These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / i915 / intel_guc_fwif.h
diff --git a/kernel/drivers/gpu/drm/i915/intel_guc_fwif.h b/kernel/drivers/gpu/drm/i915/intel_guc_fwif.h
new file mode 100644 (file)
index 0000000..593d2f5
--- /dev/null
@@ -0,0 +1,260 @@
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * 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.
+ */
+#ifndef _INTEL_GUC_FWIF_H
+#define _INTEL_GUC_FWIF_H
+
+/*
+ * This file is partially autogenerated, although currently with some manual
+ * fixups afterwards. In future, it should be entirely autogenerated, in order
+ * to ensure that the definitions herein remain in sync with those used by the
+ * GuC's own firmware.
+ *
+ * EDITING THIS FILE IS THEREFORE NOT RECOMMENDED - YOUR CHANGES MAY BE LOST.
+ */
+
+#define GFXCORE_FAMILY_GEN9            12
+#define GFXCORE_FAMILY_UNKNOWN         0x7fffffff
+
+#define GUC_CTX_PRIORITY_KMD_HIGH      0
+#define GUC_CTX_PRIORITY_HIGH          1
+#define GUC_CTX_PRIORITY_KMD_NORMAL    2
+#define GUC_CTX_PRIORITY_NORMAL                3
+
+#define GUC_MAX_GPU_CONTEXTS           1024
+#define        GUC_INVALID_CTX_ID              GUC_MAX_GPU_CONTEXTS
+
+/* Work queue item header definitions */
+#define WQ_STATUS_ACTIVE               1
+#define WQ_STATUS_SUSPENDED            2
+#define WQ_STATUS_CMD_ERROR            3
+#define WQ_STATUS_ENGINE_ID_NOT_USED   4
+#define WQ_STATUS_SUSPENDED_FROM_RESET 5
+#define WQ_TYPE_SHIFT                  0
+#define   WQ_TYPE_BATCH_BUF            (0x1 << WQ_TYPE_SHIFT)
+#define   WQ_TYPE_PSEUDO               (0x2 << WQ_TYPE_SHIFT)
+#define   WQ_TYPE_INORDER              (0x3 << WQ_TYPE_SHIFT)
+#define WQ_TARGET_SHIFT                        10
+#define WQ_LEN_SHIFT                   16
+#define WQ_NO_WCFLUSH_WAIT             (1 << 27)
+#define WQ_PRESENT_WORKLOAD            (1 << 28)
+#define WQ_WORKLOAD_SHIFT              29
+#define   WQ_WORKLOAD_GENERAL          (0 << WQ_WORKLOAD_SHIFT)
+#define   WQ_WORKLOAD_GPGPU            (1 << WQ_WORKLOAD_SHIFT)
+#define   WQ_WORKLOAD_TOUCH            (2 << WQ_WORKLOAD_SHIFT)
+
+#define WQ_RING_TAIL_SHIFT             20
+#define WQ_RING_TAIL_MASK              (0x7FF << WQ_RING_TAIL_SHIFT)
+
+#define GUC_DOORBELL_ENABLED           1
+#define GUC_DOORBELL_DISABLED          0
+
+#define GUC_CTX_DESC_ATTR_ACTIVE       (1 << 0)
+#define GUC_CTX_DESC_ATTR_PENDING_DB   (1 << 1)
+#define GUC_CTX_DESC_ATTR_KERNEL       (1 << 2)
+#define GUC_CTX_DESC_ATTR_PREEMPT      (1 << 3)
+#define GUC_CTX_DESC_ATTR_RESET                (1 << 4)
+#define GUC_CTX_DESC_ATTR_WQLOCKED     (1 << 5)
+#define GUC_CTX_DESC_ATTR_PCH          (1 << 6)
+#define GUC_CTX_DESC_ATTR_TERMINATED   (1 << 7)
+
+/* The guc control data is 10 DWORDs */
+#define GUC_CTL_CTXINFO                        0
+#define   GUC_CTL_CTXNUM_IN16_SHIFT    0
+#define   GUC_CTL_BASE_ADDR_SHIFT      12
