public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

habanalabs: add user available interrupt to hw_ip

Browse source 
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: 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 2021-01-06 15:40:37 +02:00 • committed by Oded Gabbay
parent 8d79ce162e
commit e1fa724dd1
5 changed files with 13 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/misc/habanalabs/common/habanalabs.h
View file

@ -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;

2
drivers/misc/habanalabs/common/habanalabs_ioctl.c
View file

@ -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;
}

2
drivers/misc/habanalabs/gaudi/gaudi.c
View file

@ -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;

2
drivers/misc/habanalabs/goya/goya.c
View file

@ -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;

6
include/uapi/misc/habanalabs.h
View file

@ -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;
};