#include <drm/amdxdna_accel.h>
#include <drm/drm_device.h>
#include <drm/drm_drv.h>
#include <drm/drm_gem_shmem_helper.h>
#include <drm/drm_managed.h>
#include <drm/drm_print.h>
#include <drm/gpu_scheduler.h>
#include <linux/cleanup.h>
#include <linux/errno.h>
#include <linux/firmware.h>
#include <linux/iommu.h>
#include <linux/iopoll.h>
#include <linux/pci.h>
#include <linux/xarray.h>
#include <asm/hypervisor.h>
#include "aie2_msg_priv.h"
#include "aie2_pci.h"
#include "aie2_solver.h"
#include "amdxdna_ctx.h"
#include "amdxdna_gem.h"
#include "amdxdna_mailbox.h"
#include "amdxdna_pci_drv.h"
#include "amdxdna_pm.h"
static int aie2_max_col = XRS_MAX_COL;
module_param(aie2_max_col, uint, 0600);
MODULE_PARM_DESC(aie2_max_col, "Maximum column could be used");
static char *npu_fw[] = {
"npu_7.sbin",
"npu.sbin"
};
#define MGMT_MBOX_MAGIC 0x55504e5f
struct mgmt_mbox_chann_info {
__u32 x2i_tail;
__u32 x2i_head;
__u32 x2i_buf;
__u32 x2i_buf_sz;
__u32 i2x_tail;
__u32 i2x_head;
__u32 i2x_buf;
__u32 i2x_buf_sz;
__u32 magic;
__u32 msi_id;
__u32 prot_major;
__u32 prot_minor;
__u32 rsvd[4];
};
static int aie2_check_protocol(struct amdxdna_dev_hdl *ndev, u32 fw_major, u32 fw_minor)
{
const struct aie2_fw_feature_tbl *feature;
bool found = false;
for (feature = ndev->priv->fw_feature_tbl; feature->major; feature++) {
if (feature->major != fw_major)
continue;
if (fw_minor < feature->min_minor)
continue;
if (feature->max_minor > 0 && fw_minor > feature->max_minor)
continue;
ndev->feature_mask |= feature->features;
found = true;
}
return found ? 0 : -EOPNOTSUPP;
}
static void aie2_dump_chann_info_debug(struct amdxdna_dev_hdl *ndev)
{
struct amdxdna_dev *xdna = ndev->xdna;
XDNA_DBG(xdna, "i2x tail 0x%x", ndev->mgmt_i2x.mb_tail_ptr_reg);
XDNA_DBG(xdna, "i2x head 0x%x", ndev->mgmt_i2x.mb_head_ptr_reg);
XDNA_DBG(xdna, "i2x ringbuf 0x%x", ndev->mgmt_i2x.rb_start_addr);
XDNA_DBG(xdna, "i2x rsize 0x%x", ndev->mgmt_i2x.rb_size);
XDNA_DBG(xdna, "x2i tail 0x%x", ndev->mgmt_x2i.mb_tail_ptr_reg);
XDNA_DBG(xdna, "x2i head 0x%x", ndev->mgmt_x2i.mb_head_ptr_reg);
XDNA_DBG(xdna, "x2i ringbuf 0x%x", ndev->mgmt_x2i.rb_start_addr);
XDNA_DBG(xdna, "x2i rsize 0x%x", ndev->mgmt_x2i.rb_size);
XDNA_DBG(xdna, "x2i chann index 0x%x", ndev->mgmt_chan_idx);
XDNA_DBG(xdna, "mailbox protocol major 0x%x", ndev->mgmt_prot_major);
XDNA_DBG(xdna, "mailbox protocol minor 0x%x", ndev->mgmt_prot_minor);
}
static int aie2_get_mgmt_chann_info(struct amdxdna_dev_hdl *ndev)
{
struct mgmt_mbox_chann_info info_regs;
struct xdna_mailbox_chann_res *i2x;
struct xdna_mailbox_chann_res *x2i;
u32 addr, off;
u32 *reg;
int ret;
int i;
ret = readx_poll_timeout(readl, SRAM_GET_ADDR(ndev, FW_ALIVE_OFF),
addr, addr, AIE2_INTERVAL, AIE2_TIMEOUT);
if (ret || !addr)
return -ETIME;
off = AIE2_SRAM_OFF(ndev, addr);
reg = (u32 *)&info_regs;
for (i = 0; i < sizeof(info_regs) / sizeof(u32); i++)
reg[i] = readl(ndev->sram_base + off + i * sizeof(u32));
if (info_regs.magic != MGMT_MBOX_MAGIC) {
XDNA_ERR(ndev->xdna, "Invalid mbox magic 0x%x", info_regs.magic);
ret = -EINVAL;
goto done;
}
i2x = &ndev->mgmt_i2x;
x2i = &ndev->mgmt_x2i;
i2x->mb_head_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.i2x_head);
i2x->mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.i2x_tail);
i2x->rb_start_addr = AIE2_SRAM_OFF(ndev, info_regs.i2x_buf);
i2x->rb_size = info_regs.i2x_buf_sz;
x2i->mb_head_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.x2i_head);
x2i->mb_tail_ptr_reg = AIE2_MBOX_OFF(ndev, info_regs.x2i_tail);
x2i->rb_start_addr = AIE2_SRAM_OFF(ndev, info_regs.x2i_buf);
x2i->rb_size = info_regs.x2i_buf_sz;
