Just call the initializion and exit functions directly and remove this abstraction entirely. Signed-off-by: Christoph Hellwig <hch@xxxxxx> --- drivers/gpu/drm/i915/gvt/gvt.c | 11 ++++- drivers/gpu/drm/i915/gvt/gvt.h | 12 ++--- drivers/gpu/drm/i915/gvt/hypercall.h | 50 ------------------- drivers/gpu/drm/i915/gvt/kvmgt.c | 39 ++------------- drivers/gpu/drm/i915/gvt/mpt.h | 74 ---------------------------- 5 files changed, 17 insertions(+), 169 deletions(-) delete mode 100644 drivers/gpu/drm/i915/gvt/hypercall.h delete mode 100644 drivers/gpu/drm/i915/gvt/mpt.h diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index 9259f2a17398d..047fb6c41788b 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -135,7 +135,8 @@ static void intel_gvt_clean_device(struct drm_i915_private *i915) if (drm_WARN_ON(&i915->drm, !gvt)) return; - intel_gvt_hypervisor_host_exit(i915->drm.dev, gvt); + mdev_unregister_device(i915->drm.dev); + intel_gvt_cleanup_vgpu_type_groups(gvt); intel_gvt_destroy_idle_vgpu(gvt->idle_vgpu); intel_gvt_clean_vgpu_types(gvt); @@ -235,13 +236,19 @@ static int intel_gvt_init_device(struct drm_i915_private *i915) intel_gvt_debugfs_init(gvt); - ret = intel_gvt_hypervisor_host_init(i915->drm.dev, gvt); + ret = intel_gvt_init_vgpu_type_groups(gvt); if (ret) goto out_destroy_idle_vgpu; + ret = mdev_register_device(i915->drm.dev, &intel_vgpu_mdev_ops); + if (ret) + goto out_cleanup_vgpu_type_groups; + gvt_dbg_core("gvt device initialization is done\n"); return 0; +out_cleanup_vgpu_type_groups: + intel_gvt_cleanup_vgpu_type_groups(gvt); out_destroy_idle_vgpu: intel_gvt_destroy_idle_vgpu(gvt->idle_vgpu); intel_gvt_debugfs_clean(gvt); diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 938f572717377..865997c5005d5 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -41,7 +41,6 @@ #include "intel_gvt.h" #include "debug.h" -#include "hypercall.h" #include "mmio.h" #include "reg.h" #include "interrupt.h" @@ -59,12 +58,6 @@ #define GVT_MAX_VGPU 8 -struct intel_gvt_host { - const struct intel_gvt_mpt *mpt; -}; - -extern struct intel_gvt_host intel_gvt_host; - /* Describe per-platform limitations. */ struct intel_gvt_device_info { u32 max_support_vgpus; @@ -773,9 +766,12 @@ int intel_gvt_dma_map_guest_page(struct intel_vgpu *vgpu, unsigned long gfn, void intel_gvt_dma_unmap_guest_page(struct intel_vgpu *vgpu, dma_addr_t dma_addr); +int intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt); +void intel_gvt_cleanup_vgpu_type_groups(struct intel_gvt *gvt); + #include "trace.h" -#include "mpt.h" extern const struct intel_vgpu_ops intel_gvt_vgpu_ops; +extern const struct mdev_parent_ops intel_vgpu_mdev_ops; #endif diff --git a/drivers/gpu/drm/i915/gvt/hypercall.h b/drivers/gpu/drm/i915/gvt/hypercall.h deleted file mode 100644 index d49437aeabac8..0000000000000 --- a/drivers/gpu/drm/i915/gvt/hypercall.h +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright(c) 2011-2016 Intel Corporation. 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 - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * 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 NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS 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: - * Eddie Dong <eddie.dong@xxxxxxxxx> - * Dexuan Cui - * Jike Song <jike.song@xxxxxxxxx> - * - * Contributors: - * Zhi Wang <zhi.a.wang@xxxxxxxxx> - * - */ - -#ifndef _GVT_HYPERCALL_H_ -#define _GVT_HYPERCALL_H_ - -#include <linux/types.h> - -struct device; -struct intel_vgpu; - -/* - * Specific GVT-g MPT modules function collections. Currently GVT-g supports - * both Xen and KVM by providing dedicated hypervisor-related MPT modules. - */ -struct intel_gvt_mpt { - int (*host_init)(struct device *dev, void *gvt); - void (*host_exit)(struct device *dev, void *gvt); -}; - -#endif /* _GVT_HYPERCALL_H_ */ diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 606b2cb923d8e..f908867223aec 