Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (158 commits)
  [SCSI] Fix printing of failed 32-byte commands
  [SCSI] Fix printing of variable length commands
  [SCSI] libsrp: fix bug in ADDITIONAL CDB LENGTH interpretation
  [SCSI] scsi_dh_alua: Add IBM Power Virtual SCSI ALUA device to dev list
  [SCSI] scsi_dh_alua: add netapp to dev list
  [SCSI] qla2xxx: Update version number to 8.03.02-k1.
  [SCSI] qla2xxx: EEH: Restore PCI saved state during pci slot reset.
  [SCSI] qla2xxx: Add firmware ETS burst support.
  [SCSI] qla2xxx: Correct loop-resync issues during SNS scans.
  [SCSI] qla2xxx: Correct use-after-free issue in terminate_rport_io callback.
  [SCSI] qla2xxx: Correct EH bus-reset handling.
  [SCSI] qla2xxx: Proper clean-up of BSG requests when request times out.
  [SCSI] qla2xxx: Initialize payload receive length in failure path of vendor commands
  [SCSI] fix duplicate removal on error path in scsi_sysfs_add_sdev
  [SCSI] fix refcounting bug in scsi_get_host_dev
  [SCSI] fix memory leak in scsi_report_lun_scan
  [SCSI] lpfc: correct PPC build failure
  [SCSI] raid_class: add raid1e
  [SCSI] mpt2sas: Do not call sas_is_tlr_enabled for RAID volumes.
  [SCSI] zfcp: Introduce header file for qdio structs and inline functions
  ...

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;