ndev->mgmt_chan_idx = info_regs.msi_id;
ndev->mgmt_prot_major = info_regs.prot_major;
ndev->mgmt_prot_minor = info_regs.prot_minor;
ret = aie2_check_protocol(ndev, ndev->mgmt_prot_major, ndev->mgmt_prot_minor);
done:
aie2_dump_chann_info_debug(ndev);
writel(0, SRAM_GET_ADDR(ndev, FW_ALIVE_OFF));
return ret;
}
int aie2_runtime_cfg(struct amdxdna_dev_hdl *ndev,
enum rt_config_category category, u32 *val)
{
const struct rt_config *cfg;
u32 value;
int ret;
for (cfg = ndev->priv->rt_config; cfg->type; cfg++) {
if (cfg->category != category)
continue;
if (cfg->feature_mask &&
bitmap_subset(&cfg->feature_mask, &ndev->feature_mask, AIE2_FEATURE_MAX))
continue;
value = val ? *val : cfg->value;
ret = aie2_set_runtime_cfg(ndev, cfg->type, value);
if (ret) {
XDNA_ERR(ndev->xdna, "Set type %d value %d failed",
cfg->type, value);
return ret;
}
}
return 0;
}
static int aie2_xdna_reset(struct amdxdna_dev_hdl *ndev)
{
int ret;
ret = aie2_suspend_fw(ndev);
if (ret) {
XDNA_ERR(ndev->xdna, "Suspend firmware failed");
return ret;
}
ret = aie2_resume_fw(ndev);
if (ret) {
XDNA_ERR(ndev->xdna, "Resume firmware failed");
return ret;
}
return 0;
}
static int aie2_mgmt_fw_init(struct amdxdna_dev_hdl *ndev)
{
int ret;
ret = aie2_runtime_cfg(ndev, AIE2_RT_CFG_INIT, NULL);
if (ret) {
XDNA_ERR(ndev->xdna, "Runtime config failed");
return ret;
}
ret = aie2_assign_mgmt_pasid(ndev, 0);
if (ret) {
XDNA_ERR(ndev->xdna, "Can not assign PASID");
return ret;
}
ret = aie2_xdna_reset(ndev);
if (ret) {
XDNA_ERR(ndev->xdna, "Reset firmware failed");
return ret;
}
return 0;
}
static int aie2_mgmt_fw_query(struct amdxdna_dev_hdl *ndev)
{
int ret;
ret = aie2_query_firmware_version(ndev, &ndev->xdna->fw_ver);
if (ret) {
XDNA_ERR(ndev->xdna, "query firmware version failed");
return ret;
}
ret = aie2_query_aie_version(ndev, &ndev->version);
if (ret) {
XDNA_ERR(ndev->xdna, "Query AIE version failed");
return ret;
}
ret = aie2_query_aie_metadata(ndev, &ndev->metadata);
if (ret) {
XDNA_ERR(ndev->xdna, "Query AIE metadata failed");
return ret;
}
ndev->total_col = min(aie2_max_col, ndev->metadata.cols);
return 0;
}
static void aie2_mgmt_fw_fini(struct amdxdna_dev_hdl *ndev)
{
if (aie2_suspend_fw(ndev))
XDNA_ERR(ndev->xdna, "Suspend_fw failed");
XDNA_DBG(ndev->xdna, "Firmware suspended");
}
static int aie2_xrs_load(void *cb_arg, struct xrs_action_load *action)
{
struct amdxdna_hwctx *hwctx = cb_arg;
struct amdxdna_dev *xdna;
int ret;
xdna = hwctx->client->xdna;
hwctx->start_col = action->part.start_col;
hwctx->num_col = action->part.ncols;
ret = aie2_create_context(xdna->dev_handle, hwctx);
if (ret)
XDNA_ERR(xdna, "create context failed, ret %d", ret);
return ret;
}
static int aie2_xrs_unload(void *cb_arg)
{
struct amdxdna_hwctx *hwctx = cb_arg;
struct amdxdna_dev *xdna;
int ret;
xdna = hwctx->client->xdna;
ret = aie2_destroy_context(xdna->dev_handle, hwctx);
if (ret)
XDNA_ERR(xdna, "destroy context failed, ret %d", ret);
return ret;
}
static int aie2_xrs_set_dft_dpm_level(struct drm_device *ddev, u32 dpm_level)
{
struct amdxdna_dev *xdna = to_xdna_dev(ddev);
struct amdxdna_dev_hdl *ndev;
drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock));
ndev = xdna->dev_handle;
ndev->dft_dpm_level = dpm_level;
if (ndev->pw_mode != POWER_MODE_DEFAULT || ndev->dpm_level == dpm_level)
return 0;
return aie2_pm_set_dpm(ndev, dpm_level);
}
static struct xrs_action_ops aie2_xrs_actions = {
.load = aie2_xrs_load,
.unload = aie2_xrs_unload,
.set_dft_dpm_level = aie2_xrs_set_dft_dpm_level,
};
static void aie2_hw_stop(struct amdxdna_dev *xdna)
{
struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev);
struct amdxdna_dev_hdl *ndev = xdna->dev_handle;
if (ndev->dev_status <= AIE2_DEV_INIT) {
XDNA_ERR(xdna, "device is already stopped");
return;
}
aie2_runtime_cfg(ndev, AIE2_RT_CFG_CLK_GATING, NULL);
aie2_mgmt_fw_fini(ndev);
aie2_destroy_mgmt_chann(ndev);
drmm_kfree(&xdna->ddev, ndev->mbox);
ndev->mbox = NULL;
aie2_psp_stop(ndev->psp_hdl);
aie2_smu_fini(ndev);
aie2_error_async_events_free(ndev);
pci_disable_device(pdev);
ndev->dev_status = AIE2_DEV_INIT;
}
static int aie2_hw_start(struct amdxdna_dev *xdna)
{
struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev);
struct amdxdna_dev_hdl *ndev = xdna->dev_handle;
struct xdna_mailbox_res mbox_res;
u32 xdna_mailbox_intr_reg;
int mgmt_mb_irq, ret;
if (ndev->dev_status >= AIE2_DEV_START) {
XDNA_INFO(xdna, "device is already started");
return 0;
}
ret = pci_enable_device(pdev);
if (ret) {
XDNA_ERR(xdna, "failed to enable device, ret %d", ret);
return ret;
}
pci_set_master(pdev);
mbox_res.ringbuf_base = ndev->sram_base;
mbox_res.ringbuf_size = pci_resource_len(pdev, xdna->dev_info->sram_bar);
mbox_res.mbox_base = ndev->mbox_base;
mbox_res.mbox_size = MBOX_SIZE(ndev);
mbox_res.name = "xdna_mailbox";
ndev->mbox = xdnam_mailbox_create(&xdna->ddev, &mbox_res);
if (!ndev->mbox) {
XDNA_ERR(xdna, "failed to create mailbox device");
ret = -ENODEV;
goto disable_dev;
}
ndev->mgmt_chann = xdna_mailbox_alloc_channel(ndev->mbox);
if (!ndev->mgmt_chann) {
XDNA_ERR(xdna, "failed to alloc channel");
ret = -ENODEV;
goto disable_dev;
}
ret = aie2_smu_init(ndev);
if (ret) {
XDNA_ERR(xdna, "failed to init smu, ret %d", ret);
goto free_channel;
}
ret = aie2_psp_start(ndev->psp_hdl);
if (ret) {
XDNA_ERR(xdna, "failed to start psp, ret %d", ret);
goto fini_smu;
}
ret = aie2_get_mgmt_chann_info(ndev);
if (ret) {
XDNA_ERR(xdna, "firmware is not alive");
goto stop_psp;
}
mgmt_mb_irq = pci_irq_vector(pdev, ndev->mgmt_chan_idx);
if (mgmt_mb_irq < 0) {
ret = mgmt_mb_irq;
XDNA_ERR(xdna, "failed to alloc irq vector, ret %d", ret);
goto stop_psp;
}
xdna_mailbox_intr_reg = ndev->mgmt_i2x.mb_head_ptr_reg + 4;
ret = xdna_mailbox_start_channel(ndev->mgmt_chann,
&ndev->mgmt_x2i,
&ndev->mgmt_i2x,
xdna_mailbox_intr_reg,
mgmt_mb_irq);
if (ret) {
XDNA_ERR(xdna, "failed to start management mailbox channel");
ret = -EINVAL;
goto stop_psp;
}
ret = aie2_mgmt_fw_init(ndev);
if (ret) {
XDNA_ERR(xdna, "initial mgmt firmware failed, ret %d", ret);
goto stop_fw;
}
ret = aie2_pm_init(ndev);
if (ret) {
XDNA_ERR(xdna, "failed to init pm, ret %d", ret);
goto stop_fw;
}
ret = aie2_mgmt_fw_query(ndev);
if (ret) {
XDNA_ERR(xdna, "failed to query fw, ret %d", ret);
goto stop_fw;
}
ret = aie2_error_async_events_alloc(ndev);
if (ret) {
XDNA_ERR(xdna, "Allocate async events failed, ret %d", ret);
goto stop_fw;
}
ndev->dev_status = AIE2_DEV_START;
return 0;
stop_fw:
aie2_suspend_fw(ndev);
xdna_mailbox_stop_channel(ndev->mgmt_chann);
stop_psp:
aie2_psp_stop(ndev->psp_hdl);
fini_smu:
aie2_smu_fini(ndev);
free_channel:
xdna_mailbox_free_channel(ndev->mgmt_chann);
ndev->mgmt_chann = NULL;
disable_dev:
pci_disable_device(pdev);
return ret;
}
static int aie2_hw_suspend(struct amdxdna_dev *xdna)
{
struct amdxdna_client *client;
list_for_each_entry(client, &xdna->client_list, node)
aie2_hwctx_suspend(client);
aie2_hw_stop(xdna);
return 0;
}
static int aie2_hw_resume(struct amdxdna_dev *xdna)
{
struct amdxdna_client *client;
int ret;
ret = aie2_hw_start(xdna);
if (ret) {
XDNA_ERR(xdna, "Start hardware failed, %d", ret);
return ret;
}
list_for_each_entry(client, &xdna->client_list, node) {
