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freebsd-dev/sys/dev/sfxge/common/ef10_tlv_layout.h
Andrew Rybchenko 4d982a2562 sfxge: pick up the new TLV structures 
The header is auto-generated from firmware sources.

Sponsored by:   Solarflare Communications, Inc.
MFC after:      2 days
2015-12-05 08:34:51 +00:00

768 lines
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/*-
* Copyright (c) 2012-2015 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of the FreeBSD Project.
*
* $FreeBSD$
*/
/* These structures define the layouts for the TLV items stored in static and
* dynamic configuration partitions in NVRAM for EF10 (Huntington etc.).
*
* They contain the same sort of information that was kept in the
* siena_mc_static_config_hdr_t and siena_mc_dynamic_config_hdr_t structures
* (defined in <ci/mgmt/mc_flash_layout.h> and <ci/mgmt/mc_dynamic_cfg.h>) for
* Siena.
*
* These are used directly by the MC and should also be usable directly on host
* systems which are little-endian and do not do strange things with structure
* padding. (Big-endian host systems will require some byte-swapping.)
*
* -----
*
* Please refer to SF-108797-SW for a general overview of the TLV partition
* format.
*
* -----
*
* The current tag IDs have a general structure: with the exception of the
* special values defined in the document, they are of the form 0xLTTTNNNN,
* where:
*
* - L is a location, indicating where this tag is expected to be found:
* 0 for static configuration, or 1 for dynamic configuration. Other
* values are reserved.
*
* - TTT is a type, which is just a unique value. The same type value
* might appear in both locations, indicating a relationship between
* the items (e.g. static and dynamic VPD below).
*
* - NNNN is an index of some form. Some item types are per-port, some
* are per-PF, some are per-partition-type.
*
* -----
*
* As with the previous Siena structures, each structure here is laid out
* carefully: values are aligned to their natural boundary, with explicit
* padding fields added where necessary. (No, technically this does not
* absolutely guarantee portability. But, in practice, compilers are generally
* sensible enough not to introduce completely pointless padding, and it works
* well enough.)
*/
#ifndef CI_MGMT_TLV_LAYOUT_H
#define CI_MGMT_TLV_LAYOUT_H
/* ----------------------------------------------------------------------------
* General structure (defined by SF-108797-SW)
* ----------------------------------------------------------------------------
*/
/* The "end" tag.
*
* (Note that this is *not* followed by length or value fields: anything after
* the tag itself is irrelevant.)
*/
#define TLV_TAG_END (0xEEEEEEEE)
/* Other special reserved tag values.
*/
#define TLV_TAG_SKIP (0x00000000)
#define TLV_TAG_INVALID (0xFFFFFFFF)
/* TLV partition header.
*
* In a TLV partition, this must be the first item in the sequence, at offset
* 0.
*/
#define TLV_TAG_PARTITION_HEADER (0xEF10DA7A)
struct tlv_partition_header {
uint32_t tag;
uint32_t length;
uint16_t type_id;
uint16_t reserved;
uint32_t generation;
uint32_t total_length;
};
/* TLV partition trailer.
*
* In a TLV partition, this must be the last item in the sequence, immediately
* preceding the TLV_TAG_END word.
*/
#define TLV_TAG_PARTITION_TRAILER (0xEF101A57)
struct tlv_partition_trailer {
uint32_t tag;
uint32_t length;
uint32_t generation;
uint32_t checksum;
};
/* Appendable TLV partition header.
*
* In an appendable TLV partition, this must be the first item in the sequence,
* at offset 0. (Note that, unlike the configuration partitions, there is no
* trailer before the TLV_TAG_END word.)
*/
#define TLV_TAG_APPENDABLE_PARTITION_HEADER (0xEF10ADA7)
struct tlv_appendable_partition_header {
uint32_t tag;
uint32_t length;
uint16_t type_id;
uint16_t reserved;
};
/* ----------------------------------------------------------------------------
* Configuration items
* ----------------------------------------------------------------------------
*/
/* NIC global capabilities.
*/
#define TLV_TAG_GLOBAL_CAPABILITIES (0x00010000)
struct tlv_global_capabilities {
uint32_t tag;
uint32_t length;
uint32_t flags;
};
/* Siena-style per-port MAC address allocation.
*
* There are <count> addresses, starting at <base_address> and incrementing
* by adding <stride> to the low-order byte(s).
