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rtkit: Apply "asc-dram-mask" consistently

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Required for DCP on M2 which requires 36-bit IOVA space.

Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2023-02-01 16:22:45 +01:00 committed by Hector Martin
parent 6466f8dec8
commit f68a842ab7
1 changed files with 3 additions and 2 deletions
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5
src/rtkit.c
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@ -225,6 +225,7 @@ bool rtkit_unmap(rtkit_dev_t *rtk, u64 dva, size_t sz)
rtkit_printf("sart_remove_allowed_region failed (0x%lx, 0x%lx)\n", dva, sz);
return true;
} else if (rtk->dart) {
dva &= ~rtk->dva_base;
dart_unmap(rtk->dart, dva & IOVA_MASK, sz);
iova_free(rtk->dart_iovad, dva & IOVA_MASK, sz);
return true;
@ -277,7 +278,7 @@ static bool rtkit_handle_buffer_request(rtkit_dev_t *rtk, struct rtkit_message *
u64 addr = FIELD_GET(MSG_BUFFER_REQUEST_IOVA, msg->msg);
if (addr) {
bfr->dva = addr;
bfr->dva = addr & ~rtk->dva_base;
bfr->sz = sz;
bfr->bfr = dart_translate(rtk->dart, bfr->dva & IOVA_MASK);
if (!bfr->bfr) {
@ -302,7 +303,7 @@ static bool rtkit_handle_buffer_request(rtkit_dev_t *rtk, struct rtkit_message *
reply.msg0 = FIELD_PREP(MGMT_TYPE, MSG_BUFFER_REQUEST);
reply.msg0 |= FIELD_PREP(MSG_BUFFER_REQUEST_SIZE, n_4kpages);
if (!addr)
reply.msg0 |= FIELD_PREP(MSG_BUFFER_REQUEST_IOVA, bfr->dva);
reply.msg0 |= FIELD_PREP(MSG_BUFFER_REQUEST_IOVA, bfr->dva | rtk->dva_base);
if (!asc_send(rtk->asc, &reply)) {
rtkit_printf("unable to send buffer reply\n");