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dm: virtio: refine header file

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Reuse linux common virtio header file and remove the repetitive
definition.

Tracked-On: #2145
Signed-off-by: Conghui Chen <conghui.chen@intel.com>
Acked-by: Yu Wang <yu1.wang@intel.com>
This commit is contained in:
Conghui Chen
2018-12-21 21:57:05 +00:00
committed by wenlingz
parent 738f2536fe
commit 5253ac7af5
12 changed files with 161 additions and 345 deletions
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244
devicemodel/hw/pci/virtio/virtio.c
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@@ -85,7 +85,7 @@ virtio_poll_timer(void *arg)
for (i = 0; i < base->vops->nvq; i++) {
vq = &base->queues[i];
vq->used->flags |= ACRN_VRING_USED_F_NO_NOTIFY;
vq->used->flags |= VRING_USED_F_NO_NOTIFY;
/* TODO: call notify when necessary */
if (vq->notify)
(*vq->notify)(DEV_STRUCT(base), vq);
@@ -204,10 +204,10 @@ virtio_set_io_bar(struct virtio_base *base, int barnum)
size_t size;
/*
* ??? should we use CFG0 if MSI-X is disabled?
* Existing code did not...
* ??? should we use VIRTIO_PCI_CONFIG_OFF(0) if MSI-X
* is disabled? Existing code did not...
*/
size = VIRTIO_CR_CFG1 + base->vops->cfgsize;
size = VIRTIO_PCI_CONFIG_OFF(1) + base->vops->cfgsize;
pci_emul_alloc_bar(base->dev, barnum, PCIBAR_IO, size);
base->legacy_pio_bar_idx = barnum;
}
@@ -286,22 +286,22 @@ virtio_vq_init(struct virtio_base *base, uint32_t pfn)
vq = &base->queues[base->curq];
vq->pfn = pfn;
phys = (uint64_t)pfn << VRING_PAGE_BITS;
size = virtio_vring_size(vq->qsize);
size = vring_size(vq->qsize, VIRTIO_PCI_VRING_ALIGN);
vb = paddr_guest2host(base->dev->vmctx, phys, size);
/* First page(s) are descriptors... */
vq->desc = (struct virtio_desc *)vb;
vb += vq->qsize * sizeof(struct virtio_desc);
vq->desc = (struct vring_desc *)vb;
vb += vq->qsize * sizeof(struct vring_desc);
/* ... immediately followed by "avail" ring (entirely uint16_t's) */
vq->avail = (struct virtio_vring_avail *)vb;
vq->avail = (struct vring_avail *)vb;
vb += (2 + vq->qsize + 1) * sizeof(uint16_t);
/* Then it's rounded up to the next page... */
vb = (char *)roundup2((uintptr_t)vb, VRING_ALIGN);
vb = (char *)roundup2((uintptr_t)vb, VIRTIO_PCI_VRING_ALIGN);
/* ... and the last page(s) are the used ring. */
vq->used = (struct virtio_vring_used *)vb;
vq->used = (struct vring_used *)vb;
/* Mark queue as allocated, and start at 0 when we use it. */
vq->flags = VQ_ALLOC;
@@ -329,21 +329,21 @@ virtio_vq_enable(struct virtio_base *base)
/* descriptors */
phys = (((uint64_t)vq->gpa_desc[1]) << 32) | vq->gpa_desc[0];
size = qsz * sizeof(struct virtio_desc);
size = qsz * sizeof(struct vring_desc);
vb = paddr_guest2host(base->dev->vmctx, phys, size);
vq->desc = (struct virtio_desc *)vb;
vq->desc = (struct vring_desc *)vb;
/* available ring */
phys = (((uint64_t)vq->gpa_avail[1]) << 32) | vq->gpa_avail[0];
size = (2 + qsz + 1) * sizeof(uint16_t);
vb = paddr_guest2host(base->dev->vmctx, phys, size);
vq->avail = (struct virtio_vring_avail *)vb;
vq->avail = (struct vring_avail *)vb;
/* used ring */
phys = (((uint64_t)vq->gpa_used[1]) << 32) | vq->gpa_used[0];
size = sizeof(uint16_t) * 3 + sizeof(struct virtio_used) * qsz;
size = sizeof(uint16_t) * 3 + sizeof(struct vring_used_elem) * qsz;
vb = paddr_guest2host(base->dev->vmctx, phys, size);
vq->used = (struct virtio_vring_used *)vb;
vq->used = (struct vring_used *)vb;
/* Mark queue as allocated, and start at 0 when we use it. */
vq->flags = VQ_ALLOC;
@@ -359,7 +359,7 @@ virtio_vq_enable(struct virtio_base *base)
* descriptor.
