FM / rdma

/usr/src/linux-headers-5.15.0-190/include/rdma/

/usr/src/linux-headers-5.15.0-190/include/rdma

Name	Size	Mode	Actions
ib.h	2138	0644	edit dl rm
iba.h	5642	0644	edit dl rm
ibta_vol1_c12.h	13251	0644	edit dl rm
ib_addr.h	7335	0644	edit dl rm
ib_cache.h	4329	0644	edit dl rm
ib_cm.h	17326	0644	edit dl rm
ib_hdrs.h	6957	0644	edit dl rm
ib_mad.h	25064	0644	edit dl rm
ib_marshall.h	778	0644	edit dl rm
ib_pack.h	7900	0644	edit dl rm
ib_pma.h	4268	0644	edit dl rm
ib_sa.h	19963	0644	edit dl rm
ib_smi.h	4306	0644	edit dl rm
ib_sysfs.h	1257	0644	edit dl rm
ib_umem.h	7070	0644	edit dl rm
ib_umem_odp.h	3467	0644	edit dl rm
ib_verbs.h	141636	0644	edit dl rm
iw_cm.h	7294	0644	edit dl rm
iw_portmap.h	2244	0644	edit dl rm
lag.h	530	0644	edit dl rm
mr_pool.h	568	0644	edit dl rm
opa_addr.h	2452	0644	edit dl rm
opa_port_info.h	13751	0644	edit dl rm
opa_smi.h	3074	0644	edit dl rm
opa_vnic.h	2044	0644	edit dl rm
peer_mem.h	6340	0644	edit dl rm
rdmavt_cq.h	1783	0644	edit dl rm
rdmavt_mr.h	4038	0644	edit dl rm
rdmavt_qp.h	28687	0644	edit dl rm
rdma_cm.h	13121	0644	edit dl rm
rdma_cm_ib.h	797	0644	edit dl rm
rdma_counter.h	1826	0644	edit dl rm
rdma_netlink.h	4062	0644	edit dl rm
rdma_vt.h	14561	0644	edit dl rm
restrack.h	4303	0644	edit dl rm
rw.h	2394	0644	edit dl rm
signature.h	2969	0644	edit dl rm
tid_rdma_defs.h	2100	0644	edit dl rm
uverbs_ioctl.h	32992	0644	edit dl rm
uverbs_named_ioctl.h	4836	0644	edit dl rm
uverbs_std_types.h	5365	0644	edit dl rm
uverbs_types.h	6210	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/rdma/opa_addr.h (2452B)

/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
 * Copyright(c) 2017 Intel Corporation.
 */

#ifndef OPA_ADDR_H
#define OPA_ADDR_H

#include <rdma/opa_smi.h>

#define	OPA_SPECIAL_OUI		(0x00066AULL)
#define OPA_MAKE_ID(x)          (cpu_to_be64(OPA_SPECIAL_OUI << 40 | (x)))
#define OPA_TO_IB_UCAST_LID(x) (((x) >= be16_to_cpu(IB_MULTICAST_LID_BASE)) \
				? 0 : x)
#define OPA_GID_INDEX		0x1
/**
 * 0xF8 - 4 bits of multicast range and 1 bit for collective range
 * Example: For 24 bit LID space,
 * Multicast range: 0xF00000 to 0xF7FFFF
 * Collective range: 0xF80000 to 0xFFFFFE
 */
#define OPA_MCAST_NR 0x4 /* Number of top bits set */
#define OPA_COLLECTIVE_NR 0x1 /* Number of bits after MCAST_NR */

/**
 * ib_is_opa_gid: Returns true if the top 24 bits of the gid
 * contains the OPA_STL_OUI identifier. This identifies that
 * the provided gid is a special purpose GID meant to carry
 * extended LID information.
 *
 * @gid: The Global identifier
 */
static inline bool ib_is_opa_gid(const union ib_gid *gid)
{
	return ((be64_to_cpu(gid->global.interface_id) >> 40) ==
		OPA_SPECIAL_OUI);
}

/**
 * opa_get_lid_from_gid: Returns the last 32 bits of the gid.
 * OPA devices use one of the gids in the gid table to also
 * store the lid.
 *
 * @gid: The Global identifier
 */
static inline u32 opa_get_lid_from_gid(const union ib_gid *gid)
{
	return be64_to_cpu(gid->global.interface_id) & 0xFFFFFFFF;
}

/**
 * opa_is_extended_lid: Returns true if dlid or slid are
 * extended.
 *
 * @dlid: The DLID
 * @slid: The SLID
 */
static inline bool opa_is_extended_lid(__be32 dlid, __be32 slid)
{
	if ((be32_to_cpu(dlid) >=
	     be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
	    (be32_to_cpu(slid) >=
	     be16_to_cpu(IB_MULTICAST_LID_BASE)))
		return true;

return false;
}

/* Get multicast lid base */
static inline u32 opa_get_mcast_base(u32 nr_top_bits)
{
	return (be32_to_cpu(OPA_LID_PERMISSIVE) << (32 - nr_top_bits));
}

/* Check for a valid unicast LID for non-SM traffic types */
static inline bool rdma_is_valid_unicast_lid(struct rdma_ah_attr *attr)
{
	if (attr->type == RDMA_AH_ATTR_TYPE_IB) {
		if (!rdma_ah_get_dlid(attr) ||
		    rdma_ah_get_dlid(attr) >=
		    be16_to_cpu(IB_MULTICAST_LID_BASE))
			return false;
	} else if (attr->type == RDMA_AH_ATTR_TYPE_OPA) {
		if (!rdma_ah_get_dlid(attr) ||
		    rdma_ah_get_dlid(attr) >=
		    opa_get_mcast_base(OPA_MCAST_NR))
			return false;
	}
	return true;
}
#endif /* OPA_ADDR_H */

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