From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/tty/hvc/hvc_console.c | 2 +- drivers/tty/hvc/hvc_xen.c | 20 ++++++++----------- drivers/tty/hvc/hvsi.c | 46 ++++++++++++++++++++++--------------------- 3 files changed, 33 insertions(+), 35 deletions(-) (limited to 'drivers/tty/hvc') diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index 4e9c4cc9e..47d58d87d 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -141,7 +141,7 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] = */ static void hvc_console_print(struct console *co, const char *b, - unsigned count) + unsigned count, unsigned loglevel) { char c[N_OUTBUF] __ALIGNED__; unsigned i = 0, n = 0; diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c index a9d837f83..48c645dc6 100644 --- a/drivers/tty/hvc/hvc_xen.c +++ b/drivers/tty/hvc/hvc_xen.c @@ -200,7 +200,7 @@ static int xen_hvm_console_init(void) { int r; uint64_t v = 0; - unsigned long mfn; + unsigned long gfn; struct xencons_info *info; if (!xen_hvm_domain()) @@ -217,7 +217,7 @@ static int xen_hvm_console_init(void) } /* * If the toolstack (or the hypervisor) hasn't set these values, the - * default value is 0. Even though mfn = 0 and evtchn = 0 are + * default value is 0. Even though gfn = 0 and evtchn = 0 are * theoretically correct values, in practice they never are and they * mean that a legacy toolstack hasn't initialized the pv console correctly. */ @@ -229,8 +229,8 @@ static int xen_hvm_console_init(void) r = hvm_get_parameter(HVM_PARAM_CONSOLE_PFN, &v); if (r < 0 || v == 0) goto err; - mfn = v; - info->intf = xen_remap(mfn << PAGE_SHIFT, PAGE_SIZE); + gfn = v; + info->intf = xen_remap(gfn << PAGE_SHIFT, PAGE_SIZE); if (info->intf == NULL) goto err; info->vtermno = HVC_COOKIE; @@ -265,7 +265,8 @@ static int xen_pv_console_init(void) return 0; } info->evtchn = xen_start_info->console.domU.evtchn; - info->intf = mfn_to_virt(xen_start_info->console.domU.mfn); + /* GFN == MFN for PV guest */ + info->intf = gfn_to_virt(xen_start_info->console.domU.mfn); info->vtermno = HVC_COOKIE; spin_lock(&xencons_lock); @@ -374,7 +375,6 @@ static int xencons_connect_backend(struct xenbus_device *dev, int ret, evtchn, devid, ref, irq; struct xenbus_transaction xbt; grant_ref_t gref_head; - unsigned long mfn; ret = xenbus_alloc_evtchn(dev, &evtchn); if (ret) @@ -389,10 +389,6 @@ static int xencons_connect_backend(struct xenbus_device *dev, irq, &domU_hvc_ops, 256); if (IS_ERR(info->hvc)) return PTR_ERR(info->hvc); - if (xen_pv_domain()) - mfn = virt_to_mfn(info->intf); - else - mfn = __pa(info->intf) >> PAGE_SHIFT; ret = gnttab_alloc_grant_references(1, &gref_head); if (ret < 0) return ret; @@ -401,7 +397,7 @@ static int xencons_connect_backend(struct xenbus_device *dev, if (ref < 0) return ref; gnttab_grant_foreign_access_ref(ref, info->xbdev->otherend_id, - mfn, 0); + virt_to_gfn(info->intf), 0); again: ret = xenbus_transaction_start(&xbt); @@ -603,7 +599,7 @@ console_initcall(xen_cons_init); #ifdef CONFIG_EARLY_PRINTK static void xenboot_write_console(struct console *console, const char *string, - unsigned len) + unsigned len, unsigned loglevel) { unsigned int linelen, off = 0; const char *pos; diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c index 41901997c..a75146f60 100644 --- a/drivers/tty/hvc/hvsi.c +++ b/drivers/tty/hvc/hvsi.c @@ -240,9 +240,9 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet, { struct hvsi_control *header = (struct hvsi_control *)packet; - switch (header->verb) { + switch (be16_to_cpu(header->verb)) { case VSV_MODEM_CTL_UPDATE: - if ((header->word & HVSI_TSCD) == 0) { + if ((be32_to_cpu(header->word) & HVSI_TSCD) == 0) { /* CD went away; no more connection */ pr_debug("hvsi%i: CD dropped\n", hp->index); hp->mctrl &= TIOCM_CD; @@ -267,6 +267,7 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet, static void hvsi_recv_response(struct hvsi_struct *hp, uint8_t *packet) { struct hvsi_query_response *resp = (struct hvsi_query_response *)packet; + uint32_t mctrl_word; switch (hp->state) { case HVSI_WAIT_FOR_VER_RESPONSE: @@ -274,9 +275,10 @@ static void hvsi_recv_response(struct hvsi_struct *hp, uint8_t *packet) break; case