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Searched refs:inv_queue_tail (Results 1 – 3 of 3) sorted by relevance

/freebsd/sys/x86/iommu/
H A Dintel_qi.c94 dmar_write4(unit, DMAR_IQT_REG, unit->x86c.inv_queue_tail); in dmar_qi_advance_tail()
113 unit->x86c.inv_queue_avail = head - unit->x86c.inv_queue_tail - in dmar_qi_ensure()
115 if (head <= unit->x86c.inv_queue_tail) in dmar_qi_ensure()
144 unit->x86c.inv_queue_tail), data1); in dmar_qi_emit()
147 unit->x86c.inv_queue_tail) = data1; in dmar_qi_emit()
149 unit->x86c.inv_queue_tail += DMAR_IQ_DESCR_SZ / 2; in dmar_qi_emit()
150 KASSERT(unit->x86c.inv_queue_tail <= unit->x86c.inv_queue_size, in dmar_qi_emit()
151 ("tail overflow 0x%x 0x%jx", unit->x86c.inv_queue_tail, in dmar_qi_emit()
153 unit->x86c.inv_queue_tail &= unit->x86c.inv_queue_size - 1; in dmar_qi_emit()
156 unit->x86c.inv_queue_tail), data2); in dmar_qi_emit()
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H A Damd_cmd.c111 amdiommu_write8(unit, AMDIOMMU_CMDBUF_TAIL, unit->x86c.inv_queue_tail); in amdiommu_cmd_advance_tail()
130 unit->x86c.inv_queue_avail = head - unit->x86c.inv_queue_tail - in amdiommu_cmd_ensure()
132 if (head <= unit->x86c.inv_queue_tail) in amdiommu_cmd_ensure()
160 memcpy(unit->x86c.inv_queue + unit->x86c.inv_queue_tail, cmd, in amdiommu_cmd_emit()
162 unit->x86c.inv_queue_tail += AMDIOMMU_CMD_SZ; in amdiommu_cmd_emit()
163 KASSERT(unit->x86c.inv_queue_tail <= unit->x86c.inv_queue_size, in amdiommu_cmd_emit()
164 ("tail overflow 0x%x 0x%jx", unit->x86c.inv_queue_tail, in amdiommu_cmd_emit()
166 unit->x86c.inv_queue_tail &= unit->x86c.inv_queue_size - 1; in amdiommu_cmd_emit()
H A Dx86_iommu.h122 uint32_t inv_queue_tail; member