Define xpt_path_inq.

This provides a nice wrarpper around the XPT_PATH_INQ ccb creation and
calling.

Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D13387
This commit is contained in:
Warner Losh 2017-12-06 23:05:22 +00:00
parent 2b31251a64
commit 762a7f4f5f
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=326645
19 changed files with 44 additions and 97 deletions

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@ -1726,10 +1726,7 @@ adaregister(struct cam_periph *periph, void *arg)
else
softc->quirks = ADA_Q_NONE;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
TASK_INIT(&softc->sysctl_task, 0, adasysctlinit, periph);

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@ -1006,10 +1006,7 @@ device_fail: if ((path->device->flags & CAM_DEV_UNCONFIGURED) == 0)
if (path->device->mintags != 0 &&
path->bus->sim->max_tagged_dev_openings != 0) {
/* Check if the SIM does not want queued commands. */
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
if (cpi.ccb_h.status == CAM_REQ_CMP &&
(cpi.hba_inquiry & PI_TAG_ABLE)) {
/* Report SIM which tags are allowed. */
@ -1412,10 +1409,7 @@ ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb)
xpt_done(request_ccb);
return;
}
xpt_setup_ccb(&work_ccb->ccb_h, request_ccb->ccb_h.path,
request_ccb->ccb_h.pinfo.priority);
work_ccb->ccb_h.func_code = XPT_PATH_INQ;
xpt_action(work_ccb);
xpt_path_inq(&work_ccb->cpi, request_ccb->ccb_h.path);
if (work_ccb->ccb_h.status != CAM_REQ_CMP) {
request_ccb->ccb_h.status = work_ccb->ccb_h.status;
xpt_free_ccb(work_ccb);
@ -1570,10 +1564,7 @@ ata_scan_lun(struct cam_periph *periph, struct cam_path *path,
CAM_DEBUG(path, CAM_DEBUG_TRACE, ("xpt_scan_lun\n"));
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
if (cpi.ccb_h.status != CAM_REQ_CMP) {
if (request_ccb != NULL) {
request_ccb->ccb_h.status = cpi.ccb_h.status;
@ -1682,9 +1673,7 @@ ata_device_transport(struct cam_path *path)
struct ata_params *ident_buf = NULL;
/* Get transport information from the SIM */
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
path->device->transport = cpi.transport;
if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0)
@ -1979,9 +1968,7 @@ ata_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_path *path,
scsi = &cts->proto_specific.scsi;
else
scsi = NULL;
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
/* Sanity checking */
if ((cpi.hba_inquiry & PI_TAG_ABLE) == 0
@ -2110,9 +2097,7 @@ _ata_announce_periph(struct cam_periph *periph, struct ccb_trans_settings *cts,
if ((cts->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
return;
/* Ask the SIM for its base transfer speed */
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
/* Report connection speed */
*speed = cpi.base_transfer_speed;
if (cts->transport == XPORT_ATA) {

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@ -743,9 +743,7 @@ camperiphfree(struct cam_periph *periph)
arg = &ccb;
break;
case AC_PATH_REGISTERED:
ccb.ccb_h.func_code = XPT_PATH_INQ;
xpt_setup_ccb(&ccb.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
xpt_action(&ccb);
xpt_path_inq(&ccb.cpi, periph->path);
arg = &ccb;
break;
default:

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@ -2620,9 +2620,7 @@ xptsetasyncbusfunc(struct cam_eb *bus, void *arg)
CAM_TARGET_WILDCARD,
CAM_LUN_WILDCARD);
xpt_path_lock(&path);
xpt_setup_ccb(&cpi.ccb_h, &path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, &path);
csa->callback(csa->callback_arg,
AC_PATH_REGISTERED,
&path, &cpi);
@ -4087,9 +4085,7 @@ xpt_bus_register(struct cam_sim *sim, device_t parent, u_int32_t bus)
return (CAM_RESRC_UNAVAIL);
}
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
if (cpi.ccb_h.status == CAM_REQ_CMP) {
struct xpt_xport **xpt;

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@ -36,8 +36,10 @@
#ifdef _KERNEL
#include <sys/cdefs.h>
#include <cam/cam_ccb.h>
#endif
/* Forward Declarations */
union ccb;
struct cam_periph;
@ -147,6 +149,20 @@ const char * xpt_action_name(uint32_t action);
void xpt_pollwait(union ccb *start_ccb, uint32_t timeout);
uint32_t xpt_poll_setup(union ccb *start_ccb);
/*
* Perform a path inquiry at the request priority. The bzero may be
* unnecessary.
*/
static inline void
xpt_path_inq(struct ccb_pathinq *cpi, struct cam_path *path)
{
bzero(cpi, sizeof(*cpi));
xpt_setup_ccb(&cpi->ccb_h, path, CAM_PRIORITY_NORMAL);
cpi->ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)cpi);
}
#endif /* _KERNEL */
#endif /* _CAM_CAM_XPT_H */

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@ -685,10 +685,7 @@ sdda_hook_into_geom(struct cam_periph *periph)
softc = (struct sdda_softc*) periph->softc;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
bzero(&cgd, sizeof(cgd));
xpt_setup_ccb(&cgd.ccb_h, periph->path, CAM_PRIORITY_NONE);

