Re: [PATCH 1/2] Revert "include/uapi/drm/amdgpu_drm.h: use __u32 and __u64 from <linux/types.h>"

From: Mikko Rapeli
Date: Fri Aug 19 2016 - 10:52:53 EST


On Fri, Aug 19, 2016 at 04:26:40PM +0200, Christian KÃnig wrote:
> Am 19.08.2016 um 15:50 schrieb Marek OlÅÃk:
> >From: Marek OlÅÃk <marek.olsak@xxxxxxx>
> >
> >This reverts commit 2ce9dde0d47f2f94ab25c73a30596a7328bcdf1f.
> >
> >See the comment in the code. Basically, don't do cleanups in this header.
> >
> >Signed-off-by: Marek OlÅÃk <marek.olsak@xxxxxxx>
>
> I completely agree with you that this was a bad move, but I fear that we
> will run into opposition with that.
>
> Adding Mikko Rapeli who made the reverted patch to comment.

But this header is part of Linux kernel uapi. Remove it from there too then.

-Mikko

> Regards,
> Christian.
>
> >---
> > include/uapi/drm/amdgpu_drm.h | 295 +++++++++++++++++++++---------------------
> > 1 file changed, 150 insertions(+), 145 deletions(-)
> >
> >diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
> >index 462246a..b39e07c 100644
> >--- a/include/uapi/drm/amdgpu_drm.h
> >+++ b/include/uapi/drm/amdgpu_drm.h
> >@@ -29,6 +29,11 @@
> > * Keith Whitwell <keith@xxxxxxxxxxxxxxxxxxxx>
> > */
> >+/* IT IS NOT ALLOWED TO CHANGE THIS HEADER WITHOUT DOING THE SAME IN LIBDRM !!!
> >+ * THIS IS NOT A UAPI HEADER. IT IS ONLY A MIRROR OF ITS COUNTERPART IN LIBDRM.
> >+ * USERSPACE SHOULD USE THE HEADERS FROM LIBDRM. NOT THIS ONE.
> >+ */
> >+
> > #ifndef __AMDGPU_DRM_H__
> > #define __AMDGPU_DRM_H__
> >@@ -80,19 +85,19 @@ extern "C" {
> > struct drm_amdgpu_gem_create_in {
> > /** the requested memory size */
> >- __u64 bo_size;
> >+ uint64_t bo_size;
> > /** physical start_addr alignment in bytes for some HW requirements */
> >- __u64 alignment;
> >+ uint64_t alignment;
> > /** the requested memory domains */
> >- __u64 domains;
> >+ uint64_t domains;
> > /** allocation flags */
> >- __u64 domain_flags;
> >+ uint64_t domain_flags;
> > };
> > struct drm_amdgpu_gem_create_out {
> > /** returned GEM object handle */
> >- __u32 handle;
> >- __u32 _pad;
> >+ uint32_t handle;
> >+ uint32_t _pad;
> > };
> > union drm_amdgpu_gem_create {
> >@@ -109,28 +114,28 @@ union drm_amdgpu_gem_create {
> > struct drm_amdgpu_bo_list_in {
> > /** Type of operation */
> >- __u32 operation;
> >+ uint32_t operation;
> > /** Handle of list or 0 if we want to create one */
> >- __u32 list_handle;
> >+ uint32_t list_handle;
> > /** Number of BOs in list */
> >- __u32 bo_number;
> >+ uint32_t bo_number;
> > /** Size of each element describing BO */
> >- __u32 bo_info_size;
> >+ uint32_t bo_info_size;
> > /** Pointer to array describing BOs */
> >- __u64 bo_info_ptr;
> >+ uint64_t bo_info_ptr;
> > };
> > struct drm_amdgpu_bo_list_entry {
> > /** Handle of BO */
> >- __u32 bo_handle;
> >+ uint32_t bo_handle;
> > /** New (if specified) BO priority to be used during migration */
> >- __u32 bo_priority;
> >+ uint32_t bo_priority;
> > };
> > struct drm_amdgpu_bo_list_out {
> > /** Handle of resource list */
> >- __u32 list_handle;
> >- __u32 _pad;
> >+ uint32_t list_handle;
> >+ uint32_t _pad;
> > };
> > union drm_amdgpu_bo_list {
> >@@ -154,26 +159,26 @@ union drm_amdgpu_bo_list {
> > struct drm_amdgpu_ctx_in {
> > /** AMDGPU_CTX_OP_* */
