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Fix up the COMPAT_FREEBSD32 ioctl logic for mps(4).

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Reviewed by:	ken
This commit is contained in:
Matthew D Fleming 2010-10-11 21:26:24 +00:00
parent e0f0e66dfe
commit 5ef9804274
2 changed files with 199 additions and 116 deletions
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40
sys/dev/mps/mps_ioctl.h
View File

@ -103,44 +103,4 @@ struct mps_usr_command {
#define MPSIO_RAID_ACTION _IOWR('M', 205, struct mps_raid_action)
#define MPSIO_MPS_COMMAND _IOWR('M', 210, struct mps_usr_command)
#if defined(__amd64__)
struct mps_cfg_page_req32 {
MPI2_CONFIG_PAGE_HEADER header;
uint32_t page_address;
uint32_t buf;
int len;
uint16_t ioc_status;
};
struct mps_ext_cfg_page_req32 {
MPI2_CONFIG_EXTENDED_PAGE_HEADER header;
uint32_t page_address;
uint32_t buf;
int len;
uint16_t ioc_status;
};
struct mps_raid_action32 {
uint8_t action;
uint8_t volume_bus;
uint8_t volume_id;
uint8_t phys_disk_num;
uint32_t action_data_word;
uint32_t buf;
int len;
uint32_t volume_status;
uint32_t action_data[4];
uint16_t action_status;
uint16_t ioc_status;
uint8_t write;
};
#define MPSIO_READ_CFG_HEADER32 _IOWR('M', 100, struct mps_cfg_page_req32)
#define MPSIO_READ_CFG_PAGE32 _IOWR('M', 101, struct mps_cfg_page_req32)
#define MPSIO_READ_EXT_CFG_HEADER32 _IOWR('M', 102, struct mps_ext_cfg_page_req32)
#define MPSIO_READ_EXT_CFG_PAGE32 _IOWR('M', 103, struct mps_ext_cfg_page_req32)
#define MPSIO_WRITE_CFG_PAGE32 _IOWR('M', 104, struct mps_cfg_page_req32)
#define MPSIO_RAID_ACTION32 _IOWR('M', 105, struct mps_raid_action32)
#endif
#endif /* !_MPS_IOCTL_H_ */

275
sys/dev/mps/mps_user.c
View File

@ -33,6 +33,8 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
@ -47,6 +49,8 @@ __FBSDID("$FreeBSD$");
#include <sys/sysctl.h>
#include <sys/ioccom.h>
#include <sys/endian.h>
#include <sys/proc.h>
#include <sys/sysent.h>
#include <machine/bus.h>
#include <machine/resource.h>
@ -64,14 +68,14 @@ __FBSDID("$FreeBSD$");
static d_open_t mps_open;
static d_close_t mps_close;
static d_ioctl_t mps_ioctl;
static d_ioctl_t mps_ioctl_devsw;
static struct cdevsw mps_cdevsw = {
.d_version = D_VERSION,
.d_flags = 0,
.d_open = mps_open,
.d_close = mps_close,
.d_ioctl = mps_ioctl,
.d_ioctl = mps_ioctl_devsw,
.d_name = "mps",
};
@ -424,25 +428,14 @@ mps_user_command(struct mps_softc *sc, struct mps_usr_command *cmd)
return err;
}
#ifdef __amd64__
#define PTRIN(p) ((void *)(uintptr_t)(p))
#define PTROUT(v) ((u_int32_t)(uintptr_t)(v))
#endif
static int
mps_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag,
mps_ioctl(struct cdev *dev, u_long cmd, void *arg, int flag,
struct thread *td)
{
struct mps_softc *sc;
struct mps_cfg_page_req *page_req;
struct mps_ext_cfg_page_req *ext_page_req;
void *mps_page;
