Merge branch '6.8/s/mpi3mr2' into 6.8/scsi-staging

Two driver updates from Chandrakanth patil at Broadcom:

  scsi: mpi3mr: Update driver version to 8.5.1.0.0
  scsi: mpi3mr: Support for preallocation of SGL BSG data buffers part-3
  scsi: mpi3mr: Support for preallocation of SGL BSG data buffers part-2
  scsi: mpi3mr: Support for preallocation of SGL BSG data buffers part-1
  scsi: mpi3mr: Fetch correct device dev handle for status reply descriptor
  scsi: mpi3mr: Block PEL Enable Command on Controller Reset and Unrecoverable State
  scsi: mpi3mr: Clean up block devices post controller reset
  scsi: mpi3mr: Refresh sdev queue depth after controller reset

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Author: martinkpetersen

drivers/scsi/mpi3mr/mpi3mr.h

@@ -55,8 +55,8 @@ extern struct list_head mrioc_list;
 extern int prot_mask;
 extern atomic64_t event_counter;
 
-#define MPI3MR_DRIVER_VERSION	"8.5.0.0.50"
-#define MPI3MR_DRIVER_RELDATE	"22-November-2023"
+#define MPI3MR_DRIVER_VERSION	"8.5.1.0.0"
+#define MPI3MR_DRIVER_RELDATE	"5-December-2023"
 
 #define MPI3MR_DRIVER_NAME	"mpi3mr"
 #define MPI3MR_DRIVER_LICENSE	"GPL"
@@ -218,14 +218,16 @@ extern atomic64_t event_counter;
  * @length: SGE length
  * @rsvd: Reserved
  * @rsvd1: Reserved
- * @sgl_type: sgl type
+ * @sub_type: sgl sub type
+ * @type: sgl type
  */
 struct mpi3mr_nvme_pt_sge {
-	u64 base_addr;
-	u32 length;
+	__le64 base_addr;
+	__le32 length;
 	u16 rsvd;
 	u8 rsvd1;
-	u8 sgl_type;
+	u8 sub_type:4;
+	u8 type:4;
 };
 
 /**
@@ -247,6 +249,8 @@ struct mpi3mr_buf_map {
 	u32 kern_buf_len;
 	dma_addr_t kern_buf_dma;
 	u8 data_dir;
+	u16 num_dma_desc;
+	struct dma_memory_desc *dma_desc;
 };
 
 /* IOC State definitions */
@@ -477,6 +481,10 @@ struct mpi3mr_throttle_group_info {
 /* HBA port flags */
 #define MPI3MR_HBA_PORT_FLAG_DIRTY	0x01
 
+/* IOCTL data transfer sge*/
+#define MPI3MR_NUM_IOCTL_SGE		256
+#define MPI3MR_IOCTL_SGE_SIZE		(8 * 1024)
+
 /**
  * struct mpi3mr_hba_port - HBA's port information
  * @port_id: Port number
@@ -1042,6 +1050,11 @@ struct scmd_priv {
  * @sas_node_lock: Lock to protect SAS node list
  * @hba_port_table_list: List of HBA Ports
  * @enclosure_list: List of Enclosure objects
+ * @ioctl_dma_pool: DMA pool for IOCTL data buffers
+ * @ioctl_sge: DMA buffer descriptors for IOCTL data
+ * @ioctl_chain_sge: DMA buffer descriptor for IOCTL chain
+ * @ioctl_resp_sge: DMA buffer descriptor for Mgmt cmd response
+ * @ioctl_sges_allocated: Flag for IOCTL SGEs allocated or not
  */
 struct mpi3mr_ioc {
 	struct list_head list;
@@ -1227,6 +1240,12 @@ struct mpi3mr_ioc {
 	spinlock_t sas_node_lock;
 	struct list_head hba_port_table_list;
 	struct list_head enclosure_list;
+
+	struct dma_pool *ioctl_dma_pool;
+	struct dma_memory_desc ioctl_sge[MPI3MR_NUM_IOCTL_SGE];
+	struct dma_memory_desc ioctl_chain_sge;
+	struct dma_memory_desc ioctl_resp_sge;
+	bool ioctl_sges_allocated;
 };
 
 /**