> >- __u32 op;
> >+ uint32_t op;
> > /** For future use, no flags defined so far */
> >- __u32 flags;
> >- __u32 ctx_id;
> >- __u32 _pad;
> >+ uint32_t flags;
> >+ uint32_t ctx_id;
> >+ uint32_t _pad;
> > };
> > union drm_amdgpu_ctx_out {
> > struct {
> >- __u32 ctx_id;
> >- __u32 _pad;
> >+ uint32_t ctx_id;
> >+ uint32_t _pad;
> > } alloc;
> > struct {
> > /** For future use, no flags defined so far */
> >- __u64 flags;
> >+ uint64_t flags;
> > /** Number of resets caused by this context so far. */
> >- __u32 hangs;
> >+ uint32_t hangs;
> > /** Reset status since the last call of the ioctl. */
> >- __u32 reset_status;
> >+ uint32_t reset_status;
> > } state;
> > };
> >@@ -193,12 +198,12 @@ union drm_amdgpu_ctx {
> > #define AMDGPU_GEM_USERPTR_REGISTER (1 << 3)
> > struct drm_amdgpu_gem_userptr {
> >- __u64 addr;
> >- __u64 size;
> >+ uint64_t addr;
> >+ uint64_t size;
> > /* AMDGPU_GEM_USERPTR_* */
> >- __u32 flags;
> >+ uint32_t flags;
> > /* Resulting GEM handle */
> >- __u32 handle;
> >+ uint32_t handle;
> > };
> > /* same meaning as the GB_TILE_MODE and GL_MACRO_TILE_MODE fields */
> >@@ -230,28 +235,28 @@ struct drm_amdgpu_gem_userptr {
> > /** The same structure is shared for input/output */
> > struct drm_amdgpu_gem_metadata {
> > /** GEM Object handle */
> >- __u32 handle;
> >+ uint32_t handle;
> > /** Do we want get or set metadata */
> >- __u32 op;
> >+ uint32_t op;
> > struct {
> > /** For future use, no flags defined so far */
> >- __u64 flags;
> >+ uint64_t flags;
> > /** family specific tiling info */
> >- __u64 tiling_info;
> >- __u32 data_size_bytes;
> >- __u32 data[64];
> >+ uint64_t tiling_info;
> >+ uint32_t data_size_bytes;
> >+ uint32_t data[64];
> > } data;
> > };
> > struct drm_amdgpu_gem_mmap_in {
> > /** the GEM object handle */
> >- __u32 handle;
> >- __u32 _pad;
> >+ uint32_t handle;
> >+ uint32_t _pad;
> > };
> > struct drm_amdgpu_gem_mmap_out {
> > /** mmap offset from the vma offset manager */
> >- __u64 addr_ptr;
> >+ uint64_t addr_ptr;
> > };
> > union drm_amdgpu_gem_mmap {
> >@@ -261,18 +266,18 @@ union drm_amdgpu_gem_mmap {
> > struct drm_amdgpu_gem_wait_idle_in {
> > /** GEM object handle */
> >- __u32 handle;
> >+ uint32_t handle;
> > /** For future use, no flags defined so far */
> >- __u32 flags;
> >+ uint32_t flags;
> > /** Absolute timeout to wait */
> >- __u64 timeout;
> >+ uint64_t timeout;
> > };
> > struct drm_amdgpu_gem_wait_idle_out {
> > /** BO status: 0 - BO is idle, 1 - BO is busy */
> >- __u32 status;
> >+ uint32_t status;
> > /** Returned current memory domain */
> >- __u32 domain;
> >+ uint32_t domain;
> > };
> > union drm_amdgpu_gem_wait_idle {
> >@@ -282,18 +287,18 @@ union drm_amdgpu_gem_wait_idle {
> > struct drm_amdgpu_wait_cs_in {
> > /** Command submission handle */
> >- __u64 handle;
> >+ uint64_t handle;
> > /** Absolute timeout to wait */
> >- __u64 timeout;
> >- __u32 ip_type;
> >- __u32 ip_instance;
> >- __u32 ring;
> >- __u32 ctx_id;
> >+ uint64_t timeout;
> >+ uint32_t ip_type;
> >+ uint32_t ip_instance;
> >+ uint32_t ring;
> >+ uint32_t ctx_id;
> > };
> > struct drm_amdgpu_wait_cs_out {
> > /** CS status: 0 - CS completed, 1 - CS still busy */
> >- __u64 status;
> >+ uint64_t status;
> > };
> > union drm_amdgpu_wait_cs {
