/* seqno size is actually only a uint32, but since we plan to use MI_FLUSH_DW to
* do the writes, and that must have qw aligned offsets, simply pretend it's 8b.
*/
-#define i915_semaphore_seqno_size sizeof(uint64_t)
+#define gen8_semaphore_seqno_size sizeof(uint64_t)
+#define GEN8_SEMAPHORE_OFFSET(__from, __to) \
+ (((__from) * I915_NUM_ENGINES + (__to)) * gen8_semaphore_seqno_size)
#define GEN8_SIGNAL_OFFSET(__ring, to) \
(i915_gem_obj_ggtt_offset(dev_priv->semaphore_obj) + \
- ((__ring)->id * I915_NUM_RINGS * i915_semaphore_seqno_size) + \
- (i915_semaphore_seqno_size * (to)))
-
+ GEN8_SEMAPHORE_OFFSET((__ring)->id, (to)))
#define GEN8_WAIT_OFFSET(__ring, from) \
(i915_gem_obj_ggtt_offset(dev_priv->semaphore_obj) + \
- ((from) * I915_NUM_RINGS * i915_semaphore_seqno_size) + \
- (i915_semaphore_seqno_size * (__ring)->id))
+ GEN8_SEMAPHORE_OFFSET(from, (__ring)->id))
-#define GEN8_RING_SEMAPHORE_INIT do { \
+#define GEN8_RING_SEMAPHORE_INIT(e) do { \
if (!dev_priv->semaphore_obj) { \
break; \
} \
- ring->semaphore.signal_ggtt[RCS] = GEN8_SIGNAL_OFFSET(ring, RCS); \
- ring->semaphore.signal_ggtt[VCS] = GEN8_SIGNAL_OFFSET(ring, VCS); \
- ring->semaphore.signal_ggtt[BCS] = GEN8_SIGNAL_OFFSET(ring, BCS); \
- ring->semaphore.signal_ggtt[VECS] = GEN8_SIGNAL_OFFSET(ring, VECS); \
- ring->semaphore.signal_ggtt[VCS2] = GEN8_SIGNAL_OFFSET(ring, VCS2); \
- ring->semaphore.signal_ggtt[ring->id] = MI_SEMAPHORE_SYNC_INVALID; \
+ (e)->semaphore.signal_ggtt[RCS] = GEN8_SIGNAL_OFFSET((e), RCS); \
+ (e)->semaphore.signal_ggtt[VCS] = GEN8_SIGNAL_OFFSET((e), VCS); \
+ (e)->semaphore.signal_ggtt[BCS] = GEN8_SIGNAL_OFFSET((e), BCS); \
+ (e)->semaphore.signal_ggtt[VECS] = GEN8_SIGNAL_OFFSET((e), VECS); \
+ (e)->semaphore.signal_ggtt[VCS2] = GEN8_SIGNAL_OFFSET((e), VCS2); \
+ (e)->semaphore.signal_ggtt[(e)->id] = MI_SEMAPHORE_SYNC_INVALID; \
} while(0)
enum intel_ring_hangcheck_action {
HANGCHECK_IDLE = 0,
HANGCHECK_WAIT,
HANGCHECK_ACTIVE,
- HANGCHECK_ACTIVE_LOOP,
HANGCHECK_KICK,
HANGCHECK_HUNG,
};
struct intel_ring_hangcheck {
u64 acthd;
- u64 max_acthd;
u32 seqno;
+ unsigned user_interrupts;
int score;
enum intel_ring_hangcheck_action action;
int deadlock;
void __iomem *virtual_start;
struct i915_vma *vma;
- struct intel_engine_cs *ring;
+ struct intel_engine_cs *engine;
struct list_head link;
u32 head;
int size;
int effective_size;
int reserved_size;
- int reserved_tail;
- bool reserved_in_use;
/** We track the position of the requests in the ring buffer, and
* when each is retired we increment last_retired_head as the GPU
};
struct intel_context;
-struct drm_i915_reg_descriptor;
+struct drm_i915_reg_table;
/*
* we use a single page to load ctx workarounds so all of these
struct intel_engine_cs {
const char *name;
- enum intel_ring_id {
+ enum intel_engine_id {
RCS = 0,
BCS,
VCS,
VCS2, /* Keep instances of the same type engine together. */
VECS
} id;
-#define I915_NUM_RINGS 5
+#define I915_NUM_ENGINES 5
#define _VCS(n) (VCS + (n))
unsigned int exec_id;
- unsigned int guc_id;
+ unsigned int hw_id;
+ unsigned int guc_id; /* XXX same as hw_id? */
u32 mmio_base;
struct drm_device *dev;
struct intel_ringbuffer *buffer;
* seen value is good enough. Note that the seqno will always be
* monotonic, even if not coherent.
