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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/machsystm.h>
#include <sys/cpu.h>
#include <sys/intreg.h>
#include <sys/machcpuvar.h>
#include <vm/hat_sfmmu.h>
#include <sys/error.h>
#include <sys/hypervisor_api.h>
void
cpu_intrq_register(struct cpu *cpu)
{
struct machcpu *mcpup = &cpu->cpu_m;
uint64_t ret;
ret = hv_cpu_qconf(INTR_CPU_Q, mcpup->cpu_q_base_pa, cpu_q_entries);
if (ret != H_EOK)
cmn_err(CE_PANIC, "cpu%d: cpu_mondo queue configuration "
"failed, error %lu", cpu->cpu_id, ret);
ret = hv_cpu_qconf(INTR_DEV_Q, mcpup->dev_q_base_pa, dev_q_entries);
if (ret != H_EOK)
cmn_err(CE_PANIC, "cpu%d: dev_mondo queue configuration "
"failed, error %lu", cpu->cpu_id, ret);
ret = hv_cpu_qconf(CPU_RQ, mcpup->cpu_rq_base_pa, cpu_rq_entries);
if (ret != H_EOK)
cmn_err(CE_PANIC, "cpu%d: resumable error queue configuration "
"failed, error %lu", cpu->cpu_id, ret);
ret = hv_cpu_qconf(CPU_NRQ, mcpup->cpu_nrq_base_pa, cpu_nrq_entries);
if (ret != H_EOK)
cmn_err(CE_PANIC, "cpu%d: non-resumable error queue "
"configuration failed, error %lu", cpu->cpu_id, ret);
}
int
cpu_intrq_setup(struct cpu *cpu)
{
struct machcpu *mcpup = &cpu->cpu_m;
size_t size;
/*
* This routine will return with an error return if any
* contig_mem_alloc() fails. It is expected that the caller will
* call cpu_intrq_cleanup() (or cleanup_cpu_common() which will).
* That will cleanly free only those blocks that were alloc'd.
*/
/*
* Allocate mondo data for xcalls.
*/
mcpup->mondo_data = contig_mem_alloc(INTR_REPORT_SIZE);
if (mcpup->mondo_data == NULL) {
cmn_err(CE_NOTE, "cpu%d: cpu mondo_data allocation failed",
cpu->cpu_id);
return (ENOMEM);
}
/*
* va_to_pa() is too expensive to call for every crosscall
* so we do it here at init time and save it in machcpu.
*/
mcpup->mondo_data_ra = va_to_pa(mcpup->mondo_data);
/*
* Allocate a percpu list of NCPU for xcalls
*/
size = NCPU * sizeof (uint16_t);
if (size < INTR_REPORT_SIZE)
size = INTR_REPORT_SIZE;
mcpup->cpu_list = contig_mem_alloc(size);
if (mcpup->cpu_list == NULL) {
cmn_err(CE_NOTE, "cpu%d: cpu cpu_list allocation failed",
cpu->cpu_id);
return (ENOMEM);
}
mcpup->cpu_list_ra = va_to_pa(mcpup->cpu_list);
/*
* Allocate sun4v interrupt and error queues.
