diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/Makefile | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 105 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 54 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | 308 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.h | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h | 99 |
9 files changed, 532 insertions, 96 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 7d7af43a258f..b525f9be9326 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -58,7 +58,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \ amdgpu_vm_sdma.o amdgpu_discovery.o amdgpu_ras_eeprom.o amdgpu_nbio.o \ amdgpu_umc.o smu_v11_0_i2c.o amdgpu_fru_eeprom.o amdgpu_rap.o \ amdgpu_fw_attestation.o amdgpu_securedisplay.o \ - amdgpu_eeprom.o amdgpu_mca.o + amdgpu_eeprom.o amdgpu_mca.o amdgpu_psp_ta.o amdgpu-$(CONFIG_PROC_FS) += amdgpu_fdinfo.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 13e4d8f9b874..eedb12f6b8a3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -38,6 +38,7 @@ #include "amdgpu_umr.h" #include "amdgpu_reset.h" +#include "amdgpu_psp_ta.h" #if defined(CONFIG_DEBUG_FS) @@ -1767,6 +1768,7 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) DRM_ERROR("registering register debugfs failed (%d).\n", r); amdgpu_debugfs_firmware_init(adev); + amdgpu_ta_if_debugfs_init(adev); #if defined(CONFIG_DRM_AMD_DC) if (amdgpu_device_has_dc_support(adev)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index fb69b4188c8a..94666c2417c6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3700,7 +3700,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, /* enable PCIE atomic ops */ if (amdgpu_sriov_vf(adev)) adev->have_atomics_support = ((struct amd_sriov_msg_pf2vf_info *) - adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_enabled_flags == + adev->virt.fw_reserve.p_pf2vf)->pcie_atomic_ops_support_flags == (PCI_EXP_DEVCAP2_ATOMIC_COMP32 | PCI_EXP_DEVCAP2_ATOMIC_COMP64); else adev->have_atomics_support = diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index 4efaa183abcd..ebd37fb19cdb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2395,6 +2395,71 @@ static int amdgpu_pmops_restore(struct device *dev) return amdgpu_device_resume(drm_dev, true); } +static int amdgpu_runtime_idle_check_display(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *drm_dev = pci_get_drvdata(pdev); + struct amdgpu_device *adev = drm_to_adev(drm_dev); + + if (adev->mode_info.num_crtc) { + struct drm_connector *list_connector; + struct drm_connector_list_iter iter; + int ret = 0; + + /* XXX: Return busy if any displays are connected to avoid + * possible display wakeups after runtime resume due to + * hotplug events in case any displays were connected while + * the GPU was in suspend. Remove this once that is fixed. + */ + mutex_lock(&drm_dev->mode_config.mutex); + drm_connector_list_iter_begin(drm_dev, &iter); + drm_for_each_connector_iter(list_connector, &iter) { + if (list_connector->status == connector_status_connected) { + ret = -EBUSY; + break; + } + } + drm_connector_list_iter_end(&iter); + mutex_unlock(&drm_dev->mode_config.mutex); + + if (ret) + return ret; + + if (amdgpu_device_has_dc_support(adev)) { + struct drm_crtc *crtc; + + drm_for_each_crtc(crtc, drm_dev) { + drm_modeset_lock(&crtc->mutex, NULL); + if (crtc->state->active) + ret = -EBUSY; + drm_modeset_unlock(&crtc->mutex); + if (ret < 0) + break; + } + } else { + mutex_lock(&drm_dev->mode_config.mutex); + drm_modeset_lock(&drm_dev->mode_config.connection_mutex, NULL); + + drm_connector_list_iter_begin(drm_dev, &iter); + drm_for_each_connector_iter(list_connector, &iter) { + if (list_connector->dpms == DRM_MODE_DPMS_ON) { + ret = -EBUSY; + break; + } + } + + drm_connector_list_iter_end(&iter); + + drm_modeset_unlock(&drm_dev->mode_config.connection_mutex); + mutex_unlock(&drm_dev->mode_config.mutex); + } + if (ret) + return ret; + } + + return 0; +} + static int amdgpu_pmops_runtime_suspend(struct device *dev) { struct pci_dev *pdev = to_pci_dev(dev); @@ -2407,6 +2472,10 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) return -EBUSY; } + ret = amdgpu_runtime_idle_check_display(dev); + if (ret) + return ret; + /* wait for all rings to drain before suspending */ for (i = 0; i < AMDGPU_MAX_RINGS; i++) { struct amdgpu_ring *ring = adev->rings[i]; @@ -2516,41 +2585,7 @@ static int amdgpu_pmops_runtime_idle(struct device *dev) return -EBUSY; } - if (amdgpu_device_has_dc_support(adev)) { - struct drm_crtc *crtc; - - drm_for_each_crtc(crtc, drm_dev) { - drm_modeset_lock(&crtc->mutex, NULL); - if (crtc->state->active) - ret = -EBUSY; - drm_modeset_unlock(&crtc->mutex); - if (ret < 0) - break; - } - - } else { - struct drm_connector *list_connector; - struct drm_connector_list_iter iter; - - mutex_lock(&drm_dev->mode_config.mutex); - drm_modeset_lock(&drm_dev->mode_config.connection_mutex, NULL); - - drm_connector_list_iter_begin(drm_dev, &iter); - drm_for_each_connector_iter(list_connector, &iter) { - if (list_connector->dpms == DRM_MODE_DPMS_ON) { - ret = -EBUSY; - break; - } - } - - drm_connector_list_iter_end(&iter); - - drm_modeset_unlock(&drm_dev->mode_config.connection_mutex); - mutex_unlock(&drm_dev->mode_config.mutex); - } - - if (ret == -EBUSY) - DRM_DEBUG_DRIVER("failing to power off - crtc active\n"); + ret = amdgpu_runtime_idle_check_display(dev); pm_runtime_mark_last_busy(dev); pm_runtime_autosuspend(dev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index a6acec1a6155..f6527aa19238 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -46,8 +46,6 @@ static int psp_sysfs_init(struct amdgpu_device *adev); static void psp_sysfs_fini(struct amdgpu_device *adev); static int psp_load_smu_fw(struct psp_context *psp); -static int psp_ta_unload(struct psp_context *psp, struct ta_context *context); -static int psp_ta_load(struct psp_context *psp, struct ta_context *context); static int psp_rap_terminate(struct psp_context *psp); static int psp_securedisplay_terminate(struct psp_context *psp); @@ -862,7 +860,7 @@ static void psp_prep_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd, cmd->cmd.cmd_unload_ta.session_id = session_id; } -static int psp_ta_unload(struct psp_context *psp, struct ta_context *context) +int psp_ta_unload(struct psp_context *psp, struct ta_context *context) { int ret; struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp); @@ -944,7 +942,7 @@ static void psp_prep_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd, cmd->cmd.cmd_load_ta.cmd_buf_len = context->mem_context.shared_mem_size; } -static int psp_ta_init_shared_buf(struct psp_context *psp, +int psp_ta_init_shared_buf(struct psp_context *psp, struct ta_mem_context *mem_ctx) { /* @@ -958,7 +956,7 @@ static int psp_ta_init_shared_buf(struct psp_context *psp, &mem_ctx->shared_buf); } -static void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx) +void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx) { amdgpu_bo_free_kernel(&mem_ctx->shared_bo, &mem_ctx->shared_mc_addr, &mem_ctx->shared_buf); @@ -969,6 +967,42 @@ static int psp_xgmi_init_shared_buf(struct psp_context *psp) return psp_ta_init_shared_buf(psp, &psp->xgmi_context.context.mem_context); } +static