*
* (See also TLV_TAG_GLOBAL_MAC for an alternative, specifying a global pool
* of contiguous MAC addresses for the firmware to allocate as it sees fit.)
*/
#define TLV_TAG_PORT_MAC(port) (0x00020000 + (port))
struct tlv_port_mac {
uint32_t tag;
uint32_t length;
uint8_t base_address[6];
uint16_t reserved;
uint16_t count;
uint16_t stride;
};
/* Static VPD.
*
* This is the portion of VPD which is set at manufacturing time and not
* expected to change. It is formatted as a standard PCI VPD block. There are
* global and per-pf TLVs for this, the global TLV is new for Medford and is
* used in preference to the per-pf TLV.
*/
#define TLV_TAG_PF_STATIC_VPD(pf) (0x00030000 + (pf))
struct tlv_pf_static_vpd {
uint32_t tag;
uint32_t length;
uint8_t bytes[];
};
#define TLV_TAG_GLOBAL_STATIC_VPD (0x001f0000)
struct tlv_global_static_vpd {
uint32_t tag;
uint32_t length;
uint8_t bytes[];
};
/* Dynamic VPD.
*
* This is the portion of VPD which may be changed (e.g. by firmware updates).
* It is formatted as a standard PCI VPD block. There are global and per-pf TLVs
* for this, the global TLV is new for Medford and is used in preference to the
* per-pf TLV.
*/
#define TLV_TAG_PF_DYNAMIC_VPD(pf) (0x10030000 + (pf))
struct tlv_pf_dynamic_vpd {
uint32_t tag;
uint32_t length;
uint8_t bytes[];
};
#define TLV_TAG_GLOBAL_DYNAMIC_VPD (0x10200000)
struct tlv_global_dynamic_vpd {
uint32_t tag;
uint32_t length;
uint8_t bytes[];
};
/* "DBI" PCI config space changes.
*
* This is a set of edits made to the default PCI config space values before
* the device is allowed to enumerate. There are global and per-pf TLVs for
* this, the global TLV is new for Medford and is used in preference to the
* per-pf TLV.
*/
#define TLV_TAG_PF_DBI(pf) (0x00040000 + (pf))
struct tlv_pf_dbi {
uint32_t tag;
uint32_t length;
struct {
uint16_t addr;
uint16_t byte_enables;
uint32_t value;
} items[];
};
#define TLV_TAG_GLOBAL_DBI (0x00210000)
struct tlv_global_dbi {
uint32_t tag;
uint32_t length;
struct {
uint16_t addr;
uint16_t byte_enables;
uint32_t value;
} items[];
};
/* Partition subtype codes.
*
* A subtype may optionally be stored for each type of partition present in
* the NVRAM. For example, this may be used to allow a generic firmware update
* utility to select a specific variant of firmware for a specific variant of
* board.
*
* The description[] field is an optional string which is returned in the
* MC_CMD_NVRAM_METADATA response if present.
*/
#define TLV_TAG_PARTITION_SUBTYPE(type) (0x00050000 + (type))
struct tlv_partition_subtype {
uint32_t tag;
uint32_t length;
uint32_t subtype;
uint8_t description[];
};
/* Partition version codes.
*
* A version may optionally be stored for each type of partition present in
* the NVRAM. This provides a standard way of tracking the currently stored
* version of each of the various component images.
