d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * CDDL HEADER START
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * The contents of this file are subject to the terms of the
44bb982b3dceb1fe23d61ef29b896b40508e2a5agovinda * Common Development and Distribution License (the "License").
44bb982b3dceb1fe23d61ef29b896b40508e2a5agovinda * You may not use this file except in compliance with the License.
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * See the License for the specific language governing permissions
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * and limitations under the License.
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * When distributing Covered Code, include this CDDL HEADER in each
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * If applicable, add the following below this CDDL HEADER, with the
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * fields enclosed by brackets "[]" replaced with your own identifying
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * information: Portions Copyright [yyyy] [name of copyright owner]
d4476ccb08e9498c2013971c4212dc6362fcec46schwartz * CDDL HEADER END
abdf5d9abf528d6c318fd8533e09bc3cac1f228bShesha Sreenivasamurthy * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Use is subject to license terms.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Delay needed to have a safe environment envelop any error which could
69cd775ffd53de411433f1f43de2b4f644793528schwartz * surface. The larger the number of bridges and switches, the larger the
69cd775ffd53de411433f1f43de2b4f644793528schwartz * number needed here.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Note: this is a workaround until a better solution is found. While this
69cd775ffd53de411433f1f43de2b4f644793528schwartz * number is high, given enough bridges and switches in the device path, this
69cd775ffd53de411433f1f43de2b4f644793528schwartz * workaround can break. Also, other PIL 15 interrupts besides the ones we are
69cd775ffd53de411433f1f43de2b4f644793528schwartz * enveloping could delay processing of the interrupt we are trying to protect.
69cd775ffd53de411433f1f43de2b4f644793528schwartz/* Currently there is no way of getting this info from hypervisor. */
69cd775ffd53de411433f1f43de2b4f644793528schwartz/* Number of inos per root complex. */
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz/* Verify hypervisor version for DIAG functions ra2pa and hpriv. */
0ad689d678ef901f32945172f48ddc7b16dde50dschwartzstatic int pxtool_hyp_version = PXTOOL_HYP_VER_UNINIT;
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz/* Swap endianness. */
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz typedef union {
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz for (i = 0; i < size; i++) {
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz returned_data.data8[7 - i] = orig_data.data8[8 - size + i];
0ad689d678ef901f32945172f48ddc7b16dde50dschwartzpxtool_validate_diag_hyp_svc(dev_info_t *dip, int *diag_svc_status_p)
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz * Verify that hypervisor DIAG API has been
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz * negotiated (by unix).
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz &pxtool_diag_maj_ver, &pxtool_diag_min_ver)) != 0) {
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz "diag hypervisor svc not negotiated: "
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz * Major version 1 is OK.
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz * Code maintainers: if the version changes, check for
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz * API changes in hv_ra2pa() and hv_hpriv() before
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz * accepting the new version.
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz "diag hypervisor svc: bad major number: "
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz "grp:0x%lx, maj:0x%lx, min:0x%lx\n",
69cd775ffd53de411433f1f43de2b4f644793528schwartz uint64_t *data_p, boolean_t is_big_endian, boolean_t is_write)
69cd775ffd53de411433f1f43de2b4f644793528schwartz "pxtool_phys_access: dev_addr:0x%" PRIx64 "\n", dev_addr);
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, " data_addr:0x%" PRIx64 ", is_write:%s\n",
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz pxtool_validate_diag_hyp_svc(dip, &pxtool_hyp_version);
0ad689d678ef901f32945172f48ddc7b16dde50dschwartz DBG(DBG_TOOLS, dip, "Couldn't validate diag hyp svc\n");
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz if ((rfunc = va_to_pa((void *)px_phys_acc_4v)) == (uint64_t)-1) {
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "Error getting real addr for function\n");
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "Error getting phys addr for function\n");
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz if ((rdata_addr = va_to_pa((void *)&local_data)) == (uint64_t)-1) {
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "Error getting real addr for data_p\n");
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "Error getting phys addr for data ptr\n");
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz rval = hv_hpriv((void *)pfunc, from_addr, to_addr, NULL);
69cd775ffd53de411433f1f43de2b4f644793528schwartz case H_ENOACCESS: /* Returned by non-debug hypervisor. */
69cd775ffd53de411433f1f43de2b4f644793528schwartz * This function is for PCI config space access.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * It assumes that offset, bdf, acc_attr are valid in prg_p.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * This function modifies prg_p status and data.
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartz * prg_p->phys_addr isn't used.
