, REC and RETRY_SUPPORTED flags
* @max_seq: Maximum number of concurrent sequences
* @disc_id: The discovery identifier
* @maxframe_size: The maximum frame size
* @retries: The retry count for the current state
+ * @major_retries: The retry count for the entire PLOGI/PRLI state machine
* @e_d_tov: Error detect timeout value (in msec)
* @r_a_tov: Resource allocation timeout value (in msec)
* @rp_mutex: The mutex that protects the remote port
* @retry_work: Handle for retries
* @event_callback: Callback when READY, FAILED or LOGO states complete
+ * @rcu: Structure used for freeing in an RCU-safe manner
*/
struct fc_rport_priv {
struct fc_lport *local_port;
@@ -202,6 +192,7 @@ struct fc_rport_priv {
u16 disc_id;
u16 maxframe_size;
unsigned int retries;
+ unsigned int major_retries;
unsigned int e_d_tov;
unsigned int r_a_tov;
struct mutex rp_mutex;
@@ -211,6 +202,7 @@ struct fc_rport_priv {
struct list_head peers;
struct work_struct event_work;
u32 supported_classes;
+ struct rcu_head rcu;
};
/**
@@ -257,14 +249,12 @@ struct fcoe_dev_stats {
/**
* struct fc_seq_els_data - ELS data used for passing ELS specific responses
- * @fp: The ELS frame
* @reason: The reason for rejection
* @explan: The explaination of the rejection
*
* Mainly used by the exchange manager layer.
*/
struct fc_seq_els_data {
- struct fc_frame *fp;
enum fc_els_rjt_reason reason;
enum fc_els_rjt_explan explan;
};
@@ -400,6 +390,7 @@ struct fc_seq {
* @esb_stat: ESB exchange status
* @r_a_tov: Resouce allocation time out value (in msecs)
* @seq_id: The next sequence ID to use
+ * @encaps: encapsulation information for lower-level driver
* @f_ctl: F_CTL flags for the sequence
* @fh_type: The frame type
* @class: The class of service
@@ -431,6 +422,7 @@ struct fc_exch {
u32 esb_stat;
u32 r_a_tov;
u8 seq_id;
+ u8 encaps;
u32 f_ctl;
u8 fh_type;
enum fc_class class;
@@ -525,12 +517,11 @@ struct libfc_function_template {
struct fc_frame *);
/*
- * Send an ELS response using infomation from a previous
- * exchange and sequence.
+ * Send an ELS response using infomation from the received frame.
*
* STATUS: OPTIONAL
*/
- void (*seq_els_rsp_send)(struct fc_seq *, enum fc_els_cmd,
+ void (*seq_els_rsp_send)(struct fc_frame *, enum fc_els_cmd,
struct fc_seq_els_data *);
/*
@@ -562,6 +553,13 @@ struct libfc_function_template {
struct fc_seq *(*seq_start_next)(struct fc_seq *);
/*
+ * Assign a sequence for an incoming request frame.
+ *
+ * STATUS: OPTIONAL
+ */
+ struct fc_seq *(*seq_assign)(struct fc_lport *, struct fc_frame *);
+
+ /*
* Reset an exchange manager, completing all sequences and exchanges.
* If s_id is non-zero, reset only exchanges originating from that FID.
* If d_id is non-zero, reset only exchanges sending to that FID.
@@ -582,8 +580,7 @@ struct libfc_function_template {
*
* STATUS: OPTIONAL
*/
- void (*lport_recv)(struct fc_lport *, struct fc_seq *,
- struct fc_frame *);
+ void (*lport_recv)(struct fc_lport *, struct fc_frame *);
/*
* Reset the local port.
@@ -645,8 +642,7 @@ struct libfc_function_template {
*
* STATUS: OPTIONAL
*/
- void (*rport_recv_req)(struct fc_seq *, struct fc_frame *,
- struct fc_lport *);
+ void (*rport_recv_req)(struct fc_lport *, struct fc_frame *);
/*
* lookup an rport by it's port ID.
@@ -692,8 +688,7 @@ struct libfc_function_template {
*
* STATUS: OPTIONAL
*/
- void (*disc_recv_req)(struct fc_seq *, struct fc_frame *,
- struct fc_lport *);
+ void (*disc_recv_req)(struct fc_lport *, struct fc_frame *);
/*
* Start discovery for a local port.
