kdbus: update kdbus.h from upstream
This commit is contained in:
Kay Sievers
parent
184d2ed770
commit
febfd50829
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@ -41,6 +41,9 @@
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(uint8_t *)(item) < (uint8_t *)(head) + (head)->size; \
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item = KDBUS_ITEM_NEXT(item))
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#define KDBUS_ITEM_HEADER_SIZE offsetof(struct kdbus_item, data)
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#define KDBUS_ITEM_SIZE(s) ALIGN8((s) + KDBUS_ITEM_HEADER_SIZE)
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static int parse_unique_name(const char *s, uint64_t *id) {
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int r;
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@ -57,61 +60,61 @@ static int parse_unique_name(const char *s, uint64_t *id) {
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return 1;
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}
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static void append_payload_vec(struct kdbus_msg_item **d, const void *p, size_t sz) {
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static void append_payload_vec(struct kdbus_item **d, const void *p, size_t sz) {
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assert(d);
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assert(p);
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assert(sz > 0);
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*d = ALIGN8_PTR(*d);
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(*d)->size = offsetof(struct kdbus_msg_item, vec) + sizeof(struct kdbus_vec);
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(*d)->size = offsetof(struct kdbus_item, vec) + sizeof(struct kdbus_vec);
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(*d)->type = KDBUS_MSG_PAYLOAD_VEC;
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(*d)->vec.address = (intptr_t) p;
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(*d)->vec.size = sz;
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*d = (struct kdbus_msg_item *) ((uint8_t*) *d + (*d)->size);
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*d = (struct kdbus_item *) ((uint8_t*) *d + (*d)->size);
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}
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static void append_destination(struct kdbus_msg_item **d, const char *s, size_t length) {
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static void append_destination(struct kdbus_item **d, const char *s, size_t length) {
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assert(d);
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assert(s);
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*d = ALIGN8_PTR(*d);
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(*d)->size = offsetof(struct kdbus_msg_item, str) + length + 1;
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(*d)->size = offsetof(struct kdbus_item, str) + length + 1;
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(*d)->type = KDBUS_MSG_DST_NAME;
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memcpy((*d)->str, s, length + 1);
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*d = (struct kdbus_msg_item *) ((uint8_t*) *d + (*d)->size);
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*d = (struct kdbus_item *) ((uint8_t*) *d + (*d)->size);
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}
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static void* append_bloom(struct kdbus_msg_item **d, size_t length) {
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static void* append_bloom(struct kdbus_item **d, size_t length) {
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void *r;
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assert(d);
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*d = ALIGN8_PTR(*d);
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(*d)->size = offsetof(struct kdbus_msg_item, data) + length;
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(*d)->size = offsetof(struct kdbus_item, data) + length;
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(*d)->type = KDBUS_MSG_BLOOM;
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r = (*d)->data;
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*d = (struct kdbus_msg_item *) ((uint8_t*) *d + (*d)->size);
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*d = (struct kdbus_item *) ((uint8_t*) *d + (*d)->size);
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return r;
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}
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static void append_fds(struct kdbus_msg_item **d, const int fds[], unsigned n_fds) {
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static void append_fds(struct kdbus_item **d, const int fds[], unsigned n_fds) {
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assert(d);
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assert(fds);
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assert(n_fds > 0);
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*d = ALIGN8_PTR(*d);
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(*d)->size = offsetof(struct kdbus_msg_item, fds) + sizeof(int) * n_fds;
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(*d)->size = offsetof(struct kdbus_item, fds) + sizeof(int) * n_fds;
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(*d)->type = KDBUS_MSG_UNIX_FDS;
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memcpy((*d)->fds, fds, sizeof(int) * n_fds);
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*d = (struct kdbus_msg_item *) ((uint8_t*) *d + (*d)->size);
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*d = (struct kdbus_item *) ((uint8_t*) *d + (*d)->size);
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}
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static int bus_message_setup_bloom(sd_bus_message *m, void *bloom) {
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@ -178,7 +181,7 @@ static int bus_message_setup_bloom(sd_bus_message *m, void *bloom) {
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}
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static int bus_message_setup_kmsg(sd_bus *b, sd_bus_message *m) {
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struct kdbus_msg_item *d;
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struct kdbus_item *d;
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bool well_known;
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uint64_t unique;
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size_t sz, dl;
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@ -203,20 +206,20 @@ static int bus_message_setup_kmsg(sd_bus *b, sd_bus_message *m) {
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sz = offsetof(struct kdbus_msg, items);
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/* Add in fixed header, fields header and payload */
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sz += 3 * ALIGN8(offsetof(struct kdbus_msg_item, vec) + sizeof(struct kdbus_vec));
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sz += 3 * ALIGN8(offsetof(struct kdbus_item, vec) + sizeof(struct kdbus_vec));
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/* Add space for bloom filter */
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sz += ALIGN8(offsetof(struct kdbus_msg_item, data) + BLOOM_SIZE);
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sz += ALIGN8(offsetof(struct kdbus_item, data) + BLOOM_SIZE);
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/* Add in well-known destination header */
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if (well_known) {
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dl = strlen(m->destination);
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sz += ALIGN8(offsetof(struct kdbus_msg_item, str) + dl + 1);
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sz += ALIGN8(offsetof(struct kdbus_item, str) + dl + 1);
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}
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/* Add space for unix fds */
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if (m->n_fds > 0)
