ahci: fix spacing damage on ahci_port_write
Churn. Signed-off-by: John Snow <jsnow@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-id: 20180531222835.16558-5-jsnow@redhat.com [Fix patchew/checkpatch nit. --js] Signed-off-by: John Snow <jsnow@redhat.com>
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hw/ide/ahci.c
142
hw/ide/ahci.c
@ -279,85 +279,85 @@ static int ahci_cond_start_engines(AHCIDevice *ad)
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return 0;
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}
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static void ahci_port_write(AHCIState *s, int port, int offset, uint32_t val)
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static void ahci_port_write(AHCIState *s, int port, int offset, uint32_t val)
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{
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AHCIPortRegs *pr = &s->dev[port].port_regs;
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trace_ahci_port_write(s, port, offset, val);
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switch (offset) {
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case PORT_LST_ADDR:
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pr->lst_addr = val;
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break;
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case PORT_LST_ADDR_HI:
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pr->lst_addr_hi = val;
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break;
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case PORT_FIS_ADDR:
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pr->fis_addr = val;
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break;
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case PORT_FIS_ADDR_HI:
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pr->fis_addr_hi = val;
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break;
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case PORT_IRQ_STAT:
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pr->irq_stat &= ~val;
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ahci_check_irq(s);
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break;
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case PORT_IRQ_MASK:
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pr->irq_mask = val & 0xfdc000ff;
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ahci_check_irq(s);
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break;
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case PORT_CMD:
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/* Block any Read-only fields from being set;
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* including LIST_ON and FIS_ON.
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* The spec requires to set ICC bits to zero after the ICC change
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* is done. We don't support ICC state changes, therefore always
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* force the ICC bits to zero.
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*/
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pr->cmd = (pr->cmd & PORT_CMD_RO_MASK) |
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(val & ~(PORT_CMD_RO_MASK|PORT_CMD_ICC_MASK));
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case PORT_LST_ADDR:
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pr->lst_addr = val;
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break;
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case PORT_LST_ADDR_HI:
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pr->lst_addr_hi = val;
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break;
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case PORT_FIS_ADDR:
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pr->fis_addr = val;
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break;
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case PORT_FIS_ADDR_HI:
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pr->fis_addr_hi = val;
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break;
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case PORT_IRQ_STAT:
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pr->irq_stat &= ~val;
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ahci_check_irq(s);
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break;
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case PORT_IRQ_MASK:
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pr->irq_mask = val & 0xfdc000ff;
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ahci_check_irq(s);
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break;
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case PORT_CMD:
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/* Block any Read-only fields from being set;
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* including LIST_ON and FIS_ON.
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* The spec requires to set ICC bits to zero after the ICC change
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* is done. We don't support ICC state changes, therefore always
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* force the ICC bits to zero.
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*/
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pr->cmd = (pr->cmd & PORT_CMD_RO_MASK) |
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(val & ~(PORT_CMD_RO_MASK | PORT_CMD_ICC_MASK));
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/* Check FIS RX and CLB engines */
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ahci_cond_start_engines(&s->dev[port]);
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/* Check FIS RX and CLB engines */
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ahci_cond_start_engines(&s->dev[port]);
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/* XXX usually the FIS would be pending on the bus here and
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issuing deferred until the OS enables FIS receival.
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Instead, we only submit it once - which works in most
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cases, but is a hack. */
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if ((pr->cmd & PORT_CMD_FIS_ON) &&
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!s->dev[port].init_d2h_sent) {
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ahci_init_d2h(&s->dev[port]);
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}
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/* XXX usually the FIS would be pending on the bus here and
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issuing deferred until the OS enables FIS receival.
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Instead, we only submit it once - which works in most
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cases, but is a hack. */
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if ((pr->cmd & PORT_CMD_FIS_ON) &&
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!s->dev[port].init_d2h_sent) {
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ahci_init_d2h(&s->dev[port]);
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}
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check_cmd(s, port);
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break;
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case PORT_TFDATA:
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/* Read Only. */
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break;
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case PORT_SIG:
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/* Read Only */
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break;
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case PORT_SCR_STAT:
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/* Read Only */
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break;
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case PORT_SCR_CTL:
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if (((pr->scr_ctl & AHCI_SCR_SCTL_DET) == 1) &&
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((val & AHCI_SCR_SCTL_DET) == 0)) {
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ahci_reset_port(s, port);
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}
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pr->scr_ctl = val;
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break;
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case PORT_SCR_ERR:
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pr->scr_err &= ~val;
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break;
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case PORT_SCR_ACT:
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/* RW1 */
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pr->scr_act |= val;
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break;
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case PORT_CMD_ISSUE:
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pr->cmd_issue |= val;
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check_cmd(s, port);
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break;
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default:
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break;
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check_cmd(s, port);
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break;
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case PORT_TFDATA:
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/* Read Only. */
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break;
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case PORT_SIG:
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/* Read Only */
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break;
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case PORT_SCR_STAT:
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/* Read Only */
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break;
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case PORT_SCR_CTL:
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if (((pr->scr_ctl & AHCI_SCR_SCTL_DET) == 1) &&
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((val & AHCI_SCR_SCTL_DET) == 0)) {
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ahci_reset_port(s, port);
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}
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pr->scr_ctl = val;
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break;
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case PORT_SCR_ERR:
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pr->scr_err &= ~val;
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break;
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case PORT_SCR_ACT:
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/* RW1 */
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pr->scr_act |= val;
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break;
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case PORT_CMD_ISSUE:
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pr->cmd_issue |= val;
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check_cmd(s, port);
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break;
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default:
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break;
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}
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}
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