Displaying 20 results from an estimated 24 matches for "get_summary_indicator".
2019 May 08
2
[PATCH 10/10] virtio/s390: make airq summary indicators DMA
...ct airq_info {
> rwlock_t lock;
> - u8 summary_indicator;
> + u8 summary_indicator_idx;
> struct airq_struct airq;
> struct airq_iv *aiv;
> };
> static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
> +static u8 *summary_indicators;
> +
> +static inline u8 *get_summary_indicator(struct airq_info *info)
> +{
> + return summary_indicators + info->summary_indicator_idx;
> +}
>
> #define CCW_CMD_SET_VQ 0x13
> #define CCW_CMD_VDEV_RESET 0x33
> @@ -225,7 +231,7 @@ static void virtio_airq_handler(struct airq_struct *airq)
> break;
> v...
2019 May 08
2
[PATCH 10/10] virtio/s390: make airq summary indicators DMA
...ct airq_info {
> rwlock_t lock;
> - u8 summary_indicator;
> + u8 summary_indicator_idx;
> struct airq_struct airq;
> struct airq_iv *aiv;
> };
> static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
> +static u8 *summary_indicators;
> +
> +static inline u8 *get_summary_indicator(struct airq_info *info)
> +{
> + return summary_indicators + info->summary_indicator_idx;
> +}
>
> #define CCW_CMD_SET_VQ 0x13
> #define CCW_CMD_VDEV_RESET 0x33
> @@ -225,7 +231,7 @@ static void virtio_airq_handler(struct airq_struct *airq)
> break;
> v...
2019 Apr 26
0
[PATCH 10/10] virtio/s390: make airq summary indicators DMA
...+140,17 @@ static int virtio_ccw_use_airq = 1;
struct airq_info {
rwlock_t lock;
- u8 summary_indicator;
+ u8 summary_indicator_idx;
struct airq_struct airq;
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+static u8 *summary_indicators;
+
+static inline u8 *get_summary_indicator(struct airq_info *info)
+{
+ return summary_indicators + info->summary_indicator_idx;
+}
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
@@ -225,7 +231,7 @@ static void virtio_airq_handler(struct airq_struct *airq)
break;
vring_interrupt(0, (void *)airq_iv_get_ptr(info->...
2019 May 23
0
[PATCH v2 8/8] virtio/s390: make airq summary indicators DMA
...+140,17 @@ static int virtio_ccw_use_airq = 1;
struct airq_info {
rwlock_t lock;
- u8 summary_indicator;
+ u8 summary_indicator_idx;
struct airq_struct airq;
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+static u8 *summary_indicators;
+
+static inline u8 *get_summary_indicator(struct airq_info *info)
+{
+ return summary_indicators + info->summary_indicator_idx;
+}
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
@@ -225,7 +231,7 @@ static void virtio_airq_handler(struct airq_struct *airq, bool floating)
break;
vring_interrupt(0, (void *)airq_iv_g...
2019 May 29
0
[PATCH v3 8/8] virtio/s390: make airq summary indicators DMA
...+140,17 @@ static int virtio_ccw_use_airq = 1;
struct airq_info {
rwlock_t lock;
- u8 summary_indicator;
+ u8 summary_indicator_idx;
struct airq_struct airq;
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+static u8 *summary_indicators;
+
+static inline u8 *get_summary_indicator(struct airq_info *info)
+{
+ return summary_indicators + info->summary_indicator_idx;
+}
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
@@ -225,7 +231,7 @@ static void virtio_airq_handler(struct airq_struct *airq, bool floating)
break;
vring_interrupt(0, (void *)airq_iv_g...
2019 Jun 06
0
[PATCH v4 8/8] virtio/s390: make airq summary indicators DMA
...+140,17 @@ static int virtio_ccw_use_airq = 1;
struct airq_info {
rwlock_t lock;
- u8 summary_indicator;
+ u8 summary_indicator_idx;
struct airq_struct airq;
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+static u8 *summary_indicators;
+
+static inline u8 *get_summary_indicator(struct airq_info *info)
+{
+ return summary_indicators + info->summary_indicator_idx;
+}
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
@@ -209,7 +215,7 @@ static void virtio_airq_handler(struct airq_struct *airq, bool floating)
break;
vring_interrupt(0, (void *)airq_iv_g...
