From: "Bryan O'Sullivan" <bos@pathscale.com>
To: rdreier@cisco.com
Cc: linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: [PATCH 15 of 28] IB/ipath - support multiple simultaneous devices of different types
Date: Thu, 28 Sep 2006 09:00:11 -0700 [thread overview]
Message-ID: <dcf5ac390abd8d130212.1159459211@eng-12.pathscale.com> (raw)
In-Reply-To: <patchbomb.1159459196@eng-12.pathscale.com>
Prior to this change, the driver was not able to support a HT and PCIE
card simultaneously present in the same machine.
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_driver.c
--- a/drivers/infiniband/hw/ipath/ipath_driver.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c Thu Sep 28 08:57:12 2006 -0700
@@ -94,16 +94,6 @@ const char *ipath_ibcstatus_str[] = {
"RecovWaitRmt",
"RecovIdle",
};
-
-/*
- * These variables are initialized in the chip-specific files
- * but are defined here.
- */
-u16 ipath_gpio_sda_num, ipath_gpio_scl_num;
-u64 ipath_gpio_sda, ipath_gpio_scl;
-u64 infinipath_i_bitsextant;
-ipath_err_t infinipath_e_bitsextant, infinipath_hwe_bitsextant;
-u32 infinipath_i_rcvavail_mask, infinipath_i_rcvurg_mask;
static void __devexit ipath_remove_one(struct pci_dev *);
static int __devinit ipath_init_one(struct pci_dev *,
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_eeprom.c
--- a/drivers/infiniband/hw/ipath/ipath_eeprom.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_eeprom.c Thu Sep 28 08:57:12 2006 -0700
@@ -100,9 +100,9 @@ static int i2c_gpio_set(struct ipath_dev
gpioval = &dd->ipath_gpio_out;
read_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extctrl);
if (line == i2c_line_scl)
- mask = ipath_gpio_scl;
+ mask = dd->ipath_gpio_scl;
else
- mask = ipath_gpio_sda;
+ mask = dd->ipath_gpio_sda;
if (new_line_state == i2c_line_high)
/* tri-state the output rather than force high */
@@ -119,12 +119,12 @@ static int i2c_gpio_set(struct ipath_dev
write_val = 0x0UL;
if (line == i2c_line_scl) {
- write_val <<= ipath_gpio_scl_num;
- *gpioval = *gpioval & ~(1UL << ipath_gpio_scl_num);
+ write_val <<= dd->ipath_gpio_scl_num;
+ *gpioval = *gpioval & ~(1UL << dd->ipath_gpio_scl_num);
*gpioval |= write_val;
} else {
- write_val <<= ipath_gpio_sda_num;
- *gpioval = *gpioval & ~(1UL << ipath_gpio_sda_num);
+ write_val <<= dd->ipath_gpio_sda_num;
+ *gpioval = *gpioval & ~(1UL << dd->ipath_gpio_sda_num);
*gpioval |= write_val;
}
ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_out, *gpioval);
@@ -157,9 +157,9 @@ static int i2c_gpio_get(struct ipath_dev
read_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extctrl);
/* config line to be an input */
if (line == i2c_line_scl)
- mask = ipath_gpio_scl;
+ mask = dd->ipath_gpio_scl;
else
- mask = ipath_gpio_sda;
+ mask = dd->ipath_gpio_sda;
write_val = read_val & ~mask;
ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, write_val);
read_val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_extstatus);
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_iba6110.c
--- a/drivers/infiniband/hw/ipath/ipath_iba6110.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c Thu Sep 28 08:57:12 2006 -0700
@@ -252,8 +252,8 @@ static const struct ipath_cregs ipath_ht