ret = aie2_hwctx_resume(client);
if (ret)
break;
}
return ret;
}
static int aie2_init(struct amdxdna_dev *xdna)
{
struct pci_dev *pdev = to_pci_dev(xdna->ddev.dev);
void __iomem *tbl[PCI_NUM_RESOURCES] = {0};
struct init_config xrs_cfg = { 0 };
struct amdxdna_dev_hdl *ndev;
struct psp_config psp_conf;
const struct firmware *fw;
unsigned long bars = 0;
char *fw_full_path;
int i, nvec, ret;
if (!hypervisor_is_type(X86_HYPER_NATIVE)) {
XDNA_ERR(xdna, "Running under hypervisor not supported");
return -EINVAL;
}
ndev = drmm_kzalloc(&xdna->ddev, sizeof(*ndev), GFP_KERNEL);
if (!ndev)
return -ENOMEM;
ndev->priv = xdna->dev_info->dev_priv;
ndev->xdna = xdna;
for (i = 0; i < ARRAY_SIZE(npu_fw); i++) {
fw_full_path = kasprintf(GFP_KERNEL, "%s%s", ndev->priv->fw_path, npu_fw[i]);
if (!fw_full_path)
return -ENOMEM;
ret = firmware_request_nowarn(&fw, fw_full_path, &pdev->dev);
kfree(fw_full_path);
if (!ret) {
XDNA_INFO(xdna, "Load firmware %s%s", ndev->priv->fw_path, npu_fw[i]);
break;
}
}
if (ret) {
XDNA_ERR(xdna, "failed to request_firmware %s, ret %d",
ndev->priv->fw_path, ret);
return ret;
}
ret = pcim_enable_device(pdev);
if (ret) {
XDNA_ERR(xdna, "pcim enable device failed, ret %d", ret);
goto release_fw;
}
for (i = 0; i < PSP_MAX_REGS; i++)
set_bit(PSP_REG_BAR(ndev, i), &bars);
set_bit(xdna->dev_info->sram_bar, &bars);
set_bit(xdna->dev_info->smu_bar, &bars);
set_bit(xdna->dev_info->mbox_bar, &bars);
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
if (!test_bit(i, &bars))
continue;
tbl[i] = pcim_iomap(pdev, i, 0);
if (!tbl[i]) {
XDNA_ERR(xdna, "map bar %d failed", i);
ret = -ENOMEM;
goto release_fw;
}
}
ndev->sram_base = tbl[xdna->dev_info->sram_bar];
ndev->smu_base = tbl[xdna->dev_info->smu_bar];
ndev->mbox_base = tbl[xdna->dev_info->mbox_bar];
ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (ret) {
XDNA_ERR(xdna, "Failed to set DMA mask: %d", ret);
goto release_fw;
}
nvec = pci_msix_vec_count(pdev);
if (nvec <= 0) {
XDNA_ERR(xdna, "does not get number of interrupt vector");
ret = -EINVAL;
goto release_fw;
}
ret = pci_alloc_irq_vectors(pdev, nvec, nvec, PCI_IRQ_MSIX);
if (ret < 0) {
XDNA_ERR(xdna, "failed to alloc irq vectors, ret %d", ret);
goto release_fw;
}
psp_conf.fw_size = fw->size;
psp_conf.fw_buf = fw->data;
for (i = 0; i < PSP_MAX_REGS; i++)
psp_conf.psp_regs[i] = tbl[PSP_REG_BAR(ndev, i)] + PSP_REG_OFF(ndev, i);
ndev->psp_hdl = aie2m_psp_create(&xdna->ddev, &psp_conf);
if (!ndev->psp_hdl) {
XDNA_ERR(xdna, "failed to create psp");
ret = -ENOMEM;
goto release_fw;
}
xdna->dev_handle = ndev;
ret = aie2_hw_start(xdna);
if (ret) {
XDNA_ERR(xdna, "start npu failed, ret %d", ret);
goto release_fw;
}
xrs_cfg.clk_list.num_levels = ndev->max_dpm_level + 1;
for (i = 0; i < xrs_cfg.clk_list.num_levels; i++)
xrs_cfg.clk_list.cu_clk_list[i] = ndev->priv->dpm_clk_tbl[i].hclk;
xrs_cfg.sys_eff_factor = 1;
xrs_cfg.ddev = &xdna->ddev;
xrs_cfg.actions = &aie2_xrs_actions;
xrs_cfg.total_col = ndev->total_col;
xdna->xrs_hdl = xrsm_init(&xrs_cfg);
if (!xdna->xrs_hdl) {
XDNA_ERR(xdna, "Initialize resolver failed");
ret = -EINVAL;
goto stop_hw;
}
release_firmware(fw);
aie2_msg_init(ndev);
amdxdna_pm_init(xdna);
return 0;
stop_hw:
aie2_hw_stop(xdna);
release_fw:
release_firmware(fw);
return ret;
}
static void aie2_fini(struct amdxdna_dev *xdna)
{
amdxdna_pm_fini(xdna);
aie2_hw_stop(xdna);
}
static int aie2_get_aie_status(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_query_aie_status status;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_dev_hdl *ndev;
int ret;
ndev = xdna->dev_handle;
