* [Qemu-devel] [PATCH 3/3] megasas: LSI Megaraid SAS emulation
2011-07-01 15:35 ` [Qemu-devel] [PATCH 2/3] scsi: Add 'hba_private' to SCSIRequest Hannes Reinecke
@ 2011-07-01 15:35 ` Hannes Reinecke
2011-07-01 16:42 ` Alexander Graf
2011-07-02 16:14 ` Stefan Hajnoczi
2011-07-01 15:57 ` [Qemu-devel] [PATCH 2/3] scsi: Add 'hba_private' to SCSIRequest Paolo Bonzini
1 sibling, 2 replies; 18+ messages in thread
From: Hannes Reinecke @ 2011-07-01 15:35 UTC (permalink / raw)
To: qemu-devel
Cc: Paolo Bonzini, Hannes Reinecke, Stefan Haynoczi, kvm,
Alexander Graf
This patch adds an emulation for the LSI Megaraid SAS 8708EM2 HBA.
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
Makefile.objs | 1 +
default-configs/pci.mak | 1 +
hw/megasas.c | 1920 +++++++++++++++++++++++++++++++++++++++++++++++
hw/mfi.h | 1197 +++++++++++++++++++++++++++++
hw/pci_ids.h | 3 +-
5 files changed, 3121 insertions(+), 1 deletions(-)
create mode 100644 hw/megasas.c
create mode 100644 hw/mfi.h
diff --git a/Makefile.objs b/Makefile.objs
index cea15e4..6f5d113 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -258,6 +258,7 @@ hw-obj-$(CONFIG_AHCI) += ide/ich.o
# SCSI layer
hw-obj-$(CONFIG_LSI_SCSI_PCI) += lsi53c895a.o
+hw-obj-$(CONFIG_MEGASAS_SCSI_PCI) += megasas.o
hw-obj-$(CONFIG_ESP) += esp.o
hw-obj-y += dma-helpers.o sysbus.o isa-bus.o
diff --git a/default-configs/pci.mak b/default-configs/pci.mak
index 22bd350..fabb56c 100644
--- a/default-configs/pci.mak
+++ b/default-configs/pci.mak
@@ -9,6 +9,7 @@ CONFIG_EEPRO100_PCI=y
CONFIG_PCNET_PCI=y
CONFIG_PCNET_COMMON=y
CONFIG_LSI_SCSI_PCI=y
+CONFIG_MEGASAS_SCSI_PCI=y
CONFIG_RTL8139_PCI=y
CONFIG_E1000_PCI=y
CONFIG_IDE_CORE=y
diff --git a/hw/megasas.c b/hw/megasas.c
new file mode 100644
index 0000000..0a13e49
--- /dev/null
+++ b/hw/megasas.c
@@ -0,0 +1,1920 @@
+/*
+ * QEMU MegaRAID SAS 8708EM2 Host Bus Adapter emulation
+ *
+ * Copyright (c) 2009-2011 Hannes Reinecke, SUSE Labs
+ *
+ * This code is licensed under the LGPL.
+ */
+
+#include "hw.h"
+#include "pci.h"
+#include "dma.h"
+#include "iov.h"
+#include "scsi.h"
+#include "scsi-defs.h"
+#include "block_int.h"
+
+#include "mfi.h"
+
+#define DEBUG_MEGASAS
+#undef DEBUG_MEGASAS_REG
+#undef DEBUG_MEGASAS_QUEUE
+#undef DEBUG_MEGASAS_MFI
+#undef DEBUG_MEGASAS_IO
+#undef DEBUG_MEGASAS_DCMD
+
+#ifdef DEBUG_MEGASAS
+#define DPRINTF(fmt, ...) \
+ do { \
+ printf("megasas: " fmt , ## __VA_ARGS__); \
+ } while (0)
+#define BADF(fmt, ...) \
+ do { \
+ fprintf(stderr, "megasas: error: " fmt , ## __VA_ARGS__); \
+ exit(1); \
+ } while (0)
+#ifdef DEBUG_MEGASAS_REG
+#define DPRINTF_REG DPRINTF
+#else
+#define DPRINTF_REG(fmt, ...) do {} while (0)
+#endif
+#ifdef DEBUG_MEGASAS_QUEUE
+#define DPRINTF_QUEUE DPRINTF
+#else
+#define DPRINTF_QUEUE(fmt, ...) do {} while (0)
+#endif
+#ifdef DEBUG_MEGASAS_MFI
+#define DPRINTF_MFI DPRINTF
+#else
+#define DPRINTF_MFI(fmt, ...) do {} while (0)
+#endif
+#ifdef DEBUG_MEGASAS_IO
+#define DPRINTF_IO DPRINTF
+#else
+#define DPRINTF_IO(fmt, ...) do {} while (0)
+#endif
+#ifdef DEBUG_MEGASAS_DCMD
+#define DPRINTF_DCMD DPRINTF
+#else
+#define DPRINTF_DCMD(fmt, ...) do {} while (0)
+#endif
+#else
+#define DPRINTF(fmt, ...) do {} while (0)
+#define DPRINTF_REG DPRINTF
+#define DPRINTF_QUEUE DPRINTF
+#define DPRINTF_MFI DPRINTF
+#define DPRINTF_IO DPRINTF
+#define DPRINTF_DCMD DPRINTF
+#define BADF(fmt, ...) \
+ do { \
+ fprintf(stderr, "megasas: error: " fmt , ## __VA_ARGS__); \
+ } while (0)
+#endif
+
+/* Static definitions */
+#define MEGASAS_VERSION "1.20"
+#define MEGASAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */
+#define MEGASAS_DEFAULT_FRAMES 1000 /* Windows requires this */
+#define MEGASAS_MAX_SGE 256 /* Firmware limit */
+#define MEGASAS_DEFAULT_SGE 80
+#define MEGASAS_MAX_SECTORS 0xFFFF /* No real limit */
+#define MEGASAS_MAX_ARRAYS 128
+
+const char *mfi_frame_desc[] = {
+ "MFI init", "LD Read", "LD Write", "LD SCSI", "PD SCSI",
+ "MFI Doorbell", "MFI Abort", "MFI SMP", "MFI Stop"};
+
+struct megasas_cmd_t {
+ int index;
+ int context;
+ int count;
+
+ target_phys_addr_t pa;
+ target_phys_addr_t pa_size;
+ union mfi_frame *frame;
+ SCSIRequest *req;
+ struct iovec *iov;
+ void *iov_buf;
+ long iov_cnt;
+ long iov_size;
+ long iov_offset;
+ SCSIDevice *sdev;
+ struct megasas_state_t *state;
+};
+
+typedef struct megasas_state_t {
+ PCIDevice dev;
+ int mmio_io_addr;
+ int io_addr;
+ int queue_addr;
+ uint32_t frame_hi;
+
+ int fw_state;
+ uint32_t fw_sge;
+ uint32_t fw_cmds;
+ int fw_luns;
+ int intr_mask;
+ int doorbell;
+ int busy;
+ char *raid_mode_str;
+ int is_jbod;
+
+ int event_count;
+ int shutdown_event;
+ int boot_event;
+
+ uint64_t reply_queue_pa;
+ void *reply_queue;
+ int reply_queue_len;
+ int reply_queue_index;
+ uint64_t consumer_pa;
+ uint64_t producer_pa;
+
+ struct megasas_cmd_t frames[MEGASAS_MAX_FRAMES];
+
+ SCSIBus bus;
+} MPTState;
+
+#define MEGASAS_INTR_DISABLED_MASK 0xFFFFFFFF
+
+#define MEGASAS_INTR_ENABLED(s) \
+ (((s)->intr_mask & MEGASAS_INTR_DISABLED_MASK) != \
+ MEGASAS_INTR_DISABLED_MASK)
+
+#define megasas_frame_set_cmd_status(f, v) \
+ stb_phys((f) + offsetof(struct mfi_frame_header, cmd_status), v);
+
+#define megasas_frame_set_scsi_status(f, v) \
+ stb_phys((f) + offsetof(struct mfi_frame_header, scsi_status), v);
+
+#define megasas_frame_get_cmd(f) \
+ ldub_phys((f) + offsetof(struct mfi_frame_header, frame_cmd))
+
+#define megasas_frame_get_context(f) \
+ ldl_phys(frame_addr + offsetof(struct mfi_frame_header, context));
+
+static void megasas_soft_reset(MPTState *s);
+
+static int megasas_map_sgl(struct megasas_cmd_t *cmd, int pa_offset)
+{
+ int i;
+ uint16_t flags = le16_to_cpu(cmd->frame->header.flags);
+ int is_sgl64 = (flags & MFI_FRAME_SGL64) ? 1 : 0;
+ int is_write = (flags & MFI_FRAME_DIR_WRITE) ? 1 : 0;
+ int sgl_addr_size = is_sgl64 ? sizeof(uint64_t) : sizeof(uint32_t);
+ size_t iov_count = 0;
+
+ cmd->iov = qemu_malloc(sizeof(struct iovec) *
+ (cmd->frame->header.sge_count + 1));
+ for (i = 0; i < cmd->frame->header.sge_count; i++) {
+ target_phys_addr_t pa, iov_pa, iov_size;
+
+ pa = cmd->pa + pa_offset;
+ if (is_sgl64) {
+ iov_pa = ldq_phys(pa);
+ } else {
+ iov_pa = ldl_phys(pa);
+ }
+ iov_size = ldl_phys(pa + sgl_addr_size);
+ cmd->iov[i].iov_base = cpu_physical_memory_map(iov_pa, &iov_size,
+ is_write);
+ cmd->iov[i].iov_len = iov_size;
+ pa_offset += sgl_addr_size + sizeof(uint32_t);
+ iov_count += iov_size;
+ }
+ cmd->iov[i].iov_base = NULL;
+ cmd->iov[i].iov_len = 0;
+ if (pa_offset > (cmd->count + 1) * MFI_FRAME_SIZE) {
+ DPRINTF_IO("frame %d: iov list overflow count %d sge %d offset %x\n",
+ cmd->context, cmd->count, cmd->frame->header.sge_count,
+ pa_offset);
+ }
+ if (iov_count > cmd->iov_size * cmd->sdev->blocksize) {
+ DPRINTF("iov list too long: is %ld should be %ld\n",
+ iov_count, cmd->iov_size * cmd->sdev->blocksize);
+ }
+ return cmd->frame->header.sge_count;
+}
+
+static void megasas_unmap_sgl(struct megasas_cmd_t *cmd)
+{
+ uint16_t flags = le16_to_cpu(cmd->frame->header.flags);
+ int i, is_write = (flags & MFI_FRAME_DIR_WRITE) ? 1 : 0;
+
+ for (i = 0; i < cmd->frame->header.sge_count; i++) {
+ cpu_physical_memory_unmap(cmd->iov[i].iov_base, cmd->iov[i].iov_len,
+ is_write, cmd->iov[i].iov_len);
+ }
+ qemu_free(cmd->iov);
+}
+
+/*
+ * passthrough sense and io sense are at the same offset
+ */
+static int megasas_build_sense(struct megasas_cmd_t *cmd, uint8_t *sense_ptr,
+ uint8_t sense_len)
+{
+ target_phys_addr_t pa, pa_hi = 0, pa_lo;
+ uint16_t flags = le16_to_cpu(cmd->frame->header.flags);
+ int is_sense64 = (flags & MFI_FRAME_SENSE64) ? 1 : 0;
+
+ if (sense_len > cmd->frame->header.sense_len) {
+ sense_len = cmd->frame->header.sense_len;
+ }
+
+ pa_lo = le32_to_cpu(cmd->frame->pass.sense_addr_lo);
+ if (is_sense64) {
+ pa_hi = le32_to_cpu(cmd->frame->pass.sense_addr_hi);
+ }
+ pa = ((uint64_t) pa_hi << 32) | pa_lo;
+ cpu_physical_memory_write(pa, sense_ptr, sense_len);
+ cmd->frame->header.sense_len = sense_len;
+ return sense_len;
+}
+
+static void megasas_write_sense(struct megasas_cmd_t *cmd, SCSISense sense)
+{
+ uint8_t *sense_ptr;
+ uint8_t sense_len;
+
+ sense_ptr = qemu_mallocz(cmd->frame->header.sense_len);
+ sense_len = scsi_build_sense(sense, sense_ptr,
+ cmd->frame->header.sense_len, 0);
+ megasas_build_sense(cmd, sense_ptr, sense_len);
+ qemu_free(sense_ptr);
+}
+
+static void megasas_copy_sense(struct megasas_cmd_t *cmd)
+{
+ uint8_t *sense_ptr;
+ uint8_t sense_len;
+
+ sense_ptr = qemu_mallocz(cmd->frame->header.sense_len);
+ sense_len = scsi_req_get_sense(cmd->req, sense_ptr,
+ cmd->frame->header.sense_len);
+ megasas_build_sense(cmd, sense_ptr, sense_len);
+ qemu_free(sense_ptr);
+}
+
+/*
+ * Format an INQUIRY CDB
+ */
+static int megasas_setup_inquiry(uint8_t *cdb, int pg,
+ uint8_t *buf, int len)
+{
+ memset(cdb, 0, 6);
+ cdb[0] = INQUIRY;
+ if (pg > 0) {
+ cdb[1] = 0x1;
+ cdb[2] = pg;
+ }
+ cdb[3] = (len >> 8) & 0xff;
+ cdb[4] = (len & 0xff);
+ return len;
+}
+
+/*
+ * Encode lba and len into a READ_16/WRITE_16 CDB
+ */
+static void megasas_encode_lba(uint8_t *cdb, uint64_t lba,
+ uint32_t len, int is_write)
+{
+ memset(cdb, 0x0, 16);
+ if (is_write) {
+ cdb[0] = WRITE_16;
+ } else {
+ cdb[0] = READ_16;
+ }
+ cdb[2] = (lba >> 56) & 0xff;
+ cdb[3] = (lba >> 48) & 0xff;
+ cdb[4] = (lba >> 40) & 0xff;
+ cdb[5] = (lba >> 32) & 0xff;
+ cdb[6] = (lba >> 24) & 0xff;
+ cdb[7] = (lba >> 16) & 0xff;
+ cdb[8] = (lba >> 8) & 0xff;
+ cdb[9] = (lba) & 0xff;
+ cdb[10] = (len >> 24) & 0xff;
+ cdb[11] = (len >> 16) & 0xff;
+ cdb[12] = (len >> 8) & 0xff;
+ cdb[13] = (len) & 0xff;
+}
+
+/*
+ * Utility functions
+ */
+static uint64_t megasas_fw_time(void)
+{
+ const time_t now = time(NULL);
+ struct tm *curtime;
+ uint64_t bcd_time;
+
+ curtime = gmtime(&now);
+ bcd_time = ((uint64_t)curtime->tm_sec & 0xff) << 48 |
+ ((uint64_t)curtime->tm_min & 0xff) << 40 |
+ ((uint64_t)curtime->tm_hour & 0xff) << 32 |
+ ((uint64_t)curtime->tm_mday & 0xff) << 24 |
+ ((uint64_t)curtime->tm_mon & 0xff) << 16 |
+ ((uint64_t)(curtime->tm_year + 1900) & 0xffff);
+
+ return bcd_time;
+}
+
+static uint64_t megasas_gen_sas_addr(uint64_t id)
+{
+ uint64_t addr;
+
+ addr = 0x5001a4aULL << 36;
+ addr |= id & 0xfffffffff;
+
+ return addr;
+}
+
+/*
+ * Frame handling
+ */
+
+static void megasas_dump_frame(struct megasas_cmd_t *cmd)
+{
+ DPRINTF("Frame %x: count %d pa %p context %x\n"
+ "\t%016lx %016lx\n\t%016lx %016lx\n"
+ "\t%016lx %016lx\n\t%016lx %016lx\n",
+ cmd->index, cmd->count, cmd->frame, cmd->context,
+ be64_to_cpu(cmd->frame->raw[0]),
+ be64_to_cpu(cmd->frame->raw[1]),
+ be64_to_cpu(cmd->frame->raw[2]),
+ be64_to_cpu(cmd->frame->raw[3]),
+ be64_to_cpu(cmd->frame->raw[4]),
+ be64_to_cpu(cmd->frame->raw[5]),
+ be64_to_cpu(cmd->frame->raw[6]),
+ be64_to_cpu(cmd->frame->raw[7]));
+}
+
+static inline int megasas_next_index(MPTState *s, int index)
+{
+ index++;
+ if (index == s->fw_cmds) {
+ index = 0;
+ }
+ return index;
+}
+
+static inline struct megasas_cmd_t *megasas_lookup_frame(MPTState *s,
+ target_phys_addr_t frame)
+{
+ struct megasas_cmd_t *cmd = NULL;
+ int num = 0, index;
+
+ index = s->reply_queue_index;
+
+ while (num < s->fw_cmds) {
+ if (s->frames[index].pa && s->frames[index].pa == frame) {
+ cmd = &s->frames[index];
+ break;
+ }
+ index = megasas_next_index(s, index);
+ num++;
+ }
+
+ return cmd;
+}
+
+static inline struct megasas_cmd_t *megasas_next_frame(MPTState *s,
+ target_phys_addr_t frame)
+{
+ struct megasas_cmd_t *cmd = NULL;
+ int num = 0, index;
+
+ cmd = megasas_lookup_frame(s, frame);
+ if (cmd) {
+ DPRINTF_QUEUE("Found mapped frame %x pa %lx\n", cmd->index, cmd->pa);
+ return cmd;
+ }
+ index = s->reply_queue_index;
+ num = 0;
+ while (num < s->fw_cmds) {
+ if (!s->frames[index].pa) {
+ cmd = &s->frames[index];
+ break;
+ }
+ index = megasas_next_index(s, index);
+ num++;
+ }
+ DPRINTF_QUEUE("Return new frame %x cmd %p\n", index, cmd);
+ return cmd;
+}
+
+static struct megasas_cmd_t *
+megasas_enqueue_frame(MPTState *s, target_phys_addr_t frame, int count)
+{
+ struct megasas_cmd_t *cmd = NULL;
