diff options
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_pf_provision.c | 16 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_pf_provision_types.h | 32 | ||||
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sriov_pf_types.h | 4 |
3 files changed, 51 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_provision.c b/drivers/gpu/drm/xe/xe_sriov_pf_provision.c index 4895d0a70089..1e782a96bbdd 100644 --- a/drivers/gpu/drm/xe/xe_sriov_pf_provision.c +++ b/drivers/gpu/drm/xe/xe_sriov_pf_provision.c @@ -9,6 +9,14 @@ #include "xe_sriov.h" #include "xe_sriov_pf_helpers.h" #include "xe_sriov_pf_provision.h" +#include "xe_sriov_pf_provision_types.h" + +static bool pf_auto_provisioning_mode(struct xe_device *xe) +{ + xe_assert(xe, IS_SRIOV_PF(xe)); + + return xe->sriov.pf.provision.mode == XE_SRIOV_PROVISIONING_MODE_AUTO; +} static bool pf_needs_provisioning(struct xe_gt *gt, unsigned int num_vfs) { @@ -30,7 +38,7 @@ static int pf_provision_vfs(struct xe_device *xe, unsigned int num_vfs) for_each_gt(gt, xe, id) { if (!pf_needs_provisioning(gt, num_vfs)) - continue; + return -EUCLEAN; err = xe_gt_sriov_pf_config_set_fair(gt, VFID(1), num_vfs); result = result ?: err; } @@ -62,6 +70,9 @@ int xe_sriov_pf_provision_vfs(struct xe_device *xe, unsigned int num_vfs) { xe_assert(xe, IS_SRIOV_PF(xe)); + if (!pf_auto_provisioning_mode(xe)) + return 0; + return pf_provision_vfs(xe, num_vfs); } @@ -78,6 +89,9 @@ int xe_sriov_pf_unprovision_vfs(struct xe_device *xe, unsigned int num_vfs) { xe_assert(xe, IS_SRIOV_PF(xe)); + if (!pf_auto_provisioning_mode(xe)) + return 0; + pf_unprovision_vfs(xe, num_vfs); return 0; } diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_provision_types.h b/drivers/gpu/drm/xe/xe_sriov_pf_provision_types.h new file mode 100644 index 000000000000..f72bc5db3a60 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_sriov_pf_provision_types.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2025 Intel Corporation + */ + +#ifndef _XE_SRIOV_PF_PROVISION_TYPES_H_ +#define _XE_SRIOV_PF_PROVISION_TYPES_H_ + +#include <linux/build_bug.h> + +/** + * enum xe_sriov_provisioning_mode - SR-IOV provisioning mode. + * + * @XE_SRIOV_PROVISIONING_MODE_AUTO: VFs are provisioned during VFs enabling. + * Any allocated resources to the VFs will be + * automatically released when disabling VFs. + * This is a default mode. + */ +enum xe_sriov_provisioning_mode { + XE_SRIOV_PROVISIONING_MODE_AUTO, +}; +static_assert(XE_SRIOV_PROVISIONING_MODE_AUTO == 0); + +/** + * struct xe_sriov_pf_provision - Data used by the PF provisioning. + */ +struct xe_sriov_pf_provision { + /** @mode: selected provisioning mode. */ + enum xe_sriov_provisioning_mode mode; +}; + +#endif diff --git a/drivers/gpu/drm/xe/xe_sriov_pf_types.h b/drivers/gpu/drm/xe/xe_sriov_pf_types.h index 956a88f9f213..c753cd59aed2 100644 --- a/drivers/gpu/drm/xe/xe_sriov_pf_types.h +++ b/drivers/gpu/drm/xe/xe_sriov_pf_types.h @@ -9,6 +9,7 @@ #include <linux/mutex.h> #include <linux/types.h> +#include "xe_sriov_pf_provision_types.h" #include "xe_sriov_pf_service_types.h" /** @@ -35,6 +36,9 @@ struct xe_device_pf { /** @master_lock: protects all VFs configurations across GTs */ struct mutex master_lock; + /** @provision: device level provisioning data. */ + struct xe_sriov_pf_provision provision; + /** @service: device level service data. */ struct xe_sriov_pf_service service; |