67 строки
1.4 KiB
C
67 строки
1.4 KiB
C
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/*
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* Copyright (c) 2013 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef BTL_USNIC_UTIL_H
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#define BTL_USNIC_UTIL_H
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#include "btl_usnic.h"
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#include "btl_usnic_module.h"
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/* Linux kernel fls() */
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static __always_inline int fls(int x)
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{
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int r = 32;
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if (!x)
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return 0;
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if (!(x & 0xffff0000u)) {
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x <<= 16;
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r -= 16;
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}
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if (!(x & 0xff000000u)) {
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x <<= 8;
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r -= 8;
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}
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if (!(x & 0xf0000000u)) {
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x <<= 4;
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r -= 4;
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}
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if (!(x & 0xc0000000u)) {
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x <<= 2;
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r -= 2;
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}
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if (!(x & 0x80000000u)) {
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r -= 1;
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}
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return r;
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}
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/*
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* Safely (but abnornmally) exit this process without abort()'ing (and
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* leaving a corefile).
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*/
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void ompi_btl_usnic_exit(void);
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void ompi_btl_usnic_sprintf_mac(char *out, const uint8_t mac[6]);
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void ompi_btl_usnic_sprintf_gid_mac(char *out, union ibv_gid *gid);
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int ompi_btl_usnic_find_ip(ompi_btl_usnic_module_t *module, uint8_t mac[6]);
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void ompi_btl_usnic_gid_to_mac(union ibv_gid *gid, uint8_t mac[6]);
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void ompi_btl_usnic_dump_hex(uint8_t *addr, int len);
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uint32_t ompi_btl_usnic_get_ipv4_subnet(uint32_t addrn, uint32_t cidr_len);
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void ompi_btl_usnic_util_abort(const char *msg, const char *file, int line,
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int ret);
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#endif /* BTL_USNIC_UTIL_H */
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