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author | Dani Liberman <dliberman@habana.ai> | 2023-06-20 12:09:17 +0300 |
---|---|---|
committer | Oded Gabbay <ogabbay@kernel.org> | 2023-10-09 12:37:19 +0300 |
commit | 88872790923e2d80edf29a00b4e440f1473fa8f5 (patch) | |
tree | 0266bb75ba473fb2cfdc60689101b8d383300540 /drivers/accel | |
parent | fa46c7bb501b8b649ba17e4a048243b85ba1b1b0 (diff) | |
download | linux-88872790923e2d80edf29a00b4e440f1473fa8f5.tar.gz linux-88872790923e2d80edf29a00b4e440f1473fa8f5.tar.bz2 linux-88872790923e2d80edf29a00b4e440f1473fa8f5.zip |
accel/habanalabs: handle f/w reserved dram space request
It is possible for FW to request reserved space in dram.
If the device supports this option, it will retrieve the size from the
f/w and will reserve it.
Currently we add the common code infrastructure to support it.
Signed-off-by: Dani Liberman <dliberman@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/accel')
-rw-r--r-- | drivers/accel/habanalabs/common/firmware_if.c | 5 | ||||
-rw-r--r-- | drivers/accel/habanalabs/common/habanalabs.h | 4 | ||||
-rw-r--r-- | drivers/accel/habanalabs/include/common/hl_boot_if.h | 5 |
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/accel/habanalabs/common/firmware_if.c b/drivers/accel/habanalabs/common/firmware_if.c index c7da69dbfa0a..2bc775d29854 100644 --- a/drivers/accel/habanalabs/common/firmware_if.c +++ b/drivers/accel/habanalabs/common/firmware_if.c @@ -2783,6 +2783,11 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev, hdev->decoder_binning, hdev->rotator_binning); } + if (hdev->asic_prop.support_dynamic_resereved_fw_size) { + hdev->asic_prop.reserved_fw_mem_size = + le32_to_cpu(fw_loader->dynamic_loader.comm_desc.rsvd_mem_size_mb); + } + return 0; } diff --git a/drivers/accel/habanalabs/common/habanalabs.h b/drivers/accel/habanalabs/common/habanalabs.h index b6b099e8133c..e69b9b195f48 100644 --- a/drivers/accel/habanalabs/common/habanalabs.h +++ b/drivers/accel/habanalabs/common/habanalabs.h @@ -641,6 +641,7 @@ struct hl_hints_range { * @glbl_err_cause_num: global err cause number. * @hbw_flush_reg: register to read to generate HBW flush. value of 0 means HBW flush is * not supported. + * @reserved_fw_mem_size: size in MB of dram memory reserved for FW. * @collective_first_sob: first sync object available for collective use * @collective_first_mon: first monitor available for collective use * @sync_stream_first_sob: first sync object available for sync stream use @@ -689,6 +690,7 @@ struct hl_hints_range { * @dma_mask: the dma mask to be set for this device * @supports_advanced_cpucp_rc: true if new cpucp opcodes are supported. * @supports_engine_modes: true if changing engines/engine_cores modes is supported. + * @support_dynamic_resereved_fw_size: true if we support dynamic reserved size for fw. */ struct asic_fixed_properties { struct hw_queue_properties *hw_queues_props; @@ -772,6 +774,7 @@ struct asic_fixed_properties { u32 num_of_special_blocks; u32 glbl_err_cause_num; u32 hbw_flush_reg; + u32 reserved_fw_mem_size; u16 collective_first_sob; u16 collective_first_mon; u16 sync_stream_first_sob; @@ -808,6 +811,7 @@ struct asic_fixed_properties { u8 dma_mask; u8 supports_advanced_cpucp_rc; u8 supports_engine_modes; + u8 support_dynamic_resereved_fw_size; }; /** diff --git a/drivers/accel/habanalabs/include/common/hl_boot_if.h b/drivers/accel/habanalabs/include/common/hl_boot_if.h index cff79f7f9f75..7de8a5786a36 100644 --- a/drivers/accel/habanalabs/include/common/hl_boot_if.h +++ b/drivers/accel/habanalabs/include/common/hl_boot_if.h @@ -570,6 +570,8 @@ struct lkd_fw_comms_desc { __le64 img_addr; /* address for next FW component load */ struct lkd_fw_binning_info binning_info; struct lkd_fw_ascii_msg ascii_msg[LKD_FW_ASCII_MSG_MAX]; + __le32 rsvd_mem_size_mb; /* reserved memory size [MB] for FW/SVE */ + char reserved1[4]; }; enum comms_reset_cause { @@ -596,6 +598,9 @@ struct lkd_fw_comms_msg { __le64 img_addr; struct lkd_fw_binning_info binning_info; struct lkd_fw_ascii_msg ascii_msg[LKD_FW_ASCII_MSG_MAX]; + /* reserved memory size [MB] for FW/SVE */ + __le32 rsvd_mem_size_mb; + char reserved1[4]; }; struct { __u8 reset_cause; |