diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2018-02-02 18:15:00 +0100 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2018-02-09 20:30:16 +0100 |
| commit | ad5b702fec3f9cb54feeb403e7b31c10ebc0ca7c (patch) | |
| tree | acc913e75267852b1e6030093146ce84700e96a9 | |
| parent | deb59781fcc1183e19cca67e2db35c2e21f40ed5 (diff) | |
amdgpu: add amdgpu_query_sw_info for querying high bits of 32-bit address space
Reviewed-by: Christian König <christian.koenig@amd.com>
| -rw-r--r-- | amdgpu/amdgpu.h | 21 | ||||
| -rw-r--r-- | amdgpu/amdgpu_device.c | 14 | ||||
| -rw-r--r-- | amdgpu/amdgpu_internal.h | 1 |
3 files changed, 36 insertions, 0 deletions
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h index 2eb03bf1..928b2a68 100644 --- a/amdgpu/amdgpu.h +++ b/amdgpu/amdgpu.h @@ -94,6 +94,10 @@ enum amdgpu_gpu_va_range amdgpu_gpu_va_range_general = 0 }; +enum amdgpu_sw_info { + amdgpu_sw_info_address32_hi = 0, +}; + /*--------------------------------------------------------------------------*/ /* -------------------------- Datatypes ----------------------------------- */ /*--------------------------------------------------------------------------*/ @@ -1086,6 +1090,23 @@ int amdgpu_query_info(amdgpu_device_handle dev, unsigned info_id, unsigned size, void *value); /** + * Query hardware or driver information. + * + * The return size is query-specific and depends on the "info_id" parameter. + * No more than "size" bytes is returned. + * + * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() + * \param info - \c [in] amdgpu_sw_info_* + * \param value - \c [out] Pointer to the return value. + * + * \return 0 on success\n + * <0 - Negative POSIX error code + * +*/ +int amdgpu_query_sw_info(amdgpu_device_handle dev, enum amdgpu_sw_info info, + void *value); + +/** * Query information about GDS * * \param dev - \c [in] Device handle. See #amdgpu_device_initialize() diff --git a/amdgpu/amdgpu_device.c b/amdgpu/amdgpu_device.c index f34e27a9..6ee25a9e 100644 --- a/amdgpu/amdgpu_device.c +++ b/amdgpu/amdgpu_device.c @@ -275,6 +275,7 @@ int amdgpu_device_initialize(int fd, max = MIN2(max, (start & ~0xffffffffULL) + 0x100000000ULL); amdgpu_vamgr_init(&dev->vamgr_32, start, max, dev->dev_info.virtual_address_alignment); + dev->address32_hi = start >> 32; start = max; if (dev->dev_info.high_va_offset && dev->dev_info.high_va_max) @@ -312,3 +313,16 @@ const char *amdgpu_get_marketing_name(amdgpu_device_handle dev) { return dev->marketing_name; } + +int amdgpu_query_sw_info(amdgpu_device_handle dev, enum amdgpu_sw_info info, + void *value) +{ + uint32_t *val32 = (uint32_t*)value; + + switch (info) { + case amdgpu_sw_info_address32_hi: + *val32 = dev->address32_hi; + return 0; + } + return -EINVAL; +} diff --git a/amdgpu/amdgpu_internal.h b/amdgpu/amdgpu_internal.h index 75276a99..dd0c3a61 100644 --- a/amdgpu/amdgpu_internal.h +++ b/amdgpu/amdgpu_internal.h @@ -73,6 +73,7 @@ struct amdgpu_device { int flink_fd; unsigned major_version; unsigned minor_version; + uint32_t address32_hi; char *marketing_name; /** List of buffer handles. Protected by bo_table_mutex. */ |