* Firmware writes a success/fail code back to the action register after
* processes the request. The kernel driver polls waiting for this update and
* then proceeds.
- * See host2guc_action()
+ * See guc_send()
*
* Doorbells:
* Doorbells are interrupts to uKernel. A doorbell is a single cache line (QW)
* Read GuC command/status register (SOFT_SCRATCH_0)
* Return true if it contains a response rather than a command
*/
-static inline bool host2guc_action_response(struct drm_i915_private *dev_priv,
- u32 *status)
+static inline bool guc_recv(struct drm_i915_private *dev_priv, u32 *status)
{
u32 val = I915_READ(SOFT_SCRATCH(0));
*status = val;
- return GUC2HOST_IS_RESPONSE(val);
+ return INTEL_GUC_RECV_IS_RESPONSE(val);
}
-static int host2guc_action(struct intel_guc *guc, u32 *data, u32 len)
+static int guc_send(struct intel_guc *guc, u32 *data, u32 len)
{
struct drm_i915_private *dev_priv = guc_to_i915(guc);
u32 status;
if (WARN_ON(len < 1 || len > 15))
return -EINVAL;
- mutex_lock(&guc->action_lock);
+ mutex_lock(&guc->send_mutex);
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
dev_priv->guc.action_count += 1;
POSTING_READ(SOFT_SCRATCH(i - 1));
- I915_WRITE(HOST2GUC_INTERRUPT, HOST2GUC_TRIGGER);
+ I915_WRITE(GUC_SEND_INTERRUPT, GUC_SEND_TRIGGER);
/*
* Fast commands should complete in less than 10us, so sample quickly
* up to that length of time, then switch to a slower sleep-wait loop.
- * No HOST2GUC command should ever take longer than 10ms.
+ * No INTEL_GUC_ACTION command should ever take longer than 10ms.
*/
- ret = wait_for_us(host2guc_action_response(dev_priv, &status), 10);
+ ret = wait_for_us(guc_recv(dev_priv, &status), 10);
if (ret)
- ret = wait_for(host2guc_action_response(dev_priv, &status), 10);
- if (status != GUC2HOST_STATUS_SUCCESS) {
+ ret = wait_for(guc_recv(dev_priv, &status), 10);
+ if (status != INTEL_GUC_STATUS_SUCCESS) {
/*
* Either the GuC explicitly returned an error (which
* we convert to -EIO here) or no response at all was
dev_priv->guc.action_status = status;
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
- mutex_unlock(&guc->action_lock);
+ mutex_unlock(&guc->send_mutex);
return ret;
}
* Tell the GuC to allocate or deallocate a specific doorbell
*/
-static int host2guc_allocate_doorbell(struct intel_guc *guc,
- struct i915_guc_client *client)
+static int guc_allocate_doorbell(struct intel_guc *guc,
+ struct i915_guc_client *client)
{
u32 data[2];
- data[0] = HOST2GUC_ACTION_ALLOCATE_DOORBELL;
+ data[0] = INTEL_GUC_ACTION_ALLOCATE_DOORBELL;
data[1] = client->ctx_index;
- return host2guc_action(guc, data, 2);
+ return guc_send(guc, data, 2);
}
-static int host2guc_release_doorbell(struct intel_guc *guc,
- struct i915_guc_client *client)
+static int guc_release_doorbell(struct intel_guc *guc,
+ struct i915_guc_client *client)
{
u32 data[2];
- data[0] = HOST2GUC_ACTION_DEALLOCATE_DOORBELL;
+ data[0] = INTEL_GUC_ACTION_DEALLOCATE_DOORBELL;
data[1] = client->ctx_index;
- return host2guc_action(guc, data, 2);
+ return guc_send(guc, data, 2);
}
-static int host2guc_sample_forcewake(struct intel_guc *guc,
- struct i915_guc_client *client)
+static int guc_sample_forcewake(struct intel_guc *guc,
+ struct i915_guc_client *client)
{
struct drm_i915_private *dev_priv = guc_to_i915(guc);
u32 data[2];
- data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE;
+ data[0] = INTEL_GUC_ACTION_SAMPLE_FORCEWAKE;
