git: af081ec6f7cf - main - powerpc powermac: Use bus_generic_rman_*
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Date: Tue, 23 Jan 2024 17:45:57 UTC
The branch main has been updated by jhb:
URL: https://cgit.FreeBSD.org/src/commit/?id=af081ec6f7cf4b764a1b417135440cf05cf1a174
commit af081ec6f7cf4b764a1b417135440cf05cf1a174
Author: John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2024-01-23 17:36:49 +0000
Commit: John Baldwin <jhb@FreeBSD.org>
CommitDate: 2024-01-23 17:36:49 +0000
powerpc powermac: Use bus_generic_rman_*
Implement bus_map/unmap_resource and add bus_get_rman for use by
bus_generic_rman_*.
Reviewed by: imp, jhibbits
Differential Revision: https://reviews.freebsd.org/D43435
---
sys/powerpc/powermac/macio.c | 197 ++++++++++++++++++++++++++-------------
sys/powerpc/powermac/uninorth.c | 200 ++++++++++++++++++++++++++--------------
2 files changed, 264 insertions(+), 133 deletions(-)
diff --git a/sys/powerpc/powermac/macio.c b/sys/powerpc/powermac/macio.c
index 76ae844e50fe..f6ad815064e8 100644
--- a/sys/powerpc/powermac/macio.c
+++ b/sys/powerpc/powermac/macio.c
@@ -80,15 +80,23 @@ static int macio_probe(device_t);
static int macio_attach(device_t);
static int macio_print_child(device_t dev, device_t child);
static void macio_probe_nomatch(device_t, device_t);
+static struct rman *macio_get_rman(device_t, int, u_int);
static struct resource *macio_alloc_resource(device_t, device_t, int, int *,
rman_res_t, rman_res_t, rman_res_t,
u_int);
+static int macio_adjust_resource(device_t, device_t, int, struct resource *,
+ rman_res_t, rman_res_t);
static int macio_activate_resource(device_t, device_t, int, int,
struct resource *);
static int macio_deactivate_resource(device_t, device_t, int, int,
struct resource *);
static int macio_release_resource(device_t, device_t, int, int,
struct resource *);
+static int macio_map_resource(device_t, device_t, int, struct resource *,
+ struct resource_map_request *,
+ struct resource_map *);
+static int macio_unmap_resource(device_t, device_t, int, struct resource *,
+ struct resource_map *);
static struct resource_list *macio_get_resource_list (device_t, device_t);
static ofw_bus_get_devinfo_t macio_get_devinfo;
#if !defined(__powerpc64__) && defined(SMP)
@@ -113,10 +121,14 @@ static device_method_t macio_methods[] = {
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
+ DEVMETHOD(bus_get_rman, macio_get_rman),
DEVMETHOD(bus_alloc_resource, macio_alloc_resource),
+ DEVMETHOD(bus_adjust_resource, macio_adjust_resource),
DEVMETHOD(bus_release_resource, macio_release_resource),
DEVMETHOD(bus_activate_resource, macio_activate_resource),
DEVMETHOD(bus_deactivate_resource, macio_deactivate_resource),
+ DEVMETHOD(bus_map_resource, macio_map_resource),
+ DEVMETHOD(bus_unmap_resource, macio_unmap_resource),
DEVMETHOD(bus_get_resource_list, macio_get_resource_list),
DEVMETHOD(bus_child_pnpinfo, ofw_bus_gen_child_pnpinfo),
@@ -495,25 +507,32 @@ macio_probe_nomatch(device_t dev, device_t child)
}
}
+static struct rman *
+macio_get_rman(device_t bus, int type, u_int flags)
+{
+ struct macio_softc *sc;
+
+ sc = device_get_softc(bus);
+ switch (type) {
+ case SYS_RES_MEMORY:
+ case SYS_RES_IOPORT:
+ return (&sc->sc_mem_rman);
+ default:
+ return (NULL);
+ }
+}
+
static struct resource *
macio_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count,
u_int flags)
{
- struct macio_softc *sc;
- int needactivate;
- struct resource *rv;
- struct rman *rm;
- u_long adjstart, adjend, adjcount;
+ rman_res_t adjstart, adjend, adjcount;
struct macio_devinfo *dinfo;
struct resource_list_entry *rle;
- sc = device_get_softc(bus);
dinfo = device_get_ivars(child);
- needactivate = flags & RF_ACTIVE;
- flags &= ~RF_ACTIVE;
-
switch (type) {
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
@@ -541,8 +560,8 @@ macio_alloc_resource(device_t bus, device_t child, int type, int *rid,
adjcount = adjend - adjstart;
- rm = &sc->sc_mem_rman;
- break;
+ return (bus_generic_rman_alloc_resource(bus, child, type, rid,
+ adjstart, adjend, adjcount, flags));
case SYS_RES_IRQ:
/* Check for passthrough from subattachments like macgpio */
