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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/tests/ahci-test.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/tests/ahci-test.c')
-rw-r--r--qemu/tests/ahci-test.c1803
1 files changed, 0 insertions, 1803 deletions
diff --git a/qemu/tests/ahci-test.c b/qemu/tests/ahci-test.c
deleted file mode 100644
index 6869f7f46..000000000
--- a/qemu/tests/ahci-test.c
+++ /dev/null
@@ -1,1803 +0,0 @@
-/*
- * AHCI test cases
- *
- * Copyright (c) 2014 John Snow <jsnow@redhat.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include <getopt.h>
-#include <glib.h>
-
-#include "libqtest.h"
-#include "libqos/libqos-pc.h"
-#include "libqos/ahci.h"
-#include "libqos/pci-pc.h"
-
-#include "qemu-common.h"
-#include "qemu/host-utils.h"
-
-#include "hw/pci/pci_ids.h"
-#include "hw/pci/pci_regs.h"
-
-/* Test images sizes in MB */
-#define TEST_IMAGE_SIZE_MB_LARGE (200 * 1024)
-#define TEST_IMAGE_SIZE_MB_SMALL 64
-
-/*** Globals ***/
-static char tmp_path[] = "/tmp/qtest.XXXXXX";
-static char debug_path[] = "/tmp/qtest-blkdebug.XXXXXX";
-static char mig_socket[] = "/tmp/qtest-migration.XXXXXX";
-static bool ahci_pedantic;
-static const char *imgfmt;
-static unsigned test_image_size_mb;
-
-/*** Function Declarations ***/
-static void ahci_test_port_spec(AHCIQState *ahci, uint8_t port);
-static void ahci_test_pci_spec(AHCIQState *ahci);
-static void ahci_test_pci_caps(AHCIQState *ahci, uint16_t header,
- uint8_t offset);
-static void ahci_test_satacap(AHCIQState *ahci, uint8_t offset);
-static void ahci_test_msicap(AHCIQState *ahci, uint8_t offset);
-static void ahci_test_pmcap(AHCIQState *ahci, uint8_t offset);
-
-/*** Utilities ***/
-
-static uint64_t mb_to_sectors(uint64_t image_size_mb)
-{
- return (image_size_mb * 1024 * 1024) / AHCI_SECTOR_SIZE;
-}
-
-static void string_bswap16(uint16_t *s, size_t bytes)
-{
- g_assert_cmphex((bytes & 1), ==, 0);
- bytes /= 2;
-
- while (bytes--) {
- *s = bswap16(*s);
- s++;
- }
-}
-
-/**
- * Verify that the transfer did not corrupt our state at all.
- */
-static void verify_state(AHCIQState *ahci)
-{
- int i, j;
- uint32_t ahci_fingerprint;
- uint64_t hba_base;
- uint64_t hba_stored;
- AHCICommandHeader cmd;
-
- ahci_fingerprint = qpci_config_readl(ahci->dev, PCI_VENDOR_ID);
- g_assert_cmphex(ahci_fingerprint, ==, ahci->fingerprint);
-
- /* If we haven't initialized, this is as much as can be validated. */
- if (!ahci->hba_base) {
- return;
- }
-
- hba_base = (uint64_t)qpci_config_readl(ahci->dev, PCI_BASE_ADDRESS_5);
- hba_stored = (uint64_t)(uintptr_t)ahci->hba_base;
- g_assert_cmphex(hba_base, ==, hba_stored);
-
- g_assert_cmphex(ahci_rreg(ahci, AHCI_CAP), ==, ahci->cap);
- g_assert_cmphex(ahci_rreg(ahci, AHCI_CAP2), ==, ahci->cap2);
-
- for (i = 0; i < 32; i++) {
- g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_FB), ==,
- ahci->port[i].fb);
- g_assert_cmphex(ahci_px_rreg(ahci, i, AHCI_PX_CLB), ==,
- ahci->port[i].clb);
- for (j = 0; j < 32; j++) {
- ahci_get_command_header(ahci, i, j, &cmd);
- g_assert_cmphex(cmd.prdtl, ==, ahci->port[i].prdtl[j]);
- g_assert_cmphex(cmd.ctba, ==, ahci->port[i].ctba[j]);
- }
- }
-}
-
-static void ahci_migrate(AHCIQState *from, AHCIQState *to, const char *uri)
-{
- QOSState *tmp = to->parent;
- QPCIDevice *dev = to->dev;
- char *uri_local = NULL;
-
- if (uri == NULL) {
- uri_local = g_strdup_printf("%s%s", "unix:", mig_socket);
- uri = uri_local;
- }
-
- /* context will be 'to' after completion. */
- migrate(from->parent, to->parent, uri);
-
- /* We'd like for the AHCIState objects to still point
- * to information specific to its specific parent
- * instance, but otherwise just inherit the new data. */
- memcpy(to, from, sizeof(AHCIQState));
- to->parent = tmp;
- to->dev = dev;
-
- tmp = from->parent;
- dev = from->dev;
- memset(from, 0x00, sizeof(AHCIQState));
- from->parent = tmp;
- from->dev = dev;
-
- verify_state(to);
- g_free(uri_local);
-}
-
-/*** Test Setup & Teardown ***/
-
-/**
- * Start a Q35 machine and bookmark a handle to the AHCI device.
- */
-static AHCIQState *ahci_vboot(const char *cli, va_list ap)
-{
- AHCIQState *s;
-
- s = g_malloc0(sizeof(AHCIQState));
- s->parent = qtest_pc_vboot(cli, ap);
- alloc_set_flags(s->parent->alloc, ALLOC_LEAK_ASSERT);
-
- /* Verify that we have an AHCI device present. */
- s->dev = get_ahci_device(&s->fingerprint);
-
- return s;
-}
-
-/**
- * Start a Q35 machine and bookmark a handle to the AHCI device.
- */
-static AHCIQState *ahci_boot(const char *cli, ...)
-{
- AHCIQState *s;
- va_list ap;
-
- if (cli) {
- va_start(ap, cli);
- s = ahci_vboot(cli, ap);
- va_end(ap);
- } else {
- cli = "-drive if=none,id=drive0,file=%s,cache=writeback,serial=%s"
- ",format=%s"
- " -M q35 "
- "-device ide-hd,drive=drive0 "
- "-global ide-hd.ver=%s";
- s = ahci_boot(cli, tmp_path, "testdisk", imgfmt, "version");
- }
-
- return s;
-}
-
-/**
- * Clean up the PCI device, then terminate the QEMU instance.
- */
-static void ahci_shutdown(AHCIQState *ahci)
-{
- QOSState *qs = ahci->parent;
-
- set_context(qs);
- ahci_clean_mem(ahci);
- free_ahci_device(ahci->dev);
- g_free(ahci);
- qtest_shutdown(qs);
-}
-
-/**
- * Boot and fully enable the HBA device.
- * @see ahci_boot, ahci_pci_enable and ahci_hba_enable.
- */
-static AHCIQState *ahci_boot_and_enable(const char *cli, ...)
-{
- AHCIQState *ahci;
- va_list ap;
- uint16_t buff[256];
- uint8_t port;
- uint8_t hello;
-
- if (cli) {
- va_start(ap, cli);
- ahci = ahci_vboot(cli, ap);
- va_end(ap);
- } else {
- ahci = ahci_boot(NULL);
- }
-
- ahci_pci_enable(ahci);
- ahci_hba_enable(ahci);
- /* Initialize test device */
- port = ahci_port_select(ahci);
- ahci_port_clear(ahci, port);
- if (is_atapi(ahci, port)) {
- hello = CMD_PACKET_ID;
- } else {
- hello = CMD_IDENTIFY;
- }
- ahci_io(ahci, port, hello, &buff, sizeof(buff), 0);
-
- return ahci;
-}
-
-/*** Specification Adherence Tests ***/
-
-/**
- * Implementation for test_pci_spec. Ensures PCI configuration space is sane.
