Re: [PATCH] scsi: megaraid_sas: Fix a memleak in megasas_init_fw

From: kernel test robot
Date: Wed Jan 17 2024 - 20:25:42 EST

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In reply to: Zhipeng Lu: "[PATCH] scsi: megaraid_sas: Fix a memleak in megasas_init_fw"
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Hi Zhipeng,

kernel test robot noticed the following build warnings:

[auto build test WARNING on jejb-scsi/for-next]
[also build test WARNING on mkp-scsi/for-next linus/master v6.7 next-20240117]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Zhipeng-Lu/scsi-megaraid_sas-Fix-a-memleak-in-megasas_init_fw/20240117-162116
base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next
patch link: https://lore.kernel.org/r/20240117081314.3818871-1-alexious%40zju.edu.cn
patch subject: [PATCH] scsi: megaraid_sas: Fix a memleak in megasas_init_fw
config: i386-randconfig-141-20240118 (https://download.01.org/0day-ci/archive/20240118/202401180914.gbhwzoJM-lkp@xxxxxxxxx/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240118/202401180914.gbhwzoJM-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401180914.gbhwzoJM-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/scsi/megaraid/megaraid_sas_base.c:6019:9: warning: unused variable 'j' [-Wunused-variable]
6019 | int i, j, loop;
| ^
1 warning generated.

vim +/j +6019 drivers/scsi/megaraid/megaraid_sas_base.c

132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6002
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6003 /**
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6004 * megasas_init_fw - Initializes the FW
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6005 * @instance: Adapter soft state
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6006 *
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6007 * This is the main function for initializing firmware
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6008 */
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6009
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6010 static int megasas_init_fw(struct megasas_instance *instance)
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6011 {
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6012 u32 max_sectors_1;
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6013 u32 max_sectors_2, tmp_sectors, msix_enable;
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6014 u32 scratch_pad_1, scratch_pad_2, scratch_pad_3, status_reg;
11f8a7b31f2140 drivers/scsi/megaraid/megaraid_sas_base.c Ben Collins 2013-09-13 6015 resource_size_t base_addr;
9a5987101c15e5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6016 void *base_addr_phys;
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6017 struct megasas_ctrl_info *ctrl_info = NULL;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6018 unsigned long bar_list;
ce88418dce0b47 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 @6019 int i, j, loop;
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6020 struct IOV_111 *iovPtr;
5a8cb85b569b23 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6021 struct fusion_context *fusion;
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6022 bool intr_coalescing;
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6023 unsigned int num_msix_req;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6024 u16 lnksta, speed;
5a8cb85b569b23 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6025
5a8cb85b569b23 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6026 fusion = instance->ctrl_context;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6027
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6028 /* Find first memory bar */
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6029 bar_list = pci_select_bars(instance->pdev, IORESOURCE_MEM);
51f9039ffd751d drivers/scsi/megaraid/megaraid_sas_base.c Christophe JAILLET 2016-08-21 6030 instance->bar = find_first_bit(&bar_list, BITS_PER_LONG);
e7f851684efb33 drivers/scsi/megaraid/megaraid_sas_base.c Yinghai Lu 2016-08-05 6031 if (pci_request_selected_regions(instance->pdev, 1<<instance->bar,
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6032 "megasas: LSI")) {
1be1825453f6d7 drivers/scsi/megaraid/megaraid_sas_base.c Bjorn Helgaas 2015-07-07 6033 dev_printk(KERN_DEBUG, &instance->pdev->dev, "IO memory region busy!\n");
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6034 return -EBUSY;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6035 }
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6036
11f8a7b31f2140 drivers/scsi/megaraid/megaraid_sas_base.c Ben Collins 2013-09-13 6037 base_addr = pci_resource_start(instance->pdev, instance->bar);
4bdc0d676a6431 drivers/scsi/megaraid/megaraid_sas_base.c Christoph Hellwig 2020-01-06 6038 instance->reg_set = ioremap(base_addr, 8192);
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6039
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6040 if (!instance->reg_set) {
1be1825453f6d7 drivers/scsi/megaraid/megaraid_sas_base.c Bjorn Helgaas 2015-07-07 6041 dev_printk(KERN_DEBUG, &instance->pdev->dev, "Failed to map IO mem\n");
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6042 goto fail_ioremap;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6043 }
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6044
9a5987101c15e5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6045 base_addr_phys = &base_addr;
9a5987101c15e5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6046 dev_printk(KERN_DEBUG, &instance->pdev->dev,
9a5987101c15e5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6047 "BAR:0x%lx BAR's base_addr(phys):%pa mapped virt_addr:0x%p\n",
9a5987101c15e5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6048 instance->bar, base_addr_phys, instance->reg_set);
9a5987101c15e5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6049
e7d36b88435077 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6050 if (instance->adapter_type != MFI_SERIES)
9c915a8c99bce6 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6051 instance->instancet = &megasas_instance_template_fusion;
9581ebebbe351d drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6052 else {
9581ebebbe351d drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6053 switch (instance->pdev->device) {
