px_lib4v.c revision 817a6df8b3316f1bd1c398f765f71964d8966da4
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/sysmacros.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>
#include <sys/ddifm.h>
#include <sys/fm/protocol.h>
#include <sys/vmem.h>
#include <sys/intr.h>
#include <sys/ivintr.h>
#include <sys/errno.h>
#include <sys/hypervisor_api.h>
#include <px_obj.h>
#include <sys/machsystm.h>
#include "px_lib4v.h"
#include "px_err.h"
/* mask for the ranges property in calculating the real PFN range */
uint_t px_ranges_phi_mask = ((1 << 28) -1);
int
px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl)
{
px_nexus_regspec_t *rp;
uint_t reglen;
int ret;
DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip);
ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
"reg", (uchar_t **)&rp, &reglen);
if (ret != DDI_PROP_SUCCESS) {
DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret);
return (DDI_FAILURE);
}
/*
* Initilize device handle. The device handle uniquely identifies
* a SUN4V device. It consists of the lower 28-bits of the hi-cell
* of the first entry of the SUN4V device's "reg" property as
* defined by the SUN4V Bus Binding to Open Firmware.
*/
*dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK);
ddi_prop_free(rp);
DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_dev_fini(dev_info_t *dip)
{
DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
sysino_t *sysino)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p "
"devino 0x%x\n", dip, devino);
if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip),
devino, sysino)) != H_EOK) {
DBG(DBG_LIB_INT, dip,
"hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n",
*sysino);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
intr_valid_state_t *intr_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n",
dip, sysino);
if ((ret = hvio_intr_getvalid(sysino,
(int *)intr_valid_state)) != H_EOK) {
DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n",
ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n",
*intr_valid_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
intr_valid_state_t intr_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx "
"intr_valid_state 0x%x\n", dip, sysino, intr_valid_state);
if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) {
DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n",
ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
intr_state_t *intr_state)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n",
dip, sysino);
if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) {
DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n",
ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n",
*intr_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
intr_state_t intr_state)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx "
"intr_state 0x%x\n", dip, sysino, intr_state);
if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) {
DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n",
ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n",
dip, sysino);
if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) {
DBG(DBG_LIB_INT, dip,
"hvio_intr_gettarget failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", cpuid);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid)
{
uint64_t ret;
DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx "
"cpuid 0x%x\n", dip, sysino, cpuid);
if ((ret = hvio_intr_settarget(sysino, cpuid)) != H_EOK) {
DBG(DBG_LIB_INT, dip,
"hvio_intr_settarget failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_intr_reset(dev_info_t *dip)
{
DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
io_attributes_t io_attributes, void *addr, size_t pfn_index,
int flag)
{
pages_t pgs_mapped = 0, pgs_cnt = 0;
pages_t pgs = pages;
tsbnum_t tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
tsbindex_t tsbindex = PCI_TSBID_TO_TSBINDEX(tsbid);
io_page_list_t *io_page_list_p, *ptr;
int i, err = DDI_SUCCESS;
uint64_t ret;
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx "
"pages 0x%x atrr 0x%x addr 0x%p pfn_index 0x%llx, flag 0x%x\n",
dip, tsbid, pages, io_attributes, addr, pfn_index, flag);
if ((ptr = kmem_zalloc((pages * sizeof (io_page_list_t)),
KM_NOSLEEP)) == NULL) {
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n");
return (DDI_FAILURE);
}
io_page_list_p = (io_page_list_t *)ptr;
if (flag == MMU_MAP_MP) {
ddi_dma_impl_t *mp = (ddi_dma_impl_t *)addr;
for (i = 0; i < pages; i++, pfn_index++) {
px_iopfn_t pfn = PX_GET_MP_PFN(mp, pfn_index);
io_page_list_p[i] = MMU_PTOB(pfn);
}
} else {
caddr_t a = (caddr_t)addr;
for (i = 0; i < pages; i++, a += MMU_PAGE_SIZE) {
px_iopfn_t pfn = hat_getpfnum(kas.a_hat, a);
io_page_list_p[i] = MMU_PTOB(pfn);
}
}
io_page_list_p = (io_page_list_t *)va_to_pa(ptr);
pgs_mapped = 0;
while (pgs) {
if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip),
PCI_TSBID(tsb_num, tsbindex), pgs, io_attributes,
io_page_list_p, &pgs_cnt)) != H_EOK) {
DBG(DBG_LIB_DMA, dip,
"hvio_iommu_map failed, ret 0x%lx\n", ret);
err = DDI_FAILURE;
break;
}
pgs_mapped += pgs_cnt;
pgs -= pgs_cnt;
tsbindex += pgs_cnt;
io_page_list_p += pgs_cnt;
pgs_cnt = 0;
}
if ((err == DDI_FAILURE) && (pgs_mapped))
(void) px_lib_iommu_demap(dip, tsbid, pgs_mapped);
kmem_free(ptr, (pages * sizeof (io_page_list_t)));
return (err);
}
/*ARGSUSED*/
int
px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages)
{
tsbnum_t tsb_num = PCI_TSBID_TO_TSBNUM(tsbid);
tsbindex_t tsbindex = PCI_TSBID_TO_TSBINDEX(tsbid);
pages_t pgs_cnt = 0;
uint64_t ret;
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx "
"pages 0x%x\n", dip, tsbid, pages);
while (pages) {
if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip),
PCI_TSBID(tsb_num, tsbindex), pages,
&pgs_cnt)) != H_EOK) {
DBG(DBG_LIB_DMA, dip,
"hvio_iommu_demap failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
pages -= pgs_cnt;