- */
-static void ahci_test_pci_spec(AHCIQState *ahci)
-{
- uint8_t datab;
- uint16_t data;
- uint32_t datal;
-
- /* Most of these bits should start cleared until we turn them on. */
- data = qpci_config_readw(ahci->dev, PCI_COMMAND);
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_MEMORY);
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_MASTER);
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_SPECIAL); /* Reserved */
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_VGA_PALETTE); /* Reserved */
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_PARITY);
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_WAIT); /* Reserved */
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_SERR);
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_FAST_BACK);
- ASSERT_BIT_CLEAR(data, PCI_COMMAND_INTX_DISABLE);
- ASSERT_BIT_CLEAR(data, 0xF800); /* Reserved */
-
- data = qpci_config_readw(ahci->dev, PCI_STATUS);
- ASSERT_BIT_CLEAR(data, 0x01 | 0x02 | 0x04); /* Reserved */
- ASSERT_BIT_CLEAR(data, PCI_STATUS_INTERRUPT);
- ASSERT_BIT_SET(data, PCI_STATUS_CAP_LIST); /* must be set */
- ASSERT_BIT_CLEAR(data, PCI_STATUS_UDF); /* Reserved */
- ASSERT_BIT_CLEAR(data, PCI_STATUS_PARITY);
- ASSERT_BIT_CLEAR(data, PCI_STATUS_SIG_TARGET_ABORT);
- ASSERT_BIT_CLEAR(data, PCI_STATUS_REC_TARGET_ABORT);
- ASSERT_BIT_CLEAR(data, PCI_STATUS_REC_MASTER_ABORT);
- ASSERT_BIT_CLEAR(data, PCI_STATUS_SIG_SYSTEM_ERROR);
- ASSERT_BIT_CLEAR(data, PCI_STATUS_DETECTED_PARITY);
-
- /* RID occupies the low byte, CCs occupy the high three. */
- datal = qpci_config_readl(ahci->dev, PCI_CLASS_REVISION);
- if (ahci_pedantic) {
- /* AHCI 1.3 specifies that at-boot, the RID should reset to 0x00,
- * Though in practice this is likely seldom true. */
- ASSERT_BIT_CLEAR(datal, 0xFF);
- }
-
- /* BCC *must* equal 0x01. */
- g_assert_cmphex(PCI_BCC(datal), ==, 0x01);
- if (PCI_SCC(datal) == 0x01) {
- /* IDE */
- ASSERT_BIT_SET(0x80000000, datal);
- ASSERT_BIT_CLEAR(0x60000000, datal);
- } else if (PCI_SCC(datal) == 0x04) {
- /* RAID */
- g_assert_cmphex(PCI_PI(datal), ==, 0);
- } else if (PCI_SCC(datal) == 0x06) {
- /* AHCI */
- g_assert_cmphex(PCI_PI(datal), ==, 0x01);
- } else {
- g_assert_not_reached();
- }
-
- datab = qpci_config_readb(ahci->dev, PCI_CACHE_LINE_SIZE);
- g_assert_cmphex(datab, ==, 0);
-
- datab = qpci_config_readb(ahci->dev, PCI_LATENCY_TIMER);
- g_assert_cmphex(datab, ==, 0);
-
- /* Only the bottom 7 bits must be off. */
- datab = qpci_config_readb(ahci->dev, PCI_HEADER_TYPE);
- ASSERT_BIT_CLEAR(datab, 0x7F);
-
- /* BIST is optional, but the low 7 bits must always start off regardless. */
- datab = qpci_config_readb(ahci->dev, PCI_BIST);
- ASSERT_BIT_CLEAR(datab, 0x7F);
-
- /* BARS 0-4 do not have a boot spec, but ABAR/BAR5 must be clean. */
- datal = qpci_config_readl(ahci->dev, PCI_BASE_ADDRESS_5);
- g_assert_cmphex(datal, ==, 0);
-
- qpci_config_writel(ahci->dev, PCI_BASE_ADDRESS_5, 0xFFFFFFFF);
- datal = qpci_config_readl(ahci->dev, PCI_BASE_ADDRESS_5);
- /* ABAR must be 32-bit, memory mapped, non-prefetchable and
- * must be >= 512 bytes. To that end, bits 0-8 must be off. */
- ASSERT_BIT_CLEAR(datal, 0xFF);
-
- /* Capability list MUST be present, */
- datal = qpci_config_readl(ahci->dev, PCI_CAPABILITY_LIST);
- /* But these bits are reserved. */
- ASSERT_BIT_CLEAR(datal, ~0xFF);
- g_assert_cmphex(datal, !=, 0);
-
- /* Check specification adherence for capability extenstions. */
- data = qpci_config_readw(ahci->dev, datal);
-
- switch (ahci->fingerprint) {
- case AHCI_INTEL_ICH9:
- /* Intel ICH9 Family Datasheet 14.1.19 p.550 */
- g_assert_cmphex((data & 0xFF), ==, PCI_CAP_ID_MSI);
- break;
- default:
- /* AHCI 1.3, Section 2.1.14 -- CAP must point to PMCAP. */
- g_assert_cmphex((data & 0xFF), ==, PCI_CAP_ID_PM);
- }
-
- ahci_test_pci_caps(ahci, data, (uint8_t)datal);
-
- /* Reserved. */
- datal = qpci_config_readl(ahci->dev, PCI_CAPABILITY_LIST + 4);
- g_assert_cmphex(datal, ==, 0);
-
- /* IPIN might vary, but ILINE must be off. */
- datab = qpci_config_readb(ahci->dev, PCI_INTERRUPT_LINE);
- g_assert_cmphex(datab, ==, 0);
-}
-
-/**
- * Test PCI capabilities for AHCI specification adherence.
- */
-static void ahci_test_pci_caps(AHCIQState *ahci, uint16_t header,
- uint8_t offset)
-{
- uint8_t cid = header & 0xFF;
- uint8_t next = header >> 8;
-
- g_test_message("CID: %02x; next: %02x", cid, next);
-
- switch (cid) {
- case PCI_CAP_ID_PM:
- ahci_test_pmcap(ahci, offset);
- break;
- case PCI_CAP_ID_MSI:
- ahci_test_msicap(ahci, offset);
- break;
- case PCI_CAP_ID_SATA:
- ahci_test_satacap(ahci, offset);
- break;
-
- default:
- g_test_message("Unknown CAP 0x%02x", cid);
- }
-
- if (next) {
- ahci_test_pci_caps(ahci, qpci_config_readw(ahci->dev, next), next);
- }
-}
-
-/**
- * Test SATA PCI capabilitity for AHCI specification adherence.
- */
-static void ahci_test_satacap(AHCIQState *ahci, uint8_t offset)
-{
- uint16_t dataw;
- uint32_t datal;
-
- g_test_message("Verifying SATACAP");
-
- /* Assert that the SATACAP version is 1.0, And reserved bits are empty. */
- dataw = qpci_config_readw(ahci->dev, offset + 2);
- g_assert_cmphex(dataw, ==, 0x10);
-
- /* Grab the SATACR1 register. */
- datal = qpci_config_readw(ahci->dev, offset + 4);
-
- switch (datal & 0x0F) {
- case 0x04: /* BAR0 */
- case 0x05: /* BAR1 */
- case 0x06:
- case 0x07:
- case 0x08:
- case 0x09: /* BAR5 */
- case 0x0F: /* Immediately following SATACR1 in PCI config space. */
- break;
- default:
- /* Invalid BARLOC for the Index Data Pair. */
- g_assert_not_reached();
- }
-
- /* Reserved. */
- g_assert_cmphex((datal >> 24), ==, 0x00);
-}
-
-/**
- * Test MSI PCI capability for AHCI specification adherence.
