svn commit: r340820 - head/sys/dev/sfxge/common
Andrew Rybchenko
arybchik at FreeBSD.org
Fri Nov 23 10:21:11 UTC 2018
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;
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