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6054 case PCI_DEVICE_ID_LSI_SAS1078R:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6055 case PCI_DEVICE_ID_LSI_SAS1078DE:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6056 instance->instancet = &megasas_instance_template_ppc;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6057 break;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6058 case PCI_DEVICE_ID_LSI_SAS1078GEN2:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6059 case PCI_DEVICE_ID_LSI_SAS0079GEN2:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6060 instance->instancet = &megasas_instance_template_gen2;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6061 break;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6062 case PCI_DEVICE_ID_LSI_SAS0073SKINNY:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6063 case PCI_DEVICE_ID_LSI_SAS0071SKINNY:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6064 instance->instancet = &megasas_instance_template_skinny;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6065 break;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6066 case PCI_DEVICE_ID_LSI_SAS1064R:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6067 case PCI_DEVICE_ID_DELL_PERC5:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6068 default:
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6069 instance->instancet = &megasas_instance_template_xscale;
9581ebebbe351d drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6070 instance->pd_list_not_supported = 1;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6071 break;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6072 }
9581ebebbe351d drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6073 }
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6074
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6075 if (megasas_transition_to_ready(instance, 0)) {
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6076 dev_info(&instance->pdev->dev,
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6077 "Failed to transition controller to ready from %s!\n",
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6078 __func__);
f10fb8523aeebb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6079 if (instance->adapter_type != MFI_SERIES) {
de93b40d98ead2 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6080 status_reg = instance->instancet->read_fw_status_reg(
de516379e85f51 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6081 instance);
f10fb8523aeebb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6082 if (status_reg & MFI_RESET_ADAPTER) {
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6083 if (megasas_adp_reset_wait_for_ready
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6084 (instance, true, 0) == FAILED)
f10fb8523aeebb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6085 goto fail_ready_state;
f10fb8523aeebb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6086 } else {
f10fb8523aeebb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6087 goto fail_ready_state;
de93b40d98ead2 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6088 }
f10fb8523aeebb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6089 } else {
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6090 atomic_set(&instance->fw_reset_no_pci_access, 1);
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6091 instance->instancet->adp_reset
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6092 (instance, instance->reg_set);
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6093 atomic_set(&instance->fw_reset_no_pci_access, 0);
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6094
de93b40d98ead2 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6095 /*waiting for about 30 second before retry*/
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6096 ssleep(30);
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6097
058a8facfe1ee0 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-10-08 6098 if (megasas_transition_to_ready(instance, 0))
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6099 goto fail_ready_state;
de93b40d98ead2 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6100 }
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6101
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6102 dev_info(&instance->pdev->dev,
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6103 "FW restarted successfully from %s!\n",
78409d4b47b83d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6104 __func__);
6431f5d7c6025f drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-07-16 6105 }
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6106
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6107 megasas_init_ctrl_params(instance);
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6108
107a60dd71b5f5 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6109 if (megasas_set_dma_mask(instance))
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6110 goto fail_ready_state;
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6111
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6112 if (megasas_alloc_ctrl_mem(instance))
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6113 goto fail_alloc_dma_buf;
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6114
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6115 if (megasas_alloc_ctrl_dma_buffers(instance))
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6116 goto fail_alloc_dma_buf;
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6117
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6118 fusion = instance->ctrl_context;
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6119
630d42b70f5d5c drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6120 if (instance->adapter_type >= VENTURA_SERIES) {
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6121 scratch_pad_2 =
272652fcbf1adf drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6122 megasas_readl(instance,
272652fcbf1adf drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6123 &instance->reg_set->outbound_scratch_pad_2);
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6124 instance->max_raid_mapsize = ((scratch_pad_2 >>
d889344e4e59eb drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6125 MR_MAX_RAID_MAP_SIZE_OFFSET_SHIFT) &
d889344e4e59eb drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6126 MR_MAX_RAID_MAP_SIZE_MASK);
d889344e4e59eb drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6127 }
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6128
9ab089d30bcf09 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-07-26 6129 instance->enable_sdev_max_qd = enable_sdev_max_qd;
9ab089d30bcf09 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-07-26 6130
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6131 switch (instance->adapter_type) {
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6132 case VENTURA_SERIES:
49f2bf1071f06a drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6133 fusion->pcie_bw_limitation = true;
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6134 break;
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6135 case AERO_SERIES:
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6136 fusion->r56_div_offload = true;
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6137 break;
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6138 default:
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6139 break;
