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drivers/pcie: Add a marco for fixed or MSI IRQ

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This is meant to be called by drivers on PCIe BUS with a fixed (from
DTS) IRQ or an MSI one. I.e.: all drivers without a runtime IRQ
detection/allocation.

The arch-specific macro is required to be implemented relevantly.

Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
This commit is contained in:
Tomasz Bursztyka 2021-03-16 09:29:37 +01:00 • committed by Anas Nashif
commit b5ad9739df
2 changed files with 27 additions and 0 deletions
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19
include/drivers/pcie/pcie.h
View file

@ -313,6 +313,25 @@ extern bool pcie_connect_dynamic_irq(pcie_bdf_t bdf,
#define PCIE_MAX_DEV (0xFFFFFFFF & PCIE_BDF_DEV_MASK)
#define PCIE_MAX_FUNC (0xFFFFFFFF & PCIE_BDF_FUNC_MASK)
/**
* @brief Initialize an interrupt handler for a PCIe endpoint IRQ
*
* This routine is only meant to be used by drivers using PCIe bus and having
* fixed or MSI based IRQ (so no runtime detection of the IRQ). In case
* of runtime detection see pcie_connect_dynamic_irq()
*
* @param bdf_p PCIe endpoint BDF
* @param irq_p IRQ line number.
* @param priority_p Interrupt priority.
* @param isr_p Address of interrupt service routine.
* @param isr_param_p Parameter passed to interrupt service routine.
* @param flags_p Architecture-specific IRQ configuration flags..
*/
#define PCIE_IRQ_CONNECT(bdf_p, irq_p, priority_p, \
isr_p, isr_param_p, flags_p) \
ARCH_PCIE_IRQ_CONNECT(bdf_p, irq_p, priority_p, \
isr_p, isr_param_p, flags_p)
#ifdef __cplusplus
}
#endif

8
include/sys/arch_interface.h
View file

@ -313,6 +313,14 @@ int arch_irq_connect_dynamic(unsigned int irq, unsigned int priority,
* @see IRQ_CONNECT()
*/
#ifdef CONFIG_PCIE
/**
* @def ARCH_PCIE_IRQ_CONNECT(bdf, irq, pri, isr, arg, flags)
*
* @see PCIE_IRQ_CONNECT()
*/
#endif /* CONFIG_PCIE */
/**
* @def ARCH_IRQ_DIRECT_CONNECT(irq_p, priority_p, isr_p, flags_p)
*