- */
-static void ahci_test_msicap(AHCIQState *ahci, uint8_t offset)
-{
- uint16_t dataw;
- uint32_t datal;
-
- g_test_message("Verifying MSICAP");
-
- dataw = qpci_config_readw(ahci->dev, offset + PCI_MSI_FLAGS);
- ASSERT_BIT_CLEAR(dataw, PCI_MSI_FLAGS_ENABLE);
- ASSERT_BIT_CLEAR(dataw, PCI_MSI_FLAGS_QSIZE);
- ASSERT_BIT_CLEAR(dataw, PCI_MSI_FLAGS_RESERVED);
-
- datal = qpci_config_readl(ahci->dev, offset + PCI_MSI_ADDRESS_LO);
- g_assert_cmphex(datal, ==, 0);
-
- if (dataw & PCI_MSI_FLAGS_64BIT) {
- g_test_message("MSICAP is 64bit");
- datal = qpci_config_readl(ahci->dev, offset + PCI_MSI_ADDRESS_HI);
- g_assert_cmphex(datal, ==, 0);
- dataw = qpci_config_readw(ahci->dev, offset + PCI_MSI_DATA_64);
- g_assert_cmphex(dataw, ==, 0);
- } else {
- g_test_message("MSICAP is 32bit");
- dataw = qpci_config_readw(ahci->dev, offset + PCI_MSI_DATA_32);
- g_assert_cmphex(dataw, ==, 0);
- }
-}
-
-/**
- * Test Power Management PCI capability for AHCI specification adherence.
- */
-static void ahci_test_pmcap(AHCIQState *ahci, uint8_t offset)
-{
- uint16_t dataw;
-
- g_test_message("Verifying PMCAP");
-
- dataw = qpci_config_readw(ahci->dev, offset + PCI_PM_PMC);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CAP_PME_CLOCK);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CAP_RESERVED);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CAP_D1);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CAP_D2);
-
- dataw = qpci_config_readw(ahci->dev, offset + PCI_PM_CTRL);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CTRL_STATE_MASK);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CTRL_RESERVED);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CTRL_DATA_SEL_MASK);
- ASSERT_BIT_CLEAR(dataw, PCI_PM_CTRL_DATA_SCALE_MASK);
-}
-
-static void ahci_test_hba_spec(AHCIQState *ahci)
-{
- unsigned i;
- uint32_t reg;
- uint32_t ports;
- uint8_t nports_impl;
- uint8_t maxports;
-
- g_assert(ahci != NULL);
-
- /*
- * Note that the AHCI spec does expect the BIOS to set up a few things:
- * CAP.SSS - Support for staggered spin-up (t/f)
- * CAP.SMPS - Support for mechanical presence switches (t/f)
- * PI - Ports Implemented (1-32)
- * PxCMD.HPCP - Hot Plug Capable Port
- * PxCMD.MPSP - Mechanical Presence Switch Present
- * PxCMD.CPD - Cold Presence Detection support
- *
- * Additional items are touched if CAP.SSS is on, see AHCI 10.1.1 p.97:
- * Foreach Port Implemented:
- * -PxCMD.ST, PxCMD.CR, PxCMD.FRE, PxCMD.FR, PxSCTL.DET are 0
- * -PxCLB/U and PxFB/U are set to valid regions in memory
- * -PxSUD is set to 1.
- * -PxSSTS.DET is polled for presence; if detected, we continue:
- * -PxSERR is cleared with 1's.
- * -If PxTFD.STS.BSY, PxTFD.STS.DRQ, and PxTFD.STS.ERR are all zero,
- * the device is ready.
- */
-
- /* 1 CAP - Capabilities Register */
- ahci->cap = ahci_rreg(ahci, AHCI_CAP);
- ASSERT_BIT_CLEAR(ahci->cap, AHCI_CAP_RESERVED);
-
- /* 2 GHC - Global Host Control */
- reg = ahci_rreg(ahci, AHCI_GHC);
- ASSERT_BIT_CLEAR(reg, AHCI_GHC_HR);
- ASSERT_BIT_CLEAR(reg, AHCI_GHC_IE);
- ASSERT_BIT_CLEAR(reg, AHCI_GHC_MRSM);
- if (BITSET(ahci->cap, AHCI_CAP_SAM)) {
- g_test_message("Supports AHCI-Only Mode: GHC_AE is Read-Only.");
- ASSERT_BIT_SET(reg, AHCI_GHC_AE);
- } else {
- g_test_message("Supports AHCI/Legacy mix.");
- ASSERT_BIT_CLEAR(reg, AHCI_GHC_AE);
- }
-
- /* 3 IS - Interrupt Status */
- reg = ahci_rreg(ahci, AHCI_IS);
- g_assert_cmphex(reg, ==, 0);
-
- /* 4 PI - Ports Implemented */
- ports = ahci_rreg(ahci, AHCI_PI);
- /* Ports Implemented must be non-zero. */
- g_assert_cmphex(ports, !=, 0);
- /* Ports Implemented must be <= Number of Ports. */
- nports_impl = ctpopl(ports);
- g_assert_cmpuint(((AHCI_CAP_NP & ahci->cap) + 1), >=, nports_impl);
-
- /* Ports must be within the proper range. Given a mapping of SIZE,
- * 256 bytes are used for global HBA control, and the rest is used
- * for ports data, at 0x80 bytes each. */
- g_assert_cmphex(ahci->barsize, >, 0);
- maxports = (ahci->barsize - HBA_DATA_REGION_SIZE) / HBA_PORT_DATA_SIZE;
- /* e.g, 30 ports for 4K of memory. (4096 - 256) / 128 = 30 */
- g_assert_cmphex((reg >> maxports), ==, 0);
-
- /* 5 AHCI Version */
- reg = ahci_rreg(ahci, AHCI_VS);
- switch (reg) {
- case AHCI_VERSION_0_95:
- case AHCI_VERSION_1_0:
- case AHCI_VERSION_1_1:
- case AHCI_VERSION_1_2:
- case AHCI_VERSION_1_3:
- break;
- default:
- g_assert_not_reached();
- }
-
- /* 6 Command Completion Coalescing Control: depends on CAP.CCCS. */
- reg = ahci_rreg(ahci, AHCI_CCCCTL);
- if (BITSET(ahci->cap, AHCI_CAP_CCCS)) {
- ASSERT_BIT_CLEAR(reg, AHCI_CCCCTL_EN);
- ASSERT_BIT_CLEAR(reg, AHCI_CCCCTL_RESERVED);
- ASSERT_BIT_SET(reg, AHCI_CCCCTL_CC);
- ASSERT_BIT_SET(reg, AHCI_CCCCTL_TV);
- } else {
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* 7 CCC_PORTS */
- reg = ahci_rreg(ahci, AHCI_CCCPORTS);
- /* Must be zeroes initially regardless of CAP.CCCS */
- g_assert_cmphex(reg, ==, 0);
-
- /* 8 EM_LOC */
- reg = ahci_rreg(ahci, AHCI_EMLOC);
- if (BITCLR(ahci->cap, AHCI_CAP_EMS)) {
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* 9 EM_CTL */
- reg = ahci_rreg(ahci, AHCI_EMCTL);
- if (BITSET(ahci->cap, AHCI_CAP_EMS)) {
- ASSERT_BIT_CLEAR(reg, AHCI_EMCTL_STSMR);
- ASSERT_BIT_CLEAR(reg, AHCI_EMCTL_CTLTM);
- ASSERT_BIT_CLEAR(reg, AHCI_EMCTL_CTLRST);
- ASSERT_BIT_CLEAR(reg, AHCI_EMCTL_RESERVED);
- } else {
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* 10 CAP2 -- Capabilities Extended */
- ahci->cap2 = ahci_rreg(ahci, AHCI_CAP2);
- ASSERT_BIT_CLEAR(ahci->cap2, AHCI_CAP2_RESERVED);
-
- /* 11 BOHC -- Bios/OS Handoff Control */
- reg = ahci_rreg(ahci, AHCI_BOHC);
- g_assert_cmphex(reg, ==, 0);
-
- /* 12 -- 23: Reserved */
- g_test_message("Verifying HBA reserved area is empty.");
- for (i = AHCI_RESERVED; i < AHCI_NVMHCI; ++i) {
- reg = ahci_rreg(ahci, i);
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* 24 -- 39: NVMHCI */
- if (BITCLR(ahci->cap2, AHCI_CAP2_NVMP)) {
- g_test_message("Verifying HBA/NVMHCI area is empty.");
- for (i = AHCI_NVMHCI; i < AHCI_VENDOR; ++i) {
- reg = ahci_rreg(ahci, i);
- g_assert_cmphex(reg, ==, 0);
- }
- }
-
- /* 40 -- 63: Vendor */
- g_test_message("Verifying HBA/Vendor area is empty.");
- for (i = AHCI_VENDOR; i < AHCI_PORTS; ++i) {
- reg = ahci_rreg(ahci, i);
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* 64 -- XX: Port Space */
- for (i = 0; ports || (i < maxports); ports >>= 1, ++i) {
- if (BITSET(ports, 0x1)) {
- g_test_message("Testing port %u for spec", i);
- ahci_test_port_spec(ahci, i);
- } else {
- uint16_t j;
- uint16_t low = AHCI_PORTS + (32 * i);
- uint16_t high = AHCI_PORTS + (32 * (i + 1));
- g_test_message("Asserting unimplemented port %u "
- "(reg [%u-%u]) is empty.",
- i, low, high - 1);
- for (j = low; j < high; ++j) {
- reg = ahci_rreg(ahci, j);
- g_assert_cmphex(reg, ==, 0);
- }
- }
- }
-}
-
-/**
- * Test the memory space for one port for specification adherence.
