freedreno: Move msm_drm.h to the same spot as other DRM uapi.

The new location matches other drivers, and has a README about the rules
for updating it.

Reviewed-by: Rob Clark <[email protected]>

3 files changed, 1 insertions, 337 deletions

diff --git a/src/freedreno/drm/meson.build b/src/freedreno/drm/meson.build
index 5679d147894..cee996acd7e 100644
--- a/src/freedreno/drm/meson.build
+++ b/src/freedreno/drm/meson.build
@@ -29,7 +29,6 @@ libfreedreno_drm_files = files(
   'freedreno_ringbuffer.h',
   'msm_bo.c',
   'msm_device.c',
-  'msm_drm.h',
   'msm_pipe.c',
   'msm_priv.h',
   'msm_ringbuffer.c',
diff --git a/src/freedreno/drm/msm_drm.h b/src/freedreno/drm/msm_drm.h
deleted file mode 100644
index 0baa2bfdd63..00000000000
--- a/src/freedreno/drm/msm_drm.h
+++ /dev/null
@@ -1,335 +0,0 @@
-/*
- * Copyright (C) 2013 Red Hat
- * Author: Rob Clark <[email protected]>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#ifndef __MSM_DRM_H__
-#define __MSM_DRM_H__
-
-#include "drm-uapi/drm.h"
-
-#if defined(__cplusplus)
-extern "C" {
-#endif
-
-/* Please note that modifications to all structs defined here are
- * subject to backwards-compatibility constraints:
- *  1) Do not use pointers, use __u64 instead for 32 bit / 64 bit
- *     user/kernel compatibility
- *  2) Keep fields aligned to their size
- *  3) Because of how drm_ioctl() works, we can add new fields at
- *     the end of an ioctl if some care is taken: drm_ioctl() will
- *     zero out the new fields at the tail of the ioctl, so a zero
- *     value should have a backwards compatible meaning.  And for
- *     output params, userspace won't see the newly added output
- *     fields.. so that has to be somehow ok.
- */
-
-#define MSM_PIPE_NONE        0x00
-#define MSM_PIPE_2D0         0x01
-#define MSM_PIPE_2D1         0x02
-#define MSM_PIPE_3D0         0x10
-
-/* The pipe-id just uses the lower bits, so can be OR'd with flags in
- * the upper 16 bits (which could be extended further, if needed, maybe
- * we extend/overload the pipe-id some day to deal with multiple rings,
- * but even then I don't think we need the full lower 16 bits).
- */
-#define MSM_PIPE_ID_MASK     0xffff
-#define MSM_PIPE_ID(x)       ((x) & MSM_PIPE_ID_MASK)
-#define MSM_PIPE_FLAGS(x)    ((x) & ~MSM_PIPE_ID_MASK)
-
-/* timeouts are specified in clock-monotonic absolute times (to simplify
- * restarting interrupted ioctls).  The following struct is logically the
- * same as 'struct timespec' but 32/64b ABI safe.
