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Solaris hypercall compatability fixes (Mark Johnson)

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This commit is contained in:
Daniel P. Berrange 2007-09-29 18:37:47 +00:00
parent 84b5415cbf
commit 0e7aa57385
3 changed files with 65 additions and 17 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
Sat Sep 29 14:30:41 EST 2007 Daniel P. Berrange <berrange@redhat.com>
* src/xen_internal.c, src/xs_internal.c: Solaris hypercall compat
changes. (Mark Johnson)
Sat Sep 29 14:23:41 EST 2007 Daniel P. Berrange <berrange@redhat.com>
* src/sexpr.h, src/sexpr.c, src/xml.c, src/xend_internal.c: Allow

71
src/xen_internal.c
View File

@ -57,9 +57,10 @@ typedef struct v0_hypercall_struct {
unsigned long op;
unsigned long arg[5];
} v0_hypercall_t;
#ifdef __linux__
#define XEN_V0_IOCTL_HYPERCALL_CMD \
_IOC(_IOC_NONE, 'P', 0, sizeof(v0_hypercall_t))
/* the new one */
typedef struct v1_hypercall_struct
{
@ -68,8 +69,12 @@ typedef struct v1_hypercall_struct
} v1_hypercall_t;
#define XEN_V1_IOCTL_HYPERCALL_CMD \
_IOC(_IOC_NONE, 'P', 0, sizeof(v1_hypercall_t))
typedef v1_hypercall_t hypercall_t;
#elif define(__sun__)
typedef privcmd_hypercall_t hypercall_t;
#else
#error "unsupported platform"
#endif
#ifndef __HYPERVISOR_sysctl
#define __HYPERVISOR_sysctl 35
@ -325,6 +330,26 @@ typedef struct xen_v2s4_availheap xen_v2s4_availheap;
dominfo.v2d5.handle))
static int
lock_pages(void *addr, size_t len)
{
#ifdef __linux__
return (mlock(addr, len));
#elif define(__sun)
return (0);
#endif
}
static int
unlock_pages(void *addr, size_t len)
{
#ifdef __linux__
return (munlock(addr, len));
#elif define(__sun)
return (0);
#endif
}
struct xen_v0_getdomaininfolistop {
domid_t first_domain;
@ -632,7 +657,17 @@ typedef struct xen_op_v2_dom xen_op_v2_dom;
#include "xen_unified.h"
#include "xen_internal.h"
#define XEN_HYPERVISOR_SOCKET "/proc/xen/privcmd"
#ifdef __linux__
#define XEN_HYPERVISOR_SOCKET "/proc/xen/privcmd"
#define HYPERVISOR_CAPABILITIES "/sys/hypervisor/properties/capabilities"
#define CPUINFO "/proc/cpuinfo"
#elif define(__sun__)
#define XEN_HYPERVISOR_SOCKET "/dev/xen/privcmd"
#define HYPERVISOR_CAPABILITIES ""
#define CPUINFO "/dev/cpu/self/cpuid"
#else
#error "unsupported platform"
#endif
#ifndef PROXY
static const char * xenHypervisorGetType(virConnectPtr conn);
@ -789,7 +824,7 @@ xenHypervisorDoV0Op(int handle, xen_op_v0 * op)
hc.op = __HYPERVISOR_dom0_op;
hc.arg[0] = (unsigned long) op;
if (mlock(op, sizeof(dom0_op_t)) < 0) {
if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
return (-1);
}
@ -799,7 +834,7 @@ xenHypervisorDoV0Op(int handle, xen_op_v0 * op)
virXenError(VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
}
if (munlock(op, sizeof(dom0_op_t)) < 0) {
if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
ret = -1;
}
@ -830,7 +865,7 @@ xenHypervisorDoV1Op(int handle, xen_op_v1* op)
hc.op = __HYPERVISOR_dom0_op;
hc.arg[0] = (unsigned long) op;
if (mlock(op, sizeof(dom0_op_t)) < 0) {
if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
return (-1);
}
@ -840,7 +875,7 @@ xenHypervisorDoV1Op(int handle, xen_op_v1* op)
virXenError(VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
}
if (munlock(op, sizeof(dom0_op_t)) < 0) {
if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
ret = -1;
}
@ -872,7 +907,7 @@ xenHypervisorDoV2Sys(int handle, xen_op_v2_sys* op)
hc.op = __HYPERVISOR_sysctl;
hc.arg[0] = (unsigned long) op;