tsbindex += pgs_cnt;
pgs_cnt = 0;
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid,
io_attributes_t *attributes_p, r_addr_t *r_addr_p)
{
uint64_t ret;
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n",
dip, tsbid);
if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid,
attributes_p, r_addr_p)) != H_EOK) {
DBG(DBG_LIB_DMA, dip,
"hvio_iommu_getmap failed, ret 0x%lx\n", ret);
return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE);
}
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%x r_addr 0x%llx\n",
*attributes_p, *r_addr_p);
return (DDI_SUCCESS);
}
/*
* Checks dma attributes against system bypass ranges
* A sun4v device must be capable of generating the entire 64-bit
* address in order to perform bypass DMA.
*/
/*ARGSUSED*/
int
px_lib_dma_bypass_rngchk(ddi_dma_attr_t *attrp, uint64_t *lo_p, uint64_t *hi_p)
{
if ((attrp->dma_attr_addr_lo != 0ull) ||
(attrp->dma_attr_addr_hi != UINT64_MAX)) {
return (DDI_DMA_BADATTR);
}
*lo_p = 0ull;
*hi_p = UINT64_MAX;
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra,
io_attributes_t io_attributes, io_addr_t *io_addr_p)
{
uint64_t ret;
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx "
"attr 0x%x\n", dip, ra, io_attributes);
if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra,
io_attributes, io_addr_p)) != H_EOK) {
DBG(DBG_LIB_DMA, dip,
"hvio_iommu_getbypass failed, ret 0x%lx\n", ret);
return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE);
}
DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n",
*io_addr_p);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
off_t off, size_t len, uint_t cache_flags)
{
ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle;
uint64_t sync_dir;
px_dvma_addr_t dvma_addr, pg_off;
size_t num_sync;
uint64_t status = H_EOK;
DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p "
"handle 0x%llx off 0x%x len 0x%x flags 0x%x\n",
dip, rdip, handle, off, len, cache_flags);
if (!(mp->dmai_flags & DMAI_FLAGS_INUSE)) {
cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.",
ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp);
return (DDI_FAILURE);
}
if (mp->dmai_flags & DMAI_FLAGS_NOSYNC)
return (DDI_SUCCESS);
if (!len)
len = mp->dmai_size;
pg_off = mp->dmai_offset; /* start min */
dvma_addr = MAX(off, pg_off); /* lo */
pg_off += mp->dmai_size; /* end max */
pg_off = MIN(off + len, pg_off); /* hi */
if (dvma_addr >= pg_off) { /* lo >= hi ? */
cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]",
ddi_driver_name(rdip), ddi_get_instance(rdip),
off, len, mp->dmai_offset,
mp->dmai_offset + mp->dmai_size);
return (DDI_FAILURE);
}
len = pg_off - dvma_addr; /* sz = hi - lo */
dvma_addr += mp->dmai_mapping; /* start addr */
if (mp->dmai_rflags & DDI_DMA_READ)
sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV;
else
sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV;
for (; ((len > 0) && (status == H_EOK)); len -= num_sync) {
status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len,
sync_dir, &num_sync);
dvma_addr += num_sync;
}
return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE);
}
/*
* MSIQ Functions:
*/
/*ARGSUSED*/
int
px_lib_msiq_init(dev_info_t *dip)
{
px_t *px_p = DIP_TO_STATE(dip);
px_msiq_state_t *msiq_state_p = &px_p->px_ib_p->ib_msiq_state;
uint64_t *msiq_addr, ra;
size_t msiq_size;
uint_t rec_cnt;
int i, err = DDI_SUCCESS;
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip);
msiq_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p +
(MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT);
msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t);
for (i = 0; i < msiq_state_p->msiq_cnt; i++) {
ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (i * msiq_size));
if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip),
(i + msiq_state_p->msiq_1st_msiq_id),
ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_conf failed, ret 0x%lx\n", ret);
err = DDI_FAILURE;
break;
}
if ((err = px_lib_msiq_info(dip,
(i + msiq_state_p->msiq_1st_msiq_id),
&ra, &rec_cnt)) != DDI_SUCCESS) {
DBG(DBG_LIB_MSIQ, dip,
"px_lib_msiq_info failed, ret 0x%x\n", err);
err = DDI_FAILURE;
break;
}
DBG(DBG_LIB_MSIQ, dip,
"px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt);
}
return (err);
}
/*ARGSUSED*/
int
px_lib_msiq_fini(dev_info_t *dip)
{
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p,
uint_t *msiq_rec_cnt_p)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n",
dip, msiq_id);
if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip),
msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_info failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n",
ra_p, *msiq_rec_cnt_p);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
pci_msiq_valid_state_t *msiq_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n",
dip, msiq_id);
if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip),
msiq_id, msiq_valid_state)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_getvalid failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n",
*msiq_valid_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
pci_msiq_valid_state_t msiq_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x "
"msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state);
if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip),
msiq_id, msiq_valid_state)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_setvalid failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
pci_msiq_state_t *msiq_state)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n",
dip, msiq_id);
if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip),
msiq_id, msiq_state)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_getstate failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n",
*msiq_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
pci_msiq_state_t msiq_state)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x "