@@ -731,7 +726,7 @@ struct libfc_function_template {
* @buf_len: Length of the discovery buffer
* @disc_id: Discovery ID
* @rports: List of discovered remote ports
- * @lport: The local port that discovery is for
+ * @priv: Private pointer for use by discovery code
* @disc_mutex: Mutex that protects the discovery context
* @partial_buf: Partial name buffer (if names are returned
* in multiple frames)
@@ -747,7 +742,7 @@ struct fc_disc {
u16 disc_id;
struct list_head rports;
- struct fc_lport *lport;
+ void *priv;
struct mutex disc_mutex;
struct fc_gpn_ft_resp partial_buf;
struct delayed_work disc_work;
@@ -775,6 +770,7 @@ struct fc_disc {
* @dev_stats: FCoE device stats (TODO: libfc should not be
* FCoE aware)
* @retry_count: Number of retries in the current state
+ * @port_id: FC Port ID
* @wwpn: World Wide Port Name
* @wwnn: World Wide Node Name
* @service_params: Common service parameters
@@ -790,6 +786,7 @@ struct fc_disc {
* @mfs: The maximum Fibre Channel payload size
* @max_retry_count: The maximum retry attempts
* @max_rport_retry_count: The maximum remote port retry attempts
+ * @rport_priv_size: Size needed by driver after struct fc_rport_priv
* @lro_xid: The maximum XID for LRO
* @lso_max: The maximum large offload send size
* @fcts: FC-4 type mask
@@ -821,6 +818,7 @@ struct fc_lport {
u8 retry_count;
/* Fabric information */
+ u32 port_id;
u64 wwpn;
u64 wwnn;
unsigned int service_params;
@@ -835,9 +833,11 @@ struct fc_lport {
u32 lro_enabled:1;
u32 does_npiv:1;
u32 npiv_enabled:1;
+ u32 point_to_multipoint:1;
u32 mfs;
u8 max_retry_count;
u8 max_rport_retry_count;
+ u16 rport_priv_size;
u16 link_speed;
u16 link_supported_speeds;
u16 lro_xid;
@@ -918,15 +918,6 @@ static inline void fc_lport_free_stats(struct fc_lport *lport)
}
/**
- * fc_lport_get_stats() - Get a local port's statistics
- * @lport: The local port whose statistics are to be retreived
- */
-static inline struct fcoe_dev_stats *fc_lport_get_stats(struct fc_lport *lport)
-{
- return per_cpu_ptr(lport->dev_stats, smp_processor_id());
-}
-
-/**
* lport_priv() - Return the private data from a local port
* @lport: The local port whose private data is to be retreived
*/
@@ -988,6 +979,7 @@ int fc_set_mfs(struct fc_lport *, u32 mfs);
struct fc_lport *libfc_vport_create(struct fc_vport *, int privsize);
struct fc_lport *fc_vport_id_lookup(struct fc_lport *, u32 port_id);
int fc_lport_bsg_request(struct fc_bsg_job *);
+void fc_lport_set_local_id(struct fc_lport *, u32 port_id);
/*
* REMOTE PORT LAYER
@@ -1000,6 +992,11 @@ void fc_rport_terminate_io(struct fc_rport *);
*****************************/
int fc_disc_init(struct fc_lport *);
+static inline struct fc_lport *fc_disc_lport(struct fc_disc *disc)
+{
+ return container_of(disc, struct fc_lport, disc);
+}
+
/*
* FCP LAYER
*****************************/
@@ -1031,6 +1028,10 @@ struct fc_seq *fc_elsct_send(struct fc_lport *, u32 did,
void *arg, u32 timer_msec);
void fc_lport_flogi_resp(struct fc_seq *, struct fc_frame *, void *);
void fc_lport_logo_resp(struct fc_seq *, struct fc_frame *, void *);
+void fc_fill_reply_hdr(struct fc_frame *, const struct fc_frame *,
+ enum fc_rctl, u32 parm_offset);
+void fc_fill_hdr(struct fc_frame *, const struct fc_frame *,
+ enum fc_rctl, u32 f_ctl, u16 seq_cnt, u32 parm_offset);
/*
@@ -1053,7 +1054,6 @@ void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
* Functions for fc_functions_template
*/
void fc_get_host_speed(struct Scsi_Host *);
-void fc_get_host_port_type(struct Scsi_Host *);
void fc_get_host_port_state(struct Scsi_Host *);
void fc_set_rport_loss_tmo(struct fc_rport *, u32 timeout);
struct fc_host_statistics *fc_get_host_stats(struct Scsi_Host *);
generated by cgit v1.2.3 (git 2.0.4) at 2025-09-03 02:55:59 +0000