- */
-struct drm_msm_timespec {
-	__s64 tv_sec;          /* seconds */
-	__s64 tv_nsec;         /* nanoseconds */
-};
-
-#define MSM_PARAM_GPU_ID     0x01
-#define MSM_PARAM_GMEM_SIZE  0x02
-#define MSM_PARAM_CHIP_ID    0x03
-#define MSM_PARAM_MAX_FREQ   0x04
-#define MSM_PARAM_TIMESTAMP  0x05
-#define MSM_PARAM_GMEM_BASE  0x06
-#define MSM_PARAM_NR_RINGS   0x07
-#define MSM_PARAM_PP_PGTABLE 0x08  /* => 1 for per-process pagetables, else 0 */
-#define MSM_PARAM_FAULTS     0x09
-
-struct drm_msm_param {
-	__u32 pipe;           /* in, MSM_PIPE_x */
-	__u32 param;          /* in, MSM_PARAM_x */
-	__u64 value;          /* out (get_param) or in (set_param) */
-};
-
-/*
- * GEM buffers:
- */
-
-#define MSM_BO_SCANOUT       0x00000001     /* scanout capable */
-#define MSM_BO_GPU_READONLY  0x00000002
-#define MSM_BO_CACHE_MASK    0x000f0000
-/* cache modes */
-#define MSM_BO_CACHED        0x00010000
-#define MSM_BO_WC            0x00020000
-#define MSM_BO_UNCACHED      0x00040000
-
-#define MSM_BO_FLAGS         (MSM_BO_SCANOUT | \
-                              MSM_BO_GPU_READONLY | \
-                              MSM_BO_CACHED | \
-                              MSM_BO_WC | \
-                              MSM_BO_UNCACHED)
-
-struct drm_msm_gem_new {
-	__u64 size;           /* in */
-	__u32 flags;          /* in, mask of MSM_BO_x */
-	__u32 handle;         /* out */
-};
-
-/* Get or set GEM buffer info.  The requested value can be passed
- * directly in 'value', or for data larger than 64b 'value' is a
- * pointer to userspace buffer, with 'len' specifying the number of
- * bytes copied into that buffer.  For info returned by pointer,
- * calling the GEM_INFO ioctl with null 'value' will return the
- * required buffer size in 'len'
- */
-#define MSM_INFO_GET_OFFSET	0x00   /* get mmap() offset, returned by value */
-#define MSM_INFO_GET_IOVA	0x01   /* get iova, returned by value */
-#define MSM_INFO_SET_NAME	0x02   /* set the debug name (by pointer) */
-#define MSM_INFO_GET_NAME	0x03   /* get debug name, returned by pointer */
-
-struct drm_msm_gem_info {
-	__u32 handle;         /* in */
-	__u32 info;           /* in - one of MSM_INFO_* */
-	__u64 value;          /* in or out */
-	__u32 len;            /* in or out */
-	__u32 pad;
-};
-
-#define MSM_PREP_READ        0x01
-#define MSM_PREP_WRITE       0x02
-#define MSM_PREP_NOSYNC      0x04
-
-#define MSM_PREP_FLAGS       (MSM_PREP_READ | MSM_PREP_WRITE | MSM_PREP_NOSYNC)
-
-struct drm_msm_gem_cpu_prep {
-	__u32 handle;         /* in */
-	__u32 op;             /* in, mask of MSM_PREP_x */
-	struct drm_msm_timespec timeout;   /* in */
-};
-
-struct drm_msm_gem_cpu_fini {
-	__u32 handle;         /* in */
-};
-
-/*
- * Cmdstream Submission:
- */
-
-/* The value written into the cmdstream is logically:
- *
- *   ((relocbuf->gpuaddr + reloc_offset) << shift) | or
- *
- * When we have GPU's w/ >32bit ptrs, it should be possible to deal
- * with this by emit'ing two reloc entries with appropriate shift
- * values.  Or a new MSM_SUBMIT_CMD_x type would also be an option.
- *
- * NOTE that reloc's must be sorted by order of increasing submit_offset,
- * otherwise EINVAL.
- */
-struct drm_msm_gem_submit_reloc {
-	__u32 submit_offset;  /* in, offset from submit_bo */
-	__u32 or;             /* in, value OR'd with result */
-	__s32 shift;          /* in, amount of left shift (can be negative) */
-	__u32 reloc_idx;      /* in, index of reloc_bo buffer */
-	__u64 reloc_offset;   /* in, offset from start of reloc_bo */
-};
-
-/* submit-types:
- *   BUF - this cmd buffer is executed normally.
- *   IB_TARGET_BUF - this cmd buffer is an IB target.  Reloc's are
- *      processed normally, but the kernel does not setup an IB to
- *      this buffer in the first-level ringbuffer
- *   CTX_RESTORE_BUF - only executed if there has been a GPU context
- *      switch since the last SUBMIT ioctl
- */
-#define MSM_SUBMIT_CMD_BUF             0x0001
-#define MSM_SUBMIT_CMD_IB_TARGET_BUF   0x0002
-#define MSM_SUBMIT_CMD_CTX_RESTORE_BUF 0x0003
-struct drm_msm_gem_submit_cmd {
-	__u32 type;           /* in, one of MSM_SUBMIT_CMD_x */
-	__u32 submit_idx;     /* in, index of submit_bo cmdstream buffer */
-	__u32 submit_offset;  /* in, offset into submit_bo */
-	__u32 size;           /* in, cmdstream size */
-	__u32 pad;
-	__u32 nr_relocs;      /* in, number of submit_reloc's */
-	__u64 relocs;         /* in, ptr to array of submit_reloc's */
-};
-
-/* Each buffer referenced elsewhere in the cmdstream submit (ie. the
- * cmdstream buffer(s) themselves or reloc entries) has one (and only
- * one) entry in the submit->bos[] table.