*/
static inline void
_vq_record(int i, volatile struct virtio_desc *vd, struct vmctx *ctx,
_vq_record(int i, volatile struct vring_desc *vd, struct vmctx *ctx,
struct iovec *iov, int n_iov, uint16_t *flags) {
if (i >= n_iov)
@@ -418,7 +418,7 @@ vq_getchain(struct virtio_vq_info *vq, uint16_t *pidx,
u_int ndesc, n_indir;
u_int idx, next;
volatile struct virtio_desc *vdir, *vindir, *vp;
volatile struct vring_desc *vdir, *vindir, *vp;
struct vmctx *ctx;
struct virtio_base *base;
const char *name;
@@ -471,11 +471,11 @@ vq_getchain(struct virtio_vq_info *vq, uint16_t *pidx,
return -1;
}
vdir = &vq->desc[next];
if ((vdir->flags & ACRN_VRING_DESC_F_INDIRECT) == 0) {
if ((vdir->flags & VRING_DESC_F_INDIRECT) == 0) {
_vq_record(i, vdir, ctx, iov, n_iov, flags);
i++;
} else if ((base->device_caps &
ACRN_VIRTIO_RING_F_INDIRECT_DESC) == 0) {
(1 << VIRTIO_RING_F_INDIRECT_DESC)) == 0) {
fprintf(stderr,
"%s: descriptor has forbidden INDIRECT flag, "
"driver confused?\r\n",
@@ -502,7 +502,7 @@ vq_getchain(struct virtio_vq_info *vq, uint16_t *pidx,
next = 0;
for (;;) {
vp = &vindir[next];
if (vp->flags & ACRN_VRING_DESC_F_INDIRECT) {
if (vp->flags & VRING_DESC_F_INDIRECT) {
fprintf(stderr,
"%s: indirect desc has INDIR flag,"
" driver confused?\r\n",
@@ -512,7 +512,7 @@ vq_getchain(struct virtio_vq_info *vq, uint16_t *pidx,
_vq_record(i, vp, ctx, iov, n_iov, flags);
if (++i > VQ_MAX_DESCRIPTORS)
goto loopy;
if ((vp->flags & ACRN_VRING_DESC_F_NEXT) == 0)
if ((vp->flags & VRING_DESC_F_NEXT) == 0)
break;
next = vp->next;
if (next >= n_indir) {
@@ -524,7 +524,7 @@ vq_getchain(struct virtio_vq_info *vq, uint16_t *pidx,
}
}
}
if ((vdir->flags & ACRN_VRING_DESC_F_NEXT) == 0)
if ((vdir->flags & VRING_DESC_F_NEXT) == 0)
return i;
}
loopy:
@@ -557,8 +557,8 @@ void
vq_relchain(struct virtio_vq_info *vq, uint16_t idx, uint32_t iolen)
{
uint16_t uidx, mask;
volatile struct virtio_vring_used *vuh;
volatile struct virtio_used *vue;
volatile struct vring_used *vuh;
volatile struct vring_used_elem *vue;
/*
* Notes:
@@ -575,8 +575,8 @@ vq_relchain(struct virtio_vq_info *vq, uint16_t idx, uint32_t iolen)
uidx = vuh->idx;
vue = &vuh->ring[uidx++ & mask];
vue->idx = idx;
vue->tlen = iolen;
vue->id = idx;
vue->len = iolen;
vuh->idx = uidx;
}
@@ -606,7 +606,7 @@ vq_endchains(struct virtio_vq_info *vq, int used_all_avail)
* Interrupt generation: if we're using EVENT_IDX,
* interrupt if we've crossed the event threshold.
* Otherwise interrupt is generated if we added "used" entries,
* but suppressed by ACRN_VRING_AVAIL_F_NO_INTERRUPT.
* but suppressed by VRING_AVAIL_F_NO_INTERRUPT.
*
* In any case, though, if NOTIFY_ON_EMPTY is set and the
* entire avail was processed, we need to interrupt always.