@@ -574,84 +593,134 @@ macio_alloc_resource(device_t bus, device_t child, int type, int *rid,
device_get_nameunit(child));
return (NULL);
}
+}
- rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags,
- child);
- if (rv == NULL) {
- device_printf(bus,
- "failed to reserve resource %#lx - %#lx (%#lx) for %s\n",
- adjstart, adjend, adjcount, device_get_nameunit(child));
- return (NULL);
+static int
+macio_adjust_resource(device_t bus, device_t child, int type,
+ struct resource *r, rman_res_t start, rman_res_t end)
+{
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_adjust_resource(bus, child, type, r,
+ start, end));
+ case SYS_RES_IRQ:
+ return (bus_generic_adjust_resource(bus, child, type, r, start,
+ end));
+ default:
+ return (EINVAL);
}
-
- rman_set_rid(rv, *rid);
-
- if (needactivate) {
- if (bus_activate_resource(child, type, *rid, rv) != 0) {
- device_printf(bus,
- "failed to activate resource for %s\n",
- device_get_nameunit(child));
- rman_release_resource(rv);
- return (NULL);
- }
- }
-
- return (rv);
}
static int
macio_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
- if (rman_get_flags(res) & RF_ACTIVE) {
- int error = bus_deactivate_resource(child, type, rid, res);
- if (error)
- return error;
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_release_resource(bus, child, type, rid,
+ res));
+ case SYS_RES_IRQ:
+ return (bus_generic_rl_release_resource(bus, child, type, rid,
+ res));
+ default:
+ return (EINVAL);
}
-
- return (rman_release_resource(res));
}
static int
macio_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
- struct macio_softc *sc;
- void *p;
-
- sc = device_get_softc(bus);
-
- if (type == SYS_RES_IRQ)
- return (bus_activate_resource(bus, type, rid, res));
-
- if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
- p = pmap_mapdev((vm_paddr_t)rman_get_start(res) + sc->sc_base,
- (vm_size_t)rman_get_size(res));
- if (p == NULL)
- return (ENOMEM);
- rman_set_virtual(res, p);
- rman_set_bustag(res, &bs_le_tag);
- rman_set_bushandle(res, (u_long)p);
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_activate_resource(bus, child, type,
+ rid, res));
+ case SYS_RES_IRQ:
+ return (bus_generic_activate_resource(bus, child, type, rid,
+ res));
+ default:
+ return (EINVAL);
}
-
- return (rman_activate_resource(res));
}
static int
macio_deactivate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
- /*
- * If this is a memory resource, unmap it.
- */
- if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
- u_int32_t psize;
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_deactivate_resource(bus, child, type,
+ rid, res));
+ case SYS_RES_IRQ:
+ return (bus_generic_deactivate_resource(bus, child, type, rid,
+ res));
+ default:
+ return (EINVAL);
+ }
+}
+
+static int
+macio_map_resource(device_t bus, device_t child, int type,
+ struct resource *r, struct resource_map_request *argsp,
+ struct resource_map *map)
+{
+ struct resource_map_request args;
+ struct macio_softc *sc;
+ rman_res_t length, start;
+ int error;
+
+ /* Resources must be active to be mapped. */
+ if (!(rman_get_flags(r) & RF_ACTIVE))
+ return (ENXIO);
- psize = rman_get_size(res);
- pmap_unmapdev(rman_get_virtual(res), psize);
+ /* Mappings are only supported on I/O and memory resources. */
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ break;
+ default:
+ return (EINVAL);
}
- return (rman_deactivate_resource(res));
+ resource_init_map_request(&args);
+ error = resource_validate_map_request(r, argsp, &args, &start, &length);
+ if (error)
+ return (error);
+
+ if (bootverbose)
+ printf("nexus mapdev: start %jx, len %jd\n",
+ (uintmax_t)start, (uintmax_t)length);
+
+ sc = device_get_softc(bus);
+ map->r_vaddr = pmap_mapdev_attr((vm_paddr_t)start + sc->sc_base,
+ length, args.memattr);
+ if (map->r_vaddr == NULL)
+ return (ENOMEM);
+ map->r_bustag = &bs_le_tag;
+ map->r_bushandle = (bus_space_handle_t)map->r_vaddr;
+ return (0);
+}
+
+static int
+macio_unmap_resource(device_t bus, device_t child, int type,
+ struct resource *r, struct resource_map *map)
+{
+ /*
+ * If this is a memory resource, unmap it.