"msiq_state 0x%x\n", dip, msiq_id, msiq_state);
if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip),
msiq_id, msiq_state)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_setstate failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
msiqhead_t *msiq_head_p)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n",
dip, msiq_id);
if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip),
msiq_id, msiq_head_p)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_gethead failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
*msiq_head_p = (*msiq_head_p / sizeof (msiq_rec_t));
DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n",
*msiq_head_p);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
msiqhead_t msiq_head)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x "
"msiq_head 0x%x\n", dip, msiq_id, msiq_head);
if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip),
msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_sethead failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
msiqtail_t *msiq_tail_p)
{
uint64_t ret;
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n",
dip, msiq_id);
if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip),
msiq_id, msiq_tail_p)) != H_EOK) {
DBG(DBG_LIB_MSIQ, dip,
"hvio_msiq_gettail failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
*msiq_tail_p = (*msiq_tail_p / sizeof (msiq_rec_t));
DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n",
*msiq_tail_p);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
void
px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p)
{
msiq_rec_t *curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr;
DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip);
if (!curr_msiq_rec_p->msiq_rec_type)
return;
*msiq_rec_p = *curr_msiq_rec_p;
/* Zero out msiq_rec_type field */
curr_msiq_rec_p->msiq_rec_type = 0;
}
/*
* MSI Functions:
*/
/*ARGSUSED*/
int
px_lib_msi_init(dev_info_t *dip)
{
DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip);
/* Noop */
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
msiqid_t *msiq_id)
{
uint64_t ret;
DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n",
dip, msi_num);
if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip),
msi_num, msiq_id)) != H_EOK) {
DBG(DBG_LIB_MSI, dip,
"hvio_msi_getmsiq failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n",
*msiq_id);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
msiqid_t msiq_id, msi_type_t msitype)
{
uint64_t ret;
DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x "
"msq_id 0x%x\n", dip, msi_num, msiq_id);
if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip),
msi_num, msiq_id, msitype)) != H_EOK) {
DBG(DBG_LIB_MSI, dip,
"hvio_msi_setmsiq failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
pci_msi_valid_state_t *msi_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n",
dip, msi_num);
if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip),
msi_num, msi_valid_state)) != H_EOK) {
DBG(DBG_LIB_MSI, dip,
"hvio_msi_getvalid failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n",
*msi_valid_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
pci_msi_valid_state_t msi_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x "
"msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state);
if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip),
msi_num, msi_valid_state)) != H_EOK) {
DBG(DBG_LIB_MSI, dip,
"hvio_msi_setvalid failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
pci_msi_state_t *msi_state)
{
uint64_t ret;
DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n",
dip, msi_num);
if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip),
msi_num, msi_state)) != H_EOK) {
DBG(DBG_LIB_MSI, dip,
"hvio_msi_getstate failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n",
*msi_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
pci_msi_state_t msi_state)
{
uint64_t ret;
DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x "
"msi_state 0x%x\n", dip, msi_num, msi_state);
if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip),
msi_num, msi_state)) != H_EOK) {
DBG(DBG_LIB_MSI, dip,
"hvio_msi_setstate failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*
* MSG Functions:
*/
/*ARGSUSED*/
int
px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
msiqid_t *msiq_id)
{
uint64_t ret;
DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n",
dip, msg_type);
if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip),
msg_type, msiq_id)) != H_EOK) {
DBG(DBG_LIB_MSG, dip,
"hvio_msg_getmsiq failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n",
*msiq_id);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
msiqid_t msiq_id)
{
uint64_t ret;
DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x "
"msq_id 0x%x\n", dip, msg_type, msiq_id);
if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip),
msg_type, msiq_id)) != H_EOK) {
DBG(DBG_LIB_MSG, dip,
"hvio_msg_setmsiq failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
pcie_msg_valid_state_t *msg_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n",
dip, msg_type);
if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type,
msg_valid_state)) != H_EOK) {
DBG(DBG_LIB_MSG, dip,
"hvio_msg_getvalid failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n",
*msg_valid_state);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
int
px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
pcie_msg_valid_state_t msg_valid_state)
{
uint64_t ret;
DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x "
"msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state);
if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type,
msg_valid_state)) != H_EOK) {
DBG(DBG_LIB_MSG, dip,
"hvio_msg_setvalid failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
/*
* Suspend/Resume Functions:
* Currently unsupported by hypervisor and all functions are noops.
