12680 want PCI pass-thru in bhyve

Portions contributed by: Patrick Mooney <patrick.mooney@joyent.com>
Portions contributed by: John Levon <john.levon@joyent.com>
Portions contributed by: Andy Fiddaman <omnios@citrus-it.co.uk>
Reviewed by: Patrick Mooney <pmooney@oxide.computer>
Approved by: Dan McDonald <danmcd@joyent.com>

3 files changed, 115 insertions, 1 deletions

diff --git a/usr/src/lib/libvmmapi/common/mapfile-vers b/usr/src/lib/libvmmapi/common/mapfile-vers
index a64231ad1c..397ebd7d59 100644
--- a/usr/src/lib/libvmmapi/common/mapfile-vers
+++ b/usr/src/lib/libvmmapi/common/mapfile-vers
@@ -61,6 +61,7 @@ SYMBOL_VERSION ILLUMOSprivate {
 		vm_get_lowmem_size;
 		vm_get_memflags;
 		vm_get_memseg;
+		vm_get_pptdev_limits;
 		vm_get_register;
 		vm_get_register_set;
 		vm_get_seg_desc;
diff --git a/usr/src/lib/libvmmapi/common/vmmapi.c b/usr/src/lib/libvmmapi/common/vmmapi.c
index 0b9b871081..ceac495746 100644
--- a/usr/src/lib/libvmmapi/common/vmmapi.c
+++ b/usr/src/lib/libvmmapi/common/vmmapi.c
@@ -995,6 +995,7 @@ vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap, int val)
 	return (ioctl(ctx->fd, VM_SET_CAPABILITY, &vmcap));
 }
 
+#ifdef __FreeBSD__
 int
 vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func)
 {
@@ -1056,7 +1057,7 @@ vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
 	return (ioctl(ctx->fd, VM_PPTDEV_MSI, &pptmsi));
 }
 
-int	
+int
 vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
     int idx, uint64_t addr, uint64_t msg, uint32_t vector_control)
 {
@@ -1075,6 +1076,103 @@ vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
 	return ioctl(ctx->fd, VM_PPTDEV_MSIX, &pptmsix);
 }
 
