Revision 5c4cbcf2 hw/spapr_iommu.c
| b/hw/spapr_iommu.c | ||
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} |
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int spapr_dma_dt(void *fdt, int node_off, const char *propname, |
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DMAContext *dma)
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uint32_t liobn, uint64_t window, uint32_t size)
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{
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if (dma) {
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sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, dma); |
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uint32_t dma_prop[] = {cpu_to_be32(tcet->liobn),
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0, 0, |
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0, cpu_to_be32(tcet->window_size)}; |
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int ret; |
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ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-address-cells", 2); |
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if (ret < 0) {
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return ret; |
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} |
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uint32_t dma_prop[5]; |
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int ret; |
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dma_prop[0] = cpu_to_be32(liobn); |
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dma_prop[1] = cpu_to_be32(window >> 32); |
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dma_prop[2] = cpu_to_be32(window & 0xFFFFFFFF); |
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dma_prop[3] = 0; /* window size is 32 bits */ |
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dma_prop[4] = cpu_to_be32(size); |
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ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-address-cells", 2); |
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if (ret < 0) {
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return ret; |
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} |
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ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-size-cells", 2);
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if (ret < 0) {
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return ret;
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}
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ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-size-cells", 2); |
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if (ret < 0) {
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return ret; |
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} |
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ret = fdt_setprop(fdt, node_off, propname, dma_prop, |
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sizeof(dma_prop)); |
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if (ret < 0) {
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return ret; |
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} |
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ret = fdt_setprop(fdt, node_off, propname, dma_prop, sizeof(dma_prop)); |
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if (ret < 0) {
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return ret; |
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} |
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return 0; |
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} |
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int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname, |
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DMAContext *iommu) |
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{
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if (!iommu) {
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return 0; |
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} |
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if (iommu->translate == spapr_tce_translate) {
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sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, iommu); |
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return spapr_dma_dt(fdt, node_off, propname, |
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tcet->liobn, 0, tcet->window_size); |
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} |
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return -1; |
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} |
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