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sz += ALIGN8(offsetof(struct kdbus_msg_item, fds) + sizeof(int)*m->n_fds);
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sz += ALIGN8(offsetof(struct kdbus_item, fds) + sizeof(int)*m->n_fds);
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m->kdbus = memalign(8, sz);
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if (!m->kdbus)
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@ -354,20 +357,20 @@ int bus_kernel_write_message(sd_bus *bus, sd_bus_message *m) {
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}
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static void close_kdbus_msg(struct kdbus_msg *k) {
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struct kdbus_msg_item *d;
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struct kdbus_item *d;
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KDBUS_ITEM_FOREACH(d, k) {
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if (d->type != KDBUS_MSG_UNIX_FDS)
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continue;
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close_many(d->fds, (d->size - offsetof(struct kdbus_msg_item, fds)) / sizeof(int));
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close_many(d->fds, (d->size - offsetof(struct kdbus_item, fds)) / sizeof(int));
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}
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}
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static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k, sd_bus_message **ret) {
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sd_bus_message *m = NULL;
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struct kdbus_msg_item *d;
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struct kdbus_item *d;
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unsigned n_payload = 0, n_fds = 0;
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_cleanup_free_ int *fds = NULL;
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struct bus_header *h = NULL;
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@ -385,7 +388,7 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k, sd_bus_mess
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KDBUS_ITEM_FOREACH(d, k) {
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size_t l;
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l = d->size - offsetof(struct kdbus_msg_item, data);
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l = d->size - offsetof(struct kdbus_item, data);
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if (d->type == KDBUS_MSG_PAYLOAD) {
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@ -435,7 +438,7 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k, sd_bus_mess
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KDBUS_ITEM_FOREACH(d, k) {
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size_t l;
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l = d->size - offsetof(struct kdbus_msg_item, data);
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l = d->size - offsetof(struct kdbus_item, data);
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if (d->type == KDBUS_MSG_PAYLOAD) {
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@ -565,7 +568,7 @@ int bus_kernel_read_message(sd_bus *bus, sd_bus_message **m) {
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int bus_kernel_create(const char *name, char **s) {
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struct kdbus_cmd_bus_make *make;
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struct kdbus_cmd_make_item *n, *cg;
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struct kdbus_item *n, *cg;
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size_t l;
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int fd;
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char *p;
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@ -579,18 +582,18 @@ int bus_kernel_create(const char *name, char **s) {
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l = strlen(name);
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make = alloca0(offsetof(struct kdbus_cmd_bus_make, items) +
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sizeof(struct kdbus_cmd_make_item) + sizeof(uint64_t) +
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sizeof(struct kdbus_cmd_make_item) + DECIMAL_STR_MAX(uid_t) + 1 + l + 1);
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KDBUS_ITEM_HEADER_SIZE + sizeof(uint64_t) +
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KDBUS_ITEM_HEADER_SIZE + DECIMAL_STR_MAX(uid_t) + 1 + l + 1);
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cg = make->items;
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cg->type = KDBUS_MAKE_CGROUP;
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cg->data64[0] = 1;
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cg->size = sizeof(struct kdbus_cmd_make_item) + sizeof(uint64_t);
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cg->size = KDBUS_ITEM_HEADER_SIZE + sizeof(uint64_t);
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n = KDBUS_ITEM_NEXT(cg);
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n->type = KDBUS_MAKE_NAME;
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sprintf(n->str, "%lu-%s", (unsigned long) getuid(), name);
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n->size = sizeof(struct kdbus_cmd_make_item) + strlen(n->str) + 1;
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n->size = KDBUS_ITEM_HEADER_SIZE + strlen(n->str) + 1;
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make->size = offsetof(struct kdbus_cmd_bus_make, items) + cg->size + n->size;
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make->flags = KDBUS_MAKE_ACCESS_WORLD | KDBUS_MAKE_POLICY_OPEN;
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@ -110,12 +110,12 @@ struct kdbus_vec {
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};
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/**
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* struct kdbus_msg_item - chain of data blocks
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* struct kdbus_item - chain of data blocks
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*
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* size: overall data record size
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* type: kdbus_msg_item type of data
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* type: kdbus_item type of data
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*/
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struct kdbus_msg_item {
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struct kdbus_item {
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__u64 size;
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__u64 type;
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union {
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@ -125,14 +125,19 @@ struct kdbus_msg_item {
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__u64 data64[0];
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char str[0];
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/* connection */
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__u64 id;
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/* data vector */
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struct kdbus_vec vec;
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/* specific fields */
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int fds[0]; /* int array of file descriptors */
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/* process credentials and properties*/
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struct kdbus_creds creds;
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struct kdbus_audit audit;
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struct kdbus_timestamp timestamp;
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/* specific fields */
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int fds[0];
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struct kdbus_manager_msg_name_change name_change;
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struct kdbus_manager_msg_id_change id_change;
