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habanalabs: support fetching first available user CQ 

User must be aware of the available CQs when it needs to use them.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton 2021-01-27 16:34:37 +02:00 committed by Oded Gabbay
parent 5dbd7b4de6
commit e52606d2f5
5 changed files with 13 additions and 1 deletions
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2
drivers/misc/habanalabs/common/habanalabs.h
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@ -411,6 +411,7 @@ struct hl_mmu_properties {
* @first_available_user_mon: first monitor available for the user
* @first_available_user_msix_interrupt: first available msix interrupt
* reserved for the user
* @first_available_cq: first available CQ for the user.
* @tpc_enabled_mask: which TPCs are enabled.
* @completion_queues_count: number of completion queues.
* @fw_security_disabled: true if security measures are disabled in firmware,
@ -475,6 +476,7 @@ struct asic_fixed_properties {
u16 first_available_user_sob[HL_MAX_DCORES];
u16 first_available_user_mon[HL_MAX_DCORES];
u16 first_available_user_msix_interrupt;
u16 first_available_cq[HL_MAX_DCORES];
u8 tpc_enabled_mask;
u8 completion_queues_count;
u8 fw_security_disabled;

3
drivers/misc/habanalabs/common/habanalabs_ioctl.c
View File

@ -397,7 +397,8 @@ static int sync_manager_info(struct hl_fpriv *hpriv, struct hl_info_args *args)
prop->first_available_user_sob[args->dcore_id];
sm_info.first_available_monitor =
prop->first_available_user_mon[args->dcore_id];
sm_info.first_available_cq =
prop->first_available_cq[args->dcore_id];
return copy_to_user(out, &sm_info, min_t(size_t, (size_t) max_size,
sizeof(sm_info))) ? -EFAULT : 0;

3
drivers/misc/habanalabs/gaudi/gaudi.c
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@ -529,6 +529,9 @@ static int gaudi_get_fixed_properties(struct hl_device *hdev)
prop->first_available_user_msix_interrupt = USHRT_MAX;
for (i = 0 ; i < HL_MAX_DCORES ; i++)
prop->first_available_cq[i] = USHRT_MAX;
/* disable fw security for now, set it in a later stage */
prop->fw_security_disabled = true;
prop->fw_security_status_valid = false;

3
drivers/misc/habanalabs/goya/goya.c
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@ -457,6 +457,9 @@ int goya_get_fixed_properties(struct hl_device *hdev)
prop->first_available_user_msix_interrupt = USHRT_MAX;
for (i = 0 ; i < HL_MAX_DCORES ; i++)
prop->first_available_cq[i] = USHRT_MAX;
/* disable fw security for now, set it in a later stage */
prop->fw_security_disabled = true;
prop->fw_security_status_valid = false;

3
include/uapi/misc/habanalabs.h
View File

@ -414,10 +414,13 @@ struct hl_pll_frequency_info {
* struct hl_info_sync_manager - sync manager information
* @first_available_sync_object: first available sob
* @first_available_monitor: first available monitor
* @first_available_cq: first available cq
*/
struct hl_info_sync_manager {
__u32 first_available_sync_object;
__u32 first_available_monitor;
__u32 first_available_cq;
__u32 reserved;
};
/**