if (copy_from_user(&status, u64_to_user_ptr(args->buffer), sizeof(status))) {
XDNA_ERR(xdna, "Failed to copy AIE request into kernel");
return -EFAULT;
}
if (ndev->metadata.cols * ndev->metadata.size < status.buffer_size) {
XDNA_ERR(xdna, "Invalid buffer size. Given Size: %u. Need Size: %u.",
status.buffer_size, ndev->metadata.cols * ndev->metadata.size);
return -EINVAL;
}
ret = aie2_query_status(ndev, u64_to_user_ptr(status.buffer),
status.buffer_size, &status.cols_filled);
if (ret) {
XDNA_ERR(xdna, "Failed to get AIE status info. Ret: %d", ret);
return ret;
}
if (copy_to_user(u64_to_user_ptr(args->buffer), &status, sizeof(status))) {
XDNA_ERR(xdna, "Failed to copy AIE request info to user space");
return -EFAULT;
}
return 0;
}
static int aie2_get_aie_metadata(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_query_aie_metadata *meta;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_dev_hdl *ndev;
int ret = 0;
ndev = xdna->dev_handle;
meta = kzalloc_obj(*meta);
if (!meta)
return -ENOMEM;
meta->col_size = ndev->metadata.size;
meta->cols = ndev->metadata.cols;
meta->rows = ndev->metadata.rows;
meta->version.major = ndev->metadata.version.major;
meta->version.minor = ndev->metadata.version.minor;
meta->core.row_count = ndev->metadata.core.row_count;
meta->core.row_start = ndev->metadata.core.row_start;
meta->core.dma_channel_count = ndev->metadata.core.dma_channel_count;
meta->core.lock_count = ndev->metadata.core.lock_count;
meta->core.event_reg_count = ndev->metadata.core.event_reg_count;
meta->mem.row_count = ndev->metadata.mem.row_count;
meta->mem.row_start = ndev->metadata.mem.row_start;
meta->mem.dma_channel_count = ndev->metadata.mem.dma_channel_count;
meta->mem.lock_count = ndev->metadata.mem.lock_count;
meta->mem.event_reg_count = ndev->metadata.mem.event_reg_count;
meta->shim.row_count = ndev->metadata.shim.row_count;
meta->shim.row_start = ndev->metadata.shim.row_start;
meta->shim.dma_channel_count = ndev->metadata.shim.dma_channel_count;
meta->shim.lock_count = ndev->metadata.shim.lock_count;
meta->shim.event_reg_count = ndev->metadata.shim.event_reg_count;
if (copy_to_user(u64_to_user_ptr(args->buffer), meta, sizeof(*meta)))
ret = -EFAULT;
kfree(meta);
return ret;
}
static int aie2_get_aie_version(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_query_aie_version version;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_dev_hdl *ndev;
ndev = xdna->dev_handle;
version.major = ndev->version.major;
version.minor = ndev->version.minor;
if (copy_to_user(u64_to_user_ptr(args->buffer), &version, sizeof(version)))
return -EFAULT;
return 0;
}
static int aie2_get_firmware_version(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_query_firmware_version version;
struct amdxdna_dev *xdna = client->xdna;
version.major = xdna->fw_ver.major;
version.minor = xdna->fw_ver.minor;
version.patch = xdna->fw_ver.sub;
version.build = xdna->fw_ver.build;
if (copy_to_user(u64_to_user_ptr(args->buffer), &version, sizeof(version)))
return -EFAULT;
return 0;
}
static int aie2_get_power_mode(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_get_power_mode mode = {};
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_dev_hdl *ndev;
ndev = xdna->dev_handle;
mode.power_mode = ndev->pw_mode;
if (copy_to_user(u64_to_user_ptr(args->buffer), &mode, sizeof(mode)))
return -EFAULT;
return 0;
}
static int aie2_get_clock_metadata(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_query_clock_metadata *clock;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_dev_hdl *ndev;
int ret = 0;
ndev = xdna->dev_handle;
clock = kzalloc_obj(*clock);