- */
-static void ahci_test_port_spec(AHCIQState *ahci, uint8_t port)
-{
- uint32_t reg;
- unsigned i;
-
- /* (0) CLB */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_CLB);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CLB_RESERVED);
-
- /* (1) CLBU */
- if (BITCLR(ahci->cap, AHCI_CAP_S64A)) {
- reg = ahci_px_rreg(ahci, port, AHCI_PX_CLBU);
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* (2) FB */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_FB);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FB_RESERVED);
-
- /* (3) FBU */
- if (BITCLR(ahci->cap, AHCI_CAP_S64A)) {
- reg = ahci_px_rreg(ahci, port, AHCI_PX_FBU);
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* (4) IS */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_IS);
- g_assert_cmphex(reg, ==, 0);
-
- /* (5) IE */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_IE);
- g_assert_cmphex(reg, ==, 0);
-
- /* (6) CMD */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_CMD);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_FRE);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_RESERVED);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_CCS);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_FR);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_CR);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_PMA); /* And RW only if CAP.SPM */
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_APSTE); /* RW only if CAP2.APST */
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_ATAPI);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_DLAE);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_ALPE); /* RW only if CAP.SALP */
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_ASP); /* RW only if CAP.SALP */
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_ICC);
- /* If CPDetect support does not exist, CPState must be off. */
- if (BITCLR(reg, AHCI_PX_CMD_CPD)) {
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_CPS);
- }
- /* If MPSPresence is not set, MPSState must be off. */
- if (BITCLR(reg, AHCI_PX_CMD_MPSP)) {
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_MPSS);
- }
- /* If we do not support MPS, MPSS and MPSP must be off. */
- if (BITCLR(ahci->cap, AHCI_CAP_SMPS)) {
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_MPSS);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_MPSP);
- }
- /* If, via CPD or MPSP we detect a drive, HPCP must be on. */
- if (BITANY(reg, AHCI_PX_CMD_CPD | AHCI_PX_CMD_MPSP)) {
- ASSERT_BIT_SET(reg, AHCI_PX_CMD_HPCP);
- }
- /* HPCP and ESP cannot both be active. */
- g_assert(!BITSET(reg, AHCI_PX_CMD_HPCP | AHCI_PX_CMD_ESP));
- /* If CAP.FBSS is not set, FBSCP must not be set. */
- if (BITCLR(ahci->cap, AHCI_CAP_FBSS)) {
- ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_FBSCP);
- }
-
- /* (7) RESERVED */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_RES1);
- g_assert_cmphex(reg, ==, 0);
-
- /* (8) TFD */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_TFD);
- /* At boot, prior to an FIS being received, the TFD register should be 0x7F,
- * which breaks down as follows, as seen in AHCI 1.3 sec 3.3.8, p. 27. */
- ASSERT_BIT_SET(reg, AHCI_PX_TFD_STS_ERR);
- ASSERT_BIT_SET(reg, AHCI_PX_TFD_STS_CS1);
- ASSERT_BIT_SET(reg, AHCI_PX_TFD_STS_DRQ);
- ASSERT_BIT_SET(reg, AHCI_PX_TFD_STS_CS2);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_STS_BSY);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_ERR);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_TFD_RESERVED);
-
- /* (9) SIG */
- /* Though AHCI specifies the boot value should be 0xFFFFFFFF,
- * Even when GHC.ST is zero, the AHCI HBA may receive the initial
- * D2H register FIS and update the signature asynchronously,
- * so we cannot expect a value here. AHCI 1.3, sec 3.3.9, pp 27-28 */
-
- /* (10) SSTS / SCR0: SStatus */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_SSTS);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_SSTS_RESERVED);
- /* Even though the register should be 0 at boot, it is asynchronous and
- * prone to change, so we cannot test any well known value. */
-
- /* (11) SCTL / SCR2: SControl */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_SCTL);
- g_assert_cmphex(reg, ==, 0);
-
- /* (12) SERR / SCR1: SError */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_SERR);
- g_assert_cmphex(reg, ==, 0);
-
- /* (13) SACT / SCR3: SActive */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_SACT);
- g_assert_cmphex(reg, ==, 0);
-
- /* (14) CI */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_CI);
- g_assert_cmphex(reg, ==, 0);
-
- /* (15) SNTF */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_SNTF);
- g_assert_cmphex(reg, ==, 0);
-
- /* (16) FBS */
- reg = ahci_px_rreg(ahci, port, AHCI_PX_FBS);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FBS_EN);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FBS_DEC);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FBS_SDE);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FBS_DEV);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FBS_DWE);
- ASSERT_BIT_CLEAR(reg, AHCI_PX_FBS_RESERVED);
- if (BITSET(ahci->cap, AHCI_CAP_FBSS)) {
- /* if Port-Multiplier FIS-based switching avail, ADO must >= 2 */
- g_assert((reg & AHCI_PX_FBS_ADO) >> ctzl(AHCI_PX_FBS_ADO) >= 2);
- }
-
- /* [17 -- 27] RESERVED */
- for (i = AHCI_PX_RES2; i < AHCI_PX_VS; ++i) {
- reg = ahci_px_rreg(ahci, port, i);
- g_assert_cmphex(reg, ==, 0);
- }
-
- /* [28 -- 31] Vendor-Specific */
- for (i = AHCI_PX_VS; i < 32; ++i) {
- reg = ahci_px_rreg(ahci, port, i);
- if (reg) {
- g_test_message("INFO: Vendor register %u non-empty", i);
- }
- }
-}
-
-/**
- * Utilizing an initialized AHCI HBA, issue an IDENTIFY command to the first
- * device we see, then read and check the response.
- */
-static void ahci_test_identify(AHCIQState *ahci)
-{
- uint16_t buff[256];
- unsigned px;
- int rc;
- uint16_t sect_size;
- const size_t buffsize = 512;
-
- g_assert(ahci != NULL);
-
- /**
- * This serves as a bit of a tutorial on AHCI device programming:
- *
- * (1) Create a data buffer for the IDENTIFY response to be sent to
- * (2) Create a Command Table buffer, where we will store the
- * command and PRDT (Physical Region Descriptor Table)
- * (3) Construct an FIS host-to-device command structure, and write it to
- * the top of the Command Table buffer.
- * (4) Create one or more Physical Region Descriptors (PRDs) that describe
- * a location in memory where data may be stored/retrieved.
- * (5) Write these PRDTs to the bottom (offset 0x80) of the Command Table.
- * (6) Each AHCI port has up to 32 command slots. Each slot contains a
- * header that points to a Command Table buffer. Pick an unused slot
- * and update it to point to the Command Table we have built.
- * (7) Now: Command #n points to our Command Table, and our Command Table
- * contains the FIS (that describes our command) and the PRDTL, which
- * describes our buffer.
- * (8) We inform the HBA via PxCI (Command Issue) that the command in slot
- * #n is ready for processing.
