[PATCH 03/16] initialize vcpu
this patch initializes the first vcpu in the initialize() routing,
which is responsible for starting the process of putting the guest up.
right now, as much of the fields are still not per-vcpu, it does not
do much.
Signed-off-by: Glauber de Oliveira Costa <[EMAIL PROTECTED]>
---
drivers/lguest/lguest_user.c | 20
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 3b92a61..34be8e7 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -88,6 +88,20 @@ static ssize_t read(struct file *file, char __user *user,
size_t size,loff_t*o)
return run_guest(lg, (unsigned long __user *)user);
}
+static int vcpu_start(struct lg_vcpu *vcpu, int vcpu_id,
+ unsigned long start_ip)
+{
+ if (vcpu_id > NR_CPUS)
+ return -EINVAL;
+
+ vcpu->vcpu_id = vcpu_id;
+
+ vcpu->lg = container_of((vcpu - vcpu_id), struct lguest, vcpus[0]);
+ vcpu->lg->nr_vcpus++;
+
+ return 0;
+}
+
/*L:020 The initialization write supplies 4 pointer sized (32 or 64 bit)
* values (in addition to the LHREQ_INITIALIZE value). These are:
*
@@ -134,6 +148,12 @@ static int initialize(struct file *file, const unsigned
long __user *input)
lg->mem_base = (void __user *)(long)args[0];
lg->pfn_limit = args[1];
+ /* This is the first cpu */
+ lg->nr_vcpus = 0;
+ err = vcpu_start(>vcpus[0], 0, args[3]);
+ if (err)
+ goto release_guest;
+
/* We need a complete page for the Guest registers: they are accessible
* to the Guest and we can only grant it access to whole pages. */
lg->regs_page = get_zeroed_page(GFP_KERNEL);
--
1.5.0.6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[PATCH 03/16] initialize vcpu
this patch initializes the first vcpu in the initialize() routing,
which is responsible for starting the process of putting the guest up.
right now, as much of the fields are still not per-vcpu, it does not
do much.
Signed-off-by: Glauber de Oliveira Costa [EMAIL PROTECTED]
---
drivers/lguest/lguest_user.c | 20
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 3b92a61..34be8e7 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -88,6 +88,20 @@ static ssize_t read(struct file *file, char __user *user,
size_t size,loff_t*o)
return run_guest(lg, (unsigned long __user *)user);
}
+static int vcpu_start(struct lg_vcpu *vcpu, int vcpu_id,
+ unsigned long start_ip)
+{
+ if (vcpu_id NR_CPUS)
+ return -EINVAL;
+
+ vcpu-vcpu_id = vcpu_id;
+
+ vcpu-lg = container_of((vcpu - vcpu_id), struct lguest, vcpus[0]);
+ vcpu-lg-nr_vcpus++;
+
+ return 0;
+}
+
/*L:020 The initialization write supplies 4 pointer sized (32 or 64 bit)
* values (in addition to the LHREQ_INITIALIZE value). These are:
*
@@ -134,6 +148,12 @@ static int initialize(struct file *file, const unsigned
long __user *input)
lg-mem_base = (void __user *)(long)args[0];
lg-pfn_limit = args[1];
+ /* This is the first cpu */
+ lg-nr_vcpus = 0;
+ err = vcpu_start(lg-vcpus[0], 0, args[3]);
+ if (err)
+ goto release_guest;
+
/* We need a complete page for the Guest registers: they are accessible
* to the Guest and we can only grant it access to whole pages. */
lg-regs_page = get_zeroed_page(GFP_KERNEL);
--
1.5.0.6
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[PATCH 03/16] initialize vcpu
this patch initializes the first vcpu in the initialize() routing,
which is responsible for starting the process of putting the guest up.
right now, as much of the fields are still not per-vcpu, it does not
do much.
Signed-off-by: Glauber de Oliveira Costa <[EMAIL PROTECTED]>
---
drivers/lguest/lguest_user.c | 17 +
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 3b92a61..d1b1c26 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -88,6 +88,17 @@ static ssize_t read(struct file *file, char __user *user,
size_t size,loff_t*o)
return run_guest(lg, (unsigned long __user *)user);
}
+static int vcpu_start(struct lguest_vcpu *vcpu, int vcpu_id,
+ unsigned long start_ip)
+{
+ vcpu->vcpu_id = vcpu_id;
+
+ vcpu->lg = container_of((vcpu - vcpu_id), struct lguest, vcpus[0]);
+ vcpu->lg->nr_vcpus++;
+
+ return 0;
+}
+
/*L:020 The initialization write supplies 4 pointer sized (32 or 64 bit)
* values (in addition to the LHREQ_INITIALIZE value). These are:
*
@@ -134,6 +145,12 @@ static int initialize(struct file *file, const unsigned
long __user *input)
lg->mem_base = (void __user *)(long)args[0];
lg->pfn_limit = args[1];
+ /* This is the first cpu */
+ lg->nr_vcpus = 0;
+ err = vcpu_start(>vcpus[0], 0, args[3]);
+ if (err)
+ goto release_guest;
+
/* We need a complete page for the Guest registers: they are accessible
* to the Guest and we can only grant it access to whole pages. */
lg->regs_page = get_zeroed_page(GFP_KERNEL);
--
1.5.0.6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[PATCH 03/16] initialize vcpu
this patch initializes the first vcpu in the initialize() routing,
which is responsible for starting the process of putting the guest up.
right now, as much of the fields are still not per-vcpu, it does not
do much.
Signed-off-by: Glauber de Oliveira Costa [EMAIL PROTECTED]
---
drivers/lguest/lguest_user.c | 17 +
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c
index 3b92a61..d1b1c26 100644
--- a/drivers/lguest/lguest_user.c
+++ b/drivers/lguest/lguest_user.c
@@ -88,6 +88,17 @@ static ssize_t read(struct file *file, char __user *user,
size_t size,loff_t*o)
return run_guest(lg, (unsigned long __user *)user);
}
+static int vcpu_start(struct lguest_vcpu *vcpu, int vcpu_id,
+ unsigned long start_ip)
+{
+ vcpu-vcpu_id = vcpu_id;
+
+ vcpu-lg = container_of((vcpu - vcpu_id), struct lguest, vcpus[0]);
+ vcpu-lg-nr_vcpus++;
+
+ return 0;
+}
+
/*L:020 The initialization write supplies 4 pointer sized (32 or 64 bit)
* values (in addition to the LHREQ_INITIALIZE value). These are:
*
@@ -134,6 +145,12 @@ static int initialize(struct file *file, const unsigned
long __user *input)
lg-mem_base = (void __user *)(long)args[0];
lg-pfn_limit = args[1];
+ /* This is the first cpu */
+ lg-nr_vcpus = 0;
+ err = vcpu_start(lg-vcpus[0], 0, args[3]);
+ if (err)
+ goto release_guest;
+
/* We need a complete page for the Guest registers: they are accessible
* to the Guest and we can only grant it access to whole pages. */
lg-regs_page = get_zeroed_page(GFP_KERNEL);
--
1.5.0.6
--
To unsubscribe from this list: send the line unsubscribe linux-kernel in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