void psp_prep_ta_invoke_indirect_cmd_buf(struct psp_gfx_cmd_resp *cmd, + uint32_t ta_cmd_id, + struct ta_context *context) +{ + cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD; + cmd->cmd.cmd_invoke_cmd.session_id = context->session_id; + cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id; + + cmd->cmd.cmd_invoke_cmd.buf.num_desc = 1; + cmd->cmd.cmd_invoke_cmd.buf.total_size = context->mem_context.shared_mem_size; + cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_size = context->mem_context.shared_mem_size; + cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_lo = + lower_32_bits(context->mem_context.shared_mc_addr); + cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_hi = + upper_32_bits(context->mem_context.shared_mc_addr); +} + +int psp_ta_invoke_indirect(struct psp_context *psp, + uint32_t ta_cmd_id, + struct ta_context *context) +{ + int ret; + struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp); + + psp_prep_ta_invoke_indirect_cmd_buf(cmd, ta_cmd_id, context); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, + psp->fence_buf_mc_addr); + + context->resp_status = cmd->resp.status; + + release_psp_cmd_buf(psp); + + return ret; +} + static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd, uint32_t ta_cmd_id, uint32_t session_id) @@ -978,7 +1012,7 @@ static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd, cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id; } -static int psp_ta_invoke(struct psp_context *psp, +int psp_ta_invoke(struct psp_context *psp, uint32_t ta_cmd_id, struct ta_context *context) { @@ -990,12 +1024,14 @@ static int psp_ta_invoke(struct psp_context *psp, ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + context->resp_status = cmd->resp.status; + release_psp_cmd_buf(psp); return ret; } -static int psp_ta_load(struct psp_context *psp, struct ta_context *context) +int psp_ta_load(struct psp_context *psp, struct ta_context *context) { int ret; struct psp_gfx_cmd_resp *cmd; @@ -1010,6 +1046,8 @@ static int psp_ta_load(struct psp_context *psp, struct ta_context *context) ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + context->resp_status = cmd->resp.status; + if (!ret) { context->session_id = cmd->resp.session_id; } @@ -1415,7 +1453,7 @@ int psp_ras_enable_features(struct psp_context *psp, return 0; } -static int psp_ras_terminate(struct psp_context *psp) +int psp_ras_terminate(struct psp_context *psp) { int ret; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index ff7d533eb746..cf8d3199b35b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -48,6 +48,17 @@ enum psp_shared_mem_size { PSP_SECUREDISPLAY_SHARED_MEM_SIZE = 0x4000, }; +enum ta_type_id { + TA_TYPE_XGMI = 1, + TA_TYPE_RAS, + TA_TYPE_HDCP, + TA_TYPE_DTM, + TA_TYPE_RAP, + TA_TYPE_SECUREDISPLAY, + + TA_TYPE_MAX_INDEX, +}; + struct psp_context; struct psp_xgmi_node_info; struct psp_xgmi_topology_info; @@ -151,9 +162,11 @@ struct ta_mem_context { struct ta_context { bool initialized; uint32_t session_id; + uint32_t resp_status; struct ta_mem_context mem_context; struct psp_bin_desc bin_desc; enum psp_gfx_cmd_id ta_load_type; + enum ta_type_id ta_type; }; struct ta_cp_context { @@ -407,6 +420,18 @@ int psp_gpu_reset(struct amdgpu_device *adev); int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx, uint64_t cmd_gpu_addr, int cmd_size); +int psp_ta_init_shared_buf(struct psp_context *psp, + struct ta_mem_context *mem_ctx); +void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx); +int psp_ta_unload(struct psp_context *psp, struct ta_context *context); +int