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megasas: add MegaRAID SAS 2108 emulation

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The 2108 chip supports MSI and MSI-X, so update the emulation
to support both chips.

Signed-off-by: Hannes Reinecke <hare@suse.de>
[Make VMStateDescription const. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hannes Reinecke 2014-10-29 13:00:08 +01:00 committed by Paolo Bonzini
parent 3f2cd4dd47
commit e23d04984a
3 changed files with 201 additions and 25 deletions
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218
hw/scsi/megasas.c
View File

@ -31,9 +31,11 @@
#include "mfi.h"
#define MEGASAS_VERSION "1.70"
#define MEGASAS_VERSION_GEN1 "1.70"
#define MEGASAS_VERSION_GEN2 "1.80"
#define MEGASAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */
#define MEGASAS_DEFAULT_FRAMES 1000 /* Windows requires this */
#define MEGASAS_GEN2_DEFAULT_FRAMES 1008 /* Windows requires this */
#define MEGASAS_MAX_SGE 128 /* Firmware limit */
#define MEGASAS_DEFAULT_SGE 80
#define MEGASAS_MAX_SECTORS 0xFFFF /* No real limit */
@ -91,6 +93,8 @@ typedef struct MegasasState {
int intr_mask;
int doorbell;
int busy;
int diag;
int adp_reset;
MegasasCmd *event_cmd;
int event_locale;
@ -115,10 +119,26 @@ typedef struct MegasasState {
SCSIBus bus;
} MegasasState;
#define TYPE_MEGASAS "megasas"
typedef struct MegasasBaseClass {
PCIDeviceClass parent_class;
const char *product_name;
const char *product_version;
int mmio_bar;
int ioport_bar;
int osts;
} MegasasBaseClass;
#define TYPE_MEGASAS_BASE "megasas-base"
#define TYPE_MEGASAS_GEN1 "megasas"
#define TYPE_MEGASAS_GEN2 "megasas-gen2"
#define MEGASAS(obj) \
OBJECT_CHECK(MegasasState, (obj), TYPE_MEGASAS)
OBJECT_CHECK(MegasasState, (obj), TYPE_MEGASAS_BASE)
#define MEGASAS_DEVICE_CLASS(oc) \
OBJECT_CLASS_CHECK(MegasasBaseClass, (oc), TYPE_MEGASAS_BASE)
#define MEGASAS_DEVICE_GET_CLASS(oc) \
OBJECT_GET_CLASS(MegasasBaseClass, (oc), TYPE_MEGASAS_BASE)
#define MEGASAS_INTR_DISABLED_MASK 0xFFFFFFFF
@ -686,6 +706,8 @@ static void megasas_finish_dcmd(MegasasCmd *cmd, uint32_t iov_size)
static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
{
PCIDevice *pci_dev = PCI_DEVICE(s);
PCIDeviceClass *pci_class = PCI_DEVICE_GET_CLASS(pci_dev);
MegasasBaseClass *base_class = MEGASAS_DEVICE_GET_CLASS(s);
struct mfi_ctrl_info info;
size_t dcmd_size = sizeof(info);
BusChild *kid;
@ -698,10 +720,10 @@ static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
return MFI_STAT_INVALID_PARAMETER;
}
info.pci.vendor = cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC);
info.pci.device = cpu_to_le16(PCI_DEVICE_ID_LSI_SAS1078);
info.pci.subvendor = cpu_to_le16(PCI_VENDOR_ID_LSI_LOGIC);
info.pci.subdevice = cpu_to_le16(0x1013);
info.pci.vendor = cpu_to_le16(pci_class->vendor_id);
info.pci.device = cpu_to_le16(pci_class->device_id);
info.pci.subvendor = cpu_to_le16(pci_class->subsystem_vendor_id);
info.pci.subdevice = cpu_to_le16(pci_class->subsystem_id);
/*
* For some reason the firmware supports
@ -728,11 +750,12 @@ static int megasas_ctrl_get_info(MegasasState *s, MegasasCmd *cmd)
num_pd_disks++;
}
memcpy(info.product_name, "MegaRAID SAS 8708EM2", 20);
memcpy(info.product_name, base_class->product_name, 24);
snprintf(info.serial_number, 32, "%s", s->hba_serial);
snprintf(info.package_version, 0x60, "%s-QEMU", QEMU_VERSION);
memcpy(info.image_component[0].name, "APP", 3);
memcpy(info.image_component[0].version, MEGASAS_VERSION "-QEMU", 9);
snprintf(info.image_component[0].version, 10, "%s-QEMU",
base_class->product_version);
memcpy(info.image_component[0].build_date, "Apr 1 2014", 11);
memcpy(info.image_component[0].build_time, "12:34:56", 8);
info.image_component_count = 1;
@ -1960,6 +1983,8 @@ static uint64_t megasas_mmio_read(void *opaque, hwaddr addr,
unsigned size)
{
MegasasState *s = opaque;
PCIDevice *pci_dev = PCI_DEVICE(s);
MegasasBaseClass *base_class = MEGASAS_DEVICE_GET_CLASS(s);
uint32_t retval = 0;
switch (addr) {
@ -1968,14 +1993,14 @@ static uint64_t megasas_mmio_read(void *opaque, hwaddr addr,
break;
case MFI_OMSG0:
case MFI_OSP0:
