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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /include/net/caif/cfctrl.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/net/caif/cfctrl.h')
-rw-r--r-- | include/net/caif/cfctrl.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h new file mode 100644 index 000000000..86d17315c --- /dev/null +++ b/include/net/caif/cfctrl.h @@ -0,0 +1,130 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) ST-Ericsson AB 2010 + * Author: Sjur Brendeland + */ + +#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_ */ |