@@ -615,9 +615,9 @@ vq_endchains(struct virtio_vq_info *vq, int used_all_avail)
old_idx = vq->save_used;
vq->save_used = new_idx = vq->used->idx;
if (used_all_avail &&
(base->negotiated_caps & ACRN_VIRTIO_F_NOTIFY_ON_EMPTY))
(base->negotiated_caps & (1 << VIRTIO_F_NOTIFY_ON_EMPTY)))
intr = 1;
else if (base->negotiated_caps & ACRN_VIRTIO_RING_F_EVENT_IDX) {
else if (base->negotiated_caps & (1 << VIRTIO_RING_F_EVENT_IDX)) {
event_idx = VQ_USED_EVENT_IDX(vq);
/*
* This calculation is per docs and the kernel
@@ -627,7 +627,7 @@ vq_endchains(struct virtio_vq_info *vq, int used_all_avail)
(uint16_t)(new_idx - old_idx);
} else {
intr = new_idx != old_idx &&
!(vq->avail->flags & ACRN_VRING_AVAIL_F_NO_INTERRUPT);
!(vq->avail->flags & VRING_AVAIL_F_NO_INTERRUPT);
}
if (intr)
vq_interrupt(base, vq);
@@ -654,7 +654,7 @@ void vq_clear_used_ring_flags(struct virtio_base *base, struct virtio_vq_info *v
if (virtio_poll_enabled && backend_type == BACKEND_VBSU && polling_in_progress == 1)
return;
vq->used->flags &= ~ACRN_VRING_USED_F_NO_NOTIFY;
vq->used->flags &= ~VRING_USED_F_NO_NOTIFY;
}
struct config_reg {
@@ -666,39 +666,39 @@ struct config_reg {
/* Note: these are in sorted order to make for a fast search */
static struct config_reg legacy_config_regs[] = {
{ VIRTIO_CR_HOSTCAP, 4, 1, "HOSTCAP" },
{ VIRTIO_CR_GUESTCAP, 4, 0, "GUESTCAP" },
{ VIRTIO_CR_PFN, 4, 0, "PFN" },
{ VIRTIO_CR_QNUM, 2, 1, "QNUM" },
{ VIRTIO_CR_QSEL, 2, 0, "QSEL" },
{ VIRTIO_CR_QNOTIFY, 2, 0, "QNOTIFY" },
{ VIRTIO_CR_STATUS, 1, 0, "STATUS" },
{ VIRTIO_CR_ISR, 1, 0, "ISR" },
{ VIRTIO_CR_CFGVEC, 2, 0, "CFGVEC" },
{ VIRTIO_CR_QVEC, 2, 0, "QVEC" },
{ VIRTIO_PCI_HOST_FEATURES, 4, 1, "HOSTCAP" },
{ VIRTIO_PCI_GUEST_FEATURES, 4, 0, "GUESTCAP" },
{ VIRTIO_PCI_QUEUE_PFN, 4, 0, "PFN" },
{ VIRTIO_PCI_QUEUE_NUM, 2, 1, "QNUM" },
{ VIRTIO_PCI_QUEUE_SEL, 2, 0, "QSEL" },
{ VIRTIO_PCI_QUEUE_NOTIFY, 2, 0, "QNOTIFY" },
{ VIRTIO_PCI_STATUS, 1, 0, "STATUS" },
{ VIRTIO_PCI_ISR, 1, 0, "ISR" },
{ VIRTIO_MSI_CONFIG_VECTOR, 2, 0, "CFGVEC" },
{ VIRTIO_MSI_QUEUE_VECTOR, 2, 0, "QVEC" },
};
/* Note: these are in sorted order to make for a fast search */
static struct config_reg modern_config_regs[] = {
{ VIRTIO_COMMON_DFSELECT, 4, 0, "DFSELECT" },
{ VIRTIO_COMMON_DF, 4, 1, "DF" },
{ VIRTIO_COMMON_GFSELECT, 4, 0, "GFSELECT" },
{ VIRTIO_COMMON_GF, 4, 0, "GF" },
{ VIRTIO_COMMON_MSIX, 2, 0, "MSIX" },