*/
/*ARGSUSED*/
int
px_lib_suspend(dev_info_t *dip)
{
DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n");
/* Not supported */
return (DDI_FAILURE);
}
/*ARGSUSED*/
void
px_lib_resume(dev_info_t *dip)
{
DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n");
/* Noop */
}
/*
* PCI tool Functions:
* Currently unsupported by hypervisor and all functions are noops.
*/
/*ARGSUSED*/
int
px_lib_tools_dev_reg_ops(dev_info_t *dip, void *arg, int cmd, int mode)
{
DBG(DBG_TOOLS, dip, "px_lib_tools_dev_reg_ops: Not supported\n");
return (DDI_FAILURE);
}
/*ARGSUSED*/
int
px_lib_tools_bus_reg_ops(dev_info_t *dip, void *arg, int cmd, int mode)
{
DBG(DBG_TOOLS, dip, "px_lib_tools_bus_reg_ops: Not supported\n");
return (DDI_FAILURE);
}
/*ARGSUSED*/
int
px_lib_tools_intr_admn(dev_info_t *dip, void *arg, int cmd, int mode)
{
DBG(DBG_TOOLS, dip, "px_lib_tools_intr_admn: Not supported\n");
return (DDI_FAILURE);
}
/*
* Misc Functions:
* Currently unsupported by hypervisor and all functions are noops.
*/
/*ARGSUSED*/
uint64_t
px_lib_get_cb(dev_info_t *dip)
{
return (DDI_SUCCESS);
}
/*ARGSUSED*/
void
px_lib_set_cb(dev_info_t *dip, uint64_t val)
{
/* Noop */
}
/*ARGSUSED*/
static int
px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
uint8_t size, pci_cfg_data_t *data_p)
{
uint64_t ret;
DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx "
"off 0x%x size 0x%x\n", dip, bdf, off, size);
if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off,
size, data_p)) != H_EOK) {
DBG(DBG_LIB_CFG, dip,
"hvio_config_get failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw);
return (DDI_SUCCESS);
}
/*ARGSUSED*/
static int
px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off,
uint8_t size, pci_cfg_data_t data)
{
uint64_t ret;
DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx "
"off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw);
if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off,
size, data)) != H_EOK) {
DBG(DBG_LIB_CFG, dip,
"hvio_config_put failed, ret 0x%lx\n", ret);
return (DDI_FAILURE);
}
return (DDI_SUCCESS);
}
static uint32_t
px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size)
{
px_config_acc_pvt_t *px_pvt = (px_config_acc_pvt_t *)
handle->ahi_common.ah_bus_private;
uint32_t pci_dev_addr = px_pvt->raddr;
uint32_t vaddr = px_pvt->vaddr;
uint16_t off = (uint16_t)(addr - vaddr) & 0xfff;
uint32_t rdata = 0;
if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off,
size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS)
/* XXX update error kstats */
return (0xffffffff);
return (rdata);
}
static void
px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr,
int size, pci_cfg_data_t wdata)
{
px_config_acc_pvt_t *px_pvt = (px_config_acc_pvt_t *)
handle->ahi_common.ah_bus_private;
uint32_t pci_dev_addr = px_pvt->raddr;
uint32_t vaddr = px_pvt->vaddr;
uint16_t off = (uint16_t)(addr - vaddr) & 0xfff;
if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off,
size, wdata) != DDI_SUCCESS) {
/*EMPTY*/
/* XXX update error kstats */
}
}
static uint8_t
px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr)
{
return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1));
}
static uint16_t
px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr)
{
return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2));
}
static uint32_t
px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr)
{
return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4));
}
static uint64_t
px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr)
{
uint32_t rdatah, rdatal;
rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4);
rdatah = (uint32_t)px_pci_config_get(handle,
(uint32_t *)((char *)addr+4), 4);
return (((uint64_t)rdatah << 32) | rdatal);
}
static void
px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data)
{
pci_cfg_data_t wdata = { 0 };
wdata.qw = (uint8_t)data;
px_pci_config_put(handle, (uint32_t *)addr, 1, wdata);
}
static void
px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data)
{
pci_cfg_data_t wdata = { 0 };
wdata.qw = (uint16_t)data;
px_pci_config_put(handle, (uint32_t *)addr, 2, wdata);
}
static void
px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data)
{
pci_cfg_data_t wdata = { 0 };
wdata.qw = (uint32_t)data;
px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
}
static void
px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data)
{
pci_cfg_data_t wdata = { 0 };
wdata.qw = (uint32_t)(data & 0xffffffff);
px_pci_config_put(handle, (uint32_t *)addr, 4, wdata);
wdata.qw = (uint32_t)((data >> 32) & 0xffffffff);
px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata);
}
static void
px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr,
uint8_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get8(handle, dev_addr++);
else
