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Function dmar_clear_faults

freebsd/x86/iommu/intel_fault.c:246–261  ·  view source on GitHub ↗

Source from the content-addressed store, hash-verified

244}
245
246static void
247dmar_clear_faults(struct dmar_unit *unit)
248{
249 uint32_t frec, frir, fsts;
250 int i;
251
252 for (i = 0; i < DMAR_CAP_NFR(unit->hw_cap); i++) {
253 frir = (DMAR_CAP_FRO(unit->hw_cap) + i) * 16;
254 frec = dmar_read4(unit, frir + 12);
255 if ((frec & DMAR_FRCD2_F32) == 0)
256 continue;
257 dmar_write4(unit, frir + 12, DMAR_FRCD2_F32);
258 }
259 fsts = dmar_read4(unit, DMAR_FSTS_REG);
260 dmar_write4(unit, DMAR_FSTS_REG, fsts);
261}
262
263int
264dmar_init_fault_log(struct dmar_unit *unit)

Callers 1

dmar_init_fault_logFunction · 0.85

Calls 2

dmar_read4Function · 0.85
dmar_write4Function · 0.85

Tested by

no test coverage detected