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-rw-r--r--include/scsi/libfc.h90
1 files changed, 45 insertions, 45 deletions
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 7495c0ba67ee..f53c8e31d5fb 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -42,24 +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)
-
-
-static inline u32 ntoh24(const u8 *p)
-{
- return (p[0] << 16) | (p[1] << 8) | p[2];
-}
-
-static inline void hton24(u8 *p, u32 v)
-{
- p[0] = (v >> 16) & 0xff;
- p[1] = (v >> 8) & 0xff;
- p[2] = v & 0xff;
-}
-
/**
* enum fc_lport_state - Local port states
* @LPORT_ST_DISABLED: Disabled
@@ -97,25 +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,
};
/**
@@ -173,6 +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;
};
@@ -185,16 +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;
@@ -207,6 +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;
@@ -216,6 +202,7 @@ struct fc_rport_priv {
struct list_head peers;
struct work_struct event_work;
u32 supported_classes;
+ struct rcu_head rcu;
};
/**
@@ -234,8 +221,8 @@ struct fc_rport_priv {
* @InputRequests: Number of input requests
* @OutputRequests: Number of output requests
* @ControlRequests: Number of control requests
- * @InputMegabytes: Number of received megabytes
- * @OutputMegabytes: Number of transmitted megabytes
+ * @InputBytes: Number of received bytes
+ * @OutputBytes: Number of transmitted bytes
* @VLinkFailureCount: Number of virtual link failures
* @MissDiscAdvCount: Number of missing FIP discovery advertisement
*/
@@ -254,22 +241,20 @@ struct fcoe_dev_stats {
u64 InputRequests;
u64 OutputRequests;
u64 ControlRequests;
- u64 InputMegabytes;
- u64 OutputMegabytes;
+ u64 InputBytes;
+ u64 OutputBytes;
u64 VLinkFailureCount;
u64 MissDiscAdvCount;
};
/**
* 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;
};
@@ -278,7 +263,6 @@ struct fc_seq_els_data {
* struct fc_fcp_pkt - FCP request structure (one for each scsi_cmnd request)
* @lp: The associated local port
* @state: The state of the I/O
- * @tgt_flags: Target's flags
* @ref_cnt: Reference count
* @scsi_pkt_lock: Lock to protect the SCSI packet (must be taken before the
* host_lock if both are to be held at the same time)
@@ -313,7 +297,6 @@ struct fc_fcp_pkt {
/* Housekeeping information */
struct fc_lport *lp;
u16 state;
- u16 tgt_flags;
atomic_t ref_cnt;
spinlock_t scsi_pkt_lock;
@@ -405,6 +388,7 @@ 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
@@ -436,6 +420,7 @@ 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;
@@ -530,12 +515,11 @@ 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 *);
/*
@@ -567,6 +551,13 @@ 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.
@@ -587,8 +578,7 @@ 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.
@@ -650,8 +640,7 @@ 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.
@@ -697,8 +686,7 @@ 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.
@@ -731,12 +719,12 @@ struct libfc_function_template {
* struct fc_disc - Discovery context
* @retry_count: Number of retries
* @pending: 1 if discovery is pending, 0 if not
- * @requesting: 1 if discovery has been requested, 0 if not
+ * @requested: 1 if discovery has been requested, 0 if not
* @seq_count: Number of sequences used for discovery
* @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)
@@ -752,7 +740,7 @@ 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;
@@ -796,6 +784,7 @@ 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
@@ -842,9 +831,11 @@ 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;
@@ -986,6 +977,7 @@ 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
@@ -998,6 +990,11 @@ 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
*****************************/
@@ -1007,8 +1004,7 @@ void fc_fcp_destroy(struct fc_lport *);
/*
* SCSI INTERACTION LAYER
*****************************/
-int fc_queuecommand(struct scsi_cmnd *,
- void (*done)(struct scsi_cmnd *));
+int fc_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
int fc_eh_abort(struct scsi_cmnd *);
int fc_eh_device_reset(struct scsi_cmnd *);
int fc_eh_host_reset(struct scsi_cmnd *);
@@ -1029,6 +1025,10 @@ 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);
/*
generated by cgit v1.2.3 (git 2.39.0) at 2025-12-15 21:32:42 +0300