/* WaRsDisableCoarsePowerGating:skl,bxt */
if (!intel_enable_rc6() || NEEDS_WaRsDisableCoarsePowerGating(dev_priv))
data[1] = 0;
/* bit 0 and 1 are for Render and Media domain separately */
data[1] = GUC_FORCEWAKE_RENDER | GUC_FORCEWAKE_MEDIA;
- return host2guc_action(guc, data, ARRAY_SIZE(data));
+ return guc_send(guc, data, ARRAY_SIZE(data));
}
-static int host2guc_logbuffer_flush_complete(struct intel_guc *guc)
+static int guc_logbuffer_flush_complete(struct intel_guc *guc)
{
u32 data[1];
- data[0] = HOST2GUC_ACTION_LOG_BUFFER_FILE_FLUSH_COMPLETE;
+ data[0] = INTEL_GUC_ACTION_LOG_BUFFER_FILE_FLUSH_COMPLETE;
- return host2guc_action(guc, data, 1);
+ return guc_send(guc, data, 1);
}
-static int host2guc_force_logbuffer_flush(struct intel_guc *guc)
+static int guc_force_logbuffer_flush(struct intel_guc *guc)
{
u32 data[2];
- data[0] = HOST2GUC_ACTION_FORCE_LOG_BUFFER_FLUSH;
+ data[0] = INTEL_GUC_ACTION_FORCE_LOG_BUFFER_FLUSH;
data[1] = 0;
- return host2guc_action(guc, data, 2);
+ return guc_send(guc, data, 2);
}
-static int host2guc_logging_control(struct intel_guc *guc, u32 control_val)
+static int guc_logging_control(struct intel_guc *guc, u32 control_val)
{
u32 data[2];
- data[0] = HOST2GUC_ACTION_UK_LOG_ENABLE_LOGGING;
+ data[0] = INTEL_GUC_ACTION_UK_LOG_ENABLE_LOGGING;
data[1] = control_val;
- return host2guc_action(guc, data, 2);
+ return guc_send(guc, data, 2);
}
/*
test_bit(client->doorbell_id, doorbell_bitmap)) {
/* Deactivate the old doorbell */
doorbell->db_status = GUC_DOORBELL_DISABLED;
- (void)host2guc_release_doorbell(guc, client);
+ (void)guc_release_doorbell(guc, client);
__clear_bit(client->doorbell_id, doorbell_bitmap);
}
__set_bit(new_id, doorbell_bitmap);
doorbell->cookie = 0;
doorbell->db_status = GUC_DOORBELL_ENABLED;
- return host2guc_allocate_doorbell(guc, client);
+ return guc_allocate_doorbell(guc, client);
}
static int guc_init_doorbell(struct intel_guc *guc,
* Select, assign and relase doorbell cachelines
*
* These functions track which doorbell cachelines are in use.
- * The data they manipulate is protected by the host2guc lock.
+ * The data they manipulate is protected by the guc_send lock.
*/
static uint32_t select_doorbell_cacheline(struct intel_guc *guc)
guc->ctx_pool_vma = vma;
ida_init(&guc->ctx_ids);
- mutex_init(&guc->action_lock);
+ mutex_init(&guc->send_mutex);
guc_log_create(guc);
guc_addon_create(guc);
}
guc->execbuf_client = client;
- host2guc_sample_forcewake(guc, client);
+ guc_sample_forcewake(guc, client);
guc_init_doorbell_hw(guc);
/* Take over from manual control of ELSP (execlists) */
ctx = dev_priv->kernel_context;
- data[0] = HOST2GUC_ACTION_ENTER_S_STATE;
+ data[0] = INTEL_GUC_ACTION_ENTER_S_STATE;
/* any value greater than GUC_POWER_D0 */
data[1] = GUC_POWER_D1;
/* first page is shared data with GuC */
data[2] = i915_ggtt_offset(ctx->engine[RCS].state);
- return host2guc_action(guc, data, ARRAY_SIZE(data));
+ return guc_send(guc, data, ARRAY_SIZE(data));
}
ctx = dev_priv->kernel_context;
- data[0] = HOST2GUC_ACTION_EXIT_S_STATE;
+ data[0] = INTEL_GUC_ACTION_EXIT_S_STATE;
data[1] = GUC_POWER_D0;
/* first page is shared data with GuC */
data[2] = i915_ggtt_offset(ctx->engine[RCS].state);
- return host2guc_action(guc, data, ARRAY_SIZE(data));
+ return guc_send(guc, data, ARRAY_SIZE(data));
}
void i915_guc_capture_logs(struct drm_i915_private *dev_priv)
* time, so get/put should be really quick.
