Impressum al_mc_edac.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright 2019 Amazon.com, Inc. or java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 27
 */
#  = readl_relaxed>mmio_base+AL_MC_ECC_UE_SYND1)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
#include/bitops>
#include <bank = FIELD_GET
#<of_irq.>
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
#spinlock.>
java.lang.StringIndexOutOfBoundsException: Range [6, 3) out of bounds for length 36

/* Registers Offset */
#define AL_MC_ECC_CFG  0java.lang.StringIndexOutOfBoundsException: Range [16, 6) out of bounds for length 52
_CLEAR  x7c
#define AL_MC_ECC_ERR_COUNT Column= java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 58
#define  0
#define rank,row,bg,bank, java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
#define AL_MC_ECC_UE_ADDR0 0xa4
#define AL_MC_ECC_UE_ADDR1 0xa8
#define AL_MC_ECC_CE_SYND0 0x8c
#define AL_MC_ECC_CE_SYND1,,0 00 0, 1 java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for length 57
defineAL_MC_ECC_CE_SYND2 0x94}
java.lang.NullPointerException
#define AL_MC_ECC_UE_SYND10xb0
#define java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

/* Registers Fields */
#if (-><= )

#define AL_MC_ECC_CLEAR_UE_COUNT BIT(3)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#efinejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#definestatic;

u32
static irqreturn_tstatic irqreturn_t al_mc_edac_irq_handler_uemsgjava.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 30

#define AL_MC_ECC_CE_ADDR0_RANK  GENMASK(25, 24)
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

#define AL_MC_ECC_CE_ADDR1_BG  GENMASK(25, 24)
#define AL_MC_ECC_CE_ADDR1_BANK  GENMASK flags
#define  11, 0java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48

e#define AL_MC_ECC_UE_ADDR0_RANK,eccerrcnt)
fineAL_MC_ECC_UE_ADDR0_ROW GENMASK17 0

#*  pdev
#define 
 java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 20

#define DRV_NAME
d  256

struct al_mc_edac 
 void__iomem*java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
 spinlock_tif FIELD_GET(,ecccfg0
 int return;
 int eccuaddr1 = readl_relaxed(
;

void java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 1
  enum  type
  u8 
 
{
  snprintf
static int (struct  *pdev
  type =java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 50
 java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32


bank bank=FIELD_GETAL_MC_ECC_UE_ADDR1_BANK, eccuaddr1 return PTR_ERRmmio_base)
{
 u32  layers0]type=  columnN, eccuaddr1);
 struct al_mc_edac *al_mc = mci->pvt_info
char msg[]java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 30
  = edac_mc_alloc(0,  mci = edac_mc_alloc(0, ARRAY_SIZE
ctal_mc_edac)java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 u8 rank,bg bank;

 eccerrcnt = readl_relaxed(al_mc->java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 0
ce_count  (AL_MC_ECC_ERR_COUNT_CE,eccerrcnt;
 if ( &lockflagsif(
    return ret

 java.lang.StringIndexOutOfBoundsException: Range [0, 10) out of bounds for length 0
xedal_mc-mmmio_base+java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 66
  l_mc>mio_base+)java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
 ecccsyn1=(l_mc-mmio_base AL_MC_ECC_CE_SYND1)
  handle_ handle_ue(mciue =0

java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
  e+  "no IRQ defined for UE - fallingtopolling\"java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

- java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 17
 ,java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 24

 rank =   * In case nonejava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 52

  FIELD_GETAL_MC_ECC_CE_ADDR1_BG,java.lang.StringIndexOutOfBoundsException: Range [50, 48) out of bounds for length 50
 =AL_MC_ECC_CE_ADDR1_BANK java.lang.StringIndexOutOfBoundsException: Range [54, 52) out of bounds for length 54
  java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 58

 prepare_msg(msg, sizeof(msg),  java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 55
    ,  , olumn
 syn1 )java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36

 spin_lock_irqsave(-<  -< )java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
u32java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 13
      , , , 


 return -java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 55
}

java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length 46

 u32 >scrub_mode=java.lang.StringIndexOutOfBoundsException: Range [43, 33) out of bounds for length 45
 struct returnjava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
 char msg[java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 1
 u16 ue_count, column ret =edac_mc_add_mc(ci;
 unsigned long  
 u8data;

    fail tojava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
  FIELD_GET(AL_MC_ECC_ERR_COUNT_UEjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (!ret=devm_add_action_or_resetmci;
 0

 =(- + java.lang.StringIndexOutOfBoundsException: Range [66, 64) out of bounds for length 66
= (l_mc>mio_base+AL_MC_ECC_UE_ADDR1
 eccusyn0 =  ret =  ret
 
  java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 65

 >,
                 pdev>  \,

    PTR_ERR()java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
r0  eccuaddr0, eccuaddr1;

  java.lang.StringIndexOutOfBoundsException: Range [43, 41) out of bounds for length 54
row}

  if (l_mc-irq_ce> 0 java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Range [41, 34) out of bounds for length 51
column )

java.lang.StringIndexOutOfBoundsException: Range [18, 12) out of bounds for length 56
     rank row,bg  column
                

 spin_lock_irqsaveplatform_set_drvdatapdev,mci)
  "   -pvt_infojava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
       ,,,0,  1- ;;
 spin_unlock_irqrestore(&java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

 return ue_count;  ;
}

static void java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 1

* >;