if (!clock)
return -ENOMEM;
snprintf(clock->mp_npu_clock.name, sizeof(clock->mp_npu_clock.name),
"MP-NPU Clock");
clock->mp_npu_clock.freq_mhz = ndev->npuclk_freq;
snprintf(clock->h_clock.name, sizeof(clock->h_clock.name), "H Clock");
clock->h_clock.freq_mhz = ndev->hclk_freq;
if (copy_to_user(u64_to_user_ptr(args->buffer), clock, sizeof(*clock)))
ret = -EFAULT;
kfree(clock);
return ret;
}
static int aie2_hwctx_status_cb(struct amdxdna_hwctx *hwctx, void *arg)
{
struct amdxdna_drm_hwctx_entry *tmp __free(kfree) = NULL;
struct amdxdna_drm_get_array *array_args = arg;
struct amdxdna_drm_hwctx_entry __user *buf;
u32 size;
if (!array_args->num_element)
return -EINVAL;
tmp = kzalloc_obj(*tmp);
if (!tmp)
return -ENOMEM;
tmp->pid = hwctx->client->pid;
tmp->context_id = hwctx->id;
tmp->start_col = hwctx->start_col;
tmp->num_col = hwctx->num_col;
tmp->command_submissions = hwctx->priv->seq;
tmp->command_completions = hwctx->priv->completed;
tmp->pasid = hwctx->client->pasid;
tmp->priority = hwctx->qos.priority;
tmp->gops = hwctx->qos.gops;
tmp->fps = hwctx->qos.fps;
tmp->dma_bandwidth = hwctx->qos.dma_bandwidth;
tmp->latency = hwctx->qos.latency;
tmp->frame_exec_time = hwctx->qos.frame_exec_time;
tmp->state = AMDXDNA_HWCTX_STATE_ACTIVE;
buf = u64_to_user_ptr(array_args->buffer);
size = min(sizeof(*tmp), array_args->element_size);
if (copy_to_user(buf, tmp, size))
return -EFAULT;
array_args->buffer += size;
array_args->num_element--;
return 0;
}
static int aie2_get_hwctx_status(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_get_array array_args;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_client *tmp_client;
int ret;
drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock));
array_args.element_size = sizeof(struct amdxdna_drm_query_hwctx);
array_args.buffer = args->buffer;
array_args.num_element = args->buffer_size / array_args.element_size;
list_for_each_entry(tmp_client, &xdna->client_list, node) {
ret = amdxdna_hwctx_walk(tmp_client, &array_args,
aie2_hwctx_status_cb);
if (ret)
break;
}
args->buffer_size -= (u32)(array_args.buffer - args->buffer);
return 0;
}
static int aie2_query_resource_info(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_get_resource_info res_info;
const struct amdxdna_dev_priv *priv;
struct amdxdna_dev_hdl *ndev;
struct amdxdna_dev *xdna;
xdna = client->xdna;
ndev = xdna->dev_handle;
priv = ndev->priv;
res_info.npu_clk_max = priv->dpm_clk_tbl[ndev->max_dpm_level].hclk;
res_info.npu_tops_max = ndev->max_tops;
res_info.npu_task_max = priv->hwctx_limit;
res_info.npu_tops_curr = ndev->curr_tops;
res_info.npu_task_curr = ndev->hwctx_num;
if (copy_to_user(u64_to_user_ptr(args->buffer), &res_info, sizeof(res_info)))
return -EFAULT;
return 0;
}
static int aie2_fill_hwctx_map(struct amdxdna_hwctx *hwctx, void *arg)
{
struct amdxdna_dev *xdna = hwctx->client->xdna;
u32 *map = arg;
if (hwctx->fw_ctx_id >= xdna->dev_handle->priv->hwctx_limit) {
XDNA_ERR(xdna, "Invalid fw ctx id %d/%d ", hwctx->fw_ctx_id,
xdna->dev_handle->priv->hwctx_limit);
return -EINVAL;
}
map[hwctx->fw_ctx_id] = hwctx->id;
return 0;
}
static int aie2_get_telemetry(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_query_telemetry_header *header __free(kfree) = NULL;
u32 telemetry_data_sz, header_sz, elem_num;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_client *tmp_client;
int ret;
elem_num = xdna->dev_handle->priv->hwctx_limit;
header_sz = struct_size(header, map, elem_num);
if (args->buffer_size <= header_sz) {
XDNA_ERR(xdna, "Invalid buffer size");
return -EINVAL;
}
