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author | 2023-02-21 18:24:12 -0800 | |
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committer | 2023-02-21 18:24:12 -0800 | |
commit | 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch) | |
tree | cc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/acpi/acpica/utmisc.c | |
download | linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip |
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski:
"Core:
- Add dedicated kmem_cache for typical/small skb->head, avoid having
to access struct page at kfree time, and improve memory use.
- Introduce sysctl to set default RPS configuration for new netdevs.
- Define Netlink protocol specification format which can be used to
describe messages used by each family and auto-generate parsers.
Add tools for generating kernel data structures and uAPI headers.
- Expose all net/core sysctls inside netns.
- Remove 4s sleep in netpoll if carrier is instantly detected on
boot.
- Add configurable limit of MDB entries per port, and port-vlan.
- Continue populating drop reasons throughout the stack.
- Retire a handful of legacy Qdiscs and classifiers.
Protocols:
- Support IPv4 big TCP (TSO frames larger than 64kB).
- Add IP_LOCAL_PORT_RANGE socket option, to control local port range
on socket by socket basis.
- Track and report in procfs number of MPTCP sockets used.
- Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
manager.
- IPv6: don't check net.ipv6.route.max_size and rely on garbage
collection to free memory (similarly to IPv4).
- Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).
- ICMP: add per-rate limit counters.
- Add support for user scanning requests in ieee802154.
- Remove static WEP support.
- Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
reporting.
- WiFi 7 EHT channel puncturing support (client & AP).
BPF:
- Add a rbtree data structure following the "next-gen data structure"
precedent set by recently added linked list, that is, by using
kfunc + kptr instead of adding a new BPF map type.
- Expose XDP hints via kfuncs with initial support for RX hash and
timestamp metadata.
- Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
better support decap on GRE tunnel devices not operating in collect
metadata.
- Improve x86 JIT's codegen for PROBE_MEM runtime error checks.
- Remove the need for trace_printk_lock for bpf_trace_printk and
bpf_trace_vprintk helpers.
- Extend libbpf's bpf_tracing.h support for tracing arguments of
kprobes/uprobes and syscall as a special case.
- Significantly reduce the search time for module symbols by
livepatch and BPF.
- Enable cpumasks to be used as kptrs, which is useful for tracing
programs tracking which tasks end up running on which CPUs in
different time intervals.
- Add support for BPF trampoline on s390x and riscv64.
- Add capability to export the XDP features supported by the NIC.
- Add __bpf_kfunc tag for marking kernel functions as kfuncs.
- Add cgroup.memory=nobpf kernel parameter option to disable BPF
memory accounting for container environments.
Netfilter:
- Remove the CLUSTERIP target. It has been marked as obsolete for
years, and we still have WARN splats wrt races of the out-of-band
/proc interface installed by this target.
- Add 'destroy' commands to nf_tables. They are identical to the
existing 'delete' commands, but do not return an error if the
referenced object (set, chain, rule...) did not exist.
Driver API:
- Improve cpumask_local_spread() locality to help NICs set the right
IRQ affinity on AMD platforms.
- Separate C22 and C45 MDIO bus transactions more clearly.
- Introduce new DCB table to control DSCP rewrite on egress.
- Support configuration of Physical Layer Collision Avoidance (PLCA)
Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
shared medium Ethernet.
- Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
preemption of low priority frames by high priority frames.
- Add support for controlling MACSec offload using netlink SET.
- Rework devlink instance refcounts to allow registration and
de-registration under the instance lock. Split the code into
multiple files, drop some of the unnecessarily granular locks and
factor out common parts of netlink operation handling.
- Add TX frame aggregation parameters (for USB drivers).
- Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
messages with notifications for debug.
- Allow offloading of UDP NEW connections via act_ct.
- Add support for per action HW stats in TC.
- Support hardware miss to TC action (continue processing in SW from
a specific point in the action chain).
- Warn if old Wireless Extension user space interface is used with
modern cfg80211/mac80211 drivers. Do not support Wireless
Extensions for Wi-Fi 7 devices at all. Everyone should switch to
using nl80211 interface instead.
- Improve the CAN bit timing configuration. Use extack to return
error messages directly to user space, update the SJW handling,
including the definition of a new default value that will benefit
CAN-FD controllers, by increasing their oscillator tolerance.
