search for: virtio_pstore_type_dmesg

...ar *buf, size_t sz, > + struct virtio_pstore_req *req) > +{ > + const char *basename; > + unsigned long long id = 0; > + unsigned int flags = le32_to_cpu(req->flags); > + > + switch (le16_to_cpu(req->type)) { > + case VIRTIO_PSTORE_TYPE_DMESG: > + basename = "dmesg"; > + id = s->id++; > + break; > + case VIRTIO_PSTORE_TYPE_CONSOLE: > + basename = "console"; > + if (s->console_id) { > + id = s->console_id; > + } else { > +...

...ar *buf, size_t sz, > + struct virtio_pstore_req *req) > +{ > + const char *basename; > + unsigned long long id = 0; > + unsigned int flags = le32_to_cpu(req->flags); > + > + switch (le16_to_cpu(req->type)) { > + case VIRTIO_PSTORE_TYPE_DMESG: > + basename = "dmesg"; > + id = s->id++; > + break; > + case VIRTIO_PSTORE_TYPE_CONSOLE: > + basename = "console"; > + if (s->console_id) { > + id = s->console_id; > + } else { > +...

...req */ > > > + iov_discard_front(&out_sg, &out_num, sizeof(*req)); > > > + > > > + virtio_pstore_to_filename(s, path, sizeof(path), req); > > > + > > > + type = le16_to_cpu(req->type); > > > + > > > + if (type == VIRTIO_PSTORE_TYPE_DMESG) { > > > + flags |= O_TRUNC; > > > + } else if (type == VIRTIO_PSTORE_TYPE_CONSOLE) { > > > + flags |= O_APPEND; > > > + } > > > + > > > + fd = open(path, flags, 0644); > > > + if (fd < 0) { > > > +...

...req */ > > > + iov_discard_front(&out_sg, &out_num, sizeof(*req)); > > > + > > > + virtio_pstore_to_filename(s, path, sizeof(path), req); > > > + > > > + type = le16_to_cpu(req->type); > > > + > > > + if (type == VIRTIO_PSTORE_TYPE_DMESG) { > > > + flags |= O_TRUNC; > > > + } else if (type == VIRTIO_PSTORE_TYPE_CONSOLE) { > > > + flags |= O_APPEND; > > > + } > > > + > > > + fd = open(path, flags, 0644); > > > + if (fd < 0) { > > > +...

...struct virtio_pstore_req *req) > > +{ > > + const char *basename; > > + unsigned long long id = 0; > > + unsigned int flags = le32_to_cpu(req->flags); > > + > > + switch (le16_to_cpu(req->type)) { > > + case VIRTIO_PSTORE_TYPE_DMESG: > > + basename = "dmesg"; > > + id = s->id++; > > + break; > > + case VIRTIO_PSTORE_TYPE_CONSOLE: > > + basename = "console"; > > + if (s->console_id) { > > + id = s->console_id;...

...amp;out_num, sizeof(*req)); > > > > > + > > > > > + virtio_pstore_to_filename(s, path, sizeof(path), req); > > > > > + > > > > > + type = le16_to_cpu(req->type); > > > > > + > > > > > + if (type == VIRTIO_PSTORE_TYPE_DMESG) { > > > > > + flags |= O_TRUNC; > > > > > + } else if (type == VIRTIO_PSTORE_TYPE_CONSOLE) { > > > > > + flags |= O_APPEND; > > > > > + } > > > > > + > > > > > + fd = open(path, flags,...

...amp;out_num, sizeof(*req)); > > > > > + > > > > > + virtio_pstore_to_filename(s, path, sizeof(path), req); > > > > > + > > > > > + type = le16_to_cpu(req->type); > > > > > + > > > > > + if (type == VIRTIO_PSTORE_TYPE_DMESG) { > > > > > + flags |= O_TRUNC; > > > > > + } else if (type == VIRTIO_PSTORE_TYPE_CONSOLE) { > > > > > + flags |= O_APPEND; > > > > > + } > > > > > + > > > > > + fd = open(path, flags,...

...ar *buf, size_t sz, > + struct virtio_pstore_req *req) > +{ > + const char *basename; > + unsigned long long id = 0; > + unsigned int flags = le32_to_cpu(req->flags); > + > + switch (le16_to_cpu(req->type)) { > + case VIRTIO_PSTORE_TYPE_DMESG: > + basename = "dmesg"; > + id = s->id++; > + break; > + case VIRTIO_PSTORE_TYPE_CONSOLE: > + basename = "console"; > + if (s->console_id) { > + id = s->console_id; > + } else { > +...

...ar *buf, size_t sz, > + struct virtio_pstore_req *req) > +{ > + const char *basename; > + unsigned long long id = 0; > + unsigned int flags = le32_to_cpu(req->flags); > + > + switch (le16_to_cpu(req->type)) { > + case VIRTIO_PSTORE_TYPE_DMESG: > + basename = "dmesg"; > + id = s->id++; > + break; > + case VIRTIO_PSTORE_TYPE_CONSOLE: > + basename = "console"; > + if (s->console_id) { > + id = s->console_id; > + } else { > +...

