search for: req_size

...selftests/kvm/x86_64/kvmi_test.c +++ b/tools/testing/selftests/kvm/x86_64/kvmi_test.c @@ -738,6 +738,14 @@ static void stop_vcpu_worker(pthread_t vcpu_thread, wait_vcpu_worker(vcpu_thread); } +static int __do_vcpu_command(struct kvm_vm *vm, int cmd_id, + struct kvmi_msg_hdr *req, size_t req_size, + void *rpl, size_t rpl_size) +{ + send_message(cmd_id, req, req_size); + return receive_cmd_reply(req, rpl, rpl_size); +} + static int do_vcpu_command(struct kvm_vm *vm, int cmd_id, struct kvmi_msg_hdr *req, size_t req_size, void *rpl, size_t rpl_size) @@ -748,13 +756,24 @@...

...(+), 40 deletions(-) delete mode 100644 lib/iovec.c diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index d695b16..dc78d87 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1079,7 +1079,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) req_size, vq->iov[0].iov_len); break; } - ret = memcpy_fromiovecend(req, &vq->iov[0], 0, req_size); + ret = copy_from_user(req, vq->iov[0].iov_base, req_size); if (unlikely(ret)) { vq_err(vq, "Faulted on virtio_scsi_cmd_req\n"); break; diff --git a/include/linux/ui...

...(+), 40 deletions(-) delete mode 100644 lib/iovec.c diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index d695b16..dc78d87 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1079,7 +1079,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) req_size, vq->iov[0].iov_len); break; } - ret = memcpy_fromiovecend(req, &vq->iov[0], 0, req_size); + ret = copy_from_user(req, vq->iov[0].iov_base, req_size); if (unlikely(ret)) { vq_err(vq, "Faulted on virtio_scsi_cmd_req\n"); break; diff --git a/include/linux/ui...

Hi all, this series adds multiqueue support to the virtio-scsi driver, based on Jason Wang's work on virtio-net. It uses a simple queue steering algorithm that expects one queue per CPU. LUNs in the same target always use the same queue (so that commands are not reordered); queue switching occurs when the request being queued is the only one for the target. Also based on Jason's

Hi all, this series adds multiqueue support to the virtio-scsi driver, based on Jason Wang's work on virtio-net. It uses a simple queue steering algorithm that expects one queue per CPU. LUNs in the same target always use the same queue (so that commands are not reordered); queue switching occurs when the request being queued is the only one for the target. Also based on Jason's

Hello Josef, FYI build failure occured in fs/btrfs/ctree.h. CC fs/btrfs/super.o In file included from fs/btrfs/delayed-inode.h:30:0, from fs/btrfs/super.c:45: fs/btrfs/ctree.h:3235:1: error: expected identifier or ‘(’ before ‘<<’ token make[3]: *** [fs/btrfs/super.o] Error 1 make[2]: *** [fs/btrfs] Error 2 make[1]: *** [fs] Error 2 make[1]: Leaving directory ` make:

...selftests/kvm/x86_64/kvmi_test.c +++ b/tools/testing/selftests/kvm/x86_64/kvmi_test.c @@ -829,6 +829,14 @@ static void stop_vcpu_worker(pthread_t vcpu_thread, wait_vcpu_worker(vcpu_thread); } +static int __do_vcpu_command(struct kvm_vm *vm, int cmd_id, + struct kvmi_msg_hdr *req, size_t req_size, + void *rpl, size_t rpl_size) +{ + send_message(cmd_id, req, req_size); + return receive_cmd_reply(req, rpl, rpl_size); +} + static int do_vcpu_command(struct kvm_vm *vm, int cmd_id, struct kvmi_msg_hdr *req, size_t req_size, void *rpl, size_t rpl_size) @@ -839,8 +847,7 @@ st...

...ex 7b7122784f0f..0776be48ada1 100644 --- a/arch/x86/kvm/kvmi.c +++ b/arch/x86/kvm/kvmi.c @@ -761,3 +761,26 @@ int kvmi_arch_cmd_vcpu_get_xsave(struct kvm_vcpu *vcpu, return 0; } + +int kvmi_arch_cmd_vcpu_set_xsave(struct kvm_vcpu *vcpu, + const struct kvmi_vcpu_set_xsave *req, + size_t req_size) +{ + struct kvm_xsave *area; + size_t dest_size = sizeof(*area); + int err; + + if (req_size > dest_size) + return -KVM_EINVAL; + + area = kzalloc(dest_size, GFP_KERNEL); + if (!area) + return -KVM_ENOMEM; + + memcpy(area, req, min(req_size, dest_size)); + + err = kvm_vcpu_ioctl_x86_set_xsave...

...b4..4fd7a3c17ef5 100644 --- a/arch/x86/kvm/kvmi.c +++ b/arch/x86/kvm/kvmi.c @@ -98,3 +98,96 @@ int kvmi_arch_cmd_vcpu_get_info(struct kvm_vcpu *vcpu, return 0; } + +int kvmi_arch_check_get_registers_req(const struct kvmi_msg_hdr *msg, + const struct kvmi_vcpu_get_registers *req) +{ + size_t req_size; + + if (check_add_overflow(sizeof(struct kvmi_vcpu_hdr), + struct_size(req, msrs_idx, req->nmsrs), + &req_size)) + return -1; + + if (msg->size < req_size) + return -1; + + return 0; +} + +static int kvmi_get_registers(struct kvm_vcpu *vcpu, u32 *mode, + struct kvm_reg...