retval = (megasas_use_msix(s) ? MFI_FWSTATE_MSIX_SUPPORTED : 0) |
retval = (msix_present(pci_dev) ? MFI_FWSTATE_MSIX_SUPPORTED : 0) |
(s->fw_state & MFI_FWSTATE_MASK) |
((s->fw_sge & 0xff) << 16) |
(s->fw_cmds & 0xFFFF);
break;
case MFI_OSTS:
if (megasas_intr_enabled(s) && s->doorbell) {
retval = MFI_1078_RM | 1;
retval = base_class->osts;
}
break;
case MFI_OMSK:
@ -1984,6 +2009,12 @@ static uint64_t megasas_mmio_read(void *opaque, hwaddr addr,
case MFI_ODCR0:
retval = s->doorbell;
break;
case MFI_DIAG:
retval = s->diag;
break;
case MFI_OSP1:
retval = 15;
break;
default:
trace_megasas_mmio_invalid_readl(addr);
break;
@ -1992,6 +2023,8 @@ static uint64_t megasas_mmio_read(void *opaque, hwaddr addr,
return retval;
}
static int adp_reset_seq[] = {0x00, 0x04, 0x0b, 0x02, 0x07, 0x0d};
static void megasas_mmio_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
@ -2017,6 +2050,10 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
if (val & MFI_FWINIT_MFIMODE) {
/* discard MFIs */
}
if (val & MFI_FWINIT_STOP_ADP) {
/* Terminal error, stop processing */
s->fw_state = MFI_FWSTATE_FAULT;
}
break;
case MFI_OMSK:
s->intr_mask = val;
@ -2036,6 +2073,7 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
}
} else {
trace_megasas_intr_disabled();
megasas_soft_reset(s);
}
break;
case MFI_ODCR0:
@ -2057,8 +2095,9 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
break;
case MFI_IQPL:
/* Received low 32 bits of a 64 bit MFI frame address */
/* Fallthrough */
case MFI_IQP:
/* Received 32 bit MFI frame address */
/* Received 64 bit MFI frame address */
frame_addr = (val & ~0x1F);
/* Add possible 64 bit offset */
frame_addr |= ((uint64_t)s->frame_hi << 32);
@ -2066,6 +2105,28 @@ static void megasas_mmio_write(void *opaque, hwaddr addr,
frame_count = (val >> 1) & 0xF;
megasas_handle_frame(s, frame_addr, frame_count);
break;
case MFI_SEQ:
/* Magic sequence to start ADP reset */
if (adp_reset_seq[s->adp_reset] == val) {
s->adp_reset++;
} else {
s->adp_reset = 0;
s->diag = 0;
}
if (s->adp_reset == 6) {
s->diag = MFI_DIAG_WRITE_ENABLE;
}
break;
case MFI_DIAG:
/* ADP reset */
if ((s->diag & MFI_DIAG_WRITE_ENABLE) &&
(val & MFI_DIAG_RESET_ADP)) {
s->diag |= MFI_DIAG_RESET_ADP;
megasas_soft_reset(s);
s->adp_reset = 0;
s->diag = 0;
}
break;
default:
trace_megasas_mmio_invalid_writel(addr, val);
break;
@ -2150,7 +2211,7 @@ static void megasas_scsi_reset(DeviceState *dev)
megasas_soft_reset(s);
}
static const VMStateDescription vmstate_megasas = {
static const VMStateDescription vmstate_megasas_gen1 = {
.name = "megasas",
.version_id = 0,
.minimum_version_id = 0,
@ -2168,6 +2229,25 @@ static const VMStateDescription vmstate_megasas = {
}
};
static const VMStateDescription vmstate_megasas_gen2 = {
.name = "megasas-gen2",
.version_id = 0,
.minimum_version_id = 0,
.minimum_version_id_old = 0,
.fields = (VMStateField[]) {
VMSTATE_PCIE_DEVICE(parent_obj, MegasasState),
VMSTATE_MSIX(parent_obj, MegasasState),
VMSTATE_INT32(fw_state, MegasasState),
VMSTATE_INT32(intr_mask, MegasasState),
VMSTATE_INT32(doorbell, MegasasState),
VMSTATE_UINT64(reply_queue_pa, MegasasState),
VMSTATE_UINT64(consumer_pa, MegasasState),
VMSTATE_UINT64(producer_pa, MegasasState),
VMSTATE_END_OF_LIST()
}
};
static void megasas_scsi_uninit(PCIDevice *d)
{
MegasasState *s = MEGASAS(d);
@ -2195,6 +2275,7 @@ static int megasas_scsi_init(PCIDevice *dev)
{
DeviceState *d = DEVICE(dev);
MegasasState *s = MEGASAS(dev);
MegasasBaseClass *b = MEGASAS_DEVICE_GET_CLASS(s);
uint8_t *pci_conf;
int i, bar_type;
Error *err = NULL;
@ -2218,14 +2299,18 @@ static int megasas_scsi_init(PCIDevice *dev)
s->flags &= ~MEGASAS_MASK_USE_MSI;
}
if (megasas_use_msix(s) &&
msix_init(dev, 15, &s->mmio_io, 0, 0x2000,
&s->mmio_io, 0, 0x3800, 0x68)) {
msix_init(dev, 15, &s->mmio_io, b->mmio_bar, 0x2000,
&s->mmio_io, b->mmio_bar, 0x3800, 0x68)) {
s->flags &= ~MEGASAS_MASK_USE_MSIX;
}
if (pci_is_express(dev)) {
pcie_endpoint_cap_init(dev, 0xa0);
}
bar_type = PCI_BASE_ADDRESS_SPACE_MEMORY | PCI_BASE_ADDRESS_MEM_TYPE_64;
pci_register_bar(dev, 0, bar_type, &s->mmio_io);
