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sys/x86/iommu/intel_dmar.h
| Show First 20 Lines • Show All 518 Lines • ▼ Show 20 Lines | #define DMAR_WAIT_UNTIL(cond) \ | ||||
| bool forever; \ | bool forever; \ | ||||
| \ | \ | ||||
| if (dmar_hw_timeout.tv_sec == 0 && \ | if (dmar_hw_timeout.tv_sec == 0 && \ | ||||
| dmar_hw_timeout.tv_nsec == 0) { \ | dmar_hw_timeout.tv_nsec == 0) { \ | ||||
| forever = true; \ | forever = true; \ | ||||
| } else { \ | } else { \ | ||||
| forever = false; \ | forever = false; \ | ||||
| nanouptime(&curr); \ | nanouptime(&curr); \ | ||||
| last = curr; \ | timespecadd(&curr, &dmar_hw_timeout, &last); \ | ||||
| timespecadd(&last, &dmar_hw_timeout); \ | |||||
| } \ | } \ | ||||
| for (;;) { \ | for (;;) { \ | ||||
| if (cond) { \ | if (cond) { \ | ||||
| error = 0; \ | error = 0; \ | ||||
| break; \ | break; \ | ||||
| } \ | } \ | ||||
| nanouptime(&curr); \ | nanouptime(&curr); \ | ||||
| if (!forever && timespeccmp(&last, &curr, <)) { \ | if (!forever && timespeccmp(&last, &curr, <)) { \ | ||||
| Show All 21 Lines | |||||