From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- drivers/tee/optee/optee_msg.h | 339 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 339 insertions(+) create mode 100644 drivers/tee/optee/optee_msg.h (limited to 'drivers/tee/optee/optee_msg.h') diff --git a/drivers/tee/optee/optee_msg.h b/drivers/tee/optee/optee_msg.h new file mode 100644 index 000000000..70e9cc2ee --- /dev/null +++ b/drivers/tee/optee/optee_msg.h @@ -0,0 +1,339 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */ +/* + * Copyright (c) 2015-2021, Linaro Limited + */ +#ifndef _OPTEE_MSG_H +#define _OPTEE_MSG_H + +#include +#include + +/* + * This file defines the OP-TEE message protocol (ABI) used to communicate + * with an instance of OP-TEE running in secure world. + * + * This file is divided into two sections. + * 1. Formatting of messages. + * 2. Requests from normal world + */ + +/***************************************************************************** + * Part 1 - formatting of messages + *****************************************************************************/ + +#define OPTEE_MSG_ATTR_TYPE_NONE 0x0 +#define OPTEE_MSG_ATTR_TYPE_VALUE_INPUT 0x1 +#define OPTEE_MSG_ATTR_TYPE_VALUE_OUTPUT 0x2 +#define OPTEE_MSG_ATTR_TYPE_VALUE_INOUT 0x3 +#define OPTEE_MSG_ATTR_TYPE_RMEM_INPUT 0x5 +#define OPTEE_MSG_ATTR_TYPE_RMEM_OUTPUT 0x6 +#define OPTEE_MSG_ATTR_TYPE_RMEM_INOUT 0x7 +#define OPTEE_MSG_ATTR_TYPE_FMEM_INPUT OPTEE_MSG_ATTR_TYPE_RMEM_INPUT +#define OPTEE_MSG_ATTR_TYPE_FMEM_OUTPUT OPTEE_MSG_ATTR_TYPE_RMEM_OUTPUT +#define OPTEE_MSG_ATTR_TYPE_FMEM_INOUT OPTEE_MSG_ATTR_TYPE_RMEM_INOUT +#define OPTEE_MSG_ATTR_TYPE_TMEM_INPUT 0x9 +#define OPTEE_MSG_ATTR_TYPE_TMEM_OUTPUT 0xa +#define OPTEE_MSG_ATTR_TYPE_TMEM_INOUT 0xb + +#define OPTEE_MSG_ATTR_TYPE_MASK GENMASK(7, 0) + +/* + * Meta parameter to be absorbed by the Secure OS and not passed + * to the Trusted Application. + * + * Currently only used with OPTEE_MSG_CMD_OPEN_SESSION. + */ +#define OPTEE_MSG_ATTR_META BIT(8) + +/* + * Pointer to a list of pages used to register user-defined SHM buffer. + * Used with OPTEE_MSG_ATTR_TYPE_TMEM_*. + * buf_ptr should point to the beginning of the buffer. Buffer will contain + * list of page addresses. OP-TEE core can reconstruct contiguous buffer from + * that page addresses list. Page addresses are stored as 64 bit values. + * Last entry on a page should point to the next page of buffer. + * Every entry in buffer should point to a 4k page beginning (12 least + * significant bits must be equal to zero). + * + * 12 least significant bits of optee_msg_param.u.tmem.buf_ptr should hold + * page offset of user buffer. + * + * So, entries should be placed like members of this structure: + * + * struct page_data { + * uint64_t pages_array[OPTEE_MSG_NONCONTIG_PAGE_SIZE/sizeof(uint64_t) - 1]; + * uint64_t next_page_data; + * }; + * + * Structure is designed to exactly fit into the page size + * OPTEE_MSG_NONCONTIG_PAGE_SIZE which is a standard 4KB page. + * + * The size of 4KB is chosen because this is the smallest page size for ARM + * architectures. If REE uses larger pages, it should divide them to 4KB ones. + */ +#define OPTEE_MSG_ATTR_NONCONTIG BIT(9) + +/* + * Memory attributes for caching passed with temp memrefs. The actual value + * used is defined outside the message protocol with the exception of + * OPTEE_MSG_ATTR_CACHE_PREDEFINED which means the attributes already + * defined for the memory range should be used. If optee_smc.h is used as + * bearer of this protocol OPTEE_SMC_SHM_* is used for values. + */ +#define OPTEE_MSG_ATTR_CACHE_SHIFT 16 +#define OPTEE_MSG_ATTR_CACHE_MASK GENMASK(2, 0) +#define OPTEE_MSG_ATTR_CACHE_PREDEFINED 0 + +/* + * Same values as TEE_LOGIN_* from TEE Internal API + */ +#define OPTEE_MSG_LOGIN_PUBLIC 0x00000000 +#define OPTEE_MSG_LOGIN_USER 0x00000001 +#define OPTEE_MSG_LOGIN_GROUP 0x00000002 +#define OPTEE_MSG_LOGIN_APPLICATION 0x00000004 +#define OPTEE_MSG_LOGIN_APPLICATION_USER 0x00000005 +#define OPTEE_MSG_LOGIN_APPLICATION_GROUP 0x00000006 + +/* + * Page size used in non-contiguous buffer entries + */ +#define OPTEE_MSG_NONCONTIG_PAGE_SIZE 4096 + +#define OPTEE_MSG_FMEM_INVALID_GLOBAL_ID 0xffffffffffffffff + +/** + * struct optee_msg_param_tmem - temporary memory reference parameter + * @buf_ptr: Address of the buffer + * @size: Size of the buffer + * @shm_ref: Temporary shared memory reference, pointer to a struct tee_shm + * + * Secure and normal world communicates pointers as physical address + * instead of the virtual address. This is because secure and normal world + * have completely independent memory mapping. Normal world can even have a + * hypervisor which need to translate the guest physical address (AKA IPA + * in ARM documentation) to a real physical address before passing the + * structure to secure world. + */ +struct optee_msg_param_tmem { + u64 buf_ptr; + u64 size; + u64 shm_ref; +}; + +/** + * struct optee_msg_param_rmem - registered memory reference parameter + * @offs: Offset into shared memory reference + * @size: Size of the buffer + * @shm_ref: Shared memory reference, pointer to a struct tee_shm + */ +struct optee_msg_param_rmem { + u64 offs; + u64 size; + u64 shm_ref; +}; + +/** + * struct optee_msg_param_fmem - ffa memory reference parameter + * @offs_lower: Lower bits of offset into shared memory reference + * @offs_upper: Upper bits of offset into shared memory reference + * @internal_offs: Internal offset into the first page of shared memory + * reference + * @size: Size of the buffer + * @global_id: Global identifier of Shared memory + */ +struct optee_msg_param_fmem { + u32 offs_low; + u16 offs_high; + u16 internal_offs; + u64 size; + u64 global_id; +}; + +/** + * struct optee_msg_param_value - opaque value parameter + * + * Value parameters are passed unchecked between normal and secure world. + */ +struct optee_msg_param_value { + u64 a; + u64 b; + u64 c; +}; + +/** + * struct optee_msg_param - parameter used together with struct optee_msg_arg + * @attr: attributes + * @tmem: parameter by temporary memory reference + * @rmem: parameter by registered memory reference + * @fmem: parameter by ffa registered memory reference + * @value: parameter by opaque value + * @octets: parameter by octet string + * + * @attr & OPTEE_MSG_ATTR_TYPE_MASK indicates if tmem, rmem or value is used in + * the union. OPTEE_MSG_ATTR_TYPE_VALUE_* indicates value or octets, + * OPTEE_MSG_ATTR_TYPE_TMEM_* indicates @tmem and + * OPTEE_MSG_ATTR_TYPE_RMEM_* or the alias PTEE_MSG_ATTR_TYPE_FMEM_* indicates + * @rmem or @fmem depending on the conduit. + * OPTEE_MSG_ATTR_TYPE_NONE indicates that none of the members are used. + */ +struct optee_msg_param { + u64 attr; + union { + struct optee_msg_param_tmem tmem; + struct optee_msg_param_rmem rmem; + struct optee_msg_param_fmem fmem; + struct optee_msg_param_value value; + u8 octets[24]; + } u; +}; + +/** + * struct optee_msg_arg - call argument + * @cmd: Command, one of OPTEE_MSG_CMD_* or OPTEE_MSG_RPC_CMD_* + * @func: Trusted Application function, specific to the Trusted Application, + * used if cmd == OPTEE_MSG_CMD_INVOKE_COMMAND + * @session: In parameter for all OPTEE_MSG_CMD_* except + * OPTEE_MSG_CMD_OPEN_SESSION where it's an output parameter instead + * @cancel_id: Cancellation id, a unique value to identify this request + * @ret: return value + * @ret_origin: origin of the return value + * @num_params: number of parameters supplied to the OS Command + * @params: the parameters supplied to the OS Command + * + * All normal calls to Trusted OS uses this struct. If cmd requires further + * information than what these fields hold it can be passed as a parameter + * tagged as meta (setting the OPTEE_MSG_ATTR_META bit in corresponding + * attrs field). All parameters tagged as meta have to come first. + */ +struct optee_msg_arg { + u32 cmd; + u32 func; + u32 session; + u32 cancel_id; + u32 pad; + u32 ret; + u32 ret_origin; + u32 num_params; + + /* num_params tells the actual number of element in params */ + struct optee_msg_param params[]; +}; + +/** + * OPTEE_MSG_GET_ARG_SIZE - return size of struct optee_msg_arg + * + * @num_params: Number of parameters embedded in the struct optee_msg_arg + * + * Returns the size of the struct optee_msg_arg together with the number + * of embedded parameters. + */ +#define OPTEE_MSG_GET_ARG_SIZE(num_params) \ + (sizeof(struct