*/
intel_runtime_pm_get(dev_priv);
- host2guc_logbuffer_flush_complete(&dev_priv->guc);
+ guc_logbuffer_flush_complete(&dev_priv->guc);
intel_runtime_pm_put(dev_priv);
}
flush_work(&dev_priv->guc.log.flush_work);
/* Ask GuC to update the log buffer state */
- host2guc_force_logbuffer_flush(&dev_priv->guc);
+ guc_force_logbuffer_flush(&dev_priv->guc);
/* GuC would have updated log buffer by now, so capture it */
i915_guc_capture_logs(dev_priv);
if (!log_param.logging_enabled && (i915.guc_log_level < 0))
return 0;
- ret = host2guc_logging_control(&dev_priv->guc, log_param.value);
+ ret = guc_logging_control(&dev_priv->guc, log_param.value);
if (ret < 0) {
- DRM_DEBUG_DRIVER("host2guc action failed %d\n", ret);
+ DRM_DEBUG_DRIVER("guc_logging_control action failed %d\n", ret);
return ret;
}
} __packed;
/* 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_LOG_BUFFER_FILE_FLUSH_COMPLETE = 0x30,
- HOST2GUC_ACTION_FORCE_LOG_BUFFER_FLUSH = 0x302,
- HOST2GUC_ACTION_ENTER_S_STATE = 0x501,
- HOST2GUC_ACTION_EXIT_S_STATE = 0x502,
- HOST2GUC_ACTION_SLPC_REQUEST = 0x3003,
- HOST2GUC_ACTION_UK_LOG_ENABLE_LOGGING = 0x0E000,
- HOST2GUC_ACTION_LIMIT
+enum intel_guc_action {
+ INTEL_GUC_ACTION_DEFAULT = 0x0,
+ INTEL_GUC_ACTION_SAMPLE_FORCEWAKE = 0x6,
+ INTEL_GUC_ACTION_ALLOCATE_DOORBELL = 0x10,
+ INTEL_GUC_ACTION_DEALLOCATE_DOORBELL = 0x20,
+ INTEL_GUC_ACTION_LOG_BUFFER_FILE_FLUSH_COMPLETE = 0x30,
+ INTEL_GUC_ACTION_FORCE_LOG_BUFFER_FLUSH = 0x302,
+ INTEL_GUC_ACTION_ENTER_S_STATE = 0x501,
+ INTEL_GUC_ACTION_EXIT_S_STATE = 0x502,
+ INTEL_GUC_ACTION_SLPC_REQUEST = 0x3003,
+ INTEL_GUC_ACTION_UK_LOG_ENABLE_LOGGING = 0x0E000,
+ INTEL_GUC_ACTION_LIMIT
};
/*
* 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))
+#define INTEL_GUC_RECV_MASK ((u32)0xF0000000)
+#define INTEL_GUC_RECV_IS_RESPONSE(x) ((u32)(x) >= INTEL_GUC_RECV_MASK)
+#define INTEL_GUC_RECV_STATUS(x) (INTEL_GUC_RECV_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)
+enum intel_guc_status {
+ INTEL_GUC_STATUS_SUCCESS = INTEL_GUC_RECV_STATUS(0x0),
+ INTEL_GUC_STATUS_ALLOCATE_DOORBELL_FAIL = INTEL_GUC_RECV_STATUS(0x10),
+ INTEL_GUC_STATUS_DEALLOCATE_DOORBELL_FAIL = INTEL_GUC_RECV_STATUS(0x20),
+ INTEL_GUC_STATUS_GENERIC_FAIL = INTEL_GUC_RECV_STATUS(0x0000F000)
};
/* This action will be programmed in C1BC - SOFT_SCRATCH_15_REG */
-enum guc2host_message {
- GUC2HOST_MSG_CRASH_DUMP_POSTED = (1 << 1),
- GUC2HOST_MSG_FLUSH_LOG_BUFFER = (1 << 3)
+enum intel_guc_recv_message {
+ INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED = BIT(1),
+ INTEL_GUC_RECV_MSG_FLUSH_LOG_BUFFER = BIT(3)
};
#endif
projects / platform / kernel / linux-exynos.git / commitdiff