7fc557005c454f drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6140 }
49f2bf1071f06a drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6141
3f1abce4aba4ce drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-05-11 6142 /* Check if MSI-X is supported while in ready state */
de516379e85f51 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6143 msix_enable = (instance->instancet->read_fw_status_reg(instance) &
3f1abce4aba4ce drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-05-11 6144 0x4000000) >> 0x1a;
c8e858fe72230d drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-10-08 6145 if (msix_enable && !msix_disable) {
fad119b707f8cc drivers/scsi/megaraid/megaraid_sas_base.c Hannes Reinecke 2016-12-02 6146
272652fcbf1adf drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6147 scratch_pad_1 = megasas_readl
272652fcbf1adf drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6148 (instance, &instance->reg_set->outbound_scratch_pad_1);
c8e858fe72230d drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-10-08 6149 /* Check max MSI-X vectors */
5a8cb85b569b23 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6150 if (fusion) {
c365178f3147f3 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6151 if (instance->adapter_type == THUNDERBOLT_SERIES) {
c365178f3147f3 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6152 /* Thunderbolt Series*/
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6153 instance->msix_vectors = (scratch_pad_1
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6154 & MR_MAX_REPLY_QUEUES_OFFSET) + 1;
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6155 } else {
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6156 instance->msix_vectors = ((scratch_pad_1
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6157 & MR_MAX_REPLY_QUEUES_EXT_OFFSET)
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6158 >> MR_MAX_REPLY_QUEUES_EXT_OFFSET_SHIFT) + 1;
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6159
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6160 /*
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6161 * For Invader series, > 8 MSI-x vectors
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6162 * supported by FW/HW implies combined
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6163 * reply queue mode is enabled.
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6164 * For Ventura series, > 16 MSI-x vectors
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6165 * supported by FW/HW implies combined
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6166 * reply queue mode is enabled.
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6167 */
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6168 switch (instance->adapter_type) {
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6169 case INVADER_SERIES:
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6170 if (instance->msix_vectors > 8)
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6171 instance->msix_combined = true;
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6172 break;
154a7cde9a895d drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6173 case AERO_SERIES:
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6174 case VENTURA_SERIES:
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6175 if (instance->msix_vectors > 16)
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6176 instance->msix_combined = true;
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6177 break;
e29c3221334726 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6178 }
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6179
179ac14291a0e1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6180 if (rdpq_enable)
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6181 instance->is_rdpq = (scratch_pad_1 & MR_RDPQ_MODE_OFFSET) ?
179ac14291a0e1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6182 1 : 0;
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6183
1175b88452cad2 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-06-28 6184 if (instance->adapter_type >= INVADER_SERIES &&
1175b88452cad2 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-06-28 6185 !instance->msix_combined) {
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6186 instance->msix_load_balance = true;
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6187 instance->smp_affinity_enable = false;
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6188 }
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6189
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6190 /* Save 1-15 reply post index address to local memory
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6191 * Index 0 is already saved from reg offset
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6192 * MPI2_REPLY_POST_HOST_INDEX_OFFSET
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6193 */
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6194 for (loop = 1; loop < MR_MAX_MSIX_REG_ARRAY; loop++) {
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6195 instance->reply_post_host_index_addr[loop] =
8a232bb39917bf drivers/scsi/megaraid/megaraid_sas_base.c Christoph Hellwig 2015-04-23 6196 (u32 __iomem *)
8a232bb39917bf drivers/scsi/megaraid/megaraid_sas_base.c Christoph Hellwig 2015-04-23 6197 ((u8 __iomem *)instance->reg_set +
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6198 MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6199 + (loop * 0x10));
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6200 }
5a8cb85b569b23 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6201 }
ce88418dce0b47 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6202
ce88418dce0b47 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6203 dev_info(&instance->pdev->dev,
ce88418dce0b47 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6204 "firmware supports msix\t: (%d)",
ce88418dce0b47 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6205 instance->msix_vectors);
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6206 if (msix_vectors)
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6207 instance->msix_vectors = min(msix_vectors,
d46a3ad679c723 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6208 instance->msix_vectors);
5a8cb85b569b23 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6209 } else /* MFI adapters */
c8e858fe72230d drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-10-08 6210 instance->msix_vectors = 1;
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6211
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6212
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6213 /*
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6214 * For Aero (if some conditions are met), driver will configure a
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6215 * few additional reply queues with interrupt coalescing enabled.