};
/* kr_intstatus, kr_intclear, kr_intmask bits */
-#define INFINIPATH_I_RCVURG_MASK 0x1FF
-#define INFINIPATH_I_RCVAVAIL_MASK 0x1FF
+#define INFINIPATH_I_RCVURG_MASK ((1U<<9)-1)
+#define INFINIPATH_I_RCVAVAIL_MASK ((1U<<9)-1)
/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
#define INFINIPATH_HWE_HTCMEMPARITYERR_SHIFT 0
@@ -457,10 +457,10 @@ static void ipath_ht_handle_hwerrors(str
"(cleared)\n", (unsigned long long) hwerrs);
dd->ipath_lasthwerror |= hwerrs;
- if (hwerrs & ~infinipath_hwe_bitsextant)
+ if (hwerrs & ~dd->ipath_hwe_bitsextant)
ipath_dev_err(dd, "hwerror interrupt with unknown errors "
"%llx set\n", (unsigned long long)
- (hwerrs & ~infinipath_hwe_bitsextant));
+ (hwerrs & ~dd->ipath_hwe_bitsextant));
ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
if (ctrl & INFINIPATH_C_FREEZEMODE) {
@@ -1059,21 +1059,21 @@ static void ipath_setup_ht_setextled(str
ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
}
-static void ipath_init_ht_variables(void)
-{
- ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
- ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
- ipath_gpio_sda = IPATH_GPIO_SDA;
- ipath_gpio_scl = IPATH_GPIO_SCL;
-
- infinipath_i_bitsextant =
+static void ipath_init_ht_variables(struct ipath_devdata *dd)
+{
+ dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
+ dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
+ dd->ipath_gpio_sda = IPATH_GPIO_SDA;
+ dd->ipath_gpio_scl = IPATH_GPIO_SCL;
+
+ dd->ipath_i_bitsextant =
(INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
(INFINIPATH_I_RCVAVAIL_MASK <<
INFINIPATH_I_RCVAVAIL_SHIFT) |
INFINIPATH_I_ERROR | INFINIPATH_I_SPIOSENT |
INFINIPATH_I_SPIOBUFAVAIL | INFINIPATH_I_GPIO;
- infinipath_e_bitsextant =
+ dd->ipath_e_bitsextant =
INFINIPATH_E_RFORMATERR | INFINIPATH_E_RVCRC |
INFINIPATH_E_RICRC | INFINIPATH_E_RMINPKTLEN |
INFINIPATH_E_RMAXPKTLEN | INFINIPATH_E_RLONGPKTLEN |
@@ -1091,7 +1091,7 @@ static void ipath_init_ht_variables(void
INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET |
INFINIPATH_E_HARDWARE;
- infinipath_hwe_bitsextant =
+ dd->ipath_hwe_bitsextant =
(INFINIPATH_HWE_HTCMEMPARITYERR_MASK <<
INFINIPATH_HWE_HTCMEMPARITYERR_SHIFT) |
(INFINIPATH_HWE_TXEMEMPARITYERR_MASK <<
@@ -1120,8 +1120,8 @@ static void ipath_init_ht_variables(void
INFINIPATH_HWE_IBCBUSTOSPCPARITYERR |
INFINIPATH_HWE_IBCBUSFRSPCPARITYERR;
- infinipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
- infinipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
+ dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
+ dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
}
/**
@@ -1586,5 +1586,5 @@ void ipath_init_iba6110_funcs(struct ipa
* do very early init that is needed before ipath_f_bus is
* called
*/
- ipath_init_ht_variables();
-}
+ ipath_init_ht_variables(dd);
+}
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_iba6120.c
--- a/drivers/infiniband/hw/ipath/ipath_iba6120.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c Thu Sep 28 08:57:12 2006 -0700
@@ -263,8 +263,8 @@ static const struct ipath_cregs ipath_pe
};
/* kr_intstatus, kr_intclear, kr_intmask bits */
-#define INFINIPATH_I_RCVURG_MASK 0x1F
