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-rw-r--r--drivers/scsi/megaraid/megaraid_sas.c246
-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h36
2 files changed, 278 insertions, 4 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index d9b8ca5116b..409648f5845 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -10,7 +10,7 @@
* 2 of the License, or (at your option) any later version.
*
* FILE : megaraid_sas.c
- * Version : v00.00.04.12-rc1
+ * Version : v00.00.04.17.1-rc1
*
* Authors:
* (email-id : megaraidlinux@lsi.com)
@@ -843,6 +843,7 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
pthru->lun = scp->device->lun;
pthru->cdb_len = scp->cmd_len;
pthru->timeout = 0;
+ pthru->pad_0 = 0;
pthru->flags = flags;
pthru->data_xfer_len = scsi_bufflen(scp);
@@ -874,6 +875,12 @@ megasas_build_dcdb(struct megasas_instance *instance, struct scsi_cmnd *scp,
pthru->sge_count = megasas_make_sgl32(instance, scp,
&pthru->sgl);
+ if (pthru->sge_count > instance->max_num_sge) {
+ printk(KERN_ERR "megasas: DCDB two many SGE NUM=%x\n",
+ pthru->sge_count);
+ return 0;
+ }
+
/*
* Sense info specific
*/
@@ -1000,6 +1007,12 @@ megasas_build_ldio(struct megasas_instance *instance, struct scsi_cmnd *scp,
} else
ldio->sge_count = megasas_make_sgl32(instance, scp, &ldio->sgl);
+ if (ldio->sge_count > instance->max_num_sge) {
+ printk(KERN_ERR "megasas: build_ld_io: sge_count = %x\n",
+ ldio->sge_count);
+ return 0;
+ }
+
/*
* Sense info specific
*/
@@ -2250,6 +2263,7 @@ megasas_get_pd_list(struct megasas_instance *instance)
dcmd->sge_count = 1;
dcmd->flags = MFI_FRAME_DIR_READ;
dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
dcmd->data_xfer_len = MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST);
dcmd->opcode = MR_DCMD_PD_LIST_QUERY;
dcmd->sgl.sge32[0].phys_addr = ci_h;
@@ -2294,6 +2308,86 @@ megasas_get_pd_list(struct megasas_instance *instance)
return ret;
}
+/*
+ * megasas_get_ld_list_info - Returns FW's ld_list structure
+ * @instance: Adapter soft state
+ * @ld_list: ld_list structure
+ *
+ * Issues an internal command (DCMD) to get the FW's controller PD
+ * list structure. This information is mainly used to find out SYSTEM
+ * supported by the FW.
+ */
+static int
+megasas_get_ld_list(struct megasas_instance *instance)
+{
+ int ret = 0, ld_index = 0, ids = 0;
+ struct megasas_cmd *cmd;
+ struct megasas_dcmd_frame *dcmd;
+ struct MR_LD_LIST *ci;
+ dma_addr_t ci_h = 0;
+
+ cmd = megasas_get_cmd(instance);
+
+ if (!cmd) {
+ printk(KERN_DEBUG "megasas_get_ld_list: Failed to get cmd\n");
+ return -ENOMEM;
+ }
+
+ dcmd = &cmd->frame->dcmd;
+
+ ci = pci_alloc_consistent(instance->pdev,
+ sizeof(struct MR_LD_LIST),
+ &ci_h);
+
+ if (!ci) {
+ printk(KERN_DEBUG "Failed to alloc mem in get_ld_list\n");
+ megasas_return_cmd(instance, cmd);
+ return -ENOMEM;
+ }
+
+ memset(ci, 0, sizeof(*ci));
+ memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE);
+
+ dcmd->cmd = MFI_CMD_DCMD;
+ dcmd->cmd_status = 0xFF;
+ dcmd->sge_count = 1;
+ dcmd->flags = MFI_FRAME_DIR_READ;
+ dcmd->timeout = 0;
+ dcmd->data_xfer_len = sizeof(struct MR_LD_LIST);
+ dcmd->opcode = MR_DCMD_LD_GET_LIST;
+ dcmd->sgl.sge32[0].phys_addr = ci_h;
+ dcmd->sgl.sge32[0].length = sizeof(struct MR_LD_LIST);
+ dcmd->pad_0 = 0;
+
+ if (!megasas_issue_polled(instance, cmd)) {
+ ret = 0;
+ } else {
+ ret = -1;
+ }
+
+ /* the following function will get the instance PD LIST */
+
+ if ((ret == 0) && (ci->ldCount < MAX_LOGICAL_DRIVES)) {
+ memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
