[PATCH 13/83] hsa/radeon: Add 2 new IOCTL to kfd, CREATE_QUEUE and DESTROY_QUEUE

Dave Airlie airlied at gmail.com
Fri Jul 11 14:42:45 PDT 2014


> +/* The 64-bit ABI is the authoritative version. */
> +#pragma pack(push, 8)
> +

Don't do this, pad and align things explicitly in structs.

> +struct kfd_ioctl_create_queue_args {
> +       uint64_t ring_base_address;     /* to KFD */
> +       uint32_t ring_size;             /* to KFD */
> +       uint32_t gpu_id;                /* to KFD */
> +       uint32_t queue_type;            /* to KFD */
> +       uint32_t queue_percentage;      /* to KFD */
> +       uint32_t queue_priority;        /* to KFD */
> +       uint64_t write_pointer_address; /* to KFD */
> +       uint64_t read_pointer_address;  /* to KFD */
> +
> +       uint64_t doorbell_address;      /* from KFD */
> +       uint32_t queue_id;              /* from KFD */
> +};
> +

maybe put all the uint64_t at the start, or add explicit padding.

Dave.


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