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@ -239,9 +239,7 @@ mmc_scan_lun(struct cam_periph *periph, struct cam_path *path,
CAM_DEBUG(path, CAM_DEBUG_TRACE, ("mmc_scan_lun\n"));
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
if (cpi.ccb_h.status != CAM_REQ_CMP) {
if (request_ccb != NULL) {
@ -392,9 +390,7 @@ mmc_announce_periph(struct cam_periph *periph)
xpt_action((union ccb*)&cts);
if ((cts.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
return;
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
printf("XPT info: CLK %04X, ...\n", cts.proto_specific.mmc.ios.clock);
}
@ -570,8 +566,7 @@ mmcprobe_start(struct cam_periph *periph, union ccb *start_ccb)
case PROBE_RESET:
/* FALLTHROUGH */
case PROBE_IDENTIFY:
init_standard_ccb(start_ccb, XPT_PATH_INQ);
xpt_action(start_ccb);
xpt_path_inq(&start_ccb->cpi, periph->path);
CAM_DEBUG(start_ccb->ccb_h.path, CAM_DEBUG_PROBE, ("Start with PROBE_RESET\n"));
init_standard_ccb(start_ccb, XPT_SET_TRAN_SETTINGS);

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@ -706,10 +706,7 @@ ndaregister(struct cam_periph *periph, void *arg)
softc->quirks = NDA_Q_NONE;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
TASK_INIT(&softc->sysctl_task, 0, ndasysctlinit, periph);

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@ -365,9 +365,7 @@ nvme_scan_lun(struct cam_periph *periph, struct cam_path *path,
CAM_DEBUG(path, CAM_DEBUG_TRACE, ("nvme_scan_lun\n"));
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
if (cpi.ccb_h.status != CAM_REQ_CMP) {
if (request_ccb != NULL) {
@ -458,9 +456,7 @@ nvme_device_transport(struct cam_path *path)
/* XXX get data from nvme namespace and other info ??? */
/* Get transport information from the SIM */
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
path->device->transport = cpi.transport;
path->device->transport_version = cpi.transport_version;
@ -633,9 +629,7 @@ nvme_announce_periph(struct cam_periph *periph)
nvmex = &cts.xport_specific.nvme;
/* Ask the SIM for its base transfer speed */
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
printf("%s%d: nvme version %d.%d x%d (max x%d) lanes PCIe Gen%d (max Gen%d) link",
periph->periph_name, periph->unit_number,
NVME_MAJOR(nvmex->spec),

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@ -595,10 +595,7 @@ cdregister(struct cam_periph *periph, void *arg)
softc->quirks = CD_Q_NONE;
/* Check if the SIM does not want 6 byte commands */
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
softc->quirks |= CD_Q_10_BYTE_ONLY;

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@ -404,10 +404,7 @@ chregister(struct cam_periph *periph, void *arg)
if (cgd->inq_data.version <= SCSI_REV_2)
softc->quirks |= CH_Q_NO_DVCID;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
/*
* Changers don't have a blocksize, and obviously don't support

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@ -2462,10 +2462,7 @@ daregister(struct cam_periph *periph, void *arg)
softc->quirks = DA_Q_NONE;
/* Check if the SIM does not want 6 byte commands */
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
softc->quirks |= DA_Q_NO_6_BYTE;

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@ -588,10 +588,7 @@ passregister(struct cam_periph *periph, void *arg)
softc->io_zone_size = MAXPHYS;
knlist_init_mtx(&softc->read_select.si_note, cam_periph_mtx(periph));
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
if (cpi.maxio == 0)
softc->maxio = DFLTPHYS; /* traditional default */

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@ -277,10 +277,7 @@ ptctor(struct cam_periph *periph, void *arg)
periph->softc = softc;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
cam_periph_unlock(periph);

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@ -2427,10 +2427,7 @@ saregister(struct cam_periph *periph, void *arg)
softc->flags |= SA_FLAG_PROTECT_SUPP;
}
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
/*
* The SA driver supports a blocksize, but we don't know the

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@ -324,10 +324,7 @@ sgregister(struct cam_periph *periph, void *arg)
TAILQ_INIT(&softc->rdwr_done);
periph->softc = softc;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
if (cpi.maxio == 0)
softc->maxio = DFLTPHYS; /* traditional default */

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@ -393,9 +393,7 @@ targenable(struct targ_softc *softc, struct cam_path *path, int grp6_len,
return (CAM_LUN_ALRDY_ENA);
/* Make sure SIM supports target mode */
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NORMAL);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
status = cpi.ccb_h.status & CAM_STATUS_MASK;
if (status != CAM_REQ_CMP) {
printf("pathinq failed, status %#x\n", status);

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@ -709,9 +709,7 @@ probeschedule(struct cam_periph *periph)
softc = (probe_softc *)periph->softc;
ccb = (union ccb *)TAILQ_FIRST(&softc->request_ccbs);
xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, periph->path);
/*
* If a device has gone away and another device, or the same one,

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@ -2364,10 +2364,7 @@ storvsc_ada_probe_veto(void *arg __unused, struct cam_path *path,
if (path->device->protocol == PROTO_ATA) {
struct ccb_pathinq cpi;
bzero(&cpi, sizeof(cpi));
xpt_setup_ccb(&cpi.ccb_h, path, CAM_PRIORITY_NONE);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
xpt_path_inq(&cpi, path);
if (cpi.ccb_h.status == CAM_REQ_CMP &&
cpi.hba_vendor == PCI_VENDOR_INTEL &&
cpi.hba_device == PCI_PRODUCT_PIIX4) {