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get8(handle, dev_addr);
}
/*
* Function to rep read 16 bit data off the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr,
uint16_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get16(handle, dev_addr++);
else
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get16(handle, dev_addr);
}
/*
* Function to rep read 32 bit data off the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr,
uint32_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get32(handle, dev_addr++);
else
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get32(handle, dev_addr);
}
/*
* Function to rep read 64 bit data off the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr,
uint64_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get64(handle, dev_addr++);
else
for (; repcount; repcount--)
*host_addr++ = px_pci_config_get64(handle, dev_addr);
}
/*
* Function to rep write 8 bit data into the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr,
uint8_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
px_pci_config_put8(handle, dev_addr++, *host_addr++);
else
for (; repcount; repcount--)
px_pci_config_put8(handle, dev_addr, *host_addr++);
}
/*
* Function to rep write 16 bit data into the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr,
uint16_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
px_pci_config_put16(handle, dev_addr++, *host_addr++);
else
for (; repcount; repcount--)
px_pci_config_put16(handle, dev_addr, *host_addr++);
}
/*
* Function to rep write 32 bit data into the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr,
uint32_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
px_pci_config_put32(handle, dev_addr++, *host_addr++);
else
for (; repcount; repcount--)
px_pci_config_put32(handle, dev_addr, *host_addr++);
}
/*
* Function to rep write 64 bit data into the PCI configuration space behind
* the 21554's host interface.
*/
static void
px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr,
uint64_t *dev_addr, size_t repcount, uint_t flags)
{
if (flags == DDI_DEV_AUTOINCR)
for (; repcount; repcount--)
px_pci_config_put64(handle, dev_addr++, *host_addr++);
else
for (; repcount; repcount--)
px_pci_config_put64(handle, dev_addr, *host_addr++);
}
/*
* Provide a private access handle to route config access calls to Hypervisor.
* Beware: Do all error checking for config space accesses before calling
* this function. ie. do error checking from the calling function.
* Due to a lack of meaningful error code in DDI, the gauranteed return of
* DDI_SUCCESS from here makes the code organization readable/easier from
* the generic code.
*/
/*ARGSUSED*/
int
px_lib_map_vconfig(dev_info_t *dip,
ddi_map_req_t *mp, pci_config_offset_t off,
pci_regspec_t *rp, caddr_t *addrp)
{
ddi_acc_hdl_t *hp;
ddi_acc_impl_t *ap;
uchar_t busnum; /* bus number */
uchar_t devnum; /* device number */
uchar_t funcnum; /* function number */
px_config_acc_pvt_t *px_pvt;
hp = (ddi_acc_hdl_t *)mp->map_handlep;
ap = (ddi_acc_impl_t *)hp->ah_platform_private;
/* Check for mapping teardown operation */
if ((mp->map_op == DDI_MO_UNMAP) ||
(mp->map_op == DDI_MO_UNLOCK)) {
/* free up memory allocated for the private access handle. */
px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private;
kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t));
/* unmap operation of PCI IO/config space. */
return (DDI_SUCCESS);
}
ap->ahi_get8 = px_pci_config_get8;
ap->ahi_get16 = px_pci_config_get16;
ap->ahi_get32 = px_pci_config_get32;
ap->ahi_get64 = px_pci_config_get64;
ap->ahi_put8 = px_pci_config_put8;
ap->ahi_put16 = px_pci_config_put16;
ap->ahi_put32 = px_pci_config_put32;
ap->ahi_put64 = px_pci_config_put64;
ap->ahi_rep_get8 = px_pci_config_rep_get8;
ap->ahi_rep_get16 = px_pci_config_rep_get16;
ap->ahi_rep_get32 = px_pci_config_rep_get32;
ap->ahi_rep_get64 = px_pci_config_rep_get64;
ap->ahi_rep_put8 = px_pci_config_rep_put8;
ap->ahi_rep_put16 = px_pci_config_rep_put16;
ap->ahi_rep_put32 = px_pci_config_rep_put32;
ap->ahi_rep_put64 = px_pci_config_rep_put64;
/* Initialize to default check/notify functions */
ap->ahi_fault = 0;
ap->ahi_fault_check = i_ddi_acc_fault_check;
ap->ahi_fault_notify = i_ddi_acc_fault_notify;
/* allocate memory for our private handle */
px_pvt = (px_config_acc_pvt_t *)
kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP);
hp->ah_bus_private = (void *)px_pvt;
busnum = PCI_REG_BUS_G(rp->pci_phys_hi);
devnum = PCI_REG_DEV_G(rp->pci_phys_hi);
funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi);
/* set up private data for use during IO routines */
/* addr needed by the HV APIs */
px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8;
/*
* Address that specifies the actual offset into the 256MB
* memory mapped configuration space, 4K per device.
