diff options
Diffstat (limited to 'dma/nwl_buffers.h')
| -rw-r--r-- | dma/nwl_buffers.h | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/dma/nwl_buffers.h b/dma/nwl_buffers.h index c298612..130c189 100644 --- a/dma/nwl_buffers.h +++ b/dma/nwl_buffers.h @@ -21,25 +21,27 @@ static int dma_nwl_compute_read_s2c_pointers(nwl_dma_t *ctx, pcilib_nwl_engine_d nwl_read_register(val, ctx, base, REG_SW_NEXT_BD); if ((val < ring_pa)||((val - ring_pa) % PCILIB_NWL_DMA_DESCRIPTOR_SIZE)) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_SW_NEXT_BD register out of range)"); + if (val < ring_pa) pcilib_warning("Inconsistent S2C DMA Ring buffer is found (REG_SW_NEXT_BD register value (%lx) is below start of ring [%lx,%lx])", val, ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); + else pcilib_warning("Inconsistent S2C DMA Ring buffer is found (REG_SW_NEXT_BD register value (%zu / %u) is fractal)", val - ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); return PCILIB_ERROR_INVALID_STATE; } info->head = (val - ring_pa) / PCILIB_NWL_DMA_DESCRIPTOR_SIZE; if (info->head >= PCILIB_NWL_DMA_PAGES) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_SW_NEXT_BD register out of range)"); + pcilib_warning("Inconsistent S2C DMA Ring buffer is found (REG_SW_NEXT_BD register value (%zu) out of range)", info->head); return PCILIB_ERROR_INVALID_STATE; } nwl_read_register(val, ctx, base, REG_DMA_ENG_NEXT_BD); if ((val < ring_pa)||((val - ring_pa) % PCILIB_NWL_DMA_DESCRIPTOR_SIZE)) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_DMA_ENG_NEXT_BD register out of range)"); + if (val < ring_pa) pcilib_warning("Inconsistent S2C DMA Ring buffer is found (REG_DMA_ENG_NEXT_BD register value (%lx) is below start of ring [%lx,%lx])", val, ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); + else pcilib_warning("Inconsistent S2C DMA Ring buffer is found (REG_DMA_ENG_NEXT_BD register value (%zu / %u) is fractal)", val - ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); return PCILIB_ERROR_INVALID_STATE; } info->tail = (val - ring_pa) / PCILIB_NWL_DMA_DESCRIPTOR_SIZE; if (info->tail >= PCILIB_NWL_DMA_PAGES) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_DMA_ENG_NEXT_BD register out of range)"); + pcilib_warning("Inconsistent S2C DMA Ring buffer is found (REG_DMA_ENG_NEXT_BD register value (%zu) out of range)", info->tail); return PCILIB_ERROR_INVALID_STATE; } @@ -56,13 +58,14 @@ static int dma_nwl_compute_read_c2s_pointers(nwl_dma_t *ctx, pcilib_nwl_engine_d nwl_read_register(val, ctx, base, REG_SW_NEXT_BD); if ((val < ring_pa)||((val - ring_pa) % PCILIB_NWL_DMA_DESCRIPTOR_SIZE)) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_SW_NEXT_BD register out of range)"); + if (val < ring_pa) pcilib_warning("Inconsistent C2S DMA Ring buffer is found (REG_SW_NEXT_BD register value (%lx) is below start of the ring [%lx,%lx])", val, ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); + else pcilib_warning("Inconsistent C2S DMA Ring buffer is found (REG_SW_NEXT_BD register value (%zu / %u) is fractal)", val - ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); return PCILIB_ERROR_INVALID_STATE; } info->head = (val - ring_pa) / PCILIB_NWL_DMA_DESCRIPTOR_SIZE; if (info->head >= PCILIB_NWL_DMA_PAGES) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_SW_NEXT_BD register out of range)"); + pcilib_warning("Inconsistent C2S DMA Ring buffer is found (REG_SW_NEXT_BD register value (%zu) out of range)", info->head); return PCILIB_ERROR_INVALID_STATE; } @@ -72,13 +75,14 @@ static int dma_nwl_compute_read_c2s_pointers(nwl_dma_t *ctx, pcilib_nwl_engine_d // Last read BD nwl_read_register(val, ctx, base, REG_DMA_ENG_LAST_BD); if ((val < ring_pa)||((val - ring_pa) % PCILIB_NWL_DMA_DESCRIPTOR_SIZE)) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_DMA_ENG_LAST_BD register out of range)"); + if (val < ring_pa) pcilib_warning("Inconsistent C2S DMA Ring buffer is found (REG_DMA_ENG_LAST_BD register value (%lx) is below start of ring [%lx,%lx])", val, ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); + else pcilib_warning("Inconsistent C2S DMA Ring buffer is found (REG_DMA_ENG_LAST_BD register value (%zu / %u) is fractal)", val - ring_pa, PCILIB_NWL_DMA_DESCRIPTOR_SIZE); return PCILIB_ERROR_INVALID_STATE; } prev = (val - ring_pa) / PCILIB_NWL_DMA_DESCRIPTOR_SIZE; if (prev >= PCILIB_NWL_DMA_PAGES) { - pcilib_warning("Inconsistent DMA Ring buffer is found (REG_DMA_ENG_LAST_BD register out of range)"); + pcilib_warning("Inconsistent C2S DMA Ring buffer is found (REG_DMA_ENG_LAST_BD register value (%zu) out of range)", prev); return PCILIB_ERROR_INVALID_STATE; } @@ -115,7 +119,7 @@ static int dma_nwl_allocate_engine_buffers(nwl_dma_t *ctx, pcilib_nwl_engine_des if (info->pages) return 0; // Or bidirectional specified by 0x0|addr, or read 0x0|addr and write 0x80|addr - sub_use = info->desc.addr|(info->desc.direction == PCILIB_DMA_TO_DEVICE)?0x80:0x00; + sub_use = info->desc.addr|((info->desc.direction == PCILIB_DMA_TO_DEVICE)?0x80:0x00); flags = PCILIB_KMEM_FLAG_REUSE|PCILIB_KMEM_FLAG_EXCLUSIVE|PCILIB_KMEM_FLAG_HARDWARE|(info->preserve?PCILIB_KMEM_FLAG_PERSISTENT:0); pcilib_kmem_handle_t *ring = pcilib_alloc_kernel_memory(ctx->pcilib, PCILIB_KMEM_TYPE_CONSISTENT, 1, PCILIB_NWL_DMA_PAGES * PCILIB_NWL_DMA_DESCRIPTOR_SIZE, PCILIB_NWL_ALIGNMENT, PCILIB_KMEM_USE(PCILIB_KMEM_USE_DMA_RING, sub_use), flags); |