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Allow retrieval of the virtual address of the AGP aperture

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using agp_get_info().

MFC after:	1 week
This commit is contained in:
mdodd 2001-12-19 08:54:29 +00:00
parent c6b070b173
commit 5b5d5e85fc
4 changed files with 4 additions and 0 deletions
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1
sys/dev/agp/agp.c
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@ -743,6 +743,7 @@ agp_get_info(device_t dev, struct agp_info *info)
pci_read_config(dev, agp_find_caps(dev) + AGP_STATUS, 4);
info->ai_aperture_base = rman_get_start(sc->as_aperture);
info->ai_aperture_size = rman_get_size(sc->as_aperture);
info->ai_aperture_va = (vm_offset_t) rman_get_virtual(sc->as_aperture);
info->ai_memory_allowed = sc->as_maxmem;
info->ai_memory_used = sc->as_allocated;
}

1
sys/dev/agp/agpvar.h
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@ -47,6 +47,7 @@ struct agp_info {
u_int32_t ai_mode;
vm_offset_t ai_aperture_base;
vm_size_t ai_aperture_size;
vm_offset_t ai_aperture_va;
vm_size_t ai_memory_allowed;
vm_size_t ai_memory_used;
u_int32_t ai_devid;

1
sys/pci/agp.c
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@ -743,6 +743,7 @@ agp_get_info(device_t dev, struct agp_info *info)
pci_read_config(dev, agp_find_caps(dev) + AGP_STATUS, 4);
info->ai_aperture_base = rman_get_start(sc->as_aperture);
info->ai_aperture_size = rman_get_size(sc->as_aperture);
info->ai_aperture_va = (vm_offset_t) rman_get_virtual(sc->as_aperture);
info->ai_memory_allowed = sc->as_maxmem;
info->ai_memory_used = sc->as_allocated;
}

1
sys/pci/agpvar.h
View File

@ -47,6 +47,7 @@ struct agp_info {
u_int32_t ai_mode;
vm_offset_t ai_aperture_base;
vm_size_t ai_aperture_size;
vm_offset_t ai_aperture_va;
vm_size_t ai_memory_allowed;
vm_size_t ai_memory_used;
u_int32_t ai_devid;