optee_msg_arg) + \ + sizeof(struct optee_msg_param) * (num_params)) + +/***************************************************************************** + * Part 2 - requests from normal world + *****************************************************************************/ + +/* + * Return the following UID if using API specified in this file without + * further extensions: + * 384fb3e0-e7f8-11e3-af63-0002a5d5c51b. + * Represented in 4 32-bit words in OPTEE_MSG_UID_0, OPTEE_MSG_UID_1, + * OPTEE_MSG_UID_2, OPTEE_MSG_UID_3. + */ +#define OPTEE_MSG_UID_0 0x384fb3e0 +#define OPTEE_MSG_UID_1 0xe7f811e3 +#define OPTEE_MSG_UID_2 0xaf630002 +#define OPTEE_MSG_UID_3 0xa5d5c51b +#define OPTEE_MSG_FUNCID_CALLS_UID 0xFF01 + +/* + * Returns 2.0 if using API specified in this file without further + * extensions. Represented in 2 32-bit words in OPTEE_MSG_REVISION_MAJOR + * and OPTEE_MSG_REVISION_MINOR + */ +#define OPTEE_MSG_REVISION_MAJOR 2 +#define OPTEE_MSG_REVISION_MINOR 0 +#define OPTEE_MSG_FUNCID_CALLS_REVISION 0xFF03 + +/* + * Get UUID of Trusted OS. + * + * Used by non-secure world to figure out which Trusted OS is installed. + * Note that returned UUID is the UUID of the Trusted OS, not of the API. + * + * Returns UUID in 4 32-bit words in the same way as + * OPTEE_MSG_FUNCID_CALLS_UID described above. + */ +#define OPTEE_MSG_OS_OPTEE_UUID_0 0x486178e0 +#define OPTEE_MSG_OS_OPTEE_UUID_1 0xe7f811e3 +#define OPTEE_MSG_OS_OPTEE_UUID_2 0xbc5e0002 +#define OPTEE_MSG_OS_OPTEE_UUID_3 0xa5d5c51b +#define OPTEE_MSG_FUNCID_GET_OS_UUID 0x0000 + +/* + * Get revision of Trusted OS. + * + * Used by non-secure world to figure out which version of the Trusted OS + * is installed. Note that the returned revision is the revision of the + * Trusted OS, not of the API. + * + * Returns revision in 2 32-bit words in the same way as + * OPTEE_MSG_CALLS_REVISION described above. + */ +#define OPTEE_MSG_FUNCID_GET_OS_REVISION 0x0001 + +/* + * Do a secure call with struct optee_msg_arg as argument + * The OPTEE_MSG_CMD_* below defines what goes in struct optee_msg_arg::cmd + * + * OPTEE_MSG_CMD_OPEN_SESSION opens a session to a Trusted Application. + * The first two parameters are tagged as meta, holding two value + * parameters to pass the following information: + * param[0].u.value.a-b uuid of Trusted Application + * param[1].u.value.a-b uuid of Client + * param[1].u.value.c Login class of client OPTEE_MSG_LOGIN_* + * + * OPTEE_MSG_CMD_INVOKE_COMMAND invokes a command a previously opened + * session to a Trusted Application. struct optee_msg_arg::func is Trusted + * Application function, specific to the Trusted Application. + * + * OPTEE_MSG_CMD_CLOSE_SESSION closes a previously opened session to + * Trusted Application. + * + * OPTEE_MSG_CMD_CANCEL cancels a currently invoked command. + * + * OPTEE_MSG_CMD_REGISTER_SHM registers a shared memory reference. The + * information is passed as: + * [in] param[0].attr OPTEE_MSG_ATTR_TYPE_TMEM_INPUT + * [| OPTEE_MSG_ATTR_NONCONTIG] + * [in] param[0].u.tmem.buf_ptr physical address (of first fragment) + * [in] param[0].u.tmem.size size (of first fragment) + * [in] param[0].u.tmem.shm_ref holds shared memory reference + * + * OPTEE_MSG_CMD_UNREGISTER_SHM unregisters a previously registered shared + * memory reference. The information is passed as: + * [in] param[0].attr OPTEE_MSG_ATTR_TYPE_RMEM_INPUT + * [in] param[0].u.rmem.shm_ref holds shared memory reference + * [in] param[0].u.rmem.offs 0 + * [in] param[0].u.rmem.size 0 + * + * OPTEE_MSG_CMD_DO_BOTTOM_HALF does the scheduled bottom half processing + * of a driver. + * + * OPTEE_MSG_CMD_STOP_ASYNC_NOTIF informs secure world that from now is + * normal world unable to process asynchronous notifications. Typically + * used when the driver is shut down. + */ +#define OPTEE_MSG_CMD_OPEN_SESSION 0 +#define OPTEE_MSG_CMD_INVOKE_COMMAND 1 +#define OPTEE_MSG_CMD_CLOSE_SESSION 2 +#define OPTEE_MSG_CMD_CANCEL 3 +#define OPTEE_MSG_CMD_REGISTER_SHM 4 +#define OPTEE_MSG_CMD_UNREGISTER_SHM 5 +#define OPTEE_MSG_CMD_DO_BOTTOM_HALF 6 +#define OPTEE_MSG_CMD_STOP_ASYNC_NOTIF 7 +#define OPTEE_MSG_FUNCID_CALL_WITH_ARG 0x0004 + +#endif /* _OPTEE_MSG_H */ -- cgit v1.2.3