+ uint8_t frame_size = MFI_FRAME_SIZE;
+ target_phys_addr_t frame_size_p = frame_size;
+
+ cmd = megasas_next_frame(s, frame);
+ /* All frames busy */
+ if (!cmd) {
+ return NULL;
+ }
+ if (!cmd->pa) {
+ cmd->pa = frame;
+ cmd->frame = cpu_physical_memory_map(frame, &frame_size_p, 0);
+ if (frame_size_p != frame_size) {
+ DPRINTF("failed to map frame %lu\n", (unsigned long)frame);
+ if (cmd->frame) {
+ cpu_physical_memory_unmap(cmd->frame, frame_size_p, 0, 0);
+ cmd->frame = NULL;
+ cmd->pa = 0;
+ }
+ s->event_count++;
+ return NULL;
+ }
+ cmd->pa_size = frame_size_p;
+ cmd->context = le32_to_cpu(cmd->frame->header.context);
+ }
+ cmd->count = count;
+ s->busy++;
+
+ DPRINTF_QUEUE("Enqueue frame %x count %d context %x tail %x busy %d\n",
+ cmd->index, cmd->count, cmd->context,
+ s->reply_queue_index, s->busy);
+
+ return cmd;
+}
+
+static void megasas_dequeue_frame(MPTState *s, int context)
+{
+ int tail;
+
+ /* Decrement busy count */
+ s->busy--;
+
+ if (!MEGASAS_INTR_ENABLED(s)) {
+ DPRINTF_QUEUE("Complete frame context %x\n", context);
+ return;
+ }
+
+ /* Put command on the reply queue */
+ tail = s->reply_queue_index;
+ stl_phys(s->reply_queue_pa + tail * sizeof(uint32_t), context);
+
+ s->reply_queue_index = megasas_next_index(s, tail);
+ DPRINTF_QUEUE("Complete frame context %x tail %x busy %d doorbell %d\n",
+ context, tail, s->busy, s->doorbell);
+
+ /* Notify HBA */
+ s->doorbell++;
+ if (s->doorbell == 1) {
+ qemu_irq_raise(s->dev.irq[0]);
+ }
+}
+
+static void megasas_abort_command(struct megasas_cmd_t *cmd)
+{
+ if (cmd->req) {
+ scsi_req_unref(cmd->req);
+ cmd->req = NULL;
+ }
+}
+
+static int megasas_init_firmware(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ target_phys_addr_t iq_pa, pa_hi, pa_lo, iq_pl, initq_size;
+ struct mfi_init_qinfo *initq;
+
+ iq_pl = le32_to_cpu(cmd->frame->init.header.data_len);
+ pa_lo = le32_to_cpu(cmd->frame->init.qinfo_new_addr_lo);
+ pa_hi = le32_to_cpu(cmd->frame->init.qinfo_new_addr_hi);
+ iq_pa = (((uint64_t) pa_hi << 32) | pa_lo);
+ DPRINTF_MFI("MFI init firmware: xfer len %d pa %lx\n", (int)iq_pl,
+ (unsigned long)iq_pa);
+ initq_size = sizeof(*initq);
+ initq = cpu_physical_memory_map(iq_pa, &initq_size, 0);
+ if (initq_size != sizeof(*initq)) {
+ DPRINTF("MFI init firmware: failed to map queue mem\n");
+ if (initq) {
+ cpu_physical_memory_unmap(initq, initq_size, 0, 0);
+ }
+ s->fw_state = MFI_FWSTATE_FAULT;
+ s->event_count++;
+ goto out;
+ }
+ s->reply_queue_len = le32_to_cpu(initq->rq_entries);
+ pa_lo = le32_to_cpu(initq->rq_addr_lo);
+ pa_hi = le32_to_cpu(initq->rq_addr_hi);
+ s->reply_queue_pa = ((uint64_t) pa_hi << 32) | pa_lo;
+ pa_lo = le32_to_cpu(initq->ci_addr_lo);
+ pa_hi = le32_to_cpu(initq->ci_addr_hi);
+ s->consumer_pa = ((uint64_t) pa_hi << 32) | pa_lo;
+ pa_lo = le32_to_cpu(initq->pi_addr_lo);
+ pa_hi = le32_to_cpu(initq->pi_addr_hi);
+ s->producer_pa = ((uint64_t) pa_hi << 32) | pa_lo;
+ DPRINTF_MFI("MFI init firmware: queue at %lx len %d head %lx tail %lx\n",
+ (unsigned long)s->reply_queue_pa, s->reply_queue_len,
+ (unsigned long)s->producer_pa, (unsigned long)s->consumer_pa);
+ s->reply_queue_index = ldl_phys(s->producer_pa);
+ s->fw_state = MFI_FWSTATE_OPERATIONAL;
+out:
+ cpu_physical_memory_unmap(initq, initq_size, 0, 0);
+ return 0;
+}
+
+static int megasas_map_dcmd(struct megasas_cmd_t *cmd)
+{
+ target_phys_addr_t iov_pa, iov_size_p;
+ uint32_t iov_size = 0;
+ uint16_t flags = le16_to_cpu(cmd->frame->header.flags);
+ int is_sgl64 = (flags & MFI_FRAME_SGL64) ? 1 : 0;
+
+ if (!cmd->frame->header.sge_count) {
+ DPRINTF_DCMD("Zero DCMD sge count\n");
+ cmd->iov_size = 0;
+ cmd->iov_buf = NULL;
+ return 0;
+ } else if (cmd->frame->header.sge_count > 1) {
+ DPRINTF("Invalid DCMD sge count %d\n",
+ cmd->frame->header.sge_count);
+ return -1;
+ }
+ if (is_sgl64) {
+ iov_pa = le64_to_cpu(cmd->frame->dcmd.sgl.sg64[0].addr);
+ iov_size = le32_to_cpu(cmd->frame->dcmd.sgl.sg64[0].len);
+ } else {
+ iov_pa = le32_to_cpu(cmd->frame->dcmd.sgl.sg32[0].addr);
+ iov_size = le32_to_cpu(cmd->frame->dcmd.sgl.sg32[0].len);
+ }
+ iov_size_p = iov_size;
+ cmd->iov_buf = cpu_physical_memory_map(iov_pa, &iov_size_p, 1);
+ if (iov_size_p != iov_size) {
+ DPRINTF("failed to map dcmd buffer\n");
+ if (cmd->iov_buf) {
+ cpu_physical_memory_unmap(cmd->iov_buf, iov_size, 1, 0);
+ cmd->iov_buf = NULL;
+ cmd->iov_size = 0;
+ }
+ return -1;
+ }
+ cmd->iov_size = iov_size;
+ return iov_size;
+}
+
+static int megasas_finish_dcmd(struct megasas_cmd_t *cmd, uint32_t size)
+{
+ uint16_t flags = le16_to_cpu(cmd->frame->header.flags);
+ int is_sgl64 = (flags & MFI_FRAME_SGL64) ? 1 : 0;
+ int sgl_addr_size = is_sgl64 ? sizeof(uint64_t) : sizeof(uint32_t);
+
+ if (size > cmd->iov_size) {
+ DPRINTF("DCMD buffer overflow %u/%ld\n",
+ size, cmd->iov_size);
+ size = cmd->iov_size;
+ }
+ if (!cmd->iov_buf) {
+ return 0;
+ }
+
+ cpu_physical_memory_unmap(cmd->iov_buf, cmd->iov_size, 1, size);
+ if (cmd->iov_size > size) {
+ stl_phys(cmd->pa + offsetof(struct mfi_dcmd_frame, sgl)
+ + sgl_addr_size, size);
+ }
+ return size;
+}
+
+static int megasas_ctrl_get_info(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_ctrl_info *info = cmd->iov_buf;
+ int n, num_ld_disks = 0;
+
+ for (n = 0; n < s->fw_luns; n++) {
+ if (s->bus.devs[n]) {
+ num_ld_disks++;
+ }
+ }
+
+ memset(cmd->iov_buf, 0x0, cmd->iov_size);
+ if (cmd->iov_size != sizeof(struct mfi_ctrl_info)) {
+ DPRINTF_DCMD("Ctrl Get Info: invalid xfer_len %ld\n",
+ cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ DPRINTF_DCMD("MFI DCMD get controller info\n");
+ info->pci.vendor = PCI_VENDOR_ID_LSI_LOGIC;
+ info->pci.device = PCI_DEVICE_ID_LSI_SAS1078;
+ info->pci.subvendor = PCI_VENDOR_ID_LSI_LOGIC;
+ info->pci.subdevice = 0x1013;
+
+ info->host.type = MFI_INFO_HOST_PCIX;
+ info->device.type = MFI_INFO_DEV_SAS3G;
+ info->device.port_count = 2;
+ info->device.port_addr[0] = megasas_gen_sas_addr((unsigned long)s);
+
+ memcpy(info->product_name, "MegaRAID SAS 8708EM2", 20);
+ snprintf(info->serial_number, 32, "QEMU%08lx",
+ (unsigned long)s & 0xFFFFFFFF);
+ snprintf(info->package_version, 0x60, "%s-QEMU", QEMU_VERSION);
+ memcpy(info->image_component[0].name, "APP", 8);
+ memcpy(info->image_component[0].version, MEGASAS_VERSION "-QEMU", 32);
+ memcpy(info->image_component[0].build_date, __DATE__, 16);
+ memcpy(info->image_component[0].build_time, __TIME__, 16);
+ info->image_component_count = 1;
+ info->current_fw_time = megasas_fw_time();
+ info->max_arms = 32;
+ info->max_spans = 8;
+ info->max_arrays = MEGASAS_MAX_ARRAYS;
+ info->max_lds = s->fw_luns;
+ info->max_cmds = s->fw_cmds;
+ info->max_sg_elements = s->fw_sge;
+ info->max_request_size = MEGASAS_MAX_SECTORS;
+ info->lds_present = num_ld_disks;
+ info->pd_present = num_ld_disks + 1;
+ info->pd_disks_present = num_ld_disks;
+ info->hw_present = MFI_INFO_HW_NVRAM | MFI_INFO_HW_MEM | MFI_INFO_HW_FLASH;
+ info->memory_size = 512;
+ info->nvram_size = 32;
+ info->flash_size = 16;
+ info->raid_levels = MFI_INFO_RAID_0;
+ info->adapter_ops = MFI_INFO_AOPS_RBLD_RATE |
+ MFI_INFO_AOPS_SELF_DIAGNOSTIC |
+ MFI_INFO_AOPS_MIXED_ARRAY;
+ info->ld_ops = MFI_INFO_LDOPS_DISK_CACHE_POLICY |
+ MFI_INFO_LDOPS_ACCESS_POLICY |
+ MFI_INFO_LDOPS_IO_POLICY |
+ MFI_INFO_LDOPS_WRITE_POLICY |
+ MFI_INFO_LDOPS_READ_POLICY;
+ info->max_strips_per_io = s->fw_sge;
+ info->stripe_sz_ops.min = 3;
+ info->stripe_sz_ops.max = ffs(MEGASAS_MAX_SECTORS + 1) - 1;
+ info->properties.pred_fail_poll_interval = 300;
+ info->properties.intr_throttle_cnt = 16;
+ info->properties.intr_throttle_timeout = 50;
+ info->properties.rebuild_rate = 30;
+ info->properties.patrol_read_rate = 30;
+ info->properties.bgi_rate = 30;
+ info->properties.cc_rate = 30;
+ info->properties.recon_rate = 30;
+ info->properties.cache_flush_interval = 4;
+ info->properties.spinup_drv_cnt = 2;
+ info->properties.spinup_delay = 6;
+ info->properties.ecc_bucket_size = 15;
+ info->properties.ecc_bucket_leak_rate = 1440;
+ info->properties.expose_encl_devices = 1;
+ info->pd_ops = MFI_INFO_PDOPS_FORCE_ONLINE | MFI_INFO_PDOPS_FORCE_OFFLINE;
+ info->pd_mix_support = MFI_INFO_PDMIX_SAS |
+ MFI_INFO_PDMIX_SATA |
+ MFI_INFO_PDMIX_LD;
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_mfc_get_defaults(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_defaults *info = cmd->iov_buf;
+
+ memset(cmd->iov_buf, 0x0, cmd->iov_size);
+ if (cmd->iov_size != sizeof(struct mfi_defaults)) {
+ DPRINTF_DCMD("MFC Get defaults: invalid xfer_len %ld\n", cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ info->stripe_size = 3;
+ info->flush_time = 4;
+ info->background_rate = 30;
+ info->allow_mix_in_enclosure = 1;
+ info->allow_mix_in_ld = 1;
+ info->direct_pd_mapping = 1;
+ info->bios_enumerate_lds = 1;
+ info->disable_ctrl_r = 1;
+ info->expose_enclosure_devices = 1;
+ info->disable_preboot_cli = 1;
+ info->cluster_disable = 1;
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_get_bios_info(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_bios_data *info = cmd->iov_buf;
+
+ memset(cmd->iov_buf, 0x0, cmd->iov_size);
+ if (cmd->iov_size != sizeof(struct mfi_bios_data)) {
+ DPRINTF_DCMD("Get BIOS info: invalid xfer_len %ld\n", cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+ info->continue_on_error = 1;
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_get_fw_time(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ uint64_t fw_time;
+
+ fw_time = megasas_fw_time();
+
+ memcpy(cmd->iov_buf, &fw_time, sizeof(fw_time));
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_set_fw_time(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ uint64_t fw_time;
+
+ memset(cmd->iov_buf, 0x0, cmd->iov_size);
+ memcpy(&fw_time, cmd->frame->dcmd.mbox, sizeof(fw_time));
+ DPRINTF("set fw time %lx\n", fw_time);
+ fw_time = megasas_fw_time();
+ memcpy(cmd->iov_buf, &fw_time, sizeof(fw_time));
+ return MFI_STAT_OK;
+}
+
+static int megasas_event_info(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_evt_log_state *info = cmd->iov_buf;
+
+ memset(info, 0, cmd->iov_size);
+ info->newest_seq_num = s->event_count;
+ info->shutdown_seq_num = s->shutdown_event;
+ info->boot_seq_num = s->boot_event;
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_pd_get_list(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_pd_list *info = cmd->iov_buf;
+ uint32_t offset, num_pd_disks = 0, max_luns;
+ uint16_t dev_id;
+
+ memset(cmd->iov_buf, 0, cmd->iov_size);
+ offset = 8;
+ if (cmd->iov_size < (offset + sizeof(struct mfi_pd_address))) {
+ DPRINTF_DCMD("PD get list: invalid xfer_len %ld\n", cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ max_luns = (cmd->iov_size - offset) / sizeof(struct mfi_pd_address);
+ if (max_luns > s->fw_luns) {
+ max_luns = s->fw_luns;
+ }
+ DPRINTF_DCMD("PD get list: returning info for %d PDs\n", max_luns);
+
+ for (dev_id = 0; dev_id < max_luns; dev_id++) {
+ SCSIDevice *sdev;
+
+ sdev = s->bus.devs[dev_id];
+ if (sdev) {
+ info->addr[num_pd_disks].device_id = dev_id;
+ info->addr[num_pd_disks].encl_device_id = dev_id;
+ info->addr[num_pd_disks].sas_addr[0] =
+ megasas_gen_sas_addr((unsigned long)sdev);
+ num_pd_disks++;
+ offset += sizeof(struct mfi_pd_address);
+ }
+ }
+ DPRINTF_DCMD("PD get list: %d PDs, size %d\n", num_pd_disks, offset);
+
+ info->size = offset;
+ info->count = num_pd_disks;
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_pd_list_query(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ uint16_t flags;
+
+ /* mbox0 contains flags */
+ flags = le16_to_cpu(cmd->frame->dcmd.mbox[0]);
+
+ DPRINTF_DCMD("PD query list: flags %x\n", flags);
+
+ if (flags == MR_PD_QUERY_TYPE_ALL || s->is_jbod) {
+ return megasas_dcmd_pd_get_list(s, cmd);
+ }
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun,
+ struct megasas_cmd_t *cmd)
+{
+ struct mfi_pd_info *info = cmd->iov_buf;
+ uint8_t cmdbuf[6];
+ SCSIRequest *req;
+ size_t len;
+
+ if (info->inquiry_data[4] == 0) {
+ /* Additional length is zero, resubmit */
+ megasas_setup_inquiry(cmdbuf, 0, info->inquiry_data,
+ sizeof(info->inquiry_data));
