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-rw-r--r--drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h2
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.c16
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_base.h5
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_config.c71
-rw-r--r--drivers/scsi/mpt3sas/mpt3sas_scsih.c17
5 files changed, 109 insertions, 2 deletions
diff --git a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
index a2f4a55c51be..167d79d145ca 100644
--- a/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
+++ b/drivers/scsi/mpt3sas/mpi/mpi2_cnfg.h
@@ -1398,7 +1398,7 @@ typedef struct _MPI2_CONFIG_PAGE_IOC_1 {
U8 PCIBusNum; /*0x0E */
U8 PCIDomainSegment; /*0x0F */
U32 Reserved1; /*0x10 */
- U32 Reserved2; /*0x14 */
+ U32 ProductSpecific; /* 0x14 */
} MPI2_CONFIG_PAGE_IOC_1,
*PTR_MPI2_CONFIG_PAGE_IOC_1,
Mpi2IOCPage1_t, *pMpi2IOCPage1_t;
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 4a4ef3cb64cb..1afc76d0fe4e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -4439,6 +4439,7 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
{
Mpi2ConfigReply_t mpi_reply;
u32 iounit_pg1_flags;
+ Mpi2IOCPage1_t ioc_pg1;
ioc->nvme_abort_timeout = 30;
mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
@@ -4471,6 +4472,21 @@ _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
else
ioc->nvme_abort_timeout = ioc->manu_pg11.NVMeAbortTO;
}
+ if (ioc->high_iops_queues) {
+ mpt3sas_config_get_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ pr_info(
+ "%s Enable interrupt coalescing only for first reply queue group(8)\n",
+ ioc->name);
+ /* If 31st bit is zero then interrupt coalescing is enabled
+ * for all reply descriptor post queues. If 31st bit is set
+ * to one then user can enable/disable interrupt coalescing
+ * on per reply descriptor post queue group(8) basis. So to
+ * enable interrupt coalescing only on first reply descriptor
+ * post queue group 31st bit and zeroth bit is enabled.
+ */
+ ioc_pg1.ProductSpecific = cpu_to_le32(0x80000001);
+ mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply, &ioc_pg1);
+ }
mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h
index f3818e30baed..b5a2071f6e0e 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.h
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.h
@@ -1286,6 +1286,7 @@ struct MPT3SAS_ADAPTER {
Mpi2IOUnitPage0_t iounit_pg0;
Mpi2IOUnitPage1_t iounit_pg1;
Mpi2IOUnitPage8_t iounit_pg8;
+ Mpi2IOCPage1_t ioc_pg1_copy;
struct _boot_device req_boot_device;
struct _boot_device req_alt_boot_device;
@@ -1634,6 +1635,10 @@ int mpt3sas_config_get_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
int mpt3sas_config_set_sas_iounit_pg1(struct MPT3SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page,
u16 sz);
+int mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
+ *mpi_reply, Mpi2IOCPage1_t *config_page);
+int mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
+ *mpi_reply, Mpi2IOCPage1_t *config_page);
int mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOCPage8_t *config_page);
int mpt3sas_config_get_expander_pg0(struct MPT3SAS_ADAPTER *ioc,
diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c b/drivers/scsi/mpt3sas/mpt3sas_config.c
index b18cbbc0696c..14a1a2793dd5 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_config.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_config.c
@@ -949,6 +949,77 @@ mpt3sas_config_get_ioc_pg8(struct MPT3SAS_ADAPTER *ioc,
out:
return r;
}
+/**
+ * mpt3sas_config_get_ioc_pg1 - obtain ioc page 1
+ * @ioc: per adapter object
+ * @mpi_reply: reply mf payload returned from firmware
+ * @config_page: contents of the config page
+ * Context: sleep.
+ *
+ * Return: 0 for success, non-zero for failure.
+ */
+int
+mpt3sas_config_get_ioc_pg1(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage1_t *config_page)
+{
+ Mpi2ConfigRequest_t mpi_request;
+ int r;
+
+ memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
+ mpi_request.Function = MPI2_FUNCTION_CONFIG;
+ mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
+ mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
+ mpi_request.Header.PageNumber = 1;
+ mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
+ ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);
+ r = _config_request(ioc, &mpi_request, mpi_reply,
+ MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
+ if (r)
+ goto out;
+
+ mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
+ r = _config_request(ioc, &mpi_request, mpi_reply,
+ MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
+ sizeof(*config_page));
+ out:
+ return r;
+}
+
+/**
+ * mpt3sas_config_set_ioc_pg1 - modify ioc page 1
+ * @ioc: per adapter object
+ * @mpi_reply: reply mf payload returned from firmware
+ * @config_page: contents of the config page
+ * Context: sleep.
+ *
+ * Return: 0 for success, non-zero for failure.
+ */
+int
+mpt3sas_config_set_ioc_pg1(struct MPT3SAS_ADAPTER *ioc,
+ Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage1_t *config_page)
+{
+ Mpi2ConfigRequest_t mpi_request;
+ int r;
+
+ memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
+ mpi_request.Function = MPI2_FUNCTION_CONFIG;
+ mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
+ mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
+ mpi_request.Header.PageNumber = 1;
+ mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
+ ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE);
+ r = _config_request(ioc, &mpi_request, mpi_reply,
+ MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
+ if (r)
+ goto out;
+
+ mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
+ r = _config_request(ioc, &mpi_request, mpi_reply,
+ MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
+ sizeof(*config_page));
+ out:
+ return r;
+}
/**
* mpt3sas_config_get_sas_device_pg0 - obtain sas device page 0
diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
index 3e93c4ab841b..1f6aa8b19a4d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c
@@ -9671,6 +9671,7 @@ static void scsih_remove(struct pci_dev *pdev)
struct _pcie_device *pcie_device, *pcienext;
struct workqueue_struct *wq;
unsigned long flags;
+ Mpi2ConfigReply_t mpi_reply;
ioc->remove_host = 1;
@@ -9685,7 +9686,13 @@ static void scsih_remove(struct pci_dev *pdev)
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
if (wq)
destroy_workqueue(wq);
-
+ /*
+ * Copy back the unmodified ioc page1. so that on next driver load,
+ * current modified changes on ioc page1 won't take effect.
+ */
+ if (ioc->is_aero_ioc)
+ mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply,
+ &ioc->ioc_pg1_copy);
/* release all the volumes */
_scsih_ir_shutdown(ioc);
sas_remove_host(shost);
@@ -9748,6 +9755,7 @@ scsih_shutdown(struct pci_dev *pdev)
struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
struct workqueue_struct *wq;
unsigned long flags;
+ Mpi2ConfigReply_t mpi_reply;
ioc->remove_host = 1;
@@ -9762,6 +9770,13 @@ scsih_shutdown(struct pci_dev *pdev)
spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
if (wq)
destroy_workqueue(wq);
+ /*
+ * Copy back the unmodified ioc page1 so that on next driver load,
+ * current modified changes on ioc page1 won't take effect.
+ */
+ if (ioc->is_aero_ioc)
+ mpt3sas_config_set_ioc_pg1(ioc, &mpi_reply,
+ &ioc->ioc_pg1_copy);
_scsih_ir_shutdown(ioc);
mpt3sas_base_detach(ioc);
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