New hardware / drivers:
- Ethernet:
- nVidia BlueField-3 support (control traffic driver)
- Ethernet support for imx93 SoCs
- Motorcomm yt8531 gigabit Ethernet PHY
- onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
- Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
- Amlogic gxl MDIO mux
- WiFi:
- RealTek RTL8188EU (rtl8xxxu)
- Qualcomm Wi-Fi 7 devices (ath12k)
- CAN:
- Renesas R-Car V4H
Drivers:
- Bluetooth:
- Set Per Platform Antenna Gain (PPAG) for Intel controllers.
- Ethernet NICs:
- Intel (1G, igc):
- support TSN / Qbv / packet scheduling features of i226 model
- Intel (100G, ice):
- use GNSS subsystem instead of TTY
- multi-buffer XDP support
- extend support for GPIO pins to E823 devices
- nVidia/Mellanox:
- update the shared buffer configuration on PFC commands
- implement PTP adjphase function for HW offset control
- TC support for Geneve and GRE with VF tunnel offload
- more efficient crypto key management method
- multi-port eswitch support
- Netronome/Corigine:
- add DCB IEEE support
- support IPsec offloading for NFP3800
- Freescale/NXP (enetc):
- support XDP_REDIRECT for XDP non-linear buffers
- improve reconfig, avoid link flap and waiting for idle
- support MAC Merge layer
- Other NICs:
- sfc/ef100: add basic devlink support for ef100
- ionic: rx_push mode operation (writing descriptors via MMIO)
- bnxt: use the auxiliary bus abstraction for RDMA
- r8169: disable ASPM and reset bus in case of tx timeout
- cpsw: support QSGMII mode for J721e CPSW9G
- cpts: support pulse-per-second output
- ngbe: add an mdio bus driver
- usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
- r8152: handle devices with FW with NCM support
- amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
- virtio-net: support multi buffer XDP
- virtio/vsock: replace virtio_vsock_pkt with sk_buff
- tsnep: XDP support
- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add support for latency TLV (in FW control messages)
- Microchip (sparx5):
- separate explicit and implicit traffic forwarding rules, make
the implicit rules always active
- add support for egress DSCP rewrite
- IS0 VCAP support (Ingress Classification)
- IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
etc.)
- ES2 VCAP support (Egress Access Control)
- support for Per-Stream Filtering and Policing (802.1Q,
8.6.5.1)
- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- add MAB (port auth) offload support
- enable PTP receive for mv88e6390
- NXP (ocelot):
- support MAC Merge layer
- support for the the vsc7512 internal copper phys
- Microchip:
- lan9303: convert to PHYLINK
- lan966x: support TC flower filter statistics
- lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
- lan937x: support Credit Based Shaper configuration
- ksz9477: support Energy Efficient Ethernet
- other:
- qca8k: convert to regmap read/write API, use bulk operations
- rswitch: Improve TX timestamp accuracy
- Intel WiFi (iwlwifi):
- EHT (Wi-Fi 7) rate reporting
- STEP equalizer support: transfer some STEP (connection to radio
on platforms with integrated wifi) related parameters from the
BIOS to the firmware.
- Qualcomm 802.11ax WiFi (ath11k):
- IPQ5018 support
- Fine Timing Measurement (FTM) responder role support
- channel 177 support
- MediaTek WiFi (mt76):
- per-PHY LED support
- mt7996: EHT (Wi-Fi 7) support
- Wireless Ethernet Dispatch (WED) reset support
- switch to using page pool allocator
- RealTek WiFi (rtw89):
- support new version of Bluetooth co-existance
- Mobile:
- rmnet: support TX aggregation"
* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
page_pool: add a comment explaining the fragment counter usage
net: ethtool: fix __ethtool_dev_mm_supported() implementation
ethtool: pse-pd: Fix double word in comments
xsk: add linux/vmalloc.h to xsk.c
sefltests: netdevsim: wait for devlink instance after netns removal
selftest: fib_tests: Always cleanup before exit
net/mlx5e: Align IPsec ASO result memory to be as required by hardware
net/mlx5e: TC, Set CT miss to the specific ct action instance
net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
net/mlx5: Refactor tc miss handling to a single function
net/mlx5: Kconfig: Make tc offload depend on tc skb extension
net/sched: flower: Support hardware miss to tc action
net/sched: flower: Move filter handle initialization earlier
net/sched: cls_api: Support hardware miss to tc action
net/sched: Rename user cookie and act cookie
sfc: fix builds without CONFIG_RTC_LIB
sfc: clean up some inconsistent indentings
net/mlx4_en: Introduce flexible array to silence overflow warning
net: lan966x: Fix possible deadlock inside PTP
net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
...
