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path: root/drivers/tty/hvc
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Diffstat (limited to 'drivers/tty/hvc')
-rw-r--r--drivers/tty/hvc/hvc_console.c2
-rw-r--r--drivers/tty/hvc/hvc_xen.c20
-rw-r--r--drivers/tty/hvc/hvsi.c46
3 files changed, 33 insertions, 35 deletions
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;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-04 15:33:08 +0000