> >@@ -307,11 +312,11 @@ union drm_amdgpu_wait_cs {
> > /* Sets or returns a value associated with a buffer. */
> > struct drm_amdgpu_gem_op {
> > /** GEM object handle */
> >- __u32 handle;
> >+ uint32_t handle;
> > /** AMDGPU_GEM_OP_* */
> >- __u32 op;
> >+ uint32_t op;
> > /** Input or return value */
> >- __u64 value;
> >+ uint64_t value;
> > };
> > #define AMDGPU_VA_OP_MAP 1
> >@@ -330,18 +335,18 @@ struct drm_amdgpu_gem_op {
> > struct drm_amdgpu_gem_va {
> > /** GEM object handle */
> >- __u32 handle;
> >- __u32 _pad;
> >+ uint32_t handle;
> >+ uint32_t _pad;
> > /** AMDGPU_VA_OP_* */
> >- __u32 operation;
> >+ uint32_t operation;
> > /** AMDGPU_VM_PAGE_* */
> >- __u32 flags;
> >+ uint32_t flags;
> > /** va address to assign . Must be correctly aligned.*/
> >- __u64 va_address;
> >+ uint64_t va_address;
> > /** Specify offset inside of BO to assign. Must be correctly aligned.*/
> >- __u64 offset_in_bo;
> >+ uint64_t offset_in_bo;
> > /** Specify mapping size. Must be correctly aligned. */
> >- __u64 map_size;
> >+ uint64_t map_size;
> > };
> > #define AMDGPU_HW_IP_GFX 0
> >@@ -358,24 +363,24 @@ struct drm_amdgpu_gem_va {
> > #define AMDGPU_CHUNK_ID_DEPENDENCIES 0x03
> > struct drm_amdgpu_cs_chunk {
> >- __u32 chunk_id;
> >- __u32 length_dw;
> >- __u64 chunk_data;
> >+ uint32_t chunk_id;
> >+ uint32_t length_dw;
> >+ uint64_t chunk_data;
> > };
> > struct drm_amdgpu_cs_in {
> > /** Rendering context id */
> >- __u32 ctx_id;
> >+ uint32_t ctx_id;
> > /** Handle of resource list associated with CS */
> >- __u32 bo_list_handle;
> >- __u32 num_chunks;
> >- __u32 _pad;
> >- /** this points to __u64 * which point to cs chunks */
> >- __u64 chunks;
> >+ uint32_t bo_list_handle;
> >+ uint32_t num_chunks;
> >+ uint32_t _pad;
> >+ /** this points to uint64_t * which point to cs chunks */
> >+ uint64_t chunks;
> > };
> > struct drm_amdgpu_cs_out {
> >- __u64 handle;
> >+ uint64_t handle;
> > };
> > union drm_amdgpu_cs {
> >@@ -392,32 +397,32 @@ union drm_amdgpu_cs {
> > #define AMDGPU_IB_FLAG_PREAMBLE (1<<1)
> > struct drm_amdgpu_cs_chunk_ib {
> >- __u32 _pad;
> >+ uint32_t _pad;
> > /** AMDGPU_IB_FLAG_* */
> >- __u32 flags;
> >+ uint32_t flags;
> > /** Virtual address to begin IB execution */
> >- __u64 va_start;
> >+ uint64_t va_start;
> > /** Size of submission */
> >- __u32 ib_bytes;
> >+ uint32_t ib_bytes;
> > /** HW IP to submit to */
> >- __u32 ip_type;
> >+ uint32_t ip_type;
> > /** HW IP index of the same type to submit to */
> >- __u32 ip_instance;
> >+ uint32_t ip_instance;
> > /** Ring index to submit to */
> >- __u32 ring;
> >+ uint32_t ring;
> > };
> > struct drm_amdgpu_cs_chunk_dep {
> >- __u32 ip_type;
> >- __u32 ip_instance;
> >- __u32 ring;
> >- __u32 ctx_id;
> >- __u64 handle;
> >+ uint32_t ip_type;
> >+ uint32_t ip_instance;
> >+ uint32_t ring;
> >+ uint32_t ctx_id;
> >+ uint64_t handle;
> > };
> > struct drm_amdgpu_cs_chunk_fence {
> >- __u32 handle;
> >- __u32 offset;
> >+ uint32_t handle;
> >+ uint32_t offset;
> > };
> > struct drm_amdgpu_cs_chunk_data {
> >@@ -489,53 +494,53 @@ struct drm_amdgpu_cs_chunk_data {
> > struct drm_amdgpu_query_fw {
> > /** AMDGPU_INFO_FW_* */
> >- __u32 fw_type;
> >+ uint32_t fw_type;
> > /**
> > * Index of the IP if there are more IPs of
> > * the same type.
