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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-06 15:41:01 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-06 15:41:01 -0400 |
| commit | 49f1853c8dfd0ad576561540219d835227af4b31 (patch) | |
| tree | d7bed7e432338752c59f85bcb666b4f0a9dcdfef /kernel/gsp_phys_gpu.h | |
| parent | c15be05319e00d0818d78d6fdf908e27f19c659f (diff) | |
| download | open-iov-49f1853c8dfd0ad576561540219d835227af4b31.tar.gz open-iov-49f1853c8dfd0ad576561540219d835227af4b31.zip | |
vgsp: m32 rank-2 qmdwin - relocate the inline-QMD destination to a proven ring-chunk page (compile-verified, untested)m32
Diffstat (limited to 'kernel/gsp_phys_gpu.h')
| -rw-r--r-- | kernel/gsp_phys_gpu.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/gsp_phys_gpu.h b/kernel/gsp_phys_gpu.h index 3dce1a6..2ebe167 100644 --- a/kernel/gsp_phys_gpu.h +++ b/kernel/gsp_phys_gpu.h @@ -294,6 +294,16 @@ int gsp_phys_rmcall_gr_prelude_value(void); int gsp_phys_rmcall_gr_qmdvirt_value(void); /* + * gsp_phys_rmcall_gr_qmdwin (default 0): 1 relocates the forwarded GR + * inline-QMD destination from the guest QMD VA to a dedicated module page + * mapped at the proven engine-reachable window-0 VA 0x107000 (the PTE is + * planted in the ladder small-PT line at stage 3, before the engine's first + * fetch); 0 keeps the guest destination exactly as before. Rank-2 + * diagnostic: prewrite/post-mortem use the module page only. + */ +int gsp_phys_rmcall_gr_qmdwin_value(void); + +/* * Ladder VAS ownership selector (gsp_phys_rmcall_vas_shared; default 0). * 0 = FERMI_VASPACE_A is allocated IS_EXTERNALLY_OWNED (historical ladder * behaviour: the client owns page tables, VA bookings and engine-context |