psp_ta_load(struct psp_context *psp, struct ta_context *context); +int psp_ta_invoke(struct psp_context *psp, + uint32_t ta_cmd_id, + struct ta_context *context); +int psp_ta_invoke_indirect(struct psp_context *psp, + uint32_t ta_cmd_id, + struct ta_context *context); + int psp_xgmi_initialize(struct psp_context *psp, bool set_extended_data, bool load_ta); int psp_xgmi_terminate(struct psp_context *psp); int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id); @@ -425,6 +450,7 @@ int psp_ras_enable_features(struct psp_context *psp, union ta_ras_cmd_input *info, bool enable); int psp_ras_trigger_error(struct psp_context *psp, struct ta_ras_trigger_error_input *info); +int psp_ras_terminate(struct psp_context *psp); int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id); int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c new file mode 100644 index 000000000000..247a476e6354 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c @@ -0,0 +1,308 @@ +/* + * Copyright 2022 Advanced Micro Devices, 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 "amdgpu.h" +#include "amdgpu_psp_ta.h" + +static const char *TA_IF_FS_NAME = "ta_if"; + +struct dentry *dir; +static struct dentry *ta_load_debugfs_dentry; +static struct dentry *ta_unload_debugfs_dentry; +static struct dentry *ta_invoke_debugfs_dentry; + +static ssize_t ta_if_load_debugfs_write(struct file *fp, const char *buf, + size_t len, loff_t *off); +static ssize_t ta_if_unload_debugfs_write(struct file *fp, const char *buf, + size_t len, loff_t *off); +static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf, + size_t len, loff_t *off); + + +static uint32_t get_bin_version(const uint8_t *bin) +{ + const struct common_firmware_header *hdr = + (const struct common_firmware_header *)bin; + + return hdr->ucode_version; +} + +static void prep_ta_mem_context(struct psp_context *psp, + struct ta_context *context, + uint8_t *shared_buf, + uint32_t shared_buf_len) +{ + context->mem_context.shared_mem_size = PAGE_ALIGN(shared_buf_len); + psp_ta_init_shared_buf(psp, &context->mem_context); + + memcpy((void *)context->mem_context.shared_buf, shared_buf, shared_buf_len); +} + +static bool is_ta_type_valid(enum ta_type_id ta_type) +{ + bool ret = false; + + switch (ta_type) { + case TA_TYPE_RAS: + ret = true; + break; + default: + break; + } + + return ret; +} + +static const struct file_operations ta_load_debugfs_fops = { + .write = ta_if_load_debugfs_write, + .llseek = default_llseek, + .owner = THIS_MODULE +}; + +static const struct file_operations ta_unload_debugfs_fops = { + .write = ta_if_unload_debugfs_write, + .llseek = default_llseek, + .owner = THIS_MODULE +}; + +static const struct file_operations ta_invoke_debugfs_fops = { + .write = ta_if_invoke_debugfs_write, + .llseek = default_llseek, + .owner = THIS_MODULE +}; + + +/** + * DOC: AMDGPU TA debugfs interfaces + * + * Three debugfs interfaces can be opened by a program to + * load/invoke/unload TA, + * + * - /sys/kernel/debug/dri/<N>/ta_if/ta_load + * - /sys/kernel/debug/dri/<N>/ta_if/ta_invoke + * - /sys/kernel/debug/dri/<N>/ta_if/ta_unload + * + * How to use the interfaces in a program? + * + * A program needs to provide transmit buffer to the interfaces + * and will receive buffer from the interfaces below, + * + * - For TA load debugfs interface: + * Transmit buffer: + * - TA type (4bytes) + * - TA bin length (4bytes) + * - TA bin + * Receive buffer: + * - TA ID (4bytes) + * + * - For TA invoke debugfs interface: + * Transmit buffer: + * - TA ID (4bytes) + * - TA CMD ID (4bytes) + * - TA shard buf length (4bytes) + * - TA