{ VIRTIO_COMMON_NUMQ, 2, 1, "NUMQ" },
{ VIRTIO_COMMON_STATUS, 1, 0, "STATUS" },
{ VIRTIO_COMMON_CFGGENERATION, 1, 1, "CFGGENERATION" },
{ VIRTIO_COMMON_Q_SELECT, 2, 0, "Q_SELECT" },
{ VIRTIO_COMMON_Q_SIZE, 2, 0, "Q_SIZE" },
{ VIRTIO_COMMON_Q_MSIX, 2, 0, "Q_MSIX" },
{ VIRTIO_COMMON_Q_ENABLE, 2, 0, "Q_ENABLE" },
{ VIRTIO_COMMON_Q_NOFF, 2, 1, "Q_NOFF" },
{ VIRTIO_COMMON_Q_DESCLO, 4, 0, "Q_DESCLO" },
{ VIRTIO_COMMON_Q_DESCHI, 4, 0, "Q_DESCHI" },
{ VIRTIO_COMMON_Q_AVAILLO, 4, 0, "Q_AVAILLO" },
{ VIRTIO_COMMON_Q_AVAILHI, 4, 0, "Q_AVAILHI" },
{ VIRTIO_COMMON_Q_USEDLO, 4, 0, "Q_USEDLO" },
{ VIRTIO_COMMON_Q_USEDHI, 4, 0, "Q_USEDHI" },
{ VIRTIO_PCI_COMMON_DFSELECT, 4, 0, "DFSELECT" },
{ VIRTIO_PCI_COMMON_DF, 4, 1, "DF" },
{ VIRTIO_PCI_COMMON_GFSELECT, 4, 0, "GFSELECT" },
{ VIRTIO_PCI_COMMON_GF, 4, 0, "GF" },
{ VIRTIO_PCI_COMMON_MSIX, 2, 0, "MSIX" },
{ VIRTIO_PCI_COMMON_NUMQ, 2, 1, "NUMQ" },
{ VIRTIO_PCI_COMMON_STATUS, 1, 0, "STATUS" },
{ VIRTIO_PCI_COMMON_CFGGENERATION, 1, 1, "CFGGENERATION" },
{ VIRTIO_PCI_COMMON_Q_SELECT, 2, 0, "Q_SELECT" },
{ VIRTIO_PCI_COMMON_Q_SIZE, 2, 0, "Q_SIZE" },
{ VIRTIO_PCI_COMMON_Q_MSIX, 2, 0, "Q_MSIX" },
{ VIRTIO_PCI_COMMON_Q_ENABLE, 2, 0, "Q_ENABLE" },
{ VIRTIO_PCI_COMMON_Q_NOFF, 2, 1, "Q_NOFF" },
{ VIRTIO_PCI_COMMON_Q_DESCLO, 4, 0, "Q_DESCLO" },
{ VIRTIO_PCI_COMMON_Q_DESCHI, 4, 0, "Q_DESCHI" },
{ VIRTIO_PCI_COMMON_Q_AVAILLO, 4, 0, "Q_AVAILLO" },
{ VIRTIO_PCI_COMMON_Q_AVAILHI, 4, 0, "Q_AVAILHI" },
{ VIRTIO_PCI_COMMON_Q_USEDLO, 4, 0, "Q_USEDLO" },
{ VIRTIO_PCI_COMMON_Q_USEDHI, 4, 0, "Q_USEDHI" },
};
static inline const struct config_reg *
@@ -769,9 +769,9 @@ virtio_pci_legacy_read(struct vmctx *ctx, int vcpu, struct pci_vdev *dev,
goto bad;
if (pci_msix_enabled(dev))
virtio_config_size = VIRTIO_CR_CFG1;
virtio_config_size = VIRTIO_PCI_CONFIG_OFF(1);
else
virtio_config_size = VIRTIO_CR_CFG0;
virtio_config_size = VIRTIO_PCI_CONFIG_OFF(0);
if (offset >= virtio_config_size) {
/*
@@ -806,39 +806,39 @@ bad:
}
switch (offset) {
case VIRTIO_CR_HOSTCAP:
case VIRTIO_PCI_HOST_FEATURES:
value = base->device_caps;
break;
case VIRTIO_CR_GUESTCAP:
case VIRTIO_PCI_GUEST_FEATURES:
value = base->negotiated_caps;
break;
case VIRTIO_CR_PFN:
case VIRTIO_PCI_QUEUE_PFN:
if (base->curq < vops->nvq)
value = base->queues[base->curq].pfn;
break;
case VIRTIO_CR_QNUM:
case VIRTIO_PCI_QUEUE_NUM:
value = base->curq < vops->nvq ?
