/* * Copyright 2016 Intel Corp. * * 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. */ #ifndef _DRM_IRQ_H_ #define _DRM_IRQ_H_ #include /** * struct drm_pending_vblank_event - pending vblank event tracking */ struct drm_pending_vblank_event { /** * @base: Base structure for tracking pending DRM events. */ struct drm_pending_event base; /** * @pipe: drm_crtc_index() of the &drm_crtc this event is for. */ unsigned int pipe; /** * @event: Actual event which will be sent to userspace. */ struct drm_event_vblank event; }; /** * struct drm_vblank_crtc - vblank tracking for a CRTC * * This structure tracks the vblank state for one CRTC. * * Note that for historical reasons - the vblank handling code is still shared * with legacy/non-kms drivers - this is a free-standing structure not directly * connected to struct &drm_crtc. But all public interface functions are taking * a struct &drm_crtc to hide this implementation detail. */ struct drm_vblank_crtc { /** * @dev: Pointer to the &drm_device. */ struct drm_device *dev; /** * @queue: Wait queue for vblank waiters. */ wait_queue_head_t queue; /**< VBLANK wait queue */ /** * @disable_timer: Disable timer for the delayed vblank disabling * hysteresis logic. Vblank disabling is controlled through the * drm_vblank_offdelay module option and the setting of the * max_vblank_count value in the &drm_device structure. */ struct timer_list disable_timer; /** * @seqlock: Protect vblank count and time. */ seqlock_t seqlock; /* protects vblank count and time */ /** * @count: Current software vblank counter. */ u32 count; /** * @time: Vblank timestamp corresponding to @count. */ struct timeval time; /** * @refcount: Number of users/waiters of the vblank interrupt. Only when * this refcount reaches 0 can the hardware interrupt be disabled using * @disable_timer. */ atomic_t refcount; /* number of users of vblank interruptsper crtc */ /** * @last: Protected by dev->vbl_lock, used for wraparound handling. */ u32 last; /** * @inmodeset: Tracks whether the vblank is disabled due to a modeset. * For legacy driver bit 2 additionally tracks whether an additional * temporary vblank reference has been acquired to paper over the * hardware counter resetting/jumping. KMS drivers should instead just * call drm_crtc_vblank_off() and drm_crtc_vblank_on(), which explicitly * save and restore the vblank count. */ unsigned int inmodeset; /* Display driver is setting mode */ /** * @pipe: drm_crtc_index() of the &drm_crtc corresponding to this * structure. */ unsigned int pipe; /** * @framedur_ns: Frame/Field duration in ns, used by * drm_calc_vbltimestamp_from_scanoutpos() and computed by * drm_calc_timestamping_constants(). */ int framedur_ns; /** * @linedur_ns: Line duration in ns, used by * drm_calc_vbltimestamp_from_scanoutpos() and computed by * drm_calc_timestamping_constants(). */ int linedur_ns; /** * @enabled: Tracks the enabling state of the corresponding &drm_crtc to * avoid double-disabling and hence corrupting saved state. Needed by * drivers not using atomic KMS, since those might go through their CRTC * disabling functions multiple times. */ bool enabled; }; int drm_irq_install(struct drm_device *dev, int irq); int drm_irq_uninstall(struct drm_device *dev); int drm_vblank_init(struct drm_device *dev, unsigned int num_crtcs); u32 drm_crtc_vblank_count(struct drm_crtc *crtc); u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc, struct timeval *vblanktime); void drm_crtc_send_vblank_event(struct drm_crtc *crtc, struct drm_pending_vblank_event *e); void drm_crtc_arm_vblank_event(struct drm_crtc *crtc, struct drm_pending_vblank_event *e); bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe); bool drm_crtc_handle_vblank(struct drm_crtc *crtc); int drm_crtc_vblank_get(struct drm_crtc *crtc); void drm_crtc_vblank_put(struct drm_crtc *crtc); void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe); void drm_crtc_wait_one_vblank(struct drm_crtc *crtc); void drm_crtc_vblank_off(struct drm_crtc *crtc); void drm_crtc_vblank_reset(struct drm_crtc *crtc); void drm_crtc_vblank_on(struct drm_crtc *crtc); void drm_vblank_cleanup(struct drm_device *dev); u32 drm_accurate_vblank_count(struct drm_crtc *crtc); u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe); int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, unsigned int pipe, int *max_error, struct timeval *vblank_time, unsigned flags, const struct drm_display_mode *mode); void drm_calc_timestamping_constants(struct drm_crtc *crtc, const struct drm_display_mode *mode); /** * drm_crtc_vblank_waitqueue - get vblank waitqueue for the CRTC * @crtc: which CRTC's vblank waitqueue to retrieve * * This function returns a pointer to the vblank waitqueue for the CRTC. * Drivers can use this to implement vblank waits using wait_event() and related * functions. */ static inline wait_queue_head_t *drm_crtc_vblank_waitqueue(struct drm_crtc *crtc) { return &crtc->dev->vblank[drm_crtc_index(crtc)].queue; } #endif x/kernel/git/davem/net
Pull networking fixes from David Miller: 1) GTP fixes from Andreas Schultz (missing genl module alias, clear IP DF on transmit). 2) Netfilter needs to reflect the fwmark when sending resets, from Pau Espin Pedrol. 3) nftable dump OOPS fix from Liping Zhang. 4) Fix erroneous setting of VIRTIO_NET_HDR_F_DATA_VALID on transmit, from Rolf Neugebauer. 5) Fix build error of ipt_CLUSTERIP when procfs is disabled, from Arnd Bergmann. 6) Fix regression in handling of NETIF_F_SG in harmonize_features(), from Eric Dumazet. 7) Fix RTNL deadlock wrt. lwtunnel module loading, from David Ahern. 8) tcp_fastopen_create_child() needs to setup tp->max_window, from Alexey Kodanev. 9) Missing kmemdup() failure check in ipv6 segment routing code, from Eric Dumazet. 10) Don't execute unix_bind() under the bindlock, otherwise we deadlock with splice. From WANG Cong. 11) ip6_tnl_parse_tlv_enc_lim() potentially reallocates the skb buffer, therefore callers must reload cached header pointers into that skb. Fix from Eric Dumazet. 12) Fix various bugs in legacy IRQ fallback handling in alx driver, from Tobias Regnery. 13) Do not allow lwtunnel drivers to be unloaded while they are referenced by active instances, from Robert Shearman. 14) Fix truncated PHY LED trigger names, from Geert Uytterhoeven. 15) Fix a few regressions from virtio_net XDP support, from John Fastabend and Jakub Kicinski. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (102 commits) ISDN: eicon: silence misleading array-bounds warning net: phy: micrel: add support for KSZ8795 gtp: fix cross netns recv on gtp socket gtp: clear DF bit on GTP packet tx gtp: add genl family modules alias tcp: don't annotate mark on control socket from tcp_v6_send_response() ravb: unmap descriptors when freeing rings virtio_net: reject XDP programs using header adjustment virtio_net: use dev_kfree_skb for small buffer XDP receive r8152: check rx after napi is enabled r8152: re-schedule napi for tx r8152: avoid start_xmit to schedule napi when napi is disabled r8152: avoid start_xmit to call napi_schedule during autosuspend net: dsa: Bring back device detaching in dsa_slave_suspend() net: phy: leds: Fix truncated LED trigger names net: phy: leds: Break dependency of phy.h on phy_led_triggers.h net: phy: leds: Clear phy_num_led_triggers on failure to avoid crash net-next: ethernet: mediatek: change the compatible string Documentation: devicetree: change the mediatek ethernet compatible string bnxt_en: Fix RTNL lock usage on bnxt_get_port_module_status(). ...
Diffstat (limited to 'include/target/iscsi')