+int
+vm_get_pptdev_limits(struct vmctx *ctx, int bus, int slot, int func,
+    int *msi_limit, int *msix_limit)
+{
+	struct vm_pptdev_limits pptlimits;
+	int error;
+
+	bzero(&pptlimits, sizeof (pptlimits));
+	pptlimits.bus = bus;
+	pptlimits.slot = slot;
+	pptlimits.func = func;
+
+	error = ioctl(ctx->fd, VM_GET_PPTDEV_LIMITS, &pptlimits);
+
+	*msi_limit = pptlimits.msi_limit;
+	*msix_limit = pptlimits.msix_limit;
+
+	return (error);
+}
+#else /* __FreeBSD__ */
+int
+vm_assign_pptdev(struct vmctx *ctx, int pptfd)
+{
+	struct vm_pptdev pptdev;
+
+	pptdev.pptfd = pptfd;
+	return (ioctl(ctx->fd, VM_BIND_PPTDEV, &pptdev));
+}
+
+int
+vm_unassign_pptdev(struct vmctx *ctx, int pptfd)
+{
+	struct vm_pptdev pptdev;
+
+	pptdev.pptfd = pptfd;
+	return (ioctl(ctx->fd, VM_UNBIND_PPTDEV, &pptdev));
+}
+
+int
+vm_map_pptdev_mmio(struct vmctx *ctx, int pptfd, vm_paddr_t gpa, size_t len,
+    vm_paddr_t hpa)
+{
+	struct vm_pptdev_mmio pptmmio;
+
+	pptmmio.pptfd = pptfd;
+	pptmmio.gpa = gpa;
+	pptmmio.len = len;
+	pptmmio.hpa = hpa;
+	return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio));
+}
+
+int
+vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int pptfd, uint64_t addr,
+    uint64_t msg, int numvec)
+{
+	struct vm_pptdev_msi pptmsi;
+
+	pptmsi.vcpu = vcpu;
+	pptmsi.pptfd = pptfd;
+	pptmsi.msg = msg;
+	pptmsi.addr = addr;
+	pptmsi.numvec = numvec;
+	return (ioctl(ctx->fd, VM_PPTDEV_MSI, &pptmsi));
+}
+
+int
+vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int pptfd, int idx,
+    uint64_t addr, uint64_t msg, uint32_t vector_control)
+{
+	struct vm_pptdev_msix pptmsix;
+
+	pptmsix.vcpu = vcpu;
+	pptmsix.pptfd = pptfd;
+	pptmsix.idx = idx;
+	pptmsix.msg = msg;
+	pptmsix.addr = addr;
+	pptmsix.vector_control = vector_control;
+	return ioctl(ctx->fd, VM_PPTDEV_MSIX, &pptmsix);
+}
+
+int
+vm_get_pptdev_limits(struct vmctx *ctx, int pptfd, int *msi_limit,
+    int *msix_limit)
+{
+	struct vm_pptdev_limits pptlimits;
+	int error;
+
+	bzero(&pptlimits, sizeof (pptlimits));
+	pptlimits.pptfd = pptfd;
+	error = ioctl(ctx->fd, VM_GET_PPTDEV_LIMITS, &pptlimits);
+
+	*msi_limit = pptlimits.msi_limit;
+	*msix_limit = pptlimits.msix_limit;
+	return (error);
+}
+#endif /* __FreeBSD__ */
+
 uint64_t *
 vm_get_stats(struct vmctx *ctx, int vcpu, struct timeval *ret_tv,
 	     int *ret_entries)
diff --git a/usr/src/lib/libvmmapi/common/vmmapi.h b/usr/src/lib/libvmmapi/common/vmmapi.h
index a1507255cb..1b08a9cae5 100644
--- a/usr/src/lib/libvmmapi/common/vmmapi.h
+++ b/usr/src/lib/libvmmapi/common/vmmapi.h
@@ -177,6 +177,7 @@ int	vm_get_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
 			  int *retval);
 int	vm_set_capability(struct vmctx *ctx, int vcpu, enum vm_cap_type cap,
 			  int val);
+#ifdef __FreeBSD__
 int	vm_assign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
 int	vm_unassign_pptdev(struct vmctx *ctx, int bus, int slot, int func);
 int	vm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
@@ -186,6 +187,20 @@ int	vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot,
 int	vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int bus, int slot,
 	    int func, int idx, uint64_t addr, uint64_t msg,
 	    uint32_t vector_control);
+int	vm_get_pptdev_limits(struct vmctx *ctx, int bus, int slot, int func,
+    int *msi_limit, int *msix_limit);
+#else /* __FreeBSD__ */
+int	vm_assign_pptdev(struct vmctx *ctx, int pptfd);
+int	vm_unassign_pptdev(struct vmctx *ctx, int pptfd);
+int	vm_map_pptdev_mmio(struct vmctx *ctx, int pptfd, vm_paddr_t gpa,
+    size_t len, vm_paddr_t hpa);
+int	vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int pptfd,
+    uint64_t addr, uint64_t msg, int numvec);
+int	vm_setup_pptdev_msix(struct vmctx *ctx, int vcpu, int pptfd,
+    int idx, uint64_t addr, uint64_t msg, uint32_t vector_control);
+int	vm_get_pptdev_limits(struct vmctx *ctx, int pptfd, int *msi_limit,
+    int *msix_limit);
+#endif /* __FreeBSD__ */
 
 int	vm_get_intinfo(struct vmctx *ctx, int vcpu, uint64_t *i1, uint64_t *i2);
 int	vm_set_intinfo(struct vmctx *ctx, int vcpu, uint64_t exit_intinfo);