> > */
> >- __u32 ip_instance;
> >+ uint32_t ip_instance;
> > /**
> > * Index of the engine. Whether this is used depends
> > * on the firmware type. (e.g. MEC, SDMA)
> > */
> >- __u32 index;
> >- __u32 _pad;
> >+ uint32_t index;
> >+ uint32_t _pad;
> > };
> > /* Input structure for the INFO ioctl */
> > struct drm_amdgpu_info {
> > /* Where the return value will be stored */
> >- __u64 return_pointer;
> >+ uint64_t return_pointer;
> > /* The size of the return value. Just like "size" in "snprintf",
> > * it limits how many bytes the kernel can write. */
> >- __u32 return_size;
> >+ uint32_t return_size;
> > /* The query request id. */
> >- __u32 query;
> >+ uint32_t query;
> > union {
> > struct {
> >- __u32 id;
> >- __u32 _pad;
> >+ uint32_t id;
> >+ uint32_t _pad;
> > } mode_crtc;
> > struct {
> > /** AMDGPU_HW_IP_* */
> >- __u32 type;
> >+ uint32_t type;
> > /**
> > * Index of the IP if there are more IPs of the same
> > * type. Ignored by AMDGPU_INFO_HW_IP_COUNT.
> > */
> >- __u32 ip_instance;
> >+ uint32_t ip_instance;
> > } query_hw_ip;
> > struct {
> >- __u32 dword_offset;
> >+ uint32_t dword_offset;
> > /** number of registers to read */
> >- __u32 count;
> >- __u32 instance;
> >+ uint32_t count;
> >+ uint32_t instance;
> > /** For future use, no flags defined so far */
> >- __u32 flags;
> >+ uint32_t flags;
> > } read_mmr_reg;
> > struct drm_amdgpu_query_fw query_fw;
> >@@ -544,31 +549,31 @@ struct drm_amdgpu_info {
> > struct drm_amdgpu_info_gds {
> > /** GDS GFX partition size */
> >- __u32 gds_gfx_partition_size;
> >+ uint32_t gds_gfx_partition_size;
> > /** GDS compute partition size */
> >- __u32 compute_partition_size;
> >+ uint32_t compute_partition_size;
> > /** total GDS memory size */
> >- __u32 gds_total_size;
> >+ uint32_t gds_total_size;
> > /** GWS size per GFX partition */
> >- __u32 gws_per_gfx_partition;
> >+ uint32_t gws_per_gfx_partition;
> > /** GSW size per compute partition */
> >- __u32 gws_per_compute_partition;
> >+ uint32_t gws_per_compute_partition;
> > /** OA size per GFX partition */
> >- __u32 oa_per_gfx_partition;
> >+ uint32_t oa_per_gfx_partition;
> > /** OA size per compute partition */
> >- __u32 oa_per_compute_partition;
> >- __u32 _pad;
> >+ uint32_t oa_per_compute_partition;
> >+ uint32_t _pad;
> > };
> > struct drm_amdgpu_info_vram_gtt {
> >- __u64 vram_size;
> >- __u64 vram_cpu_accessible_size;
> >- __u64 gtt_size;
> >+ uint64_t vram_size;
> >+ uint64_t vram_cpu_accessible_size;
> >+ uint64_t gtt_size;
> > };
> > struct drm_amdgpu_info_firmware {
> >- __u32 ver;
> >- __u32 feature;
> >+ uint32_t ver;
> >+ uint32_t feature;
> > };
> > #define AMDGPU_VRAM_TYPE_UNKNOWN 0
> >@@ -582,61 +587,61 @@ struct drm_amdgpu_info_firmware {
> > struct drm_amdgpu_info_device {
> > /** PCI Device ID */
