iommu/amd: Move GA log allocation to init

Currently GA log buffer allocation is done at the time of enabling ga
log. This mixes capability checking, resource allocation, and hardware
enablement into a single late stage code path.

Move capability checking and buffer allocation to init path:
  - check_vapic_support(): Checks AVIC support

  - alloc_ga_log(): Rename iommu_init_ga_log() as alloc_ga_log(). It will
    allocate the GA log and GA log tail buffers for a given IOMMU. Remove
    redundant checks inside alloc_ga_log().

  - enable_iommus_vapic() is simplified - it handles enabling GA log and
    GAM/SNPAVIC support for IOMMUs.

Finally update iommu_ga_log_enable() return value from int to bool as
return value is used in boolean context only.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Ankit Soni <Ankit.Soni@amd.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

0 files changed, 0 insertions, 0 deletions