69cd775ffd53de411433f1f43de2b4f644793528schwartzpxtool_pcicfg_access(px_t *px_p, pcitool_reg_t *prg_p,
69cd775ffd53de411433f1f43de2b4f644793528schwartz size_t size = PCITOOL_ACC_ATTR_SIZE(prg_p->acc_attr);
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu DBG(DBG_TOOLS, dip, "not supported size.\n");
69cd775ffd53de411433f1f43de2b4f644793528schwartz /* Alignment checking. */
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu req.bdf = PCI_GETBDF(prg_p->bus_no, prg_p->dev_no, prg_p->func_no);
69cd775ffd53de411433f1f43de2b4f644793528schwartz case sizeof (uint8_t):
69cd775ffd53de411433f1f43de2b4f644793528schwartz case sizeof (uint16_t):
69cd775ffd53de411433f1f43de2b4f644793528schwartz case sizeof (uint32_t):
69cd775ffd53de411433f1f43de2b4f644793528schwartz case sizeof (uint64_t):
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu DBG(DBG_TOOLS, dip, "put: bdf:%d,%d,%d, off:0x%"PRIx64", size:"
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu prg_p->bus_no, prg_p->dev_no, prg_p->func_no,
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu case sizeof (uint8_t):
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu case sizeof (uint16_t):
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu case sizeof (uint32_t):
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu case sizeof (uint64_t):
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu DBG(DBG_TOOLS, dip, "get: bdf:%d,%d,%d, off:0x%"PRIx64", size:"
c0da627439dfb642fb41ab7d78406fc69d2c64b2Zhi-Jun Robin Fu prg_p->bus_no, prg_p->dev_no, prg_p->func_no,
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Workaround: delay taking down safe access env.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * For more info, see comments where pxtool_cfg_delay_usec is declared.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * This function is for PCI IO space and memory space access.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * It assumes that offset, bdf, acc_attr are current in prg_p.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * It assumes that prg_p->phys_addr is the final phys addr (including offset).
69cd775ffd53de411433f1f43de2b4f644793528schwartz * This function modifies prg_p status and data.
dabea0db6f27d1bf410afbc09b7dcec947a03164schwartzpxtool_pciiomem_access(px_t *px_p, pcitool_reg_t *prg_p,
69cd775ffd53de411433f1f43de2b4f644793528schwartz size_t size = PCITOOL_ACC_ATTR_SIZE(prg_p->acc_attr);
69cd775ffd53de411433f1f43de2b4f644793528schwartz /* Alignment checking. */
69cd775ffd53de411433f1f43de2b4f644793528schwartz rval = hvio_poke(px_p->px_dev_hdl, prg_p->phys_addr,
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "iomem:phys_addr:0x%" PRIx64 ", bdf:0x%x, "
69cd775ffd53de411433f1f43de2b4f644793528schwartz rval = hvio_peek(px_p->px_dev_hdl, prg_p->phys_addr,
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "iomem:phys_addr:0x%" PRIx64 ", "
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "read data:0x%" PRIx64 "\n", *data_p);
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Workaround: delay taking down safe access env.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * For more info, see comment where pxtool_iomem_delay_usec is declared.
69cd775ffd53de411433f1f43de2b4f644793528schwartz/*ARGSUSED*/
69cd775ffd53de411433f1f43de2b4f644793528schwartzpxtool_dev_reg_ops_platchk(dev_info_t *dip, pcitool_reg_t *prg_p)
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Perform register accesses on the nexus device itself.
69cd775ffd53de411433f1f43de2b4f644793528schwartzpxtool_bus_reg_ops(dev_info_t *dip, void *arg, int cmd, int mode)
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "pxtool_bus_reg_ops set/get reg\n");
69cd775ffd53de411433f1f43de2b4f644793528schwartz /* Read data from userland. */
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "raw bus:0x%x, dev:0x%x, func:0x%x\n",
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "barnum:0x%x, offset:0x%" PRIx64 ", acc:0x%x\n",
69cd775ffd53de411433f1f43de2b4f644793528schwartz DBG(DBG_TOOLS, dip, "data:0x%" PRIx64 ", phys_addr:0x%" PRIx64 "\n",
69cd775ffd53de411433f1f43de2b4f644793528schwartz * If bank num == ff, base phys addr passed in from userland.
69cd775ffd53de411433f1f43de2b4f644793528schwartz * Normal bank specification is invalid, as there is no OBP property to
69cd775ffd53de411433f1f43de2b4f644793528schwartz * back it up.
69cd775ffd53de411433f1f43de2b4f644793528schwartz /* Allow only size of 8-bytes. */
69cd775ffd53de411433f1f43de2b4f644793528schwartz /* Alignment checking. */
f0a73f0415a4150b270534bc7ed2cbb77d87c5a2schwartz * Only the hypervisor can access nexus registers. As a result, there
f0a73f0415a4150b270534bc7ed2cbb77d87c5a2schwartz * can be no error recovery in the OS. If there is an error, the
f0a73f0415a4150b270534bc7ed2cbb77d87c5a2schwartz * system will go down, but with a trap type 7f. The OS cannot
f0a73f0415a4150b270534bc7ed2cbb77d87c5a2schwartz * intervene with this kind of trap.
69cd775ffd53de411433f1f43de2b4f644793528schwartz /* Access device. prg.status is modified. */
69cd775ffd53de411433f1f43de2b4f644793528schwartz rval = pxtool_phys_access(px_p, prg.phys_addr, &prg.data,