base->queues[base->curq].qsize : 0;
break;
case VIRTIO_CR_QSEL:
case VIRTIO_PCI_QUEUE_SEL:
value = base->curq;
break;
case VIRTIO_CR_QNOTIFY:
case VIRTIO_PCI_QUEUE_NOTIFY:
value = 0; /* XXX */
break;
case VIRTIO_CR_STATUS:
case VIRTIO_PCI_STATUS:
value = base->status;
break;
case VIRTIO_CR_ISR:
case VIRTIO_PCI_ISR:
value = base->isr;
base->isr = 0; /* a read clears this flag */
if (value)
pci_lintr_deassert(dev);
break;
case VIRTIO_CR_CFGVEC:
case VIRTIO_MSI_CONFIG_VECTOR:
value = base->msix_cfg_idx;
break;
case VIRTIO_CR_QVEC:
case VIRTIO_MSI_QUEUE_VECTOR:
value = base->curq < vops->nvq ?
base->queues[base->curq].msix_idx :
VIRTIO_MSI_NO_VECTOR;
@@ -882,9 +882,9 @@ virtio_pci_legacy_write(struct vmctx *ctx, int vcpu, struct pci_vdev *dev,
goto bad;
if (pci_msix_enabled(dev))
virtio_config_size = VIRTIO_CR_CFG1;
virtio_config_size = VIRTIO_PCI_CONFIG_OFF(1);
else
virtio_config_size = VIRTIO_CR_CFG0;
virtio_config_size = VIRTIO_PCI_CONFIG_OFF(0);
if (offset >= virtio_config_size) {
/*
@@ -923,18 +923,18 @@ bad:
}
switch (offset) {
case VIRTIO_CR_GUESTCAP:
case VIRTIO_PCI_GUEST_FEATURES:
base->negotiated_caps = value & base->device_caps;
if (vops->apply_features)
(*vops->apply_features)(DEV_STRUCT(base),
base->negotiated_caps);
break;
case VIRTIO_CR_PFN:
case VIRTIO_PCI_QUEUE_PFN:
if (base->curq >= vops->nvq)
goto bad_qindex;
virtio_vq_init(base, value);
break;
case VIRTIO_CR_QSEL:
case VIRTIO_PCI_QUEUE_SEL:
/*
* Note that the guest is allowed to select an
* invalid queue; we just need to return a QNUM
@@ -942,7 +942,7 @@ bad:
*/
base->curq = value;
break;
case VIRTIO_CR_QNOTIFY:
case VIRTIO_PCI_QUEUE_NOTIFY:
if (value >= vops->nvq) {
fprintf(stderr, "%s: queue %d notify out of range\r\n",
name, (int)value);
@@ -958,13 +958,13 @@ bad:
"%s: qnotify queue %d: missing vq/vops notify\r\n",
name, (int)value);
break;
case VIRTIO_CR_STATUS:
case VIRTIO_PCI_STATUS:
base->status = value;
if (vops->set_status)
(*vops->set_status)(DEV_STRUCT(base), value);
if (value == 0)
(*vops->reset)(DEV_STRUCT(base));
if ((value & VIRTIO_CR_STATUS_DRIVER_OK) &&
if ((value & VIRTIO_CONFIG_S_DRIVER_OK) &&
base->backend_type == BACKEND_VBSU &&
virtio_poll_enabled) {
base->polling_timer.clockid = CLOCK_MONOTONIC;
@@ -976,10 +976,10 @@ bad:
virtio_start_timer(&base->polling_timer, 5, 0);
}
break;
case VIRTIO_CR_CFGVEC:
case VIRTIO_MSI_CONFIG_VECTOR:
base->msix_cfg_idx = value;
break;
case VIRTIO_CR_QVEC:
case VIRTIO_MSI_QUEUE_VECTOR:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
@@ -1154,7 +1154,7 @@ virtio_set_modern_bar(struct virtio_base *base, bool use_notify_pio)
vops = base->vops;
if (!vops || (base->device_caps & ACRN_VIRTIO_F_VERSION_1) == 0)
if (!vops || (base->device_caps & (1UL << VIRTIO_F_VERSION_1)) == 0)
return -1;
if (use_notify_pio)
@@ -1181,12 +1181,12 @@ virtio_set_modern_bar(struct virtio_base *base, bool use_notify_pio)
void
virtio_dev_error(struct virtio_base *base)
{