telemetry_data_sz = args->buffer_size - header_sz;
if (telemetry_data_sz > SZ_4M) {
XDNA_ERR(xdna, "Buffer size is too big, %d", telemetry_data_sz);
return -EINVAL;
}
header = kzalloc(header_sz, GFP_KERNEL);
if (!header)
return -ENOMEM;
if (copy_from_user(header, u64_to_user_ptr(args->buffer), sizeof(*header))) {
XDNA_ERR(xdna, "Failed to copy telemetry header from user");
return -EFAULT;
}
header->map_num_elements = elem_num;
list_for_each_entry(tmp_client, &xdna->client_list, node) {
ret = amdxdna_hwctx_walk(tmp_client, &header->map,
aie2_fill_hwctx_map);
if (ret)
return ret;
}
ret = aie2_query_telemetry(xdna->dev_handle,
u64_to_user_ptr(args->buffer + header_sz),
telemetry_data_sz, header);
if (ret) {
XDNA_ERR(xdna, "Query telemetry failed ret %d", ret);
return ret;
}
if (copy_to_user(u64_to_user_ptr(args->buffer), header, header_sz)) {
XDNA_ERR(xdna, "Copy header failed");
return -EFAULT;
}
return 0;
}
static int aie2_get_preempt_state(struct amdxdna_client *client,
struct amdxdna_drm_get_info *args)
{
struct amdxdna_drm_attribute_state state = {};
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_dev_hdl *ndev;
ndev = xdna->dev_handle;
if (args->param == DRM_AMDXDNA_GET_FORCE_PREEMPT_STATE)
state.state = ndev->force_preempt_enabled;
else if (args->param == DRM_AMDXDNA_GET_FRAME_BOUNDARY_PREEMPT_STATE)
state.state = ndev->frame_boundary_preempt;
if (copy_to_user(u64_to_user_ptr(args->buffer), &state, sizeof(state)))
return -EFAULT;
return 0;
}
static int aie2_get_info(struct amdxdna_client *client, struct amdxdna_drm_get_info *args)
{
struct amdxdna_dev *xdna = client->xdna;
int ret, idx;
if (!drm_dev_enter(&xdna->ddev, &idx))
return -ENODEV;
ret = amdxdna_pm_resume_get_locked(xdna);
if (ret)
goto dev_exit;
switch (args->param) {
case DRM_AMDXDNA_QUERY_AIE_STATUS:
ret = aie2_get_aie_status(client, args);
break;
case DRM_AMDXDNA_QUERY_AIE_METADATA:
ret = aie2_get_aie_metadata(client, args);
break;
case DRM_AMDXDNA_QUERY_AIE_VERSION:
ret = aie2_get_aie_version(client, args);
break;
case DRM_AMDXDNA_QUERY_CLOCK_METADATA:
ret = aie2_get_clock_metadata(client, args);
break;
case DRM_AMDXDNA_QUERY_HW_CONTEXTS:
ret = aie2_get_hwctx_status(client, args);
break;
case DRM_AMDXDNA_QUERY_FIRMWARE_VERSION:
ret = aie2_get_firmware_version(client, args);
break;
case DRM_AMDXDNA_GET_POWER_MODE:
ret = aie2_get_power_mode(client, args);
break;
case DRM_AMDXDNA_QUERY_TELEMETRY:
ret = aie2_get_telemetry(client, args);
break;
case DRM_AMDXDNA_QUERY_RESOURCE_INFO:
ret = aie2_query_resource_info(client, args);
break;
case DRM_AMDXDNA_GET_FORCE_PREEMPT_STATE:
case DRM_AMDXDNA_GET_FRAME_BOUNDARY_PREEMPT_STATE:
ret = aie2_get_preempt_state(client, args);
break;
default:
XDNA_ERR(xdna, "Not supported request parameter %u", args->param);
ret = -EOPNOTSUPP;
}
amdxdna_pm_suspend_put(xdna);
XDNA_DBG(xdna, "Got param %d", args->param);
dev_exit:
drm_dev_exit(idx);
return ret;
}
static int aie2_query_ctx_status_array(struct amdxdna_client *client,
struct amdxdna_drm_get_array *args)
{
struct amdxdna_drm_get_array array_args;
struct amdxdna_dev *xdna = client->xdna;
struct amdxdna_client *tmp_client;
int ret;
drm_WARN_ON(&xdna->ddev, !mutex_is_locked(&xdna->dev_lock));
if (args->element_size > SZ_4K || args->num_element > SZ_1K) {
XDNA_DBG(xdna, "Invalid element size %d or number of element %d",
args->element_size, args->num_element);
return -EINVAL;
}
array_args.element_size = min(args->element_size,
sizeof(struct amdxdna_drm_hwctx_entry));
array_args.buffer = args->buffer;
array_args.num_element = args->num_element * args->element_size /
array_args.element_size;