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};
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@ -171,7 +176,7 @@ struct kdbus_msg {
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__u64 cookie_reply; /* cookie we reply to */
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__u64 timeout_ns; /* timespan to wait for reply */
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};
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struct kdbus_msg_item items[0];
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struct kdbus_item items[0];
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};
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enum {
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@ -233,16 +238,6 @@ enum {
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KDBUS_HELLO_NULL,
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};
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struct kdbus_cmd_hello_item {
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__u64 size;
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__u64 type;
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union {
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__u8 data[0];
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__u64 data64[0];
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char str[0];
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};
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};
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struct kdbus_cmd_hello {
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__u64 size;
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@ -263,7 +258,7 @@ struct kdbus_cmd_hello {
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__u64 id; /* id assigned to this connection */
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__u64 bloom_size; /* The bloom filter size chosen by the
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* bus owner */
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struct kdbus_cmd_hello_item items[0];
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struct kdbus_item items[0];
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};
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/* Flags for kdbus_cmd_{bus,ep,ns}_make */
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@ -286,16 +281,6 @@ enum {
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* privileges */
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};
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struct kdbus_cmd_make_item {
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__u64 size;
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__u64 type;
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union {
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__u8 data[0];
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__u64 data64[0];
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char str[0];
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};
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};
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struct kdbus_cmd_bus_make {
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__u64 size;
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__u64 flags; /* userspace → kernel, kernel → userspace
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@ -307,7 +292,7 @@ struct kdbus_cmd_bus_make {
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* structure and returned from
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* KDBUS_CMD_HELLO, later */
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__u64 bloom_size; /* size of the bloom filter for this bus */
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struct kdbus_cmd_make_item items[0];
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struct kdbus_item items[0];
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};
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@ -319,7 +304,7 @@ struct kdbus_cmd_ep_make {
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* same way as for
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* KDBUS_CMD_BUS_MAKE. Unused for
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* now. */
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struct kdbus_cmd_make_item items[0];
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struct kdbus_item items[0];
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};
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struct kdbus_cmd_ns_make {
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@ -330,7 +315,7 @@ struct kdbus_cmd_ns_make {
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* same way as for
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* KDBUS_CMD_BUS_MAKE. Unused for
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* now. */
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struct kdbus_cmd_make_item items[0];
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struct kdbus_item items[0];
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};
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enum {
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@ -363,18 +348,12 @@ enum {
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KDBUS_NAME_INFO_ITEM_AUDIT, /* kernel → userspace */
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};
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struct kdbus_cmd_name_info_item {
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__u64 size;
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__u64 type;
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__u8 data[0];
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};
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struct kdbus_cmd_name_info {
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__u64 size; /* overall size of info */
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__u64 flags;
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__u64 id; /* either ID, or 0 and _ITEM_NAME follows */
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struct kdbus_creds creds;
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struct kdbus_cmd_name_info_item items[0]; /* list of item records */
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struct kdbus_item items[0]; /* list of item records */
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};
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enum {
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@ -388,22 +367,12 @@ enum {
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KDBUS_MATCH_ID_REMOVE, /* Matches an ID against KDBUS_MSG_ID_REMOVE */
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};
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struct kdbus_cmd_match_item {
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__u64 size;
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__u64 type;
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union {
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__u64 id;
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__u8 data[0];
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char str[0];
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};
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};
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struct kdbus_cmd_match {
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__u64 size;
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__u64 id; /* We allow registration/deregestration of matches for other peers */
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__u64 cookie; /* userspace supplied cookie; when removing; kernel deletes everything with same cookie */
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__u64 src_id; /* ~0: any. other: exact unique match */
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struct kdbus_cmd_match_item items[0];
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struct kdbus_item items[0];
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};
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struct kdbus_cmd_monitor {
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