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6216 * These queues with interrupt coalescing enabled are called
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6217 * High IOPS queues and rest of reply queues (based on number of
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6218 * logical CPUs) are termed as Low latency queues.
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6219 *
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6220 * Total Number of reply queues = High IOPS queues + low latency queues
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6221 *
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6222 * For rest of fusion adapters, 1 additional reply queue will be
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6223 * reserved for management commands, rest of reply queues
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6224 * (based on number of logical CPUs) will be used for IOs and
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6225 * referenced as IO queues.
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6226 * Total Number of reply queues = 1 + IO queues
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6227 *
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6228 * MFI adapters supports single MSI-x so single reply queue
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6229 * will be used for IO and management commands.
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6230 */
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6231
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6232 intr_coalescing = (scratch_pad_1 & MR_INTR_COALESCING_SUPPORT_OFFSET) ?
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6233 true : false;
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6234 if (intr_coalescing &&
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6235 (num_online_cpus() >= MR_HIGH_IOPS_QUEUE_COUNT) &&
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6236 (instance->msix_vectors == MEGASAS_MAX_MSIX_QUEUES))
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6237 instance->perf_mode = MR_BALANCED_PERF_MODE;
c8e858fe72230d drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-10-08 6238 else
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6239 instance->perf_mode = MR_LATENCY_PERF_MODE;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6240
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6241
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6242 if (instance->adapter_type == AERO_SERIES) {
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6243 pcie_capability_read_word(instance->pdev, PCI_EXP_LNKSTA, &lnksta);
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6244 speed = lnksta & PCI_EXP_LNKSTA_CLS;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6245
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6246 /*
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6247 * For Aero, if PCIe link speed is <16 GT/s, then driver should operate
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6248 * in latency perf mode and enable R1 PCI bandwidth algorithm
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6249 */
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6250 if (speed < 0x4) {
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6251 instance->perf_mode = MR_LATENCY_PERF_MODE;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6252 fusion->pcie_bw_limitation = true;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6253 }
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6254
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6255 /*
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6256 * Performance mode settings provided through module parameter-perf_mode will
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6257 * take affect only for:
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6258 * 1. Aero family of adapters.
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6259 * 2. When user sets module parameter- perf_mode in range of 0-2.
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6260 */
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6261 if ((perf_mode >= MR_BALANCED_PERF_MODE) &&
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6262 (perf_mode <= MR_LATENCY_PERF_MODE))
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6263 instance->perf_mode = perf_mode;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6264 /*
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6265 * If intr coalescing is not supported by controller FW, then IOPS
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6266 * and Balanced modes are not feasible.
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6267 */
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6268 if (!intr_coalescing)
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6269 instance->perf_mode = MR_LATENCY_PERF_MODE;
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6270
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6271 }
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6272
299ee42615e3f5 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6273 if (instance->perf_mode == MR_BALANCED_PERF_MODE)
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6274 instance->low_latency_index_start =
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6275 MR_HIGH_IOPS_QUEUE_COUNT;
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6276 else
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6277 instance->low_latency_index_start = 1;
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6278
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6279 num_msix_req = num_online_cpus() + instance->low_latency_index_start;
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6280
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6281 instance->msix_vectors = min(num_msix_req,
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6282 instance->msix_vectors);
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6283
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6284 megasas_alloc_irq_vectors(instance);
132147d7f620ee drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6285 if (!instance->msix_vectors)
1d15d9098ad12b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6286 instance->msix_load_balance = false;
c8e858fe72230d drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-10-08 6287 }
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6288 /*
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6289 * MSI-X host index 0 is common for all adapter.
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6290 * It is used for all MPT based Adapters.
