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path: root/drivers/gpu/drm/i915/gt/intel_lrc.h
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Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_lrc.h')
-rw-r--r--drivers/gpu/drm/i915/gt/intel_lrc.h39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.h b/drivers/gpu/drm/i915/gt/intel_lrc.h
index c2bba82bcc16..04511d8ebdc1 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.h
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.h
@@ -43,6 +43,7 @@ struct intel_engine_cs;
#define CTX_CTRL_ENGINE_CTX_RESTORE_INHIBIT (1 << 0)
#define CTX_CTRL_RS_CTX_ENABLE (1 << 1)
#define CTX_CTRL_ENGINE_CTX_SAVE_INHIBIT (1 << 2)
+#define GEN12_CTX_CTRL_OAR_CONTEXT_ENABLE (1 << 8)
#define RING_CONTEXT_STATUS_PTR(base) _MMIO((base) + 0x3a0)
#define RING_EXECLIST_SQ_CONTENTS(base) _MMIO((base) + 0x510)
#define RING_EXECLIST_CONTROL(base) _MMIO((base) + 0x550)
@@ -66,6 +67,12 @@ struct intel_engine_cs;
#define GEN11_CSB_READ_PTR_MASK (GEN11_CSB_PTR_MASK << 8)
#define GEN11_CSB_WRITE_PTR_MASK (GEN11_CSB_PTR_MASK << 0)
+#define MAX_CONTEXT_HW_ID (1<<21) /* exclusive */
+#define MAX_GUC_CONTEXT_HW_ID (1 << 20) /* exclusive */
+#define GEN11_MAX_CONTEXT_HW_ID (1<<11) /* exclusive */
+/* in Gen12 ID 0x7FF is reserved to indicate idle */
+#define GEN12_MAX_CONTEXT_HW_ID (GEN11_MAX_CONTEXT_HW_ID - 1)
+
enum {
INTEL_CONTEXT_SCHEDULE_IN = 0,
INTEL_CONTEXT_SCHEDULE_OUT,
@@ -79,30 +86,15 @@ int intel_execlists_submission_setup(struct intel_engine_cs *engine);
int intel_execlists_submission_init(struct intel_engine_cs *engine);
/* Logical Ring Contexts */
-
-/*
- * We allocate a header at the start of the context image for our own
- * use, therefore the actual location of the logical state is offset
- * from the start of the VMA. The layout is
- *
- * | [guc] | [hwsp] [logical state] |
- * |<- our header ->|<- context image ->|
- *
- */
-/* The first page is used for sharing data with the GuC */
-#define LRC_GUCSHR_PN (0)
-#define LRC_GUCSHR_SZ (1)
/* At the start of the context image is its per-process HWS page */
-#define LRC_PPHWSP_PN (LRC_GUCSHR_PN + LRC_GUCSHR_SZ)
+#define LRC_PPHWSP_PN (0)
#define LRC_PPHWSP_SZ (1)
-/* Finally we have the logical state for the context */
+/* After the PPHWSP we have the logical state for the context */
#define LRC_STATE_PN (LRC_PPHWSP_PN + LRC_PPHWSP_SZ)
-/*
- * Currently we include the PPHWSP in __intel_engine_context_size() so
- * the size of the header is synonymous with the start of the PPHWSP.
- */
-#define LRC_HEADER_PAGES LRC_PPHWSP_PN
+/* Space within PPHWSP reserved to be used as scratch */
+#define LRC_PPHWSP_SCRATCH 0x34
+#define LRC_PPHWSP_SCRATCH_ADDR (LRC_PPHWSP_SCRATCH * sizeof(u32))
void intel_execlists_set_default_submission(struct intel_engine_cs *engine);
@@ -131,4 +123,11 @@ int intel_virtual_engine_attach_bond(struct intel_engine_cs *engine,
const struct intel_engine_cs *master,
const struct intel_engine_cs *sibling);
+struct intel_engine_cs *
+intel_virtual_engine_get_sibling(struct intel_engine_cs *engine,
+ unsigned int sibling);
+
+bool
+intel_engine_in_execlists_submission_mode(const struct intel_engine_cs *engine);
+
#endif /* _INTEL_LRC_H_ */