+#define GUC_CTL_ARAT_HIGH              1
+#define GUC_CTL_ARAT_LOW               2
+#define GUC_CTL_DEVICE_INFO            3
+#define   GUC_CTL_GTTYPE_SHIFT         0
+#define   GUC_CTL_COREFAMILY_SHIFT     7
+#define GUC_CTL_LOG_PARAMS             4
+#define   GUC_LOG_VALID                        (1 << 0)
+#define   GUC_LOG_NOTIFY_ON_HALF_FULL  (1 << 1)
+#define   GUC_LOG_ALLOC_IN_MEGABYTE    (1 << 3)
+#define   GUC_LOG_CRASH_PAGES          1
+#define   GUC_LOG_CRASH_SHIFT          4
+#define   GUC_LOG_DPC_PAGES            3
+#define   GUC_LOG_DPC_SHIFT            6
+#define   GUC_LOG_ISR_PAGES            3
+#define   GUC_LOG_ISR_SHIFT            9
+#define   GUC_LOG_BUF_ADDR_SHIFT       12
+#define GUC_CTL_PAGE_FAULT_CONTROL     5
+#define GUC_CTL_WA                     6
+#define   GUC_CTL_WA_UK_BY_DRIVER      (1 << 3)
+#define GUC_CTL_FEATURE                        7
+#define   GUC_CTL_VCS2_ENABLED         (1 << 0)
+#define   GUC_CTL_KERNEL_SUBMISSIONS   (1 << 1)
+#define   GUC_CTL_FEATURE2             (1 << 2)
+#define   GUC_CTL_POWER_GATING         (1 << 3)
+#define   GUC_CTL_DISABLE_SCHEDULER    (1 << 4)
+#define   GUC_CTL_PREEMPTION_LOG       (1 << 5)
+#define   GUC_CTL_ENABLE_SLPC          (1 << 7)
+#define   GUC_CTL_RESET_ON_PREMPT_FAILURE      (1 << 8)
+#define GUC_CTL_DEBUG                  8
+#define   GUC_LOG_VERBOSITY_SHIFT      0
+#define   GUC_LOG_VERBOSITY_LOW                (0 << GUC_LOG_VERBOSITY_SHIFT)
+#define   GUC_LOG_VERBOSITY_MED                (1 << GUC_LOG_VERBOSITY_SHIFT)
+#define   GUC_LOG_VERBOSITY_HIGH       (2 << GUC_LOG_VERBOSITY_SHIFT)
+#define   GUC_LOG_VERBOSITY_ULTRA      (3 << GUC_LOG_VERBOSITY_SHIFT)
+/* Verbosity range-check limits, without the shift */
+#define          GUC_LOG_VERBOSITY_MIN         0
+#define          GUC_LOG_VERBOSITY_MAX         3
+#define GUC_CTL_RSRVD                  9
+
+#define GUC_CTL_MAX_DWORDS             (GUC_CTL_RSRVD + 1)
+
+struct guc_doorbell_info {
+       u32 db_status;
+       u32 cookie;
+       u32 reserved[14];
+} __packed;
+
+union guc_doorbell_qw {
+       struct {
+               u32 db_status;
+               u32 cookie;
+       };
+       u64 value_qw;
+} __packed;
+
+#define GUC_MAX_DOORBELLS              256
+#define GUC_INVALID_DOORBELL_ID                (GUC_MAX_DOORBELLS)
+
+#define GUC_DB_SIZE                    (PAGE_SIZE)
+#define GUC_WQ_SIZE                    (PAGE_SIZE * 2)
+
+/* Work item for submitting workloads into work queue of GuC. */
+struct guc_wq_item {
+       u32 header;
+       u32 context_desc;
+       u32 ring_tail;
+       u32 fence_id;
+} __packed;
+
+struct guc_process_desc {
+       u32 context_id;
+       u64 db_base_addr;
+       u32 head;
+       u32 tail;
+       u32 error_offset;
+       u64 wq_base_addr;
+       u32 wq_size_bytes;
+       u32 wq_status;
+       u32 engine_presence;
+       u32 priority;
+       u32 reserved[30];
+} __packed;
