mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
607 lines
15 KiB
607 lines
15 KiB
// SPDX-License-Identifier: GPL-2.0-only |
|
/* |
|
* VDPA device simulator core. |
|
* |
|
* Copyright (c) 2020, Red Hat Inc. All rights reserved. |
|
* Author: Jason Wang <[email protected]> |
|
* |
|
*/ |
|
|
|
#include <linux/init.h> |
|
#include <linux/module.h> |
|
#include <linux/device.h> |
|
#include <linux/kernel.h> |
|
#include <linux/slab.h> |
|
#include <linux/sched.h> |
|
#include <linux/dma-map-ops.h> |
|
#include <linux/vringh.h> |
|
#include <linux/vdpa.h> |
|
#include <linux/vhost_iotlb.h> |
|
|
|
#include "vdpa_sim.h" |
|
|
|
#define DRV_VERSION "0.1" |
|
#define DRV_AUTHOR "Jason Wang <[email protected]>" |
|
#define DRV_DESC "vDPA Device Simulator core" |
|
#define DRV_LICENSE "GPL v2" |
|
|
|
static int batch_mapping = 1; |
|
module_param(batch_mapping, int, 0444); |
|
MODULE_PARM_DESC(batch_mapping, "Batched mapping 1 -Enable; 0 - Disable"); |
|
|
|
static int max_iotlb_entries = 2048; |
|
module_param(max_iotlb_entries, int, 0444); |
|
MODULE_PARM_DESC(max_iotlb_entries, |
|
"Maximum number of iotlb entries. 0 means unlimited. (default: 2048)"); |
|
|
|
#define VDPASIM_QUEUE_ALIGN PAGE_SIZE |
|
#define VDPASIM_QUEUE_MAX 256 |
|
#define VDPASIM_VENDOR_ID 0 |
|
|
|
static struct vdpasim *vdpa_to_sim(struct vdpa_device *vdpa) |
|
{ |
|
return container_of(vdpa, struct vdpasim, vdpa); |
|
} |
|
|
|
static struct vdpasim *dev_to_sim(struct device *dev) |
|
{ |
|
struct vdpa_device *vdpa = dev_to_vdpa(dev); |
|
|
|
return vdpa_to_sim(vdpa); |
|
} |
|
|
|
static void vdpasim_vq_notify(struct vringh *vring) |
|
{ |
|
struct vdpasim_virtqueue *vq = |
|
container_of(vring, struct vdpasim_virtqueue, vring); |
|
|
|
if (!vq->cb) |
|
return; |
|
|
|
vq->cb(vq->private); |
|
} |
|
|
|
static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx) |
|
{ |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features, |
|
VDPASIM_QUEUE_MAX, false, |
|
(struct vring_desc *)(uintptr_t)vq->desc_addr, |
|
(struct vring_avail *) |
|
(uintptr_t)vq->driver_addr, |
|
(struct vring_used *) |
|
(uintptr_t)vq->device_addr); |
|
|
|
vq->vring.notify = vdpasim_vq_notify; |
|
} |
|
|
|
static void vdpasim_vq_reset(struct vdpasim *vdpasim, |
|
struct vdpasim_virtqueue *vq) |
|
{ |
|
vq->ready = false; |
|
vq->desc_addr = 0; |
|
vq->driver_addr = 0; |
|
vq->device_addr = 0; |
|
vq->cb = NULL; |
|
vq->private = NULL; |
|
vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features, |
|
VDPASIM_QUEUE_MAX, false, NULL, NULL, NULL); |
|
|
|
vq->vring.notify = NULL; |
|
} |
|
|
|
static void vdpasim_reset(struct vdpasim *vdpasim) |
|
{ |
|
int i; |
|
|
|
for (i = 0; i < vdpasim->dev_attr.nvqs; i++) |
|
vdpasim_vq_reset(vdpasim, &vdpasim->vqs[i]); |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
vhost_iotlb_reset(vdpasim->iommu); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
|
|
vdpasim->features = 0; |
|
vdpasim->status = 0; |
|
++vdpasim->generation; |
|
} |
|
|
|
static int dir_to_perm(enum dma_data_direction dir) |
|
{ |
|
int perm = -EFAULT; |
|
|
|
switch (dir) { |
|
case DMA_FROM_DEVICE: |
|
perm = VHOST_MAP_WO; |
|
break; |
|
case DMA_TO_DEVICE: |
|
perm = VHOST_MAP_RO; |
|
break; |
|
case DMA_BIDIRECTIONAL: |
|