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6291 */
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6292 if (instance->msix_combined) {
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6293 instance->reply_post_host_index_addr[0] =
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6294 (u32 *)((u8 *)instance->reg_set +
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6295 MPI2_SUP_REPLY_POST_HOST_INDEX_OFFSET);
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6296 } else {
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6297 instance->reply_post_host_index_addr[0] =
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6298 (u32 *)((u8 *)instance->reg_set +
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6299 MPI2_REPLY_POST_HOST_INDEX_OFFSET);
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6300 }
2493c67e518c77 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6301
64ff64b90e62c8 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-03-10 6302 if (!instance->msix_vectors) {
fad119b707f8cc drivers/scsi/megaraid/megaraid_sas_base.c Hannes Reinecke 2016-12-02 6303 i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY);
fad119b707f8cc drivers/scsi/megaraid/megaraid_sas_base.c Hannes Reinecke 2016-12-02 6304 if (i < 0)
8a25fa17b6ed6e drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6305 goto fail_init_adapter;
64ff64b90e62c8 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-03-10 6306 }
3f1abce4aba4ce drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-05-11 6307
adbe552349f2d1 drivers/scsi/megaraid/megaraid_sas_base.c Ming Lei 2018-03-13 6308 megasas_setup_reply_map(instance);
adbe552349f2d1 drivers/scsi/megaraid/megaraid_sas_base.c Ming Lei 2018-03-13 6309
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6310 dev_info(&instance->pdev->dev,
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6311 "current msix/online cpus\t: (%d/%d)\n",
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6312 instance->msix_vectors, (unsigned int)num_online_cpus());
179ac14291a0e1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6313 dev_info(&instance->pdev->dev,
179ac14291a0e1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6314 "RDPQ mode\t: (%s)\n", instance->is_rdpq ? "enabled" : "disabled");
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6315
91626c2701acad drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6316 tasklet_init(&instance->isr_tasklet, instance->instancet->tasklet,
91626c2701acad drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6317 (unsigned long)instance);
91626c2701acad drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6318
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6319 /*
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6320 * Below are default value for legacy Firmware.
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6321 * non-fusion based controllers
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6322 */
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6323 instance->fw_supported_vd_count = MAX_LOGICAL_DRIVES;
51087a8617fef1 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6324 instance->fw_supported_pd_count = MAX_PHYSICAL_DEVICES;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6325 /* Get operational params, sge flags, send init cmd to controller */
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6326 if (instance->instancet->init_adapter(instance))
eb1b12377376e4 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2011-02-24 6327 goto fail_init_adapter;
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6328
630d42b70f5d5c drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6329 if (instance->adapter_type >= VENTURA_SERIES) {
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6330 scratch_pad_3 =
272652fcbf1adf drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6331 megasas_readl(instance,
272652fcbf1adf drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6332 &instance->reg_set->outbound_scratch_pad_3);
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6333 if ((scratch_pad_3 & MR_NVME_PAGE_SIZE_MASK) >=
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6334 MR_DEFAULT_NVME_PAGE_SHIFT)
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6335 instance->nvme_page_size =
81b7645223ea59 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6336 (1 << (scratch_pad_3 & MR_NVME_PAGE_SIZE_MASK));
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6337
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6338 dev_info(&instance->pdev->dev,
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6339 "NVME page size\t: (%d)\n", instance->nvme_page_size);
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6340 }
15dd03811d99dc drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6341
18103efcacee05 drivers/scsi/megaraid/megaraid_sas_base.c Tomas Henzl 2016-11-01 6342 if (instance->msix_vectors ?
18103efcacee05 drivers/scsi/megaraid/megaraid_sas_base.c Tomas Henzl 2016-11-01 6343 megasas_setup_irqs_msix(instance, 1) :
18103efcacee05 drivers/scsi/megaraid/megaraid_sas_base.c Tomas Henzl 2016-11-01 6344 megasas_setup_irqs_ioapic(instance))
18103efcacee05 drivers/scsi/megaraid/megaraid_sas_base.c Tomas Henzl 2016-11-01 6345 goto fail_init_adapter;
258c3af2b93094 drivers/scsi/megaraid/megaraid_sas_base.c Tomas Henzl 2015-06-02 6346
62a04f81e6133c drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6347 if (instance->adapter_type != MFI_SERIES)
62a04f81e6133c drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6348 megasas_setup_irq_poll(instance);
62a04f81e6133c drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-05-07 6349
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6350 instance->instancet->enable_intr(instance);
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6351
13f307711b127d drivers/scsi/megaraid/megaraid_sas_base.c Andy Lutomirski 2016-05-03 6352 dev_info(&instance->pdev->dev, "INIT adapter done\n");
cd50ba8ede5cd3 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2010-12-21 6353
3761cb4cf65ec7 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6354 megasas_setup_jbod_map(instance);
