| Message ID | 20210830162232.1328594-3-robdclark@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | Initial igt tests for drm/msm ioctls | expand |
On Mon, Aug 30, 2021 at 09:22:31AM -0700, Rob Clark wrote: > From: Rob Clark <robdclark@chromium.org> > > Handle some of the boilerplate for tests. > > v2: fix comment, drop unnecessary drm_open_driver_render() error > handling, docs fixes, drop igt_msm_pipe_get_param() (for now), > handle NULL in destructors > > Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Petri Latvala <petri.latvala@intel.com> > --- > .../igt-gpu-tools/igt-gpu-tools-docs.xml | 1 + > lib/igt_msm.c | 211 ++++++++++++++++++ > lib/igt_msm.h | 142 ++++++++++++ > lib/meson.build | 1 + > 4 files changed, 355 insertions(+) > create mode 100644 lib/igt_msm.c > create mode 100644 lib/igt_msm.h > > diff --git a/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml b/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml > index 0f49b4a3..189597c6 100644 > --- a/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml > +++ b/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml > @@ -34,6 +34,7 @@ > <xi:include href="xml/igt_kms.xml"/> > <xi:include href="xml/igt_list.xml"/> > <xi:include href="xml/igt_map.xml"/> > + <xi:include href="xml/igt_msm.xml"/> > <xi:include href="xml/igt_pm.xml"/> > <xi:include href="xml/igt_primes.xml"/> > <xi:include href="xml/igt_rand.xml"/> > diff --git a/lib/igt_msm.c b/lib/igt_msm.c > new file mode 100644 > index 00000000..b9534164 > --- /dev/null > +++ b/lib/igt_msm.c > @@ -0,0 +1,211 @@ > +/* > + * Copyright © 2021 Google, Inc. > + * > + * 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. > + */ > + > +#include <assert.h> > +#include <string.h> > +#include <signal.h> > +#include <errno.h> > +#include <sys/mman.h> > +#include <sys/types.h> > +#include <sys/stat.h> > +#include <sys/ioctl.h> > +#include <fcntl.h> > + > +#include "drmtest.h" > +#include "igt_aux.h" > +#include "igt_core.h" > +#include "igt_msm.h" > +#include "ioctl_wrappers.h" > + > +/** > + * SECTION:igt_msm > + * @short_description: msm support library > + * @title: msm > + * @include: igt_msm.h > + * > + * This library provides various auxiliary helper functions for writing msm > + * tests. > + */ > + > +static uint64_t > +get_param(struct msm_device *dev, uint32_t pipe, uint32_t param) > +{ > + struct drm_msm_param req = { > + .pipe = pipe, > + .param = param, > + }; > + > + do_ioctl(dev->fd, DRM_IOCTL_MSM_GET_PARAM, &req); > + > + return req.value; > +} > + > +/** > + * igt_msm_dev_open: > + * > + * Open the msm drm device. > + */ > +struct msm_device * > +igt_msm_dev_open(void) > +{ > + struct msm_device *dev = calloc(1, sizeof(*dev)); > + > + dev->fd = drm_open_driver_render(DRIVER_MSM); > + dev->gen = (get_param(dev, MSM_PIPE_3D0, MSM_PARAM_CHIP_ID) >> 24) & 0xff; > + > + return dev; > +} > + > +/** > + * igt_msm_dev_close: > + * @dev: the device to close > + * > + * Close the msm drm device. > + */ > +void > +igt_msm_dev_close(struct msm_device *dev) > +{ > + if (!dev) > + return; > + close(dev->fd); > + free(dev); > +} > + > +/** > + * igt_msm_bo_new: > + * @dev: the device to allocate the BO from > + * @size: the requested BO size in bytes > + * @flags: bitmask of MSM_BO_x > + * > + * Allocate a buffer object of the requested size. > + */ > +struct msm_bo * > +igt_msm_bo_new(struct msm_device *dev, size_t size, uint32_t flags) > +{ > + struct msm_bo *bo = calloc(1, sizeof(*bo)); > + > + struct drm_msm_gem_new req = { > + .size = size, > + .flags = flags, > + }; > + > + bo->dev = dev; > + bo->size = size; > + > + do_ioctl(dev->fd, DRM_IOCTL_MSM_GEM_NEW, &req); > + > + bo->handle = req.handle; > + > + return bo; > +} > + > +/** > + * igt_msm_bo_free: > + * @bo: the BO to free > + * > + * Free a buffer object > + */ > +void > +igt_msm_bo_free(struct msm_bo *bo) > +{ > + if (!bo) > + return; > + if (bo->map) > + munmap(bo->map, bo->size); > + gem_close(bo->dev->fd, bo->handle); > + free(bo); > +} > + > +/** > + * igt_msm_bo_map: > + * @bo: the BO to map > + * > + * Returns a pointer to mmap'd buffer. > + */ > +void * > +igt_msm_bo_map(struct msm_bo *bo) > +{ > + if (!bo->map) { > + struct drm_msm_gem_info req = { > + .handle = bo->handle, > + .info = MSM_INFO_GET_OFFSET, > + }; > + void *ptr; > + > + do_ioctl(bo->dev->fd, DRM_IOCTL_MSM_GEM_INFO, &req); > + > + ptr = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, > + bo->dev->fd, req.value); > + if (ptr == MAP_FAILED) > + return NULL; > + > + bo->map = ptr; > + } > + return bo->map; > +} > + > +/** > + * igt_msm_pipe_open: > + * @dev: the device to create a submitqueue/pipe against > + * @prio: the requested priority, from 0 (highest) to MSM_PARAM_PRIORITIES-1 > + * (lowest) > + * > + * Allocate a pipe/submitqueue against which cmdstream may be submitted. > + */ > +struct msm_pipe * > +igt_msm_pipe_open(struct msm_device *dev, uint32_t prio) > +{ > + struct msm_pipe *pipe = calloc(1, sizeof(*pipe)); > + struct drm_msm_submitqueue req = { > + .flags = 0, > + .prio = prio, > + }; > + > + pipe->dev = dev; > + pipe->pipe = MSM_PIPE_3D0; > + > + /* Note that kernels prior to v4.15 did not support submitqueues. > + * Mesa maintains support for older kernels, but IGT does not need > + * to. > + */ > + do_ioctl(dev->fd, DRM_IOCTL_MSM_SUBMITQUEUE_NEW, &req); > + > + pipe->submitqueue_id = req.id; > + > + return pipe; > +} > + > +/** > + * igt_msm_pipe_close: > + * @pipe: the pipe to close > + * > + * Close a pipe > + */ > +void > +igt_msm_pipe_close(struct msm_pipe *pipe) > +{ > + if (!pipe) > + return; > + do_ioctl(pipe->dev->fd, DRM_IOCTL_MSM_SUBMITQUEUE_CLOSE, &pipe->submitqueue_id); > + free(pipe); > +} > diff --git a/lib/igt_msm.h b/lib/igt_msm.h > new file mode 100644 > index 00000000..99a099c1 > --- /dev/null > +++ b/lib/igt_msm.h > @@ -0,0 +1,142 @@ > +/* > + * Copyright © 2021 Google, Inc. > + * > + * 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 IGT_MSM_H > +#define IGT_MSM_H > + > +#include "msm_drm.h" > + > +/** > + * msm_device: > + * @fd: the drm device file descriptor > + * @gen: the device major generation (ie. 2 for a2xx, etc) > + * > + * Helper container for device and device related parameters used by tests. > + */ > +struct msm_device { > + int fd; > + unsigned gen; > +}; > + > +struct msm_device *igt_msm_dev_open(void); > +void igt_msm_dev_close(struct msm_device *dev); > + > +/** > + * msm_bo: > + * @dev: the device the BO is allocated from > + * @handle: the BO's GEM handle > + * @size: the BO's size > + * @map: the BO's memory mapping (if mapped) > + * > + * Helper wrapper for a GEM buffer object. > + */ > +struct msm_bo { > + struct msm_device *dev; > + int handle; > + uint32_t size; > + void *map; > +}; > + > +struct msm_bo *igt_msm_bo_new(struct msm_device *dev, size_t size, uint32_t flags); > +void igt_msm_bo_free(struct msm_bo *bo); > +void *igt_msm_bo_map(struct msm_bo *bo); > + > +/** > + * msm_pipe: > + * @dev: the device the pipe is allocated from > + * @pipe: the pipe id > + * @submitqueue_id: the submitqueue id > + * > + * Helper wrapper for a submitqueue for cmdstream submission. > + */ > +struct msm_pipe { > + struct msm_device *dev; > + uint32_t pipe; > + uint32_t submitqueue_id; > +}; > + > +struct msm_pipe *igt_msm_pipe_open(struct msm_device *dev, uint32_t prio); > +void igt_msm_pipe_close(struct msm_pipe *pipe); > + > +/* > + * Helpers for cmdstream building: > + */ > + > +enum adreno_pm4_packet_type { > + CP_TYPE0_PKT = 0, > + CP_TYPE1_PKT = 0x40000000, > + CP_TYPE2_PKT = 0x80000000, > + CP_TYPE3_PKT = 0xc0000000, > + CP_TYPE4_PKT = 0x40000000, > + CP_TYPE7_PKT = 0x70000000, > +}; > + > +enum adreno_pm4_type3_packets { > + CP_NOP = 16, > +}; > + > +static inline unsigned > +pm4_odd_parity_bit(unsigned val) > +{ > + /* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel > + * note that we want odd parity so 0x6996 is inverted. > + */ > + val ^= val >> 16; > + val ^= val >> 8; > + val ^= val >> 4; > + val &= 0xf; > + return (~0x6996 >> val) & 1; > +} > + > +static inline uint32_t > +pm4_pkt0_hdr(uint16_t regindx, uint16_t cnt) > +{ > + return CP_TYPE0_PKT | ((cnt - 1) << 16) | (regindx & 0x7fff); > +} > + > +static inline uint32_t > +pm4_pkt3_hdr(uint8_t opcode, uint16_t cnt) > +{ > + return CP_TYPE3_PKT | ((cnt - 1) << 16) | ((opcode & 0xff) << 8); > +} > + > +static inline uint32_t > +pm4_pkt4_hdr(uint16_t regindx, uint16_t cnt) > +{ > + return CP_TYPE4_PKT | cnt | (pm4_odd_parity_bit(cnt) << 7) | > + ((regindx & 0x3ffff) << 8) | > + ((pm4_odd_parity_bit(regindx) << 27)); > +} > + > +static inline uint32_t > +pm4_pkt7_hdr(uint8_t opcode, uint16_t cnt) > +{ > + return CP_TYPE7_PKT | cnt | (pm4_odd_parity_bit(cnt) << 15) | > + ((opcode & 0x7f) << 16) | > + ((pm4_odd_parity_bit(opcode) << 23)); > +} > + > +#define U642VOID(x) ((void *)(uintptr_t)(x)) > +#define VOID2U64(x) ((uint64_t)(uintptr_t)(x)) > + > +#endif /* IGT_MSM_H */ > diff --git a/lib/meson.build b/lib/meson.build > index 67d40512..c3080fc8 100644 > --- a/lib/meson.build > +++ b/lib/meson.build > @@ -82,6 +82,7 @@ lib_sources = [ > 'igt_eld.c', > 'igt_infoframe.c', > 'veboxcopy_gen12.c', > + 'igt_msm.c', > ] > > lib_deps = [ > -- > 2.31.1 >
diff --git a/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml b/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml index 0f49b4a3..189597c6 100644 --- a/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml +++ b/docs/reference/igt-gpu-tools/igt-gpu-tools-docs.xml @@ -34,6 +34,7 @@ <xi:include href="xml/igt_kms.xml"/> <xi:include href="xml/igt_list.xml"/> <xi:include href="xml/igt_map.xml"/> + <xi:include href="xml/igt_msm.xml"/> <xi:include href="xml/igt_pm.xml"/> <xi:include href="xml/igt_primes.xml"/> <xi:include href="xml/igt_rand.xml"/> diff --git a/lib/igt_msm.c b/lib/igt_msm.c new file mode 100644 index 00000000..b9534164 --- /dev/null +++ b/lib/igt_msm.c @@ -0,0 +1,211 @@ +/* + * Copyright © 2021 Google, Inc. + * + * 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. + */ + +#include <assert.h> +#include <string.h> +#include <signal.h> +#include <errno.