perm = VHOST_MAP_RW; |
|
break; |
|
default: |
|
break; |
|
} |
|
|
|
return perm; |
|
} |
|
|
|
static dma_addr_t vdpasim_map_page(struct device *dev, struct page *page, |
|
unsigned long offset, size_t size, |
|
enum dma_data_direction dir, |
|
unsigned long attrs) |
|
{ |
|
struct vdpasim *vdpasim = dev_to_sim(dev); |
|
struct vhost_iotlb *iommu = vdpasim->iommu; |
|
u64 pa = (page_to_pfn(page) << PAGE_SHIFT) + offset; |
|
int ret, perm = dir_to_perm(dir); |
|
|
|
if (perm < 0) |
|
return DMA_MAPPING_ERROR; |
|
|
|
/* For simplicity, use identical mapping to avoid e.g iova |
|
* allocator. |
|
*/ |
|
spin_lock(&vdpasim->iommu_lock); |
|
ret = vhost_iotlb_add_range(iommu, pa, pa + size - 1, |
|
pa, dir_to_perm(dir)); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
if (ret) |
|
return DMA_MAPPING_ERROR; |
|
|
|
return (dma_addr_t)(pa); |
|
} |
|
|
|
static void vdpasim_unmap_page(struct device *dev, dma_addr_t dma_addr, |
|
size_t size, enum dma_data_direction dir, |
|
unsigned long attrs) |
|
{ |
|
struct vdpasim *vdpasim = dev_to_sim(dev); |
|
struct vhost_iotlb *iommu = vdpasim->iommu; |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
vhost_iotlb_del_range(iommu, (u64)dma_addr, |
|
(u64)dma_addr + size - 1); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
} |
|
|
|
static void *vdpasim_alloc_coherent(struct device *dev, size_t size, |
|
dma_addr_t *dma_addr, gfp_t flag, |
|
unsigned long attrs) |
|
{ |
|
struct vdpasim *vdpasim = dev_to_sim(dev); |
|
struct vhost_iotlb *iommu = vdpasim->iommu; |
|
void *addr = kmalloc(size, flag); |
|
int ret; |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
if (!addr) { |
|
*dma_addr = DMA_MAPPING_ERROR; |
|
} else { |
|
u64 pa = virt_to_phys(addr); |
|
|
|
ret = vhost_iotlb_add_range(iommu, (u64)pa, |
|
(u64)pa + size - 1, |
|
pa, VHOST_MAP_RW); |
|
if (ret) { |
|
*dma_addr = DMA_MAPPING_ERROR; |
|
kfree(addr); |
|
addr = NULL; |
|
} else |
|
*dma_addr = (dma_addr_t)pa; |
|
} |
|
spin_unlock(&vdpasim->iommu_lock); |
|
|
|
return addr; |
|
} |
|
|
|
static void vdpasim_free_coherent(struct device *dev, size_t size, |
|
void *vaddr, dma_addr_t dma_addr, |
|
unsigned long attrs) |
|
{ |
|
struct vdpasim *vdpasim = dev_to_sim(dev); |
|
struct vhost_iotlb *iommu = vdpasim->iommu; |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
vhost_iotlb_del_range(iommu, (u64)dma_addr, |
|
(u64)dma_addr + size - 1); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
|
|
kfree(phys_to_virt((uintptr_t)dma_addr)); |
|
} |
|
|
|
static const struct dma_map_ops vdpasim_dma_ops = { |
|
.map_page = vdpasim_map_page, |
|
.unmap_page = vdpasim_unmap_page, |
|
.alloc = vdpasim_alloc_coherent, |
|
.free = vdpasim_free_coherent, |
|
}; |
|
|
|
static const struct vdpa_config_ops vdpasim_config_ops; |
|
static const struct vdpa_config_ops vdpasim_batch_config_ops; |
|
|
|
struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) |
|
{ |
|
const struct vdpa_config_ops *ops; |
|
struct vdpasim *vdpasim; |
|
struct device *dev; |
|
int i, ret = -ENOMEM; |
|
|
|
if (batch_mapping) |
|
ops = &vdpasim_batch_config_ops; |
|
else |
|
ops = &vdpasim_config_ops; |
|
|
|
vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, |
|
dev_attr->name); |
|
if (!vdpasim) |
|
goto err_alloc; |