if (base->negotiated_caps & ACRN_VIRTIO_F_VERSION_1) {
if (base->negotiated_caps & (1UL << VIRTIO_F_VERSION_1)) {
/* see 2.1.2. if DRIVER_OK is set, need to send
* a device configuration change notification to the driver
*/
base->status |= VIRTIO_CR_STATUS_NEEDS_RESET;
if (base->status & VIRTIO_CR_STATUS_DRIVER_OK)
base->status |= VIRTIO_CONFIG_S_NEEDS_RESET;
if (base->status & VIRTIO_CONFIG_S_DRIVER_OK)
virtio_config_changed(base);
}
}
@@ -1251,10 +1251,10 @@ virtio_common_cfg_read(struct pci_vdev *dev, uint64_t offset, int size)
}
switch (offset) {
case VIRTIO_COMMON_DFSELECT:
case VIRTIO_PCI_COMMON_DFSELECT:
value = base->device_feature_select;
break;
case VIRTIO_COMMON_DF:
case VIRTIO_PCI_COMMON_DF:
if (base->device_feature_select == 0)
value = base->device_caps & 0xffffffff;
else if (base->device_feature_select == 1)
@@ -1262,10 +1262,10 @@ virtio_common_cfg_read(struct pci_vdev *dev, uint64_t offset, int size)
else /* present 0, see 4.1.4.3.1 */
value = 0;
break;
case VIRTIO_COMMON_GFSELECT:
case VIRTIO_PCI_COMMON_GFSELECT:
value = base->driver_feature_select;
break;
case VIRTIO_COMMON_GF:
case VIRTIO_PCI_COMMON_GF:
/* see 4.1.4.3.1. Present any valid feature bits the driver
* has written in driver_feature. Valid feature bits are those
* which are subset of the corresponding device_feature bits
@@ -1277,58 +1277,58 @@ virtio_common_cfg_read(struct pci_vdev *dev, uint64_t offset, int size)
else
value = 0;
break;
case VIRTIO_COMMON_MSIX:
case VIRTIO_PCI_COMMON_MSIX:
value = base->msix_cfg_idx;
break;
case VIRTIO_COMMON_NUMQ:
case VIRTIO_PCI_COMMON_NUMQ:
value = vops->nvq;
break;
case VIRTIO_COMMON_STATUS:
case VIRTIO_PCI_COMMON_STATUS:
value = base->status;
break;
case VIRTIO_COMMON_CFGGENERATION:
case VIRTIO_PCI_COMMON_CFGGENERATION:
value = base->config_generation;
break;
case VIRTIO_COMMON_Q_SELECT:
case VIRTIO_PCI_COMMON_Q_SELECT:
value = base->curq;
break;
case VIRTIO_COMMON_Q_SIZE:
case VIRTIO_PCI_COMMON_Q_SIZE:
value = base->curq < vops->nvq ?
base->queues[base->curq].qsize : 0;
break;
case VIRTIO_COMMON_Q_MSIX:
case VIRTIO_PCI_COMMON_Q_MSIX:
value = base->curq < vops->nvq ?
base->queues[base->curq].msix_idx :
VIRTIO_MSI_NO_VECTOR;
break;
case VIRTIO_COMMON_Q_ENABLE:
case VIRTIO_PCI_COMMON_Q_ENABLE:
value = base->curq < vops->nvq ?
base->queues[base->curq].enabled : 0;
break;
case VIRTIO_COMMON_Q_NOFF:
case VIRTIO_PCI_COMMON_Q_NOFF:
value = base->curq;
break;
case VIRTIO_COMMON_Q_DESCLO:
case VIRTIO_PCI_COMMON_Q_DESCLO:
value = base->curq < vops->nvq ?
base->queues[base->curq].gpa_desc[0] : 0;
break;
case VIRTIO_COMMON_Q_DESCHI:
case VIRTIO_PCI_COMMON_Q_DESCHI:
value = base->curq < vops->nvq ?
base->queues[base->curq].gpa_desc[1] : 0;
break;
case VIRTIO_COMMON_Q_AVAILLO:
case VIRTIO_PCI_COMMON_Q_AVAILLO:
value = base->curq < vops->nvq ?
base->queues[base->curq].gpa_avail[0] : 0;
break;
case VIRTIO_COMMON_Q_AVAILHI:
case VIRTIO_PCI_COMMON_Q_AVAILHI:
value = base->curq < vops->nvq ?
