{
struct hl_device *hdev = hpriv->hdev;
struct hl_cb *cb;
- phys_addr_t address;
u32 handle, user_cb_size;
int rc;
vma->vm_private_data = cb;
- /* Calculate address for CB */
- address = virt_to_phys((void *) (uintptr_t) cb->kernel_address);
-
- rc = hdev->asic_funcs->cb_mmap(hdev, vma, cb->kernel_address,
- address, cb->size);
-
+ rc = hdev->asic_funcs->cb_mmap(hdev, vma, (void *) cb->kernel_address,
+ cb->bus_address, cb->size);
if (rc) {
spin_lock(&cb->lock);
cb->mmap = false;
int (*suspend)(struct hl_device *hdev);
int (*resume)(struct hl_device *hdev);
int (*cb_mmap)(struct hl_device *hdev, struct vm_area_struct *vma,
- u64 kaddress, phys_addr_t paddress, u32 size);
+ void *cpu_addr, dma_addr_t dma_addr, size_t size);
void (*ring_doorbell)(struct hl_device *hdev, u32 hw_queue_id, u32 pi);
void (*pqe_write)(struct hl_device *hdev, __le64 *pqe,
struct hl_bd *bd);
}
static int gaudi_cb_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
- u64 kaddress, phys_addr_t paddress, u32 size)
+ void *cpu_addr, dma_addr_t dma_addr, size_t size)
{
int rc;
vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
VM_DONTCOPY | VM_NORESERVE;
- rc = remap_pfn_range(vma, vma->vm_start, paddress >> PAGE_SHIFT,
- size, vma->vm_page_prot);
+ rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr, dma_addr, size);
if (rc)
- dev_err(hdev->dev, "remap_pfn_range error %d", rc);
+ dev_err(hdev->dev, "dma_mmap_coherent error %d", rc);
return rc;
}
}
static int goya_cb_mmap(struct hl_device *hdev, struct vm_area_struct *vma,
- u64 kaddress, phys_addr_t paddress, u32 size)
+ void *cpu_addr, dma_addr_t dma_addr, size_t size)
{
int rc;
vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP |
VM_DONTCOPY | VM_NORESERVE;
- rc = remap_pfn_range(vma, vma->vm_start, paddress >> PAGE_SHIFT,
- size, vma->vm_page_prot);
+ rc = dma_mmap_coherent(hdev->dev, vma, cpu_addr, dma_addr, size);
if (rc)
- dev_err(hdev->dev, "remap_pfn_range error %d", rc);
+ dev_err(hdev->dev, "dma_mmap_coherent error %d", rc);
return rc;
}