* First 12bits form the offset into 4K config space.
* This address is only used during the IO routines to calculate
* the offset at which the transaction must be performed.
* Drivers bypassing DDI functions to access PCI config space will
* panic the system since the following is a bogus virtual address.
*/
px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off;
px_pvt->dip = dip;
DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n",
px_pvt->raddr, px_pvt->vaddr);
*addrp = (caddr_t)px_pvt->vaddr;
return (DDI_SUCCESS);
}
/*
* px_lib_log_safeacc_err:
* Imitate a cpu/mem trap call when a peek/poke fails.
* This will initiate something similar to px_fm_callback.
*/
static void
px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag)
{
ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle;
px_cb_t *cb_p = px_p->px_cb_p;
ddi_fm_error_t derr;
derr.fme_status = DDI_FM_NONFATAL;
derr.fme_version = DDI_FME_VERSION;
derr.fme_flag = fme_flag;
derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1);
derr.fme_acc_handle = handle;
if (hp)
hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED;
mutex_enter(&cb_p->xbc_fm_mutex);
(void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr);
mutex_exit(&cb_p->xbc_fm_mutex);
}
#ifdef DEBUG
int px_peekfault_cnt = 0;
int px_pokefault_cnt = 0;
#endif /* DEBUG */
static int
px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf)
{
/* Start with an array of 8 reg spaces for now to cover most devices. */
pci_regspec_t regspec_array[8];
pci_regspec_t *regspec = regspec_array;
int buflen = sizeof (regspec_array);
boolean_t kmalloced = B_FALSE;
int status;
status = ddi_getlongprop_buf(DDI_DEV_T_NONE, rdip,
DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
/* If need more space, fallback to kmem_alloc. */
if (status == DDI_PROP_BUF_TOO_SMALL) {
regspec = kmem_alloc(buflen, KM_SLEEP);
status = ddi_getlongprop_buf(DDI_DEV_T_NONE, rdip,
DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen);
kmalloced = B_TRUE;
}
/* Get phys_hi from first element. All have same bdf. */
if (status == DDI_PROP_SUCCESS)
*bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M);
if (kmalloced)
kmem_free(regspec, buflen);
return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE);
}
/*
* Do a safe write to a device.
*
* When this function is given a handle (cautious access), all errors are
* suppressed.
*
* When this function is not given a handle (poke), only Unsupported Request
* and Completer Abort errors are suppressed.
*
* In all cases, all errors are returned in the function return status.
*/
int
px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
peekpoke_ctlops_t *in_args)
{
px_t *px_p = DIP_TO_STATE(dip);
px_pec_t *pec_p = px_p->px_pec_p;
ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
size_t repcount = in_args->repcount;
size_t size = in_args->size;
uintptr_t dev_addr = in_args->dev_addr;
uintptr_t host_addr = in_args->host_addr;
int err = DDI_SUCCESS;
uint64_t hvio_poke_status;
uint32_t bdf;
uint32_t wrt_stat;
r_addr_t ra;
uint64_t pokeval;
/*
* Used only to notify error handling peek/poke is occuring
* One scenario is when a fabric err as a result of peek/poke.
* However there is no way to guarantee that the fabric error
* handler will occur in the window where otd is set.