- */
-
- /* Pick the first implemented and running port */
- px = ahci_port_select(ahci);
- g_test_message("Selected port %u for test", px);
-
- /* Clear out the FIS Receive area and any pending interrupts. */
- ahci_port_clear(ahci, px);
-
- /* "Read" 512 bytes using CMD_IDENTIFY into the host buffer. */
- ahci_io(ahci, px, CMD_IDENTIFY, &buff, buffsize, 0);
-
- /* Check serial number/version in the buffer */
- /* NB: IDENTIFY strings are packed in 16bit little endian chunks.
- * Since we copy byte-for-byte in ahci-test, on both LE and BE, we need to
- * unchunk this data. By contrast, ide-test copies 2 bytes at a time, and
- * as a consequence, only needs to unchunk the data on LE machines. */
- string_bswap16(&buff[10], 20);
- rc = memcmp(&buff[10], "testdisk ", 20);
- g_assert_cmphex(rc, ==, 0);
-
- string_bswap16(&buff[23], 8);
- rc = memcmp(&buff[23], "version ", 8);
- g_assert_cmphex(rc, ==, 0);
-
- sect_size = le16_to_cpu(*((uint16_t *)(&buff[5])));
- g_assert_cmphex(sect_size, ==, AHCI_SECTOR_SIZE);
-}
-
-static void ahci_test_io_rw_simple(AHCIQState *ahci, unsigned bufsize,
- uint64_t sector, uint8_t read_cmd,
- uint8_t write_cmd)
-{
- uint64_t ptr;
- uint8_t port;
- unsigned char *tx = g_malloc(bufsize);
- unsigned char *rx = g_malloc0(bufsize);
-
- g_assert(ahci != NULL);
-
- /* Pick the first running port and clear it. */
- port = ahci_port_select(ahci);
- ahci_port_clear(ahci, port);
-
- /*** Create pattern and transfer to guest ***/
- /* Data buffer in the guest */
- ptr = ahci_alloc(ahci, bufsize);
- g_assert(ptr);
-
- /* Write some indicative pattern to our buffer. */
- generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
- bufwrite(ptr, tx, bufsize);
-
- /* Write this buffer to disk, then read it back to the DMA buffer. */
- ahci_guest_io(ahci, port, write_cmd, ptr, bufsize, sector);
- qmemset(ptr, 0x00, bufsize);
- ahci_guest_io(ahci, port, read_cmd, ptr, bufsize, sector);
-
- /*** Read back the Data ***/
- bufread(ptr, rx, bufsize);
- g_assert_cmphex(memcmp(tx, rx, bufsize), ==, 0);
-
- ahci_free(ahci, ptr);
- g_free(tx);
- g_free(rx);
-}
-
-static uint8_t ahci_test_nondata(AHCIQState *ahci, uint8_t ide_cmd)
-{
- uint8_t port;
-
- /* Sanitize */
- port = ahci_port_select(ahci);
- ahci_port_clear(ahci, port);
-
- ahci_io(ahci, port, ide_cmd, NULL, 0, 0);
-
- return port;
-}
-
-static void ahci_test_flush(AHCIQState *ahci)
-{
- ahci_test_nondata(ahci, CMD_FLUSH_CACHE);
-}
-
-static void ahci_test_max(AHCIQState *ahci)
-{
- RegD2HFIS *d2h = g_malloc0(0x20);
- uint64_t nsect;
- uint8_t port;
- uint8_t cmd;
- uint64_t config_sect = mb_to_sectors(test_image_size_mb) - 1;
-
- if (config_sect > 0xFFFFFF) {
- cmd = CMD_READ_MAX_EXT;
- } else {
- cmd = CMD_READ_MAX;
- }
-
- port = ahci_test_nondata(ahci, cmd);
- memread(ahci->port[port].fb + 0x40, d2h, 0x20);
- nsect = (uint64_t)d2h->lba_hi[2] << 40 |
- (uint64_t)d2h->lba_hi[1] << 32 |
- (uint64_t)d2h->lba_hi[0] << 24 |
- (uint64_t)d2h->lba_lo[2] << 16 |
- (uint64_t)d2h->lba_lo[1] << 8 |
- (uint64_t)d2h->lba_lo[0];
-
- g_assert_cmphex(nsect, ==, config_sect);
- g_free(d2h);
-}
-
-
-/******************************************************************************/
-/* Test Interfaces */
-/******************************************************************************/
-
-/**
- * Basic sanity test to boot a machine, find an AHCI device, and shutdown.
- */
-static void test_sanity(void)
-{
- AHCIQState *ahci;
- ahci = ahci_boot(NULL);
- ahci_shutdown(ahci);
-}
-
-/**
- * Ensure that the PCI configuration space for the AHCI device is in-line with
- * the AHCI 1.3 specification for initial values.
- */
-static void test_pci_spec(void)
-{
- AHCIQState *ahci;
- ahci = ahci_boot(NULL);
- ahci_test_pci_spec(ahci);
- ahci_shutdown(ahci);
-}
-
-/**
- * Engage the PCI AHCI device and sanity check the response.
- * Perform additional PCI config space bringup for the HBA.
- */
-static void test_pci_enable(void)
-{
- AHCIQState *ahci;
- ahci = ahci_boot(NULL);
- ahci_pci_enable(ahci);
- ahci_shutdown(ahci);
-}
-
-/**
- * Investigate the memory mapped regions of the HBA,
- * and test them for AHCI specification adherence.
- */
-static void test_hba_spec(void)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot(NULL);
- ahci_pci_enable(ahci);
- ahci_test_hba_spec(ahci);
- ahci_shutdown(ahci);
-}
-
-/**
- * Engage the HBA functionality of the AHCI PCI device,
- * and bring it into a functional idle state.
- */
-static void test_hba_enable(void)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot(NULL);
- ahci_pci_enable(ahci);
- ahci_hba_enable(ahci);
- ahci_shutdown(ahci);
-}
-
-/**
- * Bring up the device and issue an IDENTIFY command.
- * Inspect the state of the HBA device and the data returned.
- */
-static void test_identify(void)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot_and_enable(NULL);
- ahci_test_identify(ahci);
- ahci_shutdown(ahci);
-}
-
-/**
- * Fragmented DMA test: Perform a standard 4K DMA read/write
- * test, but make sure the physical regions are fragmented to
- * be very small, each just 32 bytes, to see how AHCI performs
- * with chunks defined to be much less than a sector.
- */
-static void test_dma_fragmented(void)
-{
- AHCIQState *ahci;
- AHCICommand *cmd;
- uint8_t px;
- size_t bufsize = 4096;
- unsigned char *tx = g_malloc(bufsize);
- unsigned char *rx = g_malloc0(bufsize);
- uint64_t ptr;
-
- ahci = ahci_boot_and_enable(NULL);
- px = ahci_port_select(ahci);
- ahci_port_clear(ahci, px);
-
- /* create pattern */
- generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
-
- /* Create a DMA buffer in guest memory, and write our pattern to it. */
- ptr = guest_alloc(ahci->parent->alloc, bufsize);
- g_assert(ptr);
- bufwrite(ptr, tx, bufsize);
-
- cmd = ahci_command_create(CMD_WRITE_DMA);
- ahci_command_adjust(cmd, 0, ptr, bufsize, 32);
- ahci_command_commit(ahci, cmd, px);
- ahci_command_issue(ahci, cmd);
- ahci_command_verify(ahci, cmd);
- ahci_command_free(cmd);
-
- cmd = ahci_command_create(CMD_READ_DMA);
- ahci_command_adjust(cmd, 0, ptr, bufsize, 32);
- ahci_command_commit(ahci, cmd, px);
- ahci_command_issue(ahci, cmd);
- ahci_command_verify(ahci, cmd);
- ahci_command_free(cmd);
-
- /* Read back the guest's receive buffer into local memory */
- bufread(ptr, rx, bufsize);
- guest_free(ahci->parent->alloc, ptr);
-
- g_assert_cmphex(memcmp(tx, rx, bufsize), ==, 0);
-
- ahci_shutdown(ahci);
-
- g_free(rx);
- g_free(tx);
-}
-
-static void test_flush(void)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot_and_enable(NULL);
- ahci_test_flush(ahci);
- ahci_shutdown(ahci);
-}
-
-static void test_flush_retry(void)
-{
- AHCIQState *ahci;
- AHCICommand *cmd;
- uint8_t port;
-
- prepare_blkdebug_script(debug_path, "flush_to_disk");
- ahci = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "format=%s,cache=writeback,"
- "rerror=stop,werror=stop "
- "-M q35 "
- "-device ide-hd,drive=drive0 ",
- debug_path,
- tmp_path, imgfmt);
-
- /* Issue Flush Command and wait for error */
- port = ahci_port_select(ahci);
- ahci_port_clear(ahci, port);
-
- cmd = ahci_guest_io_halt(ahci, port, CMD_FLUSH_CACHE, 0, 0, 0);
- ahci_guest_io_resume(ahci, cmd);
-
- ahci_shutdown(ahci);
-}
-
-/**
- * Basic sanity test to boot a machine, find an AHCI device, and shutdown.