|
|
|
vdpasim->dev_attr = *dev_attr; |
|
INIT_WORK(&vdpasim->work, dev_attr->work_fn); |
|
spin_lock_init(&vdpasim->lock); |
|
spin_lock_init(&vdpasim->iommu_lock); |
|
|
|
dev = &vdpasim->vdpa.dev; |
|
dev->dma_mask = &dev->coherent_dma_mask; |
|
if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64))) |
|
goto err_iommu; |
|
set_dma_ops(dev, &vdpasim_dma_ops); |
|
vdpasim->vdpa.mdev = dev_attr->mgmt_dev; |
|
|
|
vdpasim->config = kzalloc(dev_attr->config_size, GFP_KERNEL); |
|
if (!vdpasim->config) |
|
goto err_iommu; |
|
|
|
vdpasim->vqs = kcalloc(dev_attr->nvqs, sizeof(struct vdpasim_virtqueue), |
|
GFP_KERNEL); |
|
if (!vdpasim->vqs) |
|
goto err_iommu; |
|
|
|
vdpasim->iommu = vhost_iotlb_alloc(max_iotlb_entries, 0); |
|
if (!vdpasim->iommu) |
|
goto err_iommu; |
|
|
|
vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL); |
|
if (!vdpasim->buffer) |
|
goto err_iommu; |
|
|
|
for (i = 0; i < dev_attr->nvqs; i++) |
|
vringh_set_iotlb(&vdpasim->vqs[i].vring, vdpasim->iommu); |
|
|
|
vdpasim->vdpa.dma_dev = dev; |
|
|
|
return vdpasim; |
|
|
|
err_iommu: |
|
put_device(dev); |
|
err_alloc: |
|
return ERR_PTR(ret); |
|
} |
|
EXPORT_SYMBOL_GPL(vdpasim_create); |
|
|
|
static int vdpasim_set_vq_address(struct vdpa_device *vdpa, u16 idx, |
|
u64 desc_area, u64 driver_area, |
|
u64 device_area) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
vq->desc_addr = desc_area; |
|
vq->driver_addr = driver_area; |
|
vq->device_addr = device_area; |
|
|
|
return 0; |
|
} |
|
|
|
static void vdpasim_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
vq->num = num; |
|
} |
|
|
|
static void vdpasim_kick_vq(struct vdpa_device *vdpa, u16 idx) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
if (vq->ready) |
|
schedule_work(&vdpasim->work); |
|
} |
|
|
|
static void vdpasim_set_vq_cb(struct vdpa_device *vdpa, u16 idx, |
|
struct vdpa_callback *cb) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
vq->cb = cb->callback; |
|
vq->private = cb->private; |
|
} |
|
|
|
static void vdpasim_set_vq_ready(struct vdpa_device *vdpa, u16 idx, bool ready) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
spin_lock(&vdpasim->lock); |
|
vq->ready = ready; |
|
if (vq->ready) |
|
vdpasim_queue_ready(vdpasim, idx); |
|
spin_unlock(&vdpasim->lock); |
|
} |
|
|
|
static bool vdpasim_get_vq_ready(struct vdpa_device *vdpa, u16 idx) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
|
|
return vq->ready; |
|
} |
|
|
|
static int vdpasim_set_vq_state(struct vdpa_device *vdpa, u16 idx, |
|
const struct vdpa_vq_state *state) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
struct vringh *vrh = &vq->vring; |
|
|
|
spin_lock(&vdpasim->lock); |
|
vrh->last_avail_idx = state->avail_index; |
|
spin_unlock(&vdpasim->lock); |
|
|
|
return 0; |
|
} |
|
|
|
static int vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx, |
|
struct vdpa_vq_state *state) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; |
|
struct vringh *vrh = &vq->vring; |
|
|
|
state->avail_index = vrh->last_avail_idx; |
|
return 0; |
|
} |
|
|
|
static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa) |
|
{ |
|
return VDPASIM_QUEUE_ALIGN; |
|
} |
|
|
|
static u64 vdpasim_get_features(struct vdpa_device *vdpa) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
