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path: root/drivers/s390/cio/chsc.c
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Diffstat (limited to 'drivers/s390/cio/chsc.c')
-rw-r--r--drivers/s390/cio/chsc.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index c314e9495c1b..38017c4a31e9 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -65,6 +65,8 @@ int chsc_error_from_response(int response)
case 0x0100:
case 0x0102:
return -ENOMEM;
+ case 0x0108: /* "HW limit exceeded" for the op 0x003d */
+ return -EUSERS;
default:
return -EIO;
}
@@ -1114,7 +1116,7 @@ int chsc_enable_facility(int operation_code)
return ret;
}
-int __init chsc_get_cssid(int idx)
+int __init chsc_get_cssid_iid(int idx, u8 *cssid, u8 *iid)
{
struct {
struct chsc_header request;
@@ -1125,7 +1127,8 @@ int __init chsc_get_cssid(int idx)
u32 reserved2[3];
struct {
u8 cssid;
- u32 : 24;
+ u8 iid;
+ u32 : 16;
} list[0];
} *sdcal_area;
int ret;
@@ -1151,8 +1154,10 @@ int __init chsc_get_cssid(int idx)
}
if ((addr_t) &sdcal_area->list[idx] <
- (addr_t) &sdcal_area->response + sdcal_area->response.length)
- ret = sdcal_area->list[idx].cssid;
+ (addr_t) &sdcal_area->response + sdcal_area->response.length) {
+ *cssid = sdcal_area->list[idx].cssid;
+ *iid = sdcal_area->list[idx].iid;
+ }
else
ret = -ENODEV;
exit:
@@ -1340,6 +1345,7 @@ EXPORT_SYMBOL_GPL(chsc_scm_info);
* chsc_pnso() - Perform Network-Subchannel Operation
* @schid: id of the subchannel on which PNSO is performed
* @pnso_area: request and response block for the operation
+ * @oc: Operation Code
* @resume_token: resume token for multiblock response
* @cnc: Boolean change-notification control
*
@@ -1347,10 +1353,8 @@ EXPORT_SYMBOL_GPL(chsc_scm_info);
*
* Returns 0 on success.
*/
-int chsc_pnso(struct subchannel_id schid,
- struct chsc_pnso_area *pnso_area,
- struct chsc_pnso_resume_token resume_token,
- int cnc)
+int chsc_pnso(struct subchannel_id schid, struct chsc_pnso_area *pnso_area,
+ u8 oc, struct chsc_pnso_resume_token resume_token, int cnc)
{
memset(pnso_area, 0, sizeof(*pnso_area));
pnso_area->request.length = 0x0030;
@@ -1359,7 +1363,7 @@ int chsc_pnso(struct subchannel_id schid,
pnso_area->ssid = schid.ssid;
pnso_area->sch = schid.sch_no;
pnso_area->cssid = schid.cssid;
- pnso_area->oc = 0; /* Store-network-bridging-information list */
+ pnso_area->oc = oc;
pnso_area->resume_token = resume_token;
pnso_area->n = (cnc != 0);
if (chsc(pnso_area))