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lib: sbi: Use sbi_hartmask in sbi_hsm_hart_interruptible_mask()

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This removes several hartid/hartindex conversions, as well as two loops
through the mask for broadcast IPIs.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Samuel Holland
2024-08-30 08:49:13 -07:00
committed by Anup Patel
parent ebe0f31446
commit fe153c5516
6 changed files with 52 additions and 56 deletions
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37
lib/sbi/sbi_hsm.c
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@@ -110,36 +110,27 @@ static void hsm_start_ticket_release(struct sbi_hsm_data *hdata)
}
/**
* Get ulong HART mask for given HART base ID
* Get the mask of harts which are valid IPI targets
* @param dom the domain to be used for output HART mask
* @param hbase the HART base ID
* @param out_hmask the output ulong HART mask
* @param mask the output hartmask to fill
* @return 0 on success and SBI_Exxx (< 0) on failure
* Note: the output HART mask will be set to zero on failure as well.
*/
int sbi_hsm_hart_interruptible_mask(const struct sbi_domain *dom,
ulong hbase, ulong *out_hmask)
struct sbi_hartmask *mask)
{
int hstate;
ulong i, hmask, dmask;
u32 hartindex;
int hstate, ret;
u32 i;
*out_hmask = 0;
if (!sbi_hartid_valid(hbase))
return SBI_EINVAL;
ret = sbi_domain_get_assigned_hartmask(dom, mask);
if (ret)
return ret;
dmask = sbi_domain_get_assigned_hartmask(dom, hbase);
for (i = 0; i < BITS_PER_LONG; i++) {
hmask = 1UL << i;
if (!(dmask & hmask))
continue;
hartindex = sbi_hartid_to_hartindex(hbase + i);
hstate = __sbi_hsm_hart_get_state(hartindex);
if (hstate == SBI_HSM_STATE_STARTED ||
hstate == SBI_HSM_STATE_SUSPENDED ||
hstate == SBI_HSM_STATE_RESUME_PENDING)
*out_hmask |= hmask;
sbi_hartmask_for_each_hartindex(i, mask) {
hstate = __sbi_hsm_hart_get_state(i);
if (hstate != SBI_HSM_STATE_STARTED &&
hstate != SBI_HSM_STATE_SUSPENDED &&
hstate != SBI_HSM_STATE_RESUME_PENDING)
sbi_hartmask_clear_hartindex(i, mask);
}
return 0;