- *
- * As a optimization, the current buffer (gpu virtual address) can be
- * passed back through the 'presumed' field.  If on a subsequent reloc,
- * userspace passes back a 'presumed' address that is still valid,
- * then patching the cmdstream for this entry is skipped.  This can
- * avoid kernel needing to map/access the cmdstream bo in the common
- * case.
- */
-#define MSM_SUBMIT_BO_READ             0x0001
-#define MSM_SUBMIT_BO_WRITE            0x0002
-#define MSM_SUBMIT_BO_DUMP             0x0004
-
-#define MSM_SUBMIT_BO_FLAGS            (MSM_SUBMIT_BO_READ | \
-					MSM_SUBMIT_BO_WRITE | \
-					MSM_SUBMIT_BO_DUMP)
-
-struct drm_msm_gem_submit_bo {
-	__u32 flags;          /* in, mask of MSM_SUBMIT_BO_x */
-	__u32 handle;         /* in, GEM handle */
-	__u64 presumed;       /* in/out, presumed buffer address */
-};
-
-/* Valid submit ioctl flags: */
-#define MSM_SUBMIT_NO_IMPLICIT   0x80000000 /* disable implicit sync */
-#define MSM_SUBMIT_FENCE_FD_IN   0x40000000 /* enable input fence_fd */
-#define MSM_SUBMIT_FENCE_FD_OUT  0x20000000 /* enable output fence_fd */
-#define MSM_SUBMIT_SUDO          0x10000000 /* run submitted cmds from RB */
-#define MSM_SUBMIT_FLAGS                ( \
-		MSM_SUBMIT_NO_IMPLICIT   | \
-		MSM_SUBMIT_FENCE_FD_IN   | \
-		MSM_SUBMIT_FENCE_FD_OUT  | \
-		MSM_SUBMIT_SUDO          | \
-		0)
-
-/* Each cmdstream submit consists of a table of buffers involved, and
- * one or more cmdstream buffers.  This allows for conditional execution
- * (context-restore), and IB buffers needed for per tile/bin draw cmds.
- */
-struct drm_msm_gem_submit {
-	__u32 flags;          /* MSM_PIPE_x | MSM_SUBMIT_x */
-	__u32 fence;          /* out */
-	__u32 nr_bos;         /* in, number of submit_bo's */
-	__u32 nr_cmds;        /* in, number of submit_cmd's */
-	__u64 bos;            /* in, ptr to array of submit_bo's */
-	__u64 cmds;           /* in, ptr to array of submit_cmd's */
-	__s32 fence_fd;       /* in/out fence fd (see MSM_SUBMIT_FENCE_FD_IN/OUT) */
-	__u32 queueid;         /* in, submitqueue id */
-};
-
-/* The normal way to synchronize with the GPU is just to CPU_PREP on
- * a buffer if you need to access it from the CPU (other cmdstream
- * submission from same or other contexts, PAGE_FLIP ioctl, etc, all
- * handle the required synchronization under the hood).  This ioctl
- * mainly just exists as a way to implement the gallium pipe_fence
- * APIs without requiring a dummy bo to synchronize on.
- */
-struct drm_msm_wait_fence {
-	__u32 fence;          /* in */
-	__u32 pad;
-	struct drm_msm_timespec timeout;   /* in */
-	__u32 queueid;         /* in, submitqueue id */
-};
-
-/* madvise provides a way to tell the kernel in case a buffers contents
- * can be discarded under memory pressure, which is useful for userspace
- * bo cache where we want to optimistically hold on to buffer allocate
- * and potential mmap, but allow the pages to be discarded under memory
- * pressure.
- *
- * Typical usage would involve madvise(DONTNEED) when buffer enters BO
- * cache, and madvise(WILLNEED) if trying to recycle buffer from BO cache.
- * In the WILLNEED case, 'retained' indicates to userspace whether the
- * backing pages still exist.
