| 120 | } |
| 121 | |
| 122 | int |
| 123 | domain_set_agaw(struct dmar_domain *domain, int mgaw) |
| 124 | { |
| 125 | int sagaw, i; |
| 126 | |
| 127 | domain->mgaw = mgaw; |
| 128 | sagaw = DMAR_CAP_SAGAW(domain->dmar->hw_cap); |
| 129 | for (i = 0; i < nitems(sagaw_bits); i++) { |
| 130 | if (sagaw_bits[i].agaw >= mgaw) { |
| 131 | domain->agaw = sagaw_bits[i].agaw; |
| 132 | domain->pglvl = sagaw_bits[i].pglvl; |
| 133 | domain->awlvl = sagaw_bits[i].awlvl; |
| 134 | return (0); |
| 135 | } |
| 136 | } |
| 137 | device_printf(domain->dmar->dev, |
| 138 | "context request mgaw %d: no agaw found, sagaw %x\n", |
| 139 | mgaw, sagaw); |
| 140 | return (EINVAL); |
| 141 | } |
| 142 | |
| 143 | /* |
| 144 | * Find a best fit mgaw for the given maxaddr: |
no test coverage detected