return vdpasim->dev_attr.supported_features; |
|
} |
|
|
|
static int vdpasim_set_features(struct vdpa_device *vdpa, u64 features) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
/* DMA mapping must be done by driver */ |
|
if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) |
|
return -EINVAL; |
|
|
|
vdpasim->features = features & vdpasim->dev_attr.supported_features; |
|
|
|
return 0; |
|
} |
|
|
|
static void vdpasim_set_config_cb(struct vdpa_device *vdpa, |
|
struct vdpa_callback *cb) |
|
{ |
|
/* We don't support config interrupt */ |
|
} |
|
|
|
static u16 vdpasim_get_vq_num_max(struct vdpa_device *vdpa) |
|
{ |
|
return VDPASIM_QUEUE_MAX; |
|
} |
|
|
|
static u32 vdpasim_get_device_id(struct vdpa_device *vdpa) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
return vdpasim->dev_attr.id; |
|
} |
|
|
|
static u32 vdpasim_get_vendor_id(struct vdpa_device *vdpa) |
|
{ |
|
return VDPASIM_VENDOR_ID; |
|
} |
|
|
|
static u8 vdpasim_get_status(struct vdpa_device *vdpa) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
u8 status; |
|
|
|
spin_lock(&vdpasim->lock); |
|
status = vdpasim->status; |
|
spin_unlock(&vdpasim->lock); |
|
|
|
return status; |
|
} |
|
|
|
static void vdpasim_set_status(struct vdpa_device *vdpa, u8 status) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
spin_lock(&vdpasim->lock); |
|
vdpasim->status = status; |
|
if (status == 0) |
|
vdpasim_reset(vdpasim); |
|
spin_unlock(&vdpasim->lock); |
|
} |
|
|
|
static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset, |
|
void *buf, unsigned int len) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
if (offset + len > vdpasim->dev_attr.config_size) |
|
return; |
|
|
|
if (vdpasim->dev_attr.get_config) |
|
vdpasim->dev_attr.get_config(vdpasim, vdpasim->config); |
|
|
|
memcpy(buf, vdpasim->config + offset, len); |
|
} |
|
|
|
static void vdpasim_set_config(struct vdpa_device *vdpa, unsigned int offset, |
|
const void *buf, unsigned int len) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
if (offset + len > vdpasim->dev_attr.config_size) |
|
return; |
|
|
|
memcpy(vdpasim->config + offset, buf, len); |
|
|
|
if (vdpasim->dev_attr.set_config) |
|
vdpasim->dev_attr.set_config(vdpasim, vdpasim->config); |
|
} |
|
|
|
static u32 vdpasim_get_generation(struct vdpa_device *vdpa) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
return vdpasim->generation; |
|
} |
|
|
|
static struct vdpa_iova_range vdpasim_get_iova_range(struct vdpa_device *vdpa) |
|
{ |
|
struct vdpa_iova_range range = { |
|
.first = 0ULL, |
|
.last = ULLONG_MAX, |
|
}; |
|
|
|
return range; |
|
} |
|
|
|
static int vdpasim_set_map(struct vdpa_device *vdpa, |
|
struct vhost_iotlb *iotlb) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
struct vhost_iotlb_map *map; |
|
u64 start = 0ULL, last = 0ULL - 1; |
|
int ret; |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
vhost_iotlb_reset(vdpasim->iommu); |
|
|
|
for (map = vhost_iotlb_itree_first(iotlb, start, last); map; |
|
map = vhost_iotlb_itree_next(map, start, last)) { |
|
ret = vhost_iotlb_add_range(vdpasim->iommu, map->start, |
|
map->last, map->addr, map->perm); |
|
if (ret) |
|
goto err; |
|
} |
|
spin_unlock(&vdpasim->iommu_lock); |
|
return 0; |
|
|
|
err: |
|