- */
-static void test_migrate_sanity(void)
-{
- AHCIQState *src, *dst;
- char *uri = g_strdup_printf("unix:%s", mig_socket);
-
- src = ahci_boot("-m 1024 -M q35 "
- "-drive if=ide,file=%s,format=%s ", tmp_path, imgfmt);
- dst = ahci_boot("-m 1024 -M q35 "
- "-drive if=ide,file=%s,format=%s "
- "-incoming %s", tmp_path, imgfmt, uri);
-
- ahci_migrate(src, dst, uri);
-
- ahci_shutdown(src);
- ahci_shutdown(dst);
- g_free(uri);
-}
-
-/**
- * Simple migration test: Write a pattern, migrate, then read.
- */
-static void ahci_migrate_simple(uint8_t cmd_read, uint8_t cmd_write)
-{
- AHCIQState *src, *dst;
- uint8_t px;
- size_t bufsize = 4096;
- unsigned char *tx = g_malloc(bufsize);
- unsigned char *rx = g_malloc0(bufsize);
- char *uri = g_strdup_printf("unix:%s", mig_socket);
-
- src = ahci_boot_and_enable("-m 1024 -M q35 "
- "-drive if=ide,format=%s,file=%s ",
- imgfmt, tmp_path);
- dst = ahci_boot("-m 1024 -M q35 "
- "-drive if=ide,format=%s,file=%s "
- "-incoming %s", imgfmt, tmp_path, uri);
-
- set_context(src->parent);
-
- /* initialize */
- px = ahci_port_select(src);
- ahci_port_clear(src, px);
-
- /* create pattern */
- generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
-
- /* Write, migrate, then read. */
- ahci_io(src, px, cmd_write, tx, bufsize, 0);
- ahci_migrate(src, dst, uri);
- ahci_io(dst, px, cmd_read, rx, bufsize, 0);
-
- /* Verify pattern */
- g_assert_cmphex(memcmp(tx, rx, bufsize), ==, 0);
-
- ahci_shutdown(src);
- ahci_shutdown(dst);
- g_free(rx);
- g_free(tx);
- g_free(uri);
-}
-
-static void test_migrate_dma(void)
-{
- ahci_migrate_simple(CMD_READ_DMA, CMD_WRITE_DMA);
-}
-
-static void test_migrate_ncq(void)
-{
- ahci_migrate_simple(READ_FPDMA_QUEUED, WRITE_FPDMA_QUEUED);
-}
-
-/**
- * Halted IO Error Test
- *
- * Simulate an error on first write, Try to write a pattern,
- * Confirm the VM has stopped, resume the VM, verify command
- * has completed, then read back the data and verify.
- */
-static void ahci_halted_io_test(uint8_t cmd_read, uint8_t cmd_write)
-{
- AHCIQState *ahci;
- uint8_t port;
- size_t bufsize = 4096;
- unsigned char *tx = g_malloc(bufsize);
- unsigned char *rx = g_malloc0(bufsize);
- uint64_t ptr;
- AHCICommand *cmd;
-
- prepare_blkdebug_script(debug_path, "write_aio");
-
- ahci = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "format=%s,cache=writeback,"
- "rerror=stop,werror=stop "
- "-M q35 "
- "-device ide-hd,drive=drive0 ",
- debug_path,
- tmp_path, imgfmt);
-
- /* Initialize and prepare */
- port = ahci_port_select(ahci);
- ahci_port_clear(ahci, port);
-
- /* create DMA source buffer and write pattern */
- generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
- ptr = ahci_alloc(ahci, bufsize);
- g_assert(ptr);
- memwrite(ptr, tx, bufsize);
-
- /* Attempt to write (and fail) */
- cmd = ahci_guest_io_halt(ahci, port, cmd_write,
- ptr, bufsize, 0);
-
- /* Attempt to resume the command */
- ahci_guest_io_resume(ahci, cmd);
- ahci_free(ahci, ptr);
-
- /* Read back and verify */
- ahci_io(ahci, port, cmd_read, rx, bufsize, 0);
- g_assert_cmphex(memcmp(tx, rx, bufsize), ==, 0);
-
- /* Cleanup and go home */
- ahci_shutdown(ahci);
- g_free(rx);
- g_free(tx);
-}
-
-static void test_halted_dma(void)
-{
- ahci_halted_io_test(CMD_READ_DMA, CMD_WRITE_DMA);
-}
-
-static void test_halted_ncq(void)
-{
- ahci_halted_io_test(READ_FPDMA_QUEUED, WRITE_FPDMA_QUEUED);
-}
-
-/**
- * IO Error Migration Test
- *
- * Simulate an error on first write, Try to write a pattern,
- * Confirm the VM has stopped, migrate, resume the VM,
- * verify command has completed, then read back the data and verify.
- */
-static void ahci_migrate_halted_io(uint8_t cmd_read, uint8_t cmd_write)
-{
- AHCIQState *src, *dst;
- uint8_t port;
- size_t bufsize = 4096;
- unsigned char *tx = g_malloc(bufsize);
- unsigned char *rx = g_malloc0(bufsize);
- uint64_t ptr;
- AHCICommand *cmd;
- char *uri = g_strdup_printf("unix:%s", mig_socket);
-
- prepare_blkdebug_script(debug_path, "write_aio");
-
- src = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "format=%s,cache=writeback,"
- "rerror=stop,werror=stop "
- "-M q35 "
- "-device ide-hd,drive=drive0 ",
- debug_path,
- tmp_path, imgfmt);
-
- dst = ahci_boot("-drive file=%s,if=none,id=drive0,"
- "format=%s,cache=writeback,"
- "rerror=stop,werror=stop "
- "-M q35 "
- "-device ide-hd,drive=drive0 "
- "-incoming %s",
- tmp_path, imgfmt, uri);
-
- set_context(src->parent);
-
- /* Initialize and prepare */
- port = ahci_port_select(src);
- ahci_port_clear(src, port);
- generate_pattern(tx, bufsize, AHCI_SECTOR_SIZE);
-
- /* create DMA source buffer and write pattern */
- ptr = ahci_alloc(src, bufsize);
- g_assert(ptr);
- memwrite(ptr, tx, bufsize);
-
- /* Write, trigger the VM to stop, migrate, then resume. */
- cmd = ahci_guest_io_halt(src, port, cmd_write,
- ptr, bufsize, 0);
- ahci_migrate(src, dst, uri);
- ahci_guest_io_resume(dst, cmd);
- ahci_free(dst, ptr);
-
- /* Read back */
- ahci_io(dst, port, cmd_read, rx, bufsize, 0);
-
- /* Verify TX and RX are identical */
- g_assert_cmphex(memcmp(tx, rx, bufsize), ==, 0);
-
- /* Cleanup and go home. */
- ahci_shutdown(src);
- ahci_shutdown(dst);
- g_free(rx);
- g_free(tx);
- g_free(uri);
-}
-
-static void test_migrate_halted_dma(void)
-{
- ahci_migrate_halted_io(CMD_READ_DMA, CMD_WRITE_DMA);
-}
-
-static void test_migrate_halted_ncq(void)
-{
- ahci_migrate_halted_io(READ_FPDMA_QUEUED, WRITE_FPDMA_QUEUED);
-}
-
-/**
- * Migration test: Try to flush, migrate, then resume.