HVSI_WAIT_FOR_MCTRL_RESPONSE: hp->mctrl = 0; - if (resp->u.mctrl_word & HVSI_TSDTR) + mctrl_word = be32_to_cpu(resp->u.mctrl_word); + if (mctrl_word & HVSI_TSDTR) hp->mctrl |= TIOCM_DTR; - if (resp->u.mctrl_word & HVSI_TSCD) + if (mctrl_word & HVSI_TSCD) hp->mctrl |= TIOCM_CD; __set_state(hp, HVSI_OPEN); break; @@ -295,10 +297,10 @@ static int hvsi_version_respond(struct hvsi_struct *hp, uint16_t query_seqno) packet.hdr.type = VS_QUERY_RESPONSE_PACKET_HEADER; packet.hdr.len = sizeof(struct hvsi_query_response); - packet.hdr.seqno = atomic_inc_return(&hp->seqno); - packet.verb = VSV_SEND_VERSION_NUMBER; + packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); + packet.verb = cpu_to_be16(VSV_SEND_VERSION_NUMBER); packet.u.version = HVSI_VERSION; - packet.query_seqno = query_seqno+1; + packet.query_seqno = cpu_to_be16(query_seqno+1); pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); dbg_dump_hex((uint8_t*)&packet, packet.hdr.len); @@ -319,7 +321,7 @@ static void hvsi_recv_query(struct hvsi_struct *hp, uint8_t *packet) switch (hp->state) { case HVSI_WAIT_FOR_VER_QUERY: - hvsi_version_respond(hp, query->hdr.seqno); + hvsi_version_respond(hp, be16_to_cpu(query->hdr.seqno)); __set_state(hp, HVSI_OPEN); break; default: @@ -555,8 +557,8 @@ static int hvsi_query(struct hvsi_struct *hp, uint16_t verb) packet.hdr.type = VS_QUERY_PACKET_HEADER; packet.hdr.len = sizeof(struct hvsi_query); - packet.hdr.seqno = atomic_inc_return(&hp->seqno); - packet.verb = verb; + packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); + packet.verb = cpu_to_be16(verb); pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); dbg_dump_hex((uint8_t*)&packet, packet.hdr.len); @@ -596,14 +598,14 @@ static int hvsi_set_mctrl(struct hvsi_struct *hp, uint16_t mctrl) struct hvsi_control packet __ALIGNED__; int wrote; - packet.hdr.type = VS_CONTROL_PACKET_HEADER, - packet.hdr.seqno = atomic_inc_return(&hp->seqno); + packet.hdr.type = VS_CONTROL_PACKET_HEADER; + packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); packet.hdr.len = sizeof(struct hvsi_control); - packet.verb = VSV_SET_MODEM_CTL; - packet.mask = HVSI_TSDTR; + packet.verb = cpu_to_be16(VSV_SET_MODEM_CTL); + packet.mask = cpu_to_be32(HVSI_TSDTR); if (mctrl & TIOCM_DTR) - packet.word = HVSI_TSDTR; + packet.word = cpu_to_be32(HVSI_TSDTR); pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); dbg_dump_hex((uint8_t*)&packet, packet.hdr.len); @@ -680,7 +682,7 @@ static int hvsi_put_chars(struct hvsi_struct *hp, const char *buf, int count) BUG_ON(count > HVSI_MAX_OUTGOING_DATA); packet.hdr.type = VS_DATA_PACKET_HEADER; - packet.hdr.seqno = atomic_inc_return(&hp->seqno); + packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); packet.hdr.len = count + sizeof(struct hvsi_header); memcpy(&packet.data, buf, count); @@ -697,9 +699,9 @@ static void hvsi_close_protocol(struct hvsi_struct *hp) struct hvsi_control packet __ALIGNED__; packet.hdr.type = VS_CONTROL_PACKET_HEADER; - packet.hdr.seqno = atomic_inc_return(&hp->seqno); + packet.hdr.seqno = cpu_to_be16(atomic_inc_return(&hp->seqno)); packet.hdr.len = 6; - packet.verb = VSV_CLOSE_PROTOCOL; + packet.verb = cpu_to_be16(VSV_CLOSE_PROTOCOL); pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); dbg_dump_hex((uint8_t*)&packet, packet.hdr.len); @@ -1180,7 +1182,7 @@ static int __init hvsi_console_init(void) /* search device tree for vty nodes */ for_each_compatible_node(vty, "serial", "hvterm-protocol") { struct hvsi_struct *hp; - const uint32_t *vtermno, *irq; + const __be32 *vtermno, *irq; vtermno = of_get_property(vty, "reg", NULL); irq = of_get_property(vty, "interrupts", NULL); @@ -1202,11 +1204,11 @@ static int __init hvsi_console_init(void) hp->index = hvsi_count; hp->inbuf_end = hp->inbuf; hp->state = HVSI_CLOSED; - hp->vtermno = *vtermno; - hp->virq = irq_create_mapping(NULL, irq[0]); + hp->vtermno = be32_to_cpup(vtermno); + hp->virq = irq_create_mapping(NULL, be32_to_cpup(irq)); if (hp->virq == 0) { printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n", - __func__, irq[0]); + __func__, be32_to_cpup(irq)); tty_port_destroy(&hp->port); continue; } -- cgit v1.2.3-54-g00ecf