vhost_iotlb_reset(vdpasim->iommu); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
return ret; |
|
} |
|
|
|
static int vdpasim_dma_map(struct vdpa_device *vdpa, u64 iova, u64 size, |
|
u64 pa, u32 perm) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
int ret; |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
ret = vhost_iotlb_add_range(vdpasim->iommu, iova, iova + size - 1, pa, |
|
perm); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
|
|
return ret; |
|
} |
|
|
|
static int vdpasim_dma_unmap(struct vdpa_device *vdpa, u64 iova, u64 size) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
spin_lock(&vdpasim->iommu_lock); |
|
vhost_iotlb_del_range(vdpasim->iommu, iova, iova + size - 1); |
|
spin_unlock(&vdpasim->iommu_lock); |
|
|
|
return 0; |
|
} |
|
|
|
static void vdpasim_free(struct vdpa_device *vdpa) |
|
{ |
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa); |
|
|
|
cancel_work_sync(&vdpasim->work); |
|
kvfree(vdpasim->buffer); |
|
if (vdpasim->iommu) |
|
vhost_iotlb_free(vdpasim->iommu); |
|
kfree(vdpasim->vqs); |
|
kfree(vdpasim->config); |
|
} |
|
|
|
static const struct vdpa_config_ops vdpasim_config_ops = { |
|
.set_vq_address = vdpasim_set_vq_address, |
|
.set_vq_num = vdpasim_set_vq_num, |
|
.kick_vq = vdpasim_kick_vq, |
|
.set_vq_cb = vdpasim_set_vq_cb, |
|
.set_vq_ready = vdpasim_set_vq_ready, |
|
.get_vq_ready = vdpasim_get_vq_ready, |
|
.set_vq_state = vdpasim_set_vq_state, |
|
.get_vq_state = vdpasim_get_vq_state, |
|
.get_vq_align = vdpasim_get_vq_align, |
|
.get_features = vdpasim_get_features, |
|
.set_features = vdpasim_set_features, |
|
.set_config_cb = vdpasim_set_config_cb, |
|
.get_vq_num_max = vdpasim_get_vq_num_max, |
|
.get_device_id = vdpasim_get_device_id, |
|
.get_vendor_id = vdpasim_get_vendor_id, |
|
.get_status = vdpasim_get_status, |
|
.set_status = vdpasim_set_status, |
|
.get_config = vdpasim_get_config, |
|
.set_config = vdpasim_set_config, |
|
.get_generation = vdpasim_get_generation, |
|
.get_iova_range = vdpasim_get_iova_range, |
|
.dma_map = vdpasim_dma_map, |
|
.dma_unmap = vdpasim_dma_unmap, |
|
.free = vdpasim_free, |
|
}; |
|
|
|
static const struct vdpa_config_ops vdpasim_batch_config_ops = { |
|
.set_vq_address = vdpasim_set_vq_address, |
|
.set_vq_num = vdpasim_set_vq_num, |
|
.kick_vq = vdpasim_kick_vq, |
|
.set_vq_cb = vdpasim_set_vq_cb, |
|
.set_vq_ready = vdpasim_set_vq_ready, |
|
.get_vq_ready = vdpasim_get_vq_ready, |
|
.set_vq_state = vdpasim_set_vq_state, |
|
.get_vq_state = vdpasim_get_vq_state, |
|
.get_vq_align = vdpasim_get_vq_align, |
|
.get_features = vdpasim_get_features, |
|
.set_features = vdpasim_set_features, |
|
.set_config_cb = vdpasim_set_config_cb, |
|
.get_vq_num_max = vdpasim_get_vq_num_max, |
|
.get_device_id = vdpasim_get_device_id, |
|
.get_vendor_id = vdpasim_get_vendor_id, |
|
.get_status = vdpasim_get_status, |
|
.set_status = vdpasim_set_status, |
|
.get_config = vdpasim_get_config, |
|
.set_config = vdpasim_set_config, |
|
.get_generation = vdpasim_get_generation, |
|
.get_iova_range = vdpasim_get_iova_range, |
|
.set_map = vdpasim_set_map, |
|
.free = vdpasim_free, |
|
}; |
|
|
|
MODULE_VERSION(DRV_VERSION); |
|
MODULE_LICENSE(DRV_LICENSE); |
|
MODULE_AUTHOR(DRV_AUTHOR); |
|
MODULE_DESCRIPTION(DRV_DESC);
|
|
|