- */
-static void test_flush_migrate(void)
-{
- AHCIQState *src, *dst;
- AHCICommand *cmd;
- uint8_t px;
- const char *s;
- char *uri = g_strdup_printf("unix:%s", mig_socket);
-
- prepare_blkdebug_script(debug_path, "flush_to_disk");
-
- src = ahci_boot_and_enable("-drive file=blkdebug:%s:%s,if=none,id=drive0,"
- "cache=writeback,rerror=stop,werror=stop,"
- "format=%s "
- "-M q35 "
- "-device ide-hd,drive=drive0 ",
- debug_path, tmp_path, imgfmt);
- dst = ahci_boot("-drive file=%s,if=none,id=drive0,"
- "cache=writeback,rerror=stop,werror=stop,"
- "format=%s "
- "-M q35 "
- "-device ide-hd,drive=drive0 "
- "-incoming %s", tmp_path, imgfmt, uri);
-
- set_context(src->parent);
-
- /* Issue Flush Command */
- px = ahci_port_select(src);
- ahci_port_clear(src, px);
- cmd = ahci_command_create(CMD_FLUSH_CACHE);
- ahci_command_commit(src, cmd, px);
- ahci_command_issue_async(src, cmd);
- qmp_eventwait("STOP");
-
- /* Migrate over */
- ahci_migrate(src, dst, uri);
-
- /* Complete the command */
- s = "{'execute':'cont' }";
- qmp_async(s);
- qmp_eventwait("RESUME");
- ahci_command_wait(dst, cmd);
- ahci_command_verify(dst, cmd);
-
- ahci_command_free(cmd);
- ahci_shutdown(src);
- ahci_shutdown(dst);
- g_free(uri);
-}
-
-static void test_max(void)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot_and_enable(NULL);
- ahci_test_max(ahci);
- ahci_shutdown(ahci);
-}
-
-static void test_reset(void)
-{
- AHCIQState *ahci;
- int i;
-
- ahci = ahci_boot(NULL);
- ahci_test_pci_spec(ahci);
- ahci_pci_enable(ahci);
-
- for (i = 0; i < 2; i++) {
- ahci_test_hba_spec(ahci);
- ahci_hba_enable(ahci);
- ahci_test_identify(ahci);
- ahci_test_io_rw_simple(ahci, 4096, 0,
- CMD_READ_DMA_EXT,
- CMD_WRITE_DMA_EXT);
- ahci_set(ahci, AHCI_GHC, AHCI_GHC_HR);
- ahci_clean_mem(ahci);
- }
-
- ahci_shutdown(ahci);
-}
-
-static void test_ncq_simple(void)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot_and_enable(NULL);
- ahci_test_io_rw_simple(ahci, 4096, 0,
- READ_FPDMA_QUEUED,
- WRITE_FPDMA_QUEUED);
- ahci_shutdown(ahci);
-}
-
-static int prepare_iso(size_t size, unsigned char **buf, char **name)
-{
- char cdrom_path[] = "/tmp/qtest.iso.XXXXXX";
- unsigned char *patt;
- ssize_t ret;
- int fd = mkstemp(cdrom_path);
-
- g_assert(buf);
- g_assert(name);
- patt = g_malloc(size);
-
- /* Generate a pattern and build a CDROM image to read from */
- generate_pattern(patt, size, ATAPI_SECTOR_SIZE);
- ret = write(fd, patt, size);
- g_assert(ret == size);
-
- *name = g_strdup(cdrom_path);
- *buf = patt;
- return fd;
-}
-
-static void remove_iso(int fd, char *name)
-{
- unlink(name);
- g_free(name);
- close(fd);
-}
-
-static int ahci_cb_cmp_buff(AHCIQState *ahci, AHCICommand *cmd,
- const AHCIOpts *opts)
-{
- unsigned char *tx = opts->opaque;
- unsigned char *rx = g_malloc0(opts->size);
-
- bufread(opts->buffer, rx, opts->size);
- g_assert_cmphex(memcmp(tx, rx, opts->size), ==, 0);
- g_free(rx);
-
- return 0;
-}
-
-static void ahci_test_cdrom(int nsectors, bool dma)
-{
- AHCIQState *ahci;
- unsigned char *tx;
- char *iso;
- int fd;
- AHCIOpts opts = {
- .size = (ATAPI_SECTOR_SIZE * nsectors),
- .atapi = true,
- .atapi_dma = dma,
- .post_cb = ahci_cb_cmp_buff,
- };
-
- /* Prepare ISO and fill 'tx' buffer */
- fd = prepare_iso(1024 * 1024, &tx, &iso);
- opts.opaque = tx;
-
- /* Standard startup wonkery, but use ide-cd and our special iso file */
- ahci = ahci_boot_and_enable("-drive if=none,id=drive0,file=%s,format=raw "
- "-M q35 "
- "-device ide-cd,drive=drive0 ", iso);
-
- /* Build & Send AHCI command */
- ahci_exec(ahci, ahci_port_select(ahci), CMD_ATAPI_READ_10, &opts);
-
- /* Cleanup */
- g_free(tx);
- ahci_shutdown(ahci);
- remove_iso(fd, iso);
-}
-
-static void test_cdrom_dma(void)
-{
- ahci_test_cdrom(1, true);
-}
-
-static void test_cdrom_dma_multi(void)
-{
- ahci_test_cdrom(3, true);
-}
-
-static void test_cdrom_pio(void)
-{
- ahci_test_cdrom(1, false);
-}
-
-static void test_cdrom_pio_multi(void)
-{
- ahci_test_cdrom(3, false);
-}
-
-/******************************************************************************/
-/* AHCI I/O Test Matrix Definitions */
-
-enum BuffLen {
- LEN_BEGIN = 0,
- LEN_SIMPLE = LEN_BEGIN,
- LEN_DOUBLE,
- LEN_LONG,
- LEN_SHORT,
- NUM_LENGTHS
-};
-
-static const char *buff_len_str[NUM_LENGTHS] = { "simple", "double",
- "long", "short" };
-
-enum AddrMode {
- ADDR_MODE_BEGIN = 0,
- ADDR_MODE_LBA28 = ADDR_MODE_BEGIN,
- ADDR_MODE_LBA48,
- NUM_ADDR_MODES
-};
-
-static const char *addr_mode_str[NUM_ADDR_MODES] = { "lba28", "lba48" };
-
-enum IOMode {
- MODE_BEGIN = 0,
- MODE_PIO = MODE_BEGIN,
- MODE_DMA,
- NUM_MODES
-};
-
-static const char *io_mode_str[NUM_MODES] = { "pio", "dma" };
-
-enum IOOps {
- IO_BEGIN = 0,
- IO_READ = IO_BEGIN,
- IO_WRITE,
- NUM_IO_OPS
-};
-
-enum OffsetType {
- OFFSET_BEGIN = 0,
- OFFSET_ZERO = OFFSET_BEGIN,
- OFFSET_LOW,
- OFFSET_HIGH,
- NUM_OFFSETS
-};
-
-static const char *offset_str[NUM_OFFSETS] = { "zero", "low", "high" };
-
-typedef struct AHCIIOTestOptions {
- enum BuffLen length;
- enum AddrMode address_type;
- enum IOMode io_type;
- enum OffsetType offset;
-} AHCIIOTestOptions;
-
-static uint64_t offset_sector(enum OffsetType ofst,
- enum AddrMode addr_type,
- uint64_t buffsize)
-{
- uint64_t ceil;
- uint64_t nsectors;
-
- switch (ofst) {
- case OFFSET_ZERO:
- return 0;
- case OFFSET_LOW:
- return 1;
- case OFFSET_HIGH:
- ceil = (addr_type == ADDR_MODE_LBA28) ? 0xfffffff : 0xffffffffffff;
- ceil = MIN(ceil, mb_to_sectors(test_image_size_mb) - 1);
- nsectors = buffsize / AHCI_SECTOR_SIZE;
- return ceil - nsectors + 1;
- default:
- g_assert_not_reached();
- }
-}
-
-/**
- * Table of possible I/O ATA commands given a set of enumerations.
