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Export the current da flags as bitfield

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Export the current flags. They can be useful to other programs wanting to do
special thigns for removable or similar devices.

Differential Revision: https://reviews.freebsd.org/D23417
This commit is contained in:
Warner Losh 2020-02-13 01:23:32 +00:00
parent 07fb2bc32f
commit a8d238cd6d
1 changed files with 46 additions and 0 deletions
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46
sys/cam/scsi/scsi_da.c
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@ -122,6 +122,28 @@ typedef enum {
DA_FLAG_CAN_ATA_ZONE = 0x040000,
DA_FLAG_TUR_PENDING = 0x080000
} da_flags;
#define DA_FLAG_STRING \
"\020" \
"\001PACK_INVALID" \
"\002NEW_PACK" \
"\003PACK_LOCKED" \
"\004PACK_REMOVABLE" \
"\005UNUSED" \
"\006NEED_OTAG" \
"\007WAS_OTAG" \
"\010RETRY_UA" \
"\011OPEN" \
"\012SCTX_INIT" \
"\013CAN_RC16" \
"\014PROBED" \
"\015DIRTY" \
"\016ANNOUCNED" \
"\017CAN_ATA_DMA" \
"\020CAN_ATA_LOG" \
"\021CAN_ATA_IDLOG" \
"\022CAN_ATA_SUPACP" \
"\023CAN_ATA_ZONE" \
"\024TUR_PENDING"
typedef enum {
DA_Q_NONE = 0x00,
@ -1442,6 +1464,7 @@ static void dasysctlinit(void *context, int pending);
static int dasysctlsofttimeout(SYSCTL_HANDLER_ARGS);
static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
static int daflagssysctl(SYSCTL_HANDLER_ARGS);
static int dazonemodesysctl(SYSCTL_HANDLER_ARGS);
static int dazonesupsysctl(SYSCTL_HANDLER_ARGS);
static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
@ -2316,6 +2339,11 @@ dasysctlinit(void *context, int pending)
0,
"DIF protection type");
SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
OID_AUTO, "flags", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
softc, 0, daflagssysctl, "A",
"Flags for drive");
#ifdef CAM_TEST_FAILURE
SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
OID_AUTO, "invalidate", CTLTYPE_U64 | CTLFLAG_RW | CTLFLAG_MPSAFE,
@ -2590,6 +2618,24 @@ dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
dadeletemethodset(softc, default_method);
}
static int
daflagssysctl(SYSCTL_HANDLER_ARGS)
{
struct sbuf sbuf;
struct da_softc *softc = arg1;
int error;
sbuf_new_for_sysctl(&sbuf, NULL, 0, req);
if (softc->flags != 0)
sbuf_printf(&sbuf, "0x%b", softc->flags, DA_FLAG_STRING);
else
sbuf_printf(&sbuf, "0");
error = sbuf_finish(&sbuf);
sbuf_delete(&sbuf);
return (error);
}
static int
dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
{