+
+ for (ld_index = 0; ld_index < ci->ldCount; ld_index++) {
+ if (ci->ldList[ld_index].state != 0) {
+ ids = ci->ldList[ld_index].ref.targetId;
+ instance->ld_ids[ids] =
+ ci->ldList[ld_index].ref.targetId;
+ }
+ }
+ }
+
+ pci_free_consistent(instance->pdev,
+ sizeof(struct MR_LD_LIST),
+ ci,
+ ci_h);
+
+ megasas_return_cmd(instance, cmd);
+ return ret;
+}
+
/**
* megasas_get_controller_info - Returns FW's controller structure
* @instance: Adapter soft state
@@ -2339,6 +2433,7 @@ megasas_get_ctrl_info(struct megasas_instance *instance,
dcmd->sge_count = 1;
dcmd->flags = MFI_FRAME_DIR_READ;
dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
dcmd->data_xfer_len = sizeof(struct megasas_ctrl_info);
dcmd->opcode = MR_DCMD_CTRL_GET_INFO;
dcmd->sgl.sge32[0].phys_addr = ci_h;
@@ -2590,6 +2685,9 @@ static int megasas_init_mfi(struct megasas_instance *instance)
(MEGASAS_MAX_PD * sizeof(struct megasas_pd_list)));
megasas_get_pd_list(instance);
+ memset(instance->ld_ids, 0xff, MEGASAS_MAX_LD_IDS);
+ megasas_get_ld_list(instance);
+
ctrl_info = kmalloc(sizeof(struct megasas_ctrl_info), GFP_KERNEL);
/*
@@ -2714,6 +2812,7 @@ megasas_get_seq_num(struct megasas_instance *instance,
dcmd->sge_count = 1;
dcmd->flags = MFI_FRAME_DIR_READ;
dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
dcmd->data_xfer_len = sizeof(struct megasas_evt_log_info);
dcmd->opcode = MR_DCMD_CTRL_EVENT_GET_INFO;
dcmd->sgl.sge32[0].phys_addr = el_info_h;
@@ -2828,6 +2927,7 @@ megasas_register_aen(struct megasas_instance *instance, u32 seq_num,
dcmd->sge_count = 1;
dcmd->flags = MFI_FRAME_DIR_READ;
dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
dcmd->data_xfer_len = sizeof(struct megasas_evt_detail);
dcmd->opcode = MR_DCMD_CTRL_EVENT_WAIT;
dcmd->mbox.w[0] = seq_num;
@@ -3166,6 +3266,7 @@ static void megasas_flush_cache(struct megasas_instance *instance)
dcmd->sge_count = 0;
dcmd->flags = MFI_FRAME_DIR_NONE;
dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
dcmd->data_xfer_len = 0;
dcmd->opcode = MR_DCMD_CTRL_CACHE_FLUSH;
dcmd->mbox.b[0] = MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE;
@@ -3205,6 +3306,7 @@ static void megasas_shutdown_controller(struct megasas_instance *instance,
dcmd->sge_count = 0;
dcmd->flags = MFI_FRAME_DIR_NONE;
dcmd->timeout = 0;
+ dcmd->pad_0 = 0;
dcmd->data_xfer_len = 0;
dcmd->opcode = opcode;
@@ -3984,6 +4086,7 @@ megasas_aen_polling(struct work_struct *work)
struct Scsi_Host *host;
struct scsi_device *sdev1;
u16 pd_index = 0;
+ u16 ld_index = 0;
int i, j, doscan = 0;
u32 seq_num;
int error;
@@ -3999,8 +4102,124 @@ megasas_aen_polling(struct work_struct *work)
switch (instance->evt_detail->code) {
case MR_EVT_PD_INSERTED:
+ if (megasas_get_pd_list(instance) == 0) {
+ for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+
+ pd_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 =
+ scsi_device_lookup(host, i, j, 0);
+
+ if (instance->pd_list[pd_index].driveState
+ == MR_PD_STATE_SYSTEM) {
+ if (!sdev1) {
+ scsi_add_device(host, i, j, 0);
+ }
+
+ if (sdev1)
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ doscan = 0;
+ break;
+
case MR_EVT_PD_REMOVED:
+ if (megasas_get_pd_list(instance) == 0) {
+ megasas_get_pd_list(instance);
+ for (i = 0; i < MEGASAS_MAX_PD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+
+ pd_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 =
+ scsi_device_lookup(host, i, j, 0);
+
+ if (instance->pd_list[pd_index].driveState
+ == MR_PD_STATE_SYSTEM) {
+ if (sdev1) {
