On Mon, 11 Apr 2011, Joerg Roedel wrote:
> This patch adds support for the invalidate_all command
> present in new versions of the AMD IOMMU.
...
> #define CMD_COMPL_WAIT 0x01
> #define CMD_INV_DEV_ENTRY 0x02
> #define CMD_INV_IOMMU_PAGES 0x03
> +#define CMD_INV_ALL 0x08
...
> @@ -463,6 +463,12 @@ static void build_inv_iommu_pages(struct iommu_cmd *cmd, u64 address,
> cmd->data[2] |= CMD_INV_IOMMU_PAGES_PDE_MASK;
> }
>
> +static void build_inv_all(struct iommu_cmd *cmd)
> +{
> + memset(cmd, 0, sizeof(*cmd));
> + CMD_SET_TYPE(cmd, CMD_INV_DEV_ENTRY);
Huh?
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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