3761cb4cf65ec7 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6355
daa0681118c9f4 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-01-29 6356 if (megasas_get_device_list(instance) != SUCCESS) {
daa0681118c9f4 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-01-29 6357 dev_err(&instance->pdev->dev,
daa0681118c9f4 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-01-29 6358 "%s: megasas_get_device_list failed\n",
daa0681118c9f4 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2019-01-29 6359 __func__);
72bff2d1d0c9cb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6360 goto fail_get_ld_pd_list;
58968fc8fbb386 drivers/scsi/megaraid/megaraid_sas_base.c Hannes Reinecke 2014-01-16 6361 }
81e403ce3c6a34 drivers/scsi/megaraid/megaraid_sas.c Yang, Bo 2009-10-06 6362
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6363 /* stream detection initialization */
630d42b70f5d5c drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-12-17 6364 if (instance->adapter_type >= VENTURA_SERIES) {
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6365 fusion->stream_detect_by_ld =
6396bb221514d2 drivers/scsi/megaraid/megaraid_sas_base.c Kees Cook 2018-06-12 6366 kcalloc(MAX_LOGICAL_DRIVES_EXT,
6396bb221514d2 drivers/scsi/megaraid/megaraid_sas_base.c Kees Cook 2018-06-12 6367 sizeof(struct LD_STREAM_DETECT *),
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6368 GFP_KERNEL);
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6369 if (!fusion->stream_detect_by_ld) {
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6370 dev_err(&instance->pdev->dev,
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6371 "unable to allocate stream detection for pool of LDs\n");
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6372 goto fail_get_ld_pd_list;
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6373 }
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6374 for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i) {
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6375 fusion->stream_detect_by_ld[i] =
e05ee4e986d173 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-01-05 6376 kzalloc(sizeof(struct LD_STREAM_DETECT),
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6377 GFP_KERNEL);
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6378 if (!fusion->stream_detect_by_ld[i]) {
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6379 dev_err(&instance->pdev->dev,
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6380 "unable to allocate stream detect by LD\n ");
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6381 goto fail_alloc_stream_detect;
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6382 }
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6383 fusion->stream_detect_by_ld[i]->mru_bit_map
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6384 = MR_STREAM_BITMAP;
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6385 }
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6386 }
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6387
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6388 /*
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6389 * Compute the max allowed sectors per IO: The controller info has two
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6390 * limits on max sectors. Driver should use the minimum of these two.
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6391 *
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6392 * 1 << stripe_sz_ops.min = max sectors per strip
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6393 *
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6394 * Note that older firmwares ( < FW ver 30) didn't report information
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6395 * to calculate max_sectors_1. So the number ended up as zero always.
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6396 */
14faea9f7fe1e8 drivers/scsi/megaraid/megaraid_sas.c bo yang 2007-11-09 6397 tmp_sectors = 0;
9ad18a9c0c972b drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6398 ctrl_info = instance->ctrl_info_buf;
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6399
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6400 max_sectors_1 = (1 << ctrl_info->stripe_sz_ops.min) *
94cd65ddf4d70b drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-09-06 6401 le16_to_cpu(ctrl_info->max_strips_per_io);
94cd65ddf4d70b drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-09-06 6402 max_sectors_2 = le32_to_cpu(ctrl_info->max_request_size);
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6403
14faea9f7fe1e8 drivers/scsi/megaraid/megaraid_sas.c bo yang 2007-11-09 6404 tmp_sectors = min_t(u32, max_sectors_1, max_sectors_2);
404a8a1a891e9e drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6405
8f67c8c518f324 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6406 instance->peerIsPresent = ctrl_info->cluster.peerIsPresent;
8f67c8c518f324 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6407 instance->passive = ctrl_info->cluster.passive;
8f67c8c518f324 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6408 memcpy(instance->clusterId, ctrl_info->clusterId, sizeof(instance->clusterId));
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6409 instance->UnevenSpanSupport =
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6410 ctrl_info->adapterOperations2.supportUnevenSpans;
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6411 if (instance->UnevenSpanSupport) {
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6412 struct fusion_context *fusion = instance->ctrl_context;
5f19f7c879c4aa drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-01-05 6413 if (MR_ValidateMapInfo(instance, instance->map_id))
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6414 fusion->fast_path_io = 1;
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6415 else
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6416 fusion->fast_path_io = 0;
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6417
bc93d425fcb644 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxx 2013-05-22 6418 }