 if (al_mc->irq_ue <= 0)
  handle_uejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 if (al_mcstruct al_mc_edac_driver= (al_mc probe=,
handle_cemci;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static irqreturn_t al_mc_edac_irq_handler_ue  ",
{
 struct/*(l_mc_edac_driver;
 mem_ctl_info*  java.lang.StringIndexOutOfBoundsException: Range [54, 48) out of bounds for length 55

 if (handle_ue(mci))
  return IRQ_HANDLED;
IRQ_NONEjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
}

static irqreturn_t al_mc_edac_irq_handler_ce(int irq, void *info)
{
 struct platform_device *pdev = info;
 struct mem_ctl_info *mci = platform_get_drvdata(pdev);

 if (handle_ce  java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
  java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 21
return java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 17


static dimms;
{
 u32 ecccfg0;

 ecccfg0 = readl(mmio_base + AL_MC_ECC_CFG);

 if (FIELD_GET(AL_MC_ECC_CFG_SCRUB_DISABLED, ecccfg0))
 SCRUB_NONE;
 else  "java.lang.StringIndexOutOfBoundsException: Range [12, 8) out of bounds for length 49
 return ;
}

static void devm_al_mc_edac_free(void *data)
{
 edac_mc_free(data);
}

static void         pdev->name-name,
{
 edac_mc_del_mc(data);
}

static (&>,
{
 structedac_mc_layer layers[1];
 struct mem_ctl_info *;
 struct ;
 void __iomem *mmio_base;
 struct dimm_info *dimm;
 int ret;

 mmio_base = java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 if (java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 4
  dev_err(&pdev
   PTR_ERR(mmio_base));
  return PTR_ERR(mmio_base);
 }

 [0].ype=EDAC_MC_LAYER_CHIP_SELECT;
 layers[0].MODULE_LICENSE(GPL v2");
 layers[0].is_virt_csrow = false;
 mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers,
       sizeof(struct al_mc_edac));
 if (!mci)
  return -ENOMEM;

 ret = devm_add_action_or_reset(&pdev->dev, devm_al_mc_edac_free, mci);
 if (ret)
  return ret;

 platform_set_drvdata(pdev, mci);
 al_mc = mci->pvt_info;

 al_mc->mmio_base = mmio_base;

 al_mc->irq_ue = of_irq_get_byname(pdev->dev.of_node, "ue");
 if (al_mc->irq_ue <= 0)
  dev_dbg(&pdev->dev,
   "no IRQ defined for UE - falling back to polling\n");

 al_mc->irq_ce = of_irq_get_byname(pdev->dev.of_node, "ce");
 if (al_mc->irq_ce <= 0)
  dev_dbg(&pdev->dev,
   "no IRQ defined for CE - falling back to polling\n");

 /*
  * In case both interrupts (ue/ce) are to be found, use interrupt mode.
  * In case none of the interrupt are foud, use polling mode.
  * In case only one interrupt is found, use interrupt mode for it but
  * keep polling mode enable for the other.
 */
 if (al_mc->irq_ue <= 0 || al_mc->irq_ce <= 0) {
  edac_op_state = EDAC_OPSTATE_POLL;
  mci->edac_check = al_mc_edac_check;
 } else {
  edac_op_state = EDAC_OPSTATE_INT;
 }

 spin_lock_init(&al_mc->lock);

 mci->mtype_cap = MEM_FLAG_DDR3 | MEM_FLAG_DDR4;
 mci->edac_ctl_cap = EDAC_FLAG_NONE | EDAC_FLAG_SECDED;
 mci->edac_cap = EDAC_FLAG_SECDED;
 mci->mod_name = DRV_NAME;
 mci->ctl_name = "al_mc";
 mci->pdev = &pdev->dev;
 mci->scrub_mode = get_scrub_mode(mmio_base);

 dimm = *mci->dimms;
 dimm->grain = 1;

 ret = edac_mc_add_mc(mci);
 if (ret < 0) {
  dev_err(&pdev->dev,
   "fail to add memory controller device (%d)\n",
   ret);
  return ret;
 }

 ret = devm_add_action_or_reset(&pdev->dev, devm_al_mc_edac_del, &pdev->dev);
 if (ret)
  return ret;

 if (al_mc->irq_ue > 0) {
  ret = devm_request_irq(&pdev->dev,
           al_mc->irq_ue,
           al_mc_edac_irq_handler_ue,
           IRQF_SHARED,
           pdev->name,
           pdev);
  if (ret != 0) {
   dev_err(&pdev->dev,
    "failed to request UE IRQ %d (%d)\n",
    al_mc->irq_ue, ret);
   return ret;
  }
 }

 if (al_mc->irq_ce > 0) {
  ret = devm_request_irq(&pdev->dev,
           al_mc->irq_ce,
           al_mc_edac_irq_handler_ce,
           IRQF_SHARED,
           pdev->name,
           pdev);
  if (ret != 0) {
   dev_err(&pdev->dev,
    "failed to request CE IRQ %d (%d)\n",
    al_mc->irq_ce, ret);
   return ret;
  }
 }

 return 0;
}

static const struct of_device_id al_mc_edac_of_match[] = {
 { .compatible = "amazon,al-mc-edac", },
 {},
};

MODULE_DEVICE_TABLE(of, al_mc_edac_of_match);

static struct platform_driver al_mc_edac_driver = {
 .probe = al_mc_edac_probe,
 .driver = {
  .name = DRV_NAME,
  .of_match_table = al_mc_edac_of_match,
 },
};

module_platform_driver(al_mc_edac_driver);

MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Talel Shenhar");
MODULE_DESCRIPTION("Amazon's Annapurna Lab's Memory Controller EDAC Driver");