2019 Jun 12
0
[PATCH v5 8/8] virtio/s390: make airq summary indicators DMA
...+140,17 @@ static int virtio_ccw_use_airq = 1;
struct airq_info {
rwlock_t lock;
- u8 summary_indicator;
+ u8 summary_indicator_idx;
struct airq_struct airq;
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+static u8 *summary_indicators;
+
+static inline u8 *get_summary_indicator(struct airq_info *info)
+{
+ return summary_indicators + info->summary_indicator_idx;
+}
#define CCW_CMD_SET_VQ 0x13
#define CCW_CMD_VDEV_RESET 0x33
@@ -209,7 +215,7 @@ static void virtio_airq_handler(struct airq_struct *airq, bool floating)
break;
vring_interrupt(0, (void *)airq_iv_g...
2019 May 15
0
[PATCH 10/10] virtio/s390: make airq summary indicators DMA
...??? u8 summary_indicator;
>> +??? u8 summary_indicator_idx;
>> ????? struct airq_struct airq;
>> ????? struct airq_iv *aiv;
>> ? };
>> ? static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
>> +static u8 *summary_indicators;
>> +
>> +static inline u8 *get_summary_indicator(struct airq_info *info)
>> +{
>> +??? return summary_indicators + info->summary_indicator_idx;
>> +}
>> ? #define CCW_CMD_SET_VQ 0x13
>> ? #define CCW_CMD_VDEV_RESET 0x33
>> @@ -225,7 +231,7 @@ static void virtio_airq_handler(struct airq_struct
>> *airq...
2019 Jul 23
3
[PATCH 1/1] virtio/s390: fix race on airq_areas
...2662755 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -145,6 +145,8 @@ struct airq_info {
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+DEFINE_MUTEX(airq_areas_lock);
+
static u8 *summary_indicators;
static inline u8 *get_summary_indicator(struct airq_info *info)
@@ -265,9 +267,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
unsigned long bit, flags;
for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
+ mutex_lock(&airq_areas_lock);
if (!airq_areas[i])
airq_areas[i]...
2019 Jul 23
3
[PATCH 1/1] virtio/s390: fix race on airq_areas
...2662755 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -145,6 +145,8 @@ struct airq_info {
struct airq_iv *aiv;
};
static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
+DEFINE_MUTEX(airq_areas_lock);
+
static u8 *summary_indicators;
static inline u8 *get_summary_indicator(struct airq_info *info)
@@ -265,9 +267,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
unsigned long bit, flags;
for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
+ mutex_lock(&airq_areas_lock);
if (!airq_areas[i])
airq_areas[i]...
2019 Jul 24
2
[PATCH 1/1] virtio/s390: fix race on airq_areas
....c
> > @@ -145,6 +145,8 @@ struct airq_info {
> > struct airq_iv *aiv;
> > };
> > static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
> > +DEFINE_MUTEX(airq_areas_lock);
> > +
> > static u8 *summary_indicators;
> >
> > static inline u8 *get_summary_indicator(struct airq_info *info)
> > @@ -265,9 +267,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
> > unsigned long bit, flags;
> >
> > for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
> > + mutex_lock(&airq_area...
2019 Jul 24
2
[PATCH 1/1] virtio/s390: fix race on airq_areas
....c
> > @@ -145,6 +145,8 @@ struct airq_info {
> > struct airq_iv *aiv;
> > };
> > static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
> > +DEFINE_MUTEX(airq_areas_lock);
> > +
> > static u8 *summary_indicators;
> >
> > static inline u8 *get_summary_indicator(struct airq_info *info)
> > @@ -265,9 +267,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
> > unsigned long bit, flags;
> >
> > for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
> > + mutex_lock(&airq_area...
2023 Mar 05
0
[PATCH AUTOSEL 6.2 05/16] s390/virtio: sort out physical vs virtual pointers usage
...nvqs,
+ &thinint_area->bit_nr,
+ &vcdev->airq_info);
+ if (!indicator_addr) {
ret = -ENOSPC;
goto out;
}
+ thinint_area->indicator = virt_to_phys((void *)indicator_addr);
info = vcdev->airq_info;
thinint_area->summary_indicator =
- (unsigned long) get_summary_indicator(info);
+ virt_to_phys(get_summary_indicator(info));
thinint_area->isc = VIRTIO_AIRQ_ISC;
ccw->cmd_code = CCW_CMD_SET_IND_ADAPTER;
ccw->flags = CCW_FLAG_SLI;
ccw->count = sizeof(*thinint_area);
- ccw->cda = (__u32)(unsigned long)thinint_area;
+ ccw->cda = (__u32)virt_to_ph...
