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/gpu/drm/amd/amdgpu/amdgpu_benchmark.c | 260 ++++++++++++++++++++++++++ 1 file changed, 260 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c new file mode 100644 index 000000000..edc6377ec --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_benchmark.c @@ -0,0 +1,260 @@ +/* + * Copyright 2009 Jerome Glisse. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Jerome Glisse + */ + +#include +#include "amdgpu.h" + +#define AMDGPU_BENCHMARK_ITERATIONS 1024 +#define AMDGPU_BENCHMARK_COMMON_MODES_N 17 + +static int amdgpu_benchmark_do_move(struct amdgpu_device *adev, unsigned size, + uint64_t saddr, uint64_t daddr, int n, s64 *time_ms) +{ + ktime_t stime, etime; + struct dma_fence *fence; + int i, r; + + stime = ktime_get(); + for (i = 0; i < n; i++) { + struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + r = amdgpu_copy_buffer(ring, saddr, daddr, size, NULL, &fence, + false, false, false); + if (r) + goto exit_do_move; + r = dma_fence_wait(fence, false); + dma_fence_put(fence); + if (r) + goto exit_do_move; + } + +exit_do_move: + etime = ktime_get(); + *time_ms = ktime_ms_delta(etime, stime); + + return r; +} + + +static void amdgpu_benchmark_log_results(struct amdgpu_device *adev, + int n, unsigned size, + s64 time_ms, + unsigned sdomain, unsigned ddomain, + char *kind) +{ + s64 throughput = (n * (size >> 10)); + + throughput = div64_s64(throughput, time_ms); + + dev_info(adev->dev, "amdgpu: %s %u bo moves of %u kB from" + " %d to %d in %lld ms, throughput: %lld Mb/s or %lld MB/s\n", + kind, n, size >> 10, sdomain, ddomain, time_ms, + throughput * 8, throughput); +} + +static int amdgpu_benchmark_move(struct amdgpu_device *adev, unsigned size, + unsigned sdomain, unsigned ddomain) +{ + struct amdgpu_bo *dobj = NULL; + struct amdgpu_bo *sobj = NULL; + uint64_t saddr, daddr; + s64 time_ms; + int r, n; + + n = AMDGPU_BENCHMARK_ITERATIONS; + + r = amdgpu_bo_create_kernel(adev, size, + PAGE_SIZE, sdomain, + &sobj, + &saddr, + NULL); + if (r) + goto out_cleanup; + r = amdgpu_bo_create_kernel(adev, size, + PAGE_SIZE, ddomain, + &dobj, + &daddr, + NULL); + if (r) + goto out_cleanup; + + if (adev->mman.buffer_funcs) { + r = amdgpu_benchmark_do_move(adev, size, saddr, daddr, n, &time_ms); + if (r) + goto out_cleanup; + else + amdgpu_benchmark_log_results(adev, n, size, time_ms, + sdomain, ddomain, "dma"); + } + +out_cleanup: + /* Check error value now. The value can be overwritten when clean up.*/ + if (r < 0) + dev_info(adev->dev, "Error while benchmarking BO move.\n"); + + if (sobj) + amdgpu_bo_free_kernel(&sobj, &saddr, NULL); + if (dobj) + amdgpu_bo_free_kernel(&dobj, &daddr, NULL); + return r; +} + +int amdgpu_benchmark(struct amdgpu_device *adev, int test_number) +{ + int i, r; + static const int common_modes[AMDGPU_BENCHMARK_COMMON_MODES_N] = { + 640 * 480 * 4, + 720 * 480 * 4, + 800 * 600 * 4, + 848 * 480 * 4, + 1024 * 768 * 4, + 1152 * 768 * 4, + 1280 * 720 * 4, + 1280 * 800 * 4, + 1280 * 854 * 4, + 1280 * 960 * 4, + 1280 * 1024 * 4, + 1440 * 900 * 4, + 1400 * 1050 * 4, + 1680 * 1050 * 4, + 1600 * 1200 * 4, + 1920 * 1080 * 4, + 1920 * 1200 * 4 + }; + + mutex_lock(&adev->benchmark_mutex); + switch (test_number) { + case 1: + dev_info(adev->dev, + "benchmark test: %d (simple test, VRAM to GTT and GTT to VRAM)\n", + test_number); + /* simple test, VRAM to GTT and GTT to VRAM */ + r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM); + if (r) + goto done; + r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_GTT); + if (r) + goto done; + break; + case 2: + dev_info(adev->dev, + "benchmark test: %d (simple test, VRAM to VRAM)\n", + test_number); + /* simple test, VRAM to VRAM */ + r = amdgpu_benchmark_move(adev, 1024*1024, AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_VRAM); + if (r) + goto done; + break; + case 3: + dev_info(adev->dev, + "benchmark test: %d (GTT to VRAM, buffer size sweep, powers of 2)\n", + test_number); + /* GTT to VRAM, buffer size sweep, powers of 2 */ + for (i = 1; i <= 16384; i <<= 1) { + r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM); + if (r) + goto done; + } + break; + case 4: + dev_info(adev->dev, + "benchmark test: %d (VRAM to GTT, buffer size sweep, powers of 2)\n", + test_number); + /* VRAM to GTT, buffer size sweep, powers of 2 */ + for (i = 1; i <= 16384; i <<= 1) { + r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_GTT); + if (r) + goto done; + } + break; + case 5: + dev_info(adev->dev, + "benchmark test: %d (VRAM to VRAM, buffer size sweep, powers of 2)\n", + test_number); + /* VRAM to VRAM, buffer size sweep, powers of 2 */ + for (i = 1; i <= 16384; i <<= 1) { + r = amdgpu_benchmark_move(adev, i * AMDGPU_GPU_PAGE_SIZE, + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_VRAM); + if (r) + goto done; + } + break; + case 6: + dev_info(adev->dev, + "benchmark test: %d (GTT to VRAM, buffer size sweep, common modes)\n", + test_number); + /* GTT to VRAM, buffer size sweep, common modes */ + for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) { + r = amdgpu_benchmark_move(adev, common_modes[i], + AMDGPU_GEM_DOMAIN_GTT, + AMDGPU_GEM_DOMAIN_VRAM); + if (r) + goto done; + } + break; + case 7: + dev_info(adev->dev, + "benchmark test: %d (VRAM to GTT, buffer size sweep, common modes)\n", + test_number); + /* VRAM to GTT, buffer size sweep, common modes */ + for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) { + r = amdgpu_benchmark_move(adev, common_modes[i], + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_GTT); + if (r) + goto done; + } + break; + case 8: + dev_info(adev->dev, + "benchmark test: %d (VRAM to VRAM, buffer size sweep, common modes)\n", + test_number); + /* VRAM to VRAM, buffer size sweep, common modes */ + for (i = 0; i < AMDGPU_BENCHMARK_COMMON_MODES_N; i++) { + r = amdgpu_benchmark_move(adev, common_modes[i], + AMDGPU_GEM_DOMAIN_VRAM, + AMDGPU_GEM_DOMAIN_VRAM); + if (r) + goto done; + } + break; + + default: + dev_info(adev->dev, "Unknown benchmark %d\n", test_number); + r = -EINVAL; + break; + } + +done: + mutex_unlock(&adev->benchmark_mutex); + + return r; +} -- cgit v1.2.3