> >- __u32 device_id;
> >+ uint32_t device_id;
> > /** Internal chip revision: A0, A1, etc.) */
> >- __u32 chip_rev;
> >- __u32 external_rev;
> >+ uint32_t chip_rev;
> >+ uint32_t external_rev;
> > /** Revision id in PCI Config space */
> >- __u32 pci_rev;
> >- __u32 family;
> >- __u32 num_shader_engines;
> >- __u32 num_shader_arrays_per_engine;
> >+ uint32_t pci_rev;
> >+ uint32_t family;
> >+ uint32_t num_shader_engines;
> >+ uint32_t num_shader_arrays_per_engine;
> > /* in KHz */
> >- __u32 gpu_counter_freq;
> >- __u64 max_engine_clock;
> >- __u64 max_memory_clock;
> >+ uint32_t gpu_counter_freq;
> >+ uint64_t max_engine_clock;
> >+ uint64_t max_memory_clock;
> > /* cu information */
> >- __u32 cu_active_number;
> >- __u32 cu_ao_mask;
> >- __u32 cu_bitmap[4][4];
> >+ uint32_t cu_active_number;
> >+ uint32_t cu_ao_mask;
> >+ uint32_t cu_bitmap[4][4];
> > /** Render backend pipe mask. One render backend is CB+DB. */
> >- __u32 enabled_rb_pipes_mask;
> >- __u32 num_rb_pipes;
> >- __u32 num_hw_gfx_contexts;
> >- __u32 _pad;
> >- __u64 ids_flags;
> >+ uint32_t enabled_rb_pipes_mask;
> >+ uint32_t num_rb_pipes;
> >+ uint32_t num_hw_gfx_contexts;
> >+ uint32_t _pad;
> >+ uint64_t ids_flags;
> > /** Starting virtual address for UMDs. */
> >- __u64 virtual_address_offset;
> >+ uint64_t virtual_address_offset;
> > /** The maximum virtual address */
> >- __u64 virtual_address_max;
> >+ uint64_t virtual_address_max;
> > /** Required alignment of virtual addresses. */
> >- __u32 virtual_address_alignment;
> >+ uint32_t virtual_address_alignment;
> > /** Page table entry - fragment size */
> >- __u32 pte_fragment_size;
> >- __u32 gart_page_size;
> >+ uint32_t pte_fragment_size;
> >+ uint32_t gart_page_size;
> > /** constant engine ram size*/
> >- __u32 ce_ram_size;
> >+ uint32_t ce_ram_size;
> > /** video memory type info*/
> >- __u32 vram_type;
> >+ uint32_t vram_type;
> > /** video memory bit width*/
> >- __u32 vram_bit_width;
> >+ uint32_t vram_bit_width;
> > /* vce harvesting instance */
> >- __u32 vce_harvest_config;
> >+ uint32_t vce_harvest_config;
> > };
> > struct drm_amdgpu_info_hw_ip {
> > /** Version of h/w IP */
> >- __u32 hw_ip_version_major;
> >- __u32 hw_ip_version_minor;
> >+ uint32_t hw_ip_version_major;
> >+ uint32_t hw_ip_version_minor;
> > /** Capabilities */
> >- __u64 capabilities_flags;
> >+ uint64_t capabilities_flags;
> > /** command buffer address start alignment*/
> >- __u32 ib_start_alignment;
> >+ uint32_t ib_start_alignment;
> > /** command buffer size alignment*/
> >- __u32 ib_size_alignment;
> >+ uint32_t ib_size_alignment;
> > /** Bitmask of available rings. Bit 0 means ring 0, etc. */
> >- __u32 available_rings;
> >- __u32 _pad;
> >+ uint32_t available_rings;
> >+ uint32_t _pad;
> > };
> > /*
>
>