*/
#define TLV_TAG_PARTITION_VERSION(type) (0x10060000 + (type))
struct tlv_partition_version {
uint32_t tag;
uint32_t length;
uint16_t version_w;
uint16_t version_x;
uint16_t version_y;
uint16_t version_z;
};
/* Global PCIe configuration */
#define TLV_TAG_GLOBAL_PCIE_CONFIG (0x10070000)
struct tlv_pcie_config {
uint32_t tag;
uint32_t length;
int16_t max_pf_number; /**< Largest PF RID (lower PFs may be hidden) */
uint16_t pf_aper; /**< BIU aperture for PF BAR2 */
uint16_t vf_aper; /**< BIU aperture for VF BAR0 */
uint16_t int_aper; /**< BIU aperture for PF BAR4 and VF BAR2 */
#define TLV_MAX_PF_DEFAULT (-1) /* Use FW default for largest PF RID */
#define TLV_APER_DEFAULT (0xFFFF) /* Use FW default for a given aperture */
};
/* Per-PF configuration. Note that not all these fields are necessarily useful
* as the apertures are constrained by the BIU settings (the one case we do
* use is to make BAR2 bigger than the BIU thinks to reserve space), but we can
* tidy things up later */
#define TLV_TAG_PF_PCIE_CONFIG(pf) (0x10080000 + (pf))
struct tlv_per_pf_pcie_config {
uint32_t tag;
uint32_t length;
uint8_t vfs_total;
uint8_t port_allocation;
uint16_t vectors_per_pf;
uint16_t vectors_per_vf;
uint8_t pf_bar0_aperture;
uint8_t pf_bar2_aperture;
uint8_t vf_bar0_aperture;
uint8_t vf_base;
uint16_t supp_pagesz;
uint16_t msix_vec_base;
};
/* Development ONLY. This is a single TLV tag for all the gubbins
* that can be set through the MC command-line other than the PCIe
* settings. This is a temporary measure. */
#define TLV_TAG_TMP_GUBBINS (0x10090000) /* legacy symbol - do not use */
#define TLV_TAG_TMP_GUBBINS_HUNT TLV_TAG_TMP_GUBBINS
struct tlv_tmp_gubbins {
uint32_t tag;
uint32_t length;
/* Consumed by dpcpu.c */
uint64_t tx0_tags; /* Bitmap */
uint64_t tx1_tags; /* Bitmap */
uint64_t dl_tags; /* Bitmap */
uint32_t flags;
#define TLV_DPCPU_TX_STRIPE (1) /* No longer used, has no effect */
#define TLV_DPCPU_BIU_TAGS (2) /* Use BIU tag manager */
#define TLV_DPCPU_TX0_TAGS (4) /* tx0_tags is valid */
#define TLV_DPCPU_TX1_TAGS (8) /* tx1_tags is valid */
#define TLV_DPCPU_DL_TAGS (16) /* dl_tags is valid */
/* Consumed by features.c */
uint32_t dut_features; /* All 1s -> leave alone */
int8_t with_rmon; /* 0 -> off, 1 -> on, -1 -> leave alone */
/* Consumed by clocks_hunt.c */
int8_t clk_mode; /* 0 -> off, 1 -> on, -1 -> leave alone */
/* Consumed by sram.c */
int8_t rx_dc_size; /* -1 -> leave alone */
int8_t tx_dc_size;
int16_t num_q_allocs;
};
/* Global port configuration
*
* This is now deprecated in favour of a platform-provided default
* and dynamic config override via tlv_global_port_options.
*/
#define TLV_TAG_GLOBAL_PORT_CONFIG (0x000a0000)
struct tlv_global_port_config {
uint32_t tag;
uint32_t length;
uint32_t ports_per_core;
uint32_t max_port_speed;
};
/* Firmware options.
*
* This is intended for user-configurable selection of optional firmware
* features and variants.
*
* Initially, this consists only of the satellite CPU firmware variant
* selection, but this tag could be extended in the future (using the
* tag length to determine whether additional fields are present).
*/
#define TLV_TAG_FIRMWARE_OPTIONS (0x100b0000)
struct tlv_firmware_options {
uint32_t tag;
uint32_t length;
uint32_t firmware_variant;
#define TLV_FIRMWARE_VARIANT_DRIVER_SELECTED (0xffffffff)
/* These are the values for overriding the driver's choice; the definitions
* are taken from MCDI so that they don't get out of step. Include
* <ci/mgmt/mc_driver_pcol.h> or the equivalent from your driver's tree if
* you need to use these constants.