- */
-static const uint8_t io_cmds[NUM_MODES][NUM_ADDR_MODES][NUM_IO_OPS] = {
- [MODE_PIO] = {
- [ADDR_MODE_LBA28] = {
- [IO_READ] = CMD_READ_PIO,
- [IO_WRITE] = CMD_WRITE_PIO },
- [ADDR_MODE_LBA48] = {
- [IO_READ] = CMD_READ_PIO_EXT,
- [IO_WRITE] = CMD_WRITE_PIO_EXT }
- },
- [MODE_DMA] = {
- [ADDR_MODE_LBA28] = {
- [IO_READ] = CMD_READ_DMA,
- [IO_WRITE] = CMD_WRITE_DMA },
- [ADDR_MODE_LBA48] = {
- [IO_READ] = CMD_READ_DMA_EXT,
- [IO_WRITE] = CMD_WRITE_DMA_EXT }
- }
-};
-
-/**
- * Test a Read/Write pattern using various commands, addressing modes,
- * transfer modes, and buffer sizes.
- */
-static void test_io_rw_interface(enum AddrMode lba48, enum IOMode dma,
- unsigned bufsize, uint64_t sector)
-{
- AHCIQState *ahci;
-
- ahci = ahci_boot_and_enable(NULL);
- ahci_test_io_rw_simple(ahci, bufsize, sector,
- io_cmds[dma][lba48][IO_READ],
- io_cmds[dma][lba48][IO_WRITE]);
- ahci_shutdown(ahci);
-}
-
-/**
- * Demultiplex the test data and invoke the actual test routine.
- */
-static void test_io_interface(gconstpointer opaque)
-{
- AHCIIOTestOptions *opts = (AHCIIOTestOptions *)opaque;
- unsigned bufsize;
- uint64_t sector;
-
- switch (opts->length) {
- case LEN_SIMPLE:
- bufsize = 4096;
- break;
- case LEN_DOUBLE:
- bufsize = 8192;
- break;
- case LEN_LONG:
- bufsize = 4096 * 64;
- break;
- case LEN_SHORT:
- bufsize = 512;
- break;
- default:
- g_assert_not_reached();
- }
-
- sector = offset_sector(opts->offset, opts->address_type, bufsize);
- test_io_rw_interface(opts->address_type, opts->io_type, bufsize, sector);
- g_free(opts);
- return;
-}
-
-static void create_ahci_io_test(enum IOMode type, enum AddrMode addr,
- enum BuffLen len, enum OffsetType offset)
-{
- char *name;
- AHCIIOTestOptions *opts;
-
- opts = g_malloc(sizeof(AHCIIOTestOptions));
- opts->length = len;
- opts->address_type = addr;
- opts->io_type = type;
- opts->offset = offset;
-
- name = g_strdup_printf("ahci/io/%s/%s/%s/%s",
- io_mode_str[type],
- addr_mode_str[addr],
- buff_len_str[len],
- offset_str[offset]);
-
- if ((addr == ADDR_MODE_LBA48) && (offset == OFFSET_HIGH) &&
- (mb_to_sectors(test_image_size_mb) <= 0xFFFFFFF)) {
- g_test_message("%s: skipped; test image too small", name);
- g_free(name);
- return;
- }
-
- qtest_add_data_func(name, opts, test_io_interface);
- g_free(name);
-}
-
-/******************************************************************************/
-
-int main(int argc, char **argv)
-{
- const char *arch;
- int ret;
- int fd;
- int c;
- int i, j, k, m;
-
- static struct option long_options[] = {
- {"pedantic", no_argument, 0, 'p' },
- {0, 0, 0, 0},
- };
-
- /* Should be first to utilize g_test functionality, So we can see errors. */
- g_test_init(&argc, &argv, NULL);
-
- while (1) {
- c = getopt_long(argc, argv, "", long_options, NULL);
- if (c == -1) {
- break;
- }
- switch (c) {
- case -1:
- break;
- case 'p':
- ahci_pedantic = 1;
- break;
- default:
- fprintf(stderr, "Unrecognized ahci_test option.\n");
- g_assert_not_reached();
- }
- }
-
- /* Check architecture */
- arch = qtest_get_arch();
- if (strcmp(arch, "i386") && strcmp(arch, "x86_64")) {
- g_test_message("Skipping test for non-x86");
- return 0;
- }
-
- /* Create a temporary image */
- fd = mkstemp(tmp_path);
- g_assert(fd >= 0);
- if (have_qemu_img()) {
- imgfmt = "qcow2";
- test_image_size_mb = TEST_IMAGE_SIZE_MB_LARGE;
- mkqcow2(tmp_path, TEST_IMAGE_SIZE_MB_LARGE);
- } else {
- g_test_message("QTEST_QEMU_IMG not set or qemu-img missing; "
- "skipping LBA48 high-sector tests");
- imgfmt = "raw";
- test_image_size_mb = TEST_IMAGE_SIZE_MB_SMALL;
- ret = ftruncate(fd, test_image_size_mb * 1024 * 1024);
- g_assert(ret == 0);
- }
- close(fd);
-
- /* Create temporary blkdebug instructions */
- fd = mkstemp(debug_path);
- g_assert(fd >= 0);
- close(fd);
-
- /* Reserve a hollow file to use as a socket for migration tests */
- fd = mkstemp(mig_socket);
- g_assert(fd >= 0);
- close(fd);
-
- /* Run the tests */
- qtest_add_func("/ahci/sanity", test_sanity);
- qtest_add_func("/ahci/pci_spec", test_pci_spec);
- qtest_add_func("/ahci/pci_enable", test_pci_enable);
- qtest_add_func("/ahci/hba_spec", test_hba_spec);
- qtest_add_func("/ahci/hba_enable", test_hba_enable);
- qtest_add_func("/ahci/identify", test_identify);
-
- for (i = MODE_BEGIN; i < NUM_MODES; i++) {
- for (j = ADDR_MODE_BEGIN; j < NUM_ADDR_MODES; j++) {
- for (k = LEN_BEGIN; k < NUM_LENGTHS; k++) {
- for (m = OFFSET_BEGIN; m < NUM_OFFSETS; m++) {
- create_ahci_io_test(i, j, k, m);
- }
- }
- }
- }
-
- qtest_add_func("/ahci/io/dma/lba28/fragmented", test_dma_fragmented);
-
- qtest_add_func("/ahci/flush/simple", test_flush);
- qtest_add_func("/ahci/flush/retry", test_flush_retry);
- qtest_add_func("/ahci/flush/migrate", test_flush_migrate);
-
- qtest_add_func("/ahci/migrate/sanity", test_migrate_sanity);
- qtest_add_func("/ahci/migrate/dma/simple", test_migrate_dma);
- qtest_add_func("/ahci/io/dma/lba28/retry", test_halted_dma);
- qtest_add_func("/ahci/migrate/dma/halted", test_migrate_halted_dma);
-
- qtest_add_func("/ahci/max", test_max);
- qtest_add_func("/ahci/reset", test_reset);
-
- qtest_add_func("/ahci/io/ncq/simple", test_ncq_simple);
- qtest_add_func("/ahci/migrate/ncq/simple", test_migrate_ncq);
- qtest_add_func("/ahci/io/ncq/retry", test_halted_ncq);
- qtest_add_func("/ahci/migrate/ncq/halted", test_migrate_halted_ncq);
-
- qtest_add_func("/ahci/cdrom/dma/single", test_cdrom_dma);
- qtest_add_func("/ahci/cdrom/dma/multi", test_cdrom_dma_multi);
- qtest_add_func("/ahci/cdrom/pio/single", test_cdrom_pio);
- qtest_add_func("/ahci/cdrom/pio/multi", test_cdrom_pio_multi);
-
- ret = g_test_run();
-
- /* Cleanup */
- unlink(tmp_path);
- unlink(debug_path);
- unlink(mig_socket);
-
- return ret;
-}