*/
size = cpu_q_entries * INTR_REPORT_SIZE;
mcpup->cpu_q_va = contig_mem_alloc(size);
if (mcpup->cpu_q_va == NULL) {
cmn_err(CE_NOTE, "cpu%d: cpu intrq allocation failed",
cpu->cpu_id);
return (ENOMEM);
}
mcpup->cpu_q_base_pa = va_to_pa(mcpup->cpu_q_va);
mcpup->cpu_q_size = size;
/*
* Allocate device queues
*/
size = dev_q_entries * INTR_REPORT_SIZE;
mcpup->dev_q_va = contig_mem_alloc(size);
if (mcpup->dev_q_va == NULL) {
cmn_err(CE_NOTE, "cpu%d: dev intrq allocation failed",
cpu->cpu_id);
return (ENOMEM);
}
mcpup->dev_q_base_pa = va_to_pa(mcpup->dev_q_va);
mcpup->dev_q_size = size;
/*
* Allocate resumable queue and its kernel buffer
*/
size = cpu_rq_entries * Q_ENTRY_SIZE;
mcpup->cpu_rq_va = contig_mem_alloc(2 * size);
if (mcpup->cpu_rq_va == NULL) {
cmn_err(CE_NOTE, "cpu%d: resumable queue allocation failed",
cpu->cpu_id);
return (ENOMEM);
}
mcpup->cpu_rq_base_pa = va_to_pa(mcpup->cpu_rq_va);
mcpup->cpu_rq_size = size;
/* zero out the memory */
bzero(mcpup->cpu_rq_va, 2 * size);
/*
* Allocate non-resumable queues
*/
size = cpu_nrq_entries * Q_ENTRY_SIZE;
mcpup->cpu_nrq_va = contig_mem_alloc(2 * size);
if (mcpup->cpu_nrq_va == NULL) {
cmn_err(CE_NOTE, "cpu%d: nonresumable queue allocation failed",
cpu->cpu_id);
return (ENOMEM);
}
mcpup->cpu_nrq_base_pa = va_to_pa(mcpup->cpu_nrq_va);
mcpup->cpu_nrq_size = size;
/* zero out the memory */
bzero(mcpup->cpu_nrq_va, 2 * size);
return (0);
}
void
cpu_intrq_cleanup(struct cpu *cpu)
{
struct machcpu *mcpup = &cpu->cpu_m;
int cpu_list_size;
uint64_t cpu_q_size;
uint64_t dev_q_size;
uint64_t cpu_rq_size;
uint64_t cpu_nrq_size;
/*
* Free mondo data for xcalls.
*/
if (mcpup->mondo_data) {
contig_mem_free(mcpup->mondo_data, INTR_REPORT_SIZE);
mcpup->mondo_data = NULL;
mcpup->mondo_data_ra = NULL;
}
/*
* Free percpu list of NCPU for xcalls
*/
cpu_list_size = NCPU * sizeof (uint16_t);
if (cpu_list_size < INTR_REPORT_SIZE)
cpu_list_size = INTR_REPORT_SIZE;
if (mcpup->cpu_list) {
contig_mem_free(mcpup->cpu_list, cpu_list_size);
mcpup->cpu_list = NULL;
mcpup->cpu_list_ra = NULL;
}
/*
* Free sun4v interrupt and error queues.
*/
if (mcpup->cpu_q_va) {
cpu_q_size = cpu_q_entries * INTR_REPORT_SIZE;
contig_mem_free(mcpup->cpu_q_va, cpu_q_size);
mcpup->cpu_q_va = NULL;
mcpup->cpu_q_base_pa = NULL;
mcpup->cpu_q_size = 0;
}
if (mcpup->dev_q_va) {
dev_q_size = dev_q_entries * INTR_REPORT_SIZE;
contig_mem_free(mcpup->dev_q_va, dev_q_size);
mcpup->dev_q_va = NULL;
mcpup->dev_q_base_pa = NULL;
mcpup->dev_q_size = 0;
}
if (mcpup->cpu_rq_va) {
cpu_rq_size = cpu_rq_entries * Q_ENTRY_SIZE;
contig_mem_free(mcpup->cpu_rq_va, 2 * cpu_rq_size);
mcpup->cpu_rq_va = NULL;
mcpup->cpu_rq_base_pa = NULL;
mcpup->cpu_rq_size = 0;
}
if (mcpup->cpu_nrq_va) {
cpu_nrq_size = cpu_nrq_entries * Q_ENTRY_SIZE;
contig_mem_free(mcpup->cpu_nrq_va, 2 * cpu_nrq_size);
mcpup->cpu_nrq_va = NULL;
mcpup->cpu_nrq_base_pa = NULL;
mcpup->cpu_nrq_size = 0;
}
}
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