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s390/vfio-ap: s390/crypto: fix all kernel-doc warnings
Fixes the kernel-doc warnings in the following source files: * drivers/s390/crypto/vfio_ap_private.h * drivers/s390/crypto/vfio_ap_drv.c * drivers/s390/crypto/vfio_ap_ops.c Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
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a4892f85c8
commit
5ef4f71006
3 changed files with 44 additions and 20 deletions
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@ -42,10 +42,13 @@ static struct ap_device_id ap_queue_ids[] = {
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MODULE_DEVICE_TABLE(vfio_ap, ap_queue_ids);
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/**
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* vfio_ap_queue_dev_probe:
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* vfio_ap_queue_dev_probe: Allocate a vfio_ap_queue structure and associate it
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* with the device as driver_data.
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*
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* Allocate a vfio_ap_queue structure and associate it
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* with the device as driver_data.
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* @apdev: the AP device being probed
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*
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* Return: returns 0 if the probe succeeded; otherwise, returns -ENOMEM if
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* storage could not be allocated for a vfio_ap_queue object.
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*/
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static int vfio_ap_queue_dev_probe(struct ap_device *apdev)
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{
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@ -61,10 +64,11 @@ static int vfio_ap_queue_dev_probe(struct ap_device *apdev)
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}
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/**
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* vfio_ap_queue_dev_remove:
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* vfio_ap_queue_dev_remove: Free the associated vfio_ap_queue structure.
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*
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* Takes the matrix lock to avoid actions on this device while removing
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* Free the associated vfio_ap_queue structure
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* @apdev: the AP device being removed
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*
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* Takes the matrix lock to avoid actions on this device while doing the remove.
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*/
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static void vfio_ap_queue_dev_remove(struct ap_device *apdev)
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{
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@ -187,6 +187,8 @@ static struct ap_queue_status vfio_ap_irq_disable(struct vfio_ap_queue *q)
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* vfio_ap_irq_enable - Enable Interruption for a APQN
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*
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* @q: the vfio_ap_queue holding AQIC parameters
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* @isc: the guest ISC to register with the GIB interface
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* @nib: the notification indicator byte to pin.
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*
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* Pin the NIB saved in *q
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* Register the guest ISC to GIB interface and retrieve the
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@ -738,7 +740,6 @@ vfio_ap_mdev_verify_queues_reserved_for_apqi(struct ap_matrix_mdev *matrix_mdev,
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* assign_domain_store - parses the APQI from @buf and sets the
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* corresponding bit in the mediated matrix device's AQM
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*
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*
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* @dev: the matrix device
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* @attr: the mediated matrix device's assign_domain attribute
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* @buf: a buffer containing the AP queue index (APQI) of the domain to
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@ -866,7 +867,6 @@ static DEVICE_ATTR_WO(unassign_domain);
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* assign_control_domain_store - parses the domain ID from @buf and sets
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* the corresponding bit in the mediated matrix device's ADM
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*
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*
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* @dev: the matrix device
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* @attr: the mediated matrix device's assign_control_domain attribute
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* @buf: a buffer containing the domain ID to be assigned
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@ -1142,6 +1142,7 @@ static int vfio_ap_mdev_iommu_notifier(struct notifier_block *nb,
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* by @matrix_mdev.
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*
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* @matrix_mdev: a matrix mediated device
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* @kvm: the pointer to the kvm structure being unset.
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*
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* Note: The matrix_dev->lock must be taken prior to calling
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* this function; however, the lock will be temporarily released while the
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@ -26,16 +26,18 @@
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#define VFIO_AP_DRV_NAME "vfio_ap"
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/**
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* ap_matrix_dev - the AP matrix device structure
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* struct ap_matrix_dev - Contains the data for the matrix device.
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*
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* @device: generic device structure associated with the AP matrix device
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* @available_instances: number of mediated matrix devices that can be created
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* @info: the struct containing the output from the PQAP(QCI) instruction
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* mdev_list: the list of mediated matrix devices created
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* lock: mutex for locking the AP matrix device. This lock will be
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* @mdev_list: the list of mediated matrix devices created
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* @lock: mutex for locking the AP matrix device. This lock will be
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* taken every time we fiddle with state managed by the vfio_ap
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* driver, be it using @mdev_list or writing the state of a
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* single ap_matrix_mdev device. It's quite coarse but we don't
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* expect much contention.
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* @vfio_ap_drv: the vfio_ap device driver
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*/
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struct ap_matrix_dev {
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struct device device;
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@ -49,17 +51,19 @@ struct ap_matrix_dev {
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extern struct ap_matrix_dev *matrix_dev;
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/**
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* The AP matrix is comprised of three bit masks identifying the adapters,
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* queues (domains) and control domains that belong to an AP matrix. The bits i
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* each mask, from least significant to most significant bit, correspond to IDs
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* 0 to 255. When a bit is set, the corresponding ID belongs to the matrix.
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* struct ap_matrix - matrix of adapters, domains and control domains
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*
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* @apm_max: max adapter number in @apm
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* @apm identifies the AP adapters in the matrix
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* @apm: identifies the AP adapters in the matrix
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* @aqm_max: max domain number in @aqm
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* @aqm identifies the AP queues (domains) in the matrix
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* @aqm: identifies the AP queues (domains) in the matrix
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* @adm_max: max domain number in @adm
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* @adm identifies the AP control domains in the matrix
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* @adm: identifies the AP control domains in the matrix
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*
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* The AP matrix is comprised of three bit masks identifying the adapters,
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* queues (domains) and control domains that belong to an AP matrix. The bits in
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* each mask, from left to right, correspond to IDs 0 to 255. When a bit is set
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* the corresponding ID belongs to the matrix.
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*/
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struct ap_matrix {
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unsigned long apm_max;
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@ -71,13 +75,20 @@ struct ap_matrix {
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};
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/**
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* struct ap_matrix_mdev - the mediated matrix device structure
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* @list: allows the ap_matrix_mdev struct to be added to a list
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* struct ap_matrix_mdev - Contains the data associated with a matrix mediated
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* device.
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* @vdev: the vfio device
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* @node: allows the ap_matrix_mdev struct to be added to a list
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* @matrix: the adapters, usage domains and control domains assigned to the
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* mediated matrix device.
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* @group_notifier: notifier block used for specifying callback function for
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* handling the VFIO_GROUP_NOTIFY_SET_KVM event
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* @iommu_notifier: notifier block used for specifying callback function for
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* handling the VFIO_IOMMU_NOTIFY_DMA_UNMAP even
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* @kvm: the struct holding guest's state
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* @pqap_hook: the function pointer to the interception handler for the
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* PQAP(AQIC) instruction.
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* @mdev: the mediated device
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*/
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struct ap_matrix_mdev {
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struct vfio_device vdev;
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@ -90,6 +101,14 @@ struct ap_matrix_mdev {
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struct mdev_device *mdev;
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};
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/**
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* struct vfio_ap_queue - contains the data associated with a queue bound to the
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* vfio_ap device driver
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* @matrix_mdev: the matrix mediated device
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* @saved_pfn: the guest PFN pinned for the guest
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* @apqn: the APQN of the AP queue device
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* @saved_isc: the guest ISC registered with the GIB interface
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*/
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struct vfio_ap_queue {
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struct ap_matrix_mdev *matrix_mdev;
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unsigned long saved_pfn;
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