search for: vmci_dg_siz

...() #1 dg_dispatch_as_host () at drivers/misc/vmw_vmci/vmci_datagram.c:245 #2 vmci_datagram_dispatch () at drivers/misc/vmw_vmci/vmci_datagram.c:347 #3 vmci_host_do_send_datagram () at drivers/misc/vmw_vmci/vmci_host.c:404 Here?s the relevant code snippet from dg_dispatch_as_host(): 171: dg_size = VMCI_DG_SIZE(dg); ... 235: dg_info = kmalloc(sizeof(*dg_info) + 236: (size_t) dg->payload_size, GFP_ATOMIC); 237: if (!dg_info) { 238: atomic_dec(&delayed_dg_host_queue_size); 239: vmci_resource_put(resource); 240: return VMCI_ERROR_NO_MEM; 241: } ... 245: mem...

...() #1 dg_dispatch_as_host () at drivers/misc/vmw_vmci/vmci_datagram.c:245 #2 vmci_datagram_dispatch () at drivers/misc/vmw_vmci/vmci_datagram.c:347 #3 vmci_host_do_send_datagram () at drivers/misc/vmw_vmci/vmci_host.c:404 Here?s the relevant code snippet from dg_dispatch_as_host(): 171: dg_size = VMCI_DG_SIZE(dg); ... 235: dg_info = kmalloc(sizeof(*dg_info) + 236: (size_t) dg->payload_size, GFP_ATOMIC); 237: if (!dg_info) { 238: atomic_dec(&delayed_dg_host_queue_size); 239: vmci_resource_put(resource); 240: return VMCI_ERROR_NO_MEM; 241: } ... 245: mem...

...nt on success, error code otherwise. + */ +static int dg_dispatch_as_host(u32 contextID, + struct vmci_datagram *dg) +{ + int retval; + size_t dgSize; + u32 srcPrivFlags; + + ASSERT(dg); + ASSERT(vmci_host_code_active()); + + dgSize = VMCI_DG_SIZE(dg); + + if (contextID == VMCI_HOST_CONTEXT_ID && + dg->dst.context == VMCI_HYPERVISOR_CONTEXT_ID) + return VMCI_ERROR_DST_UNREACHABLE; + + ASSERT(dg->dst.context != VMCI_HYPERVISOR_CONTEXT_ID); + + /* Check that source handle matches sending...

...nt on success, error code otherwise. + */ +static int dg_dispatch_as_host(u32 contextID, + struct vmci_datagram *dg) +{ + int retval; + size_t dgSize; + u32 srcPrivFlags; + + ASSERT(dg); + ASSERT(vmci_host_code_active()); + + dgSize = VMCI_DG_SIZE(dg); + + if (contextID == VMCI_HOST_CONTEXT_ID && + dg->dst.context == VMCI_HYPERVISOR_CONTEXT_ID) + return VMCI_ERROR_DST_UNREACHABLE; + + ASSERT(dg->dst.context != VMCI_HYPERVISOR_CONTEXT_ID); + + /* Check that source handle matches sending...

.../misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index 66fc992..a721b5d 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -395,6 +395,12 @@ static int vmci_host_do_send_datagram(struct vmci_host_dev *vmci_host_dev, return -EFAULT; } + if (VMCI_DG_SIZE(dg) != send_info.len) { + vmci_ioctl_err("datagram size mismatch\n"); + kfree(dg); + return -EINVAL; + } + pr_devel("Datagram dst (handle=0x%x:0x%x) src (handle=0x%x:0x%x), payload (size=%llu bytes)\n", dg->dst.context, dg->dst.resource, dg->src.context, d...

.../misc/vmw_vmci/vmci_host.c b/drivers/misc/vmw_vmci/vmci_host.c index 66fc992..a721b5d 100644 --- a/drivers/misc/vmw_vmci/vmci_host.c +++ b/drivers/misc/vmw_vmci/vmci_host.c @@ -395,6 +395,12 @@ static int vmci_host_do_send_datagram(struct vmci_host_dev *vmci_host_dev, return -EFAULT; } + if (VMCI_DG_SIZE(dg) != send_info.len) { + vmci_ioctl_err("datagram size mismatch\n"); + kfree(dg); + return -EINVAL; + } + pr_devel("Datagram dst (handle=0x%x:0x%x) src (handle=0x%x:0x%x), payload (size=%llu bytes)\n", dg->dst.context, dg->dst.resource, dg->src.context, d...

...appropriate target VM context. + */ +int vmci_ctx_enqueue_datagram(uint32_t cid, struct vmci_datagram *dg) +{ + struct vmci_datagram_queue_entry *dqEntry; + struct vmci_ctx *context; + struct vmci_handle dgSrc; + size_t vmciDgSize; + + ASSERT(dg); + vmciDgSize = VMCI_DG_SIZE(dg); + ASSERT(vmciDgSize <= VMCI_MAX_DG_SIZE); + + /* Get the target VM's VMCI context. */ + context = vmci_ctx_get(cid); + if (context == NULL) { + pr_devel("Invalid context (ID=0x%x).", cid); + return VMCI_ERROR_INVALID_ARGS; +...

...appropriate target VM context. + */ +int vmci_ctx_enqueue_datagram(uint32_t cid, struct vmci_datagram *dg) +{ + struct vmci_datagram_queue_entry *dqEntry; + struct vmci_ctx *context; + struct vmci_handle dgSrc; + size_t vmciDgSize; + + ASSERT(dg); + vmciDgSize = VMCI_DG_SIZE(dg); + ASSERT(vmciDgSize <= VMCI_MAX_DG_SIZE); + + /* Get the target VM's VMCI context. */ + context = vmci_ctx_get(cid); + if (context == NULL) { + pr_devel("Invalid context (ID=0x%x).", cid); + return VMCI_ERROR_INVALID_ARGS; +...