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <fcntl.h> + +#include "drmtest.h" +#include "igt_aux.h" +#include "igt_core.h" +#include "igt_msm.h" +#include "ioctl_wrappers.h" + +/** + * SECTION:igt_msm + * @short_description: msm support library + * @title: msm + * @include: igt_msm.h + * + * This library provides various auxiliary helper functions for writing msm + * tests. + */ + +static uint64_t +get_param(struct msm_device *dev, uint32_t pipe, uint32_t param) +{ + struct drm_msm_param req = { + .pipe = pipe, + .param = param, + }; + + do_ioctl(dev->fd, DRM_IOCTL_MSM_GET_PARAM, &req); + + return req.value; +} + +/** + * igt_msm_dev_open: + * + * Open the msm drm device. + */ +struct msm_device * +igt_msm_dev_open(void) +{ + struct msm_device *dev = calloc(1, sizeof(*dev)); + + dev->fd = drm_open_driver_render(DRIVER_MSM); + dev->gen = (get_param(dev, MSM_PIPE_3D0, MSM_PARAM_CHIP_ID) >> 24) & 0xff; + + return dev; +} + +/** + * igt_msm_dev_close: + * @dev: the device to close + * + * Close the msm drm device. + */ +void +igt_msm_dev_close(struct msm_device *dev) +{ + if (!dev) + return; + close(dev->fd); + free(dev); +} + +/** + * igt_msm_bo_new: + * @dev: the device to allocate the BO from + * @size: the requested BO size in bytes + * @flags: bitmask of MSM_BO_x + * + * Allocate a buffer object of the requested size. + */ +struct msm_bo * +igt_msm_bo_new(struct msm_device *dev, size_t size, uint32_t flags) +{ + struct msm_bo *bo = calloc(1, sizeof(*bo)); + + struct drm_msm_gem_new req = { + .size = size, + .flags = flags, + }; + + bo->dev = dev; + bo->size = size; + + do_ioctl(dev->fd, DRM_IOCTL_MSM_GEM_NEW, &req); + + bo->handle = req.handle; + + return bo; +} + +/** + * igt_msm_bo_free: + * @bo: the BO to free + * + * Free a buffer object + */ +void +igt_msm_bo_free(struct msm_bo *bo) +{ + if (!bo) + return; + if (bo->map) + munmap(bo->map, bo->size); + gem_close(bo->dev->fd, bo->handle); + free(bo); +} + +/** + * igt_msm_bo_map: + * @bo: the BO to map + * + * Returns a pointer to mmap'd buffer. + */ +void * +igt_msm_bo_map(struct msm_bo *bo) +{ + if (!bo->map) { + struct drm_msm_gem_info req = { + .handle = bo->handle, + .info = MSM_INFO_GET_OFFSET, + }; + void *ptr; + + do_ioctl(bo->dev->fd, DRM_IOCTL_MSM_GEM_INFO, &req); + + ptr = mmap(0, bo->size, PROT_READ | PROT_WRITE, MAP_SHARED, + bo->dev->fd, req.value); + if (ptr == MAP_FAILED) + return NULL; + + bo->map = ptr; + } + return bo->map; +} + +/** + * igt_msm_pipe_open: + * @dev: the device to create a submitqueue/pipe against + * @prio: the requested priority, from 0 (highest) to MSM_PARAM_PRIORITIES-1 + * (lowest) + * + * Allocate a pipe/submitqueue against which cmdstream may be submitted. + */ +struct msm_pipe * +igt_msm_pipe_open(struct msm_device *dev, uint32_t prio) +{ + struct msm_pipe *pipe = calloc(1, sizeof(*pipe)); + struct drm_msm_submitqueue req = { + .flags = 0, + .prio = prio, + }; + + pipe->dev = dev; + pipe->pipe = MSM_PIPE_3D0; + + /* Note that kernels prior to v4.15 did not support submitqueues. + * Mesa maintains support for older kernels, but IGT does not need + * to. + */ + do_ioctl(dev->fd, DRM_IOCTL_MSM_SUBMITQUEUE_NEW, &req); + + pipe->submitqueue_id = req.id; + + return pipe; +} + +/** + * igt_msm_pipe_close: + * @pipe: the pipe to close + * + * Close a pipe + */ +void +igt_msm_pipe_close(struct