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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/misc/habanalabs/include/common/qman_if.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/misc/habanalabs/include/common/qman_if.h')
-rw-r--r-- | drivers/misc/habanalabs/include/common/qman_if.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/include/common/qman_if.h b/drivers/misc/habanalabs/include/common/qman_if.h new file mode 100644 index 000000000..7ed773957 --- /dev/null +++ b/drivers/misc/habanalabs/include/common/qman_if.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0 + * + * Copyright 2016-2018 HabanaLabs, Ltd. + * All Rights Reserved. + * + */ + +#ifndef QMAN_IF_H +#define QMAN_IF_H + +#include <linux/types.h> + +/* + * PRIMARY QUEUE + */ + +struct hl_bd { + __le64 ptr; + __le32 len; + __le32 ctl; +}; + +#define HL_BD_SIZE sizeof(struct hl_bd) + +/* + * S/W CTL FIELDS. + * + * BD_CTL_REPEAT_VALID tells the CP whether the repeat field in the BD CTL is + * valid. 1 means the repeat field is valid, 0 means not-valid, + * i.e. repeat == 1 + */ +#define BD_CTL_REPEAT_VALID_SHIFT 24 +#define BD_CTL_REPEAT_VALID_MASK 0x01000000 + +#define BD_CTL_SHADOW_INDEX_SHIFT 0 +#define BD_CTL_SHADOW_INDEX_MASK 0x00000FFF + +/* + * H/W CTL FIELDS + */ + +#define BD_CTL_COMP_OFFSET_SHIFT 16 +#define BD_CTL_COMP_OFFSET_MASK 0x0FFF0000 + +#define BD_CTL_COMP_DATA_SHIFT 0 +#define BD_CTL_COMP_DATA_MASK 0x0000FFFF + +/* + * COMPLETION QUEUE + */ + +struct hl_cq_entry { + __le32 data; +}; + +#define HL_CQ_ENTRY_SIZE sizeof(struct hl_cq_entry) + +#define CQ_ENTRY_READY_SHIFT 31 +#define CQ_ENTRY_READY_MASK 0x80000000 + +#define CQ_ENTRY_SHADOW_INDEX_VALID_SHIFT 30 +#define CQ_ENTRY_SHADOW_INDEX_VALID_MASK 0x40000000 + +#define CQ_ENTRY_SHADOW_INDEX_SHIFT BD_CTL_SHADOW_INDEX_SHIFT +#define CQ_ENTRY_SHADOW_INDEX_MASK BD_CTL_SHADOW_INDEX_MASK + + +#endif /* QMAN_IF_H */ |