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xrt_mem: expand use bitfield from 4 to 5 bits, add new use values #10149

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Merged
stsoe merged 1 commit into from
Oct 29, 2026
Merged

xrt_mem: expand use bitfield from 4 to 5 bits, add new use values #10149

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15 changes: 13 additions & 2 deletions src/runtime_src/core/include/xrt/detail/xrt_mem.h
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Original file line number Diff line number Diff line change
Expand Up @@ -49,8 +49,8 @@ struct xcl_bo_flags
// extension
uint32_t access : 2; // [33-32]
uint32_t dir : 2; // [35-34]
uint32_t use : 4; // [39-36]
uint32_t unused : 24; // [63-40]
uint32_t use : 5; // [40-36]
uint32_t unused : 23; // [63-41]
};
};
};
Expand Down Expand Up @@ -137,6 +137,14 @@ struct xcl_bo_flags
*
* XRT_BO_USE_CTRLPKT indicates that the buffer will be used to hold
* control packets for firmware.
*
* XRT_BO_USE_HASBO indicates the buffer will be used as a user queue
* for sending commands to firmware.
*
* XRT_BO_USE_CRASHDUMP is a special BO used as crashdump buffer.
*
* XRT_BO_USE_HEALTHBO indicates the buffer will be used to exchange
* healtdata between userspace and firmware.
*/

// This file is used in driver as well, so using #define instead of
Expand All @@ -157,6 +165,9 @@ struct xcl_bo_flags
#define XRT_BO_USE_CTRL_SCRATCH_PAD 11
#define XRT_BO_USE_PDI 12
#define XRT_BO_USE_CTRLPKT 13
#define XRT_BO_USE_HSABO 14
#define XRT_BO_USE_CRASHDUMP 15
#define XRT_BO_USE_HEALTHBO 16
// NOLINTEND

/**
Expand Down
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