+ req = scsi_req_new(sdev, cmd->index, lun, cmd);
+ if (!req) {
+ DPRINTF_DCMD("PD get info submit std inquiry alloc failed\n");
+ return MFI_STAT_FLASH_ALLOC_FAIL;
+ }
+ DPRINTF_DCMD("PD get info submit std inquiry to dev %d\n", lun);
+ len = scsi_req_enqueue(req, cmdbuf);
+ if (len > 0) {
+ cmd->iov_size = len;
+ scsi_req_continue(req);
+ }
+ return MFI_STAT_INVALID_STATUS;
+ } else if (info->vpd_page83[3] == 0) {
+ /* Additional length is zero, resubmit */
+ megasas_setup_inquiry(cmdbuf, 0x83, (uint8_t *)info->vpd_page83,
+ sizeof(info->vpd_page83));
+ req = scsi_req_new(sdev, cmd->index, lun, cmd);
+ if (!req) {
+ DPRINTF_DCMD("PD get info submit vpd inquiry alloc failed\n");
+ return MFI_STAT_FLASH_ALLOC_FAIL;
+ }
+ DPRINTF_DCMD("PD get info submit vpd inquiry to dev %d\n", lun);
+ len = scsi_req_enqueue(req, cmdbuf);
+ if (len > 0) {
+ cmd->iov_size = len;
+ scsi_req_continue(req);
+ }
+ return MFI_STAT_INVALID_STATUS;
+ }
+
+ /* Finished, set FW state */
+ if (cmd->state->is_jbod) {
+ info->fw_state = MFI_PD_STATE_SYSTEM;
+ } else {
+ info->fw_state = MFI_PD_STATE_ONLINE;
+ }
+ DPRINTF_DCMD("PD get info set state for dev %d to %x\n",
+ lun, info->fw_state);
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_pd_get_info(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_pd_info *info = cmd->iov_buf;
+ uint64_t pd_size;
+ uint16_t pd_id;
+ SCSIDevice *sdev = NULL;
+ int retval = MFI_STAT_OK;
+
+ memset(cmd->iov_buf, 0, cmd->iov_size);
+ if (cmd->iov_size != sizeof(struct mfi_pd_info)) {
+ DPRINTF_DCMD("PD get info: invalid xfer_len %ld\n", cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ /* mbox0 has the ID */
+ pd_id = le16_to_cpu(cmd->frame->dcmd.mbox[0]);
+
+ DPRINTF_DCMD("PD get info for dev %d\n", pd_id);
+
+ if (pd_id >= s->fw_luns) {
+ return MFI_STAT_DEVICE_NOT_FOUND;
+ }
+
+ sdev = s->bus.devs[pd_id];
+ info->ref.v.device_id = pd_id;
+
+ if (sdev) {
+ BlockConf *conf = &sdev->conf;
+
+ info->state.ddf.v.pd_type.in_vd = 1;
+ info->state.ddf.v.pd_type.intf = 0x2;
+ bdrv_get_geometry(conf->bs, &pd_size);
+ info->raw_size = pd_size;
+ info->non_coerced_size = pd_size;
+ info->coerced_size = pd_size;
+ info->fw_state = MFI_PD_STATE_OFFLINE;
+ info->path_info.count = 1;
+ info->path_info.sas_addr[0] = megasas_gen_sas_addr((unsigned long)sdev);
+ /* Submit inquiry */
+ retval = megasas_pd_get_info_submit(cmd->sdev, pd_id, cmd);
+ }
+
+ return retval;
+}
+
+static int megasas_dcmd_ld_get_list(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_ld_list *info = cmd->iov_buf;
+ uint32_t num_ld_disks = 0, max_ld_disks = s->is_jbod ? 0 : s->fw_luns;
+ uint64_t ld_size;
+ uint8_t n;
+ int offset;
+
+ memset(cmd->iov_buf, 0, cmd->iov_size);
+ if (cmd->iov_size != sizeof(struct mfi_ld_list)) {
+ DPRINTF_DCMD("LD get list: invalid xfer_len %ld\n", cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ DPRINTF_DCMD("LD get list: returning info for %d LDs\n", max_ld_disks);
+
+ for (n = 0; n < max_ld_disks; n++) {
+ SCSIDevice *sdev;
+
+ sdev = s->bus.devs[n];
+ if (sdev) {
+ BlockConf *conf = &sdev->conf;
+
+ bdrv_get_geometry(conf->bs, &ld_size);
+ ld_size *= 512;
+ info->ld_list[num_ld_disks].ld.v.target_id = n;
+ info->ld_list[num_ld_disks].state = MFI_LD_STATE_OPTIMAL;
+ info->ld_list[num_ld_disks].size = ld_size;
+ num_ld_disks++;
+ offset += 18;
+ }
+ }
+ info->ld_count = num_ld_disks;
+ DPRINTF_DCMD("LD get list: found %d LDs\n", num_ld_disks);
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun,
+ struct megasas_cmd_t *cmd)
+{
+ struct mfi_ld_info *info = cmd->iov_buf;
+ uint8_t cdb[6];
+ SCSIRequest *req;
+ ssize_t len;
+
+ if (info->vpd_page83[3] == 0) {
+ megasas_setup_inquiry(cdb, 0x83, (uint8_t *)info->vpd_page83,
+ sizeof(info->vpd_page83));
+ req = scsi_req_new(sdev, cmd->index, lun, cmd);
+ if (!req) {
+ DPRINTF_DCMD("LD get info submit vpd inquiry alloc failed\n");
+ return MFI_STAT_FLASH_ALLOC_FAIL;
+ }
+ DPRINTF_DCMD("LD get info submit vpd inquiry to dev %d\n", lun);
+ len = scsi_req_enqueue(req, cdb);
+ if (len > 0) {
+ cmd->iov_size = len;
+ scsi_req_continue(req);
+ }
+ return MFI_STAT_INVALID_STATUS;
+ }
+ info->ld_config.params.state = MFI_LD_STATE_OPTIMAL;
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_ld_get_info(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_ld_info *info = cmd->iov_buf;
+ uint64_t ld_size;
+ uint16_t ld_id;
+ uint32_t max_ld_disks = s->is_jbod ? 0 : s->fw_luns;
+ SCSIDevice *sdev = NULL;
+ int retval = MFI_STAT_OK;
+
+ memset(cmd->iov_buf, 0, cmd->iov_size);
+ if (cmd->iov_size != sizeof(struct mfi_ld_info)) {
+ DPRINTF_DCMD("LD get info: invalid xfer_len %ld\n", cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ /* mbox0 has the ID */
+ ld_id = le16_to_cpu(cmd->frame->dcmd.mbox[0]);
+
+ DPRINTF_DCMD("LD get info for dev %d\n", ld_id);
+ if (ld_id >= max_ld_disks) {
+ return MFI_STAT_DEVICE_NOT_FOUND;
+ }
+
+ sdev = s->bus.devs[ld_id];
+ info->ld_config.properties.ld.v.target_id = ld_id;
+
+ if (sdev) {
+ BlockConf *conf = &sdev->conf;
+ info->ld_config.params.stripe_size = 3;
+ info->ld_config.params.num_drives = 1;
+ info->ld_config.params.state = MFI_LD_STATE_OFFLINE;
+ info->ld_config.params.is_consistent = 1;
+ bdrv_get_geometry(conf->bs, &ld_size);
+ info->size = ld_size;
+ retval = megasas_ld_get_info_submit(cmd->sdev, ld_id, cmd);
+ }
+
+ return retval;
+}
+
+static int megasas_dcmd_get_properties(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ struct mfi_ctrl_props *info = cmd->iov_buf;
+
+ if (cmd->iov_size != sizeof(struct mfi_ctrl_props)) {
+ DPRINTF_DCMD("DCMD get properties: invalid xfer_len %ld\n",
+ cmd->iov_size);
+ memset(cmd->iov_buf, 0, cmd->iov_size);
+ return MFI_STAT_INVALID_PARAMETER;
+ }
+
+ DPRINTF_DCMD("DCMD get properties\n");
+ info->pred_fail_poll_interval = 300;
+ info->intr_throttle_cnt = 16;
+ info->intr_throttle_timeout = 50;
+ info->rebuild_rate = 30;
+ info->patrol_read_rate = 30;
+ info->bgi_rate = 30;
+ info->cc_rate = 30;
+ info->recon_rate = 30;
+ info->cache_flush_interval = 4;
+ info->spinup_drv_cnt = 2;
+ info->spinup_delay = 6;
+ info->ecc_bucket_size = 15;
+ info->ecc_bucket_leak_rate = 1440;
+ info->expose_encl_devices = 1;
+
+ return MFI_STAT_OK;
+}
+
+static int megasas_cache_flush(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ DPRINTF_DCMD("MFI DCMD Cache flush\n");
+ qemu_aio_flush();
+ return MFI_STAT_OK;
+}
+
+static int megasas_ctrl_shutdown(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ DPRINTF_DCMD("MFI DCMD Controller shutdown\n");
+ s->fw_state = MFI_FWSTATE_READY;
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_set_properties(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ uint8_t *dummy;
+
+ DPRINTF_DCMD("DCMD set properties\n");
+ dummy = cmd->iov_buf;
+ DPRINTF_DCMD("Properties dump\n");
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x00], dummy[0x01], dummy[0x02], dummy[0x03],
+ dummy[0x04], dummy[0x05], dummy[0x06], dummy[0x07]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x08], dummy[0x09], dummy[0x0a], dummy[0x0b],
+ dummy[0x0c], dummy[0x0d], dummy[0x0e], dummy[0x0f]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x10], dummy[0x11], dummy[0x12], dummy[0x13],
+ dummy[0x14], dummy[0x15], dummy[0x16], dummy[0x17]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x18], dummy[0x19], dummy[0x1a], dummy[0x1b],
+ dummy[0x1c], dummy[0x1d], dummy[0x1e], dummy[0x1f]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x20], dummy[0x21], dummy[0x22], dummy[0x23],
+ dummy[0x24], dummy[0x25], dummy[0x26], dummy[0x27]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x28], dummy[0x29], dummy[0x2a], dummy[0x2b],
+ dummy[0x2c], dummy[0x2d], dummy[0x2e], dummy[0x2f]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x30], dummy[0x31], dummy[0x32], dummy[0x33],
+ dummy[0x34], dummy[0x35], dummy[0x36], dummy[0x37]);
+ DPRINTF_DCMD("%02x %02x %02x %0x2 %02x %02x %02x %02x\n",
+ dummy[0x38], dummy[0x39], dummy[0x3a], dummy[0x3b],
+ dummy[0x3c], dummy[0x3d], dummy[0x3e], dummy[0x3f]);
+ return MFI_STAT_OK;
+}
+
+static int megasas_dcmd_dummy(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ DPRINTF_DCMD("DCMD dummy: xfer_len %ld\n", cmd->iov_size);
+ memset(cmd->iov_buf, 0, cmd->iov_size);
+
+ return MFI_STAT_OK;
+}
+
+
+static const struct dcmd_cmd_tbl_t {
+ int opcode;
+ int (*func)(MPTState *s, struct megasas_cmd_t *cmd);
+} dcmd_cmd_tbl[] = {
+ {MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_GET_INFO, megasas_ctrl_get_info},
+ {MFI_DCMD_CTRL_GET_PROPERTIES, megasas_dcmd_get_properties},
+ {MFI_DCMD_CTRL_SET_PROPERTIES, megasas_dcmd_set_properties},
+ {MFI_DCMD_SPEAKER_GET, megasas_dcmd_dummy},
+ {MFI_DCMD_SPEAKER_ENABLE, megasas_dcmd_dummy},
+ {MFI_DCMD_SPEAKER_DISABLE, megasas_dcmd_dummy},
+ {MFI_DCMD_SPEAKER_SILENCE, megasas_dcmd_dummy},
+ {MFI_DCMD_SPEAKER_TEST, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_EVENT_GETINFO, megasas_event_info},
+ {MFI_DCMD_CTRL_EVENT_GET, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_EVENT_WAIT, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_SHUTDOWN, megasas_ctrl_shutdown},
+ {MFI_DCMD_HIBERNATE_SHUTDOWN, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_GET_TIME, megasas_dcmd_get_fw_time},
+ {MFI_DCMD_CTRL_SET_TIME, megasas_dcmd_set_fw_time},
+ {MFI_DCMD_CTRL_GET_BIOS_INFO, megasas_dcmd_get_bios_info},
+ {MFI_DCMD_CTRL_FACTORY_DEFAULTS, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_MFC_DEFAULTS_GET, megasas_mfc_get_defaults},
+ {MFI_DCMD_CTRL_MFC_DEFAULTS_SET, megasas_dcmd_dummy},
+ {MFI_DCMD_CTRL_CACHE_FLUSH, megasas_cache_flush},
+ {MFI_DCMD_PD_GET_LIST, megasas_dcmd_pd_get_list},
+ {MFI_DCMD_PD_LIST_QUERY, megasas_dcmd_pd_list_query},
+ {MFI_DCMD_PD_GET_INFO, megasas_dcmd_pd_get_info},
+ {MFI_DCMD_PD_STATE_SET, megasas_dcmd_dummy},
+ {MFI_DCMD_PD_REBUILD, megasas_dcmd_dummy},
+ {MFI_DCMD_PD_BLINK, megasas_dcmd_dummy},
+ {MFI_DCMD_PD_UNBLINK, megasas_dcmd_dummy},
+ {MFI_DCMD_LD_GET_LIST, megasas_dcmd_ld_get_list},
+ {MFI_DCMD_LD_GET_INFO, megasas_dcmd_ld_get_info},
+ {MFI_DCMD_LD_GET_PROP, megasas_dcmd_dummy},
+ {MFI_DCMD_LD_SET_PROP, megasas_dcmd_dummy},
+ {MFI_DCMD_LD_DELETE, megasas_dcmd_dummy},
+ {MFI_DCMD_CFG_READ, megasas_dcmd_dummy},
+ {MFI_DCMD_CFG_ADD, megasas_dcmd_dummy},
+ {MFI_DCMD_CFG_CLEAR, megasas_dcmd_dummy},
+ {MFI_DCMD_CFG_FOREIGN_READ, megasas_dcmd_dummy},
+ {MFI_DCMD_CFG_FOREIGN_IMPORT, megasas_dcmd_dummy},
+ {MFI_DCMD_BBU_STATUS, megasas_dcmd_dummy},
+ {MFI_DCMD_BBU_CAPACITY_INFO, megasas_dcmd_dummy},
+ {MFI_DCMD_BBU_DESIGN_INFO, megasas_dcmd_dummy},
+ {MFI_DCMD_BBU_PROP_GET, megasas_dcmd_dummy},
+ {MFI_DCMD_CLUSTER, megasas_dcmd_dummy},
+ {MFI_DCMD_CLUSTER_RESET_ALL, megasas_dcmd_dummy},
+ {MFI_DCMD_CLUSTER_RESET_LD, megasas_dcmd_dummy},
+ {-1, NULL}
+};
+
+static int megasas_handle_dcmd(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ int opcode, size = 0, len;
+ int retval = 0;
+ const struct dcmd_cmd_tbl_t *cmdptr = dcmd_cmd_tbl;
+
+ opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
+ DPRINTF_DCMD("frame %d: MFI DCMD opcode %x\n", cmd->index, opcode);
+ len = megasas_map_dcmd(cmd);
+ if (len < 0) {
+ return MFI_STAT_MEMORY_NOT_AVAILABLE;
+ }
+ while (cmdptr->opcode != -1 && cmdptr->opcode != opcode) {
+ cmdptr++;
+ }
+ if (cmdptr->opcode == -1) {
+ DPRINTF("MFI DCMD %x unhandled (len %d)\n", opcode, len);
+ retval = megasas_dcmd_dummy(s, cmd);
+ } else {
+ retval = cmdptr->func(s, cmd);
+ }
+ if (retval != MFI_STAT_INVALID_STATUS) {
+ size = megasas_finish_dcmd(cmd, cmd->iov_size);
+ DPRINTF_DCMD("MFI DCMD wrote %d bytes\n", size);
+ }
+ return retval;
+}
+
+static int megasas_finish_internal_dcmd(struct megasas_cmd_t *cmd,
+ SCSIRequest *req)
+{
+ int opcode;
+ int retval = MFI_STAT_OK;
+ int lun = req->lun;
+
+ opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
+ scsi_req_unref(req);
+ DPRINTF_DCMD("DCMD finish internal cmd %x lun %d\n", opcode, lun);
+ switch (opcode) {
+ case MFI_DCMD_PD_GET_INFO:
+ DPRINTF_DCMD("Internal DCMD PD get info\n");
+ retval = megasas_pd_get_info_submit(cmd->sdev, lun, cmd);