#ifdef __amd64__
struct mps_cfg_page_req32 *page_req32;
struct mps_cfg_page_req page_req_swab;
struct mps_ext_cfg_page_req32 *ext_page_req32;
struct mps_ext_cfg_page_req ext_page_req_swab;
#endif
int error;
mps_page = NULL;
@ -450,47 +443,12 @@ mps_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag,
page_req = (void *)arg;
ext_page_req = (void *)arg;
#ifdef __amd64__
/* Convert 32-bit structs to native ones. */
page_req32 = (void *)arg;
ext_page_req32 = (void *)arg;
switch (cmd) {
case MPSIO_READ_CFG_HEADER32:
case MPSIO_READ_CFG_PAGE32:
case MPSIO_WRITE_CFG_PAGE32:
page_req = &page_req_swab;
page_req->header = page_req32->header;
page_req->page_address = page_req32->page_address;
page_req->buf = PTRIN(page_req32->buf);
page_req->len = page_req32->len;
page_req->ioc_status = page_req32->ioc_status;
break;
case MPSIO_READ_EXT_CFG_HEADER32:
case MPSIO_READ_EXT_CFG_PAGE32:
ext_page_req = &ext_page_req_swab;
ext_page_req->header = ext_page_req32->header;
ext_page_req->page_address = ext_page_req32->page_address;
ext_page_req->buf = PTRIN(ext_page_req32->buf);
ext_page_req->len = ext_page_req32->len;
ext_page_req->ioc_status = ext_page_req32->ioc_status;
break;
default:
return (ENOIOCTL);
}
#endif
switch (cmd) {
#ifdef __amd64__
case MPSIO_READ_CFG_HEADER32:
#endif
case MPSIO_READ_CFG_HEADER:
mps_lock(sc);
error = mps_user_read_cfg_header(sc, page_req);
mps_unlock(sc);
break;
#ifdef __amd64__
case MPSIO_READ_CFG_PAGE32:
#endif
case MPSIO_READ_CFG_PAGE:
mps_page = malloc(page_req->len, M_MPSUSER, M_WAITOK | M_ZERO);
error = copyin(page_req->buf, mps_page,
@ -504,17 +462,11 @@ mps_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag,
break;
error = copyout(mps_page, page_req->buf, page_req->len);
break;
#ifdef __amd64__
case MPSIO_READ_EXT_CFG_HEADER32:
#endif
case MPSIO_READ_EXT_CFG_HEADER:
mps_lock(sc);
error = mps_user_read_extcfg_header(sc, ext_page_req);
mps_unlock(sc);
break;
#ifdef __amd64__
case MPSIO_READ_EXT_CFG_PAGE32:
#endif
case MPSIO_READ_EXT_CFG_PAGE:
mps_page = malloc(ext_page_req->len, M_MPSUSER, M_WAITOK|M_ZERO);
error = copyin(ext_page_req->buf, mps_page,
@ -528,9 +480,6 @@ mps_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag,
break;
error = copyout(mps_page, ext_page_req->buf, ext_page_req->len);
break;
#ifdef __amd64__
case MPSIO_WRITE_CFG_PAGE32:
#endif
case MPSIO_WRITE_CFG_PAGE:
mps_page = malloc(page_req->len, M_MPSUSER, M_WAITOK|M_ZERO);
error = copyin(page_req->buf, mps_page, page_req->len);
@ -551,33 +500,207 @@ mps_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int flag,
if (mps_page != NULL)
free(mps_page, M_MPSUSER);
if (error)
return (error);
return (error);
}
#ifdef __amd64__
/* Convert native structs to 32-bit ones. */
switch (cmd) {
#ifdef COMPAT_FREEBSD32
/* Macros from compat/freebsd32/freebsd32.h */
