diff options
| -rw-r--r-- | linux-core/Makefile.kernel | 3 | ||||
| -rw-r--r-- | linux-core/xgi_drv.c | 5 | ||||
| -rw-r--r-- | linux-core/xgi_drv.h | 7 | ||||
| -rw-r--r-- | linux-core/xgi_fb.c | 7 | ||||
| -rw-r--r-- | linux-core/xgi_ioc32.c | 140 | ||||
| -rw-r--r-- | shared-core/xgi_drm.h | 2 |
6 files changed, 159 insertions, 5 deletions
diff --git a/linux-core/Makefile.kernel b/linux-core/Makefile.kernel index ac77941e6..b282bd052 100644 --- a/linux-core/Makefile.kernel +++ b/linux-core/Makefile.kernel @@ -48,6 +48,7 @@ mga-objs += mga_ioc32.o r128-objs += r128_ioc32.o i915-objs += i915_ioc32.o nouveau-objs += nouveau_ioc32.o +xgi-objs += xgi_ioc32.o endif obj-m += drm.o @@ -64,4 +65,4 @@ obj-$(CONFIG_DRM_VIA) += via.o obj-$(CONFIG_DRM_MACH64)+= mach64.o obj-$(CONFIG_DRM_NV) += nv.o obj-$(CONFIG_DRM_NOUVEAU) += nouveau.o -obj-$(CONFIG_DRM_XGI) += xgi.o
\ No newline at end of file +obj-$(CONFIG_DRM_XGI) += xgi.o diff --git a/linux-core/xgi_drv.c b/linux-core/xgi_drv.c index 84547f62f..bc6873a9b 100644 --- a/linux-core/xgi_drv.c +++ b/linux-core/xgi_drv.c @@ -48,7 +48,7 @@ static struct drm_fence_driver xgi_fence_driver = { .has_irq = xgi_fence_has_irq }; -static int xgi_bootstrap(struct drm_device *, void *, struct drm_file *); +int xgi_bootstrap(struct drm_device *, void *, struct drm_file *); static struct drm_ioctl_desc xgi_ioctls[] = { DRM_IOCTL_DEF(DRM_XGI_BOOTSTRAP, xgi_bootstrap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), @@ -97,6 +97,9 @@ static struct drm_driver driver = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, +#if defined(CONFIG_COMPAT) && LINUX_VERSION_CODE > KERNEL_VERSION(2,6,9) + .compat_ioctl = xgi_compat_ioctl, +#endif }, .pci_driver = { diff --git a/linux-core/xgi_drv.h b/linux-core/xgi_drv.h index 88ade64d4..a68dc03b3 100644 --- a/linux-core/xgi_drv.h +++ b/linux-core/xgi_drv.h @@ -35,10 +35,10 @@ #define DRIVER_NAME "xgi" #define DRIVER_DESC "XGI XP5 / XP10 / XG47" -#define DRIVER_DATE "20070906" +#define DRIVER_DATE "20070918" #define DRIVER_MAJOR 1 -#define DRIVER_MINOR 0 +#define DRIVER_MINOR 1 #define DRIVER_PATCHLEVEL 0 #include "xgi_cmdlist.h" @@ -78,6 +78,9 @@ struct xgi_info { unsigned next_sequence; }; +extern long xgi_compat_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg); + extern int xgi_fb_heap_init(struct xgi_info * info); extern int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, diff --git a/linux-core/xgi_fb.c b/linux-core/xgi_fb.c index 40f39fbcb..2e2d0094b 100644 --- a/linux-core/xgi_fb.c +++ b/linux-core/xgi_fb.c @@ -65,6 +65,13 @@ int xgi_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, alloc->hw_addr = alloc->offset; alloc->index = block->user_hash.key; + if (block->user_hash.key != (unsigned long) alloc->index) { + DRM_ERROR("%s truncated handle %lx for pool %d " + "offset %x\n", + __func__, block->user_hash.key, + alloc->location, alloc->offset); + } + if (alloc->location == XGI_MEMLOC_NON_LOCAL) { alloc->hw_addr += info->pcie.base; } diff --git a/linux-core/xgi_ioc32.c b/linux-core/xgi_ioc32.c new file mode 100644 index 000000000..c54044fa6 --- /dev/null +++ b/linux-core/xgi_ioc32.c @@ -0,0 +1,140 @@ +/* + * (C) Copyright IBM Corporation 2007 + * Copyright (C) Paul Mackerras 2005. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Ian Romanick <idr@us.ibm.com> + */ + +#include <linux/compat.h> + +#include "drmP.h" +#include "drm.h" + +#include "xgi_drm.h" + +/* This is copied from drm_ioc32.c. + */ +struct drm_map32 { + u32 offset; /**< Requested physical address (0 for SAREA)*/ + u32 size; /**< Requested physical size (bytes) */ + enum drm_map_type type; /**< Type of memory to map */ + enum drm_map_flags flags; /**< Flags */ + u32 handle; /**< User-space: "Handle" to pass to mmap() */ + int mtrr; /**< MTRR slot used */ +}; + +struct drm32_xgi_bootstrap { + struct drm_map32 gart; +}; + + +extern int xgi_bootstrap(struct drm_device *, void *, struct drm_file *); + +static int compat_xgi_bootstrap(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct drm32_xgi_bootstrap __user *const argp = (void __user *)arg; + struct drm32_xgi_bootstrap bs32; + struct xgi_bootstrap __user *bs; + int err; + void *handle; + + + if (copy_from_user(&bs32, argp, sizeof(bs32))) { + return -EFAULT; + } + + bs = compat_alloc_user_space(sizeof(*bs)); + if (!access_ok(VERIFY_WRITE, bs, sizeof(*bs))) { + return -EFAULT; + } + + if (__put_user(bs32.gart.offset, &bs->gart.offset) + || __put_user(bs32.gart.size, &bs->gart.size) + || __put_user(bs32.gart.type, &bs->gart.type) + || __put_user(bs32.gart.flags, &bs->gart.flags)) { + return -EFAULT; + } + + err = drm_ioctl(filp->f_dentry->d_inode, filp, XGI_IOCTL_BOOTSTRAP, + (unsigned long)bs); + if (err) { + return err; + } + + if (__get_user(bs32.gart.offset, &bs->gart.offset) + || __get_user(bs32.gart.mtrr, &bs->gart.mtrr) + || __get_user(handle, &bs->gart.handle)) { + return -EFAULT; + } + + bs32.gart.handle = (unsigned long)handle; + if (bs32.gart.handle != (unsigned long)handle && printk_ratelimit()) { + printk(KERN_ERR "%s truncated handle %p for type %d " + "offset %x\n", + __func__, handle, bs32.gart.type, bs32.gart.offset); + } + + if (copy_to_user(argp, &bs32, sizeof(bs32))) { + return -EFAULT; + } + + return 0; +} + + +drm_ioctl_compat_t *xgi_compat_ioctls[] = { + [DRM_XGI_BOOTSTRAP] = compat_xgi_bootstrap, +}; + +/** + * Called whenever a 32-bit process running under a 64-bit kernel + * performs an ioctl on /dev/dri/card<n>. + * + * \param filp file pointer. + * \param cmd command. + * \param arg user argument. + * \return zero on success or negative number on failure. + */ +long xgi_compat_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + const unsigned int nr = DRM_IOCTL_NR(cmd); + drm_ioctl_compat_t *fn = NULL; + int ret; + + if (nr < DRM_COMMAND_BASE) + return drm_compat_ioctl(filp, cmd, arg); + + if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(xgi_compat_ioctls)) + fn = xgi_compat_ioctls[nr - DRM_COMMAND_BASE]; + + lock_kernel(); + ret = (fn != NULL) + ? (*fn)(filp, cmd, arg) + : drm_ioctl(filp->f_dentry->d_inode, filp, cmd, arg); + unlock_kernel(); + + return ret; +} diff --git a/shared-core/xgi_drm.h b/shared-core/xgi_drm.h index d8715df50..de0fb5326 100644 --- a/shared-core/xgi_drm.h +++ b/shared-core/xgi_drm.h @@ -90,7 +90,7 @@ struct xgi_mem_alloc { * * See also DRM_XGI_FREE ioctl. */ - unsigned long index; + __u32 index; }; enum xgi_batch_type { |