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| author | Ranjan Kumar <ranjan.kumar@broadcom.com> | 2023-08-04 16:12:45 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2023-08-07 21:41:48 -0400 |
| commit | d9adb81e67e9be51990a14389cd1762086b44985 (patch) | |
| tree | d4e83ba48272a87cc4c72211368f53fbbff8c010 /drivers/scsi/mpi3mr/mpi3mr.h | |
| parent | 6f81b1cfdf33533925dbbfab9923f67fb4a31858 (diff) | |
| download | linux-d9adb81e67e9be51990a14389cd1762086b44985.tar.gz linux-d9adb81e67e9be51990a14389cd1762086b44985.tar.bz2 linux-d9adb81e67e9be51990a14389cd1762086b44985.zip | |
scsi: mpi3mr: Add support for more than 1MB I/O
Enhance the driver to get the maximum data length per I/O request from IOC
Facts data and report that to the upper layers. If the IOC facts data is
not reported then a default I/O size of 1MB is reported to the OS.
Signed-off-by: Ranjan Kumar <ranjan.kumar@broadcom.com>
Link: https://lore.kernel.org/r/20230804104248.118924-4-ranjan.kumar@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr.h')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 0afb687402e1..fd3619775739 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -66,11 +66,12 @@ extern atomic64_t event_counter; #define MPI3MR_NAME_LENGTH 32 #define IOCNAME "%s: " -#define MPI3MR_MAX_SECTORS 2048 +#define MPI3MR_DEFAULT_MAX_IO_SIZE (1 * 1024 * 1024) /* Definitions for internal SGL and Chain SGL buffers */ #define MPI3MR_PAGE_SIZE_4K 4096 -#define MPI3MR_SG_DEPTH (MPI3MR_PAGE_SIZE_4K / sizeof(struct mpi3_sge_common)) +#define MPI3MR_DEFAULT_SGL_ENTRIES 256 +#define MPI3MR_MAX_SGL_ENTRIES 2048 /* Definitions for MAX values for shost */ #define MPI3MR_MAX_CMDS_LUN 128 @@ -323,6 +324,7 @@ struct mpi3mr_ioc_facts { u16 max_perids; u16 max_pds; u16 max_sasexpanders; + u32 max_data_length; u16 max_sasinitiators; u16 max_enclosures; u16 max_pcie_switches; @@ -959,6 +961,7 @@ struct scmd_priv { * @stop_drv_processing: Stop all command processing * @device_refresh_on: Don't process the events until devices are refreshed * @max_host_ios: Maximum host I/O count + * @max_sgl_entries: Max SGL entries per I/O * @chain_buf_count: Chain buffer count * @chain_buf_pool: Chain buffer pool * @chain_sgl_list: Chain SGL list @@ -1129,6 +1132,7 @@ struct mpi3mr_ioc { u16 max_host_ios; spinlock_t tgtdev_lock; struct list_head tgtdev_list; + u16 max_sgl_entries; u32 chain_buf_count; struct dma_pool *chain_buf_pool; |