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/*
* Copyright (c) 2017-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef STRACE_LINUX_SMC_DIAG_H
# define STRACE_LINUX_SMC_DIAG_H
# include <linux/inet_diag.h>
# include "gcc_compat.h"
/* Request structure */
struct smc_diag_req {
uint8_t diag_family;
uint8_t pad[2];
uint8_t diag_ext; /* Query extended information */
struct inet_diag_sockid id;
};
struct smc_diag_msg {
uint8_t diag_family;
uint8_t diag_state;
union {
uint8_t diag_fallback;
uint8_t diag_mode;
};
uint8_t diag_shutdown;
struct inet_diag_sockid id;
uint32_t diag_uid;
uint64_t diag_inode;
};
/* Extensions */
enum {
SMC_DIAG_NONE,
SMC_DIAG_CONNINFO,
SMC_DIAG_LGRINFO,
SMC_DIAG_SHUTDOWN,
SMC_DIAG_DMBINFO,
SMC_DIAG_FALLBACK,
};
/* SMC_DIAG_CONNINFO */
struct smc_diag_cursor {
uint16_t reserved;
uint16_t wrap;
uint32_t count;
};
struct smc_diag_conninfo {
uint32_t token;
uint32_t sndbuf_size;
uint32_t rmbe_size;
uint32_t peer_rmbe_size;
struct smc_diag_cursor rx_prod;
struct smc_diag_cursor rx_cons;
struct smc_diag_cursor tx_prod;
struct smc_diag_cursor tx_cons;
uint8_t rx_prod_flags;
uint8_t rx_conn_state_flags;
uint8_t tx_prod_flags;
uint8_t tx_conn_state_flags;
struct smc_diag_cursor tx_prep;
struct smc_diag_cursor tx_sent;
struct smc_diag_cursor tx_fin;
};
/* SMC_DIAG_LINKINFO */
struct smc_diag_linkinfo {
uint8_t link_id;
uint8_t ibname[64]; /* IB_DEVICE_NAME_MAX */
uint8_t ibport;
uint8_t gid[40];
uint8_t peer_gid[40];
};
/* SMC_DIAG_LGRINFO */
struct smc_diag_lgrinfo {
struct smc_diag_linkinfo lnk[1];
uint8_t role;
};
/* SMC_DIAG_DMBINFO */
struct smcd_diag_dmbinfo {
uint32_t linkid;
uint64_t ATTRIBUTE_ALIGNED(8) peer_gid;
uint64_t ATTRIBUTE_ALIGNED(8) my_gid;
uint64_t ATTRIBUTE_ALIGNED(8) token;
uint64_t ATTRIBUTE_ALIGNED(8) peer_token;
};
/* SMC_DIAG_FALLBACK */
struct smc_diag_fallback {
uint32_t reason;
uint32_t peer_diagnosis;
};
#endif /* !STRACE_LINUX_SMC_DIAG_H */
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