+ break;
+ case MFI_DCMD_LD_GET_INFO:
+ DPRINTF_DCMD("Internal DCMD LD get info\n");
+ retval = megasas_ld_get_info_submit(cmd->sdev, lun, cmd);
+ break;
+ default:
+ DPRINTF_DCMD("Invalid internal DCMD\n");
+ retval = MFI_STAT_INVALID_DCMD;
+ break;
+ }
+ if (retval != MFI_STAT_INVALID_STATUS) {
+ megasas_finish_dcmd(cmd, cmd->iov_size);
+ }
+ return retval;
+}
+
+static int megasas_handle_scsi(MPTState *s, struct megasas_cmd_t *cmd,
+ int is_logical)
+{
+ uint8_t *cdb;
+ int len;
+
+ cdb = cmd->frame->pass.cdb;
+
+ if (cmd->frame->header.target_id < s->fw_luns) {
+ cmd->sdev = s->bus.devs[cmd->frame->header.target_id];
+ }
+ cmd->iov_size = le32_to_cpu(cmd->frame->header.data_len);
+ DPRINTF_IO("%s %s dev %x lun %x sdev %p xfer %lu\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ is_logical ? "logical" : "physical",
+ cmd->frame->header.target_id, cmd->frame->header.lun_id,
+ cmd->sdev, cmd->iov_size);
+
+ if (!cmd->sdev || (s->is_jbod && is_logical)) {
+ DPRINTF_IO("%s %s dev %x/%x target not present\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ is_logical ? "logical" : "physical",
+ cmd->frame->header.target_id,
+ cmd->frame->header.lun_id);
+ return MFI_STAT_DEVICE_NOT_FOUND;
+ }
+
+ if (cmd->frame->header.cdb_len > 16) {
+ DPRINTF("%s dev %x/%x invalid cdb len %d\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ cmd->frame->header.target_id, cmd->frame->header.lun_id,
+ cmd->frame->header.cdb_len);
+ megasas_write_sense(cmd, SENSE_CODE(INVALID_OPCODE));
+ cmd->frame->header.scsi_status = CHECK_CONDITION;
+ s->event_count++;
+ return MFI_STAT_SCSI_DONE_WITH_ERROR;
+ }
+
+ cmd->iov_cnt = megasas_map_sgl(cmd, offsetof(struct mfi_pass_frame, sgl));
+
+ cmd->req = scsi_req_new(cmd->sdev, cmd->index,
+ cmd->frame->header.lun_id, cmd);
+ if (!cmd->req) {
+ DPRINTF("%s dev %x/%x req allocation failed\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ cmd->frame->header.target_id, cmd->frame->header.lun_id);
+ megasas_write_sense(cmd, SENSE_CODE(NO_SENSE));
+ cmd->frame->header.scsi_status = BUSY;
+ s->event_count++;
+ return MFI_STAT_SCSI_DONE_WITH_ERROR;
+ }
+
+ len = scsi_req_enqueue(cmd->req, cdb);
+ if (len > 0) {
+ cmd->iov_size = len;
+ cmd->iov_offset = 0;
+ DPRINTF_IO("%d bytes of data available for reading\n", len);
+ scsi_req_continue(cmd->req);
+ } else if (len < 0) {
+ DPRINTF_IO("%d bytes of data available for writing\n", -len);
+ cmd->iov_size = -len;
+ cmd->iov_offset = 0;
+ scsi_req_continue(cmd->req);
+ } else {
+ DPRINTF_IO("No data to be transferred\n");
+ }
+ return MFI_STAT_INVALID_STATUS;
+}
+
+static int megasas_handle_io(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ uint32_t lba_count, lba_start_hi, lba_start_lo;
+ uint64_t lba_start;
+ int write = cmd->frame->header.frame_cmd == MFI_CMD_LD_WRITE ? 1 : 0;
+ uint8_t cdb[16];
+ int len;
+
+ lba_count = le32_to_cpu(cmd->frame->io.header.data_len);
+ lba_start_lo = le32_to_cpu(cmd->frame->io.lba_lo);
+ lba_start_hi = le32_to_cpu(cmd->frame->io.lba_hi);
+ lba_start = ((uint64_t)lba_start_hi << 32) | lba_start_lo;
+
+ if (cmd->frame->header.target_id < s->fw_luns) {
+ cmd->sdev = s->bus.devs[cmd->frame->header.target_id];
+ }
+ cmd->iov_size = le32_to_cpu(cmd->frame->header.data_len) *
+ cmd->sdev->blocksize;
+
+ DPRINTF_IO("%s dev %x lun %x lba %lx count %lx\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ cmd->frame->header.target_id, cmd->frame->header.lun_id,
+ (unsigned long)lba_start, (unsigned long)lba_count);
+ if (!cmd->sdev) {
+ DPRINTF_IO("%s dev %x/%x LUN not present\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ cmd->frame->header.target_id, cmd->frame->header.lun_id);
+ return MFI_STAT_DEVICE_NOT_FOUND;
+ }
+
+ if (cmd->frame->header.cdb_len > 16) {
+ DPRINTF("%s dev %x/%x invalid cdb len %d\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ cmd->frame->header.target_id, cmd->frame->header.lun_id,
+ cmd->frame->header.cdb_len);
+ megasas_write_sense(cmd, SENSE_CODE(INVALID_OPCODE));
+ cmd->frame->header.scsi_status = CHECK_CONDITION;
+ s->event_count++;
+ return MFI_STAT_SCSI_DONE_WITH_ERROR;
+ }
+
+ cmd->iov_cnt = megasas_map_sgl(cmd, offsetof(struct mfi_io_frame, sgl));
+ cmd->req = scsi_req_new(cmd->sdev, cmd->index,
+ cmd->frame->header.lun_id, cmd);
+ if (!cmd->req) {
+ DPRINTF("%s dev %x/%x req allocation failed\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd],
+ cmd->frame->header.target_id, cmd->frame->header.lun_id);
+ megasas_write_sense(cmd, SENSE_CODE(NO_SENSE));
+ cmd->frame->header.scsi_status = BUSY;
+ s->event_count++;
+ return MFI_STAT_SCSI_DONE_WITH_ERROR;
+ }
+
+ megasas_encode_lba(cdb, lba_start, lba_count, write);
+ len = scsi_req_enqueue(cmd->req, cdb);
+ if (len > 0) {
+ cmd->iov_size = len;
+ cmd->iov_offset = 0;
+ scsi_req_continue(cmd->req);
+ } else if (len < 0) {
+ cmd->iov_size = -len;
+ scsi_req_continue(cmd->req);
+ }
+ return MFI_STAT_INVALID_STATUS;
+}
+
+static int megasas_finish_internal_command(struct megasas_cmd_t *cmd,
+ SCSIRequest *req)
+{
+ int retval = MFI_STAT_INVALID_CMD;
+
+ if (cmd->frame->header.frame_cmd == MFI_CMD_DCMD) {
+ retval = megasas_finish_internal_dcmd(cmd, req);
+ }
+ return retval;
+}
+
+static void megasas_xfer_complete(SCSIRequest *req, uint32_t len)
+{
+ struct megasas_cmd_t *cmd = req->hba_private;
+ uint8_t *buf;
+
+ DPRINTF_IO("%s req %p cmd %p lun %p xfer completed, len %u\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd], req, cmd,
+ cmd->sdev, len);
+
+ if (len) {
+ uint16_t flags = le16_to_cpu(cmd->frame->header.flags);
+ int is_write = (flags & MFI_FRAME_DIR_WRITE) ? 1 : 0;
+ size_t bytes;
+
+ buf = scsi_req_get_buf(req);
+ if (is_write) {
+ DPRINTF_IO("%s req %p cmd %p lun %p write finished, left %u\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd], req,
+ cmd, cmd->sdev, len);
+ bytes = iov_to_buf(cmd->iov, cmd->iov_cnt, buf,
+ cmd->iov_offset, len);
+ if (bytes != len) {
+ len = bytes;
+ }
+ cmd->iov_offset += bytes;
+ } else {
+ DPRINTF_IO("%s req %p cmd %p lun %p read finished, len %u\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd], req,
+ cmd, cmd->sdev, len);
+ bytes = iov_from_buf(cmd->iov, cmd->iov_cnt, buf,
+ cmd->iov_offset, len);
+ if (bytes != len) {
+ len = bytes;
+ }
+ cmd->iov_offset += bytes;
+ }
+ }
+ cmd->iov_size -= len;
+ scsi_req_continue(req);
+}
+
+static void megasas_command_complete(SCSIRequest *req, uint32_t status)
+{
+ struct megasas_cmd_t *cmd = req->hba_private;
+ uint8_t cmd_status = MFI_STAT_OK;
+
+ DPRINTF_IO("%s req %p cmd %p lun %p command completed, status %u\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd], req, cmd,
+ cmd->sdev, status);
+
+ if (cmd->req != req) {
+ /*
+ * Internal command complete
+ */
+ cmd_status = megasas_finish_internal_command(cmd, req);
+ if (cmd_status == MFI_STAT_INVALID_STATUS) {
+ return;
+ }
+ } else {
+ req->status = status;
+ DPRINTF_IO("%s req %p cmd %p lun %p finished with status %x len %u\n",
+ mfi_frame_desc[cmd->frame->header.frame_cmd], req, cmd,
+ cmd->sdev, req->status,
+ (unsigned)(req->cmd.xfer - cmd->iov_size));
+ if (req->status != GOOD) {
+ cmd_status = MFI_STAT_SCSI_DONE_WITH_ERROR;
+ }
+ if (req->status == CHECK_CONDITION) {
+ megasas_copy_sense(cmd);
+ }
+
+ megasas_unmap_sgl(cmd);
+ cmd->frame->header.scsi_status = req->status;
+ scsi_req_unref(cmd->req);
+ cmd->req = NULL;
+ }
+ cmd->frame->header.cmd_status = cmd_status;
+ megasas_dequeue_frame(cmd->state, cmd->context);
+}
+
+static void megasas_command_cancel(SCSIRequest *req)
+{
+ struct megasas_cmd_t *cmd = req->hba_private;
+
+ if (cmd) {
+ megasas_abort_command(cmd);
+ } else {
+ scsi_req_unref(req);
+ }
+ return;
+}
+
+static int megasas_handle_abort(MPTState *s, struct megasas_cmd_t *cmd)
+{
+ uint32_t abort_ctx = le32_to_cpu(cmd->frame->abort.abort_context);
+ target_phys_addr_t abort_addr, addr_hi, addr_lo;
+ struct megasas_cmd_t *abort_cmd;
+
+ addr_hi = le32_to_cpu(cmd->frame->abort.abort_mfi_addr_hi);
+ addr_lo = le32_to_cpu(cmd->frame->abort.abort_mfi_addr_lo);
+ abort_addr = ((uint64_t)addr_hi << 32) | addr_lo;
+
+ abort_cmd = megasas_lookup_frame(s, abort_addr);
+ if (!abort_cmd) {
+ DPRINTF("No active command for frame context %x\n", abort_ctx);
+ s->event_count++;
+ return MFI_STAT_OK;
+ }
+ if (abort_cmd->context != abort_ctx) {
+ DPRINTF("abort frame %x: invalid context %x\n", abort_cmd->index,
+ abort_cmd->context);
+ s->event_count++;
+ return MFI_STAT_ABORT_NOT_POSSIBLE;
+ }
+ DPRINTF("aborting frame %x\n", abort_cmd->index);
+ megasas_dump_frame(abort_cmd);
+ megasas_abort_command(abort_cmd);
+ s->event_count++;
+ return MFI_STAT_OK;
+}
+
+static void megasas_handle_frame(MPTState *s, target_phys_addr_t frame_addr,
+ uint32_t frame_count)
+{
+ uint8_t frame_cmd;
+ uint8_t frame_status = MFI_STAT_INVALID_CMD;
+ uint32_t frame_context;
+ struct megasas_cmd_t *cmd;
+
+ frame_cmd = megasas_frame_get_cmd(frame_addr);
+ frame_context = megasas_frame_get_context(frame_addr);
+
+ DPRINTF_MFI("MFI cmd %x context %x count %d\n",
+ frame_cmd, frame_context, frame_count);
+
+ cmd = megasas_enqueue_frame(s, frame_addr, frame_count);
+ if (!cmd) {
+ /* reply queue full */
+ megasas_frame_set_scsi_status(frame_addr, BUSY);
+ megasas_frame_set_cmd_status(frame_addr, MFI_STAT_SCSI_DONE_WITH_ERROR);
+ megasas_dequeue_frame(s, frame_context);
+ s->event_count++;
+ return;
+ }
+ switch (cmd->frame->header.frame_cmd) {
+ case MFI_CMD_INIT:
+ megasas_init_firmware(s, cmd);
+ frame_status = MFI_STAT_OK;
+ break;
+ case MFI_CMD_DCMD:
+ frame_status = megasas_handle_dcmd(s, cmd);
+ break;
+ case MFI_CMD_ABORT:
+ frame_status = megasas_handle_abort(s, cmd);
+ break;
+ case MFI_CMD_PD_SCSI_IO:
+ frame_status = megasas_handle_scsi(s, cmd, 0);
+ break;
+ case MFI_CMD_LD_SCSI_IO:
+ frame_status = megasas_handle_scsi(s, cmd, 1);
+ break;
+ case MFI_CMD_LD_READ:
+ case MFI_CMD_LD_WRITE:
+ frame_status = megasas_handle_io(s, cmd);
+ break;
+ default:
+ DPRINTF("Unhandled MFI cmd %x\n", cmd->frame->header.frame_cmd);
+ s->event_count++;
+ break;
+ }
+ if (frame_status != MFI_STAT_INVALID_STATUS) {
+ cmd->frame->header.cmd_status = frame_status;
+ megasas_dequeue_frame(s, cmd->context);
+ }
+}
+
+static uint32_t megasas_mmio_readb(void *opaque, target_phys_addr_t addr)
+{
+ DPRINTF_REG("readb mmio 0x%lx\n", (unsigned long)addr);
+ return 0;
+}
+
+static uint32_t megasas_mmio_readw(void *opaque, target_phys_addr_t addr)
+{
+ DPRINTF_REG("readw mmio 0x%lx\n", (unsigned long)addr);
+ return 0;
+}
+
+static uint32_t megasas_mmio_readl(void *opaque, target_phys_addr_t addr)
+{
+ MPTState *s = opaque;
+
+ DPRINTF_REG("readl mmio 0x%lx\n", (unsigned long)addr);
+ switch (addr) {
+ case MFI_IDB:
+ return 0;
+ case MFI_OMSG0:
+ case MFI_OSP0:
+ return (s->fw_state & MFI_FWSTATE_MASK) |
+ ((s->fw_sge & 0xff) << 16) |
+ (s->fw_cmds & 0xFFFF);
+ case MFI_OSTS:
+ if (MEGASAS_INTR_ENABLED(s) && s->doorbell) {
+ return MFI_1078_RM | s->doorbell;
+ }
+ break;
+ case MFI_OMSK:
+ return s->intr_mask;
+ case MFI_ODCR0:
+ return s->doorbell;
+ default:
+ BADF("readb 0x%lx\n", (unsigned long)addr);
+ break;
+ }
+ return 0;
+}
+
+static void megasas_mmio_writeb(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+ DPRINTF_REG("writeb mmio %lx: %x\n", (unsigned long)addr, val);
+}
+
+static void megasas_mmio_writew(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+ DPRINTF_REG("writew mmio %lx: %x\n", (unsigned long)addr, val);
+}
+
+static void megasas_mmio_writel(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+ MPTState *s = opaque;
+ target_phys_addr_t frame_addr;
+ uint32_t frame_count;
+ int i;
+
+ DPRINTF_REG("writel mmio %lx: %x\n", (unsigned long)addr, val);
+
+ switch (addr) {
+ case MFI_IDB:
+ if (val & MFI_FWINIT_ABORT) {
+ /* Abort all pending cmds */
+ for (i = 0; i <= s->fw_cmds; i++) {
+ megasas_abort_command(&s->frames[i]);
+ }
+ }
+ if (val & MFI_FWINIT_READY) {
+ /* move to FW READY */
+ megasas_soft_reset(s);
+ }
+ if (val & MFI_FWINIT_MFIMODE) {
+ /* discard MFIs */
+ }
+ break;
+ case MFI_OMSK:
+ s->intr_mask = val;