*/
#define TLV_FIRMWARE_VARIANT_FULL_FEATURED MC_CMD_FW_FULL_FEATURED
#define TLV_FIRMWARE_VARIANT_LOW_LATENCY MC_CMD_FW_LOW_LATENCY
#define TLV_FIRMWARE_VARIANT_PACKED_STREAM MC_CMD_FW_PACKED_STREAM
#define TLV_FIRMWARE_VARIANT_HIGH_TX_RATE MC_CMD_FW_HIGH_TX_RATE
#define TLV_FIRMWARE_VARIANT_PACKED_STREAM_HASH_MODE_1 \
MC_CMD_FW_PACKED_STREAM_HASH_MODE_1
};
/* Voltage settings
*
* Intended for boards with A0 silicon where the core voltage may
* need tweaking. Most likely set once when the pass voltage is
* determined. */
#define TLV_TAG_0V9_SETTINGS (0x000c0000)
struct tlv_0v9_settings {
uint32_t tag;
uint32_t length;
uint16_t flags; /* Boards with high 0v9 settings may need active cooling */
#define TLV_TAG_0V9_REQUIRES_FAN (1)
uint16_t target_voltage; /* In millivolts */
/* Since the limits are meant to be centred to the target (and must at least
* contain it) they need setting as well. */
uint16_t warn_low; /* In millivolts */
uint16_t warn_high; /* In millivolts */
uint16_t panic_low; /* In millivolts */
uint16_t panic_high; /* In millivolts */
};
/* Clock configuration */
#define TLV_TAG_CLOCK_CONFIG (0x000d0000) /* legacy symbol - do not use */
#define TLV_TAG_CLOCK_CONFIG_HUNT TLV_TAG_CLOCK_CONFIG
struct tlv_clock_config {
uint32_t tag;
uint32_t length;
uint16_t clk_sys; /* MHz */
uint16_t clk_dpcpu; /* MHz */
uint16_t clk_icore; /* MHz */
uint16_t clk_pcs; /* MHz */
};
#define TLV_TAG_CLOCK_CONFIG_MEDFORD (0x00100000)
struct tlv_clock_config_medford {
uint32_t tag;
uint32_t length;
uint16_t clk_sys; /* MHz */
uint16_t clk_mc; /* MHz */
uint16_t clk_rmon; /* MHz */
uint16_t clk_vswitch; /* MHz */
uint16_t clk_dpcpu; /* MHz */
uint16_t clk_pcs; /* MHz */
};
/* EF10-style global pool of MAC addresses.
*
* There are <count> addresses, starting at <base_address>, which are
* contiguous. Firmware is responsible for allocating addresses from this
* pool to ports / PFs as appropriate.
*/
#define TLV_TAG_GLOBAL_MAC (0x000e0000)
struct tlv_global_mac {
uint32_t tag;
uint32_t length;
uint8_t base_address[6];
uint16_t reserved1;
uint16_t count;
uint16_t reserved2;
};
#define TLV_TAG_ATB_0V9_TARGET (0x000f0000) /* legacy symbol - do not use */
#define TLV_TAG_ATB_0V9_TARGET_HUNT TLV_TAG_ATB_0V9_TARGET
/* The target value for the 0v9 power rail measured on-chip at the
* analogue test bus */
struct tlv_0v9_atb_target {
uint32_t tag;
uint32_t length;
uint16_t millivolts;
uint16_t reserved;
};
/* Global PCIe configuration, second revision. This represents the visible PFs
* by a bitmap rather than having the number of the highest visible one. As such
* it can (for a 16-PF chip) represent a superset of what TLV_TAG_GLOBAL_PCIE_CONFIG
* can and it should be used in place of that tag in future (but compatibility with
* the old tag will be left in the firmware indefinitely). */
#define TLV_TAG_GLOBAL_PCIE_CONFIG_R2 (0x10100000)
struct tlv_pcie_config_r2 {
uint32_t tag;
uint32_t length;
uint16_t visible_pfs; /**< Bitmap of visible PFs */
uint16_t pf_aper; /**< BIU aperture for PF BAR2 */
uint16_t vf_aper; /**< BIU aperture for VF BAR0 */
uint16_t int_aper; /**< BIU aperture for PF BAR4 and VF BAR2 */
};
/* Dynamic port mode.
*
* Allows selecting alternate port configuration for platforms that support it
* (e.g. 1x40G vs 2x10G on Milano, 1x40G vs 4x10G on Medford). This affects the
* number of externally visible ports (and, hence, PF to port mapping), so must
* be done at boot time.
*
* This tag supercedes tlv_global_port_config.