*/
on_trap_data_t otd;
if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) {
DBG(DBG_LIB_DMA, px_p->px_dip,
"poke: px_lib_bdf_from_dip failed\n");
err = DDI_FAILURE;
goto done;
}
ra = (r_addr_t)va_to_pa((void *)dev_addr);
for (; repcount; repcount--) {
switch (size) {
case sizeof (uint8_t):
pokeval = *(uint8_t *)host_addr;
break;
case sizeof (uint16_t):
pokeval = *(uint16_t *)host_addr;
break;
case sizeof (uint32_t):
pokeval = *(uint32_t *)host_addr;
break;
case sizeof (uint64_t):
pokeval = *(uint64_t *)host_addr;
break;
default:
DBG(DBG_MAP, px_p->px_dip,
"poke: invalid size %d passed\n", size);
err = DDI_FAILURE;
goto done;
}
/*
* Grab pokefault mutex since hypervisor does not guarantee
* poke serialization.
*/
if (hp) {
i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
(ddi_acc_handle_t)hp);
pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
} else {
mutex_enter(&pec_p->pec_pokefault_mutex);
pec_p->pec_safeacc_type = DDI_FM_ERR_POKE;
}
pec_p->pec_ontrap_data = &otd;
hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size,
pokeval, bdf, &wrt_stat);
if (otd.ot_trap & OT_DATA_ACCESS)
err = DDI_FAILURE;
if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) {
err = DDI_FAILURE;
#ifdef DEBUG
px_pokefault_cnt++;
#endif
/*
* For CAUTIOUS and POKE access, notify FMA to
* cleanup. Imitate a cpu/mem trap call like in sun4u.
*/
px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
(hp ? DDI_FM_ERR_EXPECTED :
DDI_FM_ERR_POKE));
pec_p->pec_ontrap_data = NULL;
pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
if (hp) {
i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
(ddi_acc_handle_t)hp);
} else {
mutex_exit(&pec_p->pec_pokefault_mutex);
}
goto done;
}
pec_p->pec_ontrap_data = NULL;
pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
if (hp) {
i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
(ddi_acc_handle_t)hp);
} else {
mutex_exit(&pec_p->pec_pokefault_mutex);
}
host_addr += size;
if (in_args->flags == DDI_DEV_AUTOINCR) {
dev_addr += size;
ra = (r_addr_t)va_to_pa((void *)dev_addr);
}
}
done:
return (err);
}
/*ARGSUSED*/
int
px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
peekpoke_ctlops_t *in_args, void *result)
{
px_t *px_p = DIP_TO_STATE(dip);
px_pec_t *pec_p = px_p->px_pec_p;
ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle;
size_t repcount = in_args->repcount;
uintptr_t dev_addr = in_args->dev_addr;
uintptr_t host_addr = in_args->host_addr;
r_addr_t ra;
uint32_t read_status;
uint64_t hvio_peek_status;
uint64_t peekval;
int err = DDI_SUCCESS;
/*
* Used only to notify error handling peek/poke is occuring
* One scenario is when a fabric err as a result of peek/poke.
* However there is no way to guarantee that the fabric error
* handler will occur in the window where otd is set.
*/
on_trap_data_t otd;
result = (void *)in_args->host_addr;
ra = (r_addr_t)va_to_pa((void *)dev_addr);
for (; repcount; repcount--) {
/* Lock pokefault mutex so read doesn't mask a poke fault. */
if (hp) {
i_ndi_busop_access_enter(hp->ahi_common.ah_dip,
(ddi_acc_handle_t)hp);
pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED;
} else {
mutex_enter(&pec_p->pec_pokefault_mutex);
pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK;
}
pec_p->pec_ontrap_data = &otd;
hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra,
in_args->size, &read_status, &peekval);
if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) {
err = DDI_FAILURE;
/*
* For CAUTIOUS and PEEK access, notify FMA to
* cleanup. Imitate a cpu/mem trap call like in sun4u.
