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ahci: fix identify pss

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Matheus
2026-03-02 20:42:31 -03:00
parent 9e4900d531
commit b086212f21
1 changed files with 11 additions and 7 deletions
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kernel-src/io/block/ahci.c
+11 -7
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@@ -70,6 +70,7 @@ typedef struct {
#define SIG_ATA 0x101
#define IE_D2H 1
#define IE_PSS 2
#define IE_IFE (1 << 27)
#define IE_HBDE (1 << 28)
#define IE_HBFE (1 << 29)
@@ -401,10 +402,6 @@ static int read(void *private, iovec_iterator_t *buffer, uintmax_t lba, size_t c
}
static void init_port(ahci_t *ahci, int port) {
// check if somethin is actually connected and if it is something we care about
if (SSTS_DET(ahci->ports[port].ssts) != SSTS_DET_OK || ahci->ports[port].sig != SIG_ATA)
return;
// send identify command
identify_t *identify_phys = pmm_allocpage(PMM_SECTION_DEFAULT);
__assert(identify_phys);
@@ -546,6 +543,13 @@ static void init_controller(pcienum_t *pci_enum) {
}
}
// check if somethin is actually connected and if it is something we care about
if (SSTS_DET(ahci->ports[i].ssts) != SSTS_DET_OK || ahci->ports[i].sig != SIG_ATA) {
ahci->implemented_ports &= ~(1 << i);
continue;
}
// program command list base
void *cmd_ptr = (void *)((uintptr_t)command_slot_mem + command_slot_offset);
memset(MAKE_HHDM(cmd_ptr), 0, 1024);
@@ -581,7 +585,7 @@ static void init_controller(pcienum_t *pci_enum) {
// mask all irqs and clear irq status
ahci->ports[i].ie = 0;
ahci->ports[i].is = ahci->ports[i].is;
ahci->ports[i].is = 0xffffffff;
// enable FIS receive
ahci->ports[i].cmd |= CMD_FRE;
@@ -615,11 +619,11 @@ static void init_controller(pcienum_t *pci_enum) {
pmm_release(fis_base_mem);
// clear global interrupt status
ahci->ghc->is = ahci->ghc->is;
ahci->ghc->is = 0xffffffff;
// configure interrupts for each port
FOR_EACH_PORT(ahci) {
ahci->ports[i].ie = IE_D2H | IE_IFE | IE_HBDE | IE_HBFE | IE_TFE;
ahci->ports[i].ie = IE_D2H | IE_IFE | IE_HBDE | IE_HBFE | IE_TFE | IE_PSS;
}
// set up MSI