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s390/iucv: use new address translation helpers

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Use virt_to_dma32() and friends to properly convert virtual to physical and
physical to virtual addresses so that "make C=1" does not generate any
warnings anymore.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2024-03-07 13:28:25 +01:00
parent 6b9875ae1b
commit 2aca9eaf08
3 changed files with 17 additions and 16 deletions
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3
include/net/iucv/iucv.h
View File

@ -30,6 +30,7 @@
#include <linux/types.h>
#include <linux/slab.h>
#include <asm/dma-types.h>
#include <asm/debug.h>
/*
@ -76,7 +77,7 @@
* and iucv_message_reply if IUCV_IPBUFLST or IUCV_IPANSLST are used.
*/
struct iucv_array {
u32 address;
dma32_t address;
u32 length;
} __attribute__ ((aligned (8)));

8
net/iucv/af_iucv.c
View File

@ -1060,12 +1060,12 @@ static int iucv_sock_sendmsg(struct socket *sock, struct msghdr *msg,
int i;
/* skip iucv_array lying in the headroom */
iba[0].address = (u32)virt_to_phys(skb->data);
iba[0].address = virt_to_dma32(skb->data);
iba[0].length = (u32)skb_headlen(skb);
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
iba[i + 1].address = (u32)virt_to_phys(skb_frag_address(frag));
iba[i + 1].address = virt_to_dma32(skb_frag_address(frag));
iba[i + 1].length = (u32)skb_frag_size(frag);
}
err = pr_iucv->message_send(iucv->path, &txmsg,
@ -1161,12 +1161,12 @@ static void iucv_process_message(struct sock *sk, struct sk_buff *skb,
struct iucv_array *iba = (struct iucv_array *)skb->head;
int i;
iba[0].address = (u32)virt_to_phys(skb->data);
iba[0].address = virt_to_dma32(skb->data);
iba[0].length = (u32)skb_headlen(skb);
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
iba[i + 1].address = (u32)virt_to_phys(skb_frag_address(frag));
iba[i + 1].address = virt_to_dma32(skb_frag_address(frag));
iba[i + 1].length = (u32)skb_frag_size(frag);
}
rc = pr_iucv->message_receive(path, msg,

22
net/iucv/iucv.c
View File

@ -210,7 +210,7 @@ struct iucv_cmd_dpl {
u8 iprmmsg[8];
u32 ipsrccls;
u32 ipmsgtag;
u32 ipbfadr2;
dma32_t ipbfadr2;
u32 ipbfln2f;
u32 res;
} __attribute__ ((packed,aligned(8)));
@ -226,11 +226,11 @@ struct iucv_cmd_db {
u8 iprcode;
u32 ipmsgid;
u32 iptrgcls;
u32 ipbfadr1;
dma32_t ipbfadr1;
u32 ipbfln1f;
u32 ipsrccls;
u32 ipmsgtag;
u32 ipbfadr2;
dma32_t ipbfadr2;
u32 ipbfln2f;
u32 res;
} __attribute__ ((packed,aligned(8)));
@ -432,7 +432,7 @@ static void iucv_declare_cpu(void *data)
/* Declare interrupt buffer. */
parm = iucv_param_irq[cpu];
memset(parm, 0, sizeof(union iucv_param));
parm->db.ipbfadr1 = virt_to_phys(iucv_irq_data[cpu]);
parm->db.ipbfadr1 = virt_to_dma32(iucv_irq_data[cpu]);
rc = iucv_call_b2f0(IUCV_DECLARE_BUFFER, parm);
if (rc) {
char *err = "Unknown";
@ -1081,7 +1081,7 @@ static int iucv_message_receive_iprmdata(struct iucv_path *path,
size = (size < 8) ? size : 8;
for (array = buffer; size > 0; array++) {
copy = min_t(size_t, size, array->length);
memcpy(phys_to_virt(array->address), rmmsg, copy);
memcpy(dma32_to_virt(array->address), rmmsg, copy);
rmmsg += copy;
size -= copy;
}
@ -1123,7 +1123,7 @@ int __iucv_message_receive(struct iucv_path *path, struct iucv_message *msg,
parm = iucv_param[smp_processor_id()];
memset(parm, 0, sizeof(union iucv_param));
parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
parm->db.ipbfadr1 = virt_to_dma32(buffer);
parm->db.ipbfln1f = (u32) size;
parm->db.ipmsgid = msg->id;
parm->db.ippathid = path->pathid;
@ -1241,7 +1241,7 @@ int iucv_message_reply(struct iucv_path *path, struct iucv_message *msg,
parm->dpl.iptrgcls = msg->class;
memcpy(parm->dpl.iprmmsg, reply, min_t(size_t, size, 8));
} else {
parm->db.ipbfadr1 = (u32)virt_to_phys(reply);
parm->db.ipbfadr1 = virt_to_dma32(reply);
parm->db.ipbfln1f = (u32) size;
parm->db.ippathid = path->pathid;
parm->db.ipflags1 = flags;
@ -1293,7 +1293,7 @@ int __iucv_message_send(struct iucv_path *path, struct iucv_message *msg,
parm->dpl.ipmsgtag = msg->tag;
memcpy(parm->dpl.iprmmsg, buffer, 8);
} else {
parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
parm->db.ipbfadr1 = virt_to_dma32(buffer);
parm->db.ipbfln1f = (u32) size;
parm->db.ippathid = path->pathid;
parm->db.ipflags1 = flags | IUCV_IPNORPY;
@ -1378,7 +1378,7 @@ int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
parm->dpl.iptrgcls = msg->class;
parm->dpl.ipsrccls = srccls;
parm->dpl.ipmsgtag = msg->tag;
parm->dpl.ipbfadr2 = (u32)virt_to_phys(answer);
parm->dpl.ipbfadr2 = virt_to_dma32(answer);
parm->dpl.ipbfln2f = (u32) asize;
memcpy(parm->dpl.iprmmsg, buffer, 8);
} else {
@ -1387,9 +1387,9 @@ int iucv_message_send2way(struct iucv_path *path, struct iucv_message *msg,
parm->db.iptrgcls = msg->class;
parm->db.ipsrccls = srccls;
parm->db.ipmsgtag = msg->tag;
parm->db.ipbfadr1 = (u32)virt_to_phys(buffer);
parm->db.ipbfadr1 = virt_to_dma32(buffer);
parm->db.ipbfln1f = (u32) size;
parm->db.ipbfadr2 = (u32)virt_to_phys(answer);
parm->db.ipbfadr2 = virt_to_dma32(answer);
parm->db.ipbfln2f = (u32) asize;
}
rc = iucv_call_b2f0(IUCV_SEND, parm);