Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / net / caif / cfctrl.h

diff --git a/kernel/include/net/caif/cfctrl.h b/kernel/include/net/caif/cfctrl.h
new file mode 100644 (file)
index 0000000..f2ae33d
--- /dev/null
+++ b/kernel/include/net/caif/cfctrl.h
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:     Sjur Brendeland
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFCTRL_H_
+#define CFCTRL_H_
+#include <net/caif/caif_layer.h>
+#include <net/caif/cfsrvl.h>
+
+/* CAIF Control packet commands */
+enum cfctrl_cmd {
+       CFCTRL_CMD_LINK_SETUP = 0,
+       CFCTRL_CMD_LINK_DESTROY = 1,
+       CFCTRL_CMD_LINK_ERR = 2,
+       CFCTRL_CMD_ENUM = 3,
+       CFCTRL_CMD_SLEEP = 4,
+       CFCTRL_CMD_WAKE = 5,
+       CFCTRL_CMD_LINK_RECONF = 6,
+       CFCTRL_CMD_START_REASON = 7,
+       CFCTRL_CMD_RADIO_SET = 8,
+       CFCTRL_CMD_MODEM_SET = 9,
+       CFCTRL_CMD_MASK = 0xf
+};
+
+/* Channel types */
+enum cfctrl_srv {
+       CFCTRL_SRV_DECM = 0,
+       CFCTRL_SRV_VEI = 1,
+       CFCTRL_SRV_VIDEO = 2,
+       CFCTRL_SRV_DBG = 3,
+       CFCTRL_SRV_DATAGRAM = 4,
+       CFCTRL_SRV_RFM = 5,
+       CFCTRL_SRV_UTIL = 6,
+       CFCTRL_SRV_MASK = 0xf
+};
+
+#define CFCTRL_RSP_BIT 0x20
+#define CFCTRL_ERR_BIT 0x10
+
+struct cfctrl_rsp {
+       void (*linksetup_rsp)(struct cflayer *layer, u8 linkid,
+                             enum cfctrl_srv serv, u8 phyid,
+                             struct cflayer *adapt_layer);
+       void (*linkdestroy_rsp)(struct cflayer *layer, u8 linkid);
+       void (*linkerror_ind)(void);
+       void (*enum_rsp)(void);
+       void (*sleep_rsp)(void);
+       void (*wake_rsp)(void);
+       void (*restart_rsp)(void);
+       void (*radioset_rsp)(void);
+       void (*reject_rsp)(struct cflayer *layer, u8 linkid,
+                               struct cflayer *client_layer);
+};
+
+/* Link Setup Parameters for CAIF-Links. */
+struct cfctrl_link_param {
+       enum cfctrl_srv linktype;/* (T3,T0) Type of Channel */
+       u8 priority;              /* (P4,P0) Priority of the channel */
+       u8 phyid;                 /* (U2-U0) Physical interface to connect */
+       u8 endpoint;              /* (E1,E0) Endpoint for data channels */
+       u8 chtype;                /* (H1,H0) Channel-Type, applies to
+                                  *            VEI, DEBUG */
+       union {
+               struct {
+                       u8 connid;      /*  (D7,D0) Video LinkId */
+               } video;
+
+               struct {
+                       u32 connid;     /* (N31,Ngit0) Connection ID used
+                                        *  for Datagram */
+               } datagram;
+
+               struct {
+                       u32 connid;     /* Connection ID used for RFM */
+                       char volume[20];        /* Volume to mount for RFM */
+               } rfm;          /* Configuration for RFM */
+
+               struct {
+                       u16 fifosize_kb;        /* Psock FIFO size in KB */
+                       u16 fifosize_bufs;      /* Psock # signal buffers */
+                       char name[16];  /* Name of the PSOCK service */
+                       u8 params[255]; /* Link setup Parameters> */
+                       u16 paramlen;   /* Length of Link Setup
+                                                *   Parameters */
+               } utility;      /* Configuration for Utility Links (Psock) */
+       } u;
+};
+
+/* This structure is used internally in CFCTRL */
+struct cfctrl_request_info {
+       int sequence_no;
+       enum cfctrl_cmd cmd;
+       u8 channel_id;
+       struct cfctrl_link_param param;
+       struct cflayer *client_layer;
+       struct list_head list;
+};
+
+struct cfctrl {
+       struct cfsrvl serv;
+       struct cfctrl_rsp res;
+       atomic_t req_seq_no;
+       atomic_t rsp_seq_no;
+       struct list_head list;
+       /* Protects from simultaneous access to first_req list */
+       spinlock_t info_list_lock;
+#ifndef CAIF_NO_LOOP
+       u8 loop_linkid;
+       int loop_linkused[256];
+       /* Protects simultaneous access to loop_linkid and loop_linkused */
+       spinlock_t loop_linkid_lock;
+#endif
+
+};
+
+void cfctrl_enum_req(struct cflayer *cfctrl, u8 physlinkid);
+int cfctrl_linkup_request(struct cflayer *cfctrl,
+                          struct cfctrl_link_param *param,
+                          struct cflayer *user_layer);
+int  cfctrl_linkdown_req(struct cflayer *cfctrl, u8 linkid,
+                        struct cflayer *client);
+
+struct cflayer *cfctrl_create(void);
+struct cfctrl_rsp *cfctrl_get_respfuncs(struct cflayer *layer);
+int cfctrl_cancel_req(struct cflayer *layr, struct cflayer *adap_layer);
+void cfctrl_remove(struct cflayer *layr);
+
+#endif                         /* CFCTRL_H_ */