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IB/ipath: Support multiple simultaneous devices of different types 

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>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Bryan O'Sullivan 2006-09-28 09:00:11 -07:00 committed by Roland Dreier
parent 5659416207
commit f62fe77ad2
7 changed files with 81 additions and 63 deletions
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10
drivers/infiniband/hw/ipath/ipath_driver.c
View File

@ -95,16 +95,6 @@ const char *ipath_ibcstatus_str[] = {
"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 *,
const struct pci_device_id *);

16
drivers/infiniband/hw/ipath/ipath_eeprom.c
View File

@ -100,9 +100,9 @@ static int i2c_gpio_set(struct ipath_devdata *dd,
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_devdata *dd,
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_devdata *dd,
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);

30
drivers/infiniband/hw/ipath/ipath_iba6110.c
View File

@ -252,8 +252,8 @@ static const struct ipath_cregs ipath_ht_cregs = {
};
/* 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(struct ipath_devdata *dd, char *msg,
"(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) {
@ -1058,21 +1058,21 @@ static void ipath_setup_ht_setextled(struct ipath_devdata *dd,
ipath_write_kreg(dd, dd->ipath_kregs->kr_extctrl, extctl);
}
static void ipath_init_ht_variables(void)
static void ipath_init_ht_variables(struct ipath_devdata *dd)
{
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;
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 |
@ -1090,7 +1090,7 @@ 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 <<
@ -1119,8 +1119,8 @@ 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;
}
/**
@ -1585,5 +1585,5 @@ void ipath_init_iba6110_funcs(struct ipath_devdata *dd)
* do very early init that is needed before ipath_f_bus is
* called
*/
ipath_init_ht_variables();
ipath_init_ht_variables(dd);
}

30
drivers/infiniband/hw/ipath/ipath_iba6120.c
View File

@ -263,8 +263,8 @@ static const struct ipath_cregs ipath_pe_cregs = {
};
/* 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(struct ipath_devdata *dd, char *msg,
"(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 ipath_devdata *dd,
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 ipath_devdata *dd)
dd->ipath_kregs = &ipath_pe_kregs;
dd->ipath_cregs = &ipath_pe_cregs;
ipath_init_pe_variables();
ipath_init_pe_variables(dd);
}

16
drivers/infiniband/hw/ipath/ipath_intr.c
View File

@ -480,10 +480,10 @@ static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
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_devdata *dd, u32 istat)
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 *data, struct pt_regs *regs)
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 *data, struct pt_regs *regs)
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);

24
drivers/infiniband/hw/ipath/ipath_kernel.h
View File

@ -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 */

18
drivers/infiniband/hw/ipath/ipath_registers.h
View File

@ -316,6 +316,17 @@
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;
@ -323,13 +334,6 @@ 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).
* The kernel registers are used directly, those beyond the kernel