2023 Mar 05
0
[PATCH AUTOSEL 6.1 05/15] s390/virtio: sort out physical vs virtual pointers usage
...nvqs,
+ &thinint_area->bit_nr,
+ &vcdev->airq_info);
+ if (!indicator_addr) {
ret = -ENOSPC;
goto out;
}
+ thinint_area->indicator = virt_to_phys((void *)indicator_addr);
info = vcdev->airq_info;
thinint_area->summary_indicator =
- (unsigned long) get_summary_indicator(info);
+ virt_to_phys(get_summary_indicator(info));
thinint_area->isc = VIRTIO_AIRQ_ISC;
ccw->cmd_code = CCW_CMD_SET_IND_ADAPTER;
ccw->flags = CCW_FLAG_SLI;
ccw->count = sizeof(*thinint_area);
- ccw->cda = (__u32)(unsigned long)thinint_area;
+ ccw->cda = (__u32)virt_to_ph...
2019 Jul 24
0
[PATCH 1/1] virtio/s390: fix race on airq_areas
...w.c
> +++ b/drivers/s390/virtio/virtio_ccw.c
> @@ -145,6 +145,8 @@ struct airq_info {
> struct airq_iv *aiv;
> };
> static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
> +DEFINE_MUTEX(airq_areas_lock);
> +
> static u8 *summary_indicators;
>
> static inline u8 *get_summary_indicator(struct airq_info *info)
> @@ -265,9 +267,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
> unsigned long bit, flags;
>
> for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
> + mutex_lock(&airq_areas_lock);
> if (!air...
2019 Jul 24
0
[PATCH 1/1] virtio/s390: fix race on airq_areas
...145,8 @@ struct airq_info {
>>> struct airq_iv *aiv;
>>> };
>>> static struct airq_info *airq_areas[MAX_AIRQ_AREAS];
>>> +DEFINE_MUTEX(airq_areas_lock);
>>> +
>>> static u8 *summary_indicators;
>>>
>>> static inline u8 *get_summary_indicator(struct airq_info *info)
>>> @@ -265,9 +267,11 @@ static unsigned long get_airq_indicator(struct virtqueue *vqs[], int nvqs,
>>> unsigned long bit, flags;
>>>
>>> for (i = 0; i < MAX_AIRQ_AREAS && !indicator_addr; i++) {
>>> + mutex_lock...
2019 Apr 26
33
[PATCH 00/10] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of
bounce buffers for I/O. While support for this was built into the virtio
core, virtio-ccw wasn't changed accordingly.
Some background on technology (not part of this series) and the
terminology used.
* Protected Virtualization (PV):
Protected Virtualization guarantees, that non-shared memory of a guest
that operates in PV
2019 Apr 26
33
[PATCH 00/10] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of
bounce buffers for I/O. While support for this was built into the virtio
core, virtio-ccw wasn't changed accordingly.
Some background on technology (not part of this series) and the
terminology used.
* Protected Virtualization (PV):
Protected Virtualization guarantees, that non-shared memory of a guest
that operates in PV
2019 Jun 12
21
[PATCH v5 0/8] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of
bounce buffers for I/O. While support for this was built into the virtio
core, virtio-ccw wasn't changed accordingly.
Some background on technology (not part of this series) and the
terminology used.
* Protected Virtualization (PV):
Protected Virtualization guarantees, that non-shared memory of a guest
that operates in PV
2019 Jun 12
21
[PATCH v5 0/8] s390: virtio: support protected virtualization
Enhanced virtualization protection technology may require the use of
bounce buffers for I/O. While support for this was built into the virtio
core, virtio-ccw wasn't changed accordingly.
Some background on technology (not part of this series) and the
terminology used.
* Protected Virtualization (PV):
Protected Virtualization guarantees, that non-shared memory of a guest
that operates in PV