pci_register_bar(dev, 2, PCI_BASE_ADDRESS_SPACE_IO, &s->port_io);
pci_register_bar(dev, b->ioport_bar,
PCI_BASE_ADDRESS_SPACE_IO, &s->port_io);
pci_register_bar(dev, b->mmio_bar, bar_type, &s->mmio_io);
pci_register_bar(dev, 3, bar_type, &s->queue_io);
if (megasas_use_msix(s)) {
@ -2288,7 +2373,7 @@ megasas_write_config(PCIDevice *pci, uint32_t addr, uint32_t val, int len)
msi_write_config(pci, addr, val, len);
}
static Property megasas_properties[] = {
static Property megasas_properties_gen1[] = {
DEFINE_PROP_UINT32("max_sge", MegasasState, fw_sge,
MEGASAS_DEFAULT_SGE),
DEFINE_PROP_UINT32("max_cmds", MegasasState, fw_cmds,
@ -2304,36 +2389,119 @@ static Property megasas_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
static Property megasas_properties_gen2[] = {
DEFINE_PROP_UINT32("max_sge", MegasasState, fw_sge,
MEGASAS_DEFAULT_SGE),
DEFINE_PROP_UINT32("max_cmds", MegasasState, fw_cmds,
MEGASAS_GEN2_DEFAULT_FRAMES),
DEFINE_PROP_STRING("hba_serial", MegasasState, hba_serial),
DEFINE_PROP_UINT64("sas_address", MegasasState, sas_addr, 0),
DEFINE_PROP_BIT("use_msi", MegasasState, flags,
MEGASAS_FLAG_USE_MSI, true),
DEFINE_PROP_BIT("use_msix", MegasasState, flags,
MEGASAS_FLAG_USE_MSIX, true),
DEFINE_PROP_BIT("use_jbod", MegasasState, flags,
MEGASAS_FLAG_USE_JBOD, false),
DEFINE_PROP_END_OF_LIST(),
};
typedef struct MegasasInfo {
const char *name;
const char *desc;
const char *product_name;
const char *product_version;
uint16_t device_id;
uint16_t subsystem_id;
int ioport_bar;
int mmio_bar;
bool is_express;
int osts;
const VMStateDescription *vmsd;
Property *props;
} MegasasInfo;
static struct MegasasInfo megasas_devices[] = {
{
.name = TYPE_MEGASAS_GEN1,
.desc = "LSI MegaRAID SAS 1078",
.product_name = "LSI MegaRAID SAS 8708EM2",
.product_version = MEGASAS_VERSION_GEN1,
.device_id = PCI_DEVICE_ID_LSI_SAS1078,
.subsystem_id = 0x1013,
.ioport_bar = 2,
.mmio_bar = 0,
.osts = MFI_1078_RM | 1,
.is_express = false,
.vmsd = &vmstate_megasas_gen1,
.props = megasas_properties_gen1,
},{
.name = TYPE_MEGASAS_GEN2,
.desc = "LSI MegaRAID SAS 2108",
.product_name = "LSI MegaRAID SAS 9260-8i",
.product_version = MEGASAS_VERSION_GEN2,
.device_id = PCI_DEVICE_ID_LSI_SAS0079,
.subsystem_id = 0x9261,
.ioport_bar = 0,
.mmio_bar = 1,
.osts = MFI_GEN2_RM,
.is_express = true,
.vmsd = &vmstate_megasas_gen2,
.props = megasas_properties_gen2,
}
};
static void megasas_class_init(ObjectClass *oc, void *data)
{
DeviceClass *dc = DEVICE_CLASS(oc);
PCIDeviceClass *pc = PCI_DEVICE_CLASS(oc);
MegasasBaseClass *e = MEGASAS_DEVICE_CLASS(oc);
const MegasasInfo *info = data;
pc->init = megasas_scsi_init;
pc->exit = megasas_scsi_uninit;
pc->vendor_id = PCI_VENDOR_ID_LSI_LOGIC;
pc->device_id = PCI_DEVICE_ID_LSI_SAS1078;
pc->device_id = info->device_id;
pc->subsystem_vendor_id = PCI_VENDOR_ID_LSI_LOGIC;
pc->subsystem_id = 0x1013;
pc->subsystem_id = info->subsystem_id;
pc->class_id = PCI_CLASS_STORAGE_RAID;
dc->props = megasas_properties;
pc->is_express = info->is_express;
e->mmio_bar = info->mmio_bar;
e->ioport_bar = info->ioport_bar;
e->osts = info->osts;
e->product_name = info->product_name;
e->product_version = info->product_version;
dc->props = info->props;
dc->reset = megasas_scsi_reset;
dc->vmsd = &vmstate_megasas;
dc->vmsd = info->vmsd;
set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
dc->desc = "LSI MegaRAID SAS 1078";
dc->desc = info->desc;
pc->config_write = megasas_write_config;
}
static const TypeInfo megasas_info = {
.name = TYPE_MEGASAS,
.name = TYPE_MEGASAS_BASE,
.parent = TYPE_PCI_DEVICE,
.instance_size = sizeof(MegasasState),
.class_init = megasas_class_init,
.class_size = sizeof(MegasasBaseClass),
.abstract = true,
};
static void megasas_register_types(void)
{
int i;
type_register_static(&megasas_info);
for (i = 0; i < ARRAY_SIZE(megasas_devices); i++) {
const MegasasInfo *info = &megasas_devices[i];
TypeInfo type_info = {};
type_info.name = info->name;
type_info.parent = TYPE_MEGASAS_BASE;
type_info.class_data = (void *)info;
type_info.class_init = megasas_class_init;
type_register(&type_info);
}
}
type_init(megasas_register_types)