*/
#define TLV_TAG_GLOBAL_PORT_MODE (0x10110000)
struct tlv_global_port_mode {
uint32_t tag;
uint32_t length;
uint32_t port_mode;
#define TLV_PORT_MODE_DEFAULT (0xffffffff) /* Default for given platform */
#define TLV_PORT_MODE_10G (0) /* 10G, single SFP/10G-KR */
#define TLV_PORT_MODE_40G (1) /* 40G, single QSFP/40G-KR */
#define TLV_PORT_MODE_10G_10G (2) /* 2x10G, dual SFP/10G-KR or single QSFP */
#define TLV_PORT_MODE_40G_40G (3) /* 40G + 40G, dual QSFP/40G-KR (Greenport, Medford) */
#define TLV_PORT_MODE_10G_10G_10G_10G (4) /* 2x10G + 2x10G, quad SFP/10G-KR or dual QSFP (Greenport, Medford) */
#define TLV_PORT_MODE_10G_10G_10G_10G_Q (5) /* 4x10G, single QSFP, cage 0 (Medford) */
#define TLV_PORT_MODE_40G_10G_10G (6) /* 1x40G + 2x10G, dual QSFP (Greenport, Medford) */
#define TLV_PORT_MODE_10G_10G_40G (7) /* 2x10G + 1x40G, dual QSFP (Greenport, Medford) */
#define TLV_PORT_MODE_10G_10G_10G_10G_Q2 (8) /* 4x10G, single QSFP, cage 1 (Medford) */
#define TLV_PORT_MODE_MAX TLV_PORT_MODE_10G_10G_10G_10G_Q2
};
/* Type of the v-switch created implicitly by the firmware */
#define TLV_TAG_VSWITCH_TYPE(port) (0x10120000 + (port))
struct tlv_vswitch_type {
uint32_t tag;
uint32_t length;
uint32_t vswitch_type;
#define TLV_VSWITCH_TYPE_DEFAULT (0xffffffff) /* Firmware default; equivalent to no TLV present for a given port */
#define TLV_VSWITCH_TYPE_NONE (0)
#define TLV_VSWITCH_TYPE_VLAN (1)
#define TLV_VSWITCH_TYPE_VEB (2)
#define TLV_VSWITCH_TYPE_VEPA (3)
#define TLV_VSWITCH_TYPE_MUX (4)
#define TLV_VSWITCH_TYPE_TEST (5)
};
/* A VLAN tag for the v-port created implicitly by the firmware */
#define TLV_TAG_VPORT_VLAN_TAG(pf) (0x10130000 + (pf))
struct tlv_vport_vlan_tag {
uint32_t tag;
uint32_t length;
uint32_t vlan_tag;
#define TLV_VPORT_NO_VLAN_TAG (0xFFFFFFFF) /* Default in the absence of TLV for a given PF */
};
/* Offset to be applied to the 0v9 setting, wherever it came from */
#define TLV_TAG_ATB_0V9_OFFSET (0x10140000)
struct tlv_0v9_atb_offset {
uint32_t tag;
uint32_t length;
int16_t offset_millivolts;
uint16_t reserved;
};
/* A privilege mask given on reset to all non-admin PCIe functions (that is other than first-PF-per-port).
* The meaning of particular bits is defined in mcdi_ef10.yml under MC_CMD_PRIVILEGE_MASK, see also bug 44583.
* TLV_TAG_PRIVILEGE_MASK_ADD specifies bits that should be added (ORed) to firmware default while
* TLV_TAG_PRIVILEGE_MASK_REM specifies bits that should be removed (ANDed) from firmware default:
* Initial_privilege_mask = (firmware_default_mask | privilege_mask_add) & ~privilege_mask_rem */
#define TLV_TAG_PRIVILEGE_MASK (0x10150000) /* legacy symbol - do not use */
struct tlv_privilege_mask { /* legacy structure - do not use */
uint32_t tag;
uint32_t length;
uint32_t privilege_mask;
};
#define TLV_TAG_PRIVILEGE_MASK_ADD (0x10150000)
struct tlv_privilege_mask_add {
uint32_t tag;
uint32_t length;
uint32_t privilege_mask_add;
};
#define TLV_TAG_PRIVILEGE_MASK_REM (0x10160000)
struct tlv_privilege_mask_rem {
uint32_t tag;
uint32_t length;
uint32_t privilege_mask_rem;
};
/* Additional privileges given to all PFs.
* This tag takes precedence over TLV_TAG_PRIVILEGE_MASK_REM. */
#define TLV_TAG_PRIVILEGE_MASK_ADD_ALL_PFS (0x10190000)
struct tlv_privilege_mask_add_all_pfs {
uint32_t tag;
uint32_t length;
uint32_t privilege_mask_add;
};
/* Additional privileges given to a selected PF.
