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[103.229.18.19]) by smtp.gmail.com with ESMTPSA id p12sm12353249pgn.90.2017.10.16.02.02.50 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 16 Oct 2017 02:02:53 -0700 (PDT) From: Bhupinder Thakur To: xen-devel@lists.xenproject.org Date: Mon, 16 Oct 2017 14:32:47 +0530 Message-Id: <1508144567-23300-1-git-send-email-bhupinder.thakur@linaro.org> X-Mailer: git-send-email 2.7.4 Cc: Stefano Stabellini , Wei Liu , Andrew Cooper , Ian Jackson , Julien Grall , Jan Beulich Subject: [Xen-devel] libxl/xenconsole: vpl011: Fix hex to dec conversion of vuart_gfn in libxl__device_vuart_add 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" In libxl__device_vuart_add vuart_gfn is getting stored as a hex value: > flexarray_append(ro_front, GCSPRINTF("%"PRI_xen_pfn, state->vuart_gfn)); However, xenstore reads this value as a decimal value and tries to map the wrong address and fails. Introduced a new format string "PRIu_xen_pfn" which formats the value as a decimal value. Also corrected the type of ring_ref to xen_pfn_t in xenconsole. Signed-off-by: Bhupinder Thakur --- This patch was verified for arm64 and arm32 toolstack compilation. CC: Ian Jackson CC: Wei Liu CC: Stefano Stabellini CC: Julien Grall CC: Jan Beulich CC: Andrew Cooper tools/console/daemon/io.c | 20 +++++++++++--------- tools/libxc/include/xenctrl_compat.h | 2 +- tools/libxc/xc_foreign_memory.c | 2 +- tools/libxl/libxl_console.c | 4 ++-- tools/libxl/libxl_dom.c | 2 +- tools/libxl/libxl_internal.h | 2 +- xen/include/public/arch-arm.h | 1 + xen/include/public/arch-x86/xen.h | 1 + 8 files changed, 19 insertions(+), 15 deletions(-) diff --git a/tools/console/daemon/io.c b/tools/console/daemon/io.c index e22009a..6369bf4 100644 --- a/tools/console/daemon/io.c +++ b/tools/console/daemon/io.c @@ -80,6 +80,7 @@ static unsigned int current_array_size; static unsigned int nr_fds; #define ROUNDUP(_x,_w) (((unsigned long)(_x)+(1UL<<(_w))-1) & ~((1UL<<(_w))-1)) +#define INVALID_RING_REF (~(xen_pfn_t)0) struct buffer { char *data; @@ -98,7 +99,7 @@ struct console { struct buffer buffer; char *xspath; char *log_suffix; - int ring_ref; + xen_pfn_t ring_ref; xenevtchn_handle *xce_handle; int xce_pollfd_idx; int event_count; @@ -651,22 +652,23 @@ static void console_unmap_interface(struct console *con) { if (con->interface == NULL) return; - if (xgt_handle && con->ring_ref == -1) + if (xgt_handle && con->ring_ref == INVALID_RING_REF) xengnttab_unmap(xgt_handle, con->interface, 1); else munmap(con->interface, XC_PAGE_SIZE); con->interface = NULL; - con->ring_ref = -1; + con->ring_ref = INVALID_RING_REF; } static int console_create_ring(struct console *con) { - int err, remote_port, ring_ref, rc; + int err, remote_port, rc; + xen_pfn_t ring_ref; char *type, path[PATH_MAX]; struct domain *dom = con->d; err = xs_gather(xs, con->xspath, - "ring-ref", "%u", &ring_ref, + "ring-ref", "%i", &ring_ref, "port", "%i", &remote_port, NULL); @@ -690,7 +692,7 @@ static int console_create_ring(struct console *con) free(type); /* If using ring_ref and it has changed, remap */ - if (ring_ref != con->ring_ref && con->ring_ref != -1) + if (ring_ref != con->ring_ref && con->ring_ref != INVALID_RING_REF) console_unmap_interface(con); if (!con->interface && xgt_handle && con->use_gnttab) { @@ -698,14 +700,14 @@ static int console_create_ring(struct console *con) con->interface = xengnttab_map_grant_ref(xgt_handle, dom->domid, GNTTAB_RESERVED_CONSOLE, PROT_READ|PROT_WRITE); - con->ring_ref = -1; + con->ring_ref = INVALID_RING_REF; } if (!con->interface) { /* Fall back to xc_map_foreign_range */ con->interface = xc_map_foreign_range( xc, dom->domid, XC_PAGE_SIZE, PROT_READ|PROT_WRITE, - (unsigned long)ring_ref); + ring_ref); if (con->interface == NULL) { err = EINVAL; goto out; @@ -804,7 +806,7 @@ static int console_init(struct console *con, struct domain *dom, void **data) con->master_pollfd_idx = -1; con->slave_fd = -1; con->log_fd = -1; - con->ring_ref = -1; + con->ring_ref = INVALID_RING_REF; con->local_port = -1; con->remote_port = -1; con->xce_pollfd_idx = -1; diff --git a/tools/libxc/include/xenctrl_compat.h b/tools/libxc/include/xenctrl_compat.h index a655e47..2d930d8 100644 --- a/tools/libxc/include/xenctrl_compat.h +++ b/tools/libxc/include/xenctrl_compat.h @@ -26,7 +26,7 @@ */ void *xc_map_foreign_range(xc_interface *xch, uint32_t dom, int size, int prot, - unsigned long mfn ); + xen_pfn_t mfn ); void *xc_map_foreign_pages(xc_interface *xch, uint32_t dom, int prot, const xen_pfn_t *arr, int num ); diff --git a/tools/libxc/xc_foreign_memory.c b/tools/libxc/xc_foreign_memory.c index 4053d26..8b65e52 100644 --- a/tools/libxc/xc_foreign_memory.c +++ b/tools/libxc/xc_foreign_memory.c @@ -33,7 +33,7 @@ void *xc_map_foreign_pages(xc_interface *xch, uint32_t dom, int prot, void *xc_map_foreign_range(xc_interface *xch, uint32_t dom, int size, int prot, - unsigned long mfn) + xen_pfn_t mfn) { xen_pfn_t *arr; int num; diff --git a/tools/libxl/libxl_console.c b/tools/libxl/libxl_console.c index c05dc28..f2ca689 100644 --- a/tools/libxl/libxl_console.c +++ b/tools/libxl/libxl_console.c @@ -329,7 +329,7 @@ int libxl__device_console_add(libxl__gc *gc, uint32_t domid, flexarray_append(ro_front, "port"); flexarray_append(ro_front, GCSPRINTF("%"PRIu32, state->console_port)); flexarray_append(ro_front, "ring-ref"); - flexarray_append(ro_front, GCSPRINTF("%lu", state->console_mfn)); + flexarray_append(ro_front, GCSPRINTF("%"PRIu_xen_pfn, state->console_mfn)); } else { flexarray_append(front, "state"); flexarray_append(front, GCSPRINTF("%d", XenbusStateInitialising)); @@ -376,7 +376,7 @@ int libxl__device_vuart_add(libxl__gc *gc, uint32_t domid, flexarray_append(ro_front, "port"); flexarray_append(ro_front, GCSPRINTF("%"PRIu32, state->vuart_port)); flexarray_append(ro_front, "ring-ref"); - flexarray_append(ro_front, GCSPRINTF("%"PRI_xen_pfn, state->vuart_gfn)); + flexarray_append(ro_front, GCSPRINTF("%"PRIu_xen_pfn, state->vuart_gfn)); flexarray_append(ro_front, "limit"); flexarray_append(ro_front, GCSPRINTF("%d", LIBXL_XENCONSOLE_LIMIT)); flexarray_append(ro_front, "type"); diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c index ef834e6..a58e74f 100644 --- a/tools/libxl/libxl_dom.c +++ b/tools/libxl/libxl_dom.c @@ -869,7 +869,7 @@ out: static int hvm_build_set_params(xc_interface *handle, uint32_t domid, libxl_domain_build_info *info, int store_evtchn, unsigned long *store_mfn, - int console_evtchn, unsigned long *console_mfn, + int console_evtchn, xen_pfn_t *console_mfn, domid_t store_domid, domid_t console_domid) { struct hvm_info_table *va_hvm; diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h index 45e6df6..f52aeb3 100644 --- a/tools/libxl/libxl_internal.h +++ b/tools/libxl/libxl_internal.h @@ -1128,7 +1128,7 @@ typedef struct { uint32_t console_port; uint32_t console_domid; - unsigned long console_mfn; + xen_pfn_t console_mfn; char *console_tty; char *saved_state; diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h index 5708cd2..05fd11c 100644 --- a/xen/include/public/arch-arm.h +++ b/xen/include/public/arch-arm.h @@ -274,6 +274,7 @@ DEFINE_XEN_GUEST_HANDLE(vcpu_guest_core_regs_t); typedef uint64_t xen_pfn_t; #define PRI_xen_pfn PRIx64 +#define PRIu_xen_pfn PRIu64 /* Maximum number of virtual CPUs in legacy multi-processor guests. */ /* Only one. All other VCPUS must use VCPUOP_register_vcpu_info */ diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h index ff91831..3b0b1d6 100644 --- a/xen/include/public/arch-x86/xen.h +++ b/xen/include/public/arch-x86/xen.h @@ -75,6 +75,7 @@ __DeFiNe__ __DECL_REG_LO16(name) e ## name #ifndef __ASSEMBLY__ typedef unsigned long xen_pfn_t; #define PRI_xen_pfn "lx" +#define PRIu_xen_pfn "lu" #endif #define XEN_HAVE_PV_GUEST_ENTRY 1