diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 24 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gvt/debugfs.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.c | 49 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 4 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 6 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/gvt/kvmgt.c | 7 |
7 files changed, 42 insertions, 56 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index fef1e857cefc..ca9c9e27a43d 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -916,19 +916,26 @@ static int cmd_reg_handler(struct parser_exec_state *s, if (!strncmp(cmd, "srm", 3) || !strncmp(cmd, "lrm", 3)) { - if (offset != i915_mmio_reg_offset(GEN8_L3SQCREG4) && - offset != 0x21f0) { + if (offset == i915_mmio_reg_offset(GEN8_L3SQCREG4) || + offset == 0x21f0 || + (IS_BROADWELL(gvt->gt->i915) && + offset == i915_mmio_reg_offset(INSTPM))) + return 0; + else { gvt_vgpu_err("%s access to register (%x)\n", cmd, offset); return -EPERM; - } else - return 0; + } } if (!strncmp(cmd, "lrr-src", 7) || !strncmp(cmd, "lrr-dst", 7)) { - gvt_vgpu_err("not allowed cmd %s\n", cmd); - return -EPERM; + if (IS_BROADWELL(gvt->gt->i915) && offset == 0x215c) + return 0; + else { + gvt_vgpu_err("not allowed cmd %s reg (%x)\n", cmd, offset); + return -EPERM; + } } if (!strncmp(cmd, "pipe_ctrl", 9)) { @@ -941,11 +948,6 @@ static int cmd_reg_handler(struct parser_exec_state *s, /* below are all lri handlers */ vreg = &vgpu_vreg(s->vgpu, offset); - if (!intel_gvt_mmio_is_cmd_accessible(gvt, offset)) { - gvt_vgpu_err("%s access to non-render register (%x)\n", - cmd, offset); - return -EBADRQC; - } if (is_cmd_update_pdps(offset, s) && cmd_pdp_mmio_update_handler(s, offset, index)) diff --git a/drivers/gpu/drm/i915/gvt/debugfs.c b/drivers/gpu/drm/i915/gvt/debugfs.c index 62e6a14ad58e..9f1c209d9251 100644 --- a/drivers/gpu/drm/i915/gvt/debugfs.c +++ b/drivers/gpu/drm/i915/gvt/debugfs.c @@ -41,7 +41,7 @@ struct diff_mmio { /* Compare two diff_mmio items. */ static int mmio_offset_compare(void *priv, - struct list_head *a, struct list_head *b) + const struct list_head *a, const struct list_head *b) { struct diff_mmio *ma; struct diff_mmio *mb; diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 67a26923aa0e..9478c132d7b6 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -587,12 +587,6 @@ static void _ppgtt_set_root_entry(struct intel_vgpu_mm *mm, entry, index, false, 0, mm->vgpu); } -static inline void ppgtt_set_guest_root_entry(struct intel_vgpu_mm *mm, - struct intel_gvt_gtt_entry *entry, unsigned long index) -{ - _ppgtt_set_root_entry(mm, entry, index, true); -} - static inline void ppgtt_set_shadow_root_entry(struct intel_vgpu_mm *mm, struct intel_gvt_gtt_entry *entry, unsigned long index) { diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index 2ecb8534930b..e7c2babcee8b 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -46,32 +46,23 @@ static const char * const supported_hypervisors[] = { [INTEL_GVT_HYPERVISOR_KVM] = "KVM", }; -static struct intel_vgpu_type *intel_gvt_find_vgpu_type(struct intel_gvt *gvt, - const char *name) +static struct intel_vgpu_type * +intel_gvt_find_vgpu_type(struct intel_gvt *gvt, unsigned int type_group_id) { - const char *driver_name = - dev_driver_string(gvt->gt->i915->drm.dev); - int i; - - name += strlen(driver_name) + 1; - for (i = 0; i < gvt->num_types; i++) { - struct intel_vgpu_type *t = &gvt->types[i]; - - if (!strncmp(t->name, name, sizeof(t->name))) - return t; - } - - return NULL; + if (WARN_ON(type_group_id >= gvt->num_types)) + return NULL; + return &gvt->types[type_group_id]; } -static ssize_t available_instances_show(struct kobject *kobj, - struct device *dev, char *buf) +static ssize_t available_instances_show(struct mdev_type *mtype, + struct mdev_type_attribute *attr, + char *buf) { struct intel_vgpu_type *type; unsigned int num = 0; - void *gvt = kdev_to_i915(dev)->gvt; + void *gvt = kdev_to_i915(mtype_get_parent_dev(mtype))->gvt; - type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj)); + type = intel_gvt_find_vgpu_type(gvt, mtype_get_type_group_id(mtype)); if (!type) num = 0; else @@ -80,19 +71,19 @@ static ssize_t available_instances_show(struct kobject *kobj, return sprintf(buf, "%u\n", num); } -static