* This tag takes precedence over TLV_TAG_PRIVILEGE_MASK_REM. */
#define TLV_TAG_PRIVILEGE_MASK_ADD_SINGLE_PF(pf) (0x101A0000 + (pf))
struct tlv_privilege_mask_add_single_pf {
uint32_t tag;
uint32_t length;
uint32_t privilege_mask_add;
};
/* Turning on/off the PFIOV mode.
* This tag only takes effect if TLV_TAG_VSWITCH_TYPE is missing or set to DEFAULT. */
#define TLV_TAG_PFIOV(port) (0x10170000 + (port))
struct tlv_pfiov {
uint32_t tag;
uint32_t length;
uint32_t pfiov;
#define TLV_PFIOV_OFF (0) /* Default */
#define TLV_PFIOV_ON (1)
};
/* Multicast filter chaining mode selection.
*
* When enabled, multicast packets are delivered to all recipients of all
* matching multicast filters, with the exception that IP multicast filters
* will steal traffic from MAC multicast filters on a per-function basis.
* (New behaviour.)
*
* When disabled, multicast packets will always be delivered only to the
* recipients of the highest priority matching multicast filter.
* (Legacy behaviour.)
*
* The DEFAULT mode (which is the same as the tag not being present at all)
* is equivalent to ENABLED in production builds, and DISABLED in eftest
* builds.
*
* This option is intended to provide run-time control over this feature
* while it is being stabilised and may be withdrawn at some point in the
* future; the new behaviour is intended to become the standard behaviour.
*/
#define TLV_TAG_MCAST_FILTER_CHAINING (0x10180000)
struct tlv_mcast_filter_chaining {
uint32_t tag;
uint32_t length;
uint32_t mode;
#define TLV_MCAST_FILTER_CHAINING_DEFAULT (0xffffffff)
#define TLV_MCAST_FILTER_CHAINING_DISABLED (0)
#define TLV_MCAST_FILTER_CHAINING_ENABLED (1)
};
/* Pacer rate limit per PF */
#define TLV_TAG_RATE_LIMIT(pf) (0x101b0000 + (pf))
struct tlv_rate_limit {
uint32_t tag;
uint32_t length;
uint32_t rate_mbps;
};
/* OCSD Enable/Disable
*
* This setting allows OCSD to be disabled. This is a requirement for HP
* servers to support PCI passthrough for virtualization.
*
* The DEFAULT mode (which is the same as the tag not being present) is
* equivalent to ENABLED.
*
* This option is not used by the MCFW, and is entirely handled by the various
* drivers that support OCSD, by reading the setting before they attempt
* to enable OCSD.
*
* bit0: OCSD Disabled/Enabled
*/
#define TLV_TAG_OCSD (0x101C0000)
struct tlv_ocsd {
uint32_t tag;
uint32_t length;
uint32_t mode;
#define TLV_OCSD_DISABLED 0
#define TLV_OCSD_ENABLED 1 /* Default */
};
/* Descriptor cache config.
*
* Sets the sizes of the TX and RX descriptor caches as a power of 2. It also
* sets the total number of VIs. When the number of VIs is reduced VIs are taken
* away from the highest numbered port first, so a vi_count of 1024 means 1024
* VIs on the first port and 0 on the second (on a Torino).
*/
#define TLV_TAG_DESCRIPTOR_CACHE_CONFIG (0x101d0000)
struct tlv_descriptor_cache_config {
uint32_t tag;
uint32_t length;
uint8_t rx_desc_cache_size;
uint8_t tx_desc_cache_size;
uint16_t vi_count;
};
#define TLV_DESC_CACHE_DEFAULT (0xff)
#define TLV_VI_COUNT_DEFAULT (0xffff)
/* RX event merging config (read batching).
*
* Sets the global maximum number of events for the merging bins, and the
* global timeout configuration for the bins.
*/
#define TLV_TAG_RX_EVENT_MERGING_CONFIG (0x101e0000)
struct tlv_rx_event_merging_config {
uint32_t tag;
uint32_t length;
uint32_t max_events;
#define TLV_RX_EVENT_MERGING_CONFIG_MAX_EVENTS_MAX ((1 << 4) - 1)
uint32_t timeout_ns;
};
#define TLV_RX_EVENT_MERGING_MAX_EVENTS_DEFAULT 7
#define TLV_RX_EVENT_MERGING_TIMEOUT_NS_DEFAULT 8740
#endif /* CI_MGMT_TLV_LAYOUT_H */
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