+ */
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ pmap_unmapdev(map->r_vaddr, map->r_size);
+ break;
+ default:
+ return (EINVAL);
+ }
+ return (0);
}
static struct resource_list *
diff --git a/sys/powerpc/powermac/uninorth.c b/sys/powerpc/powermac/uninorth.c
index 1e22e0f92855..b64bbc8ade62 100644
--- a/sys/powerpc/powermac/uninorth.c
+++ b/sys/powerpc/powermac/uninorth.c
@@ -71,13 +71,22 @@ static int unin_chip_attach(device_t);
*/
static int unin_chip_print_child(device_t dev, device_t child);
static void unin_chip_probe_nomatch(device_t, device_t);
+static struct rman *unin_chip_get_rman(device_t, int, u_int);
static struct resource *unin_chip_alloc_resource(device_t, device_t, int, int *,
rman_res_t, rman_res_t,
rman_res_t, u_int);
+static int unin_chip_adjust_resource(device_t, device_t, int,
+ struct resource *, rman_res_t,
+ rman_res_t);
static int unin_chip_activate_resource(device_t, device_t, int, int,
struct resource *);
static int unin_chip_deactivate_resource(device_t, device_t, int, int,
struct resource *);
+static int unin_chip_map_resource(device_t, device_t, int, struct resource *,
+ struct resource_map_request *,
+ struct resource_map *);
+static int unin_chip_unmap_resource(device_t, device_t, int, struct resource *,
+ struct resource_map *);
static int unin_chip_release_resource(device_t, device_t, int, int,
struct resource *);
static struct resource_list *unin_chip_get_resource_list (device_t, device_t);
@@ -109,10 +118,14 @@ static device_method_t unin_chip_methods[] = {
DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
+ DEVMETHOD(bus_get_rman, unin_chip_get_rman),
DEVMETHOD(bus_alloc_resource, unin_chip_alloc_resource),
+ DEVMETHOD(bus_adjust_resource, unin_chip_adjust_resource),
DEVMETHOD(bus_release_resource, unin_chip_release_resource),
DEVMETHOD(bus_activate_resource, unin_chip_activate_resource),
DEVMETHOD(bus_deactivate_resource, unin_chip_deactivate_resource),
+ DEVMETHOD(bus_map_resource, unin_chip_map_resource),
+ DEVMETHOD(bus_unmap_resource, unin_chip_unmap_resource),
DEVMETHOD(bus_get_resource_list, unin_chip_get_resource_list),
DEVMETHOD(bus_child_pnpinfo, ofw_bus_gen_child_pnpinfo),
@@ -449,25 +462,32 @@ unin_chip_probe_nomatch(device_t dev, device_t child)
}
}
+static struct rman *
+unin_chip_get_rman(device_t bus, int type, u_int flags)
+{
+ struct unin_chip_softc *sc;
+
+ sc = device_get_softc(bus);
+ switch (type) {
+ case SYS_RES_MEMORY:
+ case SYS_RES_IOPORT:
+ return (&sc->sc_mem_rman);
+ default:
+ return (NULL);
+ }
+}
+
static struct resource *
unin_chip_alloc_resource(device_t bus, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count,
u_int flags)
{
- struct unin_chip_softc *sc;
- int needactivate;
- struct resource *rv;
- struct rman *rm;
- u_long adjstart, adjend, adjcount;
+ rman_res_t adjstart, adjend, adjcount;
struct unin_chip_devinfo *dinfo;
struct resource_list_entry *rle;
- sc = device_get_softc(bus);
dinfo = device_get_ivars(child);
- needactivate = flags & RF_ACTIVE;
- flags &= ~RF_ACTIVE;
-
switch (type) {
case SYS_RES_MEMORY:
case SYS_RES_IOPORT:
@@ -497,9 +517,8 @@ unin_chip_alloc_resource(device_t bus, device_t child, int type, int *rid,
adjcount = adjend - adjstart;
- rm = &sc->sc_mem_rman;
- break;
-
+ return (bus_generic_rman_alloc_resource(bus, child,
+ SYS_RES_MEMORY, rid, adjstart, adjend, adjcount, flags));
case SYS_RES_IRQ:
/* Check for passthrough from subattachments. */
if (device_get_parent(child) != bus)
@@ -532,89 +551,132 @@ unin_chip_alloc_resource(device_t bus, device_t child, int type, int *rid,
device_get_nameunit(child));
return (NULL);
}
+}
- rv = rman_reserve_resource(rm, adjstart, adjend, adjcount, flags,
- child);
- if (rv == NULL) {
- device_printf(bus,
- "failed to reserve resource %#lx - %#lx (%#lx)"
- " for %s\n", adjstart, adjend, adjcount,
- device_get_nameunit(child));
- return (NULL);
+static int
+unin_chip_adjust_resource(device_t bus, device_t child, int type,
+ struct resource *r, rman_res_t start, rman_res_t end)
+{
