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Advertise the MPI Message Version that's contained in the IOCFacts message

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in the sysctl block for the driver.  mpsutil/mprutil needs this so it can
know how big of a buffer to allocate when requesting the IOCFacts from the
controller.  This eliminates the kernel console messages about wrong
allocation sizes.

Reported by:	imp
This commit is contained in:
Scott Long 2020-02-07 12:15:39 +00:00
parent b041593ae7
commit 69e85eb8ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=357651
5 changed files with 43 additions and 8 deletions
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14
sys/dev/mpr/mpr.c
View file

@ -520,6 +520,12 @@ mpr_iocfacts_allocate(struct mpr_softc *sc, uint8_t attaching)
sc->facts->FWVersion.Struct.Unit,
sc->facts->FWVersion.Struct.Dev);
snprintf(sc->msg_version, sizeof(sc->msg_version), "%d.%d",
(sc->facts->MsgVersion & MPI2_IOCFACTS_MSGVERSION_MAJOR_MASK) >>
MPI2_IOCFACTS_MSGVERSION_MAJOR_SHIFT,
(sc->facts->MsgVersion & MPI2_IOCFACTS_MSGVERSION_MINOR_MASK) >>
MPI2_IOCFACTS_MSGVERSION_MINOR_SHIFT);
mpr_dprint(sc, MPR_INFO, "Firmware: %s, Driver: %s\n", sc->fw_version,
MPR_DRIVER_VERSION);
mpr_dprint(sc, MPR_INFO,
@ -1833,13 +1839,17 @@ mpr_setup_sysctl(struct mpr_softc *sc)
"Total number of event frames allocated");
SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "firmware_version", CTLFLAG_RW, sc->fw_version,
OID_AUTO, "firmware_version", CTLFLAG_RD, sc->fw_version,
strlen(sc->fw_version), "firmware version");
SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "driver_version", CTLFLAG_RW, MPR_DRIVER_VERSION,
OID_AUTO, "driver_version", CTLFLAG_RD, MPR_DRIVER_VERSION,
strlen(MPR_DRIVER_VERSION), "driver version");
SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "msg_version", CTLFLAG_RD, sc->msg_version,
strlen(sc->msg_version), "message interface version");
SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "io_cmds_active", CTLFLAG_RD,
&sc->io_cmds_active, 0, "number of currently active commands");

1
sys/dev/mpr/mprvar.h
View file

@ -372,6 +372,7 @@ struct mpr_softc {
struct sysctl_ctx_list sysctl_ctx;
struct sysctl_oid *sysctl_tree;
char fw_version[16];
char msg_version[8];
struct mpr_command *commands;
struct mpr_chain *chains;
struct mpr_prp_page *prps;

14
sys/dev/mps/mps.c
View file

@ -498,6 +498,12 @@ mps_iocfacts_allocate(struct mps_softc *sc, uint8_t attaching)
sc->facts->FWVersion.Struct.Unit,
sc->facts->FWVersion.Struct.Dev);
snprintf(sc->msg_version, sizeof(sc->msg_version), "%d.%d",
(sc->facts->MsgVersion & MPI2_IOCFACTS_MSGVERSION_MAJOR_MASK) >>
MPI2_IOCFACTS_MSGVERSION_MAJOR_SHIFT,
(sc->facts->MsgVersion & MPI2_IOCFACTS_MSGVERSION_MINOR_MASK) >>
MPI2_IOCFACTS_MSGVERSION_MINOR_SHIFT);
mps_dprint(sc, MPS_INFO, "Firmware: %s, Driver: %s\n", sc->fw_version,
MPS_DRIVER_VERSION);
mps_dprint(sc, MPS_INFO, "IOCCapabilities: %b\n",
@ -1742,13 +1748,17 @@ mps_setup_sysctl(struct mps_softc *sc)
"Total number of event frames allocated");
SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "firmware_version", CTLFLAG_RW, sc->fw_version,
OID_AUTO, "firmware_version", CTLFLAG_RD, sc->fw_version,
strlen(sc->fw_version), "firmware version");
SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "driver_version", CTLFLAG_RW, MPS_DRIVER_VERSION,
OID_AUTO, "driver_version", CTLFLAG_RD, MPS_DRIVER_VERSION,
strlen(MPS_DRIVER_VERSION), "driver version");
SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "msg_version", CTLFLAG_RD, sc->msg_version,
strlen(sc->msg_version), "message interface version");
SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "io_cmds_active", CTLFLAG_RD,
&sc->io_cmds_active, 0, "number of currently active commands");

1
sys/dev/mps/mpsvar.h
View file

@ -330,6 +330,7 @@ struct mps_softc {
struct sysctl_ctx_list sysctl_ctx;
struct sysctl_oid *sysctl_tree;
char fw_version[16];
char msg_version[8];
struct mps_command *commands;
struct mps_chain *chains;
struct callout periodic;

21
usr.sbin/mpsutil/mps_cmd.c
View file

@ -724,23 +724,36 @@ mps_get_iocfacts(int fd)
{
MPI2_IOC_FACTS_REPLY *facts;
MPI2_IOC_FACTS_REQUEST req;
char msgver[8], sysctlname[128];
size_t len, factslen;
int error;
facts = malloc(sizeof(MPI2_IOC_FACTS_REPLY));
snprintf(sysctlname, sizeof(sysctlname), "dev.%s.%d.msg_version",
is_mps ? "mps" : "mpr", mps_unit);
factslen = sizeof(MPI2_IOC_FACTS_REPLY);
len = sizeof(msgver);
error = sysctlbyname(sysctlname, msgver, &len, NULL, 0);
if (error == 0) {
if (strncmp(msgver, "2.6", sizeof(msgver)) == 0)
factslen += 4;
}
facts = malloc(factslen);
if (facts == NULL) {
errno = ENOMEM;
return (NULL);
}
bzero(&req, sizeof(MPI2_IOC_FACTS_REQUEST));
bzero(&req, factslen);
req.Function = MPI2_FUNCTION_IOC_FACTS;
#if 1
error = mps_pass_command(fd, &req, sizeof(MPI2_IOC_FACTS_REQUEST),
facts, sizeof(MPI2_IOC_FACTS_REPLY), NULL, 0, NULL, 0, 10);
facts, factslen, NULL, 0, NULL, 0, 10);
#else
error = mps_user_command(fd, &req, sizeof(MPI2_IOC_FACTS_REQUEST),
facts, sizeof(MPI2_IOC_FACTS_REPLY), NULL, 0, 0);
facts, factslen, NULL, 0, 0);
#endif
if (error) {
free(facts);