Author: arybchik Date: Fri Nov 23 10:21:06 2018 New Revision: 340820 URL: https://svnweb.freebsd.org/changeset/base/340820
Log: sfxge(4): check NVRAM locking by partition ID Tracking which partition is locked avoids being overly conservative when EFX_NVRAM_xxx maps to more than one partition (depnding on the current port number). Submitted by: Andy Moreton <amoreton at solarflare.com> Sponsored by: Solarflare Communications, Inc. Differential Revision: https://reviews.freebsd.org/D18090 Modified: head/sys/dev/sfxge/common/efx_impl.h head/sys/dev/sfxge/common/efx_nvram.c Modified: head/sys/dev/sfxge/common/efx_impl.h ============================================================================== --- head/sys/dev/sfxge/common/efx_impl.h Fri Nov 23 10:20:55 2018 (r340819) +++ head/sys/dev/sfxge/common/efx_impl.h Fri Nov 23 10:21:06 2018 (r340820) @@ -457,6 +457,10 @@ typedef struct efx_mcdi_s { #endif /* EFSYS_OPT_MCDI */ #if EFSYS_OPT_NVRAM + +/* Invalid partition ID for en_nvram_partn_locked field of efx_nc_t */ +#define EFX_NVRAM_PARTN_INVALID (0xffffffffu) + typedef struct efx_nvram_ops_s { #if EFSYS_OPT_DIAG efx_rc_t (*envo_test)(efx_nic_t *); @@ -644,7 +648,7 @@ struct efx_nic_s { efx_mcdi_t en_mcdi; #endif /* EFSYS_OPT_MCDI */ #if EFSYS_OPT_NVRAM - efx_nvram_type_t en_nvram_locked; + uint32_t en_nvram_partn_locked; const efx_nvram_ops_t *en_envop; #endif /* EFSYS_OPT_NVRAM */ #if EFSYS_OPT_VPD Modified: head/sys/dev/sfxge/common/efx_nvram.c ============================================================================== --- head/sys/dev/sfxge/common/efx_nvram.c Fri Nov 23 10:20:55 2018 (r340819) +++ head/sys/dev/sfxge/common/efx_nvram.c Fri Nov 23 10:21:06 2018 (r340820) @@ -117,6 +117,8 @@ efx_nvram_init( enp->en_envop = envop; enp->en_mod_flags |= EFX_MOD_NVRAM; + enp->en_nvram_partn_locked = EFX_NVRAM_PARTN_INVALID; + return (0); fail1: @@ -232,15 +234,15 @@ efx_nvram_rw_start( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, EFX_NVRAM_PARTN_INVALID); + if ((rc = envop->envo_partn_rw_start(enp, partn, chunk_sizep)) != 0) goto fail2; - enp->en_nvram_locked = type; + enp->en_nvram_partn_locked = partn; return (0); @@ -270,11 +272,11 @@ efx_nvram_read_chunk( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_read(enp, partn, offset, data, size)) != 0) goto fail2; @@ -305,11 +307,11 @@ efx_nvram_erase( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_size(enp, partn, &size)) != 0) goto fail2; @@ -346,11 +348,11 @@ efx_nvram_write_chunk( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_write(enp, partn, offset, data, size)) != 0) goto fail2; @@ -381,15 +383,15 @@ efx_nvram_rw_finish( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) goto fail1; + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, partn); + if ((rc = envop->envo_partn_rw_finish(enp, partn, &verify_result)) != 0) goto fail2; - enp->en_nvram_locked = EFX_NVRAM_INVALID; + enp->en_nvram_partn_locked = EFX_NVRAM_PARTN_INVALID; if (verify_resultp != NULL) *verify_resultp = verify_result; @@ -398,7 +400,7 @@ efx_nvram_rw_finish( fail2: EFSYS_PROBE(fail2); - enp->en_nvram_locked = EFX_NVRAM_INVALID; + enp->en_nvram_partn_locked = EFX_NVRAM_PARTN_INVALID; fail1: EFSYS_PROBE1(fail1, efx_rc_t, rc); @@ -426,16 +428,16 @@ efx_nvram_set_version( EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES); + if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) + goto fail1; + /* * The Siena implementation of envo_set_version() will attempt to - * acquire the NVRAM_UPDATE lock for the DYNAMIC_CONFIG sector. + * acquire the NVRAM_UPDATE lock for the DYNAMIC_CONFIG partition. * Therefore, you can't have already acquired the NVRAM_UPDATE lock. */ - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID); + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, EFX_NVRAM_PARTN_INVALID); - if ((rc = envop->envo_type_to_partn(enp, type, &partn)) != 0) - goto fail1; - if ((rc = envop->envo_partn_set_version(enp, partn, version)) != 0) goto fail2; @@ -495,7 +497,7 @@ efx_nvram_fini( EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE); EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM); - EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID); + EFSYS_ASSERT3U(enp->en_nvram_partn_locked, ==, EFX_NVRAM_PARTN_INVALID); enp->en_envop = NULL; enp->en_mod_flags &= ~EFX_MOD_NVRAM; _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