*/
- u32 (*get_seqno)(struct intel_engine_cs *ring,
- bool lazy_coherency);
+ void (*irq_seqno_barrier)(struct intel_engine_cs *ring);
+ u32 (*get_seqno)(struct intel_engine_cs *ring);
void (*set_seqno)(struct intel_engine_cs *ring,
u32 seqno);
int (*dispatch_execbuffer)(struct drm_i915_gem_request *req,
* ie. transpose of f(x, y)
*/
struct {
- u32 sync_seqno[I915_NUM_RINGS-1];
+ u32 sync_seqno[I915_NUM_ENGINES-1];
union {
struct {
/* our mbox written by others */
- u32 wait[I915_NUM_RINGS];
+ u32 wait[I915_NUM_ENGINES];
/* mboxes this ring signals to */
- i915_reg_t signal[I915_NUM_RINGS];
+ i915_reg_t signal[I915_NUM_ENGINES];
} mbox;
- u64 signal_ggtt[I915_NUM_RINGS];
+ u64 signal_ggtt[I915_NUM_ENGINES];
};
/* AKA wait() */
} semaphore;
/* Execlists */
- spinlock_t execlist_lock;
+ struct tasklet_struct irq_tasklet;
+ spinlock_t execlist_lock; /* used inside tasklet, use spin_lock_bh */
struct list_head execlist_queue;
struct list_head execlist_retired_req_list;
- u8 next_context_status_buffer;
+ unsigned int fw_domains;
+ unsigned int next_context_status_buffer;
+ unsigned int idle_lite_restore_wa;
bool disable_lite_restore_wa;
u32 ctx_desc_template;
u32 irq_keep_mask; /* bitmask for interrupts that should not be masked */
* inspecting request list.
*/
u32 last_submitted_seqno;
+ unsigned user_interrupts;
bool gpu_caches_dirty;
/*
* Table of registers allowed in commands that read/write registers.
*/
- const struct drm_i915_reg_descriptor *reg_table;
- int reg_count;
-
- /*
- * Table of registers allowed in commands that read/write registers, but
- * only from the DRM master.
- */
- const struct drm_i915_reg_descriptor *master_reg_table;
- int master_reg_count;
+ const struct drm_i915_reg_table *reg_tables;
+ int reg_table_count;
/*
* Returns the bitmask for the length field of the specified command.