Diffstat (limited to '')
-rw-r--r-- | drivers/acpi/acpica/utmisc.c | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c new file mode 100644 index 000000000..8638efacd --- /dev/null +++ b/drivers/acpi/acpica/utmisc.c @@ -0,0 +1,382 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 +/******************************************************************************* + * + * Module Name: utmisc - common utility procedures + * + ******************************************************************************/ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utmisc") + +/******************************************************************************* + * + * FUNCTION: acpi_ut_is_pci_root_bridge + * + * PARAMETERS: id - The HID/CID in string format + * + * RETURN: TRUE if the Id is a match for a PCI/PCI-Express Root Bridge + * + * DESCRIPTION: Determine if the input ID is a PCI Root Bridge ID. + * + ******************************************************************************/ +u8 acpi_ut_is_pci_root_bridge(char *id) +{ + + /* + * Check if this is a PCI root bridge. + * ACPI 3.0+: check for a PCI Express root also. + */ + if (!(strcmp(id, + PCI_ROOT_HID_STRING)) || + !(strcmp(id, PCI_EXPRESS_ROOT_HID_STRING))) { + return (TRUE); + } + + return (FALSE); +} + +#if (defined ACPI_ASL_COMPILER || defined ACPI_EXEC_APP || defined ACPI_NAMES_APP) +/******************************************************************************* + * + * FUNCTION: acpi_ut_is_aml_table + * + * PARAMETERS: table - An ACPI table + * + * RETURN: TRUE if table contains executable AML; FALSE otherwise + * + * DESCRIPTION: Check ACPI Signature for a table that contains AML code. + * Currently, these are DSDT,SSDT,PSDT. All other table types are + * data tables that do not contain AML code. + * + ******************************************************************************/ + +u8 acpi_ut_is_aml_table(struct acpi_table_header *table) +{ + + /* These are the only tables that contain executable AML */ + + if (ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_DSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_PSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_SSDT) || + ACPI_COMPARE_NAMESEG(table->signature, ACPI_SIG_OSDT) || + ACPI_IS_OEM_SIG(table->signature)) { + return (TRUE); + } + + return (FALSE); +} +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_ut_dword_byte_swap + * + * PARAMETERS: value - Value to be converted + * + * RETURN: u32 integer with bytes swapped + * + * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes) + * + ******************************************************************************/ + +u32 acpi_ut_dword_byte_swap(u32 value) +{ + union { + u32 value; + u8 bytes[4]; + } out; + union { + u32 value; + u8 bytes[4]; + } in; + + ACPI_FUNCTION_ENTRY(); + + in.value = value; + + out.bytes[0] = in.bytes[3]; + out.bytes[1] = in.bytes[2]; + out.bytes[2] = in.bytes[1]; + out.bytes[3] = in.bytes[0]; + + return (out.value); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_set_integer_width + * + * PARAMETERS: Revision From DSDT header + * + * RETURN: None + * + * DESCRIPTION: Set the global integer bit width based upon the revision + * of the DSDT. For Revision 1 and 0, Integers are 32 bits. + * For Revision 2 and above, Integers are 64 bits. Yes, this + * makes a difference. + * + ******************************************************************************/ + +void acpi_ut_set_integer_width(u8 revision) +{ + + if (revision < 2) { + + /* 32-bit case */ + + acpi_gbl_integer_bit_width = 32; + acpi_gbl_integer_nybble_width = 8; + acpi_gbl_integer_byte_width = 4; + } else { + /* 64-bit case (ACPI 2.0+) */ + + acpi_gbl_integer_bit_width = 64; + acpi_gbl_integer_nybble_width = 16; + acpi_gbl_integer_byte_width = 8; + } +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_create_update_state_and_push + * + * PARAMETERS: object - Object to be added to the new state + * action - Increment/Decrement + * state_list - List the state will be added to + * + * RETURN: Status + * + * DESCRIPTION: Create a new state and push it + * + ******************************************************************************/ + +acpi_status +acpi_ut_create_update_state_and_push(union acpi_operand_object *object, + u16 action, + union acpi_generic_state **state_list) +{ + union acpi_generic_state *state; + + ACPI_FUNCTION_ENTRY(); + + /* Ignore null objects; these are expected */ + + if (!object) { + return (AE_OK); + } + + state = acpi_ut_create_update_state(object, action); + if (!state) { + return (AE_NO_MEMORY); + } + + acpi_ut_push_generic_state(state_list, state); + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_walk_package_tree + * + * PARAMETERS: source_object - The package to walk + * target_object - Target object (if package is being copied) + * walk_callback - Called once for each package element + * context - Passed to the callback function + * + * RETURN: Status + * + * DESCRIPTION: Walk through a package, including subpackages + * + ******************************************************************************/ + +acpi_status +acpi_ut_walk_package_tree(union acpi_operand_object *source_object, + void *target_object, + acpi_pkg_callback walk_callback, void *context) +{ + acpi_status status = AE_OK; + union acpi_generic_state *state_list = NULL; + union acpi_generic_state *state; + union acpi_operand_object *this_source_obj; + u32 this_index; + + ACPI_FUNCTION_TRACE(ut_walk_package_tree); + + state = acpi_ut_create_pkg_state(source_object, target_object, 0); + if (!state) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + while (state) { + + /* Get one element of the package */ + + this_index = state->pkg.index; + this_source_obj = + state->pkg.source_object->package.elements[this_index]; + state->pkg.this_target_obj = + &state->pkg.source_object->package.elements[this_index]; + + /* + * Check for: + * 1) An uninitialized package element. It is completely + * legal to declare a package and leave it uninitialized + * 2) Not an internal object - can be a namespace node instead + * 3) Any type other than a package. Packages are handled in else + * case below. + */ + if ((!this_source_obj) || + (ACPI_GET_DESCRIPTOR_TYPE(this_source_obj) != + ACPI_DESC_TYPE_OPERAND) || + (this_source_obj->common.type != ACPI_TYPE_PACKAGE)) { + status = + walk_callback(ACPI_COPY_TYPE_SIMPLE, + this_source_obj, state, context); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + state->pkg.index++; + while (state->pkg.index >= + state->pkg.source_object->package.count) { + /* + * We've handled all of the objects at this level, This means + * that we have just completed a package. That package may + * have contained one or more packages itself. + * + * Delete this state and pop the previous state (package). + */ + acpi_ut_delete_generic_state(state); + state = acpi_ut_pop_generic_state(&state_list); + + /* Finished when there are no more states */ + + if (!state) { + /* + * We have handled all of the objects in the top level + * package just add the length of the package objects + * and exit + */ + return_ACPI_STATUS(AE_OK); + } + + /* + * Go back up a level and move the index past the just + * completed package object. + */ + state->pkg.index++; + } + } else { + /* This is a subobject of type package */ + + status = + walk_callback(ACPI_COPY_TYPE_PACKAGE, + this_source_obj, state, context); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * Push the current state and create a new one + * The callback above returned a new target package object. + */ + acpi_ut_push_generic_state(&state_list, state); + state = + acpi_ut_create_pkg_state(this_source_obj, + state->pkg.this_target_obj, + 0); + if (!state) { + + /* Free any stacked Update State objects */ + + while (state_list) { + state = + acpi_ut_pop_generic_state + (&state_list); + acpi_ut_delete_generic_state(state); + } + return_ACPI_STATUS(AE_NO_MEMORY); + } + } + } + + /* We should never get here */ + + ACPI_ERROR((AE_INFO, "State list did not terminate correctly")); + + return_ACPI_STATUS(AE_AML_INTERNAL); +} + +#ifdef ACPI_DEBUG_OUTPUT +/******************************************************************************* + * + * FUNCTION: acpi_ut_display_init_pathname + * + * PARAMETERS: type - Object type of the node + * obj_handle - Handle whose pathname will be displayed + * path - Additional path string to be appended. + * (NULL if no extra path) + * + * RETURN: acpi_status + * + * DESCRIPTION: Display full pathname of an object, DEBUG ONLY + * + ******************************************************************************/ + +void +acpi_ut_display_init_pathname(u8 type, + struct acpi_namespace_node *obj_handle, + const char *path) +{ + acpi_status status; + struct acpi_buffer buffer; + + ACPI_FUNCTION_ENTRY(); + + /* Only print the path if the appropriate debug level is enabled */ + + if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) { + return; + } + + /* Get the full pathname to the node */ + + buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; + status = acpi_ns_handle_to_pathname(obj_handle, &buffer, TRUE); + if (ACPI_FAILURE(status)) { + return; + } + + /* Print what we're doing */ + + switch (type) { + case ACPI_TYPE_METHOD: + + acpi_os_printf("Executing "); + break; + + default: + + acpi_os_printf("Initializing "); + break; + } + + /* Print the object type and pathname */ + + acpi_os_printf("%-12s %s", + acpi_ut_get_type_name(type), (char *)buffer.pointer); + + /* Extra path is used to append names like _STA, _INI, etc. */ + + if (path) { + acpi_os_printf(".%s", path); + } + acpi_os_printf("\n"); + + ACPI_FREE(buffer.pointer); +} +#endif |