shared buf + * Receive buffer: + * - TA shared buf + * + * - For TA unload debugfs interface: + * Transmit buffer: + * - TA ID (4bytes) + */ + +static ssize_t ta_if_load_debugfs_write(struct file *fp, const char *buf, size_t len, loff_t *off) +{ + uint32_t ta_type = 0; + uint32_t ta_bin_len = 0; + uint8_t *ta_bin = NULL; + uint32_t copy_pos = 0; + int ret = 0; + + struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(fp)->i_private; + struct psp_context *psp = &adev->psp; + struct ta_context context = {0}; + + if (!buf) + return -EINVAL; + + ret = copy_from_user((void *)&ta_type, &buf[copy_pos], sizeof(uint32_t)); + if (ret || (!is_ta_type_valid(ta_type))) + return -EINVAL; + + copy_pos += sizeof(uint32_t); + + ret = copy_from_user((void *)&ta_bin_len, &buf[copy_pos], sizeof(uint32_t)); + if (ret) + return -EINVAL; + + copy_pos += sizeof(uint32_t); + + ta_bin = kzalloc(ta_bin_len, GFP_KERNEL); + if (!ta_bin) + ret = -ENOMEM; + ret = copy_from_user((void *)ta_bin, &buf[copy_pos], ta_bin_len); + if (ret) + goto err_free_bin; + + ret = psp_ras_terminate(psp); + if (ret) { + dev_err(adev->dev, "Failed to unload embedded RAS TA\n"); + goto err_free_bin; + } + + context.ta_type = ta_type; + context.ta_load_type = GFX_CMD_ID_LOAD_TA; + context.bin_desc.fw_version = get_bin_version(ta_bin); + context.bin_desc.size_bytes = ta_bin_len; + context.bin_desc.start_addr = ta_bin; + + ret = psp_ta_load(psp, &context); + + if (ret || context.resp_status) { + dev_err(adev->dev, "TA load via debugfs failed (%d) status %d\n", + ret, context.resp_status); + goto err_free_bin; + } + + context.initialized = true; + ret = copy_to_user((char *)buf, (void *)&context.session_id, sizeof(uint32_t)); + +err_free_bin: + kfree(ta_bin); + + return ret; +} + +static ssize_t ta_if_unload_debugfs_write(struct file *fp, const char *buf, size_t len, loff_t *off) +{ + uint32_t ta_id = 0; + int ret = 0; + + struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(fp)->i_private; + struct psp_context *psp = &adev->psp; + struct ta_context context = {0}; + + if (!buf) + return -EINVAL; + + ret = copy_from_user((void *)&ta_id, buf, sizeof(uint32_t)); + if (ret) + return -EINVAL; + + context.session_id = ta_id; + + ret = psp_ta_unload(psp, &context); + if (!ret) + context.initialized = false; + + return ret; +} + +static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf, size_t len, loff_t *off) +{ + uint32_t ta_id = 0; + uint32_t cmd_id = 0; + uint32_t shared_buf_len = 0; + uint8_t *shared_buf = NULL; + uint32_t copy_pos = 0; + int ret = 0; + + struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(fp)->i_private; + struct psp_context *psp = &adev->psp; + struct ta_context context = {0}; + + if (!buf) + return -EINVAL; + + ret = copy_from_user((void *)&ta_id, &buf[copy_pos], sizeof(uint32_t)); + if (ret) + return -EINVAL; + copy_pos += sizeof(uint32_t); + + ret = copy_from_user((void *)&cmd_id, &buf[copy_pos], sizeof(uint32_t)); + if (ret) + return -EINVAL; + copy_pos += sizeof(uint32_t); + + ret = copy_from_user((void *)&shared_buf_len, &buf[copy_pos], sizeof(uint32_t)); + if (ret) + return -EINVAL; + copy_pos += sizeof(uint32_t); + + shared_buf = kzalloc(shared_buf_len, GFP_KERNEL); + if (!shared_buf) + ret = -ENOMEM; + ret = copy_from_user((void *)shared_buf, &buf[copy_pos], shared_buf_len); + if (ret) + goto err_free_shared_buf; + + context.session_id = ta_id; + + prep_ta_mem_context(psp, &context, shared_buf, shared_buf_len); + + ret = psp_ta_invoke_indirect(psp, cmd_id, &context); + + if (ret || context.resp_status) { + dev_err(adev->dev, "TA invoke via