*/
px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp,
(hp ? DDI_FM_ERR_EXPECTED :
DDI_FM_ERR_PEEK));
/* Stuff FFs in host addr if peek. */
if (hp == NULL) {
int i;
uint8_t *ff_addr = (uint8_t *)host_addr;
for (i = 0; i < in_args->size; i++)
*ff_addr++ = 0xff;
}
#ifdef DEBUG
px_peekfault_cnt++;
#endif
pec_p->pec_ontrap_data = NULL;
pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
if (hp) {
i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
(ddi_acc_handle_t)hp);
} else {
mutex_exit(&pec_p->pec_pokefault_mutex);
}
goto done;
}
pec_p->pec_ontrap_data = NULL;
pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED;
if (hp) {
i_ndi_busop_access_exit(hp->ahi_common.ah_dip,
(ddi_acc_handle_t)hp);
} else {
mutex_exit(&pec_p->pec_pokefault_mutex);
}
switch (in_args->size) {
case sizeof (uint8_t):
*(uint8_t *)host_addr = (uint8_t)peekval;
break;
case sizeof (uint16_t):
*(uint16_t *)host_addr = (uint16_t)peekval;
break;
case sizeof (uint32_t):
*(uint32_t *)host_addr = (uint32_t)peekval;
break;
case sizeof (uint64_t):
*(uint64_t *)host_addr = (uint64_t)peekval;
break;
default:
DBG(DBG_MAP, px_p->px_dip,
"peek: invalid size %d passed\n",
in_args->size);
err = DDI_FAILURE;
goto done;
}
host_addr += in_args->size;
if (in_args->flags == DDI_DEV_AUTOINCR) {
dev_addr += in_args->size;
ra = (r_addr_t)va_to_pa((void *)dev_addr);
}
}
done:
return (err);
}
/* add interrupt vector */
int
px_err_add_intr(px_fault_t *px_fault_p)
{
int ret;
px_t *px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
DBG(DBG_LIB_INT, px_p->px_dip,
"px_err_add_intr: calling add_ivintr");
ret = add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL,
px_fault_p->px_err_func, (caddr_t)px_fault_p,
(caddr_t)&px_fault_p->px_intr_payload[0]);
if (ret != DDI_SUCCESS) {
DBG(DBG_LIB_INT, px_p->px_dip,
"add_ivintr returns %d, faultp: %p", ret, px_fault_p);
return (ret);
}
DBG(DBG_LIB_INT, px_p->px_dip,
"px_err_add_intr: ib_intr_enable ");
px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino);
return (ret);
}
/* remove interrupt vector */
void
px_err_rem_intr(px_fault_t *px_fault_p)
{
px_t *px_p = DIP_TO_STATE(px_fault_p->px_fh_dip);
rem_ivintr(px_fault_p->px_fh_sysino, NULL);
px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino,
IB_INTR_WAIT);
}
#ifdef FMA
void
px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status)
{
px_pec_err_t *err_pkt;
err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload;
/* initialise all the structure members */
rc_status->status_valid = 0;
if (err_pkt->pec_descr.P) {
/* PCI Status Register */
rc_status->pci_err_status = err_pkt->pci_err_status;
rc_status->status_valid |= PCI_ERR_STATUS_VALID;
}
if (err_pkt->pec_descr.E) {
/* PCIe Status Register */
rc_status->pcie_err_status = err_pkt->pcie_err_status;
rc_status->status_valid |= PCIE_ERR_STATUS_VALID;
}
if (err_pkt->pec_descr.U) {
rc_status->ue_status = err_pkt->ue_reg_status;
rc_status->status_valid |= UE_STATUS_VALID;
}
if (err_pkt->pec_descr.H) {
rc_status->ue_hdr1 = err_pkt->hdr[0];
rc_status->status_valid |= UE_HDR1_VALID;
}
if (err_pkt->pec_descr.I) {
rc_status->ue_hdr2 = err_pkt->hdr[1];
rc_status->status_valid |= UE_HDR2_VALID;
}
/* ue_fst_err_ptr - not available for sun4v?? */
if (err_pkt->pec_descr.S) {
rc_status->source_id = err_pkt->err_src_reg;
rc_status->status_valid |= SOURCE_ID_VALID;
}
if (err_pkt->pec_descr.R) {
rc_status->root_err_status = err_pkt->root_err_status;
rc_status->status_valid |= CE_STATUS_VALID;
}
}
#endif
/*ARGSUSED*/
int
px_lib_pmctl(int cmd, px_t *px_p)
{
return (DDI_FAILURE);
}
/*ARGSUSED*/
uint_t
px_lup_softintr(caddr_t arg)
{
return (DDI_INTR_CLAIMED);
}
/*ARGSUSED*/
uint_t
px_pmeq_intr(caddr_t arg)
{
return (DDI_INTR_CLAIMED);
}
/*
* Unprotected raw reads/writes of fabric device's config space.
* Only used for temporary PCI-E Fabric Error Handling.
*/
uint32_t
px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) {
uint32_t data = 0;
(void) hvio_config_get(px_p->px_dev_hdl,
(bdf << PX_RA_BDF_SHIFT), offset, 4,
(pci_cfg_data_t *)&data);
return (data);
}
void
px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
uint32_t val) {
pci_cfg_data_t wdata = { 0 };
wdata.qw = (uint32_t)val;
(void) hvio_config_put(px_p->px_dev_hdl,
(bdf << PX_RA_BDF_SHIFT), offset, 4, wdata);
}
/* Dummy cpr add callback */
/*ARGSUSED*/
void
px_cpr_add_callb(px_t *px_p)
{
}
/* Dummy cpr rem callback */
/*ARGSUSED*/
void
px_cpr_rem_callb(px_t *px_p)
{
}