#define PTRIN(v) (void *)(uintptr_t)(v)
#define PTROUT(v) (uint32_t)(uintptr_t)(v)
#define CP(src,dst,fld) do { (dst).fld = (src).fld; } while (0)
#define PTRIN_CP(src,dst,fld) \
do { (dst).fld = PTRIN((src).fld); } while (0)
#define PTROUT_CP(src,dst,fld) \
do { (dst).fld = PTROUT((src).fld); } while (0)
struct mps_cfg_page_req32 {
MPI2_CONFIG_PAGE_HEADER header;
uint32_t page_address;
uint32_t buf;
int len;
uint16_t ioc_status;
};
struct mps_ext_cfg_page_req32 {
MPI2_CONFIG_EXTENDED_PAGE_HEADER header;
uint32_t page_address;
uint32_t buf;
int len;
uint16_t ioc_status;
};
struct mps_raid_action32 {
uint8_t action;
uint8_t volume_bus;
uint8_t volume_id;
uint8_t phys_disk_num;
uint32_t action_data_word;
uint32_t buf;
int len;
uint32_t volume_status;
uint32_t action_data[4];
uint16_t action_status;
uint16_t ioc_status;
uint8_t write;
};
struct mps_usr_command32 {
uint32_t req;
uint32_t req_len;
uint32_t rpl;
uint32_t rpl_len;
uint32_t buf;
int len;
uint32_t flags;
};
#define MPSIO_READ_CFG_HEADER32 _IOWR('M', 200, struct mps_cfg_page_req32)
#define MPSIO_READ_CFG_PAGE32 _IOWR('M', 201, struct mps_cfg_page_req32)
#define MPSIO_READ_EXT_CFG_HEADER32 _IOWR('M', 202, struct mps_ext_cfg_page_req32)
#define MPSIO_READ_EXT_CFG_PAGE32 _IOWR('M', 203, struct mps_ext_cfg_page_req32)
#define MPSIO_WRITE_CFG_PAGE32 _IOWR('M', 204, struct mps_cfg_page_req32)
#define MPSIO_RAID_ACTION32 _IOWR('M', 205, struct mps_raid_action32)
#define MPSIO_MPS_COMMAND32 _IOWR('M', 210, struct mps_usr_command32)
static int
mps_ioctl32(struct cdev *dev, u_long cmd32, void *_arg, int flag,
struct thread *td)
{
struct mps_cfg_page_req32 *page32 = _arg;
struct mps_ext_cfg_page_req32 *ext32 = _arg;
struct mps_raid_action32 *raid32 = _arg;
struct mps_usr_command32 *user32 = _arg;
union {
struct mps_cfg_page_req page;
struct mps_ext_cfg_page_req ext;
struct mps_raid_action raid;
struct mps_usr_command user;
} arg;
u_long cmd;
int error;
switch (cmd32) {
case MPSIO_READ_CFG_HEADER32:
case MPSIO_READ_CFG_PAGE32:
case MPSIO_WRITE_CFG_PAGE32:
page_req32->header = page_req->header;
page_req32->page_address = page_req->page_address;
page_req32->buf = PTROUT(page_req->buf);
page_req32->len = page_req->len;
page_req32->ioc_status = page_req->ioc_status;
if (cmd32 == MPSIO_READ_CFG_HEADER32)
cmd = MPSIO_READ_CFG_HEADER;
else if (cmd32 == MPSIO_READ_CFG_PAGE32)
cmd = MPSIO_READ_CFG_PAGE;
else
cmd = MPSIO_WRITE_CFG_PAGE;
CP(*page32, arg.page, header);
CP(*page32, arg.page, page_address);
PTRIN_CP(*page32, arg.page, buf);
CP(*page32, arg.page, len);
CP(*page32, arg.page, ioc_status);
break;
case MPSIO_READ_EXT_CFG_HEADER32:
case MPSIO_READ_EXT_CFG_PAGE32:
ext_page_req32->header = ext_page_req->header;
ext_page_req32->page_address = ext_page_req->page_address;
ext_page_req32->buf = PTROUT(ext_page_req->buf);