...on { > struct virtio_scsi_cmd_req cmd; > + struct virtio_scsi_cmd_req_pi cmd_pi; > struct virtio_scsi_ctrl_tmf_req tmf; > struct virtio_scsi_ctrl_an_req an; > } req; > @@ -440,7 +441,7 @@ static int virtscsi_add_cmd(struct virtqueue *vq, > size_t req_size, size_t resp_size, gfp_t gfp) > { > struct scsi_cmnd *sc = cmd->sc; > - struct scatterlist *sgs[4], req, resp; > + struct scatterlist *sgs[6], req, resp; > struct sg_table *out, *in; > unsigned out_num = 0, in_num = 0; > > @@ -458,16 +459,24 @@ static int virtscs...

...on { > struct virtio_scsi_cmd_req cmd; > + struct virtio_scsi_cmd_req_pi cmd_pi; > struct virtio_scsi_ctrl_tmf_req tmf; > struct virtio_scsi_ctrl_an_req an; > } req; > @@ -440,7 +441,7 @@ static int virtscsi_add_cmd(struct virtqueue *vq, > size_t req_size, size_t resp_size, gfp_t gfp) > { > struct scsi_cmnd *sc = cmd->sc; > - struct scatterlist *sgs[4], req, resp; > + struct scatterlist *sgs[6], req, resp; > struct sg_table *out, *in; > unsigned out_num = 0, in_num = 0; > > @@ -458,16 +459,24 @@ static int virtscs...

OK, this is (ab)uses some of Paolo's patches. The first 7 are candidates for this merge window (maybe), the rest I'm not so sure about. Thanks, Rusty. Paolo Bonzini (3): scatterlist: introduce sg_unmark_end virtio-blk: reorganize virtblk_add_req virtio-blk: use virtqueue_add_sgs on req path Rusty Russell (13): virtio_ring: virtqueue_add_sgs, to add multiple sgs. virtio-blk:

OK, this is (ab)uses some of Paolo's patches. The first 7 are candidates for this merge window (maybe), the rest I'm not so sure about. Thanks, Rusty. Paolo Bonzini (3): scatterlist: introduce sg_unmark_end virtio-blk: reorganize virtblk_add_req virtio-blk: use virtqueue_add_sgs on req path Rusty Russell (13): virtio_ring: virtqueue_add_sgs, to add multiple sgs. virtio-blk:

...host/scsi.c @@ -843,7 +843,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) struct iov_iter out_iter, in_iter, prot_iter, data_iter; u64 tag; u32 exp_data_len, data_direction; - unsigned out, in; + unsigned int out = 0, in = 0; int head, ret, prot_bytes; size_t req_size, rsp_size = sizeof(struct virtio_scsi_cmd_resp); size_t out_size, in_size;

...drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1215,7 +1215,7 @@ vhost_scsi_ctl_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) continue; } - switch (v_req.type) { + switch (vhost32_to_cpu(vq, v_req.type)) { case VIRTIO_SCSI_T_TMF: vc.req = &v_req.tmf; vc.req_size = sizeof(struct virtio_scsi_ctrl_tmf_req); -- MST

...host/scsi.c @@ -843,7 +843,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) struct iov_iter out_iter, in_iter, prot_iter, data_iter; u64 tag; u32 exp_data_len, data_direction; - unsigned out, in; + unsigned int out = 0, in = 0; int head, ret, prot_bytes; size_t req_size, rsp_size = sizeof(struct virtio_scsi_cmd_resp); size_t out_size, in_size;

...CONTENT_LENGTH in the method request_begins. Usability thingie ;-) how can i cancel the running request and send a response, instead of waiting? currently i have these 2 methods: def request_begins(params) return unless params[Mongrel::Const::REQUEST_METHOD] == ''POST'' req_size = params[Mongrel::Const::CONTENT_LENGTH].to_i || 0 if req_size > MAX_REQUEST_SIZE @request_too_big = true else @request_too_big = false end end def process(request, response) if @request_too_big response.start(413, true) do |head,out| out << &...

...7 @@ static void test_cmd_vcpu_control_msr(struct kvm_vm *vm) test_invalid_control_msr(vm, msr); } +static int cmd_set_page_access(__u16 count, __u64 *gpa, __u8 *access) +{ + struct kvmi_page_access_entry *entry, *end; + struct kvmi_vm_set_page_access *cmd; + struct kvmi_msg_hdr *req; + size_t req_size; + int r; + + req_size = sizeof(*req) + sizeof(*cmd) + count * sizeof(*entry); + req = calloc(1, req_size); + + TEST_ASSERT(req, "Insufficient Memory\n"); + + cmd = (struct kvmi_vm_set_page_access *)(req + 1); + cmd->count = count; + + entry = cmd->entries; + end = cmd->entries +...

...t/scsi.c index 0e6fd556c982..2c8dc0b9a21f 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -932,7 +932,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) */ iov_iter_init(&out_iter, WRITE, vq->iov, out, out_size); - ret = copy_from_iter(req, req_size, &out_iter); + ret = copy_from_iter_mm(vq->dev->mm, req, req_size, &out_iter); if (unlikely(ret != req_size)) { vq_err(vq, "Faulted on copy_from_iter\n"); vhost_scsi_send_bad_target(vs, vq, head, out); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c in...

...t/scsi.c index 0e6fd556c982..2c8dc0b9a21f 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -932,7 +932,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq) */ iov_iter_init(&out_iter, WRITE, vq->iov, out, out_size); - ret = copy_from_iter(req, req_size, &out_iter); + ret = copy_from_iter_mm(vq->dev->mm, req, req_size, &out_iter); if (unlikely(ret != req_size)) { vq_err(vq, "Faulted on copy_from_iter\n"); vhost_scsi_send_bad_target(vs, vq, head, out); diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c in...