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kolibri-ahci: added atapi disks registration, small refactoring & fixes. TODOFIX: identifying sector count of atapi disks gives always the same value. why?

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git-svn-id: svn://kolibrios.org@9417 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Rustem Gimadutdinov (rgimad) 2021-12-12 19:54:50 +00:00
parent 88f0d7c48f
commit c4ee26ef93
3 changed files with 105 additions and 24 deletions
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121
kernel/branches/kolibri-ahci/blkdev/ahci.inc
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@ -345,10 +345,12 @@ ahci_callbacks:
dd 0 ; no flush function
dd 0 ; use default cache size
.end:
hd_name db 'sd', 0, 0, 0
sata_dev_name db 'sd', 0, 0, 0
satapi_dev_name db 'scd', 0, 0, 0
sata_dev_counter dd 0 ; sata devices counter
; TODO: satapi_dev_counter dd 0 ; satapi devices (optical drives) counter
satapi_dev_counter dd 0 ; satapi devices (optical drives) counter
ctr_counter dd 0 ; controllers counter
disk_to_add_name dd 0 ; local var for ahci_init
endg
; -----------------------------------------------------------------------
@ -361,7 +363,7 @@ ahci_init:
.find_ahci_ctr:
mov esi, [esi + PCIDEV.fd]
cmp esi, pcidev_list
jz .ahci_ctr_not_found
jz .end_find_ahci_ctr
mov eax, [esi + PCIDEV.class]
;DEBUGF 1, "K: device class = %x\n", eax
shr eax, 8 ; shift right because lowest 8 bits if ProgIf field
@ -369,8 +371,11 @@ ahci_init:
jz .ahci_ctr_found
jmp .find_ahci_ctr
.ahci_ctr_not_found:
DEBUGF 1, "K: AHCI controller not found\n"
.end_find_ahci_ctr:
cmp [ctr_counter], 0
ja @f
DEBUGF 1, "K: AHCI: controllers not found\n"
@@:
ret
.ahci_ctr_found:
@ -592,12 +597,14 @@ ahci_init:
stdcall ahci_port_identify, ecx
; register drive as disk in system if it is SATA or SATAPI:
cmp [ecx + PORT_DATA.drive_type], AHCI_DEV_SATA
jne .after_add_disk ; skip adding disk code
; register disk in system:
;stdcall ahci_read_first_sector, ecx
je .disk_add_sata
cmp [ecx + PORT_DATA.drive_type], AHCI_DEV_SATAPI
je .disk_add_satapi
jne .after_add_disk ; else skip adding disk code
.disk_add_sata:
push ecx
mov eax, [sata_dev_counter]
inc [sata_dev_counter]
@ -605,22 +612,46 @@ ahci_init:
mov ecx, 10
div ecx ; eax = sata_dev_counter / 10, edx = sata_dev_counter % 10
test eax, eax
jz .concat_one
jz .concat_one_digit
add al, '0'
mov byte [hd_name + 2], al
mov byte [sata_dev_name + 2], al
add dl, '0'
mov byte [hd_name + 3], dl
mov byte [sata_dev_name + 3], dl
jmp .endif1
.concat_one:
.concat_one_digit:
add dl, '0'
mov byte [hd_name + 2], dl
mov byte [sata_dev_name + 2], dl
.endif1:
mov [disk_to_add_name], sata_dev_name
pop ecx
jmp .disk_add
.disk_add_satapi:
push ecx
mov eax, [satapi_dev_counter]
inc [satapi_dev_counter]
xor edx, edx
mov ecx, 10
div ecx ; eax = satapi_dev_counter / 10, edx = satapi_dev_counter % 10
test eax, eax
jz .concat_one_digit2
add al, '0'
mov byte [satapi_dev_name + 3], al
add dl, '0'
mov byte [satapi_dev_name + 4], dl
jmp .endif2
.concat_one_digit2:
add dl, '0'
mov byte [satapi_dev_name + 3], dl
.endif2:
mov [disk_to_add_name], satapi_dev_name
pop ecx
DEBUGF 1, "adding '%s'\n", hd_name
.disk_add:
DEBUGF 1, "adding '%s'\n", [disk_to_add_name]
push ecx
stdcall disk_add, ahci_callbacks, hd_name, ecx, 0
stdcall disk_add, ahci_callbacks, [disk_to_add_name], ecx, 0
pop ecx
test eax, eax
jz .disk_add_fail
@ -638,8 +669,6 @@ ahci_init:
inc ebx
jmp .detect_drives
.end_detect_drives:
pop esi
add [ctr_ptr], sizeof.AHCI_CTR
@ -717,6 +746,7 @@ proc ahci_port_identify stdcall, pdata: dword
bts ebx, bit_AHCI_H2D_FLAG_CMD ; Set Command bit in H2D FIS.
mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.flags], bl
; Choose identify command depending on drive type
mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.command], ATA_IDENTIFY
cmp [esi + PORT_DATA.drive_type], AHCI_DEV_SATAPI
jne @f