msm_pipe *pipe) +{ + if (!pipe) + return; + do_ioctl(pipe->dev->fd, DRM_IOCTL_MSM_SUBMITQUEUE_CLOSE, &pipe->submitqueue_id); + free(pipe); +} diff --git a/lib/igt_msm.h b/lib/igt_msm.h new file mode 100644 index 00000000..99a099c1 --- /dev/null +++ b/lib/igt_msm.h @@ -0,0 +1,142 @@ +/* + * Copyright © 2021 Google, Inc. + * + * 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 IGT_MSM_H +#define IGT_MSM_H + +#include "msm_drm.h" + +/** + * msm_device: + * @fd: the drm device file descriptor + * @gen: the device major generation (ie. 2 for a2xx, etc) + * + * Helper container for device and device related parameters used by tests. + */ +struct msm_device { + int fd; + unsigned gen; +}; + +struct msm_device *igt_msm_dev_open(void); +void igt_msm_dev_close(struct msm_device *dev); + +/** + * msm_bo: + * @dev: the device the BO is allocated from + * @handle: the BO's GEM handle + * @size: the BO's size + * @map: the BO's memory mapping (if mapped) + * + * Helper wrapper for a GEM buffer object. + */ +struct msm_bo { + struct msm_device *dev; + int handle; + uint32_t size; + void *map; +}; + +struct msm_bo *igt_msm_bo_new(struct msm_device *dev, size_t size, uint32_t flags); +void igt_msm_bo_free(struct msm_bo *bo); +void *igt_msm_bo_map(struct msm_bo *bo); + +/** + * msm_pipe: + * @dev: the device the pipe is allocated from + * @pipe: the pipe id + * @submitqueue_id: the submitqueue id + * + * Helper wrapper for a submitqueue for cmdstream submission. + */ +struct msm_pipe { + struct msm_device *dev; + uint32_t pipe; + uint32_t submitqueue_id; +}; + +struct msm_pipe *igt_msm_pipe_open(struct msm_device *dev, uint32_t prio); +void igt_msm_pipe_close(struct msm_pipe *pipe); + +/* + * Helpers for cmdstream building: + */ + +enum adreno_pm4_packet_type { + CP_TYPE0_PKT = 0, + CP_TYPE1_PKT = 0x40000000, + CP_TYPE2_PKT = 0x80000000, + CP_TYPE3_PKT = 0xc0000000, + CP_TYPE4_PKT = 0x40000000, + CP_TYPE7_PKT = 0x70000000, +}; + +enum adreno_pm4_type3_packets { + CP_NOP = 16, +}; + +static inline unsigned +pm4_odd_parity_bit(unsigned val) +{ + /* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel + * note that we want odd parity so 0x6996 is inverted. + */ + val ^= val >> 16; + val ^= val >> 8; + val ^= val >> 4; + val &= 0xf; + return (~0x6996 >> val) & 1; +} + +static inline uint32_t +pm4_pkt0_hdr(uint16_t regindx, uint16_t cnt) +{ + return CP_TYPE0_PKT | ((cnt - 1) << 16) | (regindx & 0x7fff); +} + +static inline uint32_t +pm4_pkt3_hdr(uint8_t opcode, uint16_t cnt) +{ + return CP_TYPE3_PKT | ((cnt - 1) << 16) | ((opcode & 0xff) << 8); +} + +static inline uint32_t +pm4_pkt4_hdr(uint16_t regindx, uint16_t cnt) +{ + return CP_TYPE4_PKT | cnt | (pm4_odd_parity_bit(cnt) << 7) | + ((regindx & 0x3ffff) << 8) | + ((pm4_odd_parity_bit(regindx) << 27)); +} + +static inline uint32_t +pm4_pkt7_hdr(uint8_t opcode, uint16_t cnt) +{ + return CP_TYPE7_PKT | cnt | (pm4_odd_parity_bit(cnt) << 15) | + ((opcode & 0x7f) << 16) | + ((pm4_odd_parity_bit(opcode) << 23)); +} + +#define U642VOID(x) ((void *)(uintptr_t)(x)) +#define VOID2U64(x) ((uint64_t)(uintptr_t)(x)) + +#endif /* IGT_MSM_H */ diff --git a/lib/meson.build b/lib/meson.build index 67d40512..c3080fc8 100644 --- a/lib/meson.build +++ b/lib/meson.build @@ -82,6 +82,7 @@ lib_sources = [ 'igt_eld.c', 'igt_infoframe.c', 'veboxcopy_gen12.c', + 'igt_msm.c', ] lib_deps = [