debugfs failed (%d) status %d\n", + ret, context.resp_status); + goto err_free_ta_shared_buf; + } + + ret = copy_to_user((char *)buf, context.mem_context.shared_buf, shared_buf_len); + +err_free_ta_shared_buf: + psp_ta_free_shared_buf(&context.mem_context); + +err_free_shared_buf: + kfree(shared_buf); + + return ret; +} + +static struct dentry *amdgpu_ta_if_debugfs_create(struct amdgpu_device *adev) +{ + struct drm_minor *minor = adev_to_drm(adev)->primary; + + dir = debugfs_create_dir(TA_IF_FS_NAME, minor->debugfs_root); + + ta_load_debugfs_dentry = debugfs_create_file("ta_load", 0200, dir, adev, + &ta_load_debugfs_fops); + + ta_unload_debugfs_dentry = debugfs_create_file("ta_unload", 0200, dir, + adev, &ta_unload_debugfs_fops); + + ta_invoke_debugfs_dentry = debugfs_create_file("ta_invoke", 0200, dir, + adev, &ta_invoke_debugfs_fops); + return dir; +} + +void amdgpu_ta_if_debugfs_init(struct amdgpu_device *adev) +{ +#if defined(CONFIG_DEBUG_FS) + dir = amdgpu_ta_if_debugfs_create(adev); +#endif +} + +void amdgpu_ta_if_debugfs_remove(void) +{ + debugfs_remove_recursive(dir); +} diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.h new file mode 100644 index 000000000000..883f89d57616 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.h @@ -0,0 +1,30 @@ +/* + * Copyright 2022 Advanced Micro Devices, 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 __AMDGPU_PSP_TA_H__ +#define __AMDGPU_PSP_TA_H__ + +void amdgpu_ta_if_debugfs_init(struct amdgpu_device *adev); +void amdgpu_ta_if_debugfs_remove(void); + +#endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h index 7326b6c1b71c..e78e4c27b62a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h @@ -1,34 +1,33 @@ /* - * Copyright 2018-2019 Advanced Micro Devices, Inc. + * Copyright (c) 2018-2021 Advanced Micro Devices, Inc. All rights reserved. * - * 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: + * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. - * + * 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 AMDGV_SRIOV_MSG__H_ #define AMDGV_SRIOV_MSG__H_ /* unit in kilobytes */ -#define AMD_SRIOV_MSG_VBIOS_OFFSET 0 -#define AMD_SRIOV_MSG_VBIOS_SIZE_KB 64 -#define AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB AMD_SRIOV_MSG_VBIOS_SIZE_KB -#define AMD_SRIOV_MSG_DATAEXCHANGE_SIZE_KB 4 +#define AMD_SRIOV_MSG_VBIOS_OFFSET 0 +#define AMD_SRIOV_MSG_VBIOS_SIZE_KB 64 +#define AMD_SRIOV_MSG_DATAEXCHANGE_OFFSET_KB AMD_SRIOV_MSG_VBIOS_SIZE_KB +#define AMD_SRIOV_MSG_DATAEXCHANGE_SIZE_KB 4 /* * layout @@ -51,10 +50,10 @@ * v2 defined in amdgim * v3 current */ -#define AMD_SRIOV_MSG_FW_VRAM_PF2VF_VER 2 -#define AMD_SRIOV_MSG_FW_VRAM_VF2PF_VER 3 +#define AMD_SRIOV_MSG_FW_VRAM_PF2VF_VER 2 +#define AMD_SRIOV_MSG_FW_VRAM_VF2PF_VER 3 -#define AMD_SRIOV_MSG_RESERVE_UCODE 24 +#define AMD_SRIOV_MSG_RESERVE_UCODE 24 #define AMD_SRIOV_MSG_RESERVE_VCN_INST 4 @@ -83,19 +82,19 @@ enum amd_sriov_ucode_engine_id { AMD_SRIOV_UCODE_ID__MAX }; -#pragma pack(push, 1) // PF2VF / VF2PF data areas are byte packed +#pragma pack(push, 1) // PF2VF / VF2PF data areas are byte packed union amd_sriov_msg_feature_flags { struct { - uint32_t error_log_collect : 1; - uint32_t host_load_ucodes : 1; - uint32_t host_flr_vramlost : 1; - uint32_t mm_bw_management : 1; - uint32_t pp_one_vf_mode : 1; - uint32_t reg_indirect_acc : 1; - uint32_t reserved : 26; + uint32_t error_log_collect : 1; + uint32_t host_load_ucodes : 1; + uint32_t host_flr_vramlost : 1; + uint32_t mm_bw_management : 1; + uint32_t pp_one_vf_mode : 1; + uint32_t reg_indirect_acc : 1; + uint32_t reserved : 26; } flags; - uint32_t