+ if (!MEGASAS_INTR_ENABLED(s)) {
+ qemu_irq_lower(s->dev.irq[0]);
+ }
+ break;
+ case MFI_ODCR0:
+ /* Update reply queue pointer */
+ DPRINTF_QUEUE("Update reply queue head %x busy %d\n",
+ s->reply_queue_index, s->busy);
+ stl_phys(s->producer_pa, s->reply_queue_index);
+ s->doorbell = 0;
+ qemu_irq_lower(s->dev.irq[0]);
+ break;
+ case MFI_IQPH:
+ s->frame_hi = val;
+ break;
+ case MFI_IQPL:
+ case MFI_IQP:
+ /* Received MFI frame address */
+ frame_addr = (val & ~0xFF);
+ /* Add possible 64 bit offset */
+ frame_addr |= (uint64_t)s->frame_hi;
+ s->frame_hi = 0;
+ frame_count = (val >> 1) & 0x7F;
+ DPRINTF_MFI("Received frame addr %lx count %d\n",
+ (unsigned long)frame_addr, frame_count);
+ megasas_handle_frame(s, frame_addr, frame_count);
+ break;
+ default:
+ BADF("writel 0x%lx: %x\n", (unsigned long)addr, val);
+ break;
+ }
+}
+
+static CPUReadMemoryFunc * const megasas_mmio_readfn[3] = {
+ megasas_mmio_readb,
+ megasas_mmio_readw,
+ megasas_mmio_readl,
+};
+
+static CPUWriteMemoryFunc * const megasas_mmio_writefn[3] = {
+ megasas_mmio_writeb,
+ megasas_mmio_writew,
+ megasas_mmio_writel,
+};
+
+static uint32_t megasas_io_readb(void *opaque, uint32_t addr)
+{
+ DPRINTF_REG("readb reg 0x%lx\n", (unsigned long)addr);
+ return 0;
+}
+
+static uint32_t megasas_io_readw(void *opaque, uint32_t addr)
+{
+ DPRINTF_REG("readw reg 0x%lx\n", (unsigned long)addr);
+ return 0;
+}
+
+static uint32_t megasas_io_readl(void *opaque, uint32_t addr)
+{
+ DPRINTF_REG("readl reg 0x%lx\n", (unsigned long)addr);
+ return megasas_mmio_readl(opaque, addr & 0xff);
+}
+
+static void megasas_io_writeb(void *opaque, uint32_t addr, uint32_t val)
+{
+ DPRINTF_REG("writeb reg 0x%lx: %x\n", (unsigned long)addr, val);
+}
+
+static void megasas_io_writew(void *opaque, uint32_t addr, uint32_t val)
+{
+ DPRINTF_REG("writew reg 0x%lx: %x\n", (unsigned long)addr, val);
+}
+
+static void megasas_io_writel(void *opaque, uint32_t addr, uint32_t val)
+{
+ DPRINTF_REG("writel reg 0x%lx: %x\n", (unsigned long)addr, val);
+ megasas_mmio_writel(opaque, addr & 0xff, val);
+}
+
+static CPUReadMemoryFunc * const megasas_io_readfn[3] = {
+ megasas_mmio_readb,
+ megasas_mmio_readw,
+ megasas_mmio_readl,
+};
+
+static CPUWriteMemoryFunc * const megasas_io_writefn[3] = {
+ megasas_mmio_writeb,
+ megasas_mmio_writew,
+ megasas_mmio_writel,
+};
+
+static uint32_t megasas_queue_readl(void *opaque, target_phys_addr_t addr)
+{
+ DPRINTF_REG("readl queue 0x%lx\n", (unsigned long)addr);
+ return 0;
+}
+
+static void megasas_queue_writel(void *opaque, target_phys_addr_t addr,
+ uint32_t val)
+{
+ DPRINTF_REG("writel queue %lx: %x\n", (unsigned long)addr, val);
+}
+
+static CPUReadMemoryFunc * const megasas_queue_readfn[3] = {
+ NULL,
+ NULL,
+ megasas_queue_readl,
+};
+
+static CPUWriteMemoryFunc * const megasas_queue_writefn[3] = {
+ NULL,
+ NULL,
+ megasas_queue_writel,
+};
+
+static void megasas_soft_reset(MPTState *s)
+{
+ int i;
+ struct megasas_cmd_t *cmd;
+
+ DPRINTF("Reset\n");
+ for (i = 0; i <= s->fw_cmds; i++) {
+ cmd = &s->frames[i];
+ megasas_abort_command(cmd);
+ if (cmd->frame) {
+ cpu_physical_memory_unmap(cmd->frame, cmd->pa_size, 0, 0);
+ cmd->frame = NULL;
+ cmd->pa = 0;
+ }
+ }
+ s->reply_queue_len = 0;
+ s->reply_queue_pa = 0;
+ s->consumer_pa = 0;
+ s->producer_pa = 0;
+ s->fw_state = MFI_FWSTATE_READY;
+ s->doorbell = 0;
+ s->intr_mask = MEGASAS_INTR_DISABLED_MASK;
+ s->frame_hi = 0;
+ s->event_count++;
+ s->boot_event = s->event_count;
+}
+
+static void megasas_mmio_mapfunc(PCIDevice *pci_dev, int region_num,
+ pcibus_t addr, pcibus_t size, int type)
+{
+ MPTState *s = DO_UPCAST(MPTState, dev, pci_dev);
+
+ DPRINTF_REG("Mapping MMIO region %d at %08lx\n", region_num,
+ (unsigned long)addr);
+ cpu_register_physical_memory(addr, size, s->mmio_io_addr);
+ s->event_count++;
+}
+
+static void megasas_io_mapfunc(PCIDevice *pci_dev, int region_num,
+ pcibus_t addr, pcibus_t size, int type)
+{
+ MPTState *s = DO_UPCAST(MPTState, dev, pci_dev);
+
+ DPRINTF_REG("Mapping IO region %d at %08lx\n", region_num,
+ (unsigned long)addr);
+ register_ioport_write(addr, size, 1, megasas_io_writeb, s);
+ register_ioport_write(addr, size, 2, megasas_io_writew, s);
+ register_ioport_write(addr, size, 4, megasas_io_writel, s);
+ register_ioport_read(addr, size, 1, megasas_io_readb, s);
+ register_ioport_read(addr, size, 2, megasas_io_readw, s);
+ register_ioport_read(addr, size, 4, megasas_io_readl, s);
+ s->event_count++;
+}
+
+static void megasas_queue_mapfunc(PCIDevice *pci_dev, int region_num,
+ pcibus_t addr, pcibus_t size, int type)
+{
+ MPTState *s = DO_UPCAST(MPTState, dev, pci_dev);
+
+ DPRINTF_REG("Mapping QUEUE region %d at %08lx\n", region_num,
+ (unsigned long)addr);
+ cpu_register_physical_memory(addr, size, s->queue_addr);
+ s->event_count++;
+}
+
+static void megasas_scsi_reset(DeviceState *dev)
+{
+ MPTState *s = DO_UPCAST(MPTState, dev.qdev, dev);
+
+ megasas_soft_reset(s);
+}
+
+static const VMStateDescription vmstate_megasas = {
+ .name = "megasas",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .fields = (VMStateField[]) {
+ VMSTATE_PCI_DEVICE(dev, MPTState),
+
+ VMSTATE_INT32(fw_state, MPTState),
+ VMSTATE_INT32(intr_mask, MPTState),
+ VMSTATE_INT32(doorbell, MPTState),
+ VMSTATE_UINT64(reply_queue_pa, MPTState),
+ VMSTATE_UINT64(consumer_pa, MPTState),
+ VMSTATE_UINT64(producer_pa, MPTState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static int megasas_scsi_uninit(PCIDevice *d)
+{
+ MPTState *s = DO_UPCAST(MPTState, dev, d);
+
+ cpu_unregister_io_memory(s->mmio_io_addr);
+
+ return 0;
+}
+
+static const struct SCSIBusOps megasas_scsi_ops = {
+ .transfer_data = megasas_xfer_complete,
+ .complete = megasas_command_complete,
+ .cancel = megasas_command_cancel,
+};
+
+static int megasas_scsi_init(PCIDevice *dev)
+{
+ MPTState *s = DO_UPCAST(MPTState, dev, dev);
+ uint8_t *pci_conf;
+ int i;
+
+ pci_conf = s->dev.config;
+
+ /* PCI Vendor ID (word) */
+ pci_config_set_vendor_id(pci_conf, PCI_VENDOR_ID_LSI_LOGIC);
+ /* PCI device ID (word) */
+ pci_config_set_device_id(pci_conf, PCI_DEVICE_ID_LSI_SAS1078);
+ /* PCI subsystem ID */
+ pci_set_word(&pci_conf[PCI_SUBSYSTEM_VENDOR_ID], 0x1000);
+ pci_set_word(&pci_conf[PCI_SUBSYSTEM_ID], 0x1013);
+ /* PCI base class code */
+ pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_RAID);
+
+ /* PCI latency timer = 0 */
+ pci_conf[0x0d] = 0;
+ /* Interrupt pin 1 */
+ pci_conf[0x3d] = 0x01;
+
+ s->mmio_io_addr = cpu_register_io_memory(megasas_mmio_readfn,
+ megasas_mmio_writefn, s,
+ DEVICE_NATIVE_ENDIAN);
+ s->io_addr = cpu_register_io_memory(megasas_io_readfn,
+ megasas_io_writefn, s,
+ DEVICE_NATIVE_ENDIAN);
+ s->queue_addr = cpu_register_io_memory(megasas_queue_readfn,
+ megasas_queue_writefn, s,
+ DEVICE_NATIVE_ENDIAN);
+ pci_register_bar((struct PCIDevice *)s, 0, 0x40000,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, megasas_mmio_mapfunc);
+ pci_register_bar((struct PCIDevice *)s, 2, 256,
+ PCI_BASE_ADDRESS_SPACE_IO, megasas_io_mapfunc);
+ pci_register_bar((struct PCIDevice *)s, 3, 0x40000,
+ PCI_BASE_ADDRESS_SPACE_MEMORY, megasas_queue_mapfunc);
+ if (s->fw_sge >= MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE) {
+ s->fw_sge = MEGASAS_MAX_SGE - MFI_PASS_FRAME_SIZE;
+ } else if (s->fw_sge >= 128 - MFI_PASS_FRAME_SIZE) {
+ s->fw_sge = 128 - MFI_PASS_FRAME_SIZE;
+ } else {
+ s->fw_sge = 64 - MFI_PASS_FRAME_SIZE;
+ }
+ if (s->fw_cmds > MEGASAS_MAX_FRAMES) {
+ s->fw_cmds = MEGASAS_MAX_FRAMES;
+ }
+ if (s->raid_mode_str) {
+ if (!strcmp(s->raid_mode_str, "jbod")) {
+ s->is_jbod = 1;
+ } else {
+ s->is_jbod = 0;
+ }
+ }
+ DPRINTF("Using %d sges, %d cmds, %s mode\n",
+ s->fw_sge, s->fw_cmds, s->is_jbod ? "jbod" : "raid");
+ s->fw_luns = (MFI_MAX_LD > MAX_SCSI_DEVS) ?
+ MAX_SCSI_DEVS : MFI_MAX_LD;
+ s->producer_pa = 0;
+ s->consumer_pa = 0;
+ for (i = 0; i < s->fw_cmds; i++) {
+ s->frames[i].index = i;
+ s->frames[i].context = -1;
+ s->frames[i].pa = 0;
+ s->frames[i].state = s;
+ }
+
+ scsi_bus_new(&s->bus, &dev->qdev, 1, s->fw_luns, &megasas_scsi_ops);
+ scsi_bus_legacy_handle_cmdline(&s->bus);
+ return 0;
+}
+
+static PCIDeviceInfo megasas_info = {
+ .qdev.name = "LSI MegaRAID SAS 1078",
+ .qdev.alias = "megasas",
+ .qdev.size = sizeof(MPTState),
+ .qdev.reset = megasas_scsi_reset,
+ .qdev.vmsd = &vmstate_megasas,
+ .init = megasas_scsi_init,
+ .exit = megasas_scsi_uninit,
+ .qdev.props = (Property[]) {
+ DEFINE_PROP_UINT32("max_sge", MPTState, fw_sge,
+ MEGASAS_DEFAULT_SGE),
+ DEFINE_PROP_UINT32("max_cmds", MPTState, fw_cmds,
+ MEGASAS_DEFAULT_FRAMES),
+ DEFINE_PROP_STRING("mode", MPTState, raid_mode_str),
+ DEFINE_PROP_END_OF_LIST(),
+ },
+};
+
+static void megaraid1078_register_devices(void)
+{
+ pci_qdev_register(&megasas_info);
+}
+
+device_init(megaraid1078_register_devices);
diff --git a/hw/mfi.h b/hw/mfi.h
new file mode 100644
index 0000000..a1ada0f
--- /dev/null
+++ b/hw/mfi.h
@@ -0,0 +1,1197 @@
+/*-
+ * Copyright (c) 2006 IronPort Systems
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*-
+ * Copyright (c) 2007 LSI Corp.
+ * Copyright (c) 2007 Rajesh Prabhakaran.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _MFI_H
+#define _MFI_H
+
+/*
+ * MegaRAID SAS MFI firmware definitions
+ *
+ * Calling this driver 'MegaRAID SAS' is a bit misleading. It's a completely
+ * new firmware interface from the old AMI MegaRAID one, and there is no
+ * reason why this interface should be limited to just SAS. In any case, LSI
+ * seems to also call this interface 'MFI', so that will be used here.
+ */
+
+/*
+ * Start with the register set. All registers are 32 bits wide.
+ * The usual Intel IOP style setup.
+ */
+#define MFI_IMSG0 0x10 /* Inbound message 0 */
+#define MFI_IMSG1 0x14 /* Inbound message 1 */
+#define MFI_OMSG0 0x18 /* Outbound message 0 */
+#define MFI_OMSG1 0x1c /* Outbound message 1 */
+#define MFI_IDB 0x20 /* Inbound doorbell */
+#define MFI_ISTS 0x24 /* Inbound interrupt status */
+#define MFI_IMSK 0x28 /* Inbound interrupt mask */
+#define MFI_ODB 0x2c /* Outbound doorbell */
+#define MFI_OSTS 0x30 /* Outbound interrupt status */
+#define MFI_OMSK 0x34 /* Outbound interrupt mask */
+#define MFI_IQP 0x40 /* Inbound queue port */
+#define MFI_OQP 0x44 /* Outbound queue port */
+
+/*
+ * 1078 specific related register
+ */
+#define MFI_ODR0 0x9c /* outbound doorbell register0 */
+#define MFI_ODCR0 0xa0 /* outbound doorbell clear register0 */
+#define MFI_OSP0 0xb0 /* outbound scratch pad0 */
+#define MFI_IQPL 0xc0 /* Inbound queue port (low bytes) */
+#define MFI_IQPH 0xc4 /* Inbound queue port (high bytes) */
+#define MFI_1078_EIM 0x80000004 /* 1078 enable intrrupt mask */
+#define MFI_RMI 0x2 /* reply message interrupt */
+#define MFI_1078_RM 0x80000000 /* reply 1078 message interrupt */
+#define MFI_ODC 0x4 /* outbound doorbell change interrupt */
+
+/*
+ * gen2 specific changes
+ */
+#define MFI_GEN2_EIM 0x00000005 /* gen2 enable interrupt mask */
+#define MFI_GEN2_RM 0x00000001 /* reply gen2 message interrupt */
+
+/*
+ * skinny specific changes
+ */
+#define MFI_SKINNY_IDB 0x00 /* Inbound doorbell is at 0x00 for skinny */
+#define MFI_SKINNY_RM 0x00000001 /* reply skinny message interrupt */
+
+/* Bits for MFI_OSTS */
+#define MFI_OSTS_INTR_VALID 0x00000002
+
+/*
+ * Firmware state values. Found in OMSG0 during initialization.
+ */
+#define MFI_FWSTATE_MASK 0xf0000000
+#define MFI_FWSTATE_UNDEFINED 0x00000000
+#define MFI_FWSTATE_BB_INIT 0x10000000
+#define MFI_FWSTATE_FW_INIT 0x40000000
+#define MFI_FWSTATE_WAIT_HANDSHAKE 0x60000000
+#define MFI_FWSTATE_FW_INIT_2 0x70000000
+#define MFI_FWSTATE_DEVICE_SCAN 0x80000000
+#define MFI_FWSTATE_BOOT_MSG_PENDING 0x90000000
+#define MFI_FWSTATE_FLUSH_CACHE 0xa0000000
+#define MFI_FWSTATE_READY 0xb0000000
+#define MFI_FWSTATE_OPERATIONAL 0xc0000000
+#define MFI_FWSTATE_FAULT 0xf0000000
+#define MFI_FWSTATE_MAXSGL_MASK 0x00ff0000
+#define MFI_FWSTATE_MAXCMD_MASK 0x0000ffff
+#define MFI_FWSTATE_HOSTMEMREQD_MASK 0x08000000
+
+/*
+ * Control bits to drive the card to ready state. These go into the IDB
+ * register.