base->queues[base->curq].gpa_avail[1] : 0;
break;
case VIRTIO_COMMON_Q_USEDLO:
case VIRTIO_PCI_COMMON_Q_USEDLO:
value = base->curq < vops->nvq ?
base->queues[base->curq].gpa_used[0] : 0;
break;
case VIRTIO_COMMON_Q_USEDHI:
case VIRTIO_PCI_COMMON_Q_USEDHI:
value = base->curq < vops->nvq ?
base->queues[base->curq].gpa_used[1] : 0;
break;
@@ -1372,14 +1372,14 @@ virtio_common_cfg_write(struct pci_vdev *dev, uint64_t offset, int size,
}
switch (offset) {
case VIRTIO_COMMON_DFSELECT:
case VIRTIO_PCI_COMMON_DFSELECT:
base->device_feature_select = value;
break;
case VIRTIO_COMMON_GFSELECT:
case VIRTIO_PCI_COMMON_GFSELECT:
base->driver_feature_select = value;
break;
case VIRTIO_COMMON_GF:
if (base->status & VIRTIO_CR_STATUS_DRIVER_OK)
case VIRTIO_PCI_COMMON_GF:
if (base->status & VIRTIO_CONFIG_S_DRIVER_OK)
break;
if (base->driver_feature_select < 2) {
value &= 0xffffffff;
@@ -1391,10 +1391,10 @@ virtio_common_cfg_write(struct pci_vdev *dev, uint64_t offset, int size,
base->negotiated_caps);
}
break;
case VIRTIO_COMMON_MSIX:
case VIRTIO_PCI_COMMON_MSIX:
base->msix_cfg_idx = value;
break;
case VIRTIO_COMMON_STATUS:
case VIRTIO_PCI_COMMON_STATUS:
base->status = value & 0xff;
if (vops->set_status)
(*vops->set_status)(DEV_STRUCT(base), value);
@@ -1402,7 +1402,7 @@ virtio_common_cfg_write(struct pci_vdev *dev, uint64_t offset, int size,
(*vops->reset)(DEV_STRUCT(base));
/* TODO: virtio poll mode for modern devices */
break;
case VIRTIO_COMMON_Q_SELECT:
case VIRTIO_PCI_COMMON_Q_SELECT:
/*
* Note that the guest is allowed to select an
* invalid queue; we just need to return a QNUM
@@ -1410,54 +1410,54 @@ virtio_common_cfg_write(struct pci_vdev *dev, uint64_t offset, int size,
*/
base->curq = value;
break;
case VIRTIO_COMMON_Q_SIZE:
case VIRTIO_PCI_COMMON_Q_SIZE:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->qsize = value;
break;
case VIRTIO_COMMON_Q_MSIX:
case VIRTIO_PCI_COMMON_Q_MSIX:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->msix_idx = value;
break;
case VIRTIO_COMMON_Q_ENABLE:
case VIRTIO_PCI_COMMON_Q_ENABLE:
if (base->curq >= vops->nvq)
goto bad_qindex;
virtio_vq_enable(base);
break;
case VIRTIO_COMMON_Q_DESCLO:
case VIRTIO_PCI_COMMON_Q_DESCLO:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->gpa_desc[0] = value;
break;
case VIRTIO_COMMON_Q_DESCHI:
case VIRTIO_PCI_COMMON_Q_DESCHI:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->gpa_desc[1] = value;
break;
case VIRTIO_COMMON_Q_AVAILLO:
case VIRTIO_PCI_COMMON_Q_AVAILLO:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->gpa_avail[0] = value;
break;
case VIRTIO_COMMON_Q_AVAILHI:
case VIRTIO_PCI_COMMON_Q_AVAILHI:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->gpa_avail[1] = value;
break;
case VIRTIO_COMMON_Q_USEDLO:
case VIRTIO_PCI_COMMON_Q_USEDLO:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
vq->gpa_used[0] = value;
break;
case VIRTIO_COMMON_Q_USEDHI:
case VIRTIO_PCI_COMMON_Q_USEDHI:
if (base->curq >= vops->nvq)
goto bad_qindex;
vq = &base->queues[base->curq];
@@ -1999,4 +1999,4 @@ acrn_parse_virtio_poll_interval(const char *optarg)
virtio_poll_enabled = 1;
return 0;
}
}