diff options
| author | Anup Patel <anup.patel@oss.qualcomm.com> | 2026-02-13 11:23:39 +0530 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2026-03-22 10:53:33 +0530 |
| commit | b55bb4cdcb298c12a316713d6cc7948973c14f9b (patch) | |
| tree | c6ff86c0798e3ed42ba15c0e5f033ca529b3853b /include | |
| parent | 5a300b32d546d226e55361e47d07b1c9171f07c8 (diff) | |
| download | opensbi-b55bb4cdcb298c12a316713d6cc7948973c14f9b.tar.gz opensbi-b55bb4cdcb298c12a316713d6cc7948973c14f9b.tar.bz2 opensbi-b55bb4cdcb298c12a316713d6cc7948973c14f9b.zip | |
lib: sbi_irqchip: Support irqchip device targetting subset of harts
It is possible to have platform where an irqchip device targets
a subset of harts and there are multiple irqchip devices to cover
all harts.
To support this scenario:
1) Add target_harts hartmask to struct sbi_irqchip_device which
represents the set of harts targetted by the irqchip device
2) Call warm_init() and process_hwirqs() callbacks of an irqchip
device on a hart only if irqchip device targets that particular
hart
Signed-off-by: Anup Patel <anup.patel@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260213055342.3124872-6-anup.patel@oss.qualcomm.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/sbi/sbi_irqchip.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/sbi/sbi_irqchip.h b/include/sbi/sbi_irqchip.h index cda1e50f..c3ded271 100644 --- a/include/sbi/sbi_irqchip.h +++ b/include/sbi/sbi_irqchip.h @@ -10,6 +10,7 @@ #ifndef __SBI_IRQCHIP_H__ #define __SBI_IRQCHIP_H__ +#include <sbi/sbi_hartmask.h> #include <sbi/sbi_list.h> #include <sbi/sbi_types.h> @@ -20,11 +21,14 @@ struct sbi_irqchip_device { /** Node in the list of irqchip devices */ struct sbi_dlist node; + /** Set of harts targetted by this irqchip */ + struct sbi_hartmask target_harts; + /** Initialize per-hart state for the current hart */ int (*warm_init)(struct sbi_irqchip_device *chip); /** Process hardware interrupts from this irqchip */ - int (*process_hwirqs)(void); + int (*process_hwirqs)(struct sbi_irqchip_device *chip); }; /** @@ -38,7 +42,7 @@ struct sbi_irqchip_device { int sbi_irqchip_process(void); /** Register an irqchip device to receive callbacks */ -void sbi_irqchip_add_device(struct sbi_irqchip_device *chip); +int sbi_irqchip_add_device(struct sbi_irqchip_device *chip); /** Initialize interrupt controllers */ int sbi_irqchip_init(struct sbi_scratch *scratch, bool cold_boot); |