list_for_each_entry(tmp_client, &xdna->client_list, node) {
ret = amdxdna_hwctx_walk(tmp_client, &array_args,
aie2_hwctx_status_cb);
if (ret)
break;
}
args->element_size = array_args.element_size;
args->num_element = (u32)((array_args.buffer - args->buffer) /
args->element_size);
return 0;
}
static int aie2_get_array(struct amdxdna_client *client,
struct amdxdna_drm_get_array *args)
{
struct amdxdna_dev *xdna = client->xdna;
int ret, idx;
if (!drm_dev_enter(&xdna->ddev, &idx))
return -ENODEV;
ret = amdxdna_pm_resume_get_locked(xdna);
if (ret)
goto dev_exit;
switch (args->param) {
case DRM_AMDXDNA_HW_CONTEXT_ALL:
ret = aie2_query_ctx_status_array(client, args);
break;
case DRM_AMDXDNA_HW_LAST_ASYNC_ERR:
ret = aie2_get_array_async_error(xdna->dev_handle, args);
break;
default:
XDNA_ERR(xdna, "Not supported request parameter %u", args->param);
ret = -EOPNOTSUPP;
}
amdxdna_pm_suspend_put(xdna);
XDNA_DBG(xdna, "Got param %d", args->param);
dev_exit:
drm_dev_exit(idx);
return ret;
}
static int aie2_set_power_mode(struct amdxdna_client *client,
struct amdxdna_drm_set_state *args)
{
struct amdxdna_drm_set_power_mode power_state;
enum amdxdna_power_mode_type power_mode;
struct amdxdna_dev *xdna = client->xdna;
if (copy_from_user(&power_state, u64_to_user_ptr(args->buffer),
sizeof(power_state))) {
XDNA_ERR(xdna, "Failed to copy power mode request into kernel");
return -EFAULT;
}
if (XDNA_MBZ_DBG(xdna, power_state.pad, sizeof(power_state.pad)))
return -EINVAL;
power_mode = power_state.power_mode;
if (power_mode > POWER_MODE_TURBO) {
XDNA_ERR(xdna, "Invalid power mode %d", power_mode);
return -EINVAL;
}
return aie2_pm_set_mode(xdna->dev_handle, power_mode);
}
static int aie2_set_preempt_state(struct amdxdna_client *client,
struct amdxdna_drm_set_state *args)
{
struct amdxdna_dev_hdl *ndev = client->xdna->dev_handle;
struct amdxdna_drm_attribute_state state;
u32 val;
int ret;
if (copy_from_user(&state, u64_to_user_ptr(args->buffer), sizeof(state)))
return -EFAULT;
if (state.state > 1)
return -EINVAL;
if (XDNA_MBZ_DBG(client->xdna, state.pad, sizeof(state.pad)))
return -EINVAL;
if (args->param == DRM_AMDXDNA_SET_FORCE_PREEMPT) {
ndev->force_preempt_enabled = state.state;
} else if (args->param == DRM_AMDXDNA_SET_FRAME_BOUNDARY_PREEMPT) {
val = state.state;
ret = aie2_runtime_cfg(ndev, AIE2_RT_CFG_FRAME_BOUNDARY_PREEMPT,
&val);
if (ret)
return ret;
ndev->frame_boundary_preempt = state.state;
}
return 0;
}
static int aie2_set_state(struct amdxdna_client *client,
struct amdxdna_drm_set_state *args)
{
struct amdxdna_dev *xdna = client->xdna;
int ret, idx;
if (!drm_dev_enter(&xdna->ddev, &idx))
return -ENODEV;
ret = amdxdna_pm_resume_get_locked(xdna);
if (ret)
goto dev_exit;
switch (args->param) {
case DRM_AMDXDNA_SET_POWER_MODE:
ret = aie2_set_power_mode(client, args);
break;
case DRM_AMDXDNA_SET_FORCE_PREEMPT:
case DRM_AMDXDNA_SET_FRAME_BOUNDARY_PREEMPT:
ret = aie2_set_preempt_state(client, args);
break;
default:
XDNA_ERR(xdna, "Not supported request parameter %u", args->param);
ret = -EOPNOTSUPP;
break;
}
amdxdna_pm_suspend_put(xdna);
dev_exit:
drm_dev_exit(idx);
return ret;
}
const struct amdxdna_dev_ops aie2_ops = {
.init = aie2_init,
.fini = aie2_fini,
.resume = aie2_hw_resume,
.suspend = aie2_hw_suspend,
.get_aie_info = aie2_get_info,
.set_aie_state = aie2_set_state,
.hwctx_init = aie2_hwctx_init,
.hwctx_fini = aie2_hwctx_fini,
.hwctx_config = aie2_hwctx_config,
.hwctx_sync_debug_bo = aie2_hwctx_sync_debug_bo,
.cmd_submit = aie2_cmd_submit,
.hmm_invalidate = aie2_hmm_invalidate,
.get_array = aie2_get_array,
};
