Author: sobomax
Date: Thu Sep 27 04:28:55 2012
New Revision: 240981
URL: http://svn.freebsd.org/changeset/base/240981
Log:
Add 32-bit ABI compat shims. Those are necessary for i386 binary-only
tools like sysutils/hpacucli (HP P4xx RAID controller management
suite) working on amd64 systems.
PR: 139271
Submitted by: Kazumi MORINAGA, Eugene Grosbein
MFC after: 1 week
Modified:
head/sys/dev/pci/pci_user.c
Modified: head/sys/dev/pci/pci_user.c
==============================================================================
--- head/sys/dev/pci/pci_user.c Thu Sep 27 04:06:20 2012 (r240980)
+++ head/sys/dev/pci/pci_user.c Thu Sep 27 04:28:55 2012 (r240981)
@@ -225,6 +225,49 @@ struct pci_io_old {
u_int32_t pi_data; /* data to write or result of read */
};
+#ifdef COMPAT_FREEBSD32
+struct pci_conf_old32 {
+ struct pcisel_old pc_sel; /* bus+slot+function */
+ u_int8_t pc_hdr; /* PCI header type */
+ u_int16_t pc_subvendor; /* card vendor ID */
+ u_int16_t pc_subdevice; /* card device ID, assigned by
+ card vendor */
+ u_int16_t pc_vendor; /* chip vendor ID */
+ u_int16_t pc_device; /* chip device ID, assigned by
+ chip vendor */
+ u_int8_t pc_class; /* chip PCI class */
+ u_int8_t pc_subclass; /* chip PCI subclass */
+ u_int8_t pc_progif; /* chip PCI programming interface */
+ u_int8_t pc_revid; /* chip revision ID */
+ char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
+ u_int32_t pd_unit; /* device unit number (u_long) */
+};
+
+struct pci_match_conf_old32 {
+ struct pcisel_old pc_sel; /* bus+slot+function */
+ char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
+ u_int32_t pd_unit; /* Unit number (u_long) */
+ u_int16_t pc_vendor; /* PCI Vendor ID */
+ u_int16_t pc_device; /* PCI Device ID */
+ u_int8_t pc_class; /* PCI class */
+ pci_getconf_flags_old flags; /* Matching expression */
+};
+
+struct pci_conf_io32 {
+ u_int32_t pat_buf_len; /* pattern buffer length */
+ u_int32_t num_patterns; /* number of patterns */
+ u_int32_t patterns; /* pattern buffer (struct
pci_match_conf_old32 *) */
+ u_int32_t match_buf_len; /* match buffer length */
+ u_int32_t num_matches; /* number of matches returned */
+ u_int32_t matches; /* match buffer (struct
pci_conf_old32 *) */
+ u_int32_t offset; /* offset into device list */
+ u_int32_t generation; /* device list generation */
+ pci_getconf_status status; /* request status */
+};
+
+#define PCIOCGETCONF_OLD32 _IOWR('p', 1, struct pci_conf_io32)
+#endif
+
#define PCIOCGETCONF_OLD _IOWR('p', 1, struct pci_conf_io)
#define PCIOCREAD_OLD _IOWR('p', 2, struct pci_io_old)
#define PCIOCWRITE_OLD _IOWR('p', 3, struct pci_io_old)
@@ -295,6 +338,69 @@ pci_conf_match_old(struct pci_match_conf
return(1);
}
+static int
+pci_conf_match_old32(struct pci_match_conf_old32 *matches, int num_matches,
+ struct pci_conf *match_buf)
+{
+ int i;
+
+ if ((matches == NULL) || (match_buf == NULL) || (num_matches <= 0))
+ return(1);
+
+ for (i = 0; i < num_matches; i++) {
+ if (match_buf->pc_sel.pc_domain != 0)
+ continue;
+
+ /*
+ * I'm not sure why someone would do this...but...
+ */
+ if (matches[i].flags == PCI_GETCONF_NO_MATCH_OLD)
+ continue;
+
+ /*
+ * Look at each of the match flags. If it's set, do the
+ * comparison. If the comparison fails, we don't have a
+ * match, go on to the next item if there is one.
