[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_mode;
	__u8		diag_shutdown;
	struct inet_diag_sockid id;

	__u32		diag_uid;
	__aligned_u64	diag_inode;
};

/* Mode of a connection */
enum {
	SMC_DIAG_MODE_SMCR,
	SMC_DIAG_MODE_FALLBACK_TCP,
	SMC_DIAG_MODE_SMCD,
};

/* Extensions */

enum {
	SMC_DIAG_NONE,
	SMC_DIAG_CONNINFO,
	SMC_DIAG_LGRINFO,
	SMC_DIAG_SHUTDOWN,
	SMC_DIAG_DMBINFO,
	SMC_DIAG_FALLBACK,
	__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 smc_diag_fallback {
	__u32 reason;
	__u32 peer_diagnosis;
};

struct smcd_diag_dmbinfo {		/* SMC-D Socket internals */
	__u32		linkid;		/* Link identifier */
	__aligned_u64	peer_gid;	/* Peer GID */
	__aligned_u64	my_gid;		/* My GID */
	__aligned_u64	token;		/* Token of DMB */
	__aligned_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 {
a21048c8 ES	21	__u8 diag_family;
	22	__u8 diag_state;
	23	__u8 diag_mode;
	24	__u8 diag_shutdown;
f16a7dd5 UB	25	struct inet_diag_sockid id;
f16a7dd5 UB	26
a21048c8 ES	27	__u32 diag_uid;
a21048c8 ES	28	__aligned_u64 diag_inode;
f16a7dd5 UB	29	};
f16a7dd5 UB	30
c601171d KG	31	/* Mode of a connection */
	32	enum {
	33	SMC_DIAG_MODE_SMCR,
	34	SMC_DIAG_MODE_FALLBACK_TCP,
	35	SMC_DIAG_MODE_SMCD,
	36	};
	37
f16a7dd5 UB	38	/* Extensions */
	39
	40	enum {
	41	SMC_DIAG_NONE,
	42	SMC_DIAG_CONNINFO,
	43	SMC_DIAG_LGRINFO,
	44	SMC_DIAG_SHUTDOWN,
4b1b7d3b	45	SMC_DIAG_DMBINFO,
603cc149	46	SMC_DIAG_FALLBACK,
f16a7dd5 UB	47	__SMC_DIAG_MAX,
	48	};
	49
	50	#define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1)
	51
	52	/* SMC_DIAG_CONNINFO */
	53
	54	struct smc_diag_cursor {
	55	__u16 reserved;
	56	__u16 wrap;
	57	__u32 count;
	58	};
	59
	60	struct smc_diag_conninfo {
	61	__u32 token; /* unique connection id */
	62	__u32 sndbuf_size; /* size of send buffer */
	63	__u32 rmbe_size; /* size of RMB element */
	64	__u32 peer_rmbe_size; /* size of peer RMB element */
	65	/* local RMB element cursors */
	66	struct smc_diag_cursor rx_prod; /* received producer cursor */
	67	struct smc_diag_cursor rx_cons; /* received consumer cursor */
	68	/* peer RMB element cursors */
	69	struct smc_diag_cursor tx_prod; /* sent producer cursor */
	70	struct smc_diag_cursor tx_cons; /* sent consumer cursor */
	71	__u8 rx_prod_flags; /* received producer flags */
	72	__u8 rx_conn_state_flags; /* recvd connection flags*/
	73	__u8 tx_prod_flags; /* sent producer flags */
	74	__u8 tx_conn_state_flags; /* sent connection flags*/
	75	/* send buffer cursors */
	76	struct smc_diag_cursor tx_prep; /* prepared to be sent cursor */
	77	struct smc_diag_cursor tx_sent; /* sent cursor */
	78	struct smc_diag_cursor tx_fin; /* confirmed sent cursor */
	79	};
	80
	81	/* SMC_DIAG_LINKINFO */
	82
	83	struct smc_diag_linkinfo {
	84	__u8 link_id; /* link identifier */
	85	__u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */
	86	__u8 ibport; /* RDMA device port number */
	87	__u8 gid[40]; /* local GID */
	88	__u8 peer_gid[40]; /* peer GID */
	89	};
	90
	91	struct smc_diag_lgrinfo {
	92	struct smc_diag_linkinfo lnk[1];
	93	__u8 role;
	94	};
4b1b7d3b	95
603cc149 KG	96	struct smc_diag_fallback {
	97	__u32 reason;
	98	__u32 peer_diagnosis;
	99	};
	100
4b1b7d3b	101	struct smcd_diag_dmbinfo { /* SMC-D Socket internals */
a21048c8 ES	102	__u32 linkid; /* Link identifier */
	103	__aligned_u64 peer_gid; /* Peer GID */
	104	__aligned_u64 my_gid; /* My GID */
	105	__aligned_u64 token; /* Token of DMB */
	106	__aligned_u64 peer_token; /* Token of remote DMBE */
4b1b7d3b HW	107	};
4b1b7d3b HW	108
f16a7dd5	109	#endif /* _UAPI_SMC_DIAG_H_ */