ext_page_req32->len = ext_page_req->len;
ext_page_req32->ioc_status = ext_page_req->ioc_status;
case MPSIO_READ_EXT_CFG_PAGE32:
if (cmd32 == MPSIO_READ_EXT_CFG_HEADER32)
cmd = MPSIO_READ_EXT_CFG_HEADER;
else
cmd = MPSIO_READ_EXT_CFG_PAGE;
CP(*ext32, arg.ext, header);
CP(*ext32, arg.ext, page_address);
PTRIN_CP(*ext32, arg.ext, buf);
CP(*ext32, arg.ext, len);
CP(*ext32, arg.ext, ioc_status);
break;
case MPSIO_RAID_ACTION32:
cmd = MPSIO_RAID_ACTION;
CP(*raid32, arg.raid, action);
CP(*raid32, arg.raid, volume_bus);
CP(*raid32, arg.raid, volume_id);
CP(*raid32, arg.raid, phys_disk_num);
CP(*raid32, arg.raid, action_data_word);
PTRIN_CP(*raid32, arg.raid, buf);
CP(*raid32, arg.raid, len);
CP(*raid32, arg.raid, volume_status);
bcopy(raid32->action_data, arg.raid.action_data,
sizeof arg.raid.action_data);
CP(*raid32, arg.raid, ioc_status);
CP(*raid32, arg.raid, write);
break;
case MPSIO_MPS_COMMAND32:
cmd = MPSIO_MPS_COMMAND;
PTRIN_CP(*user32, arg.user, req);
CP(*user32, arg.user, req_len);
PTRIN_CP(*user32, arg.user, rpl);
CP(*user32, arg.user, rpl_len);
PTRIN_CP(*user32, arg.user, buf);
CP(*user32, arg.user, len);
CP(*user32, arg.user, flags);
break;
default:
return (ENOIOCTL);
}
#endif
return (0);
error = mps_ioctl(dev, cmd, &arg, flag, td);
if (error == 0 && (cmd32 & IOC_OUT) != 0) {
switch (cmd32) {
case MPSIO_READ_CFG_HEADER32:
case MPSIO_READ_CFG_PAGE32:
case MPSIO_WRITE_CFG_PAGE32:
CP(arg.page, *page32, header);
CP(arg.page, *page32, page_address);
PTROUT_CP(arg.page, *page32, buf);
CP(arg.page, *page32, len);
CP(arg.page, *page32, ioc_status);
break;
case MPSIO_READ_EXT_CFG_HEADER32:
case MPSIO_READ_EXT_CFG_PAGE32:
CP(arg.ext, *ext32, header);
CP(arg.ext, *ext32, page_address);
PTROUT_CP(arg.ext, *ext32, buf);
CP(arg.ext, *ext32, len);
CP(arg.ext, *ext32, ioc_status);
break;
case MPSIO_RAID_ACTION32:
CP(arg.raid, *raid32, action);
CP(arg.raid, *raid32, volume_bus);
CP(arg.raid, *raid32, volume_id);
CP(arg.raid, *raid32, phys_disk_num);
CP(arg.raid, *raid32, action_data_word);
PTROUT_CP(arg.raid, *raid32, buf);
CP(arg.raid, *raid32, len);
CP(arg.raid, *raid32, volume_status);
bcopy(arg.raid.action_data, raid32->action_data,
sizeof arg.raid.action_data);
CP(arg.raid, *raid32, ioc_status);
CP(arg.raid, *raid32, write);
break;
case MPSIO_MPS_COMMAND32:
PTROUT_CP(arg.user, *user32, req);
CP(arg.user, *user32, req_len);
PTROUT_CP(arg.user, *user32, rpl);
CP(arg.user, *user32, rpl_len);
PTROUT_CP(arg.user, *user32, buf);
CP(arg.user, *user32, len);
CP(arg.user, *user32, flags);
break;
}
}
return (error);
}
#endif /* COMPAT_FREEBSD32 */
static int
mps_ioctl_devsw(struct cdev *dev, u_long com, caddr_t arg, int flag,
struct thread *td)
{
#ifdef COMPAT_FREEBSD32
if (SV_CURPROC_FLAG(SV_ILP32))
return (mps_ioctl32(dev, com, arg, flag, td));
#endif
return (mps_ioctl(dev, com, arg, flag, td));
}