/* * Copyright(c) 2011-2016 Intel Corporation. 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 * THE AUTHORS OR COPYRIGHT HOLDERS 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: * Kevin Tian * Zhi Wang * * Contributors: * Min he * */ #ifndef _GVT_INTERRUPT_H_ #define _GVT_INTERRUPT_H_ enum intel_gvt_event_type { RCS_MI_USER_INTERRUPT = 0, RCS_DEBUG, RCS_MMIO_SYNC_FLUSH, RCS_CMD_STREAMER_ERR, RCS_PIPE_CONTROL, RCS_L3_PARITY_ERR, RCS_WATCHDOG_EXCEEDED, RCS_PAGE_DIRECTORY_FAULT, RCS_AS_CONTEXT_SWITCH, RCS_MONITOR_BUFF_HALF_FULL, VCS_MI_USER_INTERRUPT, VCS_MMIO_SYNC_FLUSH, VCS_CMD_STREAMER_ERR, VCS_MI_FLUSH_DW, VCS_WATCHDOG_EXCEEDED, VCS_PAGE_DIRECTORY_FAULT, VCS_AS_CONTEXT_SWITCH, VCS2_MI_USER_INTERRUPT, VCS2_MI_FLUSH_DW, VCS2_AS_CONTEXT_SWITCH, BCS_MI_USER_INTERRUPT, BCS_MMIO_SYNC_FLUSH, BCS_CMD_STREAMER_ERR, BCS_MI_FLUSH_DW, BCS_PAGE_DIRECTORY_FAULT, BCS_AS_CONTEXT_SWITCH, VECS_MI_USER_INTERRUPT, VECS_MI_FLUSH_DW, VECS_AS_CONTEXT_SWITCH, PIPE_A_FIFO_UNDERRUN, PIPE_B_FIFO_UNDERRUN, PIPE_A_CRC_ERR, PIPE_B_CRC_ERR, PIPE_A_CRC_DONE, PIPE_B_CRC_DONE, PIPE_A_ODD_FIELD, PIPE_B_ODD_FIELD, PIPE_A_EVEN_FIELD, PIPE_B_EVEN_FIELD, PIPE_A_LINE_COMPARE, PIPE_B_LINE_COMPARE, PIPE_C_LINE_COMPARE, PIPE_A_VBLANK, PIPE_B_VBLANK, PIPE_C_VBLANK, PIPE_A_VSYNC, PIPE_B_VSYNC, PIPE_C_VSYNC, PRIMARY_A_FLIP_DONE, PRIMARY_B_FLIP_DONE, PRIMARY_C_FLIP_DONE, SPRITE_A_FLIP_DONE, SPRITE_B_FLIP_DONE, SPRITE_C_FLIP_DONE, PCU_THERMAL, PCU_PCODE2DRIVER_MAILBOX, DPST_PHASE_IN, DPST_HISTOGRAM, GSE, DP_A_HOTPLUG, AUX_CHANNEL_A, PERF_COUNTER, POISON, GTT_FAULT, ERROR_INTERRUPT_COMBINED, FDI_RX_INTERRUPTS_TRANSCODER_A, AUDIO_CP_CHANGE_TRANSCODER_A, AUDIO_CP_REQUEST_TRANSCODER_A, FDI_RX_INTERRUPTS_TRANSCODER_B, AUDIO_CP_CHANGE_TRANSCODER_B, AUDIO_CP_REQUEST_TRANSCODER_B, FDI_RX_INTERRUPTS_TRANSCODER_C, AUDIO_CP_CHANGE_TRANSCODER_C, AUDIO_CP_REQUEST_TRANSCODER_C, ERR_AND_DBG, GMBUS, SDVO_B_HOTPLUG, CRT_HOTPLUG, DP_B_HOTPLUG, DP_C_HOTPLUG, DP_D_HOTPLUG, AUX_CHANNEL_B, AUX_CHANNEL_C, AUX_CHANNEL_D, AUDIO_POWER_STATE_CHANGE_B, AUDIO_POWER_STATE_CHANGE_C, AUDIO_POWER_STATE_CHANGE_D, INTEL_GVT_EVENT_RESERVED, INTEL_GVT_EVENT_MAX, }; struct intel_gvt_irq; struct intel_gvt; typedef void (*gvt_event_virt_handler_t)(struct intel_gvt_irq *irq, enum intel_gvt_event_type event, struct intel_vgpu *vgpu); struct intel_gvt_irq_ops { void (*init_irq)(struct intel_gvt_irq *irq); void (*check_pending_irq)(struct intel_vgpu *vgpu); }; /* the list of physical interrupt control register groups */ enum intel_gvt_irq_type { INTEL_GVT_IRQ_INFO_GT, INTEL_GVT_IRQ_INFO_DPY, INTEL_GVT_IRQ_INFO_PCH, INTEL_GVT_IRQ_INFO_PM, INTEL_GVT_IRQ_INFO_MASTER, INTEL_GVT_IRQ_INFO_GT0, INTEL_GVT_IRQ_INFO_GT1, INTEL_GVT_IRQ_INFO_GT2, INTEL_GVT_IRQ_INFO_GT3, INTEL_GVT_IRQ_INFO_DE_PIPE_A, INTEL_GVT_IRQ_INFO_DE_PIPE_B, INTEL_GVT_IRQ_INFO_DE_PIPE_C, INTEL_GVT_IRQ_INFO_DE_PORT, INTEL_GVT_IRQ_INFO_DE_MISC, INTEL_GVT_IRQ_INFO_AUD, INTEL_GVT_IRQ_INFO_PCU, INTEL_GVT_IRQ_INFO_MAX, }; #define INTEL_GVT_IRQ_BITWIDTH 32 /* device specific interrupt bit definitions */ struct intel_gvt_irq_info { char *name; i915_reg_t reg_base; enum intel_gvt_event_type bit_to_event[INTEL_GVT_IRQ_BITWIDTH]; unsigned long warned; int group; DECLARE_BITMAP(downstream_irq_bitmap, INTEL_GVT_IRQ_BITWIDTH); bool has_upstream_irq; }; /* per-event information */ struct intel_gvt_event_info { int bit; /* map to register bit */ int policy; /* forwarding policy */ struct intel_gvt_irq_info *info; /* register info */ gvt_event_virt_handler_t v_handler; /* for v_event */ }; struct intel_gvt_irq_map { int up_irq_group; int up_irq_bit; int down_irq_group; u32 down_irq_bitmask; }; /* structure containing device specific IRQ state */ struct intel_gvt_irq { struct intel_gvt_irq_ops *ops; struct intel_gvt_irq_info *info[INTEL_GVT_IRQ_INFO_MAX]; DECLARE_BITMAP(irq_info_bitmap, INTEL_GVT_IRQ_INFO_MAX); struct intel_gvt_event_info events[INTEL_GVT_EVENT_MAX]; DECLARE_BITMAP(pending_events, INTEL_GVT_EVENT_MAX); struct intel_gvt_irq_map *irq_map; }; int intel_gvt_init_irq(struct intel_gvt *gvt); void intel_gvt_clean_irq(struct intel_gvt *gvt); void intel_vgpu_trigger_virtual_event(struct intel_vgpu *vgpu, enum intel_gvt_event_type event); int intel_vgpu_reg_iir_handler(struct intel_vgpu *vgpu, unsigned int reg, void *p_data, unsigned int bytes); int intel_vgpu_reg_ier_handler(struct intel_vgpu *vgpu, unsigned int reg, void *p_data, unsigned int bytes); int intel_vgpu_reg_master_irq_handler(struct intel_vgpu *vgpu, unsigned int reg, void *p_data, unsigned int bytes); int intel_vgpu_reg_imr_handler(struct intel_vgpu *vgpu, unsigned int reg, void *p_data, unsigned int bytes); #endif /* _GVT_INTERRUPT_H_ */