From 5b5d5e85fce1c8f79ca613de362330e9d6d8a183 Mon Sep 17 00:00:00 2001 From: mdodd Date: Wed, 19 Dec 2001 08:54:29 +0000 Subject: Allow retrieval of the virtual address of the AGP aperture using agp_get_info(). MFC after: 1 week --- sys/dev/agp/agp.c | 1 + sys/dev/agp/agpvar.h | 1 + sys/pci/agp.c | 1 + sys/pci/agpvar.h | 1 + 4 files changed, 4 insertions(+) (limited to 'sys') diff --git a/sys/dev/agp/agp.c b/sys/dev/agp/agp.c index a938055..b16d1ee 100644 --- a/sys/dev/agp/agp.c +++ b/sys/dev/agp/agp.c @@ -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; } diff --git a/sys/dev/agp/agpvar.h b/sys/dev/agp/agpvar.h index df3112b..0869c26 100644 --- a/sys/dev/agp/agpvar.h +++ b/sys/dev/agp/agpvar.h @@ -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; diff --git a/sys/pci/agp.c b/sys/pci/agp.c index a938055..b16d1ee 100644 --- a/sys/pci/agp.c +++ b/sys/pci/agp.c @@ -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; } diff --git a/sys/pci/agpvar.h b/sys/pci/agpvar.h index df3112b..0869c26 100644 --- a/sys/pci/agpvar.h +++ b/sys/pci/agpvar.h @@ -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; -- cgit v1.1