+
+/* engine id and context id is packed into guc_execlist_context.context_id*/
+#define GUC_ELC_CTXID_OFFSET           0
+#define GUC_ELC_ENGINE_OFFSET          29
+
+/* The execlist context including software and HW information */
+struct guc_execlist_context {
+       u32 context_desc;
+       u32 context_id;
+       u32 ring_status;
+       u32 ring_lcra;
+       u32 ring_begin;
+       u32 ring_end;
+       u32 ring_next_free_location;
+       u32 ring_current_tail_pointer_value;
+       u8 engine_state_submit_value;
+       u8 engine_state_wait_value;
+       u16 pagefault_count;
+       u16 engine_submit_queue_count;
+} __packed;
+
+/*Context descriptor for communicating between uKernel and Driver*/
+struct guc_context_desc {
+       u32 sched_common_area;
+       u32 context_id;
+       u32 pas_id;
+       u8 engines_used;
+       u64 db_trigger_cpu;
+       u32 db_trigger_uk;
+       u64 db_trigger_phy;
+       u16 db_id;
+
+       struct guc_execlist_context lrc[I915_NUM_RINGS];
+
+       u8 attribute;
+
+       u32 priority;
+
+       u32 wq_sampled_tail_offset;
+       u32 wq_total_submit_enqueues;
+
+       u32 process_desc;
+       u32 wq_addr;
+       u32 wq_size;
+
+       u32 engine_presence;
+
+       u8 engine_suspended;
+
+       u8 reserved0[3];
+       u64 reserved1[1];
+
+       u64 desc_private;
+} __packed;
+
+#define GUC_FORCEWAKE_RENDER   (1 << 0)
+#define GUC_FORCEWAKE_MEDIA    (1 << 1)
+
+#define GUC_POWER_UNSPECIFIED  0
+#define GUC_POWER_D0           1
+#define GUC_POWER_D1           2
+#define GUC_POWER_D2           3
+#define GUC_POWER_D3           4
+
+/* This Action will be programmed in C180 - SOFT_SCRATCH_O_REG */
+enum host2guc_action {
+       HOST2GUC_ACTION_DEFAULT = 0x0,
+       HOST2GUC_ACTION_SAMPLE_FORCEWAKE = 0x6,
+       HOST2GUC_ACTION_ALLOCATE_DOORBELL = 0x10,
+       HOST2GUC_ACTION_DEALLOCATE_DOORBELL = 0x20,
+       HOST2GUC_ACTION_ENTER_S_STATE = 0x501,
+       HOST2GUC_ACTION_EXIT_S_STATE = 0x502,
+       HOST2GUC_ACTION_SLPC_REQUEST = 0x3003,
+       HOST2GUC_ACTION_LIMIT
+};
+
+/*
+ * The GuC sends its response to a command by overwriting the
+ * command in SS0. The response is distinguishable from a command
+ * by the fact that all the MASK bits are set. The remaining bits
+ * give more detail.
+ */
+#define        GUC2HOST_RESPONSE_MASK          ((u32)0xF0000000)
+#define        GUC2HOST_IS_RESPONSE(x)         ((u32)(x) >= GUC2HOST_RESPONSE_MASK)
+#define        GUC2HOST_STATUS(x)              (GUC2HOST_RESPONSE_MASK | (x))
+
+/* GUC will return status back to SOFT_SCRATCH_O_REG */
+enum guc2host_status {
+       GUC2HOST_STATUS_SUCCESS = GUC2HOST_STATUS(0x0),
+       GUC2HOST_STATUS_ALLOCATE_DOORBELL_FAIL = GUC2HOST_STATUS(0x10),
+       GUC2HOST_STATUS_DEALLOCATE_DOORBELL_FAIL = GUC2HOST_STATUS(0x20),
+       GUC2HOST_STATUS_GENERIC_FAIL = GUC2HOST_STATUS(0x0000F000)
+};
+
+#endif