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head/sys/powerpc/powernv/opal_pci.c
| Show First 20 Lines • Show All 215 Lines • ▼ Show 20 Lines | max_tce_size(device_t dev) | ||||
| phandle_t node; | phandle_t node; | ||||
| cell_t sizes[64]; /* Property is a list of bit-widths, up to 64-bits */ | cell_t sizes[64]; /* Property is a list of bit-widths, up to 64-bits */ | ||||
| int count; | int count; | ||||
| node = ofw_bus_get_node(dev); | node = ofw_bus_get_node(dev); | ||||
| count = OF_getencprop(node, "ibm,supported-tce-sizes", | count = OF_getencprop(node, "ibm,supported-tce-sizes", | ||||
| sizes, sizeof(sizes)); | sizes, sizeof(sizes)); | ||||
| if (count < sizeof(cell_t)) | if (count < (int) sizeof(cell_t)) | ||||
| return OPAL_PCI_TCE_DEFAULT_SEG_SIZE; | return OPAL_PCI_TCE_DEFAULT_SEG_SIZE; | ||||
| count /= sizeof(cell_t); | count /= sizeof(cell_t); | ||||
| return (1ULL << sizes[count - 1]); | return (1ULL << sizes[count - 1]); | ||||
| } | } | ||||
| static int | static int | ||||
| ▲ Show 20 Lines • Show All 450 Lines • Show Last 20 Lines | |||||