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_adjust_resource(bus, child, type, r,
+ start, end));
+ case SYS_RES_IRQ:
+ return (bus_generic_adjust_resource(bus, child, type, r, start,
+ end));
+ default:
+ return (EINVAL);
}
-
- rman_set_rid(rv, *rid);
-
- if (needactivate) {
- if (bus_activate_resource(child, type, *rid, rv) != 0) {
- device_printf(bus,
- "failed to activate resource for %s\n",
- device_get_nameunit(child));
- rman_release_resource(rv);
- return (NULL);
- }
- }
-
- return (rv);
}
static int
unin_chip_release_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
- if (rman_get_flags(res) & RF_ACTIVE) {
- int error = bus_deactivate_resource(child, type, rid, res);
- if (error)
- return error;
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_release_resource(bus, child, type, rid,
+ res));
+ case SYS_RES_IRQ:
+ return (bus_generic_rl_release_resource(bus, child, type, rid,
+ res));
+ default:
+ return (EINVAL);
}
-
- return (rman_release_resource(res));
}
static int
unin_chip_activate_resource(device_t bus, device_t child, int type, int rid,
struct resource *res)
{
- void *p;
-
- if (type == SYS_RES_IRQ)
- return (bus_activate_resource(bus, type, rid, res));
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_activate_resource(bus, child, type,
+ rid, res));
+ case SYS_RES_IRQ:
+ return (bus_generic_activate_resource(bus, child, type, rid,
+ res));
+ default:
+ return (EINVAL);
+ }
+}
- if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
- vm_offset_t start;
+static int
+unin_chip_deactivate_resource(device_t bus, device_t child, int type, int rid,
+ struct resource *res)
+{
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ return (bus_generic_rman_deactivate_resource(bus, child, type,
+ rid, res));
+ case SYS_RES_IRQ:
+ return (bus_generic_deactivate_resource(bus, child, type, rid,
+ res));
+ default:
+ return (EINVAL);
+ }
+}
- start = (vm_offset_t) rman_get_start(res);
+static int
+unin_chip_map_resource(device_t bus, device_t child, int type,
+ struct resource *r, struct resource_map_request *argsp,
+ struct resource_map *map)
+{
+ struct resource_map_request args;
+ rman_res_t length, start;
+ int error;
- if (bootverbose)
- printf("unin mapdev: start %zx, len %jd\n", start,
- rman_get_size(res));
+ /* Resources must be active to be mapped. */
+ if (!(rman_get_flags(r) & RF_ACTIVE))
+ return (ENXIO);
- p = pmap_mapdev(start, (vm_size_t) rman_get_size(res));
- if (p == NULL)
- return (ENOMEM);
- rman_set_virtual(res, p);
- rman_set_bustag(res, &bs_be_tag);
- rman_set_bushandle(res, (u_long)p);
+ /* Mappings are only supported on I/O and memory resources. */
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ break;
+ default:
+ return (EINVAL);
}
- return (rman_activate_resource(res));
+ resource_init_map_request(&args);
+ error = resource_validate_map_request(r, argsp, &args, &start, &length);
+ if (error)
+ return (error);
+
+ if (bootverbose)
+ printf("nexus mapdev: start %jx, len %jd\n",
+ (uintmax_t)start, (uintmax_t)length);
+
+ map->r_vaddr = pmap_mapdev_attr(start, length, args.memattr);
+ if (map->r_vaddr == NULL)
+ return (ENOMEM);
+ map->r_bustag = &bs_be_tag;
+ map->r_size = length;
+ map->r_bushandle = (bus_space_handle_t)map->r_vaddr;
+ return (0);
}
static int
-unin_chip_deactivate_resource(device_t bus, device_t child, int type, int rid,
- struct resource *res)
+unin_chip_unmap_resource(device_t bus, device_t child, int type,
+ struct resource *r, struct resource_map *map)
{
- /*
- * If this is a memory resource, unmap it.
- */
- if ((type == SYS_RES_MEMORY) || (type == SYS_RES_IOPORT)) {
- u_int32_t psize;
-
- psize = rman_get_size(res);
- pmap_unmapdev(rman_get_virtual(res), psize);
+ /*
+ * If this is a memory resource, unmap it.
+ */
+ switch (type) {
+ case SYS_RES_IOPORT:
+ case SYS_RES_MEMORY:
+ pmap_unmapdev(map->r_vaddr, map->r_size);
+ break;
+ default:
+ return (EINVAL);
}
-
- return (rman_deactivate_resource(res));
+ return (0);
}
static struct resource_list *