+ scsi_device_put(sdev1);
+ }
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ }
+ doscan = 0;
+ break;
+
+ case MR_EVT_LD_OFFLINE:
+ case MR_EVT_LD_DELETED:
+ megasas_get_ld_list(instance);
+ for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+
+ ld_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 = scsi_device_lookup(host,
+ i + MEGASAS_MAX_LD_CHANNELS,
+ j,
+ 0);
+
+ if (instance->ld_ids[ld_index] != 0xff) {
+ if (sdev1) {
+ scsi_device_put(sdev1);
+ }
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
+ doscan = 0;
+ break;
+ case MR_EVT_LD_CREATED:
+ megasas_get_ld_list(instance);
+ for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
+ for (j = 0;
+ j < MEGASAS_MAX_DEV_PER_CHANNEL;
+ j++) {
+ ld_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 = scsi_device_lookup(host,
+ i+MEGASAS_MAX_LD_CHANNELS,
+ j, 0);
+
+ if (instance->ld_ids[ld_index] !=
+ 0xff) {
+ if (!sdev1) {
+ scsi_add_device(host,
+ i + 2,
+ j, 0);
+ }
+ }
+ if (sdev1) {
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ doscan = 0;
+ break;
case MR_EVT_CTRL_HOST_BUS_SCAN_REQUESTED:
+ case MR_EVT_FOREIGN_CFG_IMPORTED:
doscan = 1;
break;
default:
@@ -4035,6 +4254,31 @@ megasas_aen_polling(struct work_struct *work)
}
}
}
+
+ megasas_get_ld_list(instance);
+ for (i = 0; i < MEGASAS_MAX_LD_CHANNELS; i++) {
+ for (j = 0; j < MEGASAS_MAX_DEV_PER_CHANNEL; j++) {
+ ld_index =
+ (i * MEGASAS_MAX_DEV_PER_CHANNEL) + j;
+
+ sdev1 = scsi_device_lookup(host,
+ i+MEGASAS_MAX_LD_CHANNELS, j, 0);
+ if (instance->ld_ids[ld_index] != 0xff) {
+ if (!sdev1) {
+ scsi_add_device(host,
+ i+2,
+ j, 0);
+ } else {
+ scsi_device_put(sdev1);
+ }
+ } else {
+ if (sdev1) {
+ scsi_remove_device(sdev1);
+ scsi_device_put(sdev1);
+ }
+ }
+ }
+ }
}
if ( instance->aen_cmd != NULL ) {
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 72b28e436e3..9d8b6bf605a 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -18,9 +18,9 @@
/*
* MegaRAID SAS Driver meta data
*/
-#define MEGASAS_VERSION "00.00.04.12-rc1"
-#define MEGASAS_RELDATE "Sep. 17, 2009"
-#define MEGASAS_EXT_VERSION "Thu Sep. 17 11:41:51 PST 2009"
+#define MEGASAS_VERSION "00.00.04.17.1-rc1"
+#define MEGASAS_RELDATE "Oct. 29, 2009"
+#define MEGASAS_EXT_VERSION "Thu. Oct. 29, 11:41:51 PST 2009"
/*
* Device IDs
@@ -117,6 +117,7 @@
#define MFI_CMD_STP 0x08
#define MR_DCMD_CTRL_GET_INFO 0x01010000
+#define MR_DCMD_LD_GET_LIST 0x03010000
#define MR_DCMD_CTRL_CACHE_FLUSH 0x01101000
#define MR_FLUSH_CTRL_CACHE 0x01
@@ -349,6 +350,32 @@ struct megasas_pd_list {
u8 driveState;
} __packed;
+ /*
+ * defines the logical drive reference structure
+ */
+union MR_LD_REF {
+ struct {
+ u8 targetId;
+ u8 reserved;
+ u16 seqNum;
+ };
+ u32 ref;
+} __packed;
+
+/*
+ * defines the logical drive list structure
+ */
+struct MR_LD_LIST {
+ u32 ldCount;
+ u32 reserved;
+ struct {
+ union MR_LD_REF ref;
+ u8 state;
+ u8 reserved[3];
+ u64 size;
+ } ldList[MAX_LOGICAL_DRIVES];
+} __packed;
+
/*
* SAS controller properties
*/
@@ -637,6 +664,8 @@ struct megasas_ctrl_info {
#define MEGASAS_MAX_LD 64
#define MEGASAS_MAX_PD (MEGASAS_MAX_PD_CHANNELS * \
MEGASAS_MAX_DEV_PER_CHANNEL)
+#define MEGASAS_MAX_LD_IDS (MEGASAS_MAX_LD_CHANNELS * \
+ MEGASAS_MAX_DEV_PER_CHANNEL)
#define MEGASAS_DBG_LVL 1
@@ -1187,6 +1216,7 @@ struct megasas_instance {
struct megasas_register_set __iomem *reg_set;
struct megasas_pd_list pd_list[MEGASAS_MAX_PD];
+ u8 ld_ids[MEGASAS_MAX_LD_IDS];
s8 init_id;
u16 max_num_sge;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-28 11:18:50 +0000