| /Linux-v4.19/drivers/vhost/ |
| D | vringh.c | 32 static inline int __vringh_get_head(const struct vringh *vrh, in __vringh_get_head() argument
33 int (*getu16)(const struct vringh *vrh, in __vringh_get_head() argument
40 err = getu16(vrh, &avail_idx, &vrh->vring.avail->idx); in __vringh_get_head()
43 &vrh->vring.avail->idx); in __vringh_get_head()
48 return vrh->vring.num; in __vringh_get_head()
51 virtio_rmb(vrh->weak_barriers); in __vringh_get_head()
53 i = *last_avail_idx & (vrh->vring.num - 1); in __vringh_get_head()
55 err = getu16(vrh, &head, &vrh->vring.avail->ring[i]); in __vringh_get_head()
58 *last_avail_idx, &vrh->vring.avail->ring[i]); in __vringh_get_head()
62 if (head >= vrh->vring.num) { in __vringh_get_head()
[all …]
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| /Linux-v4.19/include/linux/ |
| D | vringh.h | 112 int vringh_init_user(struct vringh *vrh, u64 features,
144 int vringh_getdesc_user(struct vringh *vrh,
147 bool (*getrange)(struct vringh *vrh,
159 int vringh_complete_user(struct vringh *vrh, u16 head, u32 len);
160 int vringh_complete_multi_user(struct vringh *vrh,
165 void vringh_abandon_user(struct vringh *vrh, unsigned int num);
168 int vringh_need_notify_user(struct vringh *vrh);
170 bool vringh_notify_enable_user(struct vringh *vrh);
171 void vringh_notify_disable_user(struct vringh *vrh);
174 int vringh_init_kern(struct vringh *vrh, u64 features,
[all …]
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| /Linux-v4.19/drivers/misc/mic/vop/ |
| D | vop_debugfs.c | 144 struct vringh *vrh = &vvr->vrh; in vop_vdev_info_show() local
145 int num = vrh->vring.num; in vop_vdev_info_show()
149 desc = vrh->vring.desc; in vop_vdev_info_show()
155 i, vrh->weak_barriers); in vop_vdev_info_show()
157 vrh->last_avail_idx, vrh->last_used_idx); in vop_vdev_info_show()
158 seq_printf(s, " completed %d\n", vrh->completed); in vop_vdev_info_show()
166 avail = vrh->vring.avail; in vop_vdev_info_show()
168 vringh16_to_cpu(vrh, avail->flags), in vop_vdev_info_show()
169 vringh16_to_cpu(vrh, in vop_vdev_info_show()
172 vringh16_to_cpu(vrh, avail->flags), in vop_vdev_info_show()
[all …]
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| D | vop_vringh.c | 57 static void _vop_notify(struct vringh *vrh) in _vop_notify() argument
59 struct vop_vringh *vvrh = container_of(vrh, struct vop_vringh, vrh); in _vop_notify()
82 vdev->vvr[i].vrh.vring.used = in vop_virtio_init_post()
115 struct vringh *vrh = &vdev->vvr[i].vrh; in vop_virtio_device_reset() local
118 vrh->completed = 0; in vop_virtio_device_reset()
119 vrh->last_avail_idx = 0; in vop_virtio_device_reset()
120 vrh->last_used_idx = 0; in vop_virtio_device_reset()
337 ret = vringh_init_kern(&vvr->vrh, in vop_virtio_add_device()
350 vvr->vrh.notify = _vop_notify; in vop_virtio_add_device()
757 struct vringh *vrh = &vvr->vrh; in _vop_virtio_copy() local
[all …]
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| D | vop_main.h | 95 struct vringh vrh; member
|
| /Linux-v4.19/tools/virtio/ |
| D | vringh_test.c | 37 static bool getrange_iov(struct vringh *vrh, u64 addr, struct vringh_range *r) in getrange_iov() argument
51 static bool getrange_slow(struct vringh *vrh, u64 addr, struct vringh_range *r) in getrange_slow() argument
111 static inline int vringh_get_head(struct vringh *vrh, u16 *head) in vringh_get_head() argument
116 err = get_user(avail_idx, &vrh->vring.avail->idx); in vringh_get_head()
120 if (vrh->last_avail_idx == avail_idx) in vringh_get_head()
124 virtio_rmb(vrh->weak_barriers); in vringh_get_head()
126 i = vrh->last_avail_idx & (vrh->vring.num - 1); in vringh_get_head()
128 err = get_user(*head, &vrh->vring.avail->ring[i]); in vringh_get_head()
132 vrh->last_avail_idx++; in vringh_get_head()
137 bool (*getrange)(struct vringh *vrh, in parallel_test() argument
[all …]
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| /Linux-v4.19/drivers/staging/fbtft/ |
| D | fb_ili9325.c | 34 static unsigned int vrh = 0x0d; /* VREG1OUT=Vci*1.85 */ variable
35 module_param(vrh, uint, 0000);
36 MODULE_PARM_DESC(vrh, "Set the amplifying rate (1.6 ~ 1.9) of Vci applied to output the VREG1OUT");
93 vrh &= 0x0f; in init_display()
123 write_reg(par, 0x0012, vrh); /* Internal reference voltage= Vci; */ in init_display()
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| /Linux-v4.19/drivers/net/ethernet/intel/i40evf/ |
| D | i40evf_virtchnl.c | 782 struct virtchnl_rss_hena vrh; in i40evf_set_hena() local
790 vrh.hena = adapter->hena; in i40evf_set_hena()
794 (u8 *)&vrh, sizeof(vrh)); in i40evf_set_hena()
1375 struct virtchnl_rss_hena *vrh = (struct virtchnl_rss_hena *)msg; in i40evf_virtchnl_completion() local
1376 if (msglen == sizeof(*vrh)) in i40evf_virtchnl_completion()
1377 adapter->hena = vrh->hena; in i40evf_virtchnl_completion()
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| /Linux-v4.19/drivers/net/ethernet/intel/i40e/ |
| D | i40e_virtchnl_pf.c | 2871 struct virtchnl_rss_hena *vrh = NULL; in i40e_vc_get_rss_hena() local
2882 vrh = kzalloc(len, GFP_KERNEL); in i40e_vc_get_rss_hena()
2883 if (!vrh) { in i40e_vc_get_rss_hena()
2888 vrh->hena = i40e_pf_get_default_rss_hena(pf); in i40e_vc_get_rss_hena()
2892 aq_ret, (u8 *)vrh, len); in i40e_vc_get_rss_hena()
2893 kfree(vrh); in i40e_vc_get_rss_hena()
2907 struct virtchnl_rss_hena *vrh = in i40e_vc_set_rss_hena() local
2917 i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena); in i40e_vc_set_rss_hena()
2919 (u32)(vrh->hena >> 32)); in i40e_vc_set_rss_hena()
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