@ -740,7 +770,6 @@ proc ahci_port_identify stdcall, pdata: dword
; TODO check eax error value
; DEBUGF 1, "sata_error register = 0x%x\n", [edi + HBA_PORT.sata_error]
mov esi, [buf_virt]
add esi, 27*2
mov edi, modelstr
@ -752,6 +781,11 @@ proc ahci_port_identify stdcall, pdata: dword
stdcall swap_bytes_in_words, modelstr, (46-27)+1
DEBUGF 1, "IDENTIFICATION RESULT: MODEL = %s\n", modelstr
mov esi, [pdata]
cmp [esi + PORT_DATA.drive_type], AHCI_DEV_SATAPI
je .satapi_get_capacity
.sata_get_capacity:
mov esi, [buf_virt]
mov eax, [esi + 200]
mov edx, [esi + 200 + 4]
@ -765,6 +799,49 @@ proc ahci_port_identify stdcall, pdata: dword
DEBUGF 1, "disk capacity = %u MiB ", eax
shrd eax, edx, 10 ; / 1024
DEBUGF 1, "= %u GiB\n", eax
jmp .end_get_capacity
.satapi_get_capacity:
mov eax, [cmdtable]
mov ebx, [buf_phys]
mov dword [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.dba], ebx
mov dword [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.dbau], 0
and [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.flags], not 0x3FFFFF ; zero out lower 22 bits, they used for byte count
or [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.flags], 2048 - 1 ; reason why -1 see in spec on this field
; or [eax + HBA_CMD_TBL.prdt_entry + HBA_PRDT_ENTRY.flags], 1 shl 31 ; enable interrupt on completion
mov byte [eax + HBA_CMD_TBL.cfis + FIS_REG_H2D.command], 0xA0 ; TODO: move to ATA_PACKET const
mov byte [eax + HBA_CMD_TBL.acmd], 0x25 ; means: cmd_table->acmd[0] = ATAPI_READ_CAPACITY >> 8; TODO use consts.
mov edi, [esi + PORT_DATA.port] ; edi - address of HBA_PORT struct of port
; Wait on previous command to complete, before issuing new command.
stdcall ahci_port_wait, edi, AHCI_PORT_TIMEOUT
; DEBUGF 1, "eax = %x\n", eax
; TODO check eax error value
mov eax, [cmdslot]
bts [edi + HBA_PORT.command_issue], eax ; Issue the command
; Wait for command completion
stdcall ahci_port_cmd_wait, edi, eax;, AHCI_PORT_CMD_TIMEOUT
; DEBUGF 1, ". sata_error register = 0x%x\n", [edi + HBA_PORT.sata_error]
mov esi, [buf_virt]
mov eax, [esi]
mov edx, [esi + 4]
DEBUGF 1, "ATAPI sector count = 0x%x:%x\n", edx, eax
mov ebx, [pdata]
mov dword [ebx + PORT_DATA.sector_count], eax
mov dword [ebx + PORT_DATA.sector_count + 4], edx
shrd eax, edx, 9 ; i.e *2048 / 1024 / 1024, 2048 - sector size
DEBUGF 1, "ATAPI disk capacity = %u MiB ", eax
shrd eax, edx, 10 ; / 1024
DEBUGF 1, "= %u GiB\n", eax
; aboba
.end_get_capacity:
.ret:
popad
ret
@ -775,7 +852,11 @@ proc ahci_querymedia stdcall, pdata, mediainfo
mov eax, [mediainfo]
mov edx, [pdata]
mov [eax + DISKMEDIAINFO.Flags], 0
mov [eax + DISKMEDIAINFO.SectorSize], 512
mov [eax + DISKMEDIAINFO.SectorSize], 512 ; TODO: use const
cmp [edx + PORT_DATA.drive_type], AHCI_DEV_SATAPI
jne @f
mov [eax + DISKMEDIAINFO.SectorSize], 2048 ; TODO: use const
@@:
mov ecx, dword[edx + PORT_DATA.sector_count]
mov dword [eax + DISKMEDIAINFO.Capacity], ecx
mov ecx, dword[edx + PORT_DATA.sector_count + 4]

2
kernel/branches/kolibri-ahci/run_img.sh
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@ -1 +1 @@
qemu-system-i386 -m 256 -fda kolibri_test2.img -boot a -vga vmware -net nic,model=rtl8139 -net user -soundhw ac97 -usb -usbdevice tablet -enable-kvm -drive file=fat:rw:.
qemu-system-i386 -m 256 -fda kolibri_test2.img -boot a -vga vmware -net nic,model=rtl8139 -net user -soundhw ac97 -usb -usbdevice tablet -enable-kvm -drive file=fat:rw:./two_hard -cdrom SynapseOS.iso

2
kernel/branches/kolibri-ahci/run_img_ahci.sh
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@ -1 +1 @@
qemu-system-i386 -m 256 -M q35 -fda kolibri_test2.img -boot a -vga vmware -net nic,model=rtl8139 -net user -soundhw ac97 -usb -usbdevice tablet -enable-kvm -drive file=fat:rw:. -drive file=fat:rw:two_hard
qemu-system-i386 -m 256 -M q35 -fda kolibri_test2.img -boot a -vga vmware -net nic,model=rtl8139 -net user -soundhw ac97 -usb -usbdevice tablet -enable-kvm -drive file=fat:rw:./two_hard -cdrom SynapseOS.iso