-#define INFINIPATH_I_RCVAVAIL_MASK 0x1F
+#define INFINIPATH_I_RCVURG_MASK ((1U<<5)-1)
+#define INFINIPATH_I_RCVAVAIL_MASK ((1U<<5)-1)
/* kr_hwerrclear, kr_hwerrmask, kr_hwerrstatus, bits */
#define INFINIPATH_HWE_PCIEMEMPARITYERR_MASK 0x000000000000003fULL
@@ -376,10 +376,10 @@ static void ipath_pe_handle_hwerrors(str
"(cleared)\n", (unsigned long long) hwerrs);
dd->ipath_lasthwerror |= hwerrs;
- if (hwerrs & ~infinipath_hwe_bitsextant)
+ if (hwerrs & ~dd->ipath_hwe_bitsextant)
ipath_dev_err(dd, "hwerror interrupt with unknown errors "
"%llx set\n", (unsigned long long)
- (hwerrs & ~infinipath_hwe_bitsextant));
+ (hwerrs & ~dd->ipath_hwe_bitsextant));
ctrl = ipath_read_kreg32(dd, dd->ipath_kregs->kr_control);
if (ctrl & INFINIPATH_C_FREEZEMODE) {
@@ -865,19 +865,19 @@ static int ipath_setup_pe_config(struct
return 0;
}
-static void ipath_init_pe_variables(void)
+static void ipath_init_pe_variables(struct ipath_devdata *dd)
{
/*
* bits for selecting i2c direction and values,
* used for I2C serial flash
*/
- ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
- ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
- ipath_gpio_sda = IPATH_GPIO_SDA;
- ipath_gpio_scl = IPATH_GPIO_SCL;
+ dd->ipath_gpio_sda_num = _IPATH_GPIO_SDA_NUM;
+ dd->ipath_gpio_scl_num = _IPATH_GPIO_SCL_NUM;
+ dd->ipath_gpio_sda = IPATH_GPIO_SDA;
+ dd->ipath_gpio_scl = IPATH_GPIO_SCL;
/* variables for sanity checking interrupt and errors */
- infinipath_hwe_bitsextant =
+ dd->ipath_hwe_bitsextant =
(INFINIPATH_HWE_RXEMEMPARITYERR_MASK <<
INFINIPATH_HWE_RXEMEMPARITYERR_SHIFT) |
(INFINIPATH_HWE_PCIEMEMPARITYERR_MASK <<
@@ -895,13 +895,13 @@ static void ipath_init_pe_variables(void
INFINIPATH_HWE_SERDESPLLFAILED |
INFINIPATH_HWE_IBCBUSTOSPCPARITYERR |
INFINIPATH_HWE_IBCBUSFRSPCPARITYERR;
- infinipath_i_bitsextant =
+ dd->ipath_i_bitsextant =
(INFINIPATH_I_RCVURG_MASK << INFINIPATH_I_RCVURG_SHIFT) |
(INFINIPATH_I_RCVAVAIL_MASK <<
INFINIPATH_I_RCVAVAIL_SHIFT) |
INFINIPATH_I_ERROR | INFINIPATH_I_SPIOSENT |
INFINIPATH_I_SPIOBUFAVAIL | INFINIPATH_I_GPIO;
- infinipath_e_bitsextant =
+ dd->ipath_e_bitsextant =
INFINIPATH_E_RFORMATERR | INFINIPATH_E_RVCRC |
INFINIPATH_E_RICRC | INFINIPATH_E_RMINPKTLEN |
INFINIPATH_E_RMAXPKTLEN | INFINIPATH_E_RLONGPKTLEN |
@@ -919,8 +919,8 @@ static void ipath_init_pe_variables(void
INFINIPATH_E_INVALIDADDR | INFINIPATH_E_RESET |
INFINIPATH_E_HARDWARE;
- infinipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
- infinipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
+ dd->ipath_i_rcvavail_mask = INFINIPATH_I_RCVAVAIL_MASK;
+ dd->ipath_i_rcvurg_mask = INFINIPATH_I_RCVURG_MASK;
}
/* setup the MSI stuff again after a reset. I'd like to just call
@@ -1326,6 +1326,6 @@ void ipath_init_iba6120_funcs(struct ipa
dd->ipath_kregs = &ipath_pe_kregs;
dd->ipath_cregs = &ipath_pe_cregs;
- ipath_init_pe_variables();
-}
-
+ ipath_init_pe_variables(dd);
+}
+
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_intr.c
--- a/drivers/infiniband/hw/ipath/ipath_intr.c Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c Thu Sep 28 08:57:12 2006 -0700
@@ -480,10 +480,10 @@ static int handle_errors(struct ipath_de
