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Mon, 03 Apr 2017 02:45:06 -0700 (PDT) Received: from blr-ubuntu-linaro.wlan.qualcomm.com ([202.46.23.54]) by smtp.gmail.com with ESMTPSA id y7sm24751844pfk.93.2017.04.03.02.45.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 03 Apr 2017 02:45:06 -0700 (PDT) From: Bhupinder Thakur To: xen-devel@lists.xenproject.org Date: Mon, 3 Apr 2017 15:14:29 +0530 Message-Id: <1491212673-13476-7-git-send-email-bhupinder.thakur@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1491212673-13476-1-git-send-email-bhupinder.thakur@linaro.org> References: <1491212673-13476-1-git-send-email-bhupinder.thakur@linaro.org> Cc: Wei Liu , Julien Grall , Stefano Stabellini , Ian Jackson Subject: [Xen-devel] [PATCH 06/10] xen/arm: vpl011: Add new parameters to xenstore for the virtual console X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" Add two new parameters to the xen store: - newly allocated PFN to be used as IN/OUT ring buffer by xenconsoled - a new event channel read from Xen using a hvm call to be used by xenconsoled Signed-off-by: Bhupinder Thakur --- tools/libxl/libxl.c | 10 ++++++++++ tools/libxl/libxl_dom.c | 13 ++++++++++++- 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c index d400fa2..5fa1e41 100644 --- a/tools/libxl/libxl.c +++ b/tools/libxl/libxl.c @@ -1791,6 +1791,9 @@ int libxl_console_exec(libxl_ctx *ctx, uint32_t domid, int cons_num, case LIBXL_CONSOLE_TYPE_SERIAL: cons_type_s = "serial"; break; + case LIBXL_CONSOLE_TYPE_VCON: + cons_type_s = "vcon"; + break; default: goto out; } @@ -3159,6 +3162,13 @@ int libxl__device_console_add(libxl__gc *gc, uint32_t domid, flexarray_append(ro_front, GCSPRINTF("%"PRIu32, state->console_port)); flexarray_append(ro_front, "ring-ref"); flexarray_append(ro_front, GCSPRINTF("%lu", state->console_mfn)); + if (state->vconsole_enabled) + { + flexarray_append(ro_front, "vcon-port"); + flexarray_append(ro_front, GCSPRINTF("%"PRIu32, state->vconsole_port)); + flexarray_append(ro_front, "vcon-ring-ref"); + flexarray_append(ro_front, GCSPRINTF("%lu", state->vconsole_mfn)); + } } else { flexarray_append(front, "state"); flexarray_append(front, GCSPRINTF("%d", XenbusStateInitialising)); diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c index d519c8d..8df1e10 100644 --- a/tools/libxl/libxl_dom.c +++ b/tools/libxl/libxl_dom.c @@ -302,7 +302,7 @@ int libxl__build_pre(libxl__gc *gc, uint32_t domid, libxl_ctx *ctx = libxl__gc_owner(gc); char *xs_domid, *con_domid; int rc; - uint64_t size; + uint64_t size, val; if (xc_domain_max_vcpus(ctx->xch, domid, info->max_vcpus) != 0) { LOG(ERROR, "Couldn't set max vcpu count"); @@ -432,6 +432,16 @@ int libxl__build_pre(libxl__gc *gc, uint32_t domid, state->store_port = xc_evtchn_alloc_unbound(ctx->xch, domid, state->store_domid); state->console_port = xc_evtchn_alloc_unbound(ctx->xch, domid, state->console_domid); + state->vconsole_port = -1; + + if (state->vconsole_enabled) + { + rc = xc_hvm_param_get(ctx->xch, domid, HVM_PARAM_VCONSOLE_EVTCHN, + &val); + if ( !rc ) + state->vconsole_port = val; + } + if (info->type == LIBXL_DOMAIN_TYPE_HVM) { hvm_set_conf_params(ctx->xch, domid, info); #if defined(__i386__) || defined(__x86_64__) @@ -771,6 +781,7 @@ int libxl__build_pv(libxl__gc *gc, uint32_t domid, if (xc_dom_feature_translated(dom)) { state->console_mfn = dom->console_pfn; state->store_mfn = dom->xenstore_pfn; + state->vconsole_mfn = dom->vconsole_pfn; } else { state->console_mfn = xc_dom_p2m(dom, dom->console_pfn); state->store_mfn = xc_dom_p2m(dom, dom->xenstore_pfn);