+ */
+#define MFI_FWINIT_ABORT 0x00000001 /* Abort all pending commands */
+#define MFI_FWINIT_READY 0x00000002 /* Move from operational to ready */
+#define MFI_FWINIT_MFIMODE 0x00000004 /* unknown */
+#define MFI_FWINIT_CLEAR_HANDSHAKE 0x00000008 /* Respond to WAIT_HANDSHAKE */
+#define MFI_FWINIT_HOTPLUG 0x00000010
+#define MFI_FWINIT_STOP_ADP 0x00000020 /* Move to operational, stop */
+
+/* MFI Commands */
+typedef enum {
+ MFI_CMD_INIT = 0x00,
+ MFI_CMD_LD_READ,
+ MFI_CMD_LD_WRITE,
+ MFI_CMD_LD_SCSI_IO,
+ MFI_CMD_PD_SCSI_IO,
+ MFI_CMD_DCMD,
+ MFI_CMD_ABORT,
+ MFI_CMD_SMP,
+ MFI_CMD_STP
+} mfi_cmd_t ;
+
+/* Direct commands */
+typedef enum {
+ MFI_DCMD_CTRL_MFI_HOST_MEM_ALLOC = 0x0100e100,
+ MFI_DCMD_CTRL_GET_INFO = 0x01010000,
+ MFI_DCMD_CTRL_GET_PROPERTIES = 0x01020100,
+ MFI_DCMD_CTRL_SET_PROPERTIES = 0x01020200,
+ MFI_DCMD_SPEAKER_GET = 0x01030100,
+ MFI_DCMD_SPEAKER_ENABLE = 0x01030200,
+ MFI_DCMD_SPEAKER_DISABLE = 0x01030300,
+ MFI_DCMD_SPEAKER_SILENCE = 0x01030400,
+ MFI_DCMD_SPEAKER_TEST = 0x01030500,
+ MFI_DCMD_CTRL_EVENT_GETINFO = 0x01040100,
+ MFI_DCMD_CTRL_EVENT_GET = 0x01040300,
+ MFI_DCMD_CTRL_EVENT_WAIT = 0x01040500,
+ MFI_DCMD_CTRL_SHUTDOWN = 0x01050000,
+ MFI_DCMD_HIBERNATE_SHUTDOWN = 0x01060000,
+ MFI_DCMD_CTRL_GET_TIME = 0x01080101,
+ MFI_DCMD_CTRL_SET_TIME = 0x01080102,
+ MFI_DCMD_CTRL_GET_BIOS_INFO = 0x010c0100,
+ MFI_DCMD_CTRL_FACTORY_DEFAULTS = 0x010d0000,
+ MFI_DCMD_CTRL_MFC_DEFAULTS_GET = 0x010e0201,
+ MFI_DCMD_CTRL_MFC_DEFAULTS_SET = 0x010e0202,
+ MFI_DCMD_CTRL_CACHE_FLUSH = 0x01101000,
+ MFI_DCMD_PD_GET_LIST = 0x02010000,
+ MFI_DCMD_PD_LIST_QUERY = 0x02010100,
+ MFI_DCMD_PD_GET_INFO = 0x02020000,
+ MFI_DCMD_PD_STATE_SET = 0x02030100,
+ MFI_DCMD_PD_REBUILD = 0x02040100,
+ MFI_DCMD_PD_BLINK = 0x02070100,
+ MFI_DCMD_PD_UNBLINK = 0x02070200,
+ MFI_DCMD_LD_GET_LIST = 0x03010000,
+ MFI_DCMD_LD_GET_INFO = 0x03020000,
+ MFI_DCMD_LD_GET_PROP = 0x03030000,
+ MFI_DCMD_LD_SET_PROP = 0x03040000,
+ MFI_DCMD_LD_DELETE = 0x03090000,
+ MFI_DCMD_CFG_READ = 0x04010000,
+ MFI_DCMD_CFG_ADD = 0x04020000,
+ MFI_DCMD_CFG_CLEAR = 0x04030000,
+ MFI_DCMD_CFG_FOREIGN_READ = 0x04060100,
+ MFI_DCMD_CFG_FOREIGN_IMPORT = 0x04060400,
+ MFI_DCMD_BBU_STATUS = 0x05010000,
+ MFI_DCMD_BBU_CAPACITY_INFO = 0x05020000,
+ MFI_DCMD_BBU_DESIGN_INFO = 0x05030000,
+ MFI_DCMD_BBU_PROP_GET = 0x05050100,
+ MFI_DCMD_CLUSTER = 0x08000000,
+ MFI_DCMD_CLUSTER_RESET_ALL = 0x08010100,
+ MFI_DCMD_CLUSTER_RESET_LD = 0x08010200
+} mfi_dcmd_t ;
+
+/* Modifiers for MFI_DCMD_CTRL_FLUSHCACHE */
+#define MFI_FLUSHCACHE_CTRL 0x01
+#define MFI_FLUSHCACHE_DISK 0x02
+
+/* Modifiers for MFI_DCMD_CTRL_SHUTDOWN */
+#define MFI_SHUTDOWN_SPINDOWN 0x01
+
+/*
+ * MFI Frame flags
+ */
+typedef enum {
+ MFI_FRAME_DONT_POST_IN_REPLY_QUEUE = 0x0001,
+ MFI_FRAME_SGL64 = 0x0002,
+ MFI_FRAME_SENSE64 = 0x0004,
+ MFI_FRAME_DIR_WRITE = 0x0008,
+ MFI_FRAME_DIR_READ = 0x0010,
+ MFI_FRAME_IEEE_SGL = 0x0020,
+} mfi_frame_flags;
+
+/* MFI Status codes */
+typedef enum {
+ MFI_STAT_OK = 0x00,
+ MFI_STAT_INVALID_CMD,
+ MFI_STAT_INVALID_DCMD,
+ MFI_STAT_INVALID_PARAMETER,
+ MFI_STAT_INVALID_SEQUENCE_NUMBER,
+ MFI_STAT_ABORT_NOT_POSSIBLE,
+ MFI_STAT_APP_HOST_CODE_NOT_FOUND,
+ MFI_STAT_APP_IN_USE,
+ MFI_STAT_APP_NOT_INITIALIZED,
+ MFI_STAT_ARRAY_INDEX_INVALID,
+ MFI_STAT_ARRAY_ROW_NOT_EMPTY,
+ MFI_STAT_CONFIG_RESOURCE_CONFLICT,
+ MFI_STAT_DEVICE_NOT_FOUND,
+ MFI_STAT_DRIVE_TOO_SMALL,
+ MFI_STAT_FLASH_ALLOC_FAIL,
+ MFI_STAT_FLASH_BUSY,
+ MFI_STAT_FLASH_ERROR = 0x10,
+ MFI_STAT_FLASH_IMAGE_BAD,
+ MFI_STAT_FLASH_IMAGE_INCOMPLETE,
+ MFI_STAT_FLASH_NOT_OPEN,
+ MFI_STAT_FLASH_NOT_STARTED,
+ MFI_STAT_FLUSH_FAILED,
+ MFI_STAT_HOST_CODE_NOT_FOUNT,
+ MFI_STAT_LD_CC_IN_PROGRESS,
+ MFI_STAT_LD_INIT_IN_PROGRESS,
+ MFI_STAT_LD_LBA_OUT_OF_RANGE,
+ MFI_STAT_LD_MAX_CONFIGURED,
+ MFI_STAT_LD_NOT_OPTIMAL,
+ MFI_STAT_LD_RBLD_IN_PROGRESS,
+ MFI_STAT_LD_RECON_IN_PROGRESS,
+ MFI_STAT_LD_WRONG_RAID_LEVEL,
+ MFI_STAT_MAX_SPARES_EXCEEDED,
+ MFI_STAT_MEMORY_NOT_AVAILABLE = 0x20,
+ MFI_STAT_MFC_HW_ERROR,
+ MFI_STAT_NO_HW_PRESENT,
+ MFI_STAT_NOT_FOUND,
+ MFI_STAT_NOT_IN_ENCL,
+ MFI_STAT_PD_CLEAR_IN_PROGRESS,
+ MFI_STAT_PD_TYPE_WRONG,
+ MFI_STAT_PR_DISABLED,
+ MFI_STAT_ROW_INDEX_INVALID,
+ MFI_STAT_SAS_CONFIG_INVALID_ACTION,
+ MFI_STAT_SAS_CONFIG_INVALID_DATA,
+ MFI_STAT_SAS_CONFIG_INVALID_PAGE,
+ MFI_STAT_SAS_CONFIG_INVALID_TYPE,
+ MFI_STAT_SCSI_DONE_WITH_ERROR,
+ MFI_STAT_SCSI_IO_FAILED,
+ MFI_STAT_SCSI_RESERVATION_CONFLICT,
+ MFI_STAT_SHUTDOWN_FAILED = 0x30,
+ MFI_STAT_TIME_NOT_SET,
+ MFI_STAT_WRONG_STATE,
+ MFI_STAT_LD_OFFLINE,
+ MFI_STAT_PEER_NOTIFICATION_REJECTED,
+ MFI_STAT_PEER_NOTIFICATION_FAILED,
+ MFI_STAT_RESERVATION_IN_PROGRESS,
+ MFI_STAT_I2C_ERRORS_DETECTED,
+ MFI_STAT_PCI_ERRORS_DETECTED,
+ MFI_STAT_INVALID_STATUS = 0xFF
+} mfi_status_t ;
+
+typedef enum {
+ MFI_EVT_CLASS_DEBUG = -2,
+ MFI_EVT_CLASS_PROGRESS = -1,
+ MFI_EVT_CLASS_INFO = 0,
+ MFI_EVT_CLASS_WARNING = 1,
+ MFI_EVT_CLASS_CRITICAL = 2,
+ MFI_EVT_CLASS_FATAL = 3,
+ MFI_EVT_CLASS_DEAD = 4
+} mfi_evt_class_t ;
+
+typedef enum {
+ MFI_EVT_LOCALE_LD = 0x0001,
+ MFI_EVT_LOCALE_PD = 0x0002,
+ MFI_EVT_LOCALE_ENCL = 0x0004,
+ MFI_EVT_LOCALE_BBU = 0x0008,
+ MFI_EVT_LOCALE_SAS = 0x0010,
+ MFI_EVT_LOCALE_CTRL = 0x0020,
+ MFI_EVT_LOCALE_CONFIG = 0x0040,
+ MFI_EVT_LOCALE_CLUSTER = 0x0080,
+ MFI_EVT_LOCALE_ALL = 0xffff
+} mfi_evt_locale_t ;
+
+typedef enum {
+ MR_EVT_ARGS_NONE = 0x00,
+ MR_EVT_ARGS_CDB_SENSE,
+ MR_EVT_ARGS_LD,
+ MR_EVT_ARGS_LD_COUNT,
+ MR_EVT_ARGS_LD_LBA,
+ MR_EVT_ARGS_LD_OWNER,
+ MR_EVT_ARGS_LD_LBA_PD_LBA,
+ MR_EVT_ARGS_LD_PROG,
+ MR_EVT_ARGS_LD_STATE,
+ MR_EVT_ARGS_LD_STRIP,
+ MR_EVT_ARGS_PD,
+ MR_EVT_ARGS_PD_ERR,
+ MR_EVT_ARGS_PD_LBA,
+ MR_EVT_ARGS_PD_LBA_LD,
+ MR_EVT_ARGS_PD_PROG,
+ MR_EVT_ARGS_PD_STATE,
+ MR_EVT_ARGS_PCI,
+ MR_EVT_ARGS_RATE,
+ MR_EVT_ARGS_STR,
+ MR_EVT_ARGS_TIME,
+ MR_EVT_ARGS_ECC
+} mfi_evt_args;
+
+typedef enum {
+ MR_LD_CACHE_WRITE_BACK = 0x01,
+ MR_LD_CACHE_WRITE_ADAPTIVE = 0x02,
+ MR_LD_CACHE_READ_AHEAD = 0x04,
+ MR_LD_CACHE_READ_ADAPTIVE = 0x08,
+ MR_LD_CACHE_WRITE_CACHE_BAD_BBU = 0x10,
+ MR_LD_CACHE_ALLOW_WRITE_CACHE = 0x20,
+ MR_LD_CACHE_ALLOW_READ_CACHE = 0x40
+} mfi_ld_cache;
+
+typedef enum {
+ MR_PD_CACHE_UNCHANGED = 0,
+ MR_PD_CACHE_ENABLE = 1,
+ MR_PD_CACHE_DISABLE = 2
+} mfi_pd_cache;
+
+typedef enum {
+ MR_PD_QUERY_TYPE_ALL = 0,
+ MR_PD_QUERY_TYPE_STATE = 1,
+ MR_PD_QUERY_TYPE_POWER_STATE = 2,
+ MR_PD_QUERY_TYPE_MEDIA_TYPE = 3,
+ MR_PD_QUERY_TYPE_SPEED = 4,
+ MR_PD_QUERY_TYPE_EXPOSED_TO_HOST = 5, /*query for system drives */
+} mfi_pd_query_type;
+
+/*
+ * Other propertities and definitions
+ */
+#define MFI_MAX_PD_CHANNELS 2
+#define MFI_MAX_LD_CHANNELS 2
+#define MFI_MAX_CHANNELS (MFI_MAX_PD_CHANNELS + MFI_MAX_LD_CHANNELS)
+#define MFI_MAX_CHANNEL_DEVS 128
+#define MFI_DEFAULT_ID -1
+#define MFI_MAX_LUN 8
+#define MFI_MAX_LD 64
+
+#define MFI_FRAME_SIZE 64
+#define MFI_MBOX_SIZE 12
+
+/* Firmware flashing can take 40s */
+#define MFI_POLL_TIMEOUT_SECS 50
+
+/* Allow for speedier math calculations */
+#define MFI_SECTOR_LEN 512
+
+/* Scatter Gather elements */
+struct mfi_sg32 {
+ uint32_t addr;
+ uint32_t len;
+} __attribute__ ((packed));
+
+struct mfi_sg64 {
+ uint64_t addr;
+ uint32_t len;
+} __attribute__ ((packed));
+
+struct mfi_sg_skinny {
+ uint64_t addr;
+ uint32_t len;
+ uint32_t flag;
+} __attribute__ ((packed));
+
+union mfi_sgl {
+ struct mfi_sg32 sg32[1];
+ struct mfi_sg64 sg64[1];
+ struct mfi_sg_skinny sg_skinny[1];
+} __attribute__ ((packed));
+
+/* Message frames. All messages have a common header */
+struct mfi_frame_header {
+ uint8_t frame_cmd;
+ uint8_t sense_len;
+ uint8_t cmd_status;
+ uint8_t scsi_status;
+ uint8_t target_id;
+ uint8_t lun_id;
+ uint8_t cdb_len;
+ uint8_t sge_count;
+ uint32_t context;
+ /*
+ * pad0 is MSI Specific. Not used by Driver. Zero the value before
+ * sending the command to f/w
+ */
+ uint32_t pad0;
+ uint16_t flags;
+ uint16_t timeout;
+ uint32_t data_len;
+} __attribute__ ((packed));
+
+struct mfi_init_frame {
+ struct mfi_frame_header header;
+ uint32_t qinfo_new_addr_lo;
+ uint32_t qinfo_new_addr_hi;
+ uint32_t qinfo_old_addr_lo;
+ uint32_t qinfo_old_addr_hi;
+ uint32_t reserved[6];
+} __attribute__ ((packed));
+
+#define MFI_IO_FRAME_SIZE 40
+struct mfi_io_frame {
+ struct mfi_frame_header header;
+ uint32_t sense_addr_lo;
+ uint32_t sense_addr_hi;
+ uint32_t lba_lo;
+ uint32_t lba_hi;
+ union mfi_sgl sgl;
+} __attribute__ ((packed));
+
+#define MFI_PASS_FRAME_SIZE 48
+struct mfi_pass_frame {
+ struct mfi_frame_header header;
+ uint32_t sense_addr_lo;
+ uint32_t sense_addr_hi;
+ uint8_t cdb[16];
+ union mfi_sgl sgl;
+} __attribute__ ((packed));
+
+#define MFI_DCMD_FRAME_SIZE 40
+struct mfi_dcmd_frame {
+ struct mfi_frame_header header;
+ uint32_t opcode;
+ uint8_t mbox[MFI_MBOX_SIZE];
+ union mfi_sgl sgl;
+} __attribute__ ((packed));
+
+struct mfi_abort_frame {
+ struct mfi_frame_header header;
+ uint32_t abort_context;
+ uint32_t reserved0;
+ uint32_t abort_mfi_addr_lo;
+ uint32_t abort_mfi_addr_hi;
+ uint32_t reserved1[6];
+} __attribute__ ((packed));
+
+struct mfi_smp_frame {
+ struct mfi_frame_header header;
+ uint64_t sas_addr;
+ union {
+ struct mfi_sg32 sg32[2];
+ struct mfi_sg64 sg64[2];
+ } sgl;
+} __attribute__ ((packed));
+
+struct mfi_stp_frame {
+ struct mfi_frame_header header;
+ uint16_t fis[10];
+ uint32_t stp_flags;
+ union {
+ struct mfi_sg32 sg32[2];
+ struct mfi_sg64 sg64[2];
+ } sgl;
+} __attribute__ ((packed));
+
+union mfi_frame {
+ struct mfi_frame_header header;
+ struct mfi_init_frame init;
+ struct mfi_io_frame io;
+ struct mfi_pass_frame pass;
+ struct mfi_dcmd_frame dcmd;
+ struct mfi_abort_frame abort;
+ struct mfi_smp_frame smp;
+ struct mfi_stp_frame stp;
+ uint64_t raw[8];
+ uint8_t bytes[MFI_FRAME_SIZE];
+};
+
+#define MFI_SENSE_LEN 128
+struct mfi_sense {
+ uint8_t data[MFI_SENSE_LEN];
+};
+
+/* The queue init structure that is passed with the init message */
+struct mfi_init_qinfo {
+ uint32_t flags;
+ uint32_t rq_entries;
+ uint32_t rq_addr_lo;
+ uint32_t rq_addr_hi;
+ uint32_t pi_addr_lo;
+ uint32_t pi_addr_hi;
+ uint32_t ci_addr_lo;
+ uint32_t ci_addr_hi;
+} __attribute__ ((packed));
+
+/* Controller properties */
+struct mfi_ctrl_props {
+ uint16_t seq_num;
+ uint16_t pred_fail_poll_interval;
+ uint16_t intr_throttle_cnt;
+ uint16_t intr_throttle_timeout;
+ uint8_t rebuild_rate;
+ uint8_t patrol_read_rate;
+ uint8_t bgi_rate;
+ uint8_t cc_rate;
+ uint8_t recon_rate;
+ uint8_t cache_flush_interval;
+ uint8_t spinup_drv_cnt;
+ uint8_t spinup_delay;
+ uint8_t cluster_enable;
+ uint8_t coercion_mode;
+ uint8_t alarm_enable;
+ uint8_t disable_auto_rebuild;
+ uint8_t disable_battery_warn;
+ uint8_t ecc_bucket_size;
+ uint16_t ecc_bucket_leak_rate;
+ uint8_t restore_hotspare_on_insertion;
+ uint8_t expose_encl_devices;
+ uint8_t maintainPdFailHistory;
+ uint8_t disallowHostRequestReordering;
+ uint8_t abortCCOnError;
+ uint8_t loadBalanceMode;
+ uint8_t disableAutoDetectBackplane;
+ uint8_t snapVDSpace;
+ struct {
+ /* set TRUE to disable copyBack (0=copyback enabled) */
+ uint32_t copyBackDisabled:1,
+ SMARTerEnabled:1,
+ prCorrectUnconfiguredAreas:1,
+ useFdeOnly:1,
+ disableNCQ:1,
+ SSDSMARTerEnabled:1,
+ SSDPatrolReadEnabled:1,
+ enableSpinDownUnconfigured:1,
+ autoEnhancedImport:1,
+ enableSecretKeyControl:1,
+ disableOnlineCtrlReset:1,
+ allowBootWithPinnedCache:1,
+ disableSpinDownHS:1,
+ enableJBOD:1,
+ reserved:18;
+ } OnOffProperties;
+ uint8_t autoSnapVDSpace; /* % of source LD to be
+ * reserved for auto snapshot
+ * in snapshot repository, for
+ * metadata and user data
+ * 1=5%, 2=10%, 3=15% and so on
+ */
+ uint8_t viewSpace; /* snapshot writeable VIEWs
+ * capacity as a % of source LD
+ * capacity. 0=READ only
+ * 1=5%, 2=10%, 3=15% and so on
+ */
+ uint16_t spinDownTime; /* # of idle minutes before device
+ * is spun down (0=use FW defaults)
+ */
+ uint8_t reserved[24];
+} __attribute__ ((packed));
+
+/* PCI information about the card. */
+struct mfi_info_pci {
+ uint16_t vendor;
+ uint16_t device;
+ uint16_t subvendor;
+ uint16_t subdevice;
+ uint8_t reserved[24];
+} __attribute__ ((packed));
+
+/* Host (front end) interface information */
+struct mfi_info_host {
+ uint8_t type;
+#define MFI_INFO_HOST_PCIX 0x01
+#define MFI_INFO_HOST_PCIE 0x02
+#define MFI_INFO_HOST_ISCSI 0x04
+#define MFI_INFO_HOST_SAS3G 0x08
+ uint8_t reserved[6];
+ uint8_t port_count;
+ uint64_t port_addr[8];
+} __attribute__ ((packed));
+
+/* Device (back end) interface information */
+struct mfi_info_device {
+ uint8_t type;
+#define MFI_INFO_DEV_SPI 0x01
+#define MFI_INFO_DEV_SAS3G 0x02
+#define MFI_INFO_DEV_SATA1 0x04
+#define MFI_INFO_DEV_SATA3G 0x08
+ uint8_t reserved[6];
+ uint8_t port_count;
+ uint64_t port_addr[8];
+} __attribute__ ((packed));
+
+/* Firmware component information */
+struct mfi_info_component {
+ char name[8];
+ char version[32];
+ char build_date[16];
+ char build_time[16];
+} __attribute__ ((packed));
+
+/* Controller default settings */
+struct mfi_defaults {
+ uint64_t sas_addr;
+ uint8_t phy_polarity;
+ uint8_t background_rate;
+ uint8_t stripe_size;
+ uint8_t flush_time;
+ uint8_t write_back;
+ uint8_t read_ahead;
+ uint8_t cache_when_bbu_bad;
+ uint8_t cached_io;
+ uint8_t smart_mode;
+ uint8_t alarm_disable;
+ uint8_t coercion;
+ uint8_t zrc_config;
+ uint8_t dirty_led_shows_drive_activity;
+ uint8_t bios_continue_on_error;
+ uint8_t spindown_mode;
+ uint8_t allowed_device_types;
+ uint8_t allow_mix_in_enclosure;
+ uint8_t allow_mix_in_ld;
+ uint8_t allow_sata_in_cluster;
+ uint8_t max_chained_enclosures;
+ uint8_t disable_ctrl_r;
+ uint8_t enable_web_bios;
+ uint8_t phy_polarity_split;
