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/qxl/qxl_drv.c | 313 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 313 insertions(+) create mode 100644 drivers/gpu/drm/qxl/qxl_drv.c (limited to 'drivers/gpu/drm/qxl/qxl_drv.c') diff --git a/drivers/gpu/drm/qxl/qxl_drv.c b/drivers/gpu/drm/qxl/qxl_drv.c new file mode 100644 index 000000000..a3b83f89e --- /dev/null +++ b/drivers/gpu/drm/qxl/qxl_drv.c @@ -0,0 +1,313 @@ +/* qxl_drv.c -- QXL driver -*- linux-c -*- + * + * Copyright 2011 Red Hat, Inc. + * All Rights Reserved. + * + * 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 (including the next + * paragraph) 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 + * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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: + * Dave Airlie + * Alon Levy + */ + +#include "qxl_drv.h" + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "qxl_object.h" + +static const struct pci_device_id pciidlist[] = { + { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, + 0xffff00, 0 }, + { 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8, + 0xffff00, 0 }, + { 0, 0, 0 }, +}; +MODULE_DEVICE_TABLE(pci, pciidlist); + +static int qxl_modeset = -1; +int qxl_num_crtc = 4; + +MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); +module_param_named(modeset, qxl_modeset, int, 0400); + +MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)"); +module_param_named(num_heads, qxl_num_crtc, int, 0400); + +static struct drm_driver qxl_driver; +static struct pci_driver qxl_pci_driver; + +static bool is_vga(struct pci_dev *pdev) +{ + return pdev->class == PCI_CLASS_DISPLAY_VGA << 8; +} + +static int +qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ + struct qxl_device *qdev; + int ret; + + if (pdev->revision < 4) { + DRM_ERROR("qxl too old, doesn't support client_monitors_config," + " use xf86-video-qxl in user mode"); + return -EINVAL; /* TODO: ENODEV ? */ + } + + qdev = devm_drm_dev_alloc(&pdev->dev, &qxl_driver, + struct qxl_device, ddev); + if (IS_ERR(qdev)) { + pr_err("Unable to init drm dev"); + return -ENOMEM; + } + + ret = pci_enable_device(pdev); + if (ret) + return ret; + + ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &qxl_driver); + if (ret) + goto disable_pci; + + if (is_vga(pdev) && pdev->revision < 5) { + ret = vga_get_interruptible(pdev, VGA_RSRC_LEGACY_IO); + if (ret) { + DRM_ERROR("can't get legacy vga ioports\n"); + goto disable_pci; + } + } + + ret = qxl_device_init(qdev, pdev); + if (ret) + goto put_vga; + + ret = qxl_modeset_init(qdev); + if (ret) + goto unload; + + drm_kms_helper_poll_init(&qdev->ddev); + + /* Complete initialization. */ + ret = drm_dev_register(&qdev->ddev, ent->driver_data); + if (ret) + goto modeset_cleanup; + + drm_fbdev_generic_setup(&qdev->ddev, 32); + return 0; + +modeset_cleanup: + qxl_modeset_fini(qdev); +unload: + qxl_device_fini(qdev); +put_vga: + if (is_vga(pdev) && pdev->revision < 5) + vga_put(pdev, VGA_RSRC_LEGACY_IO); +disable_pci: + pci_disable_device(pdev); + + return ret; +} + +static void qxl_drm_release(struct drm_device *dev) +{ + struct qxl_device *qdev = to_qxl(dev); + + /* + * TODO: qxl_device_fini() call should be in qxl_pci_remove(), + * reordering qxl_modeset_fini() + qxl_device_fini() calls is + * non-trivial though. + */ + qxl_modeset_fini(qdev); + qxl_device_fini(qdev); +} + +static void +qxl_pci_remove(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + + drm_dev_unregister(dev); + drm_atomic_helper_shutdown(dev); + if (is_vga(pdev) && pdev->revision < 5) + vga_put(pdev, VGA_RSRC_LEGACY_IO); +} + +DEFINE_DRM_GEM_FOPS(qxl_fops); + +static int qxl_drm_freeze(struct drm_device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev->dev); + struct qxl_device *qdev = to_qxl(dev); + int ret; + + ret = drm_mode_config_helper_suspend(dev); + if (ret) + return ret; + + qxl_destroy_monitors_object(qdev); + qxl_surf_evict(qdev); + qxl_vram_evict(qdev); + + while (!qxl_check_idle(qdev->command_ring)); + while (!qxl_check_idle(qdev->release_ring)) + qxl_queue_garbage_collect(qdev, 1); + + pci_save_state(pdev); + + return 0; +} + +static int qxl_drm_resume(struct drm_device *dev, bool thaw) +{ + struct qxl_device *qdev = to_qxl(dev); + + qdev->ram_header->int_mask = QXL_INTERRUPT_MASK; + if (!thaw) { + qxl_reinit_memslots(qdev); + } + + qxl_create_monitors_object(qdev); + return drm_mode_config_helper_resume(dev); +} + +static int qxl_pm_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + int error; + + error = qxl_drm_freeze(drm_dev); + if (error) + return error; + + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + return 0; +} + +static int qxl_pm_resume(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct qxl_device *qdev = to_qxl(drm_dev); + + pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); + if (pci_enable_device(pdev)) { + return -EIO; + } + + qxl_io_reset(qdev); + return qxl_drm_resume(drm_dev, false); +} + +static int qxl_pm_thaw(struct device *dev) +{ + struct drm_device *drm_dev = dev_get_drvdata(dev); + + return qxl_drm_resume(drm_dev, true); +} + +static int qxl_pm_freeze(struct device *dev) +{ + struct drm_device *drm_dev = dev_get_drvdata(dev); + + return qxl_drm_freeze(drm_dev); +} + +static int qxl_pm_restore(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct qxl_device *qdev = to_qxl(drm_dev); + + qxl_io_reset(qdev); + return qxl_drm_resume(drm_dev, false); +} + +static const struct dev_pm_ops qxl_pm_ops = { + .suspend = qxl_pm_suspend, + .resume = qxl_pm_resume, + .freeze = qxl_pm_freeze, + .thaw = qxl_pm_thaw, + .poweroff = qxl_pm_freeze, + .restore = qxl_pm_restore, +}; +static struct pci_driver qxl_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = qxl_pci_probe, + .remove = qxl_pci_remove, + .driver.pm = &qxl_pm_ops, +}; + +static const struct drm_ioctl_desc qxl_ioctls[] = { + DRM_IOCTL_DEF_DRV(QXL_ALLOC, qxl_alloc_ioctl, DRM_AUTH), + DRM_IOCTL_DEF_DRV(QXL_MAP, qxl_map_ioctl, DRM_AUTH), + DRM_IOCTL_DEF_DRV(QXL_EXECBUFFER, qxl_execbuffer_ioctl, DRM_AUTH), + DRM_IOCTL_DEF_DRV(QXL_UPDATE_AREA, qxl_update_area_ioctl, DRM_AUTH), + DRM_IOCTL_DEF_DRV(QXL_GETPARAM, qxl_getparam_ioctl, DRM_AUTH), + DRM_IOCTL_DEF_DRV(QXL_CLIENTCAP, qxl_clientcap_ioctl, DRM_AUTH), + DRM_IOCTL_DEF_DRV(QXL_ALLOC_SURF, qxl_alloc_surf_ioctl, DRM_AUTH), +}; + +static struct drm_driver qxl_driver = { + .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, + + .dumb_create = qxl_mode_dumb_create, + .dumb_map_offset = drm_gem_ttm_dumb_map_offset, +#if defined(CONFIG_DEBUG_FS) + .debugfs_init = qxl_debugfs_init, +#endif + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, + .gem_prime_import_sg_table = qxl_gem_prime_import_sg_table, + .fops = &qxl_fops, + .ioctls = qxl_ioctls, + .num_ioctls = ARRAY_SIZE(qxl_ioctls), + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = 0, + .minor = 1, + .patchlevel = 0, + + .release = qxl_drm_release, +}; + +drm_module_pci_driver_if_modeset(qxl_pci_driver, qxl_modeset); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); -- cgit v1.2.3