From patchwork Fri Jul 1 07:42:52 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 934742 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter2.kernel.org (8.14.4/8.14.4) with ESMTP id p617iRQ1016116 for ; Fri, 1 Jul 2011 07:44:27 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755313Ab1GAHoZ (ORCPT ); Fri, 1 Jul 2011 03:44:25 -0400 Received: from cantor2.suse.de ([195.135.220.15]:40982 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755294Ab1GAHoX (ORCPT ); Fri, 1 Jul 2011 03:44:23 -0400 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.221.2]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 859088AC33; Fri, 1 Jul 2011 09:44:21 +0200 (CEST) From: Hannes Reinecke To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Stefan Haynoczi , kvm@vger.kernel.org, Alexander Graf , Hannes Reinecke Subject: [PATCH 3/3] megasas: LSI Megaraid SAS emulation Date: Fri, 1 Jul 2011 09:42:52 +0200 Message-Id: <1309506172-17762-4-git-send-email-hare@suse.de> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1309506172-17762-3-git-send-email-hare@suse.de> References: <1309506172-17762-1-git-send-email-hare@suse.de> <1309506172-17762-2-git-send-email-hare@suse.de> <1309506172-17762-3-git-send-email-hare@suse.de> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter2.kernel.org [140.211.167.43]); Fri, 01 Jul 2011 07:44:28 +0000 (UTC) This patch adds an emulation for the LSI Megaraid SAS 8708EM2 HBA. Signed-off-by: Hannes Reinecke --- Makefile.objs | 1 + default-configs/pci.mak | 1 + hw/megasas.c | 1923 +++++++++++++++++++++++++++++++++++++++++++++++ hw/mfi.h | 1197 +++++++++++++++++++++++++++++ hw/pci_ids.h | 3 +- 5 files changed, 3124 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..75f9be3 --- /dev/null +++ b/hw/megasas.c @@ -0,0 +1,1923 @@ +/* + * QEMU MegaRAID SAS 8708EM2 Host Bus Adapter emulation + * + * Copyright (c) 2009-2011 Hannes Reinecke, SUSE Labs + * + * This code is licenced under the LGPL. + */ + +#include +#include + +#include "hw.h" +#include "pci.h" +#include "dma.h" +#include "iov.h" +#include "scsi.h" +#include "scsi-defs.h" +#include "block_int.h" +#ifdef __linux__ +# include +#endif + +#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, 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, 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, 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->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->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; + + switch (cmd->frame->header.frame_cmd) { + case MFI_CMD_DCMD: + retval = megasas_finish_internal_dcmd(cmd, req); + break; + default: + break; + } + return retval; +} + +static void megasas_xfer_complete(SCSIRequest *req, uint32_t len) +{ + struct megasas_cmd_t *cmd; + uint8_t *buf; + + cmd = req->hba_private; + if (!cmd) { + /* + * Bad. A command has been completed but we couldn't find it. + * Only safe way out of here is to terminate everything and + * hope the HBA recovers. + */ + DPRINTF("SCSI request %p not found", req); + return; + } + + 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; + uint8_t cmd_status = MFI_STAT_OK; + + cmd = req->hba_private; + if (!cmd) { + /* + * Bad. A command has been completed but we couldn't find it. + * Only safe way out of here is to terminate everything and + * hope the HBA recovers. + */ + DPRINTF("SCSI request %p not found", req); + return; + } + + 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..cc71af3 --- /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; + /* pad is changed to reserved.*/ + 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 { + uint32_t copyBackDisabled : 1; // set TRUE to disable copyBack (0=copback enabled) + uint32_t SMARTerEnabled : 1; + uint32_t prCorrectUnconfiguredAreas : 1; + uint32_t useFdeOnly : 1; + uint32_t disableNCQ : 1; + uint32_t SSDSMARTerEnabled : 1; + uint32_t SSDPatrolReadEnabled : 1; + uint32_t enableSpinDownUnconfigured : 1; + uint32_t autoEnhancedImport : 1; + uint32_t enableSecretKeyControl : 1; + uint32_t disableOnlineCtrlReset : 1; + uint32_t allowBootWithPinnedCache : 1; + uint32_t disableSpinDownHS : 1; + uint32_t enableJBOD : 1; + uint32_t 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; + uint16_t in_vd : 1; + uint16_t is_global_spare : 1; + uint16_t is_spare : 1; + uint16_t is_foreign : 1; + uint16_t reserved : 7; + uint16_t 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; + uint32_t patrol : 1; + uint32_t clear : 1; + uint32_t 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; + uint8_t is_revertable :1; + uint8_t is_encl_affinity :1; + uint8_t 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_TARGETS 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