+ uint8_t direct_pd_mapping;
+ uint8_t bios_enumerate_lds;
+ uint8_t restored_hot_spare_on_insertion;
+ uint8_t expose_enclosure_devices;
+ uint8_t maintain_pd_fail_history;
+ uint8_t disable_puncture;
+ uint8_t zero_based_enumeration;
+ uint8_t disable_preboot_cli;
+ uint8_t show_drive_led_on_activity;
+ uint8_t cluster_disable;
+ uint8_t sas_disable;
+ uint8_t auto_detect_backplane;
+ uint8_t fde_only;
+ uint8_t delay_during_post;
+ uint8_t resv[19];
+} __attribute__ ((packed));
+
+/* Controller default settings */
+struct mfi_bios_data {
+ uint16_t boot_target_id;
+ uint8_t do_not_int_13;
+ uint8_t continue_on_error;
+ uint8_t verbose;
+ uint8_t geometry;
+ uint8_t expose_all_drives;
+ uint8_t reserved[56];
+ uint8_t check_sum;
+} __attribute__ ((packed));
+
+/* SAS (?) controller info, returned from MFI_DCMD_CTRL_GETINFO. */
+struct mfi_ctrl_info {
+ struct mfi_info_pci pci;
+ struct mfi_info_host host;
+ struct mfi_info_device device;
+
+ /* Firmware components that are present and active. */
+ uint32_t image_check_word;
+ uint32_t image_component_count;
+ struct mfi_info_component image_component[8];
+
+ /* Firmware components that have been flashed but are inactive */
+ uint32_t pending_image_component_count;
+ struct mfi_info_component pending_image_component[8];
+
+ uint8_t max_arms;
+ uint8_t max_spans;
+ uint8_t max_arrays;
+ uint8_t max_lds;
+ char product_name[80];
+ char serial_number[32];
+ uint32_t hw_present;
+#define MFI_INFO_HW_BBU 0x01
+#define MFI_INFO_HW_ALARM 0x02
+#define MFI_INFO_HW_NVRAM 0x04
+#define MFI_INFO_HW_UART 0x08
+#define MFI_INFO_HW_MEM 0x10
+#define MFI_INFO_HW_FLASH 0x20
+ uint32_t current_fw_time;
+ uint16_t max_cmds;
+ uint16_t max_sg_elements;
+ uint32_t max_request_size;
+ uint16_t lds_present;
+ uint16_t lds_degraded;
+ uint16_t lds_offline;
+ uint16_t pd_present;
+ uint16_t pd_disks_present;
+ uint16_t pd_disks_pred_failure;
+ uint16_t pd_disks_failed;
+ uint16_t nvram_size;
+ uint16_t memory_size;
+ uint16_t flash_size;
+ uint16_t ram_correctable_errors;
+ uint16_t ram_uncorrectable_errors;
+ uint8_t cluster_allowed;
+ uint8_t cluster_active;
+ uint16_t max_strips_per_io;
+
+ uint32_t raid_levels;
+#define MFI_INFO_RAID_0 0x01
+#define MFI_INFO_RAID_1 0x02
+#define MFI_INFO_RAID_5 0x04
+#define MFI_INFO_RAID_1E 0x08
+#define MFI_INFO_RAID_6 0x10
+
+ uint32_t adapter_ops;
+#define MFI_INFO_AOPS_RBLD_RATE 0x0001
+#define MFI_INFO_AOPS_CC_RATE 0x0002
+#define MFI_INFO_AOPS_BGI_RATE 0x0004
+#define MFI_INFO_AOPS_RECON_RATE 0x0008
+#define MFI_INFO_AOPS_PATROL_RATE 0x0010
+#define MFI_INFO_AOPS_ALARM_CONTROL 0x0020
+#define MFI_INFO_AOPS_CLUSTER_SUPPORTED 0x0040
+#define MFI_INFO_AOPS_BBU 0x0080
+#define MFI_INFO_AOPS_SPANNING_ALLOWED 0x0100
+#define MFI_INFO_AOPS_DEDICATED_SPARES 0x0200
+#define MFI_INFO_AOPS_REVERTIBLE_SPARES 0x0400
+#define MFI_INFO_AOPS_FOREIGN_IMPORT 0x0800
+#define MFI_INFO_AOPS_SELF_DIAGNOSTIC 0x1000
+#define MFI_INFO_AOPS_MIXED_ARRAY 0x2000
+#define MFI_INFO_AOPS_GLOBAL_SPARES 0x4000
+
+ uint32_t ld_ops;
+#define MFI_INFO_LDOPS_READ_POLICY 0x01
+#define MFI_INFO_LDOPS_WRITE_POLICY 0x02
+#define MFI_INFO_LDOPS_IO_POLICY 0x04
+#define MFI_INFO_LDOPS_ACCESS_POLICY 0x08
+#define MFI_INFO_LDOPS_DISK_CACHE_POLICY 0x10
+
+ struct {
+ uint8_t min;
+ uint8_t max;
+ uint8_t reserved[2];
+ } __attribute__ ((packed)) stripe_sz_ops;
+
+ uint32_t pd_ops;
+#define MFI_INFO_PDOPS_FORCE_ONLINE 0x01
+#define MFI_INFO_PDOPS_FORCE_OFFLINE 0x02
+#define MFI_INFO_PDOPS_FORCE_REBUILD 0x04
+
+ uint32_t pd_mix_support;
+#define MFI_INFO_PDMIX_SAS 0x01
+#define MFI_INFO_PDMIX_SATA 0x02
+#define MFI_INFO_PDMIX_ENCL 0x04
+#define MFI_INFO_PDMIX_LD 0x08
+#define MFI_INFO_PDMIX_SATA_CLUSTER 0x10
+
+ uint8_t ecc_bucket_count;
+ uint8_t reserved2[11];
+ struct mfi_ctrl_props properties;
+ char package_version[0x60];
+ uint8_t pad[0x800 - 0x6a0];
+} __attribute__ ((packed));
+
+/* keep track of an event. */
+union mfi_evt {
+ struct {
+ uint16_t locale;
+ uint8_t reserved;
+ int8_t class;
+ } members;
+ uint32_t word;
+} __attribute__ ((packed));
+
+/* event log state. */
+struct mfi_evt_log_state {
+ uint32_t newest_seq_num;
+ uint32_t oldest_seq_num;
+ uint32_t clear_seq_num;
+ uint32_t shutdown_seq_num;
+ uint32_t boot_seq_num;
+} __attribute__ ((packed));
+
+struct mfi_progress {
+ uint16_t progress;
+ uint16_t elapsed_seconds;
+} __attribute__ ((packed));
+
+struct mfi_evt_ld {
+ uint16_t target_id;
+ uint8_t ld_index;
+ uint8_t reserved;
+} __attribute__ ((packed));
+
+struct mfi_evt_pd {
+ uint16_t device_id;
+ uint8_t enclosure_index;
+ uint8_t slot_number;
+} __attribute__ ((packed));
+
+/* SAS (?) event detail, returned from MFI_DCMD_CTRL_EVENT_WAIT. */
+struct mfi_evt_detail {
+ uint32_t seq;
+ uint32_t time;
+ uint32_t code;
+ union mfi_evt class;
+ uint8_t arg_type;
+ uint8_t reserved1[15];
+
+ union {
+ struct {
+ struct mfi_evt_pd pd;
+ uint8_t cdb_len;
+ uint8_t sense_len;
+ uint8_t reserved[2];
+ uint8_t cdb[16];
+ uint8_t sense[64];
+ } cdb_sense;
+
+ struct mfi_evt_ld ld;
+
+ struct {
+ struct mfi_evt_ld ld;
+ uint64_t count;
+ } ld_count;
+
+ struct {
+ uint64_t lba;
+ struct mfi_evt_ld ld;
+ } ld_lba;
+
+ struct {
+ struct mfi_evt_ld ld;
+ uint32_t pre_owner;
+ uint32_t new_owner;
+ } ld_owner;
+
+ struct {
+ uint64_t ld_lba;
+ uint64_t pd_lba;
+ struct mfi_evt_ld ld;
+ struct mfi_evt_pd pd;
+ } ld_lba_pd_lba;
+
+ struct {
+ struct mfi_evt_ld ld;
+ struct mfi_progress prog;
+ } ld_prog;
+
+ struct {
+ struct mfi_evt_ld ld;
+ uint32_t prev_state;
+ uint32_t new_state;
+ } ld_state;
+
+ struct {
+ uint64_t strip;
+ struct mfi_evt_ld ld;
+ } ld_strip;
+
+ struct mfi_evt_pd pd;
+
+ struct {
+ struct mfi_evt_pd pd;
+ uint32_t err;
+ } pd_err;
+
+ struct {
+ uint64_t lba;
+ struct mfi_evt_pd pd;
+ } pd_lba;
+
+ struct {
+ uint64_t lba;
+ struct mfi_evt_pd pd;
+ struct mfi_evt_ld ld;
+ } pd_lba_ld;
+
+ struct {
+ struct mfi_evt_pd pd;
+ struct mfi_progress prog;
+ } pd_prog;
+
+ struct {
+ struct mfi_evt_pd ld;
+ uint32_t prev_state;
+ uint32_t new_state;
+ } pd_state;
+
+ struct {
+ uint16_t venderId;
+ uint16_t deviceId;
+ uint16_t subVenderId;
+ uint16_t subDeviceId;
+ } pci;
+
+ uint32_t rate;
+
+ char str[96];
+
+ struct {
+ uint32_t rtc;
+ uint16_t elapsedSeconds;
+ } time;
+
+ struct {
+ uint32_t ecar;
+ uint32_t elog;
+ char str[64];
+ } ecc;
+
+ uint8_t b[96];
+ uint16_t s[48];
+ uint32_t w[24];
+ uint64_t d[12];
+ } args;
+
+ char description[128];
+} __attribute__ ((packed));
+
+struct mfi_evt_list {
+ uint32_t count;
+ uint32_t reserved;
+ struct mfi_evt_detail event[1];
+} __attribute__ ((packed));
+
+union mfi_pd_ref {
+ struct {
+ uint16_t device_id;
+ uint16_t seq_num;
+ } v;
+ uint32_t ref;
+} __attribute__ ((packed));
+
+union mfi_pd_ddf_type {
+ struct {
+ union {
+ struct {
+ uint16_t forced_pd_guid:1,
+ in_vd:1,
+ is_global_spare:1,
+ is_spare:1,
+ is_foreign:1,
+ reserved:7,
+ intf:4;
+ } pd_type;
+ uint16_t type;
+ } v;
+ uint16_t reserved;
+ } ddf;
+ struct {
+ uint32_t reserved;
+ } non_disk;
+ uint32_t type;
+} __attribute__ ((packed));
+
+struct mfi_pd_progress {
+ struct {
+ uint32_t rbld:1,
+ patrol:1 ,
+ clear:1,
+ reserved:29;
+ } active;
+ struct mfi_progress rbld;
+ struct mfi_progress patrol;
+ struct mfi_progress clear;
+ struct mfi_progress reserved[4];
+} __attribute__ ((packed));
+
+struct mfi_pd_info {
+ union mfi_pd_ref ref;
+ uint8_t inquiry_data[96];
+ uint8_t vpd_page83[64];
+ uint8_t not_supported;
+ uint8_t scsi_dev_type;
+ uint8_t connected_port_bitmap;
+ uint8_t device_speed;
+ uint32_t media_err_count;
+ uint32_t other_err_count;
+ uint32_t pred_fail_count;
+ uint32_t last_pred_fail_event_seq_num;
+ uint16_t fw_state;
+ uint8_t disable_for_removal;
+ uint8_t link_speed;
+ union mfi_pd_ddf_type state;
+ struct {
+ uint8_t count;
+ uint8_t is_path_broken;
+ uint8_t reserved[6];
+ uint64_t sas_addr[4];
+ } path_info;
+ uint64_t raw_size;
+ uint64_t non_coerced_size;
+ uint64_t coerced_size;
+ uint16_t encl_device_id;
+ uint8_t encl_index;
+ uint8_t slot_number;
+ struct mfi_pd_progress prog_info;
+ uint8_t bad_block_table_full;
+ uint8_t unusable_in_current_config;
+ uint8_t vpd_page83_ext[64];
+ uint8_t reserved[512-358];
+} __attribute__ ((packed));
+
+struct mfi_pd_address {
+ uint16_t device_id;
+ uint16_t encl_device_id;
+ uint8_t encl_index;
+ uint8_t slot_number;
+ uint8_t scsi_dev_type;
+ uint8_t connect_port_bitmap;
+ uint64_t sas_addr[2];
+} __attribute__ ((packed));
+
+#define MAX_SYS_PDS 240
+struct mfi_pd_list {
+ uint32_t size;
+ uint32_t count;
+ struct mfi_pd_address addr[MAX_SYS_PDS];
+} __attribute__ ((packed));
+
+union mfi_ld_ref {
+ struct {
+ uint8_t target_id;
+ uint8_t reserved;
+ uint16_t seq;
+ } v;
+ uint32_t ref;
+} __attribute__ ((packed));
+
+struct mfi_ld_list {
+ uint32_t ld_count;
+ uint32_t reserved1;
+ struct {
+ union mfi_ld_ref ld;
+ uint8_t state;
+ uint8_t reserved2[3];
+ uint64_t size;
+ } ld_list[MFI_MAX_LD];
+} __attribute__ ((packed));
+
+enum mfi_ld_access {
+ MFI_LD_ACCESS_RW = 0,
+ MFI_LD_ACCSSS_RO = 2,
+ MFI_LD_ACCESS_BLOCKED = 3,
+};
+#define MFI_LD_ACCESS_MASK 3
+
+enum mfi_ld_state {
+ MFI_LD_STATE_OFFLINE = 0,
+ MFI_LD_STATE_PARTIALLY_DEGRADED = 1,
+ MFI_LD_STATE_DEGRADED = 2,
+ MFI_LD_STATE_OPTIMAL = 3
+};
+
+enum mfi_syspd_state {
+ MFI_PD_STATE_UNCONFIGURED_GOOD = 0x00,
+ MFI_PD_STATE_UNCONFIGURED_BAD = 0x01,
+ MFI_PD_STATE_OFFLINE = 0x10,
+ MFI_PD_STATE_FAILED = 0x11,
+ MFI_PD_STATE_ONLINE = 0x18,
+ MFI_PD_STATE_SYSTEM = 0x40
+};
+
+struct mfi_ld_props {
+ union mfi_ld_ref ld;
+ char name[16];
+ uint8_t default_cache_policy;
+ uint8_t access_policy;
+ uint8_t disk_cache_policy;
+ uint8_t current_cache_policy;
+ uint8_t no_bgi;
+ uint8_t reserved[7];
+} __attribute__ ((packed));
+
+struct mfi_ld_params {
+ uint8_t primary_raid_level;
+ uint8_t raid_level_qualifier;
+ uint8_t secondary_raid_level;
+ uint8_t stripe_size;
+ uint8_t num_drives;
+ uint8_t span_depth;
+ uint8_t state;
+ uint8_t init_state;
+ uint8_t is_consistent;
+ uint8_t reserved[23];
+} __attribute__ ((packed));
+
+struct mfi_ld_progress {
+ uint32_t active;
+#define MFI_LD_PROGRESS_CC (1<<0)
+#define MFI_LD_PROGRESS_BGI (1<<1)
+#define MFI_LD_PROGRESS_FGI (1<<2)
+#define MFI_LD_PORGRESS_RECON (1<<3)
+ struct mfi_progress cc;
+ struct mfi_progress bgi;
+ struct mfi_progress fgi;
+ struct mfi_progress recon;
+ struct mfi_progress reserved[4];
+} __attribute__ ((packed));
+
+struct mfi_span {
+ uint64_t start_block;
+ uint64_t num_blocks;
+ uint16_t array_ref;
+ uint8_t reserved[6];
+} __attribute__ ((packed));
+
+#define MFI_MAX_SPAN_DEPTH 8
+struct mfi_ld_config {
+ struct mfi_ld_props properties;
+ struct mfi_ld_params params;
+ struct mfi_span span[MFI_MAX_SPAN_DEPTH];
+} __attribute__ ((packed));
+
+struct mfi_ld_info {
+ struct mfi_ld_config ld_config;
+ uint64_t size;
+ struct mfi_ld_progress progress;
+ uint16_t cluster_owner;
+ uint8_t reconstruct_active;
+ uint8_t reserved1[1];
+ uint8_t vpd_page83[64];
+ uint8_t reserved2[16];
+} __attribute__ ((packed));
+
+union mfi_spare_type {
+ struct {
+ uint8_t is_dedicate:1,
+ is_revertable:1,
+ is_encl_affinity:1,
+ reserved:5;
+ } v;
+ uint8_t type;
+} __attribute__ ((packed));
+
+#define MAX_ARRAYS 16
+struct mfi_spare {
+ union mfi_pd_ref ref;
+ union mfi_spare_type spare_type;
+ uint8_t reserved[2];
+ uint8_t array_count;
+ uint16_t array_refd[MAX_ARRAYS];
+} __attribute__ ((packed));
+
+#define MAX_ROW_SIZE 32
+struct mfi_array {
+ uint64_t size;
+ uint8_t num_drives;
+ uint8_t reserved;
+ uint16_t array_ref;
+ uint8_t pad[20];
+ struct {
+ union mfi_pd_ref ref;
+ uint16_t fw_state;
+ struct {
+ uint8_t pd;
+ uint8_t slot;
+ } encl;
+ } pd[MAX_ROW_SIZE];
+} __attribute__ ((packed));
+
+struct mfi_config_data {
+ uint32_t size;
+ uint16_t array_count;
+ uint16_t array_size;
+ uint16_t log_drv_count;
+ uint16_t log_drv_size;
+ uint16_t spares_count;
+ uint16_t spares_size;
+ uint8_t reserved[16];
+ uint8_t data;
+ /*
+ struct mfi_array array[];
+ struct mfi_ld_config ld[];
+ struct mfi_spare spare[];
+ */
+} __attribute__ ((packed));
+
+#define MFI_SCSI_MAX_t ARGETS 128
+#define MFI_SCSI_MAX_LUNS 8
+#define MFI_SCSI_INITIATOR_ID 255
+#define MFI_SCSI_MAX_CMDS 8
+#define MFI_SCSI_MAX_CDB_LEN 16
+
+#endif /* _MFI_H */
diff --git a/hw/pci_ids.h b/hw/pci_ids.h
index d94578c..796aaf1 100644
--- a/hw/pci_ids.h
+++ b/hw/pci_ids.h
@@ -12,9 +12,9 @@
#define PCI_BASE_CLASS_STORAGE 0x01
#define PCI_BASE_CLASS_NETWORK 0x02
-
#define PCI_CLASS_STORAGE_SCSI 0x0100
#define PCI_CLASS_STORAGE_IDE 0x0101
+#define PCI_CLASS_STORAGE_RAID 0x0104
#define PCI_CLASS_STORAGE_SATA 0x0106
#define PCI_CLASS_STORAGE_OTHER 0x0180
@@ -47,6 +47,7 @@
#define PCI_VENDOR_ID_LSI_LOGIC 0x1000
#define PCI_DEVICE_ID_LSI_53C895A 0x0012
+#define PCI_DEVICE_ID_LSI_SAS1078 0x0060
#define PCI_VENDOR_ID_DEC 0x1011
#define PCI_DEVICE_ID_DEC_21154 0x0026
--
1.7.3.4
^ permalink raw reply related [flat|nested] 18+ messages in thread* Re: [Qemu-devel] [PATCH 2/3] scsi: Add 'hba_private' to SCSIRequest
2011-07-01 15:35 ` [Qemu-devel] [PATCH 2/3] scsi: Add 'hba_private' to SCSIRequest Hannes Reinecke
2011-07-01 15:35 ` [Qemu-devel] [PATCH 3/3] megasas: LSI Megaraid SAS emulation Hannes Reinecke
@ 2011-07-01 15:57 ` Paolo Bonzini
1 sibling, 0 replies; 18+ messages in thread
From: Paolo Bonzini @ 2011-07-01 15:57 UTC (permalink / raw)
To: Hannes Reinecke; +Cc: Alexander Graf, qemu-devel, kvm, Stefan Haynoczi
On 07/01/2011 05:35 PM, Hannes Reinecke wrote:
> 'tag' is just an abstraction to identify the command
> from the driver. So we should make that explicit by
> replacing 'tag' with a driver-defined pointer 'hba_private'.