};
static inline bool
-intel_ring_initialized(struct intel_engine_cs *ring)
+intel_engine_initialized(struct intel_engine_cs *engine)
{
- return ring->dev != NULL;
+ return engine->dev != NULL;
}
static inline unsigned
-intel_ring_flag(struct intel_engine_cs *ring)
+intel_engine_flag(struct intel_engine_cs *engine)
{
- return 1 << ring->id;
+ return 1 << engine->id;
}
static inline u32
-intel_ring_sync_index(struct intel_engine_cs *ring,
+intel_ring_sync_index(struct intel_engine_cs *engine,
struct intel_engine_cs *other)
{
int idx;
* vcs2 -> 0 = rcs, 1 = vcs, 2 = bcs, 3 = vecs;
*/
- idx = (other - ring) - 1;
+ idx = (other - engine) - 1;
if (idx < 0)
- idx += I915_NUM_RINGS;
+ idx += I915_NUM_ENGINES;
return idx;
}
static inline void
-intel_flush_status_page(struct intel_engine_cs *ring, int reg)
+intel_flush_status_page(struct intel_engine_cs *engine, int reg)
{
- drm_clflush_virt_range(&ring->status_page.page_addr[reg],
- sizeof(uint32_t));
+ mb();
+ clflush(&engine->status_page.page_addr[reg]);
+ mb();
}
static inline u32
-intel_read_status_page(struct intel_engine_cs *ring,
- int reg)
+intel_read_status_page(struct intel_engine_cs *engine, int reg)
{
/* Ensure that the compiler doesn't optimize away the load. */
- barrier();
- return ring->status_page.page_addr[reg];
+ return READ_ONCE(engine->status_page.page_addr[reg]);
}
static inline void
-intel_write_status_page(struct intel_engine_cs *ring,
+intel_write_status_page(struct intel_engine_cs *engine,
int reg, u32 value)
{
- ring->status_page.page_addr[reg] = value;
+ engine->status_page.page_addr[reg] = value;
}
/*
void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf);
void intel_ringbuffer_free(struct intel_ringbuffer *ring);
-void intel_stop_ring_buffer(struct intel_engine_cs *ring);
-void intel_cleanup_ring_buffer(struct intel_engine_cs *ring);
+void intel_stop_engine(struct intel_engine_cs *engine);
+void intel_cleanup_engine(struct intel_engine_cs *engine);
int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request);
int __must_check intel_ring_begin(struct drm_i915_gem_request *req, int n);
int __must_check intel_ring_cacheline_align(struct drm_i915_gem_request *req);
-static inline void intel_ring_emit(struct intel_engine_cs *ring,
+static inline void intel_ring_emit(struct intel_engine_cs *engine,
u32 data)
{
- struct intel_ringbuffer *ringbuf = ring->buffer;
+ struct intel_ringbuffer *ringbuf = engine->buffer;
iowrite32(data, ringbuf->virtual_start + ringbuf->tail);
ringbuf->tail += 4;
}
-static inline void intel_ring_emit_reg(struct intel_engine_cs *ring,
+static inline void intel_ring_emit_reg(struct intel_engine_cs *engine,
i915_reg_t reg)
{
- intel_ring_emit(ring, i915_mmio_reg_offset(reg));
+ intel_ring_emit(engine, i915_mmio_reg_offset(reg));
}
-static inline void intel_ring_advance(struct intel_engine_cs *ring)
+static inline void intel_ring_advance(struct intel_engine_cs *engine)
{
- struct intel_ringbuffer *ringbuf = ring->buffer;
+ struct intel_ringbuffer *ringbuf = engine->buffer;
ringbuf->tail &= ringbuf->size - 1;
}
int __intel_ring_space(int head, int tail, int size);
void intel_ring_update_space(struct intel_ringbuffer *ringbuf);
-int intel_ring_space(struct intel_ringbuffer *ringbuf);
-bool intel_ring_stopped(struct intel_engine_cs *ring);
+bool intel_engine_stopped(struct intel_engine_cs *engine);
-int __must_check intel_ring_idle(struct intel_engine_cs *ring);
-void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno);
+int __must_check intel_engine_idle(struct intel_engine_cs *engine);
+void intel_ring_init_seqno(struct intel_engine_cs *engine, u32 seqno);
int intel_ring_flush_all_caches(struct drm_i915_gem_request *req);
int intel_ring_invalidate_all_caches(struct drm_i915_gem_request *req);
-void intel_fini_pipe_control(struct intel_engine_cs *ring);
-int intel_init_pipe_control(struct intel_engine_cs *ring);
+void intel_fini_pipe_control(struct intel_engine_cs *engine);
+int intel_init_pipe_control(struct intel_engine_cs *engine);
int intel_init_render_ring_buffer(struct drm_device *dev);
int intel_init_bsd_ring_buffer(struct drm_device *dev);
int intel_init_blt_ring_buffer(struct drm_device *dev);
int intel_init_vebox_ring_buffer(struct drm_device *dev);
-u64 intel_ring_get_active_head(struct intel_engine_cs *ring);
+u64 intel_ring_get_active_head(struct intel_engine_cs *engine);
-int init_workarounds_ring(struct intel_engine_cs *ring);
+int init_workarounds_ring(struct intel_engine_cs *engine);
static inline u32 intel_ring_get_tail(struct intel_ringbuffer *ringbuf)
{
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