if (mlock(op, sizeof(dom0_op_t)) < 0) {
if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
return (-1);
}
@ -882,7 +917,7 @@ xenHypervisorDoV2Sys(int handle, xen_op_v2_sys* op)
virXenError(VIR_ERR_XEN_CALL, " sys ioctl ", xen_ioctl_hypercall_cmd);
}
if (munlock(op, sizeof(dom0_op_t)) < 0) {
if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
ret = -1;
}
@ -914,7 +949,7 @@ xenHypervisorDoV2Dom(int handle, xen_op_v2_dom* op)
hc.op = __HYPERVISOR_domctl;
hc.arg[0] = (unsigned long) op;
if (mlock(op, sizeof(dom0_op_t)) < 0) {
if (lock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking", sizeof(*op));
return (-1);
}
@ -924,7 +959,7 @@ xenHypervisorDoV2Dom(int handle, xen_op_v2_dom* op)
virXenError(VIR_ERR_XEN_CALL, " ioctl ", xen_ioctl_hypercall_cmd);
}
if (munlock(op, sizeof(dom0_op_t)) < 0) {
if (unlock_pages(op, sizeof(dom0_op_t)) < 0) {
virXenError(VIR_ERR_XEN_CALL, " releasing", sizeof(*op));
ret = -1;
}
@ -952,7 +987,7 @@ virXen_getdomaininfolist(int handle, int first_domain, int maxids,
{
int ret = -1;
if (mlock(XEN_GETDOMAININFOLIST_DATA(dominfos),
if (lock_pages(XEN_GETDOMAININFOLIST_DATA(dominfos),
XEN_GETDOMAININFO_SIZE * maxids) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking",
XEN_GETDOMAININFO_SIZE * maxids);
@ -1008,7 +1043,7 @@ virXen_getdomaininfolist(int handle, int first_domain, int maxids,
if (ret == 0)
ret = op.u.getdomaininfolist.num_domains;
}
if (munlock(XEN_GETDOMAININFOLIST_DATA(dominfos),
if (unlock_pages(XEN_GETDOMAININFOLIST_DATA(dominfos),
XEN_GETDOMAININFO_SIZE * maxids) < 0) {
virXenError(VIR_ERR_XEN_CALL, " release",
XEN_GETDOMAININFO_SIZE * maxids);
@ -1701,7 +1736,7 @@ virXen_setvcpumap(int handle, int id, unsigned int vcpu,
if (hypervisor_version > 1) {
xen_op_v2_dom op;
if (mlock(cpumap, maplen) < 0) {
if (lock_pages(cpumap, maplen) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking", maplen);
return (-1);
}
@ -1719,7 +1754,7 @@ virXen_setvcpumap(int handle, int id, unsigned int vcpu,
}
ret = xenHypervisorDoV2Dom(handle, &op);
if (munlock(cpumap, maplen) < 0) {
if (unlock_pages(cpumap, maplen) < 0) {
virXenError(VIR_ERR_XEN_CALL, " release", maplen);
ret = -1;
}
@ -1816,7 +1851,7 @@ virXen_getvcpusinfo(int handle, int id, unsigned int vcpu, virVcpuInfoPtr ipt,
ipt->cpu = op.u.getvcpuinfod5.online ? (int)op.u.getvcpuinfod5.cpu : -1;
}
if ((cpumap != NULL) && (maplen > 0)) {
if (mlock(cpumap, maplen) < 0) {
if (lock_pages(cpumap, maplen) < 0) {
virXenError(VIR_ERR_XEN_CALL, " locking", maplen);
return (-1);
}
@ -1834,7 +1869,7 @@ virXen_getvcpusinfo(int handle, int id, unsigned int vcpu, virVcpuInfoPtr ipt,
op.u.getvcpumapd5.cpumap.nr_cpus = maplen * 8;
}
ret = xenHypervisorDoV2Dom(handle, &op);
if (munlock(cpumap, maplen) < 0) {
if (unlock_pages(cpumap, maplen) < 0) {
virXenError(VIR_ERR_XEN_CALL, " release", maplen);
ret = -1;
}
@ -1985,6 +2020,7 @@ xenHypervisorInit(void)
goto detect_v2;
}
#ifndef __sun__
/*
* check if the old hypercall are actually working
*/
@ -2002,6 +2038,7 @@ xenHypervisorInit(void)
hypervisor_version = 0;
goto done;
}
#endif
/*
* we faild to make any hypercall

6
src/xs_internal.c
View File

@ -31,7 +31,13 @@
#include "xs_internal.h"
#include "xen_internal.h" /* for xenHypervisorCheckID */
#ifdef __linux__
#define XEN_HYPERVISOR_SOCKET "/proc/xen/privcmd"
#elif define(__sun__)
#define XEN_HYPERVISOR_SOCKET "/dev/xen/privcmd"
#else
#error "unsupported platform"
#endif
#ifndef PROXY
static char *xenStoreDomainGetOSType(virDomainPtr domain);