+ */
+ if (((matches[i].flags & PCI_GETCONF_MATCH_BUS_OLD) != 0)
+ && (match_buf->pc_sel.pc_bus != matches[i].pc_sel.pc_bus))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_DEV_OLD) != 0)
+ && (match_buf->pc_sel.pc_dev != matches[i].pc_sel.pc_dev))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_FUNC_OLD) != 0)
+ && (match_buf->pc_sel.pc_func != matches[i].pc_sel.pc_func))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_VENDOR_OLD) != 0)
+ && (match_buf->pc_vendor != matches[i].pc_vendor))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_DEVICE_OLD) != 0)
+ && (match_buf->pc_device != matches[i].pc_device))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_CLASS_OLD) != 0)
+ && (match_buf->pc_class != matches[i].pc_class))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_UNIT_OLD) != 0)
+ && ((u_int32_t)match_buf->pd_unit != matches[i].pd_unit))
+ continue;
+
+ if (((matches[i].flags & PCI_GETCONF_MATCH_NAME_OLD) != 0)
+ && (strncmp(matches[i].pd_name, match_buf->pd_name,
+ sizeof(match_buf->pd_name)) != 0))
+ continue;
+
+ return(0);
+ }
+
+ return(1);
+}
+
#endif
static int
@@ -313,13 +419,21 @@ pci_ioctl(struct cdev *dev, u_long cmd,
size_t confsz, iolen, pbufsz;
int error, ionum, i, num_patterns;
#ifdef PRE7_COMPAT
+#ifdef COMPAT_FREEBSD32
+ struct pci_conf_io32 *cio32;
+#endif
struct pci_conf_old conf_old;
+ struct pci_conf_old32 conf_old32;
struct pci_io iodata;
struct pci_io_old *io_old;
struct pci_match_conf_old *pattern_buf_old;
+ struct pci_match_conf_old32 *pattern_buf_old32;
+ cio = NULL;
+ cio32 = NULL;
io_old = NULL;
pattern_buf_old = NULL;
+ pattern_buf_old32 = NULL;
if (!(flag & FWRITE) && cmd != PCIOCGETBAR &&
cmd != PCIOCGETCONF && cmd != PCIOCGETCONF_OLD)
@@ -331,11 +445,27 @@ pci_ioctl(struct cdev *dev, u_long cmd,
switch(cmd) {
#ifdef PRE7_COMPAT
+ case PCIOCGETCONF_OLD32:
+ cio32 = (struct pci_conf_io32 *)data;
+ cio = malloc(sizeof(struct pci_conf_io), M_TEMP, M_WAITOK);
+ cio->pat_buf_len = cio32->pat_buf_len;
+ cio->num_patterns = cio32->num_patterns;
+ cio->patterns = (void *)(uintptr_t)cio32->patterns;
+ cio->match_buf_len = cio32->match_buf_len;
+ cio->num_matches = cio32->num_matches;
+ cio->matches = (void *)(uintptr_t)cio32->matches;
+ cio->offset = cio32->offset;
+ cio->generation = cio32->generation;
+ cio->status = cio32->status;
+ cio32->num_matches = 0;
+ /* FALLTHROUGH */
+
case PCIOCGETCONF_OLD:
/* FALLTHROUGH */
#endif
case PCIOCGETCONF:
- cio = (struct pci_conf_io *)data;
+ if (cio == NULL)
+ cio = (struct pci_conf_io *)data;
pattern_buf = NULL;
num_patterns = 0;
@@ -353,7 +483,7 @@ pci_ioctl(struct cdev *dev, u_long cmd,
&& (cio->generation != pci_generation)){
cio->status = PCI_GETCONF_LIST_CHANGED;
error = 0;
- break;
+ goto getconfexit;
}
/*
@@ -363,7 +493,7 @@ pci_ioctl(struct cdev *dev, u_long cmd,
if (cio->offset >= pci_numdevs) {
cio->status = PCI_GETCONF_LAST_DEVICE;
error = 0;
- break;
+ goto getconfexit;
}
/* get the head of the device queue */
@@ -376,6 +506,11 @@ pci_ioctl(struct cdev *dev, u_long cmd,
* didn't specify a multiple of that size.
*/
#ifdef PRE7_COMPAT
+#ifdef COMPAT_FREEBSD32
+ if (cmd == PCIOCGETCONF_OLD32)
+ confsz = sizeof(struct pci_conf_old32);
+ else
+#endif
if (cmd == PCIOCGETCONF_OLD)
confsz = sizeof(struct pci_conf_old);
else
@@ -410,6 +545,11 @@ pci_ioctl(struct cdev *dev, u_long cmd,
* updated their kernel but not their userland.