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6419 if (ctrl_info->host_interface.SRIOV) {
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6420 instance->requestorId = ctrl_info->iov.requestorId;
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6421 if (instance->pdev->device == PCI_DEVICE_ID_LSI_PLASMA) {
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6422 if (!ctrl_info->adapterOperations2.activePassive)
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6423 instance->PlasmaFW111 = 1;
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6424
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6425 dev_info(&instance->pdev->dev, "SR-IOV: firmware type: %s\n",
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6426 instance->PlasmaFW111 ? "1.11" : "new");
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6427
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6428 if (instance->PlasmaFW111) {
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6429 iovPtr = (struct IOV_111 *)
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6430 ((unsigned char *)ctrl_info + IOV_111_OFFSET);
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6431 instance->requestorId = iovPtr->requestorId;
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6432 }
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6433 }
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6434 dev_info(&instance->pdev->dev, "SRIOV: VF requestorId %d\n",
92bb6505785b63 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-08-31 6435 instance->requestorId);
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6436 }
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6437
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6438 instance->crash_dump_fw_support =
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6439 ctrl_info->adapterOperations3.supportCrashDump;
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6440 instance->crash_dump_drv_support =
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6441 (instance->crash_dump_fw_support &&
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6442 instance->crash_dump_buf);
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6443 if (instance->crash_dump_drv_support)
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6444 megasas_set_crash_dump_params(instance,
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6445 MR_CRASH_BUF_TURN_OFF);
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6446
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6447 else {
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6448 if (instance->crash_dump_buf)
60ee6529511601 drivers/scsi/megaraid/megaraid_sas_base.c Christoph Hellwig 2018-10-10 6449 dma_free_coherent(&instance->pdev->dev,
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6450 CRASH_DMA_BUF_SIZE,
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6451 instance->crash_dump_buf,
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6452 instance->crash_dump_h);
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6453 instance->crash_dump_buf = NULL;
fc62b3fc902152 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2014-09-12 6454 }
7497cde883b184 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-01-05 6455
f0c21df6528601 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6456 if (instance->snapdump_wait_time) {
f0c21df6528601 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6457 megasas_get_snapdump_properties(instance);
f0c21df6528601 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6458 dev_info(&instance->pdev->dev, "Snap dump wait time\t: %d\n",
f0c21df6528601 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6459 instance->snapdump_wait_time);
f0c21df6528601 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6460 }
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6461
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6462 dev_info(&instance->pdev->dev,
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6463 "pci id\t\t: (0x%04x)/(0x%04x)/(0x%04x)/(0x%04x)\n",
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6464 le16_to_cpu(ctrl_info->pci.vendor_id),
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6465 le16_to_cpu(ctrl_info->pci.device_id),
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6466 le16_to_cpu(ctrl_info->pci.sub_vendor_id),
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6467 le16_to_cpu(ctrl_info->pci.sub_device_id));
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6468 dev_info(&instance->pdev->dev, "unevenspan support : %s\n",
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6469 instance->UnevenSpanSupport ? "yes" : "no");
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6470 dev_info(&instance->pdev->dev, "firmware crash dump : %s\n",
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6471 instance->crash_dump_drv_support ? "yes" : "no");
59db5a931bbe73 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6472 dev_info(&instance->pdev->dev, "JBOD sequence map : %s\n",
59db5a931bbe73 drivers/scsi/megaraid/megaraid_sas_base.c Chandrakanth Patil 2019-06-25 6473 instance->use_seqnum_jbod_fp ? "enabled" : "disabled");
d88da09a538d3a drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6474
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6475 instance->max_sectors_per_req = instance->max_num_sge *
357ae967ad66e3 drivers/scsi/megaraid/megaraid_sas_base.c sumit.saxena@xxxxxxxxxxxxx 2015-10-15 6476 SGE_BUFFER_SIZE / 512;
14faea9f7fe1e8 drivers/scsi/megaraid/megaraid_sas.c bo yang 2007-11-09 6477 if (tmp_sectors && (instance->max_sectors_per_req > tmp_sectors))
14faea9f7fe1e8 drivers/scsi/megaraid/megaraid_sas.c bo yang 2007-11-09 6478 instance->max_sectors_per_req = tmp_sectors;
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6479
c5daa6a91984a2 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2012-07-17 6480 /* Check for valid throttlequeuedepth module parameter */
ae09a6c1fd4218 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-01-05 6481 if (throttlequeuedepth &&
ae09a6c1fd4218 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-01-05 6482 throttlequeuedepth <= instance->max_scsi_cmds)