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -172,7 +172,7 @@ static struct attribute_group *gvt_vgpu_type_groups[] = { [0 ... NR_MAX_INTEL_VGPU_TYPES - 1] = NULL, }; -static int intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt) +int intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt) { int i, j; struct intel_vgpu_type *type; @@ -201,7 +201,7 @@ static int intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt) return -ENOMEM; } -static void intel_gvt_cleanup_vgpu_type_groups(struct intel_gvt *gvt) +void intel_gvt_cleanup_vgpu_type_groups(struct intel_gvt *gvt) { int i; struct attribute_group *group; @@ -1665,8 +1665,9 @@ static const struct attribute_group *intel_vgpu_groups[] = { NULL, }; -static struct mdev_parent_ops intel_vgpu_mdev_ops = { +const struct mdev_parent_ops intel_vgpu_mdev_ops = { .mdev_attr_groups = intel_vgpu_groups, + .supported_type_groups = gvt_vgpu_type_groups, .create = intel_vgpu_create, .remove = intel_vgpu_remove, @@ -1679,29 +1680,6 @@ static struct mdev_parent_ops intel_vgpu_mdev_ops = { .ioctl = intel_vgpu_ioctl, }; -static int kvmgt_host_init(struct device *dev, void *gvt) -{ - int ret; - - ret = intel_gvt_init_vgpu_type_groups((struct intel_gvt *)gvt); - if (ret) - return ret; - - intel_vgpu_mdev_ops.supported_type_groups = gvt_vgpu_type_groups; - - ret = mdev_register_device(dev, &intel_vgpu_mdev_ops); - if (ret) - intel_gvt_cleanup_vgpu_type_groups((struct intel_gvt *)gvt); - - return ret; -} - -static void kvmgt_host_exit(struct device *dev, void *gvt) -{ - mdev_unregister_device(dev); - intel_gvt_cleanup_vgpu_type_groups((struct intel_gvt *)gvt); -} - int intel_gvt_page_track_add(struct intel_vgpu *info, u64 gfn) { struct kvm *kvm = info->kvm; @@ -1964,15 +1942,6 @@ void intel_gvt_dma_unmap_guest_page(struct intel_vgpu *vgpu, mutex_unlock(&vgpu->cache_lock); } -static const struct intel_gvt_mpt kvmgt_mpt = { - .host_init = kvmgt_host_init, - .host_exit = kvmgt_host_exit, -}; - -struct intel_gvt_host intel_gvt_host = { - .mpt = &kvmgt_mpt, -}; - static int __init kvmgt_init(void) { return intel_gvt_set_ops(&intel_gvt_vgpu_ops); diff --git a/drivers/gpu/drm/i915/gvt/mpt.h b/drivers/gpu/drm/i915/gvt/mpt.h deleted file mode 100644 index 3be602a3f764a..0000000000000 --- a/drivers/gpu/drm/i915/gvt/mpt.h +++ /dev/null @@ -1,74 +0,0 @@ -/* - * Copyright(c) 2011-2016 Intel Corporation. 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 - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * 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 NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS 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: - * Eddie Dong <eddie.dong@xxxxxxxxx> - * Dexuan Cui - * Jike Song <jike.song@xxxxxxxxx> - * - * Contributors: - * Zhi Wang <zhi.a.wang@xxxxxxxxx> - * - */ - -#ifndef _GVT_MPT_H_ -#define _GVT_MPT_H_ - -#include "gvt.h" - -/** - * DOC: Hypervisor Service APIs for GVT-g Core Logic - * - * This is the glue layer between specific hypervisor MPT modules and GVT-g core - * logic. Each kind of hypervisor MPT module provides a collection of function - * callbacks and will be attached to GVT host when the driver is loading. - * GVT-g core logic will call these APIs to request specific services from - * hypervisor. - */ - -/** - * intel_gvt_hypervisor_host_init - init GVT-g host side - * - * Returns: - * Zero on success, negative error code if failed - */ -static inline int intel_gvt_hypervisor_host_init(struct device *dev, void *gvt) -{ - if (!intel_gvt_host.mpt->host_init) - return -ENODEV; - - return intel_gvt_host.mpt->host_init(dev, gvt); -} - -/** - * intel_gvt_hypervisor_host_exit - exit GVT-g host side - */ -static inline void intel_gvt_hypervisor_host_exit(struct device *dev, void *gvt) -{ - /* optional to provide */ - if (!intel_gvt_host.mpt->host_exit) - return; - - intel_gvt_host.mpt->host_exit(dev, gvt); -} - -#endif /* _GVT_MPT_H_ */ -- 2.30.2