*/
#ifdef PRE7_COMPAT
+#ifdef COMPAT_FREEBSD32
+ if (cmd == PCIOCGETCONF_OLD32)
+ pbufsz = sizeof(struct pci_match_conf_old32);
+ else
+#endif
if (cmd == PCIOCGETCONF_OLD)
pbufsz = sizeof(struct pci_match_conf_old);
else
@@ -419,13 +559,19 @@ pci_ioctl(struct cdev *dev, u_long cmd,
/* The user made a mistake, return an error. */
cio->status = PCI_GETCONF_ERROR;
error = EINVAL;
- break;
+ goto getconfexit;
}
/*
* Allocate a buffer to hold the patterns.
*/
#ifdef PRE7_COMPAT
+ if (cmd == PCIOCGETCONF_OLD32) {
+ pattern_buf_old32 = malloc(cio->pat_buf_len,
+ M_TEMP, M_WAITOK);
+ error = copyin(cio->patterns,
+ pattern_buf_old32, cio->pat_buf_len);
+ } else
if (cmd == PCIOCGETCONF_OLD) {
pattern_buf_old = malloc(cio->pat_buf_len,
M_TEMP, M_WAITOK);
@@ -451,7 +597,7 @@ pci_ioctl(struct cdev *dev, u_long cmd,
*/
cio->status = PCI_GETCONF_ERROR;
error = EINVAL;
- break;
+ goto getconfexit;
}
/*
@@ -483,7 +629,11 @@ pci_ioctl(struct cdev *dev, u_long cmd,
}
#ifdef PRE7_COMPAT
- if ((cmd == PCIOCGETCONF_OLD &&
+ if ((cmd == PCIOCGETCONF_OLD32 &&
+ (pattern_buf_old32 == NULL ||
+ pci_conf_match_old32(pattern_buf_old32,
+ num_patterns, &dinfo->conf) == 0)) ||
+ (cmd == PCIOCGETCONF_OLD &&
(pattern_buf_old == NULL ||
pci_conf_match_old(pattern_buf_old, num_patterns,
&dinfo->conf) == 0)) ||
@@ -508,6 +658,38 @@ pci_ioctl(struct cdev *dev, u_long cmd,
break;
#ifdef PRE7_COMPAT
+ if (cmd == PCIOCGETCONF_OLD32) {
+ conf_old32.pc_sel.pc_bus =
+ dinfo->conf.pc_sel.pc_bus;
+ conf_old32.pc_sel.pc_dev =
+ dinfo->conf.pc_sel.pc_dev;
+ conf_old32.pc_sel.pc_func =
+ dinfo->conf.pc_sel.pc_func;
+ conf_old32.pc_hdr = dinfo->conf.pc_hdr;
+ conf_old32.pc_subvendor =
+ dinfo->conf.pc_subvendor;
+ conf_old32.pc_subdevice =
+ dinfo->conf.pc_subdevice;
+ conf_old32.pc_vendor =
+ dinfo->conf.pc_vendor;
+ conf_old32.pc_device =
+ dinfo->conf.pc_device;
+ conf_old32.pc_class =
+ dinfo->conf.pc_class;
+ conf_old32.pc_subclass =
+ dinfo->conf.pc_subclass;
+ conf_old32.pc_progif =
+ dinfo->conf.pc_progif;
+ conf_old32.pc_revid =
+ dinfo->conf.pc_revid;
+ strncpy(conf_old32.pd_name,
+ dinfo->conf.pd_name,
+ sizeof(conf_old32.pd_name));
+ conf_old32.pd_name[PCI_MAXNAMELEN] = 0;
+ conf_old32.pd_unit =
+ (u_int32_t)dinfo->conf.pd_unit;
+ confdata = &conf_old32;
+ } else
if (cmd == PCIOCGETCONF_OLD) {
conf_old.pc_sel.pc_bus =
dinfo->conf.pc_sel.pc_bus;
@@ -574,9 +756,22 @@ pci_ioctl(struct cdev *dev, u_long cmd,
cio->status = PCI_GETCONF_MORE_DEVS;
getconfexit:
+#ifdef COMPAT_FREEBSD32
+ if (cmd == PCIOCGETCONF_OLD32) {
+ cio32->status = cio->status;
+ cio32->generation = cio->generation;
+ cio32->offset = cio->offset;
+ cio32->num_matches = cio->num_matches;
+ if (cio != NULL)
+ free(cio, M_TEMP);
+ }
+#endif
+
if (pattern_buf != NULL)
free(pattern_buf, M_TEMP);
#ifdef PRE7_COMPAT
+ if (pattern_buf_old32 != NULL)
+ free(pattern_buf_old32, M_TEMP);
if (pattern_buf_old != NULL)
free(pattern_buf_old, M_TEMP);
#endif
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