> This saves the lookup for driver handling several commands
> in parallel.
> 'tag' is still being kept for tracing purposes.
>
> Signed-off-by: Hannes Reinecke<hare@suse.de>
> ---
> hw/esp.c | 2 +-
> hw/lsi53c895a.c | 22 ++++++++--------------
> hw/scsi-bus.c | 9 ++++++---
> hw/scsi-disk.c | 4 ++--
> hw/scsi-generic.c | 5 +++--
> hw/scsi.h | 10 +++++++---
> hw/spapr_vscsi.c | 29 +++++++++--------------------
> hw/usb-msd.c | 9 +--------
> 8 files changed, 37 insertions(+), 53 deletions(-)
>
> diff --git a/hw/esp.c b/hw/esp.c
> index 6d3f5d2..aa87197 100644
> --- a/hw/esp.c
> +++ b/hw/esp.c
> @@ -244,7 +244,7 @@ static void do_busid_cmd(ESPState *s, uint8_t *buf, uint8_t busid)
>
> DPRINTF("do_busid_cmd: busid 0x%x\n", busid);
> lun = busid& 7;
> - s->current_req = scsi_req_new(s->current_dev, 0, lun);
> + s->current_req = scsi_req_new(s->current_dev, 0, lun, NULL);
> datalen = scsi_req_enqueue(s->current_req, buf);
> s->ti_size = datalen;
> if (datalen != 0) {
> diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
> index 940b43a..69eec1d 100644
> --- a/hw/lsi53c895a.c
> +++ b/hw/lsi53c895a.c
> @@ -661,7 +661,7 @@ static lsi_request *lsi_find_by_tag(LSIState *s, uint32_t tag)
> static void lsi_request_cancelled(SCSIRequest *req)
> {
> LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent);
> - lsi_request *p;
> + lsi_request *p = req->hba_private;
>
> if (s->current&& req == s->current->req) {
> scsi_req_unref(req);
> @@ -670,7 +670,6 @@ static void lsi_request_cancelled(SCSIRequest *req)
> return;
> }
>
> - p = lsi_find_by_tag(s, req->tag);
> if (p) {
> QTAILQ_REMOVE(&s->queue, p, next);
> scsi_req_unref(req);
> @@ -680,18 +679,12 @@ static void lsi_request_cancelled(SCSIRequest *req)
>
> /* Record that data is available for a queued command. Returns zero if
> the device was reselected, nonzero if the IO is deferred. */
> -static int lsi_queue_tag(LSIState *s, uint32_t tag, uint32_t len)
> +static int lsi_queue_req(LSIState *s, SCSIRequest *req, uint32_t len)
> {
> - lsi_request *p;
> -
> - p = lsi_find_by_tag(s, tag);
> - if (!p) {
> - BADF("IO with unknown tag %d\n", tag);
> - return 1;
> - }
> + lsi_request *p = req->hba_private;
>
> if (p->pending) {
> - BADF("Multiple IO pending for tag %d\n", tag);
> + BADF("Multiple IO pending for request %p\n", p);
> }
> p->pending = len;
> /* Reselect if waiting for it, or if reselection triggers an IRQ
> @@ -743,9 +736,9 @@ static void lsi_transfer_data(SCSIRequest *req, uint32_t len)
> LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent);
> int out;
>
> - if (s->waiting == 1 || !s->current || req->tag != s->current->tag ||
> + if (s->waiting == 1 || !s->current || req->hba_private != s->current ||
> (lsi_irq_on_rsl(s)&& !(s->scntl1& LSI_SCNTL1_CON))) {
> - if (lsi_queue_tag(s, req->tag, len)) {
> + if (lsi_queue_req(s, req, len)) {
> return;
> }
> }
> @@ -789,7 +782,8 @@ static void lsi_do_command(LSIState *s)
> assert(s->current == NULL);
> s->current = qemu_mallocz(sizeof(lsi_request));
> s->current->tag = s->select_tag;
> - s->current->req = scsi_req_new(dev, s->current->tag, s->current_lun);
> + s->current->req = scsi_req_new(dev, s->current->tag, s->current_lun,
> + s->current);
>
> n = scsi_req_enqueue(s->current->req, buf);
> if (n) {
> diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
> index ad6a730..8b1a412 100644
> --- a/hw/scsi-bus.c
> +++ b/hw/scsi-bus.c
> @@ -131,7 +131,8 @@ int scsi_bus_legacy_handle_cmdline(SCSIBus *bus)
> return res;
> }
>
> -SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun)
> +SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag,
> + uint32_t lun, void *hba_private)
> {
> SCSIRequest *req;
>
> @@ -141,14 +142,16 @@ SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t l
> req->dev = d;
> req->tag = tag;
> req->lun = lun;
> + req->hba_private = hba_private;
> req->status = -1;
> trace_scsi_req_alloc(req->dev->id, req->lun, req->tag);
> return req;
> }
>
> -SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun)
> +SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
> + void *hba_private)
> {
> - return d->info->alloc_req(d, tag, lun);
> + return d->info->alloc_req(d, tag, lun, hba_private);
> }
>
> uint8_t *scsi_req_get_buf(SCSIRequest *req)
> diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
> index a8c7372..c2a99fe 100644
> --- a/hw/scsi-disk.c
> +++ b/hw/scsi-disk.c
> @@ -81,13 +81,13 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type);
> static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf);
>
> static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag,
> - uint32_t lun)
> + uint32_t lun, void *hba_private)
> {
> SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, d);
> SCSIRequest *req;
> SCSIDiskReq *r;
>
> - req = scsi_req_alloc(sizeof(SCSIDiskReq),&s->qdev, tag, lun);
> + req = scsi_req_alloc(sizeof(SCSIDiskReq),&s->qdev, tag, lun, hba_private);
> r = DO_UPCAST(SCSIDiskReq, req, req);
> r->iov.iov_base = qemu_blockalign(s->bs, SCSI_DMA_BUF_SIZE);
> return req;
> diff --git a/hw/scsi-generic.c b/hw/scsi-generic.c
> index 8e59c7e..90345a7 100644
> --- a/hw/scsi-generic.c
> +++ b/hw/scsi-generic.c
> @@ -96,11 +96,12 @@ static int scsi_get_sense(SCSIRequest *req, uint8_t *outbuf, int len)
> return size;
> }
>
> -static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun)
> +static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun,
> + void *hba_private)
> {
> SCSIRequest *req;
>
> - req = scsi_req_alloc(sizeof(SCSIGenericReq), d, tag, lun);
> + req = scsi_req_alloc(sizeof(SCSIGenericReq), d, tag, lun, hba_private);
> return req;
> }
>
> diff --git a/hw/scsi.h b/hw/scsi.h
> index c1dca35..6b15bbc 100644
> --- a/hw/scsi.h
> +++ b/hw/scsi.h
> @@ -43,6 +43,7 @@ struct SCSIRequest {
> } cmd;
> BlockDriverAIOCB *aiocb;
> bool enqueued;
> + void *hba_private;
> QTAILQ_ENTRY(SCSIRequest) next;
> };
>
> @@ -67,7 +68,8 @@ struct SCSIDeviceInfo {
> DeviceInfo qdev;
> scsi_qdev_initfn init;
> void (*destroy)(SCSIDevice *s);
> - SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun);
> + SCSIRequest *(*alloc_req)(SCSIDevice *s, uint32_t tag, uint32_t lun,
> + void *hba_private);
> void (*free_req)(SCSIRequest *req);
> int32_t (*send_command)(SCSIRequest *req, uint8_t *buf);
> void (*read_data)(SCSIRequest *req);
> @@ -138,8 +140,10 @@ extern const struct SCSISense sense_code_LUN_FAILURE;
> int scsi_build_sense(SCSISense sense, uint8_t *buf, int len, int fixed);
> int scsi_sense_valid(SCSISense sense);
>
> -SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag, uint32_t lun);
> -SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun);
> +SCSIRequest *scsi_req_alloc(size_t size, SCSIDevice *d, uint32_t tag,
> + uint32_t lun, void *hba_private);
> +SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun,
> + void *hba_private);
> int32_t scsi_req_enqueue(SCSIRequest *req, uint8_t *buf);
> void scsi_req_free(SCSIRequest *req);
> SCSIRequest *scsi_req_ref(SCSIRequest *req);
> diff --git a/hw/spapr_vscsi.c b/hw/spapr_vscsi.c
> index 1c901ef..9e1cb2e 100644
> --- a/hw/spapr_vscsi.c
> +++ b/hw/spapr_vscsi.c
> @@ -121,7 +121,7 @@ static struct vscsi_req *vscsi_get_req(VSCSIState *s)
> return NULL;
> }
>
> -static void vscsi_put_req(VSCSIState *s, vscsi_req *req)
> +static void vscsi_put_req(vscsi_req *req)
> {
> if (req->sreq != NULL) {
> scsi_req_unref(req->sreq);
> @@ -130,15 +130,6 @@ static void vscsi_put_req(VSCSIState *s, vscsi_req *req)
> req->active = 0;
> }
>
> -static vscsi_req *vscsi_find_req(VSCSIState *s, SCSIRequest *req)
> -{
> - uint32_t tag = req->tag;
> - if (tag>= VSCSI_REQ_LIMIT || !s->reqs[tag].active) {
> - return NULL;
> - }
> - return&s->reqs[tag];
> -}
> -
> static void vscsi_decode_id_lun(uint64_t srp_lun, int *id, int *lun)
> {
> /* XXX Figure that one out properly ! This is crackpot */
> @@ -454,7 +445,7 @@ static void vscsi_send_request_sense(VSCSIState *s, vscsi_req *req)
> if (n) {
> req->senselen = n;
> vscsi_send_rsp(s, req, CHECK_CONDITION, 0, 0);
> - vscsi_put_req(s, req);
> + vscsi_put_req(req);
> return;
> }
>
> @@ -483,7 +474,7 @@ static void vscsi_send_request_sense(VSCSIState *s, vscsi_req *req)
> static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t len)
> {
> VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent);
> - vscsi_req *req = vscsi_find_req(s, sreq);
> + vscsi_req *req = sreq->hba_private;
> uint8_t *buf;
> int rc = 0;
>
> @@ -530,8 +521,7 @@ static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t len)
> /* Callback to indicate that the SCSI layer has completed a transfer. */
> static void vscsi_command_complete(SCSIRequest *sreq, uint32_t status)
> {
> - VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent);
> - vscsi_req *req = vscsi_find_req(s, sreq);
> + vscsi_req *req = sreq->hba_private;
> int32_t res_in = 0, res_out = 0;
>
> dprintf("VSCSI: SCSI cmd complete, r=0x%x tag=0x%x status=0x%x, req=%p\n",
> @@ -563,15 +553,14 @@ static void vscsi_command_complete(SCSIRequest *sreq, uint32_t status)
> }
> }
> vscsi_send_rsp(s, req, 0, res_in, res_out);
> - vscsi_put_req(s, req);
> + vscsi_put_req(req);
> }
>
> static void vscsi_request_cancelled(SCSIRequest *sreq)
> {
> - VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent);
> - vscsi_req *req = vscsi_find_req(s, sreq);
> + vscsi_req *req = sreq->hba_private;
>
> - vscsi_put_req(s, req);
> + vscsi_put_req(req);
> }
>
> static void vscsi_process_login(VSCSIState *s, vscsi_req *req)
> @@ -659,7 +648,7 @@ static int vscsi_queue_cmd(VSCSIState *s, vscsi_req *req)
> }
>
> req->lun = lun;
> - req->sreq = scsi_req_new(sdev, req->qtag, lun);
> + req->sreq = scsi_req_new(sdev, req->qtag, lun, req);
> n = scsi_req_enqueue(req->sreq, srp->cmd.cdb);
>
> dprintf("VSCSI: Queued command tag 0x%x CMD 0x%x ID %d LUN %d ret: %d\n",
> @@ -858,7 +847,7 @@ static void vscsi_got_payload(VSCSIState *s, vscsi_crq *crq)
> }
>
> if (done) {
> - vscsi_put_req(s, req);
> + vscsi_put_req(req);
> }
> }
>
> diff --git a/hw/usb-msd.c b/hw/usb-msd.c
> index 86582cc..bfea096 100644
> --- a/hw/usb-msd.c
> +++ b/hw/usb-msd.c
> @@ -216,10 +216,6 @@ static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
> MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
> USBPacket *p = s->packet;
>
> - if (req->tag != s->tag) {
> - fprintf(stderr, "usb-msd: Unexpected SCSI Tag 0x%x\n", req->tag);
> - }
> -
> assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
> s->scsi_len = len;
> s->scsi_buf = scsi_req_get_buf(req);
> @@ -241,9 +237,6 @@ static void usb_msd_command_complete(SCSIRequest *req, uint32_t status)
> MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
> USBPacket *p = s->packet;
>
> - if (req->tag != s->tag) {
> - fprintf(stderr, "usb-msd: Unexpected SCSI Tag 0x%x\n", req->tag);
> - }
> DPRINTF("Command complete %d\n", status);
> s->residue = s->data_len;
> s->result = status != 0;
> @@ -387,7 +380,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
> s->tag, cbw.flags, cbw.cmd_len, s->data_len);
> s->residue = 0;
> s->scsi_len = 0;
> - s->req = scsi_req_new(s->scsi_dev, s->tag, 0);
> + s->req = scsi_req_new(s->scsi_dev, s->tag, 0, NULL);
> scsi_req_enqueue(s->req, cbw.cmd);
> /* ??? Should check that USB and SCSI data transfer
> directions match. */
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Have a nice weekend.
Paolo
^ permalink raw reply [flat|nested] 18+ messages in thread