ssize_t device_api_show(struct kobject *kobj, struct device *dev, - char *buf) +static ssize_t device_api_show(struct mdev_type *mtype, + struct mdev_type_attribute *attr, char *buf) { return sprintf(buf, "%s\n", VFIO_DEVICE_API_PCI_STRING); } -static ssize_t description_show(struct kobject *kobj, struct device *dev, - char *buf) +static ssize_t description_show(struct mdev_type *mtype, + struct mdev_type_attribute *attr, char *buf) { struct intel_vgpu_type *type; - void *gvt = kdev_to_i915(dev)->gvt; + void *gvt = kdev_to_i915(mtype_get_parent_dev(mtype))->gvt; - type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj)); + type = intel_gvt_find_vgpu_type(gvt, mtype_get_type_group_id(mtype)); if (!type) return 0; @@ -126,7 +117,7 @@ static bool intel_get_gvt_attrs(struct attribute_group ***intel_vgpu_type_groups return true; } -static bool intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt) +static int intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt) { int i, j; struct intel_vgpu_type *type; @@ -144,7 +135,7 @@ static bool intel_gvt_init_vgpu_type_groups(struct intel_gvt *gvt) gvt_vgpu_type_groups[i] = group; } - return true; + return 0; unwind: for (j = 0; j < i; j++) { @@ -152,7 +143,7 @@ unwind: kfree(group); } - return false; + return -ENOMEM; } static void intel_gvt_cleanup_vgpu_type_groups(struct intel_gvt *gvt) @@ -373,7 +364,7 @@ int intel_gvt_init_device(struct drm_i915_private *i915) goto out_clean_thread; ret = intel_gvt_init_vgpu_type_groups(gvt); - if (ret == false) { + if (ret) { gvt_err("failed to init vgpu type groups: %d\n", ret); goto out_clean_types; } diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 8dc8170ba00f..88ab360fcb31 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -574,8 +574,8 @@ struct intel_gvt_ops { void (*vgpu_reset)(struct intel_vgpu *); void (*vgpu_activate)(struct intel_vgpu *); void (*vgpu_deactivate)(struct intel_vgpu *); - struct intel_vgpu_type *(*gvt_find_vgpu_type)(struct intel_gvt *gvt, - const char *name); + struct intel_vgpu_type *(*gvt_find_vgpu_type)( + struct intel_gvt *gvt, unsigned int type_group_id); bool (*get_gvt_attrs)(struct attribute_group ***intel_vgpu_type_groups); int (*vgpu_query_plane)(struct intel_vgpu *vgpu, void *); int (*vgpu_get_dmabuf)(struct intel_vgpu *vgpu, unsigned int); diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 477badfcb258..dda320749c65 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -669,8 +669,8 @@ static void vgpu_update_refresh_rate(struct intel_vgpu *vgpu) link_n = vgpu_vreg_t(vgpu, PIPE_LINK_N1(TRANSCODER_A)); /* Get H/V total from transcoder timing */ - htotal = (vgpu_vreg_t(vgpu, HTOTAL(TRANSCODER_A)) >> TRANS_HTOTAL_SHIFT) + 1; - vtotal = (vgpu_vreg_t(vgpu, VTOTAL(TRANSCODER_A)) >> TRANS_VTOTAL_SHIFT) + 1; + htotal = (vgpu_vreg_t(vgpu, HTOTAL(TRANSCODER_A)) >> TRANS_HTOTAL_SHIFT); + vtotal = (vgpu_vreg_t(vgpu, VTOTAL(TRANSCODER_A)) >> TRANS_VTOTAL_SHIFT); if (dp_br && link_n && htotal && vtotal) { u64 pixel_clk = 0; @@ -682,7 +682,7 @@ static void vgpu_update_refresh_rate(struct intel_vgpu *vgpu) pixel_clk *= MSEC_PER_SEC; /* Calcuate refresh rate by (pixel_clk / (h_total * v_total)) */ - new_rate = DIV64_U64_ROUND_CLOSEST(pixel_clk, div64_u64(mul_u32_u32(htotal, vtotal), MSEC_PER_SEC)); + new_rate = DIV64_U64_ROUND_CLOSEST(mul_u64_u32_shr(pixel_clk, MSEC_PER_SEC, 0), mul_u32_u32(htotal + 1, vtotal + 1)); if (*old_rate != new_rate) *old_rate = new_rate; diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index d089770795b8..65ff43cfc0f7 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -689,7 +689,7 @@ static void kvmgt_put_vfio_device(void *vgpu) vfio_device_put(vdev->vfio_device); } -static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev) +static int intel_vgpu_create(struct mdev_device *mdev) { struct intel_vgpu *vgpu = NULL; struct intel_vgpu_type *type; @@ -700,10 +700,9 @@ static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev) pdev = mdev_parent_dev(mdev); gvt = kdev_to_i915(pdev)->gvt; - type = intel_gvt_ops->gvt_find_vgpu_type(gvt, kobject_name(kobj)); + type = intel_gvt_ops->gvt_find_vgpu_type(gvt, + mdev_get_type_group_id(mdev)); if (!type) { - gvt_vgpu_err("failed to find type %s to create\n", - kobject_name(kobj)); ret = -EINVAL; goto out; } |