7
hw/scsi/mfi.h
View File

@ -60,6 +60,7 @@
#define MFI_ODR0 0x9c /* outbound doorbell register0 */
#define MFI_ODCR0 0xa0 /* outbound doorbell clear register0 */
#define MFI_OSP0 0xb0 /* outbound scratch pad0 */
#define MFI_OSP1 0xb4 /* outbound scratch pad1 */
#define MFI_IQPL 0xc0 /* Inbound queue port (low bytes) */
#define MFI_IQPH 0xc4 /* Inbound queue port (high bytes) */
#define MFI_DIAG 0xf8 /* Host diag */
@ -116,6 +117,12 @@
#define MFI_FWINIT_STOP_ADP 0x00000020 /* Move to operational, stop */
#define MFI_FWINIT_ADP_RESET 0x00000040 /* Reset ADP */
/*
* Control bits for the DIAG register
*/
#define MFI_DIAG_WRITE_ENABLE 0x00000080
#define MFI_DIAG_RESET_ADP 0x00000004
/* MFI Commands */
typedef enum {
MFI_CMD_INIT = 0x00,

1
include/hw/pci/pci_ids.h
View File

@ -56,6 +56,7 @@
#define PCI_DEVICE_ID_LSI_53C810 0x0001
#define PCI_DEVICE_ID_LSI_53C895A 0x0012
#define PCI_DEVICE_ID_LSI_SAS1078 0x0060
#define PCI_DEVICE_ID_LSI_SAS0079 0x0079
#define PCI_VENDOR_ID_DEC 0x1011
#define PCI_DEVICE_ID_DEC_21154 0x0026