[linux-2.6-block.git] / include / uapi / linux / smc_diag.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_SMC_DIAG_H_
#define _UAPI_SMC_DIAG_H_

#include <linux/types.h>
#include <linux/inet_diag.h>
#include <rdma/ib_user_verbs.h>

/* Request structure */
struct smc_diag_req {
	__u8	diag_family;
	__u8	pad[2];
	__u8	diag_ext;		/* Query extended information */
	struct inet_diag_sockid	id;
};

/* Base info structure. It contains socket identity (addrs/ports/cookie) based
 * on the internal clcsock, and more SMC-related socket data
 */
struct smc_diag_msg {
	__u8	diag_family;
	__u8	diag_state;
	__u8	diag_fallback;
	__u8	diag_shutdown;
	struct inet_diag_sockid id;

	__u32	diag_uid;
	__u64	diag_inode;
};

/* Extensions */

enum {
	SMC_DIAG_NONE,
	SMC_DIAG_CONNINFO,
	SMC_DIAG_LGRINFO,
	SMC_DIAG_SHUTDOWN,
	SMC_DIAG_DMBINFO,
	__SMC_DIAG_MAX,
};

#define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1)

/* SMC_DIAG_CONNINFO */

struct smc_diag_cursor {
	__u16	reserved;
	__u16	wrap;
	__u32	count;
};

struct smc_diag_conninfo {
	__u32			token;		/* unique connection id */
	__u32			sndbuf_size;	/* size of send buffer */
	__u32			rmbe_size;	/* size of RMB element */
	__u32			peer_rmbe_size;	/* size of peer RMB element */
	/* local RMB element cursors */
	struct smc_diag_cursor	rx_prod;	/* received producer cursor */
	struct smc_diag_cursor	rx_cons;	/* received consumer cursor */
	/* peer RMB element cursors */
	struct smc_diag_cursor	tx_prod;	/* sent producer cursor */
	struct smc_diag_cursor	tx_cons;	/* sent consumer cursor */
	__u8			rx_prod_flags;	/* received producer flags */
	__u8			rx_conn_state_flags; /* recvd connection flags*/
	__u8			tx_prod_flags;	/* sent producer flags */
	__u8			tx_conn_state_flags; /* sent connection flags*/
	/* send buffer cursors */
	struct smc_diag_cursor	tx_prep;	/* prepared to be sent cursor */
	struct smc_diag_cursor	tx_sent;	/* sent cursor */
	struct smc_diag_cursor	tx_fin;		/* confirmed sent cursor */
};

/* SMC_DIAG_LINKINFO */

struct smc_diag_linkinfo {
	__u8 link_id;			/* link identifier */
	__u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */
	__u8 ibport;			/* RDMA device port number */
	__u8 gid[40];			/* local GID */
	__u8 peer_gid[40];		/* peer GID */
};

struct smc_diag_lgrinfo {
	struct smc_diag_linkinfo	lnk[1];
	__u8				role;
};

struct smcd_diag_dmbinfo {		/* SMC-D Socket internals */
	__u32 linkid;			/* Link identifier */
	__u64 peer_gid;			/* Peer GID */
	__u64 my_gid;			/* My GID */
	__u64 token;			/* Token of DMB */
	__u64 peer_token;		/* Token of remote DMBE */
};

#endif /* _UAPI_SMC_DIAG_H_ */
Commit	Line	Data
6f52b16c	1	/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
f16a7dd5 UB	2	#ifndef _UAPI_SMC_DIAG_H_
	3	#define _UAPI_SMC_DIAG_H_
	4
	5	#include <linux/types.h>
	6	#include <linux/inet_diag.h>
ea6819e1	7	#include <rdma/ib_user_verbs.h>
f16a7dd5 UB	8
	9	/* Request structure */
	10	struct smc_diag_req {
	11	__u8 diag_family;
	12	__u8 pad[2];
	13	__u8 diag_ext; /* Query extended information */
	14	struct inet_diag_sockid id;
	15	};
	16
	17	/* Base info structure. It contains socket identity (addrs/ports/cookie) based
	18	* on the internal clcsock, and more SMC-related socket data
	19	*/
	20	struct smc_diag_msg {
	21	__u8 diag_family;
	22	__u8 diag_state;
	23	__u8 diag_fallback;
	24	__u8 diag_shutdown;
	25	struct inet_diag_sockid id;
	26
	27	__u32 diag_uid;
	28	__u64 diag_inode;
	29	};
	30
	31	/* Extensions */
	32
	33	enum {
	34	SMC_DIAG_NONE,
	35	SMC_DIAG_CONNINFO,
	36	SMC_DIAG_LGRINFO,
	37	SMC_DIAG_SHUTDOWN,
4b1b7d3b	38	SMC_DIAG_DMBINFO,
f16a7dd5 UB	39	__SMC_DIAG_MAX,
	40	};
	41
	42	#define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1)
	43
	44	/* SMC_DIAG_CONNINFO */
	45
	46	struct smc_diag_cursor {
	47	__u16 reserved;
	48	__u16 wrap;
	49	__u32 count;
	50	};
	51
	52	struct smc_diag_conninfo {
	53	__u32 token; /* unique connection id */
	54	__u32 sndbuf_size; /* size of send buffer */
	55	__u32 rmbe_size; /* size of RMB element */
	56	__u32 peer_rmbe_size; /* size of peer RMB element */
	57	/* local RMB element cursors */
	58	struct smc_diag_cursor rx_prod; /* received producer cursor */
	59	struct smc_diag_cursor rx_cons; /* received consumer cursor */
	60	/* peer RMB element cursors */
	61	struct smc_diag_cursor tx_prod; /* sent producer cursor */
	62	struct smc_diag_cursor tx_cons; /* sent consumer cursor */
	63	__u8 rx_prod_flags; /* received producer flags */
	64	__u8 rx_conn_state_flags; /* recvd connection flags*/
	65	__u8 tx_prod_flags; /* sent producer flags */
	66	__u8 tx_conn_state_flags; /* sent connection flags*/
	67	/* send buffer cursors */
	68	struct smc_diag_cursor tx_prep; /* prepared to be sent cursor */
	69	struct smc_diag_cursor tx_sent; /* sent cursor */
	70	struct smc_diag_cursor tx_fin; /* confirmed sent cursor */
	71	};
	72
	73	/* SMC_DIAG_LINKINFO */
	74
	75	struct smc_diag_linkinfo {
	76	__u8 link_id; /* link identifier */
	77	__u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */
	78	__u8 ibport; /* RDMA device port number */
	79	__u8 gid[40]; /* local GID */
	80	__u8 peer_gid[40]; /* peer GID */
	81	};
	82
	83	struct smc_diag_lgrinfo {
	84	struct smc_diag_linkinfo lnk[1];
	85	__u8 role;
	86	};
4b1b7d3b HW	87
	88	struct smcd_diag_dmbinfo { /* SMC-D Socket internals */
	89	__u32 linkid; /* Link identifier */
	90	__u64 peer_gid; /* Peer GID */
	91	__u64 my_gid; /* My GID */
	92	__u64 token; /* Token of DMB */
	93	__u64 peer_token; /* Token of remote DMBE */
	94	};
	95
f16a7dd5	96	#endif /* _UAPI_SMC_DIAG_H_ */