c5daa6a91984a2 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2012-07-17 6483 instance->throttlequeuedepth = throttlequeuedepth;
ae09a6c1fd4218 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-01-05 6484 else
c5daa6a91984a2 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2012-07-17 6485 instance->throttlequeuedepth =
c5daa6a91984a2 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2012-07-17 6486 MEGASAS_THROTTLE_QUEUE_DEPTH;
c5daa6a91984a2 drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2012-07-17 6487
e636a7a430f41e drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-08-23 6488 if ((resetwaittime < 1) ||
e636a7a430f41e drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-08-23 6489 (resetwaittime > MEGASAS_RESET_WAIT_TIME))
e3d178ca773ff9 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6490 resetwaittime = MEGASAS_RESET_WAIT_TIME;
e3d178ca773ff9 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6491
e3d178ca773ff9 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6492 if ((scmd_timeout < 10) || (scmd_timeout > MEGASAS_DEFAULT_CMD_TIMEOUT))
e3d178ca773ff9 drivers/scsi/megaraid/megaraid_sas_base.c Sumit Saxena 2016-01-28 6493 scmd_timeout = MEGASAS_DEFAULT_CMD_TIMEOUT;
ad84db2e2e1817 drivers/scsi/megaraid/megaraid_sas.c bo yang 2007-11-09 6494
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6495 /* Launch SR-IOV heartbeat timer */
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6496 if (instance->requestorId) {
2e47e4e62e4033 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6497 if (!megasas_sriov_start_heartbeat(instance, 1)) {
c251a7be46b0ee drivers/scsi/megaraid/megaraid_sas_base.c Kees Cook 2017-10-22 6498 megasas_start_timer(instance);
2e47e4e62e4033 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6499 } else {
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6500 instance->skip_heartbeat_timer_del = 1;
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6501 goto fail_alloc_stream_detect;
2e47e4e62e4033 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6502 }
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6503 }
229fe47cd046ef drivers/scsi/megaraid/megaraid_sas_base.c Adam Radford 2014-03-10 6504
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6505 /*
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6506 * Create and start watchdog thread which will monitor
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6507 * controller state every 1 sec and trigger OCR when
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6508 * it enters fault state
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6509 */
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6510 if (instance->adapter_type != MFI_SERIES)
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6511 if (megasas_fusion_start_watchdog(instance) != SUCCESS)
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6512 goto fail_start_watchdog;
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6513
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6514 return 0;
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6515
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6516 fail_start_watchdog:
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6517 if (instance->requestorId && !instance->skip_heartbeat_timer_del)
3f6194af539464 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6518 del_timer_sync(&instance->sriov_heartbeat_timer);
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6519 fail_alloc_stream_detect:
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6520 if (instance->adapter_type >= VENTURA_SERIES) {
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6521 for (i = 0; i < MAX_LOGICAL_DRIVES_EXT; ++i)
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6522 kfree(fusion->stream_detect_by_ld[i]);
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6523 kfree(fusion->stream_detect_by_ld);
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6524 fusion->stream_detect_by_ld = NULL;
f256627cc789b2 drivers/scsi/megaraid/megaraid_sas_base.c Zhipeng Lu 2024-01-17 6525 }
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6526 fail_get_ld_pd_list:
fdd84e2514b015 drivers/scsi/megaraid/megaraid_sas_base.c Sasikumar Chandrasekaran 2017-01-10 6527 instance->instancet->disable_intr(instance);
fad119b707f8cc drivers/scsi/megaraid/megaraid_sas_base.c Hannes Reinecke 2016-12-02 6528 megasas_destroy_irqs(instance);
8a25fa17b6ed6e drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2018-10-16 6529 fail_init_adapter:
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6530 if (instance->msix_vectors)
fad119b707f8cc drivers/scsi/megaraid/megaraid_sas_base.c Hannes Reinecke 2016-12-02 6531 pci_free_irq_vectors(instance->pdev);
d3557fc8be11d2 drivers/scsi/megaraid/megaraid_sas_base.c Sumit.Saxena@xxxxxxxxxxxxx 2015-04-23 6532 instance->msix_vectors = 0;
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6533 fail_alloc_dma_buf:
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6534 megasas_free_ctrl_dma_buffers(instance);
e5d65b4b81af41 drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-10-19 6535 megasas_free_ctrl_mem(instance);
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6536 fail_ready_state:
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6537 iounmap(instance->reg_set);
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6538
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6539 fail_ioremap:
e7f851684efb33 drivers/scsi/megaraid/megaraid_sas_base.c Yinghai Lu 2016-08-05 6540 pci_release_selected_regions(instance->pdev, 1<<instance->bar);
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6541
72bff2d1d0c9cb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6542 dev_err(&instance->pdev->dev, "Failed from %s %d\n",
72bff2d1d0c9cb drivers/scsi/megaraid/megaraid_sas_base.c Shivasharan S 2017-02-10 6543 __func__, __LINE__);
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6544 return -EINVAL;
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6545 }
c4a3e0a529ab3e drivers/scsi/megaraid/megaraid_sas.c Bagalkote, Sreenivas 2005-09-20 6546

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