>>> On 13.11.14 at 11:38, wrote:
> On 12/11/14 15:55, Jan Beulich wrote:
> On 12.11.14 at 16:25, wrote:
>>> +u64
>>> +xen_swiotlb_get_required_mask(struct device *dev)
>>> +{
>>> + u64 max_mfn;
>>> +
>>> + max_mfn = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
>>> +
>>> + return
On 12/11/14 15:55, Jan Beulich wrote:
On 12.11.14 at 16:25, wrote:
>> +u64
>> +xen_swiotlb_get_required_mask(struct device *dev)
>> +{
>> +u64 max_mfn;
>> +
>> +max_mfn = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
>> +
>> +return DMA_BIT_MASK(fls64(max_mfn << PAGE_SHIFT)
>>> On 12.11.14 at 16:55, wrote:
On 12.11.14 at 16:25, wrote:
>> +u64
>> +xen_swiotlb_get_required_mask(struct device *dev)
>> +{
>> +u64 max_mfn;
>> +
>> +max_mfn = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
>> +
>> +return DMA_BIT_MASK(fls64(max_mfn << PAGE_SHIFT) + 1
>>> On 12.11.14 at 17:59, wrote:
> On 12/11/14 15:55, Jan Beulich wrote:
> On 12.11.14 at 16:25, wrote:
>>> +u64
>>> +xen_swiotlb_get_required_mask(struct device *dev)
>>> +{
>>> + u64 max_mfn;
>>> +
>>> + max_mfn = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
>>> +
>>> + return
On 12/11/14 15:55, Jan Beulich wrote:
On 12.11.14 at 16:25, wrote:
>> +u64
>> +xen_swiotlb_get_required_mask(struct device *dev)
>> +{
>> +u64 max_mfn;
>> +
>> +max_mfn = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
>> +
>> +return DMA_BIT_MASK(fls64(max_mfn << PAGE_SHIFT)
>>> On 12.11.14 at 16:25, wrote:
> +u64
> +xen_swiotlb_get_required_mask(struct device *dev)
> +{
> + u64 max_mfn;
> +
> + max_mfn = HYPERVISOR_memory_op(XENMEM_maximum_ram_page, NULL);
> +
> + return DMA_BIT_MASK(fls64(max_mfn << PAGE_SHIFT) + 1);
> +}
The value the hypercall returns
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