...struct virtio_pstore_req *req) > > +{ > > + const char *basename; > > + unsigned long long id = 0; > > + unsigned int flags = le32_to_cpu(req->flags); > > + > > + switch (le16_to_cpu(req->type)) { > > + case VIRTIO_PSTORE_TYPE_DMESG: > > + basename = "dmesg"; > > + id = s->id++; > > + break; > > + case VIRTIO_PSTORE_TYPE_CONSOLE: > > + basename = "console"; > > + if (s->console_id) { > > + id = s->console_id;...

...struct virtio_pstore_fileinfo *info) > > > +{ > > > + snprintf(buf, sz, "%s/%s", s->directory, name); > > > + > > > + if (g_str_has_prefix(name, "dmesg-")) { > > > + info->type = VIRTIO_PSTORE_TYPE_DMESG; > > > + name += strlen("dmesg-"); > > > + } else if (g_str_has_prefix(name, "console-")) { > > > + info->type = VIRTIO_PSTORE_TYPE_CONSOLE; > > > + name += strlen("console-"); > > > + } else if...

...struct virtio_pstore_fileinfo *info) > > > +{ > > > + snprintf(buf, sz, "%s/%s", s->directory, name); > > > + > > > + if (g_str_has_prefix(name, "dmesg-")) { > > > + info->type = VIRTIO_PSTORE_TYPE_DMESG; > > > + name += strlen("dmesg-"); > > > + } else if (g_str_has_prefix(name, "console-")) { > > > + info->type = VIRTIO_PSTORE_TYPE_CONSOLE; > > > + name += strlen("console-"); > > > + } else if...

Hello, This patchset is a proof of concept of virtio-pstore idea [1]. It has some rough edges and I'm not familiar with this area, so please give me feedbacks and advices if I'm going to a wrong direction. It started from the fact that dumping ftrace buffer at kernel oops/panic takes too much time. Although there's a way to reduce the size of the original data, sometimes I want to

Hello, This patchset is a proof of concept of virtio-pstore idea [1]. It has some rough edges and I'm not familiar with this area, so please give me feedbacks and advices if I'm going to a wrong direction. It started from the fact that dumping ftrace buffer at kernel oops/panic takes too much time. Although there's a way to reduce the size of the original data, sometimes I want to

...o_pstore_to_filename(VirtIOPstore *s, char *buf, size_t sz, + struct virtio_pstore_req *req) +{ + const char *basename; + unsigned long long id = 0; + unsigned int flags = le32_to_cpu(req->flags); + + switch (le16_to_cpu(req->type)) { + case VIRTIO_PSTORE_TYPE_DMESG: + basename = "dmesg"; + id = s->id++; + break; + case VIRTIO_PSTORE_TYPE_CONSOLE: + basename = "console"; + if (s->console_id) { + id = s->console_id; + } else { + id = s->console_id = s->id++; +...

...+ wait_queue_head_t acked; > +}; > + > +static u16 to_virtio_type(struct virtio_pstore *vps, enum pstore_type_id type) > +{ > + u16 ret; > + > + switch (type) { > + case PSTORE_TYPE_DMESG: > + ret = cpu_to_virtio16(vps->vdev, VIRTIO_PSTORE_TYPE_DMESG); > + break; > + default: > + ret = cpu_to_virtio16(vps->vdev, VIRTIO_PSTORE_TYPE_UNKNOWN); > + break; > + } I would love to see this support PSTORE_TYPE_CONSOLE too. It should be relatively easy to add: I think it'd just...

...pe(struct virtio_pstore *vps, enum pstore_type_id type) > >> > +{ > >> > + u16 ret; > >> > + > >> > + switch (type) { > >> > + case PSTORE_TYPE_DMESG: > >> > + ret = cpu_to_virtio16(vps->vdev, VIRTIO_PSTORE_TYPE_DMESG); > >> > + break; > >> > + default: > >> > + ret = cpu_to_virtio16(vps->vdev, VIRTIO_PSTORE_TYPE_UNKNOWN); > >> > + break; > >> > + } > >> > >> I would love to see...

...pe(struct virtio_pstore *vps, enum pstore_type_id type) > >> > +{ > >> > + u16 ret; > >> > + > >> > + switch (type) { > >> > + case PSTORE_TYPE_DMESG: > >> > + ret = cpu_to_virtio16(vps->vdev, VIRTIO_PSTORE_TYPE_DMESG); > >> > + break; > >> > + default: > >> > + ret = cpu_to_virtio16(vps->vdev, VIRTIO_PSTORE_TYPE_UNKNOWN); > >> > + break; > >> > + } > >> > >> I would love to see...

Hello, This is v2 of the virtio-pstore work. In this patchset I addressed most of feedbacks from previous version. Limiting disk size is not implemented yet. * changes in v2) - update VIRTIO_ID_PSTORE to 22 (Cornelia, Stefan) - make buffer size configurable (Cornelia) - support PSTORE_TYPE_CONSOLE (Kees) - use separate virtqueues for read and write - support concurrent async

Hello, This is v2 of the virtio-pstore work. In this patchset I addressed most of feedbacks from previous version. Limiting disk size is not implemented yet. * changes in v2) - update VIRTIO_ID_PSTORE to 22 (Cornelia, Stefan) - make buffer size configurable (Cornelia) - support PSTORE_TYPE_CONSOLE (Kees) - use separate virtqueues for read and write - support concurrent async