- */
-#define MSM_MADV_WILLNEED 0       /* backing pages are needed, status returned in 'retained' */
-#define MSM_MADV_DONTNEED 1       /* backing pages not needed */
-#define __MSM_MADV_PURGED 2       /* internal state */
-
-struct drm_msm_gem_madvise {
-	__u32 handle;         /* in, GEM handle */
-	__u32 madv;           /* in, MSM_MADV_x */
-	__u32 retained;       /* out, whether backing store still exists */
-};
-
-/*
- * Draw queues allow the user to set specific submission parameter. Command
- * submissions specify a specific submitqueue to use.  ID 0 is reserved for
- * backwards compatibility as a "default" submitqueue
- */
-
-#define MSM_SUBMITQUEUE_FLAGS (0)
-
-struct drm_msm_submitqueue {
-	__u32 flags;   /* in, MSM_SUBMITQUEUE_x */
-	__u32 prio;    /* in, Priority level */
-	__u32 id;      /* out, identifier */
-};
-
-#define MSM_SUBMITQUEUE_PARAM_FAULTS   0
-
-struct drm_msm_submitqueue_query {
-	__u64 data;
-	__u32 id;
-	__u32 param;
-	__u32 len;
-	__u32 pad;
-};
-
-#define DRM_MSM_GET_PARAM              0x00
-/* placeholder:
-#define DRM_MSM_SET_PARAM              0x01
- */
-#define DRM_MSM_GEM_NEW                0x02
-#define DRM_MSM_GEM_INFO               0x03
-#define DRM_MSM_GEM_CPU_PREP           0x04
-#define DRM_MSM_GEM_CPU_FINI           0x05
-#define DRM_MSM_GEM_SUBMIT             0x06
-#define DRM_MSM_WAIT_FENCE             0x07
-#define DRM_MSM_GEM_MADVISE            0x08
-/* placeholder:
-#define DRM_MSM_GEM_SVM_NEW            0x09
- */
-#define DRM_MSM_SUBMITQUEUE_NEW        0x0A
-#define DRM_MSM_SUBMITQUEUE_CLOSE      0x0B
-#define DRM_MSM_SUBMITQUEUE_QUERY      0x0C
-
-#define DRM_IOCTL_MSM_GET_PARAM        DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GET_PARAM, struct drm_msm_param)
-#define DRM_IOCTL_MSM_GEM_NEW          DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_NEW, struct drm_msm_gem_new)
-#define DRM_IOCTL_MSM_GEM_INFO         DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_INFO, struct drm_msm_gem_info)
-#define DRM_IOCTL_MSM_GEM_CPU_PREP     DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_GEM_CPU_PREP, struct drm_msm_gem_cpu_prep)
-#define DRM_IOCTL_MSM_GEM_CPU_FINI     DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_GEM_CPU_FINI, struct drm_msm_gem_cpu_fini)
-#define DRM_IOCTL_MSM_GEM_SUBMIT       DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_SUBMIT, struct drm_msm_gem_submit)
-#define DRM_IOCTL_MSM_WAIT_FENCE       DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_WAIT_FENCE, struct drm_msm_wait_fence)
-#define DRM_IOCTL_MSM_GEM_MADVISE      DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_MADVISE, struct drm_msm_gem_madvise)
-#define DRM_IOCTL_MSM_SUBMITQUEUE_NEW    DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_NEW, struct drm_msm_submitqueue)
-#define DRM_IOCTL_MSM_SUBMITQUEUE_CLOSE  DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_CLOSE, __u32)
-#define DRM_IOCTL_MSM_SUBMITQUEUE_QUERY  DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_QUERY, struct drm_msm_submitqueue_query)
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* __MSM_DRM_H__ */
diff --git a/src/freedreno/drm/msm_priv.h b/src/freedreno/drm/msm_priv.h
index 44fb777f988..acf22bcb6f8 100644
--- a/src/freedreno/drm/msm_priv.h
+++ b/src/freedreno/drm/msm_priv.h
@@ -33,7 +33,7 @@
 #  define __user
 #endif
 
-#include "msm_drm.h"
+#include "drm-uapi/msm_drm.h"
 
 struct msm_device {
 	struct fd_device base;