dd->ipath_f_handle_hwerrors(dd, msg, sizeof msg);
}
- if (!noprint && (errs & ~infinipath_e_bitsextant))
+ if (!noprint && (errs & ~dd->ipath_e_bitsextant))
ipath_dev_err(dd, "error interrupt with unknown errors "
"%llx set\n", (unsigned long long)
- (errs & ~infinipath_e_bitsextant));
+ (errs & ~dd->ipath_e_bitsextant));
if (errs & E_SUM_ERRS)
ignore_this_time = handle_e_sum_errs(dd, errs);
@@ -805,9 +805,9 @@ static void handle_urcv(struct ipath_dev
int rcvdint = 0;
portr = ((istat >> INFINIPATH_I_RCVAVAIL_SHIFT) &
- infinipath_i_rcvavail_mask)
+ dd->ipath_i_rcvavail_mask)
| ((istat >> INFINIPATH_I_RCVURG_SHIFT) &
- infinipath_i_rcvurg_mask);
+ dd->ipath_i_rcvurg_mask);
for (i = 1; i < dd->ipath_cfgports; i++) {
struct ipath_portdata *pd = dd->ipath_pd[i];
if (portr & (1 << i) && pd && pd->port_cnt &&
@@ -914,10 +914,10 @@ irqreturn_t ipath_intr(int irq, void *da
if (unexpected)
unexpected = 0;
- if (unlikely(istat & ~infinipath_i_bitsextant))
+ if (unlikely(istat & ~dd->ipath_i_bitsextant))
ipath_dev_err(dd,
"interrupt with unknown interrupts %x set\n",
- istat & (u32) ~ infinipath_i_bitsextant);
+ istat & (u32) ~ dd->ipath_i_bitsextant);
else
ipath_cdbg(VERBOSE, "intr stat=0x%x\n", istat);
@@ -1041,9 +1041,9 @@ irqreturn_t ipath_intr(int irq, void *da
istat &= ~port0rbits;
}
- if (istat & ((infinipath_i_rcvavail_mask <<
+ if (istat & ((dd->ipath_i_rcvavail_mask <<
INFINIPATH_I_RCVAVAIL_SHIFT)
- | (infinipath_i_rcvurg_mask <<
+ | (dd->ipath_i_rcvurg_mask <<
INFINIPATH_I_RCVURG_SHIFT)))
handle_urcv(dd, istat);
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_kernel.h
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h Thu Sep 28 08:57:12 2006 -0700
@@ -533,6 +533,30 @@ struct ipath_devdata {
u32 ipath_rxfc_unsupvl_errs;
u32 ipath_overrun_thresh_errs;
u32 ipath_lli_errs;
+
+ /*
+ * Not all devices managed by a driver instance are the same
+ * type, so these fields must be per-device.
+ */
+ u64 ipath_i_bitsextant;
+ ipath_err_t ipath_e_bitsextant;
+ ipath_err_t ipath_hwe_bitsextant;
+
+ /*
+ * Below should be computable from number of ports,
+ * since they are never modified.
+ */
+ u32 ipath_i_rcvavail_mask;
+ u32 ipath_i_rcvurg_mask;
+
+ /*
+ * Register bits for selecting i2c direction and values, used for
+ * I2C serial flash.
+ */
+ u16 ipath_gpio_sda_num;
+ u16 ipath_gpio_scl_num;
+ u64 ipath_gpio_sda;
+ u64 ipath_gpio_scl;
};
/* Private data for file operations */
diff -r 42f82d2c62bc -r dcf5ac390abd drivers/infiniband/hw/ipath/ipath_registers.h
--- a/drivers/infiniband/hw/ipath/ipath_registers.h Thu Sep 28 08:57:12 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h Thu Sep 28 08:57:12 2006 -0700
@@ -316,19 +316,23 @@
typedef u64 ipath_err_t;
+/* The following change with the type of device, so
+ * need to be part of the ipath_devdata struct, or
+ * we could have problems plugging in devices of
+ * different types (e.g. one HT, one PCIE)
+ * in one system, to be managed by one driver.
+ * On the other hand, this file is may also be included
+ * by other code, so leave the declarations here
+ * temporarily. Minor footprint issue if common-model
+ * linker used, none if C89+ linker used.