* * * This series of VMCI linux upstreaming patches include latest udpate from VMware to address Greg's and all other's code review comments. Summary of changes: - Rebase our linux kernel tree from v3.5 to v3.7. - Fix all checkpatch warnings and errors. Fix some checkpatch with -strict errors. This addresses Greg's comment: On 15 Nov 2012

* * * This series of VMCI linux upstreaming patches include latest udpate from VMware to address Greg's and all other's code review comments. Summary of changes: - Rebase our linux kernel tree from v3.5 to v3.7. - Fix all checkpatch warnings and errors. Fix some checkpatch with -strict errors. This addresses Greg's comment: On 15 Nov 2012

* * * In an effort to improve the out-of-the-box experience with Linux kernels for VMware users, VMware is working on readying the Virtual Machine Communication Interface (vmw_vmci) and VMCI Sockets (vmw_vsock) kernel modules for inclusion in the Linux kernel. The purpose of this post is to acquire feedback on the vmw_vmci kernel module. The vmw_vsock kernel module will be presented in a later

* * * In an effort to improve the out-of-the-box experience with Linux kernels for VMware users, VMware is working on readying the Virtual Machine Communication Interface (vmw_vmci) and VMCI Sockets (vmw_vsock) kernel modules for inclusion in the Linux kernel. The purpose of this post is to acquire feedback on the vmw_vmci kernel module. The vmw_vsock kernel module will be presented in a later

...allowed to be larger. + */ +#define VMCI_MAX_DG_SIZE (17 * 4096) +#define VMCI_MAX_DG_PAYLOAD_SIZE (VMCI_MAX_DG_SIZE - sizeof(struct vmci_datagram)) +#define VMCI_DG_PAYLOAD(_dg) (void *)((char *)(_dg) + sizeof(struct vmci_datagram)) +#define VMCI_DG_HEADERSIZE sizeof(struct vmci_datagram) +#define VMCI_DG_SIZE(_dg) (VMCI_DG_HEADERSIZE + (size_t)(_dg)->payloadSize) +#define VMCI_DG_SIZE_ALIGNED(_dg) ((VMCI_DG_SIZE(_dg) + 7) & (~((size_t) 0x7))) +#define VMCI_MAX_DATAGRAM_QUEUE_SIZE (VMCI_MAX_DG_SIZE * 2) + +/* Flags for VMCI QueuePair API. */ +enum { + /* Fail alloc if QP not created by peer...

...allowed to be larger. + */ +#define VMCI_MAX_DG_SIZE (17 * 4096) +#define VMCI_MAX_DG_PAYLOAD_SIZE (VMCI_MAX_DG_SIZE - sizeof(struct vmci_datagram)) +#define VMCI_DG_PAYLOAD(_dg) (void *)((char *)(_dg) + sizeof(struct vmci_datagram)) +#define VMCI_DG_HEADERSIZE sizeof(struct vmci_datagram) +#define VMCI_DG_SIZE(_dg) (VMCI_DG_HEADERSIZE + (size_t)(_dg)->payloadSize) +#define VMCI_DG_SIZE_ALIGNED(_dg) ((VMCI_DG_SIZE(_dg) + 7) & (~((size_t) 0x7))) +#define VMCI_MAX_DATAGRAM_QUEUE_SIZE (VMCI_MAX_DG_SIZE * 2) + +/* Flags for VMCI QueuePair API. */ +enum { + /* Fail alloc if QP not created by peer...

* * * This series of VMCI linux upstreaming patches include latest udpate from VMware. -split guest, host and core driver code into different files -use EXPORT_SYMBOLS_GPL -remove vmci_device_get and vmci_device_release APIs -simplify the event deliver mechanism -driver ioctl code cleanup -sparse clean * * * In an effort to improve the out-of-the-box experience with

* * * This series of VMCI linux upstreaming patches include latest udpate from VMware. -split guest, host and core driver code into different files -use EXPORT_SYMBOLS_GPL -remove vmci_device_get and vmci_device_release APIs -simplify the event deliver mechanism -driver ioctl code cleanup -sparse clean * * * In an effort to improve the out-of-the-box experience with

...dgInBuffer + currentDgInBufferSize); + remainingBytes = + (size_t) (dgInBuffer + currentDgInBufferSize - + (uint8_t *)dg); + continue; + } + + dgInSize = VMCI_DG_SIZE_ALIGNED(dg); + + if (dgInSize <= dgInBufferSize) { + int result; + + /* + * If the remaining bytes in the datagram + * buffer doesn't contain the complete + * datag...

...dgInBuffer + currentDgInBufferSize); + remainingBytes = + (size_t) (dgInBuffer + currentDgInBufferSize - + (uint8_t *)dg); + continue; + } + + dgInSize = VMCI_DG_SIZE_ALIGNED(dg); + + if (dgInSize <= dgInBufferSize) { + int result; + + /* + * If the remaining bytes in the datagram + * buffer doesn't contain the complete + * datag...

Second revision of the VMware VMCI RFC patchset. It incorperates fixes for all the feedback about the comment blocks and style and now passes checkpatch with 0 errors and 0 warnings. Thanks to all who have reviewed the code thus far. * * * In an effort to improve the out-of-the-box experience with Linux kernels for VMware users, VMware is working on readying the Virtual Machine Communication

Second revision of the VMware VMCI RFC patchset. It incorperates fixes for all the feedback about the comment blocks and style and now passes checkpatch with 0 errors and 0 warnings. Thanks to all who have reviewed the code thus far. * * * In an effort to improve the out-of-the-box experience with Linux kernels for VMware users, VMware is working on readying the Virtual Machine Communication