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| author | Tomer Tayar <ttayar@habana.ai> | 2021-12-16 16:31:18 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-12-26 14:39:53 +0200 |
| commit | f297a0e9fe7d4b4d8a24d2ce97446f2faaf9d51b (patch) | |
| tree | 58822a5158aebb7f41d730ec94852579d2a4eefe /drivers/misc/habanalabs/include/common | |
| parent | 519f4ed0a09cdf3834c5cbde1416acd9a979a709 (diff) | |
| download | lwn-f297a0e9fe7d4b4d8a24d2ce97446f2faaf9d51b.tar.gz lwn-f297a0e9fe7d4b4d8a24d2ce97446f2faaf9d51b.zip | |
habanalabs: add CPU-CP packet for engine core ASID cfg
In some cases the driver cannot configure ASID of some engines due to
the security level of the relevant registers.
For this a new CPU-CP packet is introduced, which will allow the driver
to ask the F/W to do this configuration instead.
Signed-off-by: Tomer Tayar <ttayar@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/include/common')
| -rw-r--r-- | drivers/misc/habanalabs/include/common/cpucp_if.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/include/common/cpucp_if.h b/drivers/misc/habanalabs/include/common/cpucp_if.h index 0114cb52faad..737c39f33f05 100644 --- a/drivers/misc/habanalabs/include/common/cpucp_if.h +++ b/drivers/misc/habanalabs/include/common/cpucp_if.h @@ -386,6 +386,9 @@ enum pq_init_status { * * CPUCP_PACKET_POWER_SET - * Resets power history of device to 0 + * + * CPUCP_PACKET_ENGINE_CORE_ASID_SET - + * Packet to perform engine core ASID configuration */ enum cpucp_packet_id { @@ -434,6 +437,8 @@ enum cpucp_packet_id { CPUCP_PACKET_HBM_REPLACED_ROWS_INFO_GET,/* internal */ CPUCP_PACKET_HBM_PENDING_ROWS_STATUS, /* internal */ CPUCP_PACKET_POWER_SET, /* internal */ + CPUCP_PACKET_RESERVED, /* not used */ + CPUCP_PACKET_ENGINE_CORE_ASID_SET, /* internal */ }; #define CPUCP_PACKET_FENCE_VAL 0xFE8CE7A5 |