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Subject: [PATCH v1 06/37] vhost-pci-slave: set up the fundamental handlers for the server socket
Signed-off-by: Wei Wang <wei.w.wang@intel.com> --- hw/virtio/vhost-pci-slave.c | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/hw/virtio/vhost-pci-slave.c b/hw/virtio/vhost-pci-slave.c index 5ff9a09..2278f63 100644 --- a/hw/virtio/vhost-pci-slave.c +++ b/hw/virtio/vhost-pci-slave.c @@ -15,9 +15,59 @@ #include "qapi/error.h" #include "qemu/error-report.h" #include "hw/virtio/vhost-pci-slave.h" +#include "hw/virtio/vhost-user.h" VhostPCISlave *vp_slave; +static void vp_slave_event(void *opaque, int event) +{ + switch (event) { + case CHR_EVENT_OPENED: + break; + case CHR_EVENT_CLOSED: + break; + } +} + +static int vp_slave_can_read(void *opaque) +{ + return VHOST_USER_HDR_SIZE; +} + +static void vp_slave_read(void *opaque, const uint8_t *buf, int size) +{ + VhostUserMsg msg; + uint8_t *p = (uint8_t *) &msg; + CharBackend *chr_be = (CharBackend *)opaque; + + if (size != VHOST_USER_HDR_SIZE) { + error_report("Wrong message size received %d", size); + return; + } + + memcpy(p, buf, VHOST_USER_HDR_SIZE); + + if (msg.size) { + p += VHOST_USER_HDR_SIZE; + size = qemu_chr_fe_read_all(chr_be, p, msg.size); + if (size != msg.size) { + error_report("Wrong message size received %d != %d", + size, msg.size); + return; + } + } + + if (msg.request > VHOST_USER_MAX) + error_report("vhost-pci-slave read incorrect msg"); + + switch(msg.request) { + default: + error_report("vhost-pci-slave does not support msg request = %d", + msg.request); + break; + } +} + static CharDriverState *vp_slave_parse_chardev(const char *id) { CharDriverState *chr = qemu_chr_find(id); @@ -40,6 +90,9 @@ int vhost_pci_slave_init(QemuOpts *opts) return -1; } qemu_chr_fe_init(&vp_slave->chr_be, chr, &error_abort); + qemu_chr_fe_set_handlers(&vp_slave->chr_be, vp_slave_can_read, + vp_slave_read, vp_slave_event, + &vp_slave->chr_be, NULL, true); return 0; } -- 2.7.4
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