+ */
+
/* mask of defined bits for various registers */
extern u64 infinipath_i_bitsextant;
extern ipath_err_t infinipath_e_bitsextant, infinipath_hwe_bitsextant;
/* masks that are different in various chips, or only exist in some chips */
extern u32 infinipath_i_rcvavail_mask, infinipath_i_rcvurg_mask;
-
-/*
- * register bits for selecting i2c direction and values, used for I2C serial
- * flash
- */
-extern u16 ipath_gpio_sda_num, ipath_gpio_scl_num;
-extern u64 ipath_gpio_sda, ipath_gpio_scl;
/*
* These are the infinipath general register numbers (not offsets).
next prev parent reply other threads:[~2006-09-28 16:06 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-28 15:59 [PATCH 0 of 28] ipath patches for 2.6.19 Bryan O'Sullivan
2006-09-28 15:59 ` [PATCH 1 of 28] IB/ipath - limit # of packets sent without an ACK received Bryan O'Sullivan
2006-09-28 18:16 ` Roland Dreier
2006-09-28 18:33 ` Bryan O'Sullivan
2006-09-28 15:59 ` [PATCH 2 of 28] IB/ipath - fix memory leak if allocation fails Bryan O'Sullivan
2006-09-28 15:59 ` [PATCH 3 of 28] IB/ipath - driver support for userspace sharing of HW contexts Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 4 of 28] IB/ipath - support revision 2 InfiniPath PCIE devices Bryan O'Sullivan
2006-09-28 18:15 ` Roland Dreier
2006-09-28 16:00 ` [PATCH 5 of 28] IB/ipath - unregister from IB core early Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 6 of 28] IB/ipath - clean up handling of GUID 0 Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 7 of 28] IB/ipath - lock and count allocated CQs properly Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 8 of 28] IB/ipath - count SRQs properly Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 9 of 28] IB/ipath - only allow complete writes to flash Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 10 of 28] IB/ipath - RC and UC should validate SLID and DLID Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 11 of 28] IB/ipath - ensure that PD of MR matches PD of QP checking the Rkey Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 12 of 28] IB/ipath - print more informative parity error messages Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 13 of 28] IB/ipath - fix compiler warnings and errors on non-x86_64 systems Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 14 of 28] IB/ipath - Fix mismatch in shifts and masks for printing debug info Bryan O'Sullivan
2006-09-28 16:00 ` Bryan O'Sullivan [this message]
2006-09-28 16:00 ` [PATCH 16 of 28] IB/ipath - drop unnecessary "(void *)" casts Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 17 of 28] IB/ipath - improved support for powerpc Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 18 of 28] IB/ipath - flush RWQEs if access error or invalid error seen Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 19 of 28] IB/ipath - call mtrr_del with correct arguments Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 20 of 28] IB/ipath - clean up module exit code Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 21 of 28] IB/ipath - change HT CRC message to indicate how to resolve problem Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 22 of 28] IB/ipath - fix and recover TXE piobuf and PBC parity errors Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 23 of 28] IB/ipath - fix EEPROM read when driver is compiled with -Os Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 24 of 28] IB/mthca - Fix compiler warnings with gcc4 on possible unitialized variables Bryan O'Sullivan
2006-09-28 18:14 ` Roland Dreier
2006-09-28 20:46 ` Jeremy Fitzhardinge
2006-09-28 16:00 ` [PATCH 25 of 28] IB/ipath - Set CPU affinity early Bryan O'Sullivan
2006-09-28 18:15 ` Roland Dreier
2006-09-28 16:00 ` [PATCH 26 of 28] IB/ipath - support new PCIE device, QLE7142 Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 27 of 28] IB/ipath - fix races with ib_resize_cq() Bryan O'Sullivan
2006-09-28 16:00 ` [PATCH 28 of 28] IB/ipath - fix lockdep error upon "ifconfig ibN down" Bryan O'Sullivan
2006-09-30 0:36 ` [PATCH 0 of 28] ipath patches for 2.6.19 Eric W. Biederman
2006-10-02 18:14 ` Bryan O'Sullivan
2006-10-03 1:22 ` Eric W. Biederman
2006-10-03 15:25 ` Bryan O'Sullivan
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