Commit e1fa724d authored by Ofir Bitton's avatar Ofir Bitton Committed by Oded Gabbay
Browse files

habanalabs: add user available interrupt to hw_ip 



In order to support completions that arrive directly to the user,
the driver needs to supply the user with the first available msix
interrupt available.

Signed-off-by: default avatarOfir Bitton <obitton@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 8d79ce16

drivers/misc/habanalabs/common/habanalabs.h

+3 −0
Original line number Diff line number Diff line
@@ -408,6 +408,8 @@ struct hl_mmu_properties { 
 * @sync_stream_first_mon: first monitor available for sync stream use

 * @first_available_user_sob: first sob available for the user

 * @first_available_user_mon: first monitor available for the user

 * @first_available_user_msix_interrupt: first available msix interrupt

 *                                       reserved 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,
@@ -469,6 +471,7 @@ struct asic_fixed_properties { 
	u16				sync_stream_first_mon;

	u16				first_available_user_sob[HL_MAX_DCORES];

	u16				first_available_user_mon[HL_MAX_DCORES];

	u16				first_available_user_msix_interrupt;

	u8				tpc_enabled_mask;

	u8				completion_queues_count;

	u8				fw_security_disabled;

drivers/misc/habanalabs/common/habanalabs_ioctl.c

+2 −0
Original line number Diff line number Diff line
@@ -90,6 +90,8 @@ static int hw_ip_info(struct hl_device *hdev, struct hl_info_args *args) 
	hw_ip.psoc_pci_pll_od = prop->psoc_pci_pll_od;

	hw_ip.psoc_pci_pll_div_factor = prop->psoc_pci_pll_div_factor;



	hw_ip.first_available_interrupt_id =

			prop->first_available_user_msix_interrupt;

	return copy_to_user(out, &hw_ip,

		min((size_t)size, sizeof(hw_ip))) ? -EFAULT : 0;

}

drivers/misc/habanalabs/gaudi/gaudi.c

+2 −0
Original line number Diff line number Diff line
@@ -527,6 +527,8 @@ static int gaudi_get_fixed_properties(struct hl_device *hdev) 
			prop->sync_stream_first_mon +

			(num_sync_stream_queues * HL_RSVD_MONS);



	prop->first_available_user_msix_interrupt = USHRT_MAX;



	/* disable fw security for now, set it in a later stage */

	prop->fw_security_disabled = true;

	prop->fw_security_status_valid = false;

drivers/misc/habanalabs/goya/goya.c

+2 −0
Original line number Diff line number Diff line
@@ -455,6 +455,8 @@ int goya_get_fixed_properties(struct hl_device *hdev) 


	prop->max_pending_cs = GOYA_MAX_PENDING_CS;



	prop->first_available_user_msix_interrupt = USHRT_MAX;



	/* disable fw security for now, set it in a later stage */

	prop->fw_security_disabled = true;

	prop->fw_security_status_valid = false;

include/uapi/misc/habanalabs.h

+4 −2
Original line number Diff line number Diff line
@@ -309,7 +309,9 @@ struct hl_info_hw_ip_info { 
	__u32 num_of_events;

	__u32 device_id; /* PCI Device ID */

	__u32 module_id; /* For mezzanine cards in servers (From OCP spec.) */

	__u32 reserved[2];

	__u32 reserved;

	__u16 first_available_interrupt_id;

	__u16 reserved2;

	__u32 cpld_version;

	__u32 psoc_pci_pll_nr;

	__u32 psoc_pci_pll_nf;
@@ -320,7 +322,7 @@ struct hl_info_hw_ip_info { 
	__u8 pad[2];

	__u8 cpucp_version[HL_INFO_VERSION_MAX_LEN];

	__u8 card_name[HL_INFO_CARD_NAME_MAX_LEN];

	__u64 reserved2;

	__u64 reserved3;

	__u64 dram_page_size;

};