--- /dev/null	2013-08-22 18:57:28.000000000 -0400
+++ new/usr/src/uts/common/io/sfxge/efx_nvram.c	2013-08-22 18:57:28.513826071 -0400
@@ -0,0 +1,372 @@
+/*
+ * Copyright 2009 Solarflare Communications Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "efsys.h"
+#include "efx.h"
+#include "efx_types.h"
+#include "efx_regs.h"
+#include "efx_impl.h"
+
+#if EFSYS_OPT_NVRAM
+
+#if EFSYS_OPT_FALCON
+
+static efx_nvram_ops_t	__cs	__efx_nvram_falcon_ops = {
+#if EFSYS_OPT_DIAG
+	falcon_nvram_test,		/* envo_test */
+#endif	/* EFSYS_OPT_DIAG */
+	falcon_nvram_size,		/* envo_size */
+	falcon_nvram_get_version,	/* envo_get_version */
+	falcon_nvram_rw_start,		/* envo_rw_start */
+	falcon_nvram_read_chunk,	/* envo_read_chunk */
+	falcon_nvram_erase,		/* envo_erase */
+	falcon_nvram_write_chunk,	/* envo_write_chunk */
+	falcon_nvram_rw_finish,		/* envo_rw_finish */
+	falcon_nvram_set_version,	/* envo_set_version */
+};
+
+#endif	/* EFSYS_OPT_FALCON */
+
+#if EFSYS_OPT_SIENA
+
+static efx_nvram_ops_t	__cs	__efx_nvram_siena_ops = {
+#if EFSYS_OPT_DIAG
+	siena_nvram_test,		/* envo_test */
+#endif	/* EFSYS_OPT_DIAG */
+	siena_nvram_size,		/* envo_size */
+	siena_nvram_get_version,	/* envo_get_version */
+	siena_nvram_rw_start,		/* envo_rw_start */
+	siena_nvram_read_chunk,		/* envo_read_chunk */
+	siena_nvram_erase,		/* envo_erase */
+	siena_nvram_write_chunk,	/* envo_write_chunk */
+	siena_nvram_rw_finish,		/* envo_rw_finish */
+	siena_nvram_set_version,	/* envo_set_version */
+};
+
+#endif	/* EFSYS_OPT_SIENA */
+
+	__checkReturn	int
+efx_nvram_init(
+	__in		efx_nic_t *enp)
+{
+	efx_nvram_ops_t *envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+	EFSYS_ASSERT(!(enp->en_mod_flags & EFX_MOD_NVRAM));
+
+	switch (enp->en_family) {
+#if EFSYS_OPT_FALCON
+	case EFX_FAMILY_FALCON:
+		envop = (efx_nvram_ops_t *)&__efx_nvram_falcon_ops;
+		break;
+#endif	/* EFSYS_OPT_FALCON */
+
+#if EFSYS_OPT_SIENA
+	case EFX_FAMILY_SIENA:
+		envop = (efx_nvram_ops_t *)&__efx_nvram_siena_ops;
+		break;
+#endif	/* EFSYS_OPT_SIENA */
+
+	default:
+		EFSYS_ASSERT(0);
+		rc = ENOTSUP;
+		goto fail1;
+	}
+
+	enp->en_envop = envop;
+	enp->en_mod_flags |= EFX_MOD_NVRAM;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+#if EFSYS_OPT_DIAG
+
+	__checkReturn		int
+efx_nvram_test(
+	__in			efx_nic_t *enp)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	if ((rc = envop->envo_test(enp)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+#endif	/* EFSYS_OPT_DIAG */
+
+	__checkReturn		int
+efx_nvram_size(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type,
+	__out			size_t *sizep)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+
+	if ((rc = envop->envo_size(enp, type, sizep)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+	__checkReturn		int
+efx_nvram_get_version(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type,
+	__out			uint32_t *subtypep,
+	__out_ecount(4)		uint16_t version[4])
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+
+	if ((rc = envop->envo_get_version(enp, type, subtypep, version)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+	__checkReturn		int
+efx_nvram_rw_start(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type,
+	__out_opt		size_t *chunk_sizep)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	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_rw_start(enp, type, chunk_sizep)) != 0)
+		goto fail1;
+
+	enp->en_nvram_locked = type;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+	__checkReturn		int
+efx_nvram_read_chunk(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type,
+	__in			unsigned int offset,
+	__out_bcount(size)	caddr_t data,
+	__in			size_t size)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+	EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
+
+	EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
+
+	if ((rc = envop->envo_read_chunk(enp, type, offset, data, size)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+	__checkReturn		int
+efx_nvram_erase(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+	EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
+
+	EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
+
+	if ((rc = envop->envo_erase(enp, type)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+	__checkReturn		int
+efx_nvram_write_chunk(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type,
+	__in			unsigned int offset,
+	__in_bcount(size)	caddr_t data,
+	__in			size_t size)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+	EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
+
+	EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
+
+	if ((rc = envop->envo_write_chunk(enp, type, offset, data, size)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+				void
+efx_nvram_rw_finish(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type)
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+	EFSYS_ASSERT3U(type, !=, EFX_NVRAM_INVALID);
+
+	EFSYS_ASSERT3U(enp->en_nvram_locked, ==, type);
+
+	envop->envo_rw_finish(enp, type);
+
+	enp->en_nvram_locked = EFX_NVRAM_INVALID;
+}
+
+	__checkReturn		int
+efx_nvram_set_version(
+	__in			efx_nic_t *enp,
+	__in			efx_nvram_type_t type,
+	__out			uint16_t version[4])
+{
+	efx_nvram_ops_t *envop = enp->en_envop;
+	int rc;
+
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
+	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_NVRAM);
+
+	EFSYS_ASSERT3U(type, <, EFX_NVRAM_NTYPES);
+
+	/*
+	 * The Siena implementation of envo_set_version() will attempt to
+	 * acquire the NVRAM_UPDATE lock for the DYNAMIC_CONFIG sector.
+	 * Therefore, you can't have already acquired the NVRAM_UPDATE lock.
+	 */
+	EFSYS_ASSERT3U(enp->en_nvram_locked, ==, EFX_NVRAM_INVALID);
+
+	if ((rc = envop->envo_set_version(enp, type, version)) != 0)
+		goto fail1;
+
+	return (0);
+
+fail1:
+	EFSYS_PROBE1(fail1, int, rc);
+
+	return (rc);
+}
+
+void
+efx_nvram_fini(
+	__in		efx_nic_t *enp)
+{
+	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+	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);
+
+	enp->en_envop = NULL;
+	enp->en_mod_flags &= ~EFX_MOD_NVRAM;
+}
+
+#endif	/* EFSYS_OPT_NVRAM */