all; + uint32_t all; }; union amd_sriov_reg_access_flags { @@ -110,10 +109,10 @@ union amd_sriov_reg_access_flags { union amd_sriov_msg_os_info { struct { - uint32_t windows : 1; - uint32_t reserved : 31; + uint32_t windows : 1; + uint32_t reserved : 31; } info; - uint32_t all; + uint32_t all; }; struct amd_sriov_msg_uuid_info { @@ -156,6 +155,7 @@ struct amd_sriov_msg_pf2vf_info_header { uint32_t reserved[2]; }; +#define AMD_SRIOV_MSG_PF2VF_INFO_FILLED_SIZE (48) struct amd_sriov_msg_pf2vf_info { /* header contains size and version */ struct amd_sriov_msg_pf2vf_info_header header; @@ -204,10 +204,10 @@ struct amd_sriov_msg_pf2vf_info { } mm_bw_management[AMD_SRIOV_MSG_RESERVE_VCN_INST]; /* UUID info */ struct amd_sriov_msg_uuid_info uuid_info; - /* pcie atomic Ops info */ - uint32_t pcie_atomic_ops_enabled_flags; + /* PCIE atomic ops support flag */ + uint32_t pcie_atomic_ops_support_flags; /* reserved */ - uint32_t reserved[256 - 48]; + uint32_t reserved[256 - AMD_SRIOV_MSG_PF2VF_INFO_FILLED_SIZE]; }; struct amd_sriov_msg_vf2pf_info_header { @@ -219,12 +219,13 @@ struct amd_sriov_msg_vf2pf_info_header { uint32_t reserved[2]; }; +#define AMD_SRIOV_MSG_VF2PF_INFO_FILLED_SIZE (70) struct amd_sriov_msg_vf2pf_info { /* header contains size and version */ struct amd_sriov_msg_vf2pf_info_header header; uint32_t checksum; /* driver version */ - uint8_t driver_version[64]; + uint8_t driver_version[64]; /* driver certification, 1=WHQL, 0=None */ uint32_t driver_cert; /* guest OS type and version */ @@ -258,13 +259,13 @@ struct amd_sriov_msg_vf2pf_info { uint32_t fb_size; /* guest ucode data, each one is 1.25 Dword */ struct { - uint8_t id; + uint8_t id; uint32_t version; } ucode_info[AMD_SRIOV_MSG_RESERVE_UCODE]; uint64_t dummy_page_addr; /* reserved */ - uint32_t reserved[256-70]; + uint32_t reserved[256 - AMD_SRIOV_MSG_VF2PF_INFO_FILLED_SIZE]; }; /* mailbox message send from guest to host */ @@ -276,7 +277,7 @@ enum amd_sriov_mailbox_request_message { MB_REQ_MSG_REQ_GPU_RESET_ACCESS, MB_REQ_MSG_REQ_GPU_INIT_DATA, - MB_REQ_MSG_LOG_VF_ERROR = 200, + MB_REQ_MSG_LOG_VF_ERROR = 200, }; /* mailbox message send from host to guest */ @@ -298,17 +299,15 @@ enum amd_sriov_gpu_init_data_version { GPU_INIT_DATA_READY_V1 = 1, }; -#pragma pack(pop) // Restore previous packing option +#pragma pack(pop) // Restore previous packing option /* checksum function between host and guest */ -unsigned int amd_sriov_msg_checksum(void *obj, - unsigned long obj_size, - unsigned int key, - unsigned int checksum); +unsigned int amd_sriov_msg_checksum(void *obj, unsigned long obj_size, unsigned int key, + unsigned int checksum); /* assertion at compile time */ #ifdef __linux__ -#define stringification(s) _stringification(s) +#define stringification(s) _stringification(s) #define _stringification(s) #s _Static_assert( @@ -319,13 +318,11 @@ _Static_assert( sizeof(struct amd_sriov_msg_pf2vf_info) == AMD_SRIOV_MSG_SIZE_KB << 10, "amd_sriov_msg_pf2vf_info must be " stringification(AMD_SRIOV_MSG_SIZE_KB) " KB"); -_Static_assert( - AMD_SRIOV_MSG_RESERVE_UCODE % 4 == 0, - "AMD_SRIOV_MSG_RESERVE_UCODE must be multiple of 4"); +_Static_assert(AMD_SRIOV_MSG_RESERVE_UCODE % 4 == 0, + "AMD_SRIOV_MSG_RESERVE_UCODE must be multiple of 4"); -_Static_assert( - AMD_SRIOV_MSG_RESERVE_UCODE > AMD_SRIOV_UCODE_ID__MAX, - "AMD_SRIOV_MSG_RESERVE_UCODE must be bigger than AMD_SRIOV_UCODE_ID__MAX"); +_Static_assert(AMD_SRIOV_MSG_RESERVE_UCODE > AMD_SRIOV_UCODE_ID__MAX, + "AMD_SRIOV_MSG_RESERVE_UCODE must be bigger than AMD_SRIOV_UCODE_ID__MAX"); #undef _stringification #undef stringification |